/* roulang page: index */
:root {
      --bg: #0f1117;
      --bg-soft: #151924;
      --surface: #ffffff;
      --surface-soft: #f7f4ef;
      --surface-warm: #fff7ea;
      --text: #171923;
      --text-inverse: #ffffff;
      --muted: #697083;
      --muted-inverse: rgba(255,255,255,.74);
      --primary: #d18b2f;
      --primary-dark: #a8671c;
      --primary-soft: rgba(209,139,47,.14);
      --accent: #7c3aed;
      --danger: #d94848;
      --success: #1b9a66;
      --border: rgba(23,25,35,.12);
      --border-dark: rgba(255,255,255,.16);
      --shadow-sm: 0 10px 28px rgba(17, 24, 39, .08);
      --shadow-md: 0 18px 48px rgba(17, 24, 39, .14);
      --shadow-lg: 0 28px 80px rgba(0, 0, 0, .28);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --container: 1180px;
      --header-h: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.72;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(209,139,47,.16), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(124,58,237,.12), transparent 30%),
        linear-gradient(180deg, #fffaf2 0%, #f7f4ef 42%, #ffffff 100%);
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    ::selection {
      color: #fff;
      background: var(--primary-dark);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      background: rgba(255, 250, 242, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(23,25,35,.08);
    }

    .nav-wrap {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      color: #171923;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background:
        linear-gradient(135deg, rgba(209,139,47,1), rgba(124,58,237,.92));
      box-shadow: 0 12px 24px rgba(209,139,47,.24);
    }

    .brand-text {
      font-size: 1.08rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 15px;
      border-radius: 999px;
      color: #323747;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, transform .2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--primary-dark);
      background: rgba(209,139,47,.12);
      outline: none;
    }

    .nav-links a.active {
      color: #fff;
      background: #171923;
      box-shadow: 0 10px 24px rgba(23,25,35,.14);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 14px 30px rgba(209,139,47,.22);
      transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
      white-space: nowrap;
    }

    .nav-action:hover,
    .nav-action:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(209,139,47,.3);
      filter: saturate(1.08);
      outline: none;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(23,25,35,.06);
      color: var(--text);
      align-items: center;
      justify-content: center;
      transition: background .2s ease;
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible {
      background: rgba(209,139,47,.14);
      outline: none;
    }

    .hero {
      position: relative;
      padding: 96px 0 68px;
      color: #fff;
      background:
        linear-gradient(120deg, rgba(15,17,23,.88), rgba(15,17,23,.64)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -8% -28% 38%;
      height: 360px;
      background: radial-gradient(circle, rgba(209,139,47,.35), transparent 64%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 48px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      padding: 8px 12px;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 999px;
      color: rgba(255,255,255,.88);
      background: rgba(255,255,255,.1);
      backdrop-filter: blur(12px);
      font-size: .92rem;
      font-weight: 800;
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(27,154,102,.18);
    }

    .hero h1 {
      margin-top: 20px;
      max-width: 760px;
      font-size: clamp(2.45rem, 5vw, 5rem);
      line-height: 1.06;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .hero-lead {
      margin-top: 24px;
      max-width: 700px;
      color: rgba(255,255,255,.8);
      font-size: clamp(1.05rem, 1.6vw, 1.22rem);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    }

    .btn-primary {
      color: #171923;
      background: #fff;
      box-shadow: 0 18px 40px rgba(0,0,0,.18);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 24px 52px rgba(0,0,0,.24);
      outline: none;
    }

    .btn-secondary {
      color: #fff;
      border: 1px solid rgba(255,255,255,.24);
      background: rgba(255,255,255,.1);
      backdrop-filter: blur(12px);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-2px);
      background: rgba(255,255,255,.16);
      outline: none;
    }

    .hero-note {
      margin-top: 20px;
      color: rgba(255,255,255,.66);
      font-size: .94rem;
    }

    .hero-panel {
      border: 1px solid rgba(255,255,255,.18);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.1);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-lg);
      padding: 22px;
    }

