/* roulang page: index */
:root {
    --bg: #0B0908;
    --surface: #161210;
    --surface-2: #1D1916;
    --gold: #D8A84E;
    --gold-2: #C9973C;
    --text: #EEE7DE;
    --muted: #9C948A;
    --faint: #6C655E;
    --line: rgba(238, 230, 220, 0.08);
    --danger: #9A2F2E;
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    --radius: 12px;
    --radius-pill: 999px;
    --container: 1200px;
    --shadow-1: 0 1px 0 rgba(238, 230, 220, 0.06);
    --shadow-2: 0 16px 48px rgba(0, 0, 0, 0.32);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

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

  button,
  input,
  textarea {
    font-family: inherit;
    font-size: 1rem;
  }

  button {
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
  }

  ul,
  ol {
    list-style: none;
  }

  ::selection {
    background: rgba(216, 168, 78, 0.3);
    color: var(--text);
  }

  .container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 20px;
  }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.2;
    transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    white-space: nowrap;
    border: 1px solid transparent;
  }

  .btn .arrow {
    display: inline-block;
    transition: transform 0.25s var(--ease);
  }

  .btn:hover .arrow {
    transform: translateX(4px);
  }

  .btn:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: 3px solid rgba(216, 168, 78, 0.45);
    outline-offset: 3px;
  }

  .btn-primary {
    background: var(--gold);
    color: #160F07;
    box-shadow: 0 8px 24px rgba(216, 168, 78, 0.2);
  }

  .btn-primary:hover {
    background: #E4B765;
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(216, 168, 78, 0.28);
  }

  .btn-primary:active {
    transform: translateY(0);
    background: var(--gold-2);
    box-shadow: 0 4px 14px rgba(216, 168, 78, 0.22);
  }

  .btn-ghost {
    background: transparent;
    border-color: rgba(216, 168, 78, 0.72);
    color: var(--gold);
  }

  .btn-ghost:hover {
    background: rgba(216, 168, 78, 0.08);
    border-color: var(--gold);
    transform: translateY(-1px);
  }

  .btn-ghost:active {
    transform: translateY(0);
    background: rgba(216, 168, 78, 0.16);
  }

  .btn-light {
    background: rgba(238, 230, 220, 0.08);
    border: 1px solid var(--line);
    color: var(--text);
  }

  .btn-light:hover {
    background: rgba(238, 230, 220, 0.14);
    border-color: rgba(238, 230, 220, 0.24);
    transform: translateY(-1px);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(216, 168, 78, 0.32);
    background: rgba(216, 168, 78, 0.08);
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 0.04em;
    font-weight: 600;
  }

  .site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    background: rgba(11, 9, 8, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 1px solid transparent;
  }

  .site-header.scrolled {
    background: rgba(11, 9, 8, 0.95);
    border-bottom-color: var(--line);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  }

  .nav-flex {
    display: flex;
    align-items: center;
    height: 68px;
    gap: 24px;
  }

  .brand {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02em;
    line-height: 1.2;
    flex-shrink: 0;
  }

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

  .main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-inline: auto;
  }

  .main-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--muted);
    padding: 8px 2px;
    transition: color 0.25s ease;
  }

  .main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--ease);
    border-radius: 2px;
  }

  .main-nav a:hover,
  .main-nav a.active {
    color: var(--text);
  }

  .main-nav a.active::after,
  .main-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

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

  .nav-cta .btn {
    padding: 10px 18px;
    font-size: 14px;
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 10px;
    border-radius: 8px;
  }

  .nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.3s ease;
  }

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

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

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

  .hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 150px 0 100px;
    overflow: hidden;
    background-position: center;
    background-size: cover;
    isolation: isolate;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse at 20% 30%, rgba(216, 168, 78, 0.13), transparent 45%),
      radial-gradient(ellipse at 80% 70%, rgba(154, 47, 46, 0.1), transparent 50%);
    z-index: -1;
  }

  .hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 180px;
    background: linear-gradient(180deg, rgba(11, 9, 8, 0), var(--bg));
    z-index: 0;
    pointer-events: none;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    max-width: 900px;
  }

  .hero-kicker {
    margin-bottom: 24px;
  }

  .hero-title {
    font-family: var(--serif);
    font-size: clamp(40px, 6vw, 68px);
    line-height: 1.22;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.01em;
  }

  .hero-title .gold {
    color: var(--gold);
  }

  .hero-sub {
    margin-top: 20px;
    font-size: clamp(15px, 1.2vw, 18px);
    line-height: 1.75;
    color: var(--muted);
    max-width: 660px;
  }

