/* roulang page: index */
:root {
      --ink: #171316;
      --ink-soft: #3f343b;
      --muted: #766b72;
      --paper: #fffaf3;
      --paper-2: #f6efe7;
      --paper-3: #efe4da;
      --plum: #4b183c;
      --plum-deep: #2a1027;
      --rose: #9b5e62;
      --rose-soft: #ead5d2;
      --champagne: #d7c3ac;
      --line: rgba(75, 24, 60, .16);
      --line-dark: rgba(255, 250, 243, .16);
      --white: #ffffff;
      --radius: 8px;
      --radius-lg: 12px;
      --shadow: 0 18px 50px rgba(42, 16, 39, .12);
      --shadow-soft: 0 10px 30px rgba(42, 16, 39, .08);
      --container: 1200px;
      --nav-h: 78px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 18% 0%, rgba(155, 94, 98, .14), transparent 30%),
        linear-gradient(180deg, var(--paper) 0%, #fbf6ef 46%, var(--paper-2) 100%);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

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

    button,
    input {
      font: inherit;
    }

    input:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(155, 94, 98, .22);
      outline-offset: 3px;
    }

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

    .section-pad {
      padding: 92px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--plum);
      background: rgba(155, 94, 98, .1);
      border: 1px solid rgba(155, 94, 98, .22);
      border-radius: 999px;
      padding: 6px 12px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.25;
      font-weight: 800;
      margin: 0 0 18px;
      color: var(--ink);
    }

    .section-desc {
      max-width: 740px;
      color: var(--muted);
      margin: 0;
      font-size: 17px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      min-height: var(--nav-h);
      background: rgba(255, 250, 243, .91);
      border-bottom: 1px solid rgba(75, 24, 60, .12);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: var(--nav-h);
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 18px;
      font-weight: 800;
      color: var(--plum);
      max-width: 360px;
      white-space: normal;
      line-height: 1.25;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      color: var(--paper);
      background: linear-gradient(135deg, var(--plum), var(--rose));
      box-shadow: 0 10px 22px rgba(75, 24, 60, .22);
      flex: 0 0 auto;
      font-weight: 900;
    }

    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 9px 10px;
      background: rgba(255, 255, 255, .48);
    }

    .navbar-toggler:focus {
      box-shadow: none;
    }

    .nav-menu {
      gap: 8px;
      align-items: center;
    }

    .nav-link {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      color: var(--ink-soft);
      font-weight: 700;
      font-size: 15px;
      padding: 10px 14px !important;
      border-radius: 8px;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--plum);
      background: rgba(155, 94, 98, .1);
    }

    .nav-badge {
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      color: var(--rose);
      border: 1px solid rgba(155, 94, 98, .26);
      background: rgba(255, 255, 255, .58);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .btn-brand {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 8px;
      padding: 12px 20px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: var(--ease);
      white-space: normal;
      text-align: center;
      line-height: 1.25;
    }

    .btn-main {
      background: var(--plum);
      color: var(--paper);
      box-shadow: 0 14px 28px rgba(75, 24, 60, .18);
    }

    .btn-main:hover {
      background: var(--plum-deep);
      color: var(--paper);
      transform: translateY(-2px);
    }

    .btn-ghost {
      color: var(--plum);
      background: rgba(255, 250, 243, .72);
      border-color: rgba(75, 24, 60, .18);
    }

    .btn-ghost:hover {
      color: var(--plum);
      background: var(--white);
      border-color: rgba(75, 24, 60, .34);
      transform: translateY(-2px);
    }

    .btn-text {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--plum);
      font-weight: 800;
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 5px;
    }

    .btn-text:hover {
      color: var(--rose);
    }

    .hero {
      position: relative;
      min-height: 690px;
      display: flex;
      align-items: flex-end;
      overflow: hidden;
      color: var(--paper);
      background:
        linear-gradient(90deg, rgba(23, 19, 22, .88) 0%, rgba(42, 16, 39, .72) 48%, rgba(42, 16, 39, .38) 100%),
        linear-gradient(135deg, #2a1027 0%, #6d314c 48%, #d7c3ac 100%);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 250, 243, .08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 250, 243, .08) 1px, transparent 1px);
      background-size: 72px 72px;
      opacity: .22;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: min(7vw, 90px);
      top: 120px;
      width: min(560px, 48vw);
      height: 420px;
      border-radius: 12px;
      background:
        linear-gradient(135deg, rgba(255, 250, 243, .92), rgba(215, 195, 172, .62)),
        repeating-linear-gradient(0deg, rgba(75, 24, 60, .16) 0 1px, transparent 1px 42px);
      box-shadow: 0 30px 80px rgba(0, 0, 0, .24);
      opacity: .74;
      transform: rotate(-2deg);
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      width: min(100% - 40px, 1320px);
      margin: 0 auto;
      padding: 120px 0 70px;
    }

    .hero-cover {
      max-width: 920px;
    }

    .hero-labels {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 22px;
    }

    .hero-label {
      display: inline-flex;
      align-items: center;
      height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 250, 243, .12);
      border: 1px solid rgba(255, 250, 243, .22);
      color: #fff6ea;
      font-size: 13px;
      font-weight: 700;
      backdrop-filter: blur(8px);
    }

    .hero h1 {
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.16;
      font-weight: 900;
      margin: 0 0 20px;
      max-width: 860px;
    }

    .hero-lead {
      max-width: 760px;
      font-size: 18px;
      color: rgba(255, 250, 243, .86);
      margin: 0 0 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 34px;
    }

    .hero-actions .btn-ghost {
      background: rgba(255, 250, 243, .08);
      color: var(--paper);
      border-color: rgba(255, 250, 243, .28);
    }

    .hero-actions .btn-ghost:hover {
      background: rgba(255, 250, 243, .16);
      color: var(--paper);
    }

    .hero-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      max-width: 860px;
      border: 1px solid rgba(255, 250, 243, .18);
      background: rgba(255, 250, 243, .1);
      backdrop-filter: blur(10px);
      border-radius: 8px;
      overflow: hidden;
    }

    .hero-stat {
      padding: 18px 20px;
      border-right: 1px solid rgba(255, 250, 243, .16);
    }

    .hero-stat:last-child {
      border-right: 0;
    }

    .hero-stat strong {
      display: block;
      color: var(--white);
      font-size: 22px;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .hero-stat span {
      color: rgba(255, 250, 243, .72);
      font-size: 13px;
    }

