/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --bg-base: #0C0F1A;
  --bg-card: #151A2E;
  --bg-elevated: #1D2340;
  --primary: #7C5CFF;
  --primary-hover: #9680FF;
  --secondary: #00D4C6;
  --accent: #FFB02E;
  --support: #FF5C7A;
  --text-1: #F0F2F8;
  --text-2: #A8B0C6;
  --text-3: #6E7690;
  --line: #2A314D;
  --grad-main: linear-gradient(135deg, #7C5CFF 0%, #00D4C6 100%);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.22);
  --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.34);
  --glow-primary: 0 0 24px rgba(124, 92, 255, 0.35);
  --radius-card: 16px;
  --radius-pill: 999px;
  --radius-tag: 6px;
  --transition-base: 0.25s ease;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  background: var(--bg-base);
  color: var(--text-1);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  font-feature-settings: "tnum";
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: 110px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 1px;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin: 14px auto 0;
  background: var(--grad-main);
  border-radius: 4px;
}
.section-head p {
  color: var(--text-2);
  font-size: 15px;
  margin-top: 16px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  padding: 15px 34px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-base);
  min-height: 48px;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.3);
}
.btn--primary:hover {
  filter: brightness(1.08);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}
.btn--primary:active {
  transform: scale(0.97);
}
.btn--secondary {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--line);
}
.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-1);
  border-color: var(--text-3);
}
.btn--secondary:active {
  transform: scale(0.97);
}
.btn--small {
  padding: 10px 22px;
  font-size: 14px;
  min-height: 40px;
}
.btn:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 3px;
}

/* ========== 悬浮胶囊导航 ========== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 32px));
  z-index: 1000;
  background: rgba(18, 22, 40, 0.62);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0 16px;
  height: 60px;
  display: flex;
  align-items: center;
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-nav__logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-main);
  border-radius: 10px;
  font-size: 19px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 0 14px rgba(124, 92, 255, 0.4);
}
.site-nav__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}
.site-nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.site-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  color: var(--text-2);
  font-weight: 500;
  transition: all var(--transition-base);
  min-height: 38px;
}
.site-nav__link:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.04);
}
.site-nav__link.is-active {
  color: var(--primary-hover);
  background: rgba(124, 92, 255, 0.25);
  font-weight: 600;
}
.site-nav__cta {
  margin-left: auto;
  flex-shrink: 0;
}
.site-nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 50%;
  color: var(--text-1);
  font-size: 18px;
  transition: background var(--transition-base);
}
.site-nav__toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}
.site-nav--mobile {
  display: none;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 180px 0 120px;
  min-height: 680px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(rgba(12, 15, 26, 0.82), rgba(12, 15, 26, 0.92)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.22) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: 10%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0, 212, 198, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid rgba(124, 92, 255, 0.3);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  color: var(--primary-hover);
  font-weight: 500;
  margin-bottom: 24px;
}
.hero__tag i {
  font-size: 12px;
}
.hero__title {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: #fff;
}
.hero__title span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero__trust {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--text-3);
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero__trust-item i {
  color: var(--secondary);
  font-size: 14px;
}
.hero__visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(124, 92, 255, 0.25);
  border: 1px solid rgba(124, 92, 255, 0.25);
}
.hero__visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(12, 15, 26, 0.55) 100%);
  border-radius: 20px;
}
.hero__visual-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 3;
  background: rgba(12, 15, 26, 0.75);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero__visual-badge .num {
  font-size: 26px;
  font-weight: 900;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__visual-badge .label {
  font-size: 13px;
  color: var(--text-2);
}

/* ========== 权益对比 ========== */
.compare {
  background: var(--bg-base);
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}
.compare-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 36px 34px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.compare-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.compare-card--vip {
  border-color: rgba(0, 212, 198, 0.4);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.08) 0%, var(--bg-card) 50%);
}
.compare-card__badge {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--accent);
  color: #1a1a2e;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(255, 176, 46, 0.3);
}
.compare-card__header {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.compare-card__name {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.compare-card__desc {
  font-size: 14px;
  color: var(--text-3);
}
.compare-card__price {
  font-size: 34px;
  font-weight: 900;
  margin-top: 12px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.compare-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.compare-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--text-2);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(42, 49, 77, 0.5);
}
.compare-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.compare-item__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.compare-item__icon--yes {
  background: rgba(0, 212, 198, 0.15);
  color: var(--secondary);
}
.compare-item__icon--no {
  background: rgba(110, 118, 144, 0.12);
  color: var(--text-3);
}
.compare-card__cta {
  margin-top: 32px;
  text-align: center;
}

