/* roulang page: index */
:root {
  --brand: #0e9384;
  --brand-deep: #0b6f64;
  --brand-light: #e0f1ef;
  --accent: #e0862c;
  --accent-hover: #c16f1e;
  --ink: #102a2e;
  --cream: #f6f3ee;
  --content: #22292f;
  --subtext: #66757d;
  --line: #e4ddd2;
  --card-bg: #ffffff;
  --shadow-sm: 0 1px 3px rgba(16,42,46,0.06);
  --shadow-lg: 0 8px 24px rgba(16,42,46,0.12);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-btn: 8px;
  --nav-h: 64px;
}
* { 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(--cream);
  color: var(--content);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button { cursor: pointer; font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 92px 0; }
.h2-title { font-size: clamp(24px, 3vw, 34px); font-weight: 700; line-height: 1.3; color: var(--content); letter-spacing: .02em; }
.h2-title::before { content: ""; display: block; width: 40px; height: 4px; background: var(--brand); border-radius: 2px; margin-bottom: 16px; }
.h3-title { font-size: 18px; font-weight: 600; line-height: 1.4; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px; background: var(--accent); color: #fff;
  border-radius: 8px; font-size: 15px; font-weight: 600; border: none;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(192,111,30,.25); }
.btn-primary:focus-visible { outline: 3px solid rgba(224,134,44,.4); outline-offset: 2px; }
.btn-primary:active { transform: translateY(0); }
.btn-primary-lg { height: 52px; padding: 0 32px; font-size: 16px; border-radius: 10px; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 28px; background: transparent; color: var(--ink);
  border-radius: 8px; font-size: 15px; font-weight: 600; border: 1px solid #c8d5d8;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.btn-outline:hover { border-color: var(--brand); color: var(--brand); background: rgba(14,147,132,.05); }
.btn-outline:focus-visible { outline: 3px solid rgba(14,147,132,.3); outline-offset: 2px; }
.btn-accent-nav { height: 40px; padding: 0 20px; background: var(--accent); color: #fff; border-radius: 8px; font-size: 14px; font-weight: 600; border: none; transition: background .2s ease, box-shadow .2s ease; }
.btn-accent-nav:hover { background: var(--accent-hover); box-shadow: 0 4px 12px rgba(192,111,30,.25); }
.badge {
  display: inline-block; padding: 3px 14px; background: var(--brand-light);
  color: var(--brand-deep); font-size: 13px; border-radius: 999px; font-weight: 500;
}
.badge-accent { background: #fbe8d2; color: #b05e14; }
.card {
  background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--brand); }
.card-img-wrap { overflow: hidden; border-radius: 16px 16px 0 0; }
.card-img-wrap img { transition: transform .3s ease; }
.card:hover .card-img-wrap img { transform: scale(1.03); }
/* header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h); background: rgba(246,243,238,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(228,221,210,.7); transition: height .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { height: 56px; box-shadow: var(--shadow-sm); }
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px; background: var(--brand);
  display: flex; align-items: center; justify-content: center; color: #fff;
  font-size: 20px; font-weight: 800; letter-spacing: -.5px; flex-shrink: 0;
}
.logo-text { font-size: 18px; font-weight: 700; color: var(--content); white-space: nowrap; }
.logo-text .logo-sub { font-size: 12px; font-weight: 500; color: var(--subtext); display: block; line-height: 1.2; margin-top: 1px; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  padding: 8px 16px; font-size: 15px; font-weight: 500; color: #3a4247;
  border-radius: 8px; position: relative; transition: color .2s;
}
.site-nav a:hover { color: var(--brand); background: rgba(14,147,132,.06); }
.site-nav a.active { color: var(--brand); font-weight: 600; }
.site-nav a.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--brand);
}
.nav-right { display: flex; align-items: center; gap: 12px; }
.search-wrap { position: relative; transition: width .3s ease; }
.search-input {
  width: 120px; height: 38px; padding: 0 12px 0 36px; border: 1px solid #d8ddd8;
  border-radius: 8px; background: #fff; font-size: 14px; color: var(--content);
  transition: width .3s ease, border-color .2s, box-shadow .2s; outline: none;
}
.search-input:focus { width: 200px; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(14,147,132,.15); }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #9aa3a6; font-size: 13px; pointer-events: none; }
.mobile-menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--content); font-size: 16px; align-items: center; justify-content: center; }
.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 10px 24px rgba(16,42,46,.08);
  padding: 12px 16px 16px;
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 12px 16px; font-size: 15px; font-weight: 500; color: var(--content); border-radius: 8px; }
.mobile-menu a:hover { background: var(--brand-light); color: var(--brand); }
.mobile-menu a.active { background: var(--brand-light); color: var(--brand); font-weight: 600; }
/* hero */
.hero {
  background: var(--cream); padding: calc(var(--nav-h) + 64px) 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: 40px; right: -10%; width: 520px; height: 520px;
  background: var(--brand); opacity: .08; border-radius: 50%;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-copy { padding-top: 24px; }
.hero-copy h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 800; line-height: 1.15; letter-spacing: .01em; color: var(--ink); margin-bottom: 20px; }
.hero-copy h1 .hl { color: var(--brand); }
.hero-sub { font-size: 17px; color: var(--subtext); line-height: 1.75; max-width: 460px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-bg {
  position: relative; height: 420px; border-radius: 24px; overflow: hidden;
  background: linear-gradient(135deg, #102a2e 0%, #163a3f 50%, #1c4a4f 100%);
  box-shadow: 0 16px 40px rgba(16,42,46,.18);
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(140deg, rgba(14,147,132,.15) 0%, transparent 60%); }
.hero-badge {
  position: absolute; top: 20px; left: 20px; z-index: 2;
  background: rgba(255,255,255,.15); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
}
.hero-badge i { color: #ffcf6b; margin-right: 6px; }
.hero-point {
  position: absolute; bottom: 28px; left: 28px; z-index: 2;
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
  border-radius: 16px; padding: 12px 18px 12px 12px; box-shadow: 0 8px 24px rgba(16,42,46,.15);
}
