/* roulang page: index */
:root {
  --primary: #0E4B5A;
  --primary-light: #1C6876;
  --accent: #C2A06E;
  --accent-strong: #A9854F;
  --bg: #F7F5F0;
  --bg-deep: #0A2B34;
  --ink: #1C2B33;
  --body: #41545C;
  --muted: #7C8A90;
  --border: #E7E0D2;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 2px 12px rgba(14, 75, 90, 0.06);
  --shadow-hover: 0 10px 30px rgba(14, 75, 90, 0.12);
  --transition: 0.25s ease;
  --font-head: "Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-body: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); font-weight: 600; }
.container { max-width: 1200px; margin: 0 auto; padding-left: clamp(20px, 4vw, 48px); padding-right: clamp(20px, 4vw, 48px); }
.section { padding-block: clamp(64px, 10vw, 120px); }
.section-header { margin-bottom: 48px; }
.section-eyebrow { display: inline-block; font-size: 0.875rem; letter-spacing: 0.15em; color: var(--accent-strong); text-transform: uppercase; margin-bottom: 8px; }
.section-title { font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin-bottom: 16px; }
.section-subtitle { color: var(--muted); max-width: 640px; }

/* Header */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-main {
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto;
  padding-left: clamp(20px, 4vw, 48px); padding-right: clamp(20px, 4vw, 48px);
}
.brand-link { display: flex; align-items: center; gap: 10px; }
.logo-text { font-family: var(--font-head); font-size: 1.35rem; font-weight: 600; color: var(--ink); letter-spacing: 0.01em; white-space: nowrap; }
.logo-mark { width: 6px; height: 6px; transform: rotate(45deg); background: var(--accent); display: inline-block; }
.hamburger {
  display: none;
  border: none; background: transparent; cursor: pointer;
  width: 44px; height: 44px; border-radius: 6px;
  align-items: center; justify-content: center;
}
.hamburger svg { width: 24px; height: 24px; stroke: var(--ink); stroke-width: 2; fill: none; }
.main-nav .menu-list { display: flex; list-style: none; gap: 36px; align-items: center; margin: 0; }
.main-nav .menu-list a.nav-link {
  font-size: 0.95rem; color: var(--body); position: relative; padding: 6px 0;
  font-weight: 500;
}
.main-nav .menu-list a.nav-link:hover { color: var(--accent); }
.main-nav .menu-list a.nav-link.active { color: var(--primary); }
.main-nav .menu-list a.nav-link.active::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 16px; height: 3px;
  background: var(--accent); border-radius: 999px;
}
.main-nav .menu-list a.nav-cta {
  background: var(--accent); color: #1C2B33; font-weight: 600;
  padding: 10px 22px; border-radius: 6px; transition: var(--transition);
}
.main-nav .menu-list a.nav-cta:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169, 133, 79, 0.35); }

/* Hero */
.hero {
  position: relative; min-height: min(88vh, 860px);
  display: flex; align-items: center;
  background-size: cover; background-position: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(rgba(10,43,52,0.72), rgba(10,43,52,0.55));
}
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-eyebrow { display: inline-block; color: var(--accent); font-size: 0.9rem; letter-spacing: 0.2em; margin-bottom: 20px; text-transform: uppercase; }
.hero-title { color: #fff; font-size: clamp(2.4rem, 4.5vw, 3.6rem); line-height: 1.25; margin-bottom: 24px; font-weight: 600; }
.hero-title .gold { color: var(--accent); }
.hero-subtitle { color: rgba(255,255,255,0.85); font-size: 1.05rem; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.hero-divider { width: 64px; height: 2px; background: var(--accent); margin-top: 40px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 6px; font-weight: 600; font-size: 0.95rem;
  cursor: pointer; transition: var(--transition); border: none; line-height: 1.2;
}
.btn:focus { outline: 2px solid rgba(194,160,110,0.4); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #1C2B33; }
.btn-primary:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169,133,79,0.35); }
.btn-outline { background: transparent; color: var(--bg); border: 1px solid rgba(255,255,255,0.7); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(194,160,110,0.08); }
.btn-dark-outline { background: transparent; color: var(--accent-strong); border: 1px solid var(--accent); }
.btn-dark-outline:hover { background: rgba(194,160,110,0.08); border-color: var(--accent-strong); color: var(--accent-strong); }

/* Pain Section */
.pain-section { background: var(--bg); }
.pain-grid { display: flex; gap: 20px; align-items: stretch; }
.pain-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; flex: 1; position: relative; box-shadow: var(--shadow); transition: var(--transition);
}
.pain-card:nth-child(2) { flex: 1.4; }
.pain-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.pain-icon { width: 44px; height: 44px; border-radius: 50%; background: rgba(194,160,110,0.12); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.pain-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 1.5; }
.pain-card h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--ink); }
.pain-card p { color: var(--body); font-size: 0.95rem; line-height: 1.7; }
.pain-arrow { position: absolute; right: 20px; bottom: 16px; color: var(--accent); font-size: 1.2rem; opacity: 0.7; }

/* Service Section */
.service-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.service-row { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.service-content { flex: 1 1 40%; }
.service-media { flex: 1 1 50%; }
.service-media img { border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.service-points { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; list-style: none; }
.service-points li { display: flex; gap: 12px; align-items: flex-start; font-size: 1rem; color: var(--body); }
.service-points li::before { content: ""; width: 7px; height: 7px; transform: rotate(45deg); background: var(--accent); flex-shrink: 0; margin-top: 7px; }

/* Stats Section */
.stats-section { background: var(--bg-deep); padding-block: clamp(48px, 8vw, 96px); }
.stats-grid { display: flex; gap: 0; }
.stat-item { flex: 1; text-align: center; padding: 20px 10px; position: relative; }
.stat-item + .stat-item::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); height: 60px; width: 1px; background: rgba(255,255,255,0.12); }
.stat-number { font-family: var(--font-head); font-size: clamp(2.2rem, 3.2vw, 3rem); font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; display: block; }
.stat-label { color: rgba(255,255,255,0.6); font-size: 0.875rem; margin-top: 6px; }

/* Ship Selection */
.ships-section { background: var(--bg); }
.ships-grid { display: flex; gap: 24px; flex-wrap: wrap; }
.ship-card {
  flex: 1 1 280px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: var(--transition);
}
.ship-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.ship-card img { width: 100%; height: 200px; object-fit: cover; }
.ship-card-body { padding: 24px 22px; }
.ship-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--ink); }
.ship-card-body p { font-size: 0.9rem; color: var(--body); margin-bottom: 16px; }
.ship-spec { font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; }

/* News Section */
.news-section { background: #fff; border-top: 1px solid var(--border); }
.news-header-row { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; }
.news-more { color: var(--accent); font-weight: 500; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 6px; }
.news-more:hover { color: var(--accent-strong); transform: translateX(4px); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  display: flex; gap: 20px; align-items: flex-start; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-card-body { flex: 1; }
.news-tag {
  display: inline-block; font-size: 0.72rem; color: var(--accent-strong);
  border: 1px solid var(--accent); border-radius: 999px; padding: 2px 12px; margin-bottom: 10px;
  background: rgba(194,160,110,0.08);
}
.news-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.news-card h3 a { color: var(--ink); }
.news-card h3 a:hover { color: var(--accent); }
.news-card p { font-size: 0.9rem; color: var(--body); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--muted); border-top: 1px solid #f0ece2; padding-top: 12px; }
.news-link { color: var(--accent); font-weight: 500; }
.news-link:hover { color: var(--accent-strong); }
.empty-tip { text-align: center; color: var(--muted); padding: 48px 20px; background: #fff; border: 1px dashed var(--border); border-radius: var(--radius); font-size: 0.95rem; }

