/* roulang page: index */
:root {
      --bg: #121014;
      --bg-2: #1B171F;
      --bg-3: #241C25;
      --panel: rgba(36, 28, 37, .86);
      --panel-strong: #2C222D;
      --primary: #9B557F;
      --primary-2: #8F4C76;
      --accent: #D6A35D;
      --safe: #7A2E36;
      --text: #EDE7EA;
      --muted: #B8AEB5;
      --weak: #7F747C;
      --light: #F6F0F2;
      --light-text: #251C22;
      --border: rgba(255,255,255,.10);
      --line: rgba(255,255,255,.08);
      --shadow: 0 24px 70px rgba(0,0,0,.34);
      --shadow-soft: 0 14px 36px rgba(0,0,0,.24);
      --radius-lg: 28px;
      --radius: 22px;
      --radius-sm: 14px;
      --container: 1200px;
      --nav-height: 76px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(155,85,127,.22), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(214,163,93,.12), transparent 24%),
        linear-gradient(180deg, #121014 0%, #171219 52%, #110F13 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

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

    button {
      cursor: pointer;
      border: 0;
    }

    ::selection {
      background: rgba(214,163,93,.35);
      color: #fff;
    }

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 4px;
      box-shadow: 0 0 0 5px rgba(214,163,93,.12);
    }

    .container {
      width: min(var(--container), calc(100% - 44px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(16px);
      background: rgba(18,16,20,.86);
      border-bottom: 1px solid var(--border);
    }

    .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;
      min-width: 0;
      font-weight: 800;
      letter-spacing: -.02em;
      color: #fff;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(135deg, rgba(214,163,93,.95), rgba(155,85,127,.92)),
        radial-gradient(circle at 70% 30%, rgba(255,255,255,.22), transparent 36%);
      box-shadow: 0 10px 26px rgba(155,85,127,.32);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      background: rgba(255,255,255,.58);
      border-radius: 999px;
    }

    .brand-mark::before {
      width: 16px;
      height: 2px;
      transform: rotate(90deg);
    }

    .brand-mark::after {
      width: 15px;
      height: 15px;
      border: 2px solid rgba(255,255,255,.68);
      background: transparent;
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .main-nav a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      padding: 10px 13px;
      border-radius: 999px;
      border: 1px solid transparent;
    }

    .main-nav a:hover,
    .main-nav a.active {
      color: #fff;
      background: rgba(255,255,255,.07);
      border-color: var(--border);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 16px;
      border-radius: 999px;
      background: rgba(214,163,93,.12);
      color: #FFE2B5;
      border: 1px solid rgba(214,163,93,.25);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-action:hover {
      background: rgba(214,163,93,.18);
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--border);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 999px;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-open .menu-toggle span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .mobile-open .menu-toggle span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .hero {
      position: relative;
      min-height: calc(100vh - var(--nav-height));
      padding: 88px 0 46px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(18,16,20,.96) 0%, rgba(18,16,20,.88) 42%, rgba(18,16,20,.68) 100%),
        linear-gradient(180deg, rgba(18,16,20,.20), rgba(18,16,20,.92)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      opacity: .95;
      z-index: -3;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 54px 54px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.8), transparent 86%);
      z-index: -2;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 7fr) minmax(340px, 5fr);
      gap: 44px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      margin-bottom: 20px;
      padding: 8px 13px;
      border-radius: 999px;
      color: #FFE7BD;
      background: rgba(122,46,54,.35);
      border: 1px solid rgba(214,163,93,.24);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .01em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(214,163,93,.12);
    }

    h1 {
      max-width: 780px;
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.13;
      letter-spacing: -.045em;
      font-weight: 850;
      color: #fff;
    }

    .hero-lead {
      max-width: 720px;
      margin-top: 22px;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.9;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 13px 22px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 750;
      line-height: 1;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 16px 36px rgba(155,85,127,.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #AB628E, #9B557F);
      box-shadow: 0 20px 46px rgba(155,85,127,.36);
    }

