/* roulang page: index */
:root {
      --color-bg: #f7f4ee;
      --color-bg-2: #fffaf2;
      --color-surface: rgba(255, 255, 255, .82);
      --color-surface-solid: #ffffff;
      --color-ink: #1d1b18;
      --color-muted: #706b61;
      --color-soft: #a79e8e;
      --color-line: rgba(29, 27, 24, .12);
      --color-primary: #d85c2b;
      --color-primary-dark: #a83c18;
      --color-secondary: #163d3a;
      --color-accent: #f4b942;
      --color-pixel: #7b4ee6;
      --color-success: #2d8b67;
      --shadow-soft: 0 18px 50px rgba(29, 27, 24, .10);
      --shadow-hover: 0 24px 70px rgba(29, 27, 24, .16);
      --shadow-inset: inset 0 1px 0 rgba(255,255,255,.85);
      --radius-xs: 10px;
      --radius-sm: 16px;
      --radius-md: 24px;
      --radius-lg: 34px;
      --radius-pill: 999px;
      --container: 1180px;
      --header-height: 132px;
      --ease: cubic-bezier(.2,.7,.2,1);
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      min-width: 320px;
      color: var(--color-ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      line-height: 1.72;
      background:
        radial-gradient(circle at 8% 8%, rgba(244, 185, 66, .24), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(216, 92, 43, .15), transparent 30%),
        linear-gradient(180deg, var(--color-bg-2), var(--color-bg) 44%, #f3efe7);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .28;
      z-index: -1;
      background-image:
        linear-gradient(rgba(29,27,24,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29,27,24,.045) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(to bottom, #000, transparent 72%);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
    }

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

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

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
    }

    input, textarea {
      width: 100%;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.86);
      color: var(--color-ink);
      padding: 13px 15px;
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus, textarea:focus {
      border-color: rgba(216, 92, 43, .55);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(216, 92, 43, .12);
    }

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

    ::selection {
      background: rgba(216, 92, 43, .22);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 250, 242, .78);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(29, 27, 24, .08);
      box-shadow: 0 8px 28px rgba(29, 27, 24, .05);
    }

    .topbar {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 22px;
      padding: 17px 0 13px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 900;
      letter-spacing: -.03em;
      font-size: 1.18rem;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      letter-spacing: -.08em;
      background:
        linear-gradient(135deg, rgba(244,185,66,.96), rgba(216,92,43,.98) 58%, rgba(22,61,58,.98));
      box-shadow: 0 12px 28px rgba(216, 92, 43, .24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 7px;
      border: 1px solid rgba(255,255,255,.42);
      border-radius: 9px;
    }

    .brand small {
      display: block;
      margin-top: -3px;
      color: var(--color-muted);
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .05em;
    }

    .search-wrap {
      position: relative;
      max-width: 520px;
      justify-self: center;
      width: 100%;
    }

    .search-wrap input {
      border-radius: var(--radius-pill);
      padding: 12px 46px 12px 18px;
      background: rgba(255,255,255,.72);
    }

    .search-wrap .search-dot {
      position: absolute;
      right: 16px;
      top: 50%;
      width: 22px;
      height: 22px;
      transform: translateY(-50%);
      border-radius: 50%;
      background: rgba(216, 92, 43, .12);
    }

    .search-wrap .search-dot::before {
      content: "";
      position: absolute;
      inset: 6px;
      border: 2px solid var(--color-primary);
      border-radius: 50%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      justify-content: flex-end;
    }

    .btn-rou {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: var(--radius-pill);
      padding: 12px 18px;
      min-height: 44px;
      font-weight: 800;
      border: 1px solid transparent;
      line-height: 1;
      cursor: pointer;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      white-space: nowrap;
    }

    .btn-rou:hover {
      transform: translateY(-2px);
    }

    .btn-rou:active {
      transform: translateY(0);
    }

    .btn-rou:focus-visible,
    .nav-pill:focus-visible,
    .news-link:focus-visible,
    .footer-link:focus-visible {
      outline: 3px solid rgba(216, 92, 43, .23);
      outline-offset: 3px;
    }

    .btn-primary-rou {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      box-shadow: 0 12px 28px rgba(216, 92, 43, .28);
    }

    .btn-primary-rou:hover {
      color: #fff;
      box-shadow: 0 18px 42px rgba(216, 92, 43, .35);
    }