/* Testimonials */
.testimonials-section { background: #FDFBF7; border-top: 1px solid var(--border); }
.testimonial-main { text-align: center; max-width: 820px; margin: 0 auto 48px; }
.testimonial-main blockquote {
  font-family: var(--font-head); font-size: 1.25rem; line-height: 1.8; color: var(--ink);
  padding: 24px 32px; position: relative;
}
.testimonial-main blockquote::before { content: "\201C"; position: absolute; top: -6px; left: 0; font-size: 3.4rem; color: var(--accent); font-family: Georgia, serif; line-height: 1; }
.testimonial-main .testimonial-author { margin-top: 16px; color: var(--muted); font-size: 0.9rem; }
.testimonial-grid { max-width: 960px; margin: 0 auto; display: flex; gap: 24px; }
.testimonial-item { flex: 1; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.testimonial-item p { font-size: 0.92rem; color: var(--body); margin-bottom: 16px; }
.testimonial-author-row { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary-light); color: #fff; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; font-weight: 600; }
.testimonial-name { font-size: 0.85rem; color: var(--ink); font-weight: 600; }
.testimonial-role { font-size: 0.78rem; color: var(--muted); }

/* FAQ */
.faq-section { background: var(--bg); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { margin-bottom: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq-question {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  width: 100%; text-align: left; padding: 20px 24px; background: #fff; border: none;
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; color: var(--ink);
  cursor: pointer; transition: background 0.2s;
}
.faq-question:hover { background: #FBFAF6; }
.faq-question .faq-icon { color: var(--accent); font-size: 1.4rem; line-height: 1; font-weight: 400; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--body); font-size: 0.95rem; border-top: 1px solid #f0ece2; padding-top: 14px; }

/* CTA Section */
.cta-section { position: relative; background: var(--bg-deep); padding-block: clamp(64px, 8vw, 110px); }
.cta-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 70% 30%, rgba(28,104,118,0.4), transparent 60%); }
.cta-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; text-align: center; }
.cta-title { color: #fff; font-size: clamp(1.6rem, 2.8vw, 2.4rem); margin-bottom: 12px; }
.cta-subtitle { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 40px; }
.cta-form { text-align: left; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 32px; }
.form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.form-group { flex: 1; display: flex; flex-direction: column; }
.form-label { color: rgba(255,255,255,0.7); font-size: 0.82rem; margin-bottom: 6px; letter-spacing: 0.05em; }
.form-input {
  background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,0.3);
  padding: 12px 4px; color: #fff; font-size: 0.95rem; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
  border-radius: 0;
}
.form-input::placeholder { color: rgba(255,255,255,0.35); }
.form-input:focus { border-bottom-color: var(--accent); box-shadow: 0 0 0 3px rgba(196,160,110,0.15); }
.form-select { appearance: none; background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,0.3); padding: 12px 4px; color: rgba(255,255,255,0.7); font-size: 0.95rem; outline: none; cursor: pointer; border-radius: 0; }
.form-select option { color: var(--ink); background: #fff; }
.form-submit { width: 100%; margin-top: 12px; background: var(--accent); color: #1C2B33; border: none; padding: 14px 32px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.form-submit:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169,133,79,0.35); }
.form-submit:focus { outline: 2px solid rgba(194,160,110,0.4); outline-offset: 2px; }
.form-success { display: none; color: var(--accent); font-size: 0.95rem; margin-top: 16px; text-align: center; }

/* Footer */
.site-footer {
  background: var(--bg-deep); padding: clamp(48px, 6vw, 72px) 0 24px; color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
}
.footer-grid { display: flex; gap: 48px; flex-wrap: wrap; margin-bottom: 40px; }
.footer-col { flex: 1 1 200px; }
.footer-brand .logo-text { color: #fff; font-size: 1.25rem; }
.footer-brand p { margin-top: 12px; line-height: 1.7; color: rgba(255,255,255,0.5); font-size: 0.85rem; max-width: 260px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-family: var(--font-head); }
.footer-nav-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-nav-links a { color: rgba(255,255,255,0.65); }
.footer-nav-links a:hover { color: var(--accent); }
.footer-contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.65); margin-bottom: 12px; font-size: 0.88rem; }
.footer-contact-item svg { width: 16px; height: 16px; stroke: var(--accent); flex-shrink: 0; fill: none; stroke-width: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; align-items: center; font-size: 0.82rem; color: rgba(255,255,255,0.45); }

/* Responsive */
@media (max-width: 1023px) {
  .hamburger { display: inline-flex; }
  .main-nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(14, 75, 90, 0.1); padding: 16px 24px 24px;
    flex-direction: column;
  }
  .main-nav.open { display: block; }
  .main-nav .menu-list { flex-direction: column; gap: 4px; align-items: stretch; }
  .main-nav .menu-list a.nav-link { padding: 12px 0; font-size: 1rem; display: block; border-bottom: 1px solid #f0ece2; }
  .main-nav .menu-list a.nav-link.active::after { display: none; }
  .main-nav .menu-list a.nav-cta { margin-top: 12px; text-align: center; }
  .pain-grid { flex-direction: column; }
  .pain-card:nth-child(2) { flex: 1; }
  .testimonial-grid { flex-direction: column; }
  .form-row { flex-direction: column; margin-bottom: 0; gap: 0; }
  .form-group { margin-bottom: 16px; }
  .stats-grid { flex-wrap: wrap; }
  .stat-item { flex: 1 1 45%; }
  .stat-item:nth-child(3)::before { display: none; }
}
@media (max-width: 767px) {
  .hero { min-height: 70vh; }
  .hero-title { font-size: clamp(1.9rem, 6vw, 2.4rem); }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .section { padding-block: 48px; }
  .service-row { gap: 24px; }
  .ships-grid { flex-direction: column; }
  .stat-item { padding: 16px 6px; }
  .stat-number { font-size: 2rem; }
  .footer-grid { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .site-footer { padding-top: 40px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0E4B5A;
            --primary-light: #1C6876;
            --accent: #C2A06E;
            --accent-strong: #A9854F;
            --bg: #F7F5F0;
            --bg-deep: #0A2B34;
            --ink: #1C2B33;
            --body: #41545C;
            --muted: #7C8A90;
            --border: #E7E0D2;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 12px rgba(14, 75, 90, 0.06);
            --shadow-lg: 0 10px 30px rgba(14, 75, 90, 0.12);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --transition: 0.25s ease;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent-strong);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: clamp(20px, 4vw, 48px);
            padding-right: clamp(20px, 4vw, 48px);
        }

        .section-block {
            padding-block: clamp(64px, 10vw, 120px);
        }

        /* ========== 排版 ========== */
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-serif);
            font-weight: 600;
            color: var(--ink);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: clamp(2.4rem, 4.5vw, 3.6rem);
        }

        h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            margin-bottom: 16px;
        }

        h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        p {
            margin-bottom: 1em;
        }

        .eyebrow {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
        }

        .eyebrow::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 14px;
            height: 1px;
            background: var(--accent);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 0.9375rem;
        }

        .text-center {
            text-align: center;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9375rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            min-height: 48px;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: #1C2B33;
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(169, 133, 79, 0.35);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent-strong);
        }

        .btn-secondary:hover {
            background: rgba(194, 160, 110, 0.08);
            border-color: var(--accent-strong);
            color: var(--accent-strong);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(194, 160, 110, 0.4);
            outline-offset: 2px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 100;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

