/* roulang page: index */
:root {
      --color-primary: #541637;
      --color-primary-deep: #321024;
      --color-primary-soft: #7a3158;
      --color-accent: #c8745f;
      --color-accent-soft: #f5d6cb;
      --color-bg: #fbf6ed;
      --color-bg-2: #f4eadc;
      --color-card: #fffdf8;
      --color-card-strong: #ffffff;
      --color-text: #261922;
      --color-muted: #74646e;
      --color-light: #fdf7ef;
      --color-border: #eadbd2;
      --color-border-strong: #dec5bd;
      --shadow-sm: 0 10px 28px rgba(61, 23, 44, .08);
      --shadow-md: 0 18px 50px rgba(61, 23, 44, .13);
      --shadow-lg: 0 30px 80px rgba(36, 13, 28, .22);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --header-height: 74px;
      --transition: 200ms ease;
      --font: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
    }

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

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

    body {
      min-height: 100vh;
      color: var(--color-text);
      font-family: var(--font);
      line-height: 1.75;
      background:
        radial-gradient(circle at 8% 6%, rgba(200, 116, 95, .12), transparent 26%),
        radial-gradient(circle at 92% 14%, rgba(84, 22, 55, .10), transparent 25%),
        linear-gradient(180deg, var(--color-bg), var(--color-bg-2) 48%, #fbf8f2);
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), opacity var(--transition);
    }

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

    button,
    input {
      font: inherit;
    }

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

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

    :focus-visible {
      outline: 3px solid rgba(200, 116, 95, .48);
      outline-offset: 4px;
      border-radius: 10px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      min-height: var(--header-height);
      background: rgba(253, 247, 239, .86);
      border-bottom: 1px solid rgba(234, 219, 210, .78);
      backdrop-filter: blur(18px);
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      background: rgba(255, 253, 248, .96);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrap {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 16px;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.28), transparent 34%),
        linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: 0 10px 24px rgba(84, 22, 55, .20);
    }

    .brand-text {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .brand-name {
      max-width: 310px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 17px;
    }

    .age-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 42px;
      height: 24px;
      padding: 0 8px;
      border-radius: 999px;
      border: 1px solid rgba(200, 116, 95, .35);
      color: var(--color-primary);
      background: #fff4eb;
      font-size: 12px;
      font-weight: 750;
      line-height: 1;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
    }

    .nav-link {
      position: relative;
      padding: 10px 13px;
      border-radius: 999px;
      color: #49333f;
      font-size: 15px;
      font-weight: 650;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      border-radius: 999px;
      background: var(--color-accent);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
      background: rgba(255, 244, 235, .72);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 750;
      line-height: 1;
      white-space: nowrap;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }

    .btn-primary {
      color: var(--color-light);
      background: linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: 0 14px 30px rgba(84, 22, 55, .22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(145deg, #6a1f48, #2a0c1d);
      box-shadow: 0 18px 36px rgba(84, 22, 55, .28);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 253, 248, .80);
      border-color: rgba(84, 22, 55, .20);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: #fff2ed;
      border-color: rgba(200, 116, 95, .45);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--color-border);
      background: var(--color-card);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: var(--color-primary);
      transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle.is-active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-active span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.is-active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      position: fixed;
      inset: var(--header-height) 0 auto 0;
      z-index: 55;
      padding: 18px 20px 24px;
      background: rgba(39, 18, 31, .35);
      backdrop-filter: blur(8px);
    }

    .mobile-panel-inner {
      display: grid;
      gap: 8px;
      max-width: 520px;
      margin-inline: auto;
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: var(--color-card);
      box-shadow: var(--shadow-lg);
    }

    .mobile-panel .nav-link {
      display: block;
      padding: 14px 16px;
      border-radius: 14px;
    }

    .hero {
      position: relative;
      padding: 78px 0 36px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 28px 0 auto 0;
      height: 620px;
      pointer-events: none;
      background:
        radial-gradient(circle at 24% 20%, rgba(255, 216, 195, .30), transparent 22%),
        radial-gradient(circle at 78% 22%, rgba(200, 116, 95, .18), transparent 26%),
        radial-gradient(circle at 50% 92%, rgba(255, 255, 255, .20), transparent 32%);
      opacity: .78;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(380px, .92fr);
      gap: 54px;
      align-items: center;
      padding: 48px;
      border-radius: var(--radius-xl);
      color: var(--color-light);
      background:
        linear-gradient(rgba(40, 13, 31, .70), rgba(40, 13, 31, .78)),
        radial-gradient(circle at 18% 18%, rgba(200, 116, 95, .36), transparent 34%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .hero-grid::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.55), transparent 75%);
    }

    .hero-content,
    .hero-visual {
      position: relative;
      z-index: 1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255, 240, 226, .30);
      color: #ffe9da;
      background: rgba(255, 250, 242, .11);
      font-size: 14px;
      font-weight: 700;
      backdrop-filter: blur(10px);
    }

    .eyebrow-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(200, 116, 95, .18);
    }

    h1 {
      max-width: 760px;
      margin-top: 22px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.16;
      letter-spacing: -.055em;
      font-weight: 820;
    }

    .hero-subtitle {
      max-width: 680px;
      margin-top: 22px;
      color: rgba(255, 247, 237, .86);
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: 999px;
      color: #fff8ef;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.16);
      font-size: 13px;
      font-weight: 650;
    }

    .hero-tag::before {
      content: "✓";
      color: #ffd3c4;
      font-weight: 900;
    }

