/* roulang page: index */
:root {
    --primary: #0B7A5A;
    --primary-deep: #094A3E;
    --primary-light: #DDF1E8;
    --accent: #F59E2D;
    --accent-hover: #E4881B;
    --bg-warm: #F7F5F0;
    --card-white: #FFFFFF;
    --text-ink: #1C2A24;
    --text-sub: #52625A;
    --border-line: #E2E9E4;
    --radius-card: 16px;
    --radius-btn: 12px;
    --radius-tag: 6px;
    --shadow-card: 0 1px 2px rgba(20, 40, 30, 0.04), 0 8px 24px rgba(20, 40, 30, 0.05);
    --shadow-hover: 0 2px 4px rgba(20, 40, 30, 0.06), 0 16px 32px rgba(20, 40, 30, 0.08);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
    background: var(--bg-warm);
    color: var(--text-ink);
    line-height: 1.75;
    font-size: 16px;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: all .2s ease;
  }

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

  button,
  input {
    font-family: inherit;
    font-size: inherit;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: var(--accent);
    color: #2A1E0A;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: .875rem 1.6rem;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s ease;
    min-height: 44px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(245, 158, 45, .25);
  }

  .btn-primary:hover {
    background: var(--accent-hover);
    color: #2A1E0A;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(245, 158, 45, .35);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: .8125rem 1.5rem;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all .2s ease;
    min-height: 44px;
    white-space: nowrap;
  }

  .btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary-deep);
    color: var(--primary-deep);
    transform: translateY(-1px);
  }

  .btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: #fff;
    color: var(--primary-deep);
    border: 1px solid rgba(255, 255, 255, .45);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: .875rem 1.6rem;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all .2s;
    min-height: 44px;
  }

  .btn-light:hover {
    background: var(--primary-light);
    color: var(--primary-deep);
    transform: translateY(-1px);
  }

  .tag {
    display: inline-block;
    padding: .22rem .65rem;
    background: var(--primary-light);
    color: var(--primary-deep);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-tag);
    line-height: 1.5;
  }

  .tag-accent {
    background: #FFF3E0;
    color: #C5710B;
  }

  .card {
    background: var(--card-white);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: all .2s ease;
  }

  .card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .section-title {
    font-weight: 700;
    line-height: 1.3;
    font-size: clamp(1.4rem, 1vw + 1rem, 1.9rem);
    color: var(--text-ink);
    margin: 0 0 .25rem;
  }

  .section-sub {
    font-size: 15px;
    color: var(--text-sub);
    margin-bottom: 0;
  }

  .section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }

  .section-head .more-link {
    font-size: 14px;
    color: var(--text-sub);
    border-bottom: 1px solid transparent;
    display: inline-flex;
    align-items: center;
  }

  .section-head .more-link:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
  }

  /* topbar */
  .top-info {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, .82);
    font-size: 13px;
    min-height: 36px;
  }

  .top-info a {
    color: rgba(255, 255, 255, .92);
    border-bottom: 1px solid rgba(255, 255, 255, .35);
    padding-bottom: 1px;
  }

  .top-info a:hover {
    color: #fff;
    border-bottom-color: #fff;
  }

  /* header */
  .site-header {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-line);
  }

  .site-header.scrolled {
    box-shadow: 0 4px 12px rgba(20, 40, 30, .05);
  }

  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-sub);
    padding: .5rem .2rem;
    position: relative;
    white-space: nowrap;
    transition: color .2s;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--primary);
  }

  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
  }

  /* hero */
  .hero {
    position: relative;
    padding: 4.5rem 0 4rem;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(247,245,240,.96) 38%, rgba(247,245,240,.78) 62%, rgba(247,245,240,.35) 100%);
  }

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

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: var(--primary-light);
    color: var(--primary-deep);
    font-size: 13px;
    font-weight: 600;
    padding: .35rem .85rem;
    border-radius: 999px;
    margin-bottom: 1.2rem;
  }

  .hero-title {
    font-size: clamp(1.9rem, 2.4vw + 1rem, 2.8rem);
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-ink);
    margin: 0 0 1rem;
    max-width: 12em;
  }

  .hero-desc {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.8;
    max-width: 30em;
    margin: 0 0 1.75rem;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    gap: .85rem;
    flex-wrap: wrap;
  }

  .hero-note {
    font-size: 13px;
    color: var(--text-sub);
    margin-top: .85rem;
    display: flex;
    align-items: center;
    gap: .35rem;
  }

  .hero-phone {
    position: relative;
    z-index: 2;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.6);
    box-shadow: 0 12px 40px rgba(20,40,30,.15);
    aspect-ratio: 3 / 3.6;
    max-width: 290px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(145deg, #f0f5f0, #ffffff);
  }

  .hero-phone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero-phone::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9,74,62,0) 70%, rgba(9,74,62,.18) 100%);
  }

  /* quick feature strip */
  .quick-value {
    padding: 2.5rem 0;
  }

  .value-item {
    display: flex;
    gap: .85rem;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.25rem;
    transition: all .2s;
  }

  .value-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .value-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary-deep);
    font-size: 20px;
    font-weight: 600;
  }

  .value-item h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 .15rem;
  }

  .value-item p {
    font-size: 13px;
    color: var(--text-sub);
    margin: 0;
    line-height: 1.6;
  }

  /* screenshot carousel */
  .screen-section {
    background: var(--card-white);
    border-top: 1px solid var(--border-line);
    border-bottom: 1px solid var(--border-line);
    padding: 3.5rem 0;
  }

  .screen-track {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding: 1rem .25rem 1.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-light) transparent;
    scroll-snap-type: x mandatory;
  }

  .screen-track::-webkit-scrollbar {
    height: 6px;
  }

  .screen-track::-webkit-scrollbar-track {
    background: transparent;
  }

  .screen-track::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 8px;
  }

  .screen-card {
    min-width: 260px;
    max-width: 340px;
    scroll-snap-align: start;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-line);
    box-shadow: var(--shadow-card);
    flex-shrink: 0;
    flex: 1 0 280px;
    transition: all .2s;
  }

  .screen-card:hover {
    box-shadow: var(--shadow-hover);
  }

  .screen-card .img-wrap {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--primary-light);
  }

  .screen-card .img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition: transform .35s ease;
  }

  .screen-card:hover .img-wrap img {
    transform: scale(1.06);
  }

  .screen-card .card-body {
    padding: 1rem 1.1rem 1.15rem;
  }

  .screen-card .card-body h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 .2rem;
    line-height: 1.4;
  }

