/* roulang page: index */
:root {
    --color-bg: #080D0A;
    --color-bg-2: #0F1512;
    --color-surface: #141C17;
    --color-surface-2: #1A241E;
    --color-primary: #C8FC60;
    --color-primary-light: #D8FF7A;
    --color-primary-dark: #A8E64A;
    --color-on-primary: #132011;
    --color-text: #EDF3EA;
    --color-text-2: #9CAFA2;
    --color-text-3: #6A7B70;
    --color-warning: #FFB84F;
    --color-info: #58D6C0;
    --color-border: #233029;
    --color-border-2: #314235;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 22px;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.24);
    --font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
    --header-h: 70px;
  }

  *,
  *:before,
  *:after {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
    -webkit-text-size-adjust: 100%;
  }
  body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
  }
  button {
    font-family: inherit;
    cursor: pointer;
  }
  h1,h2,h3,h4,p,figure,ul,ol,blockquote {
    margin: 0;
  }
  ul, ol {
    padding: 0;
    list-style: none;
  }
  input, select, textarea {
    font-family: inherit;
    font-size: 14px;
  }
  :focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
  }
  .container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 32px;
  }
  .section-pad {
    padding-block: 104px;
  }
  .section-sub {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    color: var(--color-primary);
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }
  .section-sub:before {
    content: "";
    width: 30px;
    height: 1px;
    background: var(--color-primary);
  }
  .section-title {
    font-size: clamp(28px, 3.6vw, 48px);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 14px;
    margin-bottom: 16px;
  }
  .section-lead {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-2);
    max-width: 720px;
  }
  @media (max-width: 767.98px) {
    .container {
      padding-inline: 20px;
    }
    .section-pad {
      padding-block: 60px;
    }
  }

  /* 通用按钮 */
  .btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 26px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
  }
  .btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(200, 252, 96, .18);
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-ghost {
    border-color: var(--color-border-2);
    color: var(--color-text);
    background: transparent;
  }
  .btn-ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
  }
  .btn-lg {
    min-height: 56px;
    padding-inline: 36px;
    font-size: 16px;
  }

  /* 顶部导航 */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(8, 13, 10, .88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(35, 48, 41, .9);
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  }
  .site-header.scrolled {
    background: rgba(8, 13, 10, .96);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
  }
  .nav-wrap {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--color-primary);
    color: var(--color-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
  }
  .brand-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .01em;
    color: var(--color-text);
    white-space: nowrap;
  }
  .brand-text small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--color-text-3);
    letter-spacing: .06em;
  }
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }
  .nav-link {
    position: relative;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-2);
    border-radius: 8px;
  }
  .nav-link:before {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 5px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
  }
  .nav-link:hover {
    color: var(--color-text);
  }
  .nav-link:hover:before,
  .nav-link.active:before {
    transform: scaleX(1);
  }
  .nav-link.active {
    color: var(--color-primary);
  }
  .nav-cta {
    margin-left: 14px;
    min-height: 40px;
    padding: 0 20px;
    font-size: 14px;
  }

  /* 移动导航 */
  .mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    background: transparent;
    border-radius: 12px;
    color: var(--color-text);
    align-items: center;
    justify-content: center;
  }
  .mobile-nav-toggle svg {
    width: 20px;
    height: 20px;
  }
  .mobile-drawer {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    z-index: 998;
    display: none;
    padding: 12px 20px 20px;
    background: #0B100D;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 20px 40px rgba(0,0,0,.4);
  }
  .mobile-drawer .m-nav-link {
    display: block;
    padding: 13px 8px;
    border-radius: 8px;
    color: var(--color-text-2);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid rgba(35,48,41,.5);
  }
  .mobile-drawer .m-nav-link:hover,
  .mobile-drawer .m-nav-link.active {
    color: var(--color-primary);
    background: rgba(200, 252, 96, .04);
  }
  .mobile-drawer .m-nav-cta {
    margin-top: 12px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #navToggle:checked ~ * .mobile-drawer,
  #navToggle:checked ~ .mobile-drawer {
    display: block;
  }

  /* 底部移动 Tab */
  .mobile-tabbar {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 990;
    height: calc(64px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: var(--color-bg-2);
    border-top: 1px solid var(--color-border);
    align-items: stretch;
    justify-content: space-around;
  }
  .mob-tab {
    flex: 1;
    min-height: 44px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: transparent;
    border: 0;
    color: var(--color-text-3);
    font-size: 11px;
    border-radius: 0;
    padding: 6px 0 4px;
  }
  .mob-tab svg {
    width: 21px;
    height: 21px;
  }
  .mob-tab.active {
    color: var(--color-primary);
  }
  .mob-category-panel {
    display: none;
    position: fixed;
    bottom: calc(64px + env(safe-area-inset-bottom));
    left: 16px;
    right: 16px;
    z-index: 991;
    background: #0C110E;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 -10px 40px rgba(0,0,0,.5);
  }
  .mob-category-panel.show {
    display: block;
  }
  .mob-category-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 14px;
    color: var(--color-text);
  }
  .mob-category-link:hover {
    background: var(--color-surface-2);
    color: var(--color-primary);
  }

  @media (max-width: 1023px) {
    .desktop-nav {
      display: none;
    }
    .mobile-nav-toggle {
      display: inline-flex;
    }
  }
  @media (max-width: 767.98px) {
    .mobile-tabbar {
      display: flex;
    }
    .brand-text {
      font-size: 16px;
    }
    body {
      padding-bottom: 72px;
    }
    .btn-lg {
      width: 100%;
      justify-content: center;
    }
  }

  /* Hero */
  .hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + 50px) 0 60px;
    overflow: hidden;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(1200px 500px at 15% 20%, rgba(200, 252, 96, .12), transparent 60%),
      linear-gradient(100deg, rgba(8,13,10,.94) 18%, rgba(8,13,10,.74) 48%, rgba(8,13,10,.42) 100%);
    pointer-events: none;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, .75fr);
    gap: 56px;
    align-items: center;
  }
  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(200,252,96,.1);
    border: 1px solid rgba(200,252,96,.15);
    border-radius: 999px;
    padding: 7px 16px;
    margin-bottom: 26px;
  }
  .hero-title {
    font-size: clamp(44px, 6.4vw, 84px);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin-bottom: 22px;
  }
  .hero-title .accent {
    color: var(--color-primary);
  }
  .hero-sub {
    font-size: 17px;
    line-height: 1.85;
    color: var(--color-text-2);
    max-width: 620px;
    margin-bottom: 34px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 42px;
  }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 30px;
    border-top: 1px solid rgba(35,48,41,.8);
    padding-top: 24px;
    max-width: 620px;
  }
  .hero-meta li {
    position: relative;
    padding-left: 14px;
    font-size: 13px;
    color: var(--color-text-3);
  }
  .hero-meta li:before {
    position: absolute;
    left: 0;
    top: 10px;
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-primary);
  }
  .hero-stage {
    position: relative;
    background: rgba(20,28,23,.72);
    border: 1px solid var(--color-border);
    border-radius: 26px;
    padding: 12px 12px 18px;
    box-shadow: 0 28px 80px rgba(0,0,0,.42);
    overflow: hidden;
  }
  .hero-stage-bar {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 10px 12px;
  }
  .hero-stage-bar i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #3c4d43;
    display: block;
  }
  .hero-stage-bar i:nth-child(1) {
    background: #FFB84F;
  }
  .hero-stage-bar i:nth-child(2) {
    background: #C8FC60;
  }
  .hero-stage img {
    border-radius: 18px;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
  .hero-stage-caption {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 10px 2px;
    color: var(--color-text-2);
    font-size: 13px;
  }
  @media (max-width: 1023px) {
    .hero {
      padding-top: calc(var(--header-h) + 40px);
    }
    .hero-inner {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 640px) {
    .hero-title {
      font-size: clamp(34px, 12vw, 44px);
    }
    .hero-sub {
      font-size: 15px;
    }
  }

  /* 通用 section */
  .split-grid {
    display: grid;
    align-items: center;
    gap: 64px;
  }
  .split-copy {
    min-width: 0;
  }
  @media (min-width: 1024px) {
    .split-grid.cols-2-1 {
      grid-template-columns: minmax(0, 1fr) minmax(340px, .8fr);
    }
    .split-grid.cols-1-2 {
      grid-template-columns: minmax(340px, .8fr) minmax(0, 1fr);
    }
  }
  @media (max-width: 1023px) {
    .split-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }

  /* 卡片 */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 46px;
  }
  @media (max-width: 1023px) {
    .feature-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
  @media (max-width: 640px) {
    .feature-grid {
      grid-template-columns: 1fr;
    }
  }
  .feature-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 26px;
    overflow: hidden;
    transition: transform .25s ease, border-color .25s ease, background .3s ease, box-shadow .3s ease;
  }
  .feature-card:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity .25s ease;
  }
  .feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-2);
    box-shadow: var(--shadow-card);
  }
  .feature-card:hover:before {
    opacity: 1;
  }
  .feature-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(200,252,96,.13);
    color: var(--color-primary);
    margin-bottom: 18px;
  }
  .feature-card-icon svg {
    width: 23px;
    height: 23px;
  }
  .feature-card h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
  }
  .feature-card p {
    color: var(--color-text-2);
    font-size: 15px;
    line-height: 1.7;
  }
  .feature-card .card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
  }
  .feature-card .card-meta span {
    font-size: 12px;
    color: var(--color-text-3);
    background: rgba(60, 90, 75, .16);
    border-radius: 999px;
    padding: 4px 10px;
  }
  .view-more-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 18px;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
  }
  .view-more-link svg {
    width: 15px;
    transition: transform .2s ease;
  }
  .view-more-link:hover svg {
    transform: translateX(4px);
  }

  /* 图文演示 */
  .media-frame {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid var(--color-border-2);
    background: var(--color-surface);
  }
  .media-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .media-panel {
    border-radius: 24px;
    padding: 32px;
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
  }
  .media-panel h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
  }
  .media-panel .check-list li {
    display: flex;
    gap: 10px;
    font-size: 15px;
    color: var(--color-text-2);
    padding: 8px 0;
    border-bottom: 1px solid rgba(35,48,41,.5);
  }
  .media-panel .check-list li:last-child {
    border-bottom: 0;
  }
  .media-panel .check-list svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
  }

  /* 资讯列表 */
  .news-wrap {
    margin-top: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr);
    gap: 36px;
  }
  @media (max-width: 1023px) {
    .news-wrap {
      grid-template-columns: 1fr;
    }
  }
  .news-list {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 10px 14px;
  }
  .news-row {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 18px 14px;
    border-bottom: 1px solid rgba(35,48,41,.64);
    transition: background .2s ease, transform .2s ease;
  }
  .news-row:last-child {
    border-bottom: 0;
  }
  .news-row:hover {
    background: rgba(200,252,96,.04);
    transform: translateX(4px);
  }
  .news-cat {
    display: inline-flex;
    justify-content: center;
    font-size: 12px;
    color: var(--color-primary-dark);
    background: rgba(200,252,96,.1);
    width: fit-content;
    border-radius: 999px;
    padding: 4px 12px;
    font-weight: 600;
  }
  .news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.5;
  }
  .news-row:hover .news-title {
    color: var(--color-primary);
  }
  .news-desc {
    grid-column: 2;
    font-size: 14px;
    color: var(--color-text-3);
    line-height: 1.6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .news-time {
    font-size: 13px;
    color: var(--color-text-3);
    white-space: nowrap;
  }
  .news-empty {
    padding: 56px 20px;
    text-align: center;
    color: var(--color-text-3);
    font-size: 15px;
    border-radius: 18px;
  }
  .news-empty:before {
    content: "📬";
    display: block;
    font-size: 36px;
    margin-bottom: 14px;
  }
  @media (max-width: 767.98px) {
    .news-row {
      grid-template-columns: 1fr;
      gap: 7px;
      align-items: start;
      padding: 16px 8px;
    }
    .news-desc {
      grid-column: 1;
      white-space: normal;
    }
    .news-time {
      color: var(--color-text-3);
    }
  }
  .aside-notes {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
  }
  .aside-notes h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .aside-notes .note-item {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(35,48,41,.5);
  }
  .aside-notes .note-item span {
    color: var(--color-text-3);
    font-size: 14px;
  }
  .aside-notes .note-item strong {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
  }

