/* roulang page: index */
:root {
  --color-primary: #00B894;
  --color-primary-hover: #00A382;
  --color-primary-soft: rgba(0, 184, 148, 0.12);
  --color-bg-dark: #0B1220;
  --color-bg-body: #F2F6F8;
  --color-bg-card: #FFFFFF;
  --color-accent: #D4FF3F;
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #8A94A6;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --radius-card: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  background: var(--color-bg-body);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container-fluid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) { .container-fluid { padding: 0 32px; } }
@media (min-width: 1024px) { .container-fluid { padding: 0 40px; } }

/* ===== Dock Navigation ===== */
.dock-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: 92%;
  max-width: 1000px;
}
.dock-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 10px 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.dock-logo:hover { opacity: 0.85; }
.dock-links {
  display: none;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: center;
}
@media (min-width: 1024px) {
  .dock-header { width: 76%; }
  .dock-links { display: flex; gap: 20px; }
}
.dock-link {
  color: #cbd5e1;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.dock-link:hover { color: #fff; }
.dock-link.active { color: var(--color-primary); font-weight: 700; border-bottom-color: var(--color-primary); }
.dock-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.25s ease, transform 0.25s ease;
}
.dock-cta:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.dock-cta:focus { outline: none; box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.4); }
.dock-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: #cbd5e1;
  transition: all 0.25s ease;
}
.dock-icon-btn:hover { color: #fff; border-color: var(--color-primary); background: var(--color-primary-soft); }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  padding: 14px 30px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  transition: all 0.3s ease;
  line-height: 1.4;
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateX(-2px); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.4), 0 0 0 6px rgba(0, 184, 148, 0.1); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(0, 184, 148, 0.45);
  border-radius: 999px;
  padding: 14px 30px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-secondary:hover { background: var(--color-primary-soft); border-color: var(--color-primary); }
.btn-secondary:focus { outline: none; box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.35); }

/* ===== Tags ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  line-height: 1.4;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  background: var(--color-bg-dark);
  padding-top: 130px;
  padding-bottom: 72px;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-ring {
  position: absolute;
  top: 40px;
  right: 80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 184, 148, 0.3);
  animation: hero-spin 30s linear infinite;
  pointer-events: none;
}
@keyframes hero-spin { to { transform: rotate(360deg); } }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 184, 148, 0.12);
  border: 1px solid rgba(0, 184, 148, 0.3);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
}
.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.text-primary-glow {
  color: var(--color-primary);
  background: linear-gradient(120deg, #00B894, #D4FF3F);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  z-index: 5;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  border-left: 3px solid var(--color-primary);
  display: flex;
  align-items: center;
  gap: 14px;
  backdrop-filter: blur(8px);
}
.trend-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 184, 148, 0.12);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  font-size: 13px;
}
.hero-trust-item i { color: var(--color-primary); font-size: 14px; }

/* ===== Sections ===== */
.section { padding: 72px 0; }
@media (min-width: 768px) { .section { padding: 96px 0; } }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.section-label::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: var(--color-primary);
}
.section-title { margin-top: 14px; font-size: 28px; font-weight: 800; line-height: 1.3; letter-spacing: -0.01em; color: var(--color-text-primary); }
@media (min-width: 768px) { .section-title { font-size: 38px; } }
.section-sub { margin-top: 12px; color: var(--color-text-secondary); font-size: 15px; line-height: 1.8; max-width: 640px; }

/* ===== Cards ===== */
.card-hover {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  transition: all 0.3s ease;
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(0, 184, 148, 0.35);
}

/* ===== Feature Carousel ===== */
.carousel-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 8px;
  scroll-behavior: smooth;
}
.carousel-track::-webkit-scrollbar { display: none; }
.feature-card { flex: 0 0 88%; scroll-snap-align: start; }
@media (min-width: 640px) { .feature-card { flex-basis: 420px; } }
.feature-num { font-family: "Roboto Mono", monospace; font-size: 12px; font-weight: 700; color: var(--color-primary); letter-spacing: 0.08em; }
.carousel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-primary);
  transition: all 0.25s ease;
}
.carousel-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }
.carousel-btn:focus { outline: none; box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.35); }
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-border-strong);
  border: none;
  padding: 0;
  transition: all 0.3s ease;
}
.carousel-dot.active { width: 26px; background: var(--color-primary); }

