/* roulang page: index */
:root {
    --c-green-900: #0B4F4F;
    --c-green-700: #116B68;
    --c-green-500: #1F8A80;
    --c-deep: #0B3B3B;
    --c-orange: #E86A4A;
    --c-amber: #F0B053;
    --c-cream: #FAF6F0;
    --c-white: #FFFFFF;
    --c-ink: #1E2A2A;
    --c-gray: #5F7373;
    --c-line: #DDD6C9;
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--c-cream);
    color: var(--c-ink);
    line-height: 1.85;
    letter-spacing: 0.01em;
    padding-bottom: 64px;
  }
  @media (min-width: 768px) { body { padding-bottom: 0; } }
  img { max-width: 100%; height: auto; }
  a { text-decoration: none; color: inherit; }
  button, input { font-family: inherit; }

  .container-site {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
  }
  @media (min-width: 768px) {
    .container-site { padding-left: 40px; padding-right: 40px; }
  }

  /* Header */
  #siteHeader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: 72px;
    background: rgba(11, 79, 79, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  #siteHeader.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 2px 24px rgba(11, 79, 79, 0.10);
  }
  #siteHeader .nav-link {
    color: rgba(255,255,255,0.9);
    font-size: 15px;
    font-weight: 500;
    padding: 6px 2px;
    position: relative;
    transition: color 0.2s;
  }
  #siteHeader .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    border-radius: 2px;
    background: var(--c-amber);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
  }
  #siteHeader .nav-link:hover::after,
  #siteHeader .nav-link.active::after { transform: scaleX(1); }
  #siteHeader .nav-link:hover { color: #fff; }
  #siteHeader.scrolled .nav-link { color: var(--c-ink); }
  #siteHeader.scrolled .nav-link:hover { color: var(--c-green-700); }

  .logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--c-orange);
    color: #fff;
    font-weight: 900;
    font-size: 16px;
    letter-spacing: -0.02em;
  }

  /* Buttons */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--c-orange);
    color: #fff;
    font-weight: 600;
    border-radius: 9999px;
    padding: 12px 28px;
    transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(232, 106, 74, 0.35);
    font-size: 15px;
    border: none;
    cursor: pointer;
  }
  .btn-primary:hover { background: #D4583E; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,106,74,0.4); }
  .btn-primary:active { transform: translateY(0); }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.85);
    color: #fff;
    font-weight: 600;
    border-radius: 9999px;
    padding: 11px 28px;
    transition: all 0.25s;
    font-size: 15px;
    background: transparent;
    cursor: pointer;
  }
  .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
  .btn-outline-green {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--c-green-700);
    color: var(--c-green-700);
    font-weight: 600;
    border-radius: 9999px;
    padding: 10px 24px;
    transition: all 0.25s;
    font-size: 14px;
    background: transparent;
    cursor: pointer;
  }
  .btn-outline-green:hover { background: var(--c-green-700); color: #fff; }

  /* Section spacing */
  .section { padding: 72px 0; }
  @media (min-width: 768px) { .section { padding: 96px 0; } }

  .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--c-green-700);
    background: rgba(15, 83, 83, 0.08);
    padding: 4px 14px;
    border-radius: 9999px;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
  }

  /* Feature cards */
  .feature-card {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: 24px;
    padding: 36px 32px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
  }
  .feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(11,79,79,0.15); border-color: rgba(31,138,128,0.4); }
  .feature-card .num {
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    color: rgba(11, 79, 79, 0.12);
    position: absolute;
    top: 20px;
    right: 24px;
    letter-spacing: -0.03em;
  }
  .feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }

  /* News cards */
  .news-card {
    background: var(--c-white);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--c-line);
    transition: transform 0.3s, box-shadow 0.3s;
    display: block;
  }
  .news-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(11,79,79,0.15); }
  .news-card .thumb { overflow: hidden; aspect-ratio: 16 / 9; background: #E8E2D8; }
  .news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
  .news-card:hover .thumb img { transform: scale(1.05); }
  .news-card .badge {
    display: inline-block;
    background: rgba(15,107,104,0.1);
    color: var(--c-green-700);
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    padding: 3px 10px;
  }
  .news-card h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--c-ink);
  }
  .news-card p.desc {
    font-size: 14px;
    color: var(--c-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.7;
  }
  .news-card .time { font-size: 13px; color: #9AA8A8; }

  /* Gallery wall */
  .gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    display: block;
    background: #D8D2C8;
  }
  .gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
  .gallery-item:hover img { transform: scale(1.05); }
  .gallery-item .overlay {
    position: absolute;
    inset: 0;
    background: rgba(11, 79, 79, 0.25);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .gallery-item:hover .overlay { opacity: 1; }
  .gallery-item .tag {
    position: absolute;
    left: 14px;
    bottom: 14px;
    background: var(--c-amber);
    color: #1E2A2A;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 8px;
    z-index: 2;
    letter-spacing: 0.02em;
  }
  .gallery-item .caption {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 2;
    font-size: 14px;
    color: #fff;
    font-weight: 500;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.3s, transform 0.3s;
    text-shadow: 0 2px 6px rgba(0,0,0,0.3);
  }
  .gallery-item:hover .caption { opacity: 1; transform: translateY(0); }

  /* Apply form */
  .apply-form .form-input {
    width: 100%;
    height: 48px;
    border-radius: 9999px;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.95);
    padding: 0 20px;
    font-size: 15px;
    color: var(--c-ink);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
  }
  .apply-form .form-input::placeholder { color: #9AA8A8; }
  .apply-form .form-input:focus { border-color: var(--c-amber); box-shadow: 0 0 0 3px rgba(240,176,83,0.25); }

  /* FAQ accordion */
  .faq-item {
    background: var(--c-white);
    border: 1px solid var(--c-line);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.25s;
  }
  .faq-item:hover { box-shadow: 0 4px 18px rgba(11,79,79,0.08); }
  .faq-item.open { box-shadow: 0 6px 24px rgba(11,79,79,0.10); }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    color: var(--c-ink);
  }
  .faq-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(11,79,79,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s, background 0.3s;
    font-size: 20px;
    font-weight: 400;
    color: var(--c-green-700);
    line-height: 1;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--c-green-700); color: #fff; }
  .faq-answer {
    display: none;
    padding: 0 24px 24px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--c-gray);
  }
  .faq-item.open .faq-answer { display: block; }
  .faq-answer ul { list-style: none; padding-left: 0; margin: 10px 0 0; }
  .faq-answer ul li { padding-left: 18px; position: relative; margin-bottom: 6px; }
  .faq-answer ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-green-700);
  }

  /* Footer */
  .footer { background: var(--c-deep); color: #C9D4D4; }
  .footer a { color: #C9D4D4; transition: color 0.2s; }
  .footer a:hover { color: #fff; }

  /* Mobile bottom tab */
  .mobile-tabbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    height: calc(64px + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: #fff;
    border-top: 1px solid var(--c-line);
    display: flex;
    align-items: stretch;
    box-shadow: 0 -4px 20px rgba(11,79,79,0.06);
  }
  @media (min-width: 768px) { .mobile-tabbar { display: none; } }
  .mobile-tabbar .tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: #9AA8A8;
    font-size: 12px;
    font-weight: 500;
    transition: color 0.2s;
  }
  .mobile-tabbar .tab.active { color: var(--c-green-700); }
  .mobile-tabbar .tab svg { width: 22px; height: 22px; }

  /* Scroll indicator */
  .scroll-indicator { animation: bounce 2s infinite; }
  @keyframes bounce {
    0%, 100% { transform: translateY(0); opacity: 0.7; }
    50% { transform: translateY(8px); opacity: 1; }
  }

  /* Utilities */
  .text-balance { text-wrap: balance; }
  .line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }

  @media (max-width: 640px) {
    .section { padding: 56px 0; }
    .feature-card { padding: 28px 22px; }
    .faq-question { padding: 18px 18px; }
    .faq-answer { padding: 0 18px 20px; }
  }

/* roulang page: article */
:root {
  --c-green-900: #0B4F4F;
  --c-green-700: #116B68;
  --c-green-500: #1F8A80;
  --c-deep: #0B3B3B;
  --c-orange: #E86A4A;
  --c-orange-hover: #D4583E;
  --c-amber: #F0B053;
  --c-cream: #FAF6F0;
  --c-white: #FFFFFF;
  --c-ink: #1E2A2A;
  --c-gray: #5F7373;
  --c-line: #DDD6C9;
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --shadow-card: 0 8px 30px rgba(11, 79, 79, 0.08);
  --shadow-card-hover: 0 12px 36px rgba(11, 79, 79, 0.15);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--c-cream);
  color: var(--c-ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
button, input { font-family: inherit; }
.container-site {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 1024px) {
  .container-site { padding: 0 40px; }
}

/* 顶部导航 */
#siteHeader {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 79, 79, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
}
#siteHeader.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(221, 214, 201, 0.4);
}
#siteHeader.scrolled .logo-badge { background: var(--c-orange); }
#siteHeader.scrolled #headerLogoText { color: var(--c-ink); }
#siteHeader.scrolled .nav-link { color: var(--c-ink); }
#siteHeader.scrolled .nav-link:hover { color: var(--c-green-700); }
#siteHeader.scrolled .nav-link.active::after { background: var(--c-amber); }
#siteHeader.scrolled .header-cta { background: var(--c-orange); color: #fff; }
#siteHeader.scrolled .header-cta:hover { background: var(--c-orange-hover); }

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--c-orange);
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  border-radius: 12px;
  letter-spacing: -0.02em;
  user-select: none;
  transition: background 0.3s;
}
#headerLogoText {
  transition: color 0.3s;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  padding: 8px 2px;
  transition: color 0.25s;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; font-weight: 700; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--c-amber);
  border-radius: 3px 3px 0 0;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-orange);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: 9999px;
  padding: 14px 32px;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  box-shadow: 0 4px 16px rgba(232, 106, 74, 0.3);
}
.btn-primary:hover {
  background: var(--c-orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232, 106, 74, 0.4);
}
.btn-primary:focus { outline: 2px solid var(--c-amber); outline-offset: 2px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: 9999px;
  padding: 12px 30px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-1px);
}
.btn-outline:focus { outline: 2px solid var(--c-amber); outline-offset: 2px; }

/* 页脚 */
.footer {
  background: var(--c-deep);
  color: rgba(255, 255, 255, 0.7);
}
.footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}
.footer a:hover { color: var(--c-amber); }
.footer ul li { list-style: none; }
.footer h4 { letter-spacing: -0.01em; }

/* 文章页面专用 */
.article-breadcrumb-bar {
  background: var(--c-cream);
  border-bottom: 1px solid var(--c-line);
  padding: 24px 0 0;
}
.breadcrumb-link {
  font-size: 14px;
  color: var(--c-gray);
  transition: color 0.2s;
}
.breadcrumb-link:hover { color: var(--c-green-700); }
.breadcrumb-sep {
  margin: 0 10px;
  color: #B3BCB0;
  font-size: 13px;
}
.article-hero {
  background: var(--c-green-900);
  background-image: linear-gradient(180deg, rgba(11, 79, 79, 0.45) 0%, var(--c-green-900) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 140px 0 72px;
  color: #fff;
}
@media (max-width: 767px) {
  .article-hero { padding: 130px 0 52px; }
}
.article-cat-tag {
  display: inline-block;
  background: var(--c-amber);
  color: #3A2E12;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.article-hero h1 {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  max-width: 880px;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .article-hero h1 { font-size: 3.25rem; }
}
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.article-summary {
  background: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--c-amber);
  border-radius: 0 16px 16px 0;
  padding: 18px 24px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.85);
  max-width: 800px;
}
.article-body-wrap {
  background: var(--c-cream);
  padding: 64px 0 48px;
}
@media (min-width: 768px) {
  .article-body-wrap { padding: 80px 0 60px; }
}
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.9;
}
@media (min-width: 768px) {
  .article-content { font-size: 17px; }
}
.article-content p {
  margin-bottom: 2rem;
}
.article-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--c-ink);
}
.article-content blockquote {
  border-left: 4px solid var(--c-green-700);
  background: #F0F4F0;
  border-radius: 16px;
  padding: 1.5rem;
  margin: 2rem 0;
  font-size: 15px;
  line-height: 1.85;
  color: #3E5A5A;
}
.article-content ul {
  margin: 1.5rem 0;
  padding-left: 0;
  list-style: none;
}
.article-content ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.75rem;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green-700);
}
.article-content img {
  border-radius: 16px;
  margin: 2rem auto;
  box-shadow: var(--shadow-card);
}
.article-content figcaption {
  text-align: center;
  color: var(--c-gray);
  font-size: 14px;
  margin-top: -1rem;
  margin-bottom: 2rem;
}
.article-content a {
  color: var(--c-green-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--c-orange); }

