/* roulang page: index */
:root {
      --color-ink: #151311;
      --color-ink-2: #24201d;
      --color-charcoal: #1b1715;
      --color-cinema: #0f0d0c;
      --color-paper: #f7f2ea;
      --color-paper-2: #fffaf2;
      --color-card: #fffdf8;
      --color-muted: #6f675d;
      --color-soft: #a99d8f;
      --color-line: rgba(45, 38, 31, .12);
      --color-line-dark: rgba(255, 241, 219, .14);
      --color-gold: #f2aa3b;
      --color-gold-2: #ffd37a;
      --color-wine: #8b2635;
      --color-wine-2: #5d1b27;
      --shadow-sm: 0 10px 24px rgba(32, 24, 16, .08);
      --shadow-md: 0 18px 42px rgba(32, 24, 16, .12);
      --shadow-lg: 0 30px 80px rgba(20, 14, 8, .22);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --nav-height: 76px;
      --ease: cubic-bezier(.2, .75, .25, 1);
      --font-cn: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: var(--font-cn);
      color: var(--color-ink);
      background:
        radial-gradient(circle at top left, rgba(242, 170, 59, .12), transparent 34rem),
        linear-gradient(180deg, #f9f4ec 0%, var(--color-paper) 48%, #f4eee4 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body.nav-open {
      overflow: hidden;
    }

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

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

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

    input,
    textarea {
      width: 100%;
      color: var(--color-ink);
      background: #fffdf8;
      border: 1px solid rgba(45, 38, 31, .16);
      border-radius: 16px;
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
    }

    input {
      height: 50px;
      padding: 0 16px;
    }

    textarea {
      min-height: 126px;
      padding: 14px 16px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(242, 170, 59, .35);
      outline-offset: 3px;
      border-color: rgba(242, 170, 59, .85);
      box-shadow: 0 0 0 5px rgba(242, 170, 59, .14);
    }

    ::selection {
      background: rgba(242, 170, 59, .32);
      color: var(--color-ink);
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

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

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: end;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-wine);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: .04em;
      margin-bottom: 10px;
    }

    .section-kicker::before {
      content: "";
      width: 26px;
      height: 3px;
      border-radius: 99px;
      background: var(--color-gold);
      box-shadow: 18px 0 0 rgba(242, 170, 59, .28);
    }

    .section-title {
      margin: 0;
      color: var(--color-ink);
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .section-desc {
      margin: 12px 0 0;
      max-width: 680px;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 760;
      line-height: 1;
      white-space: nowrap;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-gold), var(--color-gold-2));
      color: #2d1905;
      box-shadow: 0 14px 30px rgba(242, 170, 59, .26);
    }

    .btn-primary:hover {
      color: #241300;
      transform: translateY(-3px);
      box-shadow: 0 18px 38px rgba(242, 170, 59, .34);
    }

    .btn-secondary {
      color: var(--color-paper-2);
      border: 1px solid rgba(255, 241, 219, .22);
      background: rgba(255, 255, 255, .06);
    }

    .btn-secondary:hover {
      color: var(--color-gold-2);
      border-color: rgba(242, 170, 59, .55);
      background: rgba(242, 170, 59, .1);
      transform: translateY(-3px);
    }

    .btn-light {
      background: var(--color-card);
      color: var(--color-ink);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .btn-light:hover {
      color: var(--color-wine);
      border-color: rgba(242, 170, 59, .55);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .btn:active {
      transform: translateY(0) scale(.98);
      box-shadow: none;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      line-height: 1;
      font-weight: 720;
      white-space: nowrap;
    }

    .tag {
      padding: 8px 12px;
      color: #6b3400;
      background: rgba(242, 170, 59, .16);
      border: 1px solid rgba(242, 170, 59, .26);
    }

    .badge {
      padding: 9px 13px;
      color: #ffe8bd;
      background: rgba(139, 38, 53, .46);
      border: 1px solid rgba(255, 211, 122, .22);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(18, 15, 13, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 241, 219, .1);
      box-shadow: 0 10px 26px rgba(0, 0, 0, .18);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff3df;
      font-weight: 850;
      letter-spacing: -.02em;
      font-size: 20px;
      flex: 0 0 auto;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(242, 170, 59, .96), rgba(139, 38, 53, .92)),
        var(--color-gold);
      position: relative;
      box-shadow: 0 14px 24px rgba(242, 170, 59, .18);
      overflow: hidden;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 8px 10px;
      border: 2px solid rgba(31, 16, 4, .58);
      border-radius: 9px;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 17px;
      top: 13px;
      border-left: 11px solid rgba(31, 16, 4, .78);
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      padding: 10px 14px;
      border-radius: 999px;
      color: rgba(255, 243, 223, .78);
      font-weight: 680;
      font-size: 15px;
    }

    .nav-link:hover,
    .nav-link.active {
      color: #fff5e6;
      background: rgba(255, 255, 255, .075);
    }

    .nav-cta {
      margin-left: 8px;
      flex: 0 0 auto;
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      border: 1px solid rgba(255, 241, 219, .16);
      color: #fff1d8;
      background: rgba(255, 255, 255, .06);
      position: relative;
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      margin: 5px auto;
      border-radius: 99px;
      background: currentColor;
      transition: transform .2s var(--ease), opacity .2s var(--ease);
    }

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

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

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

    .hero {
      min-height: calc(100vh - var(--nav-height));
      padding: 74px 0 72px;
      color: #fff4e3;
      background:
        linear-gradient(90deg, rgba(15, 13, 12, .94), rgba(15, 13, 12, .74) 48%, rgba(15, 13, 12, .45)),
        linear-gradient(180deg, rgba(15, 13, 12, .12), rgba(15, 13, 12, .92)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      width: 64vw;
      height: 42vw;
      right: -14vw;
      top: -8vw;
      background: radial-gradient(ellipse at center, rgba(242, 170, 59, .22), rgba(242, 170, 59, .06) 35%, transparent 68%);
      transform: rotate(-12deg);
      pointer-events: none;
    }

    .hero::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 120px;
      background: linear-gradient(180deg, transparent, var(--color-paper));
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(420px, .9fr);
      align-items: center;
      gap: 54px;
    }