    .btn-secondary {
      color: var(--text);
      border: 1px solid var(--border);
      background: rgba(255,255,255,.055);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,.09);
      border-color: rgba(255,255,255,.18);
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
      color: var(--weak);
      font-size: 14px;
    }

    .hero-note span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 11px;
      border-radius: 999px;
      background: rgba(255,255,255,.045);
      border: 1px solid var(--line);
    }

    .hero-note span::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--accent);
    }

    .preview-panel {
      position: relative;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(36,28,37,.92), rgba(27,23,31,.86)),
        radial-gradient(circle at 90% 0%, rgba(214,163,93,.18), transparent 32%);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .preview-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 18px);
      opacity: .18;
      pointer-events: none;
    }

    .preview-head {
      position: relative;
      padding: 26px 26px 18px;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 1px solid var(--line);
    }

    .preview-head h2 {
      font-size: 22px;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .status-pill {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #221913;
      background: var(--accent);
      padding: 7px 10px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
    }

    .status-pill::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #4B2614;
    }

    .preview-list {
      position: relative;
      padding: 8px 18px 20px;
    }

    .preview-item {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      padding: 17px 8px;
      border-bottom: 1px solid var(--line);
    }

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

    .preview-index {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #FFE4B8;
      background: rgba(214,163,93,.10);
      border: 1px solid rgba(214,163,93,.20);
      font-weight: 850;
    }

    .preview-item h3 {
      font-size: 16px;
      line-height: 1.45;
      margin-bottom: 5px;
    }

    .preview-item p {
      color: var(--weak);
      font-size: 14px;
      line-height: 1.65;
    }

    .preview-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 9px;
      font-size: 12px;
      color: var(--muted);
    }

    .section {
      padding: 86px 0;
      position: relative;
    }

    .section.compact {
      padding: 54px 0;
    }

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

    .section-title {
      max-width: 760px;
    }

    .section-title .kicker {
      display: inline-flex;
      width: fit-content;
      margin-bottom: 12px;
      padding: 7px 11px;
      border-radius: 999px;
      color: #FFE0AE;
      background: rgba(214,163,93,.10);
      border: 1px solid rgba(214,163,93,.18);
      font-size: 13px;
      font-weight: 750;
    }

    h2 {
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.22;
      letter-spacing: -.035em;
      color: #fff;
      font-weight: 820;
    }

    .section-desc {
      max-width: 650px;
      margin-top: 13px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }

    .notice-strip {
      margin-top: -4px;
      padding: 18px;
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(122,46,54,.42), rgba(36,28,37,.84)),
        radial-gradient(circle at 10% 0%, rgba(214,163,93,.16), transparent 34%);
      border: 1px solid rgba(214,163,93,.16);
      box-shadow: var(--shadow-soft);
    }

    .notice-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr 1fr 1fr;
      gap: 12px;
    }

    .notice-card {
      min-height: 112px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(18,16,20,.38);
      border: 1px solid var(--line);
    }

    .notice-icon {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      margin-bottom: 12px;
      display: grid;
      place-items: center;
      background: rgba(214,163,93,.12);
      color: #F2C989;
      border: 1px solid rgba(214,163,93,.18);
      font-weight: 900;
    }

    .notice-card strong {
      display: block;
      margin-bottom: 6px;
      color: #fff;
      font-size: 16px;
    }

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

    .guide-layout {
      display: grid;
      grid-template-columns: minmax(0, 4.4fr) minmax(0, 7.6fr);
      gap: 40px;
      align-items: start;
    }

    .guide-copy {
      position: sticky;
      top: 104px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(36,28,37,.82), rgba(27,23,31,.82)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      background-blend-mode: multiply;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .guide-copy::after {
      content: "";
      position: absolute;
      inset: auto -10% -30% 20%;
      height: 180px;
      background: radial-gradient(circle, rgba(155,85,127,.32), transparent 65%);
      pointer-events: none;
    }

