/* roulang page: index */
:root {
      --ink: #162033;
      --muted: #687386;
      --paper: #f7f8fb;
      --white: #fff;
      --line: #e6e9ef;
      --accent: #e34b37;
      --accent-dark: #b93628;
      --gold: #e8a63a;
      --navy: #18243d;
      --soft-red: #fff0ed;
      --radius: 14px;
      --shadow: 0 15px 45px rgba(22, 32, 51, .09);
      --shadow-sm: 0 6px 20px rgba(22, 32, 51, .07);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      font-size: 15px;
    }
    a { color: inherit; text-decoration: none; transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease; }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible {
      outline: 3px solid rgba(227, 75, 55, .3);
      outline-offset: 3px;
    }
    .container { max-width: 1160px; }
    .section { padding: 88px 0; }
    .section-head { max-width: 660px; margin-bottom: 38px; }
    .eyebrow {
      color: var(--accent);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .14em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    h1, h2, h3, h4 { line-height: 1.25; font-weight: 800; letter-spacing: -.025em; }
    h1 { font-size: clamp(2.4rem, 5vw, 4.7rem); }
    h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
    h3 { font-size: 1.15rem; }
    .section-head p, .hero-copy p { color: var(--muted); }
    .section-head p { margin: 14px 0 0; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid rgba(230,233,239,.9);
      backdrop-filter: blur(14px);
    }
    .navbar { min-height: 76px; }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-size: 1.08rem;
      font-weight: 850;
      white-space: nowrap;
    }
    .brand-mark {
      display: grid;
      width: 36px;
      height: 36px;
      place-items: center;
      color: #fff;
      background: var(--accent);
      border-radius: 10px;
      box-shadow: 0 7px 15px rgba(227,75,55,.22);
    }
    .nav-link {
      color: var(--muted);
      font-weight: 700;
      padding: 9px 14px !important;
    }
    .nav-link:hover, .nav-link.active { color: var(--accent); }
    .btn-main, .btn-quiet {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 19px;
      border-radius: 10px;
      border: 1px solid transparent;
      font-weight: 800;
      cursor: pointer;
    }
    .btn-main { color: #fff; background: var(--accent); box-shadow: 0 8px 17px rgba(227,75,55,.2); }
    .btn-main:hover { color: #fff; background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(227,75,55,.25); }
    .btn-quiet { color: var(--ink); background: #fff; border-color: var(--line); }
    .btn-quiet:hover { color: var(--accent); border-color: var(--accent); background: var(--soft-red); }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 105px 0 92px;
      background: #fff;
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      position: absolute;
      content: "";
      width: 430px;
      height: 430px;
      right: -180px;
      top: -170px;
      border: 70px solid #fff3ef;
      border-radius: 50%;
    }
    .hero-copy { position: relative; max-width: 820px; margin: 0 auto; text-align: center; }
    .hero h1 { margin: 0 auto 20px; max-width: 820px; }
    .hero-copy p { max-width: 720px; margin: 0 auto 30px; font-size: 1.05rem; }
    .search-panel {
      position: relative;
      z-index: 1;
      display: flex;
      max-width: 700px;
      margin: 0 auto 24px;
      padding: 7px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      box-shadow: var(--shadow);
    }
    .search-panel input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      padding: 12px 15px;
      color: var(--ink);
      background: transparent;
    }
    .search-panel input::placeholder { color: #9aa3b2; }
    .search-panel button { border: 0; }
    .quick-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 9px;
      color: var(--muted);
      font-size: 13px;
    }
    .quick-links a {
      padding: 5px 12px;
      color: var(--muted);
      background: #f4f5f7;
      border-radius: 999px;
    }
    .quick-links a:hover { color: var(--accent); background: var(--soft-red); }
    .hero-stats {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 34px;
      margin-top: 43px;
    }
    .hero-stat { display: flex; align-items: center; gap: 10px; color: var(--muted); }
    .hero-stat strong { color: var(--ink); font-size: 1.28rem; }

    .comparison { background: var(--paper); }
    .compare-wrap {
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }
    .compare-table { margin: 0; color: var(--ink); vertical-align: middle; }
    .compare-table th, .compare-table td { padding: 18px 20px; border-color: var(--line); }
    .compare-table thead th { color: var(--muted); background: #fafbfc; font-size: 13px; }
    .compare-table thead th:nth-child(2) { color: var(--accent); background: var(--soft-red); }
    .compare-table tbody th { font-weight: 750; }
    .check { color: #27966d; font-size: 1.15rem; }
    .dash { color: #b0b6c0; }

    .recommend { background: #fff; }
    .tier-grid { display: grid; grid-template-columns: 1.05fr 1.15fr 1.05fr; gap: 18px; align-items: stretch; }
    .tier {
      position: relative;
      padding: 29px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .tier:hover { transform: translateY(-5px); border-color: #f0b2a8; box-shadow: var(--shadow); }
    .tier.featured { color: #fff; background: var(--navy); border-color: var(--navy); box-shadow: 0 18px 34px rgba(24,36,61,.18); }
    .tier.featured h3, .tier.featured .tier-text, .tier.featured li { color: #fff; }
    .tier-badge { display: inline-block; margin-bottom: 18px; padding: 4px 10px; color: var(--accent); background: var(--soft-red); border-radius: 999px; font-size: 12px; font-weight: 800; }
    .featured .tier-badge { color: #fff; background: rgba(255,255,255,.13); }
    .tier h3 { margin-bottom: 10px; font-size: 1.45rem; }
    .tier-text { min-height: 58px; color: var(--muted); }
    .tier ul { padding: 0; margin: 21px 0 25px; list-style: none; }
    .tier li { display: flex; gap: 10px; padding: 8px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
    .featured li { border-color: rgba(255,255,255,.14); }
    .tier li i { color: var(--accent); }
    .featured li i { color: #ffb09f; }