  .hero-sub strong {
    color: var(--text);
    font-weight: 600;
  }

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

  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 26px;
    color: var(--muted);
    font-size: 13px;
  }

  .hero-meta li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .hero-meta li::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
    display: inline-block;
  }

  .countdown-wrap {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 30px;
    padding: 10px 16px;
    background: rgba(29, 25, 22, 0.72);
    border: 1px solid var(--line);
    border-radius: 10px;
    font-size: 14px;
    backdrop-filter: blur(10px);
  }

  .countdown-label {
    color: var(--muted);
  }

  .countdown-time {
    font-family: var(--serif);
    font-weight: 700;
    color: var(--gold);
    font-size: 18px;
    letter-spacing: 0.06em;
  }

  .countdown-note {
    color: var(--faint);
    font-size: 12px;
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }

  .section {
    padding-block: 92px;
  }

  .section-sm {
    padding-block: 48px;
  }

  .section-alt {
    background: var(--surface);
    border-block: 1px solid var(--line);
  }

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

  .section-head {
    max-width: 860px;
    margin-bottom: 44px;
  }

  .section-head.center {
    margin-inline: auto;
    text-align: center;
  }

  .split-head {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 30px;
  }

  .section-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(216, 168, 78, 0.09);
    border: 1px solid rgba(216, 168, 78, 0.24);
    color: var(--gold);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
  }

  .section-title {
    font-family: var(--serif);
    font-size: clamp(26px, 3vw, 40px);
    line-height: 1.35;
    font-weight: 700;
    margin-top: 14px;
    color: var(--text);
  }

  .section-desc {
    margin-top: 14px;
    color: var(--muted);
    line-height: 1.8;
    font-size: 16px;
  }

  .section-desc strong {
    color: var(--text);
    font-weight: 600;
  }

  .section-link {
    color: var(--gold);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
  }

  .section-link:hover {
    color: #E4B765;
  }

  .pains-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr 1fr;
    gap: 18px;
    margin-top: 20px;
  }

  .pain-card {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-1);
    transition: transform 0.3s var(--ease), border-color 0.3s ease;
  }

  .pain-card:nth-child(2) {
    transform: translateY(18px);
  }

  .pain-card:nth-child(3) {
    background: rgba(216, 168, 78, 0.05);
    border-color: rgba(216, 168, 78, 0.14);
  }

  .pain-card:hover {
    transform: translateY(0);
    border-color: rgba(216, 168, 78, 0.28);
  }

  .pain-card .num {
    font-family: var(--serif);
    font-size: 13px;
    color: var(--gold-2);
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .pain-card h3 {
    font-size: 20px;
    line-height: 1.5;
    margin-top: 12px;
    font-weight: 700;
    font-family: var(--serif);
  }

  .pain-card p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 10px;
  }

  .pain-card .tagline {
    display: inline-flex;
    margin-top: 16px;
    font-size: 12px;
    color: var(--gold);
    background: rgba(216, 168, 78, 0.08);
    padding: 5px 10px;
    border-radius: 999px;
  }

  .solution-intro {
    margin-top: 48px;
    display: grid;
    grid-template-columns: 0.8fr 2fr;
    gap: 40px;
    align-items: end;
  }

  .solution-intro h3 {
    font-family: var(--serif);
    font-size: 28px;
    line-height: 1.4;
    font-weight: 700;
  }

  .solution-intro p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .track-scroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(280px, 1fr);
    gap: 16px;
    margin-top: 28px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
    scrollbar-width: thin;
    scrollbar-color: rgba(216, 168, 78, 0.4) transparent;
  }

  .track-card {
    scroll-snap-align: start;
    background: linear-gradient(145deg, rgba(29, 25, 22, 0.9), rgba(22, 18, 16, 0.95));
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 30px 26px;
    position: relative;
    transition: transform 0.3s var(--ease), border-color 0.3s ease;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }

  .track-card:hover {
    transform: translateY(-4px);
    border-color: rgba(216, 168, 78, 0.32);
  }

  .track-card .track-no {
    font-family: var(--serif);
    color: var(--gold);
    font-size: 14px;
    font-weight: 700;
    position: absolute;
    top: 24px;
    left: 26px;
    opacity: 0.75;
  }

  .track-card h4 {
    font-family: var(--serif);
    font-size: 24px;
    line-height: 1.35;
    color: var(--text);
  }

  .track-card p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 10px;
  }

  .track-card .type {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 14px;
  }

  .track-card .type span {
    font-size: 12px;
    color: var(--text);
    background: rgba(216, 168, 78, 0.08);
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(216, 168, 78, 0.12);
  }

  .stat-band {
    background: var(--surface);
    border-block: 1px solid var(--line);
    padding-block: 44px;
  }