  /* 数据证据 */
  .proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  @media (max-width: 1023px) {
    .proof-grid {
      grid-template-columns: 1fr;
    }
  }
  .proof-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: border-color .25s ease, transform .25s ease;
  }
  .proof-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
  }
  .proof-num {
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.04em;
    line-height: 1.1;
  }
  .proof-label {
    display: block;
    margin-top: 14px;
    color: var(--color-text);
    font-weight: 600;
    font-size: 17px;
  }
  .proof-desc {
    color: var(--color-text-3);
    font-size: 14px;
    margin-top: 8px;
    line-height: 1.7;
  }

  /* 出口卡片 */
  .link-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 44px;
  }
  @media (max-width: 1023px) {
    .link-card-grid {
      grid-template-columns: 1fr;
    }
  }
  .link-card {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .25s ease, border-color .3s ease, box-shadow .3s ease;
  }
  .link-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-border-2);
    box-shadow: 0 18px 45px rgba(0,0,0,.3);
  }
  .link-card img {
    height: 200px;
    object-fit: cover;
  }
  .link-card .card-body {
    padding: 22px;
  }
  .link-card h3 {
    font-size: 19px;
    margin-bottom: 8px;
    font-weight: 600;
  }
  .link-card p {
    color: var(--color-text-2);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 18px;
  }

  /* 价格/版本卡 */
  .plan-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
    margin-top: 46px;
  }
  @media (max-width: 1023px) and (min-width: 641px) {
    .plan-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .plan-card:last-child {
      grid-column: 1 / -1;
      max-width: 520px;
      margin-inline: auto;
    }
  }
  @media (max-width: 640px) {
    .plan-grid {
      grid-template-columns: 1fr;
    }
  }
  .plan-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease, border-color .25s ease;
  }
  .plan-card.recommend {
    border-color: rgba(200,252,96,.25);
  }
  .plan-card.recommend:hover {
    border-color: var(--color-primary);
  }
  .plan-badge {
    position: absolute;
    top: -12px;
    right: 22px;
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-radius: 999px;
    padding: 4px 15px;
    font-size: 12px;
    font-weight: 600;
  }
  .plan-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin: 14px 0 10px;
  }
  .plan-desc {
    font-size: 14px;
    color: var(--color-text-3);
    line-height: 1.7;
    flex: none;
  }
  .plan-list {
    margin-top: 20px;
    flex: 1;
  }
  .plan-list li {
    position: relative;
    padding: 7px 0 7px 28px;
    font-size: 14px;
    color: var(--color-text-2);
  }
  .plan-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 13px;
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--color-primary);
    border-radius: 50%;
  }
  .plan-list li:after {
    content: "";
    position: absolute;
    left: 3px;
    top: 16px;
    width: 8px;
    height: 4px;
    border-left: 1.5px solid var(--color-primary);
    border-bottom: 1.5px solid var(--color-primary);
    transform: rotate(-45deg);
  }
  .plan-card .btn {
    margin-top: 24px;
    width: 100%;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 860px;
    margin: 48px auto 0;
  }
  .faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    margin-bottom: 12px;
    transition: border-color .2s ease, background .2s ease;
  }
  .faq-item:hover {
    border-color: var(--color-border-2);
  }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    min-height: 60px;
    gap: 16px;
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text);
    border-radius: 16px;
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-item summary:after {
    content: "+";
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--color-border-2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 400;
    color: var(--color-text-2);
    transition: transform .25s ease, color .25s ease, border-color .25s ease;
    flex-shrink: 0;
  }
  .faq-item[open] summary:after {
    transform: rotate(45deg);
    color: var(--color-primary);
    border-color: var(--color-primary);
  }
  .faq-item .faq-body {
    padding: 0 24px 18px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-2);
    border-top: 1px solid rgba(35,48,41,.5);
    margin-top: 0;
  }
  .faq-item .faq-body p {
    padding-top: 14px;
  }

  /* 终版 CTA */
  .final-cta {
    background: #0A0F0C;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
  }
  .cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 36px;
    padding-block: 72px;
  }
  .cta-copy h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -.02em;
  }
  .cta-copy p {
    color: var(--color-text-2);
    max-width: 600px;
  }
  .cta-side {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  @media (max-width: 1023px) {
    .cta-inner {
      flex-direction: column;
      align-items: flex-start;
      padding-block: 48px;
    }
    .cta-side {
      justify-content: flex-start;
    }
  }

  /* 页脚 */
  .site-footer {
    background: #060907;
    border-top: 1px solid var(--color-border);
    padding-top: 68px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
  }
  @media (max-width: 1023px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
  }
  @media (max-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }
  }
  .footer-brand .brand {
    margin-bottom: 14px;
  }
  .footer-brand p {
    color: var(--color-text-3);
    font-size: 14px;
    line-height: 1.8;
    max-width: 320px;
  }
  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
  }
  .footer-col a {
    display: block;
    color: var(--color-text-3);
    font-size: 14px;
    padding: 7px 0;
  }
  .footer-col a:hover {
    color: var(--color-primary);
  }
  .footer-bottom {
    border-top: 1px solid rgba(35,48,41,.7);
    padding: 22px 0;
    margin-top: 48px;
  }
  .footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--color-text-3);
  }
  .footer-bottom-inner a {
    color: var(--color-text-3);
  }
  .footer-bottom-inner a:hover {
    color: var(--color-primary);
  }

  /* 浮动CTA */
  .float-cta {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity .3s ease, transform .3s ease;
  }
  .float-cta.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .float-cta.hide {
    opacity: 0;
    pointer-events: none;
  }
  .float-cta-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: rgba(20, 28, 23, .92);
    border: 1px solid var(--color-border-2);
    border-radius: 999px;
    box-shadow: 0 18px 44px rgba(0,0,0,.4);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
  .float-cta-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    padding: 0 7px;
    white-space: nowrap;
  }
  .float-cta .btn {
    min-height: 42px;
    padding: 0 18px;
    font-size: 14px;
  }
  @media (max-width: 767.98px) {
    .float-cta {
      right: 16px;
      bottom: 84px;
    }
    .float-cta-text {
      display: none;
    }
    .float-cta-inner {
      padding: 6px;
    }
  }

  /* 图片淡入 */
  img {
    opacity: .2;
    transition: opacity .3s ease;
  }
  img.img-ready {
    opacity: 1;
  }

  /* prefers-reduced-motion */
  @media (prefers-reduced-motion: reduce) {
    *,
    *:before,
    *:after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
  }

/* roulang page: category1 */
:root {
    --color-primary: #C8FC60;
    --color-primary-hover: #D8FF7A;
    --color-primary-active: #A8E64A;
    --color-bg: #080D0A;
    --color-bg-2: #0F1512;
    --color-surface: #141C17;
    --color-surface-2: #1A241E;
    --color-border: #233029;
    --color-border-hover: #314235;
    --color-text: #EDF3EA;
    --color-text-secondary: #9CAFA2;
    --color-text-weak: #6A7B70;
    --color-on-primary: #132011;
    --radius-lg: 24px;
    --radius-md: 20px;
    --radius-sm: 12px;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
  }
  
  body {
    background-color: var(--color-bg);
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
    color: var(--color-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  
  .container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
    padding-right: 32px;
  }
  
  @media (max-width: 768px) {
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }
  }
  
  /* ====== Header ====== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    background: rgba(8, 13, 10, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(35, 48, 41, 0.7);
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  
  .site-header.scrolled {
    background: rgba(8, 13, 10, 0.98);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  }
  
  .nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }
  
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
  }
  
  .brand-mark {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 20px;
    font-weight: 900;
    line-height: 1;
    box-shadow: 0 0 0 1px rgba(200, 252, 96, 0.15);
    flex-shrink: 0;
  }
  
  .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  
  .brand-text strong {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }
  
  .brand-text small {
    font-size: 10px;
    color: var(--color-text-weak);
    letter-spacing: 0.05em;
    display: block;
    margin-top: 2px;
    white-space: nowrap;
  }
  
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .desktop-nav .nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
    white-space: nowrap;
  }
  
  .desktop-nav .nav-link:hover {
    color: var(--color-text);
    background: rgba(26, 36, 30, 0.6);
  }
  
  .desktop-nav .nav-link.active {
    color: var(--color-primary);
    background: rgba(200, 252, 96, 0.08);
  }
  
  .desktop-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 999px;
    padding: 10px 22px;
    font-size: 14px;
    line-height: 1.4;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    outline: none;
  }
  
  .btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
  }
  
  .btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-weight: 700;
  }
  
  .btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(200, 252, 96, 0.15);
  }
  
  .btn-primary:active {
    background: var(--color-primary-active);
    transform: translateY(1px);
  }
  
  .btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border-hover);
  }
  
  .btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }
  
  .btn-lg {
    padding: 14px 32px;
    font-size: 15px;
  }
  
  .nav-cta {
    margin-left: 12px;
    padding: 8px 18px;
    font-size: 13px;
  }
  
  .mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text);
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
  }
  
  .mobile-nav-toggle svg {
    width: 22px;
    height: 22px;
  }
  
  /* ====== Hero ====== */
  .cat-hero {
    padding: 160px 0 96px;
    background-color: var(--color-bg);
    background-image: linear-gradient(180deg, rgba(8,13,10,0.6) 0%, rgba(8,13,10,0.98) 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid rgba(35, 48, 41, 0.5);
    position: relative;
    overflow: hidden;
  }
  
  .cat-hero .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
  }
  
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--color-primary);
    background: rgba(200, 252, 96, 0.08);
    border: 1px solid rgba(200, 252, 96, 0.15);
    border-radius: 999px;
    padding: 6px 16px;
    margin-bottom: 22px;
    text-transform: uppercase;
  }
  
  .hero-title {
    font-size: clamp(38px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--color-text);
  }
  
  .hero-title .accent {
    color: var(--color-primary);
  }
  
  .hero-subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    max-width: 540px;
    margin-bottom: 30px;
    line-height: 1.8;
  }
  
  .hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 36px;
  }
  
  .hero-meta {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    padding-top: 22px;
    border-top: 1px solid rgba(35, 48, 41, 0.6);
  }
  
  .hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-weak);
  }
  
  .hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(35, 48, 41, 0.8);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
  }
  
  .hero-visual img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
  }
  
  .hero-visual-tag {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(8, 13, 10, 0.8);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(35, 48, 41, 0.8);
  }
  
  /* ====== Section ====== */
  .section {
    padding: 96px 0;
    scroll-margin-top: 80px;
  }
  
  .section-subtle {
    background: var(--color-bg-2);
  }
  
  .section-surface {
    background: var(--color-surface);
  }
  
  .section-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 48px;
  }
  
  .section-title-wrap {
    max-width: 780px;
  }
  
  .section-tag {
    display: inline-flex;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  .section-title {
    font-size: clamp(28px, 3.2vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--color-text);
  }
  
  .section-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    max-width: 720px;
    line-height: 1.8;
  }
  
  .section-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border: 1px solid rgba(200, 252, 96, 0.25);
    border-radius: 999px;
    transition: all 0.2s ease;
    white-space: nowrap;
  }
  
  .section-link:hover {
    background: rgba(200, 252, 96, 0.08);
    border-color: rgba(200, 252, 96, 0.6);
  }
  
  /* ====== Cards ====== */
  .game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  
  .game-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    text-decoration: none;
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    display: flex;
    flex-direction: column;
  }
  
  .game-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    background: var(--color-surface-2);
  }
  
  .game-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(200, 252, 96, 0.1);
    border: 1px solid rgba(200, 252, 96, 0.2);
    margin-bottom: 18px;
  }
  