    .guide-copy p {
      margin-top: 15px;
      color: var(--muted);
    }

    .guide-copy .btn {
      margin-top: 24px;
    }

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

    .step-row {
      display: grid;
      grid-template-columns: 76px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(36,28,37,.78);
      border: 1px solid var(--border);
      box-shadow: 0 12px 28px rgba(0,0,0,.16);
      transition: transform var(--ease), border-color var(--ease), background var(--ease);
    }

    .step-row:hover {
      transform: translateX(4px);
      border-color: rgba(214,163,93,.25);
      background: rgba(44,34,45,.88);
    }

    .step-num {
      width: 58px;
      height: 58px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #2A1A10;
      background: linear-gradient(135deg, #E6B96F, #C8914B);
      font-weight: 900;
      letter-spacing: -.04em;
    }

    .step-row h3 {
      color: #fff;
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 5px;
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      padding: 7px 10px;
      border-radius: 999px;
      color: #F6D39C;
      background: rgba(214,163,93,.10);
      border: 1px solid rgba(214,163,93,.16);
      font-size: 12px;
      font-weight: 750;
      white-space: nowrap;
    }

    .updates {
      background:
        linear-gradient(180deg, rgba(18,16,20,.0), rgba(36,28,37,.42) 45%, rgba(18,16,20,.0)),
        radial-gradient(circle at 82% 18%, rgba(155,85,127,.18), transparent 30%);
    }

    .updates-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
      gap: 22px;
      align-items: start;
    }

    .feature-card,
    .post-card,
    .empty-state {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: rgba(36,28,37,.78);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .feature-card {
      min-height: 100%;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .feature-card:hover,
    .post-card:hover {
      transform: translateY(-3px);
      border-color: rgba(214,163,93,.24);
      box-shadow: var(--shadow);
    }

    .card-media {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(155,85,127,.24), rgba(214,163,93,.14));
    }

    .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.86) contrast(.96) brightness(.72);
      transform: scale(1.01);
      transition: transform 420ms ease, filter 420ms ease;
    }

    .feature-card:hover .card-media img,
    .post-card:hover .card-media img {
      transform: scale(1.055);
      filter: saturate(.92) contrast(1) brightness(.78);
    }

    .card-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(18,16,20,.78));
      pointer-events: none;
    }

    .card-body {
      padding: 25px;
    }

    .meta-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 12px;
      color: var(--weak);
      font-size: 13px;
    }

    .meta-line time {
      color: var(--muted);
    }

    .feature-card h3 {
      font-size: clamp(22px, 2.5vw, 30px);
      line-height: 1.32;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .post-card h3 {
      font-size: 19px;
      line-height: 1.4;
      margin-bottom: 8px;
    }

    .feature-card p,
    .post-card p {
      color: var(--muted);
      line-height: 1.75;
    }

    .read-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      color: #F0C27F;
      font-weight: 800;
      font-size: 14px;
    }

    .read-link:hover {
      color: #FFE0AE;
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
    }

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

    .post-card {
      display: grid;
      grid-template-columns: 142px 1fr;
      border-radius: 22px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .post-card .card-media {
      height: 100%;
      min-height: 164px;
      aspect-ratio: auto;
    }

    .post-card .card-body {
      padding: 20px;
    }

    .empty-state {
      grid-column: 1 / -1;
      padding: 44px 26px;
      text-align: center;
      background:
        radial-gradient(circle at 50% 0%, rgba(214,163,93,.14), transparent 28%),
        rgba(36,28,37,.78);
    }

    .empty-icon {
      width: 68px;
      height: 68px;
      margin: 0 auto 18px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      background: rgba(214,163,93,.10);
      border: 1px solid rgba(214,163,93,.18);
      color: #F4CB88;
      font-size: 28px;
      font-weight: 900;
    }

    .empty-state p {
      color: var(--muted);
      margin-top: 8px;
    }

    .standards {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      counter-reset: standard;
    }

    .standard-card {
      position: relative;
      padding: 25px;
      min-height: 230px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(36,28,37,.86), rgba(27,23,31,.78));
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .standard-card::before {
      counter-increment: standard;
      content: "0" counter(standard);
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 28px;
      border-radius: 15px;
      background: rgba(214,163,93,.12);
      color: #F4CB88;
      border: 1px solid rgba(214,163,93,.18);
      font-weight: 900;
    }

