/* roulang page: index */
:root {
      --bg: #101114;
      --bg-2: #151515;
      --panel: #1c1d22;
      --panel-soft: #24262d;
      --orange: #ff6a00;
      --orange-dark: #e35600;
      --cyan: #00d6c9;
      --pink: #ff2f55;
      --white: #ffffff;
      --paper: #f6f7f9;
      --ink: #18191f;
      --muted: #5f6572;
      --muted-dark: #d7dae0;
      --line: #e8ebf0;
      --line-dark: rgba(255,255,255,.12);
      --radius: 8px;
      --shadow: 0 8px 24px rgba(16,17,20,.08);
      --shadow-strong: 0 18px 46px rgba(0,0,0,.32);
      --nav-w: 104px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background: var(--paper);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

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

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 6px;
      background: rgba(255,255,255,.08);
      color: var(--white);
      padding: 12px 13px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    input::placeholder,
    textarea::placeholder {
      color: rgba(255,255,255,.62);
    }

    input:focus,
    select:focus,
    textarea:focus,
    button:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
      box-shadow: 0 0 0 4px rgba(0,214,201,.14);
    }

    .site-shell {
      min-height: 100vh;
      padding-left: var(--nav-w);
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-w);
      background: #0b0c0f;
      color: var(--white);
      border-right: 1px solid rgba(255,255,255,.1);
      z-index: 20;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      padding: 16px 12px;
      box-shadow: 10px 0 30px rgba(0,0,0,.18);
    }

    .brand-mark {
      min-height: 86px;
      display: grid;
      place-items: center;
      text-align: center;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255,106,0,.18), rgba(0,214,201,.08));
      padding: 8px;
      color: var(--white);
      font-weight: 900;
      font-size: 13px;
      line-height: 1.28;
      word-break: break-word;
    }

    .desktop-links {
      margin-top: 22px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .nav-item {
      position: relative;
      min-height: 64px;
      border-radius: 6px;
      color: rgba(255,255,255,.72);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 800;
      border: 1px solid transparent;
    }

    .nav-item .nav-icon {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      background: rgba(255,255,255,.07);
      color: var(--cyan);
      font-size: 16px;
      line-height: 1;
    }

    .nav-item:hover {
      color: var(--white);
      border-color: rgba(0,214,201,.35);
      background: rgba(0,214,201,.08);
      transform: translateY(-1px);
    }

    .nav-item.active {
      color: var(--white);
      background: var(--orange);
      border-color: var(--orange);
      box-shadow: 0 10px 22px rgba(255,106,0,.28);
    }

    .nav-item.active .nav-icon {
      color: #151515;
      background: rgba(255,255,255,.85);
    }

    .nav-trust {
      margin-top: auto;
      border-radius: 6px;
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.12);
      padding: 10px 8px;
      text-align: center;
      font-size: 12px;
      color: rgba(255,255,255,.72);
      line-height: 1.55;
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 30;
      height: 60px;
      background: #0b0c0f;
      border-bottom: 1px solid rgba(255,255,255,.1);
      color: var(--white);
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
    }

    .mobile-brand {
      font-weight: 900;
      font-size: 15px;
      max-width: calc(100vw - 92px);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .menu-toggle {
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 6px;
      background: rgba(255,255,255,.08);
      color: var(--white);
      padding: 8px 11px;
      cursor: pointer;
      font-weight: 800;
    }

    .mobile-menu {
      display: none;
      background: #0b0c0f;
      border-bottom: 1px solid rgba(255,255,255,.1);
      padding: 10px 16px 14px;
      position: sticky;
      top: 60px;
      z-index: 29;
    }

    .mobile-menu.is-open {
      display: block;
    }

    .mobile-menu .nav-item {
      min-height: 46px;
      flex-direction: row;
      justify-content: flex-start;
      padding: 0 12px;
      margin-bottom: 8px;
      font-size: 14px;
    }

    .page-main {
      background: var(--paper);
    }

    .section {
      padding: 78px 0;
    }

    .container {
      width: min(var(--container), calc(100vw - var(--nav-w) - 56px));
      margin: 0 auto;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--orange);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .section-title {
      margin: 0;
      color: var(--ink);
      font-size: 32px;
      line-height: 1.2;
      font-weight: 900;
    }

    .section-desc {
      margin: 10px 0 0;
      max-width: 700px;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      position: relative;
      min-height: 690px;
      padding: 54px 0 68px;
      color: var(--white);
      background:
        linear-gradient(90deg, rgba(255,106,0,.16) 0 1px, transparent 1px 64px),
        linear-gradient(0deg, rgba(0,214,201,.1) 0 1px, transparent 1px 64px),
        radial-gradient(circle at 18% 18%, rgba(255,106,0,.23), transparent 34%),
        radial-gradient(circle at 84% 30%, rgba(0,214,201,.18), transparent 28%),
        var(--bg);
      overflow: hidden;
    }

