/* roulang page: index */
:root {
    --bg: #0b0e14;
    --surface: #121722;
    --surface-2: #1a2130;
    --gold: #f5b84b;
    --cyan: #40d9b8;
    --danger: #ff5d6c;
    --text: #edf0f5;
    --muted: #99a2b3;
    --dim: #5d6b80;
    --line: rgba(255,255,255,.08);
    --line-hover: rgba(255,255,255,.16);
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 18px 44px rgba(0,0,0,.35);
  }
  * {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    line-height: 1.7;
    margin: 0;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  button, input {
    font: inherit;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    width: 100%;
  }
  .section-pad {
    padding: 104px 0;
  }
  .section-pad-sm {
    padding: 72px 0;
  }
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(11, 12, 18, .55);
    border-bottom: 1px solid rgba(255,255,255,.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background .3s ease, box-shadow .3s ease;
  }
  .site-header.scrolled {
    background: rgba(13, 17, 25, .94);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
  }
  .site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffe2a1, var(--gold) 62%, #c88c1d);
    color: #1e1405;
    font-size: 21px;
    font-weight: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(245, 184, 75, .35);
    flex: 0 0 auto;
  }
  .brand-name {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .02em;
    color: #fff;
    white-space: nowrap;
    margin-left: 10px;
    line-height: 1.3;
  }
  .brand-name .small {
    color: rgba(237, 240, 245, .72);
    font-weight: 400;
  }
  .nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }
  .nav-link {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    padding: 10px 2px;
    position: relative;
    transition: color .2s;
  }
  .nav-link:hover {
    color: var(--gold);
  }
  .nav-link.active {
    color: var(--gold);
  }
  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4px;
    height: 3px;
    border-radius: 4px;
    background: var(--gold);
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    border-radius: 999px;
    padding: 0 24px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .btn-primary {
    background: var(--gold);
    color: #201607;
  }
  .btn-primary:hover {
    box-shadow: 0 6px 22px rgba(245, 184, 75, .24);
    background: #ffd07a;
  }
  .btn-primary:active {
    transform: scale(.98);
  }
  .btn-ghost {
    border: 1px solid rgba(255,255,255,.3);
    background: transparent;
    color: #fff;
  }
  .btn-ghost:hover {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.5);
  }
  .btn-ghost:active {
    transform: scale(.98);
  }
  .btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
  }
  .hamburger {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.02);
    display: none;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
  }
  .mobile-nav {
    background: rgba(13, 17, 25, .98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 14px 20px 28px;
  }
  .mobile-nav a {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .mobile-nav a.active {
    color: var(--gold);
  }
  .hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    padding: 150px 0 96px;
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    background:
      linear-gradient(90deg, rgba(11, 14, 20, .94) 0%, rgba(11, 14, 20, .59) 44%, rgba(11, 14, 20, .48) 100%),
      linear-gradient(0deg, #0b0e14 2%, rgba(11, 14, 20, .1) 36%, rgba(11, 14, 20, .2) 100%),
      url('/assets/images/backpic/back-1.png') center / cover no-repeat,
      #0b0e14;
  }
  .hero-grid::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(245, 184, 75, .05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(245, 184, 75, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
  }
  .hero-content {
    position: relative;
    z-index: 3;
    max-width: 760px;
  }
  .hero-title {
    font-size: clamp(40px, 6vw, 68px);
    line-height: 1.16;
    font-weight: 900;
    letter-spacing: -.02em;
    color: #fff;
    margin: 20px 0 24px;
  }
  .hero-title .keyword {
    color: var(--gold);
    text-shadow: 0 4px 36px rgba(245, 184, 75, .24);
  }
  .hero-desc {
    font-size: clamp(16px, 1.4vw, 18px);
    color: #d7dcea;
    line-height: 1.9;
    max-width: 620px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 34px;
  }
  .chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    color: #dce1ea;
    font-weight: 400;
  }
  .chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 12px rgba(245,184,75,.7);
  }
  .sec-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 34px;
  }
  .sec-label {
    color: var(--gold);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .12em;
    margin-bottom: 10px;
  }
  .sec-label .sec-index {
    font-variant: tabular-nums;
    opacity: .9;
    margin-right: 8px;
    font-weight: 900;
  }
  h2, h3 {
    margin: 0;
  }
  .sec-title {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.28;
    font-weight: 800;
    letter-spacing: -.02em;
    color: #fff;
    position: relative;
    padding-left: 20px;
  }
  .sec-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.18em;
    bottom: 0.18em;
    width: 5px;
    border-radius: 6px;
    background: var(--gold);
  }
  .sec-desc {
    color: var(--muted);
    font-size: 15px;
    max-width: 600px;
  }
  .quick-col {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: border-color .25s, transform .25s, box-shadow .25s;
    display: block;
  }
  .quick-col:hover {
    border-color: rgba(245,184,75,.44);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
  }
  .quick-col .number {
    color: var(--gold);
    font-weight: 900;
    font-size: 15px;
    letter-spacing: .1em;
  }
  .quick-col h3 {
    font-size: 22px;
    color: #fff;
    margin: 12px 0 10px;
    font-weight: 800;
  }
  .quick-col p {
    color: var(--muted);
    line-height: 1.8;
    margin: 0;
  }
  .media-cover {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #10151e;
    border: 1px solid rgba(255,255,255,.08);
    min-height: 340px;
    box-shadow: var(--shadow);
  }
  .media-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
  }
  .cover-tag {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(11, 14, 20, .82);
    border: 1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    color: #f1eadd;
  }
  .tl {
    position: relative;
    margin-top: 8px;
  }
  .tl-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 16px;
    padding: 0 0 34px;
    position: relative;
  }
  .tl-item::before {
    content: "";
    position: absolute;
    left: 21px;
    top: 40px;
    bottom: 0;
    width: 1px;
    background: rgba(255,255,255,.1);
  }
  .tl-item:last-child::before {
    display: none;
  }
  .tl-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(245,184,75,.4);
    background: rgba(245,184,75,.06);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    z-index: 1;
    box-shadow: 0 0 0 5px #121722;
  }
  .tl-item h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin: 6px 0 8px;
  }
  .tl-item p {
    color: var(--muted);
    line-height: 1.8;
    margin: 0;
  }
  .reward-panel {
    background: linear-gradient(135deg, #161d2a, #10151d);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
  }
  .reward-grid {
    display: grid;
    grid-template-columns: 2.1fr 1.1fr 1.1fr 1.1fr;
    min-height: 260px;
  }
  .reward-cell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
    padding: 34px 30px;
  }
  .reward-cell + .reward-cell {
    border-left: 1px solid rgba(255,255,255,.07);
  }
  .reward-cell.main {
    background: rgba(245,184,75,.06);
  }
  .reward-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #201607;
    background: linear-gradient(145deg, #ffe4a7, var(--gold));
  }
  .reward-icon.large {
