/* roulang page: index */
:root {
      --bg-ink: #100f0d;
      --bg-ink-2: #1b1714;
      --bg-panel: #231d18;
      --bg-cream: #f6f0e7;
      --bg-soft: #fffaf2;
      --bg-card: #ffffff;
      --text-main: #241d17;
      --text-muted: #746b62;
      --text-light: #fff8ed;
      --text-soft: #d8cabb;
      --brand: #f0a33a;
      --brand-2: #ffbf69;
      --red-brown: #8b2f26;
      --line: rgba(36, 29, 23, .12);
      --line-dark: rgba(255, 248, 237, .14);
      --shadow: 0 18px 50px rgba(25, 15, 6, .13);
      --shadow-deep: 0 24px 70px rgba(0, 0, 0, .35);
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 32px;
      --container: 1200px;
      --nav-height: 78px;
      --ease: cubic-bezier(.22, .61, .36, 1);
    }

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

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

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--text-main);
      background: var(--bg-cream);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(240, 163, 58, .55);
      outline-offset: 3px;
    }

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 50;
      height: var(--nav-height);
      color: var(--text-light);
      background: rgba(16, 15, 13, .74);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 248, 237, .08);
      transition: background .25s var(--ease), box-shadow .25s var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(16, 15, 13, .92);
      box-shadow: 0 12px 36px rgba(0, 0, 0, .22);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: .02em;
      color: var(--text-light);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, var(--brand), var(--brand-2));
      position: relative;
      box-shadow: 0 10px 28px rgba(240, 163, 58, .26);
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 11px;
      border-radius: 5px;
      border: 2px solid rgba(33, 20, 9, .62);
    }

    .brand-mark::after {
      width: 0;
      height: 0;
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
      border-left: 10px solid rgba(33, 20, 9, .78);
      inset: 14px auto auto 17px;
      border-radius: 0;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.05;
    }

    .brand-text strong {
      font-size: 18px;
    }

    .brand-text span {
      margin-top: 5px;
      font-size: 12px;
      color: rgba(255, 248, 237, .66);
      font-weight: 500;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(255, 248, 237, .08);
      border-radius: 999px;
      background: rgba(255, 255, 255, .04);
    }

    .nav-links a {
      position: relative;
      padding: 10px 15px;
      border-radius: 999px;
      font-size: 14px;
      color: rgba(255, 248, 237, .76);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text-light);
      background: rgba(255, 248, 237, .08);
    }

    .nav-links a.active {
      color: #1d140b;
      background: var(--brand);
      font-weight: 700;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 15px;
      background: rgba(255, 248, 237, .08);
      color: var(--text-light);
      border: 1px solid rgba(255, 248, 237, .12);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      margin: 5px auto;
      border-radius: 999px;
      transition: transform .25s var(--ease), opacity .25s var(--ease);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      line-height: 1;
      border: 1px solid transparent;
      transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
      user-select: none;
    }

    .btn svg {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
    }

    .btn-primary {
      background: var(--brand);
      color: #241507;
      box-shadow: 0 12px 30px rgba(240, 163, 58, .22);
    }

    .btn-primary:hover {
      background: var(--brand-2);
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(240, 163, 58, .28);
    }

    .btn-secondary {
      color: var(--text-light);
      background: rgba(255, 248, 237, .08);
      border-color: rgba(255, 248, 237, .18);
    }

    .btn-secondary:hover {
      border-color: rgba(240, 163, 58, .56);
      background: rgba(240, 163, 58, .12);
      transform: translateY(-2px);
    }

    .btn-dark {
      background: #1f1711;
      color: var(--text-light);
    }

    .btn-dark:hover {
      background: var(--red-brown);
      transform: translateY(-2px);
    }

    .hero {
      position: relative;
      min-height: 760px;
      padding: calc(var(--nav-height) + 78px) 0 76px;
      color: var(--text-light);
      background:
        linear-gradient(180deg, rgba(16, 15, 13, .45), rgba(16, 15, 13, .9) 78%, var(--bg-ink) 100%),
        radial-gradient(circle at 24% 28%, rgba(240, 163, 58, .22), transparent 32%),
        url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 88px),
        radial-gradient(ellipse at top, rgba(255, 191, 105, .08), transparent 55%);
      pointer-events: none;
      mix-blend-mode: screen;
    }

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

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      align-items: end;
      gap: 42px;
    }

    .hero-copy {
      max-width: 980px;
      padding-top: 30px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--brand-2);
      background: rgba(240, 163, 58, .12);
      border: 1px solid rgba(240, 163, 58, .28);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(240, 163, 58, .13);
    }

    .hero h1 {
      margin-top: 22px;
      max-width: 1040px;
      font-size: clamp(38px, 6.2vw, 66px);
      line-height: 1.08;
      letter-spacing: -.045em;
      font-weight: 900;
      text-wrap: balance;
    }

    .hero h1 em {
      color: var(--brand-2);
      font-style: normal;
    }

    .hero-subtitle {
      max-width: 760px;
      margin-top: 22px;
      color: rgba(255, 248, 237, .78);
      font-size: clamp(16px, 2vw, 19px);
      line-height: 1.85;
    }

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

    .hero-board {
      display: grid;
      grid-template-columns: 1.22fr .78fr;
      gap: 18px;
      align-items: stretch;
      margin-top: 26px;
    }

    .today-focus {
      position: relative;
      min-height: 258px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #1f1711;
      border: 1px solid rgba(255, 248, 237, .13);
      box-shadow: var(--shadow-deep);
    }