    .hero-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 34px;
      color: #ffe4d6;
      font-size: 14px;
      font-weight: 700;
    }

    .hero-more:hover {
      color: #fff;
      transform: translateX(4px);
    }

    .visual-stack {
      position: relative;
      min-height: 510px;
    }

    .preview-card {
      position: absolute;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 28px;
      background: rgba(255, 253, 248, .92);
      color: var(--color-text);
      box-shadow: 0 22px 70px rgba(0,0,0,.24);
      overflow: hidden;
      backdrop-filter: blur(16px);
    }

    .preview-main {
      top: 16px;
      right: 0;
      width: min(100%, 410px);
    }

    .preview-main .image-shell {
      height: 250px;
      border-radius: 0 0 26px 26px;
    }

    .image-shell {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #5d2442, #d7aa92);
    }

    .image-shell img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 320ms ease, filter 320ms ease;
    }

    .image-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, transparent 45%, rgba(32, 11, 24, .58)),
        radial-gradient(circle at 20% 16%, rgba(255,255,255,.24), transparent 26%);
      pointer-events: none;
    }

    .preview-body {
      padding: 20px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      align-items: center;
      margin-bottom: 12px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 650;
    }

    .badge,
    .pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 760;
      line-height: 1;
    }

    .badge {
      padding: 7px 10px;
      color: var(--color-primary);
      background: #fff0e9;
      border: 1px solid rgba(200, 116, 95, .25);
    }

    .pill {
      padding: 8px 11px;
      color: #5b3148;
      background: rgba(255, 253, 248, .82);
      border: 1px solid var(--color-border);
    }

    .preview-title {
      font-size: 22px;
      line-height: 1.35;
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--color-primary-deep);
    }

    .preview-desc {
      margin-top: 9px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .float-card {
      width: 245px;
      padding: 16px;
    }

    .float-card.one {
      left: 6px;
      bottom: 106px;
      transform: rotate(-2deg);
    }

    .float-card.two {
      right: 30px;
      bottom: 22px;
      transform: rotate(2deg);
    }

    .float-title {
      margin-top: 9px;
      color: var(--color-primary-deep);
      font-size: 17px;
      line-height: 1.42;
      font-weight: 800;
    }

    .float-text {
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    main {
      position: relative;
    }

    .section {
      padding: 84px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 30px;
      margin-bottom: 34px;
    }

    .section-kicker {
      margin-bottom: 8px;
      color: var(--color-accent);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: .04em;
    }

    .section-title {
      max-width: 760px;
      color: var(--color-primary-deep);
      font-size: clamp(28px, 3.6vw, 38px);
      line-height: 1.22;
      letter-spacing: -.045em;
      font-weight: 820;
    }

    .section-desc {
      max-width: 520px;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .compliance {
      padding: 0 0 42px;
    }

    .notice-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      padding: 14px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 248, .78);
      box-shadow: var(--shadow-sm);
    }

    .notice-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 18px;
      background: #fff8f0;
    }

    .notice-icon,
    .feature-icon,
    .guide-icon {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: var(--color-primary);
      background: var(--color-accent-soft);
      font-weight: 900;
    }

    .notice-item strong {
      display: block;
      color: var(--color-primary-deep);
      font-size: 15px;
      line-height: 1.4;
    }

    .notice-item span {
      display: block;
      margin-top: 3px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .featured-layout {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 22px;
    }

    .feature-card {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--color-border);
      border-radius: 28px;
      background: var(--color-card);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(200, 116, 95, .56);
      box-shadow: var(--shadow-md);
    }

    .feature-card:hover img {
      transform: scale(1.05);
      filter: saturate(1.04) contrast(1.02);
    }

    .feature-card.large .image-shell {
      aspect-ratio: 16 / 10;
    }

    .feature-card.small {
      display: grid;
      grid-template-columns: 188px 1fr;
      min-height: 220px;
    }

    .feature-card.small .image-shell {
      height: 100%;
      min-height: 220px;
    }

    .feature-content {
      padding: 22px;
    }

    .feature-card.large .feature-content {
      padding: 26px;
    }

    .card-title {
      margin-top: 12px;
      color: var(--color-primary-deep);
      font-size: 23px;
      line-height: 1.36;
      letter-spacing: -.025em;
      font-weight: 820;
    }

    .feature-card.small .card-title {
      font-size: 19px;
    }

    .card-desc {
      margin-top: 9px;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 800;
    }

    .card-link:hover {
      color: var(--color-accent);
      transform: translateX(4px);
    }

    .side-feature-list {
      display: grid;
      gap: 22px;
    }

    .tag-cloud {
      grid-column: 1 / -1;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 18px;
      border: 1px dashed rgba(84, 22, 55, .22);
      border-radius: 22px;
      background: rgba(255, 253, 248, .62);
    }

    .tag-cloud .pill:hover {
      color: var(--color-primary);
      border-color: rgba(200, 116, 95, .45);
      background: #fff0e9;
      transform: translateY(-2px);
    }

    .experience {
      background:
        radial-gradient(circle at 85% 30%, rgba(200, 116, 95, .12), transparent 24%),
        linear-gradient(180deg, rgba(255,255,255,.36), rgba(255,255,255,0));
    }

    .experience-grid {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 36px;
      align-items: start;
    }

    .experience-panel {
      position: sticky;
      top: 104px;
      padding: 30px;
      border: 1px solid var(--color-border);
      border-radius: 30px;
      background: var(--color-primary-deep);
      color: var(--color-light);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .experience-panel::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -88px;
      top: -72px;
      border-radius: 50%;
      background: rgba(200, 116, 95, .28);
      filter: blur(2px);
    }