    .standard-card::after {
      content: "";
      position: absolute;
      right: -44px;
      bottom: -44px;
      width: 122px;
      height: 122px;
      border-radius: 38px;
      border: 1px solid rgba(255,255,255,.06);
      transform: rotate(18deg);
    }

    .standard-card h3 {
      font-size: 19px;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .standard-card p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .evidence-band {
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(246,240,242,.94), rgba(233,222,228,.96)),
        radial-gradient(circle at 100% 0%, rgba(155,85,127,.18), transparent 30%);
      color: var(--light-text);
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 26px;
      align-items: center;
      box-shadow: var(--shadow-soft);
    }

    .evidence-band h2 {
      color: var(--light-text);
    }

    .evidence-band p {
      margin-top: 12px;
      color: rgba(37,28,34,.72);
    }

    .evidence-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .evidence-point {
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(37,28,34,.10);
    }

    .evidence-point strong {
      display: block;
      font-size: 26px;
      line-height: 1;
      color: var(--safe);
      margin-bottom: 8px;
    }

    .evidence-point span {
      color: rgba(37,28,34,.68);
      font-size: 14px;
      line-height: 1.55;
    }

    .faq-section {
      background: var(--light);
      color: var(--light-text);
    }

    .faq-section h2 {
      color: var(--light-text);
    }

    .faq-section .section-desc {
      color: rgba(37,28,34,.72);
    }

    .faq-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .faq-item {
      border-radius: 20px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(37,28,34,.10);
      overflow: hidden;
      transition: box-shadow var(--ease), transform var(--ease);
    }

    .faq-item:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(37,28,34,.10);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: var(--light-text);
      background: transparent;
      text-align: left;
      font-weight: 800;
    }

    .faq-question span {
      flex: 1;
    }

    .faq-toggle {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: rgba(37,28,34,.74);
      line-height: 1.85;
    }

    .faq-item.active {
      background: #fff;
    }

    .faq-item.active .faq-toggle {
      transform: rotate(45deg);
      background: var(--safe);
    }

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

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 420px;
      gap: 30px;
      padding: 34px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(122,46,54,.36), rgba(36,28,37,.92)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      background-blend-mode: multiply;
      border: 1px solid rgba(214,163,93,.18);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .cta-copy p {
      margin-top: 14px;
      color: var(--muted);
      max-width: 620px;
    }

    .cta-mini {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .feedback-form {
      display: grid;
      gap: 12px;
      padding: 20px;
      border-radius: 22px;
      background: rgba(18,16,20,.54);
      border: 1px solid var(--border);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: rgba(255,255,255,.065);
      color: var(--text);
      padding: 12px 13px;
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .field textarea {
      min-height: 104px;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(184,174,181,.66);
    }

    .field input:hover,
    .field select:hover,
    .field textarea:hover {
      background: rgba(255,255,255,.09);
    }

    .field input:focus,
    .field select:focus,
    .field textarea:focus {
      outline: 0;
      border-color: rgba(214,163,93,.72);
      box-shadow: 0 0 0 4px rgba(214,163,93,.12);
    }

    .field select option {
      color: #221920;
      background: #fff;
    }

    .site-footer {
      padding: 54px 0 28px;
      background:
        linear-gradient(180deg, rgba(18,16,20,.6), #0E0C10),
        radial-gradient(circle at 18% 0%, rgba(155,85,127,.18), transparent 25%);
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr .8fr;
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      margin-bottom: 15px;
    }

    .footer-about {
      color: var(--muted);
      max-width: 520px;
      line-height: 1.8;
    }

    .footer-col h3 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a,
    .footer-links span {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #F2C989;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .hero {
        padding-top: 64px;
      }

      .hero-grid,
      .guide-layout,
      .updates-layout,
      .evidence-band,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .guide-copy {
        position: relative;
        top: auto;
      }

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

      .cta-panel {
        gap: 24px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --nav-height: 68px;
      }

