/* roulang page: index */
:root {
      --color-ink: #13251f;
      --color-muted: #66746f;
      --color-soft: #f6f1e8;
      --color-paper: #fffdf8;
      --color-card: #ffffff;
      --color-line: rgba(19, 37, 31, .12);
      --color-primary: #0c6f5b;
      --color-primary-2: #19a085;
      --color-accent: #ff8a5b;
      --color-amber: #f7bd4b;
      --color-purple: #766a96;
      --gradient-main: linear-gradient(135deg, #0b5f52 0%, #1ea586 52%, #ff8a5b 100%);
      --gradient-soft: linear-gradient(135deg, rgba(12, 111, 91, .12), rgba(255, 138, 91, .16));
      --shadow-soft: 0 18px 45px rgba(26, 52, 44, .12);
      --shadow-hover: 0 24px 60px rgba(26, 52, 44, .18);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-pill: 999px;
      --container: 1180px;
      --section-space: 88px;
      --ease: all .28s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 8% 10%, rgba(30, 160, 133, .13), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(255, 138, 91, .14), transparent 30%),
        linear-gradient(180deg, #fbf7ee 0%, #fffdf8 42%, #f7fbf8 100%);
      line-height: 1.72;
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: var(--color-primary);
      outline: none;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    button,
    .button {
      transition: var(--ease);
    }

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

    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      padding: 14px 0;
      background: rgba(255, 253, 248, .86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(19, 37, 31, .08);
    }

    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px;
      border: 1px solid rgba(19, 37, 31, .10);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .72);
      box-shadow: 0 10px 32px rgba(26, 52, 44, .08);
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 7px 12px 7px 8px;
      border-radius: var(--radius-pill);
      font-weight: 900;
      letter-spacing: -.02em;
      color: var(--color-ink);
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      color: #fff;
      border-radius: 12px;
      background: var(--gradient-main);
      box-shadow: 0 10px 24px rgba(12, 111, 91, .28);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex: 1;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 10px 15px;
      border-radius: var(--radius-pill);
      color: #40514b;
      font-size: 14px;
      font-weight: 750;
      border: 1px solid transparent;
    }

    .nav-link:hover {
      background: rgba(12, 111, 91, .08);
      border-color: rgba(12, 111, 91, .13);
      color: var(--color-primary);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, #0c6f5b, #1ea586);
      box-shadow: 0 12px 28px rgba(12, 111, 91, .20);
    }

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

    .nav-cta,
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 12px 18px;
      border-radius: var(--radius-pill);
      border: 0;
      color: #fff !important;
      font-weight: 850;
      background: var(--gradient-main);
      box-shadow: 0 14px 30px rgba(12, 111, 91, .24);
      cursor: pointer;
    }

    .nav-cta:hover,
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      filter: saturate(1.08);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 12px 18px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      border: 1px solid rgba(12, 111, 91, .22);
      background: rgba(255, 255, 255, .76);
      font-weight: 850;
      box-shadow: 0 12px 25px rgba(26, 52, 44, .08);
    }

    .btn-secondary:hover {
      background: rgba(12, 111, 91, .08);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 0;
      border-radius: 15px;
      color: var(--color-ink);
      background: rgba(12, 111, 91, .08);
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: var(--section-space) 0;
      position: relative;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      background: rgba(12, 111, 91, .09);
      border: 1px solid rgba(12, 111, 91, .14);
      font-size: 13px;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .section-title {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 950;
      color: var(--color-ink);
    }

    .section-desc {
      margin: 0;
      max-width: 760px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .hero {
      padding: 48px 0 76px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(8, 87, 74, .97), rgba(24, 151, 127, .94) 52%, rgba(255, 138, 91, .92)),
        radial-gradient(circle at 72% 18%, rgba(255, 255, 255, .34), transparent 28%);
      color: #fff;
      box-shadow: 0 30px 70px rgba(12, 111, 91, .24);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: -1px;
      background:
        radial-gradient(circle at 14% 12%, rgba(255, 255, 255, .20), transparent 26%),
        radial-gradient(circle at 88% 82%, rgba(247, 189, 75, .25), transparent 28%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
      gap: 34px;
      align-items: stretch;
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero-tagline {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      margin-bottom: 18px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .22);
      font-size: 13px;
      font-weight: 850;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 5.2vw, 66px);
      line-height: 1.06;
      letter-spacing: -.055em;
      font-weight: 980;
    }

    .hero-summary {
      max-width: 690px;
      margin: 20px 0 24px;
      color: rgba(255, 255, 255, .88);
      font-size: 17px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 26px;
    }

