/* roulang page: index */
:root {
    --bg: #02070F;
    --bg-deep: #050D1A;
    --section-alt: #071124;
    --card-border: rgba(122, 170, 255, .16);
    --card-border-hover: rgba(130, 225, 255, .42);
    --glass: rgba(255, 255, 255, .04);
    --glass-light: rgba(255, 255, 255, .08);
    --line-glow: rgba(56, 220, 210, .28);
    --primary: #2E6BFF;
    --cyan: #37E2C4;
    --gold: #F7C873;
    --purple: #7B8CF0;
    --white: #FFFFFF;
    --text-body: #B6C6E3;
    --text-muted: #7D95B8;
    --radius-lg: 24px;
    --radius-md: 20px;
    --shadow-card: 0 12px 40px rgba(2, 10, 25, .45);
    --shadow-glow: 0 0 30px rgba(56, 220, 210, .22), 0 8px 30px rgba(20, 88, 255, .1);
    --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    min-height: 100vh;
    background:
      radial-gradient(900px 480px at 88% -8%, rgba(46, 107, 255, .18), transparent 60%),
      radial-gradient(700px 380px at -5% 30%, rgba(123, 140, 240, .10), transparent 55%),
      var(--bg);
    color: var(--text-body);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    padding-top: 72px;
    overflow-x: hidden;
  }

  img {
    display: block;
    max-width: 100%;
    border: 0;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .25s ease, transform .25s ease, opacity .2s ease;
  }

  button {
    font: inherit;
    cursor: pointer;
    border: 0;
    background: none;
    color: inherit;
  }

  ul, ol, menu {
    list-style: none;
  }

  h1, h2, h3, h4 {
    line-height: 1.25;
    color: var(--white);
    font-weight: 800;
    letter-spacing: -.01em;
    text-wrap: balance;
  }

  ::selection {
    background: rgba(46, 107, 255, .35);
    color: #fff;
  }

  :focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 6px;
  }

  body.menu-open {
    overflow: hidden;
  }

  .container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
  }

  .section {
    position: relative;
    padding: clamp(60px, 8vw, 110px) 0;
  }

  .section-alt {
    background: rgba(7, 17, 36, .64);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
  }

  .section-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 40px;
    max-width: 820px;
  }

  .section-head.right {
    align-items: flex-end;
    max-width: none;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(247, 200, 115, .34);
    background: rgba(247, 200, 115, .08);
    color: var(--gold);
    border-radius: 999px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
  }

  .eyebrow-cyan {
    border-color: rgba(55, 226, 196, .34);
    background: rgba(55, 226, 196, .08);
    color: var(--cyan);
  }

  .section-title {
    font-size: clamp(30px, 4.2vw, 48px);
    line-height: 1.16;
    color: #fff;
  }

  .section-copy {
    font-size: 16px;
    color: var(--text-body);
    max-width: 66ch;
  }

  .gold-line {
    width: 76px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--gold), rgba(247, 200, 115, .1));
    margin-top: 4px;
  }

  .text-gold {
    color: var(--gold) !important;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    transition: all .25s ease;
    letter-spacing: .02em;
  }

  .btn-primary {
    background: linear-gradient(135deg, #1A6DFF 0%, #32E6E0 100%);
    color: #021623;
    box-shadow: var(--shadow-glow);
  }

  .btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 0 38px rgba(56, 220, 210, .38), 0 12px 30px rgba(20, 88, 255, .16);
  }

  .btn-outline {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .24);
    color: #fff;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .45);
  }

  .btn-gold-outline {
    border: 1px solid rgba(247, 200, 115, .45);
    background: rgba(247, 200, 115, .07);
    color: var(--gold);
  }

  .btn-gold-outline:hover {
    background: rgba(247, 200, 115, .16);
    border-color: var(--gold);
    box-shadow: 0 8px 28px rgba(247, 200, 115, .2);
  }

  .btn-sm {
    min-height: 42px;
    padding: 0 22px;
    font-size: 14px;
  }

  .glass {
    background: var(--glass);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
  }

  .card-hover {
    transition: transform .25s ease, border-color .3s ease, box-shadow .3s ease;
  }

  .card-hover:hover {
    transform: translateY(-4px);
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-card), 0 0 0 1px rgba(120, 200, 255, .06) inset;
  }

  .text-muted {
    color: var(--text-muted);
  }

  .icon-dot {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: rgba(55, 226, 196, .12);
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
  }

  .badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: .03em;
    background: rgba(247, 200, 115, .13);
    color: var(--gold);
    border: 1px solid rgba(247, 200, 115, .26);
  }

  .badge-cyan {
    background: rgba(55, 226, 196, .12);
    color: var(--cyan);
    border-color: rgba(55, 226, 196, .3);
  }

  .badge-blue {
    background: rgba(74, 168, 255, .12);
    color: #9ED2FF;
    border-color: rgba(74, 168, 255, .3);
  }

  .badge-purple {
    background: rgba(123, 140, 240, .13);
    color: #B7C0FF;
    border-color: rgba(123, 140, 240, .3);
  }

  .bg-noise-grid {
    background-image:
      linear-gradient(rgba(122, 170, 255, .05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(122, 170, 255, .05) 1px, transparent 1px);
    background-size: 40px 40px;
  }

  .heat-line {
    background: linear-gradient(120deg, rgba(46, 107, 255, .5), rgba(55, 226, 196, .22));
    height: 1px;
    width: 100%;
    border: 0;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: 72px;
    background: rgba(2, 7, 15, .72);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .header-inner {
    height: 100%;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(145deg, #2456E8, #159C96);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .2) inset, 0 6px 18px rgba(46, 107, 255, .4);
    transform: rotate(-4deg);
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    font-weight: 800;
    color: #fff;
    font-size: 17px;
    line-height: 1.2;
    white-space: nowrap;
  }

  .logo-text .logo-sub {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: .04em;
    margin-top: 3px;
  }

  .main-nav {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 18px;
    border-radius: 999px;
    color: rgba(255, 255, 255, .78);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: color .2s ease, background .2s ease;
  }

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

  .nav-link.active {
    color: #fff;
    font-weight: 700;
    background: rgba(255, 255, 255, .09);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 3px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .14);
    align-items: center;
    justify-content: center;
    color: #fff;
  }

  .menu-toggle:hover {
    background: rgba(255, 255, 255, .07);
  }

  /* 移动端菜单 */
  .mobile-menu {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 49;
    padding: 92px 28px 30px;
    background: rgba(5, 11, 22, .95);
    backdrop-filter: blur(26px);
    -webkit-backdrop-filter: blur(26px);
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    border-radius: 0 0 28px 28px;
    transform: translateY(-105%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s ease, opacity .3s ease, visibility .3s ease;
  }

  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu .nav-link {
    display: flex;
    width: 100%;
    justify-content: space-between;
    border-radius: 16px;
    padding: 15px 18px;
    font-size: 18px;
    font-weight: 600;
  }

  .mobile-menu .menu-extra {
    margin-top: 24px;
    display: flex;
    gap: 12px;
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    padding: clamp(40px, 7vw, 90px) 0 60px;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    right: -6%;
    top: 4%;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46, 107, 255, .18), transparent 68%);
    pointer-events: none;
  }

  .hero::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    inset: 0;
    background: radial-gradient(600px 340px at 18% 80%, rgba(123, 140, 240, .08), transparent 60%);
    pointer-events: none;
  }

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

  .hero-copy {
    max-width: 640px;
  }

  .hero-title {
    font-size: clamp(35px, 5.4vw, 72px);
    font-weight: 900;
    letter-spacing: -.02em;
    color: #fff;
    line-height: 1.18;
    margin: 22px 0 18px;
    text-wrap: balance;
  }

  .hero-title .title-mark {
    background: linear-gradient(120deg, #fff, #A9E8F8, #F7C873);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-lead {
    font-size: clamp(18px, 2.2vw, 24px);
    color: #fff;
    font-weight: 600;
    margin-top: 12px;
    letter-spacing: .01em;
  }

  .hero-desc {
    margin-top: 18px;
    color: #A6BBD6;
    font-size: 16px;
    max-width: 54ch;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 34px;
  }

  .hero-proof {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 20px;
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid rgba(122, 170, 255, .16);
  }