    .experience-panel h2 {
      position: relative;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.04em;
    }

    .experience-panel p {
      position: relative;
      margin-top: 15px;
      color: rgba(255, 247, 237, .78);
    }

    .search-box {
      position: relative;
      display: flex;
      gap: 10px;
      margin-top: 28px;
      padding: 8px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 18px;
      background: rgba(255,255,255,.10);
    }

    .search-box input {
      min-width: 0;
      flex: 1;
      height: 46px;
      padding: 0 14px;
      border: 1px solid transparent;
      border-radius: 14px;
      color: #fff;
      background: rgba(255,255,255,.12);
    }

    .search-box input::placeholder {
      color: rgba(255, 247, 237, .58);
    }

    .search-box input:focus {
      border-color: rgba(255, 212, 196, .62);
      outline: none;
      box-shadow: 0 0 0 4px rgba(200, 116, 95, .18);
    }

    .search-box .btn {
      min-height: 46px;
      background: #fff1e9;
      color: var(--color-primary);
      box-shadow: none;
    }

    .steps {
      position: relative;
      display: grid;
      gap: 16px;
    }

    .steps::before {
      content: "";
      position: absolute;
      left: 24px;
      top: 22px;
      bottom: 22px;
      width: 2px;
      background: linear-gradient(180deg, rgba(84,22,55,.24), rgba(200,116,95,.22));
    }

    .step-item {
      position: relative;
      display: grid;
      grid-template-columns: 50px 1fr;
      gap: 16px;
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 248, .82);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .step-item:hover {
      transform: translateY(-3px);
      border-color: rgba(200, 116, 95, .48);
      box-shadow: var(--shadow-md);
    }

    .step-no {
      position: relative;
      z-index: 1;
      width: 50px;
      height: 50px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      background: linear-gradient(145deg, var(--color-primary), var(--color-primary-soft));
      font-weight: 900;
      box-shadow: 0 12px 28px rgba(84,22,55,.18);
    }

    .step-item h3 {
      color: var(--color-primary-deep);
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
    }

    .step-item p {
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .latest-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.9fr) minmax(300px, .9fr);
      gap: 24px;
      align-items: start;
    }

    .post-list {
      display: grid;
      gap: 15px;
    }

    .post-card {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 248, .86);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .post-card:hover {
      transform: translateY(-3px);
      border-color: rgba(200, 116, 95, .55);
      background: #fffdf8;
      box-shadow: var(--shadow-md);
    }

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

    .post-card:hover .post-arrow {
      transform: translateX(4px);
      color: var(--color-accent);
      border-color: rgba(200, 116, 95, .45);
      background: #fff0e9;
    }

    .post-title {
      color: var(--color-primary-deep);
      font-size: 21px;
      line-height: 1.38;
      letter-spacing: -.02em;
      font-weight: 820;
      transition: color var(--transition);
    }

    .post-desc {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 10px;
    }

    .post-date {
      color: var(--color-accent);
      font-size: 13px;
      font-weight: 760;
    }

    .post-arrow {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      color: var(--color-primary);
      background: #fffaf5;
      font-weight: 900;
      transition: transform var(--transition), color var(--transition), border-color var(--transition), background var(--transition);
    }

    .empty-state {
      display: grid;
      place-items: center;
      min-height: 280px;
      padding: 34px;
      text-align: center;
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: rgba(255, 253, 248, .86);
      box-shadow: var(--shadow-sm);
    }

    .empty-icon {
      width: 72px;
      height: 72px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      border-radius: 26px;
      color: var(--color-primary);
      background: #fff0e9;
      font-size: 28px;
      font-weight: 900;
    }

    .empty-state p {
      color: var(--color-muted);
      font-weight: 700;
    }

    .latest-sidebar {
      display: grid;
      gap: 16px;
    }

    .side-panel {
      padding: 24px;
      border: 1px solid var(--color-border);
      border-radius: 26px;
      background: #fffdf8;
      box-shadow: var(--shadow-sm);
    }

    .side-panel h3 {
      color: var(--color-primary-deep);
      font-size: 20px;
      line-height: 1.35;
      font-weight: 820;
    }

    .side-panel p {
      margin-top: 10px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .mini-list {
      display: grid;
      gap: 10px;
      margin-top: 16px;
      list-style: none;
    }

    .mini-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .mini-list li::before {
      content: "";
      width: 7px;
      height: 7px;
      flex: 0 0 auto;
      margin-top: 10px;
      border-radius: 50%;
      background: var(--color-accent);
    }

    .hot-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .guide-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: stretch;
    }

    .guide-copy {
      padding: 34px;
      border: 1px solid var(--color-border);
      border-radius: 30px;
      background:
        linear-gradient(rgba(255,253,248,.90), rgba(255,253,248,.94)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow: var(--shadow-sm);
    }

    .guide-copy h2 {
      color: var(--color-primary-deep);
      font-size: clamp(27px, 3.3vw, 37px);
      line-height: 1.24;
      letter-spacing: -.04em;
    }

    .guide-copy p {
      margin-top: 14px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .guide-cards {
      display: grid;
      gap: 14px;
    }

    .guide-card {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 20px;
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: rgba(255, 253, 248, .82);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition);
    }

    .guide-card:hover {
      transform: translateY(-3px);
      border-color: rgba(200, 116, 95, .48);
    }