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

        .logo-text {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--ink);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-mark {
            width: 6px;
            height: 6px;
            background: var(--accent);
            transform: rotate(45deg);
            border-radius: 1px;
            display: inline-block;
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }

        .menu-list {
            display: flex;
            align-items: center;
            gap: 36px;
            margin: 0;
            padding: 0;
        }

        .menu-list .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--body);
            position: relative;
            padding: 10px 0 6px;
            transition: color 0.2s ease;
        }

        .menu-list .nav-link:hover {
            color: var(--accent);
        }

        .menu-list .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .menu-list .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 999px;
            bottom: -1px;
        }

        .menu-list .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            color: var(--accent-strong);
            font-size: 0.875rem;
            font-weight: 600;
            transition: all var(--transition);
        }

        .menu-list .nav-cta:hover {
            background: rgba(194, 160, 110, 0.1);
            color: var(--accent-strong);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(10, 43, 52, 0.55), rgba(10, 43, 52, 0.65)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 0;
        }

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

        .category-hero .eyebrow {
            color: #E5C99A;
        }

        .category-hero .eyebrow::before {
            background: #E5C99A;
        }

        .category-hero h1 {
            color: #fff;
            margin-bottom: 12px;
            font-size: clamp(2.2rem, 3.5vw, 3.2rem);
        }

        .category-hero .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            font-size: 1rem;
            line-height: 1.7;
        }

        .hero-divider {
            width: 64px;
            height: 2px;
            background: var(--accent);
            margin-top: 24px;
            border: none;
        }

        /* ========== 时间线 ========== */
        .timeline-section {
            background: var(--bg);
        }

        .timeline-wrap {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
            padding-left: 48px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 13px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(var(--accent), rgba(194, 160, 110, 0.12));
        }

        .timeline-item {
            position: relative;
            margin-bottom: 32px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -44px;
            top: 36px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 160, 110, 0.2);
            z-index: 2;
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .timeline-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .timeline-step {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            display: block;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .timeline-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .timeline-card p {
            color: var(--body);
            margin-bottom: 0;
            font-size: 0.9375rem;
        }

        .timeline-tag {
            display: inline-block;
            margin-top: 14px;
            font-size: 0.8125rem;
            color: var(--muted);
            background: rgba(194, 160, 110, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(194, 160, 110, 0.25);
        }

        /* ========== 卖点（不对称卡片） ========== */
        .features-section {
            background: #fff;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1.15fr 1fr;
            gap: 24px;
            align-items: stretch;
            margin-top: 8px;
        }

        .feature-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--accent);
            border-radius: 12px;
            color: var(--accent);
            font-size: 1.25rem;
            margin-bottom: 18px;
            background: rgba(194, 160, 110, 0.06);
        }

        .feature-card h3 {
            font-size: 1.15rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--body);
            flex: 1;
            margin-bottom: 0;
        }

        .feature-card .feature-meta {
            margin-top: 18px;
            font-size: 0.8125rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .feature-card .feature-meta i {
            color: var(--accent);
        }

        /* ========== 图文区 ========== */
        .showcase-section {
            background: var(--bg);
        }

        .showcase-img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            width: 100%;
            height: 100%;
            min-height: 260px;
            object-fit: cover;
        }

        .showcase-box {
            padding: 12px 0 12px 24px;
        }

        .showcase-box h2 {
            margin-bottom: 14px;
        }

        .showcase-box .lead {
            font-size: 1rem;
            color: var(--body);
            margin-bottom: 24px;
        }

        .feature-list {
            margin: 0 0 28px;
            padding: 0;
        }

        .feature-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 0.9375rem;
            color: var(--body);
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 9px;
            width: 7px;
            height: 7px;
            background: var(--accent);
            transform: rotate(45deg);
            border-radius: 1px;
        }

        /* ========== 适用场景 ========== */
        .scenes-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
        }

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

        .scene-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: 50%;
            background: rgba(194, 160, 110, 0.06);
        }

        .scene-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .scene-card p {
            font-size: 0.875rem;
            color: var(--muted);
            margin-bottom: 0;
        }

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

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

        .faq-accordion {
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-lg);
        }

        .faq-accordion .accordion-title {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            padding: 18px 54px 18px 20px;
            background: #fff;
            border: none;
            position: relative;
            display: block;
            line-height: 1.5;
        }

        .faq-accordion .accordion-title::before,
        .faq-accordion .accordion-title::after {
            content: '';
            position: absolute;
            right: 22px;
            top: 50%;
            width: 14px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-title::after {
            transform: rotate(90deg);
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(0deg);
        }

        .faq-accordion .accordion-title:hover,
        .faq-accordion .accordion-title:focus {
            background: #fff;
            color: var(--accent-strong);
        }

        .faq-accordion .accordion-title:focus-visible {
            outline: 2px solid rgba(194, 160, 110, 0.4);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-content {
            background: #fff;
            border: none;
            padding: 0 20px 20px;
            color: var(--body);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(rgba(10, 43, 52, 0.88), rgba(10, 43, 52, 0.92)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner .cta-sub {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9375rem;
            margin-bottom: 36px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(4px);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-row .form-field {
            text-align: left;
        }

        .form-row .form-field.full {
            grid-column: 1 / -1;
        }

        .form-row label {
            display: block;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .form-row input,
        .form-row select {
            width: 100%;
            height: 48px;
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.9375rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: none;
        }

        .form-row select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23C2A06E' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        .form-row select option {
            color: var(--ink);
            background: #fff;
        }

        .form-row input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-row input:focus,
        .form-row select:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 160, 110, 0.15);
        }

        .form-row .btn {
            grid-column: 1 / -1;
            width: 100%;
            min-height: 50px;
        }

        .cta-note {
            margin-top: 18px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.65);
            padding: clamp(48px, 6vw, 72px) 0 24px;
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-link {
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.25rem;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            font-size: 0.875rem;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-family: var(--font-serif);
        }

        .footer-nav-links {
            margin: 0;
            padding: 0;
        }

        .footer-nav-links li {
            margin-bottom: 12px;
        }

        .footer-nav-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.875rem;
        }

        .footer-contact-item svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8125rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }

            .feature-card:nth-child(3) {
                grid-column: 1 / -1;
                max-width: calc(50% - 12px);
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .section-block {
                padding-block: 48px;
            }

            .site-header {
                position: sticky;
                top: 0;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(10, 43, 52, 0.12);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
                display: block;
            }

            .main-nav.nav-open {
                max-height: 420px;
            }

            .main-nav .container {
                padding: 0;
            }

            .menu-list {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 0 16px;
            }

            .menu-list li {
                border-bottom: 1px solid #F0EBE0;
            }

            .menu-list li:last-child {
                border-bottom: none;
            }

            .menu-list .nav-link,
            .menu-list .nav-cta {
                display: block;
                padding: 14px 24px;
                font-size: 1rem;
                border: none;
                border-radius: 0;
                color: var(--body);
            }

            .menu-list .nav-link.active {
                color: var(--primary);
                background: rgba(194, 160, 110, 0.06);
            }

            .menu-list .nav-link.active::after {
                left: 24px;
                transform: none;
                width: 16px;
                height: 3px;
                bottom: 0;
            }

            .menu-list .nav-cta {
                color: var(--accent-strong);
                font-weight: 600;
            }

            .category-hero {
                min-height: 240px;
                padding: 40px 0;
            }

            .category-hero h1 {
                font-size: clamp(1.9rem, 6vw, 2.4rem);
            }

            .timeline-wrap {
                padding-left: 32px;
            }

            .timeline-dot {
                left: -36px;
                width: 12px;
                height: 12px;
            }