    .hero:after {
      content: "";
      position: absolute;
      right: -18%;
      top: 10%;
      width: 48%;
      height: 80%;
      background: rgba(255,106,0,.18);
      transform: skewX(-18deg);
      border-left: 1px solid rgba(255,255,255,.12);
    }

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

    .hero-band {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 32px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 34px 0 28px;
      max-width: 690px;
    }

    .hot-label {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      padding: 8px 14px;
      color: var(--muted-dark);
      background: rgba(255,255,255,.06);
      font-size: 13px;
      font-weight: 800;
    }

    .hot-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--pink);
      box-shadow: 0 0 0 5px rgba(255,47,85,.18);
    }

    h1 {
      margin: 22px 0 18px;
      font-size: clamp(34px, 4.2vw, 56px);
      line-height: 1.14;
      font-weight: 900;
      color: var(--white);
      word-break: break-word;
      letter-spacing: 0;
    }

    .hero-intro {
      margin: 0;
      max-width: 660px;
      color: rgba(255,255,255,.78);
      font-size: 17px;
      line-height: 1.85;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      border-radius: 6px;
      padding: 12px 18px;
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 900;
      cursor: pointer;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-primary {
      background: var(--orange);
      color: #111;
      box-shadow: 0 12px 26px rgba(255,106,0,.28);
    }

    .btn-primary:hover {
      background: var(--orange-dark);
      color: #111;
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(255,106,0,.34);
    }

    .btn-secondary {
      color: var(--white);
      border-color: var(--cyan);
      background: rgba(0,214,201,.06);
    }

    .btn-secondary:hover {
      background: var(--cyan);
      color: #0b0c0f;
      transform: translateY(-1px);
    }

    .btn-dark {
      background: #101114;
      color: var(--white);
      border-color: #101114;
    }

    .btn-dark:hover {
      background: #22242a;
      color: var(--white);
      transform: translateY(-1px);
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 650px;
    }

    .metric {
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      border-radius: var(--radius);
      padding: 15px;
      min-height: 94px;
    }

    .metric strong {
      display: block;
      color: var(--cyan);
      font-size: 24px;
      line-height: 1;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .metric span {
      color: rgba(255,255,255,.68);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-board {
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background: rgba(14,15,18,.86);
      box-shadow: var(--shadow-strong);
      padding: 18px;
      align-self: stretch;
      min-height: 550px;
    }

    .board-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .board-title {
      font-size: 18px;
      font-weight: 900;
    }

    .burst {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 82px;
      height: 42px;
      padding: 0 12px;
      color: var(--white);
      background: var(--pink);
      font-size: 13px;
      font-weight: 900;
      clip-path: polygon(8% 0, 100% 0, 92% 50%, 100% 100%, 8% 100%, 0 50%);
      white-space: nowrap;
    }

    .rank-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 42px 1fr auto;
      gap: 12px;
      align-items: center;
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 7px;
      background: rgba(255,255,255,.055);
      padding: 14px;
      min-height: 92px;
    }

    .rank-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      color: #111;
      background: var(--orange);
      font-weight: 900;
    }

    .rank-info h3 {
      margin: 0 0 4px;
      color: var(--white);
      font-size: 17px;
      line-height: 1.35;
    }

    .rank-info p {
      margin: 0;
      color: rgba(255,255,255,.64);
      font-size: 13px;
      line-height: 1.55;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      border-radius: 999px;
      padding: 4px 9px;
      color: var(--cyan);
      background: rgba(0,214,201,.1);
      border: 1px solid rgba(0,214,201,.28);
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .countdown-strip {
      margin-top: -1px;
      padding: 22px 0;
      color: var(--white);
      background: #0b0c0f;
      border-top: 1px solid rgba(255,255,255,.08);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .countdown-inner {
      display: grid;
      grid-template-columns: 1.2fr auto;
      gap: 24px;
      align-items: center;
    }

    .countdown-title {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      font-size: 18px;
    }

    .countdown-title span {
      color: rgba(255,255,255,.7);
      font-size: 14px;
      font-weight: 700;
    }

    .timer {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .time-box {
      min-width: 58px;
      height: 52px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      background: var(--orange);
      color: #111;
      font-size: 22px;
      font-weight: 900;
      line-height: 1;
    }

    .time-sep {
      color: var(--cyan);
      font-size: 22px;
      font-weight: 900;
    }

    .feature-wall {
      background: var(--white);
    }

    .wall-grid {
      display: grid;
      grid-template-columns: 1.25fr .9fr .9fr;
      gap: 16px;
    }