  .stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .stat-item {
    text-align: center;
    padding: 20px 12px;
    border-inline-start: 1px solid var(--line);
  }

  .stat-item:first-child {
    border-inline-start: none;
  }

  .stat-item strong {
    display: block;
    font-family: var(--serif);
    font-size: 52px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.1;
  }

  .stat-item span {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-top: 8px;
  }

  .cover-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .media-card {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .media-card:hover {
    transform: translateY(-5px);
    border-color: rgba(216, 168, 78, 0.28);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
  }

  .cover-frame {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }

  .cover-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
  }

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

  .cover-frame .badge-float {
    position: absolute;
    left: 16px;
    top: 16px;
  }

  .badge-float {
    display: inline-flex;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(11, 9, 8, 0.7);
    border: 1px solid rgba(238, 230, 220, 0.12);
    backdrop-filter: blur(8px);
    font-size: 12px;
    color: var(--text);
  }

  .media-body {
    padding: 20px 20px 22px;
  }

  .media-body .tag-row {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
  }

  .mini-tag {
    font-size: 12px;
    color: var(--gold);
    background: rgba(216, 168, 78, 0.08);
    border: 1px solid rgba(216, 168, 78, 0.12);
    padding: 3px 10px;
    border-radius: 999px;
    display: inline-flex;
  }

  .media-body h3 {
    font-family: var(--serif);
    font-size: 20px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--text);
  }

  .media-body h3 a {
    transition: color 0.25s ease;
  }

  .media-card:hover .media-body h3 a {
    color: var(--gold);
  }

  .media-body p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 8px;
    line-height: 1.7;
  }

  .media-body .meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    color: var(--faint);
    font-size: 13px;
  }

  .media-body .read-link {
    color: var(--gold);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }

  .playlist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .playlist-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--line);
    min-height: 260px;
    display: flex;
    align-items: flex-end;
    background: var(--surface-2);
    transition: transform 0.35s var(--ease), border-color 0.3s ease;
  }

  .playlist-card:hover {
    transform: translateY(-4px);
    border-color: rgba(216, 168, 78, 0.32);
  }

  .playlist-card.wide {
    grid-column: span 2;
    min-height: 320px;
  }

  .playlist-card .pg-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: transform 0.7s var(--ease), opacity 0.4s ease;
  }

  .playlist-card:hover .pg-bg {
    transform: scale(1.04);
    opacity: 0.85;
  }

  .pg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 9, 8, 0.1) 0%, rgba(11, 9, 8, 0.2) 40%, rgba(11, 9, 8, 0.9) 100%);
  }

  .pg-content {
    position: relative;
    z-index: 2;
    padding: 28px;
    width: 100%;
  }

  .pg-content .pg-tag {
    display: inline-flex;
    font-size: 12px;
    color: var(--gold);
    background: rgba(11, 9, 8, 0.6);
    border: 1px solid rgba(216, 168, 78, 0.3);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
  }

  .pg-content h3 {
    font-family: var(--serif);
    font-size: 24px;
    line-height: 1.4;
    color: #fff;
    font-weight: 700;
  }

  .pg-content p {
    color: rgba(238, 230, 220, 0.76);
    font-size: 14px;
    margin-top: 8px;
    max-width: 520px;
  }

  .news-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.85fr;
    gap: 36px;
    align-items: start;
  }

  .article-list {
    display: grid;
  }

  .article-list li {
    border-bottom: 1px solid var(--line);
  }

  .article-list li:last-child {
    border-bottom: none;
  }

  .article-link {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    align-items: center;
    padding: 22px 8px;
    transition: background 0.3s ease;
    border-radius: 10px;
  }

  .article-link:hover {
    background: rgba(238, 230, 220, 0.03);
  }

  .article-link .art-cat {
    font-size: 12px;
    color: var(--gold);
    margin-bottom: 6px;
    display: inline-block;
  }

  .article-link h3 {
    font-size: 18px;
    line-height: 1.6;
    font-weight: 600;
    font-family: var(--serif);
  }

  .article-link .art-meta {
    color: var(--faint);
    font-size: 13px;
    margin-top: 8px;
  }

  .article-link .art-arrow {
    color: var(--gold);
    font-size: 22px;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s var(--ease);
  }

  .article-link:hover .art-arrow {
    opacity: 1;
    transform: translateX(4px);
  }

  .news-rail {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px;
  }

  .news-rail h3 {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
  }

  .news-rail > p {
    color: var(--muted);
    font-size: 14px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
    margin-bottom: 18px;
  }

  .rail-link {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .rail-link:last-child {
    border-bottom: 0;
  }