    .countdown-bar {
      position: absolute;
      z-index: 3;
      left: 50%;
      bottom: 0;
      transform: translate(-50%, 50%);
      width: min(100% - 40px, 1040px);
      background: var(--paper);
      color: var(--ink);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 18px;
      align-items: center;
      padding: 16px 18px;
    }

    .countdown-bar b {
      color: var(--plum);
    }

    .countdown-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--plum-deep);
      color: var(--paper);
      border-radius: 999px;
      padding: 8px 12px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    main {
      position: relative;
    }

    .directory {
      padding-top: 126px;
    }

    .directory-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 34px;
      align-items: start;
      margin-top: 34px;
    }

    .directory-note {
      background: var(--ink);
      color: var(--paper);
      border-radius: 8px;
      padding: 28px;
      min-height: 360px;
      position: sticky;
      top: 110px;
      overflow: hidden;
    }

    .directory-note::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -90px;
      width: 240px;
      height: 240px;
      border: 1px solid rgba(255, 250, 243, .12);
      transform: rotate(16deg);
    }

    .directory-note h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .directory-note p {
      color: rgba(255, 250, 243, .72);
      margin-bottom: 22px;
    }

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

    .directory-item {
      display: grid;
      grid-template-columns: 64px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      background: rgba(255, 255, 255, .64);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .directory-item:hover {
      transform: translateY(-2px);
      border-color: rgba(75, 24, 60, .28);
      background: var(--white);
    }

    .item-num {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 8px;
      color: var(--plum);
      background: rgba(155, 94, 98, .12);
      font-weight: 900;
    }

    .directory-item h3 {
      margin: 0 0 6px;
      font-size: 19px;
      font-weight: 800;
    }

    .directory-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 999px;
      color: var(--plum);
      background: rgba(155, 94, 98, .11);
      border: 1px solid rgba(155, 94, 98, .18);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .rail-wrap {
      overflow: hidden;
      margin-top: 34px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .55);
      box-shadow: var(--shadow-soft);
    }

    .topic-rail {
      display: grid;
      grid-template-columns: repeat(4, minmax(240px, 1fr));
    }

    .rail-card {
      min-height: 270px;
      padding: 24px;
      border-right: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--ease);
      background:
        linear-gradient(180deg, rgba(255, 250, 243, .86), rgba(246, 239, 231, .78));
    }

    .rail-card:last-child {
      border-right: 0;
    }

    .rail-card:hover {
      background: var(--white);
    }

    .rail-card h3 {
      font-size: 22px;
      font-weight: 800;
      margin: 14px 0 10px;
    }

    .rail-card p {
      color: var(--muted);
      margin: 0 0 18px;
      font-size: 15px;
    }

    .cover-chip {
      width: 100%;
      height: 86px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(75, 24, 60, .88), rgba(155, 94, 98, .72)),
        repeating-linear-gradient(90deg, rgba(255, 250, 243, .15) 0 1px, transparent 1px 22px);
      position: relative;
      overflow: hidden;
    }

    .cover-chip::after {
      content: "";
      position: absolute;
      right: 18px;
      top: 18px;
      width: 92px;
      height: 50px;
      border: 1px solid rgba(255, 250, 243, .28);
      border-radius: 8px;
    }

    .featured-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 24px;
      margin-top: 36px;
    }

    .feature-card,
    .compact-item,
    .recommend-item,
    .seed-card,
    .proof-card,
    .faq-card {
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .66);
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .feature-card:hover,
    .compact-item:hover,
    .recommend-item:hover,
    .seed-card:hover,
    .proof-card:hover {
      transform: translateY(-2px);
      border-color: rgba(75, 24, 60, .3);
      background: var(--white);
    }

    .feature-card {
      padding: 28px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .feature-visual {
      min-height: 260px;
      border-radius: 10px;
      background:
        linear-gradient(135deg, rgba(42, 16, 39, .92), rgba(155, 94, 98, .72)),
        linear-gradient(90deg, rgba(255, 250, 243, .14) 1px, transparent 1px);
      background-size: auto, 38px 38px;
      padding: 24px;
      display: flex;
      align-items: end;
      color: var(--paper);
    }

    .feature-visual span {
      display: inline-flex;
      border: 1px solid rgba(255, 250, 243, .24);
      padding: 8px 12px;
      border-radius: 999px;
      font-weight: 800;
      background: rgba(255, 250, 243, .1);
    }

    .feature-card h3 {
      font-size: 28px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .feature-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

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

    .compact-item {
      padding: 20px;
    }

    .compact-head {
      display: flex;
      align-items: start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 10px;
    }

    .compact-item h3 {
      font-size: 19px;
      font-weight: 800;
      margin: 0;
    }

    .compact-item p {
      color: var(--muted);
      margin: 0 0 12px;
      font-size: 15px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 3px 9px;
      border-radius: 999px;
      background: var(--paper-2);
      color: var(--ink-soft);
      border: 1px solid rgba(75, 24, 60, .1);
      font-size: 12px;
      font-weight: 700;
    }

    .partition {
      background: var(--ink);
      color: var(--paper);
    }

    .partition .section-title,
    .partition .section-kicker {
      color: var(--paper);
    }

    .partition .section-kicker {
      background: rgba(255, 250, 243, .1);
      border-color: rgba(255, 250, 243, .18);
    }

    .partition .section-desc {
      color: rgba(255, 250, 243, .72);
    }

    .partition-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 16px;
      margin-top: 34px;
    }

    .partition-card {
      grid-column: span 4;
      min-height: 230px;
      padding: 24px;
      border-radius: 8px;
      border: 1px solid var(--line-dark);
      background: rgba(255, 250, 243, .07);
      transition: var(--ease);
    }

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

    .partition-card:nth-child(2) {
      grid-column: span 7;
    }

    .partition-card:hover {
      background: rgba(255, 250, 243, .12);
      transform: translateY(-2px);
    }

    .partition-card h3 {
      font-size: 22px;
      font-weight: 800;
      margin: 16px 0 10px;
    }

    .partition-card p {
      color: rgba(255, 250, 243, .72);
      margin-bottom: 18px;
    }

    .seed-scroll {
      display: grid;
      grid-template-columns: repeat(4, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 34px;
    }