    width: 66px;
    height: 66px;
    font-size: 30px;
  }
  .reward-cell h3 {
    font-size: 21px;
    color: #fff;
    font-weight: 800;
  }
  .reward-cell p {
    color: var(--muted);
    line-height: 1.75;
    font-size: 14px;
    margin: 0;
  }
  .reward-extra {
    display: inline-block;
    margin-top: 6px;
    color: var(--cyan);
    font-size: 13px;
  }
  .progress-section {
    background:
      radial-gradient(circle at 80% 30%, rgba(245,184,75,.08), transparent 300px),
      var(--surface);
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  .stage-wrap {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    position: relative;
    margin-top: 28px;
  }
  .stage-wrap::before {
    content: "";
    position: absolute;
    top: 22px;
    left: 2%;
    right: 2%;
    height: 2px;
    background: rgba(255,255,255,.1);
    border-radius: 4px;
  }
  .stage-item {
    position: relative;
    flex: 1;
    max-width: 230px;
    text-align: left;
    background: transparent;
  }
  .stage-item .node {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #0d121b;
    border: 2px solid rgba(255,255,255,.14);
    color: var(--dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    position: relative;
    z-index: 1;
    margin-bottom: 14px;
    transition: border .2s;
  }
  .stage-item.done .node {
    background: rgba(64,217,184,.08);
    border-color: var(--cyan);
    color: var(--cyan);
  }
  .stage-item.current .node {
    border-color: var(--gold);
    color: #201607;
    background: var(--gold);
    box-shadow: 0 0 0 8px rgba(245,184,75,.12), 0 0 22px rgba(245,184,75,.4);
  }
  .stage-item.locked .node {
    opacity: .7;
  }
  .stage-item h4 {
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 6px;
  }
  .stage-item p {
    color: var(--dim);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
  }
  .percentage {
    color: var(--gold);
    font-size: 56px;
    font-weight: 900;
    letter-spacing: -.03em;
    line-height: 1;
  }
  .percentage span {
    font-size: 20px;
    font-weight: 700;
    color: var(--muted);
    margin-left: 8px;
  }
  .news-area {
    background: transparent;
  }
  .news-split {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 20px;
  }
  .news-card-main {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .2s, border-color .2s;
  }
  .news-card-main:hover {
    transform: translateY(-3px);
    border-color: rgba(245,184,75,.28);
  }
  .news-card-main .body {
    padding: 24px 26px 28px;
  }
  .news-tag {
    display: inline-block;
    font-size: 13px;
    color: var(--gold);
    background: rgba(245,184,75,.08);
    border: 1px solid rgba(245,184,75,.2);
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
    margin-bottom: 14px;
  }
  .news-list-item {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: block;
    transition: border-color .2s, transform .2s;
  }
  .news-list-item:hover {
    border-color: rgba(245,184,75,.3);
    transform: translateY(-2px);
  }
  .news-list-item + .news-list-item {
    margin-top: 12px;
  }
  .news-empty {
    background: var(--surface);
    border: 1px dashed rgba(255,255,255,.14);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 180px;
    color: var(--muted);
    font-size: 16px;
    padding: 20px;
  }
  .empty-symbol {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(245,184,75,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 22px;
  }
  .faq-list {
    max-width: 920px;
    margin: 0 auto;
  }
  .faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .2s;
  }
  .faq-item:hover {
    border-color: rgba(255,255,255,.16);
  }
  .faq-que {
    width: 100%;
    background: transparent;
    border: 0;
    min-height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 0 24px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
  }
  .faq-que .icon {
    color: var(--gold);
    font-size: 22px;
    line-height: 1;
    transition: transform .2s;
    flex: 0 0 auto;
  }
  .faq-item.open .faq-que .icon {
    transform: rotate(45deg);
  }
  .faq-ans {
    padding: 0 24px 24px;
    color: var(--muted);
    line-height: 1.85;
    display: none;
    font-size: 15px;
  }
  .faq-item.open .faq-ans {
    display: block;
  }
  .cta-block {
    background: linear-gradient(135deg, #1a2230, #111722);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 22px 50px rgba(0,0,0,.35);
  }
  .cta-info {
    padding: 50px 44px;
  }
  .cta-info h2 {
    font-size: 32px;
    font-weight: 900;
    color: #fff;
    margin: 0 0 16px;
    line-height: 1.3;
  }
  .cta-info p {
    color: var(--muted);
    line-height: 1.85;
    margin: 0;
  }
  .cta-form-box {
    background: rgba(255,255,255,.03);
    border-left: 1px solid rgba(255,255,255,.08);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 46px;
  }
  .cta-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
  }
  .cta-input {
    height: 50px;
    background: var(--surface-2);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 999px;
    color: #fff;
    padding: 0 20px;
    min-width: 0;
    outline: none;
    flex: 1;
  }
  .cta-input::placeholder {
    color: #768297;
  }
  .cta-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(245,184,75,.12);
  }
  .cta-form-note {
    font-size: 12px;
    color: var(--dim);
    margin-top: 10px;
    line-height: 1.6;
  }
  .site-footer {
    background: #080a0f;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-top: 60px;
    padding-bottom: 40px;
  }
  .footer-grid h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 14px;
  }
  .footer-grid ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .footer-grid li + li {
    margin-top: 10px;
  }
  .footer-grid a {
    color: var(--muted);
    transition: color .2s;
  }
  .footer-grid a:hover {
    color: var(--gold);
  }
  .footer-note {
    color: var(--dim);
    font-size: 13px;
    line-height: 1.8;
    margin: 12px 0 0;
    max-width: 320px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: var(--dim);
    font-size: 13px;
  }
  @media (max-width: 1024px) {
    .desktop-nav {
      display: none;
    }
    .hamburger {
      display: inline-flex;
    }
    .header-cta-desktop {
      display: none;
    }
    .site-header-inner {
      height: 64px;
    }
  }
  @media (max-width: 1023px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
    .reward-grid {
      grid-template-columns: 1fr 1fr;
    }
    .reward-cell + .reward-cell {
      border-left: 0;
    }
    .reward-cell:nth-child(3) {
      border-left: 1px solid rgba(255,255,255,.07);
    }
    .news-split {
      grid-template-columns: 1fr;
    }
    .stage-wrap {
      flex-direction: column;
    }
    .stage-wrap::before {
      width: 2px;
      height: calc(100% - 44px);
      top: 44px;
      left: 21px;
      right: auto;
    }
  }
  @media (max-width: 768px) {
    .section-pad {
      padding: 80px 0;
    }
    .cta-form-box {
      border-left: 0;
      border-top: 1px solid rgba(255,255,255,.08);
      padding: 34px 28px;
    }
    .cta-info {
      padding: 38px 28px 22px;
    }
    .progress-head {
      flex-direction: column;
      align-items: flex-start;
    }
  }
  @media (max-width: 600px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
      padding-top: 40px;
    }
    .reward-grid {
      grid-template-columns: 1fr;
    }
    .reward-cell {
      padding: 24px;
      border-bottom: 1px solid rgba(255,255,255,.07);
    }
    .reward-cell + .reward-cell {
      border-left: 0;
    }
    .reward-cell:last-child {
      border-bottom: 0;
    }
    .hero-actions {
      width: 100%;
    }
    .hero-actions .btn {
      width: auto;
      min-width: 150px;
    }
    .cta-form {
      flex-direction: column;
    }
    .cta-form .btn {
      width: 100%;
    }
  }