    .notice-card {
      padding: 24px;
      border-radius: 24px;
      background: rgba(15,17,23,.72);
      border: 1px solid rgba(255,255,255,.16);
    }

    .notice-card h2 {
      font-size: 1.35rem;
      line-height: 1.3;
      letter-spacing: -.03em;
    }

    .notice-card p {
      margin-top: 12px;
      color: rgba(255,255,255,.72);
    }

    .check-list {
      margin-top: 20px;
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: rgba(255,255,255,.86);
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      margin-top: 2px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #0f1117;
      background: #fff;
      font-size: .8rem;
      font-weight: 900;
    }

    .age-box {
      margin-top: 18px;
      padding: 16px;
      border-radius: 18px;
      background: linear-gradient(135deg, rgba(209,139,47,.26), rgba(124,58,237,.2));
      border: 1px solid rgba(255,255,255,.16);
    }

    .age-box strong {
      display: block;
      font-size: 1.9rem;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .age-box span {
      display: block;
      margin-top: 8px;
      color: rgba(255,255,255,.72);
      font-size: .94rem;
    }

    main {
      background: transparent;
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 66px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 26px;
      margin-bottom: 32px;
    }

    .section-kicker {
      color: var(--primary-dark);
      font-weight: 950;
      letter-spacing: .08em;
      font-size: .84rem;
    }

    .section-title {
      margin-top: 8px;
      font-size: clamp(1.9rem, 3vw, 3rem);
      line-height: 1.15;
      letter-spacing: -.05em;
      font-weight: 950;
      color: #171923;
    }

    .section-desc {
      max-width: 560px;
      color: var(--muted);
      font-size: 1.02rem;
    }

    .pill-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.76);
      color: #3b4152;
      font-weight: 800;
      font-size: .92rem;
      box-shadow: 0 8px 20px rgba(17,24,39,.04);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .card {
      position: relative;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: rgba(255,255,255,.84);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(209,139,47,.28);
    }

    .feature-card {
      padding: 26px;
    }

    .icon {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 1.3rem;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 14px 24px rgba(124,58,237,.15);
    }

    .feature-card h3 {
      margin-top: 20px;
      font-size: 1.22rem;
      letter-spacing: -.03em;
      line-height: 1.3;
    }

    .feature-card p {
      margin-top: 10px;
      color: var(--muted);
    }

    .split {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 34px;
      align-items: center;
    }

    .image-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(255,255,255,.5);
      min-height: 420px;
      background: #111;
    }

    .image-card img {
      height: 100%;
      min-height: 420px;
      object-fit: cover;
    }

    .image-badge {
      position: absolute;
      left: 22px;
      bottom: 22px;
      right: 22px;
      padding: 18px;
      border-radius: 20px;
      color: #fff;
      background: rgba(15,17,23,.72);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,.16);
    }

    .image-badge strong {
      display: block;
      font-size: 1.16rem;
      letter-spacing: -.03em;
    }

    .image-badge span {
      display: block;
      margin-top: 6px;
      color: rgba(255,255,255,.7);
      font-size: .94rem;
    }

    .content-stack {
      display: grid;
      gap: 14px;
    }

    .info-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.78);
      border: 1px solid var(--border);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
    }

    .info-index {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 950;
    }

    .info-item h3 {
      font-size: 1.08rem;
      letter-spacing: -.02em;
    }

    .info-item p {
      margin-top: 4px;
      color: var(--muted);
      font-size: .98rem;
    }

    .band {
      padding: 34px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        linear-gradient(135deg, rgba(15,17,23,.92), rgba(15,17,23,.74)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .band::after {
      content: "";
      position: absolute;
      width: 240px;
      height: 240px;
      right: -70px;
      top: -90px;
      border-radius: 50%;
      background: rgba(209,139,47,.28);
      filter: blur(8px);
    }

    .band-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 28px;
    }

    .band h2 {
      font-size: clamp(1.6rem, 2.5vw, 2.45rem);
      line-height: 1.18;
      letter-spacing: -.05em;
    }

    .band p {
      max-width: 720px;
      margin-top: 10px;
      color: rgba(255,255,255,.72);
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      min-width: 420px;
    }

