/* roulang page: index */
:root {
      --ink: #172321;
      --muted: #677570;
      --paper: #f4f5ef;
      --white: #fff;
      --line: #dce2da;
      --forest: #234b3b;
      --lime: #d5ed73;
      --coral: #de725d;
      --blue: #dce9e8;
      --radius: 8px;
      --shadow: 0 12px 32px rgba(23,35,33,.09);
      --container: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.65 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif; }
    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; height: 100%; object-fit: cover; }
    button { font: inherit; }
    :focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(244,245,239,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
    .nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; white-space: nowrap; }
    .brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: var(--lime); background: var(--forest); border-radius: 7px; font-size: 15px; }
    .brand-name { font-size: 16px; }
    .nav-links { display: flex; align-items: center; gap: 26px; color: #485650; font-size: 14px; }
    .nav-links a { padding: 9px 0; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a.active { color: var(--forest); }
    .nav-links a.active { box-shadow: inset 0 -2px var(--coral); }
    .nav-age { padding: 7px 11px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: 12px; white-space: nowrap; }
    .hero { position: relative; min-height: 555px; overflow: hidden; color: var(--white); background: #172321; }
    .hero-photo { position: absolute; inset: 0; opacity: .46; }
    .hero-photo img { object-position: center 43%; }
    .hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg,rgba(15,31,27,.93),rgba(15,31,27,.45) 68%,rgba(15,31,27,.14)); }
    .hero::after { position: absolute; right: -7%; bottom: -42%; width: 72%; height: 90%; content: ""; background: var(--coral); transform: rotate(-13deg); opacity: .92; }
    .hero-inner { position: relative; z-index: 1; min-height: 555px; display: flex; align-items: center; }
    .hero-copy { max-width: 760px; padding: 72px 0 90px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px; color: var(--lime); font-size: 13px; font-weight: 700; letter-spacing: 0; }
    .eyebrow::before { width: 22px; height: 2px; content: ""; background: var(--lime); }
    h1 { max-width: 720px; margin: 0; font-size: clamp(38px,5vw,66px); line-height: 1.13; letter-spacing: 0; }
    h1 span { color: var(--lime); }
    .hero-lead { max-width: 720px; margin: 20px 0 12px; color: #e4eae5; font-size: 19px; font-weight: 600; }
    .hero-description { max-width: 695px; margin: 0; color: #d2dad4; font-size: 15px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 18px; border: 1px solid transparent; border-radius: 6px; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: var(--ink); background: var(--lime); }
    .button-primary:hover { background: #e2f59a; box-shadow: 0 8px 22px rgba(213,237,115,.18); }
    .button-ghost { color: white; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.06); }
    .button-ghost:hover { background: rgba(255,255,255,.14); }
    .hero-facts { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 34px; color: #d4ddd6; font-size: 13px; }
    .hero-facts strong { color: white; }
    main section { padding: 76px 0; border-bottom: 1px solid var(--line); }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-heading h2 { margin: 0; font-size: 30px; line-height: 1.25; }
    .section-heading p { max-width: 600px; margin: 10px 0 0; color: var(--muted); font-size: 14px; }
    .section-kicker { display: block; margin-bottom: 9px; color: var(--coral); font-size: 12px; font-weight: 800; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--forest); font-size: 14px; font-weight: 700; white-space: nowrap; }
    .text-link:hover { color: var(--coral); }
    .latest-section { background: var(--white); }
    .media-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px 18px; }
    .media-card { min-width: 0; }
    .media-image { position: relative; aspect-ratio: 4/3; overflow: hidden; border-radius: var(--radius); background: #d9ded7; }
    .media-image img { transition: transform .35s ease; }
    .media-card:hover .media-image img { transform: scale(1.045); }
    .media-image::after { position: absolute; inset: 45% 0 0; content: ""; background: linear-gradient(transparent,rgba(12,22,18,.55)); }
    .badge { position: absolute; z-index: 1; top: 11px; left: 11px; padding: 4px 8px; color: white; background: rgba(24,43,35,.85); border-radius: 4px; font-size: 11px; font-weight: 700; }
    .badge.coral { background: var(--coral); }
    .media-caption { position: absolute; z-index: 1; right: 12px; bottom: 10px; color: white; font-size: 12px; }
    .media-info { display: flex; justify-content: space-between; gap: 10px; padding-top: 12px; }