/* roulang page: category1 */
:root {
    --bg: #0b0e14;
    --surface: #121722;
    --surface-light: #1a2130;
    --gold: #f5b84b;
    --gold-dark: #1e1405;
    --cyan: #40d9b8;
    --alert: #ff5d6c;
    --ink: #edf0f5;
    --muted: #99a2b3;
    --faint: #5d6b80;
    --border: rgba(255,255,255,.08);
    --border-hover: rgba(255,255,255,.16);
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 10px 40px rgba(0,0,0,.35);
    --shadow-gold: 0 6px 20px rgba(245,184,75,.22)
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
  }

  body {
    background-color: var(--bg);
    color: var(--ink);
    font-family: 'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Hiragino Sans GB','system-ui','-apple-system',sans-serif;
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  ::selection { background: rgba(245,184,75,.3); }

  .container-custom {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  .container-tight {
    max-width: 900px;
  }

  /* 数字等宽 */
  .tabular, .num, time { font-variant-numeric: tabular-nums; }

  /* 头部导航 */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 72px;
    background: rgba(11,12,18,.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,.1);
    transition: all .3s ease;
  }

  .site-header.scrolled {
    background: rgba(13,17,25,.93);
    box-shadow: 0 12px 30px rgba(0,0,0,.35);
  }

  .site-header .content-solid {
    background: #0d1119;
  }

  .site-header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 20%, #f7c96a, #d99a2b);
    color: #1e1405;
    font-weight: 900;
    font-size: 20px;
    line-height: 1;
    margin-right: 10px;
    font-family: inherit;
  }

  .brand-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .01em;
    color: #edf0f5;
    white-space: nowrap;
  }
  .brand-name .small {
    font-weight: 400;
    font-size: 14px;
    color: rgba(237,240,245,.6);
    margin-left: 2px;
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 36px;
  }
  .nav-link {
    position: relative;
    display: inline-block;
    padding: 8px 0;
    color: rgba(237,240,245,.78);
    font-size: 16px;
    font-weight: 400;
    text-decoration: none;
    transition: color .2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
  }
  .nav-link:hover {
    color: #fff;
  }
  .nav-link.active {
    color: #f5b84b;
    font-weight: 600;
    border-bottom-color: #f5b84b;
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background: transparent;
  }

  /* 导航按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    padding: 12px 28px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s ease;
    outline: none;
    line-height: 1.4;
    white-space: nowrap;
    background: transparent;
    font-family: inherit;
  }

  .btn-primary {
    background: linear-gradient(135deg, #f7c96a 0%, #f5b84b 50%, #eaa834 100%);
    color: #201607;
    box-shadow: none;
  }
  .btn-primary:hover {
    filter: brightness(1.06);
    box-shadow: 0 6px 20px rgba(245,184,75,.24);
    transform: translateY(-1px);
  }
  .btn-primary:active {
    transform: scale(.98);
  }
  .btn-primary:focus-visible {
    outline: 2px solid #f5b84b;
    outline-offset: 2px;
  }

  .btn-outline {
    border: 1px solid rgba(255,255,255,.3);
    color: #edf0f5;
    background: transparent;
  }
  .btn-outline:hover {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.5);
  }
  .btn-outline:active {
    transform: scale(.98);
  }
  .btn-outline:focus-visible {
    outline: 2px solid rgba(255,255,255,.4);
    outline-offset: 2px;
  }

  .btn-gold-ghost {
    background: transparent;
    border-color: rgba(245,184,75,.5);
    color: #f5b84b;
  }
  .btn-gold-ghost:hover {
    background: rgba(245,184,75,.08);
    border-color: #f5b84b;
    color: #f5b84b;
  }

  .header-cta-desktop {
    padding: 8px 20px;
    font-size: 14px;
    border-radius: 10px;
  }

  /* 汉堡菜单按钮 */
  .hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(18,23,34,.7);
    color: #edf0f5;
    cursor: pointer;
  }
  .hamburger:focus-visible {
    outline: 2px solid #f5b84b;
    outline-offset: 2px;
  }

  /* 移动菜单 */
  .mobile-nav {
    background: rgba(13,17,25,.97);
    padding: 12px 20px 24px;
    border-top: 1px solid rgba(255,255,255,.06);
    box-shadow: 0 20px 40px rgba(0,0,0,.6);
  }
  .mobile-nav a {
    display: block;
    font-size: 22px;
    font-weight: 600;
    color: #edf0f5;
    padding: 14px 4px;
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,.04);
  }
  .mobile-nav a.active {
    color: #f5b84b;
  }
  .mobile-nav a:hover {
    color: #f5b84b;
  }

  /* 分类头部栏 */
  .category-hero {
    position: relative;
    padding: 180px 0 80px;
    background: #0b0e14;
    overflow: hidden;
  }
  .category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 56px 56px;
  }
  .category-hero::after {
    content: '';
    position: absolute;
    top: -180px;
    left: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245,184,75,.08) 0%, transparent 60%);
    pointer-events: none;
  }
  .category-hero .inner {
    position: relative;
    z-index: 2;
  }

  .breadcrumb-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 14px;
    color: #99a2b3;
    margin-bottom: 18px;
  }
  .breadcrumb-row a {
    color: #99a2b3;
    text-decoration: none;
    transition: color .2s;
  }
  .breadcrumb-row a:hover { color: #f5b84b; }
  .breadcrumb-row .sep {
    color: #5d6b80;
    margin: 0 4px;
  }
  .breadcrumb-row .current {
    color: #edf0f5;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(245,184,75,.12);
    border: 1px solid rgba(245,184,75,.3);
    color: #f5b84b;
    border-radius: 20px;
    padding: 4px 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
  }

  .category-title {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 900;
    line-height: 1.2;
    margin: 18px 0 14px;
    letter-spacing: .01em;
    color: #edf0f5;
  }
  .category-title .text-gold {
    color: #f5b84b;
  }

  .category-sub {
    font-size: 16px;
    color: #99a2b3;
    max-width: 620px;
    line-height: 1.8;
  }

  /* 分类锚点chips */
  .entry-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
  }
  .chip-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 30px;
    background: rgba(18,23,34,.8);
    border: 1px solid rgba(255,255,255,.08);
    color: #99a2b3;
    font-size: 14px;
    text-decoration: none;
    transition: all .2s;
    font-weight: 500;
  }
  .chip-link:hover {
    color: #f5b84b;
    border-color: rgba(245,184,75,.4);
    background: rgba(245,184,75,.06);
  }
  .chip-link i {
    font-size: 12px;
  }

  /* 全局板块 */
  .section-block {
    padding: 80px 0;
    position: relative;
  }
  .section-tight { padding: 64px 0; }

  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 30px;
    margin-bottom: 48px;
    flex-wrap: wrap;
  }

  .section-title-wrap {
    max-width: 720px;
  }

  .section-no {
    font-size: 20px;
    font-weight: 800;
    color: #f5b84b;
    letter-spacing: .05em;
    display: block;
    margin-bottom: 6px;
    font-family: ui-monospace, monospace;
  }

  .section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    color: #edf0f5;
    position: relative;
    padding-left: 20px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    border-radius: 3px;
    background: #f5b84b;
  }
  .section-sub {
    font-size: 15px;
    color: #99a2b3;
    line-height: 1.7;
  }

  .section-body {
    margin-top: 40px;
  }

  @media (max-width: 767px) {
    .section-block { padding: 56px 0; }
    .section-title { font-size: 24px; }
  }

  /* 颜色工具 */
  .bg-base { background-color: #0b0e14; }
  .bg-surface { background-color: #121722; }
  .bg-surface-light { background-color: #1a2130; }
  .bg-gold { background-color: #f5b84b; }
  .text-gold { color: #f5b84b; }
  .text-muted { color: #99a2b3; }
  .text-faint { color: #5d6b80; }
  .text-ink { color: #edf0f5; }
  .border-gold { border-color: rgba(245,184,75,.3); }

  .card-surface {
    background: #121722;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
  }

  .eyebrow-line {
    max-width: 64px;
    height: 3px;
    border-radius: 3px;
    background: #f5b84b;
    margin-bottom: 18px;
  }

  /* 01 进入方式：纵向步骤大数字 */
  .entry-ways {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .entry-way-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 24px;
    padding: 32px 32px 32px 28px;
    border-radius: 20px;
    background: rgba(18,23,34,.65);
    border: 1px solid rgba(255,255,255,.06);
    transition: border-color .3s, background .3s, transform .3s;
    position: relative;
    align-items: start;
  }
  .entry-way-item:hover {
    border-color: rgba(245,184,75,.25);
    background: rgba(18,23,34,.9);
  }
  .way-no {
    font-size: 42px;
    font-weight: 900;
    font-family: ui-monospace, SFMono-Regular, monospace;
    line-height: 1;
    background: linear-gradient(145deg, rgba(245,184,75,.35), rgba(245,184,75,.55));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .way-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #edf0f5;
    margin-bottom: 8px;
  }
  .way-content p {
    color: #99a2b3;
    font-size: 15px;
    line-height: 1.8;
    max-width: 560px;
  }
  .way-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(245,184,75,.1);
    color: #f5b84b;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 18px;
  }