/* ========== 等级路径 ========== */
.levels {
  background: linear-gradient(180deg, var(--bg-base) 0%, #0a0d16 100%);
  position: relative;
  overflow: hidden;
}
.levels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
  pointer-events: none;
}
.level-path {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 0;
}
.level-path::before {
  content: "";
  position: absolute;
  top: 52px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  opacity: 0.25;
}
.level-node {
  position: relative;
  z-index: 2;
  flex: 1;
  text-align: center;
}
.level-node__circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  background: var(--bg-card);
  border: 2px solid var(--line);
  color: var(--text-3);
  position: relative;
  transition: all var(--transition-base);
}
.level-node--active .level-node__circle {
  background: var(--grad-main);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow-primary);
}
.level-node--vip .level-node__circle {
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(255, 176, 46, 0.25);
}
.level-node__lock {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-3);
}
.level-node__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
}
.level-node__perks {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}
.level-node__perks span {
  display: block;
}

/* ========== 专属内容预览 ========== */
.preview {
  background: var(--bg-base);
}
.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 920px;
  margin: 0 auto;
}
.preview-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.preview-card__cover {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.preview-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.preview-card--locked .preview-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(12, 15, 26, 0.72);
  backdrop-filter: blur(4px);
}
.preview-card__lock {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(12, 15, 26, 0.85);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
}
.preview-card__tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 3;
  background: var(--accent);
  color: #1a1a2e;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.preview-card__body {
  padding: 28px;
}
.preview-card__title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-1);
}
.preview-card__summary {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
}
.preview-card__btn {
  width: 100%;
}

/* ========== FAQ ========== */
.faq {
  background: linear-gradient(180deg, var(--bg-base) 0%, #0a0d16 100%);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.faq-item.is-active {
  border-color: rgba(124, 92, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(124, 92, 255, 0.2);
}
.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.4;
}
.faq-item__question .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(124, 92, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--primary-hover);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.faq-item.is-active .faq-icon {
  transform: rotate(45deg);
  background: var(--grad-main);
  color: #fff;
}
.faq-item__answer {
  display: none;
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
  padding-left: 2px;
  border-top: 1px solid rgba(42, 49, 77, 0.5);
  padding-top: 16px;
}
.faq-bottom {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: var(--text-3);
}
.faq-bottom a {
  color: var(--secondary);
  font-weight: 600;
}
.faq-bottom a:hover {
  text-decoration: underline;
}

/* ========== CTA 区 ========== */
.cta-section {
  padding: 0;
}
.cta-panel {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
  text-align: center;
  background-image: linear-gradient(rgba(12, 15, 26, 0.82), rgba(12, 15, 26, 0.88)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--line);
}
.cta-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
}
.cta-panel__title {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 16px;
  color: #fff;
}
.cta-panel__subtitle {
  font-size: 16px;
  color: var(--text-2);
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-panel .btn {
  font-size: 17px;
  padding: 17px 44px;
}

/* ========== 最新资讯 ========== */
.news {
  background: var(--bg-base);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.news-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.news-card__media {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-card:hover .news-card__media img {
  transform: scale(1.03);
}
.news-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.news-card__tag {
  display: inline-flex;
  align-items: center;
  background: rgba(124, 92, 255, 0.15);
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}
.news-card__date {
  font-size: 12px;
  color: var(--text-3);
}
.news-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__summary {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-3);
  padding-top: 14px;
  border-top: 1px solid rgba(42, 49, 77, 0.5);
}
.news-card__meta i {
  font-size: 11px;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px dashed var(--line);
}
.news-empty i {
  font-size: 48px;
  color: var(--text-3);
  display: block;
  margin-bottom: 16px;
}
.news-empty p {
  color: var(--text-3);
  font-size: 15px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #090B14;
  border-top: 1px solid var(--line);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand__logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-main);
  border-radius: 10px;
  font-size: 17px;
  font-weight: 900;
  color: #fff;
}
.footer-brand__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.footer-brand__desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 320px;
}
.footer-brand__social {
  display: flex;
  gap: 12px;
}
.footer-social {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 15px;
  transition: all var(--transition-base);
}
.footer-social:hover {
  background: var(--grad-main);
  color: #fff;
  border-color: transparent;
}
.footer-col__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 20px;
}
.footer-col__list li {
  margin-bottom: 10px;
}
.footer-col__list a {
  font-size: 14px;
  color: var(--text-2);
  transition: color var(--transition-base);
}
.footer-col__list a:hover {
  color: var(--primary-hover);
}
.footer-col__list .info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 12px;
}
.footer-col__list .info-item i {
  color: var(--text-3);
  font-size: 13px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(42, 49, 77, 0.5);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-3);
}
.footer-bottom a {
  color: var(--text-3);
  transition: color var(--transition-base);
}
.footer-bottom a:hover {
  color: var(--text-2);
}