.hero-point img { width: 64px; height: 64px; border-radius: 10px; object-fit: cover; }
.hero-point .p-score { font-size: 18px; font-weight: 700; color: var(--accent); line-height: 1.2; }
.hero-point .p-label { font-size: 12px; color: var(--subtext); line-height: 1.4; }
/* hot grid */
.hot-section { background: var(--cream); }
.hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.hot-card { overflow: hidden; }
.hot-card .card-body { padding: 20px 20px 18px; }
.hot-card .card-title { font-size: 16px; font-weight: 600; line-height: 1.45; margin: 10px 0 6px; color: var(--content); }
.hot-card .card-desc { font-size: 13px; color: var(--subtext); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-card .card-link { font-size: 14px; font-weight: 600; color: var(--brand); opacity: .85; transition: opacity .2s; }
.hot-card .card-link:hover { opacity: 1; }
.hot-card .card-link i { font-size: 12px; margin-left: 4px; }
/* reviews */
.reviews-section { background: #fff; }
.reviews-track { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 16px 4px 24px; margin-top: 36px; }
.reviews-track::-webkit-scrollbar { height: 6px; }
.reviews-track::-webkit-scrollbar-thumb { background: #d4d9d6; border-radius: 3px; }
.review-card { flex: 0 0 360px; scroll-snap-align: start; }
.review-card .stars { color: var(--accent); font-size: 14px; letter-spacing: 2px; margin-bottom: 12px; }
.review-card .review-text { font-size: 14px; line-height: 1.7; color: #3d464c; margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.reviewer { display: flex; align-items: center; gap: 12px; }
.reviewer .avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--brand-light); color: var(--brand-deep); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.reviewer .rev-name { font-size: 14px; font-weight: 500; color: var(--content); }
.reviewer .rev-time { font-size: 12px; color: var(--subtext); }
/* guarantees */
.guarantee-section { background: var(--brand-light); }
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.guarantee-item { display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,.75); padding: 22px 20px; border-radius: 14px; border: 1px solid rgba(228,221,210,.5); }
.guarantee-icon { width: 48px; height: 48px; border-radius: 50%; border: 1.5px solid var(--brand); color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.guarantee-text { font-size: 14px; font-weight: 500; color: var(--content); }
/* cta band */
.cta-section { background: var(--ink); }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 64px 56px; border-radius: 24px; background: linear-gradient(120deg, #0b1c20 0%, #102a2e 60%, #1a3a40 100%); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; background: var(--brand); opacity: .1; border-radius: 50%; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); font-weight: 700; margin-bottom: 8px; }
.cta-band p { color: #a8b8bb; font-size: 16px; line-height: 1.6; }
.cta-band .btn-primary { position: relative; z-index: 2; }
/* news */
.news-section { background: var(--cream); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.news-card .card-body { padding: 20px 20px 22px; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--subtext); margin-bottom: 10px; }
.news-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #c3c9c7; }
.news-card .news-title { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
.news-card .news-summary { font-size: 13px; color: var(--subtext); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty {
  grid-column: 1 / -1; min-height: 240px; border: 2px dashed #d4ddd9; border-radius: 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--subtext); font-size: 15px; background: rgba(255,255,255,.6);
}
.news-empty i { font-size: 32px; color: #b9c6c3; }
/* faq */
.faq-section { background: #fff; }
.faq-wrap { max-width: 800px; margin: 40px auto 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-item button {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 22px 8px; background: none; border: none; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--content); transition: color .2s;
}
.faq-item button:hover { color: var(--brand); }
.faq-item .faq-icon { font-size: 20px; color: var(--brand); font-weight: 400; line-height: 1; transition: transform .3s; }
.faq-item .faq-answer { padding: 0 8px 22px; color: var(--subtext); font-size: 15px; line-height: 1.75; }
.faq-item .faq-answer.hidden { display: none; }
/* footer */
.site-footer { background: var(--ink); color: #a8b8bb; padding-top: 72px; }
.site-footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .logo-mark { background: var(--brand); }
.footer-logo .fl-text { font-size: 18px; font-weight: 700; color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 16px; }
.footer-beian { font-size: 12px; color: #6a8286; }
.footer-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: #a8b8bb; transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 12px; }
.footer-contact i { color: var(--brand); width: 16px; text-align: center; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 8px; border: 1px solid #2a4247;
  color: #a8b8bb; display: flex; align-items: center; justify-content: center; font-size: 14px;
  transition: background .2s, color .2s, border-color .2s;
}
.footer-social a:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.footer-bottom { border-top: 1px solid #22393e; padding: 20px 0; text-align: center; font-size: 13px; color: #819396; }
.footer-bottom a { color: #a8b8bb; }
.footer-bottom a:hover { color: #fff; }
/* responsive */
@media (max-width: 1023px) {
  .section-pad { padding: 64px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-bg { height: 340px; }
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { display: none; }
  .nav-right .search-wrap { display: none; }
  .nav-right .btn-accent-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .cta-band { flex-direction: column; text-align: center; padding: 48px 28px; }
  .site-footer .container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .container { padding: 0 16px; }
  .hero { padding-top: calc(var(--nav-h) + 32px); }
  .hero-copy h1 { font-size: 30px; }
  .hero-bg { height: 260px; }
  .hot-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .review-card { flex-basis: 85%; }
  .cta-band { padding: 40px 20px; }
  .site-footer .container { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 520px) {
  .logo-text { font-size: 16px; }
  .logo-text .logo-sub { font-size: 11px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
}