  /* 02 通路对比 */
  .passage-wrap {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 0;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.08);
    background: #121722;
  }
  .passage-left {
    padding: 40px 36px;
    background: rgba(18,23,34,.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid rgba(255,255,255,.06);
  }
  .passage-left .img-frame {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 12px;
    position: relative;
  }
  .passage-right {
    padding: 40px 36px;
  }
  @media (max-width: 900px) {
    .passage-wrap { grid-template-columns: 1fr; }
    .passage-left { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  }

  /* 步骤列表 */
  .step-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: stepCount;
  }
  .step-list li {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px dashed rgba(255,255,255,.08);
    counter-increment: stepCount;
    align-items: baseline;
  }
  .step-list li:last-child {
    border-bottom: none;
  }
  .step-num {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border-radius: 50%;
    background: rgba(245,184,75,.14);
    color: #f5b84b !important;
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(3px);
  }
  .step-list li .step-txt h4 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 4px;
    color: #edf0f5;
  }
  .step-list li .step-txt p {
    font-size: 14px;
    color: #99a2b3;
    margin: 0;
    line-height: 1.7;
  }

  /* 横向进度时间轴 */
  .timeline-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }
  .timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 3%;
    right: 3%;
    height: 2px;
    background: rgba(255,255,255,.08);
  }
  .timeline-node {
    position: relative;
    background: rgba(18,23,34,.7);
    border-radius: 18px;
    padding: 30px 24px 24px;
    border: 1px solid rgba(255,255,255,.06);
  }
  .tl-dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    background: #f5b84b;
    color: #1e1405;
    box-shadow: 0 0 0 6px rgba(245,184,75,.1);
    position: relative;
    z-index: 2;
    margin-bottom: 16px;
    font-family: ui-monospace, monospace;
  }
  .tl-dot.is-done {
    background: #40d9b8;
    color: #0b2421;
    box-shadow: 0 0 0 6px rgba(64,217,184,.1);
  }
  .tl-dot.is-lock {
    background: rgba(255,255,255,.1);
    color: #5d6b80;
    box-shadow: 0 0 0 6px rgba(255,255,255,.02);
  }
  @media (max-width: 900px) {
    .timeline-horizontal { grid-template-columns: 1fr 1fr; }
    .timeline-horizontal::before { display: none; }
  }
  @media (max-width: 640px) {
    .timeline-horizontal { grid-template-columns: 1fr; }
  }

  /* FAQ */
  .faq-list-single {
    max-width: 820px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-list-single .faq-card {
    background: rgba(18,23,34,.7);
    border: 1px solid rgba(255,255,255,.07);
    border-radius: 16px;
    overflow: hidden;
    transition: border-color .2s;
  }
  .faq-list-single details {
    padding: 0 22px;
  }
  .faq-list-single details[open] summary {
    color: #f5b84b;
  }
  .faq-list-single summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 20px;
    cursor: pointer;
    color: #edf0f5;
    font-weight: 600;
    font-size: 16px;
    padding: 0;
    list-style: none;
  }
  .faq-list-single summary::-webkit-details-marker {
    display: none;
  }
  .faq-list-single summary .faq-icon {
    color: #5d6b80;
    font-size: 14px;
    transition: transform .3s, color .2s;
    width: 20px;
    flex-shrink: 0;
    text-align: center;
  }
  .faq-list-single details[open] summary .faq-icon {
    transform: rotate(180deg);
    color: #f5b84b;
  }
  .faq-answer {
    color: #99a2b3;
    font-size: 15px;
    line-height: 1.85;
    padding: 0 0 22px;
    border-top: 1px solid rgba(255,255,255,.05);
    padding-top: 16px;
  }

  /* 小内嵌CTA引导条 */
  .cta-strip-inline {
    background: rgba(18,23,34,.75);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 20px;
    padding: 38px 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }
  .cta-strip-inline .cta-title {
    font-size: 22px;
    font-weight: 800;
    color: #edf0f5;
    margin-bottom: 6px;
  }
  .cta-strip-inline .cta-text {
    font-size: 14px;
    color: #99a2b3;
  }

  /* 页脚 */
  .site-footer {
    background: #080a0f;
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 72px 0 0;
    position: relative;
  }
  .site-footer::before {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px);
    background-size: 54px 54px;
    pointer-events: none;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    position: relative;
    z-index: 1;
  }
  .footer-grid h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: .05em;
    color: #edf0f5;
    margin-bottom: 16px;
  }
  .footer-grid ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-grid ul li {
    margin-bottom: 10px;
  }
  .footer-grid ul li a {
    color: #99a2b3;
    text-decoration: none;
    font-size: 14px;
    transition: color .2s;
  }
  .footer-grid ul li a:hover {
    color: #f5b84b;
  }
  .footer-note {
    color: #99a2b3;
    font-size: 14px;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 320px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding: 18px 0 22px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    color: #5d6b80;
    font-size: 13px;
  }
  .footer-bottom a {
    color: #5d6b80;
    text-decoration: none;
  }
  @media (max-width: 900px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 600px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .footer-bottom {
      flex-direction: column;
      gap: 4px;
    }
  }

  /* Hero 分类低高度区细节 */
  .category-hero .ornament-image {
    position: absolute;
    right: -80px;
    bottom: -120px;
    width: 480px;
    height: 480px;
    border-radius: 24px;
    opacity: .12;
    object-fit: cover;
    transform: rotate(8deg);
    pointer-events: none;
  }
  @media (max-width: 720px) {
    .category-hero .ornament-image { display: none; }
  }

  /* 特性网格 */
  .feature-row-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  .feature-card {
    text-align: left;
  }
  @media (max-width: 900px) {
    .feature-row-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 600px) {
    .feature-row-grid { grid-template-columns: 1fr; }
  }

  /* 宽通栏图（category1适用） */
  .wide-media-row {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    height: 220px;
    background-size: cover;
    background-position: center 30%;
    border: 1px solid rgba(255,255,255,.05);
  }
  .wide-media-row .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11,14,20,.85) 0%, rgba(11,14,20,.55) 50%, rgba(11,14,20,.15) 100%);
  }

  @media (max-width: 767px) {
    .wide-media-row { height: 160px; }
  }

  /* 帮助适用场景 */
  .scenario-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  @media (max-width: 900px) {
    .scenario-grid { grid-template-columns: 1fr; }
  }

  .scenario-card {
    background: linear-gradient(150deg, rgba(18,23,34,.6), rgba(18,23,34,.3));
    border: 1px solid rgba(255,255,255,.06);
    padding: 30px 28px;
    border-radius: 16px;
    display: flex;
    gap: 20px;
    transition: all .2s;
  }
  .scenario-card:hover {
    border-color: rgba(255,255,255,.14);
    transform: translateY(-2px);
  }
  .scenario-icon {
    width: 50px;
    height: 50px;
    flex: 0 0 50px;
    border-radius: 14px;
    background: rgba(245,184,75,.1);
    color: #f5b84b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
  }
  .scenario-card .scenario-title {
    font-size: 17px;
    font-weight: 700;
    color: #edf0f5;
    margin-bottom: 6px;
  }
  .scenario-card .scenario-desc {
    font-size: 14px;
    color: #99a2b3;
    line-height: 1.7;
  }