/* ===== System Requirements ===== */
.sys-panel {
  background: var(--color-bg-dark);
  border-radius: 24px;
  padding: 40px 24px;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) { .sys-panel { padding: 56px 48px; } }
.sys-panel::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.15) 0%, transparent 70%);
}
.sys-item {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.3s ease;
}
.sys-item:hover { border-color: rgba(0, 184, 148, 0.4); background: rgba(0, 184, 148, 0.06); }
.sys-item h3 { color: #fff; font-weight: 700; font-size: 17px; margin-top: 16px; }
.sys-item ul { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.sys-item li { color: #94a3b8; font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
.sys-item li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--color-primary); margin-top: 8px; flex-shrink: 0; }
.sys-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 255, 63, 0.12);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}

/* ===== Testimonials ===== */
.testimonial-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-left: 3px solid var(--color-primary);
}
.stars { display: flex; gap: 2px; color: var(--color-accent); font-size: 13px; }
.stars i { margin-right: 1px; }

/* ===== FAQ ===== */
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(0, 184, 148, 0.35); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-primary);
  border-radius: 2px;
}
.faq-icon::before { width: 12px; height: 2px; }
.faq-icon::after { width: 2px; height: 12px; }
.faq-item[open] .faq-icon { background: var(--color-primary); transform: rotate(90deg); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: #fff; }
.faq-answer { padding: 0 24px 22px; color: var(--color-text-secondary); font-size: 14px; line-height: 1.9; }

/* ===== Download CTA ===== */
.download-panel {
  position: relative;
  background: linear-gradient(135deg, rgba(0, 184, 148, 0.12) 0%, rgba(0, 184, 148, 0) 60%);
  border: 1px solid var(--color-border);
  border-bottom: 3px solid var(--color-primary);
  border-radius: 24px;
  padding: 48px 24px;
  text-align: center;
  overflow: hidden;
}
@media (min-width: 768px) { .download-panel { padding: 64px 48px; } }
.platform-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}
.platform-btn:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 184, 148, 0.12); }
.platform-btn i { color: var(--color-text-muted); transition: color 0.25s ease; }
.platform-btn:hover i { color: var(--color-primary); }

/* ===== Footer ===== */
.site-footer { background: var(--color-bg-dark); padding: 64px 0 32px; color: #94a3b8; }
.footer-title { color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 16px; }
.footer-link { display: block; color: #94a3b8; font-size: 14px; padding: 5px 0; transition: color 0.25s ease; }
.footer-link:hover { color: var(--color-primary); }
.footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  transition: all 0.25s ease;
}
.footer-social:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-soft); }

/* ===== Animations ===== */
@keyframes floatUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: floatUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ===== Responsive tweaks ===== */
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .sys-panel { border-radius: 16px; padding: 28px 20px; }
  .hero-float-card { bottom: 12px; left: 12px; padding: 10px 14px; }
  .hero-float-card .value { font-size: 18px !important; }
  .faq-item summary { padding: 16px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 18px; font-size: 13px; }
  .download-panel { padding: 40px 16px; border-radius: 16px; }
  .platform-btn { width: 100%; justify-content: center; }
  .testimonial-card { padding: 22px; }
  .card-hover .p-6 { padding: 20px; }
}
@media (min-width: 641px) and (max-width: 1023px) {
  .platform-btn { flex: 1; justify-content: center; }
}

/* roulang page: category1 */
:root {
            --color-primary: #00B894;
            --color-primary-hover: #00A382;
            --color-primary-soft: rgba(0, 184, 148, 0.12);
            --color-bg-dark: #0B1220;
            --color-bg-body: #F2F6F8;
            --color-bg-card: #FFFFFF;
            --color-accent: #D4FF3F;
            --color-text-primary: #0F172A;
            --color-text-secondary: #475569;
            --color-text-muted: #8A94A6;
            --color-border: #E2E8F0;
            --color-border-strong: #CBD5E1;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            background: var(--color-bg-body);
            color: var(--color-text-primary);
            line-height: 1.6;
            margin: 0;
        }

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

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

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

        .container-fluid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        @media (min-width: 768px) {
            .container-fluid {
                padding: 0 2rem;
            }
        }

        /* Dock Navigation */
        .dock-header {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: 92%;
            max-width: 868px;
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(11, 18, 32, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 0.5rem 0.75rem 0.5rem 1.25rem;
            box-shadow: 0 12px 40px rgba(2, 6, 17, 0.36);
            transition: box-shadow .3s ease;
        }

        .dock-nav:hover {
            box-shadow: 0 14px 44px rgba(2, 6, 17, 0.45);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #fff;
            font-weight: 800;
            font-size: 1.08rem;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .dock-logo:hover {
            opacity: 0.9;
        }

        .dock-links {
            display: none;
            align-items: center;
            gap: 1.5rem;
        }

        .dock-link {
            color: #cbd5e1;
            font-size: 0.87rem;
            font-weight: 500;
            transition: color .2s ease;
            white-space: nowrap;
        }