  .avatar-stack {
    display: flex;
  }

  .avatar-stack span {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(140deg, #284B8E, #1E7A92);
    border: 2px solid rgba(2, 7, 15, .9);
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    margin-left: -8px;
  }

  .avatar-stack span:first-child {
    margin-left: 0;
  }

  .final-note {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    margin-top: 10px;
    font-style: normal;
  }

  /* Hero 右侧画面 */
  .hero-stage {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 20px 0;
  }

  .poster-wrap {
    position: relative;
    width: min(100%, 400px);
    aspect-ratio: 9 / 12;
    border-radius: 34px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .22);
    box-shadow: 0 40px 80px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .06) inset;
    transform: rotate(1deg);
    background: #0B1D3A;
  }

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

  .poster-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 7, 15, .05) 0%, rgba(2, 7, 15, .18) 45%, rgba(2, 7, 15, .82) 100%);
  }

  .poster-content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px;
    color: #fff;
  }

  .poster-content p {
    color: #C9DBF8;
    font-size: 13px;
    margin-top: 8px;
  }

  .float-card {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 160px;
    border-radius: 18px;
    background: rgba(9, 20, 36, .78);
    border: 1px solid rgba(255, 255, 255, .2);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    padding: 14px 18px;
    color: #fff;
    box-shadow: 0 16px 30px rgba(0, 0, 0, .35);
    animation: floaty 4s ease-in-out infinite;
  }

  .float-card .k {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 900;
  }

  .float-card small {
    display: block;
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 3px;
  }

  .float-card strong {
    color: #fff;
    font-size: 13px;
  }

  .k-red {
    background: rgba(255, 86, 120, .15);
    color: #FF6C8C;
  }

  .k-gold {
    background: rgba(247, 200, 115, .15);
    color: var(--gold);
  }

  .float-card.top-left {
    top: 42px;
    left: -20px;
  }

  .float-card.bottom-right {
    bottom: 34px;
    right: -26px;
    animation-delay: 1.2s;
  }

  @keyframes floaty {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-8px);
    }
  }

  @media (max-width: 1023px) {
    .float-card.top-left {
      left: 8px;
    }
    .float-card.bottom-right {
      right: 8px;
    }
  }

  /* ---------- 信任卖点卡 ---------- */
  .trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .trust-card {
    padding: 26px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
    background: linear-gradient(135deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .01) 46%);
    display: flex;
    gap: 18px;
    align-items: flex-start;
  }

  .trust-card .t-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    flex: 0 0 48px;
    color: var(--cyan);
    background: rgba(55, 226, 196, .1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: inset 0 0 0 1px rgba(55, 226, 196, .22);
  }

  .trust-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
  }

  .trust-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
  }

  @media (max-width: 1023px) {
    .trust-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ---------- 内容入口卡 ---------- */
  .entry-card {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 26px;
    background: #081224;
    isolation: isolate;
    transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
  }

  .entry-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
  }

  .entry-card .entry-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(2, 7, 15, .1) 0%, rgba(2, 7, 15, .2) 42%, rgba(2, 7, 15, .92) 100%);
    z-index: -1;
  }

  .entry-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border-hover);
    box-shadow: 0 18px 44px rgba(2, 10, 25, .5);
  }

  .entry-card h3 {
    font-size: 24px;
    margin: 12px 0 10px;
  }

  .entry-card p {
    font-size: 14px;
    color: #B8CEF2;
    max-width: 30ch;
  }

  .entry-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--cyan);
    font-weight: 600;
    margin-top: 20px;
    font-size: 14px;
    min-height: 38px;
  }

  .entry-link:hover {
    color: #fff;
    gap: 10px;
  }

  @media (max-width: 767px) {
    .entry-card {
      min-height: 260px;
    }
  }

  /* ---------- 截图滑动卡 ---------- */
  .slide-scroller {
    display: flex;
    gap: 22px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 8px 4px 26px;
    scrollbar-width: thin;
    scrollbar-color: rgba(55, 226, 196, .7) rgba(255, 255, 255, .07);
  }

  .slide-scroller::-webkit-scrollbar {
    height: 6px;
  }

  .slide-scroller::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, .05);
    border-radius: 20px;
  }

  .slide-scroller::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--primary), var(--cyan));
    border-radius: 20px;
  }

  .video-card {
    scroll-snap-align: start;
    min-width: 280px;
    max-width: 280px;
    border-radius: 22px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, .03);
    overflow: hidden;
    color: var(--text-body);
    transition: all .25s ease;
  }

  .video-card.featured-card {
    min-width: 330px;
    max-width: 330px;
  }

  .video-card:hover {
    transform: translateY(-7px);
    border-color: rgba(55, 226, 196, .48);
  }

  .video-media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #0E1F3A;
  }

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

  .video-card:hover .video-media img {
    transform: scale(1.06);
  }

  .play-btn {
    position: absolute;
    right: 14px;
    bottom: 14px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(2, 7, 15, .72);
    border: 1px solid rgba(255, 255, 255, .2);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    backdrop-filter: blur(8px);
    transition: all .25s ease;
  }

  .play-btn:hover {
    background: linear-gradient(135deg, #1A6DFF, #32E6E0);
    color: #011522;
  }

  .video-body {
    padding: 18px 20px 20px;
  }

  .video-body h3 {
    font-size: 15px;
    line-height: 1.5;
    color: #fff;
    font-weight: 600;
    min-height: 48px;
  }

  .video-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 12px;
  }

  .hot-badge {
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
  }

  /* ---------- 网格推荐区 ---------- */
  .pick-card {
    display: flex;
    gap: 18px;
    padding: 18px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, .035);
    align-items: center;
    transition: border-color .25s ease, background .25s ease, transform .25s ease;
  }

  .pick-card:hover {
    border-color: rgba(130, 225, 255, .4);
    background: rgba(255, 255, 255, .06);
    transform: translateY(-3px);
  }

  .pick-thumb {
    width: 120px;
    height: 92px;
    border-radius: 14px;
    flex: 0 0 auto;
    overflow: hidden;
    position: relative;
    background: #0E1F3A;
  }

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

  .pick-info {
    min-width: 0;
  }

  .pick-info h3 {
    font-size: 16px;
    color: #fff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 6px;
  }

  .pick-info p {
    font-size: 14px;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
  }

  .pick-card .more {
    margin-top: 10px;
    font-size: 13px;
    color: var(--cyan);
  }

  @media (max-width: 640px) {
    .pick-card {
      flex-direction: column;
      align-items: stretch;
    }
    .pick-thumb {
      width: 100%;
      height: 160px;
    }
  }

  /* ---------- 资讯 CMS ---------- */
  .news-wrap {
    position: relative;
    border-radius: 30px;
    background: rgba(5, 13, 26, .7);
    border: 1px solid var(--card-border);
    padding: clamp(22px, 4vw, 42px);
  }

  .news-feature {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 34px;
    align-items: center;
    padding-bottom: 36px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(122, 170, 255, .14);
  }

  .news-feature-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-radius: 22px;
    background: #081224;
    min-height: 190px;
  }

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

  .news-feature-content .news-title {
    font-size: clamp(19px, 2.6vw, 27px);
    margin-bottom: 12px;
    color: #fff;
  }

  .news-feature-content p {
    color: var(--text-muted);
    font-size: 15px;
  }

  .news-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-muted);
    font-size: 13px;
  }

  .news-list {
    display: grid;
    gap: 14px;
  }

  .news-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 16px 18px;
    border: 1px solid transparent;
    border-radius: 18px;
    background: rgba(255, 255, 255, .02);
    transition: background .2s ease, border-color .2s ease;
  }

  .news-item:hover {
    background: rgba(255, 255, 255, .055);
    border-color: var(--card-border);
  }

  .news-item .news-title {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 0 0 6px;
  }

  .news-item .news-title a:hover {
    color: var(--cyan);
  }

  .news-item p {
    color: var(--text-muted);
    font-size: 13px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-time {
    color: var(--text-muted);
    font-size: 12px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .news-empty {
    text-align: center;
    padding: 52px 20px;
    color: var(--text-muted);
    border: 1px dashed rgba(122, 170, 255, .3);
    border-radius: 20px;
  }