    .btn-dark-rou {
      color: #fff;
      background: var(--color-secondary);
      box-shadow: 0 12px 28px rgba(22, 61, 58, .18);
    }

    .btn-dark-rou:hover {
      color: #fff;
      background: #0f302d;
      box-shadow: 0 18px 42px rgba(22, 61, 58, .22);
    }

    .btn-light-rou {
      color: var(--color-ink);
      background: rgba(255,255,255,.74);
      border-color: rgba(29,27,24,.12);
      box-shadow: var(--shadow-inset);
    }

    .btn-light-rou:hover {
      background: #fff;
      border-color: rgba(216,92,43,.32);
      color: var(--color-primary-dark);
      box-shadow: 0 14px 32px rgba(29,27,24,.08);
    }

    .channelbar {
      border-top: 1px solid rgba(29,27,24,.07);
    }

    .channel-scroll {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 10px 0 13px;
    }

    .channel-scroll::-webkit-scrollbar {
      display: none;
    }

    .nav-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: var(--radius-pill);
      padding: 9px 15px;
      font-size: .92rem;
      font-weight: 800;
      color: var(--color-muted);
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .nav-pill.active {
      color: #fff;
      background: var(--color-ink);
      box-shadow: 0 10px 26px rgba(29,27,24,.16);
    }

    .nav-pill:hover {
      color: var(--color-primary-dark);
      background: rgba(216, 92, 43, .08);
      border-color: rgba(216, 92, 43, .12);
    }

    main {
      position: relative;
    }

    .section {
      padding: 82px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(216, 92, 43, .18);
      color: var(--color-primary-dark);
      background: rgba(216, 92, 43, .08);
      font-size: .82rem;
      font-weight: 900;
      letter-spacing: .06em;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 2px;
      background: var(--color-primary);
      box-shadow: 9px 0 0 var(--color-accent);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(280px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-title {
      margin: 13px 0 0;
      font-size: clamp(2rem, 4vw, 3.25rem);
      line-height: 1.08;
      letter-spacing: -.065em;
      font-weight: 950;
    }

    .section-desc {
      margin: 0;
      color: var(--color-muted);
      font-size: 1.04rem;
    }

    .hero {
      padding: 54px 0 74px;
    }

    .hero-shell {
      position: relative;
      border-radius: 42px;
      padding: 28px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.86), rgba(255,250,242,.62)),
        radial-gradient(circle at 50% 0%, rgba(244,185,66,.24), transparent 36%);
      border: 1px solid rgba(29,27,24,.11);
      box-shadow: var(--shadow-soft);
    }

    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, transparent 0 48%, rgba(216,92,43,.08) 48% 52%, transparent 52%),
        radial-gradient(circle at 50% 100%, rgba(22,61,58,.12), transparent 44%);
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(220px, .72fr) minmax(340px, 1.1fr) minmax(220px, .72fr);
      align-items: center;
      gap: 24px;
    }

    .hero-copy {
      padding: 22px 4px 22px 8px;
    }

    .hero h1 {
      margin: 18px 0 18px;
      font-size: clamp(2.45rem, 5.6vw, 5.15rem);
      line-height: .96;
      letter-spacing: -.085em;
      font-weight: 950;
    }

    .hero-intro {
      color: var(--color-muted);
      font-size: 1.08rem;
      margin: 0 0 25px;
    }

    .hero-points {
      display: grid;
      gap: 12px;
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
    }

    .point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--color-muted);
      font-weight: 650;
    }

    .point-icon {
      flex: 0 0 auto;
      width: 24px;
      height: 24px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--color-secondary);
      font-size: .78rem;
      margin-top: 2px;
    }

    .stage {
      position: relative;
      min-height: 520px;
      display: grid;
      place-items: center;
      padding: 16px;
    }

    .stage-glow {
      position: absolute;
      width: min(86%, 560px);
      aspect-ratio: 1 / .82;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(244,185,66,.42), rgba(216,92,43,.14) 45%, transparent 72%);
      filter: blur(8px);
    }

    .product-window {
      position: relative;
      width: min(100%, 560px);
      border-radius: 30px;
      overflow: hidden;
      background: #1e201d;
      box-shadow: 0 32px 82px rgba(29,27,24,.28);
      border: 1px solid rgba(255,255,255,.22);
      transform: perspective(900px) rotateX(4deg);
      transition: transform .5s var(--ease), box-shadow .5s var(--ease);
    }