    .feature-card {
      position: relative;
      min-height: 238px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--white);
      padding: 22px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .feature-card.large {
      grid-row: span 2;
      min-height: 492px;
      background:
        linear-gradient(135deg, rgba(255,106,0,.12), rgba(0,214,201,.08)),
        #fff;
    }

    .feature-card:hover {
      border-color: var(--cyan);
      transform: translateY(-3px);
      box-shadow: 0 18px 34px rgba(16,17,20,.13);
    }

    .corner-badge {
      position: absolute;
      right: 16px;
      top: 16px;
      border-radius: 6px;
      padding: 5px 9px;
      color: var(--white);
      background: var(--pink);
      font-size: 12px;
      font-weight: 900;
    }

    .feature-card h3 {
      margin: 38px 0 10px;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 900;
    }

    .feature-card.large h3 {
      margin-top: 54px;
      font-size: 28px;
    }

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

    .heat-bar {
      height: 8px;
      border-radius: 99px;
      background: #edf0f4;
      overflow: hidden;
      margin-top: 18px;
    }

    .heat-bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--orange), var(--cyan));
    }

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

    .tag {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 5px 10px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .checklist-section {
      background: #f0f2f5;
    }

    .check-grid {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 20px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: 24px;
      border-radius: var(--radius);
      background: #101114;
      color: var(--white);
      padding: 20px;
      border: 1px solid rgba(255,255,255,.1);
      box-shadow: var(--shadow);
    }

    .filter-panel h3 {
      margin: 0 0 14px;
      font-size: 20px;
      font-weight: 900;
    }

    .pill-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .pill {
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      padding: 7px 10px;
      color: rgba(255,255,255,.78);
      background: rgba(255,255,255,.06);
      font-size: 13px;
      font-weight: 800;
    }

    .pill.active,
    .pill:hover {
      color: #111;
      background: var(--cyan);
      border-color: var(--cyan);
    }

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

    .check-item {
      display: grid;
      grid-template-columns: 54px 1fr auto;
      gap: 16px;
      align-items: center;
      min-height: 118px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--white);
      padding: 16px;
      box-shadow: var(--shadow);
    }

    .check-item:hover {
      border-color: var(--orange);
      transform: translateY(-2px);
    }

    .index-num {
      color: var(--orange);
      font-size: 28px;
      line-height: 1;
      font-weight: 900;
    }

    .check-item h3 {
      margin: 0 0 5px;
      font-size: 19px;
      line-height: 1.35;
      font-weight: 900;
    }

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

    .compare-section {
      background: var(--bg-2);
      color: var(--white);
    }

    .compare-section .section-title {
      color: var(--white);
    }

    .compare-section .section-desc {
      color: rgba(255,255,255,.68);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr 1fr;
      gap: 16px;
    }

    .compare-card {
      border-radius: var(--radius);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding: 22px;
      min-height: 285px;
      position: relative;
    }

    .compare-card.recommended {
      background: linear-gradient(180deg, rgba(255,106,0,.2), rgba(255,255,255,.06));
      border-color: rgba(255,106,0,.58);
      transform: translateY(-10px);
    }

    .compare-card h3 {
      margin: 28px 0 8px;
      color: var(--white);
      font-size: 22px;
      font-weight: 900;
    }

    .compare-card p {
      margin: 0 0 18px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .compare-card ul {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .compare-card li {
      color: rgba(255,255,255,.82);
      font-size: 14px;
    }

    .compare-card li:before {
      content: "•";
      color: var(--cyan);
      font-weight: 900;
      margin-right: 7px;
    }

    .news-section {
      background: var(--white);
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 20px;
      align-items: start;
    }

    .news-list {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .news-row {
      display: grid;
      grid-template-columns: 108px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 18px;
      border-bottom: 1px solid var(--line);
    }

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

    .news-row:hover {
      background: #fbfcfd;
    }

    .news-date {
      display: grid;
      place-items: center;
      min-height: 62px;
      border-radius: 6px;
      background: #101114;
      color: var(--white);
      font-size: 13px;
      font-weight: 900;
      text-align: center;
    }

    .news-row h3 {
      margin: 0 0 5px;
      font-size: 18px;
      line-height: 1.36;
      font-weight: 900;
    }

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

    .side-panel {
      position: sticky;
      top: 24px;
      border-radius: var(--radius);
      background: #101114;
      color: var(--white);
      padding: 20px;
      border: 1px solid rgba(255,255,255,.1);
      box-shadow: var(--shadow);
    }

    .side-panel h3 {
      margin: 0 0 14px;
      font-size: 20px;
      font-weight: 900;
    }

    .side-entry {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255,255,255,.1);
      color: rgba(255,255,255,.78);
      font-size: 14px;
      font-weight: 800;
    }