        .dock-link:hover {
            color: #fff;
        }

        .dock-link.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .dock-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 999px;
            color: #e2e8f0;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all .2s ease;
        }

        .dock-icon-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-primary);
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.5rem 1.1rem;
            border-radius: 999px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: background .2s ease, transform .2s ease;
        }

        .dock-cta:hover {
            background: var(--color-primary-hover);
            transform: translateX(-2px);
        }

        @media (min-width: 768px) {
            .dock-links {
                display: flex;
            }

            .dock-nav {
                width: 84%;
            }
        }

        @media (min-width: 1024px) {
            .dock-header {
                width: 58%;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0B1220 0%, #101c33 55%, #0b1f2a 100%);
            padding: 7.5rem 0 3.5rem;
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            bottom: -120px;
            left: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1.5px dashed rgba(0, 184, 148, 0.16);
            pointer-events: none;
        }

        .page-banner .container-fluid {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: #94a3b8;
            margin-bottom: 1.5rem;
        }

        .breadcrumb a {
            color: #94a3b8;
            transition: color .2s ease;
        }

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

        .breadcrumb .sep {
            color: #475569;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin: 0 0 0.75rem;
            line-height: 1.25;
        }

        .page-banner .subtitle {
            font-size: 1rem;
            color: #94a3b8;
            max-width: 560px;
            line-height: 1.8;
            margin: 0;
        }

        @media (min-width: 768px) {
            .page-banner h1 {
                font-size: 2.8rem;
            }

            .page-banner .subtitle {
                font-size: 1.08rem;
            }
        }

        /* Section Title */
        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .section-bar {
            width: 4px;
            height: 22px;
            border-radius: 999px;
            background: var(--color-primary);
            flex-shrink: 0;
        }

        .section-title-wrap h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--color-text-primary);
            margin: 0;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title-wrap h2 {
                font-size: 1.75rem;
            }
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.4rem;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
            border-color: rgba(0, 184, 148, 0.45);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 1.15rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 0.5rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
        }

        @media (min-width: 768px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.4rem;
            }
        }

        /* Scenario List (left-thumb style) */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .scenario-item {
            display: flex;
            flex-direction: column;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .scenario-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(15, 23, 42, 0.09);
            border-color: rgba(0, 184, 148, 0.4);
        }

        .scenario-thumb {
            width: 100%;
            height: 200px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .scenario-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .scenario-item:hover .scenario-thumb img {
            transform: scale(1.04);
        }

        .scenario-body {
            padding: 1.25rem 1.35rem;
        }

        .scenario-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 0.4rem;
        }

        .scenario-body p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0 0 0.75rem;
        }

        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .scenario-tag {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.24rem 0.65rem;
            border-radius: 999px;
        }

        @media (min-width: 640px) {
            .scenario-item {
                flex-direction: row;
                align-items: stretch;
            }

            .scenario-thumb {
                width: 230px;
                height: auto;
                min-height: 170px;
            }
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.3rem;
            transition: border-color .25s ease, box-shadow .25s ease;
            counter-increment: step;
        }

        .process-step:hover {
            border-color: rgba(0, 184, 148, 0.4);
            box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
        }

        .process-step::before {
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 1rem;
            right: 1.2rem;
            font-size: 2rem;
            font-weight: 800;
            font-family: "Inter", "Roboto Mono", monospace;
            color: rgba(0, 184, 148, 0.14);
            line-height: 1;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 0.35rem;
        }

        .process-step p {
            font-size: 0.88rem;
            line-height: 1.65;
            color: var(--color-text-secondary);
            margin: 0;
            padding-right: 2rem;
        }

        @media (min-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.2rem;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 184, 148, 0.35);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.3rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-primary);
            cursor: pointer;
            list-style: none;
            transition: color .2s ease;
        }

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

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

        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(135deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-item .faq-answer {
            padding: 0 1.3rem 1.2rem;
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 1.1rem;
        }

        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 0.85rem;
            padding-left: 0.75rem;
            border-left: 3px solid var(--color-primary);
        }

        .sidebar-card p {
            font-size: 0.88rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 0.5rem 0.6rem;
            border-radius: 0.6rem;
            transition: all .2s ease;
        }

        .sidebar-nav a i {
            font-size: 0.7rem;
            color: var(--color-primary);
            opacity: 0.7;
        }

        .sidebar-nav a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            transform: translateX(3px);
        }

        .sidebar-download {
            background: linear-gradient(135deg, rgba(0, 184, 148, 0.12), rgba(0, 184, 148, 0));
            border: 1px solid rgba(0, 184, 148, 0.3);
            text-align: center;
        }

        .sidebar-download h3 {
            border-left: none;
            padding-left: 0;
            text-align: center;
        }