    .product-window:hover {
      transform: perspective(900px) rotateX(0deg) translateY(-4px);
      box-shadow: 0 42px 100px rgba(29,27,24,.34);
    }

    .window-top {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 15px 18px;
      background: rgba(255,255,255,.08);
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .window-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: var(--color-primary);
    }

    .window-dot:nth-child(2) {
      background: var(--color-accent);
    }

    .window-dot:nth-child(3) {
      background: #60c58b;
    }

    .window-url {
      margin-left: 8px;
      flex: 1;
      border-radius: var(--radius-pill);
      padding: 7px 12px;
      font-size: .78rem;
      color: rgba(255,255,255,.72);
      background: rgba(255,255,255,.08);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .screen {
      padding: 24px;
      background:
        linear-gradient(135deg, rgba(244,185,66,.18), transparent 28%),
        linear-gradient(180deg, #292820, #171815);
      color: #fff;
    }

    .screen-hero {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(216,92,43,.94), rgba(123,78,230,.74)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.1) 0 1px, transparent 1px 10px);
    }

    .screen-kicker {
      display: inline-flex;
      width: fit-content;
      padding: 5px 9px;
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.17);
      font-size: .75rem;
      font-weight: 900;
    }

    .screen-title {
      margin: 10px 0 0;
      font-size: 1.8rem;
      line-height: 1.05;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .screen-badge {
      width: 86px;
      height: 86px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.18);
      border: 1px solid rgba(255,255,255,.22);
      font-weight: 950;
      font-size: 1.55rem;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.28);
    }

    .screen-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 15px;
    }

    .screen-card {
      min-height: 92px;
      border-radius: 18px;
      padding: 14px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.12);
    }

    .screen-card strong {
      display: block;
      margin-bottom: 5px;
      font-size: .92rem;
    }

    .screen-card span {
      color: rgba(255,255,255,.68);
      font-size: .8rem;
    }

    .stage-chip {
      position: absolute;
      border-radius: var(--radius-pill);
      padding: 10px 14px;
      background: rgba(255,255,255,.86);
      border: 1px solid rgba(29,27,24,.1);
      box-shadow: 0 16px 36px rgba(29,27,24,.12);
      color: var(--color-muted);
      font-weight: 850;
      backdrop-filter: blur(14px);
      animation: floatY 5.8s var(--ease) infinite;
    }

    .stage-chip strong {
      color: var(--color-ink);
    }

    .chip-a {
      left: -5px;
      top: 74px;
    }

    .chip-b {
      right: -8px;
      bottom: 84px;
      animation-delay: -2.2s;
    }

    .hero-side {
      display: grid;
      gap: 14px;
      padding: 18px 6px;
    }

    .side-card {
      border: 1px solid rgba(29,27,24,.1);
      border-radius: var(--radius-md);
      padding: 18px;
      background: rgba(255,255,255,.62);
      box-shadow: var(--shadow-inset);
      transition: transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);
    }

    .side-card:hover {
      transform: translateY(-3px);
      background: rgba(255,255,255,.86);
      box-shadow: 0 16px 36px rgba(29,27,24,.1);
    }

    .side-card b {
      display: block;
      font-size: 1.05rem;
      margin-bottom: 6px;
    }

    .side-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: .94rem;
    }

    .download-panel {
      margin-top: 8px;
      border-radius: var(--radius-md);
      padding: 18px;
      background: var(--color-secondary);
      color: #fff;
      box-shadow: 0 18px 40px rgba(22,61,58,.22);
    }

    .download-panel p {
      margin: 0 0 13px;
      color: rgba(255,255,255,.74);
      font-size: .93rem;
    }

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

    .metric {
      border-radius: 20px;
      padding: 16px;
      background: rgba(255,255,255,.64);
      border: 1px solid rgba(29,27,24,.1);
      text-align: center;
    }

    .metric strong {
      display: block;
      font-size: 1.55rem;
      line-height: 1;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .metric span {
      display: block;
      margin-top: 7px;
      color: var(--color-muted);
      font-size: .84rem;
      font-weight: 700;
    }

    .card-rou {
      height: 100%;
      border-radius: var(--radius-md);
      border: 1px solid rgba(29, 27, 24, .1);
      background: rgba(255,255,255,.72);
      box-shadow: var(--shadow-inset);
      transition: transform .26s var(--ease), box-shadow .26s var(--ease), border-color .26s var(--ease), background .26s var(--ease);
      overflow: hidden;
    }