    .media-info h3 { overflow: hidden; margin: 0; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
    .rating { color: #9b6d24; font-size: 12px; font-weight: 700; white-space: nowrap; }
    .card-meta { margin-top: 5px; color: var(--muted); font-size: 12px; }
    .feature-band { color: white; background: var(--forest); }
    .feature-band .section-kicker { color: var(--lime); }
    .feature-band .section-heading p { color: #d2ddd4; }
    .feature-band .text-link { color: var(--lime); }
    .feature-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.23); border-left: 1px solid rgba(255,255,255,.23); }
    .feature-item { min-height: 175px; padding: 25px; border-right: 1px solid rgba(255,255,255,.23); border-bottom: 1px solid rgba(255,255,255,.23); }
    .feature-number { color: var(--lime); font-size: 13px; font-weight: 700; }
    .feature-item h3 { margin: 16px 0 8px; font-size: 18px; }
    .feature-item p { margin: 0; color: #d1ddd3; font-size: 13px; }
    .category-section { background: #e9eee7; }
    .category-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
    .category-item { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; padding: 21px; border: 1px solid #d5ddd4; border-radius: var(--radius); background: rgba(255,255,255,.63); transition: transform .2s, box-shadow .2s; }
    .category-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .category-item span { color: var(--coral); font-size: 12px; font-weight: 800; }
    .category-item h3 { margin: 18px 0 7px; font-size: 18px; }
    .category-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .recommend-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
    .recommend-image { aspect-ratio: 1.18; overflow: hidden; border-radius: var(--radius); background: #ddd; }
    .recommend-image img { object-position: center; }
    .recommend-copy h2 { margin: 0 0 16px; font-size: 32px; }
    .recommend-copy > p { margin: 0 0 24px; color: var(--muted); font-size: 15px; }
    .recommend-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
    .recommend-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .recommend-list b { color: var(--coral); font-size: 14px; }
    .recommend-list strong { display: block; font-size: 14px; }
    .recommend-list span { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
    .ranking-section { color: white; background: #1c2925; }
    .ranking-section .section-heading p { color: #c3d0c8; }
    .ranking-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 42px; margin: 0; padding: 0; list-style: none; }
    .ranking-list li { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 13px; min-height: 69px; border-bottom: 1px solid rgba(255,255,255,.16); }
    .rank-number { color: #91a49a; font-size: 18px; font-weight: 800; }
    .ranking-list li:nth-child(-n+3) .rank-number { color: var(--lime); }
    .rank-title { font-size: 14px; font-weight: 700; }
    .rank-category { display: block; color: #aabbb0; font-size: 11px; font-weight: 400; }
    .rank-score { color: var(--lime); font-size: 12px; white-space: nowrap; }
    .news-section { background: var(--white); }
    .news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
    .news-item { display: grid; grid-template-columns: 110px 1fr; gap: 15px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: var(--radius); transition: box-shadow .2s, transform .2s; }
    .news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
    .news-thumb { aspect-ratio: 1.15; overflow: hidden; border-radius: 5px; background: var(--blue); }
    .news-item h3 { margin: 0 0 6px; font-size: 14px; line-height: 1.45; }
    .news-item time { color: var(--muted); font-size: 11px; }
    .editorial-section { background: #e5ece8; }
    .editorial-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 45px; align-items: start; }
    .editorial-layout h2 { margin: 0; font-size: 30px; }
    .editorial-layout p { color: var(--muted); font-size: 14px; }
    .quote-mark { color: var(--coral); font-family: Georgia,serif; font-size: 54px; line-height: 1; }
    .quote-text { margin: 0; color: var(--ink) !important; font-size: 20px !important; font-weight: 600; }
    .quote-byline { margin-top: 15px; color: var(--muted); font-size: 12px; }
    .milestone-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 34px; border-top: 1px solid var(--line); }
    .milestone { position: relative; padding: 22px 24px 0 0; }
    .milestone::before { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; content: ""; border-radius: 50%; background: var(--coral); }
    .milestone strong { font-size: 14px; }
    .milestone p { margin: 6px 0 0; font-size: 12px; }
    .guide-section { background: var(--white); }
    .guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