    .hero-copy {
      max-width: 670px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      color: #ffe5b6;
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 211, 122, .23);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .03);
      margin-bottom: 22px;
      font-weight: 740;
      font-size: 14px;
    }

    .hero-badge i {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-gold);
      box-shadow: 0 0 0 6px rgba(242, 170, 59, .16);
    }

    .hero h1 {
      margin: 0;
      max-width: 760px;
      color: #fff8ea;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.14;
      font-weight: 860;
      letter-spacing: -.055em;
      text-wrap: balance;
    }

    .hero-lead {
      max-width: 660px;
      margin: 24px 0 0;
      color: rgba(255, 244, 227, .82);
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

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

    .note-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 8px 13px;
      border-radius: 999px;
      color: rgba(255, 244, 227, .86);
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 241, 219, .12);
      font-size: 14px;
      font-weight: 650;
    }

    .note-pill::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-gold);
    }

    .screen-stack {
      position: relative;
      padding: 18px;
      border-radius: var(--radius-xl);
      background: linear-gradient(145deg, rgba(255, 244, 227, .12), rgba(255, 244, 227, .03));
      border: 1px solid rgba(255, 241, 219, .16);
      box-shadow: var(--shadow-lg);
    }

    .screen-main {
      min-height: 450px;
      border-radius: 28px;
      overflow: hidden;
      position: relative;
      background: var(--color-cinema);
      isolation: isolate;
    }

    .screen-main img {
      width: 100%;
      height: 450px;
      object-fit: cover;
      filter: saturate(.95) contrast(1.06);
    }

    .screen-main::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(15, 13, 12, .05), rgba(15, 13, 12, .74)),
        radial-gradient(circle at 25% 18%, rgba(255, 211, 122, .25), transparent 32%);
      z-index: 1;
    }

    .screen-caption {
      position: absolute;
      z-index: 2;
      left: 22px;
      right: 22px;
      bottom: 22px;
      display: grid;
      gap: 10px;
    }

    .screen-caption strong {
      font-size: 24px;
      line-height: 1.25;
      color: #fff6e8;
    }

    .screen-caption span {
      color: rgba(255, 244, 227, .74);
      font-size: 14px;
      line-height: 1.7;
    }

    .float-card {
      position: absolute;
      z-index: 3;
      border-radius: 20px;
      background: rgba(255, 250, 242, .95);
      color: var(--color-ink);
      border: 1px solid rgba(255, 255, 255, .46);
      box-shadow: 0 20px 44px rgba(0, 0, 0, .24);
      backdrop-filter: blur(12px);
      padding: 16px;
    }

    .float-card.top {
      right: -18px;
      top: 46px;
      width: 214px;
    }

    .float-card.bottom {
      left: -22px;
      bottom: 44px;
      width: 236px;
    }

    .float-card small {
      display: block;
      color: var(--color-wine);
      font-weight: 780;
      margin-bottom: 6px;
    }

    .float-card strong {
      display: block;
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .float-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.65;
    }

    .quick-strip {
      margin-top: -34px;
      position: relative;
      z-index: 2;
    }

    .film-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      border-radius: 26px;
      background: var(--color-card);
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(45, 38, 31, .1);
      overflow: hidden;
    }

    .quick-item {
      min-height: 154px;
      padding: 24px;
      position: relative;
      border-right: 1px dashed rgba(45, 38, 31, .16);
      transition: transform .22s var(--ease), background-color .22s var(--ease);
    }

    .quick-item:last-child {
      border-right: 0;
    }

    .quick-item::before,
    .quick-item::after {
      content: "";
      position: absolute;
      right: -7px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--color-paper);
      border: 1px solid rgba(45, 38, 31, .08);
    }

    .quick-item::before {
      top: 16px;
    }

    .quick-item::after {
      bottom: 16px;
    }

    .quick-item:last-child::before,
    .quick-item:last-child::after {
      display: none;
    }

    .quick-item:hover {
      background: #fff7e8;
      transform: translateY(-4px);
    }

    .quick-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      color: #4c2600;
      background: rgba(242, 170, 59, .18);
      font-weight: 850;
      margin-bottom: 15px;
    }

    .quick-item h3 {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.35;
    }

    .quick-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .quick-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 13px;
      color: var(--color-wine);
      font-weight: 760;
      font-size: 14px;
    }

    .quick-link:hover {
      gap: 10px;
      color: #6e1724;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(310px, .68fr);
      gap: 24px;
      align-items: stretch;
    }

    .feature-large {
      min-height: 488px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      box-shadow: var(--shadow-md);
      background: var(--color-cinema);
      border: 1px solid rgba(45, 38, 31, .12);
    }

    .feature-large img,
    .feature-small img,
    .guide-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .feature-large::after,
    .feature-small::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 13, 12, .02), rgba(15, 13, 12, .82));
      pointer-events: none;
    }

    .feature-content {
      position: absolute;
      left: 28px;
      right: 28px;
      bottom: 26px;
      z-index: 2;
      color: #fff5e4;
    }

    .feature-content h3 {
      margin: 14px 0 10px;
      max-width: 640px;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
    }

    .feature-content p {
      max-width: 620px;
      margin: 0;
      color: rgba(255, 244, 227, .78);
    }

    .feature-side {
      display: grid;
      gap: 18px;
    }

    .feature-small {
      min-height: 235px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      position: relative;
      background: var(--color-cinema);
      border: 1px solid rgba(45, 38, 31, .12);
      box-shadow: var(--shadow-sm);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease);
    }

    .feature-small:hover,
    .feature-large:hover {
      transform: translateY(-5px);
      box-shadow: 0 24px 58px rgba(32, 24, 16, .18);
    }

    .feature-small .feature-content {
      left: 20px;
      right: 20px;
      bottom: 20px;
    }

    .feature-small .feature-content h3 {
      margin: 10px 0 0;
      font-size: 22px;
    }

    .topic-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 22px;
    }

    .topic-card {
      display: flex;
      gap: 16px;
      align-items: center;
      padding: 17px;
      border-radius: 22px;
      background: var(--color-card);
      border: 1px solid rgba(45, 38, 31, .1);
      box-shadow: var(--shadow-sm);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .topic-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 170, 59, .45);
      box-shadow: var(--shadow-md);
    }