    .today-focus img {
      width: 100%;
      height: 100%;
      min-height: 258px;
      object-fit: cover;
      transform: scale(1.02);
      filter: saturate(.92) contrast(1.05);
    }

    .today-focus::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(16,15,13,.84), rgba(16,15,13,.18) 72%), linear-gradient(0deg, rgba(0,0,0,.25), transparent);
    }

    .focus-text {
      position: absolute;
      z-index: 1;
      left: 26px;
      right: 26px;
      bottom: 24px;
      max-width: 560px;
    }

    .focus-text .badge {
      margin-bottom: 12px;
    }

    .focus-text h2 {
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.25;
      letter-spacing: -.02em;
    }

    .focus-text p {
      margin-top: 10px;
      color: rgba(255, 248, 237, .76);
      max-width: 560px;
    }

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

    .note-card {
      position: relative;
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 248, 237, .08);
      border: 1px solid rgba(255, 248, 237, .13);
      overflow: hidden;
    }

    .note-card::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 5px;
      background: linear-gradient(180deg, var(--brand), rgba(139, 47, 38, .7));
      opacity: .9;
    }

    .note-card b {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: var(--brand-2);
      margin-bottom: 10px;
    }

    .note-card h3 {
      font-size: 19px;
      margin-bottom: 7px;
    }

    .note-card p {
      color: rgba(255, 248, 237, .68);
      font-size: 14px;
    }

    main {
      background: var(--bg-cream);
    }

    .section {
      padding: 92px 0;
    }

    .section-dark {
      background: var(--bg-ink);
      color: var(--text-light);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--red-brown);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .section-dark .section-kicker {
      color: var(--brand-2);
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.22;
      letter-spacing: -.035em;
      font-weight: 900;
      color: inherit;
    }

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

    .section-dark .section-desc {
      color: rgba(255, 248, 237, .68);
    }

    .badge,
    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      border-radius: 999px;
      font-size: 12px;
      line-height: 1;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge {
      padding: 8px 11px;
      color: #2a1908;
      background: var(--brand);
    }

    .tag {
      padding: 7px 10px;
      color: #6f291f;
      background: rgba(139, 47, 38, .08);
      border: 1px solid rgba(139, 47, 38, .12);
    }

    .tag.dark {
      color: var(--brand-2);
      background: rgba(240, 163, 58, .11);
      border-color: rgba(240, 163, 58, .18);
    }

    .filmstrip {
      margin-top: -1px;
      padding: 28px 0;
      background: var(--bg-ink);
      color: var(--text-light);
      border-top: 1px solid rgba(255, 248, 237, .08);
      border-bottom: 1px solid rgba(255, 248, 237, .08);
    }

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

    .film-pill {
      position: relative;
      min-height: 112px;
      padding: 20px 20px 18px;
      border-radius: 24px;
      background: rgba(255, 248, 237, .06);
      border: 1px solid rgba(255, 248, 237, .1);
      overflow: hidden;
      transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
    }

    .film-pill:hover {
      transform: translateY(-4px);
      border-color: rgba(240, 163, 58, .38);
      background: rgba(255, 248, 237, .09);
    }

    .film-pill::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 10px;
      height: 8px;
      background: radial-gradient(circle, rgba(255,248,237,.28) 2px, transparent 3px) left center/18px 8px repeat-x;
      opacity: .65;
    }

    .film-pill span {
      color: var(--brand-2);
      font-size: 12px;
      font-weight: 900;
      letter-spacing: .12em;
    }

    .film-pill h3 {
      margin-top: 6px;
      font-size: 20px;
      line-height: 1.3;
    }

    .film-pill p {
      margin-top: 6px;
      color: rgba(255, 248, 237, .64);
      font-size: 14px;
      line-height: 1.6;
    }

    .highlight-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .feature-card,
    .mini-card,
    .news-card,
    .step-card,
    .faq-item,
    .contact-panel {
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }

    .feature-card:hover,
    .mini-card:hover,
    .news-card:hover,
    .step-card:hover,
    .faq-item:hover {
      transform: translateY(-5px);
      border-color: rgba(240, 163, 58, .38);
      box-shadow: 0 22px 56px rgba(25, 15, 6, .16);
    }

    .feature-card {
      min-height: 530px;
      border-radius: var(--radius-lg);
      background: var(--bg-card);
      overflow: hidden;
    }

    .feature-image {
      position: relative;
      height: 310px;
      overflow: hidden;
      background: #211912;
    }

    .feature-image img,
    .mini-image img,
    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s var(--ease);
    }

    .feature-card:hover .feature-image img,
    .mini-card:hover .mini-image img,
    .news-card:hover .news-cover img {
      transform: scale(1.055);
    }

    .feature-image::after,
    .mini-image::after,
    .news-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(16, 15, 13, .55));
      pointer-events: none;
    }

    .feature-body {
      padding: 28px;
    }

    .feature-body h3 {
      margin-top: 14px;
      font-size: clamp(25px, 3vw, 34px);
      line-height: 1.28;
      letter-spacing: -.025em;
    }

    .feature-body p {
      margin-top: 13px;
      color: var(--text-muted);
      max-width: 680px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: #7d2d22;
      font-weight: 800;
    }

    .text-link:hover {
      color: #241507;
      transform: translateX(3px);
    }

    .mini-stack {
      display: grid;
      gap: 22px;
    }

    .mini-card {
      display: grid;
      grid-template-columns: 170px 1fr;
      min-height: 160px;
      border-radius: 26px;
      background: var(--bg-card);
      overflow: hidden;
    }