  .screen-card .card-body p {
    font-size: 13px;
    color: var(--text-sub);
    margin: 0;
    line-height: 1.6;
  }

  /* sys requirement */
  .sys-section {
    padding: 3.5rem 0;
  }

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

  .sys-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-line);
    font-size: 15px;
  }

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

  .sys-label {
    min-width: 105px;
    color: var(--text-sub);
    font-weight: 500;
    font-size: 14px;
    flex-shrink: 0;
  }

  .sys-value {
    color: var(--text-ink);
    position: relative;
    flex: 1;
  }

  .sys-value span {
    background: #fff;
    display: inline-block;
  }

  /* review wall */
  .review-section {
    background: var(--primary-light);
    padding: 3.5rem 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    position: relative;
  }

  .review-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(221, 241, 232, .88);
  }

  .review-inner {
    position: relative;
    z-index: 2;
  }

  .review-score-card {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-line);
    box-shadow: var(--shadow-card);
    height: 100%;
  }

  .review-score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-deep);
    line-height: 1.1;
  }

  .stars {
    color: var(--accent);
    font-size: 18px;
    letter-spacing: 2px;
    margin: .3rem 0 .6rem;
    line-height: 1;
  }

  .review-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .review-item {
    background: #fff;
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    padding: 1.15rem 1.3rem;
    box-shadow: var(--shadow-card);
  }

  .review-item .stars-min {
    color: var(--accent);
    font-size: 14px;
    letter-spacing: 1.5px;
    margin-bottom: .3rem;
  }

  .review-item blockquote {
    margin: 0;
    padding: 0;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-ink);
  }

  .review-meta {
    font-size: 12px;
    color: var(--text-sub);
    margin-top: .55rem;
  }

  /* news/cms */
  .news-section {
    padding: 3.5rem 0;
  }

  .news-card {
    display: flex;
    background: #fff;
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all .2s;
    height: 100%;
    flex-direction: column;
  }

  .news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .news-thumb {
    aspect-ratio: 16/9;
    background: var(--primary-light);
    overflow: hidden;
  }

  .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .news-body {
    padding: 1.1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .news-body h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 .3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
  }

  .news-body p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.6;
    margin: 0 0 .75rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-meta {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-sub);
    column-gap: 1rem;
  }

  .news-empty {
    background: #fff;
    border: 2px dashed var(--border-line);
    border-radius: var(--radius-card);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-sub);
    font-size: 15px;
  }

  /* faq */
  .faq-section {
    padding: 3.5rem 0;
  }

  .faq-list {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: .85rem;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border-line);
    border-radius: var(--radius-card);
    padding: 0;
    overflow: hidden;
  }

  .faq-q {
    width: 100%;
    background: transparent;
    border: strip(0);
    border: 0;
    padding: 1.15rem 1.3rem;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 1rem;
    text-align: left;
    min-height: 52px;
    transition: color .2s;
  }

  .faq-q:hover {
    color: var(--primary);
  }

  .faq-q::after {
    content: "+";
    font-size: 20px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all .25s;
  }

  .faq-q[aria-expanded="true"]::after {
    transform: rotate(45deg);
    background: var(--primary-light);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease-out;
    padding: 0 1.3rem;
  }

  .faq-a-inner {
    padding: 0 0 1.1rem;
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
  }

  /* CTA */
  .cta-strip {
    background: var(--primary-deep);
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 3.5rem 0;
  }

  .cta-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(9, 74, 62, .86);
    border-radius: inherit;
  }

  .cta-content {
    position: relative;
    z-index: 2;
  }

  .cta-content h2 {
    color: #fff;
    font-size: clamp(1.5rem, 1.6vw + 1rem, 2rem);
    margin: 0 0 .4rem;
  }

  .cta-content p {
    color: rgba(255, 255, 255, .72);
    font-size: 15px;
    max-width: 38em;
    margin-bottom: 1.5rem;
  }

  /* footer */
  .site-footer {
    background: var(--primary-deep);
    color: rgba(255, 255, 255, .76);
    padding: 3rem 0 1.5rem;
  }

  .site-footer h3 {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin: 0 0 .8rem;
    line-height: 1.4;
  }

  .site-footer .footer-brand-name {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: .01em;
  }

  .foot-link {
    display: block;
    font-size: 14px;
    padding: .2rem 0;
    color: rgba(255, 255, 255, .68);
    transition: all .2s;
  }

  .foot-link:hover {
    color: var(--accent);
    padding-left: 2px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    margin-top: 2.5rem;
    padding-top: 1.2rem;
    font-size: 13px;
    text-align: center;
    color: rgba(255, 255, 255, .42);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, .56);
  }

  .footer-bottom a:hover {
    color: var(--accent);
  }

  /* mobile drawer */
  .drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(9, 15, 12, .42);
    z-index: 120;
  }

  .drawer-panel {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    max-width: 85vw;
    height: 100%;
    background: #fff;
    z-index: 130;
    padding: 1.5rem 1.5rem;
    box-shadow: -8px 0 30px rgba(0, 0, 0, .08);
    transition: right .28s ease;
  }

  .drawer-panel.open {
    right: 0;
  }

  .drawer-panel a.nav-link {
    display: block;
    padding: .6rem 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border-line);
    color: var(--text-sub);
  }

  .drawer-panel a.nav-link.active {
    color: var(--primary);
  }

  .mobile-menu-btn {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border-line);
    background: #fff;
    cursor: pointer;
  }

  @media (max-width: 880px) {
    .nav-center {
      display: none;
    }
    .header-cta-desktop {
      display: none;
    }
  }

  @media (min-width: 881px) {
    .nav-mobile {
      display: none;
    }
  }

  @media (max-width: 640px) {
    .hero {
      padding: 2.5rem 0 2rem;
    }
    .hero-phone {
      margin-top: 2rem;
      max-width: 220px;
    }
    .screen-card {
      flex: 0 0 85%;
    }
    .section-head {
      margin-bottom: 1.25rem;
    }
    .value-item {
      padding: 1rem;
    }
  }

  /* accessibility focus outline */
  a:focus-visible,
  button:focus-visible,
  [tabindex]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(16px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .animate-fade-up {
    animation: fadeUp .6s ease-out;
  }

