/* roulang page: index */
:root {
      --ink: #171417;
      --ink-soft: #2A2528;
      --muted: #6F666A;
      --weak: #9B9094;
      --plum: #7A4C63;
      --plum-dark: #653B51;
      --rose: #C98B9D;
      --bg: #F7F3EF;
      --beige: #EFE7DE;
      --paper: #FFFFFF;
      --paper-warm: #FBF8F5;
      --line: #E4DAD5;
      --tag: #F2E5EA;
      --shadow: 0 12px 32px rgba(42, 37, 40, .08);
      --shadow-hover: 0 18px 44px rgba(42, 37, 40, .12);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1220px;
      --ease: cubic-bezier(.2, .7, .2, 1);
    }

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

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

    body {
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink-soft);
      background:
        radial-gradient(circle at 8% 6%, rgba(201, 139, 157, .13), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(122, 76, 99, .10), transparent 34%),
        var(--bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), background .22s var(--ease);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      color: var(--ink-soft);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      outline: none;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    input {
      height: 52px;
      padding: 0 16px;
    }

    textarea {
      min-height: 132px;
      padding: 14px 16px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(122, 76, 99, .22);
      border-color: var(--plum);
    }

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

    .container {
      width: min(100% - 64px, var(--container));
      margin-inline: auto;
    }

    .age-bar {
      position: relative;
      z-index: 60;
      color: #F8F1ED;
      background: var(--ink);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .age-bar__inner {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      font-size: 13px;
      letter-spacing: .02em;
      text-align: center;
    }

    .age-dot {
      width: 9px;
      height: 9px;
      flex: 0 0 auto;
      border-radius: 999px;
      background: var(--rose);
      box-shadow: 0 0 0 5px rgba(201, 139, 157, .14);
    }

    .age-close {
      position: absolute;
      right: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: rgba(255, 255, 255, .78);
      width: 32px;
      height: 32px;
      border-radius: 999px;
      transition: background .22s var(--ease), color .22s var(--ease);
    }

    .age-close:hover {
      color: #fff;
      background: rgba(255, 255, 255, .10);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 243, 239, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .site-header.is-scrolled {
      box-shadow: 0 10px 28px rgba(42, 37, 40, .07);
      background: rgba(247, 243, 239, .97);
    }

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -.03em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: #FFF8F3;
      background: linear-gradient(135deg, var(--ink), var(--plum));
      border-radius: 13px;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
      font-size: 18px;
      font-weight: 900;
    }

    .brand-text {
      font-size: 20px;
      line-height: 1.1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
      flex: 1;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .nav-links a:hover,
    .nav-links a.is-active {
      color: var(--plum);
      background: rgba(122, 76, 99, .08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      border: 1px solid var(--line);
      color: var(--ink);
      background: var(--paper-warm);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
      content: "";
    }

    .mobile-toggle span::before {
      transform: translateY(-7px);
    }

    .mobile-toggle span::after {
      transform: translateY(5px);
    }

    .mobile-toggle.is-open span {
      transform: rotate(45deg);
    }

    .mobile-toggle.is-open span::before {
      transform: translateY(0) rotate(90deg);
    }

    .mobile-toggle.is-open span::after {
      opacity: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 13px 23px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 760;
      line-height: 1;
      white-space: nowrap;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
    }

    .btn-primary {
      color: #FFF8F3;
      background: var(--plum);
      box-shadow: 0 10px 22px rgba(122, 76, 99, .18);
    }

    .btn-primary:hover {
      background: var(--plum-dark);
      transform: translateY(-1px);
      box-shadow: 0 15px 28px rgba(122, 76, 99, .22);
    }

    .btn-secondary {
      color: var(--plum);
      background: rgba(255, 255, 255, .72);
      border-color: rgba(122, 76, 99, .46);
    }

    .btn-secondary:hover {
      background: var(--tag);
      border-color: var(--plum);
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--plum);
      font-weight: 750;
      line-height: 1.3;
    }

    .text-link .arrow {
      transition: transform .22s var(--ease);
    }

    .text-link:hover {
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .text-link:hover .arrow {
      transform: translateX(4px);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 88px 0;
    }

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

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--plum);
      background: rgba(242, 229, 234, .86);
      border: 1px solid rgba(122, 76, 99, .12);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 12px;
      font-weight: 760;
      letter-spacing: .04em;
    }

    .section-kicker::before,
    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--rose);
    }

    h1,
    h2,
    h3 {
      color: var(--ink);
      letter-spacing: -.04em;
    }

    h1 {
      max-width: 740px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.14;
      font-weight: 850;
    }

    h2 {
      font-size: clamp(30px, 3.6vw, 38px);
      line-height: 1.22;
      font-weight: 800;
    }

    h3 {
      font-size: 22px;
      line-height: 1.35;
      font-weight: 760;
    }