  .news-empty .empty-ico {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(55, 226, 196, .1);
    color: var(--cyan);
    border-radius: 50%;
    font-size: 24px;
  }

  @media (max-width: 899px) {
    .news-feature {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    .news-item {
      grid-template-columns: 1fr;
      gap: 4px;
    }
    .news-time {
      margin-top: 6px;
    }
  }

  /* ---------- 口碑 ---------- */
  .quote-card {
    border-radius: 24px;
    padding: 28px;
    background: linear-gradient(150deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--gold);
    height: 100%;
    transition: border-color .25s ease, transform .25s ease;
  }

  .quote-card:hover {
    border-color: rgba(247, 200, 115, .35);
    transform: translateY(-4px);
    box-shadow: 0 16px 38px rgba(2, 10, 25, .4);
  }

  .quote-card blockquote {
    font-size: 15px;
    line-height: 1.8;
    color: #C7D7EF;
  }

  .quote-person {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(122, 170, 255, .16);
  }

  .person-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(145deg, #1A4FA0, #179B8F);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: #fff;
  }

  .quote-person strong {
    color: #fff;
    font-size: 14px;
  }

  .quote-person small {
    color: var(--text-muted);
    font-size: 12px;
  }

  /* ---------- 下载 CTA ---------- */
  .cta-panel {
    position: relative;
    border-radius: 32px;
    overflow: hidden;
    padding: clamp(35px, 6vw, 72px);
    background: #060F1E;
    border: 1px solid rgba(122, 170, 255, .2);
    isolation: isolate;
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    align-items: center;
  }

  .cta-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
      radial-gradient(400px 240px at 78% 20%, rgba(55, 226, 196, .18), transparent 65%),
      linear-gradient(120deg, rgba(11, 29, 58, .96), rgba(3, 13, 29, .9));
  }

  .cta-panel::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 52%;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: .45;
    z-index: -1;
    mask-image: linear-gradient(90deg, transparent, #000 70%);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 70%);
  }

  .cta-panel h2 {
    font-size: clamp(28px, 4vw, 46px);
    color: #fff;
    max-width: 14ch;
  }

  .cta-panel p {
    color: var(--text-body);
    margin: 16px 0 0;
    font-size: 15px;
    max-width: 44ch;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
  }

  .cta-side {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .qr-box {
    display: flex;
    align-items: center;
    gap: 18px;
    background: rgba(2, 7, 15, .5);
    border: 1px solid rgba(255, 255, 255, .12);
    padding: 18px 14px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    color: #fff;
    max-width: 340px;
  }

  .qr-placeholder {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    background: #fff;
    color: #02070F;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
  }

  .online-count {
    color: var(--gold);
    font-weight: 600;
    font-size: 15px;
  }

  @media (max-width: 899px) {
    .cta-panel {
      grid-template-columns: 1fr;
    }
    .cta-panel::after {
      width: 100%;
      opacity: .3;
    }
  }

  /* ---------- 常见问题 FAQ ---------- */
  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .faq-card {
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, .03);
    border-radius: 20px;
    overflow: hidden;
    transition: background .2s ease, border-color .2s ease;
  }

  .faq-card:hover {
    background: rgba(255, 255, 255, .05);
  }

  .faq-card summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.5;
    -webkit-tap-highlight-color: transparent;
  }

  .faq-card summary::-webkit-details-marker {
    display: none;
  }

  .faq-card summary::after {
    content: '+';
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--cyan);
    background: rgba(55, 226, 196, .1);
    border: 1px solid rgba(55, 226, 196, .2);
    transition: transform .25s ease, background .2s ease;
  }

  .faq-card[open] {
    border-color: rgba(130, 225, 255, .4);
  }

  .faq-card[open] summary {
    border-left: 3px solid var(--cyan);
    background: rgba(55, 226, 196, .05);
  }

  .faq-card[open] summary::after {
    content: '−';
    transform: rotate(90deg);
    background: var(--cyan);
    color: #021622;
  }

  .faq-card .faq-answer {
    padding: 0 28px 26px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.85;
  }

  @media (max-width: 899px) {
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    border-top: 1px solid var(--card-border);
    background: #030A14;
    padding: 70px 0 26px;
    color: var(--text-muted);
    font-size: 14px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 44px;
  }

  .footer-brand {
    max-width: 320px;
  }

  .footer-brand p {
    margin-top: 22px;
    font-size: 14px;
    line-height: 1.8;
  }

  .footer-col h4 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: .03em;
  }

  .footer-col ul {
    display: grid;
    gap: 12px;
  }

  .footer-col a {
    color: var(--text-muted);
    font-size: 14px;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(122, 170, 255, .12);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 16px 40px;
    font-size: 13px;
  }

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

  .age-line {
    border-radius: 14px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    padding: 14px 18px;
    margin-top: 30px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--text-muted);
  }

  @media (max-width: 1023px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
  }

  @media (max-width: 767px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }
  }

  /* ---------- 响应式细节 ---------- */
  @media (max-width: 1199px) {
    .header-inner {
      gap: 18px;
    }
    .main-nav .nav-link {
      padding: 0 13px;
    }
  }

  @media (max-width: 1023px) {
    body {
      padding-top: 64px;
    }
    .site-header {
      height: 64px;
    }
    .header-inner {
      grid-template-columns: 1fr auto;
    }
    .main-nav {
      display: none;
    }
    .menu-toggle {
      display: inline-flex;
    }
    .header-actions .btn-sm {
      display: none;
    }
    .hero {
      min-height: auto;
    }
    .hero-grid {
      display: flex;
      flex-direction: column;
      gap: 48px;
    }
  }

  @media (max-width: 640px) {
    .section-head.right {
      align-items: flex-start;
      flex-direction: column;
    }
    .hero-actions .btn {
      flex: 1 1 46%;
      padding: 0 14px;
    }
    .trust-card {
      padding: 22px;
      flex-direction: column;
    }
    .section-copy {
      font-size: 15px;
    }
    .news-wrap {
      padding: 20px;
    }
    .cta-actions .btn {
      width: 100%;
    }
  }

/* roulang page: article */
:root {
  --bg: #02070F;
  --bg-soft: #071124;
  --bg-deep: #050D1A;
  --primary: #2E6BFF;
  --primary-hover: #4AA8FF;
  --glow-cyan: #3BE0C5;
  --accent-gold: #F7C873;
  --accent-violet: #7B8CF0;
  --text-main: #FFFFFF;
  --text-body: #B6C6E3;
  --text-muted: #7890B6;
  --border-main: rgba(122,170,255,.16);
  --border-hover: rgba(130,225,255,.42);
  --card-bg: rgba(255,255,255,.04);
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-card: 0 12px 40px rgba(2,10,25,.5);
  --shadow-glow: 0 0 30px rgba(56,220,210,.28), 0 8px 30px rgba(20,88,255,.12);
  --font-sans: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text-body);line-height:1.75;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;top:-220px;left:50%;transform:translateX(-50%);width:1200px;height:600px;background:radial-gradient(ellipse at center,rgba(46,107,255,.12),transparent 65%);pointer-events:none;z-index:0}
body::after{content:"";position:fixed;bottom:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,rgba(59,224,197,.05),transparent 65%);pointer-events:none;z-index:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}

.global-header{position:sticky;top:0;z-index:50;background:rgba(2,7,15,.76);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;color:#fff;background:linear-gradient(135deg,#1A6DFF,#37E2C4);box-shadow:0 0 18px rgba(55,226,196,.28);transform:rotate(-6deg)}
.logo-text{white-space:nowrap;font-weight:800;font-size:17px;letter-spacing:.02em;color:#fff;display:flex;flex-direction:column;line-height:1.2}
.logo-sub{font-size:11px;font-weight:500;color:var(--text-muted);letter-spacing:.18em;line-height:1.2;margin-top:2px}
.header-space{flex:1}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.72);padding:10px 16px;border-radius:999px;transition:all .25s ease;display:inline-flex;align-items:center}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.active{color:#fff;background:rgba(255,255,255,.1);font-weight:600}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-trigger{width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);transition:all .25s ease}
.search-trigger:hover{color:#fff;border-color:var(--border-hover)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:999px;align-items:center;justify-content:center;color:#fff;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#1A6DFF,#32E6E0);color:#061016;font-size:15px;font-weight:700;border-radius:14px;padding:13px 24px;border:0;transition:all .3s ease;box-shadow:0 4px 16px rgba(26,109,255,.22)}
.btn-primary:hover{filter:brightness(1.1);box-shadow:var(--shadow-glow);transform:translateY(-1px)}
.btn-primary:focus-visible{outline:2px solid var(--glow-cyan);outline-offset:2px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:15px;font-weight:600;border-radius:14px;padding:13px 24px;transition:all .3s ease;}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:var(--border-hover)}
.btn-sm{padding:9px 17px;font-size:14px;border-radius:11px}
.btn-gold{display:inline-flex;align-items:center;gap:8px;background:rgba(247,200,115,.14);border:1px solid rgba(247,200,115,.34);color:var(--accent-gold);padding:12px 22px;border-radius:14px;font-weight:700;transition:all .3s}
.btn-gold:hover{background:rgba(247,200,115,.22);border-color:var(--accent-gold)}