/* roulang page: article */
:root{
  --primary:#0B7A5A;
  --primary-deep:#094A3E;
  --primary-light:#DDF1E8;
  --accent:#F59E2D;
  --accent-deep:#E4881B;
  --accent-ink:#1F2A24;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text-ink:#1C2A24;
  --text-muted:#52625A;
  --border:#E2E9E4;
  --success:#2E8B57;
  --danger:#B94A3B;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:6px;
  --shadow-card:0 1px 2px rgba(20,40,30,.04),0 8px 24px rgba(20,40,30,.05);
  --shadow-hover:0 2px 4px rgba(20,40,30,.06),0 16px 32px rgba(20,40,30,.08);
  --shadow-topbar:0 1px 0 rgba(255,255,255,.06);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text-ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid rgba(11,122,90,.3);
  outline-offset:3px;
  border-radius:6px;
}
img{display:block;max-width:100%;height:auto}
button{font:inherit;border:0;background:none;cursor:pointer}
.container{
  width:min(1200px,100%);
  margin:0 auto;
  padding-left:1rem;
  padding-right:1rem;
}
@media(min-width:768px){
  .container{padding-left:2rem;padding-right:2rem}
}
.text-muted{color:var(--text-muted)}

/* 顶部信息条 */
.site-topbar{
  background:var(--primary-deep);
  color:rgba(255,255,255,.78);
  font-size:12.5px;
  min-height:36px;
}
.site-topbar .container{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.topbar-info{
  display:flex;align-items:center;gap:.5rem;
  min-width:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{
  display:flex;align-items:center;gap:12px;
  flex-shrink:0;
}
.topbar-link{
  color:rgba(255,255,255,.62);
  transition:color .2s;
}
.topbar-link:hover,.topbar-link:active{color:#fff}

/* 主导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{
  box-shadow:0 10px 30px rgba(20,40,30,.06);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
  gap:1rem;
}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:#fff;
  border-radius:12px;
  font-weight:700;
  font-size:18px;
  flex-shrink:0;
}
.logo-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-ink);
  white-space:nowrap;
}
@media(min-width:640px){.logo-text{font-size:18px}}
.nav-center{display:flex;align-items:center;gap:1.25rem}
@media(min-width:1024px){.nav-center{gap:2rem}}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:15px;
  font-weight:600;
  color:var(--text-ink);
  border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{
  color:var(--primary);
  border-bottom-color:var(--primary);
}

/* 按钮 */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:46px;
  padding:.8rem 1.35rem;
  background:var(--accent);
  color:var(--accent-ink);
  border-radius:12px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{
  background:var(--accent-deep);
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(229,136,27,.22);
}
.btn-primary:active{
  transform:translateY(0);
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:46px;
  padding:.8rem 1.35rem;
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary);
  border-radius:12px;
  font-size:15px;
  font-weight:700;
  transition:background .2s,color .2s,transform .2s;
}
.btn-outline:hover{
  background:var(--primary-light);
  transform:translateY(-1px);
}
.btn-outline.btn-light{
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-outline.btn-light:hover{
  background:rgba(255,255,255,.14);
}
.nav-mobile{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  transition:background .2s;
}
.nav-mobile:hover{background:var(--primary-light)}
@media(max-width:1023px){
  .nav-center,
  .header-cta-desktop{display:none}
  .nav-mobile{display:inline-flex}
}
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  pointer-events:none;
}
.mobile-drawer .drawer-backdrop{
  position:absolute;
  inset:0;
  background:rgba(15,25,20,.42);
  backdrop-filter:blur(2px);
  opacity:0;
  transition:opacity .25s;
}
.mobile-drawer .drawer-panel{
  position:absolute;
  top:0;left:0;bottom:0;
  width:min(320px,80vw);
  background:#fff;
  padding:1.25rem;
  transform:translateX(-102%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  gap:.25rem;
  box-shadow:20px 0 40px rgba(20,40,30,.08);
}
.mobile-drawer.open{pointer-events:auto}
.mobile-drawer.open .drawer-backdrop{opacity:1}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  color:var(--text-ink);
}
.drawer-close:hover{background:var(--primary-light)}
.drawer-link{
  display:block;
  padding:.8rem .6rem;
  border-radius:10px;
  font-weight:600;
  font-size:16px;
  color:var(--text-ink);
}
.drawer-link:hover{background:var(--primary-light);color:var(--primary)}
.drawer-link.active{color:var(--primary);background:var(--primary-light)}

/* 页面主区 */
.site-main{
  padding-bottom:3rem;
}
.section{
  padding:4rem 0;
}
@media(min-width:768px){
  .section{padding:5rem 0}
}
.page-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:.38rem;
  padding:1.25rem 0 .75rem;
  font-size:13px;
  color:var(--text-muted);
}
.page-crumb a{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  transition:color .2s;
}
.page-crumb a:hover{color:var(--primary)}
.crumb-sep{
  color:rgba(82,98,90,.45);
  margin:0 .24rem;
}

/* 文章页布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:1.75rem;
  align-items:start;
}
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr}
}
.article-main{
  min-width:0;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow-card);
  padding:1.35rem;
}
@media(min-width:768px){
  .article-main{padding:2rem 2.1rem}
}
.article-label{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  min-height:26px;
  padding:.15rem .75rem;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:700;
}
.article-title{
  font-size:clamp(1.6rem,1rem + 1.6vw,2.2rem);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-ink);
  margin-top:.8rem;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem 1.15rem;
  margin-top:1.2rem;
  padding-top:.9rem;
  border-top:1px solid var(--border);
  font-size:13.5px;
  color:var(--text-muted);
}
.article-meta .meta-source{
  color:var(--text-muted);
}
.article-body{
  margin-top:1.6rem;
  font-size:16px;
  line-height:1.9;
  color:var(--text-ink);
  word-break:break-word;
}
.article-body > * + *{
  margin-top:.95em;
}
.article-body h2{
  font-size:1.35rem;
  font-weight:800;
  line-height:1.4;
  color:var(--primary-deep);
  padding-left:.9rem;
  border-left:4px solid var(--primary);
  margin-top:1.5rem;
}
.article-body h3{
  font-size:1.15rem;
  font-weight:700;
  color:var(--text-ink);
  margin-top:1.3rem;
}
.article-body p{
  margin-bottom:.7em;
}
.article-body a{
  color:var(--primary);
  font-weight:600;
  border-bottom:1px solid rgba(11,122,90,.35);
  transition:border-color .2s,color .2s;
}
.article-body a:hover{
  color:var(--primary-deep);
  border-bottom-color:var(--primary-deep);
}
.article-body ul,.article-body ol{
  padding-left:1.1rem;
  margin-bottom:.7em;
}
.article-body ul li,.article-body ol li{
  margin-bottom:.35em;
}
.article-body li::marker{
  color:var(--primary);
}
.article-body blockquote{
  border-left:4px solid var(--border);
  background:var(--bg);
  padding:.9rem 1.1rem;
  border-radius:0 12px 12px 0;
  color:var(--text-muted);
  margin:.3rem 0 .9rem;
}
.article-body img{
  border-radius:16px;
  margin:1rem 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:.7rem 0 1rem;
  font-size:14px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:.55rem .8rem;
  text-align:left;
}
.article-body th{
  background:var(--primary-light);
  color:var(--primary-deep);
  font-weight:700;
}
.article-body pre{
  background:var(--primary-deep);
  color:#EFF7F2;
  border-radius:12px;
  padding:1.1rem;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:.92em;
  background:var(--primary-light);
  border-radius:6px;
  padding:.2rem .4rem;
  color:var(--primary-deep);
}
.article-body pre code{
  background:transparent;
  color:inherit;
  padding:0;
}
.article-body .note{
  background:var(--primary-light);
  border-left:4px solid var(--primary);
  border-radius:8px;
  padding:.85rem 1rem;
}
.article-body .warning{
  background:#FFF4E3;
  border-left:4px solid var(--accent);
  border-radius:8px;
  padding:.85rem 1rem;
}