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

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

      .main-nav {
        position: fixed;
        top: var(--nav-height);
        left: 16px;
        right: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        background: rgba(27,23,31,.98);
        border: 1px solid var(--border);
        border-radius: 20px;
        box-shadow: var(--shadow);
      }

      .mobile-open .main-nav {
        display: flex;
      }

      .main-nav a {
        padding: 13px 14px;
      }

      .nav-action {
        display: none;
      }

      .hero {
        min-height: auto;
        padding: 48px 0 34px;
      }

      .hero-grid {
        gap: 28px;
      }

      .hero-lead {
        font-size: 16px;
        line-height: 1.8;
      }

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

      .preview-head,
      .card-body,
      .guide-copy,
      .cta-panel {
        padding: 22px;
      }

      .section {
        padding: 62px 0;
      }

      .section-head {
        display: block;
      }

      .notice-grid,
      .standards,
      .faq-list,
      .evidence-points,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .step-row {
        grid-template-columns: 58px 1fr;
      }

      .step-row .tag {
        grid-column: 2;
        justify-self: start;
      }

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

      .post-card .card-media {
        min-height: auto;
        aspect-ratio: 16 / 9;
      }

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

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

      .brand-text {
        max-width: 218px;
        font-size: 15px;
      }

      h1 {
        font-size: 32px;
      }

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

      .btn {
        width: 100%;
      }

      .preview-item {
        grid-template-columns: 42px 1fr;
      }

      .preview-index {
        width: 42px;
        height: 42px;
        border-radius: 14px;
      }

      .notice-card,
      .standard-card {
        min-height: auto;
      }

      .cta-mini {
        flex-direction: column;
      }

      .copyright {
        display: block;
      }

      .copyright span + span {
        display: block;
        margin-top: 8px;
      }
    }

/* roulang page: article */
:root {
      --bg: #121014;
      --bg-2: #1B171F;
      --bg-3: #241C25;
      --panel: rgba(36, 28, 37, .86);
      --panel-strong: #2C222D;
      --primary: #9B557F;
      --primary-2: #8F4C76;
      --accent: #D6A35D;
      --safe: #7A2E36;
      --text: #EDE7EA;
      --muted: #B8AEB5;
      --weak: #7F747C;
      --light: #F6F0F2;
      --light-text: #251C22;
      --border: rgba(255,255,255,.10);
      --line: rgba(255,255,255,.08);
      --shadow: 0 24px 70px rgba(0,0,0,.34);
      --shadow-soft: 0 14px 36px rgba(0,0,0,.24);
      --radius-lg: 28px;
      --radius: 22px;
      --radius-sm: 14px;
      --container: 1200px;
      --nav-height: 76px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(155,85,127,.22), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(214,163,93,.12), transparent 24%),
        linear-gradient(180deg, #121014 0%, #171219 52%, #110F13 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

    a:hover {
      color: #FFE2B5;
    }

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

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

    button {
      cursor: pointer;
      border: 0;
    }

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(var(--container), calc(100% - 44px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(16px);
      background: rgba(18,16,20,.86);
      border-bottom: 1px solid var(--border);
    }

    .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;
      min-width: 0;
      font-weight: 800;
      letter-spacing: -.02em;
      color: #fff;
    }

    .brand:hover {
      color: #fff;
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background:
        linear-gradient(135deg, rgba(214,163,93,.95), rgba(155,85,127,.92)),
        radial-gradient(circle at 70% 30%, rgba(255,255,255,.22), transparent 36%);
      box-shadow: 0 10px 26px rgba(155,85,127,.32);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      background: rgba(255,255,255,.58);
      border-radius: 999px;
    }

    .brand-mark::before {
      width: 16px;
      height: 2px;
      transform: rotate(90deg);
    }

    .brand-mark::after {
      width: 15px;
      height: 15px;
      border: 2px solid rgba(255,255,255,.68);
      background: transparent;
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .main-nav a {
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
      padding: 10px 13px;
      border-radius: 999px;
      border: 1px solid transparent;
    }