    .side-entry:last-child {
      border-bottom: 0;
    }

    .side-entry:hover {
      color: var(--cyan);
    }

    .data-section {
      background: #f0f2f5;
    }

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

    .data-card {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--white);
      padding: 22px;
      min-height: 184px;
      box-shadow: var(--shadow);
    }

    .data-card strong {
      display: block;
      color: var(--orange);
      font-size: 34px;
      line-height: 1;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .data-card h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 900;
    }

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

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

    .quote-track {
      display: grid;
      grid-template-columns: repeat(4, minmax(260px, 1fr));
      gap: 14px;
    }

    .quote {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      padding: 18px;
      min-height: 154px;
      box-shadow: var(--shadow);
    }

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

    .avatar {
      width: 34px;
      height: 34px;
      border-radius: 6px;
      background: linear-gradient(135deg, var(--orange), var(--cyan));
    }

    .stars {
      color: var(--orange);
      font-weight: 900;
      letter-spacing: 0;
    }

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

    .cta-section {
      padding: 72px 0;
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(255,106,0,.92), rgba(255,47,85,.74)),
        #ff6a00;
    }

    .cta-box {
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 28px;
      align-items: center;
    }

    .cta-copy h2 {
      margin: 0 0 12px;
      color: #111;
      font-size: 34px;
      line-height: 1.2;
      font-weight: 900;
    }

    .cta-copy p {
      margin: 0;
      max-width: 650px;
      color: rgba(17,17,17,.78);
      font-size: 16px;
    }

    .lead-form {
      border-radius: var(--radius);
      background: rgba(16,17,20,.96);
      border: 1px solid rgba(255,255,255,.12);
      padding: 20px;
      box-shadow: var(--shadow-strong);
    }

    .lead-form label {
      color: rgba(255,255,255,.72);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 6px;
    }

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

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

    .form-note {
      margin: 10px 0 0;
      color: rgba(255,255,255,.56);
      font-size: 12px;
      line-height: 1.5;
    }

    .faq-section {
      background: #f6f7f9;
    }

    .accordion {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #fff;
    }

    .accordion-title {
      color: var(--ink);
      font-size: 16px;
      font-weight: 900;
      padding: 18px 48px 18px 18px;
      border: 0;
      border-bottom: 1px solid var(--line);
      line-height: 1.45;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: #fff7f0;
      color: var(--orange-dark);
    }

    .accordion-content {
      border: 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
      padding: 18px;
    }

    .site-footer {
      padding: 46px 0 24px;
      color: rgba(255,255,255,.72);
      background: #0b0c0f;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 26px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      color: var(--white);
      font-size: 20px;
      line-height: 1.35;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer-grid p {
      margin: 0;
      max-width: 560px;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 12px;
      color: var(--white);
      font-size: 15px;
      font-weight: 900;
    }

    .footer-col a {
      display: block;
      margin: 8px 0;
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 18px;
      font-size: 13px;
      color: rgba(255,255,255,.56);
    }

    @media (max-width: 1180px) {
      .container {
        width: min(100% - 40px, 980px);
      }

      .hero-band,
      .cta-box,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .hero-board {
        min-height: auto;
      }

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

      .feature-card.large {
        grid-row: auto;
        grid-column: 1 / -1;
        min-height: 320px;
      }

      .side-panel {
        position: static;
      }
    }

    @media (max-width: 860px) {
      .site-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-bar {
        display: flex;
      }

      .container {
        width: min(100% - 32px, 720px);
      }

      .section {
        padding: 54px 0;
      }

      .hero {
        min-height: auto;
        padding: 42px 0 54px;
      }

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

      .hero-copy {
        padding: 0;
      }

      .hero-metrics,
      .wall-grid,
      .compare-grid,
      .data-grid,
      .quote-track,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .countdown-inner {
        grid-template-columns: 1fr;
      }

      .timer {
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .filter-panel {
        position: static;
      }

      .pill-list {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .pill {
        flex: 0 0 auto;
      }

      .check-item,
      .news-row {
        grid-template-columns: 1fr;
      }

      .compare-card.recommended {
        transform: none;
      }

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

      .section-head {
        display: block;
      }

      .cta-copy h2,
      .section-title {
        font-size: 26px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 32px;
      }

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

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

      .btn {
        width: 100%;
      }

      .rank-item {
        grid-template-columns: 38px 1fr;
      }

      .rank-item .mini-tag {
        grid-column: 2;
        justify-self: start;
      }

      .time-box {
        min-width: 50px;
        height: 46px;
        font-size: 19px;
      }

      .feature-card,
      .lead-form,
      .compare-card,
      .data-card {
        padding: 18px;
      }