/* ========== 移动端导航 ========== */
@media (max-width: 1024px) {
  .site-nav__menu {
    display: none;
  }
  .site-nav__cta {
    display: none;
  }
  .site-nav__toggle {
    display: flex;
  }
  .site-nav--mobile {
    display: block;
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    z-index: 999;
    background: rgba(18, 22, 40, 0.96);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all 0.3s ease;
  }
  .site-nav--mobile.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .site-nav--mobile .site-nav__link {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 8px;
    margin-bottom: 4px;
  }
  .site-nav--mobile .site-nav__cta {
    margin: 12px 0 0;
  }
  .site-nav--mobile .site-nav__cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }
  .hero {
    padding: 150px 0 80px;
  }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero__visual img {
    height: 320px;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .level-path {
    gap: 12px;
  }
  .level-node__circle {
    width: 64px;
    height: 64px;
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 60px 0;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-nav {
    height: 52px;
    top: 12px;
    width: calc(100% - 24px);
  }
  .site-nav__logo-text {
    font-size: 17px;
  }
  .site-nav__logo-icon {
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
  .hero {
    padding: 120px 0 64px;
    min-height: auto;
  }
  .hero__title {
    font-size: 30px;
  }
  .hero__subtitle {
    font-size: 15px;
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__cta .btn {
    width: 100%;
  }
  .hero__trust {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .hero__visual img {
    height: 220px;
  }
  .compare-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .compare-card {
    padding: 28px 22px;
  }
  .level-path {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .level-path::before {
    display: none;
  }
  .level-node {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 14px 0;
    border-bottom: 1px solid rgba(42, 49, 77, 0.4);
  }
  .level-node:last-child {
    border-bottom: none;
  }
  .level-node__circle {
    width: 52px;
    height: 52px;
    font-size: 16px;
    margin: 0;
    flex-shrink: 0;
  }
  .level-node__info {
    flex: 1;
  }
  .level-node__name {
    font-size: 16px;
    margin-bottom: 2px;
  }
  .level-node__perks span {
    display: inline;
    font-size: 12px;
  }
  .level-node__perks span + span::before {
    content: " · ";
  }
  .preview-grid {
    grid-template-columns: 1fr;
  }
  .preview-card__cover {
    height: 200px;
  }
  .cta-panel {
    padding: 64px 24px;
    border-radius: 16px;
    margin: 0 8px;
  }
  .cta-panel__title {
    font-size: 26px;
  }
  .cta-panel .btn {
    width: 100%;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .faq-item {
    padding: 18px;
  }
  .faq-item__question {
    font-size: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .hero__title {
    font-size: 26px;
  }
  .hero__visual-badge .num {
    font-size: 20px;
  }
  .hero__visual-badge .label {
    font-size: 12px;
  }
  .compare-card__price {
    font-size: 28px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .btn {
    padding: 14px 24px;
    font-size: 15px;
  }
  .footer-brand__desc {
    font-size: 13px;
  }
}

/* roulang page: category1 */
:root {
            --bg-base: #0C0F1A;
            --bg-card: #151A2E;
            --bg-elevated: #1D2340;
            --primary: #7C5CFF;
            --primary-hover: #9680FF;
            --secondary: #00D4C6;
            --accent: #FFB02E;
            --support: #FF5C7A;
            --text-1: #F0F2F8;
            --text-2: #A8B0C6;
            --text-3: #6E7690;
            --line: #2A314D;
            --grad-main: linear-gradient(135deg, #7C5CFF 0%, #00D4C6 100%);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.22);
            --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.34);
            --glow-primary: 0 0 24px rgba(124, 92, 255, 0.35);
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-tag: 6px;
            --space-section: 110px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-1);
            background: var(--bg-base);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            padding: 0;
            margin: 0;
            background: none;
            border: none;
            appearance: none;
            box-shadow: none;
            cursor: pointer;
        }
        