    .card-rou:hover {
      transform: translateY(-6px);
      border-color: rgba(216,92,43,.24);
      background: #fff;
      box-shadow: var(--shadow-hover);
    }

    .matrix-wrap {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 24px;
      align-items: stretch;
    }

    .matrix-feature {
      min-height: 100%;
      border-radius: var(--radius-lg);
      padding: 32px;
      background:
        linear-gradient(135deg, rgba(22,61,58,.96), rgba(29,27,24,.96)),
        radial-gradient(circle at 20% 0%, rgba(244,185,66,.42), transparent 34%);
      color: #fff;
      box-shadow: 0 24px 70px rgba(22,61,58,.22);
      position: relative;
      overflow: hidden;
    }

    .matrix-feature::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -70px;
      width: 220px;
      height: 220px;
      border-radius: 60px;
      border: 32px solid rgba(255,255,255,.05);
      transform: rotate(15deg);
    }

    .matrix-feature h3 {
      margin: 18px 0 12px;
      font-size: clamp(1.7rem, 3vw, 2.7rem);
      line-height: 1.08;
      font-weight: 950;
      letter-spacing: -.06em;
    }

    .matrix-feature p {
      color: rgba(255,255,255,.74);
      margin: 0;
    }

    .matrix-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
      position: relative;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      border-radius: var(--radius-pill);
      padding: 6px 11px;
      color: var(--color-muted);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(29,27,24,.09);
      font-size: .82rem;
      font-weight: 850;
    }

    .matrix-feature .tag {
      color: rgba(255,255,255,.86);
      background: rgba(255,255,255,.11);
      border-color: rgba(255,255,255,.14);
    }

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

    .mini-card {
      padding: 22px;
    }

    .icon-box {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      background: rgba(216, 92, 43, .10);
      color: var(--color-primary-dark);
      font-weight: 950;
      font-size: 1.1rem;
    }

    .mini-card h3 {
      font-size: 1.18rem;
      margin: 0 0 8px;
      font-weight: 920;
      letter-spacing: -.03em;
    }

    .mini-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: .96rem;
    }

    .experience {
      position: relative;
      overflow: hidden;
    }

    .experience-panel {
      border-radius: 38px;
      padding: 26px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(29,27,24,.1);
      box-shadow: var(--shadow-soft);
    }

    .experience-grid {
      display: grid;
      grid-template-columns: .7fr 1fr .7fr;
      gap: 18px;
      align-items: center;
    }

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

    .path-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(29,27,24,.08);
    }

    .path-num {
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--color-primary);
      font-size: .83rem;
      font-weight: 950;
    }

    .path-item b {
      display: block;
      margin-bottom: 3px;
    }

    .path-item span {
      color: var(--color-muted);
      font-size: .92rem;
    }

    .preview-stack {
      min-height: 430px;
      position: relative;
      display: grid;
      place-items: center;
    }

    .preview-card {
      width: min(96%, 390px);
      border-radius: 30px;
      padding: 20px;
      border: 1px solid rgba(29,27,24,.11);
      background: #fff;
      box-shadow: 0 24px 70px rgba(29,27,24,.14);
      transform: rotate(-2deg);
    }

    .preview-card:nth-child(2) {
      position: absolute;
      transform: translate(38px, 40px) rotate(4deg);
      z-index: -1;
      background: #f7ead6;
    }

    .preview-banner {
      border-radius: 22px;
      min-height: 118px;
      padding: 18px;
      display: flex;
      align-items: end;
      background:
        linear-gradient(135deg, rgba(216,92,43,.95), rgba(244,185,66,.82)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.14) 0 1px, transparent 1px 12px);
      color: #fff;
      font-size: 1.6rem;
      line-height: 1.1;
      font-weight: 950;
      letter-spacing: -.04em;
    }

    .preview-lines {
      display: grid;
      gap: 10px;
      margin-top: 17px;
    }

    .line {
      height: 12px;
      border-radius: var(--radius-pill);
      background: rgba(29,27,24,.1);
    }

    .line:nth-child(2) {
      width: 78%;
    }

    .line:nth-child(3) {
      width: 52%;
    }

    .results-bar {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      border-radius: 32px;
      overflow: hidden;
      background: var(--color-ink);
      box-shadow: 0 22px 60px rgba(29,27,24,.18);
    }

