/* roulang page: index */
:root {
      --ink: #18222b;
      --muted: #6e7b82;
      --paper: #f6f8f5;
      --card: #ffffff;
      --line: #dfe7e2;
      --green: #1c6b58;
      --green-dark: #124b40;
      --mint: #dcefe8;
      --orange: #f08b4f;
      --yellow: #f4c96b;
      --radius-lg: 24px;
      --radius-md: 14px;
      --shadow: 0 18px 50px rgba(24, 52, 45, .10);
      --soft-shadow: 0 8px 24px rgba(24, 52, 45, .07);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "Noto Sans SC", "DM Sans", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input { font: inherit; }
    .container { max-width: 1180px; }
    .eyebrow {
      color: var(--green);
      font-size: .76rem;
      font-weight: 800;
      letter-spacing: .14em;
      text-transform: uppercase;
    }
    .section-space { padding: 108px 0; }
    .section-heading { max-width: 680px; margin-bottom: 45px; }
    .section-heading h2 {
      margin: 10px 0 14px;
      font-size: clamp(2rem, 4vw, 3.25rem);
      line-height: 1.18;
      letter-spacing: -.04em;
      font-weight: 800;
    }
    .section-heading p { color: var(--muted); max-width: 610px; margin: 0; }

    .site-header {
      position: absolute;
      z-index: 10;
      top: 0;
      left: 0;
      width: 100%;
      padding: 22px 0;
      color: #fff;
    }
    .nav-shell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 1.08rem;
      font-weight: 800;
      letter-spacing: -.03em;
      white-space: nowrap;
    }
    .brand-mark {
      display: grid;
      width: 36px;
      height: 36px;
      place-items: center;
      border: 1px solid rgba(255,255,255,.45);
      border-radius: 11px;
      color: var(--green-dark);
      background: var(--yellow);
      font-weight: 900;
    }
    .nav-links { display: flex; align-items: center; gap: 30px; }
    .nav-links a {
      position: relative;
      color: rgba(255,255,255,.78);
      font-size: .94rem;
      transition: color .2s ease;
    }
    .nav-links a::after {
      position: absolute;
      right: 0;
      bottom: -8px;
      left: 0;
      height: 2px;
      content: "";
      background: var(--yellow);
      transform: scaleX(0);
      transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.active { color: #fff; }
    .nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
    .nav-cta, .btn-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 0 20px;
      border: 0;
      border-radius: 999px;
      color: var(--green-dark);
      background: var(--yellow);
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .nav-cta:hover, .btn-main:hover {
      color: var(--green-dark);
      background: #ffd989;
      box-shadow: 0 8px 20px rgba(244,201,107,.25);
      transform: translateY(-2px);
    }
    .menu-button {
      display: none;
      border: 1px solid rgba(255,255,255,.4);
      border-radius: 10px;
      padding: 8px 11px;
      color: #fff;
      background: transparent;
    }
    :focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

    .hero {
      position: relative;
      min-height: 720px;
      display: flex;
      align-items: flex-end;
      padding: 150px 0 86px;
      color: #fff;
      background:
        linear-gradient(90deg, rgba(8,31,29,.9) 0%, rgba(8,31,29,.68) 43%, rgba(8,31,29,.2) 100%),
        url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1900&q=88") center/cover;
    }
    .hero::after {
      position: absolute;
      right: 7%;
      bottom: 0;
      width: 150px;
      height: 150px;
      content: "";
      border: 1px solid rgba(255,255,255,.2);
      border-bottom: 0;
      border-radius: 150px 150px 0 0;
    }
    .hero-copy { position: relative; z-index: 1; max-width: 750px; }
    .hero .eyebrow { color: var(--yellow); }
    .hero h1 {
      max-width: 760px;
      margin: 17px 0 20px;
      font-size: clamp(2.6rem, 6vw, 5.3rem);
      line-height: 1.08;
      letter-spacing: -.06em;
      font-weight: 800;
    }
    .hero p { max-width: 680px; margin-bottom: 30px; color: rgba(255,255,255,.82); font-size: 1.12rem; }
    .hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 20px;
      border: 1px solid rgba(255,255,255,.5);
      border-radius: 999px;
      color: #fff;
      font-weight: 700;
      transition: background .2s ease, border-color .2s ease;
    }
    .btn-outline-light:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.12); }
    .play-button {
      display: inline-grid;
      width: 48px;
      height: 48px;
      margin-right: 6px;
      place-items: center;
      border: 1px solid rgba(255,255,255,.55);
      border-radius: 50%;
      color: var(--yellow);
      background: rgba(255,255,255,.08);
    }
    .hero-facts {
      display: flex;
      gap: 34px;
      margin-top: 52px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.24);
    }
    .hero-facts strong { display: block; font-size: 1.5rem; color: var(--yellow); }
    .hero-facts span { color: rgba(255,255,255,.68); font-size: .84rem; }