        .sidebar-download p {
            font-size: 0.84rem;
            line-height: 1.65;
            margin-bottom: 1rem;
        }

        .sidebar-download .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.6rem 1.4rem;
            border-radius: 999px;
            transition: all .25s ease;
        }

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

        /* CTA Section */
        .category-cta {
            background: linear-gradient(135deg, rgba(0, 184, 148, 0.12), rgba(0, 184, 148, 0) 65%);
            border: 1px solid rgba(0, 184, 148, 0.25);
            border-radius: 1.5rem;
            padding: 2.2rem 1.8rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .category-cta::before {
            content: "";
            position: absolute;
            top: -50px;
            right: -50px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 1.5px dashed rgba(0, 184, 148, 0.25);
            pointer-events: none;
        }

        .category-cta h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-primary);
            margin: 0 0 0.5rem;
        }

        .category-cta p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            margin: 0 auto 1.4rem;
            max-width: 480px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }

        .btn-solid {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 0.7rem 1.6rem;
            border-radius: 999px;
            transition: all .25s ease;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: transparent;
            color: var(--color-primary);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 0.7rem 1.6rem;
            border-radius: 999px;
            border: 1.5px solid var(--color-primary);
            transition: all .25s ease;
        }

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

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 1rem;
        }

        .footer-link {
            display: block;
            color: #94a3b8;
            font-size: 0.86rem;
            margin-bottom: 0.6rem;
            transition: color .2s ease;
        }

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

        .footer-social {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #cbd5e1;
            font-size: 0.9rem;
            transition: all .25s ease;
        }

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

        /* Responsive */
        @media (max-width: 640px) {
            .page-banner {
                padding-top: 6.5rem;
                padding-bottom: 2.6rem;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .category-cta h2 {
                font-size: 1.2rem;
            }

            .category-cta {
                padding: 1.8rem 1.2rem;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #00B894;
    --color-primary-hover: #00A382;
    --color-primary-soft: rgba(0, 184, 148, 0.12);
    --color-bg-dark: #0B1220;
    --color-bg-body: #F2F6F8;
    --color-bg-card: #FFFFFF;
    --color-accent: #D4FF3F;
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #8A94A6;
    --color-border: #E2E8F0;
    --color-border-strong: #CBD5E1;
    --radius-card: 1rem;
    --radius-panel: 1.5rem;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--color-bg-body);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container-fluid {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 768px) {
    .container-fluid {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container-fluid {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* ===== Dock Navigation ===== */
.dock-header {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: 92%;
    max-width: 720px;
}

.dock-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.65rem 1rem;
    border-radius: 9999px;
    background: rgba(11, 18, 32, 0.82);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.dock-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.dock-logo:hover {
    color: var(--color-primary);
}

.dock-links {
    display: none;
    align-items: center;
    gap: 1.25rem;
}

.dock-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #cbd5e1;
    padding: 0.35rem 0.5rem;
    border-radius: 9999px;
    white-space: nowrap;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.dock-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.dock-link.active {
    color: var(--color-primary);
    font-weight: 700;
}

.dock-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    transition: all 0.2s ease;
}

.dock-icon-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.dock-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary);
    padding: 0.55rem 1rem;
    border-radius: 9999px;
    white-space: nowrap;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(0, 184, 148, 0.35);
}

.dock-cta:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 184, 148, 0.45);
}

.dock-cta:focus-visible,
.dock-icon-btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.40);
}

@media (min-width: 768px) {
    .dock-header {
        width: 92%;
        max-width: 780px;
    }
    .dock-links {
        display: flex;
    }
}

@media (min-width: 1024px) {
    .dock-header {
        width: 72%;
    }
}

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    overflow: hidden;
    padding: 7.5rem 0 4rem;
    background: var(--color-bg-dark);
}

.article-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.30;
}

.article-hero::after {
    content: '';
    position: absolute;
    top: -180px;
    right: -120px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 184, 148, 0.18) 0%, rgba(0, 184, 148, 0) 70%);
    pointer-events: none;
}

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

.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

.breadcrumb-nav a {
    color: #94a3b8;
    transition: color 0.2s ease;
}

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

.breadcrumb-nav .sep {
    color: rgba(255, 255, 255, 0.30);
}

.breadcrumb-nav .current {
    color: var(--color-primary);
    font-weight: 600;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-hero h1 {
    font-size: 1.875rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
    letter-spacing: -0.02em;
    max-width: 860px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

@media (min-width: 768px) {
    .article-hero h1 {
        font-size: 2.75rem;
        line-height: 1.25;
    }
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1.75rem;
    font-size: 0.8125rem;
    color: #94a3b8;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.article-meta i {
    color: var(--color-primary);
}