/* roulang page: article */
:root {
            --brand: #0e9384;
            --brand-dark: #0b6f64;
            --brand-light: #e0f1ef;
            --amber: #e0862c;
            --amber-dark: #c16f1e;
            --ink: #102a2e;
            --cream: #f6f3ee;
            --body: #22292f;
            --sub: #66757d;
            --mute: #a0a8ab;
            --line: #e4ddd2;
            --card: #ffffff;
            --shadow-soft: 0 1px 3px rgba(16,42,46,0.06);
            --shadow-hover: 0 8px 24px rgba(16,42,46,0.12);
            --radius-card: 16px;
            --radius-small: 10px;
            --radius-btn: 8px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--cream);
            color: var(--body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 88px 0;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin: 0 0 16px;
            position: relative;
            padding-top: 16px;
        }

        .section-title::before {
            content: "";
            display: block;
            width: 40px;
            height: 4px;
            background: var(--brand);
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-amber {
            background: var(--amber);
            color: #fff;
            border-color: var(--amber);
            box-shadow: 0 2px 8px rgba(224, 134, 44, 0.3);
        }

        .btn-amber:hover {
            background: var(--amber-dark);
            border-color: var(--amber-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(224, 134, 44, 0.35);
        }

        .btn-amber:focus-visible {
            outline: 3px solid rgba(224, 134, 44, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        .btn-outline-dark {
            background: transparent;
            border: 2px solid var(--brand);
            color: var(--brand);
        }

        .btn-outline-dark:hover {
            background: var(--brand);
            color: #fff;
        }

        .btn-outline-muted {
            background: transparent;
            border: 2px solid var(--line);
            color: var(--body);
        }

        .btn-outline-muted:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .btn:active {
            transform: scale(0.97);
        }

        /* 导航 */
        .site-header {
            background: rgba(16, 42, 46, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 64px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: height 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            height: 56px;
            background: rgba(16, 42, 46, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .site-nav a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0;
        }

        .site-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 999px;
            transition: width 0.3s ease;
        }

        .site-nav a:hover::after,
        .site-nav a.active::after {
            width: 100%;
        }

        .site-nav a:hover,
        .site-nav a.active {
            color: #fff;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .search-box {
            position: relative;
        }

        .search-box input {
            width: 160px;
            height: 38px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 36px 0 16px;
            font-size: 14px;
            transition: all 0.4s ease;
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .search-box input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(14, 147, 132, 0.25);
            background: rgba(255, 255, 255, 0.15);
            width: 220px;
        }

        .search-box .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            pointer-events: none;
        }