/* 没有内容 */
.not-found-panel{
  background:var(--card);
  border:1px dashed var(--border);
  border-radius:18px;
  padding:3rem 1.5rem;
  text-align:center;
  margin-top:2rem;
}
.not-found-icon{
  width:58px;height:58px;
  margin:0 auto 1rem;
  border-radius:18px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
}
.not-found-panel h1{
  font-size:1.5rem;
  color:var(--text-ink);
  margin-bottom:.5rem;
}
.not-found-panel p{
  color:var(--text-muted);
  margin-bottom:1.4rem;
}

/* 侧栏卡片 */
.article-side{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:1.5rem;
}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow-card);
  padding:1.4rem;
}
.side-img{
  border-radius:14px;
  overflow:hidden;
  margin-bottom:1.2rem;
}
.side-title{
  display:flex;
  align-items:center;
  gap:.55rem;
  font-size:1rem;
  font-weight:800;
  color:var(--text-ink);
  margin-bottom:1rem;
}
.side-title::before{
  content:"";
  width:8px;height:8px;
  background:var(--primary);
  border-radius:50%;
}
.side-text{
  font-size:14px;
  line-height:1.8;
  color:var(--text-muted);
}
.side-list{
  list-style:none;
  margin-top:1rem;
  display:flex;
  flex-direction:column;
  gap:.65rem;
}
.side-list li{
  position:relative;
  padding-left:1.3rem;
  font-size:14.5px;
  color:var(--text-muted);
  line-height:1.65;
}
.side-list li::before{
  content:"";
  position:absolute;
  left:0;top:.55em;
  width:7px;height:7px;
  border-radius:50%;
  border:1.5px solid var(--primary);
}
.side-link-list{
  display:flex;
  flex-direction:column;
  gap:.65rem;
  margin-top:1.15rem;
}
.side-link-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.5rem;
  padding:.8rem .95rem;
  border:1px solid var(--border);
  border-radius:14px;
  font-size:15px;
  font-weight:600;
  transition:border-color .2s,background .2s,transform .2s;
}
.side-link-item:hover{
  border-color:var(--primary);
  background:var(--primary-light);
  transform:translateY(-1px);
}
.side-link-item small{
  display:block;
  font-weight:400;
  font-size:12.5px;
  color:var(--text-muted);
  line-height:1.3;
}
.side-note{
  background:var(--bg);
  border-radius:12px;
  padding:.9rem 1rem;
  font-size:13px;
  color:var(--text-muted);
  border:1px solid var(--border);
}

/* 文章下导航 */
.topic-directory{
  margin-top:2.2rem;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:1.6rem;
}
.section-title{
  font-size:1.5rem;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
}
.section-sub{
  font-size:14px;
  color:var(--text-muted);
}
.directory-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1.5rem;
}
@media(max-width:768px){
  .directory-grid{grid-template-columns:1fr}
}
.directory-card{
  display:flex;
  flex-wrap:wrap;
  gap:1.2rem;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow-card);
  padding:1.2rem;
  align-items:center;
  transition:box-shadow .2s,transform .2s,border-color .2s;
}
.directory-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:rgba(11,122,90,.45);
}
.directory-img{
  flex-shrink:0;
  width:148px;
  height:104px;
  object-fit:cover;
  border-radius:14px;
  background:var(--primary-light);
  overflow:hidden;
}
.directory-info{
  flex:1;
  min-width:200px;
}
.directory-info h3{
  font-size:1.05rem;
  font-weight:800;
  margin:.2rem 0 .4rem;
}
.directory-info p{
  font-size:13.5px;
  color:var(--text-muted);
  line-height:1.65;
  margin-bottom:.75rem;
}
.link-more{
  font-size:13.5px;
  font-weight:600;
  color:var(--primary);
}
.link-more:hover{
  color:var(--primary-deep);
}

/* FAQ */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:1rem;
  transition:box-shadow .2s,border-color .2s;
  overflow:hidden;
}
.faq-item[open]{
  border-color:rgba(11,122,90,.35);
  box-shadow:var(--shadow-card);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.05rem 1.25rem;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  min-height:52px;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-plus{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:400;
  transition:transform .25s;
}
.faq-item[open] .faq-plus{
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 1.25rem 1.15rem;
  font-size:14px;
  color:var(--text-muted);
  line-height:1.85;
}

/* 底部 CTA */
.cta-band{
  margin-top:4rem;
  border-radius:24px;
  overflow:hidden;
  background:
    linear-gradient(110deg,rgba(9,74,62,.94),rgba(11,122,90,.86)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  padding:3.2rem 1.6rem;
  text-align:center;
}
@media(min-width:768px){
  .cta-band{padding:4rem 2.5rem}
}
.cta-band h2{
  font-size:clamp(1.5rem,1rem + 1.6vw,2rem);
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
}
.cta-band p{
  color:rgba(255,255,255,.7);
  max-width:650px;
  margin:.9rem auto 1.6rem;
  font-size:15px;
}
.cta-buttons{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:.9rem;
}

/* 页脚 */
.site-footer{
  background:var(--primary-deep);
  color:rgba(255,255,255,.78);
  padding:4rem 0 0;
  margin-top:2rem;
}
.site-footer h3{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:1rem;
}
.footer-brand-name{
  font-size:1.2rem;
  font-weight:800;
  color:#fff;
}
.foot-link{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.55);
  padding:.28rem 0;
  transition:color .2s;
}
.foot-link:hover{
  color:#fff;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:3rem;
  padding:1.2rem 0 1.5rem;
  font-size:13px;
  color:rgba(255,255,255,.42);
}