    .topic-thumb {
      flex: 0 0 78px;
      width: 78px;
      height: 78px;
      border-radius: 18px;
      overflow: hidden;
      background: #eadfd0;
    }

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

    .topic-card h3 {
      margin: 0 0 5px;
      font-size: 18px;
      line-height: 1.35;
    }

    .topic-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .latest {
      background:
        linear-gradient(180deg, rgba(27, 23, 21, .98), rgba(27, 23, 21, .94)),
        url('/assets/images/backpic/back-2.jpg') center/cover fixed;
      color: #fff2de;
      overflow: hidden;
    }

    .latest .section-title {
      color: #fff7e8;
    }

    .latest .section-desc {
      color: rgba(255, 244, 227, .72);
    }

    .latest .section-kicker {
      color: var(--color-gold-2);
    }

    .latest-wrap {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.08fr);
      gap: 24px;
      align-items: start;
    }

    .latest-featured,
    .news-item,
    .empty-state {
      border: 1px solid var(--color-line-dark);
      background: rgba(255, 255, 255, .07);
      box-shadow: 0 24px 60px rgba(0, 0, 0, .22);
      backdrop-filter: blur(10px);
    }

    .latest-featured {
      border-radius: 28px;
      padding: 28px;
      min-height: 360px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      color: rgba(255, 244, 227, .72);
      font-size: 13px;
      font-weight: 650;
    }

    .news-category {
      color: #391d00;
      background: linear-gradient(135deg, var(--color-gold), var(--color-gold-2));
      border-radius: 999px;
      padding: 7px 10px;
      line-height: 1;
      font-weight: 820;
    }

    .latest-featured h3,
    .news-item h3 {
      margin: 0;
      color: #fff8ea;
      line-height: 1.36;
      letter-spacing: -.02em;
    }

    .latest-featured h3 {
      font-size: clamp(24px, 3vw, 34px);
    }

    .latest-featured p,
    .news-item p {
      color: rgba(255, 244, 227, .72);
      margin: 14px 0 0;
      display: -webkit-box;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .latest-featured p {
      -webkit-line-clamp: 4;
      font-size: 16px;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 104px minmax(0, 1fr);
      gap: 18px;
      align-items: center;
      border-radius: 24px;
      padding: 18px;
      transition: transform .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
    }

    .news-item:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 170, 59, .42);
      background: rgba(255, 255, 255, .1);
    }

    .news-datebox {
      min-height: 92px;
      border-radius: 18px;
      background: rgba(242, 170, 59, .13);
      border: 1px solid rgba(242, 170, 59, .23);
      display: grid;
      place-items: center;
      text-align: center;
      color: #ffdf9d;
      padding: 12px;
      font-weight: 800;
      line-height: 1.35;
    }

    .news-item h3 {
      font-size: 20px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-item p {
      -webkit-line-clamp: 2;
      font-size: 14px;
      line-height: 1.65;
    }

    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-top: 22px;
      color: var(--color-gold-2);
      font-weight: 780;
    }

    .read-more:hover {
      color: #fff1c8;
      gap: 12px;
    }

    .empty-state {
      grid-column: 1 / -1;
      border-radius: 28px;
      min-height: 180px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 38px;
      color: rgba(255, 244, 227, .78);
      font-weight: 740;
      font-size: 18px;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
      gap: 30px;
      align-items: center;
    }

    .guide-media {
      position: relative;
      min-height: 470px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(45, 38, 31, .12);
      background: #e9dece;
    }

    .guide-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(18, 14, 10, .02), rgba(18, 14, 10, .45));
    }

    .guide-label {
      position: absolute;
      left: 24px;
      bottom: 24px;
      z-index: 2;
      display: inline-flex;
      flex-direction: column;
      gap: 5px;
      padding: 16px 18px;
      border-radius: 20px;
      color: #fff4df;
      background: rgba(15, 13, 12, .74);
      border: 1px solid rgba(255, 241, 219, .14);
    }

    .guide-label strong {
      font-size: 21px;
      line-height: 1.25;
    }

    .guide-label span {
      color: rgba(255, 244, 227, .72);
      font-size: 13px;
    }

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

    .step-card {
      display: grid;
      grid-template-columns: 58px minmax(0, 1fr);
      gap: 18px;
      align-items: start;
      padding: 22px;
      border-radius: 24px;
      background: var(--color-card);
      border: 1px solid rgba(45, 38, 31, .1);
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }

    .step-card:hover {
      transform: translateX(5px);
      border-color: rgba(242, 170, 59, .42);
      box-shadow: var(--shadow-md);
    }

    .step-num {
      width: 58px;
      height: 58px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #421f00;
      background: linear-gradient(135deg, rgba(242, 170, 59, .92), rgba(255, 211, 122, .78));
      font-weight: 880;
      font-size: 20px;
    }

    .step-card h3 {
      margin: 0 0 7px;
      font-size: 21px;
      line-height: 1.35;
    }

    .step-card p {
      margin: 0;
      color: var(--color-muted);
      line-height: 1.72;
    }

    .trust-panel {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 24px;
      align-items: stretch;
    }

    .trust-copy {
      padding: 34px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(27, 23, 21, .96), rgba(27, 23, 21, .88)),
        url('/assets/images/backpic/back-3.webp') center/cover;
      color: #fff4df;
      box-shadow: var(--shadow-md);
      min-height: 420px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .trust-copy::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -90px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(242, 170, 59, .16);
    }

    .trust-copy h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.03em;
      position: relative;
      z-index: 1;
    }

    .trust-copy p {
      margin: 18px 0 0;
      color: rgba(255, 244, 227, .76);
      position: relative;
      z-index: 1;
    }

    .trust-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .trust-card {
      padding: 24px;
      border-radius: 24px;
      background: var(--color-card);
      border: 1px solid rgba(45, 38, 31, .1);
      box-shadow: var(--shadow-sm);
      transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }

    .trust-card:hover {
      transform: translateY(-4px);
      border-color: rgba(242, 170, 59, .44);
      box-shadow: var(--shadow-md);
    }