    .seed-card {
      overflow: hidden;
      background: var(--white);
    }

    .seed-cover {
      height: 210px;
      padding: 18px;
      display: flex;
      align-items: end;
      background:
        linear-gradient(180deg, rgba(42, 16, 39, .05), rgba(75, 24, 60, .72)),
        repeating-linear-gradient(135deg, rgba(155, 94, 98, .22) 0 1px, transparent 1px 18px),
        var(--paper-3);
      color: var(--paper);
    }

    .seed-cover b {
      font-size: 18px;
      line-height: 1.35;
    }

    .seed-body {
      padding: 18px;
    }

    .seed-body p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 14px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      margin-top: 34px;
    }

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

    .news-link {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 0;
      border-bottom: 1px solid var(--line);
    }

    .news-link:hover h3 {
      color: var(--plum);
    }

    .news-date {
      color: var(--rose);
      font-weight: 800;
      font-size: 13px;
    }

    .news-link h3 {
      font-size: 19px;
      font-weight: 800;
      margin: 0 0 6px;
      transition: var(--ease);
    }

    .news-link p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .side-recommend {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }

    .side-recommend h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .side-row {
      display: flex;
      gap: 14px;
      padding: 15px 0;
      border-top: 1px solid rgba(75, 24, 60, .1);
    }

    .side-row:first-of-type {
      border-top: 0;
      padding-top: 0;
    }

    .side-index {
      color: var(--rose);
      font-weight: 900;
    }

    .side-row p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 34px;
    }

    .recommend-item {
      padding: 22px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .recommend-item h3 {
      font-size: 19px;
      font-weight: 800;
      margin: 12px 0 10px;
    }

    .recommend-item p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 18px;
    }

    .proof-band {
      background:
        linear-gradient(135deg, rgba(75, 24, 60, .09), rgba(215, 195, 172, .28)),
        var(--paper);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 34px;
    }

    .proof-card {
      padding: 24px;
    }

    .proof-card strong {
      display: block;
      font-size: 32px;
      line-height: 1.1;
      color: var(--plum);
      margin-bottom: 10px;
    }

    .proof-card p {
      margin: 0;
      color: var(--muted);
    }

    .accordion {
      margin-top: 34px;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 8px !important;
      overflow: hidden;
      background: rgba(255, 255, 255, .7);
      box-shadow: var(--shadow-soft);
    }

    .accordion-button {
      min-height: 58px;
      color: var(--ink);
      background: rgba(255, 250, 243, .7);
      font-weight: 800;
      box-shadow: none;
      line-height: 1.45;
    }

    .accordion-button:not(.collapsed) {
      color: var(--plum);
      background: var(--white);
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: none;
      border-color: transparent;
    }

    .accordion-button::after {
      filter: sepia(1) saturate(2) hue-rotate(285deg);
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
      line-height: 1.85;
    }

    .cta-panel {
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(42, 16, 39, .96), rgba(75, 24, 60, .9)),
        repeating-linear-gradient(90deg, rgba(255, 250, 243, .08) 0 1px, transparent 1px 44px);
      color: var(--paper);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .cta-panel h2 {
      font-size: clamp(28px, 4vw, 40px);
      font-weight: 900;
      margin-bottom: 14px;
    }

    .cta-panel p {
      color: rgba(255, 250, 243, .74);
      max-width: 720px;
      margin: 0;
    }

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

    .cta-actions .btn-ghost {
      color: var(--paper);
      background: rgba(255, 250, 243, .08);
      border-color: rgba(255, 250, 243, .24);
    }

    .cta-actions .btn-ghost:hover {
      color: var(--paper);
      background: rgba(255, 250, 243, .14);
    }

    .site-footer {
      background: var(--ink);
      color: var(--paper);
      padding: 58px 0 34px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .9fr .9fr;
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 12px;
      color: var(--white);
    }

    .footer-text {
      color: rgba(255, 250, 243, .68);
      margin: 0;
      max-width: 460px;
    }

    .footer-title {
      font-weight: 900;
      margin-bottom: 14px;
      color: var(--white);
    }

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

    .footer-links a {
      color: rgba(255, 250, 243, .68);
    }

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

    .copyright {
      border-top: 1px solid var(--line-dark);
      margin-top: 36px;
      padding-top: 22px;
      color: rgba(255, 250, 243, .55);
      font-size: 14px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    @media (max-width: 1199px) {
      .topic-rail,
      .recommend-grid,
      .seed-scroll {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .rail-card:nth-child(2n) {
        border-right: 0;
      }
    }

    @media (max-width: 991px) {
      :root {
        --nav-h: 68px;
      }

      .navbar-collapse {
        padding: 14px 0 18px;
      }

      .nav-menu {
        align-items: stretch;
      }

      .nav-link,
      .nav-badge,
      .navbar .btn-brand {
        width: 100%;
        justify-content: flex-start;
      }

      .hero {
        min-height: 640px;
      }

      .hero::after {
        width: 62vw;
        height: 260px;
        top: 110px;
        right: -60px;
        opacity: .3;
      }

      .countdown-bar {
        position: relative;
        left: auto;
        bottom: auto;
        transform: none;
        margin: -34px auto 0;
        grid-template-columns: 1fr;
      }

      .directory {
        padding-top: 82px;
      }

      .directory-layout,
      .featured-grid,
      .news-layout,
      .cta-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .directory-note {
        position: relative;
        top: auto;
        min-height: auto;
      }

      .partition-card,
      .partition-card:nth-child(1),
      .partition-card:nth-child(2) {
        grid-column: span 6;
      }

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

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

    @media (max-width: 767px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .section-pad {
        padding: 64px 0;
      }

      .hero-inner {
        width: min(100% - 28px, 1320px);
        padding: 92px 0 46px;
      }

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

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

      .hero-strip {
        grid-template-columns: 1fr;
      }

      .hero-stat {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 250, 243, .16);
      }

      .hero-stat:last-child {
        border-bottom: 0;
      }

      .directory-item {
        grid-template-columns: 48px 1fr;
      }

      .directory-item .badge-soft {
        grid-column: 2;
        width: fit-content;
      }

      .topic-rail,
      .recommend-grid,
      .seed-scroll {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 10px;
      }

      .rail-card,
      .recommend-item,
      .seed-card {
        min-width: 78vw;
        scroll-snap-align: start;
      }

      .rail-card {
        border-right: 1px solid var(--line);
      }

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

      .partition-card,
      .partition-card:nth-child(1),
      .partition-card:nth-child(2) {
        grid-column: span 1;
      }