/* ===== 正文区 ===== */
.article-card {
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-card);
    padding: 2rem;
    position: relative;
    z-index: 5;
    margin-top: -2.5rem;
}

@media (min-width: 768px) {
    .article-card {
        padding: 3rem 3.5rem;
    }
}

.article-body p {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.article-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 2.5rem 0 1.25rem;
    padding-left: 1rem;
    border-left: 4px solid var(--color-primary);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 2rem 0 0.875rem;
    line-height: 1.45;
}

.article-body img {
    border-radius: 1rem;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.article-body ul {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.article-body ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.625rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.article-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.625rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
}

.article-body ol {
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
}

.article-body ol li {
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--color-primary-soft);
    padding: 1.25rem 1.5rem;
    border-radius: 0 0.875rem 0.875rem 0;
    margin: 1.75rem 0;
    color: var(--color-text-primary);
    font-weight: 500;
    font-size: 1rem;
    line-height: 1.8;
}

.article-body code {
    background: var(--color-bg-dark);
    color: var(--color-accent);
    padding: 0.2em 0.45em;
    border-radius: 0.375rem;
    font-size: 0.875em;
    font-family: "Roboto Mono", "Consolas", monospace;
}

.article-body pre {
    background: var(--color-bg-dark);
    border-radius: 0.875rem;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 1.75rem 0;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.article-body pre code {
    background: transparent;
    color: #e2e8f0;
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.7;
}

.article-body a {
    color: var(--color-primary);
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.article-body a:hover {
    border-bottom-color: var(--color-primary);
}

.article-body table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 1.75rem 0;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    overflow: hidden;
    font-size: 0.9375rem;
}

.article-body th {
    background: var(--color-primary-soft);
    font-weight: 700;
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    text-align: left;
}

.article-body td {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

/* ===== 标签 ===== */
.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    padding: 0.35rem 0.875rem;
    border-radius: 9999px;
    transition: all 0.25s ease;
}

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

/* ===== 上一篇/下一篇 ===== */
.prev-next-card {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    padding: 1.25rem 1.5rem;
    border-radius: 1rem;
    background: var(--color-bg-body);
    border: 1px solid var(--color-border);
    transition: all 0.25s ease;
}

.prev-next-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.prev-next-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.prev-next-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.prev-next-card:hover .prev-next-title {
    color: var(--color-primary);
}

/* ===== 相关阅读 ===== */
.related-section {
    padding: 4rem 0 2rem;
}

.related-section .section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 2rem;
}

.section-title-bar {
    width: 4px;
    height: 22px;
    border-radius: 2px;
    background: var(--color-primary);
    display: inline-block;
    flex-shrink: 0;
}

.related-card {
    display: block;
    background: #fff;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

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

.related-card-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-bottom: 1px solid var(--color-border);
    transition: transform 0.4s ease;
}

.related-card:hover .related-card-img {
    transform: scale(1.02);
}

.related-card-body {
    padding: 1.25rem;
}

.related-card-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

.related-card:hover .related-card-title {
    color: var(--color-primary);
}

.related-card-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* ===== CTA Section ===== */
.cta-section {
    margin-top: 3rem;
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.12), rgba(0, 184, 148, 0) 60%);
    border-top: 1px solid rgba(0, 184, 148, 0.25);
    border-bottom: 1px solid rgba(0, 184, 148, 0.25);
    padding: 4rem 0;
}

.cta-section h2 {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--color-text-primary);
    text-align: center;
    letter-spacing: -0.02em;
}

.cta-section p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 0.75rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary);
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    box-shadow: 0 4px 20px rgba(0, 184, 148, 0.35);
    transition: all 0.25s ease;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px) translateX(-2px);
    box-shadow: 0 6px 24px rgba(0, 184, 148, 0.45);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    background: transparent;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    border: 1px solid var(--color-primary);
    transition: all 0.25s ease;
}

.btn-secondary:hover {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--color-bg-dark);
    padding: 4rem 0 2rem;
    margin-top: 0;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.footer-link {
    display: block;
    font-size: 0.875rem;
    color: #94a3b8;
    padding: 0.375rem 0;
    transition: color 0.2s ease;
}

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

.footer-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: #94a3b8;
    font-size: 0.9375rem;
    transition: all 0.25s ease;
}