  .game-card-icon.alt-1 {
    background: rgba(255, 184, 79, 0.1);
    border-color: rgba(255, 184, 79, 0.2);
  }
  
  .game-card-icon.alt-2 {
    background: rgba(88, 214, 192, 0.1);
    border-color: rgba(88, 214, 192, 0.2);
  }
  
  .game-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
    line-height: 1.4;
  }
  
  .game-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
  }
  
  .game-card-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 14px;
    border-top: 1px solid rgba(35, 48, 41, 0.5);
    font-size: 13px;
    color: var(--color-text-weak);
  }
  
  .game-card-info span + span {
    position: relative;
    padding-left: 12px;
  }
  
  .game-card-info span + span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-text-weak);
  }
  
  /* ====== Feature List ====== */
  .feature-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
  }
  
  .feature-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
  }
  
  .feature-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 380px;
    display: block;
  }
  
  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  
  .feature-item {
    display: flex;
    gap: 18px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(35, 48, 41, 0.5);
  }
  
  .feature-item:first-child {
    padding-top: 0;
  }
  
  .feature-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  
  .feature-num {
    font-size: 32px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px var(--color-primary);
    line-height: 1;
    min-width: 52px;
    flex-shrink: 0;
  }
  
  .feature-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
  }
  
  .feature-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
  }
  
  /* ====== Steps ====== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  
  .step-card {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    position: relative;
    transition: border-color 0.2s ease, transform 0.2s ease;
  }
  
  .step-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
  }
  
  .step-number {
    font-size: 44px;
    font-weight: 900;
    color: rgba(200, 252, 96, 0.2);
    line-height: 1;
    margin-bottom: 16px;
    display: block;
  }
  
  .step-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
  }
  
  .step-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
  }
  
  /* ====== List entries ====== */
  .info-row-list {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  
  .info-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 24px;
    border-bottom: 1px solid rgba(35, 48, 41, 0.5);
    text-decoration: none;
    transition: background 0.2s ease;
  }
  
  .info-row:last-child {
    border-bottom: none;
  }
  
  .info-row:hover {
    background: rgba(20, 28, 23, 0.9);
  }
  
  .info-row-badge {
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(200, 252, 96, 0.1);
    color: var(--color-primary);
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .info-row-title {
    flex: 1;
    font-size: 15px;
    color: var(--color-text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .info-row-date {
    font-size: 13px;
    color: var(--color-text-weak);
    white-space: nowrap;
  }
  
  /* ====== Stats ====== */
  .stats-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
    gap: 24px;
  }
  
  .stat-card-featured {
    background: linear-gradient(135deg, rgba(200, 252, 96, 0.06) 0%, rgba(20, 28, 23, 1) 100%);
    border: 1px solid rgba(200, 252, 96, 0.15);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    height: 100%;
  }
  
  .stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
  }
  
  .stat-number {
    font-size: 52px;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
  }
  
  .stat-number.white {
    color: var(--color-text);
  }
  
  .stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    text-align: center;
  }
  
  .stat-detial {
    font-size: 13px;
    color: var(--color-text-weak);
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid rgba(35, 48, 41, 0.5);
    line-height: 1.7;
  }
  
  /* ====== CTA Banner ====== */
  .cta-banner {
    background-color: #0a0f0c;
    border: 1px solid rgba(35, 48, 41, 0.8);
    border-radius: var(--radius-lg);
    padding: 64px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    position: relative;
    overflow: hidden;
  }
  
  .cta-banner::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 252, 96, 0.06) 0%, transparent 70%);
    pointer-events: none;
  }
  
  .cta-banner h2 {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-text);
    letter-spacing: -0.02em;
  }
  
  .cta-banner p {
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin-bottom: 0;
  }
  
  .cta-banner .btn {
    flex-shrink: 0;
    z-index: 2;
    gap: 10px;
    font-size: 16px;
  }
  
  .cta-banner .btn svg {
    width: 20px;
    height: 20px;
  }
  
  /* ====== FAQ ====== */
  .faq-wrap {
    max-width: 840px;
    margin: 0 auto;
  }
  
  .faq-item {
    border-bottom: 1px solid rgba(35, 48, 41, 0.6);
    background: transparent;
  }
  
  .faq-item:last-child {
    border-bottom: none;
  }
  
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--color-text);
    font-size: 16px;
    font-weight: 600;
    outline: none;
    min-height: 66px;
    gap: 20px;
    outline-offset: 6px;
  }
  
  .faq-question:focus-visible {
    outline: 2px solid var(--color-primary);
  }
  
  .faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    font-size: 18px;
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    font-style: normal;
  }
  
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(200, 252, 96, 0.1);
    border-color: rgba(200, 252, 96, 0.4);
  }
  
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
  }
  
  .faq-answer-inner {
    padding: 0 0 24px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 15px;
    max-width: 720px;
  }
  
  /* ====== Footer CTA ====== */
  .footer-cta {
    background: var(--color-bg);
    padding: 120px 0 80px;
    border-top: 1px solid rgba(35, 48, 41, 0.4);
    position: relative;
    overflow: hidden;
  }
  
  .footer-cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
  }
  
  .footer-cta h2 {
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 1.15;
    max-width: 720px;
    margin-bottom: 22px;
    letter-spacing: -0.02em;
  }
  
  .footer-cta p {
    font-size: 16px;
    color: var(--color-text-secondary);
    max-width: 620px;
    line-height: 1.8;
    margin-bottom: 32px;
  }
  
  .footer-cta .btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  /* ====== Footer ====== */
  .site-footer {
    background: #060907;
    border-top: 1px solid rgba(35, 48, 41, 0.4);
    padding: 64px 0 0;
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
  }
  
  .footer-brand p {
    font-size: 14px;
    color: var(--color-text-weak);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 320px;
  }
  
  .footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 18px;
    letter-spacing: 0.01em;
  }
  
  .footer-col a {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 5px 0;
    transition: color 0.2s ease;
    line-height: 1.6;
  }
  
  .footer-col a:hover {
    color: var(--color-primary);
  }
  
  .footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(35, 48, 41, 0.5);
  }
  
  .footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-size: 13px;
    color: var(--color-text-weak);
    flex-wrap: wrap;
  }
  
  /* ====== Mobile Bottom Tab ====== */
  .mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 21, 18, 0.98);
    border-top: 1px solid rgba(35, 48, 41, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  
  .mobile-tabbar-inner {
    display: flex;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  }
  
  .mobile-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    padding: 8px 4px;
    border-radius: 12px;
    color: var(--color-text-weak);
    transition: color 0.2s ease;
  }
  
  .mobile-tab svg {
    width: 20px;
    height: 20px;
    stroke-width: 1.6;
  }
  
  .mobile-tab span {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.01em;
  }
  
  .mobile-tab.active,
  .mobile-tab:active {
    color: var(--color-primary);
  }
  
  .mobile-tab.active svg,
  .mobile-tab:active svg {
    stroke-width: 2;
  }
  
   /* ====== Floating CTA ====== */
  .floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 99;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }
  
  .floating-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .floating-cta-text {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 13px;
    color: var(--color-text);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    white-space: nowrap;
    cursor: default;
  }
  
  .floating-cta-btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-on-primary);
    border: none;
    box-shadow: 0 10px 24px rgba(200, 252, 96, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  
  .floating-cta-btn:hover {
    transform: scale(1.06);
    background: var(--color-primary-hover);
    box-shadow: 0 14px 30px rgba(200, 252, 96, 0.3);
  }
  
  /* ====== Scroll top ====== */
  .scroll-top {
    position: fixed;
    bottom: 32px;
    left: 32px;
    z-index: 99;
    width: 44px;
    height: 44px;
    background: rgba(15, 21, 18, 0.9);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
  }
  
  .scroll-top.visible {
    opacity: 1;
    visibility: visible;
  }
  
  .scroll-top:hover {
    border-color: var(--color-border-hover);
    color: var(--color-primary);
  }
  
  /* ====== Mobile Drawer ====== */
  .mobile-drawer {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 101;
    background: rgba(15, 21, 18, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 20px;
    display: none;
    flex-direction: column;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }
  
  .mobile-drawer.open {
    display: flex;
  }
  
  .mobile-drawer a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 14px 10px;
    border-radius: 8px;
    font-size: 15px;
    border-bottom: 1px solid rgba(35, 48, 41, 0.4);
  }
  
  .mobile-drawer a:last-child {
    border-bottom: none;
  }
  
  .mobile-drawer a:hover,
  .mobile-drawer a:active,
  .mobile-drawer a.active {
    color: var(--color-primary);
    background: rgba(200, 252, 96, 0.06);
  }
  
  /* ====== Alternate block ====== */
  .alt-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface);
  }
  
  .alt-pane {
    padding: 40px 38px;
  }
  
  .alt-pane + .alt-pane {
    border-left: 1px solid var(--color-border);
  }
  
  .alt-pane h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
  }
  
  .alt-pane p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
  }
  
  .alt-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .alt-list li {
    padding: 10px 0 10px 28px;
    position: relative;
    font-size: 14px;
    color: var(--color-text);
    border-bottom: 1px solid rgba(35, 48, 41, 0.35);
    line-height: 1.6;
  }
  
  .alt-list li:last-child {
    border-bottom: none;
  }
  
  .alt-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 17px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(200, 252, 96, 0.15);
    border: 1px solid rgba(200, 252, 96, 0.4);
  }
  
  .alt-list li.negative::before {
    background: transparent;
    border-color: rgba(106, 123, 112, 0.3);
    border-radius: 20%;
  }
  
  /* ====== Responsive ====== */
  @media (max-width: 1023.98px) {
    .desktop-nav {
      display: none;
    }
    
    .mobile-nav-toggle {
      display: inline-flex;
    }
    
    .section {
      padding: 72px 0;
    }
    
    .game-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    
    .cat-hero .hero-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    
    .feature-layout {
      grid-template-columns: 1fr;
      gap: 36px;
    }
    
    .stats-grid {
      grid-template-columns: 1fr 1fr;
    }
    
    .stat-card-featured {
      grid-column: span 2;
    }
    
    .cta-banner {
      flex-direction: column;
      text-align: center;
      padding: 48px 28px;
      align-items: center;
    }
    
    .cta-banner p {
      margin-left: auto;
      margin-right: auto;
    }
  }
  
  @media (max-width: 767.98px) {
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }
    
    body {
      padding-bottom: 70px;
    }
    
    .mobile-tabbar {
      display: block;
    }
    
    .cat-hero {
      padding: 120px 0 60px;
    }
    
    .section {
      padding: 56px 0;
    }
    
    .section-head {
      margin-bottom: 36px;
    }
    
    .brand-text strong {
      font-size: 16px;
    }
    
    .brand-text small {
      font-size: 9px;
    }
    
    .brand-mark {
      width: 34px;
      height: 34px;
      font-size: 17px;
    }
    
    .game-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }
    
    .steps-grid {
      grid-template-columns: 1fr;
    }
    
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 36px;
    }
    
    .footer-bottom-inner {
      flex-direction: column;
      justify-content: center;
      text-align: center;
      padding-bottom: calc(12px + env(safe-area-inset-bottom));
    }
    
    .floating-cta {
      bottom: calc(68px + env(safe-area-inset-bottom));
      right: 16px;
    }
    
    .floating-cta-text {
      display: none;
    }
    
    .scroll-top {
      bottom: calc(150px + env(safe-area-inset-bottom));
      left: 16px;
      width: 40px;
      height: 40px;
    }
    
    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    
    .stat-card-featured {
      grid-column: span 2;
      padding: 28px 20px;
    }
    
    .stat-card {
      padding: 24px 14px;
    }
    
    .stat-number {
      font-size: 36px;
    }
    
    .alt-comparison {
      grid-template-columns: 1fr;
    }
    
    .alt-pane {
      padding: 28px 22px;
    }
    
    .alt-pane + .alt-pane {
      border-left: none;
      border-top: 1px solid var(--color-border);
    }
    