      .news-link {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .cta-panel {
        padding: 30px 22px;
      }

      .btn-brand {
        width: 100%;
      }

      .hero-actions .btn-brand,
      .countdown-bar .btn-brand,
      .cta-actions .btn-brand {
        width: 100%;
      }

      .navbar-brand {
        max-width: 260px;
        font-size: 16px;
      }
    }

    @media (max-width: 520px) {
      .section-title {
        font-size: 28px;
      }

      .hero h1 {
        font-size: 31px;
      }

      .compact-head {
        display: grid;
        gap: 10px;
      }

      .side-row {
        display: grid;
      }
    }

/* roulang page: category1 */
:root {
      --ink: #191416;
      --ink-soft: #4f4549;
      --muted: #766b70;
      --line: #e8dedf;
      --paper: #fffaf4;
      --paper-2: #f6efea;
      --paper-3: #efe4df;
      --plum: #4b1634;
      --plum-deep: #2b0e20;
      --rose: #9a5b62;
      --rose-soft: #ead6d4;
      --champagne: #d7c5b2;
      --white: #ffffff;
      --shadow: 0 18px 46px rgba(43, 14, 32, .09);
      --shadow-sm: 0 10px 24px rgba(43, 14, 32, .07);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1200px;
      --focus: 0 0 0 4px rgba(154, 91, 98, .18);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 5%, rgba(154, 91, 98, .08), transparent 28%),
        linear-gradient(180deg, #fffaf4 0%, #f8f0ea 42%, #fffaf4 100%);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.78;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }

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

    button,
    input {
      font: inherit;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 250, 244, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(232, 222, 223, .88);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--ink);
      font-weight: 800;
      font-size: 18px;
      white-space: normal;
      max-width: 420px;
      line-height: 1.25;
    }

    .navbar-brand:hover {
      color: var(--plum);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 38px;
      color: var(--white);
      background: linear-gradient(135deg, var(--plum), var(--rose));
      border-radius: 8px;
      box-shadow: 0 12px 24px rgba(75, 22, 52, .2);
      font-weight: 800;
    }

    .nav-menu {
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      color: var(--ink-soft);
      font-weight: 600;
      padding: 10px 12px !important;
      border-radius: 7px;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--plum);
      background: rgba(154, 91, 98, .09);
    }

    .nav-link.active {
      color: var(--plum);
      background: var(--rose-soft);
    }

    .nav-badge {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 6px 11px;
      border: 1px solid rgba(154, 91, 98, .22);
      border-radius: 999px;
      color: var(--rose);
      background: rgba(255, 255, 255, .66);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: 7px;
      padding: 9px 10px;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: var(--focus);
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: 7px;
      border: 1px solid transparent;
      font-weight: 800;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-main {
      color: var(--white);
      background: var(--plum);
      box-shadow: 0 12px 26px rgba(75, 22, 52, .18);
    }

    .btn-main:hover,
    .btn-main:focus {
      color: var(--white);
      background: var(--plum-deep);
      transform: translateY(-1px);
      box-shadow: 0 16px 32px rgba(75, 22, 52, .24);
    }

    .btn-ghost {
      color: var(--plum);
      background: rgba(255, 255, 255, .68);
      border-color: rgba(75, 22, 52, .18);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: var(--plum-deep);
      border-color: rgba(75, 22, 52, .36);
      background: #fff;
      transform: translateY(-1px);
    }

    .btn-text {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--plum);
      font-weight: 800;
      text-decoration: underline;
      text-underline-offset: 5px;
    }

    .btn-text:hover {
      color: var(--rose);
    }

    .page-main {
      overflow: hidden;
    }

    .category-hero {
      padding: 74px 0 54px;
      border-bottom: 1px solid rgba(232, 222, 223, .72);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr);
      gap: 34px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(154, 91, 98, .11);
      color: var(--plum);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--rose);
    }

    h1,
    h2,
    h3 {
      margin: 0;
      color: var(--ink);
      letter-spacing: 0;
    }

    h1 {
      max-width: 780px;
      font-size: clamp(32px, 4.2vw, 52px);
      line-height: 1.14;
      font-weight: 800;
    }

    h2 {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.22;
      font-weight: 800;
    }

    h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 800;
    }

    .hero-copy {
      margin: 20px 0 0;
      max-width: 760px;
      color: var(--ink-soft);
      font-size: 18px;
    }

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

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 6px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(154, 91, 98, .18);
      color: var(--ink-soft);
      font-size: 13px;
      font-weight: 700;
    }

    .invite-panel {
      position: relative;
      min-height: 100%;
      padding: 28px;
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(75, 22, 52, .95), rgba(25, 20, 22, .96)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 28px);
      border-radius: 10px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .invite-panel::after {
      content: "";
      position: absolute;
      inset: auto -60px -70px auto;
      width: 190px;
      height: 190px;
      background: linear-gradient(135deg, rgba(215, 197, 178, .36), rgba(154, 91, 98, .08));
      transform: rotate(18deg);
      border-radius: 18px;
    }

    .panel-inner {
      position: relative;
      z-index: 1;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }

    .panel-title strong {
      font-size: 18px;
      line-height: 1.35;
    }

    .panel-chip {
      flex: 0 0 auto;
      padding: 5px 9px;
      border-radius: 999px;
      color: #3a1729;
      background: var(--champagne);
      font-size: 12px;
      font-weight: 800;
    }

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

    .reward-list li {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: 8px;
    }

    .reward-num {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 7px;
      background: rgba(255, 250, 244, .14);
      color: var(--champagne);
      font-weight: 800;
    }

    .reward-list b {
      display: block;
      margin-bottom: 2px;
      color: #fffaf4;
      font-size: 15px;
    }

    .reward-list span {
      color: rgba(255, 250, 244, .74);
      font-size: 13px;
      line-height: 1.65;
    }

    .progress-wrap {
      margin-top: 22px;
      padding: 16px;
      border: 1px solid rgba(255, 255, 255, .13);
      border-radius: 8px;
      background: rgba(255, 255, 255, .07);
    }

    .progress-label {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: rgba(255, 250, 244, .82);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .progress {
      height: 9px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .14);
    }

    .progress-bar {
      background: linear-gradient(90deg, var(--champagne), #fff1dd);
      border-radius: 999px;
    }