        .header-cta {
            height: 38px;
            font-size: 14px;
            padding: 0 18px;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #102a2e;
            padding: 16px 24px 20px;
            z-index: 999;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 4px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active,
        .mobile-menu a:hover {
            color: var(--amber);
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--sub);
        }

        .breadcrumb a {
            color: var(--sub);
        }

        .breadcrumb a:hover {
            color: var(--brand);
        }

        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--mute);
        }

        .breadcrumb .current {
            color: var(--mute);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 340px;
            display: inline-block;
            vertical-align: bottom;
        }

        /* 文章标题区 */
        .article-header {
            padding: 40px 0 24px;
        }

        .article-title {
            font-size: clamp(26px, 3.4vw, 40px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin: 0 0 20px;
            color: var(--body);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--sub);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .article-cats {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: var(--brand-light);
            color: var(--brand-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
            transition: background 0.3s, color 0.3s;
        }

        .badge-tag:hover {
            background: var(--brand);
            color: #fff;
        }

        /* 正文 */
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            padding: 32px 0 48px;
        }

        .article-body-inner {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-soft);
            padding: 48px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--body);
        }

        .article-content p {
            margin: 0 0 1.4em;
            text-align: left;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 1.8em 0 0.8em;
            line-height: 1.35;
            color: var(--body);
            padding-bottom: 8px;
            border-bottom: 1px solid var(--line);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            margin: 1.6em 0 0.7em;
            line-height: 1.45;
            color: var(--body);
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 1px solid var(--line);
            margin: 1.5em 0;
            box-shadow: var(--shadow-soft);
        }

        .article-content blockquote {
            margin: 1.6em 0;
            padding: 16px 24px;
            border-left: 4px solid var(--brand);
            background: var(--brand-light);
            border-radius: 0 10px 10px 0;
            color: var(--body);
            font-size: 15px;
            line-height: 1.75;
        }

        .article-content ul,
        .article-content ol {
            margin: 1em 0 1.4em;
            padding-left: 1.5em;
        }

        .article-content li {
            margin-bottom: 0.5em;
            text-align: left;
        }

        .article-content a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--brand-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 10px 16px;
            text-align: left;
            font-size: 15px;
        }

        .article-content th {
            background: var(--brand-light);
            font-weight: 600;
        }

        /* 文章底部 */
        .article-footer {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .tag-label {
            font-size: 13px;
            color: var(--sub);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tag-label i {
            color: var(--brand);
        }

        .post-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .post-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--body);
            background: var(--cream);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            transition: all 0.3s;
        }

        .post-nav-link:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--card);
            box-shadow: var(--shadow-soft);
        }

        /* 相关推荐 */
        .related-section {
            background: var(--cream);
            border-top: 1px solid var(--line);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .related-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-soft);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--brand);
        }

        .related-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .related-info {
            padding: 20px;
        }

        .related-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--body);
        }

        .related-time {
            font-size: 13px;
            color: var(--sub);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-time i {
            color: var(--brand);
            font-size: 12px;
        }

        /* 空状态 */
        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 240px;
            border: 2px dashed var(--line);
            border-radius: var(--radius-card);
            color: var(--mute);
            text-align: center;
            padding: 40px 24px;
            background: transparent;
        }

        .empty-state .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--brand);
            margin-bottom: 16px;
        }

        /* 深色CTA */
        .cta-band {
            background: var(--ink);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(14, 147, 132, 0.18);
            filter: blur(60px);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .cta-title {
            color: #fff;
            font-size: clamp(22px, 2.5vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 8px;
        }

        .cta-desc {
            color: #a8b8bb;
            font-size: 16px;
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 32px auto 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--body);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color 0.3s;
        }

        .faq-question:hover {
            color: var(--brand);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 400;
            transition: all 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 4px 20px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--sub);
        }

        .faq-item.active .faq-icon {
            background: var(--brand);
            color: #fff;
            transform: rotate(45deg);
        }

        /* 页脚 */
        .site-footer {
            background: var(--ink);
            color: #a8b8bb;
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
        }

        .fl-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #819396;
            margin: 0 0 16px;
            max-width: 320px;
        }

        .footer-beian {
            font-size: 13px;
            color: #66757d;
            margin: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--brand);
            border-radius: 999px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: #819396;
            transition: all 0.3s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: #819396;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--brand);
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a8b8bb;
            font-size: 16px;
            transition: all 0.3s;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-social a:hover {
            background: var(--brand);
            color: #fff;
            border-color: var(--brand);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 13px;
            color: #819396;
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: #a8b8bb;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* 404 无文章 */
        .not-found-wrap {
            max-width: 720px;
            margin: 60px auto;
            text-align: center;
            padding: 60px 40px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-soft);
        }