    .main-nav a:hover,
    .main-nav a.active {
      color: #fff;
      background: rgba(255,255,255,.07);
      border-color: var(--border);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 16px;
      border-radius: 999px;
      background: rgba(214,163,93,.12);
      color: #FFE2B5;
      border: 1px solid rgba(214,163,93,.25);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-action:hover {
      background: rgba(214,163,93,.18);
      transform: translateY(-1px);
      color: #fff;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: var(--text);
      background: rgba(255,255,255,.06);
      border: 1px solid var(--border);
    }

    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 999px;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-open .menu-toggle span:nth-child(1) {
      transform: translateY(6px) rotate(45deg);
    }

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

    .mobile-open .menu-toggle span:nth-child(3) {
      transform: translateY(-6px) rotate(-45deg);
    }

    .article-hero {
      position: relative;
      padding: 54px 0 42px;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(18,16,20,.84), rgba(18,16,20,.96)),
        linear-gradient(90deg, rgba(155,85,127,.18), rgba(214,163,93,.08)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index: -2;
    }

    .article-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 50px 50px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 90%);
      z-index: -1;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin: 0 0 28px;
      color: var(--weak);
      font-size: 13px;
    }

    .breadcrumb a {
      color: var(--muted);
      border-bottom: 1px solid transparent;
    }

    .breadcrumb a:hover {
      color: var(--accent);
      border-bottom-color: rgba(214,163,93,.55);
    }

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

    .article-head {
      width: min(920px, 100%);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      width: fit-content;
      margin-bottom: 18px;
      padding: 8px 13px;
      border-radius: 999px;
      color: #FFE7BD;
      background: rgba(122,46,54,.35);
      border: 1px solid rgba(214,163,93,.24);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .01em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(214,163,93,.12);
    }

    h1 {
      margin: 0;
      font-size: clamp(31px, 5vw, 54px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 800;
      color: #fff;
      max-width: 920px;
    }

    .article-summary {
      max-width: 860px;
      margin: 20px 0 0;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      color: var(--muted);
      font-size: 13px;
    }

    .meta-pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid var(--border);
      color: var(--muted);
      font-weight: 650;
    }

    .tag {
      background: rgba(155,85,127,.18);
      color: #F6D8EA;
      border-color: rgba(155,85,127,.35);
    }

    .article-shell {
      padding: 64px 0 84px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 820px) minmax(260px, 320px);
      gap: 34px;
      align-items: start;
    }

    .content-card {
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: rgba(27,23,31,.84);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .cover-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 8;
      background: var(--bg-3);
      border-bottom: 1px solid var(--line);
    }

    .cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.86) contrast(1.05);
      transform: scale(1.01);
    }

    .cover-wrap::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(18,16,20,.14), rgba(18,16,20,.76)),
        radial-gradient(circle at 20% 20%, rgba(214,163,93,.18), transparent 34%);
    }

    .cover-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 20px;
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 14px;
      font-weight: 700;
    }

    .article-body {
      padding: 38px 42px 44px;
      color: #EFE8EC;
      font-size: 17px;
      line-height: 1.9;
      word-break: break-word;
    }

    .article-body p {
      margin: 0 0 1.05em;
    }

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      color: #fff;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .article-body h2 {
      margin: 2.1em 0 .8em;
      font-size: 29px;
      font-weight: 800;
    }

    .article-body h3 {
      margin: 1.8em 0 .7em;
      font-size: 23px;
      font-weight: 760;
    }

    .article-body h4 {
      margin: 1.5em 0 .6em;
      font-size: 19px;
      font-weight: 720;
    }

    .article-body a {
      color: #FFE0A8;
      border-bottom: 1px solid rgba(214,163,93,.45);
    }

    .article-body a:hover {
      color: #fff;
      border-bottom-color: #fff;
    }

    .article-body blockquote {
      margin: 1.6em 0;
      padding: 18px 20px;
      border-left: 4px solid var(--accent);
      background: rgba(214,163,93,.08);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: #F4E5D4;
    }