    .hero .btn-secondary {
      color: #fff;
      border-color: rgba(255, 255, 255, .34);
      background: rgba(255, 255, 255, .13);
      box-shadow: none;
    }

    .hero-data {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .data-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .18);
      color: rgba(255, 255, 255, .92);
      font-weight: 800;
      font-size: 13px;
    }

    .whitepaper-card {
      position: relative;
      border-radius: 30px;
      background: rgba(255, 253, 248, .96);
      color: var(--color-ink);
      box-shadow: 0 22px 60px rgba(4, 49, 40, .24);
      padding: 20px;
    }

    .paper-cover {
      min-height: 168px;
      border-radius: 24px;
      padding: 22px;
      background:
        linear-gradient(135deg, #fff4dc 0%, #fffdf8 45%, #d8f3ea 100%);
      border: 1px solid rgba(19, 37, 31, .10);
      position: relative;
      overflow: hidden;
    }

    .paper-cover::after {
      content: "";
      position: absolute;
      width: 160px;
      height: 160px;
      right: -58px;
      top: -46px;
      border-radius: 50%;
      background: rgba(255, 138, 91, .22);
    }

    .paper-label {
      display: inline-flex;
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      color: #91513a;
      background: rgba(255, 138, 91, .15);
      font-size: 12px;
      font-weight: 900;
    }

    .paper-cover h2 {
      margin: 18px 0 10px;
      max-width: 310px;
      font-size: 29px;
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 950;
    }

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

    .toc-list {
      margin: 16px 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .toc-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 13px;
      border-radius: 16px;
      background: #f8fbf7;
      border: 1px solid rgba(19, 37, 31, .08);
      color: #40514b;
      font-size: 14px;
      font-weight: 750;
    }

    .lead-form {
      display: grid;
      gap: 10px;
    }

    .lead-form input {
      height: 48px;
      border: 1px solid rgba(19, 37, 31, .12);
      border-radius: 16px;
      background: #fff;
      box-shadow: none;
      margin: 0;
      padding: 0 14px;
    }

    .lead-form input:focus {
      border-color: rgba(12, 111, 91, .44);
      box-shadow: 0 0 0 4px rgba(12, 111, 91, .10);
    }

    .form-note {
      margin: 4px 0 0;
      color: var(--color-muted);
      font-size: 12px;
    }

    .form-message {
      display: none;
      margin-top: 8px;
      padding: 9px 11px;
      border-radius: 14px;
      color: #0c6f5b;
      background: rgba(12, 111, 91, .09);
      font-size: 13px;
      font-weight: 800;
    }

    .vertical-stage {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 28px;
      align-items: stretch;
    }

    .note-card,
    .content-card,
    .metric-card {
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .note-card:hover,
    .content-card:hover,
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(12, 111, 91, .22);
    }

    .seed-card {
      padding: 28px;
      background:
        linear-gradient(180deg, rgba(255, 253, 248, .95), rgba(240, 249, 244, .92));
      min-height: 100%;
    }

    .seed-phone {
      max-width: 300px;
      margin: 24px auto 0;
      border-radius: 34px;
      padding: 18px;
      background: #12352d;
      box-shadow: 0 26px 55px rgba(18, 53, 45, .22);
    }

    .seed-screen {
      border-radius: 24px;
      padding: 18px;
      background: linear-gradient(180deg, #fffdf8, #e9f7f0);
      min-height: 430px;
    }

    .screen-tag {
      display: inline-flex;
      padding: 5px 9px;
      border-radius: var(--radius-pill);
      background: rgba(12, 111, 91, .10);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 900;
    }

    .screen-title {
      margin: 16px 0 14px;
      font-size: 25px;
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .screen-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .screen-item {
      padding: 12px;
      border-radius: 17px;
      background: #fff;
      border: 1px solid rgba(19, 37, 31, .08);
    }

    .screen-item strong {
      display: block;
      margin-bottom: 2px;
      font-size: 14px;
    }

    .screen-item span {
      color: var(--color-muted);
      font-size: 12px;
    }

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

    .seed-point {
      padding: 24px;
      min-height: 220px;
    }

    .icon-badge {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 16px;
      color: #fff;
      background: var(--gradient-main);
      box-shadow: 0 12px 28px rgba(12, 111, 91, .20);
    }

    .seed-point h3,
    .content-card h3,
    .metric-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.28;
      font-weight: 930;
      letter-spacing: -.025em;
    }

    .seed-point p,
    .content-card p,
    .metric-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .hot-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
      gap: 24px;
      margin-top: 30px;
    }