        .not-found-icon {
            font-size: 48px;
            color: var(--brand);
            margin-bottom: 20px;
        }

        .not-found-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--body);
            margin: 0 0 12px;
        }

        .not-found-text {
            font-size: 15px;
            color: var(--sub);
            margin: 0 0 28px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .site-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-right .search-box {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-body-inner {
                padding: 28px 20px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .header-cta {
                height: 34px;
                font-size: 13px;
                padding: 0 14px;
            }
            .article-meta {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            .post-nav {
                flex-direction: column;
            }
            .post-nav-link {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

.no-article {
            min-height: 400px;
        }
        .faq-answer.no-active {
            max-height: none;
        }

/* roulang page: category1 */
:root {
    --primary: #0e9384;
    --primary-dark: #0b6f64;
    --primary-light: #e0f1ef;
    --accent: #e0862c;
    --accent-dark: #c16f1e;
    --bg: #f6f3ee;
    --card-bg: #ffffff;
    --text: #22292f;
    --text-muted: #66757d;
    --text-disabled: #a0a8ab;
    --border: #e4ddd2;
    --deep: #102a2e;
    --shadow-sm: 0 1px 3px rgba(16,42,46,0.06);
    --shadow-lg: 0 8px 24px rgba(16,42,46,0.12);
    --radius-lg: 16px;
    --radius-sm: 10px;
    --radius-btn: 8px;
  }

  * { 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(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; transition: color .25s ease; }
  img { max-width: 100%; display: block; }
  button, input, textarea, select { font-family: inherit; }
  .container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
  @media (max-width: 640px) { .container { padding-left: 16px; padding-right: 16px; } }

  /* header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(16,42,46,.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,.06);
    transition: all .3s ease;
  }
  .site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    transition: height .3s ease;
  }
  .site-header.scrolled .header-inner { height: 56px; }
  .header-left { display: flex; align-items: center; gap: 32px; }
  .logo { display: flex; align-items: center; gap: 10px; }
  .logo-mark {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800;
    flex-shrink: 0;
  }
  .logo-text { font-size: 18px; font-weight: 700; color: #fff; letter-spacing: .02em; white-space: nowrap; }

  .site-nav { display: flex; gap: 28px; }
  .site-nav a {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,.75);
    position: relative;
    padding: 6px 0;
    white-space: nowrap;
  }
  .site-nav a:hover { color: #fff; }
  .site-nav a.active { color: #fff; }
  .site-nav a.active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--primary);
  }
  .header-right { display: flex; align-items: center; gap: 16px; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 22px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all .25s ease;
    white-space: nowrap;
  }
  .btn-accent { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
  .btn-accent:hover { background: var(--accent-dark); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
  .btn-accent:active { transform: translateY(0); }
  .btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
  .btn-lg { height: 52px; padding: 0 32px; font-size: 16px; border-radius: 10px; }
  .btn-ghost {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,.75);
    color: rgba(255,255,255,.9);
  }
  .btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
  .btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
  }
  .btn-outline:hover { background: var(--primary-light); }

  .nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
  .nav-toggle span {
    display: block; width: 22px; height: 2px;
    background: #fff; margin: 5px 0;
    transition: .3s;
    border-radius: 2px;
  }

  @media (max-width: 1023px) {
    .site-nav {
      display: none;
      position: absolute;
      top: 64px; left: 0; right: 0;
      background: var(--deep);
      flex-direction: column;
      padding: 16px 24px 24px;
      gap: 4px;
      border-bottom: 1px solid rgba(255,255,255,.06);
      box-shadow: var(--shadow-lg);
    }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
    .site-nav a.active::after { display: none; }
    .site-nav a.active { color: var(--primary); padding-left: 8px; border-left: 3px solid var(--primary); border-bottom: 1px solid rgba(255,255,255,.05); }
    .header-right .btn-sm { display: none; }
    .nav-toggle { display: block; }
  }
  @media (max-width: 640px) {
    .site-header .header-inner { height: 56px; }
    .logo-text { font-size: 16px; }
  }

  /* breadcrumb */
  .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.6); flex-wrap: wrap; }
  .breadcrumb a { color: rgba(255,255,255,.7); transition: color .2s; }
  .breadcrumb a:hover { color: #fff; }
  .breadcrumb .sep { color: rgba(255,255,255,.4); }
  .breadcrumb .current { color: rgba(255,255,255,.9); }