      .copyright {
        display: block;
      }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #101114;
      --bg-deep: #151515;
      --panel-dark: #1d1f24;
      --paper: #ffffff;
      --paper-soft: #f6f7f9;
      --text: #18191f;
      --muted: #5f6572;
      --muted-light: #d7dae0;
      --line: #e8ebf0;
      --line-dark: rgba(255,255,255,.12);
      --orange: #ff6a00;
      --orange-dark: #e95a00;
      --cyan: #00d6c9;
      --hot: #ff2f55;
      --radius: 8px;
      --shadow: 0 8px 24px rgba(16,17,20,.08);
      --shadow-strong: 0 20px 48px rgba(16,17,20,.18);
      --nav-width: 104px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background: var(--paper-soft);
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

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

    button,
    .button {
      border-radius: 6px;
      font-weight: 800;
      min-height: 44px;
      letter-spacing: 0;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    button:focus,
    a:focus,
    input:focus,
    select:focus,
    textarea:focus {
      outline: 3px solid rgba(0,214,201,.35);
      outline-offset: 2px;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .page-shell {
      min-height: 100vh;
      padding-left: var(--nav-width);
    }

    .side-nav {
      position: fixed;
      inset: 0 auto 0 0;
      width: var(--nav-width);
      z-index: 40;
      background: var(--bg-dark);
      color: #fff;
      border-right: 1px solid var(--line-dark);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 18px 10px;
    }

    .brand-mark {
      width: 76px;
      min-height: 112px;
      padding: 10px 8px;
      border: 1px solid rgba(255,106,0,.45);
      background: linear-gradient(180deg, rgba(255,106,0,.16), rgba(0,214,201,.08));
      border-radius: var(--radius);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      font-size: 15px;
      font-weight: 900;
      line-height: 1.25;
      word-break: break-word;
    }

    .desktop-links {
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 32px;
    }

    .nav-item {
      position: relative;
      min-height: 72px;
      padding: 9px 6px;
      border-radius: var(--radius);
      color: var(--muted-light);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border: 1px solid transparent;
      font-size: 13px;
      font-weight: 800;
      line-height: 1.3;
    }

    .nav-item:hover {
      color: #fff;
      border-color: rgba(0,214,201,.45);
      background: rgba(0,214,201,.08);
      transform: translateY(-1px);
    }

    .nav-item.active {
      color: #111;
      background: var(--orange);
      box-shadow: 0 12px 30px rgba(255,106,0,.28);
    }

    .nav-icon {
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 6px;
      border-radius: 6px;
      background: rgba(255,255,255,.12);
      font-weight: 900;
    }

    .nav-item.active .nav-icon {
      background: rgba(16,17,20,.14);
    }

    .side-trust {
      margin-top: auto;
      width: 76px;
      padding: 10px 6px;
      border-radius: var(--radius);
      border: 1px dashed rgba(0,214,201,.38);
      color: var(--muted-light);
      text-align: center;
      font-size: 12px;
      line-height: 1.45;
    }

    .mobile-bar {
      display: none;
      position: sticky;
      top: 0;
      z-index: 60;
      min-height: 60px;
      background: rgba(16,17,20,.98);
      color: #fff;
      border-bottom: 1px solid var(--line-dark);
    }

    .mobile-bar-inner {
      width: min(var(--container), calc(100% - 32px));
      min-height: 60px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .mobile-brand {
      font-weight: 900;
      line-height: 1.2;
      font-size: 15px;
      max-width: 230px;
    }

    .menu-button {
      width: 44px;
      height: 42px;
      border: 1px solid rgba(255,255,255,.18);
      background: rgba(255,255,255,.08);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      cursor: pointer;
    }

    .menu-lines,
    .menu-lines::before,
    .menu-lines::after {
      display: block;
      width: 19px;
      height: 2px;
      background: #fff;
      content: "";
      border-radius: 2px;
    }

    .menu-lines {
      position: relative;
    }

    .menu-lines::before {
      position: absolute;
      top: -6px;
      left: 0;
    }

    .menu-lines::after {
      position: absolute;
      top: 6px;
      left: 0;
    }

    .mobile-menu {
      display: none;
      background: #151515;
      border-top: 1px solid var(--line-dark);
      padding: 10px 16px 16px;
    }

    .mobile-menu.is-open {
      display: block;
    }

    .mobile-menu .nav-item {
      min-height: 48px;
      flex-direction: row;
      justify-content: flex-start;
      padding: 9px 12px;
      margin: 8px 0;
    }

    .mobile-menu .nav-icon {
      margin: 0 10px 0 0;
    }

    .top-strip {
      background: var(--paper);
      border-bottom: 1px solid var(--line);
    }

    .strip-inner {
      min-height: 54px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted);
      font-size: 14px;
    }

    .strip-left,
    .strip-right {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 900;
      line-height: 1.2;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .badge.hot {
      color: #fff;
      background: var(--hot);
      box-shadow: 0 8px 18px rgba(255,47,85,.2);
    }