    .section {
      padding: 88px 0;
    }

    .section-tight {
      padding: 70px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(280px, .42fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .filter-shell {
      background: rgba(255, 255, 255, .72);
      border: 1px solid var(--line);
      border-radius: 10px;
      box-shadow: var(--shadow-sm);
      padding: 18px;
    }

    .nav-pills {
      gap: 8px;
    }

    .nav-pills .nav-link {
      border: 1px solid rgba(154, 91, 98, .16);
      background: rgba(255, 250, 244, .78);
      color: var(--ink-soft);
      font-size: 14px;
      font-weight: 800;
      min-height: 42px;
    }

    .nav-pills .nav-link.active {
      color: var(--white);
      background: var(--plum);
      border-color: var(--plum);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(240px, .34fr) minmax(0, .66fr);
      gap: 28px;
      align-items: start;
    }

    .side-index {
      position: sticky;
      top: 104px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .74);
      box-shadow: var(--shadow-sm);
    }

    .side-index h2 {
      font-size: 22px;
      margin-bottom: 14px;
    }

    .index-links {
      display: grid;
      gap: 8px;
    }

    .index-links a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 46px;
      padding: 10px 12px;
      border: 1px solid rgba(232, 222, 223, .92);
      border-radius: 7px;
      color: var(--ink-soft);
      background: rgba(255, 250, 244, .66);
      font-weight: 700;
    }

    .index-links a:hover,
    .index-links a:focus {
      color: var(--plum);
      border-color: rgba(154, 91, 98, .38);
      background: #fff;
    }

    .index-links small {
      color: var(--rose);
      font-weight: 800;
    }

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

    .entry-card {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .76);
      box-shadow: 0 10px 24px rgba(43, 14, 32, .04);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(154, 91, 98, .34);
      box-shadow: var(--shadow-sm);
    }

    .entry-cover {
      width: 92px;
      height: 92px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, rgba(75, 22, 52, .95), rgba(154, 91, 98, .72)),
        linear-gradient(45deg, transparent 0 48%, rgba(255,255,255,.24) 48% 52%, transparent 52%);
      position: relative;
      overflow: hidden;
    }

    .entry-cover::after {
      content: "中";
      position: absolute;
      right: 10px;
      bottom: 6px;
      color: rgba(255, 250, 244, .82);
      font-size: 30px;
      font-weight: 800;
    }

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

    .entry-card h3 {
      margin-bottom: 6px;
    }

    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .mini-badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 4px 8px;
      border-radius: 999px;
      color: var(--plum);
      background: rgba(154, 91, 98, .11);
      font-size: 12px;
      font-weight: 800;
    }

    .feature-band {
      background: var(--ink);
      color: var(--white);
      border-block: 1px solid rgba(255,255,255,.08);
    }

    .feature-band h2,
    .feature-band h3 {
      color: var(--white);
    }

    .feature-band .section-head p {
      color: rgba(255, 250, 244, .68);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
    }

    .proof-card {
      padding: 26px;
      border-radius: 8px;
      background: rgba(255, 250, 244, .07);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .proof-card p {
      margin: 12px 0 0;
      color: rgba(255, 250, 244, .72);
    }

    .metric-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .metric {
      padding: 16px;
      border-radius: 8px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .metric strong {
      display: block;
      color: var(--champagne);
      font-size: 24px;
      line-height: 1.1;
    }

    .metric span {
      color: rgba(255, 250, 244, .68);
      font-size: 13px;
    }

    .steps {
      display: grid;
      gap: 12px;
      counter-reset: step;
    }

    .step-item {
      counter-increment: step;
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: 8px;
      background: rgba(255, 250, 244, .07);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .step-item::before {
      content: counter(step, decimal-leading-zero);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      color: var(--plum-deep);
      background: var(--champagne);
      font-weight: 800;
    }

    .step-item p {
      margin: 5px 0 0;
      color: rgba(255, 250, 244, .68);
      font-size: 14px;
    }

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

    .recommend-card {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, .72);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .recommend-card:hover {
      transform: translateY(-2px);
      border-color: rgba(154, 91, 98, .34);
      box-shadow: var(--shadow-sm);
    }

    .recommend-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
      color: var(--rose);
      font-weight: 800;
      font-size: 13px;
    }

    .recommend-card p {
      margin: 8px 0 16px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 8px !important;
      background: rgba(255, 255, 255, .74);
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(43, 14, 32, .035);
    }

    .accordion-button {
      color: var(--ink);
      background: transparent;
      font-weight: 800;
      padding: 18px 20px;
      box-shadow: none;
      line-height: 1.45;
    }

    .accordion-button:not(.collapsed) {
      color: var(--plum);
      background: rgba(154, 91, 98, .08);
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: var(--focus);
      border-color: transparent;
    }

    .accordion-button::after {
      filter: sepia(1) hue-rotate(285deg) saturate(1.1);
    }

    .accordion-body {
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta-block {
      position: relative;
      padding: 36px;
      border-radius: 10px;
      background:
        linear-gradient(135deg, rgba(75, 22, 52, .96), rgba(25, 20, 22, .96)),
        linear-gradient(90deg, rgba(215, 197, 178, .18), transparent);
      color: var(--white);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .cta-block::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size: 36px 36px;
      opacity: .28;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 26px;
      align-items: center;
    }

    .cta-block h2 {
      color: var(--white);
      margin-bottom: 10px;
    }

    .cta-block p {
      margin: 0;
      color: rgba(255, 250, 244, .72);
      max-width: 720px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .cta-actions .btn-ghost {
      background: rgba(255, 250, 244, .09);
      color: var(--white);
      border-color: rgba(255, 255, 255, .22);
    }

    .cta-actions .btn-ghost:hover {
      background: rgba(255, 250, 244, .16);
      color: var(--white);
    }

    .site-footer {
      padding: 54px 0 30px;
      background: #171113;
      color: rgba(255, 250, 244, .82);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .75fr .7fr;
      gap: 32px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand {
      color: #fffaf4;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .footer-text {
      margin: 0;
      max-width: 520px;
      color: rgba(255, 250, 244, .66);
    }

    .footer-title {
      color: #fffaf4;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(255, 250, 244, .66);
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--champagne);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 22px;
      color: rgba(255, 250, 244, .52);
      font-size: 13px;
    }

    @media (max-width: 991.98px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .navbar {
        min-height: 70px;
      }