    .hot-main {
      display: grid;
      gap: 16px;
    }

    .hot-item {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      padding: 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: 0 12px 34px rgba(26, 52, 44, .08);
      transition: var(--ease);
    }

    .hot-item:hover {
      transform: translateX(4px);
      box-shadow: var(--shadow-hover);
    }

    .rank {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 15px;
      background: rgba(255, 138, 91, .14);
      color: #bd5d39;
      font-weight: 950;
    }

    .hot-item h3 {
      margin: 0 0 5px;
      font-size: 20px;
      font-weight: 930;
    }

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

    .mini-action {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 12px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      background: rgba(12, 111, 91, .08);
      font-size: 13px;
      font-weight: 850;
      white-space: nowrap;
    }

    .mini-action:hover {
      color: #fff;
      background: var(--color-primary);
    }

    .hot-side {
      padding: 24px;
      border-radius: var(--radius-xl);
      color: #fff;
      background: linear-gradient(160deg, #13251f, #0c6f5b);
      box-shadow: var(--shadow-soft);
    }

    .hot-side h3 {
      margin: 0 0 14px;
      font-size: 24px;
      font-weight: 950;
    }

    .hot-side p {
      color: rgba(255, 255, 255, .78);
      margin: 0 0 18px;
      font-size: 14px;
    }

    .progress-bar {
      height: 12px;
      border-radius: var(--radius-pill);
      overflow: hidden;
      background: rgba(255, 255, 255, .16);
    }

    .progress-fill {
      height: 100%;
      width: 78%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-amber), var(--color-accent));
    }

    .side-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 18px;
    }

    .side-stat {
      padding: 15px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .10);
      border: 1px solid rgba(255, 255, 255, .13);
    }

    .side-stat b {
      display: block;
      font-size: 25px;
      line-height: 1;
    }

    .side-stat span {
      font-size: 12px;
      color: rgba(255, 255, 255, .72);
    }

    .matrix-wrap {
      margin-top: 30px;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .matrix-note {
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(12, 111, 91, .09), rgba(255, 138, 91, .11)),
        #fff;
    }

    .matrix-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .tag-chip,
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 11px;
      border-radius: var(--radius-pill);
      background: rgba(12, 111, 91, .08);
      color: var(--color-primary);
      border: 1px solid rgba(12, 111, 91, .12);
      font-size: 13px;
      font-weight: 850;
    }

    .tag-chip.orange {
      color: #a84d2c;
      background: rgba(255, 138, 91, .13);
      border-color: rgba(255, 138, 91, .22);
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .entry-tile {
      padding: 20px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-line);
      min-height: 156px;
      transition: var(--ease);
    }

    .entry-tile:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-soft);
    }

    .entry-tile b {
      display: block;
      margin: 12px 0 6px;
      font-size: 18px;
      font-weight: 930;
    }

    .entry-tile span {
      color: var(--color-muted);
      font-size: 13px;
    }

    .progress-section {
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .25), rgba(12, 111, 91, .05));
    }

    .timeline {
      margin-top: 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .timeline-card {
      position: relative;
      padding: 22px;
      border-radius: 26px;
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: 0 10px 28px rgba(26, 52, 44, .07);
    }

    .timeline-card::before {
      content: "";
      position: absolute;
      left: 22px;
      top: -8px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 6px rgba(255, 138, 91, .14);
    }

    .timeline-card time {
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 900;
    }

    .timeline-card h3 {
      margin: 10px 0 8px;
      font-size: 18px;
      font-weight: 930;
    }

    .timeline-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
    }

    .review-wall {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
      margin-top: 30px;
    }

    .review-big,
    .review-stack .review-item {
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
    }

    .review-big {
      padding: 32px;
    }

    .quote-mark {
      width: 52px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      background: var(--gradient-main);
      margin-bottom: 18px;
    }

    .review-big p {
      margin: 0;
      font-size: 22px;
      line-height: 1.65;
      font-weight: 850;
      letter-spacing: -.02em;
    }

    .review-author {
      margin-top: 20px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 800;
    }

    .review-stack {
      display: grid;
      gap: 14px;
    }

    .review-item {
      padding: 22px;
    }

    .review-item strong {
      display: block;
      margin-bottom: 7px;
      font-size: 17px;
      font-weight: 930;
    }

    .review-item span {
      color: var(--color-muted);
      font-size: 14px;
    }

    .news-layout {
      margin-top: 30px;
      display: grid;
      grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr);
      gap: 24px;
    }