  /* 底部大 CTA */
  .cta-panel {
    position: relative;
    border-radius: 24px;
    background: rgba(245,184,75,.08);
    border: 1px solid rgba(245,184,75,.2);
    padding: 60px 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    overflow: hidden;
    margin-bottom: 20px;
  }
  .cta-panel::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -50px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,184,75,.08), transparent 60%);
  }
  .cta-panel .text-block {
    position: relative;
    z-index: 2;
    flex: 1 1 360px;
  }
  .cta-panel .action {
    z-index: 2;
    position: relative;
  }
  @media (max-width: 700px) {
    .cta-panel { padding: 36px 24px; }
  }

  @keyframes pulse-gold {
    0% { box-shadow: 0 0 0 0 rgba(245,184,75,.3); }
    70% { box-shadow: 0 0 0 12px rgba(245,184,75,0); }
    100% { box-shadow: 0 0 0 0 rgba(245,184,75,0); }
  }
  .pulse-gold {
    animation: pulse-gold 2.4s infinite;
  }

  .img-placeholder {
    background: #0d1119;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  .img-cover, .wide-media-row {
    background-color: #0b0e14;
  }

/* roulang page: article */
:root {
        --bg: #0b0e14;
        --surface: #121722;
        --surface-light: #1a2130;
        --gold: #f5b84b;
        --teal: #40d9b8;
        --coral: #ff5d6c;
        --text: #edf0f5;
        --muted: #99a2b3;
        --faint: #5d6b80;
        --line: rgba(255, 255, 255, 0.08);
        --line-strong: rgba(255, 255, 255, 0.16);
        --radius: 14px;
        --radius-lg: 20px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
        background-color: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        font-size: 16px;
    }

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

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

    .container {
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
        width: 100%;
    }

    /* ===== Header ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        height: 72px;
        display: flex;
        align-items: center;
        background: rgba(11, 12, 18, 0.55);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition: background 0.3s ease, box-shadow 0.3s ease;
    }

    .site-header.is-scrolled {
        background: rgba(13, 17, 25, 0.93);
        box-shadow: 0 12px 34px rgba(0, 0, 0, 0.3);
    }

    .site-header-inner {
        width: 100%;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: radial-gradient(circle at 30% 25%, #ffd687, var(--gold));
        color: #201607;
        font-weight: 900;
        font-size: 21px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 38px;
    }

    .brand-name {
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        letter-spacing: 0.02em;
        line-height: 1.2;
        white-space: nowrap;
    }

    .brand-name .small {
        font-size: 13px;
        font-weight: 500;
        color: var(--muted);
        margin-left: 2px;
    }

    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 34px;
    }

    .nav-link {
        position: relative;
        font-size: 15px;
        font-weight: 500;
        color: var(--muted);
        padding: 8px 2px;
        transition: color 0.25s ease;
        letter-spacing: 0.01em;
    }

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

    .nav-link.active {
        color: var(--text);
        font-weight: 600;
    }

    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -3px;
        width: 100%;
        height: 3px;
        border-radius: 99px;
        background: var(--gold);
    }

    .hamburger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        border: 1px solid var(--line-strong);
        background: rgba(255, 255, 255, 0.04);
        color: var(--text);
        cursor: pointer;
        transition: background 0.2s ease, border-color 0.2s ease;
    }

    .hamburger:hover {
        background: rgba(255, 255, 255, 0.09);
    }

    .mobile-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 13, 20, 0.98);
        backdrop-filter: blur(20px);
        padding: 32px 28px 40px;
        display: flex;
        flex-direction: column;
        gap: 22px;
        overflow-y: auto;
        z-index: 99;
    }

    .mobile-nav a {
        font-size: 28px;
        font-weight: 700;
        color: var(--text);
        line-height: 2;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        padding: 6px 0;
    }

    .mobile-nav a.active {
        color: var(--gold);
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 700;
        line-height: 1;
        padding: 0 0;
        border-radius: 12px;
        cursor: pointer;
        border: 1px solid transparent;
        transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    }

    .btn:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 3px;
    }

    .btn-primary {
        background: var(--gold);
        color: #201607;
        padding: 14px 26px;
        border-radius: 14px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    }

    .btn-primary:hover {
        background: #ffcf7a;
        box-shadow: 0 6px 22px rgba(245, 184, 75, 0.24);
    }

    .btn-primary:active {
        transform: scale(0.98);
    }

    .btn-ghost {
        border: 1px solid rgba(255, 255, 255, 0.28);
        background: rgba(255, 255, 255, 0.03);
        color: var(--text);
        padding: 13px 24px;
    }

    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.4);
    }

    .btn-outline-gold {
        border: 1px solid rgba(245, 184, 75, 0.5);
        color: var(--gold);
        padding: 12px 20px;
        background: rgba(245, 184, 75, 0.08);
    }

    .btn-outline-gold:hover {
        background: rgba(245, 184, 75, 0.16);
        border-color: var(--gold);
    }

    .header-cta-desktop {
        padding: 10px 18px;
        font-size: 14px;
    }

    /* ===== Article Hero ===== */
    .article-hero {
        position: relative;
        min-height: 360px;
        display: flex;
        align-items: flex-end;
        padding: 150px 0 90px;
        background-color: #0d1220;
        background-image: linear-gradient(90deg, rgba(11, 14, 20, 0.22), rgba(11, 14, 20, 0.75)), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        isolation: isolate;
    }

    .article-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 14, 20, 0.4) 0%, rgba(11, 14, 20, 0.1) 70%, #0b0e14 100%);
        z-index: -1;
    }

    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--faint);
        margin-bottom: 18px;
        line-height: 1.6;
    }

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

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

    .breadcrumb-sep {
        color: rgba(255, 255, 255, 0.3);
    }

    .article-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(245, 184, 75, 0.12);
        border: 1px solid rgba(245, 184, 75, 0.4);
        color: var(--gold);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 12px;
        border-radius: 999px;
        letter-spacing: 0.03em;
    }

    .article-badge i {
        font-size: 12px;
    }

    .article-hero-title {
        max-width: 940px;
        font-size: clamp(30px, 4vw, 48px);
        line-height: 1.3;
        font-weight: 900;
        color: #fff;
        margin-top: 16px;
        letter-spacing: 0.01em;
        text-wrap: balance;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px 18px;
        color: var(--muted);
        font-size: 13px;
        margin-top: 20px;
    }

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

    .article-meta i {
        color: var(--faint);
        font-size: 14px;
    }

    /* ===== Article Main ===== */
    .article-wrap {
        max-width: 920px;
        margin: 0 auto;
    }

    .article-card {
        background: var(--surface);
        border-radius: var(--radius-lg);
        border: 1px solid var(--line);
        padding: 48px 64px;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
        margin-top: -28px;
        margin-bottom: 40px;
        position: relative;
        z-index: 2;
    }

    .article-content {
        color: #dfe5f0;
        font-size: 17px;
        line-height: 1.95;
        letter-spacing: 0.01em;
    }

    .article-content p {
        margin-bottom: 26px;
        color: #cdd4df;
    }

    .article-content strong {
        color: #fff;
        font-weight: 700;
    }

    .article-content em {
        color: var(--gold);
        font-style: normal;
    }

    .article-content h2,
    .article-content h3 {
        color: #fff;
        font-weight: 800;
        margin-top: 40px;
        margin-bottom: 18px;
        line-height: 1.5;
    }

    .article-content h2 {
        font-size: 26px;
        padding-left: 16px;
        border-left: 4px solid var(--gold);
    }

    .article-content h3 {
        font-size: 22px;
        color: var(--gold);
    }

    .article-content ul {
        margin: 20px 0 28px;
        padding: 0;
        list-style: none;
    }

    .article-content ul li {
        padding-left: 26px;
        position: relative;
        margin-bottom: 12px;
        color: #cbd2de;
    }