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 700;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--grad-main);
            color: #fff;
        }
        .btn--primary:hover {
            box-shadow: var(--glow-primary);
            filter: brightness(1.08);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn--primary:active {
            transform: scale(0.97);
        }
        .btn--ghost {
            background: transparent;
            border-color: var(--line);
            color: var(--text-2);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-1);
            border-color: var(--text-3);
        }
        .btn--small {
            min-height: 40px;
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn--large {
            min-height: 52px;
            padding: 16px 44px;
            font-size: 17px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 48px);
            max-width: 1200px;
            z-index: 1000;
            background: rgba(18, 22, 40, 0.62);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--line);
            border-radius: 999px;
            height: 60px;
        }
        .site-nav__inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            gap: 16px;
        }
        .site-nav__logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .site-nav__logo-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--grad-main);
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            font-style: italic;
        }
        .site-nav__logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }
        .site-nav__menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-nav__link {
            display: inline-flex;
            align-items: center;
            min-height: 36px;
            padding: 0 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-2);
            transition: all .2s ease;
        }
        .site-nav__link:hover {
            color: var(--text-1);
            background: rgba(255, 255, 255, 0.05);
        }
        .site-nav__link.is-active {
            background: rgba(124, 92, 255, 0.25);
            color: var(--primary-hover);
        }
        .site-nav__cta {
            min-height: 36px;
            padding: 0 20px;
            font-size: 14px;
            flex-shrink: 0;
        }
        .site-nav__toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--line);
            background: transparent;
            color: var(--text-1);
            border-radius: 50%;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .2s ease;
        }
        .site-nav__toggle:hover {
            border-color: var(--primary);
            color: var(--primary-hover);
        }

        /* ===== 分类页 Hero ===== */
        .page-hero {
            position: relative;
            padding: 190px 0 110px;
            background:
                linear-gradient(135deg, rgba(12, 15, 26, 0.92) 0%, rgba(12, 15, 26, 0.68) 50%, rgba(12, 15, 26, 0.92) 100%),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.28) 0%, transparent 70%);
            top: 80px;
            right: -100px;
            pointer-events: none;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 198, 0.16) 0%, transparent 70%);
            bottom: -40px;
            left: 30%;
            pointer-events: none;
        }
        .page-hero__content {
            max-width: 740px;
            position: relative;
            z-index: 2;
        }
        .page-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(124, 92, 255, 0.18);
            border: 1px solid rgba(124, 92, 255, 0.4);
            color: var(--primary-hover);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .page-hero__badge i {
            font-size: 12px;
        }
        .page-hero__title {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 900;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .page-hero__title span {
            background: var(--grad-main);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .page-hero__subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-2);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .page-hero__actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 数据指标条 ===== */
        .stats-strip {
            padding: 48px 0;
            border-bottom: 1px solid var(--line);
            background: var(--bg-base);
        }
        .stats-grid {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .stat-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            position: relative;
            padding: 8px 0;
        }
        .stat-item + .stat-item::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 40px;
            background: var(--line);
        }
        .stat-item__num {
            display: block;
            font-size: 36px;
            font-weight: 900;
            background: var(--grad-main);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-feature-settings: "tnum";
            line-height: 1.2;
        }
        .stat-item__label {
            display: block;
            font-size: 14px;
            color: var(--text-3);
            margin-top: 4px;
        }

        /* ===== 图文介绍区块 ===== */
        .split-section {
            padding: var(--space-section) 0;
        }
        .split-row {
            display: flex;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }
        .split-row:last-child {
            margin-bottom: 0;
        }
        .split-row--reverse {
            flex-direction: row-reverse;
        }
        .split-media {
            flex: 1;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            position: relative;
            min-height: 300px;
        }
        .split-media img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .split-row:hover .split-media img {
            transform: scale(1.03);
        }
        .split-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(12, 15, 26, 0.55) 100%);
        }
        .split-content {
            flex: 1;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(0, 212, 198, 0.12);
            border: 1px solid rgba(0, 212, 198, 0.35);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .split-content h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }
        .split-content p {
            color: var(--text-2);
            font-size: 16px;
            line-height: 1.9;
        }

        /* ===== 攻略价值卡 ===== */
        .value-section {
            padding: var(--space-section) 0;
            background: var(--bg-card);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--grad-main);
            margin: 16px auto 0;
        }
        .section-head p {
            color: var(--text-2);
            font-size: 16px;
            margin-top: 14px;
        }
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .value-card {
            background: var(--bg-base);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all .25s ease;
        }
        .value-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
            border-color: rgba(124, 92, 255, 0.5);
        }
        .value-card__icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(124, 92, 255, 0.15);
            color: var(--primary-hover);
            margin-bottom: 16px;
        }
        .value-card:nth-child(2) .value-card__icon {
            background: rgba(0, 212, 198, 0.12);
            color: var(--secondary);
        }
        .value-card:nth-child(3) .value-card__icon {
            background: rgba(255, 176, 46, 0.12);
            color: var(--accent);
        }
        .value-card:nth-child(4) .value-card__icon {
            background: rgba(255, 92, 122, 0.12);
            color: var(--support);
        }
        .value-card__title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .value-card__desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-2);
        }