            .timeline-wrap::before {
                left: 11px;
            }

            .timeline-card {
                padding: 24px 20px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .feature-card:nth-child(3) {
                grid-column: auto;
                max-width: none;
            }

            .showcase-box {
                padding: 24px 0 0;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .form-row .btn {
                grid-column: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .header-inner {
                min-height: 64px;
            }

            .logo-text {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }

            .btn {
                width: 100%;
                padding: 14px 24px;
            }

            .cta-form {
                padding: 20px 16px;
            }
        }

/* roulang page: article */
:root{
  --primary:#0E4B5A;
  --primary-light:#1C6876;
  --accent:#C2A06E;
  --accent-strong:#A9854F;
  --bg:#F7F5F0;
  --bg-deep:#0A2B34;
  --ink:#1C2B33;
  --body:#41545C;
  --muted:#7C8A90;
  --border:#E7E0D2;
  --white:#FFFFFF;
  --radius:10px;
  --radius-sm:6px;
  --radius-lg:14px;
  --shadow-sm:0 2px 12px rgba(14,75,90,0.06);
  --shadow-md:0 10px 30px rgba(14,75,90,0.12);
  --font-heading:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --header-height:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--ink);line-height:1.3;margin:0;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:var(--font-body)}
.container{
  max-width:1200px;
  margin:0 auto;
  padding-inline:clamp(20px,4vw,48px);
}
/* ===== Header / Nav ===== */
.site-header{
  position:relative;
  z-index:100;
  background:rgba(247,245,240,0.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  height:var(--header-height);
}
.header-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:100%;
  gap:24px;
}
.brand-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.logo-text{
  font-family:var(--font-heading);
  font-size:1.35rem;
  font-weight:600;
  color:var(--ink);
  letter-spacing:0.02em;
  line-height:1.2;
}
.logo-mark{
  width:6px;
  height:6px;
  transform:rotate(45deg);
  background:var(--accent);
  border-radius:1px;
  flex-shrink:0;
}
.main-nav .menu-list{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
}
.nav-link{
  display:inline-block;
  padding:10px 14px;
  font-size:0.95rem;
  color:var(--ink);
  font-weight:500;
  position:relative;
  text-decoration:none;
  letter-spacing:0.01em;
  border-radius:var(--radius-sm);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{
  color:var(--accent-strong);
  background:rgba(194,160,110,0.06);
}
.nav-link.nav-active{color:var(--primary)}
.nav-link.nav-active::after{
  content:'';
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:2px;
  width:16px;
  height:3px;
  background:var(--accent);
  border-radius:999px;
}
.nav-cta{
  display:inline-block;
  padding:10px 22px;
  background:var(--accent);
  color:var(--ink);
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:0.9rem;
  text-decoration:none;
  margin-left:8px;
  transition:all .25s ease;
}
.nav-cta:hover{
  background:var(--accent-strong);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(169,133,79,0.35);
}
.menu-toggle{
  display:none;
  background:none;
  border:none;
  padding:10px 8px;
  cursor:pointer;
  flex-direction:column;
  gap:5px;
}
.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:all .25s ease;
}
/* ===== Article Main ===== */
.article-main{
  padding-bottom:clamp(64px,10vw,120px);
  min-height:60vh;
}
.article-layout{
  max-width:860px;
  margin:0 auto;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:32px 0 20px;
  font-size:0.875rem;
  color:var(--muted);
}
.breadcrumb a{
  color:var(--muted);
  text-decoration:none;
  transition:color .2s ease;
}
.breadcrumb a:hover{color:var(--accent-strong)}
.breadcrumb .sep{color:var(--border);user-select:none}
.breadcrumb .current{
  color:var(--muted);
  max-width:320px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.article-title{
  font-size:clamp(2rem,4vw,3.1rem);
  font-weight:600;
  line-height:1.3;
  margin-bottom:20px;
  color:var(--ink);
  letter-spacing:0.01em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:0.875rem;
  color:var(--muted);
  padding-bottom:28px;
  margin-bottom:44px;
  border-bottom:1px solid var(--border);
  font-variant-numeric:tabular-nums;
}
.meta-divider{color:var(--border)}
.article-content{
  max-width:720px;
  margin:0 auto;
  font-size:1rem;
  line-height:1.85;
  color:var(--body);
}
.article-content p{
  margin:0 0 1.5em;
}
.article-content h2{
  font-size:1.5rem;
  font-weight:600;
  color:var(--ink);
  margin:2em 0 1em;
  padding-left:14px;
  border-left:3px solid var(--accent);
  line-height:1.4;
}
.article-content h3{
  font-size:1.25rem;
  font-weight:600;
  color:var(--ink);
  margin:1.8em 0 0.9em;
  padding-left:12px;
  border-left:2px solid var(--accent);
  line-height:1.4;
}
.article-content h4{
  font-size:1.05rem;
  font-weight:600;
  color:var(--ink);
  margin:1.6em 0 0.8em;
  padding-left:10px;
  border-left:2px solid rgba(194,160,110,0.45);
  line-height:1.45;
}
.article-content ul,.article-content ol{
  margin:0 0 1.5em;
  padding-left:1.5em;
}
.article-content li{
  margin-bottom:0.5em;
  line-height:1.75;
}
.article-content ul li::marker{
  color:var(--accent);
}
.article-content ol li{
  color:var(--body);
}
.article-content blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:#FBF9F5;
  border-left:3px solid var(--accent);
  border-radius:0 var(--radius) var(--radius) 0;
  color:var(--body);
}
.article-content blockquote p{
  margin:0;
}
.article-content img{
  width:100%;
  height:auto;
  border-radius:var(--radius);
  border:1px solid var(--border);
  object-fit:cover;
}
.article-content figure{
  margin:2em 0;
}
.article-content figcaption{
  text-align:center;
  color:var(--muted);
  font-size:0.875rem;
  margin-top:10px;
}
.article-content a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-content a:hover{
  color:var(--accent-strong);
}
.article-content hr{
  border:none;
  border-top:1px solid var(--border);
  margin:2em 0;
}
/* ===== Tags ===== */
.article-foot{
  max-width:720px;
  margin:0 auto;
}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:28px 0 36px;
  border-bottom:1px solid var(--border);
}
.tag{
  display:inline-block;
  padding:5px 15px;
  background:rgba(194,160,110,0.08);
  border:1px solid var(--border);
  border-radius:999px;
  font-size:0.8rem;
  color:var(--body);
  line-height:1.6;
  transition:all .2s ease;
}
.tag:hover{
  border-color:var(--accent);
  color:var(--accent-strong);
  background:var(--white);
}
/* ===== Related ===== */
.related-section{
  max-width:720px;
  margin:0 auto;
  padding-top:48px;
}
.related-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:24px;
}
.related-head h2{
  font-size:1.5rem;
  font-weight:600;
  color:var(--ink);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.related-card{
  display:block;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .25s ease;
  text-decoration:none;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(194,160,110,0.45);
  text-decoration:none;
}
.related-card .card-img{
  width:100%;
  height:140px;
  object-fit:cover;
  display:block;
}
.related-card .card-body{
  padding:18px 18px 22px;
}
.related-card .card-body h3{
  font-size:1.02rem;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
  line-height:1.4;
}
.related-card:hover .card-body h3{
  color:var(--primary);
}
.related-card .card-body p{
  font-size:0.84rem;
  color:var(--muted);
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
/* ===== Article Actions ===== */
.article-actions{
  display:flex;
  justify-content:center;
  padding-top:44px;
}
.btn-secondary{
  display:inline-block;
  padding:14px 34px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:0.95rem;
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent-strong);
  text-decoration:none;
  transition:all .25s ease;
  cursor:pointer;
}
.btn-secondary:hover{
  background:rgba(194,160,110,0.08);
  border-color:var(--accent-strong);
  color:var(--accent-strong);
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(169,133,79,0.18);
}
.btn-secondary:focus-visible{
  outline:2px solid rgba(194,160,110,0.4);
  outline-offset:2px;
}
/* ===== Not Found ===== */
.not-found{
  max-width:720px;
  margin:0 auto;
  text-align:center;
  padding:120px 24px;
}
.not-found h1{
  font-size:clamp(1.8rem,4vw,2.6rem);
  color:var(--ink);
  margin-bottom:16px;
}
.not-found p{
  color:var(--muted);
  margin-bottom:36px;
}
.btn-primary{
  display:inline-block;
  padding:14px 36px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:0.95rem;
  background:var(--accent);
  border:1px solid var(--accent);
  color:var(--ink);
  text-decoration:none;
  transition:all .25s ease;
}
.btn-primary:hover{
  background:var(--accent-strong);
  border-color:var(--accent-strong);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(169,133,79,0.35);
}
.btn-primary:focus-visible{
  outline:2px solid rgba(194,160,110,0.4);
  outline-offset:2px;
}
/* ===== Footer ===== */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,0.65);
  padding:clamp(48px,6vw,72px) 0 24px;
  font-size:0.9rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 0.8fr 1.2fr;
  gap:clamp(32px,5vw,64px);
}
.footer-brand .brand-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.footer-brand .logo-text{
  color:#fff;
  font-family:var(--font-heading);
  font-size:1.35rem;
  font-weight:600;
}
.footer-brand .logo-mark{
  width:6px;
  height:6px;
  transform:rotate(45deg);
  background:var(--accent);
  border-radius:1px;
}
.footer-brand > p{
  margin-top:16px;
  font-size:0.875rem;
  line-height:1.6;
  color:rgba(255,255,255,0.55);
  max-width:280px;
}
.footer-col h4{
  color:#fff;
  font-size:1rem;
  font-weight:600;
  margin-bottom:20px;
  letter-spacing:0.02em;
}
.footer-nav-links{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-nav-links a{
  color:rgba(255,255,255,0.65);
  text-decoration:none;
  font-size:0.9rem;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-nav-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-contact-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.88rem;
  margin-bottom:14px;
  line-height:1.5;
  color:rgba(255,255,255,0.65);
}
.footer-contact-item svg{
  width:18px;
  height:18px;
  flex-shrink:0;
  fill:none;
  stroke:var(--accent);
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.footer-bottom{
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.12);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:0.82rem;
  color:rgba(255,255,255,0.45);
}
/* ===== Responsive ===== */
@media (max-width:1023px){
  .related-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    row-gap:40px;
  }
  .footer-brand .footer-nav-links{
    gap:14px;
  }
}
@media (max-width:767px){
  .site-header{
    height:auto;
    min-height:var(--header-height);
  }
  .header-bar{
    flex-wrap:wrap;
    padding-block:16px;
  }
  .main-nav{
    display:none;
    width:100%;
    order:3;
    background:var(--white);
    border-top:1px solid var(--border);
    margin-top:12px;
    padding:8px 0 16px;
    border-radius:0 0 var(--radius) var(--radius);
    box-shadow:var(--shadow-md);
  }
  .main-nav.open{
    display:block;
  }
  .main-nav .menu-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .nav-link{
    display:block;
    padding:14px 12px;
    font-size:1rem;
    border-radius:var(--radius-sm);
  }
  .nav-link.nav-active{
    color:var(--primary);
    background:rgba(194,160,110,0.08);
  }
  .nav-link.nav-active::after{
    display:none;
  }
  .nav-cta{
    display:block;
    text-align:center;
    margin:12px 0 0;
    padding:13px 22px;
  }
  .nav-cta:hover{
    transform:none;
  }
  .menu-toggle{
    display:flex;
    align-items:center;
    justify-content:center;
    min-width:44px;
    min-height:44px;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(2){
    opacity:0;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
  .article-layout{
    padding-inline:0;
  }
  .breadcrumb{
    padding-top:24px;
  }
  .article-title{
    font-size:clamp(1.9rem,6vw,2.4rem);
  }
  .article-meta{
    padding-bottom:20px;
    margin-bottom:32px;
    gap:8px;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .related-card .card-img{
    height:170px;
  }
  .article-actions{
    padding-top:36px;
  }
  .article-actions .btn-secondary{
    width:100%;
    text-align:center;
  }
  .not-found{
    padding:80px 24px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .container{
    padding-inline:20px;
  }
}