.badge-gold{display:inline-flex;align-items:center;gap:8px;background:rgba(247,200,115,.14);border:1px solid rgba(247,200,115,.32);color:var(--accent-gold);border-radius:999px;font-size:13px;font-weight:600;padding:6px 14px}
.badge-cyan{display:inline-flex;align-items:center;gap:8px;background:rgba(59,224,197,.12);border:1px solid rgba(59,224,197,.28);color:var(--glow-cyan);border-radius:999px;font-size:13px;font-weight:600;padding:6px 14px}
.glass-card{background:var(--card-bg);border:1px solid var(--border-main);border-radius:var(--radius-lg);backdrop-filter:blur(12px);box-shadow:var(--shadow-card)}
.text-gold{color:var(--accent-gold)}
.text-cyan{color:var(--glow-cyan)}

.section-title{font-size:clamp(28px,4vw,42px);color:#fff;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--accent-gold);text-transform:uppercase;margin-bottom:12px}
.section-sub{max-width:600px;color:var(--text-muted);font-size:16px;margin-top:14px}

/* Article Hero */
.article-hero{position:relative;padding:70px 0 40px;margin-top:0;overflow:hidden;background:linear-gradient(180deg,rgba(2,7,15,.88) 10%,rgba(7,17,36,.94) 100%),url('/assets/images/backpic/back-1.png') center/cover}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:70px;background:linear-gradient(to bottom,transparent,var(--bg));z-index:1}
.article-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);margin-bottom:22px}
.breadcrumb a{color:var(--text-muted);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;color:#5a719a}
.breadcrumb span{color:rgba(255,255,255,.85);font-weight:600}
.article-title{font-size:clamp(30px,5vw,52px);color:#fff;font-weight:900;line-height:1.26;letter-spacing:-.025em;max-width:900px;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:14px}
.meta-item{display:inline-flex;align-items:center;gap:8px;color:#9fb2d0;font-size:13px}
.meta-item i{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(122,170,255,.1);color:var(--glow-cyan);font-size:12px}
.article-cover{margin-top:32px;max-width:1040px;border-radius:20px;overflow:hidden;border:1px solid rgba(122,170,255,.16);box-shadow:0 24px 70px rgba(2,10,25,.7);position:relative;z-index:2}
.article-cover img{width:100%;height:450px;object-fit:cover}
@media(max-width:768px){.article-cover img{height:250px}}

/* Article content */
.article-content{position:relative;z-index:2;padding:56px 0 32px}
.article-prose{max-width:780px;margin:0 auto;font-size:16px;line-height:2.05;color:#C4D0E6}
.article-prose p{margin:0 0 1.6em}
.article-prose strong{color:#fff;font-weight:700}
.article-prose em{color:#E4EBF7}
.article-prose h2{font-size:1.7rem;line-height:1.5;color:#fff;font-weight:800;margin:2.2em 0 1em;padding-left:16px;border-left:4px solid var(--accent-gold);letter-spacing:-.02em}
.article-prose h3{font-size:1.35rem;line-height:1.5;color:#fff;font-weight:700;margin:1.8em 0 .8em}
.article-prose a{color:#79C9FF;border-bottom:1px solid rgba(121,201,255,.35);transition:all .2s}
.article-prose a:hover{color:#fff;border-color:#fff}
.article-prose ul,.article-prose ol{margin:0 0 1.6em;padding-left:1.4em}
.article-prose ul li{margin-bottom:.7em;list-style:disc}
.article-prose ol li{margin-bottom:.7em;list-style:decimal}
.article-prose img{border-radius:18px;overflow:hidden;margin:2em auto;box-shadow:0 16px 44px rgba(2,10,25,.6);border:1px solid rgba(122,170,255,.1)}
.article-prose blockquote{border-radius:4px 18px 18px 4px;background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(46,107,255,.08));border-left:4px solid var(--primary);padding:20px 26px;color:#Dbe6f8;margin:1.8em 0}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose table{width:100%;border-collapse:collapse;margin:2em 0;border-radius:14px;overflow:hidden}
.article-prose th,.article-prose td{padding:12px 16px;border:1px solid rgba(122,170,255,.16);text-align:left;font-size:15px}
.article-prose th{background:rgba(46,107,255,.08);color:#fff;font-weight:700}
.article-prose pre{background:rgba(0,0,0,.4);border:1px solid rgba(122,170,255,.14);padding:20px;border-radius:16px;overflow-x:auto;color:#c9e2ff;margin:1.8em 0;font-size:14px;line-height:1.7}
.article-prose hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(122,170,255,.35),transparent);margin:3rem 0}

.article-notice{max-width:780px;margin:34px auto 0;background:rgba(247,200,115,.06);border:1px solid rgba(247,200,115,.24);border-radius:18px;padding:22px 26px;display:flex;gap:16px;align-items:flex-start;color:#D9C29B;font-size:14px;line-height:1.8}
.article-notice i{font-size:22px;color:var(--accent-gold);margin-top:3px}
.article-notice strong{color:var(--accent-gold)}

/* Not found */
.notfound-wrap{min-height:420px;display:flex;align-items:center;justify-content:center;padding:80px 0}
.empty-card{max-width:560px;padding:56px 40px;text-align:center;background:rgba(255,255,255,.03);border:1px solid rgba(122,170,255,.14)}
.empty-card h1{font-size:26px;color:#fff;margin:18px 0 10px}
.empty-card i{font-size:44px;color:var(--glow-cyan);opacity:.8}
.empty-card p{color:var(--text-muted);margin-bottom:26px}

/* Pager */
.pager-bar{position:relative;z-index:2;padding:0 0 24px}
.pager-inner{max-width:780px;margin:0 auto;display:flex;align-items:center;gap:12px;justify-content:space-between}
@media(max-width:640px){.pager-inner{flex-direction:column;align-items:stretch}}

/* Related */
.related{position:relative;z-index:2;padding:70px 0}
.related-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:34px;gap:18px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{position:relative;background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.15);border-radius:20px;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;display:block}
.related-card:hover{transform:translateY(-6px);border-color:rgba(130,225,255,.4);box-shadow:0 18px 48px rgba(6,30,70,.5)}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0B1D3A,#030D1D)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-info{padding:20px 22px 22px}
.related-info h3{font-size:16px;line-height:1.6;color:#fff;font-weight:700}
.related-info p{margin-top:8px;font-size:13px;color:var(--text-muted);line-height:1.75}
.related-tag{margin-bottom:12px;display:inline-block;font-size:12px;color:var(--glow-cyan);background:rgba(59,224,197,.1);border-radius:999px;padding:4px 12px}
@media(max-width:1024px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.related-grid{grid-template-columns:1fr}}