  .rail-link span {
    display: block;
    color: var(--faint);
    font-size: 12px;
    margin-bottom: 4px;
  }

  .rail-link strong {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.6;
    transition: color 0.3s ease;
  }

  .rail-link:hover strong {
    color: var(--gold);
  }

  .quote-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 0.9fr;
    gap: 18px;
    align-items: stretch;
  }

  .user-quote {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    box-shadow: var(--shadow-1);
  }

  .user-quote::before {
    content: "“";
    position: absolute;
    top: 8px;
    left: 20px;
    font-size: 72px;
    color: rgba(216, 168, 78, 0.22);
    font-family: var(--serif);
    line-height: 1;
  }

  .user-quote blockquote {
    font-family: var(--serif);
    font-size: 17px;
    line-height: 1.8;
    color: var(--text);
    margin-top: 20px;
  }

  .user-quote figcaption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    border-top: 1px solid var(--line);
    padding-top: 16px;
  }

  .user-quote figcaption .who {
    color: var(--muted);
    font-size: 14px;
  }

  .user-quote .stars {
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 2px;
  }

  .watch-card {
    background:
      linear-gradient(160deg, rgba(216, 168, 78, 0.12), transparent 70%),
      var(--surface-2);
    border: 1px solid rgba(216, 168, 78, 0.18);
    border-radius: 16px;
    padding: 30px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .watch-card h3 {
    font-family: var(--serif);
    font-size: 22px;
    line-height: 1.5;
    color: var(--text);
  }

  .watch-card p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 12px;
    line-height: 1.8;
  }

  .watch-card .btn {
    margin-top: 20px;
    align-self: flex-start;
    padding: 11px 18px;
  }

  .faq-wrap {
    max-width: 880px;
    margin-inline: auto;
  }

  .faq-item {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.3s ease, background 0.3s ease;
  }

  .faq-item.open {
    background: #161210;
    border-color: rgba(216, 168, 78, 0.28);
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 16px;
    padding: 22px 24px;
    text-align: left;
    color: var(--text);
    font-weight: 600;
    font-size: 17px;
    line-height: 1.5;
    transition: color 0.3s ease;
  }

  .faq-q:hover {
    color: var(--gold);
  }

  .faq-q .icon {
    flex-shrink: 0;
    position: relative;
    width: 22px;
    height: 22px;
  }

  .faq-q .icon::before,
  .faq-q .icon::after {
    content: "";
    position: absolute;
    background: var(--gold);
    border-radius: 2px;
    transition: transform 0.35s var(--ease);
  }

  .faq-q .icon::before {
    top: 10px;
    left: 2px;
    width: 18px;
    height: 2px;
  }

  .faq-q .icon::after {
    top: 2px;
    left: 10px;
    width: 2px;
    height: 18px;
  }

  .faq-item.open .faq-q .icon::after {
    transform: scaleY(0);
  }

  .faq-a {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s var(--ease);
  }

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

  .faq-answer {
    overflow: hidden;
  }

  .faq-answer p {
    padding: 0 24px 24px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    border-top: 1px solid var(--line);
    padding-top: 20px;
  }

  .cta-zone {
    position: relative;
    padding: 96px 0;
    background-size: cover;
    background-position: center;
    isolation: isolate;
  }

  .cta-zone::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(11, 9, 8, 0.95) 10%, rgba(11, 9, 8, 0.82) 55%, rgba(11, 9, 8, 0.9) 100%);
    z-index: -1;
  }

  .cta-inner {
    max-width: 760px;
    text-align: center;
    margin-inline: auto;
  }

  .cta-inner .section-title {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.35;
  }

  .cta-inner .section-desc {
    margin-inline: auto;
    max-width: 600px;
  }

  .sub-form {
    display: flex;
    gap: 12px;
    max-width: 560px;
    margin: 34px auto 0;
  }

  .sub-form input {
    flex: 1;
    background: var(--surface-2);
    border: 1px solid rgba(238, 230, 220, 0.12);
    border-radius: 8px;
    padding: 13px 16px;
    color: var(--text);
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    min-width: 0;
  }

  .sub-form input::placeholder {
    color: var(--faint);
  }

  .sub-form input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(216, 168, 78, 0.16);
  }

  .sub-form .btn {
    flex-shrink: 0;
  }

  .form-note {
    margin-top: 16px;
    color: var(--faint);
    font-size: 13px;
  }

  .form-msg {
    margin-top: 16px;
    min-height: 22px;
    color: var(--gold);
    font-size: 14px;
    font-weight: 500;
  }

  .site-footer {
    background: #070606;
    border-top: 1px solid rgba(216, 168, 78, 0.22);
    padding-top: 58px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.7fr 0.9fr 1.2fr;
    gap: 36px;
    padding-bottom: 42px;
  }