/* roulang page: category2 */
:root {
            --primary: #0E4B5A;
            --primary-light: #1C6876;
            --accent: #C2A06E;
            --accent-strong: #A9854F;
            --bg: #F7F5F0;
            --bg-deep: #0A2B34;
            --ink: #1C2B33;
            --body: #41545C;
            --muted: #7C8A90;
            --border: #E7E0D2;
            --radius: 10px;
            --shadow: 0 2px 12px rgba(14, 75, 90, 0.06);
            --shadow-hover: 0 10px 30px rgba(14, 75, 90, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(194, 160, 110, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(20px, 4vw, 48px);
        }

        /* ===== buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #1C2B33;
            font-weight: 600;
            font-size: .95rem;
            padding: 14px 32px;
            border-radius: 6px;
            border: none;
            cursor: pointer;
            transition: background .25s, transform .25s, box-shadow .25s, color .25s;
            min-height: 48px;
            font-family: inherit;
            line-height: 1.2;
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(169, 133, 79, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--accent-strong);
            font-weight: 600;
            font-size: .95rem;
            padding: 13px 31px;
            border-radius: 6px;
            border: 1px solid var(--accent);
            cursor: pointer;
            transition: background .25s, border-color .25s, transform .25s;
            min-height: 48px;
            font-family: inherit;
            line-height: 1.2;
        }
        .btn-outline:hover {
            background: rgba(194, 160, 110, 0.08);
            border-color: var(--accent-strong);
            transform: translateY(-2px);
        }

        /* ===== header & nav ===== */
        .site-header {
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 50;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .logo-text {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--ink);
            letter-spacing: .02em;
        }

        .logo-mark {
            width: 6px;
            height: 6px;
            background: var(--accent);
            transform: rotate(45deg);
            display: inline-block;
            flex-shrink: 0;
        }

        .main-nav {}

        .menu-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: clamp(16px, 3vw, 36px);
        }

        .menu-list li {
            margin-bottom: 0;
        }

        .nav-link {
            font-size: .95rem;
            font-weight: 500;
            color: var(--body);
            padding: 6px 2px;
            position: relative;
            display: inline-block;
            transition: color .25s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 16px;
            height: 3px;
            border-radius: 999px;
            background: var(--accent);
            opacity: 0;
            transform: scaleX(.4);
            transition: opacity .25s, transform .25s;
        }

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

        .nav-link.active {
            color: var(--ink);
            font-weight: 600;
        }

        .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #1C2B33;
            font-weight: 600;
            font-size: .9rem;
            padding: 9px 22px;
            border-radius: 6px;
            transition: background .25s, color .25s, box-shadow .25s;
        }

        .nav-cta:hover {
            background: var(--accent-strong);
            color: #fff;
            box-shadow: 0 6px 20px rgba(169, 133, 79, .3);
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            width: 44px;
            height: 44px;
            padding: 0;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
        }