    .news-list {
      padding: 8px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
    }

    .news-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 20px;
      border-bottom: 1px solid rgba(19, 37, 31, .08);
    }

    .news-row:last-child {
      border-bottom: 0;
    }

    .news-row:hover {
      background: rgba(12, 111, 91, .06);
    }

    .news-row a {
      display: block;
      margin-bottom: 5px;
      font-size: 18px;
      font-weight: 920;
      color: var(--color-ink);
    }

    .news-row a:hover {
      color: var(--color-primary);
    }

    .news-row p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
    }

    .news-time {
      color: #a56a39;
      background: rgba(247, 189, 75, .18);
      border-radius: var(--radius-pill);
      padding: 7px 10px;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .news-side {
      padding: 26px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(118, 106, 150, .12), rgba(12, 111, 91, .09)),
        #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
    }

    .news-side h3 {
      margin: 0 0 12px;
      font-size: 24px;
      font-weight: 950;
    }

    .check-list {
      padding: 0;
      margin: 16px 0 0;
      list-style: none;
      display: grid;
      gap: 11px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: #435650;
      font-weight: 750;
      font-size: 14px;
    }

    .check-list i {
      margin-top: 5px;
      color: var(--color-primary);
    }

    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .security-card {
      padding: 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: 0 10px 28px rgba(26, 52, 44, .07);
    }

    .security-card i {
      color: var(--color-primary);
      font-size: 24px;
      margin-bottom: 15px;
    }

    .security-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 930;
    }

    .security-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 13px;
    }

    .cta-panel {
      overflow: hidden;
      border-radius: 34px;
      padding: clamp(28px, 5vw, 52px);
      color: #fff;
      background:
        radial-gradient(circle at 15% 12%, rgba(255, 255, 255, .20), transparent 24%),
        linear-gradient(135deg, #13251f 0%, #0c6f5b 62%, #ff8a5b 100%);
      box-shadow: 0 28px 70px rgba(12, 111, 91, .22);
    }

    .cta-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
      gap: 26px;
      align-items: center;
    }

    .cta-panel h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .cta-panel p {
      max-width: 650px;
      margin: 0 0 24px;
      color: rgba(255, 255, 255, .80);
    }

    .cta-panel .btn-secondary {
      color: #fff;
      border-color: rgba(255, 255, 255, .35);
      background: rgba(255, 255, 255, .12);
      box-shadow: none;
    }

    .reward-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .reward-mini {
      padding: 17px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .15);
    }

    .reward-mini b {
      display: block;
      font-size: 22px;
      line-height: 1.1;
    }

    .reward-mini span {
      color: rgba(255, 255, 255, .75);
      font-size: 12px;
    }

    .faq-section {
      padding-top: 0;
    }

    .faq-wrap {
      margin-top: 30px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .accordion {
      margin: 0;
      background: transparent;
    }

    .accordion-item {
      border-bottom: 1px solid rgba(19, 37, 31, .08);
    }

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

    .accordion-title {
      padding: 20px 24px;
      border: 0;
      color: var(--color-ink);
      font-size: 17px;
      font-weight: 930;
      background: #fff;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(12, 111, 91, .06);
      color: var(--color-primary);
    }

    .accordion-title::before {
      color: var(--color-primary);
      font-weight: 900;
    }

    .accordion-content {
      padding: 0 24px 22px;
      border: 0;
      color: var(--color-muted);
      background: #fff;
      font-size: 15px;
      line-height: 1.85;
    }

    .site-footer {
      padding: 44px 0 28px;
      background: #f4f1e8;
      border-top: 1px solid rgba(19, 37, 31, .10);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr .7fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
      font-size: 20px;
      font-weight: 950;
    }

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

    .footer-title {
      margin: 0 0 12px;
      font-size: 15px;
      font-weight: 950;
    }

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

    .footer-links a {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 750;
    }

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

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(19, 37, 31, .10);
      color: #77817d;
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .float-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 45;
      transform: translateX(-50%);
      display: none;
      width: min(520px, calc(100% - 28px));
      padding: 10px;
      border-radius: var(--radius-pill);
      background: rgba(255, 253, 248, .92);
      border: 1px solid rgba(19, 37, 31, .12);
      box-shadow: 0 18px 50px rgba(26, 52, 44, .18);
      backdrop-filter: blur(14px);
    }

    .float-cta a {
      width: 100%;
    }

    @media (max-width: 1024px) {
      :root {
        --section-space: 66px;
      }

      .hero-inner,
      .vertical-stage,
      .matrix-wrap,
      .review-wall,
      .news-layout,
      .cta-layout {
        grid-template-columns: 1fr;
      }