    .article-content ul li::before {
        content: "";
        position: absolute;
        left: 4px;
        top: 13px;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--gold);
        box-shadow: 0 0 0 3px rgba(245, 184, 75, 0.14);
    }

    .article-content ol {
        margin: 20px 0 28px;
        padding-left: 22px;
        color: #cbd2de;
    }

    .article-content ol li {
        margin-bottom: 10px;
    }

    .article-content blockquote {
        margin: 28px 0;
        padding: 18px 24px;
        border-left: 4px solid var(--gold);
        background: rgba(255, 255, 255, 0.04);
        border-radius: 0 var(--radius) var(--radius) 0;
        color: #c1cbda;
        font-style: normal;
    }

    .article-content img {
        border-radius: 14px;
        margin: 32px 0;
        background: #1a2130;
        aspect-ratio: 16 / 7;
        object-fit: cover;
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
    }

    .article-content a {
        color: var(--gold);
        text-decoration: underline;
        text-underline-offset: 4px;
        transition: opacity 0.2s ease;
    }

    .article-content a:hover {
        opacity: 0.8;
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 28px 0;
    }

    .article-content th,
    .article-content td {
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 12px 14px;
        text-align: left;
        color: #d3dae5;
    }

    .article-content th {
        color: #fff;
        background: #1a2130;
        font-weight: 700;
    }

    .article-content hr {
        border: none;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        margin: 34px 0;
    }

    .article-foot-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        justify-content: space-between;
        align-items: center;
        margin-top: 52px;
        padding-top: 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .article-fn-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 18px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: var(--muted);
        font-size: 14px;
        font-weight: 500;
        background: rgba(255, 255, 255, 0.03);
        transition: all 0.2s ease;
    }

    .article-fn-link:hover {
        color: var(--text);
        background: rgba(255, 255, 255, 0.07);
        border-color: var(--line-strong);
    }

    /* ===== Related cards ===== */
    .read-section {
        padding: 40px 0 80px;
    }

    .read-title {
        font-size: 28px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .read-title .accent-line {
        width: 20px;
        height: 4px;
        border-radius: 999px;
        background: var(--gold);
        display: inline-block;
    }

    .related-row {
        display: flex;
        flex-direction: column;
        gap: 18px;
        margin-top: 40px;
    }

    .related-card {
        display: flex;
        align-items: stretch;
        gap: 0;
        background: var(--surface);
        border-radius: 16px;
        overflow: hidden;
        border: 1px solid var(--line);
        transition: border-color 0.25s ease, background 0.3s ease, transform 0.2s ease;
    }

    .related-card:hover {
        background: rgba(18, 23, 34, 0.7);
        border-color: rgba(245, 184, 75, 0.4);
        transform: translateY(-2px);
    }

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

    .related-card-media {
        flex: 0 0 360px;
        min-height: 180px;
        position: relative;
        background: #141a26;
        overflow: hidden;
    }

    .related-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .related-card-body {
        padding: 28px 34px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 28px;
        flex: 1;
    }

    .related-card-body h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 10px;
        line-height: 1.5;
    }

    .related-card-body p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
    }

    .related-card-more {
        color: var(--gold);
        font-size: 20px;
        flex-shrink: 0;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: rgba(245, 184, 75, 0.1);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: background 0.2s ease;
    }

    .related-card:hover .related-card-more {
        background: rgba(245, 184, 75, 0.22);
    }

    /* ===== Error block ===== */
    .article-error {
        padding: 170px 0 160px;
    }

    .error-card {
        max-width: 640px;
        margin: 0 auto;
        background: var(--surface);
        border: 1px solid rgba(255, 255, 255, 0.09);
        border-radius: 20px;
        padding: 56px 44px;
        text-align: center;
    }

    .error-icon {
        width: 62px;
        height: 62px;
        margin: 0 auto 24px;
        border-radius: 50%;
        background: rgba(255, 93, 108, 0.12);
        color: var(--coral);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
    }

    .error-card h1 {
        font-size: 30px;
        font-weight: 800;
        color: var(--text);
        margin-bottom: 12px;
    }

    .error-card p {
        color: var(--muted);
        font-size: 15px;
        margin-bottom: 28px;
    }

    .empty-cta {
        display: flex;
        gap: 12px;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
    }

    .empty-cta .btn {
        font-size: 15px;
        padding: 12px 22px;
    }

    /* ===== Related & continue strip ===== */
    .continue-strip {
        background: linear-gradient(135deg, rgba(18, 23, 34, 0.9), rgba(18, 23, 34, 0.45));
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 18px;
        padding: 22px 28px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 32px;
    }

    .continue-strip h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--text);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .continue-strip h3 .dot {
        width: 8px;
        height: 8px;
        background: var(--gold);
        border-radius: 50%;
    }

    .continue-strip p {
        font-size: 14px;
        color: var(--muted);
        margin-top: 6px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #080a0f;
        border-top: 1px solid rgba(255, 255, 255, 0.07);
        padding: 72px 0 0;
        position: relative;
        margin-top: 40px;
    }

    .site-footer::before {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        opacity: 0.4;
        background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
        background-size: 48px 48px;
        pointer-events: none;
    }

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

    .footer-grid h4 {
        font-size: 15px;
        color: var(--text);
        font-weight: 700;
        margin-bottom: 18px;
        letter-spacing: 0.04em;
    }

    .footer-grid ul {
        list-style: none;
    }

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

    .footer-grid ul a {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.6;
        transition: color 0.2s ease;
    }

    .footer-grid ul a:hover {
        color: var(--gold);
    }

    .footer-note {
        color: var(--faint);
        font-size: 14px;
        line-height: 1.8;
        margin-top: 18px;
        max-width: 340px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px;
        color: var(--faint);
        font-size: 13px;
        padding: 20px 0 24px;
        margin-top: 48px;
        position: relative;
    }

    .site-header .desktop-nav {
        margin-left: auto;
    }

    /* ===== responsive ===== */
    @media (max-width: 1199px) {
        .desktop-nav {
            gap: 24px;
        }
    }

    @media (max-width: 1024px) {
        .related-card-media {
            flex-basis: 260px;
        }
    }

    @media (max-width: 767px) {
        body {
            font-size: 15px;
        }

        .site-header {
            height: 60px;
        }

        .site-header-inner {
            padding-left: 16px;
            padding-right: 16px;
        }

        .desktop-nav, .header-cta-desktop {
            display: none;
        }

        .brand-name {
            font-size: 18px;
        }

        .mobile-nav {
            top: 60px;
        }

        .mobile-nav .menu-cta {
            margin-top: 8px;
            font-size: 16px;
            border: 1px solid rgba(245, 184, 75, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: fit-content;
            padding: 12px 18px;
            border-radius: 12px;
            color: var(--gold);
        }

        .article-hero {
            min-height: 340px;
            padding: 120px 0 62px;
            align-items: flex-end;
        }

        .article-hero-title {
            font-size: 28px;
            line-height: 1.4;
        }

        .article-card {
            padding: 26px 20px;
            margin: -12px -6px 28px;
            border-radius: 16px;
        }

        .breadcrumb {
            font-size: 12px;
            gap: 6px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
        }

        .article-content h2 {
            font-size: 22px;
        }

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

        .related-card,
        .related-card:nth-child(even) {
            flex-direction: column;
        }

        .related-card-media {
            flex: 0 0 auto;
            min-height: 130px;
        }

        .related-card-media img {
            max-height: 210px;
        }

        .related-card-body {
            flex-direction: column;
            align-items: flex-start;
            padding: 22px;
        }

        .related-card-more {
            display: none;
        }

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

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

        .article-fn-link {
            width: 100%;
            justify-content: center;
        }