        /* ===== 攻略使用流程 ===== */
        .steps-section {
            padding: var(--space-section) 0;
        }
        .steps-track {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            position: relative;
            margin-top: 24px;
        }
        .steps-track::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, var(--line), var(--primary), var(--line));
            z-index: 0;
        }
        .step-node {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 8px;
        }
        .step-node__badge {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            background: var(--bg-card);
            border: 2px solid var(--primary);
            color: var(--primary-hover);
            box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.07);
            font-feature-settings: "tnum";
        }
        .step-node__title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-node__desc {
            font-size: 13px;
            color: var(--text-3);
            line-height: 1.6;
        }

        /* ===== 精选攻略列表 ===== */
        .featured-list {
            padding: var(--space-section) 0;
            background: var(--bg-card);
            border-top: 1px solid var(--line);
        }
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 48px;
        }
        .content-card {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-base);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: all .25s ease;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
            border-color: rgba(0, 212, 198, 0.4);
        }
        .content-card__thumb {
            width: 240px;
            height: 140px;
            flex-shrink: 0;
            border-radius: 12px;
            object-fit: cover;
            overflow: hidden;
            background: var(--bg-elevated);
        }
        .content-card__body {
            flex: 1;
            min-width: 0;
        }
        .content-card__tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(124, 92, 255, 0.14);
            color: var(--primary-hover);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .content-card__title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .content-card__desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .content-card__meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-3);
        }
        .content-card__meta i {
            margin-right: 4px;
        }
        .content-card__arrow {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-2);
            transition: all .25s ease;
            font-size: 14px;
        }
        .content-card:hover .content-card__arrow {
            background: var(--grad-main);
            border-color: transparent;
            color: #fff;
            box-shadow: var(--glow-primary);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 48px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 0;
            transition: border-color .25s ease, background .25s ease;
        }
        .faq-item.is-open {
            border-color: rgba(124, 92, 255, 0.5);
            background: var(--bg-elevated);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-1);
            cursor: pointer;
            border-radius: 12px;
            transition: color .2s ease;
        }
        .faq-item__question:hover {
            color: var(--primary-hover);
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-2);
            transition: transform .3s ease, background .3s ease, border-color .3s ease, color .3s ease;
        }
        .faq-item.is-open .faq-item__icon {
            transform: rotate(45deg);
            background: rgba(124, 92, 255, 0.2);
            border-color: var(--primary);
            color: var(--primary-hover);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 24px;
        }
        .faq-item.is-open .faq-item__answer {
            max-height: 500px;
            padding-bottom: 20px;
        }
        .faq-item__answer p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.8;
            border-top: 1px solid var(--line);
            padding-top: 16px;
        }
        .faq-section__foot {
            text-align: center;
            margin-top: 32px;
            font-size: 14px;
            color: var(--text-3);
        }
        .faq-section__foot a {
            color: var(--secondary);
            font-weight: 600;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 0 0 var(--space-section);
        }
        .cta-box {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background:
                linear-gradient(120deg, rgba(124, 92, 255, 0.2) 0%, rgba(12, 15, 26, 0.88) 60%),
                url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
            border: 1px solid rgba(124, 92, 255, 0.35);
            padding: 64px;
            text-align: center;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 198, 0.2) 0%, transparent 70%);
            top: -60px;
            left: -60px;
            pointer-events: none;
        }
        .cta-box__title {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-box__desc {
            font-size: 16px;
            color: var(--text-2);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }
        .btn--cta {
            position: relative;
            z-index: 2;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #090B14;
            border-top: 1px solid var(--line);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand__logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--grad-main);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 900;
            font-style: italic;
        }
        .footer-brand__logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }
        .footer-brand__desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer-brand__social {
            display: flex;
            gap: 12px;
        }
        .footer-social {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-2);
            transition: all .2s ease;
            font-size: 16px;
        }
        .footer-social:hover {
            background: rgba(124, 92, 255, 0.2);
            border-color: var(--primary);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .footer-col__title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col__list li {
            margin-bottom: 10px;
        }
        .footer-col__list a {
            font-size: 14px;
            color: var(--text-2);
            transition: color .2s ease;
        }
        .footer-col__list a:hover {
            color: var(--secondary);
        }
        .info-item {
            font-size: 14px;
            color: var(--text-2);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .info-item i {
            color: var(--text-3);
            margin-top: 6px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: var(--text-3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 90px;
            }
            .page-hero {
                padding: 170px 0 90px;
            }
            .page-hero__title {
                font-size: 38px;
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-row {
                gap: 40px;
            }
            .footer-grid {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                width: calc(100% - 32px);
                height: 52px;
                top: 12px;
            }
            .site-nav__menu,
            .site-nav__cta {
                display: none;
            }
            .site-nav__toggle {
                display: flex;
            }
            .site-nav.nav-open .site-nav__menu {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(18, 22, 40, 0.95);
                backdrop-filter: blur(20px);
                border: 1px solid var(--line);
                border-radius: 20px;
                padding: 16px;
                gap: 8px;
                box-shadow: var(--shadow-float);
            }
            .site-nav.nav-open .site-nav__menu .site-nav__link {
                justify-content: center;
                padding: 12px;
                min-height: 44px;
                width: 100%;
            }
            .site-nav.nav-open .site-nav__cta {
                display: none;
            }