/* 相关推荐 */
.related-section {
  background: var(--c-cream);
  padding: 48px 0 72px;
}
@media (min-width: 768px) {
  .related-section { padding: 64px 0 96px; }
}
.recommend-card {
  display: block;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s, box-shadow 0.25s;
}
.recommend-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.recommend-card .rec-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.recommend-card .rec-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.recommend-card:hover .rec-img img { transform: scale(1.05); }
.recommend-card .rec-body {
  padding: 20px 22px 24px;
}
.recommend-card .rec-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-green-700);
  background: rgba(31, 138, 128, 0.1);
  padding: 4px 12px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 10px;
}
.recommend-card .rec-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3em;
}
.recommend-card .rec-date {
  font-size: 13px;
  color: var(--c-gray);
}

/* CTA 区块 */
.cta-section {
  background: var(--c-deep);
  background-image: linear-gradient(135deg, rgba(11, 59, 59, 0.92) 0%, rgba(11, 79, 79, 0.88) 100%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 72px 0;
}
@media (min-width: 768px) {
  .cta-section { padding: 100px 0; }
}
.cta-section h2 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .cta-section h2 { font-size: 2.75rem; }
}
.cta-form-input {
  width: 100%;
  height: 48px;
  border-radius: 9999px;
  border: none;
  padding: 0 20px;
  font-size: 14px;
  background: #fff;
  color: var(--c-ink);
  outline: none;
  transition: box-shadow 0.25s;
}
.cta-form-input:focus {
  box-shadow: 0 0 0 3px rgba(240, 176, 83, 0.4);
}
.cta-form-input::placeholder { color: #A0ADAD; }

/* 内容未找到 */
.not-found-box {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 30px;
}
.not-found-box .icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(232, 106, 74, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

/* 移动端底部 Tab */
.mobile-bottom-tab {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  height: 64px;
  padding-bottom: env(safe-area-inset-bottom);
  background: #fff;
  border-top: 1px solid rgba(221, 214, 201, 0.5);
  display: flex;
  align-items: stretch;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
}
.mobile-bottom-tab .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #A0ADAD;
  font-size: 12px;
  transition: color 0.2s;
}
.mobile-bottom-tab .tab-item.active {
  color: var(--c-green-700);
  font-weight: 700;
}
.mobile-bottom-tab .tab-item svg {
  width: 20px;
  height: 20px;
}
@media (min-width: 768px) {
  .mobile-bottom-tab { display: none; }
}
body { padding-bottom: 64px; }
@media (min-width: 768px) {
  body { padding-bottom: 0; }
}

/* 移动端调试：隐藏桌面导航，在移动端显示修改后的菜单 */
@media (max-width: 1023px) {
  .desktop-nav { display: none !important; }
  .desktop-cta { display: none !important; }
}