    .lead {
      color: var(--muted);
      font-size: 17px;
      line-height: 1.82;
    }

    .hero {
      position: relative;
      padding: 82px 0 76px;
    }

    .hero::before {
      position: absolute;
      inset: -12% -8% auto auto;
      width: 520px;
      height: 520px;
      pointer-events: none;
      content: "";
      background: radial-gradient(circle, rgba(122, 76, 99, .15), transparent 66%);
      filter: blur(4px);
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .72fr);
      gap: 54px;
      align-items: center;
    }

    .hero-copy {
      padding: 18px 0;
    }

    .hero-copy .lead {
      max-width: 660px;
      margin-top: 22px;
    }

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

    .trust-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 680px;
      margin-top: 34px;
    }

    .trust-item {
      padding: 16px 18px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: 0 10px 24px rgba(42, 37, 40, .05);
    }

    .trust-item strong {
      display: block;
      color: var(--ink);
      font-size: 18px;
      line-height: 1.2;
      margin-bottom: 5px;
    }

    .trust-item span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .hero-visual {
      position: relative;
      min-height: 520px;
      border-radius: 34px;
      overflow: hidden;
      background: var(--ink);
      box-shadow: var(--shadow-hover);
      isolation: isolate;
    }

    .hero-visual img {
      width: 100%;
      height: 100%;
      min-height: 520px;
      object-fit: cover;
      opacity: .78;
      filter: saturate(.82) contrast(.96);
    }

    .hero-visual::after {
      position: absolute;
      inset: 0;
      content: "";
      background:
        linear-gradient(180deg, rgba(23, 20, 23, .18), rgba(23, 20, 23, .68)),
        radial-gradient(circle at 20% 15%, rgba(201, 139, 157, .22), transparent 32%);
      z-index: 1;
    }

    .visual-note {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      z-index: 2;
      padding: 22px;
      color: #FFF8F3;
      background: rgba(23, 20, 23, .70);
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: 24px;
      backdrop-filter: blur(12px);
    }

    .visual-note small {
      display: inline-flex;
      margin-bottom: 8px;
      color: #F2C5D1;
      font-weight: 750;
      letter-spacing: .04em;
    }

    .visual-note p {
      color: rgba(255, 248, 243, .84);
      font-size: 14px;
      line-height: 1.7;
    }

    .guide-layout {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .guide-main,
    .guide-side-card,
    .notice-strip,
    .evidence-card,
    .news-card,
    .faq-item,
    .feedback-card,
    .privacy-card {
      background: var(--paper);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
    }

    .guide-main {
      min-height: 420px;
      display: grid;
      grid-template-columns: .88fr 1fr;
      gap: 28px;
      padding: 28px;
      border-radius: 28px;
    }

    .guide-main:hover,
    .guide-side-card:hover,
    .news-card:hover,
    .evidence-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(122, 76, 99, .32);
    }

    .guide-image {
      position: relative;
      overflow: hidden;
      min-height: 300px;
      border-radius: 24px;
      background: var(--beige);
    }

    .guide-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.9);
    }

    .guide-image::after {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(180deg, transparent, rgba(23, 20, 23, .38));
    }

    .icon-line {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      margin-bottom: 16px;
      color: var(--plum);
      background: var(--tag);
      border: 1px solid rgba(122, 76, 99, .14);
      border-radius: 16px;
      font-size: 20px;
      font-weight: 850;
    }

    .guide-content {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding-right: 8px;
    }

    .guide-content p,
    .guide-side-card p,
    .evidence-card p {
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 20px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 11px;
      color: var(--plum);
      background: var(--tag);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 760;
      letter-spacing: .02em;
    }

    .guide-side {
      display: grid;
      gap: 24px;
    }

    .guide-side-card {
      display: grid;
      grid-template-columns: 58px 1fr;
      gap: 16px;
      align-items: start;
      padding: 24px;
      border-radius: 24px;
    }

    .notice-strip {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 22px 26px;
      border-radius: 24px;
      background: linear-gradient(135deg, #fff, #FBF2EF);
    }

    .notice-strip p {
      color: var(--muted);
      font-size: 15px;
    }

    .latest-wrap {
      display: grid;
      grid-template-columns: 360px 1fr;
      gap: 40px;
      align-items: start;
    }

    .latest-aside {
      position: sticky;
      top: 106px;
      padding: 30px;
      color: #FFF8F3;
      background: var(--ink);
      border-radius: 28px;
      box-shadow: var(--shadow-hover);
      overflow: hidden;
    }

    .latest-aside::before {
      position: absolute;
      right: -90px;
      top: -110px;
      width: 260px;
      height: 260px;
      content: "";
      background: radial-gradient(circle, rgba(201, 139, 157, .26), transparent 68%);
    }