            .page-hero {
                padding: 140px 0 70px;
            }
            .page-hero__title {
                font-size: 30px;
            }
            .page-hero__subtitle {
                font-size: 16px;
            }

            .split-row,
            .split-row--reverse {
                flex-direction: column;
                gap: 24px;
                margin-bottom: 48px;
            }
            .split-media,
            .split-media img {
                min-height: 220px;
            }
            .split-content h2 {
                font-size: 26px;
            }

            .content-card {
                flex-direction: column;
                align-items: stretch;
            }
            .content-card__thumb {
                width: 100%;
                height: 180px;
            }
            .content-card__title {
                white-space: normal;
            }
            .content-card__arrow {
                display: none;
            }

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

        @media (max-width: 640px) {
            :root {
                --space-section: 64px;
            }
            .stats-grid {
                flex-direction: column;
                gap: 8px;
            }
            .stat-item {
                display: flex;
                align-items: baseline;
                justify-content: center;
                gap: 8px;
                padding: 8px 0;
            }
            .stat-item + .stat-item::before {
                display: none;
            }
            .stat-item__num {
                font-size: 28px;
            }

            .value-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 26px;
            }

            .steps-track {
                flex-direction: column;
                gap: 20px;
                margin-top: 40px;
            }
            .steps-track::before {
                display: none;
            }
            .step-node {
                display: flex;
                text-align: left;
                gap: 16px;
                align-items: center;
                padding: 0;
            }
            .step-node__badge {
                margin: 0;
                flex-shrink: 0;
                width: 48px;
                height: 48px;
                font-size: 17px;
            }
            .step-node__body {
                flex: 1;
            }

            .faq-item__question {
                font-size: 16px;
                padding: 18px 18px;
            }
            .faq-item__answer {
                padding: 0 18px;
            }
            .faq-item.is-open .faq-item__answer {
                padding-bottom: 18px;
            }

            .cta-box {
                padding: 44px 24px;
            }
            .cta-box__title {
                font-size: 24px;
            }
            .cta-box__desc {
                font-size: 15px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .page-hero__actions {
                flex-direction: column;
                align-items: stretch;
            }
            .page-hero__actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero__title {
                font-size: 26px;
            }
            .page-hero__subtitle {
                font-size: 15px;
            }
            .btn--large {
                padding: 14px 32px;
                font-size: 15px;
            }
            .content-card__thumb {
                height: 160px;
            }
        }

/* roulang page: article */
:root {
  --bg-base: #0C0F1A;
  --bg-card: #151A2E;
  --bg-elevated: #1D2340;
  --primary: #7C5CFF;
  --primary-hover: #9680FF;
  --secondary: #00D4C6;
  --accent: #FFB02E;
  --support: #FF5C7A;
  --text-1: #F0F2F8;
  --text-2: #A8B0C6;
  --text-3: #6E7690;
  --line: #2A314D;
  --grad-main: linear-gradient(135deg, #7C5CFF 0%, #00D4C6 100%);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.22);
  --shadow-float: 0 12px 40px rgba(0, 0, 0, 0.34);
  --glow-primary: 0 0 24px rgba(124, 92, 255, 0.35);
  --radius-lg: 16px;
  --radius-sm: 12px;
  --radius-xs: 6px;
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  border-radius: 999px;
  padding: 14px 32px;
  transition: all 0.25s ease;
  text-align: center;
  min-height: 44px;
  line-height: 1.2;
  white-space: nowrap;
}

.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 16px rgba(124, 92, 255, 0.3);
}

.btn--primary:hover {
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
  filter: brightness(1.08);
  color: #fff;
}

.btn--primary:active {
  transform: scale(0.97);
  box-shadow: none;
}

.btn--secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-2);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-1);
  border-color: var(--text-3);
}

.btn--secondary:active {
  transform: scale(0.97);
}

.btn--small {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
}

.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  width: calc(100% - 32px);
  max-width: 1200px;
  background: rgba(18, 22, 40, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-card);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  gap: 12px;
}