    .guide-card h3 {
      color: var(--color-primary-deep);
      font-size: 19px;
      line-height: 1.35;
      font-weight: 800;
    }

    .guide-card p {
      margin-top: 5px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .proof-strip {
      padding: 0 0 78px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .proof-item {
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 248, .76);
      box-shadow: var(--shadow-sm);
    }

    .proof-value {
      color: var(--color-primary);
      font-size: 30px;
      line-height: 1;
      font-weight: 860;
      letter-spacing: -.04em;
    }

    .proof-label {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .76fr 1.24fr;
      gap: 34px;
      align-items: start;
    }

    .faq-intro {
      padding: 30px;
      border: 1px solid var(--color-border);
      border-radius: 28px;
      background: var(--color-primary-deep);
      color: var(--color-light);
      box-shadow: var(--shadow-md);
    }

    .faq-intro h2 {
      font-size: clamp(27px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.04em;
    }

    .faq-intro p {
      margin-top: 14px;
      color: rgba(255, 247, 237, .78);
    }

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

    .faq-item {
      border: 1px solid var(--color-border);
      border-radius: 20px;
      background: rgba(255, 253, 248, .86);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color var(--transition), background var(--transition);
    }

    .faq-item.is-open {
      border-color: rgba(200, 116, 95, .50);
      background: #fffdf8;
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 18px 20px;
      color: var(--color-primary-deep);
      text-align: left;
      font-weight: 800;
    }

    .faq-question span:first-child {
      font-size: 16px;
      line-height: 1.5;
    }

    .faq-plus {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--color-primary);
      background: #fff0e9;
      transition: transform var(--transition);
    }

    .faq-item.is-open .faq-plus {
      transform: rotate(45deg);
      color: #fff;
      background: var(--color-primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease;
    }

    .faq-answer-inner {
      position: relative;
      margin: 0 20px 20px;
      padding: 14px 16px 14px 18px;
      border-left: 4px solid var(--color-primary);
      border-radius: 0 14px 14px 0;
      color: var(--color-muted);
      background: #fff5ef;
      font-size: 15px;
    }

    .cta {
      padding: 72px 0 92px;
    }

    .cta-box {
      position: relative;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 42px;
      border-radius: 34px;
      color: var(--color-light);
      background:
        radial-gradient(circle at 88% 22%, rgba(200, 116, 95, .34), transparent 26%),
        radial-gradient(circle at 18% 86%, rgba(255, 255, 255, .10), transparent 25%),
        linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .cta-box::after {
      content: "";
      position: absolute;
      right: 24px;
      top: 20px;
      width: 190px;
      height: 130px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 28px;
      transform: rotate(-8deg);
      background: rgba(255,255,255,.06);
      pointer-events: none;
    }

    .cta-box h2 {
      position: relative;
      z-index: 1;
      max-width: 780px;
      font-size: clamp(28px, 3.5vw, 40px);
      line-height: 1.22;
      letter-spacing: -.045em;
    }

    .cta-box p {
      position: relative;
      z-index: 1;
      max-width: 760px;
      margin-top: 12px;
      color: rgba(255, 247, 237, .78);
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .cta .btn-secondary {
      background: rgba(255,255,255,.12);
      color: #fff5ec;
      border-color: rgba(255,255,255,.24);
    }

    .cta .btn-secondary:hover {
      background: rgba(255,255,255,.20);
      border-color: rgba(255,255,255,.36);
    }

    .site-footer {
      color: rgba(255, 247, 237, .74);
      background:
        radial-gradient(circle at 15% 0%, rgba(200, 116, 95, .20), transparent 26%),
        linear-gradient(180deg, #2a0e1f, #190913);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 36px;
      padding: 50px 0 32px;
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff8ef;
      font-size: 18px;
      font-weight: 820;
    }

    .footer-text {
      max-width: 520px;
      margin-top: 14px;
      color: rgba(255, 247, 237, .68);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-title {
      color: #fff8ef;
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: rgba(255, 247, 237, .68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #ffd8c9;
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding: 22px 0 28px;
      color: rgba(255, 247, 237, .58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --header-height: 70px;
      }

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

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

      .mobile-panel.is-open {
        display: block;
      }

      .hero {
        padding-top: 44px;
      }

      .hero-grid {
        grid-template-columns: 1fr;
        padding: 38px;
      }

      .visual-stack {
        min-height: 430px;
      }

      .preview-main {
        position: relative;
        top: auto;
        right: auto;
        margin-left: auto;
      }

      .float-card.one {
        left: 0;
        bottom: 26px;
      }

      .float-card.two {
        right: 0;
        bottom: 0;
      }

      .featured-layout,
      .experience-grid,
      .latest-layout,
      .guide-layout,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .experience-panel {
        position: relative;
        top: auto;
      }

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

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

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

      .brand-name {
        max-width: 190px;
        font-size: 15px;
      }

      .hero-grid {
        padding: 28px 20px;
        border-radius: 28px;
      }

      .hero-subtitle {
        font-size: 16px;
      }

      .hero-actions .btn {
        flex: 1 1 160px;
      }

      .visual-stack {
        min-height: auto;
        display: grid;
        gap: 14px;
      }

      .preview-card,
      .float-card.one,
      .float-card.two {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        width: 100%;
        transform: none;
      }

      .preview-main .image-shell {
        height: auto;
        aspect-ratio: 16 / 10;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        display: grid;
        gap: 12px;
        margin-bottom: 24px;
      }