    .mini-image {
      position: relative;
      height: 100%;
      min-height: 160px;
      overflow: hidden;
      background: #211912;
    }

    .mini-body {
      padding: 22px;
    }

    .mini-body h3 {
      margin-top: 10px;
      font-size: 21px;
      line-height: 1.36;
    }

    .mini-body p {
      margin-top: 8px;
      color: var(--text-muted);
      font-size: 15px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .latest {
      background:
        radial-gradient(circle at 10% 12%, rgba(240, 163, 58, .11), transparent 28%),
        linear-gradient(180deg, var(--bg-ink), #17120f);
    }

    .latest-layout {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 22px;
      align-items: start;
    }

    .news-card {
      display: block;
      border-radius: 26px;
      overflow: hidden;
      color: var(--text-light);
      background: rgba(255, 248, 237, .06);
      border-color: rgba(255, 248, 237, .12);
      box-shadow: none;
    }

    .news-card:hover {
      border-color: rgba(240, 163, 58, .42);
      box-shadow: 0 22px 62px rgba(0,0,0,.28);
    }

    .news-cover {
      position: relative;
      height: 270px;
      overflow: hidden;
      background: #2a211a;
    }

    .news-body {
      padding: 24px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      color: rgba(255, 248, 237, .62);
      font-size: 13px;
      margin-bottom: 12px;
    }

    .meta-row .dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: rgba(255, 248, 237, .36);
    }

    .news-body h3 {
      font-size: clamp(23px, 3vw, 32px);
      line-height: 1.32;
      letter-spacing: -.02em;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-body p {
      margin-top: 12px;
      color: rgba(255, 248, 237, .68);
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

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

    .news-row {
      display: grid;
      grid-template-columns: 112px 1fr;
      gap: 18px;
      padding: 16px;
      border-radius: 24px;
      color: var(--text-light);
      background: rgba(255, 248, 237, .06);
      border: 1px solid rgba(255, 248, 237, .11);
      transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
    }

    .news-row:hover {
      transform: translateY(-4px);
      border-color: rgba(240, 163, 58, .42);
      background: rgba(255, 248, 237, .09);
    }

    .news-date {
      min-height: 110px;
      border-radius: 18px;
      background: rgba(240, 163, 58, .12);
      border: 1px solid rgba(240, 163, 58, .18);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--brand-2);
      font-weight: 900;
      padding: 12px;
      font-size: 14px;
      word-break: break-word;
    }

    .news-row h3 {
      font-size: 20px;
      line-height: 1.38;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-row p {
      margin-top: 8px;
      color: rgba(255, 248, 237, .64);
      font-size: 14px;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .empty-state {
      grid-column: 1 / -1;
      min-height: 220px;
      display: grid;
      place-items: center;
      text-align: center;
      border-radius: var(--radius-lg);
      color: rgba(255, 248, 237, .72);
      background:
        radial-gradient(circle at center, rgba(240, 163, 58, .1), transparent 42%),
        rgba(255, 248, 237, .06);
      border: 1px dashed rgba(255, 248, 237, .22);
      font-weight: 700;
    }

    .guide {
      background:
        linear-gradient(180deg, rgba(255, 250, 242, .75), rgba(246, 240, 231, 1)),
        url("/assets/images/backpic/back-2.jpg") center/cover fixed;
    }

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

    .step-card {
      position: relative;
      min-height: 242px;
      padding: 26px 22px;
      border-radius: 28px;
      background: rgba(255, 255, 255, .88);
      overflow: hidden;
    }

    .step-card::before {
      counter-increment: step;
      content: "0" counter(step);
      display: inline-flex;
      width: 48px;
      height: 48px;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      margin-bottom: 22px;
      background: #221711;
      color: var(--brand-2);
      font-weight: 900;
    }

    .step-card::after {
      content: "";
      position: absolute;
      top: 18px;
      right: 18px;
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(240,163,58,.18), transparent 68%);
    }

    .step-card h3 {
      font-size: 21px;
      line-height: 1.34;
    }

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

    .proof-band {
      padding: 30px 0 0;
    }

    .proof-card {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 1px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: rgba(36, 29, 23, .1);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .proof-item {
      padding: 28px;
      background: var(--bg-soft);
    }

    .proof-item strong {
      display: block;
      color: #7d2d22;
      font-size: 30px;
      line-height: 1;
      margin-bottom: 10px;
    }

    .proof-item span {
      display: block;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .proof-item p {
      color: var(--text-muted);
      font-size: 14px;
    }

    .contact {
      background: var(--bg-soft);
    }

    .contact-layout {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 26px;
      align-items: start;
    }

    .contact-panel {
      border-radius: var(--radius-lg);
      background: #1f1711;
      color: var(--text-light);
      border-color: rgba(255, 248, 237, .1);
      box-shadow: var(--shadow-deep);
      padding: 34px;
      position: sticky;
      top: calc(var(--nav-height) + 24px);
      overflow: hidden;
    }

    .contact-panel::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -90px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(240, 163, 58, .22), transparent 68%);
    }

    .contact-panel h2 {
      position: relative;
      z-index: 1;
      font-size: clamp(27px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -.03em;
    }

    .contact-panel p {
      position: relative;
      z-index: 1;
      margin-top: 14px;
      color: rgba(255, 248, 237, .68);
    }

    .contact-list {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      margin-top: 26px;
    }

    .contact-list li {
      list-style: none;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: rgba(255, 248, 237, .78);
    }

    .contact-list li::before {
      content: "";
      width: 10px;
      height: 10px;
      flex: 0 0 auto;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--brand);
    }