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

/* ===== 响应式 ===== */
@media (max-width: 640px) {
    .dock-header {
        width: 94%;
    }
    .dock-nav {
        padding: 0.5rem 0.75rem;
    }
    .dock-logo {
        font-size: 0.9375rem;
    }
    .dock-logo svg {
        width: 24px;
        height: 24px;
    }
    .article-hero {
        padding: 6.5rem 0 3rem;
    }
    .article-card {
        padding: 1.5rem;
        margin-top: -1.5rem;
        border-radius: 1.25rem;
    }
    .article-body p {
        font-size: 1rem;
        line-height: 1.8;
    }
    .article-body h2 {
        font-size: 1.25rem;
    }
    .article-body h3 {
        font-size: 1.1rem;
    }
    .cta-section h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 520px) {
    .article-meta {
        gap: 0.875rem;
    }
    .article-meta span {
        font-size: 0.75rem;
    }
    .prev-next-card {
        padding: 1rem 1.125rem;
    }
    .related-card-img {
        height: 130px;
    }
}

/* roulang page: category2 */
:root {
      --color-primary: #00B894;
      --color-primary-hover: #00A382;
      --color-primary-soft: rgba(0, 184, 148, 0.12);
      --color-bg-dark: #0B1220;
      --color-bg-body: #F2F6F8;
      --color-bg-card: #FFFFFF;
      --color-accent: #D4FF3F;
      --color-text-primary: #0F172A;
      --color-text-secondary: #475569;
      --color-text-muted: #8A94A6;
      --color-border: #E2E8F0;
      --color-border-strong: #CBD5E1;
      --radius-card: 1rem;
      --radius-lg: 1.25rem;
      --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 20px 40px -18px rgba(15, 23, 42, 0.22);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
      background: var(--color-bg-body);
      color: var(--color-text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color .2s ease; }
    a:hover { color: var(--color-primary); }
    button { font-family: inherit; cursor: pointer; }
    ul, ol { list-style: none; }

    .container-fluid { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    @media (max-width: 640px) { .container-fluid { padding: 0 18px; } }

    .section { padding: 88px 0; }
    .section-alt { background: #FFFFFF; }
    .section-muted { background: #F2F6F8; }
    .section-head { max-width: 720px; margin-bottom: 48px; }
    .section-tag {
      display: inline-flex; align-items: center; gap: 6px;
      background: var(--color-primary-soft); color: var(--color-primary);
      font-size: 13px; font-weight: 700; padding: 5px 14px; border-radius: 999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 30px; font-weight: 800; line-height: 1.25; letter-spacing: -0.5px;
      color: var(--color-text-primary); position: relative; padding-left: 20px;
    }
    .section-title::before {
      content: ''; position: absolute; left: 0; top: 8px; width: 4px; height: 22px;
      border-radius: 4px; background: var(--color-primary);
    }
    .section-desc { margin-top: 14px; color: var(--color-text-secondary); font-size: 16px; line-height: 1.8; }
    @media (max-width: 768px) {
      .section { padding: 64px 0; }
      .section-title { font-size: 24px; }
    }

    /* ===== Dock 导航 ===== */
    .dock-header {
      position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
      z-index: 999; width: 100%; padding: 0 20px;
    }
    .dock-nav {
      height: 60px; max-width: 928px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      padding: 0 16px;
      background: rgba(11, 18, 32, 0.82); backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 999px;
      box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.5);
    }
    .dock-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 18px; letter-spacing: 0.2px; white-space: nowrap; transition: opacity .2s; }
    .dock-logo:hover { color: #fff; opacity: 0.85; }
    .dock-links { display: flex; align-items: center; gap: 26px; }
    .dock-link { color: #CBD5E1; font-size: 14px; font-weight: 500; transition: all .2s; position: relative; white-space: nowrap; }
    .dock-link:hover { color: #fff; }
    .dock-link.active { color: var(--color-primary); font-weight: 700; }
    .dock-link.active::after {
      content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
      height: 2px; border-radius: 2px; background: var(--color-primary);
    }
    .dock-icon-btn {
      width: 36px; height: 36px; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      color: #CBD5E1; background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.08); transition: all .2s;
    }
    .dock-icon-btn:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
    .dock-cta {
      display: inline-flex; align-items: center; gap: 4px;
      background: var(--color-primary); color: #fff;
      font-size: 13px; font-weight: 700; padding: 9px 18px; border-radius: 999px;
      transition: all .25s; box-shadow: 0 4px 14px rgba(0, 184, 148, 0.35);
    }
    .dock-cta:hover { background: var(--color-primary-hover); color: #fff; transform: translateX(-2px); }
    @media (max-width: 768px) {
      .dock-header { top: 10px; padding: 0 12px; }
      .dock-nav { height: 54px; padding: 0 10px; gap: 10px; }
      .dock-logo { font-size: 16px; gap: 8px; }
      .dock-logo svg { width: 24px; height: 24px; }
      .dock-links { display: none; }
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      font-weight: 700; border-radius: 999px; padding: 13px 28px; font-size: 15px;
      transition: all .25s; border: 1px solid transparent; cursor: pointer; white-space: nowrap;
    }
    .btn-primary { background: var(--color-primary); color: #fff; box-shadow: 0 4px 16px rgba(0, 184, 148, 0.3); }
    .btn-primary:hover { background: var(--color-primary-hover); color: #fff; transform: translateX(-2px); }
    .btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.35); }
    .btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--color-primary); color: #fff; }
    .btn-outline { background: transparent; color: var(--color-primary); border-color: rgba(0, 184, 148, 0.45); }
    .btn-outline:hover { background: var(--color-primary-soft); border-color: var(--color-primary); color: var(--color-primary); }
    .btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.4); }
    @media (max-width: 520px) { .btn { width: 100%; } }