    .trust-icon {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: #421f00;
      background: rgba(242, 170, 59, .2);
      margin-bottom: 14px;
      font-weight: 850;
    }

    .trust-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      line-height: 1.35;
    }

    .trust-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.72;
    }

    .faq {
      background: linear-gradient(180deg, rgba(255, 250, 242, .66), rgba(244, 238, 228, .86));
    }

    .faq-grid {
      display: grid;
      grid-template-columns: minmax(280px, .42fr) minmax(0, .58fr);
      gap: 30px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: calc(var(--nav-height) + 24px);
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--color-card);
      border: 1px solid rgba(45, 38, 31, .1);
      box-shadow: var(--shadow-sm);
    }

    .faq-aside h2 {
      margin: 0 0 12px;
      font-size: 31px;
      line-height: 1.25;
    }

    .faq-aside p {
      margin: 0;
      color: var(--color-muted);
    }

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

    details.faq-item {
      border-radius: 22px;
      background: var(--color-card);
      border: 1px solid rgba(45, 38, 31, .1);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
    }

    details.faq-item[open] {
      border-color: rgba(242, 170, 59, .42);
      box-shadow: var(--shadow-md);
    }

    .faq-item summary {
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 18px 22px;
      color: var(--color-ink);
      font-size: 18px;
      font-weight: 780;
      list-style: none;
      cursor: pointer;
    }

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

    .faq-item summary::after {
      content: "+";
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #492500;
      background: rgba(242, 170, 59, .18);
      font-weight: 800;
      transition: transform .22s var(--ease), background-color .22s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "—";
      background: rgba(242, 170, 59, .28);
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 22px 22px;
      color: var(--color-muted);
      line-height: 1.85;
    }

    .cta-wrap {
      display: grid;
      grid-template-columns: minmax(0, .94fr) minmax(330px, .66fr);
      gap: 28px;
      align-items: stretch;
      padding: 34px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 20% 0%, rgba(242, 170, 59, .22), transparent 34%),
        linear-gradient(135deg, #211b18, #13100f);
      color: #fff4df;
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      position: relative;
    }

    .cta-wrap::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -160px;
      top: -160px;
      border-radius: 50%;
      background: rgba(139, 38, 53, .36);
      pointer-events: none;
    }

    .cta-copy {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: 420px;
    }

    .cta-copy h2 {
      margin: 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -.04em;
    }

    .cta-copy p {
      max-width: 680px;
      margin: 18px 0 0;
      color: rgba(255, 244, 227, .76);
      font-size: 17px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .feedback-form {
      position: relative;
      z-index: 1;
      padding: 24px;
      border-radius: 26px;
      background: rgba(255, 250, 242, .97);
      color: var(--color-ink);
      box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
    }

    .feedback-form h3 {
      margin: 0 0 6px;
      font-size: 23px;
      line-height: 1.35;
    }

    .feedback-form p {
      margin: 0 0 18px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .form-row {
      display: grid;
      gap: 8px;
      margin-bottom: 14px;
    }

    .form-row label {
      color: var(--color-ink);
      font-weight: 720;
      font-size: 14px;
    }

    .form-hint {
      min-height: 20px;
      margin-top: 12px;
      color: var(--color-muted);
      font-size: 13px;
    }

    .site-footer {
      padding: 58px 0 34px;
      color: rgba(255, 244, 227, .78);
      background:
        linear-gradient(180deg, #171311, #0f0d0c);
      border-top: 1px solid rgba(255, 241, 219, .12);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) repeat(3, minmax(150px, .45fr));
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff5e4;
      font-size: 21px;
      font-weight: 850;
      margin-bottom: 16px;
    }

    .footer-about p {
      max-width: 490px;
      margin: 0;
      line-height: 1.85;
      color: rgba(255, 244, 227, .68);
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff5e4;
      font-size: 16px;
      line-height: 1.3;
    }

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

    .footer-links a {
      color: rgba(255, 244, 227, .68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--color-gold-2);
      transform: translateX(4px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 241, 219, .1);
      color: rgba(255, 244, 227, .54);
      font-size: 13px;
    }

    .fade-up {
      animation: fadeUp .56s var(--ease) both;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(18px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 1120px) {
      .hero-grid,
      .feature-layout,
      .guide-grid,
      .trust-panel,
      .cta-wrap {
        grid-template-columns: 1fr;
      }

      .screen-stack {
        max-width: 680px;
      }

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

      .faq-aside {
        position: static;
      }

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

    @media (max-width: 900px) {
      :root {
        --nav-height: 68px;
      }

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

      .section {
        padding: 68px 0;
      }

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

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

      .nav-menu {
        position: fixed;
        left: 16px;
        right: 16px;
        top: calc(var(--nav-height) + 10px);
        display: grid;
        gap: 6px;
        padding: 14px;
        border-radius: 22px;
        background: rgba(18, 15, 13, .98);
        border: 1px solid rgba(255, 241, 219, .12);
        box-shadow: 0 24px 70px rgba(0, 0, 0, .38);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: opacity .22s var(--ease), transform .22s var(--ease);
      }

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

      .nav-link {
        min-height: 48px;
        justify-content: center;
        border-radius: 16px;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        padding: 48px 0 66px;
      }

      .hero-grid {
        gap: 34px;
      }

      .screen-main,
      .screen-main img {
        min-height: 360px;
        height: 360px;
      }

      .float-card {
        position: static;
        width: auto !important;
        margin-top: 12px;
      }

      .film-strip,
      .topic-row,
      .trust-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .quick-item:nth-child(2)::before,
      .quick-item:nth-child(2)::after {
        display: none;
      }

      .section-heading {
        grid-template-columns: 1fr;
        align-items: start;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      .brand {
        font-size: 18px;
      }

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

      .hero h1 {
        font-size: clamp(31px, 9vw, 40px);
      }

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

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

      .btn {
        width: 100%;
        min-height: 48px;
      }

      .screen-stack {
        padding: 10px;
        border-radius: 24px;
      }

      .screen-main,
      .screen-main img {
        min-height: 300px;
        height: 300px;
        border-radius: 20px;
      }

      .screen-caption {
        left: 16px;
        right: 16px;
        bottom: 16px;
      }