      .navbar-collapse {
        padding: 14px 0 18px;
      }

      .nav-menu {
        align-items: stretch;
        gap: 6px;
      }

      .nav-badge {
        justify-content: center;
        width: fit-content;
        margin: 6px 0;
      }

      .nav-menu .btn-brand {
        width: 100%;
      }

      .hero-grid,
      .section-head,
      .content-layout,
      .proof-grid,
      .cta-inner,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .category-hero {
        padding: 52px 0 42px;
      }

      .section {
        padding: 68px 0;
      }

      .section-tight {
        padding: 56px 0;
      }

      .side-index {
        position: static;
      }

      .index-links {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .index-links a {
        min-width: 190px;
      }

      .entry-card {
        grid-template-columns: 76px 1fr;
      }

      .entry-card .btn-text {
        grid-column: 2;
        justify-self: start;
      }

      .entry-cover {
        width: 76px;
        height: 76px;
      }

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

    @media (max-width: 575.98px) {
      .navbar-brand {
        font-size: 15px;
        max-width: 255px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
      }

      h1 {
        font-size: 32px;
      }

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

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

      .btn-brand {
        width: 100%;
        min-height: 46px;
      }

      .invite-panel,
      .filter-shell,
      .side-index,
      .cta-block {
        padding: 20px;
      }

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

      .entry-cover {
        width: 100%;
        height: 120px;
      }

      .entry-card .btn-text {
        grid-column: auto;
      }

      .recommend-grid,
      .metric-row {
        grid-template-columns: 1fr;
      }

      .copyright {
        display: grid;
      }
    }

/* roulang page: category2 */
:root {
      --color-ink: #1b171b;
      --color-ink-soft: #3f343d;
      --color-muted: #756872;
      --color-bg: #fbf7f1;
      --color-panel: #fffdf8;
      --color-panel-2: #f3ece6;
      --color-line: #e4d9d1;
      --color-deep: #3a1430;
      --color-deep-2: #24101f;
      --color-rose: #9b5d66;
      --color-rose-soft: #f0dde0;
      --color-champagne: #d9c5ab;
      --color-ivory: #fff8ec;
      --shadow-soft: 0 18px 45px rgba(58, 20, 48, .10);
      --shadow-card: 0 12px 30px rgba(36, 16, 31, .08);
      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --container: 1200px;
      --transition: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 96px;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 10% 2%, rgba(155, 93, 102, .13), transparent 28%),
        linear-gradient(180deg, #fffaf4 0%, var(--color-bg) 42%, #f7efe8 100%);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

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

    button,
    input {
      font: inherit;
    }

    :focus-visible {
      outline: 3px solid rgba(155, 93, 102, .35);
      outline-offset: 3px;
      border-radius: var(--radius-sm);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 248, 236, .92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(228, 217, 209, .8);
      box-shadow: 0 8px 24px rgba(36, 16, 31, .04);
    }

    .navbar {
      min-height: 78px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--color-deep);
      font-weight: 800;
      font-size: 18px;
      white-space: normal;
      max-width: 420px;
      line-height: 1.35;
    }

    .navbar-brand:hover {
      color: var(--color-deep);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--color-deep), #5a274d);
      color: var(--color-ivory);
      font-weight: 800;
      box-shadow: 0 10px 22px rgba(58, 20, 48, .2);
    }

    .nav-menu {
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      color: var(--color-ink-soft);
      font-weight: 600;
      padding: 10px 12px !important;
      border-radius: var(--radius-sm);
      min-height: 44px;
      display: inline-flex;
      align-items: center;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-deep);
      background: rgba(155, 93, 102, .11);
    }

    .nav-badge {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 6px 10px;
      border: 1px solid rgba(155, 93, 102, .26);
      border-radius: var(--radius-sm);
      background: rgba(255, 253, 248, .86);
      color: var(--color-rose);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
    }

    .navbar-toggler {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      width: 44px;
      height: 44px;
      padding: 0;
      background: var(--color-panel);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(155, 93, 102, .16);
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      border: 1px solid transparent;
      transition: var(--transition);
      cursor: pointer;
      line-height: 1.35;
      text-align: center;
    }

    .btn-main {
      background: var(--color-deep);
      color: var(--color-ivory);
      box-shadow: 0 12px 24px rgba(58, 20, 48, .18);
    }

    .btn-main:hover,
    .btn-main:active {
      background: var(--color-deep-2);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 16px 30px rgba(58, 20, 48, .24);
    }

    .btn-ghost {
      background: rgba(255, 253, 248, .72);
      color: var(--color-deep);
      border-color: rgba(58, 20, 48, .18);
    }

    .btn-ghost:hover {
      background: #fff;
      color: var(--color-deep);
      border-color: rgba(58, 20, 48, .42);
      transform: translateY(-1px);
    }

    .btn-text {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-deep);
      font-weight: 800;
      text-decoration: underline;
      text-decoration-color: rgba(155, 93, 102, .38);
      text-underline-offset: 5px;
    }

    .btn-text:hover {
      color: var(--color-rose);
      text-decoration-color: var(--color-rose);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 88px 0;
    }

    .section-tight {
      padding: 64px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 10px;
      border: 1px solid rgba(155, 93, 102, .24);
      border-radius: var(--radius-sm);
      background: rgba(240, 221, 224, .54);
      color: var(--color-rose);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .page-hero {
      padding: 72px 0 54px;
      position: relative;
    }

    .hero-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 390px;
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 520px;
      padding: 46px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(120deg, rgba(58, 20, 48, .94), rgba(36, 16, 31, .92)),
        linear-gradient(135deg, rgba(217, 197, 171, .25), transparent);
      color: var(--color-ivory);
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      inset: auto -120px -160px auto;
      width: 420px;
      height: 420px;
      background:
        linear-gradient(135deg, rgba(217, 197, 171, .32), rgba(155, 93, 102, .08));
      transform: rotate(-12deg);
      border-radius: 42px;
      opacity: .75;
    }

    .hero-copy > * {
      position: relative;
      z-index: 1;
    }

    h1,
    h2,
    h3,
    h4 {
      margin: 0;
      letter-spacing: 0;
      line-height: 1.18;
    }

    h1 {
      font-size: 48px;
      font-weight: 800;
      max-width: 780px;
    }

    .hero-lead {
      margin: 24px 0 0;
      max-width: 760px;
      color: rgba(255, 248, 236, .82);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 26px 0 34px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      background: rgba(255, 248, 236, .12);
      color: rgba(255, 248, 236, .92);
      border: 1px solid rgba(255, 248, 236, .18);
      font-size: 13px;
      font-weight: 700;
    }