    .info-row {
      padding: 14px 16px;
      flex-wrap: wrap;
      gap: 8px 12px;
    }
    
    .info-row-title {
      width: 100%;
      overflow: visible;
      white-space: normal;
      font-size: 14px;
    }
    
    .info-row-date {
      margin-left: auto;
      font-size: 12px;
    }
    
    .cta-banner {
      padding: 40px 20px;
    }
    
    .cta-banner .btn {
      width: 100%;
    }
    
    .footer-cta {
      padding: 80px 0 60px;
    }
    
    .faq-question {
      font-size: 15px;
      padding: 18px 0;
    }
    
    .brand-text small {
      display: none;
    }
  }
  
  @media (max-width: 520px) {
    .hero-meta {
      gap: 12px;
      flex-direction: column;
    }
    
    .hero-buttons .btn {
      width: 100%;
    }
    
    .game-card {
      padding: 20px 18px;
    }
    
    .section-title {
      line-height: 1.25;
    }
    
    .feature-img-wrap img {
      min-height: 220px;
    }
    
    .cta-banner .btn-group {
      width: 100%;
      flex-direction: column;
    }
    
    .footer-col {
      padding: 0;
    }
  }
  
  /* ====== Reduced Motion ====== */
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
    
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
  
  ::selection {
    background: rgba(200, 252, 96, 0.3);
    color: var(--color-text);
  }
  
  *:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

/* roulang page: article */
:root {
  --bg: #080D0A;
  --bg2: #0F1512;
  --panel: #141C17;
  --panel2: #1A241E;
  --primary: #C8FC60;
  --primary-hover: #D8FF7A;
  --primary-active: #A8E64A;
  --primary-inverse: #132011;
  --text: #EDF3EA;
  --text2: #9CAFA2;
  --text3: #6A7B70;
  --border: #233029;
  --border2: #314235;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px -22px rgba(0, 0, 0, 0.55);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

.container {
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 32px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  height: 72px;
  background: rgba(11, 16, 13, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(35, 48, 41, 0.72);
  transition: background .3s ease;
}

.site-header.scrolled {
  background: rgba(6, 9, 7, 0.94);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 0;
  padding-bottom: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--primary-inverse);
  font-size: 18px;
  font-weight: 900;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-text small {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text2);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 24px);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text2);
  transition: color .2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s, border .2s, color .2s, transform .2s;
}

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

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

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

.btn-ghost {
  background: transparent;
  border-color: var(--border2);
  color: var(--text);
}

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

.btn-lg {
  padding: 16px 28px;
  font-size: 16px;
}

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

.nav-cta {
  margin-left: 6px;
}

.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
}

.mobile-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 70;
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 18px 22px 22px;
  background: rgba(15, 21, 18, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}

.mobile-drawer.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (max-width: 1023.98px) {
  .site-header {
    height: 64px;
  }
  .desktop-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .mobile-drawer {
    display: flex;
  }
}

.site-main {
  padding-top: 72px;
}

.section {
  padding-block: 80px;
}

.section-heading {
  margin-bottom: 36px;
}

.section-heading .eyebrow,
.cta-inner .eyebrow {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--primary);
}

.section-heading h2,
.cta-inner h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.8vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.015em;
}

.section-heading p {
  margin: 0;
  color: var(--text2);
  font-size: 16px;
  max-width: 720px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 28px 0 12px;
  font-size: 14px;
  color: var(--text2);
}

.breadcrumb a {
  color: var(--text2);
  transition: color .2s;
}

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

.breadcrumb .crumb-active {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.crumb-sep {
  color: var(--text3);
}

.article-shell {
  width: min(100%, 800px);
  margin-inline: auto;
}

.article-entry {
  border-radius: 24px;
}

.article-title {
  margin: 20px 0 16px;
  font-size: clamp(32px, 4.6vw, 54px);
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.article-abstract {
  margin: 0 0 22px;
  color: var(--text2);
  font-size: 16px;
  line-height: 1.8;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 0 18px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(200, 252, 96, 0.08);
  border: 1px solid rgba(200, 252, 96, 0.14);
  color: var(--text2);
  font-size: 13px;
}

.meta-chip strong {
  color: var(--primary);
  font-weight: 600;
}

.article-body {
  padding: 26px 0 20px;
  font-size: 16.5px;
  line-height: 1.9;
  color: #DFEBDD;
}

.article-body h2 {
  margin: 48px 0 18px;
  font-size: 26px;
  line-height: 1.35;
  color: var(--text);
}

.article-body h3 {
  margin: 36px 0 14px;
  font-size: 21px;
  line-height: 1.4;
  color: var(--text);
}

.article-body p {
  margin: 20px 0;
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(200, 252, 96, 0.35);
}

.article-body ul,
.article-body ol {
  margin: 22px 0;
  padding-left: 24px;
}

.article-body li {
  margin: 8px 0;
}

.article-body blockquote {
  margin: 26px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--primary);
  background: rgba(200, 252, 96, 0.05);
  border-radius: 0 12px 12px 0;
  color: var(--text2);
}

.article-body table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 12px;
  display: block;
  overflow-x: auto;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.article-body code {
  background: #101613;
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 14px;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.post-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 24px 0 6px;
  margin-top: 16px;
  border-top: 1px solid var(--border);
}

.post-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  color: var(--text2);
}

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

.not-found-wrap {
  padding: 60px 0 90px;
}

.not-found-card {
  text-align: center;
  padding: 60px 24px 50px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
}

.not-found-card h1 {
  margin: 20px 0 10px;
  font-size: 30px;
}

.not-found-card p {
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto;
}

.nf-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(200, 252, 96, 0.1);
  color: var(--primary);
  font-weight: 900;
  font-size: 26px;
  border: 1px solid rgba(200, 252, 96, 0.35);
}

.related-section {
  background: var(--bg2);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 14px 40px -28px rgba(0, 0, 0, 0.6);
  transition: transform .3s, border .3s, background .3s;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: var(--border2);
  background: var(--panel2);
}

.related-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0d1510;
}

.related-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.related-card:hover .related-visual img {
  transform: scale(1.03);
}

.related-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 20px 22px;
}

.related-body h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
}

.related-body p {
  margin: 0 0 16px;
  color: var(--text2);
  font-size: 14px;
}

.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

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

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

.faq-wrap {
  max-width: 860px;
  margin-inline: auto;
}

.faq-item {
  margin-bottom: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: border .25s;
}

.faq-item.open {
  border-color: rgba(200, 252, 96, 0.2);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  text-align: left;
  cursor: pointer;
}

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

.faq-icon {
  display: grid;
  place-items: center;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(200, 252, 96, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 20px;
  transition: transform .25s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-answer-inner {
  padding: 0 22px 20px;
  color: var(--text2);
  line-height: 1.8;
}

.cta-section {
  padding: 70px 0 90px;
  background:
    linear-gradient(rgba(8, 13, 10, 0.86), rgba(8, 13, 10, 0.94)),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-block: 32px;
  border-radius: 32px;
  border: 1px solid rgba(35, 48, 41, 0.9);
  background: rgba(13, 18, 15, 0.76);
}

.cta-copy {
  max-width: 680px;
}

.cta-copy p {
  margin: 0;
  color: var(--text2);
  line-height: 1.8;
}

.site-footer {
  background: #060907;
  border-top: 1px solid var(--border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.1fr;
  gap: 42px;
  padding-bottom: 34px;
}

.footer-brand .brand-text {
  font-size: 19px;
}

.footer-brand p {
  margin: 18px 0 0;
  max-width: 380px;
  color: var(--text2);
  font-size: 14px;
  line-height: 1.9;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--text);
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: var(--text2);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--text3);
  font-size: 13px;
}

.float-cta {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 65;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity .35s ease, transform .35s ease, bottom .3s ease;
}

.float-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.float-cta.dim {
  opacity: 0;
  pointer-events: none;
}

.float-cta-core {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 64px;
  height: 56px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-inverse);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 16px 40px -12px rgba(200, 252, 96, 0.5);
  overflow: hidden;
  white-space: nowrap;
  transition: max-width .3s ease, background .2s ease, gap .3s ease;
}

.float-cta-core svg {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
}

.float-cta-label {
  display: none;
  max-width: 0;
  opacity: 0;
  transition: display .3s, max-width .3s, opacity .3s;
}

@media (min-width: 768px) {
  .float-cta {
    right: 26px;
  }
  .float-cta-core {
    max-width: 210px;
    justify-content: flex-start;
  }
  .float-cta-label {
    display: inline-flex;
    max-width: 140px;
    opacity: 1;
  }
}

@media (max-width: 767.98px) {
  body {
    padding-bottom: 70px;
  }
  .site-main {
    padding-top: 64px;
  }
  .float-cta {
    bottom: 84px;
    right: 16px;
  }
  .float-cta-core {
    max-width: 56px;
    height: 52px;
    padding: 0;
    justify-content: center;
  }
  .float-cta-label {
    display: none;
  }
}

.mobile-tabbar {
  display: none;
}

@media (max-width: 767.98px) {
  .mobile-tabbar {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 75;
    height: calc(68px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(15, 21, 18, 0.98);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  .m-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text3);
    font-size: 10px;
    transition: color .2s;
  }
  .m-tab svg {
    width: 19px;
    height: 19px;
  }
  .m-tab.active,
  .m-tab:hover {
    color: var(--primary);
  }
}

@media (max-width: 1023.98px) and (min-width: 768px) {
  .section {
    padding-block: 64px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767.98px) {
  .section {
    padding-block: 52px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 22px;
    border-radius: 24px;
  }
  .brand-text {
    font-size: 17px;
  }
  .brand-text small {
    display: none;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .article-body {
    font-size: 16px;
  }
  .article-title {
    font-size: 30px;
  }
  .post-nav {
    flex-direction: column;
  }
  .nav-cta {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root{
    --color-bg:#080D0A;
    --color-bg2:#0F1512;
    --color-surface:#141C17;
    --color-panel:#1A241E;
    --color-primary:#C8FC60;
    --color-primary-hover:#D8FF7A;
    --color-primary-active:#A8E64A;
    --color-text:#EDF3EA;
    --color-muted:#9CAFA2;
    --color-faint:#6A7B70;
    --color-border:#233029;
    --color-border-strong:#314235;
    --color-warning:#FFB84F;
    --color-info:#58D6C0;
    --radius-btn:999px;
    --radius-card:22px;
    --radius-input:12px;
    --shadow-card:0 22px 45px -38px rgba(0,0,0,.95);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;scroll-padding-top:86px}
  body{
    font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Noto Sans CJK SC',sans-serif;
    background:var(--color-bg);
    color:var(--color-text);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body.nav-lock{overflow:hidden}
  img{display:block;max-width:100%;height:auto;object-fit:cover}
  a{color:inherit;text-decoration:none}
  button,input,select{font:inherit;color:inherit}
  .container{max-width:1260px;margin:0 auto;padding-left:24px;padding-right:24px}
  .sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:13px;letter-spacing:.03em;color:var(--color-muted);
    background:rgba(200,252,96,.08);
    border:1px solid rgba(200,252,96,.18);
    padding:7px 14px;border-radius:999px;
    margin-bottom:22px;
  }
  .eyebrow::before{content:"";width:6px;height:6px;background:var(--color-primary);border-radius:99px;box-shadow:0 0 12px rgba(200,252,96,.9)}
  h1,h2,h3,h4,h5{line-height:1.2;letter-spacing:-.01em}
  h1{font-size:clamp(42px,6.2vw,88px);font-weight:850;line-height:1.08;letter-spacing:-.02em}
  h2{font-size:clamp(28px,3.7vw,48px);font-weight:700;line-height:1.2;letter-spacing:-.015em}
  h3{font-size:clamp(18px,1.2vw,23px);font-weight:600}
  .section{padding:100px 0;position:relative}
  .section-sm{padding:70px 0}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 26px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    user-select:none;white-space:nowrap;
  }
  .btn-primary{background:var(--color-primary);color:#132011}
  .btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 10px 30px -15px rgba(200,252,96,.6)}
  .btn-primary:active{background:var(--color-primary-active);transform:translateY(1px)}
  .btn-ghost{border-color:#3A4A3E;color:var(--color-text);background:rgba(200,252,96,.02)}
  .btn-ghost:hover{border-color:var(--color-primary);color:var(--color-primary);background:rgba(200,252,96,.08)}
  .btn-lg{min-height:54px;padding:0 38px;font-size:16px}
  .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
    outline:2px solid var(--color-primary);outline-offset:3px;border-radius:8px;
  }