      .screen-caption strong {
        font-size: 20px;
      }

      .film-strip,
      .topic-row,
      .trust-list {
        grid-template-columns: 1fr;
      }

      .quick-item {
        border-right: 0;
        border-bottom: 1px dashed rgba(45, 38, 31, .16);
      }

      .quick-item:last-child {
        border-bottom: 0;
      }

      .quick-item::before,
      .quick-item::after {
        display: none;
      }

      .feature-large {
        min-height: 420px;
      }

      .feature-small {
        min-height: 260px;
      }

      .feature-content {
        left: 20px;
        right: 20px;
        bottom: 20px;
      }

      .latest-featured,
      .news-item {
        padding: 20px;
      }

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

      .news-datebox {
        min-height: auto;
        justify-items: start;
        text-align: left;
      }

      .guide-media {
        min-height: 330px;
      }

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

      .trust-copy,
      .cta-wrap {
        padding: 24px;
        border-radius: 26px;
      }

      .cta-copy {
        min-height: auto;
      }

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

      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 420px) {
      .hero-badge,
      .note-pill,
      .tag,
      .badge {
        white-space: normal;
      }

      .section-title {
        font-size: 25px;
      }

      .topic-card {
        align-items: flex-start;
      }

      .topic-thumb {
        flex-basis: 66px;
        width: 66px;
        height: 66px;
      }
    }

/* roulang page: article */
:root {
      --color-ink: #151311;
      --color-ink-2: #24201d;
      --color-charcoal: #1b1715;
      --color-cinema: #0f0d0c;
      --color-paper: #f7f2ea;
      --color-paper-2: #fffaf2;
      --color-card: #fffdf8;
      --color-muted: #6f675d;
      --color-soft: #a99d8f;
      --color-line: rgba(45, 38, 31, .12);
      --color-line-dark: rgba(255, 241, 219, .14);
      --color-gold: #f2aa3b;
      --color-gold-2: #ffd37a;
      --color-wine: #8b2635;
      --color-wine-2: #5d1b27;
      --shadow-sm: 0 10px 24px rgba(32, 24, 16, .08);
      --shadow-md: 0 18px 42px rgba(32, 24, 16, .12);
      --shadow-lg: 0 30px 80px rgba(20, 14, 8, .22);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --nav-height: 76px;
      --ease: cubic-bezier(.2, .75, .25, 1);
      --font-cn: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: var(--font-cn);
      color: var(--color-ink);
      background:
        radial-gradient(circle at top left, rgba(242, 170, 59, .12), transparent 34rem),
        linear-gradient(180deg, #f9f4ec 0%, var(--color-paper) 48%, #f4eee4 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body.nav-open {
      overflow: hidden;
    }

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

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

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

    input,
    textarea {
      width: 100%;
      color: var(--color-ink);
      background: #fffdf8;
      border: 1px solid rgba(45, 38, 31, .16);
      border-radius: 16px;
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
    }

    input {
      height: 50px;
      padding: 0 16px;
    }

    textarea {
      min-height: 126px;
      padding: 14px 16px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(242, 170, 59, .35);
      outline-offset: 3px;
      border-color: rgba(242, 170, 59, .85);
      box-shadow: 0 0 0 5px rgba(242, 170, 59, .14);
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight {
      padding: 68px 0;
    }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: end;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-wine);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: .04em;
      margin-bottom: 10px;
    }

    .section-kicker::before {
      content: "";
      width: 26px;
      height: 3px;
      border-radius: 99px;
      background: var(--color-gold);
      box-shadow: 18px 0 0 rgba(242, 170, 59, .28);
    }

    .section-title {
      margin: 0;
      color: var(--color-ink);
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .section-desc {
      margin: 12px 0 0;
      max-width: 680px;
      color: var(--color-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 760;
      line-height: 1;
      white-space: nowrap;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-gold), var(--color-gold-2));
      color: #2d1905;
      box-shadow: 0 14px 30px rgba(242, 170, 59, .26);
    }

    .btn-primary:hover {
      color: #241300;
      transform: translateY(-3px);
      box-shadow: 0 18px 38px rgba(242, 170, 59, .34);
    }

    .btn-secondary {
      color: var(--color-paper-2);
      border: 1px solid rgba(255, 241, 219, .22);
      background: rgba(255, 255, 255, .06);
    }

    .btn-secondary:hover {
      color: var(--color-gold-2);
      border-color: rgba(242, 170, 59, .55);
      background: rgba(242, 170, 59, .1);
      transform: translateY(-3px);
    }

    .btn-light {
      background: var(--color-card);
      color: var(--color-ink);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-sm);
    }

    .btn-light:hover {
      color: var(--color-wine);
      border-color: rgba(242, 170, 59, .55);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .btn:active {
      transform: translateY(0) scale(.98);
      box-shadow: none;
    }

    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      line-height: 1;
      font-weight: 720;
      white-space: nowrap;
    }

    .tag {
      padding: 8px 12px;
      color: #6b3400;
      background: rgba(242, 170, 59, .16);
      border: 1px solid rgba(242, 170, 59, .26);
    }

    .badge {
      padding: 9px 13px;
      color: #ffe8bd;
      background: rgba(139, 38, 53, .46);
      border: 1px solid rgba(255, 211, 122, .22);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-height);
      background: rgba(15, 13, 12, .94);
      border-bottom: 1px solid var(--color-line-dark);
      backdrop-filter: blur(18px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
    }

    .site-header::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, rgba(242, 170, 59, .08), transparent 32%, rgba(139, 38, 53, .08)),
        repeating-linear-gradient(90deg, transparent 0 25px, rgba(255, 241, 219, .035) 25px 26px);
      opacity: .75;
    }

    .nav-wrap {
      position: relative;
      z-index: 1;
      height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 850;
      letter-spacing: -.02em;
    }

    .brand {
      color: #fff7e8;
      font-size: 21px;
      min-width: max-content;
    }