/* CTA */
.cta-block{position:relative;z-index:2;padding:40px 0 78px}
.cta-panel{background:radial-gradient(circle at 80% 15%,rgba(59,224,197,.1),transparent 42%),linear-gradient(135deg,#0B1D3A,#030D1D);border:1px solid rgba(122,170,255,.24);border-radius:28px;overflow:hidden;padding:50px 36px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;box-shadow:0 24px 80px rgba(2,10,25,.6)}
.cta-copy h2{font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.02em;line-height:1.35;color:#fff}
.cta-copy p{color:#8ea7cf;margin-top:14px;font-size:15px;line-height:2}
.cta-stats{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.cta-stat b{display:block;font-size:24px;font-weight:900;color:#fff;letter-spacing:-.02em}
.cta-stat span{font-size:12px;color:var(--text-muted)}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.cta-visual{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(130,225,255,.2);min-height:240px}
.cta-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 10%,rgba(2,7,15,.7) 100%)}
.cta-float{position:absolute;right:18px;bottom:18px;z-index:1;background:rgba(2,7,15,.78);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:14px 18px}
.cta-float span{font-size:13px;color:var(--text-muted);display:block}
.cta-float b{font-size:22px;color:var(--accent-gold);font-weight:800;line-height:1.3}
@media(max-width:1024px){.cta-panel{grid-template-columns:1fr}.cta-visual{min-height:220px}}
@media(max-width:640px){.cta-panel{padding:30px 20px}.cta-btns .btn-primary,.cta-btns .btn-secondary{width:100%}}

/* FAQ */
.faq-section{position:relative;z-index:2;padding:30px 0 80px}
.faq-inner{max-width:860px;margin:0 auto}
.faq-list{margin-top:38px;display:flex;flex-direction:column;gap:14px}
.faq-item{background:rgba(255,255,255,.035);border:1px solid rgba(122,170,255,.15);border-radius:16px;overflow:hidden;transition:border-color .3s,background .3s}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;cursor:pointer;color:#fff;font-size:15px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:#7890B6;transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--accent-gold)}
.faq-item:hover{border-color:rgba(130,225,255,.35)}
.faq-item[open]{background:rgba(247,200,115,.04);border-color:rgba(247,200,115,.3)}
.faq-a{padding:0 22px 20px;color:var(--text-body);font-size:14px;line-height:1.9}
.faq-a strong{color:#fff}
.faq-a a{color:#79C9FF}
.faq-bottom{text-align:center;margin-top:34px;font-size:14px;color:var(--text-muted)}
.faq-bottom a{color:#79C9FF}

/* Footer */
.site-footer{position:relative;z-index:2;background:#030C18;border-top:1px solid rgba(122,170,255,.1);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:36px}
.footer-brand .logo{margin-bottom:20px}
.footer-brand p{color:#7590b3;font-size:13px;line-height:2;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:#7f97b9;font-size:13px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;color:#5E7CA8;font-size:13px;padding:20px 0;border-top:1px solid rgba(122,170,255,.12)}
.footer-bottom a{color:#7890B6;transition:color .2s}
.footer-bottom a:hover{color:var(--glow-cyan)}
.age-line{margin-top:18px;background:rgba(247,200,115,.05);border:1px solid rgba(247,200,115,.12);border-radius:12px;padding:16px 20px;font-size:12px;line-height:1.9;color:#8c7a5c;text-align:center;margin-bottom:30px}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:32px}}

/* Mobile nav */
@media(max-width:1024px){
.menu-toggle{display:inline-flex}
.main-nav{position:absolute;top:76px;left:12px;right:12px;background:rgba(3,10,25,.98);border:1px solid rgba(122,170,255,.2);border-radius:18px;padding:18px;flex-direction:column;align-items:stretch;gap:8px;display:none;box-shadow:0 24px 60px rgba(0,0,0,.6);backdrop-filter:blur(24px)}
.nav-open .main-nav{display:flex}
.nav-link{padding:13px 16px}
.header-inner{height:70px}
.article-hero{padding:50px 0 30px}
.logo-text{font-size:15px}
.logo-mark{width:36px;height:36px;font-size:18px}
}
@media(max-width:440px){
.logo-text{max-width:170px;white-space:normal}
.search-trigger{display:none}
.container{padding-left:16px;padding-right:16px}
}

/* roulang page: category1 */
:root {
    --bg: #02070f;
    --bg-2: #071124;
    --bg-3: #0a1a2f;
    --panel: rgba(255, 255, 255, 0.045);
    --panel-strong: rgba(255, 255, 255, 0.08);
    --border: rgba(122, 170, 255, 0.16);
    --border-strong: rgba(130, 225, 255, 0.42);
    --brand: #2E6BFF;
    --brand-cyan: #32E6E0;
    --accent: #F7C873;
    --purple: #7B8CF0;
    --white: #ffffff;
    --body: #B6C6E3;
    --muted: #7890B6;
    --danger-glow: rgba(56, 220, 210, 0.28);
    --radius-lg: 24px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--body);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  .container {
    width: min(1240px, 100% - 48px);
    margin-inline: auto;
  }

  .container-narrow {
    width: min(820px, 100% - 40px);
    margin-inline: auto;
  }

  .section {
    padding: 100px 0;
    position: relative;
    scroll-margin-top: 90px;
  }

  .section-alt {
    background: linear-gradient(180deg, rgba(7, 17, 36, 0.2) 0%, rgba(4, 13, 27, 0.9) 100%);
  }

  .section-tight {
    padding: 72px 0 56px;
  }

  .section-head {
    max-width: 740px;
    margin-bottom: 48px;
  }

  .section-head.center {
    margin-inline: auto;
    text-align: center;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(247, 200, 115, 0.35);
    background: rgba(247, 200, 115, 0.08);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
    font-weight: 600;
  }

  .section-title {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.18;
    color: #fff;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
  }

  .section-lead {
    color: var(--body);
    font-size: 16px;
    margin: 0;
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 80;
    background: rgba(2, 7, 15, 0.74);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(122, 170, 255, 0.1);
  }

  .site-header .header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 74px;
    width: min(1240px, 100% - 48px);
    margin-inline: auto;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex-shrink: 0;
  }

  .logo-mark {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 19px;
    font-weight: 900;
    color: #E8F6FF;
    background: linear-gradient(140deg, #1A6DFF, #32E6E0);
    box-shadow: 0 0 24px rgba(46, 178, 235, 0.25), inset 0 0 0 1px rgba(255, 255, 255, 0.18);
    transform: rotate(-4deg);
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    color: #fff;
    font-weight: 800;
    font-size: 17px;
    line-height: 1.2;
    white-space: nowrap;
  }

  .logo-sub {
    font-size: 11px;
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 0.06em;
    margin-top: 3px;
  }

  .main-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 15px;
    font-weight: 500;
    transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
  }

  .nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    box-shadow: inset 0 0 0 1px rgba(130, 225, 255, 0.16);
  }

  .nav-cta {
    margin-left: 8px;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    color: #fff;
  }

  .nav-toggle span {
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 99px;
    display: block;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

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

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

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 14px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    border: 0;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border 0.25s ease;
    white-space: nowrap;
    min-height: 48px;
  }

  .btn-primary {
    background: linear-gradient(92deg, #1A6DFF 0%, #32E6E0 100%);
    color: #031621;
    box-shadow: 0 0 24px rgba(56, 220, 210, 0.18), 0 8px 30px rgba(20, 88, 255, 0.12);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(56, 220, 210, 0.3), 0 12px 30px rgba(20, 88, 255, 0.18);
    filter: brightness(1.05);
  }

  .btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.96);
  }

  .btn-outline {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(8px);
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.32);
    color: #fff;
    transform: translateY(-2px);
  }

  .btn-sm {
    padding: 10px 18px;
    font-size: 14px;
    min-height: 40px;
    border-radius: 12px;
  }

  .btn-lg {
    min-height: 56px;
    padding: 16px 36px;
    font-size: 16px;
    border-radius: 16px;
  }

  .category-hero {
    position: relative;
    min-height: 640px;
    padding: 170px 0 100px;
    display: flex;
    align-items: center;
    overflow: hidden;
  }

  .category-hero .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image: linear-gradient(100deg, rgba(2, 7, 15, 0.98) 0%, rgba(4, 12, 28, 0.9) 48%, rgba(6, 18, 38, 0.7) 100%), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center 32%;
    background-repeat: no-repeat;
  }

  .category-hero .hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 78% 50%, rgba(68, 128, 255, 0.16) 0%, transparent 40%);
  }

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

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(247, 200, 115, 0.1);
    border: 1px solid rgba(247, 200, 115, 0.34);
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 22px;
  }

  .hero-badge i {
    font-size: 13px;
  }

  .category-hero h1 {
    color: #fff;
    font-size: clamp(38px, 5.5vw, 64px);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.03em;
    max-width: 800px;
    margin: 0 0 24px;
  }