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

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
            padding-bottom: 18px;
        }

        .continue-strip {
            padding: 20px;
        }

        .error-card {
            padding: 36px 22px;
        }

        .error-card h1 {
            font-size: 26px;
        }
    }

/* roulang page: category2 */
:root {
      --bg: #0b0e14;
      --surface: #121722;
      --surface-2: #1a2130;
      --gold: #f5b84b;
      --gold-deep: #201607;
      --gold-shadow: rgba(245, 184, 75, 0.24);
      --mint: #40d9b8;
      --danger: #ff5d6c;
      --text-1: #edf0f5;
      --text-2: #99a2b3;
      --text-3: #5d6b80;
      --line: rgba(255, 255, 255, 0.08);
      --line-strong: rgba(255, 255, 255, 0.16);
      --radius-1: 14px;
      --radius-2: 20px;
      --shadow-card: 0 18px 42px rgba(0, 0, 0, 0.22);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text-1);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.85;
      letter-spacing: 0.01em;
      -webkit-font-smoothing: antialiased;
    }

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

    a,
    button {
      transition: all .2s ease;
    }

    button {
      border: 0;
      cursor: pointer;
    }

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

    input,
    textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .hidden {
      display: none !important;
    }

    /* ========== 导航 ========== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      background: rgba(11, 12, 18, 0.5);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
    }

    .site-header.is-scrolled {
      background: rgba(13, 17, 25, 0.94);
      border-bottom-color: rgba(255, 255, 255, 0.1);
      box-shadow: 0 12px 32px rgba(0, 0, 0, 0.26);
    }

    .site-header-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 18px;
      font-weight: 900;
      color: var(--gold-deep);
      background: radial-gradient(circle at 30% 25%, #ffd98a, var(--gold) 62%, #cf9a2f);
      box-shadow: 0 0 0 5px rgba(245, 184, 75, 0.08), 0 6px 18px rgba(0, 0, 0, 0.25);
    }

    .brand-name {
      margin-left: 10px;
      font-weight: 700;
      font-size: 18px;
      letter-spacing: 0.02em;
      line-height: 1.2;
      color: #fff;
      white-space: nowrap;
    }

    .brand-name .small {
      font-size: 14px;
      font-weight: 400;
      opacity: 0.65;
      margin-left: 2px;
    }

    .desktop-nav {
      display: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 26px 14px 22px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(237, 240, 245, 0.82);
      letter-spacing: 0.01em;
      position: relative;
      line-height: 1;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: #fff;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      height: 3px;
      border-radius: 99px;
      background: transparent;
      transform: scaleX(0.4);
      opacity: 0;
      transition: opacity .2s ease, transform .2s ease, background .2s ease;
    }

    .nav-link:hover::after {
      opacity: 0.22;
      transform: scaleX(0.7);
      background: #fff;
    }

    .nav-link.active {
      color: var(--gold);
    }

    .nav-link.active::after {
      opacity: 1;
      transform: scaleX(1);
      background: var(--gold);
    }

    .header-cta-desktop {
      padding: 9px 18px;
      font-size: 14px;
    }

    .hamburger {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.05);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .hamburger:hover {
      background: rgba(245, 184, 75, 0.2);
      color: var(--gold);
      border-color: rgba(245, 184, 75, 0.28);
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      padding: 10px 20px 24px;
      background: rgba(11, 14, 20, 0.98);
      box-shadow: 0 26px 40px rgba(0, 0, 0, 0.34);
      border-bottom: 1px solid var(--line);
      transform: translateY(-12px);
      opacity: 0;
      pointer-events: none;
      transition: opacity .22s ease, transform .22s ease;
    }

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

    .mobile-nav a {
      display: flex;
      align-items: center;
      min-height: 52px;
      font-size: 19px;
      font-weight: 600;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      color: var(--text-1);
    }

    .mobile-nav a:last-child {
      border-bottom: 0;
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
      color: var(--gold);
    }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      line-height: 1;
      padding: 13px 22px;
      outline: none;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--gold-deep);
      border: 1px solid rgba(245, 184, 75, 0.5);
    }

    .btn-primary:hover {
      background: #ffca6b;
      box-shadow: 0 6px 22px var(--gold-shadow);
      transform: translateY(-2px);
    }

    .btn-primary:active {
      transform: scale(0.98);
    }

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

    .btn-outline {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.62);
      transform: translateY(-2px);
    }

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

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    /* ========== 分类页 Hero ========== */
    .category-hero {
      position: relative;
      background:
        linear-gradient(90deg, rgba(11, 14, 20, 0.94) 0%, rgba(11, 14, 20, 0.72) 46%, rgba(11, 14, 20, 0.42) 100%),
        linear-gradient(180deg, rgba(11, 14, 20, 0.25) 0%, rgba(11, 14, 20, 0.8) 100%),
        url('/assets/images/backpic/back-2.png') center 40% / cover no-repeat;
      padding: 164px 0 76px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .category-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 160px;
      background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
      pointer-events: none;
    }

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

    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 14px;
      border-radius: 99px;
      background: rgba(245, 184, 75, 0.1);
      border: 1px solid rgba(245, 184, 75, 0.28);
      color: var(--gold);
      font-size: 13px;
      font-weight: 500;
    }

    .category-hero h1 {
      margin: 26px 0 22px;
      font-size: clamp(36px, 5vw, 58px);
      line-height: 1.2;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: #fff;
    }

    .h1-gold {
      position: relative;
      display: inline-block;
      color: var(--gold);
    }

    .category-hero .lead {
      max-width: 760px;
      margin: 0;
      color: var(--text-2);
      font-size: 16px;
      line-height: 1.85;
    }

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

    .anchor-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 16px;
      border-radius: 99px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-2);
      font-size: 14px;
      font-weight: 500;
    }

    .anchor-chip:hover {
      color: var(--gold);
      border-color: rgba(245, 184, 75, 0.4);
      background: rgba(245, 184, 75, 0.08);
    }

    /* ========== 通用区块 ========== */
    .section-space {
      padding: 86px 0 92px;
      position: relative;
    }

    .section-space + .section-space {
      padding-top: 0;
    }

    .section-head {
      display: flex;
      align-items: flex-start;
      gap: 24px;
      margin-bottom: 34px;
    }

    .section-index {
      flex: 0 0 auto;
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 14px;
      line-height: 1;
      color: var(--gold);
      border: 1px solid rgba(245, 184, 75, 0.24);
      border-radius: 10px;
      padding: 12px 14px;
      background: rgba(245, 184, 75, 0.07);
      letter-spacing: 0.08em;
    }

    .section-title {
      font-size: clamp(26px, 3vw, 34px);
      font-weight: 700;
      line-height: 1.3;
      margin: 0 0 10px;
      color: #fff;
    }

    .section-title::before {
      content: "";
      display: block;
      width: 32px;
      height: 4px;
      margin-bottom: 16px;
      border-radius: 99px;
      background: var(--gold);
      box-shadow: 0 0 14px rgba(245, 184, 75, 0.4);
    }

    .section-subtitle {
      margin: 0;
      color: var(--text-2);
      font-size: 15px;
      max-width: 760px;
    }

    /* ========== 榜单区 ========== */
    .rank-section {
      background:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 56px 56px;
      border-bottom: 1px solid var(--line);
    }

    .rank-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 6px;
    }

    .rank-card {
      display: grid;
      grid-template-columns: 64px 132px 1fr 160px;
      gap: 22px;
      align-items: center;
      background: linear-gradient(145deg, var(--surface) 0%, rgba(18, 23, 34, 0.85) 100%);
      border: 1px solid var(--line);
      border-radius: var(--radius-2);
      padding: 24px 24px 24px 18px;
      box-shadow: var(--shadow-card);
      transition: border-color .3s ease, background .3s ease, transform .3s ease;
      position: relative;
    }