    .brand:hover {
      color: var(--color-gold-2);
    }

    .brand-mark {
      position: relative;
      width: 38px;
      height: 38px;
      border-radius: 13px;
      background:
        linear-gradient(135deg, rgba(242, 170, 59, .95), rgba(139, 38, 53, .92)),
        var(--color-gold);
      box-shadow: 0 12px 26px rgba(242, 170, 59, .2);
      flex: 0 0 auto;
      overflow: hidden;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      inset: 9px 10px;
      clip-path: polygon(0 0, 100% 50%, 0 100%);
      background: rgba(21, 19, 17, .86);
      transform: translateX(2px);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 5px;
      right: 5px;
      top: 5px;
      height: 3px;
      border-radius: 99px;
      background: repeating-linear-gradient(90deg, rgba(21, 19, 17, .55) 0 4px, transparent 4px 8px);
      box-shadow: 0 25px 0 rgba(21, 19, 17, .36);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-link {
      min-height: 42px;
      padding: 10px 14px;
      border-radius: 999px;
      color: rgba(255, 247, 232, .78);
      font-size: 15px;
      font-weight: 680;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-gold-2);
      background: rgba(255, 255, 255, .07);
    }

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

    .nav-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      color: #fff3da;
      border: 1px solid rgba(255, 241, 219, .18);
      background: rgba(255, 255, 255, .06);
      align-items: center;
      justify-content: center;
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 99px;
      background: currentColor;
      transition: transform .22s var(--ease), opacity .22s var(--ease);
    }

    .nav-toggle span {
      position: relative;
    }

    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .nav-toggle span::before {
      top: -7px;
    }

    .nav-toggle span::after {
      top: 7px;
    }

    body.nav-open .nav-toggle span {
      background: transparent;
    }

    body.nav-open .nav-toggle span::before {
      top: 0;
      transform: rotate(45deg);
      background: #fff3da;
    }

    body.nav-open .nav-toggle span::after {
      top: 0;
      transform: rotate(-45deg);
      background: #fff3da;
    }

    .article-hero {
      position: relative;
      overflow: hidden;
      padding: 46px 0 70px;
      color: #fff5e4;
      background:
        linear-gradient(120deg, rgba(15, 13, 12, .96), rgba(27, 23, 21, .88) 58%, rgba(93, 27, 39, .82)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 18% 20%, rgba(242, 170, 59, .18), transparent 28rem),
        linear-gradient(90deg, rgba(255, 211, 122, .08), transparent 45%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 34px);
      pointer-events: none;
    }

    .article-hero .container {
      position: relative;
      z-index: 1;
    }

    .breadcrumb-line {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin: 0 0 28px;
      color: rgba(255, 247, 232, .7);
      font-size: 14px;
    }

    .breadcrumb-line a {
      color: rgba(255, 247, 232, .82);
    }

    .breadcrumb-line a:hover {
      color: var(--color-gold-2);
    }

    .breadcrumb-line .sep {
      color: rgba(255, 211, 122, .54);
    }

    .article-title-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 38px;
      align-items: end;
    }

    .article-kicker-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin-bottom: 18px;
    }

    .article-title {
      max-width: 900px;
      margin: 0;
      font-size: clamp(31px, 5.2vw, 56px);
      line-height: 1.16;
      font-weight: 860;
      letter-spacing: -.045em;
      color: #fff7e8;
    }

    .article-summary {
      max-width: 760px;
      margin: 20px 0 0;
      color: rgba(255, 247, 232, .78);
      font-size: 17px;
      line-height: 1.9;
    }

    .meta-panel {
      border: 1px solid rgba(255, 241, 219, .16);
      border-radius: var(--radius-lg);
      padding: 22px;
      background: rgba(255, 255, 255, .07);
      box-shadow: 0 22px 70px rgba(0, 0, 0, .24);
    }

    .meta-panel h2 {
      margin: 0 0 14px;
      color: #ffe0a2;
      font-size: 16px;
      font-weight: 800;
    }

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

    .meta-list li {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-bottom: 11px;
      border-bottom: 1px solid rgba(255, 241, 219, .12);
      color: rgba(255, 247, 232, .78);
      font-size: 14px;
    }

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

    .meta-list strong {
      color: #fff7e8;
      font-weight: 780;
      text-align: right;
    }

    .article-shell {
      margin-top: -36px;
      position: relative;
      z-index: 2;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 780px) 340px;
      gap: 36px;
      align-items: start;
    }

    .article-card {
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-xl);
      background: var(--color-card);
      box-shadow: var(--shadow-md);
    }

    .cover-frame {
      position: relative;
      overflow: hidden;
      aspect-ratio: 21 / 9;
      background: var(--color-charcoal);
    }

    .cover-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.94) contrast(1.02);
    }

    .cover-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 48%, rgba(15, 13, 12, .62));
    }

    .cover-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 18px;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      color: rgba(255, 247, 232, .86);
      font-size: 14px;
    }

    .reading-body {
      padding: clamp(26px, 4vw, 46px);
    }

    .cms-content {
      color: #2d2924;
      font-size: 17px;
      line-height: 1.9;
      word-break: break-word;
    }

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

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

    .cms-content p {
      margin: 0 0 1.15em;
    }

    .cms-content h2,
    .cms-content h3,
    .cms-content h4 {
      color: var(--color-ink);
      font-weight: 830;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .cms-content h2 {
      position: relative;
      margin: 2.15em 0 .9em;
      padding-left: 18px;
      font-size: clamp(24px, 3vw, 31px);
    }

    .cms-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: .25em;
      bottom: .22em;
      width: 5px;
      border-radius: 99px;
      background: linear-gradient(180deg, var(--color-gold), var(--color-wine));
    }

    .cms-content h3 {
      margin: 1.75em 0 .75em;
      font-size: 23px;
    }

    .cms-content h4 {
      margin: 1.45em 0 .65em;
      font-size: 19px;
    }

    .cms-content a {
      color: var(--color-wine);
      font-weight: 720;
      border-bottom: 1px solid rgba(139, 38, 53, .26);
    }

    .cms-content a:hover {
      color: #6f1624;
      border-color: rgba(242, 170, 59, .72);
    }

    .cms-content ul,
    .cms-content ol {
      margin: 0 0 1.2em;
      padding-left: 1.35em;
    }