    /* ===== 分类页 Hero ===== */
    .category-hero { position: relative; overflow: hidden; padding: 148px 0 96px; background: var(--color-bg-dark); }
    .category-hero .bg-layer {
      position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.35;
    }
    .category-hero .overlay {
      position: absolute; inset: 0;
      background: linear-gradient(160deg, rgba(11, 18, 32, 0.88) 0%, rgba(11, 18, 32, 0.9) 45%, rgba(11, 18, 32, 0.78) 100%);
    }
    .category-hero::after {
      content: ''; position: absolute; width: 420px; height: 420px; right: -120px; top: -120px;
      border-radius: 50%; border: 1px dashed rgba(0, 184, 148, 0.3); pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 2; text-align: center; max-width: 880px; margin: 0 auto; }
    .breadcrumb { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-bottom: 26px; }
    .breadcrumb i { font-size: 10px; color: rgba(255, 255, 255, 0.35); }
    .breadcrumb a:hover { color: var(--color-primary); }
    .category-hero h1 { color: #fff; font-size: 42px; font-weight: 800; letter-spacing: -1px; line-height: 1.22; margin-bottom: 20px; }
    .category-hero h1 .brand { color: var(--color-primary); }
    .category-hero .lead { color: rgba(255, 255, 255, 0.74); font-size: 18px; line-height: 1.8; margin-bottom: 34px; }
    .hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
    @media (max-width: 768px) {
      .category-hero { padding: 122px 0 72px; }
      .category-hero h1 { font-size: 28px; }
      .category-hero .lead { font-size: 15px; }
    }

    /* ===== 卡片 ===== */
    .card { background: var(--color-bg-card); border-radius: var(--radius-card); border: 1px solid var(--color-border); box-shadow: var(--shadow-card); transition: all .3s; overflow: hidden; }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(0, 184, 148, 0.35); }
    .card-body { padding: 28px; }
    .card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: var(--color-primary-soft); color: var(--color-primary); font-size: 22px; margin-bottom: 20px; }
    .card h3 { font-size: 18px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 10px; line-height: 1.4; }
    .card p { font-size: 14px; line-height: 1.75; color: var(--color-text-secondary); }
    .card-feature-list { margin-top: 16px; border-top: 1px dashed var(--color-border); padding-top: 12px; }
    .card-feature-list li { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-secondary); padding: 5px 0; }
    .card-feature-list li i { color: var(--color-primary); font-size: 12px; width: 14px; text-align: center; }

    .scene-card .card-img { height: 190px; overflow: hidden; position: relative; background: var(--color-bg-dark); }
    .scene-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
    .scene-card:hover .card-img img { transform: scale(1.05); }
    .scene-card .card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11, 18, 32, 0.35)); }
    .scene-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .badge { display: inline-flex; align-items: center; gap: 4px; background: var(--color-primary-soft); color: var(--color-primary); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; }

    /* ===== 信任数据条 ===== */
    .trust-bar { background: var(--color-bg-dark); padding: 52px 0; position: relative; overflow: hidden; }
    .trust-bar::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 184, 148, 0.6), transparent); }
    .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
    .trust-item .num { color: #fff; font-size: 36px; font-weight: 800; font-family: "Inter", "Roboto Mono", monospace; letter-spacing: -1px; line-height: 1.2; }
    .trust-item .num em { font-style: normal; color: var(--color-accent); }
    .trust-item .label { color: rgba(255, 255, 255, 0.55); font-size: 13px; margin-top: 8px; }
    @media (max-width: 768px) { .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; } .trust-item .num { font-size: 28px; } }

    /* ===== 部署流程 ===== */
    .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .step-card { position: relative; padding: 28px 22px 24px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); transition: all .3s; }
    .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(0, 184, 148, 0.35); }
    .step-num { width: 44px; height: 44px; border-radius: 12px; background: var(--color-bg-dark); color: var(--color-accent); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 18px; font-family: "Roboto Mono", monospace; margin-bottom: 16px; }
    .step-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--color-text-primary); }
    .step-card p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
    @media (max-width: 768px) { .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; } }
    @media (max-width: 520px) { .steps-grid { grid-template-columns: 1fr; } }