    .result-item {
      padding: 28px;
      color: #fff;
      border-right: 1px solid rgba(255,255,255,.11);
    }

    .result-item:last-child {
      border-right: 0;
    }

    .result-item strong {
      display: block;
      font-size: clamp(2rem, 4vw, 3.3rem);
      line-height: 1;
      letter-spacing: -.06em;
      font-weight: 950;
      color: var(--color-accent);
    }

    .result-item span {
      display: block;
      margin-top: 10px;
      color: rgba(255,255,255,.74);
      font-weight: 750;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 22px;
    }

    .quote-card {
      padding: 24px;
    }

    .quote-card .stars {
      color: var(--color-accent);
      letter-spacing: .08em;
      font-size: 1.05rem;
      margin-bottom: 12px;
    }

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

    .quote-card b {
      display: block;
      margin-top: 15px;
      color: var(--color-ink);
    }

    .logo-wall {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 12px;
      margin-top: 20px;
    }

    .logo-cell {
      min-height: 70px;
      display: grid;
      place-items: center;
      text-align: center;
      border-radius: 20px;
      background: rgba(255,255,255,.7);
      border: 1px solid rgba(29,27,24,.09);
      color: var(--color-muted);
      font-weight: 850;
      padding: 12px;
    }

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

    .insight-lead {
      border-radius: var(--radius-lg);
      padding: 32px;
      background:
        linear-gradient(145deg, rgba(244,185,66,.22), rgba(255,255,255,.76)),
        #fff;
      border: 1px solid rgba(29,27,24,.1);
    }

    .insight-lead blockquote {
      margin: 18px 0 0;
      font-size: clamp(1.45rem, 2.6vw, 2.2rem);
      line-height: 1.24;
      letter-spacing: -.045em;
      font-weight: 900;
    }

    .insight-cards {
      display: grid;
      gap: 14px;
    }

    .insight-card {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 15px;
      padding: 20px;
      align-items: start;
    }

    .insight-card .icon-box {
      margin: 0;
      background: rgba(22,61,58,.09);
      color: var(--color-secondary);
    }

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

    .tier-card {
      padding: 26px;
      position: relative;
    }

    .tier-card.featured {
      background: linear-gradient(180deg, #fff, #fff7ea);
      border-color: rgba(216,92,43,.32);
      box-shadow: 0 24px 60px rgba(216,92,43,.13);
    }

    .tier-name {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .tier-name h3 {
      margin: 0;
      font-size: 1.3rem;
      font-weight: 930;
      letter-spacing: -.04em;
    }

    .badge-rou {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-pill);
      padding: 6px 10px;
      min-height: 28px;
      color: var(--color-primary-dark);
      background: rgba(216,92,43,.1);
      border: 1px solid rgba(216,92,43,.16);
      font-size: .78rem;
      font-weight: 900;
      white-space: nowrap;
    }

    .tier-price {
      margin: 0 0 16px;
      font-size: 2.1rem;
      line-height: 1;
      font-weight: 950;
      letter-spacing: -.06em;
    }

    .tier-price small {
      font-size: .88rem;
      color: var(--color-muted);
      font-weight: 750;
      letter-spacing: 0;
    }

    .feature-list {
      display: grid;
      gap: 10px;
      padding: 0;
      margin: 18px 0 22px;
      list-style: none;
      color: var(--color-muted);
    }

    .feature-list li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .feature-list li::before {
      content: "✓";
      flex: 0 0 auto;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 8px;
      color: #fff;
      background: var(--color-success);
      font-size: .78rem;
      font-weight: 950;
      margin-top: 2px;
    }

    .progress-note {
      margin-top: 24px;
      padding: 20px;
      border-radius: var(--radius-md);
      background: rgba(22,61,58,.06);
      border: 1px solid rgba(22,61,58,.1);
    }

    .progress-track {
      height: 12px;
      border-radius: var(--radius-pill);
      background: rgba(29,27,24,.1);
      overflow: hidden;
      margin-bottom: 10px;
    }

    .progress-fill {
      height: 100%;
      width: 68%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(29,27,24,.1);
      overflow: hidden;
    }

    .news-link {
      display: grid;
      grid-template-columns: 118px 1fr auto;
      align-items: center;
      gap: 18px;
      padding: 20px 24px;
      border-bottom: 1px solid rgba(29,27,24,.08);
    }