    .stat {
      padding: 18px;
      border-radius: 18px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.1);
      backdrop-filter: blur(10px);
    }

    .stat strong {
      display: block;
      font-size: 1.7rem;
      line-height: 1.1;
      letter-spacing: -.04em;
    }

    .stat span {
      display: block;
      margin-top: 8px;
      color: rgba(255,255,255,.68);
      font-size: .9rem;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .guide-card {
      padding: 22px;
      min-height: 220px;
      background: #fff;
    }

    .guide-card .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: .84rem;
      font-weight: 900;
    }

    .guide-card h3 {
      margin-top: 18px;
      font-size: 1.14rem;
      line-height: 1.34;
      letter-spacing: -.03em;
    }

    .guide-card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: .96rem;
    }

    .latest-section {
      background: linear-gradient(180deg, rgba(255,255,255,.72), rgba(247,244,239,.72));
      border-top: 1px solid rgba(23,25,35,.06);
      border-bottom: 1px solid rgba(23,25,35,.06);
    }

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

    .post-item {
      display: grid;
      grid-template-columns: 160px 1fr auto;
      gap: 20px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,.88);
      box-shadow: 0 12px 26px rgba(17,24,39,.05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .post-item:hover,
    .post-item:focus-within {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(209,139,47,.28);
    }

    .post-meta {
      display: flex;
      flex-direction: column;
      gap: 8px;
      color: var(--muted);
      font-size: .9rem;
    }

    .post-cat {
      width: fit-content;
      padding: 5px 10px;
      border-radius: 999px;
      color: #fff;
      background: #171923;
      font-weight: 850;
      font-size: .82rem;
    }

    .post-main h3 {
      font-size: 1.18rem;
      line-height: 1.35;
      letter-spacing: -.03em;
    }

    .post-main h3 a {
      transition: color .2s ease;
    }

    .post-main h3 a:hover,
    .post-main h3 a:focus-visible {
      color: var(--primary-dark);
      outline: none;
    }

    .post-main p {
      margin-top: 6px;
      color: var(--muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .post-arrow {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-weight: 950;
    }

    .empty-state {
      padding: 28px;
      border-radius: 22px;
      background: rgba(255,255,255,.86);
      border: 1px dashed rgba(23,25,35,.18);
      color: var(--muted);
      text-align: center;
      font-weight: 800;
    }

    .cover-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .cover-card {
      min-height: 360px;
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      background: #111;
    }

    .cover-card img {
      height: 360px;
      object-fit: cover;
      transition: transform .35s ease;
    }

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

    .cover-content {
      position: absolute;
      inset: auto 0 0 0;
      padding: 26px;
      color: #fff;
      background: linear-gradient(180deg, transparent, rgba(0,0,0,.78));
    }

    .cover-content h3 {
      font-size: 1.32rem;
      letter-spacing: -.03em;
    }

    .cover-content p {
      margin-top: 8px;
      color: rgba(255,255,255,.72);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 34px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: 20px;
      background: rgba(255,255,255,.88);
      box-shadow: 0 10px 24px rgba(17,24,39,.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 19px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--text);
      text-align: left;
      font-weight: 950;
      letter-spacing: -.02em;
    }

    .faq-question span:last-child {
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      background: var(--primary-soft);
      transition: transform .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .cta {
      padding: 74px 0;
    }

    .cta-box {
      position: relative;
      padding: 44px;
      border-radius: 34px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(15,17,23,.94), rgba(62,44,82,.88)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      inset: -40% auto auto -10%;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(209,139,47,.22);
      filter: blur(8px);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 30px;
    }

    .cta h2 {
      font-size: clamp(1.9rem, 3vw, 3.2rem);
      line-height: 1.12;
      letter-spacing: -.06em;
    }

    .cta p {
      max-width: 740px;
      margin-top: 14px;
      color: rgba(255,255,255,.72);
      font-size: 1.04rem;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      padding: 54px 0 30px;
      color: rgba(255,255,255,.72);
      background: #0f1117;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .7fr .7fr;
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      font-size: 1.1rem;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-text {
      max-width: 560px;
      margin-top: 16px;
      color: rgba(255,255,255,.62);
    }