  /* Header */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(8,13,10,.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(35,48,41,.7);
    transition:background .25s,box-shadow .25s;
  }
  .site-header.scrolled{background:rgba(6,9,7,.96);box-shadow:0 10px 40px -30px rgba(0,0,0,.8)}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
  .brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;display:flex;align-items:center;justify-content:center;
    background:var(--color-primary);color:#132011;border-radius:10px;
    font-size:20px;font-weight:800;box-shadow:0 0 0 4px rgba(200,252,96,.10);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:18px;letter-spacing:-.01em}
  .brand-text small{font-size:10px;color:var(--color-muted);margin-top:3px;font-weight:400;letter-spacing:.08em}
  .desktop-nav{display:flex;align-items:center;gap:6px}
  .desktop-nav .nav-link{
    position:relative;
    font-size:14px;font-weight:500;color:var(--color-muted);
    padding:10px 12px;border-radius:8px;transition:color .2s;
    white-space:nowrap;
  }
  .desktop-nav .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    background:var(--color-primary);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
  }
  .desktop-nav .nav-link:hover::after,.desktop-nav .nav-link.active::after{transform:scaleX(1)}
  .desktop-nav .nav-link.active{color:var(--color-primary)}
  .nav-cta{margin-left:8px;min-height:40px;padding:0 20px;font-size:14px}
  .mobile-nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--color-border);
    border-radius:12px;align-items:center;justify-content:center;cursor:pointer;background:var(--color-bg2);color:var(--color-text);
  }
  .mobile-nav-toggle svg{width:22px;height:22px}

  /* Drawer */
  .drawer{
    position:fixed;z-index:1200;top:0;right:0;width:min(420px,88vw);height:100dvh;
    background:#0b110d;box-shadow:-20px 0 50px rgba(0,0,0,.6);
    border-left:1px solid var(--color-border);
    transform:translateX(110%);transition:transform .35s cubic-bezier(.22,.61,.36,1);padding:100px 28px 28px;
    overflow-y:auto;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;pointer-events:none;z-index:1190;transition:opacity .3s}
  .drawer-backdrop.show{opacity:1;pointer-events:auto}
  .drawer-close{
    position:absolute;top:86px;right:24px;width:36px;height:36px;border-radius:10px;border:1px solid var(--color-border);
    color:var(--color-text);background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .drawer-nav{display:flex;flex-direction:column;gap:6px}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 14px;border-radius:12px;color:var(--color-text);font-size:16px;font-weight:500;transition:background .2s,color .2s;
  }
  .drawer-nav a:hover,.drawer-nav a.active{background:rgba(200,252,96,.1);color:var(--color-primary)}

  /* Bottom tab */
  .bottom-tab{
    display:none;
  }
  @media (max-width:767.98px){
    .bottom-tab{
      display:flex;position:fixed;z-index:1050;left:0;right:0;bottom:0;
      height:calc(64px + env(safe-area-inset-bottom));
      padding-bottom:env(safe-area-inset-bottom);
      background:#0F1512;border-top:1px solid var(--color-border);
      align-items:stretch;
    }
    .bottom-tab a,.bottom-tab button{
      flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
      background:none;border:0;cursor:pointer;color:var(--color-faint);font-size:10px;line-height:1;min-height:60px;padding:6px 2px;
    }
    .bottom-tab a svg,.bottom-tab button svg{width:20px;height:20px;stroke:currentColor}
    .bottom-tab a.active,.bottom-tab button.active{color:var(--color-primary)}
    body{padding-bottom:72px}
  }
  .bottom-sheet{
    position:fixed;left:10px;right:10px;bottom:calc(70px + env(safe-area-inset-bottom));z-index:1200;
    background:#0F1512;border:1px solid var(--color-border-strong);border-radius:18px;
    padding:16px;box-shadow:0 -10px 50px rgba(0,0,0,.6);
    transform:translateY(130%);opacity:0;transition:transform .3s ease,opacity .25s;pointer-events:none;
  }
  .bottom-sheet.show{transform:translateY(0);opacity:1;pointer-events:auto}
  .bottom-sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .bottom-sheet-grid a{
    display:block;padding:11px 12px;border-radius:10px;background:#172019;color:#EDF3EA;font-size:14px;text-align:center;
  }
  .bottom-sheet-grid a.active{background:rgba(200,252,96,.15);color:var(--color-primary);font-weight:500}

  /* Hero */
  .hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    padding:150px 0 80px;overflow:hidden;
  }
  .hero-bg{
    position:absolute;inset:0;z-index:-3;background-size:cover;background-position:center;
    background-image:url('/assets/images/backpic/back-1.png');
  }
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(ellipse 70% 90% at 70% 20%,rgba(200,252,96,.12),transparent 45%),
      linear-gradient(180deg,rgba(8,13,10,.65) 0%,rgba(8,13,10,.82) 55%,#080D0A 96%);
  }
  .hero-title-badge{
    display:inline-flex;align-items:center;gap:10px;font-size:14px;
    border:1px solid rgba(200,252,96,.25);color:var(--color-primary);
    background:rgba(8,13,10,.55);padding:8px 16px;border-radius:999px;margin-bottom:24px;
  }
  .hero p.lead{max-width:620px;font-size:18px;color:var(--color-muted);line-height:1.8;margin:28px 0 34px}
  .btn-group{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:56px;padding-top:24px;border-top:1px solid rgba(35,48,41,.6)}
  .hero-trust span{font-size:13px;color:var(--color-faint);display:flex;align-items:center;gap:8px}
  .hero-trust span::before{width:16px;content:"";display:inline-block;height:1px;background:var(--color-primary);opacity:.5}

  /* Cards */
  .card{
    background:#111812;border:1px solid var(--color-border);border-radius:var(--radius-card);
    overflow:hidden;transition:transform .25s,border-color .3s,box-shadow .3s;
  }
  .card:hover{border-color:#3f5547;transform:translateY(-4px);box-shadow:var(--shadow-card)}
  .card .card-body{padding:24px 24px 26px}
  .card .card-img{position:relative;aspect-ratio:16/9;background:#0c110e;overflow:hidden}
  .card .card-img img{width:100%;height:100%;transition:transform .5s ease}
  .card:hover .card-img img{transform:scale(1.03)}
  .card-tag{
    position:absolute;top:12px;left:12px;z-index:3;
    display:inline-block;background:#C8FC60;color:#132011;font-size:11px!important;line-height:1;
    padding:6px 10px;border-radius:7px;font-weight:600;letter-spacing:.02em;
  }
  .card p{color:var(--color-muted);font-size:15px}
  .card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:var(--color-primary);font-weight:600;font-size:15px}
  .card-link svg{width:16px;height:16px}

  /* Section heading */
  .sec-head{max-width:820px;margin-bottom:52px}
  .sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .sec-head h2{margin-bottom:16px}
  .sec-head p{color:var(--color-muted);font-size:17px;line-height:1.8}
  .sec-overline{
    display:inline-block;margin-bottom:12px;color:var(--color-primary);
    border:1px solid rgba(200,252,96,.2);border-radius:7px;background:rgba(200,252,96,.07);
    font-size:12px;letter-spacing:.06em;padding:4px 10px;
  }

  /* gift categories */
  .hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .hot-grid .card{height:100%}

  /* Steps */
  .steps-holder{
    position:relative;border-radius:24px;background:rgba(15,21,18,.7);
    border:1px solid var(--color-border);padding:10px 38px;overflow:hidden;
  }
  .steps-holder::before{
    content:"";position:absolute;left:55px;top:40px;bottom:40px;width:1px;
    background:linear-gradient(180deg,rgba(200,252,96,.55),rgba(35,48,41,.3) 60%,transparent);
  }
  .step-row{
    display:flex;align-items:flex-start;gap:28px;padding:26px 0;position:relative;
    border-bottom:1px solid rgba(35,48,41,.6);transition:background .25s;
  }
  .step-row:last-child{border-bottom:0}
  .step-row:hover{background:rgba(200,252,96,.02)}
  .step-index{
    min-width:66px;height:66px;border-radius:16px;
    display:flex;align-items:center;justify-content:center;
    font-size:26px;font-weight:800;color:#132011;background:var(--color-primary);
    box-shadow:0 0 0 5px rgba(200,252,96,.12);position:relative;z-index:2;flex-shrink:0;
  }
  .step-copy h3{margin-bottom:7px}
  .step-copy p{color:var(--color-muted);font-size:15px;max-width:620px}
  .step-visual{border-radius:24px;overflow:hidden;border:1px solid var(--color-border)}
  .step-visual img{width:100%;height:100%;min-height:300px}
  .two-col{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center}

  /* metrics */
  .metrics-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:20px}
  .metric{
    background:#0F1512;border:1px solid var(--color-border);border-radius:24px;padding:30px 26px;
    transition:border-color .25s,transform .25s;
  }
  .metric:hover{border-color:#3a4e40;transform:translateY(-3px)}
  .metric.mini{background:transparent}
  .metric-number{font-size:clamp(40px,4.6vw,64px);font-weight:800;color:var(--color-primary);letter-spacing:0;line-height:1}
  .metric + .metric .metric-number{font-size:clamp(30px,3vw,44px)}
  .metric-notes{margin-top:14px;color:var(--color-muted);font-size:14px}

  /* rules */
  .tips-panels{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .tip-card{
    background:#111a14;border:1px solid var(--color-border);border-radius:22px;padding:30px 26px;
  }
  .tip-icon{
    width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
    background:rgba(200,252,96,.1);color:var(--color-primary);margin-bottom:20px;
  }
  .tip-icon svg{width:23px;height:23px}
  .tip-card h3{font-size:18px;margin-bottom:10px}
  .tip-card p{color:var(--color-muted);font-size:14px;line-height:1.7}

  /* FAQ */
  .faq-wrap{max-width:880px;margin:0 auto}
  .faq-item{
    background:#0F1512;border:1px solid var(--color-border);border-radius:18px;margin-bottom:12px;overflow:hidden;
    transition:border-color .25s;
  }
  .faq-item.open{border-color:#3a4e40}
  .faq-question{
    width:100%;display:flex;justify-content:space-between;gap:18px;align-items:center;
    padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;
    min-height:62px;transition:color .2s;
  }
  .faq-question:hover{color:var(--color-primary)}
  .faq-chevron{
    width:30px;height:30px;position:relative;
    background:rgba(200,252,96,.08);border-radius:100%;flex-shrink:0;
  }
  .faq-chevron::before,.faq-chevron::after{
    content:"";position:absolute;background:var(--color-primary);top:50%;left:50%;width:12px;height:1.6px;border-radius:3px;
    transform:translate(-50%,-50%);transition:transform .3s;
  }
  .faq-chevron::after{width:1.6px;height:12px}
  .faq-item.open .faq-chevron::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
  .faq-answer{max-height:0;opacity:0;transition:max-height .3s ease,opacity .3s ease;padding:0 22px}
  .faq-item.open .faq-answer{max-height:280px;opacity:1;padding:0 22px 22px}
  .faq-answer p{color:var(--color-muted);font-size:15px;line-height:1.8;padding-top:2px;border-top:1px solid rgba(35,48,41,.55);padding-top:14px}