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

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

      .nav-shell {
        border-radius: 28px;
        align-items: flex-start;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 18px;
        right: 18px;
        display: none;
        padding: 12px;
        border-radius: 24px;
        background: rgba(255, 253, 248, .98);
        border: 1px solid rgba(19, 37, 31, .10);
        box-shadow: var(--shadow-soft);
        flex-direction: column;
        align-items: stretch;
      }

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

      .nav-link {
        justify-content: center;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 26px, var(--container));
      }

      .hero {
        padding-top: 28px;
      }

      .hero-inner {
        padding: 24px;
      }

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

      .btn-primary,
      .btn-secondary,
      .nav-cta {
        width: 100%;
      }

      .nav-actions {
        margin-left: auto;
      }

      .nav-cta {
        display: none;
      }

      .seed-grid,
      .entry-grid,
      .reward-box,
      .security-grid,
      .timeline,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hot-item,
      .news-row {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .mini-action {
        width: fit-content;
      }

      .float-cta {
        display: block;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section-space: 48px;
      }

      .brand-logo {
        font-size: 14px;
        max-width: 230px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
        flex: 0 0 auto;
      }

      .hero-panel,
      .cta-panel {
        border-radius: 26px;
      }

      .whitepaper-card,
      .note-card,
      .content-card,
      .metric-card,
      .faq-wrap {
        border-radius: 22px;
      }

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

      .paper-cover h2 {
        font-size: 24px;
      }

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

      .review-big p {
        font-size: 18px;
      }
    }

/* roulang page: category1 */
:root {
      --color-primary: #0f6f61;
      --color-primary-dark: #084d45;
      --color-primary-soft: #e5f5ef;
      --color-teal: #1aa68d;
      --color-mint: #dff8ed;
      --color-coral: #ff7a59;
      --color-amber: #f4b84a;
      --color-purple: #776c9f;
      --color-bg: #fbf7ed;
      --color-bg-2: #f5efe2;
      --color-card: #ffffff;
      --color-text: #18231f;
      --color-muted: #66746f;
      --color-border: rgba(15, 111, 97, .16);
      --color-border-strong: rgba(15, 111, 97, .28);
      --shadow-soft: 0 18px 45px rgba(18, 50, 43, .10);
      --shadow-hover: 0 24px 62px rgba(18, 50, 43, .16);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 26px;
      --radius-xl: 34px;
      --container: 1180px;
      --nav-height: 78px;
      --ease: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(255, 122, 89, .14), transparent 26%),
        radial-gradient(circle at 88% 8%, rgba(26, 166, 141, .16), transparent 30%),
        linear-gradient(180deg, #fffaf1 0%, var(--color-bg) 42%, #f7f4ea 100%);
      line-height: 1.72;
      overflow-x: hidden;
    }

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

    a:hover,
    a:focus {
      color: var(--color-primary);
    }

    button,
    .button {
      font-family: inherit;
      transition: var(--ease);
    }

    button:focus,
    a:focus,
    .button:focus {
      outline: 3px solid rgba(255, 122, 89, .28);
      outline-offset: 3px;
    }

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

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

    .section {
      padding: 84px 0;
      position: relative;
    }

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

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(15, 111, 97, .08);
      border: 1px solid var(--color-border);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .02em;
    }

    .section-title {
      margin: 14px 0 10px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -.04em;
      color: var(--color-text);
    }

    .section-desc {
      margin: 0;
      color: var(--color-muted);
      font-size: 17px;
      max-width: 720px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      padding: 14px 0;
      background: rgba(251, 247, 237, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(15, 111, 97, .10);
    }

    .nav-shell {
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px 10px 16px;
      border: 1px solid rgba(15, 111, 97, .16);
      border-radius: 999px;
      background: rgba(255, 255, 255, .74);
      box-shadow: 0 12px 34px rgba(18, 50, 43, .08);
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 950;
      letter-spacing: -.03em;
      color: var(--color-primary-dark);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 38px;
      border-radius: 14px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-teal) 55%, var(--color-coral));
      box-shadow: 0 12px 25px rgba(15, 111, 97, .26);
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex: 1;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 10px 15px;
      border-radius: 999px;
      color: #43534e;
      font-size: 14px;
      font-weight: 800;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-link:hover {
      background: rgba(15, 111, 97, .08);
      border-color: var(--color-border);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
      box-shadow: 0 10px 24px rgba(15, 111, 97, .22);
    }