    .latest-aside h2 {
      position: relative;
      color: #FFF8F3;
    }

    .latest-aside p {
      position: relative;
      margin-top: 15px;
      color: rgba(255, 248, 243, .72);
      font-size: 15px;
      line-height: 1.78;
    }

    .latest-aside .tag-row {
      position: relative;
    }

    .latest-aside .tag {
      color: #F8E3EA;
      background: rgba(201, 139, 157, .14);
      border: 1px solid rgba(201, 139, 157, .18);
    }

    .news-list {
      display: grid;
      gap: 16px;
    }

    .news-card {
      position: relative;
      display: block;
      padding: 24px;
      border-radius: 24px;
      background: var(--paper-warm);
    }

    .news-card:hover .news-title {
      color: var(--plum);
    }

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 11px;
      color: var(--plum);
      background: var(--tag);
      border-radius: 999px;
      font-size: 12px;
      font-weight: 780;
    }

    .meta-time {
      color: var(--weak);
      font-size: 12px;
      font-weight: 650;
    }

    .news-title {
      color: var(--ink);
      font-size: 21px;
      line-height: 1.38;
      font-weight: 780;
      transition: color .22s var(--ease);
    }

    .news-desc {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .news-foot {
      display: flex;
      justify-content: flex-end;
      margin-top: 16px;
    }

    .empty-state {
      min-height: 238px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 34px;
      color: var(--muted);
      background: var(--paper);
      border: 1px dashed rgba(122, 76, 99, .28);
      border-radius: 26px;
    }

    .empty-state .empty-icon {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      margin: 0 auto 12px;
      color: var(--plum);
      background: var(--tag);
      border-radius: 18px;
      font-size: 24px;
      font-weight: 850;
    }

    .timeline {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0;
      margin-top: 34px;
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: 28px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .step {
      position: relative;
      min-height: 240px;
      padding: 30px 26px;
      border-right: 1px solid var(--line);
    }

    .step:last-child {
      border-right: 0;
    }

    .step-number {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      color: #fff;
      background: var(--rose);
      border-radius: 999px;
      font-size: 14px;
      font-weight: 850;
      box-shadow: 0 0 0 8px rgba(201, 139, 157, .12);
    }

    .step p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.74;
    }

    .dark-reminder {
      position: relative;
      border-radius: 34px;
      color: #FFF8F3;
      background:
        linear-gradient(135deg, rgba(23, 20, 23, .96), rgba(42, 37, 40, .96)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      overflow: hidden;
      box-shadow: var(--shadow-hover);
    }

    .dark-reminder::after {
      position: absolute;
      inset: 0;
      content: "";
      background: radial-gradient(circle at 90% 12%, rgba(201, 139, 157, .22), transparent 34%);
      pointer-events: none;
    }

    .dark-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 48px;
      padding: 54px;
      align-items: center;
    }

    .dark-reminder h2 {
      color: #FFF8F3;
    }

    .dark-reminder p {
      margin-top: 16px;
      color: rgba(255, 248, 243, .72);
    }

    .boundary-list {
      list-style: none;
      display: grid;
      gap: 0;
      border-top: 1px solid rgba(255, 255, 255, .12);
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .boundary-list li {
      display: grid;
      grid-template-columns: 30px 1fr;
      gap: 14px;
      padding: 18px 0;
      color: rgba(255, 248, 243, .82);
      border-bottom: 1px solid rgba(255, 255, 255, .10);
      font-size: 15px;
    }

    .boundary-list li:last-child {
      border-bottom: 0;
    }

    .boundary-list b {
      color: var(--rose);
      font-weight: 850;
    }

    .evidence-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 24px;
      align-items: stretch;
    }

    .evidence-image {
      position: relative;
      min-height: 390px;
      overflow: hidden;
      border-radius: 30px;
      box-shadow: var(--shadow);
    }

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

    .evidence-image::after {
      position: absolute;
      inset: 0;
      content: "";
      background: linear-gradient(180deg, rgba(23, 20, 23, .02), rgba(23, 20, 23, .34));
    }

    .evidence-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .evidence-card {
      padding: 24px;
      border-radius: 24px;
      background: #fff;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 360px 1fr;
      gap: 36px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: 20px;
      overflow: hidden;
      background: var(--paper);
    }

    .faq-item[open] {
      border-color: rgba(122, 76, 99, .35);
      box-shadow: var(--shadow);
    }

    .faq-item summary {
      min-height: 66px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      cursor: pointer;
      color: var(--ink);
      font-weight: 760;
      list-style: none;
    }

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

    .faq-item summary::after {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      content: "+";
      color: var(--plum);
      background: var(--tag);
      border-radius: 999px;
      font-weight: 850;
      transition: transform .22s var(--ease), background .22s var(--ease);
    }