  /* CTA band */
  .cta-band{
    padding:88px 0;position:relative;overflow:hidden;border-radius:28px;
    background-color:#0B120D;
    background-image:url('/assets/images/backpic/back-3.png');
    background-position:center 20%;background-size:cover;
  }
  .cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,10,7,.85) 45%,rgba(6,10,7,.28))}
  .cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start}
  .cta-inner h2{max-width:600px;font-size:clamp(28px,3.6vw,46px)}
  .cta-inner p{max-width:530px;color:var(--color-muted);margin-top:14px}

  /* Footer */
  .site-footer{background:#060907;border-top:1px solid #121a15;margin-top:60px}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;
    padding:68px 0 52px;
  }
  .site-footer h4{font-size:13px;color:var(--color-faint);font-weight:600;letter-spacing:.04em;margin-bottom:18px}
  .footer-brand p{color:var(--color-muted);font-size:14px;margin-top:16px;line-height:1.8;max-width:320px}
  .footer-col{display:flex;flex-direction:column;gap:12px}
  .footer-col a,.footer-brand a{
    color:var(--color-muted);font-size:14px;padding:3px 0;transition:color .2s;
  }
  .footer-col a:hover{color:var(--color-primary)}
  .footer-bottom{
    padding:18px 0 22px;border-top:1px solid #111a15;
  }
  .footer-bottom-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:#52635A;font-size:12px}

  /* floating CTA */
  .float-cta{
    position:fixed;right:26px;bottom:98px;z-index:900;
    display:flex;align-items:center;gap:6px;background:var(--color-primary);color:#132011;
    border:0;border-radius:999px;padding:13px 20px;font-weight:700;cursor:pointer;
    font-size:14px;box-shadow:0 14px 35px -18px rgba(200,252,96,.8);opacity:0;transform:translateY(20px);pointer-events:none;
    transition:opacity .3s,transform .3s,background .2s;
  }
  .float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
  .float-cta.hide{opacity:0;pointer-events:none;transform:translateY(10px)}
  .float-cta:hover{background:var(--color-primary-hover)}
  @media (max-width:767px){
    .float-cta{right:14px;bottom:84px;padding:12px 14px}
  }

  /* reveal */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
  .reveal.in-view{opacity:1;transform:none}

  @media (max-width:1023px){
    .desktop-nav{display:none}
    .mobile-nav-toggle{display:inline-flex}
    .nav-cta{display:none}
  }
  @media (max-width:900px){
    .hot-grid{grid-template-columns:1fr 1fr}
    .tips-panels{grid-template-columns:1fr 1fr}
    .two-col{grid-template-columns:1fr}
    .step-visual{margin-top:10px}
    .metrics-grid{grid-template-columns:1fr 1fr}
    .metric:first-child{grid-column:span 2}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:600px){
    .section{padding:64px 0}
    .hero{padding:120px 0 40px}
    .hot-grid{grid-template-columns:1fr}
    .tips-panels{grid-template-columns:1fr}
    .metrics-grid{grid-template-columns:1fr}
    .metric:first-child{grid-column:span 1}
    .steps-holder{padding:10px 18px}
    .step-row{flex-direction:column;gap:14px}
    .step-index{width:44px;min-width:44px;height:44px;font-size:19px;border-radius:12px}
    .steps-holder::before{display:none}
    .btn-group .btn{width:100%}
    .footer-grid{grid-template-columns:1fr}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category3 */
:root{
  --bg:#080D0A;
  --bg-2:#0F1512;
  --panel:#141C17;
  --panel-2:#1A241E;
  --primary:#C8FC60;
  --primary-hover:#D8FF7A;
  --primary-active:#A8E64A;
  --text-main:#EDF3EA;
  --text-sec:#9CAFA2;
  --text-mut:#6A7B70;
  --warning:#FFB84F;
  --cyan:#58D6C0;
  --line:#233029;
  --line-hover:#314235;
  --radius:20px;
  --shadow:0 18px 50px rgba(0,0,0,.24);
  --header-h:68px;
}
*{box-sizing:border-box;padding:0;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease,transform .22s ease}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
img{display:block;max-width:100%;font-style:normal}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.container{width:100%;max-width:1280px;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
@media(max-width:767px){.container{padding-left:20px;padding-right:20px}}
section[id]{scroll-margin-top:calc(var(--header-h) + 12px)}
h1,h2,h3{font-weight:700;line-height:1.18;letter-spacing:-.02em}
h2{font-size:clamp(28px,3.8vw,52px)}
h3{font-size:clamp(20px,2.2vw,27px);letter-spacing:-.01em}
body .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.15em;color:var(--cyan);text-transform:uppercase;font-weight:600}
body .eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:inline-block}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);z-index:70;background:rgba(8,13,10,.84);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(35,48,41,.8)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:18px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--primary);color:#132011;display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;letter-spacing:-.02em}
.brand-text{display:flex;flex-direction:column;font-size:20px;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--text-main);white-space:nowrap}
.brand-text small{font-size:11px;font-weight:500;color:var(--text-mut);letter-spacing:.06em;line-height:1.4}
.desktop-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:12px 12px;font-size:15px;font-weight:500;color:var(--text-sec);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease}
.nav-link:hover{color:var(--text-main)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:10px;padding:11px 20px;border-radius:999px;background:var(--primary);color:#132011;font-weight:700;font-size:14px;display:inline-flex;align-items:center;border:1px solid transparent}
.nav-cta:hover{background:var(--primary-hover);color:#132011}
.mobile-nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;color:var(--text-main);cursor:pointer}
.mobile-nav-toggle svg{width:24px;height:24px}
.mobile-drawer{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:69;background:rgba(12,17,14,.98);padding:28px 32px 48px;display:flex;flex-direction:column;gap:4px;transform:translateX(-100%);visibility:hidden;transition:transform .25s ease,visibility .25s ease;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0);visibility:visible}
.mobile-drawer a{display:block;padding:18px 6px;font-size:20px;font-weight:700;color:var(--text-main);border-bottom:1px solid rgba(35,48,41,.6)}
.mobile-drawer a:hover{color:var(--primary)}
.mobile-drawer .drawer-cta{margin-top:26px;text-align:center;background:var(--primary);color:#132011;border-radius:999px;font-size:16px;font-weight:800}

/* Mobile bottom nav */
.mobile-bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;background:#0F1512;border-top:1px solid #233029;padding-bottom:env(safe-area-inset-bottom)}
.mobile-bottom-nav .tab-grid{display:grid;grid-template-columns:repeat(5,1fr);height:66px}
.m-tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#7D8F84;font-size:10px;font-weight:500;min-height:44px}
.m-tab svg{width:19px;height:19px}
.m-tab.active{color:var(--primary)}
.m-tab:hover{color:#D6FF7A}

/* Hero */
.hero-section{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;padding:calc(var(--header-h) + 54px) 0 64px}
@media(max-width:767px){.hero-section{padding-top:calc(var(--header-h) + 42px);min-height:590px}}
.hero-backdrop{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;z-index:-2}
.hero-section::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,13,10,.98) 0%,rgba(8,13,10,.82) 44%,rgba(8,13,10,.35) 100%);z-index:-1}
.hero-section::after{content:"";position:absolute;width:440px;height:440px;right:-80px;bottom:-180px;border-radius:50%;background:rgba(200,252,96,.06);filter:blur(70px);z-index:-1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.1em}
.hero-eyebrow::before{content:"";width:24px;height:2px;background:var(--primary)}
.hero-section h1{font-size:clamp(42px,6.2vw,86px);font-weight:900;letter-spacing:-.035em;max-width:11ch;margin-top:18px;margin-bottom:22px;color:var(--text-main)}
.hero-section h1 .text-accent{color:var(--primary)}
.hero-sub{font-size:18px;line-height:1.8;color:var(--text-sec);max-width:590px;margin-bottom:26px}
@media(max-width:767px){.hero-sub{font-size:16px}}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:38px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 26px;border-radius:999px;background:var(--primary);color:#132011;font-weight:800;border:1px solid var(--primary);transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;background:transparent;color:var(--text-main);font-weight:600;border:1px solid #314235;transition:border-color .2s ease,background .2s ease}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(255,255,255,.06)}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;color:var(--text-mut);font-size:13px}
.hero-facts span{display:inline-flex;align-items:center;gap:7px}
.hero-facts span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary)}

/* Section */
.section-pad{padding:104px 0}
@media(max-width:767px){.section-pad{padding:68px 0}}
.section-head{max-width:780px;margin-bottom:38px}
.section-head p{color:var(--text-sec);margin-top:16px;font-size:16px;line-height:1.8}
.section-head h2{margin-top:10px}
.muted-caption{color:var(--text-mut);font-size:13px;margin-top:26px}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
@media(max-width:767px){.stats-grid{grid-template-columns:1fr}}
.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:26px;padding:28px 26px;min-height:150px;transition:border-color .25s ease,transform .25s ease;position:relative;overflow:hidden}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.stat-card .stat-num{font-size:clamp(48px,5vw,72px);font-weight:900;letter-spacing:-.04em;color:var(--primary);display:block;line-height:1.1}
.stat-card .stat-label{color:var(--text-sec);font-weight:600;margin-top:12px;font-size:18px}
.stat-card .stat-desc{color:var(--text-mut);font-size:14px;margin-top:4px}

/* Filter chips */
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 36px}
.chip{display:inline-flex;padding:9px 18px;border-radius:999px;background:var(--bg-2);color:var(--text-sec);font-size:14px;border:1px solid var(--line);font-weight:500}
.chip-active{background:rgba(200,252,96,.14);color:var(--primary);border-color:rgba(200,252,96,.36)}
.chip-note{display:inline-flex;align-items:center;border:1px dashed rgba(88,214,192,.4);padding:9px 18px;border-radius:999px;color:var(--cyan);font-size:13px}

/* Schedule cards */
.sched-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease;box-shadow:0 2px 16px rgba(0,0,0,.10)}
.sched-card:hover{border-color:var(--line-hover);transform:translateY(-5px)}
.sched-card .cover-wrap{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0A100C}
.sched-card .cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.sched-card:hover .cover-wrap img{transform:scale(1.03)}
.sched-card .card-status{position:absolute;top:14px;right:14px;z-index:2;background:rgba(8,13,10,.82);backdrop-filter:blur(6px);padding:5px 12px;border-radius:999px;font-size:12px;color:var(--primary);border:1px solid rgba(200,252,96,.25);font-weight:600}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;background:#1A241E;border-radius:6px;color:var(--text-sec);font-size:12px}
.tag-main{color:var(--primary);border:1px solid rgba(200,252,96,.2)}
.card-body h3{font-size:21px;font-weight:800}
.card-body h3 a{display:block;line-height:1.35}
.card-time{display:flex;align-items:center;gap:10px;color:var(--text-main);font-size:15px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:rgba(15,21,18,.55)}
.card-time strong{color:var(--primary);font-weight:800}
.card-excerpt{color:var(--text-mut);font-size:14px;line-height:1.6}
.card-bottom{margin-top:auto;display:flex;align-items:center;gap:8px}
.card-bottom .btn-mini{display:inline-flex;min-height:38px;align-items:center;padding:0 17px;border-radius:999px;background:transparent;border:1px solid #39483F;font-size:13px;color:var(--text-sec);transition:border .2s ease,color .2s ease}
.card-bottom .btn-mini:hover{border-color:var(--primary);color:var(--primary)}

/* section divider label */
.soft-note{background:var(--bg-2);border-left:2px solid var(--primary);border-radius:4px 14px 14px 4px;padding:12px 18px;color:var(--text-mut);font-size:13px;line-height:1.7}