      .notice-bar {
        grid-template-columns: 1fr;
      }

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

      .feature-card.small .image-shell {
        min-height: auto;
        aspect-ratio: 16 / 10;
      }

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

      .post-arrow {
        justify-self: start;
      }

      .search-box {
        flex-direction: column;
      }

      .steps::before {
        display: none;
      }

      .cta-box {
        grid-template-columns: 1fr;
        padding: 30px 22px;
      }

      .cta-actions .btn {
        flex: 1 1 160px;
      }

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

    @media (max-width: 520px) {
      .age-chip {
        display: none;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 13px;
      }

      .brand-name {
        max-width: 168px;
      }

      .hero {
        padding-top: 28px;
      }

      h1 {
        font-size: 31px;
        letter-spacing: -.045em;
      }

      .section-title {
        font-size: 27px;
      }

      .notice-item,
      .step-item,
      .guide-card {
        padding: 16px;
      }

      .step-item {
        grid-template-columns: 42px 1fr;
        gap: 12px;
      }

      .step-no {
        width: 42px;
        height: 42px;
        border-radius: 15px;
      }

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

      .footer-bottom {
        display: grid;
      }
    }

/* roulang page: article */
:root {
      --color-primary: #541637;
      --color-primary-deep: #321024;
      --color-primary-soft: #7a3158;
      --color-accent: #c8745f;
      --color-accent-soft: #f5d6cb;
      --color-bg: #fbf6ed;
      --color-bg-2: #f4eadc;
      --color-card: #fffdf8;
      --color-card-strong: #ffffff;
      --color-text: #261922;
      --color-muted: #74646e;
      --color-light: #fdf7ef;
      --color-border: #eadbd2;
      --color-border-strong: #dec5bd;
      --shadow-sm: 0 10px 28px rgba(61, 23, 44, .08);
      --shadow-md: 0 18px 50px rgba(61, 23, 44, .13);
      --shadow-lg: 0 30px 80px rgba(36, 13, 28, .22);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --header-height: 74px;
      --transition: 200ms ease;
      --font: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
    }

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

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

    body {
      min-height: 100vh;
      margin: 0;
      color: var(--color-text);
      font-family: var(--font);
      line-height: 1.75;
      background:
        radial-gradient(circle at 8% 6%, rgba(200, 116, 95, .12), transparent 26%),
        radial-gradient(circle at 92% 14%, rgba(84, 22, 55, .10), transparent 25%),
        linear-gradient(180deg, var(--color-bg), var(--color-bg-2) 48%, #fbf8f2);
      overflow-x: hidden;
    }

    body.menu-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), opacity var(--transition);
    }

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

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

    button,
    input {
      font: inherit;
    }

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

    :focus-visible {
      outline: 3px solid rgba(200, 116, 95, .42);
      outline-offset: 3px;
      border-radius: 12px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      min-height: var(--header-height);
      background: rgba(253, 247, 239, .86);
      border-bottom: 1px solid rgba(234, 219, 210, .78);
      backdrop-filter: blur(18px);
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      background: rgba(255, 253, 248, .96);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrap {
      min-height: var(--header-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 16px;
      background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.28), transparent 34%),
        linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: 0 10px 24px rgba(84, 22, 55, .20);
    }

    .brand-text {
      display: flex;
      align-items: center;
      gap: 8px;
      min-width: 0;
    }

    .brand-name {
      max-width: 310px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 17px;
    }

    .age-chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 42px;
      height: 24px;
      padding: 0 8px;
      border-radius: 999px;
      border: 1px solid rgba(200, 116, 95, .35);
      color: var(--color-primary);
      background: #fff4eb;
      font-size: 12px;
      font-weight: 750;
      line-height: 1;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
    }

    .nav-link {
      position: relative;
      padding: 10px 13px;
      border-radius: 999px;
      color: #49333f;
      font-size: 15px;
      font-weight: 650;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      border-radius: 999px;
      background: var(--color-accent);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--transition);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-primary);
      background: rgba(255, 244, 235, .72);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      transform: scaleX(1);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 750;
      line-height: 1;
      white-space: nowrap;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }

    .btn-primary {
      color: var(--color-light);
      background: linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: 0 14px 30px rgba(84, 22, 55, .22);
    }

    .btn-primary:hover {
      color: var(--color-light);
      transform: translateY(-2px);
      background: linear-gradient(145deg, #6a1f48, #2a0c1d);
      box-shadow: 0 18px 36px rgba(84, 22, 55, .28);
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 253, 248, .80);
      border-color: rgba(84, 22, 55, .20);
    }

    .btn-secondary:hover {
      color: var(--color-primary);
      transform: translateY(-2px);
      background: #fff2ed;
      border-color: rgba(200, 116, 95, .45);
      box-shadow: var(--shadow-sm);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      display: none;
      place-items: center;
      border-radius: 15px;
      border: 1px solid rgba(84, 22, 55, .18);
      background: rgba(255, 253, 248, .76);
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      margin: 3px 0;
      display: block;
      border-radius: 999px;
      background: var(--color-primary);
      transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(5px) rotate(45deg);
    }

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

    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-5px) rotate(-45deg);
    }

    .mobile-panel {
      display: none;
      position: fixed;
      inset: var(--header-height) 16px auto 16px;
      z-index: 80;
      padding: 12px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 248, .98);
      box-shadow: var(--shadow-lg);
      transform: translateY(-10px);
      opacity: 0;
      pointer-events: none;
      transition: transform var(--transition), opacity var(--transition);
    }