    .badge.orange {
      color: #111;
      background: var(--orange);
    }

    .badge.cyan {
      color: #06201e;
      background: var(--cyan);
    }

    .badge.line {
      color: var(--text);
      background: #fff;
      border-color: var(--line);
    }

    .countdown {
      display: inline-grid;
      grid-auto-flow: column;
      align-items: center;
      gap: 5px;
      font-weight: 900;
      color: var(--text);
    }

    .time-box {
      min-width: 30px;
      height: 28px;
      padding: 2px 6px;
      border-radius: 6px;
      background: var(--bg-dark);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 1;
    }

    .inner-hero {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(255,106,0,.15), transparent 28%),
        linear-gradient(0deg, rgba(0,214,201,.08), transparent 34%),
        var(--bg-dark);
      color: #fff;
      padding: 42px 0 36px;
    }

    .inner-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity: .55;
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 8px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--cyan);
      font-weight: 900;
      font-size: 13px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--orange);
      border-radius: 2px;
      box-shadow: 14px 0 0 var(--cyan);
    }

    h1 {
      margin: 0;
      max-width: 820px;
      font-size: clamp(30px, 4.2vw, 52px);
      line-height: 1.15;
      font-weight: 900;
      letter-spacing: 0;
      word-break: break-word;
    }

    .hero-summary {
      max-width: 760px;
      margin: 16px 0 0;
      color: var(--muted-light);
      font-size: 17px;
      line-height: 1.75;
    }

    .hero-actions {
      margin-top: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-main,
    .btn-ghost,
    .btn-dark,
    .btn-small {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      border-radius: 6px;
      padding: 11px 18px;
      font-weight: 900;
      line-height: 1.2;
      border: 1px solid transparent;
      cursor: pointer;
      text-align: center;
    }

    .btn-main {
      background: var(--orange);
      color: #111;
      box-shadow: 0 12px 28px rgba(255,106,0,.25);
    }

    .btn-main:hover {
      background: var(--orange-dark);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(255,106,0,.32);
    }

    .btn-ghost {
      background: transparent;
      color: #fff;
      border-color: rgba(0,214,201,.7);
    }

    .btn-ghost:hover {
      background: var(--cyan);
      color: #06201e;
      transform: translateY(-1px);
    }

    .btn-dark {
      background: var(--bg-dark);
      color: #fff;
      border-color: rgba(255,255,255,.12);
    }

    .btn-dark:hover {
      background: #000;
      color: var(--cyan);
      transform: translateY(-1px);
    }

    .btn-small {
      min-height: 36px;
      padding: 8px 12px;
      font-size: 13px;
      color: var(--text);
      background: #fff;
      border-color: var(--line);
    }

    .btn-small:hover {
      border-color: var(--cyan);
      color: #06413d;
      transform: translateY(-1px);
    }

    .hero-panel {
      min-height: 260px;
      border: 1px solid var(--line-dark);
      border-radius: var(--radius);
      background: rgba(255,255,255,.06);
      padding: 16px;
      box-shadow: 0 24px 60px rgba(0,0,0,.22);
    }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line-dark);
      font-weight: 900;
    }

    .vertical-flow {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .flow-item {
      display: grid;
      grid-template-columns: 36px 1fr auto;
      gap: 10px;
      align-items: center;
      min-height: 58px;
      padding: 10px;
      border-radius: var(--radius);
      background: rgba(16,17,20,.62);
      border: 1px solid rgba(255,255,255,.1);
    }

    .flow-num {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      background: var(--orange);
      color: #111;
      font-weight: 900;
    }

    .flow-title {
      margin: 0;
      color: #fff;
      font-size: 15px;
      font-weight: 900;
      line-height: 1.35;
    }

    .flow-note {
      margin: 2px 0 0;
      color: var(--muted-light);
      font-size: 12px;
      line-height: 1.45;
    }

    main {
      background: var(--paper-soft);
    }

    .section {
      padding: 74px 0;
    }

    .section.tight {
      padding: 52px 0;
    }

    .section.dark {
      background: var(--bg-deep);
      color: #fff;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .82fr) auto;
      gap: 20px;
      align-items: end;
      margin-bottom: 24px;
    }

    .section-kicker {
      color: var(--orange);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 6px;
    }

    h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.22;
      font-weight: 900;
      letter-spacing: 0;
      word-break: break-word;
    }

    .section-desc {
      margin: 8px 0 0;
      color: var(--muted);
      max-width: 720px;
      font-size: 16px;
    }

    .dark .section-desc {
      color: var(--muted-light);
    }

    .filter-bar {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      padding: 14px;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .filter-pill {
      min-height: 38px;
      padding: 8px 14px;
      border-radius: 6px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
      font-weight: 900;
      cursor: pointer;
      white-space: nowrap;
    }