/* Feature mini cards */
.feature-card{background:#101712;border:1px solid #233029;border-radius:24px;padding:26px;transition:border-color .2s ease,transform .2s ease,background .2s ease}
.feature-card:hover{background:#141C17;border-color:#314235;transform:translateY(-4px)}
.icon-badge{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:rgba(200,252,96,.12);color:var(--primary);margin-bottom:20px}
.icon-badge svg{width:22px;height:22px}
.feature-card h3{font-size:23px}
.feature-card p{color:var(--text-sec);margin-top:12px;font-size:15px}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:16px}
@media(max-width:767px){.step-grid{grid-template-columns:1fr}}
.step-card{border-radius:22px;border:1px solid var(--line);background:var(--panel);padding:28px;display:flex;flex-direction:column;gap:12px;counter-increment:stepCount;position:relative}
.step-card::before{content:"0" counter(stepCount);width:56px;height:56px;border-radius:50%;background:#233029;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;font-weight:800;margin-bottom:6px}
.step-grid{counter-reset:stepCount}
.step-card h3{margin-top:4px}
.step-card p{color:var(--text-sec);font-size:14px}

/* Article tip / reading */
.read-card{border-radius:24px;background:linear-gradient(115deg,#101A13 0%,#121D17 60%,#172319 100%);border:1px solid #233029;display:grid;grid-template-columns:minmax(0,460px) 1fr;overflow:hidden;transition:border .25s ease,transform .25s ease}
.read-card:hover{border-color:rgba(200,252,96,.35);transform:translateY(-3px)}
.read-card .read-img{position:relative;min-height:260px;height:100%}
.read-card .read-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.read-card .read-body{display:flex;flex-direction:column;justify-content:center;padding:34px 40px;gap:14px}
@media(max-width:767px){.read-card{grid-template-columns:1fr}.read-card .read-img{min-height:220px}.read-card .read-body{padding:24px}}
.read-body h3{font-size:clamp(24px,3vw,36px)}
.read-body p{color:var(--text-sec);font-size:16px;max-width:560px}
.read-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;margin-top:4px}
.read-arrow svg{width:18px;height:18px;transition:transform .2s ease}
.read-card:hover .read-arrow svg{transform:translateX(4px)}

/* FAQ */
.faq-wrap{max-width:840px;margin:10px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.faq-item.open{border-color:rgba(200,252,96,.4)}
.faq-q{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 22px;color:var(--text-main);font-size:17px;font-weight:600;min-height:58px}
.faq-q .icon-mark{width:28px;height:28px;flex:0 0 28px;border-radius:50%;border:1px solid #314235;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;transition:transform .22s ease,background .22s ease,border-color .22s ease}
.faq-item.open .faq-q .icon-mark{transform:rotate(45deg);border-color:var(--primary);background:rgba(200,252,96,.08)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;color:var(--text-sec);font-size:15px}
.faq-item.open .faq-a{max-height:220px}
.faq-a-inner{padding:0 22px 20px;border-top:1px solid #1C2921;margin-top:15px;padding-top:16px;line-height:1.8}

/* Final CTA */
.final-cta{position:relative;overflow:hidden;background:#0A0F0C;border-top:1px solid #1B2A1E;padding:110px 0}
.final-cta::before{content:"";position:absolute;left:12%;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,rgba(200,252,96,.18),transparent)}
.final-cta::after{content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,252,96,.11),transparent 62%)}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:32px;position:relative;z-index:2}
@media(max-width:767px){.cta-grid{grid-template-columns:1fr}.final-cta{padding:76px 0}}
.cta-grid p{color:var(--text-sec);font-size:16px;margin-top:18px}
.cta-grid h2{font-size:clamp(30px,4vw,58px);margin-top:12px;line-height:1.15}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.cta-action .btn-primary{min-height:54px;padding:0 32px;font-size:16px}
.cta-action .cta-note{color:var(--text-mut);font-size:13px}

/* Floating CTA */
.floating-cta{position:fixed;right:22px;bottom:26px;z-index:54;display:flex;align-items:center;gap:10px;opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .2s ease,transform .2s ease}
.floating-cta.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.floating-cta .float-text{background:var(--primary);color:#132011;border-radius:999px;font-size:14px;font-weight:800;padding:14px 24px;min-height:46px;display:flex;align-items:center;box-shadow:0 12px 30px rgba(200,252,96,.18)}
.floating-cta .float-text:hover{background:var(--primary-hover)}
.floating-cta .float-bubble{background:var(--panel-2);border:1px solid #314235;border-radius:14px;padding:8px 14px;color:var(--text-sec);font-size:12px;position:relative}
.floating-cta .float-bubble::after{content:"";position:absolute;top:50%;left:100%;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:7px solid var(--panel-2);transform:translateY(-50%)}
@media(max-width:767px){.floating-cta{bottom:92px}.floating-cta .float-bubble{display:none}.floating-cta .float-text{padding:13px 20px}}

/* Footer */
.site-footer{background:#060907;border-top:1px solid #182319;padding-top:68px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.35fr .9fr .8fr .9fr;gap:38px;padding-bottom:46px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:420px}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .brand-text{white-space:normal}
.footer-brand p{color:var(--text-mut);margin-top:18px;font-size:14px;max-width:330px;line-height:1.8}
.footer-col h4{font-size:16px;color:#DCE8DF;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;padding:7px 0;font-size:14px;color:var(--text-mut);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:3px}
.footer-bottom{border-top:1px solid #152018;padding:20px 0 24px}
.footer-bottom-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;color:#5F7467;font-size:13px}

/* responsive nav */
@media(max-width:1023.98px){
  .desktop-nav{display:none}
  .site-header{height:var(--header-h)}
  .mobile-nav-toggle{display:inline-flex}
  .brand-text small{display:none}
}
@media(max-width:767.98px){
  .mobile-nav-toggle{display:none}
  .mobile-bottom-nav{display:block}
  .brand-text{font-size:18px}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:18px}
  .site-header{height:62px}
  :root{--header-h:62px}
  body{padding-bottom:66px}
}
@media(min-width:1024px){
  .mobile-drawer{display:none}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .stat-card:hover,.feature-card:hover,.step-card:hover,.sched-card:hover{transform:none}
}

/* Fade in */
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.fade-up{opacity:0;animation:fadeUp .55s ease forwards}
@media(prefers-reduced-motion:reduce){.fade-up{opacity:1}}

/* roulang page: category4 */
:root {
        --bg: #080D0A;
        --bg-soft: #0F1512;
        --card: #141C17;
        --card-2: #1A241E;
        --primary: #C8FC60;
        --primary-hover: #D8FF7A;
        --primary-active: #A8E64A;
        --text: #EDF3EA;
        --text-muted: #9CAFA2;
        --text-faint: #6A7B70;
        --border: #233029;
        --border-hover: #314235;
        --radius: 20px;
        --radius-lg: 24px;
        --shadow: 0 18px 50px rgba(0, 0, 0, .28);
        --container: 1200px;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 92px;
    }
    body {
        margin: 0;
        background: var(--bg);
        color: var(--text);
        font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    img {
        display: block;
        max-width: 100%;
        object-fit: cover;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    button {
        font-family: inherit;
    }
    h1,
    h2,
    h3,
    h4,
    p,
    ul {
        margin: 0;
    }
    ul {
        padding: 0;
        list-style: none;
    }
    .container {
        width: min(100% - 40px, var(--container));
        margin: 0 auto;
    }
    .container-wide {
        width: min(100% - 32px, 1320px);
        margin: 0 auto;
    }
    .section {
        padding: 104px 0;
    }
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        letter-spacing: .1em;
        margin-bottom: 18px;
    }
    .eyebrow::before {
        content: "";
        width: 24px;
        height: 1px;
        background: var(--primary);
        display: inline-block;
        vertical-align: middle;
        opacity: .8;
    }
    .section-title {
        font-size: clamp(28px, 3.8vw, 48px);
        line-height: 1.15;
        font-weight: 800;
        letter-spacing: -.02em;
        color: var(--text);
        margin: 0 0 18px;
    }
    .section-sub {
        color: var(--text-muted);
        font-size: 16px;
        max-width: 740px;
        line-height: 1.8;
    }
    .section-head {
        max-width: 760px;
        margin-bottom: 44px;
    }

    /* header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 60;
        background: rgba(8, 13, 10, .82);
        border-bottom: 1px solid rgba(35, 48, 41, .72);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        transition: background .3s ease, box-shadow .3s ease;
    }
    .site-header.scrolled {
        background: rgba(8, 13, 10, .96);
        box-shadow: 0 10px 30px rgba(0, 0, 0, .22);
    }
    .nav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 18px;
    }
    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }
    .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
        background: var(--primary);
        color: #132011;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        font-size: 22px;
        line-height: 1;
        letter-spacing: -.02em;
        box-shadow: 0 0 0 4px rgba(200, 252, 96, .08);
    }
    .brand-text {
        color: var(--text);
        font-weight: 800;
        font-size: 20px;
        line-height: 1.1;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .brand-text small {
        font-size: 11px;
        font-weight: 500;
        color: var(--text-faint);
        letter-spacing: .02em;
    }
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .desktop-nav .nav-link {
        position: relative;
        color: var(--text-muted);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 10px;
        border-radius: 10px;
        transition: color .2s;
        white-space: nowrap;
    }
    .desktop-nav .nav-link::after {
        content: "";
        position: absolute;
        left: 10px;
        right: 10px;
        bottom: 3px;
        height: 2px;
        background: var(--primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform .25s ease;
    }
    .desktop-nav .nav-link:hover {
        color: var(--text);
    }
    .desktop-nav .nav-link:hover::after,
    .desktop-nav .nav-link.active::after {
        transform: scaleX(1);
    }
    .desktop-nav .nav-link.active {
        color: var(--primary);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        padding: 0 22px;
        border-radius: 999px;
        font-weight: 600;
        font-size: 15px;
        border: 1px solid transparent;
        cursor: pointer;
        transition: all .22s ease;
        line-height: 1;
        gap: 8px;
    }
    .btn-primary {
        background: var(--primary) !important;
        color: #132011 !important;
    }
    .btn-primary:hover {
        background: var(--primary-hover) !important;
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(200, 252, 96, .16);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-outline {
        border-color: var(--border-hover);
        color: var(--text);
        background: transparent;
    }
    .btn-outline:hover {
        border-color: var(--primary);
        color: var(--primary);
        transform: translateY(-2px);
    }
    .btn:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 3px;
    }
    .nav-cta {
        min-height: 38px;
        padding: 0 18px;
        font-size: 14px;
        margin-left: 12px;
    }
    .mobile-nav-toggle {
        display: none;
        background: none;
        border: 0;
        color: var(--text);
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        cursor: pointer;
    }
    .mobile-nav-toggle svg {
        width: 24px;
        height: 24px;
    }
    .mobile-nav-toggle.active svg {
        transform: rotate(180deg);
    }
    .mobile-drawer {
        display: none;
    }
    .desktop-nav .btn-outline {
        margin-left: 6px;
    }
    .desktop-nav a.nav-link + a.btn {
        margin-left: 14px;
    }