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

    .hero-note {
      margin-top: 36px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 760px;
    }

    .note-box {
      padding: 16px;
      border: 1px solid rgba(255, 248, 236, .16);
      border-radius: var(--radius-md);
      background: rgba(255, 248, 236, .08);
    }

    .note-box strong {
      display: block;
      color: #fff;
      font-size: 20px;
      line-height: 1.2;
      margin-bottom: 5px;
    }

    .note-box span {
      color: rgba(255, 248, 236, .68);
      font-size: 13px;
    }

    .coupon-wall {
      display: grid;
      gap: 14px;
    }

    .coupon-card {
      border: 1px solid rgba(155, 93, 102, .22);
      border-radius: var(--radius-lg);
      background: var(--color-panel);
      box-shadow: var(--shadow-card);
      padding: 22px;
      position: relative;
      overflow: hidden;
    }

    .coupon-card.main {
      min-height: 285px;
      background:
        linear-gradient(145deg, #fffdf8 0%, #f7ede6 58%, #ead9cf 100%);
      border-color: rgba(58, 20, 48, .18);
    }

    .coupon-card::before,
    .coupon-card::after {
      content: "";
      position: absolute;
      top: 50%;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--color-bg);
      transform: translateY(-50%);
      border: 1px solid rgba(155, 93, 102, .14);
    }

    .coupon-card::before {
      left: -12px;
    }

    .coupon-card::after {
      right: -12px;
    }

    .coupon-kicker {
      color: var(--color-rose);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 14px;
    }

    .coupon-title {
      color: var(--color-deep);
      font-size: 28px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 12px;
    }

    .coupon-text {
      color: var(--color-muted);
      margin: 0 0 20px;
    }

    .coupon-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 18px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: var(--radius-sm);
      background: rgba(155, 93, 102, .10);
      color: var(--color-deep);
      font-size: 12px;
      font-weight: 800;
      border: 1px solid rgba(155, 93, 102, .15);
    }

    .coupon-mini {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255, 253, 248, .82);
      border: 1px solid var(--color-line);
    }

    .coupon-mini span {
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: var(--color-deep);
      color: #fff;
      font-weight: 800;
    }

    .coupon-mini h3 {
      font-size: 17px;
      color: var(--color-deep);
      font-weight: 800;
      margin-bottom: 4px;
    }

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

    .summary-strip {
      padding: 24px 0 0;
    }

    .summary-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: stretch;
    }

    .summary-card {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: rgba(255, 253, 248, .78);
      padding: 24px;
      box-shadow: 0 8px 22px rgba(36, 16, 31, .04);
    }

    .summary-card h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--color-deep);
      margin-bottom: 12px;
    }

    .summary-card p {
      margin: 0;
      color: var(--color-muted);
    }

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

    .quick-list li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(228, 217, 209, .72);
      color: var(--color-ink-soft);
      font-weight: 600;
    }

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

    .quick-list small {
      color: var(--color-rose);
      font-weight: 800;
      white-space: nowrap;
    }

    .index-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .side-index {
      position: sticky;
      top: 100px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: rgba(255, 253, 248, .82);
      box-shadow: var(--shadow-card);
      padding: 18px;
    }

    .side-index-title {
      color: var(--color-deep);
      font-weight: 800;
      margin-bottom: 12px;
    }

    .index-tabs {
      display: grid;
      gap: 8px;
    }

    .index-tabs a {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      padding: 11px 12px;
      border-radius: var(--radius-sm);
      color: var(--color-ink-soft);
      background: transparent;
      border: 1px solid transparent;
      font-weight: 700;
    }

    .index-tabs a:hover,
    .index-tabs a.active {
      background: rgba(155, 93, 102, .10);
      border-color: rgba(155, 93, 102, .18);
      color: var(--color-deep);
    }

    .index-tabs small {
      color: var(--color-rose);
      font-weight: 800;
    }

    .content-groups {
      display: grid;
      gap: 22px;
    }

    .group-panel {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-panel);
      box-shadow: var(--shadow-card);
      padding: 26px;
    }

    .group-head {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: flex-start;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(228, 217, 209, .76);
      margin-bottom: 18px;
    }

    .group-head h2 {
      color: var(--color-deep);
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .group-head p {
      margin: 0;
      color: var(--color-muted);
      max-width: 720px;
    }

    .group-code {
      flex: 0 0 auto;
      color: var(--color-rose);
      font-weight: 900;
      font-size: 14px;
      padding: 7px 10px;
      border-radius: var(--radius-sm);
      background: var(--color-rose-soft);
      border: 1px solid rgba(155, 93, 102, .18);
    }

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

    .entry-item {
      display: grid;
      grid-template-columns: 54px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border: 1px solid rgba(228, 217, 209, .9);
      border-radius: var(--radius-md);
      background: rgba(251, 247, 241, .56);
      transition: var(--transition);
    }

    .entry-item:hover {
      border-color: rgba(155, 93, 102, .35);
      background: #fffdf8;
      box-shadow: 0 10px 24px rgba(36, 16, 31, .07);
      transform: translateY(-1px);
    }

    .entry-no {
      width: 54px;
      height: 54px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: var(--color-deep);
      color: var(--color-ivory);
      font-weight: 900;
    }

    .entry-copy h3 {
      color: var(--color-ink);
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 5px;
    }

    .entry-copy p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.65;
    }

    .entry-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: 10px;
    }

    .entry-action {
      white-space: nowrap;
    }

    .recommend-band {
      background: linear-gradient(180deg, rgba(36, 16, 31, .96), rgba(58, 20, 48, .94));
      color: var(--color-ivory);
    }

    .section-title-row {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-title-row h2 {
      font-size: 34px;
      font-weight: 800;
      color: inherit;
    }

    .section-title-row p {
      margin: 0;
      color: rgba(255, 248, 236, .72);
    }

    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .recommend-card {
      min-height: 220px;
      padding: 20px;
      border-radius: var(--radius-md);
      background: rgba(255, 248, 236, .08);
      border: 1px solid rgba(255, 248, 236, .16);
      transition: var(--transition);
    }

    .recommend-card:hover {
      background: rgba(255, 248, 236, .13);
      transform: translateY(-2px);
      border-color: rgba(217, 197, 171, .42);
    }