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

    .mobile-panel-inner {
      display: grid;
      gap: 8px;
    }

    .mobile-panel .nav-link {
      padding: 14px 16px;
      min-height: 48px;
    }

    .article-hero {
      position: relative;
      padding: 44px 0 34px;
      overflow: hidden;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 12% 20%, rgba(84, 22, 55, .10), transparent 30%),
        radial-gradient(circle at 86% 30%, rgba(200, 116, 95, .14), transparent 24%);
      pointer-events: none;
    }

    .breadcrumb-wrap {
      position: relative;
      z-index: 1;
      padding-top: 8px;
      margin-bottom: 28px;
    }

    .breadcrumb-list {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: var(--color-muted);
      font-size: 14px;
    }

    .breadcrumb-list li {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .breadcrumb-list li:not(:last-child)::after {
      content: "/";
      color: #a7909a;
    }

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

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

    .breadcrumb-current {
      max-width: 520px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--color-primary);
      font-weight: 650;
    }

    .article-head-card {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
      gap: 34px;
      align-items: stretch;
      padding: 28px;
      border: 1px solid rgba(222, 197, 189, .86);
      border-radius: var(--radius-xl);
      background: rgba(255, 253, 248, .80);
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(16px);
    }

    .article-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 16px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(200, 116, 95, .34);
      color: var(--color-primary);
      background: #fff4eb;
      font-size: 13px;
      font-weight: 760;
    }

    .article-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(200, 116, 95, .14);
    }

    .article-title {
      margin: 0;
      color: var(--color-primary-deep);
      font-size: clamp(32px, 4vw, 52px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 820;
    }

    .article-desc {
      max-width: 760px;
      margin: 18px 0 0;
      color: var(--color-muted);
      font-size: 17px;
      line-height: 1.85;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .meta-pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(84, 22, 55, .13);
      color: #5a4651;
      background: rgba(255, 255, 255, .64);
      font-size: 13px;
      font-weight: 650;
    }

    .meta-pill strong {
      color: var(--color-primary);
      font-weight: 780;
    }

    .article-cover {
      position: relative;
      min-height: 310px;
      overflow: hidden;
      border-radius: 30px;
      background:
        linear-gradient(145deg, rgba(50,16,36,.55), rgba(84,22,55,.18)),
        #e9d7ca;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
    }

    .article-cover img {
      width: 100%;
      height: 100%;
      min-height: 310px;
      object-fit: cover;
      filter: saturate(.92) contrast(1.02);
      transition: transform 420ms ease, filter var(--transition);
    }

    .article-cover:hover img {
      transform: scale(1.035);
      filter: saturate(1) contrast(1.04);
    }

    .cover-note {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      padding: 14px 16px;
      border-radius: 20px;
      color: #fffaf5;
      background: rgba(50, 16, 36, .76);
      backdrop-filter: blur(12px);
      box-shadow: 0 16px 34px rgba(21, 8, 17, .22);
    }

    .cover-note span {
      display: block;
      color: rgba(255, 250, 245, .72);
      font-size: 12px;
      margin-bottom: 4px;
    }

    .cover-note b {
      display: block;
      font-size: 15px;
      line-height: 1.45;
    }

    .main-layout {
      display: grid;
      grid-template-columns: minmax(0, 830px) minmax(260px, 1fr);
      gap: 30px;
      align-items: start;
      padding: 46px 0 86px;
    }

    .article-reading-card {
      overflow: hidden;
      border: 1px solid rgba(234, 219, 210, .92);
      border-radius: 28px;
      background: rgba(255, 253, 248, .94);
      box-shadow: var(--shadow-md);
    }

    .reading-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 26px;
      border-bottom: 1px solid var(--color-border);
      background:
        linear-gradient(90deg, rgba(255,244,235,.88), rgba(255,253,248,.72));
    }

    .reading-toolbar-title {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-primary);
      font-weight: 780;
    }

    .reading-toolbar-title::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(84, 22, 55, .10);
    }

    .reading-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--color-muted);
      font-size: 13px;
    }

    .article-content {
      padding: 42px 46px 48px;
      color: #30232b;
      font-size: 17px;
      line-height: 1.88;
      word-break: break-word;
    }

    .article-content p {
      margin: 0 0 22px;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: var(--color-primary-deep);
      letter-spacing: -.02em;
    }

    .article-content h2 {
      position: relative;
      margin: 44px 0 18px;
      padding-left: 16px;
      font-size: 28px;
      line-height: 1.35;
      font-weight: 780;
    }

    .article-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: .35em;
      width: 5px;
      height: 1.1em;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    }

    .article-content h3 {
      margin: 34px 0 14px;
      font-size: 22px;
      line-height: 1.42;
      font-weight: 720;
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 24px 0;
      padding-left: 1.35em;
    }

    .article-content li {
      margin: 9px 0;
      padding-left: 2px;
    }

    .article-content blockquote {
      margin: 28px 0;
      padding: 20px 22px;
      border-left: 5px solid var(--color-primary);
      border-radius: 18px;
      color: #4e3a46;
      background: #fff0ec;
    }

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

    .article-content a {
      color: var(--color-primary);
      font-weight: 720;
      border-bottom: 1px solid rgba(200, 116, 95, .45);
    }

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

    .article-content img {
      width: auto;
      max-width: 100%;
      margin: 28px auto;
      border-radius: 20px;
      box-shadow: var(--shadow-sm);
    }

    .article-content figure {
      margin: 30px 0;
    }

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

    .article-content hr {
      margin: 34px 0;
      border: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
    }