  .category-hero h1 .accent-text {
    background: linear-gradient(90deg, #80D2FF, var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .category-hero .hero-description {
    max-width: 680px;
    color: #B9CBEA;
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 34px;
  }

  .category-hero .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
  }

  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-tags .mini-tag {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .mini-tag .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand-cyan);
    box-shadow: 0 0 12px rgba(50, 230, 224, 0.8);
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 22px;
  }

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

  .breadcrumb a:hover {
    color: #fff;
  }

  .breadcrumb i {
    font-size: 12px;
    color: var(--muted);
  }

  .glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.025) 50%, rgba(50, 230, 224, 0.03) 100%);
    border: 1px solid rgba(122, 170, 255, 0.14);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
  }

  .glass-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  }

  .glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(130, 225, 255, 0.4);
    box-shadow: 0 20px 44px rgba(3, 12, 30, 0.5), inset 0 0 0 1px rgba(120, 200, 255, 0.08);
  }

  .glass-card .card-inner {
    padding: 30px 28px;
  }

  .result-symbol {
    font-size: 32px;
    font-weight: 900;
    width: 62px;
    height: 62px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    margin-bottom: 22px;
    font-family: "JetBrains Mono", var(--font-sans);
    letter-spacing: -0.03em;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  }

  .result-symbol.gold {
    color: #FFE5A3;
    background: linear-gradient(150deg, rgba(247, 200, 115, 0.22), rgba(247, 200, 115, 0.04));
  }

  .result-symbol.blue {
    color: #9AD3FF;
    background: linear-gradient(150deg, rgba(46, 107, 255, 0.25), rgba(46, 107, 255, 0.04));
  }

  .result-symbol.cyan {
    color: #91FFF1;
    background: linear-gradient(150deg, rgba(50, 230, 224, 0.2), rgba(50, 230, 224, 0.03));
  }

  .card-title {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    margin: 0 0 12px;
    letter-spacing: -0.01em;
  }

  .card-text {
    margin: 0;
    color: var(--body);
    font-size: 15px;
    line-height: 1.85;
  }

  .stat-card {
    padding: 28px 24px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(122, 170, 255, 0.12);
    transition: background 0.3s ease, border-color 0.3s ease;
  }

  .stat-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(130, 225, 255, 0.35);
  }

  .stat-value {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.03em;
    font-family: "JetBrains Mono", var(--font-sans);
    line-height: 1.1;
  }

  .stat-label {
    color: var(--muted);
    font-size: 14px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(122, 170, 255, 0.12);
  }

  .step-card {
    position: relative;
    padding: 30px 28px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(122, 170, 255, 0.13);
    height: 100%;
    transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
  }

  .step-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(130, 225, 255, 0.4);
    transform: translateY(-3px);
  }

  .step-num {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: rgba(50, 230, 224, 0.1);
    color: var(--brand-cyan);
    border-radius: 16px;
    font-weight: 800;
    font-size: 19px;
    font-family: "JetBrains Mono", var(--font-sans);
    margin-bottom: 22px;
    box-shadow: inset 0 0 0 1px rgba(50, 230, 224, 0.22);
  }

  .blue-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(46, 107, 255, 0.14);
    border: 1px solid rgba(96, 165, 255, 0.3);
    color: #A8D3FF;
    font-size: 13px;
    font-weight: 500;
  }

  .purple-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(123, 140, 240, 0.14);
    border: 1px solid rgba(160, 170, 255, 0.24);
    color: #BFC8FF;
    font-size: 13px;
    font-weight: 500;
  }

  .table-wrap {
    overflow-x: auto;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }

  .table-wrap table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 15px;
  }

  .table-wrap thead {
    background: rgba(9, 24, 48, 0.9);
    border-bottom: 1px solid var(--border);
  }

  .table-wrap th {
    padding: 18px 22px;
    text-align: left;
    color: #D7E5FF;
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
  }

  .table-wrap td {
    padding: 18px 22px;
    color: var(--body);
    border-bottom: 1px solid rgba(122, 170, 255, 0.08);
    vertical-align: top;
  }

  .table-wrap tbody tr {
    transition: background 0.2s ease;
  }

  .table-wrap tbody tr:last-child td {
    border-bottom: 0;
  }

  .table-wrap tbody tr:hover {
    background: rgba(46, 107, 255, 0.08);
  }

  .table-wrap td strong {
    color: #E9F3FF;
    font-weight: 600;
  }

  .table-tag {
    color: #9AD3FF;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .media-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(122, 170, 255, 0.12);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
  }

  .media-card:hover {
    transform: translateY(-5px);
    border-color: rgba(130, 225, 255, 0.42);
    box-shadow: 0 18px 40px rgba(3, 12, 30, 0.55);
  }

  .media-card .media-pic {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    position: relative;
  }

  .media-card .media-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
  }

  .media-card:hover .media-pic img {
    transform: scale(1.04);
  }

  .media-pic::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(2, 9, 21, 0.88) 100%);
    pointer-events: none;
  }

  .media-card .media-body {
    padding: 22px 24px 24px;
  }

  .media-card .media-title {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 10px;
  }

  .media-card .media-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    align-items: center;
    flex-wrap: wrap;
  }

  .media-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-cyan);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s ease, gap 0.2s ease;
  }

  .media-link:hover {
    color: #fff;
    gap: 12px;
  }

  .faq-panel {
    max-width: 860px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  details.faq-item {
    border: 1px solid var(--border);
    border-left: 3px solid rgba(122, 170, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
    border-radius: 20px;
    transition: border 0.3s ease, background 0.3s ease;
  }

  details.faq-item[open] {
    border-left-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
  }

  details.faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    padding: 22px 24px;
    font-size: 17px;
    font-weight: 600;
    color: #DCEAFF;
    cursor: pointer;
    user-select: none;
    line-height: 1.5;
  }

  details.faq-item summary::-webkit-details-marker {
    display: none;
  }

  details.faq-item .faq-arrow {
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    font-size: 20px;
  }

  details.faq-item[open] .faq-arrow {
    transform: rotate(45deg);
  }

  details.faq-item .faq-answer {
    padding: 0 26px 26px;
    color: var(--body);
    font-size: 15px;
    line-height: 1.9;
    max-width: 780px;
  }

  details.faq-item .faq-answer p {
    margin: 0 0 12px;
  }

  details.faq-item .faq-answer p:last-child {
    margin-bottom: 0;
  }

  .cta-panel {
    position: relative;
    border-radius: 32px;
    padding: 64px;
    background: linear-gradient(115deg, #06132B 0%, #0A1E3D 40%, #071124 100%), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 15%, rgba(247, 200, 115, 0.14) 0%, transparent 32%), radial-gradient(circle at 0% 100%, rgba(50, 230, 224, 0.08) 0%, transparent 42%);
  }

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

  .cta-content {
    max-width: 640px;
  }

  .cta-content h2 {
    font-size: clamp(28px, 4vw, 44px);
    color: #fff;
    line-height: 1.25;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0 0 16px;
  }

  .cta-content p {
    font-size: 16px;
    color: #B6C6E3;
    line-height: 1.9;
    margin-bottom: 30px;
  }

  .cta-icons {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    margin-top: 32px;
    color: var(--muted);
    font-size: 13px;
    align-items: center;
  }

  .cta-icons span {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .cta-icons i {
    color: var(--accent);
  }

  .play-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 17px;
    flex-shrink: 0;
    transition: all 0.3s ease;
  }

  .play-btn:hover {
    background: rgba(50, 230, 224, 0.2);
    border-color: var(--brand-cyan);
    transform: scale(1.06);
  }

  .site-footer {
    background: #050D18;
    border-top: 1px solid rgba(122, 170, 255, 0.12);
    padding: 76px 0 32px;
    margin-top: 80px;
  }

  .site-footer .container {
    max-width: 1240px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(122, 170, 255, 0.1);
  }

  .footer-brand p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
    margin: 22px 0 0;
    max-width: 340px;
  }

  .footer-brand .logo {
    margin-right: auto;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 20px;
    letter-spacing: 0.02em;
  }

  .footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .footer-col ul a {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-flex;
  }

  .footer-col ul a:hover {
    color: #fff;
    transform: translateX(3px);
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px 24px;
    color: #5C7391;
    font-size: 13px;
    padding-top: 24px;
  }