/* roulang page: category1 */
:root {
  --primary: #0B7A5A;
  --primary-dark: #094A3E;
  --primary-light: #DDF1E8;
  --deep: #07372D;
  --accent: #F59E2D;
  --accent-dark: #E4881B;
  --bg: #F7F5F0;
  --card: #FFFFFF;
  --text-ink: #1C2A24;
  --text-soft: #52625A;
  --border: #E2E9E4;
  --success: #2E8B57;
  --error: #B94A3B;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --shadow-card: 0 1px 2px rgba(20,40,30,0.04), 0 8px 24px rgba(20,40,30,0.05);
  --shadow-hover: 0 14px 34px rgba(20,40,30,0.08), 0 4px 10px rgba(20,40,30,0.04);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol, dl, dd, p, h1, h2, h3, figure { margin: 0; padding: 0; }
button { font: inherit; }
input, textarea { font: inherit; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(11,122,90,0.28);
  outline-offset: 3px;
  border-radius: 6px;
}
.container {
  width: 100%;
  max-width: 1200px !important;
  margin-inline: auto;
  padding-inline: 1rem;
}
@media (min-width: 768px) {
  .container { padding-inline: 2rem; }
}

.section { padding: 4rem 0; }
.section-soft { background: #FAF8F3; }
@media (min-width: 1024px) {
  .section { padding: 5.5rem 0; }
}

.top-strip {
  background: var(--deep);
  color: rgba(255,255,255,0.82);
  font-size: 12.5px;
  line-height: 1.5;
  padding: .45rem 0;
}
.top-strip .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.top-strip a { color: rgba(255,255,255,0.92); transition: color .2s; }
.top-strip a:hover { color: #FFD49C; }
.top-strip .domain-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 18px;
}
.top-strip .top-actions { white-space: nowrap; }
@media (max-width: 560px) {
  .top-strip .hide-s {
    display: none;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 8px 26px rgba(20,40,30,0.06);
}
.nav-center { display: flex; align-items: center; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary-dark); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  background: var(--primary);
  border-radius: 99px;
}
.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.mobile-menu-btn:hover { border-color: var(--primary); background: var(--primary-light); }
.mobile-menu-btn:active { transform: scale(.97); }
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 22px 40px rgba(20,40,30,0.14);
  padding: .75rem 0 1.25rem;
}
.mobile-nav.open { display: block; }
.mobile-nav .mobile-link {
  display: block;
  padding: .85rem 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-ink);
  border-bottom: 1px solid #EEF3EE;
}
.mobile-nav .mobile-link.active { color: var(--primary); }
.mobile-nav .btn { margin-top: 1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 44px;
  padding: .7rem 1.35rem;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--accent);
  color: #151F1A;
  box-shadow: 0 8px 18px rgba(245,158,45,0.24);
}
.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 12px 24px rgba(228,136,27,0.26);
}
.btn-outline {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: #fff;
  border-color: var(--primary-dark);
  color: var(--primary-dark);
}
.btn-dark {
  background: var(--primary-dark);
  color: #fff;
  border: 1px solid var(--primary-dark);
}
.btn-dark:hover { background: var(--deep); }
.btn-white-line {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
}
.btn-white-line:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.6); }
.btn-lg { min-height: 52px; padding: .9rem 1.8rem; font-size: 16px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: gap .2s, color .2s;
}
.text-link:hover { color: var(--primary-dark); gap: .6rem; }
.text-link .arrow { transition: transform .2s; font-size: 16px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 26px;
  padding: .15rem .7rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-warm {
  background: rgba(245,158,45,0.14);
  color: #9B4B00;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .section-head { flex-direction: column; align-items: flex-start; }
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-title {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.9rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-ink);
}
.section-desc {
  color: var(--text-soft);
  font-size: 15px;
  max-width: 720px;
  margin-top: .75rem;
}

.hero-cat {
  position: relative;
  overflow: hidden;
  padding: 4.6rem 0 4.2rem;
  background-image: linear-gradient(90deg, rgba(247,245,240,0.98) 0%, rgba(247,245,240,0.92) 65%, rgba(247,245,240,0.55) 100%), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center 40%;
}
@media (min-width: 1024px) {
  .hero-cat { padding: 6.2rem 0 5.4rem; }
}
.hero-copy h1 {
  font-size: clamp(1.9rem, 2.4vw + 1rem, 2.8rem);
  line-height: 1.22;
  font-weight: 700;
  color: var(--text-ink);
  margin: 1rem 0 1.1rem;
  letter-spacing: -0.01em;
}
.hero-copy .lead {
  color: var(--text-soft);
  font-size: 16px;
  max-width: 520px;
  margin-bottom: 1.8rem;
}
.hero-meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  color: var(--text-soft);
  font-size: 13px;
  margin-top: 1.6rem;
}
.check-item { display: inline-flex; align-items: center; gap: .35rem; }
.check-item svg { color: var(--success); flex: none; }
.hero-visual-box {
  position: relative;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
  padding: .75rem;
}
.hero-visual-box img {
  border-radius: 18px;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--primary-light);
}
.hero-visual-note {
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 1.4rem;
  background: rgba(7,55,45,0.82);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 13px;
  padding: .6rem .9rem;
  border-radius: 12px;
}

.feature-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .feature-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; } }
.feature-cell {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.feature-cell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: #CBE3D4;
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: .85rem;
}
.feature-cell h3 { font-size: 16px; margin-bottom: .4rem; }
.feature-cell p { font-size: 14px; color: var(--text-soft); line-height: 1.7; }

.topic-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
@media (min-width: 768px) { .topic-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .topic-grid { grid-template-columns: 1fr 1fr 1fr; } }
.topic-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: #C9E2D4;
}
.topic-card .cover-wrap {
  background: #E4F0E9;
  overflow: hidden;
}
.topic-card .cover-wrap img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .4s ease;
}
.topic-card:hover .cover-wrap img { transform: scale(1.03); }
.topic-body { padding: 1.2rem 1.25rem 1.3rem; display: flex; flex-direction: column; flex: 1; }
.topic-body .tag-row { display: flex; margin-bottom: .6rem; }
.topic-body h3 { font-size: 16px; line-height: 1.4; margin-bottom: .35rem; }
.topic-body p { font-size: 14px; color: var(--text-soft); flex: 1; }
.topic-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  margin-top: 1rem;
  padding-top: .85rem;
  border-top: 1px solid #EEF2EE;
}
.topic-time { font-size: 12px; color: #7B8A82; }