    .footer-col h3 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255,255,255,.64);
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      outline: none;
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255,255,255,.52);
      font-size: .92rem;
    }

    .focus-ring:focus-visible {
      outline: 3px solid rgba(209,139,47,.4);
      outline-offset: 3px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .split,
      .faq-wrap,
      .cta-content {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 76px;
      }

      .hero-panel {
        max-width: 720px;
      }

      .feature-grid,
      .guide-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .band-inner {
        grid-template-columns: 1fr;
      }

      .stats {
        min-width: 0;
        width: 100%;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }

      .post-item {
        grid-template-columns: 130px 1fr auto;
      }

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

      .footer-grid > :first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: auto;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        height: auto;
      }

      .nav-wrap {
        min-height: 68px;
        flex-wrap: wrap;
        gap: 12px;
        padding: 12px 0;
      }

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

      .nav-links {
        order: 3;
        width: 100%;
        display: none;
        padding: 10px;
        border-radius: 18px;
        background: rgba(255,255,255,.9);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
      }

      .nav-links.open {
        display: grid;
      }

      .nav-links a {
        justify-content: center;
      }

      .nav-action {
        display: none;
      }

      .hero {
        padding: 62px 0 46px;
      }

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

      .btn {
        width: 100%;
      }

      .section,
      .section-tight {
        padding: 58px 0;
      }

      .feature-grid,
      .guide-grid,
      .cover-grid {
        grid-template-columns: 1fr;
      }

      .stats {
        grid-template-columns: 1fr;
      }

      .post-item {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .post-meta {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }

      .post-arrow {
        display: none;
      }

      .cta-box,
      .band {
        padding: 28px;
        border-radius: 26px;
      }

      .cta-actions {
        justify-content: stretch;
      }

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

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .brand-text {
        font-size: 1rem;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero h1 {
        font-size: 2.25rem;
      }

      .hero-panel,
      .notice-card,
      .feature-card,
      .guide-card {
        border-radius: 20px;
      }

      .image-card,
      .image-card img {
        min-height: 320px;
      }

      .cover-card,
      .cover-card img {
        min-height: 300px;
        height: 300px;
      }

      .section-title {
        font-size: 1.85rem;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

/* roulang page: article */
:root {
      --bg: #0f1117;
      --bg-soft: #151924;
      --surface: #ffffff;
      --surface-soft: #f7f4ef;
      --surface-warm: #fff7ea;
      --text: #171923;
      --text-inverse: #ffffff;
      --muted: #697083;
      --muted-inverse: rgba(255,255,255,.74);
      --primary: #d18b2f;
      --primary-dark: #a8671c;
      --primary-soft: rgba(209,139,47,.14);
      --accent: #7c3aed;
      --danger: #d94848;
      --success: #1b9a66;
      --border: rgba(23,25,35,.12);
      --border-dark: rgba(255,255,255,.16);
      --shadow-sm: 0 10px 28px rgba(17, 24, 39, .08);
      --shadow-md: 0 18px 48px rgba(17, 24, 39, .14);
      --shadow-lg: 0 28px 80px rgba(0, 0, 0, .28);
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 30px;
      --container: 1180px;
      --header-h: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-height: 100vh;
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.72;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 6%, rgba(209,139,47,.16), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(124,58,237,.12), transparent 30%),
        linear-gradient(180deg, #fffaf2 0%, #f7f4ef 42%, #ffffff 100%);
      overflow-x: hidden;
    }

    ::selection {
      background: rgba(209,139,47,.22);
      color: #171923;
    }

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

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

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

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

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

    .focus-ring:focus-visible {
      outline: 3px solid rgba(209,139,47,.34);
      outline-offset: 3px;
      border-radius: 14px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--header-h);
      background: rgba(255, 250, 242, .86);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(23,25,35,.08);
    }