    .cms-content li {
      margin: .42em 0;
      padding-left: .2em;
    }

    .cms-content blockquote {
      margin: 1.55em 0;
      padding: 20px 24px;
      border-left: 5px solid var(--color-gold);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      background: rgba(242, 170, 59, .12);
      color: #463b30;
      box-shadow: inset 0 0 0 1px rgba(242, 170, 59, .14);
    }

    .cms-content img {
      margin: 1.7em auto;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .cms-content figure {
      margin: 1.7em 0;
    }

    .cms-content figcaption {
      margin-top: 10px;
      color: var(--color-muted);
      font-size: 14px;
      text-align: center;
    }

    .cms-content table {
      width: 100%;
      margin: 1.6em 0;
      border-collapse: separate;
      border-spacing: 0;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: #fff;
      font-size: 15px;
    }

    .cms-content th,
    .cms-content td {
      padding: 13px 15px;
      border-bottom: 1px solid rgba(45, 38, 31, .1);
      vertical-align: top;
    }

    .cms-content th {
      background: #f4eadc;
      color: var(--color-ink);
      font-weight: 800;
    }

    .cms-content tr:last-child td {
      border-bottom: 0;
    }

    .cms-content pre,
    .cms-content code {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    }

    .cms-content code {
      padding: .16em .42em;
      border-radius: 8px;
      background: rgba(27, 23, 21, .08);
      color: var(--color-wine);
      font-size: .92em;
    }

    .cms-content pre {
      overflow: auto;
      margin: 1.6em 0;
      padding: 18px;
      border-radius: var(--radius-md);
      background: #1d1815;
      color: #fff0d1;
      line-height: 1.7;
    }

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

    .not-found {
      display: grid;
      gap: 18px;
      place-items: center;
      min-height: 320px;
      padding: 42px 24px;
      text-align: center;
      border: 1px dashed rgba(139, 38, 53, .28);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at center top, rgba(242, 170, 59, .16), transparent 18rem),
        #fff9ef;
    }

    .not-found-icon {
      width: 68px;
      height: 68px;
      display: grid;
      place-items: center;
      border-radius: 24px;
      background: rgba(242, 170, 59, .18);
      color: var(--color-wine);
      font-size: 32px;
      box-shadow: inset 0 0 0 1px rgba(242, 170, 59, .18);
    }

    .not-found h2 {
      margin: 0;
      font-size: 28px;
      font-weight: 850;
      color: var(--color-ink);
    }

    .not-found p {
      margin: 0;
      max-width: 560px;
      color: var(--color-muted);
      line-height: 1.85;
    }

    .article-sidebar {
      position: sticky;
      top: calc(var(--nav-height) + 24px);
      display: grid;
      gap: 18px;
    }

    .side-card {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: rgba(255, 253, 248, .92);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .side-card.dark {
      color: #fff4dd;
      background:
        linear-gradient(145deg, rgba(27, 23, 21, .96), rgba(93, 27, 39, .9)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      border-color: rgba(255, 241, 219, .12);
    }

    .side-inner {
      padding: 22px;
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 12px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 830;
    }

    .side-card p {
      margin: 0 0 16px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .side-card.dark p {
      color: rgba(255, 247, 232, .74);
    }

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

    .toc-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      min-height: 42px;
      padding: 10px 12px;
      border-radius: 14px;
      color: #40372f;
      background: rgba(242, 170, 59, .08);
      font-size: 14px;
      font-weight: 720;
    }

    .toc-list a:hover {
      color: var(--color-wine);
      background: rgba(242, 170, 59, .16);
      transform: translateX(3px);
    }

    .info-strip {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-top: 18px;
    }

    .info-item {
      padding: 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 241, 219, .13);
    }

    .info-item strong {
      display: block;
      color: var(--color-gold-2);
      font-size: 18px;
      line-height: 1.2;
    }

    .info-item span {
      display: block;
      margin-top: 4px;
      color: rgba(255, 247, 232, .7);
      font-size: 12px;
    }

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

    .mini-list a {
      display: grid;
      gap: 5px;
      padding: 13px;
      border-radius: 16px;
      border: 1px solid rgba(45, 38, 31, .1);
      background: #fff9ef;
    }

    .mini-list a:hover {
      transform: translateY(-3px);
      border-color: rgba(242, 170, 59, .4);
      box-shadow: var(--shadow-sm);
    }

    .mini-list strong {
      color: var(--color-ink);
      font-size: 15px;
      line-height: 1.5;
    }

    .mini-list span {
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.25fr .85fr .85fr;
      gap: 22px;
      align-items: stretch;
    }

    .related-card {
      position: relative;
      overflow: hidden;
      display: flex;
      min-height: 230px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-line);
      background: var(--color-card);
      box-shadow: var(--shadow-sm);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .related-card:hover {
      transform: translateY(-5px);
      border-color: rgba(242, 170, 59, .46);
      box-shadow: var(--shadow-md);
    }

    .related-card.featured {
      min-height: 310px;
    }

    .related-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .related-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 13, 12, .08), rgba(15, 13, 12, .84));
    }

    .related-content {
      position: relative;
      z-index: 1;
      align-self: flex-end;
      width: 100%;
      padding: 22px;
      color: #fff7e8;
    }

    .related-content h3 {
      margin: 11px 0 8px;
      font-size: 21px;
      line-height: 1.4;
      font-weight: 820;
    }

    .related-content p {
      margin: 0;
      color: rgba(255, 247, 232, .75);
      font-size: 14px;
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .guide-panel {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 28px;
      align-items: center;
      padding: clamp(28px, 5vw, 46px);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #fffdf8, #fff2dc),
        var(--color-card);
      border: 1px solid rgba(242, 170, 59, .24);
      box-shadow: var(--shadow-md);
    }

    .guide-panel h2 {
      margin: 0;
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.25;
      font-weight: 850;
      letter-spacing: -.03em;
    }

    .guide-panel p {
      margin: 14px 0 0;
      color: var(--color-muted);
      line-height: 1.9;
    }

    .guide-steps {
      display: grid;
      gap: 13px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .guide-steps li {
      display: grid;
      grid-template-columns: 46px minmax(0, 1fr);
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(45, 38, 31, .1);
      background: rgba(255, 253, 248, .78);
    }