    .contact-form {
      display: grid;
      gap: 16px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background: var(--bg-card);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

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

    .field label {
      color: #3a2d23;
      font-size: 14px;
      font-weight: 800;
    }

    .field input,
    .field textarea,
    .field select {
      width: 100%;
      border: 1px solid rgba(36, 29, 23, .15);
      background: #fffaf5;
      color: var(--text-main);
      border-radius: 16px;
      padding: 13px 15px;
      transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
    }

    .field textarea {
      min-height: 132px;
      resize: vertical;
    }

    .field input:hover,
    .field textarea:hover,
    .field select:hover {
      border-color: rgba(240, 163, 58, .45);
    }

    .field input:focus,
    .field textarea:focus,
    .field select:focus {
      border-color: var(--brand);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(240, 163, 58, .13);
      outline: 0;
    }

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

    .form-message {
      display: none;
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(240, 163, 58, .12);
      color: #6f291f;
      font-weight: 700;
      font-size: 14px;
    }

    .form-message.is-show {
      display: block;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .faq-item {
      border-radius: 24px;
      background: var(--bg-card);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      color: var(--text-main);
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question span {
      font-size: 18px;
      line-height: 1.35;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: rgba(240, 163, 58, .16);
      position: relative;
      transition: transform .25s var(--ease), background .25s var(--ease);
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      inset: 13px 8px auto;
      height: 2px;
      border-radius: 999px;
      background: #7d2d22;
    }

    .faq-icon::after {
      transform: rotate(90deg);
      transition: transform .25s var(--ease);
    }

    .faq-answer {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows .25s var(--ease);
    }

    .faq-answer > div {
      overflow: hidden;
    }

    .faq-answer p {
      padding: 0 22px 22px;
      color: var(--text-muted);
      font-size: 15px;
    }

    .faq-item.is-open .faq-answer {
      grid-template-rows: 1fr;
    }

    .faq-item.is-open .faq-icon {
      transform: rotate(180deg);
      background: rgba(139, 47, 38, .12);
    }

    .faq-item.is-open .faq-icon::after {
      transform: rotate(0deg);
    }

    .final-cta {
      padding: 82px 0;
      background:
        linear-gradient(135deg, rgba(16,15,13,.95), rgba(31,23,17,.94)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      color: var(--text-light);
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
      padding: 38px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 248, 237, .13);
      background: rgba(255, 248, 237, .06);
      box-shadow: var(--shadow-deep);
    }

    .cta-box h2 {
      font-size: clamp(27px, 4vw, 42px);
      line-height: 1.2;
      letter-spacing: -.035em;
    }

    .cta-box p {
      margin-top: 12px;
      color: rgba(255, 248, 237, .68);
      max-width: 690px;
    }

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

    .site-footer {
      color: var(--text-light);
      background: #0d0c0b;
      border-top: 1px solid rgba(255, 248, 237, .08);
      padding: 54px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr;
      gap: 32px;
      align-items: start;
    }

    .footer-about p {
      margin-top: 16px;
      max-width: 420px;
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
    }

    .footer-title {
      color: rgba(255, 248, 237, .9);
      font-size: 15px;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
    }

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

    .footer-note {
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      margin-top: 38px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 248, 237, .08);
      color: rgba(255, 248, 237, .48);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 40px, var(--container));
      }

      .nav-links {
        position: fixed;
        top: calc(var(--nav-height) + 12px);
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 24px;
        background: rgba(16, 15, 13, .96);
        box-shadow: var(--shadow-deep);
      }

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

      .nav-links a {
        padding: 14px 16px;
      }

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

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

      .hero {
        min-height: auto;
      }

      .hero-board,
      .highlight-layout,
      .latest-layout,
      .contact-layout {
        grid-template-columns: 1fr;
      }

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

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

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

      .cta-box {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 768px) {
      :root {
        --nav-height: 70px;
      }

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

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

      .brand-text span {
        display: none;
      }

      .hero {
        padding-top: calc(var(--nav-height) + 54px);
        padding-bottom: 56px;
      }

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

      .hero-cta .btn {
        flex: 1 1 180px;
      }

      .today-focus,
      .today-focus img {
        min-height: 330px;
      }

      .focus-text {
        left: 18px;
        right: 18px;
        bottom: 20px;
      }

      .side-notes,
      .filmstrip-grid,
      .steps-grid,
      .proof-card,
      .faq-grid,
      .footer-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 62px 0;
      }

      .section-head {
        display: grid;
        gap: 14px;
      }

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

      .mini-image {
        height: 210px;
      }

      .latest-layout {
        gap: 16px;
      }

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

      .news-date {
        min-height: auto;
        justify-content: flex-start;
      }

      .contact-form {
        padding: 22px;
      }

      .field.full {
        grid-column: auto;
      }

      .footer-bottom {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .hero h1 {
        font-size: 36px;
      }

      .btn {
        width: 100%;
      }

      .hero-cta,
      .cta-actions {
        width: 100%;
      }

      .feature-body,
      .news-body,
      .contact-panel,
      .cta-box {
        padding: 22px;
      }