        .menu-toggle .bar {
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: transform .3s, opacity .3s;
            display: block;
        }

        .menu-toggle.open .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open .bar:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== page hero ===== */
        .page-hero {
            position: relative;
            height: 300px;
            display: flex;
            align-items: center;
            color: #fff;
            background-image: linear-gradient(rgba(10, 43, 52, 0.62), rgba(10, 43, 52, 0.48)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            margin-bottom: 0;
        }

        .page-hero .container {
            width: 100%;
        }

        .hero-eyebrow {
            font-size: .85rem;
            letter-spacing: .18em;
            color: var(--accent);
            text-transform: uppercase;
            display: block;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .page-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(2.2rem, 4vw, 3rem);
            font-weight: 600;
            line-height: 1.2;
            margin: 0 0 12px;
            color: #fff;
            letter-spacing: .01em;
        }

        .page-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== alt sections ===== */
        .alt-section {
            padding: clamp(64px, 8vw, 110px) 0 40px;
        }

        .alternate-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: clamp(56px, 7vw, 90px);
        }

        .alternate-row .columns {
            float: none;
        }

        .alt-media {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .alt-media img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .alt-media:hover img {
            transform: scale(1.03);
        }

        .alt-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 43, 52, 0.25), transparent 45%);
            pointer-events: none;
        }

        .alt-copy {
            padding: 0 clamp(20px, 4vw, 48px);
        }

        .alt-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .14em;
            color: var(--accent-strong);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .alt-eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            display: inline-block;
            border-radius: 2px;
        }

        .alt-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 14px;
            line-height: 1.35;
        }

        .alt-text {
            font-size: .97rem;
            line-height: 1.85;
            color: var(--body);
            margin-bottom: 16px;
        }

        .alt-points {
            list-style: none;
            margin: 16px 0 0;
            padding: 0;
        }

        .alt-points li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: .93rem;
            color: var(--body);
        }

        .alt-points li::before {
            content: "";
            position: absolute;
            left: 0;
            top: .62em;
            width: 6px;
            height: 6px;
            background: var(--accent);
            transform: rotate(45deg);
        }

        .alt-icon {
            width: 42px;
            height: 42px;
            border: 1px solid rgba(194, 160, 110, .5);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-strong);
            margin-bottom: 14px;
        }

        .alt-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.6;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .alternate-row:nth-child(odd) .alt-media {
            order: 1;
        }
        .alternate-row:nth-child(odd) .alt-copy {
            order: 2;
        }
        .alternate-row:nth-child(even) .alt-media {
            order: 2;
        }
        .alternate-row:nth-child(even) .alt-copy {
            order: 1;
        }

        /* ===== steps ===== */
        .steps-section {
            background: var(--bg-deep);
            padding: clamp(56px, 8vw, 100px) 0;
            color: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 620px;
            margin: 0 auto clamp(36px, 5vw, 56px);
        }

        .section-eyebrow {
            font-size: .8rem;
            letter-spacing: .16em;
            color: var(--accent);
            text-transform: uppercase;
            display: block;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .section-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: .95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 28px 22px;
            text-align: left;
            transition: background .3s, transform .3s, border-color .3s;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-4px);
            border-color: rgba(194, 160, 110, .35);
        }

        .step-num {
            font-family: "Noto Serif SC", serif;
            font-size: 2.2rem;
            font-weight: 600;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .step-text {
            font-size: .88rem;
            color: rgba(255, 255, 255, 0.62);
            line-height: 1.65;
        }

        /* ===== features / stats ===== */
        .features-section {
            padding: clamp(56px, 8vw, 100px) 0;
            background: var(--bg);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .feature-stat {
            text-align: center;
            padding: 18px 12px;
            border-left: 1px solid var(--border);
        }

        .feature-stat:first-child {
            border-left: none;
        }

        .stat-num {
            font-family: "Noto Serif SC", serif;
            font-size: clamp(2.2rem, 3.2vw, 3rem);
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            font-size: .875rem;
            color: var(--muted);
            letter-spacing: .03em;
        }

        /* ===== cta ===== */
        .cta-section {
            background: var(--bg-deep);
            padding: clamp(56px, 8vw, 100px) 0;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }

        .cta-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.7rem, 2.8vw, 2.4rem);
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-subtitle {
            font-size: .95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            text-align: left;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            font-size: .85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            letter-spacing: .02em;
        }

        .form-control {
            height: 48px;
            background: transparent;
            border: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: .95rem;
            font-family: inherit;
            padding: 0 4px;
            border-radius: 0;
            transition: border-color .25s, box-shadow .25s;
        }

        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-control:focus {
            border-bottom-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(196, 160, 110, 0.15);
            background: transparent;
            outline: none;
        }

        select.form-control {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='rgba(194,160,110,0.8)' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 4px center;
            padding-right: 24px;
        }

        select.form-control option {
            color: var(--ink);
            background: #fff;
        }

        .form-submit {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            margin-top: 10px;
        }

        .cta-note {
            font-size: .85rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 22px;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: clamp(56px, 8vw, 100px) 0;
            background: #FDFBF7;
        }

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

        .accordion {
            list-style: none;
            margin: 0;
            padding: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
        }

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

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

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            transition: color .25s;
        }

        .accordion-title:hover {
            color: var(--accent-strong);
        }

        .accordion-title::after {
            content: "+";
            font-size: 1.2rem;
            color: var(--accent);
            font-weight: 400;
            transition: transform .3s;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .accordion-item.is-active .accordion-title::after {
            content: "−";
            transform: rotate(180deg);
        }

        .accordion-content {
            display: none;
            padding: 4px 24px 22px;
            font-size: .93rem;
            color: var(--body);
            line-height: 1.75;
            border-top: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.65);
            padding: clamp(48px, 6vw, 72px) 0 24px;
            font-size: .9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-link {
            margin-bottom: 14px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.2rem;
        }

        .footer-brand .logo-mark {
            background: var(--accent);
        }

        .footer-brand p {
            font-size: .875rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 12px;
            line-height: 1.6;
            max-width: 240px;
        }

        .footer-col h4 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

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

        .footer-nav-links li {
            margin-bottom: 12px;
        }

        .footer-nav-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color .25s;
            font-size: .9rem;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: .875rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.5;
        }

        .footer-contact-item svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--accent);
            stroke-width: 1.8;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: .82rem;
            color: rgba(255, 255, 255, 0.42);
        }

        /* ===== responsive ===== */
        @media (max-width: 1023px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .feature-stat {
                border-left: none;
                border-top: 1px solid var(--border);
                padding: 20px 8px;
            }

            .feature-stat:first-child,
            .feature-stat:nth-child(3) {
                border-left: none;
            }

            .feature-stat:nth-child(-n+2) {
                border-top: none;
            }

            .alt-copy {
                padding: 24px 0 0;
            }

            .alternate-row .columns {
                flex: 0 0 100%;
                max-width: 100%;
            }

            .alternate-row:nth-child(even) .alt-media {
                order: 1;
            }

            .alternate-row:nth-child(even) .alt-copy {
                order: 2;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                height: 64px;
            }

            .menu-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                display: none;
                z-index: 100;
                box-shadow: 0 20px 40px rgba(14, 75, 90, 0.08);
            }

            .main-nav.open {
                display: block;
            }

            .menu-list {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                gap: 0;
            }

            .menu-list li {
                border-bottom: 1px solid rgba(231, 224, 210, 0.6);
            }

            .menu-list li:last-child {
                border-bottom: none;
            }

            .nav-link {
                display: block;
                padding: 14px 20px;
                font-size: 1rem;
            }