    .guide-panel { padding: 24px; border-left: 3px solid var(--forest); background: var(--paper); }
    .guide-panel h3 { margin: 0 0 10px; font-size: 17px; }
    .guide-panel p { margin: 0; color: var(--muted); font-size: 13px; }
    .faq-section { background: #e9eee7; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .faq-item { padding: 19px 20px; border: 1px solid #d5ddd4; border-radius: var(--radius); background: rgba(255,255,255,.72); }
    .faq-item h3 { margin: 0 0 8px; font-size: 15px; }
    .faq-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .closing { padding: 54px 0; color: white; background: var(--coral); }
    .closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .closing h2 { margin: 0; font-size: 26px; }
    .closing p { max-width: 670px; margin: 7px 0 0; color: rgba(255,255,255,.88); font-size: 13px; }
    .closing .button { flex: 0 0 auto; color: var(--ink); background: var(--lime); }
    .site-footer { padding: 48px 0 20px; color: #dce4dd; background: #15211d; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 35px; }
    .footer-brand p { max-width: 300px; margin: 14px 0 0; color: #aab8af; font-size: 13px; }
    .footer-column h3 { margin: 0 0 13px; color: white; font-size: 13px; }
    .footer-column a, .footer-column span { display: block; margin: 8px 0; color: #aab8af; font-size: 12px; }
    .footer-column a:hover { color: var(--lime); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.14); color: #9aa99f; font-size: 11px; }
    @media (max-width: 1024px) {
      .nav-links { gap: 16px; }
      .media-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
      .category-grid { grid-template-columns: repeat(2,1fr); }
      .news-grid { grid-template-columns: repeat(2,1fr); }
      .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
      .footer-brand { grid-column: 1/-1; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 36px,var(--container)); }
      .nav-wrap { min-height: 64px; gap: 12px; }
      .brand-name { max-width: 190px; overflow: hidden; text-overflow: ellipsis; font-size: 14px; }
      .nav-links { max-width: 48vw; gap: 18px; overflow-x: auto; scrollbar-width: none; }
      .nav-links::-webkit-scrollbar { display: none; }
      .nav-age { display: none; }
      .hero, .hero-inner { min-height: 510px; }
      .hero-copy { padding: 66px 0 75px; }
      h1 { font-size: 46px; }
      main section { padding: 60px 0; }
      .section-heading { align-items: start; flex-direction: column; gap: 14px; }
      .feature-grid { grid-template-columns: repeat(2,1fr); }
      .recommend-layout, .editorial-layout { grid-template-columns: 1fr; gap: 26px; }
      .recommend-image { aspect-ratio: 1.7; }
      .ranking-list { column-gap: 20px; }
      .news-item { grid-template-columns: 90px 1fr; gap: 11px; padding: 10px; }
      .closing-inner { align-items: start; flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 32px); }
      .nav-wrap { flex-wrap: wrap; padding: 10px 0 8px; }
      .brand { flex: 1 1 auto; }
      .nav-links { order: 2; max-width: 100%; width: 100%; justify-content: space-between; gap: 14px; font-size: 12px; }
      .nav-links a { padding: 4px 0 6px; }
      .hero, .hero-inner { min-height: 530px; }
      .hero::after { right: -30%; bottom: -49%; width: 110%; }
      .hero-copy { padding: 60px 0 72px; }
      h1 { font-size: 39px; }
      .hero-lead { font-size: 16px; }
      .hero-description { font-size: 13px; }
      .hero-facts { gap: 10px 18px; }
      .hero-actions { gap: 9px; }
      .button { min-height: 43px; padding-inline: 14px; font-size: 13px; }
      main section { padding: 48px 0; }
      .section-heading h2, .recommend-copy h2, .editorial-layout h2 { font-size: 25px; }
      .media-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 19px 12px; }
      .media-info { flex-direction: column; gap: 2px; }
      .media-info h3 { font-size: 13px; }
      .category-grid { gap: 9px; }
      .category-item { min-height: 185px; padding: 15px; }
      .category-item h3 { font-size: 16px; }
      .category-item p { font-size: 12px; }
      .feature-grid { grid-template-columns: 1fr; }
      .feature-item { min-height: 0; padding: 20px; }
      .ranking-list { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; gap: 10px; }
      .news-item { grid-template-columns: 92px 1fr; }
      .guide-grid, .faq-list { grid-template-columns: 1fr; gap: 10px; }
      .milestone-list { grid-template-columns: 1fr; gap: 8px; }
      .milestone { padding: 8px 0 10px 19px; border-left: 1px solid var(--line); }
      .milestone::before { top: 13px; left: -5px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
      .footer-brand { grid-column: 1/-1; }
      .footer-bottom { flex-direction: column; }
    }