      .feature-image {
        height: 245px;
      }

      .news-cover {
        height: 220px;
      }

      .proof-item {
        padding: 22px;
      }

      .faq-question {
        padding: 18px;
      }

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

/* roulang page: article */
:root {
      --bg-ink: #100f0d;
      --bg-ink-2: #1b1714;
      --bg-panel: #231d18;
      --bg-cream: #f6f0e7;
      --bg-soft: #fffaf2;
      --bg-card: #ffffff;
      --text-main: #241d17;
      --text-muted: #746b62;
      --text-light: #fff8ed;
      --text-soft: #d8cabb;
      --brand: #f0a33a;
      --brand-2: #ffbf69;
      --red-brown: #8b2f26;
      --line: rgba(36, 29, 23, .12);
      --line-dark: rgba(255, 248, 237, .14);
      --shadow: 0 18px 50px rgba(25, 15, 6, .13);
      --shadow-deep: 0 24px 70px rgba(0, 0, 0, .35);
      --radius-sm: 14px;
      --radius-md: 22px;
      --radius-lg: 32px;
      --container: 1200px;
      --nav-height: 78px;
      --ease: cubic-bezier(.22, .61, .36, 1);
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      color: var(--text-main);
      background: var(--bg-cream);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
    }

    a:hover {
      color: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(240, 163, 58, .55);
      outline-offset: 3px;
    }

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

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

    button {
      border: 0;
      cursor: pointer;
    }

    .container {
      width: min(100% - 48px, var(--container));
      margin-inline: auto;
      padding: 0;
    }

    .site-header {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 50;
      height: var(--nav-height);
      color: var(--text-light);
      background: rgba(16, 15, 13, .74);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 248, 237, .08);
      transition: background .25s var(--ease), box-shadow .25s var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(16, 15, 13, .92);
      box-shadow: 0 12px 36px rgba(0, 0, 0, .22);
    }

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

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: .02em;
      color: var(--text-light);
    }

    .brand:hover {
      color: var(--text-light);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--brand), var(--brand-2));
      position: relative;
      box-shadow: 0 10px 28px rgba(240, 163, 58, .26);
      overflow: hidden;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 11px;
      border-radius: 5px;
      border: 2px solid rgba(33, 20, 9, .62);
    }

    .brand-mark::after {
      width: 0;
      height: 0;
      border-top: 7px solid transparent;
      border-bottom: 7px solid transparent;
      border-left: 10px solid rgba(33, 20, 9, .78);
      inset: 14px auto auto 17px;
      border-radius: 0;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.05;
    }

    .brand-text strong {
      font-size: 18px;
    }

    .brand-text span {
      margin-top: 5px;
      font-size: 12px;
      color: rgba(255, 248, 237, .66);
      font-weight: 500;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px;
      border: 1px solid rgba(255, 248, 237, .08);
      border-radius: 999px;
      background: rgba(255, 255, 255, .04);
    }

    .nav-links a {
      position: relative;
      padding: 10px 15px;
      border-radius: 999px;
      font-size: 14px;
      color: rgba(255, 248, 237, .76);
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text-light);
      background: rgba(255, 248, 237, .08);
    }

    .nav-links a.active {
      color: #1d140b;
      background: var(--brand);
      font-weight: 700;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 15px;
      background: rgba(255, 248, 237, .08);
      color: var(--text-light);
      border: 1px solid rgba(255, 248, 237, .12);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      margin: 5px auto;
      border-radius: 999px;
      transition: transform .25s var(--ease), opacity .25s var(--ease);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 44px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      line-height: 1;
      border: 1px solid transparent;
      transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);
      user-select: none;
    }

    .btn svg {
      width: 17px;
      height: 17px;
      flex: 0 0 auto;
    }

    .btn-primary {
      background: var(--brand);
      color: #241507;
      box-shadow: 0 12px 30px rgba(240, 163, 58, .22);
    }

    .btn-primary:hover,
    .btn-primary:active {
      background: var(--brand-2);
      color: #241507;
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(240, 163, 58, .28);
    }

    .btn-secondary {
      color: var(--text-light);
      background: rgba(255, 248, 237, .08);
      border-color: rgba(255, 248, 237, .18);
    }

    .btn-secondary:hover,
    .btn-secondary:active {
      color: var(--text-light);
      border-color: rgba(240, 163, 58, .56);
      background: rgba(240, 163, 58, .12);
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-main);
      border-color: rgba(36, 29, 23, .16);
    }

    .btn-ghost:hover {
      color: #1d140b;
      background: rgba(240, 163, 58, .14);
      border-color: rgba(240, 163, 58, .42);
      transform: translateY(-2px);
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      color: #6d3012;
      background: rgba(240, 163, 58, .16);
      border: 1px solid rgba(240, 163, 58, .28);
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
    }

    .badge-soft::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--brand);
      box-shadow: 0 0 0 4px rgba(240, 163, 58, .16);
    }

    .page-hero {
      position: relative;
      min-height: 540px;
      padding: calc(var(--nav-height) + 74px) 0 72px;
      color: var(--text-light);
      background:
        linear-gradient(115deg, rgba(16, 15, 13, .96), rgba(16, 15, 13, .74) 46%, rgba(139, 47, 38, .46)),
        url("/assets/images/backpic/back-2.jpg") center / cover no-repeat;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 18% 22%, rgba(240, 163, 58, .24), transparent 28%),
        radial-gradient(circle at 82% 12%, rgba(255, 191, 105, .18), transparent 24%),
        linear-gradient(90deg, rgba(255, 248, 237, .05) 1px, transparent 1px);
      background-size: auto, auto, 46px 46px;
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      left: -80px;
      bottom: -160px;
      width: 460px;
      height: 300px;
      border-radius: 50%;
      background: rgba(240, 163, 58, .14);
      filter: blur(28px);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 56px;
      align-items: end;
    }

    .crumbs {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      margin-bottom: 24px;
      color: rgba(255, 248, 237, .72);
      font-size: 14px;
    }