            .nav-link::after {
                display: none;
            }

            .nav-link.active {
                background: rgba(194, 160, 110, 0.08);
                color: var(--accent-strong);
            }

            .nav-cta {
                display: block;
                margin: 12px 20px;
                text-align: center;
                padding: 12px 20px;
            }

            .page-hero {
                height: 260px;
            }

            .page-title {
                font-size: clamp(1.9rem, 6vw, 2.4rem);
            }

            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }

            .alt-media img {
                height: 220px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .feature-stat {
                border-top: 1px solid var(--border);
                padding: 16px 8px;
            }

            .feature-stat:nth-child(2) {
                border-top: none;
            }

            .feature-stat:first-child {
                border-top: none;
            }

            .cta-form {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .alt-copy {
                padding: 20px 0 0;
            }

            .alternate-row {
                margin-bottom: 48px;
            }
        }

/* roulang page: category3 */
:root {
      --primary: #0E4B5A;
      --primary-light: #1C6876;
      --accent: #C2A06E;
      --accent-strong: #A9854F;
      --bg: #F7F5F0;
      --bg-deep: #0A2B34;
      --bg-soft: #FDFBF7;
      --ink: #1C2B33;
      --body: #41545C;
      --muted: #7C8A90;
      --border: #E7E0D2;
      --white: #ffffff;
      --shadow-sm: 0 2px 12px rgba(14, 75, 90, 0.06);
      --shadow-lg: 0 10px 30px rgba(14, 75, 90, 0.12);
      --radius-card: 10px;
      --radius-btn: 6px;
      --radius-lg: 14px;
      --transition: 0.25s ease;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    }

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

    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 1rem;
      line-height: 1.75;
      color: var(--body);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color var(--transition); }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    h1, h2, h3, h4, h5 { font-family: var(--font-serif); color: var(--ink); margin: 0; font-weight: 600; line-height: 1.35; font-variant-numeric: tabular-nums; }
    p { margin: 0 0 1em; }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: clamp(20px, 4vw, 48px);
      padding-right: clamp(20px, 4vw, 48px);
    }

    .section-block { padding-block: clamp(64px, 10vw, 120px); }

    .section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); }
    .section-head .kicker { font-size: 0.875rem; color: var(--accent-strong); letter-spacing: 0.14em; display: block; margin-bottom: 12px; text-transform: uppercase; }
    .section-head h2 { font-size: clamp(1.5rem, 2.5vw, 2.2rem); margin-bottom: 16px; }
    .section-head p { color: var(--muted); font-size: 0.95rem; line-height: 1.7; margin: 0; }

    .buttons-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }

    .btn-primary, .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-family: var(--font-sans);
      font-size: 1rem;
      font-weight: 600;
      line-height: 1.2;
      cursor: pointer;
      border: none;
      text-align: center;
      transition: all var(--transition);
    }

    .btn-primary { background: var(--accent); color: #1C2B33; }
    .btn-primary:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169, 133, 79, 0.35); }
    .btn-primary:focus-visible, .btn-secondary:focus-visible { outline: 2px solid rgba(194, 160, 110, 0.4); outline-offset: 2px; }
    .btn-secondary { background: transparent; color: var(--accent-strong); border: 1px solid var(--accent); }
    .btn-secondary:hover { background: rgba(194, 160, 110, 0.08); border-color: var(--accent-strong); color: var(--accent-strong); transform: translateY(-2px); }

    .badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      padding: 4px 12px;
      border-radius: 999px;
      border: 1px solid var(--accent);
      color: var(--accent-strong);
      background: transparent;
      line-height: 1.4;
    }

    /* Header / Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }

    .nav-logo { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
    .nav-logo .logo-text { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 600; color: var(--ink); letter-spacing: 0.02em; }
    .nav-logo .logo-mark { width: 6px; height: 6px; background: var(--accent); display: inline-block; transform: rotate(45deg); }

    .main-nav .menu-list { display: flex; align-items: center; gap: clamp(20px, 3vw, 34px); margin: 0; }

    .main-nav .nav-link { position: relative; color: var(--body); font-size: 0.95rem; font-weight: 500; padding: 6px 0; white-space: nowrap; }
    .main-nav .nav-link::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -4px;
      transform: translateX(-50%);
      width: 16px;
      height: 3px;
      border-radius: 999px;
      background: var(--accent);
      opacity: 0;
      transition: opacity var(--transition);
    }
    .main-nav .nav-link:hover { color: var(--accent); }
    .main-nav .nav-link.active { color: var(--ink); font-weight: 600; }
    .main-nav .nav-link.active::after { opacity: 1; }

    .main-nav .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 22px;
      background: var(--accent);
      color: #1C2B33;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 0.9rem;
      white-space: nowrap;
      transition: all var(--transition);
    }
    .main-nav .nav-cta:hover { background: var(--accent-strong); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169, 133, 79, 0.3); }

    .hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border: none; background: transparent; cursor: pointer; }
    .hamburger span { width: 22px; height: 2px; background: var(--ink); display: block; border-radius: 2px; transition: all 0.3s; }

    /* Category Hero */
    .category-hero {
      position: relative;
      padding-block: clamp(48px, 7vw, 80px);
      background: linear-gradient(rgba(10, 43, 52, 0.65), rgba(14, 75, 90, 0.45)), url('/assets/images/backpic/back-2.webp') center/cover;
      color: #fff;
      border-bottom: 3px solid var(--accent);
    }
    .category-hero .container { position: relative; z-index: 2; }
    .category-hero .kicker { display: inline-block; color: var(--accent); font-size: 0.85rem; letter-spacing: 0.16em; margin-bottom: 14px; border: 1px solid rgba(194, 160, 110, 0.5); padding: 4px 14px; border-radius: 999px; }
    .category-hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3rem); max-width: 640px; margin-bottom: 16px; }
    .category-hero .hero-desc { max-width: 640px; font-size: 1rem; color: rgba(255, 255, 255, 0.85); margin: 0; line-height: 1.7; }

    .hero-divider { width: 64px; height: 2px; background: var(--accent); margin-top: 28px; border: none; }

    /* Intro Section */
    .intro-section { background: var(--bg); }
    .intro-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
    .intro-copy h2 { font-size: clamp(1.4rem, 2vw, 2rem); margin-bottom: 18px; }
    .intro-copy p { color: var(--body); margin-bottom: 1.2em; }
    .intro-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; }
    .intro-stats .stat-num { font-family: var(--font-serif); font-size: clamp(2rem, 3vw, 2.6rem); font-weight: 700; color: var(--accent); line-height: 1.1; }
    .intro-stats .stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }

    /* Ranking Cards */
    .ranking-section { background: var(--white); }
    .ranking-list { max-width: 940px; margin: 0 auto; }
    .rank-card {
      display: flex;
      align-items: flex-start;
      gap: clamp(20px, 3.5vw, 36px);
      padding: clamp(22px, 3.5vw, 34px);
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      margin-bottom: 18px;
      transition: all var(--transition);
    }
    .rank-card:nth-child(even) { background: var(--bg-soft); }
    .rank-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(194, 160, 110, 0.5); }
    .rank-num {
      font-family: var(--font-serif);
      font-size: clamp(2.6rem, 4vw, 3.6rem);
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      min-width: 68px;
      text-align: center;
    }
    .rank-body { flex: 1; }
    .rank-tag { display: inline-block; margin-bottom: 10px; }
    .rank-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
    .rank-body p { font-size: 0.95rem; color: var(--body); margin-bottom: 10px; }
    .rank-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8rem; color: var(--muted); }
    .rank-meta span { display: inline-flex; align-items: center; }
    .rank-meta svg { width: 14px; height: 14px; margin-right: 5px; stroke: var(--accent); fill: none; stroke-width: 2; }