/* roulang page: category1 */
:root {
      --c-green-900: #0B4F4F;
      --c-green-700: #116B68;
      --c-green-500: #1F8A80;
      --c-deep: #0B3B3B;
      --c-orange: #E86A4A;
      --c-orange-hover: #D4583E;
      --c-amber: #F0B053;
      --c-cream: #FAF6F0;
      --c-white: #FFFFFF;
      --c-ink: #1E2A2A;
      --c-gray: #5F7373;
      --c-line: #DDD6C9;
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-full: 9999px;
      --shadow-card: 0 8px 30px rgba(11,79,79,0.08);
      --shadow-card-hover: 0 12px 36px rgba(11,79,79,0.15);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--c-cream);
      color: var(--c-ink);
      line-height: 1.85;
      font-size: 16px;
      letter-spacing: 0.01em;
      padding-bottom: 76px;
    }
    @media (min-width: 1024px) {
      body {
        padding-bottom: 0;
      }
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    button {
      font-family: inherit;
    }
    .container-site {
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    @media (min-width: 1024px) {
      .container-site {
        padding-left: 40px;
        padding-right: 40px;
      }
    }
    /* ===== Header ===== */
    #siteHeader {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 72px;
      background: rgba(11, 79, 79, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      transition: background .4s ease, box-shadow .4s ease;
    }
    #siteHeader.scrolled {
      background: rgba(255, 255, 255, 0.97);
      box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
    }
    #siteHeader.scrolled .nav-link {
      color: var(--c-ink);
    }
    #siteHeader.scrolled .nav-link:hover {
      color: var(--c-green-700);
    }
    #siteHeader.scrolled .nav-link.active {
      color: var(--c-green-900);
    }
    #siteHeader.scrolled .nav-link.active::after {
      background: var(--c-orange);
    }
    #siteHeader.scrolled #headerLogoText {
      color: var(--c-ink);
    }
    .logo-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--c-orange);
      color: #fff;
      font-weight: 900;
      font-size: 18px;
      border-radius: 10px;
      letter-spacing: -0.02em;
    }
    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.88);
      transition: color .3s;
      padding: 8px 2px;
    }
    .nav-link:hover {
      color: #fff;
    }
    .nav-link.active {
      color: #fff;
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 3px;
      border-radius: 3px;
      background: var(--c-amber);
    }
    /* ===== Buttons ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      border-radius: 9999px;
      background: var(--c-orange);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      transition: all .3s ease;
      cursor: pointer;
      border: none;
    }
    .btn-primary:hover {
      background: var(--c-orange-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(232, 106, 74, 0.35);
    }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(232, 106, 74, 0.4);
      outline-offset: 2px;
    }
    .btn-outline-white {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      border-radius: 9999px;
      border: 2px solid rgba(255, 255, 255, 0.85);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      transition: all .3s ease;
      cursor: pointer;
      background: transparent;
    }
    .btn-outline-white:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.12);
      transform: translateY(-2px);
    }
    .btn-outline-white:focus-visible {
      outline: 3px solid rgba(255, 255, 255, 0.3);
      outline-offset: 2px;
    }
    .btn-green {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      border-radius: 9999px;
      background: var(--c-green-700);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      transition: all .3s ease;
      cursor: pointer;
      border: none;
    }
    .btn-green:hover {
      background: var(--c-green-900);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(11, 79, 79, 0.3);
    }
    /* ===== Hero ===== */
    .page-hero {
      position: relative;
      background:
        linear-gradient(180deg, rgba(11, 79, 79, 0.88) 0%, rgba(11, 59, 59, 0.96) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      background-color: #0B4F4F;