    .article-body ul,
    .article-body ol {
      margin: 1em 0 1.25em;
      padding-left: 1.35em;
    }

    .article-body li {
      margin: .35em 0;
    }

    .article-body img {
      margin: 1.5em auto .6em;
      border-radius: 18px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

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

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

    .article-body table {
      width: 100%;
      margin: 1.5em 0;
      border-collapse: collapse;
      border: 1px solid var(--border);
      border-radius: 14px;
      overflow: hidden;
      display: block;
      max-width: 100%;
      overflow-x: auto;
    }

    .article-body th,
    .article-body td {
      min-width: 120px;
      padding: 12px 14px;
      border-bottom: 1px solid var(--line);
      color: var(--text);
    }

    .article-body th {
      background: rgba(255,255,255,.07);
      color: #fff;
      font-weight: 750;
    }

    .not-found {
      padding: 44px;
      text-align: center;
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      border: 1px dashed rgba(255,255,255,.18);
    }

    .not-found h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 28px;
      font-weight: 800;
    }

    .not-found p {
      margin: 0 0 22px;
      color: var(--muted);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 760;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }

    .btn-primary-custom {
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      box-shadow: 0 14px 34px rgba(155,85,127,.28);
      border: 1px solid rgba(255,255,255,.12);
    }

    .btn-primary-custom:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(155,85,127,.38);
    }

    .btn-ghost {
      color: var(--text);
      background: rgba(255,255,255,.05);
      border: 1px solid var(--border);
    }

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255,255,255,.09);
      border-color: rgba(255,255,255,.18);
      transform: translateY(-2px);
    }

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

    .side-card {
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(36,28,37,.78);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 13px;
      color: #fff;
      font-size: 18px;
      font-weight: 800;
    }

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

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

    .notice-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .notice-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      flex: 0 0 8px;
      margin-top: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(214,163,93,.10);
    }

    .mini-links {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .mini-links a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 10px;
      padding: 12px 13px;
      border-radius: 14px;
      background: rgba(255,255,255,.045);
      border: 1px solid var(--border);
      color: var(--text);
      font-size: 14px;
      font-weight: 700;
    }

    .mini-links a:hover {
      background: rgba(255,255,255,.08);
      border-color: rgba(214,163,93,.28);
      color: #FFE0A8;
      transform: translateY(-1px);
    }

    .section {
      padding: 76px 0;
      border-top: 1px solid var(--line);
    }

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

    .section-title {
      margin: 0;
      color: #fff;
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: -.03em;
    }

    .section-desc {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 680px;
      font-size: 16px;
      line-height: 1.85;
    }

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

    .related-card {
      min-height: 100%;
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(36,28,37,.78);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-soft);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(214,163,93,.28);
      background: rgba(45,34,47,.86);
      box-shadow: var(--shadow);
    }

    .related-card .tag {
      margin-bottom: 14px;
      font-size: 12px;
      padding: 6px 10px;
    }

    .related-card h3 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 20px;
      line-height: 1.45;
      font-weight: 800;
    }

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

    .related-card .card-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--weak);
      font-size: 13px;
      border-top: 1px solid var(--line);
      padding-top: 14px;
    }

    .guide-panel {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.25fr);
      gap: 22px;
      align-items: stretch;
    }

    .guide-intro {
      padding: 28px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(145deg, rgba(122,46,54,.34), rgba(36,28,37,.9)),
        radial-gradient(circle at 15% 20%, rgba(214,163,93,.14), transparent 36%);
      border: 1px solid rgba(214,163,93,.18);
      box-shadow: var(--shadow-soft);
    }

    .guide-intro h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 28px;
      font-weight: 800;
    }

    .guide-intro p {
      margin: 0;
      color: var(--muted);
      line-height: 1.85;
    }

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

    .step-item {
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255,255,255,.045);
      border: 1px solid var(--border);
    }

    .step-num {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: rgba(214,163,93,.14);
      color: #FFE2B5;
      font-weight: 850;
      border: 1px solid rgba(214,163,93,.23);
    }

    .step-item h3 {
      margin: 0 0 5px;
      color: #fff;
      font-size: 18px;
      font-weight: 780;
    }