    /* Alternate highlight */
    .highlight-section { background: var(--bg); }
    .alternate-row { display: flex; align-items: center; gap: clamp(28px, 5vw, 64px); margin-bottom: clamp(40px, 6vw, 64px); }
    .alternate-row:last-child { margin-bottom: 0; }
    .alternate-row.reverse { flex-direction: row-reverse; }
    .alternate-media { flex: 1; }
    .alternate-media img { width: 100%; height: 260px; object-fit: cover; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
    .alternate-content { flex: 1; }
    .alternate-content h3 { font-size: 1.4rem; margin-bottom: 12px; }
    .alternate-content p { color: var(--body); margin-bottom: 14px; }
    .alternate-list li { position: relative; padding-left: 22px; margin-bottom: 8px; font-size: 0.95rem; }
    .alternate-list li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 6px; height: 6px; background: var(--accent); transform: rotate(45deg); }

    /* Steps */
    .steps-section { background: var(--bg-deep); color: rgba(255, 255, 255, 0.85); }
    .steps-section .section-head h2 { color: #fff; }
    .steps-section .section-head p { color: rgba(255, 255, 255, 0.55); }
    .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .step-card { text-align: center; padding: 28px 18px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-card); background: rgba(255, 255, 255, 0.03); transition: all var(--transition); }
    .step-card:hover { background: rgba(255, 255, 255, 0.06); transform: translateY(-2px); }
    .step-num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--accent); display: block; margin-bottom: 10px; }
    .step-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: 6px; }
    .step-card p { font-size: 0.85rem; margin: 0; color: rgba(255, 255, 255, 0.6); }

    /* FAQ */
    .faq-section { background: var(--white); }
    .faq-wrap { max-width: 780px; margin: 0 auto; border-top: 1px solid var(--border); }
    .accordion { background: transparent; margin: 0; }
    .accordion .accordion-item { background: transparent; border-bottom: 1px solid var(--border); }
    .accordion .accordion-title { font-family: var(--font-serif); font-size: 1.05rem; font-weight: 600; color: var(--ink); padding: 18px 44px 18px 20px; background: #fff; border: none; position: relative; display: block; line-height: 1.5; }
    .accordion .accordion-title:hover { color: var(--accent-strong); background: #fff; }
    .accordion .accordion-title::before, .accordion .accordion-title::after { display: none; }
    .accordion .accordion-title .acc-icon { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; text-align: center; color: var(--accent); font-size: 1.1rem; font-weight: 400; line-height: 20px; font-family: var(--font-sans); }
    .accordion .accordion-content { background: #fff; color: var(--body); font-size: 0.95rem; padding: 0 20px 20px; border: none; line-height: 1.75; }
    .accordion .accordion-item.is-active > .accordion-title { color: var(--ink); }

    /* CTA / Contact */
    .contact-section {
      background: linear-gradient(rgba(10, 43, 52, 0.9), rgba(10, 43, 52, 0.82)), url('/assets/images/backpic/back-3.webp') center/cover;
      color: rgba(255, 255, 255, 0.85);
    }
    .contact-section .section-head h2 { color: #fff; }
    .contact-section .section-head p { color: rgba(255, 255, 255, 0.65); }
    .contact-box { max-width: 720px; margin: 0 auto; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); }
    .contact-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; }
    .form-field label { display: block; font-size: 0.8rem; color: rgba(255, 255, 255, 0.6); margin-bottom: 6px; }
    .form-field input, .form-field select {
      width: 100%;
      height: 48px;
      border: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.3);
      background: transparent;
      color: #fff;
      font-size: 0.95rem;
      font-family: var(--font-sans);
      padding: 0 4px;
      border-radius: 0;
      box-shadow: none;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .form-field textarea {
      width: 100%;
      border: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.3);
      background: transparent;
      color: #fff;
      font-size: 0.95rem;
      font-family: var(--font-sans);
      padding: 12px 4px;
      border-radius: 0;
      box-shadow: none;
      min-height: 80px;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .form-field input::placeholder, .form-field textarea::placeholder { color: rgba(255, 255, 255, 0.4); }
    .form-field select { appearance: none; -webkit-appearance: none; background-image: none; }
    .form-field select option { color: var(--ink); background: #fff; }
    .form-field input:focus, .form-field select:focus, .form-field textarea:focus {
      border-bottom-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(194, 160, 110, 0.18);
      outline: none;
    }
    .contact-form .btn-primary { width: 100%; margin-top: 28px; }

    /* Footer */
    .site-footer { background: var(--bg-deep); color: rgba(255, 255, 255, 0.65); padding: clamp(48px, 6vw, 72px) 0 24px; font-size: 0.9rem; }
    .site-footer .footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1.2fr; gap: clamp(24px, 4vw, 48px); margin-bottom: 40px; }
    .site-footer .brand-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; }
    .site-footer .logo-text { font-family: var(--font-serif); font-size: 1.25rem; color: #fff; font-weight: 600; }
    .site-footer .logo-mark { width: 6px; height: 6px; background: var(--accent); display: inline-block; transform: rotate(45deg); }
    .site-footer p { margin-bottom: 0; font-size: 0.875rem; line-height: 1.6; }
    .site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; font-family: var(--font-serif); }
    .site-footer .footer-nav-links li { margin-bottom: 12px; }
    .site-footer .footer-nav-links a { color: rgba(255, 255, 255, 0.65); font-size: 0.875rem; }
    .site-footer .footer-nav-links a:hover { color: var(--accent); }
    .site-footer .footer-contact-item { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.85rem; }
    .site-footer .footer-contact-item svg { width: 16px; height: 16px; fill: none; stroke: var(--accent); stroke-width: 1.8; flex-shrink: 0; }
    .site-footer .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; color: rgba(255, 255, 255, 0.45); }

    /* Responsive */
    @media (max-width: 1023px) {
      .intro-grid { grid-template-columns: 1fr; }
      .intro-stats { grid-template-columns: repeat(3, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .alternate-row, .alternate-row.reverse { flex-direction: column; }
      .alternate-media img { height: 220px; }
    }

    @media (max-width: 767px) {
      .site-header { position: relative; }
      .hamburger { display: flex; }
      .main-nav .menu-list {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(14, 75, 90, 0.08);
      }
      .main-nav .menu-list.open { display: flex; }
      .main-nav .menu-list li { text-align: left; }
      .main-nav .nav-link { display: block; padding: 14px clamp(20px, 4vw, 32px); font-size: 1rem; }
      .main-nav .nav-link::after { left: 20px; bottom: 10px; transform: none; }
      .main-nav .nav-cta { margin: 12px clamp(20px, 4vw, 32px) 0; justify-content: center; }
      .category-hero { padding-block: 56px; }
      .intro-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
      .rank-card { flex-direction: row; gap: 18px; padding: 20px; }
      .rank-num { font-size: 2.2rem; min-width: 48px; }
      .contact-form .form-grid { grid-template-columns: 1fr; gap: 16px; }
      .contact-form .btn-primary { margin-top: 20px; }
      .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .site-footer .footer-bottom { flex-direction: column; text-align: center; }
    }

    @media (max-width: 520px) {
      .steps-grid { grid-template-columns: 1fr; }
      .intro-stats { grid-template-columns: repeat(3, 1fr); }
      .intro-stats .stat-num { font-size: 1.6rem; }
      .rank-card { flex-direction: column; }
      .rank-num { text-align: left; }
    }