  .footer-brand p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 12px;
    max-width: 260px;
  }

  .footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
  }

  .footer-col ul li {
    margin-bottom: 10px;
  }

  .footer-col ul a {
    color: var(--muted);
    font-size: 14px;
    transition: color 0.25s ease;
  }

  .footer-col ul a:hover {
    color: var(--gold);
  }

  .footer-note p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
  }

  .footer-bottom {
    border-top: 1px solid var(--line);
    padding-block: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--faint);
    font-size: 13px;
  }

  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s ease, transform 0.55s var(--ease);
  }

  .reveal.visible {
    opacity: 1;
    transform: none;
  }

  @media (max-width: 1023px) {
    .nav-flex {
      gap: 16px;
    }

    .main-nav {
      gap: 18px;
    }

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

    .pain-card:nth-child(2) {
      transform: none;
    }

    .pain-card:nth-child(3) {
      grid-column: span 2;
    }

    .solution-intro {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .stat-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .stat-item:nth-child(3) {
      border-inline-start: none;
      border-top: 1px solid var(--line);
    }

    .stat-item:nth-child(4) {
      border-top: 1px solid var(--line);
    }

    .news-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

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

    .watch-card {
      grid-column: span 2;
    }

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

  @media (max-width: 767px) {
    .container {
      padding-inline: 16px;
    }

    .section {
      padding-block: 64px;
    }

    .nav-flex {
      justify-content: space-between;
    }

    .nav-toggle {
      display: inline-flex;
      margin-left: auto;
      order: 3;
    }

    .nav-cta {
      flex-direction: column;
      width: 100%;
      gap: 10px;
    }

    .nav-cta .btn {
      width: 100%;
      padding: 14px;
    }

    .nav-menu {
      position: fixed;
      top: 68px;
      right: 0;
      bottom: 0;
      width: 86%;
      max-width: 340px;
      background: rgba(11, 9, 8, 0.98);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border-left: 1px solid var(--line);
      padding: 28px 22px;
      display: flex;
      flex-direction: column;
      transform: translateX(110%);
      transition: transform 0.45s var(--ease);
      z-index: 99;
      box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    }

    .nav-open .nav-menu {
      transform: translateX(0);
    }

    .main-nav {
      flex-direction: column;
      align-items: flex-start;
      margin: 0 0 36px;
      gap: 0;
      width: 100%;
    }

    .main-nav a {
      display: flex;
      align-items: center;
      width: 100%;
      min-height: 48px;
      font-size: 18px;
      border-bottom: 1px solid var(--line);
    }

    .main-nav a:first-child {
      border-top: 1px solid var(--line);
    }

    .main-nav a::after {
      display: none;
    }

    .hero {
      min-height: 92vh;
      padding-top: 130px;
      padding-bottom: 70px;
    }

    .hero-title {
      font-size: clamp(34px, 10vw, 48px);
    }

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

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

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

    .countdown-wrap {
      flex-wrap: wrap;
      width: 100%;
    }

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

    .pain-card:nth-child(3) {
      grid-column: auto;
    }

    .track-scroll {
      grid-auto-columns: 84%;
      margin-right: -16px;
      padding-right: 16px;
    }

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

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

    .playlist-card.wide {
      grid-column: auto;
      min-height: 280px;
    }

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

    .stat-item,
    .stat-item:nth-child(3),
    .stat-item:nth-child(4) {
      border-inline-start: none;
      border-top: 1px solid var(--line);
      padding-block: 22px;
    }

    .stat-item:first-child {
      border-top: 0;
    }

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

    .watch-card {
      grid-column: auto;
    }

    .sub-form {
      flex-direction: column;
    }

    .sub-form .btn {
      width: 100%;
    }

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

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 480px) {
    .hero-actions .btn {
      width: 100%;
      padding: 14px 18px;
    }

    .countdown-note {
      border-left: none;
      padding-left: 0;
      width: 100%;
    }

    .section-title {
      font-size: 28px;
    }

    .playlist-grid {
      gap: 14px;
    }

    .pg-content {
      padding: 20px;
    }

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

    .media-body h3 {
      font-size: 18px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }

    .reveal {
      opacity: 1;
      transform: none;
    }
  }

.reveal { opacity: 1; transform: none; }

/* roulang page: category1 */
:root {
  --bg: #0B0908;
  --surface: #161210;
  --surface-2: #1D1916;
  --gold: #D8A84E;
  --gold-2: #C9973C;
  --text: #EEE7DE;
  --muted: #9C948A;
  --faint: #6C655E;
  --line: rgba(238, 230, 220, 0.08);
  --danger: #9A2F2E;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --radius: 12px;
  --radius-pill: 999px;
  --container: 1200px;
  --shadow-1: 0 1px 0 rgba(238, 230, 220, 0.06);
  --shadow-2: 0 16px 48px rgba(0, 0, 0, 0.32);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(216, 168, 78, 0.32);
  background: rgba(216, 168, 78, 0.08);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 600;
  width: fit-content;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform .25s var(--ease), background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.btn .arrow {
  display: inline-block;
  transition: transform .25s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(216, 168, 78, 0.45);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--gold);
  color: #160F07;
  box-shadow: 0 8px 24px rgba(216, 168, 78, 0.2);
}

.btn-primary:hover {
  background: #E4B765;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(216, 168, 78, 0.28);
}

.btn-primary:active {
  transform: translateY(0);
  background: var(--gold-2);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(216, 168, 78, 0.72);
  color: var(--gold);
}

.btn-ghost:hover {
  background: rgba(216, 168, 78, 0.08);
  border-color: var(--gold);
  transform: translateY(-1px);
}

.btn-ghost:active {
  background: rgba(216, 168, 78, 0.16);
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(11, 9, 8, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .4s ease, border-color .4s ease, box-shadow .4s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(11, 9, 8, .95);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
}

.nav-flex {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .04em;
  line-height: 1.2;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-inline: auto;
}

.main-nav a {
  position: relative;
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 2px;
  transition: color .25s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
}

.main-nav a.active::after,
.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.nav-cta .btn {
  padding: 10px 18px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s ease;
}

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

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

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

section {
  scroll-margin-top: 90px;
}

/* Category hero */
.cat-hero {
  position: relative;
  padding: 150px 0 100px;
  overflow: hidden;
  background-image:
    radial-gradient(ellipse at 12% 20%, rgba(216, 168, 78, .12), transparent 46%),
    radial-gradient(ellipse at 88% 76%, rgba(154, 47, 46, .12), transparent 40%);
}

.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .25;
  background-image: url('/assets/images/backpic/back-2.jpg');
  background-position: center 20%;
  background-size: cover;
}

.cat-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(11, 9, 8, 0), var(--bg));
}

.cat-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 72px;
  align-items: center;
}

.cat-hero .badge {
  margin-bottom: 28px;
}

.cat-hero h1 {
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: .01em;
  max-width: 11em;
}

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

.lead {
  margin-top: 26px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

/* Visual panel */
.cat-hero-visual {
  position: relative;
  padding-bottom: 50px;
}

.hero-poster {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-2);
  position: relative;
}

.hero-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}

.hero-poster:hover img {
  transform: scale(1.03);
}

.decision-card {
  position: absolute;
  right: -12px;
  bottom: 0;
  width: min(360px, 92%);
  background: rgba(22, 18, 16, .92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(216, 168, 78, .22);
  border-radius: var(--radius);
  padding: 24px 24px 20px;
  box-shadow: var(--shadow-2);
  transform: translateY(-10px);
}

.decision-card .mini-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.decision-list {
  list-style: none;
}

.decision-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
  padding: 9px 0;
  border-top: 1px solid rgba(238, 230, 220, .06);
  color: var(--muted);
}

.decision-list li span:last-child {
  color: var(--text);
  text-align: right;
  font-weight: 500;
}

.decision-result {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(216, 168, 78, .1);
  border-left: 2px solid var(--gold);
  border-radius: 0 10px 10px 0;
  font-size: 14px;
}

.decision-result strong {
  color: var(--gold);
  font-weight: 600;
}

/* section common */
.section-block {
  padding: 104px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 58px;
}

.section-head .badge {
  margin-bottom: 18px;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.3;
  font-weight: 700;
}

.section-head p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

/* Pain cards */
.case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
  align-items: start;
}

.case-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 32px 28px;
  transition: transform .3s var(--ease), border-color .3s ease, background .3s ease;
  position: relative;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 168, 78, .3);
  background: #211B17;
}

.case-card:nth-child(1) {
  grid-column: span 5;
}

.case-card:nth-child(2) {
  grid-column: span 7;
  transform: translateY(28px);
}

.case-card:nth-child(2):hover {
  transform: translateY(24px);
}

.case-card:nth-child(3) {
  grid-column: 3 / span 9;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 30px;
  align-items: center;
  margin-top: 38px;
}

.case-num {
  color: var(--gold-2);
  font-size: 13px;
  letter-spacing: .1em;
  font-weight: 600;
  display: block;
  margin-bottom: 22px;
}

.case-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  margin-bottom: 12px;
  font-weight: 600;
}