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

    .faq-wrap {
      background: var(--light);
      color: var(--light-text);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-soft);
    }

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

    .faq-item {
      border-radius: 18px;
      background: #fff;
      border: 1px solid rgba(37,28,34,.08);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      background: transparent;
      color: var(--light-text);
      text-align: left;
      font-weight: 800;
    }

    .faq-question .icon {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(155,85,127,.10);
      color: var(--primary-2);
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: rgba(37,28,34,.76);
      line-height: 1.8;
    }

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

    .faq-item.open .faq-question .icon {
      transform: rotate(45deg);
      background: rgba(214,163,93,.18);
      color: #7A4E16;
    }

    .contact-panel {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 26px;
      padding: 30px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(155,85,127,.22), rgba(36,28,37,.92)),
        radial-gradient(circle at 92% 12%, rgba(214,163,93,.16), transparent 28%);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .contact-copy h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 31px;
      line-height: 1.25;
      font-weight: 850;
    }

    .contact-copy p {
      margin: 0 0 20px;
      color: var(--muted);
      line-height: 1.85;
    }

    .contact-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .feedback-form {
      display: grid;
      gap: 12px;
    }

    .form-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea {
      width: 100%;
      border: 1px solid var(--border);
      background: rgba(18,16,20,.58);
      color: var(--text);
      border-radius: 15px;
      padding: 13px 14px;
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .feedback-form textarea {
      min-height: 116px;
      resize: vertical;
    }

    .feedback-form input::placeholder,
    .feedback-form textarea::placeholder {
      color: var(--weak);
    }

    .feedback-form input:hover,
    .feedback-form select:hover,
    .feedback-form textarea:hover {
      border-color: rgba(255,255,255,.18);
    }

    .feedback-form input:focus,
    .feedback-form select:focus,
    .feedback-form textarea:focus {
      outline: none;
      border-color: rgba(214,163,93,.78);
      box-shadow: 0 0 0 4px rgba(214,163,93,.12);
      background: rgba(18,16,20,.78);
    }

    .site-footer {
      padding: 58px 0 28px;
      background:
        linear-gradient(180deg, rgba(18,16,20,.92), #0D0B0E),
        radial-gradient(circle at 12% 10%, rgba(155,85,127,.14), transparent 32%);
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) minmax(180px, .7fr) minmax(220px, .8fr);
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-size: 18px;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .footer-about {
      max-width: 520px;
      margin: 0;
      color: var(--muted);
      line-height: 1.85;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 15px;
      font-weight: 800;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a,
    .footer-links span {
      width: fit-content;
      color: var(--muted);
    }

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

    .copyright {
      margin-top: 38px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-height: 68px;
      }

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

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

      .guide-panel,
      .contact-panel {
        grid-template-columns: 1fr;
      }

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

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

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

      .nav-wrap {
        gap: 12px;
      }

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

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

      .main-nav {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(var(--nav-height) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 14px;
        border-radius: 20px;
        background: rgba(27,23,31,.98);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
      }

      .mobile-open .main-nav {
        display: flex;
      }

      .main-nav a {
        padding: 13px 14px;
      }

      .nav-action {
        display: none;
      }

      .article-hero {
        padding: 38px 0 32px;
      }

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

      .article-shell {
        padding: 42px 0 58px;
      }

      .article-body {
        padding: 28px 22px 32px;
        font-size: 16.5px;
      }

      .cover-wrap {
        aspect-ratio: 16 / 10;
      }

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

      .side-stack,
      .related-grid,
      .form-row {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 54px 0;
      }

      .faq-wrap,
      .contact-panel {
        padding: 20px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        border-radius: 12px;
      }

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

      .breadcrumb {
        gap: 7px;
        font-size: 12px;
      }

      .article-meta {
        gap: 8px;
      }

      .meta-pill,
      .tag {
        padding: 7px 10px;
      }

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

      .article-body h3 {
        font-size: 20px;
      }

      .btn {
        width: 100%;
      }

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

/* 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}