  .footer-bottom a {
    color: #7890B6;
  }

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

  .age-line {
    margin-top: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(122, 170, 255, 0.1);
    padding: 14px 16px;
    font-size: 13px;
    color: #607697;
    line-height: 1.8;
    text-align: center;
  }

  .section-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(122, 170, 255, 0.18), transparent);
    margin: 0;
  }

  :focus-visible {
    outline: 2px solid var(--brand-cyan);
    outline-offset: 4px;
    border-radius: 8px;
  }

  @media (max-width: 1100px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
  }

  @media (max-width: 1023px) {
    .section {
      padding: 72px 0;
    }

    .category-hero {
      padding: 140px 0 80px;
      min-height: 540px;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .main-nav {
      margin-left: 0;
      position: fixed;
      top: 74px;
      right: 16px;
      left: 16px;
      z-index: 90;
      background: rgba(4, 12, 25, 0.97);
      border: 1px solid var(--border);
      border-radius: 24px;
      box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
      flex-direction: column;
      align-items: stretch;
      padding: 16px;
      gap: 6px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }

    body.nav-open .main-nav {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .main-nav .nav-link {
      padding: 13px 16px;
      font-size: 16px;
      border-radius: 14px;
    }

    .nav-cta {
      display: none;
    }

    .cta-panel {
      padding: 40px 28px;
    }
  }

  @media (max-width: 767px) {
    .container {
      width: min(100% - 28px, 100%);
    }

    .site-header .header-inner {
      width: min(100% - 28px, 100%);
      gap: 12px;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      font-size: 17px;
      border-radius: 12px;
    }

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

    .category-hero {
      padding: 132px 0 64px;
      min-height: auto;
    }

    .category-hero h1 {
      font-size: clamp(32px, 10vw, 44px);
    }

    .category-hero .hero-description {
      font-size: 15px;
      line-height: 1.8;
    }

    .hero-actions {
      flex-direction: column;
    }

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

    .section {
      padding: 60px 0;
    }

    .section-head {
      margin-bottom: 32px;
    }

    .cta-panel {
      padding: 32px 20px;
      border-radius: 24px;
    }

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

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

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }

    .footer-brand p {
      max-width: 100%;
    }

    .age-line {
      margin-top: 16px;
    }

    .glass-card .card-inner {
      padding: 24px;
    }

    .cta-icons {
      gap: 14px;
    }
  }

  @media (max-width: 520px) {
    .stat-card {
      padding: 20px;
    }

    .step-card {
      padding: 22px;
    }
  }

/* roulang page: category2 */
:root {
    --bg: #02070f;
    --bg-2: #071124;
    --bg-3: #050d1a;
    --card-bg: rgba(255,255,255,0.04);
    --border: rgba(122,170,255,0.16);
    --border-hover: rgba(130,225,255,0.42);
    --text: #ffffff;
    --muted: #b6c6e3;
    --muted-2: #7890b6;
    --primary: #2e6bff;
    --primary-2: #4aa8ff;
    --cyan: #3be0c5;
    --gold: #f7c873;
    --purple: #7b8cf0;
    --r-lg: 24px;
    --r-md: 20px;
    --header-h: 76px;
    --shadow-card: 0 12px 40px rgba(2,10,25,0.5);
    --shadow-glow: 0 0 30px rgba(56,220,210,0.28), 0 8px 30px rgba(20,88,255,0.12);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--muted);
    font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  button { background: none; border: 0; color: inherit; cursor: pointer; }
  section { scroll-margin-top: calc(var(--header-h) + 20px); }
  .container { width: min(1240px, calc(100% - 48px)); margin-inline: auto; }
  .section { padding-block: 92px; position: relative; }
  .section-alt { background: linear-gradient(180deg, var(--bg-3) 0%, var(--bg) 100%); }

  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 60;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: rgba(2,7,15,0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: var(--header-h);
  }
  .logo { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
  .logo-mark {
    width: 46px; height: 46px;
    border-radius: 14px;
    background: linear-gradient(145deg, #1a6dff, #32e6e0);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 23px;
    box-shadow: 0 0 26px rgba(46,107,255,0.36);
    position: relative;
    flex: none;
  }
  .logo-text { display: inline-flex; flex-direction: column; line-height: 1.2; color: var(--text); }
  .logo-text strong, .logo-name { font-size: 17px; font-weight: 800; letter-spacing: 0.01em; color: #fff; }
  .logo-sub { color: var(--muted-2); font-size: 11px; letter-spacing: 0.02em; }
  .main-nav { display: flex; align-items: center; justify-content: center; gap: 8px; }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 7px 16px;
    border-radius: 999px;
    color: rgba(255,255,255,0.78);
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  }
  .nav-link:hover { color: #fff; background: rgba(255,255,255,0.06); }
  .nav-link.active { color: #fff; background: rgba(255,255,255,0.09); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06); }
  .header-actions { display: flex; align-items: center; gap: 12px; }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1a6dff, #32e6e0);
    color: #031621;
    font-weight: 800;
    font-size: 14px;
    border: 1px solid rgba(255,255,255,0.14);
    box-shadow: 0 0 22px rgba(56,220,210,0.18);
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    white-space: nowrap;
  }
  .btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 999px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
  }
  .btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.35); transform: translateY(-1px); }
  .mobile-toggle { display: none; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 14px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); color: #fff; font-size: 20px; }

  .mobile-drawer { display: none; }
  .mobile-drawer.is-open {
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(3,8,18,0.97);
    backdrop-filter: blur(24px);
    display: flex;
    flex-direction: column;
    padding-top: 20px;
  }
  .drawer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
  .drawer-close { width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,0.06); color: #fff; font-size: 22px; }
  .drawer-nav { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
  .drawer-link {
    display: flex;
    flex-direction: column;
    padding: 16px 18px;
    border: 1px solid rgba(122,170,255,0.14);
    border-radius: 18px;
    background: rgba(255,255,255,0.03);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    transition: background 0.2s ease;
  }
  .drawer-link small { color: var(--muted-2); font-size: 13px; font-weight: 400; margin-top: 2px; }
  .drawer-link.active { border-color: rgba(58,224,197,0.4); background: rgba(58,224,197,0.08); }
  .drawer-link.active small { color: var(--cyan); }

  .category-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: calc(var(--header-h) + 62px) 0 72px;
  }
  .hero-bg { position: absolute; inset: 0; z-index: -2; }
  .hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.2; }
  .hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(700px 360px at 12% 20%, rgba(46,107,255,0.18), transparent 70%),
      linear-gradient(180deg, rgba(2,7,15,0.7), rgba(2,7,15,0.92) 88%);
  }
  .hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 56px; }
  .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted-2); }
  .breadcrumb a { color: var(--primary-2); }
  .breadcrumb a:hover { color: #fff; }
  .crumb-sep { color: rgba(255,255,255,0.35); }
  .hero-eyebrow {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    background: rgba(247,200,115,0.12);
    border: 1px solid rgba(247,200,115,0.25);
    border-radius: 999px;
    padding: 5px 13px;
    font-size: 13px;
    font-weight: 600;
  }
  .hero-content h1 {
    color: #fff;
    font-size: clamp(36px, 4.8vw, 62px);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-top: 16px;
  }
  .hero-lead { margin-top: 20px; max-width: 560px; font-size: 17px; color: var(--muted); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
  .hero-flags {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    padding: 16px 20px;
    border: 1px solid rgba(122,170,255,0.14);
    background: rgba(255,255,255,0.03);
    border-radius: 18px;
    max-width: 560px;
  }
  .hero-flags span { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 600; }
  .hero-flags i { color: var(--cyan); font-size: 14px; }
  .hero-visual { position: relative; }
  .hero-poster {
    position: relative;
    border-radius: 30px;
    padding: 0;
    min-height: 420px;
    overflow: hidden;
    border: 1px solid rgba(122,170,255,0.22);
    box-shadow: var(--shadow-card), inset 0 0 1px rgba(255,255,255,0.15);
  }
  .hero-poster img.hero-poster-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .hero-poster::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(3,9,20,0.2) 0%, rgba(2,7,15,0.35) 46%, rgba(2,7,15,0.94) 100%);
  }
  .hero-poster-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    min-height: 420px;
  }
  .poster-chip { display: inline-flex; align-items: center; width: fit-content; gap: 7px; background: rgba(2,7,15,0.62); color: var(--text); border: 1px solid rgba(255,255,255,0.24); border-radius: 999px; font-size: 13px; font-weight: 700; padding: 7px 15px; backdrop-filter: blur(8px); }
  .poster-title { color: #fff; font-size: 28px; font-weight: 850; line-height: 1.2; margin-top: 12px; }
  .poster-desc { color: rgba(255,255,255,0.78); font-size: 15px; margin-top: 8px; max-width: 400px; }
  .poster-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
  .poster-tags span { background: rgba(247,200,115,0.14); color: var(--gold); border: 1px solid rgba(247,200,115,0.2); border-radius: 999px; padding: 4px 12px; font-size: 12px; }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    background: rgba(247,200,115,0.12);
    border: 1px solid rgba(247,200,115,0.2);
    border-radius: 999px;
    padding: 6px 14px;
  }
  .section-title { color: #fff; font-size: clamp(28px, 3.8vw, 40px); font-weight: 850; letter-spacing: -0.02em; line-height: 1.2; margin-top: 14px; }
  .section-desc { margin-top: 12px; max-width: 780px; font-size: 16px; }