      color: #fff;
      padding: 140px 0 80px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 9999px;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.02em;
      color: var(--c-amber);
    }
    .hero-title {
      font-size: 3.25rem;
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.02em;
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.25rem;
      }
    }
    .hero-sub {
      font-size: 16px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.82);
      max-width: 620px;
    }
    .hero-stat-item {
      border-left: 2px solid rgba(240, 176, 83, 0.6);
      padding-left: 16px;
    }
    .hero-stat-value {
      font-size: 28px;
      font-weight: 900;
      color: var(--c-amber);
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .hero-stat-label {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.75);
      margin-top: 2px;
    }
    /* ===== Stats ===== */
    .stats-section {
      background: var(--c-cream);
      padding: 60px 0;
    }
    .stat-card {
      background: #fff;
      border-radius: 20px;
      padding: 32px 28px;
      border: 1px solid var(--c-line);
      transition: box-shadow .3s, transform .3s;
    }
    .stat-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .stat-number {
      font-size: 40px;
      font-weight: 900;
      color: var(--c-green-900);
      letter-spacing: -0.02em;
      line-height: 1.1;
    }
    .stat-number span {
      font-size: 18px;
      font-weight: 600;
      color: var(--c-gray);
      margin-left: 4px;
    }
    /* ===== Section Head ===== */
    .section-pill {
      display: inline-flex;
      align-items: center;
      background: rgba(31, 138, 128, 0.1);
      color: var(--c-green-700);
      font-size: 12px;
      font-weight: 700;
      border-radius: 9999px;
      padding: 5px 14px;
      letter-spacing: 0.04em;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.25;
      color: var(--c-ink);
    }
    .section-sub {
      font-size: 15px;
      color: var(--c-gray);
      line-height: 1.8;
      max-width: 640px;
    }
    /* ===== News Cards ===== */
    .news-section {
      padding: 80px 0;
    }
    .news-card {
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid var(--c-line);
      transition: box-shadow .3s ease, transform .3s ease;
      height: 100%;
    }
    .news-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .news-card .cover-wrap {
      overflow: hidden;
      height: 200px;
    }
    .news-card .cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }
    .news-card:hover .cover-wrap img {
      transform: scale(1.05);
    }
    .news-cat {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--c-amber);
      color: var(--c-ink);
      font-size: 12px;
      font-weight: 700;
      border-radius: 9999px;
      padding: 4px 12px;
      letter-spacing: 0.02em;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.5;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }
    .news-summary {
      font-size: 14px;
      color: var(--c-gray);
      line-height: 1.8;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }
    /* ===== Domain Cards ===== */
    .domain-section {
      background: #fff;
      padding: 80px 0;
      border-top: 1px solid var(--c-line);
      border-bottom: 1px solid var(--c-line);
    }
    .domain-card {
      background: var(--c-cream);
      border-radius: 24px;
      padding: 40px 36px;
      border: 1px solid var(--c-line);
      transition: box-shadow .3s, transform .3s;
      height: 100%;
    }
    .domain-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .domain-icon {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(31, 138, 128, 0.12);
      color: var(--c-green-700);
      margin-bottom: 24px;
    }
    .domain-card.amber .domain-icon {
      background: rgba(240, 176, 83, 0.18);
      color: #9A6A1A;
    }
    .domain-title {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .domain-desc {
      font-size: 14px;
      color: var(--c-gray);
      line-height: 1.85;
    }
    .domain-tag {
      display: inline-flex;
      align-items: center;