    .news { background: var(--paper); }
    .news-layout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 24px; }
    .news-list, .spotlight {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }
    .news-list { padding: 10px 26px; }
    .news-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 19px 0;
      border-bottom: 1px solid var(--line);
    }
    .news-item:last-child { border-bottom: 0; }
    .news-item a { font-weight: 750; }
    .news-item a:hover { color: var(--accent); }
    .news-item time { flex: 0 0 auto; color: #9aa3b2; font-size: 12px; }
    .spotlight { padding: 27px; background: var(--navy); color: #fff; }
    .spotlight h3 { margin-bottom: 12px; }
    .spotlight p { color: #bec7d7; }
    .spotlight-list { margin: 22px 0 25px; padding: 0; list-style: none; }
    .spotlight-list li { display: flex; gap: 10px; padding: 10px 0; color: #eef1f6; border-bottom: 1px solid rgba(255,255,255,.13); }
    .spotlight-list i { color: #ffb09f; }

    .proof { background: #fff; }
    .proof-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; align-items: center; }
    .rating-score { display: flex; align-items: end; gap: 12px; margin: 20px 0 7px; }
    .rating-score strong { font-size: 4.3rem; line-height: 1; }
    .stars { color: var(--gold); letter-spacing: 4px; }
    .proof-note { color: var(--muted); }
    .quote-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .quote {
      padding: 21px;
      background: #fafbfc;
      border: 1px solid var(--line);
      border-radius: 12px;
    }
    .quote p { margin: 0 0 15px; color: #465268; }
    .quote small { color: var(--muted); font-weight: 700; }

    .updates { background: var(--paper); }
    .update-rows { border-top: 1px solid var(--line); }
    .update-row {
      display: grid;
      grid-template-columns: 150px 1fr 110px;
      gap: 22px;
      align-items: center;
      padding: 18px 20px;
      background: #fff;
      border: 1px solid var(--line);
      border-top: 0;
    }
    .update-row:first-child { border-radius: 14px 14px 0 0; }
    .update-row:last-child { border-radius: 0 0 14px 14px; }
    .update-date { color: var(--muted); font-size: 13px; }
    .update-title { font-weight: 800; }
    .status { justify-self: end; padding: 4px 10px; color: #247d5d; background: #eaf8f1; border-radius: 999px; font-size: 12px; font-weight: 800; }

    .cta {
      padding: 78px 0;
      background: var(--accent);
      color: #fff;
    }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .cta h2 { margin: 0 0 10px; }
    .cta p { max-width: 650px; margin: 0; color: #ffe4df; }
    .cta .btn-quiet { border: 0; color: var(--accent-dark); background: #fff; }
    .cta .btn-quiet:hover { color: var(--accent); background: #fff5f2; }

    .faq { background: #fff; }
    .accordion-item { margin-bottom: 10px; border: 1px solid var(--line) !important; border-radius: 10px !important; overflow: hidden; }
    .accordion-button { padding: 19px 21px; color: var(--ink); background: #fff; font-weight: 800; box-shadow: none !important; }
    .accordion-button:not(.collapsed) { color: var(--accent); background: var(--soft-red); }
    .accordion-body { padding: 0 21px 20px; color: var(--muted); background: #fff; }

    .site-footer { padding: 48px 0 26px; color: #aeb8c8; background: var(--navy); }
    .footer-main { display: flex; justify-content: space-between; gap: 30px; padding-bottom: 35px; }
    .footer-brand { color: #fff; }
    .footer-brand p { max-width: 390px; margin: 14px 0 0; color: #aeb8c8; }
    .footer-links { display: flex; gap: 25px; align-items: flex-start; }
    .footer-links a { color: #d7deea; font-weight: 700; }
    .footer-links a:hover { color: #ffb09f; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); font-size: 12px; }

    @media (max-width: 991px) {
      .section { padding: 70px 0; }
      .tier-grid { grid-template-columns: 1fr; }
      .tier.featured { order: -1; }
      .news-layout, .proof-layout { grid-template-columns: 1fr; }
      .proof-layout { gap: 30px; }
    }
    @media (max-width: 767px) {
      .navbar { min-height: 68px; }
      .navbar-collapse { padding: 14px 0 8px; }
      .hero { padding: 73px 0 65px; }
      .hero h1 { font-size: 2.65rem; }
      .hero-stats { gap: 18px 24px; margin-top: 32px; }
      .hero-stat { font-size: 13px; }
      .compare-wrap { overflow-x: auto; }
      .compare-table { min-width: 650px; }
      .quote-list { grid-template-columns: 1fr; }
      .cta-inner, .footer-main, .footer-bottom { flex-direction: column; align-items: flex-start; }
      .footer-links { flex-wrap: wrap; }
      .update-row { grid-template-columns: 1fr auto; gap: 4px 15px; }
      .update-title { grid-column: 1 / -1; grid-row: 1; }
      .update-date { grid-row: 2; }
      .status { grid-column: 2; grid-row: 2; }
    }
    @media (max-width: 520px) {
      body { font-size: 14px; }
      .section { padding: 57px 0; }
      .hero h1 { font-size: 2.2rem; }
      .search-panel { display: block; padding: 8px; }
      .search-panel input { width: 100%; padding: 10px 9px; }
      .search-panel button { width: 100%; }
      .news-list { padding: 6px 17px; }
      .news-item { align-items: flex-start; flex-direction: column; gap: 4px; }
      .tier { padding: 23px; }
      .cta { padding: 60px 0; }
    }

/* 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}