    .rank-card:hover {
      border-color: rgba(245, 184, 75, 0.3);
      background: linear-gradient(145deg, rgba(26, 33, 48, 0.9) 0%, var(--surface) 100%);
      transform: translateY(-2px);
    }

    .rank-card .rank-no {
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 26px;
      font-weight: 900;
      color: var(--gold);
      text-align: center;
    }

    .rank-media {
      width: 132px;
      height: 90px;
      border-radius: var(--radius-1);
      overflow: hidden;
      background: var(--surface-2);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .rank-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

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

    .rank-main {
      min-width: 0;
    }

    .rank-title-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }

    .rank-title-row h3 {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      line-height: 1.4;
    }

    .rank-desc {
      margin: 0;
      color: var(--text-2);
      font-size: 14.5px;
      line-height: 1.78;
      max-width: 520px;
    }

    .rank-aside {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      justify-content: center;
      gap: 10px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      padding: 5px 11px;
      border-radius: 999px;
      font-size: 12.5px;
      line-height: 1;
      white-space: nowrap;
      border: 1px solid transparent;
    }

    .pill-gold {
      background: rgba(245, 184, 75, 0.12);
      color: var(--gold);
      border-color: rgba(245, 184, 75, 0.28);
    }

    .pill-mint {
      background: rgba(64, 217, 184, 0.10);
      color: var(--mint);
      border-color: rgba(64, 217, 184, 0.22);
    }

    .pill-ghost {
      background: transparent;
      color: var(--text-2);
      border-color: rgba(255, 255, 255, 0.12);
    }

    .rank-note {
      display: block;
      font-size: 12.5px;
      color: var(--text-3);
      line-height: 1.55;
      text-align: right;
    }

    .rank-compact {
      display: grid;
      grid-template-columns: 64px 1fr 150px;
      gap: 22px;
      padding: 22px 12px;
      align-items: center;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
      transition: background .2s ease;
    }

    .rank-compact:last-child {
      border-bottom: 0;
    }

    .rank-compact:hover {
      background: rgba(255, 255, 255, 0.03);
    }

    .rank-compact .rank-no {
      font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
      font-size: 19px;
      font-weight: 700;
      text-align: center;
      color: var(--text-3);
    }

    .rank-compact .rank-main h3 {
      margin: 0 0 6px;
      font-size: 17px;
      font-weight: 700;
      color: rgba(237, 240, 245, 0.9);
    }

    .rank-compact .rank-main p {
      margin: 0;
      font-size: 14px;
      color: var(--text-2);
      max-width: 600px;
    }

    .rank-list-footnote {
      margin: 26px 0 0;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 16px 20px;
      border-radius: var(--radius-1);
      background: rgba(255, 255, 255, 0.035);
      border-left: 3px solid var(--gold);
      color: var(--text-2);
      font-size: 13.5px;
      line-height: 1.7;
    }

    /* ========== 引导条 CTA ========== */
    .cta-panel {
      padding: 64px 0 70px;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      padding: 34px 38px;
      border-radius: var(--radius-2);
      border: 1px solid rgba(245, 184, 75, 0.16);
      background:
        radial-gradient(circle at 8% 30%, rgba(245, 184, 75, 0.09), transparent 28%),
        linear-gradient(100deg, var(--surface), rgba(18, 23, 34, 0.82));
      box-shadow: 0 22px 48px rgba(0, 0, 0, 0.14);
      position: relative;
    }

    .cta-copy {
      max-width: 660px;
    }

    .cta-copy h2 {
      margin: 0 0 10px;
      font-size: 24px;
      font-weight: 700;
      color: #fff;
    }

    .cta-copy p {
      margin: 0;
      color: var(--text-2);
      font-size: 15px;
      line-height: 1.8;
    }

    .cta-btn {
      flex: 0 0 auto;
    }

    /* ========== FAQ ========== */
    .faq-section {
      padding: 76px 0 104px;
      background: #080a0f;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

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

    .faq-item {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-1);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color .2s ease;
    }

    .faq-item[open] {
      border-color: rgba(245, 184, 75, 0.2);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: 64px;
      padding: 14px 22px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      transition: color .2s ease;
    }

    .faq-item summary:hover {
      color: var(--gold);
    }

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

    .faq-icon {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.16);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-2);
      transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    .faq-item[open] .faq-icon {
      color: var(--gold);
      border-color: rgba(245, 184, 75, 0.4);
      background: rgba(245, 184, 75, 0.08);
    }

    .faq-answer {
      padding: 0 24px 22px;
      color: var(--text-2);
      font-size: 14.5px;
      line-height: 1.85;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: -4px;
    }

    .faq-answer p:first-child {
      margin-top: 16px;
    }

    .faq-answer p {
      margin-bottom: 10px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: #080a0f;
      border-top: 1px solid rgba(255, 255, 255, 0.07);
      padding: 70px 0 30px;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
      background-size: 44px 44px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.8fr 0.9fr 0.9fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-grid h4 {
      margin: 4px 0 16px;
      font-size: 15px;
      font-weight: 700;
      color: #fff;
    }

    .footer-grid ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 11px;
    }

    .footer-grid ul a {
      color: var(--text-2);
      font-size: 14px;
      line-height: 1.5;
    }

    .footer-grid ul a:hover {
      color: var(--gold);
    }

    .footer-note {
      margin: 18px 0 0;
      color: var(--text-3);
      font-size: 13.5px;
      line-height: 1.85;
      max-width: 320px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-top: 26px;
      color: var(--text-3);
      font-size: 12.5px;
    }

    /* ========== 响应式 ========== */
    @media (min-width: 1024px) {
      .desktop-nav {
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .hamburger {
        display: none !important;
      }

      .mobile-nav {
        display: none !important;
      }
    }

    @media (max-width: 1023.98px) {
      .header-cta-desktop {
        display: none !important;
      }
    }

    @media (max-width: 991px) {
      .rank-card {
        grid-template-columns: 52px 118px 1fr;
      }

      .rank-aside {
        grid-column: 3 / 4;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
      }

      .rank-note {
        text-align: left;
      }

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

    @media (max-width: 767px) {
      .site-header-inner {
        min-height: 60px;
      }

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

      .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 15px;
      }

      .category-hero {
        padding: 122px 0 50px;
      }

      .category-hero h1 {
        font-size: 33px;
        margin-top: 18px;
      }

      .section-space {
        padding: 54px 0 60px;
      }

      .section-head {
        flex-direction: column;
        gap: 14px;
      }

      .section-index {
        align-self: flex-start;
      }

      .rank-card {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 18px;
      }

      .rank-card .rank-no {
        text-align: left;
        font-size: 21px;
      }

      .rank-media {
        width: 100%;
        height: 150px;
      }

      .rank-aside {
        grid-column: auto;
        flex-direction: row;
        flex-wrap: wrap;
      }

      .rank-compact {
        grid-template-columns: 42px 1fr;
        gap: 14px;
        padding: 18px 4px;
      }

      .rank-compact .rank-main h3 {
        font-size: 16px;
      }

      .cta-panel {
        padding: 46px 0;
      }

      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 26px 22px;
        border-radius: var(--radius-1);
      }

      .cta-btn {
        width: auto;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .footer-note {
        max-width: 100%;
      }

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

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .btn {
        padding: 11px 17px;
        font-size: 14px;
      }

      .category-hero h1 {
        font-size: 29px;
        line-height: 1.3;
      }

      .rank-card .rank-main h3,
      .rank-title-row h3 {
        font-size: 18px;
      }

      .rank-desc {
        font-size: 14px;
      }
    }