    .article-content table {
      width: 100%;
      display: block;
      overflow-x: auto;
      margin: 28px 0;
      border-collapse: collapse;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: #fffefa;
    }

    .article-content th,
    .article-content td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--color-border);
      border-right: 1px solid var(--color-border);
      white-space: nowrap;
    }

    .article-content th {
      color: var(--color-primary);
      background: #fff3ea;
      font-weight: 780;
    }

    .not-found-box {
      padding: 42px 28px;
      text-align: center;
      border-radius: 24px;
      background:
        radial-gradient(circle at 50% 0, rgba(200,116,95,.13), transparent 35%),
        #fffaf4;
      border: 1px dashed rgba(200, 116, 95, .45);
    }

    .not-found-icon {
      width: 62px;
      height: 62px;
      margin: 0 auto 16px;
      display: grid;
      place-items: center;
      border-radius: 22px;
      color: var(--color-primary);
      background: #fff1e8;
      font-size: 28px;
      font-weight: 800;
    }

    .not-found-box h2 {
      margin: 0 0 10px;
      color: var(--color-primary-deep);
      font-size: 26px;
    }

    .not-found-box p {
      margin: 0 auto 22px;
      max-width: 520px;
      color: var(--color-muted);
    }

    .side-stack {
      position: sticky;
      top: calc(var(--header-height) + 22px);
      display: grid;
      gap: 18px;
    }

    .side-card {
      border: 1px solid rgba(234, 219, 210, .9);
      border-radius: 24px;
      background: rgba(255, 253, 248, .86);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .side-card-inner {
      padding: 22px;
    }

    .side-title {
      margin: 0 0 12px;
      color: var(--color-primary-deep);
      font-size: 18px;
      font-weight: 780;
    }

    .side-text {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .toc-list {
      display: grid;
      gap: 10px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
    }

    .toc-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 12px 13px;
      border-radius: 14px;
      color: #4d3945;
      background: rgba(255, 244, 235, .60);
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 650;
    }

    .toc-list a:hover {
      color: var(--color-primary);
      border-color: rgba(200, 116, 95, .35);
      background: #fff3ec;
      transform: translateX(2px);
    }

    .tip-list {
      display: grid;
      gap: 10px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
    }

    .tip-list li {
      position: relative;
      padding-left: 24px;
      color: #5a4651;
      font-size: 14px;
      line-height: 1.7;
    }

    .tip-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      color: var(--color-accent);
      font-weight: 800;
    }

    .side-image {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      border-radius: 0 0 24px 24px;
      background: var(--color-primary-deep);
    }

    .side-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .88;
      transition: transform 360ms ease;
    }

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

    .article-foot-meta {
      margin-top: 26px;
      padding: 22px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 244, 235, .58);
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .section {
      padding: 82px 0;
    }

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

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-eyebrow {
      display: inline-flex;
      width: fit-content;
      margin-bottom: 10px;
      padding: 7px 12px;
      border-radius: 999px;
      color: var(--color-primary);
      background: #fff2ea;
      border: 1px solid rgba(200, 116, 95, .28);
      font-size: 13px;
      font-weight: 760;
    }

    .section-title {
      margin: 0;
      color: var(--color-primary-deep);
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.25;
      letter-spacing: -.03em;
      font-weight: 800;
    }

    .section-desc {
      max-width: 650px;
      margin: 10px 0 0;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.78;
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
    }

    .related-card {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 220px minmax(0, 1fr);
      min-height: 190px;
      border: 1px solid rgba(234, 219, 210, .9);
      border-radius: 26px;
      background: rgba(255, 253, 248, .90);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(200, 116, 95, .52);
      box-shadow: var(--shadow-md);
    }

    .related-media {
      position: relative;
      overflow: hidden;
      min-height: 190px;
      background: #dfcabe;
    }

    .related-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 360ms ease;
    }

    .related-card:hover .related-media img {
      transform: scale(1.05);
    }

    .related-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 16px;
    }

    .related-body h3 {
      margin: 10px 0 8px;
      color: var(--color-primary-deep);
      font-size: 21px;
      line-height: 1.42;
      font-weight: 780;
    }

    .related-body p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .read-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 780;
    }

    .read-link::after {
      content: "→";
      transition: transform var(--transition);
    }

    .related-card:hover .read-link::after {
      transform: translateX(4px);
    }

    .latest-panel {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(280px, .22fr);
      gap: 22px;
      align-items: stretch;
    }

    .latest-card {
      padding: 28px;
      border: 1px solid rgba(222, 197, 189, .82);
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.84), rgba(255,244,235,.70)),
        var(--color-card);
      box-shadow: var(--shadow-sm);
    }

    .latest-card h3 {
      margin: 0 0 12px;
      color: var(--color-primary-deep);
      font-size: 24px;
      font-weight: 800;
    }

    .latest-card p {
      margin: 0;
      color: var(--color-muted);
      line-height: 1.78;
    }

    .latest-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .mini-note {
      padding: 24px;
      border-radius: 28px;
      color: var(--color-light);
      background:
        radial-gradient(circle at 20% 0, rgba(255,255,255,.16), transparent 28%),
        linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: var(--shadow-md);
    }

    .mini-note strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
    }

    .mini-note span {
      display: block;
      color: rgba(253, 247, 239, .78);
      font-size: 14px;
      line-height: 1.75;
    }