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

    .nav-cta,
    .btn-primary,
    .btn-secondary,
    .card-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      font-weight: 900;
      line-height: 1;
      cursor: pointer;
    }

    .nav-cta,
    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-coral), var(--color-amber) 45%, var(--color-primary));
      background-size: 180% 180%;
      box-shadow: 0 16px 32px rgba(255, 122, 89, .22);
      border: 0;
    }

    .nav-cta {
      padding: 13px 18px;
      font-size: 14px;
    }

    .btn-primary {
      padding: 15px 22px;
      min-height: 50px;
    }

    .nav-cta:hover,
    .btn-primary:hover {
      color: #fff;
      background-position: 100% 50%;
      transform: translateY(-2px);
      box-shadow: 0 20px 42px rgba(15, 111, 97, .24);
    }

    .btn-secondary {
      min-height: 50px;
      padding: 14px 20px;
      color: var(--color-primary-dark);
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--color-border-strong);
    }

    .btn-secondary:hover {
      background: var(--color-primary-soft);
      transform: translateY(-2px);
      box-shadow: var(--shadow-soft);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 0;
      border-radius: 50%;
      color: var(--color-primary-dark);
      background: rgba(15, 111, 97, .09);
      cursor: pointer;
    }

    .breadcrumb-note {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      padding: 8px 12px;
      color: var(--color-muted);
      background: rgba(255, 255, 255, .74);
      border: 1px solid var(--color-border);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }

    .breadcrumb-note a {
      color: var(--color-primary-dark);
    }

    .hero-filter {
      padding: 70px 0 54px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      padding: clamp(26px, 5vw, 56px);
      background:
        linear-gradient(135deg, rgba(8, 77, 69, .96), rgba(15, 111, 97, .92) 45%, rgba(255, 122, 89, .84)),
        radial-gradient(circle at 76% 24%, rgba(255, 255, 255, .35), transparent 28%);
      color: #fff;
      box-shadow: 0 28px 80px rgba(8, 77, 69, .28);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: auto -120px -160px auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .16);
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity: .2;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-title {
      margin: 0 0 16px;
      font-size: clamp(34px, 5.2vw, 62px);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: -.055em;
      max-width: 720px;
    }

    .hero-subtitle {
      max-width: 700px;
      margin: 0;
      color: rgba(255,255,255,.86);
      font-size: 18px;
      line-height: 1.8;
    }

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

    .hero-panel .btn-secondary {
      background: rgba(255,255,255,.14);
      color: #fff;
      border-color: rgba(255,255,255,.34);
      backdrop-filter: blur(10px);
    }

    .hero-panel .btn-secondary:hover {
      background: rgba(255,255,255,.24);
      color: #fff;
    }

    .demo-board {
      position: relative;
      z-index: 2;
      padding: 18px;
      border-radius: 28px;
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.26);
      backdrop-filter: blur(12px);
    }

    .demo-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 14px;
    }

    .demo-title {
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .demo-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #17352f;
      background: #fff5d8;
      font-size: 12px;
      font-weight: 950;
    }

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

    .matrix-cell {
      min-height: 104px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.88);
      color: var(--color-text);
      box-shadow: 0 14px 26px rgba(8, 77, 69, .13);
    }

    .matrix-cell strong {
      display: block;
      margin-bottom: 4px;
      font-size: 18px;
      letter-spacing: -.03em;
    }

    .matrix-cell span {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .progress-line {
      height: 10px;
      margin-top: 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.24);
      overflow: hidden;
    }

    .progress-line i {
      display: block;
      width: 76%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #fff, #ffd38c, #72e3c4);
    }

    .filter-strip {
      margin-top: -18px;
      position: relative;
      z-index: 4;
    }

    .filter-card {
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .90);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .pill-row {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: thin;
    }

    .filter-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      flex: 0 0 auto;
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      background: #fff;
      color: #40514c;
      font-size: 14px;
      font-weight: 850;
      cursor: pointer;
      white-space: nowrap;
    }

    .filter-pill:hover,
    .filter-pill.active {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
      border-color: transparent;
      box-shadow: 0 12px 24px rgba(15, 111, 97, .18);
    }

    .data-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .data-badge,
    .tag,
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-weight: 850;
      white-space: nowrap;
    }

    .data-badge {
      padding: 9px 12px;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      border: 1px solid var(--color-border);
      font-size: 13px;
    }

    .main-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 28px;
      align-items: start;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: 1.18fr .82fr;
      gap: 18px;
    }

    .entry-card {
      position: relative;
      overflow: hidden;
      min-height: 258px;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .88);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: var(--ease);
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-border-strong);
    }