    .recommend-card .num {
      color: var(--color-champagne);
      font-weight: 900;
      margin-bottom: 28px;
      display: block;
    }

    .recommend-card h3 {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .recommend-card p {
      color: rgba(255, 248, 236, .68);
      margin: 0;
      font-size: 15px;
      line-height: 1.7;
    }

    .process-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
    }

    .process-lead {
      padding: 30px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-panel);
      box-shadow: var(--shadow-card);
    }

    .process-lead h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--color-deep);
      margin-bottom: 14px;
    }

    .process-lead p {
      color: var(--color-muted);
      margin-bottom: 22px;
    }

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

    .step-item {
      display: grid;
      grid-template-columns: 42px minmax(0, 1fr);
      gap: 14px;
      padding: 18px;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-line);
      background: rgba(255, 253, 248, .76);
    }

    .step-item span {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      background: var(--color-rose-soft);
      color: var(--color-deep);
      font-weight: 900;
    }

    .step-item h3 {
      font-size: 18px;
      font-weight: 800;
      color: var(--color-deep);
      margin-bottom: 5px;
    }

    .step-item p {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .faq-wrap {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-heading {
      text-align: left;
      margin-bottom: 24px;
    }

    .faq-heading h2 {
      color: var(--color-deep);
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 12px;
    }

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

    .accordion {
      display: grid;
      gap: 10px;
    }

    .accordion-item {
      border: 1px solid var(--color-line) !important;
      border-radius: var(--radius-md) !important;
      overflow: hidden;
      background: var(--color-panel);
      box-shadow: 0 8px 20px rgba(36, 16, 31, .04);
    }

    .accordion-button {
      background: var(--color-panel);
      color: var(--color-ink);
      font-weight: 800;
      padding: 18px 20px;
      box-shadow: none !important;
      line-height: 1.5;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(240, 221, 224, .45);
      color: var(--color-deep);
    }

    .accordion-button::after {
      filter: sepia(1) saturate(1.3) hue-rotate(285deg);
    }

    .accordion-body {
      color: var(--color-muted);
      padding: 0 20px 20px;
      line-height: 1.85;
    }

    .cta-section {
      padding: 86px 0 96px;
    }

    .cta-box {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 24px;
      align-items: center;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255, 253, 248, .95), rgba(243, 236, 230, .92));
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      padding: 34px;
    }

    .cta-box h2 {
      color: var(--color-deep);
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .cta-box p {
      margin: 0;
      color: var(--color-muted);
      max-width: 760px;
    }

    .action-panel {
      display: grid;
      gap: 12px;
    }

    .input-row {
      display: flex;
      gap: 10px;
    }

    .input-row input {
      width: 100%;
      min-height: 48px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: #fff;
      color: var(--color-ink);
      padding: 0 13px;
      transition: var(--transition);
    }

    .input-row input:focus {
      border-color: rgba(155, 93, 102, .62);
      box-shadow: 0 0 0 4px rgba(155, 93, 102, .14);
      outline: 0;
    }

    .site-footer {
      background: #181217;
      color: rgba(255, 248, 236, .82);
      padding: 58px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(180px, .6fr) minmax(180px, .6fr);
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 248, 236, .12);
    }

    .footer-brand {
      color: #fff;
      font-weight: 800;
      font-size: 20px;
      margin-bottom: 12px;
    }

    .footer-text {
      max-width: 520px;
      margin: 0;
      color: rgba(255, 248, 236, .64);
    }

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

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

    .footer-links a {
      color: rgba(255, 248, 236, .68);
    }

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

    .copyright {
      padding-top: 22px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      color: rgba(255, 248, 236, .52);
      font-size: 14px;
    }

    @media (max-width: 1199px) {
      .hero-shell {
        grid-template-columns: minmax(0, 1fr) 340px;
      }

      h1 {
        font-size: 42px;
      }

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

    @media (max-width: 991px) {
      .site-container {
        width: min(100% - 32px, var(--container));
      }

      .navbar {
        min-height: 70px;
      }

      .navbar-collapse {
        margin-top: 12px;
        padding: 14px;
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        background: rgba(255, 253, 248, .98);
        box-shadow: var(--shadow-card);
      }

      .nav-menu {
        align-items: stretch;
        gap: 6px;
      }

      .nav-link,
      .nav-badge,
      .nav-menu .btn-brand {
        width: 100%;
        justify-content: flex-start;
      }

      .hero-shell,
      .summary-grid,
      .index-layout,
      .process-grid,
      .cta-box,
      .section-title-row {
        grid-template-columns: 1fr;
      }

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

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

      .coupon-card.main {
        grid-column: 1 / -1;
      }

      .side-index {
        position: static;
      }

      .index-tabs {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .index-tabs a {
        flex: 0 0 auto;
        min-width: 150px;
      }

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

    @media (max-width: 767px) {
      body {
        font-size: 15px;
      }

      .section {
        padding: 62px 0;
      }

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

      .page-hero {
        padding: 48px 0 34px;
      }

      h1 {
        font-size: 34px;
      }

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

      .hero-copy {
        padding: 26px;
        border-radius: var(--radius-md);
      }

      .hero-note {
        grid-template-columns: 1fr;
      }

      .coupon-wall,
      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .summary-card h2,
      .group-head h2,
      .process-lead h2,
      .faq-heading h2,
      .cta-box h2,
      .section-title-row h2 {
        font-size: 27px;
      }

      .group-head {
        flex-direction: column;
      }

      .entry-item {
        grid-template-columns: 44px minmax(0, 1fr);
        align-items: flex-start;
      }

      .entry-no {
        width: 44px;
        height: 44px;
      }

      .entry-action {
        grid-column: 2;
        white-space: normal;
      }

      .entry-action .btn-brand,
      .hero-actions .btn-brand,
      .action-panel .btn-brand {
        width: 100%;
      }

      .input-row {
        flex-direction: column;
      }

      .coupon-title {
        font-size: 24px;
      }

      .copyright {
        display: grid;
      }
    }

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

      .navbar-brand {
        font-size: 15px;
        gap: 9px;
        max-width: calc(100vw - 96px);
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
      }

      h1 {
        font-size: 31px;
      }

      .hero-copy,
      .group-panel,
      .summary-card,
      .process-lead,
      .cta-box {
        padding: 22px;
      }

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

      .tag,
      .pill {
        white-space: normal;
      }
    }