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

.case-sub {
  border-left: 1px solid rgba(216, 168, 78, .3);
  padding-left: 20px;
  color: var(--muted);
}

.case-sub strong {
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

/* Method flow */
.method-wrap {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 40px;
  list-style: none;
}

.steps::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(216, 168, 78, .16));
}

.step {
  position: relative;
  padding: 24px 0 44px 18px;
}

.step::before {
  content: "";
  position: absolute;
  left: -40px;
  top: 38px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(216, 168, 78, .12);
}

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

.step-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 44px;
}

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

.step-label {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--gold);
  font-weight: 600;
}

.step-inner h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-inner p {
  color: var(--muted);
  max-width: 46em;
}

.step-sample {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(238, 230, 220, .04);
  border-radius: 8px;
  color: var(--faint);
  font-size: 14px;
}

/* filter & cards */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 38px;
  padding-bottom: 4px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s ease;
  cursor: pointer;
}

.filter-chip:hover {
  border-color: rgba(216, 168, 78, .4);
  color: var(--text);
}

.filter-chip.active {
  background: var(--gold);
  border-color: var(--gold);
  color: #160F07;
  font-weight: 600;
}

.editor-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.editor-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  transition: transform .3s var(--ease), border-color .3s ease;
}

.editor-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 168, 78, .28);
}

.editor-featured {
  grid-column: span 7;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  background-color: #1c1612;
}

.editor-featured .editor-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.editor-featured .editor-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 9, 8, .2), rgba(11, 9, 8, .96) 96%);
}

.editor-featured img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

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

.editor-featured header {
  position: relative;
  z-index: 2;
}

.editor-featured h3 {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.4;
  margin: 18px 0 12px;
  font-weight: 600;
}

.editor-featured p {
  color: rgba(238, 230, 220, .8);
  font-size: 15px;
  max-width: 40em;
}

.mode-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--gold) !important;
  font-weight: 600;
  font-size: 14px;
}

.mode-link small {
  transition: transform .25s var(--ease);
}

.mode-link:hover small {
  transform: translateX(4px);
}

.editor-stack {
  grid-column: span 5;
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
}

.editor-mini {
  padding: 26px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.editor-mini .mini-cover {
  flex: 0 0 96px;
  width: 96px;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}

.editor-mini .mini-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.editor-mini h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 6px;
  font-weight: 600;
  font-family: var(--serif);
}

.editor-mini p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.editor-strip {
  grid-column: span 12;
  display: grid;
  grid-template-columns: minmax(0, 320px) 1fr;
  align-items: center;
  margin-top: 20px;
}

.editor-strip .strip-cover {
  min-height: 200px;
}

.editor-strip .strip-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.strip-body {
  padding: 30px;
}

.strip-body h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin: 14px 0 10px;
}

.strip-body p {
  color: var(--muted);
  max-width: 52em;
}

.tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.mini-tag {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 12px;
}

.editor-card.empty {
  display: none;
  grid-column: span 12;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  border-style: dashed;
}

/* longread */
.longread-wrap {
  background: linear-gradient(180deg, var(--bg), var(--surface), var(--bg));
}

.manual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: 60px;
  align-items: start;
}

.manual-copy {
  max-width: 56em;
}

.manual-copy h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.42;
  margin-bottom: 24px;
  font-weight: 700;
}

.manual-copy p {
  margin-bottom: 22px;
  color: var(--muted);
  line-height: 2;
}

.manual-copy ul {
  list-style: none;
  margin: 28px 0;
  padding-left: 0;
}

.manual-copy ul li {
  position: relative;
  padding: 18px 0 18px 34px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 500;
}

.manual-copy ul li::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--serif);
  color: var(--gold);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .04em;
}

.manual-copy ul li strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
}

.manual-copy ul li span {
  display: block;
  color: var(--muted);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.7;
}

.manual-aside {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
  position: sticky;
  top: 100px;
}

.manual-aside .quote-mark {
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
}

.manual-aside blockquote {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.7;
  color: var(--text);
  margin: 8px 0 20px;
}

.manual-aside p {
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

/* FAQ */
.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 14px;
  transition: border-color .25s ease, background .25s ease;
}

.faq-item[open] {
  background: var(--surface);
  border-color: rgba(216, 168, 78, .32);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  position: relative;
  transition: color .25s ease;
}

.faq-item summary::after {
  content: "+";
  font-size: 26px;
  font-weight: 400;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform .3s var(--ease);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

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

.faq-item summary:hover {
  color: var(--gold);
}

.faq-answer {
  padding: 0 28px 26px;
  color: var(--muted);
  max-width: 62em;
  line-height: 1.9;
}