    .entry-card.featured {
      min-height: 344px;
      background:
        linear-gradient(145deg, #ffffff 0%, #fff8ec 58%, #e8f7f0 100%);
    }

    .entry-card.compact {
      min-height: 163px;
    }

    .entry-card.wide {
      grid-column: 1 / -1;
      min-height: 210px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 260px;
      gap: 18px;
      align-items: center;
    }

    .entry-num {
      display: inline-flex;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-coral));
      font-weight: 950;
      box-shadow: 0 14px 26px rgba(15, 111, 97, .20);
    }

    .entry-title {
      margin: 0 0 10px;
      font-size: 24px;
      line-height: 1.25;
      font-weight: 950;
      letter-spacing: -.035em;
    }

    .entry-card.compact .entry-title {
      font-size: 20px;
    }

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

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 16px 0 20px;
    }

    .tag {
      padding: 6px 10px;
      background: #f3efe2;
      color: #5b625e;
      font-size: 12px;
      border: 1px solid rgba(102, 116, 111, .12);
    }

    .tag.hot {
      background: #fff0e9;
      color: #aa4b32;
      border-color: rgba(255, 122, 89, .20);
    }

    .tag.fresh {
      background: #e7f8ef;
      color: var(--color-primary-dark);
      border-color: var(--color-border);
    }

    .card-action {
      min-height: 40px;
      padding: 11px 14px;
      color: var(--color-primary-dark);
      background: rgba(15, 111, 97, .08);
      border: 1px solid var(--color-border);
      font-size: 13px;
    }

    .card-action:hover {
      color: #fff;
      background: var(--color-primary);
      transform: translateY(-2px);
    }

    .entry-meter {
      padding: 18px;
      border-radius: 22px;
      background: rgba(15, 111, 97, .08);
      border: 1px dashed rgba(15, 111, 97, .25);
    }

    .meter-line {
      margin: 12px 0;
    }

    .meter-line b {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 6px;
      font-size: 13px;
      color: #34423e;
    }

    .meter-track {
      height: 9px;
      border-radius: 999px;
      overflow: hidden;
      background: rgba(15, 111, 97, .12);
    }

    .meter-track span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), var(--color-teal), var(--color-amber));
    }

    .side-stack {
      position: sticky;
      top: 104px;
      display: grid;
      gap: 16px;
    }

    .note-card,
    .step-card,
    .reward-card,
    .timeline-panel,
    .faq-wrap,
    .cta-panel {
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
    }

    .note-card {
      padding: 22px;
    }

    .note-card.alt {
      background: linear-gradient(145deg, #fff, #ecf8f2);
    }

    .note-title {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

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

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

    .note-list i {
      margin-top: 5px;
      color: var(--color-primary);
    }

    .side-stat {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .stat-box {
      padding: 14px;
      border-radius: 18px;
      background: #fff8ed;
      border: 1px solid rgba(244, 184, 74, .22);
    }

    .stat-box strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      color: var(--color-primary-dark);
      font-weight: 950;
    }

    .stat-box span {
      display: block;
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 800;
    }

    .steps-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 20px;
      align-items: stretch;
    }

    .step-card {
      padding: 26px;
      transition: var(--ease);
    }

    .step-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .step-card.large {
      background:
        linear-gradient(145deg, rgba(255,255,255,.92), rgba(229,245,239,.94)),
        radial-gradient(circle at 80% 20%, rgba(255, 122, 89, .10), transparent 34%);
    }

    .step-icon {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      border-radius: 17px;
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      font-size: 20px;
    }

    .step-title {
      margin: 0 0 8px;
      font-size: 22px;
      font-weight: 950;
      letter-spacing: -.03em;
    }

    .step-desc {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
    }

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

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

    .reward-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: var(--ease);
    }

    .reward-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .reward-card.accent {
      background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
      color: #fff;
    }

    .reward-card.accent .reward-desc,
    .reward-card.accent .reward-label {
      color: rgba(255,255,255,.78);
    }

    .reward-label {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 900;
    }

    .reward-title {
      margin: 8px 0;
      font-size: 25px;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .reward-desc {
      margin: 0;
      color: var(--color-muted);
      font-size: 15px;
    }

    .status-badge {
      margin-top: 18px;
      padding: 8px 11px;
      background: #fff1dc;
      color: #8a5a0f;
      font-size: 12px;
      border: 1px solid rgba(244, 184, 74, .22);
    }