.rank-panel {
  border-radius: 24px;
  background-image: linear-gradient(135deg, rgba(7,55,45,0.97), rgba(9,74,62,0.96)), url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 1.5rem;
  box-shadow: 0 18px 40px rgba(7,55,45,0.2);
}
@media (min-width: 1024px) {
  .rank-panel { padding: 2.2rem; }
}
.rank-panel .section-title { color: #fff; }
.rank-panel .section-desc { color: rgba(255,255,255,0.66); }
.rank-list { margin-top: 1.5rem; }
.rank-item {
  display: grid;
  grid-template-columns: 42px 1fr auto auto;
  gap: .8rem;
  align-items: center;
  padding: 1rem .5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  transition: background .2s;
}
.rank-item:hover { background: rgba(255,255,255,0.08); border-radius: 12px; }
.rank-no {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  opacity: .9;
  text-align: center;
}
.rank-name h4 { font-size: 15px; font-weight: 600; margin-bottom: .1rem; }
.rank-name span { font-size: 13px; color: rgba(255,255,255,0.58); }
.rank-tag {
  font-size: 12px;
  padding: .2rem .55rem;
  border-radius: 6px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.74);
  white-space: nowrap;
  display: none;
}
.rank-score {
  color: #FFD49C;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  text-align: right;
}
@media (min-width: 768px) {
  .rank-item { grid-template-columns: 50px 1fr 120px 70px; }
  .rank-tag { display: inline-block; }
}

.spec-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
}
.spec-list { padding: 0; }
.spec-list li {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: .3rem;
  padding: 1rem 0;
  border-bottom: 1px solid #EEF2EE;
}
.spec-label {
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 14px;
}
.spec-value { color: var(--text-soft); font-size: 14px; }
@media (min-width: 768px) {
  .spec-list li { grid-template-columns: 170px 1fr; align-items: baseline; gap: 1rem; }
}

.scenario-list { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 768px) { .scenario-list { grid-template-columns: 1fr 1fr; } }
.scenario-item {
  display: flex;
  gap: .8rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.2rem;
  transition: transform .2s, box-shadow .2s;
}
.scenario-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.scenario-cue {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #FFF3E0;
  color: #B46300;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.scenario-copy h4 { font-size: 15px; margin-bottom: .2rem; }
.scenario-copy p { font-size: 14px; color: var(--text-soft); }

.review-summary {
  position: sticky;
  top: 112px;
  background: linear-gradient(160deg, var(--primary-light), #F0F8F3);
  border: 1px solid #D5E9DD;
  border-radius: 20px;
  padding: 1.6rem;
  color: var(--text-ink);
}
.score-number {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
  letter-spacing: -0.04em;
}
.score-sub { font-size: 14px; color: var(--text-soft); margin-top: .8rem; }
.review-item {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
}
.star-rating { color: var(--accent); letter-spacing: .14em; font-size: 15px; }
.review-item p { margin: .5rem 0 .6rem; font-size: 14.5px; color: var(--text-ink); }
.review-meta { font-size: 12.5px; color: #75867C; }

.faq-list { max-width: 880px; margin-inline: auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  margin-bottom: .8rem;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item:hover { border-color: #C5E0D1; }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 1.25rem;
  font-weight: 600;
  font-size: 15.5px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] { border-color: #B7D8C5; }
.faq-item[open] summary { padding-bottom: .65rem; }
.faq-icon {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 500;
  transition: transform .25s ease, background .25s ease;
}
.faq-icon::before { content: "+"; line-height: 1; }
.faq-item[open] .faq-icon { transform: rotate(45deg); background: rgba(245,158,45,0.2); color: #8C4610; }
.faq-body { padding: 0 1.25rem 1.2rem; color: var(--text-soft); font-size: 14.5px; }

.cta-shell {
  background-image: linear-gradient(130deg, rgba(9,74,62,0.98), rgba(13,102,77,0.95)), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  border-radius: 28px;
  padding: 3rem 1.6rem;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
@media (min-width: 768px) {
  .cta-shell { padding: 4.4rem 3.5rem; }
}
.cta-shell h2 {
  color: #fff;
  font-size: clamp(1.45rem, 1.4vw + 1rem, 2rem);
  line-height: 1.3;
  max-width: 620px;
  margin-inline: auto;
  font-weight: 700;
}
.cta-shell p {
  color: rgba(255,255,255,0.74);
  max-width: 620px;
  margin: 1rem auto 0;
  font-size: 15px;
}
.cta-btn-row { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: 2rem; }
.cta-note { display: block; max-width: 520px !important; font-size: 13px !important; color: rgba(255,255,255,0.52) !important; margin: 1.1rem auto 0 !important; }

.site-footer {
  background: var(--deep);
  color: rgba(255,255,255,0.7);
  padding: 3.4rem 0 2rem;
  margin-top: 5rem;
}
.site-footer h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: .85rem;
  letter-spacing: .02em;
  line-height: 1.5;
}
.footer-brand-name { font-size: 19px !important; font-weight: 700 !important; color: #fff !important; }
.foot-link {
  display: block;
  color: rgba(255,255,255,0.58);
  font-size: 14px;
  padding: .25rem 0;
  transition: color .2s ease, transform .2s ease;
}
.foot-link:hover { color: #FFD49C; transform: translateX(2px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 2.4rem;
  padding-top: 1.4rem;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem 1.5rem;
}

@media (max-width: 1024px) {
  .nav-center { display: none; }
  .mobile-menu-btn { display: inline-flex; }
  .header-cta-desktop { display: none; }
}
@media (min-width: 1025px) {
  .mobile-menu-btn { display: none; }
  .mobile-nav { display: none !important; }
  .header-cta-desktop { display: inline-flex; }
}

/* roulang page: category2 */
:root {
        --primary: #0B7A5A;
        --primary-dark: #094A3E;
        --primary-light: #DDF1E8;
        --accent: #F59E2D;
        --accent-hover: #E4881B;
        --bg-site: #F7F5F0;
        --card: #FFFFFF;
        --ink: #1C2A24;
        --muted: #52625A;
        --border: #E2E9E4;
        --success: #2E8B57;
        --danger: #B94A3B;
        --radius-card: 16px;
        --radius-btn: 12px;
        --radius-tag: 6px;
        --shadow-card: 0 1px 2px rgba(20, 40, 30, 0.04), 0 8px 24px rgba(20, 40, 30, 0.05);
        --shadow-hover: 0 8px 18px rgba(20, 40, 30, 0.08), 0 18px 40px rgba(20, 40, 30, 0.08);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        background: var(--bg-site);
        color: var(--ink);
        font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        line-height: 1.75;
        font-size: 16px;
    }