    .faq-item[open] summary {
      border-left: 4px solid var(--plum);
      background: linear-gradient(90deg, rgba(242, 229, 234, .56), transparent);
    }

    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
      background: rgba(201, 139, 157, .18);
    }

    .faq-body {
      padding: 0 22px 22px 26px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.76;
    }

    .feedback-section {
      padding-bottom: 96px;
    }

    .feedback-grid {
      display: grid;
      grid-template-columns: 1.05fr .75fr;
      gap: 24px;
      align-items: stretch;
    }

    .feedback-card,
    .privacy-card {
      border-radius: 28px;
      padding: 30px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      margin-top: 24px;
    }

    .form-field.full {
      grid-column: 1 / -1;
    }

    label {
      display: block;
      margin-bottom: 8px;
      color: var(--ink);
      font-size: 14px;
      font-weight: 760;
    }

    .field-tip {
      margin-top: 7px;
      color: var(--weak);
      font-size: 12px;
      line-height: 1.5;
    }

    .form-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 22px;
    }

    .form-message {
      color: var(--muted);
      font-size: 13px;
    }

    .privacy-card {
      position: relative;
      color: #FFF8F3;
      background: var(--ink);
      overflow: hidden;
    }

    .privacy-card::before {
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 240px;
      height: 240px;
      content: "";
      background: radial-gradient(circle, rgba(201, 139, 157, .24), transparent 68%);
    }

    .privacy-card > * {
      position: relative;
      z-index: 1;
    }

    .privacy-card h3 {
      color: #FFF8F3;
    }

    .privacy-card p,
    .privacy-card li {
      color: rgba(255, 248, 243, .74);
    }

    .privacy-list {
      display: grid;
      gap: 12px;
      margin-top: 22px;
      list-style: none;
    }

    .privacy-list li {
      display: grid;
      grid-template-columns: 24px 1fr;
      gap: 10px;
      font-size: 14px;
      line-height: 1.68;
    }

    .privacy-list b {
      color: var(--rose);
    }

    .site-footer {
      color: rgba(255, 248, 243, .78);
      background: var(--ink);
      padding: 58px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .75fr 1fr;
      gap: 46px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .10);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #FFF8F3;
      font-size: 20px;
      font-weight: 850;
      letter-spacing: -.03em;
    }

    .footer-about {
      max-width: 440px;
      margin-top: 16px;
      font-size: 14px;
      line-height: 1.78;
    }

    .footer-title {
      margin-bottom: 14px;
      color: #FFF8F3;
      font-size: 15px;
      font-weight: 800;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255, 248, 243, .70);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #F2C5D1;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .footer-note {
      font-size: 14px;
      line-height: 1.78;
    }

    .copyright {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      padding-top: 22px;
      color: rgba(255, 248, 243, .55);
      font-size: 13px;
    }

    @media (max-width: 1200px) {
      .hero-grid {
        grid-template-columns: 1fr .82fr;
        gap: 34px;
      }

      .latest-wrap,
      .faq-wrap {
        grid-template-columns: 320px 1fr;
      }

      .dark-grid {
        padding: 44px;
      }
    }

    @media (max-width: 992px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

      .nav {
        min-height: 70px;
      }

      .nav-links {
        position: absolute;
        left: 24px;
        right: 24px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 16px;
        background: rgba(255, 255, 255, .96);
        border: 1px solid var(--line);
        border-radius: 22px;
        box-shadow: var(--shadow-hover);
      }

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

      .nav-links::after {
        content: "18+ 内容仅限成年人理性浏览，请注意隐私环境。";
        display: block;
        margin-top: 8px;
        padding: 12px 14px;
        color: var(--muted);
        background: var(--paper-warm);
        border: 1px solid var(--line);
        border-radius: 16px;
        font-size: 13px;
      }

      .nav-links a {
        justify-content: space-between;
        min-height: 46px;
        padding: 0 14px;
      }

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

      .nav-actions .btn-secondary {
        display: none;
      }

      .hero {
        padding-top: 58px;
      }

      .hero-grid,
      .guide-layout,
      .latest-wrap,
      .dark-grid,
      .evidence-grid,
      .faq-wrap,
      .feedback-grid {
        grid-template-columns: 1fr;
      }

      .hero-visual,
      .hero-visual img {
        min-height: 420px;
      }

      .guide-main {
        grid-template-columns: 1fr;
      }

      .notice-strip {
        align-items: flex-start;
        flex-direction: column;
      }

      .latest-aside {
        position: relative;
        top: auto;
      }

      .timeline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .step:nth-child(2) {
        border-right: 0;
      }

      .step:nth-child(1),
      .step:nth-child(2) {
        border-bottom: 1px solid var(--line);
      }