    .nav-wrap {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      position: relative;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      color: #171923;
      white-space: nowrap;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(209,139,47,1), rgba(124,58,237,.92));
      box-shadow: 0 12px 24px rgba(209,139,47,.24);
    }

    .brand-text {
      font-size: 1.08rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 15px;
      border-radius: 999px;
      color: #323747;
      font-weight: 700;
      transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--primary-dark);
      background: rgba(209,139,47,.12);
      outline: none;
    }

    .nav-links a.active {
      color: #fff;
      background: #171923;
      box-shadow: 0 10px 24px rgba(23,25,35,.14);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 14px 30px rgba(209,139,47,.22);
      transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
      white-space: nowrap;
      flex: 0 0 auto;
    }

    .nav-action:hover,
    .nav-action:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(209,139,47,.3);
      filter: saturate(1.08);
      outline: none;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(23,25,35,.06);
      color: var(--text);
      align-items: center;
      justify-content: center;
      transition: background .2s ease, transform .2s ease;
      flex: 0 0 auto;
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible {
      background: rgba(209,139,47,.14);
      outline: none;
    }

    main {
      display: block;
    }

    .page-hero {
      position: relative;
      padding: 84px 0 62px;
      color: #fff;
      background:
        linear-gradient(120deg, rgba(15,17,23,.90), rgba(15,17,23,.68)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 16% 18%, rgba(209,139,47,.22), transparent 24%),
        radial-gradient(circle at 88% 22%, rgba(124,58,237,.18), transparent 22%);
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: auto -10% -30% 34%;
      height: 320px;
      background: radial-gradient(circle, rgba(209,139,47,.30), transparent 64%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
      gap: 32px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      padding: 8px 12px;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 999px;
      color: rgba(255,255,255,.88);
      background: rgba(255,255,255,.1);
      backdrop-filter: blur(12px);
      font-size: .92rem;
      font-weight: 800;
      box-shadow: 0 12px 34px rgba(0,0,0,.08);
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(27,154,102,.18);
      flex: 0 0 auto;
    }

    .page-hero h1 {
      margin: 18px 0 0;
      max-width: 760px;
      font-size: clamp(2.25rem, 5vw, 4.8rem);
      line-height: 1.06;
      letter-spacing: -.06em;
      font-weight: 950;
      text-wrap: balance;
    }

    .hero-lead {
      margin-top: 20px;
      max-width: 720px;
      color: rgba(255,255,255,.82);
      font-size: clamp(1rem, 1.45vw, 1.12rem);
    }

    .hero-meta {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.16);
      color: rgba(255,255,255,.88);
      font-weight: 700;
      backdrop-filter: blur(14px);
    }

    .meta-pill strong {
      color: #fff;
      font-weight: 900;
    }

    .hero-actions {
      margin-top: 26px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-solid,
    .btn-ghost,
    .btn-soft {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .btn-solid {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 16px 32px rgba(209,139,47,.24);
    }

    .btn-solid:hover,
    .btn-solid:focus-visible {
      transform: translateY(-2px);
      color: #fff;
      box-shadow: 0 22px 40px rgba(209,139,47,.30);
      outline: none;
    }

    .btn-ghost {
      color: #fff;
      border: 1px solid rgba(255,255,255,.22);
      background: rgba(255,255,255,.08);
      backdrop-filter: blur(12px);
    }

    .btn-ghost:hover,
    .btn-ghost:focus-visible {
      transform: translateY(-2px);
      background: rgba(255,255,255,.14);
      outline: none;
    }

    .btn-soft {
      color: #1f2533;
      background: var(--surface);
      border: 1px solid rgba(23,25,35,.10);
      box-shadow: var(--shadow-sm);
    }

    .btn-soft:hover,
    .btn-soft:focus-visible {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      outline: none;
    }

    .hero-panel {
      position: relative;
      border-radius: var(--radius-lg);
      padding: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      backdrop-filter: blur(16px);
      box-shadow: var(--shadow-lg);
    }

    .hero-media {
      overflow: hidden;
      border-radius: calc(var(--radius-lg) - 6px);
      background: rgba(255,255,255,.06);
      position: relative;
      min-height: 320px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }

    .hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 320px;
      filter: saturate(1.02) contrast(1.04);
      transform: scale(1.01);
    }

    .hero-badge {
      position: absolute;
      left: 18px;
      bottom: 18px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(15,17,23,.72);
      color: #fff;
      font-weight: 800;
      backdrop-filter: blur(10px);
      box-shadow: 0 16px 36px rgba(0,0,0,.18);
    }

    .hero-panel-card {
      margin-top: 14px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.92);
      color: var(--text);
      box-shadow: 0 14px 34px rgba(17,24,39,.10);
    }

    .hero-panel-card h2 {
      margin: 0;
      font-size: 1.02rem;
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .hero-panel-card p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: .96rem;
    }

    .section {
      padding: 28px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(1.35rem, 2vw, 2rem);
      line-height: 1.18;
      font-weight: 900;
      letter-spacing: -.03em;
      color: #171923;
    }

    .section-subtitle {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 62ch;
    }

    .notice-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 18px;
    }

    .notice-card,
    .article-card,
    .side-card,
    .faq-card,
    .cta-card,
    .missing-card {
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(23,25,35,.10);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .notice-card {
      padding: 22px;
    }

    .notice-card h3,
    .side-card h3,
    .cta-card h3,
    .missing-card h3 {
      margin: 0;
      font-size: 1.08rem;
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: -.02em;
      color: #171923;
    }

    .notice-card p,
    .side-card p,
    .cta-card p,
    .missing-card p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .notice-list,
    .quick-list,
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .notice-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .notice-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px 15px;
      border-radius: 16px;
      background: var(--surface-soft);
      border: 1px solid rgba(23,25,35,.08);
    }

    .notice-icon {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      background: linear-gradient(135deg, rgba(209,139,47,.18), rgba(124,58,237,.14));
      color: var(--primary-dark);
      font-weight: 900;
    }

    .notice-item strong {
      display: block;
      font-size: .98rem;
      color: #1f2533;
    }

    .notice-item span {
      display: block;
      color: var(--muted);
      font-size: .95rem;
      margin-top: 2px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      font-size: .92rem;
      font-weight: 800;
      color: #50340e;
      background: rgba(209,139,47,.12);
      border: 1px solid rgba(209,139,47,.18);
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: #f3f4f8;
      border: 1px solid rgba(23,25,35,.08);
      color: #343b4a;
      font-weight: 700;
      font-size: .92rem;
    }

    .article-shell {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(290px, .7fr);
      gap: 20px;
      align-items: start;
    }

    .article-card {
      overflow: hidden;
    }

    .article-cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #e9e2d8;
    }

    .article-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 48%, rgba(15,17,23,.16) 100%);
      pointer-events: none;
    }

    .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .article-card:hover .article-cover img {
      transform: scale(1.03);
    }

    .article-inner {
      padding: 24px;
    }

    .article-headline {
      margin: 0;
      font-size: clamp(1.45rem, 2vw, 2.35rem);
      line-height: 1.2;
      letter-spacing: -.04em;
      font-weight: 950;
      color: #171923;
      text-wrap: balance;
    }

    .article-meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }

    .article-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      background: #f6f7fb;
      color: #3a4050;
      border: 1px solid rgba(23,25,35,.08);
      font-size: .92rem;
      font-weight: 700;
    }

    .article-meta-item b {
      color: #171923;
      font-weight: 900;
    }

    .article-content {
      margin-top: 18px;
      color: #272b36;
      font-size: 16px;
      line-height: 1.9;
      word-break: break-word;
      overflow-wrap: anywhere;
    }

    .article-content > :first-child {
      margin-top: 0;
    }

    .article-content > :last-child {
      margin-bottom: 0;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      margin: 1.8em 0 .8em;
      line-height: 1.28;
      letter-spacing: -.03em;
      font-weight: 900;
      color: #171923;
    }