    .crumbs a {
      padding: 4px 0;
      color: rgba(255, 248, 237, .78);
      border-bottom: 1px solid transparent;
    }

    .crumbs a:hover {
      color: var(--brand-2);
      border-color: rgba(255, 191, 105, .7);
    }

    .crumbs span {
      color: rgba(255, 248, 237, .46);
    }

    .hero-title {
      margin: 18px 0 20px;
      max-width: 850px;
      font-size: clamp(34px, 5.4vw, 58px);
      line-height: 1.12;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    .hero-desc {
      max-width: 760px;
      margin: 0;
      color: rgba(255, 248, 237, .78);
      font-size: 17px;
      line-height: 1.9;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
      color: rgba(255, 248, 237, .72);
      font-size: 14px;
    }

    .meta-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 248, 237, .08);
      border: 1px solid rgba(255, 248, 237, .12);
    }

    .meta-pill svg {
      width: 15px;
      height: 15px;
      color: var(--brand-2);
    }

    .cover-panel {
      position: relative;
      border-radius: var(--radius-lg);
      padding: 12px;
      background: rgba(255, 248, 237, .08);
      border: 1px solid rgba(255, 248, 237, .16);
      box-shadow: var(--shadow-deep);
      overflow: hidden;
    }

    .cover-panel img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      border-radius: 24px;
      filter: saturate(.95) contrast(1.06);
    }

    .cover-panel .cover-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      padding: 14px 16px;
      border-radius: 18px;
      color: var(--text-light);
      background: rgba(16, 15, 13, .72);
      border: 1px solid rgba(255, 248, 237, .12);
      backdrop-filter: blur(12px);
      font-size: 13px;
    }

    main {
      position: relative;
      background:
        linear-gradient(180deg, rgba(246, 240, 231, .88), var(--bg-cream) 16%),
        radial-gradient(circle at 10% 20%, rgba(240, 163, 58, .14), transparent 26%);
    }

    .article-shell {
      padding: 76px 0 92px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 830px) minmax(280px, 1fr);
      gap: 34px;
      align-items: start;
    }

    .reader-card {
      position: relative;
      padding: clamp(24px, 4vw, 48px);
      border-radius: var(--radius-lg);
      background: var(--bg-soft);
      border: 1px solid rgba(36, 29, 23, .1);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .reader-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 7px;
      background: linear-gradient(90deg, var(--brand), var(--red-brown), rgba(240, 163, 58, .2));
    }

    .article-body {
      color: #2b231d;
      font-size: 17px;
      line-height: 1.9;
    }

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

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      color: #1f1711;
      font-weight: 900;
      letter-spacing: -.02em;
      line-height: 1.35;
    }

    .article-body h2 {
      margin: 42px 0 16px;
      padding-left: 16px;
      border-left: 5px solid var(--brand);
      font-size: clamp(25px, 3vw, 32px);
    }

    .article-body h3 {
      margin: 32px 0 12px;
      font-size: clamp(21px, 2.4vw, 25px);
    }

    .article-body h4 {
      margin: 26px 0 10px;
      font-size: 19px;
    }

    .article-body p {
      margin: 0 0 20px;
    }

    .article-body a {
      color: #7b3216;
      font-weight: 700;
      border-bottom: 1px solid rgba(123, 50, 22, .24);
    }

    .article-body a:hover {
      color: var(--red-brown);
      border-color: rgba(139, 47, 38, .58);
    }

    .article-body strong {
      color: #1d140b;
      font-weight: 800;
    }

    .article-body blockquote {
      margin: 28px 0;
      padding: 20px 22px;
      border-left: 5px solid var(--brand);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      background: rgba(240, 163, 58, .11);
      color: #4a3727;
    }

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

    .article-body li {
      margin: 8px 0;
      padding-left: 3px;
    }

    .article-body img {
      width: auto;
      max-width: 100%;
      margin: 30px auto;
      border-radius: 22px;
      box-shadow: 0 16px 38px rgba(25, 15, 6, .12);
    }

    .article-body figure {
      margin: 32px 0;
    }

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

    .article-body hr {
      margin: 34px 0;
      border: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(36, 29, 23, .18), transparent);
    }

    .article-body table {
      width: 100%;
      margin: 28px 0;
      border-collapse: collapse;
      min-width: 640px;
      background: #fff;
      border-radius: 18px;
      overflow: hidden;
    }

    .article-body th,
    .article-body td {
      padding: 14px 16px;
      border-bottom: 1px solid rgba(36, 29, 23, .1);
      text-align: left;
      vertical-align: top;
    }

    .article-body th {
      background: rgba(240, 163, 58, .14);
      color: #2a1a0c;
      font-weight: 800;
    }

    .article-body pre {
      margin: 28px 0;
      padding: 18px 20px;
      overflow: auto;
      border-radius: 18px;
      background: #1b1714;
      color: #fff4df;
      border: 1px solid rgba(255, 248, 237, .1);
      font-size: 14px;
      line-height: 1.7;
    }

    .article-body code {
      padding: 2px 6px;
      border-radius: 7px;
      background: rgba(36, 29, 23, .08);
      color: #7b3216;
      font-size: .92em;
    }

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

    .table-wrap {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    .empty-state {
      min-height: 320px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 38px 18px;
    }

    .empty-icon {
      width: 88px;
      height: 88px;
      margin: 0 auto 20px;
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(240, 163, 58, .24), rgba(139, 47, 38, .16)),
        var(--bg-card);
      border: 1px solid rgba(36, 29, 23, .1);
      position: relative;
    }