.site-nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  transition: background 0.3s;
}

.site-nav__logo:hover {
  background: rgba(255, 255, 255, 0.04);
}

.site-nav__logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--grad-main);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-feature-settings: "tnum";
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(124, 92, 255, 0.4);
}

.site-nav__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

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

.site-nav__link {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.25s ease;
}

.site-nav__link:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.06);
}

.site-nav__link.is-active {
  background: rgba(124, 92, 255, 0.25);
  color: var(--primary-hover);
  font-weight: 600;
}

.site-nav__cta {
  flex-shrink: 0;
}

.site-nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text-1);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s;
  align-items: center;
  justify-content: center;
}

.site-nav__toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary);
}

.article-hero {
  padding: 160px 0 48px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 30%;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 15, 26, 0.88) 0%, rgba(12, 15, 26, 0.72) 55%, var(--bg-base) 100%);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--text-3);
  transition: color 0.25s;
}

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

.breadcrumb__sep {
  color: var(--text-3);
  opacity: 0.6;
}

.breadcrumb__current {
  color: var(--text-1);
  max-width: 480px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-1);
  margin-bottom: 16px;
  max-width: 880px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: var(--text-3);
}

.article-meta__tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid rgba(124, 92, 255, 0.35);
  border-radius: 999px;
  color: var(--primary-hover);
  font-size: 12px;
  font-weight: 600;
}

.article-meta__dot {
  color: var(--text-3);
  opacity: 0.5;
}

.article-meta__time,
.article-meta__views {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.container--article {
  padding-top: 8px;
  padding-bottom: 64px;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 0 0;
}

.article-body p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-2);
  margin-bottom: 16px;
}

.article-body h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-1);
  margin: 40px 0 16px;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
  margin: 32px 0 14px;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-1);
  margin: 24px 0 12px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px 24px;
}

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

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

.article-body li {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-2);
  margin-bottom: 8px;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  background: var(--bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text-2);
  font-style: normal;
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body img {
  border-radius: 12px;
  margin: 24px auto;
}

.article-body a {
  color: var(--secondary);
  border-bottom: 1px solid transparent;
}

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

.article-body code {
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--secondary);
}

.article-body pre {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.article-body pre code {
  background: none;
  padding: 0;
  color: var(--text-1);
}

.article-empty {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  margin: 24px auto;
}

.article-empty i {
  font-size: 48px;
  color: var(--text-3);
  margin-bottom: 20px;
  display: block;
}

.article-empty h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--text-2);
  margin-bottom: 24px;
}

.cta-banner {
  max-width: 920px;
  margin: 64px auto;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(12, 15, 26, 0.78);
}

.cta-banner__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 48px;
  flex-wrap: wrap;
}

.cta-banner__title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-1);
  margin-bottom: 10px;
  line-height: 1.4;
}

.cta-banner__desc {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 420px;
}

.cta-banner__btn {
  flex-shrink: 0;
  background: var(--grad-main);
  color: #fff;
  border: none;
  font-weight: 700;
}

.cta-banner__btn:hover {
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
  color: #fff;
}

.faq-section {
  max-width: 920px;
  margin: 0 auto 64px;
}

.faq-section__title {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-1);
  text-align: center;
  margin-bottom: 32px;
  position: relative;
  padding-bottom: 16px;
}

.faq-section__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--grad-main);
}

.accordion {
  list-style: none;
  margin: 0;
  background: transparent;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.accordion-item.is-active {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 0 20px rgba(124, 92, 255, 0.10);
}

.accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--text-1) !important;
  background: transparent !important;
  border: none !important;
  line-height: 1.5 !important;
  cursor: pointer;
  transition: color 0.25s, background 0.25s;
  position: relative;
}

.accordion-title:hover {
  color: var(--primary-hover) !important;
  background: rgba(255, 255, 255, 0.03) !important;
}

.accordion-title::after {
  content: '+' !important;
  font-size: 22px;
  font-weight: 400;
  color: var(--primary) !important;
  font-family: var(--font-main) !important;
  background: transparent !important;
  border: none !important;
  position: static !important;
  transform: none !important;
  margin-left: 16px;
  line-height: 1;
  transition: transform 0.3s, color 0.3s !important;
}

.accordion-item.is-active .accordion-title::after {
  content: '−' !important;
  color: var(--secondary) !important;
}

.accordion-content {
  padding: 0 24px 20px !important;
  background: transparent !important;
  border: none !important;
  color: var(--text-2) !important;
  font-size: 15px !important;
  line-height: 1.8 !important;
}