    .article-content h2 {
      font-size: clamp(1.28rem, 1.7vw, 1.7rem);
    }

    .article-content h3 {
      font-size: 1.18rem;
    }

    .article-content p {
      margin: 0 0 1em;
      color: #2b3040;
    }

    .article-content a {
      color: var(--primary-dark);
      text-decoration: underline;
      text-underline-offset: 3px;
      transition: color .2s ease, opacity .2s ease;
    }

    .article-content a:hover {
      color: var(--accent);
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 1em 1.2em;
      padding: 0;
    }

    .article-content li + li {
      margin-top: .48em;
    }

    .article-content blockquote {
      margin: 1.3em 0;
      padding: 18px 18px 18px 20px;
      border-left: 4px solid var(--primary);
      background: linear-gradient(180deg, rgba(209,139,47,.08), rgba(209,139,47,.04));
      border-radius: 0 18px 18px 0;
      color: #3b4253;
    }

    .article-content hr {
      margin: 1.6em 0;
      border: 0;
      border-top: 1px solid rgba(23,25,35,.10);
    }

    .article-content img {
      margin: 1.25em 0;
      border-radius: 18px;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .article-content figure {
      margin: 1.2em 0;
    }

    .article-content figcaption {
      margin-top: 8px;
      color: var(--muted);
      font-size: .92rem;
      text-align: center;
    }

    .article-content table {
      width: 100%;
      margin: 1.2em 0;
      border-collapse: collapse;
      display: block;
      overflow: auto;
      border: 1px solid rgba(23,25,35,.10);
      border-radius: 16px;
      background: #fff;
    }

    .article-content th,
    .article-content td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(23,25,35,.08);
      text-align: left;
      white-space: nowrap;
    }

    .article-content th {
      background: #f7f4ef;
      font-weight: 900;
      color: #1c2230;
    }

    .article-content pre {
      margin: 1.2em 0;
      padding: 16px 18px;
      border-radius: 18px;
      background: #111827;
      color: #eef2ff;
      overflow: auto;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }

    .article-content code {
      padding: .18em .4em;
      border-radius: 8px;
      background: rgba(23,25,35,.06);
      color: #9a3412;
      font-size: .94em;
    }

    .article-content pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .article-content details {
      margin: 1em 0;
      padding: 14px 16px;
      border-radius: 16px;
      background: #faf8f4;
      border: 1px solid rgba(23,25,35,.08);
    }

    .article-content summary {
      cursor: pointer;
      font-weight: 800;
      color: #1e2432;
      list-style: none;
    }

    .article-content summary::-webkit-details-marker {
      display: none;
    }

    .article-content details[open] summary {
      margin-bottom: 10px;
    }

    .article-content .aligncenter {
      margin-left: auto;
      margin-right: auto;
    }

    .article-content .wp-caption,
    .article-content .caption {
      max-width: 100%;
      color: var(--muted);
      font-size: .92rem;
    }

    .article-content .alignleft {
      float: left;
      margin: 0 18px 12px 0;
    }

    .article-content .alignright {
      float: right;
      margin: 0 0 12px 18px;
    }

    .article-content::after {
      content: "";
      display: block;
      clear: both;
    }

    .side-stack {
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 18px;
    }

    .side-card .mini-title {
      font-size: .94rem;
      color: var(--muted);
      font-weight: 700;
      margin-bottom: 8px;
    }

    .quick-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .quick-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 14px;
      background: var(--surface-soft);
      border: 1px solid rgba(23,25,35,.08);
      color: #232838;
      font-weight: 700;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .quick-list a:hover,
    .quick-list a:focus-visible {
      transform: translateY(-1px);
      border-color: rgba(209,139,47,.25);
      box-shadow: 0 12px 22px rgba(17,24,39,.08);
      outline: none;
    }

    .quick-list small {
      color: var(--muted);
      font-weight: 600;
    }

    .small-cover {
      margin-top: 14px;
      border-radius: 16px;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      background: #ece5da;
      box-shadow: var(--shadow-sm);
    }

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

    .stat-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }

    .stat-card {
      padding: 14px 12px;
      border-radius: 16px;
      background: #f7f4ef;
      border: 1px solid rgba(23,25,35,.08);
      text-align: center;
    }