      background: rgba(11, 79, 79, 0.08);
      color: var(--c-green-700);
      font-size: 12px;
      font-weight: 600;
      border-radius: 9999px;
      padding: 4px 12px;
      margin-top: 20px;
      margin-right: 8px;
    }
    /* ===== CTA ===== */
    .cta-section {
      background: var(--c-deep);
      color: #fff;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -120px;
      right: -80px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(240, 176, 83, 0.08);
    }
    .cta-benefit {
      display: inline-flex;
      align-items: center;
      background: rgba(240, 176, 83, 0.9);
      color: #1E2A2A;
      font-size: 13px;
      font-weight: 600;
      border-radius: 9999px;
      padding: 6px 16px;
    }
    .cta-form input {
      width: 100%;
      height: 48px;
      border-radius: 9999px;
      border: none;
      padding: 0 20px;
      font-size: 14px;
      color: var(--c-ink);
      outline: none;
      transition: box-shadow .3s;
    }
    .cta-form input::placeholder {
      color: #9AA6A6;
    }
    .cta-form input:focus {
      box-shadow: 0 0 0 3px rgba(240, 176, 83, 0.35);
    }
    .cta-form .btn-primary {
      height: 48px;
      width: 100%;
      padding: 0 24px;
      font-size: 15px;
    }
    /* ===== FAQ ===== */
    .faq-section {
      background: var(--c-cream);
      padding: 80px 0;
    }
    .faq-item {
      background: #fff;
      border-radius: 16px;
      border: 1px solid var(--c-line);
      margin-bottom: 16px;
      overflow: hidden;
      transition: box-shadow .3s, border-color .3s;
    }
    .faq-item.open {
      border-color: rgba(31, 138, 128, 0.4);
      box-shadow: 0 8px 30px rgba(11, 79, 79, 0.08);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      background: transparent;
      border: none;
      cursor: pointer;
      text-align: left;
      font-size: 15px;
      font-weight: 600;
      color: var(--c-ink);
      transition: background .3s;
    }
    .faq-question:hover {
      background: rgba(250, 246, 240, 0.6);
    }
    .faq-icon {
      width: 22px;
      height: 22px;
      flex-shrink: 0;
      transition: transform .3s ease;
      color: var(--c-green-700);
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease, padding .35s ease;
      background: #FAFAF7;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
    }
    .faq-answer p {
      font-size: 14px;
      line-height: 1.8;
      color: var(--c-gray);
    }
    .faq-answer ul {
      margin-top: 8px;
      padding-left: 0;
      list-style: none;
    }
    .faq-answer ul li {
      position: relative;
      padding-left: 14px;
      font-size: 14px;
      line-height: 1.8;
      color: var(--c-gray);
      margin-bottom: 4px;
    }
    .faq-answer ul li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.8em;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--c-green-700);
    }
    /* ===== Mobile Tabbar ===== */
    .mobile-tabbar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      height: 64px;
      background: #fff;
      border-top: 1px solid var(--c-line);
      display: flex;
      justify-content: space-around;
      align-items: center;
      padding-bottom: env(safe-area-inset-bottom);
    }
    @media (min-width: 1024px) {
      .mobile-tabbar {
        display: none;
      }
    }
    .tab-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: 12px;
      color: #9AA6A6;
      transition: color .2s;
      padding: 4px 8px;
      border-radius: 12px;
    }
    .tab-item.active {
      color: var(--c-green-700);
      font-weight: 600;
    }
    /* ===== Footer ===== */
    .footer {
      background: var(--c-deep);
      color: #C9D4D4;
    }
    .footer h4 {
      font-weight: 700;
      font-size: 17px;
    }
    .footer a {
      color: rgba(255, 255, 255, 0.6);
      transition: color .3s;
    }
    .footer a:hover {
      color: var(--c-amber);
    }
    .footer .logo-badge {
      width: 38px;
      height: 38px;
      font-size: 16px;
    }
    /* ===== Utility ===== */
    .line-clamp-1 {
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
    }
    .line-clamp-2 {
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }

/* roulang page: category2 */
:root {
  --c-green-900: #0B4F4F;
  --c-green-700: #116B68;
  --c-green-500: #1F8A80;
  --c-deep: #0B3B3B;
  --c-orange: #E86A4A;
  --c-orange-hover: #D4583E;
  --c-amber: #F0B053;
  --c-cream: #FAF6F0;
  --c-white: #FFFFFF;
  --c-ink: #1E2A2A;
  --c-gray: #5F7373;
  --c-line: #DDD6C9;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--c-cream);
  color: var(--c-ink);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
.container-site { max-width: 1280px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
@media (min-width: 768px) {
  .container-site { padding-left: 40px; padding-right: 40px; }
}
/* 导航 */
#siteHeader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 79, 79, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all .3s ease;
}
#siteHeader.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 4px 24px rgba(11, 79, 79, 0.12);
  border-bottom-color: rgba(11, 79, 79, 0.06);
}
.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--c-orange);
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  border-radius: 10px;
  letter-spacing: 0;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  padding: 6px 2px;
  position: relative;
  transition: color .2s;
  white-space: nowrap;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; font-weight: 700; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--c-amber);
  border-radius: 2px;
}
#siteHeader.scrolled .nav-link { color: var(--c-ink); }
#siteHeader.scrolled .nav-link:hover, #siteHeader.scrolled .nav-link.active { color: var(--c-green-700); }
#siteHeader.scrolled .nav-link.active::after { background: var(--c-orange); }
/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--c-orange);
  color: #fff;
  font-weight: 700;
  border-radius: 9999px;
  padding: 12px 28px;
  transition: all .2s ease;
  border: 2px solid transparent;
  font-size: 15px;
}
.btn-primary:hover {
  background: var(--c-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 106, 74, 0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  border-radius: 9999px;
  padding: 12px 28px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  transition: all .2s ease;
  font-size: 15px;
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }
/* 板块 */
.section { padding-top: 4rem; padding-bottom: 4rem; }
@media (min-width: 1024px) {
  .section { padding-top: 6rem; padding-bottom: 6rem; }
}
/* 卡片 */
.card-hover { transition: all .3s ease; box-shadow: 0 8px 30px rgba(11, 79, 79, 0.08); }
.card-hover:hover { box-shadow: 0 16px 40px rgba(11, 79, 79, 0.15); transform: translateY(-4px); }
/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 8px;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
/* FAQ */
.faq-item {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(11, 79, 79, 0.06);
  transition: box-shadow .3s;
}
.faq-item.open { box-shadow: 0 6px 24px rgba(11, 79, 79, 0.1); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  gap: 16px;
  user-select: none;
}
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease, background .3s ease;
  flex-shrink: 0;
}
.faq-icon svg { color: var(--c-green-700); transition: color .3s; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--c-green-700); }
.faq-item.open .faq-icon svg { color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-gray);
  padding: 0 24px;
}
.faq-item.open .faq-a { max-height: 500px; padding: 0 24px 24px; }
/* 表单 */
.form-input {
  width: 100%;
  background: #fff;
  border: 1.5px solid transparent;
  border-radius: 9999px;
  height: 48px;
  padding: 0 24px;
  font-size: 15px;
  color: var(--c-ink);
  transition: all .2s ease;
  font-family: inherit;
}
.form-input::placeholder { color: #9DB0B0; }
.form-input:focus { outline: none; border-color: var(--c-green-500); box-shadow: 0 0 0 3px rgba(31, 138, 128, 0.15); }
/* 移动端底部Tab */
.bottom-tab {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: #fff;
  border-top: 1px solid var(--c-line);
  padding-bottom: env(safe-area-inset-bottom);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 12px;
  color: #9DB0B0;
  transition: color .2s;
  flex: 1;
  height: 100%;
}
.tab-item.active { color: var(--c-green-700); font-weight: 600; }
.tab-item svg { width: 22px; height: 22px; }
/* 图片悬停 */
.img-wrap { overflow: hidden; border-radius: 16px; }
.img-wrap img { transition: transform .5s ease; }
.img-wrap:hover img { transform: scale(1.05); }
/* 活动卡文字截断 */
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 向下滚动指示 */
.scroll-indicator { animation: bounceDown 2s infinite; }
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(8px); opacity: 1; }
}
/* 倒计时数字 */
.countdown-num {
  background: rgba(240, 176, 83, 0.18);
  border-radius: 8px;
  padding: 2px 8px;
  min-width: 40px;
  text-align: center;
  font-weight: 900;
  font-size: 20px;
  color: var(--c-amber);
  letter-spacing: 0;
}
@media (min-width: 1024px) {
  .bottom-tab { display: none; }
}
/* focus可见性 */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(240, 176, 83, 0.5);
  outline-offset: 2px;
}