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

    .news-link time {
      color: var(--color-soft);
      font-weight: 850;
      font-size: .9rem;
    }

    .news-link b {
      display: block;
      font-size: 1.05rem;
      letter-spacing: -.02em;
      margin-bottom: 3px;
    }

    .news-link span {
      color: var(--color-muted);
      font-size: .94rem;
    }

    .news-link em {
      font-style: normal;
      color: var(--color-primary);
      font-weight: 950;
      transition: transform .22s var(--ease);
    }

    .news-link:hover {
      background: rgba(216,92,43,.055);
      color: inherit;
    }

    .news-link:hover em {
      transform: translateX(4px);
    }

    .recommend-card {
      border-radius: var(--radius-lg);
      padding: 26px;
      background:
        linear-gradient(145deg, rgba(29,27,24,.96), rgba(22,61,58,.96));
      color: #fff;
      position: sticky;
      top: 158px;
      overflow: hidden;
      box-shadow: 0 24px 70px rgba(29,27,24,.2);
    }

    .recommend-card::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -88px;
      top: -88px;
      border-radius: 50%;
      background: rgba(244,185,66,.18);
    }

    .recommend-card h3 {
      position: relative;
      margin: 16px 0 10px;
      font-size: 1.65rem;
      line-height: 1.13;
      font-weight: 940;
      letter-spacing: -.04em;
    }

    .recommend-card p {
      position: relative;
      color: rgba(255,255,255,.72);
      margin-bottom: 20px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 28px;
      align-items: start;
    }

    .faq-side {
      border-radius: var(--radius-lg);
      padding: 30px;
      background: rgba(255,255,255,.72);
      border: 1px solid rgba(29,27,24,.1);
      box-shadow: var(--shadow-inset);
      position: sticky;
      top: 158px;
    }

    .faq-side h2 {
      margin-top: 14px;
      font-size: clamp(1.8rem, 3vw, 2.8rem);
      line-height: 1.08;
      letter-spacing: -.06em;
      font-weight: 950;
    }

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

    .accordion-item {
      border: 1px solid rgba(29,27,24,.1) !important;
      border-radius: 22px !important;
      overflow: hidden;
      background: rgba(255,255,255,.74);
      box-shadow: var(--shadow-inset);
    }

    .accordion-button {
      padding: 19px 22px;
      font-weight: 900;
      color: var(--color-ink);
      background: transparent;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--color-primary-dark);
      background: rgba(216,92,43,.06);
    }

    .accordion-button:focus {
      box-shadow: 0 0 0 4px rgba(216,92,43,.13) !important;
      border-color: transparent;
    }

    .accordion-button::after {
      border-radius: 50%;
      background-color: rgba(216,92,43,.1);
      background-position: center;
      padding: 12px;
    }

    .accordion-body {
      padding: 0 22px 21px;
      color: var(--color-muted);
    }

    .cta-shell {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      border-radius: 42px;
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(216,92,43,.14), rgba(244,185,66,.18)),
        rgba(255,255,255,.74);
      border: 1px solid rgba(29,27,24,.1);
      box-shadow: var(--shadow-soft);
    }

    .cta-copy {
      padding: 14px 8px;
    }

    .cta-copy h2 {
      margin: 14px 0 14px;
      font-size: clamp(2rem, 4.2vw, 3.6rem);
      line-height: 1.02;
      font-weight: 950;
      letter-spacing: -.075em;
    }

    .cta-copy p {
      color: var(--color-muted);
      font-size: 1.04rem;
      margin-bottom: 22px;
    }

    .privacy-box {
      margin-top: 18px;
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(22,61,58,.07);
      border: 1px solid rgba(22,61,58,.1);
      color: var(--color-muted);
      font-size: .94rem;
    }

    .lead-form {
      border-radius: 32px;
      padding: 24px;
      background: #fff;
      border: 1px solid rgba(29,27,24,.1);
      box-shadow: 0 22px 60px rgba(29,27,24,.12);
    }

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

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

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

    .form-field label {
      font-weight: 850;
      font-size: .92rem;
    }

    .form-tip {
      margin: 14px 0 0;
      color: var(--color-muted);
      font-size: .9rem;
    }