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

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

    @media (max-width: 768px) {
      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 54px 0;
      }

      .hero {
        padding: 48px 0 58px;
      }

      .trust-row,
      .evidence-cards,
      .form-grid {
        grid-template-columns: 1fr;
      }

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

      .step,
      .step:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .step:last-child {
        border-bottom: 0;
      }

      .dark-grid {
        gap: 30px;
        padding: 32px 24px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 560px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .age-bar__inner {
        padding: 8px 38px 8px 0;
        justify-content: flex-start;
        text-align: left;
      }

      .brand-text {
        max-width: 210px;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 18px;
      }

      .hero-actions,
      .form-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .hero-visual,
      .hero-visual img {
        min-height: 360px;
      }

      .visual-note {
        left: 16px;
        right: 16px;
        bottom: 16px;
        padding: 18px;
      }

      .guide-main,
      .guide-side-card,
      .news-card,
      .feedback-card,
      .privacy-card {
        padding: 20px;
      }

      .guide-side-card {
        grid-template-columns: 1fr;
      }

      .notice-strip {
        padding: 20px;
      }

      .latest-aside {
        padding: 24px;
      }

      .faq-item summary {
        padding: 16px 18px;
      }
    }

/* roulang page: article */
:root {
      --ink: #171417;
      --ink-soft: #2A2528;
      --muted: #6F666A;
      --weak: #9B9094;
      --plum: #7A4C63;
      --plum-dark: #653B51;
      --rose: #C98B9D;
      --bg: #F7F3EF;
      --beige: #EFE7DE;
      --paper: #FFFFFF;
      --paper-warm: #FBF8F5;
      --line: #E4DAD5;
      --tag: #F2E5EA;
      --shadow: 0 12px 32px rgba(42, 37, 40, .08);
      --shadow-hover: 0 18px 44px rgba(42, 37, 40, .12);
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1220px;
      --ease: cubic-bezier(.2, .7, .2, 1);
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      min-height: 100vh;
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink-soft);
      background:
        radial-gradient(circle at 8% 6%, rgba(201, 139, 157, .13), transparent 30%),
        radial-gradient(circle at 92% 10%, rgba(122, 76, 99, .10), transparent 34%),
        var(--bg);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), background .22s var(--ease);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: transparent;
    }

    input,
    textarea {
      width: 100%;
      color: var(--ink-soft);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      outline: none;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    input {
      height: 52px;
      padding: 0 16px;
    }

    textarea {
      min-height: 132px;
      padding: 14px 16px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(122, 76, 99, .22);
      border-color: var(--plum);
    }

    .container {
      width: min(100% - 64px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 243, 239, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .site-header.is-scrolled {
      box-shadow: 0 10px 28px rgba(42, 37, 40, .07);
      background: rgba(247, 243, 239, .97);
    }

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -.03em;
      white-space: nowrap;
    }

    .brand:hover {
      color: var(--plum);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      color: #FFF8F3;
      background: linear-gradient(135deg, var(--ink), var(--plum));
      border-radius: 13px;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
      font-size: 18px;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .brand-text {
      font-size: 20px;
      line-height: 1.1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
      flex: 1;
      padding: 0;
      margin: 0;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .nav-links a:hover,
    .nav-links a.is-active {
      color: var(--plum);
      background: rgba(122, 76, 99, .08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      border: 1px solid var(--line);
      color: var(--ink);
      background: var(--paper-warm);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
      content: "";
    }

    .mobile-toggle span::before {
      transform: translateY(-7px);
    }

    .mobile-toggle span::after {
      transform: translateY(5px);
    }

    .mobile-toggle.is-open span {
      transform: rotate(45deg);
    }

    .mobile-toggle.is-open span::before {
      transform: translateY(0) rotate(90deg);
    }

    .mobile-toggle.is-open span::after {
      opacity: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 13px 23px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 760;
      line-height: 1;
      white-space: nowrap;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
    }

    .btn-primary {
      color: #FFF8F3;
      background: var(--plum);
      box-shadow: 0 10px 22px rgba(122, 76, 99, .18);
    }

    .btn-primary:hover {
      color: #FFF8F3;
      background: var(--plum-dark);
      transform: translateY(-1px);
      box-shadow: 0 15px 28px rgba(122, 76, 99, .22);
    }

    .btn-secondary {
      color: var(--plum);
      background: rgba(255, 255, 255, .72);
      border-color: rgba(122, 76, 99, .46);
    }

    .btn-secondary:hover {
      color: var(--plum);
      background: var(--tag);
      border-color: var(--plum);
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--plum);
      font-weight: 750;
      line-height: 1.3;
    }

    .text-link .arrow {
      transition: transform .22s var(--ease);
    }

    .text-link:hover {
      color: var(--plum-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .text-link:hover .arrow {
      transform: translateX(4px);
    }