.accordion-content p {
  margin-bottom: 0;
  color: var(--text-2);
}

.related-section {
  max-width: 1200px;
  margin: 0 auto 48px;
}

.related-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.related-section__title {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-1);
  position: relative;
  padding-bottom: 12px;
}

.related-section__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: var(--grad-main);
}

.related-section__more {
  font-size: 14px;
  color: var(--text-3);
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: all 0.25s;
}

.related-section__more:hover {
  color: var(--secondary);
  border-color: var(--secondary);
}

.related-grid {
  margin: 0;
}

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

.related-card {
  display: flex;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 12px;
  height: 100%;
  transition: all 0.25s ease;
  align-items: center;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
  border-color: rgba(124, 92, 255, 0.4);
}

.related-card__cover {
  width: 120px;
  height: 80px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-elevated);
}

.related-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.related-card__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s;
  word-break: break-all;
}

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

.related-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-3);
}

.related-card__badge {
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(0, 212, 198, 0.12);
  border: 1px solid rgba(0, 212, 198, 0.3);
  color: var(--secondary);
  font-size: 11px;
  font-weight: 600;
}

.article-actions {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 0 48px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}

.site-footer {
  background: #090B14;
  border-top: 1px solid var(--line);
  padding: 64px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand__logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--grad-main);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand__logo-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.footer-brand__desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 380px;
}

.footer-brand__social {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.25s;
}

.footer-social:hover {
  border-color: var(--primary);
  color: var(--primary-hover);
  transform: translateY(-2px);
  background: rgba(124, 92, 255, 0.08);
}

.footer-col__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--grad-main);
}

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

.footer-col__list a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.25s, padding-left 0.25s;
}

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

.info-item {
  font-size: 14px;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-3);
}

.footer-bottom a {
  color: var(--text-3);
}

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

@media (max-width: 1024px) {
  .article-title {
    font-size: 28px;
  }

  .related-grid .cell {
    flex: 1 1 50%;
    max-width: 50%;
  }

  .cta-banner__inner {
    padding: 36px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .related-grid .cell {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .cta-banner__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }

  .cta-banner__btn {
    width: 100%;
  }

  .article-hero {
    padding: 140px 0 36px;
  }

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

  .breadcrumb__current {
    max-width: 240px;
  }
}

@media (max-width: 640px) {
  .site-nav {
    top: 12px;
    width: calc(100% - 24px);
    border-radius: 999px;
  }

  .site-nav__inner {
    padding: 6px 12px;
    gap: 8px;
  }

  .site-nav__logo-icon {
    width: 30px;
    height: 30px;
    font-size: 16px;
  }

  .site-nav__logo-text {
    font-size: 18px;
  }

  .site-nav__menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(18, 22, 40, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: var(--shadow-float);
  }

  .site-nav__menu.is-open {
    display: flex;
  }

  .site-nav__link {
    display: block;
    padding: 14px 20px;
    text-align: center;
    font-size: 16px;
  }

  .site-nav__cta {
    display: none;
  }

  .site-nav__toggle {
    display: inline-flex;
  }

  .article-hero {
    padding: 120px 0 32px;
  }

  .article-title {
    font-size: 24px;
    line-height: 1.4;
  }

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

  .container {
    padding: 0 16px;
  }

  .article-body {
    padding-top: 24px;
  }

  .article-body p,
  .article-body li {
    font-size: 15px;
  }

  .article-body h2 {
    font-size: 24px;
  }

  .article-body h3 {
    font-size: 20px;
  }

  .cta-banner {
    margin: 40px auto;
  }

  .cta-banner__title {
    font-size: 20px;
  }

  .faq-section__title,
  .related-section__title {
    font-size: 24px;
  }

  .accordion-title {
    font-size: 16px !important;
    padding: 16px 18px !important;
  }

  .accordion-content {
    padding: 0 18px 16px !important;
    font-size: 14px !important;
  }

  .related-card {
    padding: 10px;
  }

  .related-card__cover {
    width: 100px;
    height: 74px;
  }

  .related-card__title {
    font-size: 14px;
  }

  .article-actions {
    gap: 12px;
  }

  .article-actions .btn {
    flex: 1;
    min-width: 130px;
  }

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

  .site-footer {
    padding: 48px 0 20px;
  }

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

@media (max-width: 390px) {
  .site-nav__logo-text {
    font-size: 16px;
  }

  .site-nav__logo-icon {
    width: 28px;
    height: 28px;
    font-size: 15px;
  }

  .related-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-card__cover {
    width: 100%;
    height: 140px;
  }

  .related-card__body {
    width: 100%;
  }

  .article-title {
    font-size: 21px;
  }

  .article-meta {
    font-size: 12px;
  }
}