    .stat-card strong {
      display: block;
      font-size: 1.05rem;
      color: #171923;
      font-weight: 950;
    }

    .stat-card span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: .9rem;
    }

    .faq-card {
      padding: 22px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .faq-item {
      border-radius: 16px;
      border: 1px solid rgba(23,25,35,.08);
      background: #fff;
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 16px 18px;
      font-weight: 900;
      color: #1b2130;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .faq-item summary::after {
      content: "+";
      color: var(--primary-dark);
      font-size: 1.2rem;
      line-height: 1;
      flex: 0 0 auto;
      transition: transform .2s ease;
    }

    .faq-item[open] summary {
      border-bottom: 1px solid rgba(23,25,35,.08);
      background: linear-gradient(180deg, rgba(209,139,47,.06), rgba(209,139,47,.03));
    }

    .faq-item[open] summary::after {
      content: "–";
    }

    .faq-item .faq-body {
      padding: 14px 18px 18px;
      color: var(--muted);
    }

    .cta-card {
      padding: 24px;
      background:
        radial-gradient(circle at 12% 18%, rgba(209,139,47,.10), transparent 26%),
        radial-gradient(circle at 88% 24%, rgba(124,58,237,.08), transparent 22%),
        rgba(255,255,255,.96);
    }

    .cta-actions {
      margin-top: 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .missing-card {
      padding: 26px;
      text-align: center;
    }

    .missing-card .missing-icon {
      width: 72px;
      height: 72px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      margin: 0 auto 14px;
      background: linear-gradient(135deg, rgba(209,139,47,.16), rgba(124,58,237,.12));
      color: var(--primary-dark);
      font-size: 1.8rem;
      font-weight: 900;
    }

    .article-area {
      padding: 14px 0 10px;
    }

    .article-rail {
      margin-top: 18px;
    }

    .footer-gap {
      height: 10px;
    }

    .site-footer {
      margin-top: 18px;
      background: linear-gradient(180deg, #151924, #0f1117);
      color: #fff;
      padding: 48px 0 24px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 24px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      color: #fff;
      font-size: 1.08rem;
      letter-spacing: -.02em;
    }

    .footer-text {
      margin: 16px 0 0;
      color: var(--muted-inverse);
      max-width: 34rem;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      font-size: 1rem;
      font-weight: 900;
      color: #fff;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,.76);
      transition: color .2s ease, transform .2s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }

    .footer-bottom {
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      color: rgba(255,255,255,.72);
      font-size: .94rem;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .article-shell,
      .notice-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 720px;
      }

      .section-head {
        align-items: start;
        flex-direction: column;
      }

      .stat-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-wrap {
        gap: 14px;
      }

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

      .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255,250,242,.98);
        border: 1px solid rgba(23,25,35,.08);
        box-shadow: var(--shadow-md);
      }

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

      .nav-links a {
        justify-content: center;
      }

      .nav-action {
        display: none;
      }

      .page-hero {
        padding: 64px 0 48px;
      }

      .page-hero h1 {
        font-size: clamp(2rem, 10vw, 3rem);
      }

      .hero-media,
      .hero-media img {
        min-height: 240px;
      }

      .article-inner {
        padding: 20px;
      }

      .stat-grid {
        grid-template-columns: 1fr;
      }

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

      .btn-solid,
      .btn-ghost,
      .btn-soft {
        width: 100%;
      }

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

    @media (max-width: 520px) {
      .brand-text,
      .footer-brand span:last-child {
        font-size: 1rem;
      }

      .page-hero {
        padding: 56px 0 42px;
      }

      .hero-panel {
        padding: 14px;
      }

      .hero-panel-card,
      .notice-card,
      .side-card,
      .faq-card,
      .cta-card,
      .missing-card {
        padding: 18px;
      }

      .article-inner {
        padding: 18px 16px 20px;
      }

      .article-meta-row,
      .tag-row {
        gap: 8px;
      }

      .article-meta-item,
      .meta-pill,
      .tag,
      .badge-soft {
        width: fit-content;
      }

      .site-footer {
        padding: 40px 0 20px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}