    .filter-pill:hover {
      border-color: var(--cyan);
      color: #06413d;
      transform: translateY(-1px);
    }

    .filter-pill.active {
      background: var(--orange);
      border-color: var(--orange);
      color: #111;
      box-shadow: 0 10px 22px rgba(255,106,0,.2);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 316px;
      gap: 24px;
      align-items: start;
    }

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

    .update-card {
      position: relative;
      min-height: 230px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    .update-card:hover {
      border-color: var(--cyan);
      box-shadow: var(--shadow-strong);
      transform: translateY(-2px);
    }

    .update-card.featured {
      grid-column: 1 / -1;
      min-height: 250px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 260px;
      gap: 20px;
      align-items: stretch;
      background:
        linear-gradient(135deg, rgba(255,106,0,.1), transparent 38%),
        #fff;
    }

    .corner-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      padding: 5px 9px;
      border-radius: 6px;
      background: var(--hot);
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      line-height: 1.2;
      z-index: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
      padding-right: 72px;
    }

    .rank {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: var(--bg-dark);
      color: var(--cyan);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 14px;
    }

    .update-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 900;
      letter-spacing: 0;
      word-break: break-word;
    }

    .update-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.72;
    }

    .card-bottom {
      margin-top: auto;
      padding-top: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .heat {
      width: min(170px, 100%);
    }

    .heat-label {
      display: flex;
      justify-content: space-between;
      margin-bottom: 5px;
      font-size: 12px;
      color: var(--muted);
      font-weight: 800;
    }

    .heat-track {
      height: 8px;
      border-radius: 99px;
      background: #edf0f4;
      overflow: hidden;
    }

    .heat-fill {
      height: 100%;
      width: var(--heat, 70%);
      border-radius: inherit;
      background: linear-gradient(90deg, var(--orange), var(--cyan));
    }

    .feature-panel {
      border-radius: var(--radius);
      background: var(--bg-dark);
      color: #fff;
      padding: 16px;
      display: grid;
      align-content: space-between;
      gap: 14px;
      border: 1px solid var(--line-dark);
    }

    .feature-panel strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      color: var(--orange);
    }

    .feature-panel span {
      color: var(--muted-light);
      font-size: 13px;
    }

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

    .mini-stat {
      min-height: 72px;
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      padding: 10px;
      background: rgba(255,255,255,.06);
    }

    .side-panel {
      position: sticky;
      top: 24px;
      display: grid;
      gap: 14px;
    }

    .sidebar-card {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: var(--shadow);
      padding: 16px;
    }

    .sidebar-card.dark-card {
      background: var(--bg-dark);
      color: #fff;
      border-color: var(--line-dark);
    }

    .sidebar-card h3 {
      margin: 0 0 12px;
      font-size: 18px;
      font-weight: 900;
      line-height: 1.35;
    }

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

    .quick-list a,
    .quick-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      min-height: 42px;
      padding: 9px 10px;
      border-radius: 6px;
      background: var(--paper-soft);
      color: var(--text);
      font-weight: 800;
      font-size: 14px;
      border: 1px solid transparent;
    }

    .quick-list a:hover {
      border-color: var(--cyan);
      color: #06413d;
      transform: translateX(2px);
    }

    .dark-card .quick-list a,
    .dark-card .quick-list li {
      background: rgba(255,255,255,.07);
      color: #fff;
      border-color: rgba(255,255,255,.08);
    }

    .dark-card .quick-list a:hover {
      color: var(--cyan);
      border-color: rgba(0,214,201,.55);
    }

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

    .compare-card {
      min-height: 250px;
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line-dark);
      background: rgba(255,255,255,.06);
    }

    .compare-card h3 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 21px;
      font-weight: 900;
    }

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

    .check-list li {
      position: relative;
      padding-left: 28px;
      color: var(--muted-light);
      font-size: 15px;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .55em;
      width: 16px;
      height: 16px;
      border-radius: 4px;
      background: var(--cyan);
      box-shadow: inset 0 0 0 4px rgba(16,17,20,.18);
    }

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

    .timeline-item {
      display: grid;
      grid-template-columns: 88px 1fr auto;
      gap: 14px;
      align-items: center;
      min-height: 74px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
    }

    .timeline-time {
      color: var(--orange);
      font-weight: 900;
      line-height: 1.2;
    }

    .timeline-title {
      margin: 0;
      font-size: 17px;
      line-height: 1.35;
      font-weight: 900;
    }

    .timeline-text {
      margin: 3px 0 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .quote-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .quote {
      min-height: 138px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #fff;
      box-shadow: var(--shadow);
    }

    .quote-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 10px;
    }

    .avatar-dot {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: linear-gradient(135deg, var(--orange), var(--cyan));
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #111;
      font-weight: 900;
    }

    .stars {
      color: var(--orange);
      font-weight: 900;
      white-space: nowrap;
    }