    .directory { background: #fff; }
    .directory-top { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
    .filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
    .filter-tabs button {
      padding: 8px 15px;
      border: 1px solid var(--line);
      border-radius: 999px;
      color: var(--muted);
      background: transparent;
      cursor: pointer;
      transition: .2s ease;
    }
    .filter-tabs button:hover, .filter-tabs button.active {
      border-color: var(--green);
      color: #fff;
      background: var(--green);
    }
    .directory-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 18px; }
    .directory-card {
      position: relative;
      min-height: 265px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 26px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--card);
      transition: transform .25s ease, box-shadow .25s ease;
    }
    .directory-card.featured { min-height: 355px; color: #fff; background: var(--green-dark); }
    .directory-card:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
    .directory-card h3 { margin: 12px 0 8px; font-size: 1.35rem; letter-spacing: -.03em; }
    .directory-card p { margin: 0; color: var(--muted); font-size: .92rem; }
    .featured p { color: rgba(255,255,255,.72); }
    .card-icon { color: var(--orange); font-size: 1.8rem; }
    .card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 22px; }
    .status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-size: .78rem;
      font-weight: 800;
    }
    .status::before { width: 7px; height: 7px; content: ""; border-radius: 50%; background: #5bb98b; }
    .featured .status { color: var(--yellow); }
    .featured .status::before { background: var(--yellow); }
    .arrow-link { font-size: 1.25rem; color: var(--green); }
    .featured .arrow-link { color: var(--yellow); }

    .recommend { background: var(--mint); }
    .recommend-layout { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 68px; }
    .recommend-copy h2 { margin: 10px 0 16px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.18; letter-spacing: -.05em; }
    .recommend-copy p { color: var(--muted); }
    .quote-mark { margin-bottom: 18px; color: var(--orange); font-size: 4.5rem; line-height: .8; font-weight: 800; }
    .recommend-list { display: grid; gap: 13px; }
    .recommend-item {
      display: flex;
      align-items: flex-start;
      gap: 17px;
      padding: 20px 22px;
      border: 1px solid rgba(28,107,88,.14);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.66);
    }
    .recommend-item b { display: block; margin-bottom: 4px; }
    .recommend-item p { margin: 0; color: var(--muted); font-size: .9rem; }
    .number { color: var(--orange); font-size: 1.2rem; font-weight: 800; }

    .timeline-section { background: var(--paper); }
    .timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .timeline::before { position: absolute; top: 30px; right: 8%; left: 8%; height: 1px; content: ""; background: var(--line); }
    .timeline-step { position: relative; z-index: 1; }
    .timeline-dot {
      width: 60px;
      height: 60px;
      display: grid;
      place-items: center;
      margin-bottom: 22px;
      border: 8px solid var(--paper);
      border-radius: 50%;
      color: #fff;
      background: var(--green);
      box-shadow: 0 0 0 1px var(--green);
      font-weight: 800;
    }
    .timeline-step:nth-child(2) .timeline-dot { background: var(--orange); box-shadow: 0 0 0 1px var(--orange); }
    .timeline-step:nth-child(3) .timeline-dot { background: var(--yellow); color: var(--green-dark); box-shadow: 0 0 0 1px var(--yellow); }
    .timeline-step h3 { font-size: 1.1rem; }
    .timeline-step p { margin: 0; color: var(--muted); font-size: .9rem; }

    .news { background: #fff; }
    .news-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 70px; }
    .news-list { border-top: 1px solid var(--line); }
    .news-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding: 23px 0;
      border-bottom: 1px solid var(--line);
      transition: padding .2s ease, color .2s ease;
    }
    .news-row:hover { padding-left: 10px; color: var(--green); }
    .news-row h3 { margin: 0 0 5px; font-size: 1rem; }
    .news-row p { margin: 0; color: var(--muted); font-size: .84rem; }
    .news-date { flex: 0 0 auto; color: var(--muted); font-size: .8rem; }
    .update-panel { padding: 30px; border-radius: var(--radius-lg); color: #fff; background: var(--ink); }
    .update-panel h3 { margin: 10px 0 25px; font-size: 1.45rem; }
    .update-stat { padding: 17px 0; border-top: 1px solid rgba(255,255,255,.16); }
    .update-stat span { display: block; color: rgba(255,255,255,.62); font-size: .82rem; }
    .update-stat strong { font-size: 1.55rem; color: var(--yellow); }