  .glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
  }
  .glass-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
  .icn-wrap {
    width: 58px;
    height: 58px;
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 17px;
    background: rgba(46,107,255,0.16);
    color: #4aa8ff;
    font-size: 23px;
    border: 1px solid rgba(46,107,255,0.2);
  }
  .icn-gold { background: rgba(247,200,115,0.12); color: var(--gold); border-color: rgba(247,200,115,0.25); }

  .split-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
  .check-list { margin-top: 24px; display: grid; gap: 16px; }
  .check-list li { display: flex; gap: 14px; align-items: flex-start; background: rgba(255,255,255,0.03); border: 1px solid rgba(122,170,255,0.12); border-radius: 16px; padding: 14px 16px; }
  .check-list i { color: var(--cyan); font-size: 18px; margin-top: 4px; flex: none; }
  .check-list strong { display: block; color: #fff; font-weight: 700; }
  .check-list small { color: var(--muted); font-size: 14px; }
  .split-media { position: relative; border-radius: 30px; overflow: hidden; min-height: 440px; border: 1px solid var(--border); background: var(--bg-2); }
  .split-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .split-caption { position: absolute; left: 20px; right: 20px; bottom: 20px; background: rgba(2,7,15,0.72); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.18); border-radius: 18px; padding: 14px 18px; color: #fff; font-size: 14px; }

  .compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,0.03); }
  .compare-table { width: 100%; min-width: 680px; border-collapse: collapse; }
  .compare-table th { text-align: left; color: #fff; font-size: 14px; font-weight: 750; padding: 18px 20px; background: rgba(255,255,255,0.06); border-bottom: 1px solid rgba(122,170,255,0.16); white-space: nowrap; }
  .compare-table td { padding: 17px 20px; border-top: 1px solid rgba(122,170,255,0.1); color: var(--muted); font-size: 14px; vertical-align: top; }
  .compare-table tbody tr:first-child td { border-top: 0; }
  .compare-table tbody tr:hover td { background: rgba(46,107,255,0.08); }
  .compare-table td:first-child { color: #fff; font-weight: 700; }

  .topic-card {
    position: relative;
    display: block;
    min-height: 280px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-2);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .topic-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); border-color: rgba(130,225,255,0.4); }
  .topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
  .topic-card:hover img { transform: scale(1.03); }
  .topic-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(2,7,15,0.05) 30%, rgba(2,7,15,0.88) 100%); }
  .topic-content { position: relative; z-index: 1; min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; }
  .topic-content h3 { color: #fff; font-size: 19px; font-weight: 800; line-height: 1.3; }
  .topic-content p { color: rgba(255,255,255,0.8); font-size: 14px; margin-top: 6px; }
  .topic-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--gold); font-size: 13px; font-weight: 700; margin-top: 12px; }

  .step-card { display: flex; gap: 16px; align-items: flex-start; }
  .step-num { width: 40px; height: 40px; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; background: rgba(247,200,115,0.12); color: var(--gold); font-weight: 900; font-size: 17px; border: 1px solid rgba(247,200,115,0.25); }
  .step-card h3 { color: #fff; font-size: 18px; font-weight: 750; margin-bottom: 4px; }
  .step-card p { color: var(--muted); font-size: 14px; }

  .faq-list { display: grid; gap: 14px; max-width: 940px; margin: 0 auto; }
  .faq-item {
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(255,255,255,0.03);
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
  }
  .faq-item[open] { border-color: rgba(58,224,197,0.5); box-shadow: 0 0 24px rgba(58,224,197,0.08); }
  .faq-summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; padding: 20px 24px; color: #fff; font-weight: 750; font-size: 16px; transition: color 0.2s ease; }
  .faq-summary::-webkit-details-marker { display: none; }
  .faq-summary:hover { color: var(--cyan); }
  .faq-summary .faq-icon { color: var(--gold); font-size: 20px; transition: transform 0.3s ease; flex: none; }
  .faq-item[open] .faq-icon { transform: rotate(45deg); }
  .faq-answer { padding: 0 24px 22px 52px; color: var(--muted); font-size: 15px; max-width: 820px; }
  .cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 52px 56px;
    border-radius: 32px;
    border: 1px solid rgba(122,170,255,0.24);
    background: linear-gradient(135deg, #0b1d3a, #06101d) no-repeat;
    position: relative;
    overflow: hidden;
  }
  .cta-panel::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 80% 25%, rgba(58,224,197,0.16), transparent 35%), radial-gradient(circle at 15% 80%, rgba(46,107,255,0.18), transparent 40%); pointer-events: none; }
  .cta-panel > * { position: relative; }
  .cta-title { color: #fff; font-size: clamp(24px, 3vw, 34px); font-weight: 850; line-height: 1.25; }
  .cta-desc { margin-top: 10px; max-width: 620px; color: var(--muted); font-size: 16px; }

  .site-footer { margin-top: 80px; background: #030711; border-top: 1px solid var(--border); padding: 64px 0 28px; }
  .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(122,170,255,0.12); }
  .footer-brand p { margin-top: 18px; font-size: 14px; max-width: 360px; color: var(--muted-2); }
  .footer-col h4 { color: #fff; font-size: 15px; font-weight: 750; margin-bottom: 14px; }
  .footer-col ul { list-style: none; display: grid; gap: 10px; }
  .footer-col a { color: var(--muted); font-size: 14px; transition: color 0.2s ease; }
  .footer-col a:hover { color: #fff; }
  .footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 28px; padding-top: 22px; color: var(--muted-2); font-size: 13px; }
  .footer-bottom a { color: #6f8db5; }
  .footer-bottom a:hover { color: #fff; }
  .age-line { margin-top: 24px; background: rgba(255,255,255,0.03); border: 1px solid rgba(122,170,255,0.1); border-radius: 14px; padding: 14px 18px; font-size: 12px; color: var(--muted-2); line-height: 1.7; }

  @media (max-width: 1199px) {
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  }
  @media (max-width: 1023px) {
    .main-nav { display: none; }
    .mobile-toggle { display: inline-flex; }
    .hero-grid, .split-grid { grid-template-columns: 1fr; }
    .hero-visual { max-width: 640px; }
    .split-media { min-height: 360px; }
    .cta-panel { flex-direction: column; align-items: flex-start; padding: 38px; }
    .section { padding-block: 72px; }
  }
  @media (max-width: 767px) {
    .logo-text strong, .logo-name { font-size: 15px; }
    .header-inner { gap: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .cta-panel { padding: 30px 24px; }
    .hero-poster, .hero-poster-content { min-height: 380px; }
    .topic-card, .topic-content { min-height: 230px; }
  }
  @media (max-width: 520px) {
    .container { width: min(100% - 32px, 1240px); }
    .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
    .footer-bottom { flex-direction: column; }
    .cta-panel .btn-primary { width: 100%; }
    .poster-tags span { font-size: 11px; }
    .faq-answer { padding-left: 24px; }
    .section-title { font-size: 28px; }
  }