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

    .faq-item {
      border: 1px solid rgba(234, 219, 210, .92);
      border-radius: 22px;
      background: rgba(255, 253, 248, .88);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item.is-open {
      border-color: rgba(200, 116, 95, .44);
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 22px;
      color: var(--color-primary-deep);
      text-align: left;
      font-weight: 780;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--color-primary);
      background: #fff2ea;
      transition: transform var(--transition), background var(--transition);
    }

    .faq-item.is-open .faq-question span:last-child {
      transform: rotate(45deg);
      background: var(--color-accent-soft);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 240ms ease;
    }

    .faq-answer-inner {
      position: relative;
      margin: 0 22px 22px;
      padding: 16px 18px 16px 20px;
      border-left: 4px solid var(--color-primary);
      border-radius: 16px;
      color: var(--color-muted);
      background: #fff4ec;
      font-size: 15px;
      line-height: 1.78;
    }

    .cta-banner {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 26px;
      align-items: center;
      padding: 34px;
      border-radius: 34px;
      color: var(--color-light);
      background:
        radial-gradient(circle at 15% 10%, rgba(255,255,255,.18), transparent 28%),
        radial-gradient(circle at 85% 90%, rgba(200,116,95,.30), transparent 26%),
        linear-gradient(145deg, var(--color-primary), var(--color-primary-deep));
      box-shadow: var(--shadow-lg);
    }

    .cta-banner::after {
      content: "";
      position: absolute;
      inset: auto -80px -110px auto;
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      pointer-events: none;
    }

    .cta-title {
      position: relative;
      z-index: 1;
      margin: 0 0 8px;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.25;
      font-weight: 820;
      letter-spacing: -.03em;
    }

    .cta-text {
      position: relative;
      z-index: 1;
      max-width: 720px;
      margin: 0;
      color: rgba(253, 247, 239, .78);
      line-height: 1.78;
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .cta-banner .btn-secondary {
      color: var(--color-light);
      background: rgba(255,255,255,.10);
      border-color: rgba(255,255,255,.30);
    }

    .cta-banner .btn-secondary:hover {
      background: rgba(255,255,255,.18);
      color: #fff;
    }

    .site-footer {
      padding: 56px 0 28px;
      color: rgba(253, 247, 239, .74);
      background:
        radial-gradient(circle at 15% 0, rgba(200,116,95,.22), transparent 25%),
        linear-gradient(180deg, #321024, #1f0a17);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .7fr .7fr;
      gap: 42px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(253, 247, 239, .14);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fffaf5;
      font-weight: 820;
    }

    .footer-brand:hover {
      color: #fff;
    }

    .footer-text {
      max-width: 520px;
      margin: 16px 0 0;
      color: rgba(253, 247, 239, .70);
      font-size: 14px;
      line-height: 1.85;
    }

    .footer-title {
      margin-bottom: 14px;
      color: #fffaf5;
      font-size: 15px;
      font-weight: 780;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
      font-size: 14px;
    }

    .footer-links a,
    .footer-links li {
      color: rgba(253, 247, 239, .72);
    }

    .footer-links a:hover {
      color: var(--color-accent-soft);
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      padding-top: 22px;
      color: rgba(253, 247, 239, .58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --header-height: 70px;
      }

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

      .menu-toggle {
        display: grid;
      }

      .mobile-panel {
        display: block;
      }

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

      .article-cover,
      .article-cover img {
        min-height: 360px;
      }

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

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

      .related-grid,
      .latest-panel {
        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% - 28px, var(--container));
      }

      .brand-name {
        max-width: 190px;
        font-size: 15px;
      }

      .age-chip {
        min-width: 38px;
        height: 22px;
        font-size: 11px;
      }

      .article-hero {
        padding: 30px 0 24px;
      }

      .breadcrumb-current {
        max-width: 240px;
      }

      .article-head-card {
        padding: 18px;
        border-radius: 26px;
        gap: 22px;
      }

      .article-title {
        font-size: clamp(30px, 8vw, 38px);
      }

      .article-desc {
        font-size: 15px;
      }

      .article-cover,
      .article-cover img {
        min-height: 260px;
        border-radius: 24px;
      }

      .main-layout {
        padding: 28px 0 62px;
      }

      .reading-toolbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 18px;
      }

      .article-content {
        padding: 28px 22px 32px;
        font-size: 16px;
      }

      .article-content h2 {
        font-size: 24px;
      }

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

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 48px 0;
      }

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

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

      .related-media {
        aspect-ratio: 16 / 10;
        min-height: auto;
      }

      .cta-banner {
        grid-template-columns: 1fr;
        padding: 26px;
        border-radius: 28px;
      }

      .cta-actions {
        justify-content: flex-start;
      }

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

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

    @media (max-width: 520px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .brand {
        gap: 8px;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
      }

      .brand-name {
        max-width: 150px;
      }

      .article-head-card {
        padding: 14px;
      }

      .article-meta {
        gap: 8px;
      }

      .meta-pill,
      .tag {
        max-width: 100%;
        white-space: normal;
      }

      .article-cover,
      .article-cover img {
        min-height: 220px;
        aspect-ratio: 4 / 3;
      }

      .cover-note {
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 12px;
      }

      .article-content {
        padding: 24px 18px 28px;
        line-height: 1.82;
      }

      .article-content table {
        font-size: 14px;
      }

      .latest-actions,
      .cta-actions {
        display: grid;
        grid-template-columns: 1fr;
      }

      .btn {
        width: 100%;
      }

      .faq-question {
        padding: 16px;
      }

      .faq-answer-inner {
        margin: 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}