    .age-strip {
      background: var(--ink);
      color: rgba(255, 248, 243, .88);
      font-size: 13px;
      line-height: 1.5;
    }

    .age-strip .container {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-block: 8px;
    }

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

    .age-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--rose);
      box-shadow: 0 0 0 5px rgba(201, 139, 157, .13);
      flex: 0 0 auto;
    }

    .strip-link {
      color: #FFF8F3;
      font-weight: 700;
      white-space: nowrap;
    }

    .strip-link:hover {
      color: var(--rose);
    }

    .article-hero {
      position: relative;
      padding: 56px 0 34px;
      overflow: hidden;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(247, 243, 239, .97) 0%, rgba(247, 243, 239, .88) 58%, rgba(247, 243, 239, .78) 100%),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      opacity: .96;
      z-index: -2;
    }

    .article-hero::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -110px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(201, 139, 157, .18);
      filter: blur(4px);
      z-index: -1;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin: 0 0 22px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

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

    .breadcrumb a:hover {
      color: var(--plum-dark);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .breadcrumb .sep {
      color: var(--weak);
    }

    .article-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      margin-bottom: 18px;
      border-radius: 999px;
      color: var(--plum);
      background: rgba(242, 229, 234, .85);
      border: 1px solid rgba(122, 76, 99, .14);
      font-size: 13px;
      font-weight: 800;
    }

    .article-title {
      max-width: 920px;
      margin: 0;
      color: var(--ink);
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.14;
      letter-spacing: -.045em;
      font-weight: 850;
    }

    .article-summary {
      max-width: 830px;
      margin: 20px 0 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.78;
    }

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

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 6px 12px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .72);
      border: 1px solid var(--line);
      font-size: 13px;
      font-weight: 700;
    }

    .meta-pill strong {
      color: var(--plum);
      font-weight: 800;
    }

    .page-main {
      padding: 46px 0 86px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 8.4fr) minmax(280px, 3.6fr);
      gap: 28px;
      align-items: start;
    }

    .article-card {
      background: rgba(255, 255, 255, .9);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .article-cover {
      position: relative;
      min-height: 260px;
      overflow: hidden;
      background: var(--beige);
    }

    .article-cover img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      filter: saturate(.94) contrast(.98);
    }

    .article-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23, 20, 23, 0) 38%, rgba(23, 20, 23, .36) 100%);
      pointer-events: none;
    }

    .cover-caption {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 22px;
      z-index: 2;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: rgba(255, 248, 243, .92);
      font-size: 13px;
      font-weight: 650;
    }

    .article-body {
      padding: 46px 52px 52px;
    }

    .article-notice {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 16px 18px;
      margin-bottom: 32px;
      border-radius: 18px;
      background: #FBF1F4;
      border: 1px solid rgba(201, 139, 157, .36);
      color: var(--muted);
      font-size: 14px;
      line-height: 1.68;
    }

    .notice-icon {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #FFF8F3;
      background: var(--plum);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .article-content {
      font-size: 18px;
      line-height: 1.85;
      color: var(--ink-soft);
      word-break: break-word;
    }

    .article-content h2 {
      margin: 2.15em 0 .78em;
      color: var(--ink);
      font-size: clamp(26px, 3vw, 34px);
      line-height: 1.25;
      letter-spacing: -.03em;
      font-weight: 820;
    }

    .article-content h3 {
      margin: 1.85em 0 .65em;
      color: var(--ink);
      font-size: clamp(21px, 2.3vw, 24px);
      line-height: 1.35;
      font-weight: 760;
    }

    .article-content p {
      margin: 0 0 1.08em;
    }

    .article-content a {
      color: var(--plum);
      font-weight: 720;
      border-bottom: 1px solid rgba(122, 76, 99, .28);
    }

    .article-content a:hover {
      color: var(--plum-dark);
      border-bottom-color: var(--plum-dark);
    }

    .article-content ul,
    .article-content ol {
      margin: 1em 0 1.3em;
      padding-left: 1.35em;
    }

    .article-content li {
      margin: .42em 0;
      padding-left: .18em;
    }

    .article-content blockquote {
      margin: 1.6em 0;
      padding: 18px 22px;
      color: var(--ink-soft);
      background: var(--paper-warm);
      border-left: 4px solid var(--plum);
      border-radius: 0 18px 18px 0;
    }

    .article-content figure {
      margin: 1.8em 0;
    }

    .article-content img {
      width: 100%;
      border-radius: 18px;
      border: 1px solid var(--line);
      box-shadow: 0 10px 24px rgba(42, 37, 40, .06);
    }

    .article-content figcaption {
      margin-top: 10px;
      text-align: center;
      color: var(--weak);
      font-size: 13px;
    }