    /* hero */
    .cat-hero {
        position: relative;
        min-height: 640px;
        display: flex;
        align-items: center;
        padding: 148px 0 80px;
        overflow: hidden;
        background: #0A0F0C;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center 28%;
        opacity: .46;
        z-index: 0;
    }
    .cat-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 1;
        background: radial-gradient(ellipse at 18% 38%, rgba(8, 13, 10, .38) 0%, rgba(8, 13, 10, .92) 68%, #080D0A 100%);
    }
    .hero-inner {
        position: relative;
        z-index: 2;
        max-width: 900px;
    }
    .hero-inner h1 {
        font-size: clamp(42px, 6vw, 82px);
        line-height: 1.08;
        font-weight: 900;
        letter-spacing: -.03em;
        color: #F7FAF4;
        margin: 6px 0 20px;
        animation: heroFade .7s ease both;
    }
    .hero-inner .hero-desc {
        max-width: 720px;
        font-size: 18px;
        line-height: 1.85;
        color: #C6D2C6;
        margin: 0 0 34px;
        animation: heroFade .9s .08s ease both;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        animation: heroFade 1s .16s ease both;
    }
    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 30px;
        margin-top: 46px;
        color: var(--text-faint);
        font-size: 14px;
        animation: heroFade 1s .24s ease both;
    }
    .hero-meta li {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .hero-meta li::before {
        content: "";
        width: 5px;
        height: 5px;
        background: var(--primary);
        border-radius: 99px;
        flex: 0 0 auto;
    }
    @keyframes heroFade {
        from {
            opacity: 0;
            transform: translateY(18px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* cover cards */
    .card {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: transform .24s ease, border-color .24s ease, background .24s ease;
    }
    .card:hover {
        border-color: var(--primary);
        transform: translateY(-4px);
        background: var(--card-2);
    }
    .card-media {
        overflow: hidden;
    }
    .card-media img {
        width: 100%;
        height: 220px;
        transition: transform .4s ease, opacity .5s ease;
    }
    .card:hover .card-media img {
        transform: scale(1.03);
    }
    .card-body {
        padding: 24px;
    }
    .tag {
        display: inline-flex;
        align-items: center;
        min-height: 24px;
        padding: 0 10px;
        border-radius: 6px;
        background: rgba(200, 252, 96, .12);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        line-height: 1;
        gap: 6px;
    }
    .tag::before {
        content: "";
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--primary);
    }
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--primary);
        font-weight: 600;
        transition: gap .2s ease;
    }
    .text-link:hover {
        gap: 10px;
    }
    .text-link::after {
        content: "→";
        font-weight: 500;
    }

    /* news / split */
    .split-block {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        gap: 56px;
        align-items: start;
    }
    .sticky-caption {
        position: sticky;
        top: 120px;
    }
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .news-row {
        display: flex;
        flex-direction: column;
        gap: 12px;
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 22px 24px;
        background: var(--card);
        transition: border-color .2s ease, background .2s ease;
    }
    .news-row:hover {
        background: var(--card-2);
        border-color: var(--border-hover);
    }
    .news-top {
        display: flex;
        justify-content: space-between;
        gap: 14px;
        color: var(--text-faint);
        font-size: 13px;
        flex-wrap: wrap;
    }
    .news-row h3 {
        font-size: 20px;
        font-weight: 700;
        line-height: 1.35;
    }
    .news-row p {
        color: var(--text-muted);
        font-size: 15px;
    }

    /* numbered topics */
    .topic-wrap {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .topic-row {
        display: grid;
        grid-template-columns: 76px 1fr 120px;
        gap: 22px;
        align-items: center;
        border: 1px solid var(--border);
        border-radius: 22px;
        padding: 22px 24px;
        background: rgba(20, 28, 23, .78);
        transition: border-color .2s, background .2s;
    }
    .topic-row:hover {
        border-color: rgba(200, 252, 96, .5);
        background: var(--card);
    }
    .topic-num {
        font-size: 32px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: -.03em;
    }
    .topic-row h3 {
        font-size: 20px;
        font-weight: 700;
    }
    .topic-row p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.7;
    }
    .topic-link {
        color: var(--text-muted);
        font-size: 14px;
        white-space: nowrap;
    }
    .topic-link:hover {
        color: var(--primary);
    }

    /* mini banner */
    .solution-band {
        position: relative;
        border-radius: 26px;
        overflow: hidden;
        padding: 56px;
        min-height: 360px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: #101B14;
        border: 1px solid var(--border);
    }
    .solution-band-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center 34%;
        opacity: .32;
    }
    .solution-content {
        position: relative;
        z-index: 1;
        max-width: 620px;
    }
    .mini-points {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-top: 28px;
    }
    .point-pill {
        background: rgba(8, 13, 10, .7);
        border: 1px solid var(--border-hover);
        padding: 12px 18px;
        border-radius: 999px;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--text);
    }
    .point-pill b {
        color: var(--primary);
        font-weight: 700;
    }

    /* service platform */
    .portal-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .portal-card {
        border: 1px solid var(--border);
        background: var(--card);
        border-radius: var(--radius);
        padding: 26px;
        min-height: 160px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: border-color .2s ease, transform .2s ease;
    }
    .portal-card:hover {
        transform: translateY(-3px);
        border-color: var(--primary);
    }
    .portal-card span {
        color: var(--primary);
        font-size: 30px;
        font-weight: 800;
    }
    .portal-card h3 {
        font-size: 18px;
        margin-top: 12px;
        margin-bottom: 4px;
        font-weight: 700;
    }
    .portal-card p {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.6;
    }

    /* contribute */
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
        margin-top: 40px;
    }
    .step-item {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 24px;
        position: relative;
    }
    .step-item .step-no {
        width: 38px;
        height: 38px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        color: #132011;
        border-radius: 12px;
        font-weight: 800;
        font-size: 16px;
        margin-bottom: 22px;
    }
    .step-item h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .step-item p {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.7;
    }
    .editor-note {
        border-left: 3px solid var(--primary);
        background: rgba(200, 252, 96, .06);
        border-radius: 0 14px 14px 0;
        padding: 18px 22px;
        font-size: 14px;
        color: var(--text-muted);
        margin-top: 28px;
        line-height: 1.8;
    }

    /* FAQ */
    .faq-wrap {
        max-width: 840px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 18px;
        transition: border-color .22s ease, background .22s;
    }
    .faq-item.open {
        border-color: rgba(200, 252, 96, .5);
        background: var(--card-2);
    }
    .faq-q {
        width: 100%;
        border: 0;
        background: none;
        color: var(--text);
        font-size: 17px;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 22px;
        text-align: left;
        cursor: pointer;
        min-height: 56px;
    }
    .faq-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1px solid var(--border-hover);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 19px;
        flex: 0 0 auto;
        transition: transform .3s ease, background .2s, border-color .2s;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: var(--primary);
        color: #132011;
        border-color: var(--primary);
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height .25s ease-out, opacity .2s ease;
    }
    .faq-a p {
        padding: 0 22px 20px;
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.8;
    }
    .faq-item.open .faq-a {
        max-height: 280px;
        opacity: 1;
    }

    /* final cta */
    .final-cta {
        position: relative;
        border-radius: 32px;
        padding: 76px;
        background: #0D1711;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        border: 1px solid var(--border);
    }
    .final-cta-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        opacity: .2;
        z-index: 0;
    }
    .final-cta .cta-content {
        position: relative;
        z-index: 1;
    }
    .final-cta h2 {
        font-size: clamp(30px, 4vw, 50px);
        font-weight: 800;
        letter-spacing: -.02em;
        line-height: 1.1;
        margin-bottom: 18px;
    }
    .final-cta p {
        color: var(--text-muted);
        max-width: 600px;
        line-height: 1.8;
    }
    .final-cta .btn {
        position: relative;
        z-index: 2;
        min-width: 180px;
    }

    /* footer */
    .site-footer {
        background: #060907;
        border-top: 1px solid var(--border);
        margin-top: 100px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
        gap: 48px;
        padding: 72px 0 48px;
    }
    .footer-brand .brand {
        margin-bottom: 18px;
    }
    .footer-brand p {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.8;
        max-width: 300px;
    }
    .footer-col h4 {
        font-size: 15px;
        color: var(--text);
        font-weight: 600;
        margin-bottom: 18px;
        letter-spacing: .02em;
    }
    .footer-col a {
        display: block;
        color: var(--text-muted);
        font-size: 14px;
        padding: 6px 0;
        transition: color .2s ease, transform .2s ease;
    }
    .footer-col a:hover {
        color: var(--primary);
        transform: translateX(4px);
    }
    .footer-bottom {
        border-top: 1px solid rgba(35, 48, 41, .8);
        padding: 22px 0;
    }
    .footer-bottom-inner {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: var(--text-faint);
    }

    /* mobile tab */
    .mobile-tabbar {
        display: none;
    }
    .float-cta {
        position: fixed;
        right: 26px;
        bottom: 26px;
        z-index: 45;
        display: none;
        align-items: center;
        gap: 10px;
    }
    .float-cta.visible {
        display: flex;
    }
    .float-cta a {
        min-height: 52px;
        padding: 0 24px;
        border-radius: 999px;
        background: var(--primary);
        color: #132011;
        font-weight: 700;
        box-shadow: 0 12px 34px rgba(200, 252, 96, .18);
        transition: transform .2s ease, opacity .2s ease;
        display: inline-flex;
        align-items: center;
    }
    .float-cta a:hover {
        transform: translateY(-2px);
    }

    @media (max-width: 1199px) {
        .brand-text small {
            display: none;
        }
        .desktop-nav {
            gap: 0;
        }
        .desktop-nav .nav-link {
            font-size: 13px;
            padding: 8px 6px;
        }
        .nav-cta {
            padding: 0 14px;
            font-size: 13px;
            margin-left: 6px;
        }
        .grid-3 {
            gap: 16px;
        }
        .steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .portal-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 1023px) {
        .desktop-nav {
            display: none;
        }
        .mobile-nav-toggle {
            display: inline-flex;
            margin-right: 6px;
        }
        .mobile-drawer {
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #0C120E;
            border-bottom: 1px solid var(--border);
            padding: 14px 20px 22px;
            transform: translateY(-12px);
            opacity: 0;
            visibility: hidden;
            transition: all .22s ease;
            max-height: calc(100vh - 70px);
            overflow-y: auto;
            z-index: 55;
        }
        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mobile-drawer a {
            padding: 12px 4px;
            color: var(--text-muted);
            font-size: 16px;
            border-bottom: 1px solid rgba(35, 48, 41, .6);
        }
        .mobile-drawer a.active {
            color: var(--primary);
        }
        .mobile-drawer .drawer-cta {
            background: var(--primary);
            color: #132011;
            text-align: center;
            border: 0;
            border-radius: 999px;
            padding: 12px 18px;
            margin-top: 16px;
            font-weight: 700;
        }
        .split-block {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .sticky-caption {
            position: static;
        }
        .solution-band {
            padding: 40px 32px;
        }
    }
    @media (max-width: 767px) {
        .section {
            padding: 68px 0;
        }
        .container {
            width: min(100% - 32px, 1200px);
        }
        .mobile-tabbar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 70;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            background: #0D1410;
            border-top: 1px solid var(--border);
            padding-bottom: env(safe-area-inset-bottom);
            min-height: 64px;
        }
        .mobile-tabbar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 10px;
            color: var(--text-faint);
            min-height: 60px;
            text-align: center;
        }
        .mobile-tabbar a.active {
            color: var(--primary);
        }
        .mobile-tabbar a svg {
            width: 18px;
            height: 18px;
            margin-bottom: 2px;
        }
        body {
            padding-bottom: 66px;
        }
        .cat-hero {
            min-height: 560px;
            padding: 120px 0 60px;
        }
        .hero-inner h1 {
            font-size: clamp(38px, 12vw, 58px);
        }
        .hero-actions .btn {
            width: 100%;
        }
        .hero-meta {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .grid-3 {
            grid-template-columns: 1fr;
        }
        .topic-row {
            grid-template-columns: 56px 1fr;
            gap: 12px;
            padding: 18px;
        }
        .topic-link {
            grid-column: 1 / -1;
        }
        .final-cta {
            flex-direction: column;
            padding: 44px 26px;
            text-align: left;
        }
        .final-cta .btn {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            padding: 56px 0 36px;
        }
        .footer-brand {
            grid-column: 1 / -1;
        }
        .footer-bottom-inner {
            flex-direction: column;
            gap: 8px;
            padding: 14px 0;
        }
        .steps,
        .portal-grid {
            grid-template-columns: 1fr;
        }
        .solution-band {
            padding: 32px 20px;
            min-height: 440px;
        }
        .mini-points {
            flex-direction: column;
            align-items: flex-start;
        }
        .float-cta {
            right: 16px;
            bottom: 88px;
        }
        .float-cta a {
            padding: 0 18px;
        }
        .section-title {
            font-size: 30px;
        }
    }

    /* motion safe */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation: none !important;
            transition: none !important;
            scroll-behavior: auto !important;
        }
        .hero-inner h1,
        .hero-inner .hero-desc,
        .hero-actions,
        .hero-meta {
            animation: none !important;
        }
    }