    .share-section { background: #f0eee7; }
    .share-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .share-panel { padding: 38px; border-radius: var(--radius-lg); background: #fff; }
    .share-panel.dark { color: #fff; background: var(--green-dark); }
    .share-panel h3 { margin: 9px 0 14px; font-size: 1.65rem; }
    .share-panel p { color: var(--muted); }
    .dark p { color: rgba(255,255,255,.7); }
    .share-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
    .share-tags span { padding: 7px 12px; border-radius: 999px; color: var(--green); background: var(--mint); font-size: .82rem; font-weight: 700; }
    .dark .share-tags span { color: var(--green-dark); background: var(--yellow); }

    .faq-section { background: var(--paper); }
    .faq-wrap { max-width: 840px; margin: auto; }
    .accordion-item { border: 0; border-bottom: 1px solid var(--line); background: transparent; }
    .accordion-button {
      padding: 23px 0;
      color: var(--ink);
      background: transparent;
      box-shadow: none !important;
      font-weight: 700;
    }
    .accordion-button:not(.collapsed) { color: var(--green); background: transparent; }
    .accordion-button::after { background-size: 15px; }
    .accordion-body { padding: 0 35px 23px 0; color: var(--muted); font-size: .94rem; }

    .cta-section { padding: 80px 0; color: #fff; background: var(--orange); }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
    .cta-inner h2 { max-width: 680px; margin: 10px 0 0; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.15; letter-spacing: -.05em; }
    .cta-inner p { max-width: 620px; margin: 12px 0 0; color: rgba(255,255,255,.82); }
    .btn-dark-custom { min-width: 170px; color: #fff; background: var(--ink); }
    .btn-dark-custom:hover { color: #fff; background: #263942; }

    footer { padding: 58px 0 28px; color: rgba(255,255,255,.65); background: var(--ink); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .6fr .8fr; gap: 40px; padding-bottom: 45px; }
    footer .brand { color: #fff; }
    .footer-intro { max-width: 370px; margin-top: 17px; font-size: .9rem; }
    footer h4 { margin: 0 0 15px; color: #fff; font-size: .9rem; }
    .footer-links { display: grid; gap: 8px; font-size: .88rem; }
    .footer-links a:hover { color: var(--yellow); }
    .copyright { padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); font-size: .78rem; }

    @media (max-width: 1024px) {
      .section-space { padding: 82px 0; }
      .directory-grid { grid-template-columns: repeat(2, 1fr); }
      .directory-card.featured { grid-column: span 2; min-height: 270px; }
      .recommend-layout { gap: 35px; }
      .news-layout { gap: 35px; }
    }
    @media (max-width: 768px) {
      .site-header { padding: 17px 0; }
      .nav-links {
        position: absolute;
        top: 72px;
        right: 20px;
        left: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 12px 18px;
        border: 1px solid rgba(255,255,255,.2);
        border-radius: 14px;
        background: rgba(18,75,64,.98);
      }
      .nav-links.show { display: flex; }
      .nav-links a { padding: 10px 0; }
      .nav-cta { margin: 8px 0; text-align: center; }
      .menu-button { display: block; }
      .hero { min-height: 700px; padding-top: 130px; }
      .hero-facts { gap: 20px; }
      .directory-top, .cta-inner { align-items: flex-start; flex-direction: column; }
      .recommend-layout, .news-layout, .share-layout { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 35px; }
      .timeline::before { display: none; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid > :first-child { grid-column: span 2; }
    }
    @media (max-width: 520px) {
      .section-space { padding: 65px 0; }
      .brand { max-width: 235px; white-space: normal; line-height: 1.25; }
      .brand-mark { flex: 0 0 auto; }
      .hero { min-height: 760px; padding-bottom: 60px; }
      .hero h1 { font-size: 2.65rem; }
      .hero p { font-size: 1rem; }
      .hero-facts { flex-wrap: wrap; margin-top: 35px; }
      .directory-grid { grid-template-columns: 1fr; }
      .directory-card.featured { grid-column: auto; }
      .timeline { grid-template-columns: 1fr; }
      .share-panel { padding: 27px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > :first-child { grid-column: auto; }
    }

/* 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}