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

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background:
        linear-gradient(100deg, var(--orange), #ff8b2b 58%, var(--cyan));
      color: #111;
      padding: 28px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 20px;
      align-items: center;
      box-shadow: 0 20px 44px rgba(255,106,0,.24);
    }

    .cta-panel::after {
      content: "更新";
      position: absolute;
      right: 22px;
      top: -18px;
      width: 74px;
      height: 74px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      clip-path: polygon(50% 0, 62% 25%, 90% 12%, 76% 43%, 100% 58%, 70% 65%, 74% 100%, 50% 76%, 25% 100%, 30% 65%, 0 58%, 24% 43%, 10% 12%, 38% 25%);
      background: var(--hot);
      color: #fff;
      font-weight: 900;
      font-size: 15px;
      transform: rotate(10deg);
    }

    .cta-panel h2 {
      max-width: 760px;
    }

    .cta-panel p {
      margin: 8px 0 0;
      max-width: 760px;
      color: rgba(17,17,17,.78);
      font-weight: 700;
    }

    .cta-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
      padding-right: 70px;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(320px, 1fr);
      gap: 24px;
      align-items: start;
    }

    .contact-note {
      padding: 22px;
      border-radius: var(--radius);
      background: var(--bg-dark);
      color: #fff;
      border: 1px solid var(--line-dark);
    }

    .contact-note h2 {
      color: #fff;
    }

    .contact-note p {
      color: var(--muted-light);
      margin: 10px 0 0;
    }

    .form-card {
      padding: 20px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

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

    .field {
      display: grid;
      gap: 6px;
    }

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

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

    .field input,
    .field select,
    .field textarea {
      width: 100%;
      min-height: 44px;
      margin: 0;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: #fff;
      box-shadow: none;
      color: var(--text);
      padding: 10px 12px;
    }

    .field textarea {
      min-height: 92px;
      resize: vertical;
    }

    .field input:hover,
    .field select:hover,
    .field textarea:hover {
      border-color: rgba(0,214,201,.65);
    }

    .form-actions {
      margin-top: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .form-hint {
      color: var(--muted);
      font-size: 13px;
    }

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

    .accordion-item {
      margin-bottom: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .accordion-title {
      border: 0;
      color: var(--text);
      font-weight: 900;
      font-size: 16px;
      line-height: 1.45;
      padding: 18px 48px 18px 18px;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(0,214,201,.07);
      color: var(--text);
    }

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

    .accordion-content {
      border: 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      line-height: 1.75;
      padding: 16px 18px;
    }

    .site-footer {
      background: var(--bg-dark);
      color: #fff;
      padding: 48px 0 22px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) .7fr .7fr;
      gap: 26px;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--line-dark);
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      line-height: 1.35;
      margin-bottom: 10px;
      color: #fff;
    }

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

    .footer-col h3 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 15px;
      font-weight: 900;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      color: var(--muted-light);
      font-size: 14px;
      margin: 7px 0;
    }

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

    .copyright {
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      color: rgba(215,218,224,.78);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      :root {
        --nav-width: 88px;
      }

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

      .brand-mark,
      .side-trust {
        width: 66px;
        font-size: 13px;
      }

      .hero-grid,
      .content-layout,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 680px;
      }

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

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

      .compare-band,
      .quote-strip {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
        padding-right: 76px;
      }
    }

    @media (max-width: 768px) {
      .page-shell {
        padding-left: 0;
      }

      .side-nav {
        display: none;
      }

      .mobile-bar {
        display: block;
      }

      .container {
        width: calc(100% - 32px);
      }

      .strip-inner {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 10px 0;
      }

      .inner-hero {
        padding: 34px 0 30px;
      }

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

      .section {
        padding: 54px 0;
      }

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

      .section-head {
        grid-template-columns: 1fr;
        gap: 12px;
      }

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

      .filter-pill {
        flex: 0 0 auto;
      }

      .list-grid,
      .side-panel,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .cta-panel {
        padding: 22px;
      }

      .cta-panel::after {
        width: 62px;
        height: 62px;
        right: 12px;
        top: -12px;
        font-size: 13px;
      }

      .cta-actions {
        padding-right: 0;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .mobile-brand {
        max-width: 190px;
        font-size: 14px;
      }

      h1 {
        font-size: 31px;
      }

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

      .btn-main,
      .btn-ghost,
      .btn-dark,
      .btn-small {
        width: 100%;
      }

      .flow-item {
        grid-template-columns: 32px 1fr;
      }

      .flow-item .badge {
        grid-column: 1 / -1;
        width: fit-content;
      }

      .card-bottom {
        align-items: stretch;
        flex-direction: column;
      }

      .heat {
        width: 100%;
      }

      .update-card {
        min-height: 240px;
      }
    }