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

    a {
        color: inherit;
        text-decoration: none;
    }

    button,
    input,
    summary {
        font: inherit;
    }

    ::selection {
        background: var(--primary-light);
    }

    .container {
        width: 100%;
        max-width: 1240px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    @media (min-width: 641px) {
        .container {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(12px);
        box-shadow: 0 1px 0 rgba(226, 233, 228, 0.7);
    }

    .top-info-bar {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.82);
        font-size: 12px;
    }

    .top-info-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 34px;
        gap: 1rem;
    }

    .top-info-bar a {
        color: rgba(255, 255, 255, 0.94);
        transition: color 0.2s;
    }

    .top-info-bar a:hover {
        color: #ffffff;
    }

    .nav-center {
        display: flex;
        align-items: center;
    }

    .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        min-height: 40px;
        font-size: 15px;
        font-weight: 600;
        color: var(--muted);
        padding: 0 2px;
        letter-spacing: 0.01em;
        border-bottom: 2px solid transparent;
        transition: color 0.2s ease, border-color 0.2s ease;
    }

    .nav-link:hover {
        color: var(--primary);
    }

    .nav-link.active {
        color: var(--primary);
        border-bottom-color: var(--primary);
    }

    .nav-mobile {
        display: none;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: transparent;
        border: 1px solid var(--border);
        cursor: pointer;
    }

    .nav-mobile:hover {
        background: var(--primary-light);
    }

    .mobile-close-btn {
        position: absolute;
        top: 1rem;
        right: 1.25rem;
    }

    .btn-primary,
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        min-height: 46px;
        padding: 0 1.4rem;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        border: 1px solid transparent;
        transition: all 0.2s ease;
        cursor: pointer;
        white-space: nowrap;
    }

    .btn-primary {
        background: var(--accent);
        color: #1C2A24;
        box-shadow: 0 4px 14px rgba(245, 158, 45, 0.22);
    }

    .btn-primary:hover {
        background: var(--accent-hover);
        color: #1C2A24;
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(245, 158, 45, 0.3);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 3px 10px rgba(245, 158, 45, 0.24);
    }

    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .nav-mobile:focus-visible {
        outline: 3px solid rgba(11, 122, 90, 0.35);
        outline-offset: 2px;
    }

    .btn-secondary {
        background: #ffffff;
        color: var(--primary);
        border-color: rgba(11, 122, 90, 0.55);
        box-shadow: 0 1px 4px rgba(20, 40, 30, 0.04);
    }

    .btn-secondary:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
        border-color: var(--primary);
    }

    .hero-section {
        background:
            linear-gradient(180deg, rgba(221, 241, 232, 0.75), rgba(247, 245, 240, 0.5)),
            radial-gradient(1200px 320px at 8% -4%, rgba(11, 122, 90, 0.14), transparent 70%);
        padding-top: 70px;
        padding-bottom: 84px;
        border-bottom: 1px solid var(--border);
    }

    .hero-title {
        margin-top: 1rem;
        margin-bottom: 0.75rem;
        font-size: clamp(2rem, 1.2rem + 1.8vw, 3.1rem);
        line-height: 1.25;
        font-weight: 700;
        letter-spacing: -0.01em;
        color: var(--ink);
    }

    .hero-subtitle {
        max-width: 660px;
        font-size: 17px;
        color: var(--muted);
        line-height: 1.9;
        margin-bottom: 1.75rem;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .hero-note {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.4rem;
        margin-top: 1.25rem;
        font-size: 13px;
        color: var(--muted);
    }

    .hero-visual {
        position: relative;
        min-height: 360px;
        border-radius: 24px;
        overflow: hidden;
        background-image: url("/assets/images/backpic/back-1.png");
        background-size: cover;
        background-position: center;
        box-shadow: 0 24px 64px rgba(20, 40, 30, 0.14);
    }

    .hero-visual::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(9, 74, 62, 0.05), rgba(9, 74, 62, 0.25));
        pointer-events: none;
    }

    .hero-float {
        position: absolute;
        z-index: 2;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(8px);
        padding: 0.8rem 1rem;
        box-shadow: 0 10px 30px rgba(20, 40, 30, 0.12);
        border: 1px solid rgba(226, 233, 228, 0.85);
    }

    .hero-float-one {
        left: 1rem;
        top: 1rem;
    }

    .hero-float-two {
        right: 1rem;
        bottom: 1.25rem;
        left: auto;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid var(--border);
        padding: 0.32rem 0.75rem;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.02em;
    }

    .eyebrow .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
    }

    .site-section {
        padding: 72px 0;
    }

    .section-head {
        max-width: 780px;
        margin-bottom: 2.5rem;
    }

    .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 0.5rem;
    }

    .section-title {
        font-size: clamp(1.6rem, 1rem + 1vw, 2.1rem);
        line-height: 1.3;
        font-weight: 700;
        margin: 0.2rem 0 0.9rem;
        color: var(--ink);
    }

    .section-desc {
        font-size: 16px;
        color: var(--muted);
        line-height: 1.8;
    }

    .direction-card {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 1.1rem 1.2rem;
        min-height: 150px;
        display: flex;
        flex-direction: column;
        gap: 0.45rem;
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .direction-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .direction-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 10px;
        background: var(--primary-light);
        color: var(--primary);
        font-weight: 700;
        font-size: 16px;
    }

    .direction-card h3 {
        font-size: 1.02rem;
        font-weight: 700;
        margin: 0;
        color: var(--ink);
    }

    .direction-card p {
        margin: 0;
        font-size: 14px;
        line-height: 1.7;
        color: var(--muted);
    }

    .tools-grid .card-img {
        border-radius: 14px;
        overflow: hidden;
        aspect-ratio: 16 / 9;
    }

    .tool-card {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 0.8rem 0.8rem 1.1rem;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        height: 100%;
    }

    .tool-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }

    .tool-card h3 {
        font-size: 1.05rem;
        line-height: 1.45;
        font-weight: 700;
        margin: 0.55rem 0 0.3rem;
        padding: 0 0.2rem;
    }

    .tool-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.7;
        margin: 0 0 0.6rem;
        padding: 0 0.2rem;
    }

    .tool-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        padding: 0 0.2rem;
        font-size: 12px;
        color: var(--muted);
    }

    .tool-badge {
        display: inline-block;
        background: var(--primary-light);
        color: var(--primary-dark);
        font-size: 12px;
        font-weight: 600;
        padding: 0.16rem 0.5rem;
        border-radius: var(--radius-tag);
        line-height: 1.4;
    }