    .guide-steps b {
      display: grid;
      place-items: center;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      color: #3a2106;
      background: linear-gradient(135deg, var(--color-gold), var(--color-gold-2));
      box-shadow: 0 12px 26px rgba(242, 170, 59, .18);
    }

    .guide-steps strong {
      display: block;
      margin-bottom: 3px;
      font-size: 17px;
      color: var(--color-ink);
    }

    .guide-steps span {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.7;
    }

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

    .faq-item {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-card);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .faq-item[open] {
      border-color: rgba(242, 170, 59, .42);
    }

    .faq-item summary {
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 18px 20px;
      color: var(--color-ink);
      font-weight: 800;
      cursor: pointer;
      list-style: none;
    }

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

    .faq-item summary::after {
      content: "+";
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      width: 30px;
      height: 30px;
      border-radius: 999px;
      color: #6b3400;
      background: rgba(242, 170, 59, .16);
      transition: transform .22s var(--ease), background-color .22s var(--ease);
    }

    .faq-item[open] summary::after {
      content: "−";
      transform: rotate(180deg);
      background: rgba(242, 170, 59, .28);
    }

    .faq-item p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .feedback-card {
      overflow: hidden;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(27, 23, 21, .97), rgba(93, 27, 39, .94)),
        url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
      color: #fff7e8;
      box-shadow: var(--shadow-lg);
    }

    .feedback-inner {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 34px;
      padding: clamp(28px, 5vw, 52px);
      background:
        radial-gradient(circle at 12% 12%, rgba(242, 170, 59, .16), transparent 24rem),
        linear-gradient(90deg, rgba(15, 13, 12, .18), rgba(15, 13, 12, .04));
    }

    .feedback-card h2 {
      margin: 0;
      font-size: clamp(27px, 3.3vw, 42px);
      line-height: 1.22;
      font-weight: 850;
      letter-spacing: -.035em;
    }

    .feedback-card p {
      margin: 16px 0 0;
      color: rgba(255, 247, 232, .76);
      line-height: 1.9;
    }

    .feedback-form {
      display: grid;
      gap: 14px;
      padding: 22px;
      border-radius: var(--radius-lg);
      background: rgba(255, 253, 248, .94);
      border: 1px solid rgba(255, 241, 219, .32);
      box-shadow: 0 22px 60px rgba(0, 0, 0, .2);
    }

    .feedback-form label {
      display: grid;
      gap: 7px;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 760;
    }

    .form-note {
      margin: 0;
      color: var(--color-muted) !important;
      font-size: 13px;
      line-height: 1.65 !important;
    }

    .site-footer {
      color: rgba(255, 247, 232, .78);
      background:
        linear-gradient(180deg, #1b1715, #0f0d0c),
        var(--color-cinema);
      padding: 62px 0 28px;
      border-top: 1px solid rgba(255, 241, 219, .12);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr .75fr .8fr;
      gap: 34px;
      padding-bottom: 36px;
    }

    .footer-brand {
      color: #fff7e8;
      font-size: 21px;
      margin-bottom: 16px;
    }

    .footer-brand:hover {
      color: var(--color-gold-2);
    }

    .footer-about p {
      max-width: 420px;
      margin: 0;
      color: rgba(255, 247, 232, .67);
      line-height: 1.85;
      font-size: 15px;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff7e8;
      font-size: 16px;
      font-weight: 800;
    }

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

    .footer-links a {
      width: fit-content;
      color: rgba(255, 247, 232, .68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--color-gold-2);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 241, 219, .12);
      color: rgba(255, 247, 232, .54);
      font-size: 13px;
    }

    @media (max-width: 1100px) {
      :root {
        --nav-height: 68px;
      }

      .nav-cta {
        display: none;
      }

      .article-title-grid,
      .article-layout,
      .guide-panel,
      .feedback-inner {
        grid-template-columns: 1fr;
      }

      .article-sidebar {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .related-card.featured {
        grid-column: 1 / -1;
      }

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

    @media (max-width: 860px) {
      .nav-toggle {
        display: inline-flex;
      }

      .nav-menu {
        position: fixed;
        left: 20px;
        right: 20px;
        top: calc(var(--nav-height) + 12px);
        display: grid;
        gap: 8px;
        padding: 16px;
        border-radius: 22px;
        background: rgba(15, 13, 12, .98);
        border: 1px solid rgba(255, 241, 219, .14);
        box-shadow: var(--shadow-lg);
        transform: translateY(-16px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform .22s var(--ease), opacity .22s var(--ease), visibility .22s var(--ease);
      }

      body.nav-open .nav-menu {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
      }

      .nav-link {
        width: 100%;
        min-height: 48px;
        display: flex;
        align-items: center;
        padding: 12px 14px;
      }

      .article-hero {
        padding: 34px 0 58px;
      }

      .meta-panel {
        max-width: 520px;
      }

      .article-shell {
        margin-top: -26px;
      }

      .article-sidebar,
      .related-grid,
      .faq-grid {
        grid-template-columns: 1fr;
      }

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

      .section-heading {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 18px;
      }

      .cover-frame {
        aspect-ratio: 16 / 9;
      }
    }

    @media (max-width: 560px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .brand {
        font-size: 18px;
      }

      .brand-mark {
        width: 35px;
        height: 35px;
        border-radius: 12px;
      }

      .article-title {
        font-size: 31px;
      }

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

      .article-kicker-row {
        gap: 8px;
      }

      .badge,
      .tag {
        font-size: 12px;
        padding: 8px 10px;
      }

      .reading-body {
        padding: 24px 18px;
      }

      .cms-content {
        font-size: 16px;
        line-height: 1.86;
      }

      .cms-content h2 {
        font-size: 23px;
      }

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

      .cover-caption {
        left: 16px;
        right: 16px;
        bottom: 14px;
        font-size: 12px;
      }

      .side-inner,
      .related-content,
      .feedback-form {
        padding: 18px;
      }

      .guide-steps li {
        grid-template-columns: 40px minmax(0, 1fr);
      }

      .guide-steps b {
        width: 40px;
        height: 40px;
        border-radius: 14px;
      }

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

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
      }

      .btn {
        width: 100%;
      }
    }

/* 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}