    .article-content table {
      width: 100%;
      margin: 1.6em 0;
      border-collapse: collapse;
      display: block;
      overflow-x: auto;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fff;
    }

    .article-content th,
    .article-content td {
      min-width: 148px;
      padding: 13px 14px;
      border-bottom: 1px solid var(--line);
      color: var(--ink-soft);
      text-align: left;
      font-size: 15px;
    }

    .article-content th {
      color: var(--ink);
      background: var(--paper-warm);
      font-weight: 800;
    }

    .empty-state {
      padding: 46px 28px;
      text-align: center;
      background: var(--paper-warm);
      border: 1px dashed rgba(122, 76, 99, .34);
      border-radius: var(--radius-md);
    }

    .empty-state .empty-icon {
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      margin: 0 auto 16px;
      border-radius: 20px;
      color: var(--plum);
      background: var(--tag);
      font-size: 26px;
      font-weight: 900;
    }

    .empty-state h2 {
      margin: 0 0 10px;
      color: var(--ink);
      font-size: 26px;
      font-weight: 820;
    }

    .empty-state p {
      margin: 0 auto 22px;
      max-width: 520px;
      color: var(--muted);
      font-size: 15px;
    }

    .article-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      justify-content: space-between;
      padding-top: 34px;
      margin-top: 36px;
      border-top: 1px solid var(--line);
    }

    .article-actions-note {
      color: var(--muted);
      font-size: 14px;
    }

    .sidebar {
      position: sticky;
      top: 98px;
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 22px;
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: 0 10px 26px rgba(42, 37, 40, .05);
    }

    .side-card.dark {
      color: rgba(255, 248, 243, .88);
      background: var(--ink);
      border-color: rgba(255, 255, 255, .1);
    }

    .side-card-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin: 0 0 13px;
      color: var(--ink);
      font-size: 18px;
      font-weight: 820;
      line-height: 1.35;
    }

    .side-card.dark .side-card-title {
      color: #FFF8F3;
    }

    .side-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.72;
    }

    .side-card.dark p {
      color: rgba(255, 248, 243, .72);
    }

    .side-list {
      display: grid;
      gap: 12px;
      padding: 0;
      margin: 16px 0 0;
      list-style: none;
    }

    .side-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.58;
    }

    .side-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 8px;
      border-radius: 999px;
      background: var(--rose);
      flex: 0 0 auto;
    }

    .side-card.dark .side-list li {
      color: rgba(255, 248, 243, .78);
    }

    .toc-list {
      display: grid;
      gap: 8px;
      padding: 0;
      margin: 12px 0 0;
      list-style: none;
      border-left: 2px solid var(--line);
    }

    .toc-list a {
      display: block;
      padding: 7px 0 7px 14px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .toc-list a:hover,
    .toc-list a.is-current {
      color: var(--plum);
      border-left: 2px solid var(--plum);
      margin-left: -2px;
    }

    .mini-article {
      display: grid;
      gap: 8px;
      padding: 14px 0;
      border-top: 1px solid var(--line);
    }

    .mini-article:first-of-type {
      border-top: 0;
      padding-top: 0;
    }

    .mini-meta {
      color: var(--weak);
      font-size: 12px;
      font-weight: 750;
    }

    .mini-article a {
      color: var(--ink);
      font-weight: 790;
      line-height: 1.45;
    }

    .mini-article a:hover {
      color: var(--plum);
    }

    .reading-section,
    .faq-section,
    .feedback-section {
      padding: 72px 0 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--plum);
      font-size: 13px;
      font-weight: 840;
    }

    .section-title {
      margin: 0;
      color: var(--ink);
      font-size: clamp(28px, 3.7vw, 38px);
      line-height: 1.22;
      letter-spacing: -.035em;
      font-weight: 840;
    }

    .section-desc {
      max-width: 560px;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.72;
    }

    .reading-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--paper);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .reading-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 20px;
      background: var(--paper-warm);
      border: 1px solid transparent;
      transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }

    .reading-item:hover {
      transform: translateY(-2px);
      border-color: rgba(122, 76, 99, .24);
      box-shadow: 0 12px 24px rgba(42, 37, 40, .06);
    }

    .reading-num {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: #FFF8F3;
      background: var(--rose);
      font-weight: 900;
    }

    .reading-item h3 {
      margin: 0 0 6px;
      color: var(--ink);
      font-size: 18px;
      font-weight: 800;
    }

    .reading-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.68;
    }

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

    .faq-item {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 255, 255, .78);
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(122, 76, 99, .28);
      box-shadow: 0 10px 24px rgba(42, 37, 40, .05);
    }

    .faq-item[open] {
      background: var(--paper);
      border-color: rgba(122, 76, 99, .42);
      box-shadow: 0 12px 28px rgba(42, 37, 40, .06);
    }