    .img-cover {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .rank-section {
        background: #ffffff;
    }

    .rank-major {
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
        min-height: 340px;
        background: var(--primary-dark);
        color: #fff;
    }

    .rank-major .rank-major-bg {
        min-height: 150px;
        background-image: url("/assets/images/coverpic/cover-7.png");
        background-size: cover;
        background-position: center;
    }

    .rank-major h3 {
        margin: 0 0 0.5rem;
        font-size: 1.15rem;
        line-height: 1.5;
    }

    .rank-major p {
        margin: 0;
        color: rgba(255, 255, 255, 0.7);
        font-size: 14px;
    }

    .rank-list {
        display: flex;
        flex-direction: column;
    }

    .rank-item {
        display: grid;
        grid-template-columns: 44px 1fr;
        gap: 0.8rem;
        align-items: start;
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--border);
        transition: background 0.2s;
    }

    .rank-item:last-child {
        border-bottom: none;
    }

    .rank-item:hover {
        background: rgba(221, 241, 232, 0.3);
        border-radius: 12px;
    }

    .rank-index {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 10px;
        background: var(--primary-light);
        color: var(--primary);
        font-weight: 700;
        font-size: 14px;
    }

    .rank-item h3 {
        margin: 0 0 0.15rem;
        font-size: 16px;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.4;
    }

    .rank-item p {
        margin: 0;
        color: var(--muted);
        font-size: 13px;
        line-height: 1.6;
    }

    .review-summary {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 2rem;
        height: 100%;
    }

    .stars {
        display: inline-flex;
        gap: 2px;
        color: var(--accent);
        font-size: 20px;
        letter-spacing: 2px;
    }

    .summary-score {
        font-size: 2.4rem;
        line-height: 1.1;
        font-weight: 800;
        color: var(--ink);
        margin-top: 0.4rem;
    }

    .review-item {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 1.1rem 1.25rem;
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .review-item:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .review-item p {
        margin: 0.45rem 0 0.4rem;
        color: var(--ink);
        font-size: 15px;
    }

    .review-item .review-meta {
        color: var(--muted);
        font-size: 13px;
    }

    .faq-wrap {
        max-width: 880px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 0.9rem;
    }

    .faq-item {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 0.25rem 1rem;
        box-shadow: var(--shadow-card);
        transition: box-shadow 0.2s;
    }

    .faq-item[open] {
        box-shadow: var(--shadow-hover);
    }

    .faq-item summary {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.9rem 0;
        cursor: pointer;
        list-style: none;
        font-weight: 600;
        color: var(--ink);
        min-height: 52px;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-index {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 8px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .faq-toggle {
        margin-left: auto;
        font-size: 20px;
        line-height: 1;
        color: var(--primary);
        transition: transform 0.2s;
    }

    .faq-item[open] .faq-toggle {
        transform: rotate(45deg);
    }

    .faq-body {
        padding: 0 0.4rem 1.1rem 2.6rem;
        color: var(--muted);
        font-size: 15px;
        line-height: 1.8;
    }

    .cta-section {
        background:
            linear-gradient(90deg, rgba(9, 74, 62, 0.94), rgba(11, 122, 90, 0.9)),
            url("/assets/images/backpic/back-2.png") center / cover;
        padding: 80px 0;
        color: #fff;
    }

    .cta-box {
        max-width: 820px;
        margin: 0 auto;
        text-align: center;
    }

    .cta-box h2 {
        font-size: clamp(1.7rem, 1rem + 1.6vw, 2.6rem);
        line-height: 1.35;
        font-weight: 700;
        margin: 0.3rem 0 0.8rem;
    }

    .cta-box p {
        color: rgba(255, 255, 255, 0.78);
        font-size: 16px;
        margin-bottom: 1.6rem;
    }

    .cta-section .btn-primary {
        background: var(--accent);
        color: #1C2A24;
    }

    .cta-section .btn-secondary {
        background: rgba(255, 255, 255, 0.12);
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.55);
    }

    .cta-section .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.22);
        color: #ffffff;
    }

    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 52px 0 30px;
    }

    .site-footer h3 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin: 0 0 0.7rem;
    }

    .footer-brand-name {
        font-size: 20px !important;
        font-weight: 700;
        margin-bottom: 0.2rem;
    }

    .foot-link {
        display: block;
        padding: 0.25rem 0;
        color: rgba(255, 255, 255, 0.68);
        font-size: 14px;
        transition: color 0.2s, padding-left 0.2s;
    }

    .foot-link:hover {
        color: #ffffff;
        padding-left: 3px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.16);
        margin-top: 2.2rem;
        padding-top: 1.25rem;
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem 2rem;
        align-items: center;
        justify-content: space-between;
        color: rgba(255, 255, 255, 0.42);
        font-size: 13px;
    }

    .crumb-inline {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 1.2rem;
    }

    .crumb-inline a {
        color: var(--primary);
    }

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

    .icon-check {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: rgba(46, 139, 87, 0.14);
        color: var(--success);
        font-size: 12px;
    }

    .grid-gap-custom {
        gap: 1.25rem;
    }

    @media (max-width: 1023px) {
        .hero-section {
            padding-top: 44px;
            padding-bottom: 52px;
        }

        .site-section {
            padding: 56px 0;
        }

        .hero-visual {
            min-height: 300px;
        }
    }

    @media (max-width: 767px) {
        .nav-center {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            left: auto;
            width: min(82%, 320px);
            background: #ffffff;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            padding: 5.2rem 2rem 2rem;
            gap: 0.85rem;
            transform: translateX(100%);
            opacity: 0;
            visibility: hidden;
            transition: transform 0.26s ease, opacity 0.26s ease, visibility 0.26s;
            z-index: 60;
            box-shadow: -20px 0 60px rgba(20, 40, 30, 0.14);
            border-left: 1px solid var(--border);
        }

        .nav-center.open {
            transform: translateX(0);
            opacity: 1;
            visibility: visible;
        }

        body.nav-lock {
            overflow: hidden;
        }

        .nav-mobile {
            display: inline-flex;
        }

        .mobile-close-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            cursor: pointer;
            color: var(--ink);
            font-size: 20px;
        }

        .header-cta-desktop {
            display: none !important;
        }

        .nav-right-mobile {
            display: inline-flex;
        }

        .hero-section,
        .site-section {
            padding-left: 0.25rem;
            padding-right: 0.25rem;
        }

        .hero-title {
            font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.4rem);
        }

        .tool-card h3 {
            font-size: 1rem;
        }
    }

    @media (min-width: 768px) {
        .mobile-close-btn {
            display: none;
        }
    }