  /* page hero */
  .page-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--deep);
    padding: 88px 0 72px;
    color: #fff;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(16,42,46,.88) 0%, rgba(16,42,46,.7) 55%, rgba(16,42,46,.5) 100%);
  }
  .page-hero .container { position: relative; z-index: 2; }
  .page-hero h1 {
    font-size: clamp(28px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: .02em;
    margin: 20px 0 16px;
    max-width: 640px;
  }
  .page-hero .hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,.82);
    line-height: 1.75;
    max-width: 600px;
    margin-bottom: 32px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  .hero-actions .btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,.65);
    color: #fff;
  }
  .hero-actions .btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.1); }

  @media (max-width: 640px) {
    .page-hero { padding: 64px 0 48px; }
    .page-hero h1 { font-size: 28px; }
  }

  /* section base */
  .section { padding: 88px 0; }
  .section-sm { padding: 56px 0; }
  .section-title-wrap { margin-bottom: 44px; }
  .section-title {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: .01em;
    margin-bottom: 12px;
  }
  .section-title::before {
    content: '';
    display: block;
    width: 40px; height: 4px;
    border-radius: 4px;
    background: var(--primary);
    margin-bottom: 16px;
  }
  .section-sub { font-size: 15px; color: var(--text-muted); max-width: 720px; }
  @media (max-width: 640px) {
    .section { padding: 56px 0; }
    .section-sm { padding: 40px 0; }
  }

  /* highlight cards 2x2 */
  .grid-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .info-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position: relative;
  }
  .info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
  }
  .info-card .card-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    font-size: 22px;
  }
  .info-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
  .info-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
  .info-card .text-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap .25s ease;
  }
  .info-card .text-link:hover { gap: 8px; color: var(--primary-dark); }

  @media (max-width: 767px) {
    .grid-cards { grid-template-columns: 1fr; }
  }

  /* alternate rows */
  .alt-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 72px;
  }
  .alt-row:last-child { margin-bottom: 0; }
  .alt-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
  }
  .alt-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; transition: transform .5s ease; }
  .alt-media:hover img { transform: scale(1.03); }
  .alt-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 14px;
    line-height: 1.4;
    position: relative;
    padding-left: 18px;
  }
  .alt-content h3::before {
    content: '';
    position: absolute;
    left: 0; top: 8px; bottom: 8px;
    width: 4px;
    background: var(--primary);
    border-radius: 4px;
  }
  .alt-content p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
  .alt-content ul { list-style: none; margin-bottom: 24px; }
  .alt-content ul li {
    position: relative;
    padding-left: 26px;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.7;
  }
  .alt-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
  }
  @media (max-width: 768px) {
    .alt-row { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
    .alt-row.alt-reverse .alt-media { order: -1; }
  }

  /* news content cards */
  .news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .news-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    display: flex;
    flex-direction: column;
  }
  .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
  .news-card .nc-media { aspect-ratio: 16/10; overflow: hidden; }
  .news-card .nc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
  .news-card:hover .nc-media img { transform: scale(1.05); }
  .news-card .nc-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
  .news-card .nc-tag {
    align-self: flex-start;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
  }
  .news-card h3 { font-size: 16px; font-weight: 600; line-height: 1.45; margin-bottom: 8px; color: var(--text); }
  .news-card p { font-size: 13px; color: var(--text-muted); line-height: 1.65; flex: 1; }
  .news-card .nc-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    transition: gap .25s ease;
  }
  .news-card .nc-link:hover { gap: 8px; color: var(--primary-dark); }
  @media (max-width: 1023px) and (min-width: 641px) {
    .news-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .news-grid { grid-template-columns: 1fr; }
  }

  /* FAQ */
  .faq-wrap { max-width: 800px; margin: 0 auto; }
  .faq-item { border-bottom: 1px solid var(--border); padding: 0; }
  .faq-item:first-child { border-top: 1px solid var(--border); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 24px 40px 24px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    position: relative;
    transition: color .25s ease;
    user-select: none;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--primary); }
  .faq-item summary::after {
    content: '+';
    position: absolute;
    right: 8px; top: 50%;
    transform: translateY(-50%);
    font-size: 26px;
    font-weight: 400;
    color: var(--primary);
    transition: transform .3s ease;
    line-height: 1;
  }
  .faq-item[open] summary::after { content: '×'; transform: translateY(-50%) rotate(0deg); }
  .faq-item .faq-answer {
    padding: 0 0 24px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 720px;
  }
  .faq-item .faq-answer p { margin-bottom: 8px; }
  .faq-item .faq-answer p:last-child { margin-bottom: 0; }

  /* CTA band */
  .cta-band.deep { background: var(--deep); color: #fff; }
  .cta-band .section-title { color: #fff; }
  .cta-band .section-title::before { background: var(--accent); }
  .cta-band .section-sub { color: #a8b8bb; }
  .cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }
  .cta-band .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
  @media (max-width: 640px) {
    .cta-band-inner { flex-direction: column; align-items: flex-start; }
  }