    .faq-item summary {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      color: var(--ink);
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--plum);
      background: var(--tag);
      font-size: 18px;
      line-height: 1;
      flex: 0 0 auto;
    }

    .faq-item[open] summary {
      border-left: 4px solid var(--plum);
      padding-left: 18px;
    }

    .faq-item[open] summary::after {
      content: "−";
      color: #FFF8F3;
      background: var(--plum);
    }

    .faq-answer {
      padding: 0 22px 20px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.72;
    }

    .feedback-card {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
      gap: 24px;
      padding: 28px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .92), rgba(251, 248, 245, .96)),
        url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .feedback-form {
      display: grid;
      gap: 14px;
    }

    .form-row {
      display: grid;
      gap: 8px;
    }

    .form-row label {
      color: var(--ink);
      font-size: 14px;
      font-weight: 780;
    }

    .form-hint {
      color: var(--weak);
      font-size: 12px;
      line-height: 1.55;
    }

    .privacy-box {
      align-self: stretch;
      padding: 24px;
      border-radius: 22px;
      color: rgba(255, 248, 243, .88);
      background: var(--ink);
      border: 1px solid rgba(255, 255, 255, .08);
    }

    .privacy-box h3 {
      margin: 0 0 12px;
      color: #FFF8F3;
      font-size: 22px;
      font-weight: 820;
    }

    .privacy-box p {
      margin: 0 0 16px;
      color: rgba(255, 248, 243, .74);
      font-size: 14px;
      line-height: 1.72;
    }

    .privacy-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .privacy-tags li {
      padding: 7px 10px;
      border-radius: 999px;
      color: #FFF8F3;
      background: rgba(201, 139, 157, .18);
      border: 1px solid rgba(201, 139, 157, .24);
      font-size: 12px;
      font-weight: 760;
    }

    .site-footer {
      padding: 58px 0 28px;
      color: rgba(255, 248, 243, .78);
      background: var(--ink);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr 1fr;
      gap: 38px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #FFF8F3;
      font-size: 20px;
      font-weight: 850;
      letter-spacing: -.03em;
    }

    .footer-brand:hover {
      color: var(--rose);
    }

    .footer-about,
    .footer-note {
      max-width: 500px;
      margin: 18px 0 0;
      color: rgba(255, 248, 243, .68);
      font-size: 14px;
      line-height: 1.78;
    }

    .footer-title {
      margin: 0 0 16px;
      color: #FFF8F3;
      font-size: 16px;
      font-weight: 820;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .footer-links a {
      color: rgba(255, 248, 243, .72);
      font-size: 14px;
      font-weight: 650;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      color: rgba(255, 248, 243, .55);
      font-size: 13px;
      line-height: 1.6;
    }

    @media (max-width: 1200px) {
      .article-layout {
        grid-template-columns: minmax(0, 1fr) 320px;
      }

      .article-body {
        padding: 40px;
      }
    }

    @media (max-width: 992px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

      .nav {
        gap: 14px;
      }

      .nav-links {
        position: absolute;
        left: 24px;
        right: 24px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: rgba(255, 255, 255, .97);
        box-shadow: var(--shadow-hover);
      }

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

      .nav-links a {
        min-height: 48px;
        justify-content: center;
      }

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

      .nav-actions .btn-secondary {
        display: none;
      }

      .article-layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        grid-template-columns: 1fr 1fr;
      }

      .article-cover img {
        height: 270px;
      }

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

      .feedback-card {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .age-strip .container {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
      }

      .article-hero {
        padding: 42px 0 28px;
      }

      .article-title {
        letter-spacing: -.035em;
      }

      .article-summary {
        font-size: 16px;
      }

      .page-main {
        padding: 34px 0 64px;
      }

      .article-body {
        padding: 26px 22px 30px;
      }

      .article-content {
        font-size: 17px;
      }

      .article-cover img {
        height: 230px;
      }

      .cover-caption {
        left: 18px;
        right: 18px;
        bottom: 16px;
        flex-direction: column;
      }

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

      .reading-panel {
        grid-template-columns: 1fr;
        padding: 16px;
      }

      .feedback-card {
        padding: 20px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 560px) {
      .brand-text {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav {
        min-height: 70px;
      }

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

      .article-actions .btn,
      .feedback-form .btn {
        width: 100%;
      }

      .breadcrumb {
        font-size: 12px;
      }

      .meta-pill {
        width: 100%;
        justify-content: space-between;
      }

      .article-notice {
        flex-direction: column;
      }

      .reading-item {
        grid-template-columns: 1fr;
      }

      .faq-item summary {
        padding: 16px;
      }

      .faq-answer {
        padding: 0 16px 18px;
      }
    }

/* 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}