    .empty-icon::before {
      content: "";
      position: absolute;
      inset: 24px;
      border-radius: 8px;
      border: 3px solid rgba(36, 29, 23, .45);
    }

    .empty-icon::after {
      content: "";
      position: absolute;
      left: 40px;
      top: 34px;
      width: 0;
      height: 0;
      border-top: 9px solid transparent;
      border-bottom: 9px solid transparent;
      border-left: 13px solid rgba(36, 29, 23, .65);
    }

    .empty-state h2 {
      margin: 0 0 12px;
      font-size: 28px;
      font-weight: 900;
      color: var(--text-main);
    }

    .empty-state p {
      margin: 0 0 22px;
      color: var(--text-muted);
    }

    .article-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 34px;
      padding-top: 28px;
      border-top: 1px solid rgba(36, 29, 23, .1);
    }

    .notice-box {
      margin-top: 24px;
      padding: 18px 20px;
      border-radius: var(--radius-md);
      color: #5c4533;
      background: rgba(240, 163, 58, .12);
      border: 1px solid rgba(240, 163, 58, .24);
      font-size: 14px;
    }

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

    .side-card {
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid rgba(36, 29, 23, .1);
      box-shadow: 0 14px 42px rgba(25, 15, 6, .08);
      overflow: hidden;
    }

    .side-card.dark {
      color: var(--text-light);
      background:
        linear-gradient(145deg, rgba(35, 29, 24, .96), rgba(16, 15, 13, .96)),
        url("/assets/images/backpic/back-3.jpg") center / cover no-repeat;
      border-color: rgba(255, 248, 237, .1);
    }

    .side-card-inner {
      padding: 24px;
    }

    .side-title {
      margin: 0 0 16px;
      font-size: 19px;
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .side-card.dark .side-title {
      color: var(--text-light);
    }

    .read-info {
      display: grid;
      gap: 12px;
      margin: 0;
    }

    .read-info div {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(36, 29, 23, .1);
      font-size: 14px;
    }

    .read-info div:last-child {
      padding-bottom: 0;
      border-bottom: 0;
    }

    .read-info dt {
      color: var(--text-muted);
      font-weight: 600;
    }

    .read-info dd {
      margin: 0;
      color: var(--text-main);
      font-weight: 800;
      text-align: right;
    }

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

    .toc-list a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 11px 12px;
      border-radius: 14px;
      color: rgba(255, 248, 237, .76);
      background: rgba(255, 248, 237, .06);
      border: 1px solid rgba(255, 248, 237, .08);
      font-size: 14px;
    }

    .toc-list a::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--brand);
      flex: 0 0 auto;
    }

    .toc-list a:hover {
      color: var(--text-light);
      border-color: rgba(240, 163, 58, .42);
      background: rgba(240, 163, 58, .1);
      transform: translateX(2px);
    }

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

    .recommend-item a {
      display: block;
      padding: 15px;
      border-radius: 18px;
      background: rgba(246, 240, 231, .68);
      border: 1px solid rgba(36, 29, 23, .08);
    }

    .recommend-item a:hover {
      background: rgba(240, 163, 58, .12);
      border-color: rgba(240, 163, 58, .28);
      transform: translateY(-2px);
    }

    .recommend-item strong {
      display: -webkit-box;
      margin-bottom: 8px;
      color: var(--text-main);
      font-size: 15px;
      line-height: 1.45;
      font-weight: 900;
      overflow: hidden;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }

    .recommend-item span {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-muted);
      font-size: 12px;
    }

    .mini-cover {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: var(--bg-panel);
    }

    .mini-cover img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      transition: transform .35s var(--ease);
    }

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

    .mini-cover-text {
      position: absolute;
      inset: auto 16px 16px;
      padding: 14px 15px;
      border-radius: 17px;
      color: var(--text-light);
      background: rgba(16, 15, 13, .72);
      border: 1px solid rgba(255, 248, 237, .12);
      backdrop-filter: blur(10px);
    }

    .mini-cover-text strong {
      display: block;
      margin-bottom: 4px;
      font-size: 16px;
    }

    .mini-cover-text span {
      color: rgba(255, 248, 237, .68);
      font-size: 13px;
    }

    .section {
      padding: 86px 0;
    }

    .section.alt {
      background: var(--bg-soft);
      border-top: 1px solid rgba(36, 29, 23, .08);
      border-bottom: 1px solid rgba(36, 29, 23, .08);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-kicker {
      margin: 0 0 10px;
      color: #8a3e19;
      font-size: 14px;
      font-weight: 900;
      letter-spacing: .08em;
    }

    .section-title {
      margin: 0;
      color: var(--text-main);
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .section-desc {
      max-width: 520px;
      margin: 0;
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .guide-card {
      position: relative;
      min-height: 214px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid rgba(36, 29, 23, .1);
      box-shadow: 0 14px 42px rgba(25, 15, 6, .07);
      overflow: hidden;
      transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
    }

    .guide-card:hover {
      transform: translateY(-5px);
      border-color: rgba(240, 163, 58, .36);
      box-shadow: 0 20px 54px rgba(25, 15, 6, .12);
    }

    .guide-card::after {
      content: attr(data-step);
      position: absolute;
      right: 18px;
      top: 10px;
      color: rgba(36, 29, 23, .06);
      font-size: 76px;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.08em;
    }

    .guide-card h3 {
      position: relative;
      z-index: 1;
      margin: 16px 0 10px;
      font-size: 21px;
      font-weight: 900;
    }