  /* footer */
  .site-footer { background: var(--deep); color: #fff; }
  .site-footer .container:first-of-type {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 48px;
  }
  .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
  .footer-logo .logo-mark {
    background: var(--primary);
    color: #fff;
    width: 36px; height: 36px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 800;
  }
  .fl-text { font-size: 18px; font-weight: 700; }
  .footer-desc { font-size: 14px; color: #819396; line-height: 1.7; margin-bottom: 16px; max-width: 320px; }
  .footer-beian { font-size: 12px; color: #6b7d80; }
  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: .02em;
  }
  .footer-links, .footer-contact { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .footer-links li a { font-size: 14px; color: #819396; transition: color .2s; }
  .footer-links li a:hover { color: #fff; }
  .footer-contact li { font-size: 14px; color: #819396; display: flex; align-items: flex-start; gap: 8px; line-height: 1.55; }
  .footer-contact i { color: var(--primary); margin-top: 3px; width: 16px; text-align: center; }
  .footer-social { display: flex; gap: 10px; }
  .footer-social a {
    width: 38px; height: 38px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.12);
    display: flex; align-items: center; justify-content: center;
    color: #819396;
    font-size: 16px;
    transition: all .25s ease;
  }
  .footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; }
  .footer-bottom p { font-size: 13px; color: #819396; text-align: center; }
  @media (max-width: 1023px) {
    .site-footer .container:first-of-type { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .site-footer .container:first-of-type { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  }

  /* misc */
  .badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 999px;
  }
  .badge-accent { background: rgba(224,134,44,.14); color: var(--accent); }
  .text-link-arrow { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap .25s ease; }
  .text-link-arrow:hover { gap: 8px; color: var(--primary-dark); }

/* roulang page: category2 */
:root {
            --primary: #0e9384;
            --primary-dark: #0b6f64;
            --primary-light: #e0f1ef;
            --amber: #e0862c;
            --amber-dark: #c16f1e;
            --ink: #22292f;
            --sub: #66757d;
            --muted: #a0a8ab;
            --cream: #f6f3ee;
            --deep: #102a2e;
            --line: #e4ddd2;
            --radius-lg: 16px;
            --radius-sm: 10px;
            --radius-btn: 8px;
            --shadow-sm: 0 1px 3px rgba(16, 42, 46, 0.06);
            --shadow-lg: 0 8px 24px rgba(16, 42, 46, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--cream);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(246, 243, 238, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(16, 42, 46, 0.08);
            background: rgba(246, 243, 238, 0.98);
        }

        .header-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            transition: height .3s ease;
        }

        .site-header.scrolled .header-inner {
            height: 56px;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0e9384, #0b6f64);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 800;
            position: relative;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(14, 147, 132, 0.3);
        }

        .logo-mark::after {
            content: '';
            position: absolute;
            right: -2px;
            top: -2px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--amber);
            border: 2px solid var(--cream);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .site-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--sub);
            position: relative;
            padding: 6px 2px;
            transition: color .3s ease;
            white-space: nowrap;
        }

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

        .site-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

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

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
        }

        .search-box input {
            width: 180px;
            height: 38px;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: #fff;
            padding: 0 38px 0 14px;
            font-size: 14px;
            color: var(--ink);
            transition: all .3s ease;
            outline: none;
        }

        .search-box input:focus {
            width: 240px;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(14, 147, 132, 0.15);
        }

        .search-box input::placeholder {
            color: var(--muted);
        }

        .search-box i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 14px;
            pointer-events: none;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 6px;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: var(--deep);
            transition: all .3s ease;
        }

        .nav-toggle:hover span {
            background: var(--primary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            cursor: pointer;
            transition: all .3s ease;
            border: 1px solid transparent;
            text-decoration: none;
            line-height: 1;
        }

        .btn-amber {
            background: var(--amber);
            color: #fff;
        }

        .btn-amber:hover {
            background: var(--amber-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(224, 134, 44, 0.3);
        }

        .btn-amber:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(224, 134, 44, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 30px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(14, 147, 132, 0.35);
            outline-offset: 2px;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 88px 0 80px;
            margin-bottom: 0;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(16, 42, 46, 0.93) 15%, rgba(16, 42, 46, 0.72) 60%, rgba(14, 147, 132, 0.4));
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -120px;
            bottom: -140px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(14, 147, 132, 0.35);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #a8b8bb;
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: #a8b8bb;
            text-decoration: none;
            transition: color .3s ease;
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .sep {
            color: #819396;
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .page-hero .hero-desc {
            max-width: 640px;
            color: #d9e2e4;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Section ===== */
        .section {
            padding: 88px 0;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--deep);
            line-height: 1.3;
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
        }

        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.3em;
            width: 40px;
            height: 4px;
            border-radius: 2px;
            background: var(--primary);
        }