    .form-message {
      display: none;
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 16px;
      color: #0d5139;
      background: rgba(45,139,103,.12);
      border: 1px solid rgba(45,139,103,.2);
      font-weight: 800;
    }

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

    .site-footer {
      padding: 58px 0 34px;
      background: #1d1b18;
      color: #fff;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 34px;
      align-items: start;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.11);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 950;
      font-size: 1.2rem;
      letter-spacing: -.03em;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      width: 38px;
      height: 38px;
      box-shadow: none;
    }

    .footer-about {
      max-width: 640px;
      color: rgba(255,255,255,.68);
      margin: 0;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-link {
      border-radius: var(--radius-pill);
      padding: 9px 13px;
      color: rgba(255,255,255,.74);
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      font-weight: 800;
      font-size: .92rem;
    }

    .footer-link:hover {
      color: #fff;
      background: rgba(216,92,43,.24);
      border-color: rgba(216,92,43,.3);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: rgba(255,255,255,.56);
      padding-top: 24px;
      font-size: .9rem;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 40;
      transform: translateX(-50%);
      display: none;
      align-items: center;
      gap: 10px;
      padding: 9px 10px 9px 16px;
      border-radius: var(--radius-pill);
      background: rgba(29,27,24,.88);
      color: #fff;
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: 0 18px 50px rgba(29,27,24,.3);
      backdrop-filter: blur(16px);
      white-space: nowrap;
    }

    .floating-cta span {
      font-weight: 850;
      font-size: .92rem;
    }

    @keyframes floatY {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    @media (max-width: 1024px) {
      :root {
        --container: 940px;
      }

      .topbar {
        grid-template-columns: auto 1fr;
      }

      .search-wrap {
        grid-column: 1 / -1;
        order: 3;
        max-width: none;
      }

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

      .hero-copy,
      .hero-side {
        padding: 8px 4px;
      }

      .stage {
        min-height: 460px;
        order: -1;
      }

      .stage-chip {
        display: none;
      }

      .section-head,
      .matrix-wrap,
      .insight-wrap,
      .news-layout,
      .faq-wrap,
      .cta-shell {
        grid-template-columns: 1fr;
      }

      .recommend-card,
      .faq-side {
        position: relative;
        top: auto;
      }

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

      .preview-stack {
        min-height: 360px;
      }
    }

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

      .site-header {
        position: relative;
      }

      .topbar {
        gap: 14px;
      }

      .brand {
        font-size: 1.05rem;
      }

      .brand small {
        display: none;
      }

      .header-actions .btn-light-rou {
        display: none;
      }

      .btn-rou {
        padding: 11px 15px;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-shell,
      .cta-shell {
        border-radius: 30px;
        padding: 18px;
      }

      .hero h1 {
        font-size: clamp(2.35rem, 14vw, 4.2rem);
      }

      .hero-metrics,
      .results-bar,
      .proof-grid,
      .tiers,
      .logo-wall {
        grid-template-columns: 1fr;
      }

      .result-item {
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.11);
      }

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

      .matrix-cards,
      .screen-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

      .section-head {
        margin-bottom: 24px;
      }

      .news-link {
        grid-template-columns: 1fr auto;
        gap: 8px 14px;
      }

      .news-link time {
        grid-column: 1 / -1;
      }

      .footer-grid,
      .copyright {
        grid-template-columns: 1fr;
        flex-direction: column;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .floating-cta {
        display: inline-flex;
      }
    }

    @media (max-width: 520px) {
      .topbar {
        grid-template-columns: 1fr;
      }

      .header-actions {
        justify-content: stretch;
      }

      .header-actions .btn-primary-rou {
        width: 100%;
      }

      .channel-scroll {
        padding-bottom: 10px;
      }

      .stage {
        min-height: 390px;
        padding: 0;
      }

      .screen {
        padding: 16px;
      }

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

      .screen-badge {
        width: 72px;
        height: 72px;
      }

      .product-window {
        border-radius: 24px;
      }

      .experience-panel,
      .lead-form,
      .matrix-feature,
      .recommend-card,
      .faq-side {
        border-radius: 26px;
        padding: 22px;
      }

      .preview-card:nth-child(2) {
        transform: translate(14px, 34px) rotate(3deg);
      }

      .news-link {
        padding: 17px;
      }

      .floating-cta {
        width: calc(100% - 24px);
        justify-content: space-between;
      }

      .floating-cta .btn-rou {
        padding-inline: 13px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}