    .guide-card p {
      position: relative;
      z-index: 1;
      margin: 0;
      color: var(--text-muted);
      font-size: 15px;
    }

    .guide-icon {
      position: relative;
      z-index: 1;
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: rgba(240, 163, 58, .16);
      color: #7b3216;
    }

    .guide-icon svg {
      width: 22px;
      height: 22px;
    }

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

    .faq-item {
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid rgba(36, 29, 23, .1);
      box-shadow: 0 12px 34px rgba(25, 15, 6, .06);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      color: var(--text-main);
      background: transparent;
      text-align: left;
      font-weight: 900;
    }

    .faq-question::after {
      content: "+";
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(240, 163, 58, .16);
      color: #7b3216;
      font-size: 20px;
      line-height: 1;
      flex: 0 0 auto;
      transition: transform .25s var(--ease), background .25s var(--ease);
    }

    .faq-item.is-open .faq-question::after {
      content: "−";
      background: var(--brand);
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--text-muted);
      font-size: 15px;
    }

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

    .contact-band {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      padding: clamp(28px, 5vw, 48px);
      color: var(--text-light);
      background:
        linear-gradient(120deg, rgba(16, 15, 13, .96), rgba(35, 29, 24, .9), rgba(139, 47, 38, .58)),
        url("/assets/images/backpic/back-1.jpg") center / cover no-repeat;
      box-shadow: var(--shadow-deep);
    }

    .contact-band::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 18% 18%, rgba(240, 163, 58, .24), transparent 30%);
      pointer-events: none;
    }

    .contact-band-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 30px;
      align-items: center;
    }

    .contact-band h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .contact-band p {
      max-width: 660px;
      margin: 0;
      color: rgba(255, 248, 237, .74);
      font-size: 16px;
    }

    .contact-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: rgba(255, 248, 237, .09);
      border: 1px solid rgba(255, 248, 237, .16);
      backdrop-filter: blur(12px);
    }

    .contact-card label {
      display: block;
      margin-bottom: 8px;
      color: rgba(255, 248, 237, .78);
      font-size: 13px;
      font-weight: 700;
    }

    .contact-card input,
    .contact-card textarea {
      width: 100%;
      border: 1px solid rgba(255, 248, 237, .14);
      border-radius: 15px;
      padding: 12px 14px;
      color: var(--text-light);
      background: rgba(16, 15, 13, .42);
      outline: none;
      transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
    }

    .contact-card input::placeholder,
    .contact-card textarea::placeholder {
      color: rgba(255, 248, 237, .42);
    }

    .contact-card input:focus,
    .contact-card textarea:focus {
      border-color: rgba(240, 163, 58, .62);
      background: rgba(16, 15, 13, .56);
      box-shadow: 0 0 0 4px rgba(240, 163, 58, .12);
    }

    .form-row {
      margin-bottom: 14px;
    }

    .form-hint {
      margin: 10px 0 0;
      color: rgba(255, 248, 237, .58);
      font-size: 12px;
    }

    .site-footer {
      padding: 62px 0 28px;
      color: var(--text-soft);
      background: var(--bg-ink);
      border-top: 1px solid rgba(255, 248, 237, .08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr 1fr;
      gap: 38px;
      align-items: start;
    }

    .footer-about p {
      max-width: 430px;
      margin: 18px 0 0;
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
      line-height: 1.9;
    }

    .footer-title {
      margin: 0 0 15px;
      color: var(--text-light);
      font-size: 16px;
      font-weight: 900;
    }

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

    .footer-links a {
      width: fit-content;
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
    }

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

    .footer-note {
      margin: 0;
      color: rgba(255, 248, 237, .62);
      font-size: 14px;
      line-height: 1.9;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 248, 237, .1);
      color: rgba(255, 248, 237, .5);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 72px;
      }

      .nav-links {
        gap: 2px;
      }

      .nav-links a {
        padding: 9px 11px;
      }

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

      .hero-inner,
      .article-layout,
      .contact-band-inner {
        grid-template-columns: 1fr;
      }

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

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

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

      .side-card.dark,
      .side-card.reading {
        grid-column: 1 / -1;
      }

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

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

      .site-header {
        height: var(--nav-height);
      }

      .brand-text span {
        display: none;
      }

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

      .nav-links {
        position: fixed;
        top: calc(var(--nav-height) + 10px);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 24px;
        background: rgba(16, 15, 13, .96);
        border: 1px solid rgba(255, 248, 237, .12);
        box-shadow: var(--shadow-deep);
      }

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

      .nav-links a {
        padding: 14px 16px;
        text-align: center;
      }

      .page-hero {
        min-height: auto;
        padding: calc(var(--nav-height) + 54px) 0 56px;
      }

      .hero-title {
        font-size: clamp(32px, 8vw, 42px);
      }

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

      .article-shell {
        padding: 52px 0 64px;
      }

      .reader-card {
        border-radius: 26px;
      }

      .article-body {
        font-size: 16px;
        line-height: 1.86;
      }

      .side-stack,
      .guide-grid,
      .faq-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

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

    @media (max-width: 520px) {
      :root {
        --nav-height: 68px;
      }

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

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .brand-text strong {
        font-size: 17px;
      }

      .crumbs {
        font-size: 13px;
      }

      .article-meta {
        gap: 8px;
      }

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

      .cover-panel .cover-caption {
        position: static;
        margin-top: 12px;
      }

      .article-actions,
      .contact-card .btn,
      .contact-band .btn {
        width: 100%;
      }

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

      .guide-card {
        min-height: auto;
      }

      .contact-card {
        padding: 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}