        .section-head .lead {
            color: var(--sub);
            font-size: 15px;
            line-height: 1.7;
            max-width: 520px;
            margin-left: 20px;
        }

        /* ===== Split Section ===== */
        .split-section {
            background: #fff;
            border-bottom: 1px solid var(--line);
        }

        .split-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

        .split-item:last-child {
            margin-bottom: 0;
        }

        .split-item.flip .split-media {
            order: 2;
        }

        .split-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            background: var(--primary-light);
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .split-media:hover img {
            transform: scale(1.04);
        }

        .split-media::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.25);
            pointer-events: none;
        }

        .split-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--deep);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .split-body p {
            color: #4a5a60;
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 16px;
        }

        .split-list li {
            position: relative;
            padding-left: 22px;
            color: var(--sub);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .split-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.62em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* ===== Feature Grid ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .feature-card .card-media {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 9;
            background: var(--primary-light);
        }

        .feature-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .feature-card:hover .card-media img {
            transform: scale(1.04);
        }

        .feature-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .feature-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--deep);
            line-height: 1.4;
        }

        .feature-content p {
            color: var(--sub);
            font-size: 14px;
            line-height: 1.75;
            flex: 1;
            margin-bottom: 8px;
        }

        .text-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color .3s ease;
            align-self: flex-start;
        }

        .text-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--cream);
        }

        .faq-container {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            padding: 22px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--deep);
            cursor: pointer;
            text-align: left;
            transition: color .3s ease;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 500;
            transition: all .3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-a p {
            padding-bottom: 22px;
            color: var(--sub);
            line-height: 1.8;
            font-size: 15px;
            max-width: 92%;
        }

        /* ===== CTA Band ===== */
        .cta-band {
            background: var(--deep);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            left: -80px;
            top: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(14, 147, 132, 0.15);
        }

        .cta-band::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -100px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(224, 134, 44, 0.1);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-band h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-band p {
            color: #a8b8bb;
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep);
            color: #a8b8bb;
            padding: 64px 0 0;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0e9384, #0b6f64);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 800;
            position: relative;
        }

        .footer-logo .logo-mark::after {
            content: '';
            position: absolute;
            right: -2px;
            top: -2px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--amber);
            border: 2px solid var(--deep);
        }

        .fl-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #819396;
            max-width: 320px;
            margin-bottom: 14px;
        }

        .footer-beian {
            font-size: 13px;
            color: #66757d;
            margin-top: 4px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #819396;
            font-size: 14px;
            text-decoration: none;
            transition: color .3s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: #819396;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: #1a3a3e;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a8b8bb;
            font-size: 16px;
            text-decoration: none;
            transition: all .3s ease;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #819396;
            text-align: center;
        }

        .footer-bottom a {
            color: #819396;
            transition: color .3s ease;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .split-item {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .split-item.flip .split-media {
                order: 0;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer .container {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .site-footer .container>div:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .header-right {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-left {
                justify-content: space-between;
                width: 100%;
            }
            .site-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--cream);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                border-bottom: 1px solid var(--line);
                padding: 12px 24px 20px;
                display: none;
                box-shadow: 0 12px 24px rgba(16, 42, 46, 0.08);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav a {
                width: 100%;
                padding: 12px 4px;
                border-bottom: 1px solid rgba(228, 221, 210, 0.6);
                font-size: 16px;
            }
            .site-nav a:last-child {
                border-bottom: none;
            }
            .site-nav a.active::after {
                display: none;
            }
            .site-nav a.active {
                color: var(--primary);
                background: var(--primary-light);
                padding-left: 12px;
                border-radius: 6px;
                border-bottom: none;
            }
            .section {
                padding: 56px 0;
            }
            .page-hero {
                padding: 64px 0 56px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-band p {
                max-width: 420px;
                margin: 0 auto;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .site-footer .container>div:last-child {
                grid-column: auto;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-text {
                font-size: 16px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .page-hero h1 {
                font-size: 27px;
                letter-spacing: 0.01em;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 22px;
                padding-left: 16px;
            }
            .section-head .lead {
                font-size: 14px;
                margin-left: 16px;
            }
            .split-item {
                gap: 24px;
                margin-bottom: 48px;
            }
            .split-body h3 {
                font-size: 20px;
            }
            .split-body p {
                font-size: 15px;
            }
            .feature-content {
                padding: 20px;
            }
            .faq-a p {
                font-size: 14px;
                max-width: 100%;
            }
            .cta-band {
                padding: 48px 0;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .btn-lg {
                width: 100%;
                max-width: 320px;
            }
            .search-box input:focus {
                width: 180px;
            }
            .site-footer {
                padding-top: 48px;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
        }