    .timeline-panel {
      padding: clamp(22px, 4vw, 34px);
      background:
        linear-gradient(145deg, rgba(255,255,255,.92), rgba(255,248,236,.92));
    }

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

    .timeline-item {
      display: grid;
      grid-template-columns: 54px minmax(0, 1fr) 128px;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border-radius: 22px;
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(15, 111, 97, .12);
    }

    .timeline-dot {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
      box-shadow: 0 12px 22px rgba(15, 111, 97, .18);
    }

    .timeline-copy strong {
      display: block;
      font-size: 17px;
      font-weight: 950;
    }

    .timeline-copy span {
      color: var(--color-muted);
      font-size: 14px;
    }

    .timeline-state {
      justify-self: end;
      padding: 7px 10px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: var(--color-primary-soft);
      font-size: 12px;
      font-weight: 950;
    }

    .timeline-state.pending {
      color: #8a5a0f;
      background: #fff1dc;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: clamp(30px, 5vw, 52px);
      background:
        radial-gradient(circle at 85% 16%, rgba(255, 255, 255, .28), transparent 30%),
        linear-gradient(135deg, var(--color-primary-dark), var(--color-primary) 52%, var(--color-coral));
      color: #fff;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -120px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(255,255,255,.14);
    }

    .cta-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta-title {
      margin: 0 0 8px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .cta-desc {
      margin: 0;
      max-width: 720px;
      color: rgba(255,255,255,.82);
      font-size: 16px;
    }

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

    .faq-wrap {
      padding: 12px;
    }

    .accordion {
      margin: 0;
      background: transparent;
    }

    .accordion-item {
      border-radius: 18px;
      overflow: hidden;
      background: transparent;
    }

    .accordion-title {
      position: relative;
      padding: 19px 52px 19px 20px;
      border: 0 !important;
      border-radius: 18px;
      background: transparent;
      color: var(--color-text);
      font-size: 16px;
      font-weight: 950;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(15, 111, 97, .07);
      color: var(--color-primary-dark);
    }

    .accordion-content {
      padding: 0 20px 20px;
      border: 0 !important;
      background: transparent;
      color: var(--color-muted);
      font-size: 15px;
    }

    .accordion-title::before {
      right: 20px;
      margin-top: -10px;
      font-size: 22px;
      color: var(--color-primary);
    }

    .site-footer {
      padding: 56px 0 30px;
      background: #f4efe4;
      border-top: 1px solid rgba(15, 111, 97, .12);
    }

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

    .footer-desc {
      max-width: 520px;
      margin: 16px 0 0;
      color: var(--color-muted);
      font-size: 14px;
    }

    .footer-title {
      margin: 0 0 14px;
      font-size: 15px;
      font-weight: 950;
      color: var(--color-primary-dark);
    }

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

    .footer-links a {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 760;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(15, 111, 97, .12);
      color: #7a8581;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .site-container {
        width: min(100% - 30px, var(--container));
      }

      .nav-shell {
        border-radius: 28px;
        flex-wrap: wrap;
      }

      .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-top: 4px;
      }

      .main-layout,
      .steps-layout,
      .reward-layout,
      .cta-content {
        grid-template-columns: 1fr;
      }

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

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

      .entry-card.featured,
      .entry-card.wide {
        grid-column: 1 / -1;
      }

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

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

    @media (max-width: 768px) {
      .section {
        padding: 54px 0;
      }

      .hero-filter {
        padding: 34px 0 42px;
      }

      .nav-shell {
        align-items: center;
        padding: 10px;
        border-radius: 24px;
      }

      .brand-logo span:last-child {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        overflow: visible;
      }

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

      .nav-link {
        justify-content: center;
        width: 100%;
      }

      .nav-cta {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .hero-panel {
        border-radius: 28px;
      }

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

      .btn-primary,
      .btn-secondary {
        width: 100%;
      }

      .matrix-mini,
      .entry-grid,
      .step-mini-grid,
      .side-stack,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .timeline-item {
        grid-template-columns: 44px minmax(0, 1fr);
      }

      .timeline-state {
        grid-column: 2;
        justify-self: start;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .site-container {
        width: min(100% - 22px, var(--container));
      }

      .hero-panel,
      .cta-panel {
        padding: 24px;
      }

      .demo-board {
        padding: 14px;
      }

      .matrix-cell {
        min-height: auto;
      }

      .entry-card,
      .step-card,
      .reward-card,
      .note-card {
        padding: 20px;
        border-radius: 22px;
      }

      .section-title {
        font-size: 30px;
      }

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

      .brand-logo {
        font-size: 14px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        border-radius: 12px;
      }
    }