/* CTA band */
.cta-band {
  border-top: 1px solid var(--line);
  background-image:
    linear-gradient(180deg, rgba(216, 168, 78, .04), transparent),
    url('/assets/images/backpic/back-5.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
  isolation: isolate;
  padding: 120px 0;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 9, 8, .9);
  z-index: -1;
}

.cta-box {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

.cta-box h2 {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.36;
  font-weight: 700;
}

.cta-box h2 em {
  color: var(--gold);
  font-style: normal;
}

.cta-box > p {
  margin: 22px auto 0;
  color: var(--muted);
  max-width: 34em;
  line-height: 1.9;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.newsletter-row {
  display: flex;
  gap: 10px;
  max-width: 520px;
  margin: 44px auto 0;
  background: rgba(238, 230, 220, .04);
  padding: 10px;
  border-radius: 50px;
  border: 1px solid var(--line);
}

.newsletter-row input {
  flex: 1;
  background: transparent;
  border: 0;
  padding: 8px 18px;
  color: var(--text);
  min-width: 0;
  outline: none;
}

.newsletter-row input::placeholder {
  color: var(--faint);
}

.newsletter-row button {
  flex-shrink: 0;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--gold);
  color: #160F07;
  font-weight: 600;
  transition: background .25s ease, transform .25s ease;
}

.newsletter-row button:hover {
  background: #E4B765;
  transform: translateY(-1px);
}

/* footer */
.site-footer {
  background: #080605;
  border-top: 1px solid rgba(216, 168, 78, .26);
  padding: 90px 0 40px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr 1.1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-grid h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: .06em;
}

.site-footer .brand {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 24px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  max-width: 20em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--muted);
  font-size: 14px;
  transition: color .25s ease, padding-left .25s ease;
}

.footer-col ul a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-note p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  color: var(--faint);
  font-size: 13px;
  flex-wrap: wrap;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* responsive */
@media (max-width: 1023px) {
  .cat-hero-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .cat-hero h1 {
    max-width: none;
  }

  .editor-featured {
    grid-column: span 12;
    min-height: 320px;
  }

  .editor-stack {
    grid-column: span 12;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: none;
  }

  .editor-strip {
    grid-column: span 12;
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .editor-strip .strip-cover {
    height: 220px;
  }

  .manual-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .manual-aside {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .case-card:nth-child(1),
  .case-card:nth-child(2),
  .case-card:nth-child(3) {
    grid-column: span 12;
    transform: none;
  }

  .case-card:nth-child(2):hover {
    transform: translateY(-4px);
  }

  .case-card:nth-child(3) {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 20px;
  }
}

@media (max-width: 767px) {
  .nav-flex {
    height: 100%;
    min-height: 68px;
    flex-wrap: wrap;
    position: relative;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-menu {
    display: none;
    width: 100%;
    background: rgba(11, 9, 8, .98);
    border-top: 1px solid var(--line);
    padding: 18px 0 24px;
    flex-direction: column;
    gap: 20px;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 32px 60px rgba(0, 0, 0, .5);
  }

  .nav-open .nav-menu {
    display: flex;
  }

  .main-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-inline: 0;
    width: 100%;
  }

  .main-nav a {
    font-size: 16px;
    padding: 14px 4px;
    width: 100%;
    border-bottom: 1px solid rgba(238, 230, 220, .05);
  }

  .main-nav a::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
  }

  .nav-cta .btn {
    flex: 1;
    min-width: 0;
  }

  .cat-hero {
    padding: 120px 0 74px;
  }

  .cat-hero h1 {
    font-size: 34px;
  }

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

  .section-head {
    margin-bottom: 36px;
  }

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

  .steps::before {
    left: 9px;
  }

  .step::before {
    left: -40px;
  }

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

  .editor-mini {
    flex-direction: column;
    align-items: flex-start;
  }

  .editor-mini .mini-cover {
    width: 100%;
    flex-basis: auto;
    aspect-ratio: 16 / 9;
  }

  .editor-featured {
    min-height: 380px;
    padding: 24px;
  }

  .editor-featured h3 {
    font-size: 23px;
  }

  .strip-body {
    padding: 24px;
  }

  .manual-copy ul li {
    padding: 16px 0 16px 30px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 20px;
  }

  .faq-answer {
    padding: 0 20px 20px;
  }

  .cta-band {
    padding: 80px 0;
  }

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

  .newsletter-row {
    flex-direction: column;
    border-radius: 16px;
    padding: 12px;
  }

  .newsletter-row input {
    text-align: center;
    padding: 14px 10px;
  }

  .newsletter-row button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions .btn {
    width: 100%;
  }

  .case-card {
    padding: 24px;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-chip {
    flex-shrink: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}