    /* ===== FAQ ===== */
    .faq-list { max-width: 860px; margin: 0 auto; }
    .faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; margin-bottom: 14px; transition: border-color .2s, box-shadow .2s; }
    .faq-item[open] { border-color: rgba(0, 184, 148, 0.4); box-shadow: 0 6px 24px -12px rgba(0, 184, 148, 0.2); }
    .faq-item summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; font-weight: 600; font-size: 15px; color: var(--color-text-primary); }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; transition: transform .3s, background .3s, color .3s; }
    .faq-item[open] .faq-icon { transform: rotate(45deg); background: var(--color-primary); color: #fff; }
    .faq-answer { padding: 0 24px 22px; font-size: 14px; line-height: 1.85; color: var(--color-text-secondary); }

    /* ===== 底部 CTA ===== */
    .cta-section { position: relative; padding: 88px 0; background: linear-gradient(135deg, rgba(0, 184, 148, 0.12), rgba(0, 184, 148, 0) 60%), var(--color-bg-body); border-top: 1px solid rgba(0, 184, 148, 0.25); }
    .cta-inner { text-align: center; max-width: 780px; margin: 0 auto; }
    .cta-section h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; color: var(--color-text-primary); }
    .cta-section .lead { color: var(--color-text-secondary); margin-top: 14px; font-size: 16px; line-height: 1.8; }
    .cta-actions { display: flex; justify-content: center; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
    .cta-version { margin-top: 18px; font-size: 12px; color: var(--color-text-muted); }
    @media (max-width: 768px) { .cta-section { padding: 64px 0; } .cta-section h2 { font-size: 26px; } }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--color-bg-dark); padding: 72px 0 30px; }
    .footer-title { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.3px; }
    .footer-link { display: flex; color: #94A3B8; font-size: 14px; padding: 6px 0; transition: all .2s; }
    .footer-link:hover { color: var(--color-primary); }
    .footer-social { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.06); color: #94A3B8; font-size: 16px; border: 1px solid rgba(255, 255, 255, 0.08); transition: all .2s; }
    .footer-social:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-soft); }

/* roulang page: category3 */
:root {
            --color-primary: #00B894;
            --color-primary-hover: #00A382;
            --color-primary-soft: rgba(0, 184, 148, 0.12);
            --color-bg-dark: #0B1220;
            --color-bg-body: #F2F6F8;
            --color-bg-card: #FFFFFF;
            --color-accent: #D4FF3F;
            --color-text-primary: #0F172A;
            --color-text-secondary: #475569;
            --color-text-muted: #8A94A6;
            --color-border: #E2E8F0;
            --radius-card: 1rem;
            --radius-panel: 1.5rem;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 20px 30px -12px rgba(15, 23, 42, 0.18);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "Inter", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg-body);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container-fluid {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* === Dock 导航 === */
        .dock-header {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 50;
            width: 92%;
            max-width: 1200px;
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0.8rem 0.6rem 1.25rem;
            border-radius: 999px;
            background: rgba(11, 18, 32, 0.82);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .dock-nav:hover {
            border-color: rgba(0, 184, 148, 0.4);
            box-shadow: 0 16px 40px rgba(0, 184, 148, 0.12);
        }

        .dock-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            white-space: nowrap;
        }

        .dock-logo svg {
            flex-shrink: 0;
        }

        .dock-links {
            display: none;
            align-items: center;
            gap: 0.5rem;
        }

        .dock-link {
            font-size: 0.85rem;
            font-weight: 500;
            color: #CBD5E1;
            padding: 0.45rem 0.7rem;
            border-radius: 999px;
            transition: color .2s ease, background .2s ease;
        }

        .dock-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .dock-link.active {
            color: var(--color-primary);
            font-weight: 700;
            background: var(--color-primary-soft);
        }

        .dock-icon-btn {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            color: #CBD5E1;
            transition: background .2s ease, color .2s ease;
        }

        .dock-icon-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-primary);
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            box-shadow: 0 4px 14px rgba(0, 184, 148, 0.35);
        }

        .dock-cta:hover {
            background: var(--color-primary-hover);
            transform: translateX(-2px);
            box-shadow: 0 6px 20px rgba(0, 184, 148, 0.45);
        }

        @media (min-width: 1024px) {
            .dock-header {
                width: 56%;
                min-width: 760px;
            }
        }

        @media (max-width: 1023px) {
            .dock-links {
                display: none !important;
            }
        }

        @media (max-width: 480px) {
            .dock-header {
                width: 94%;
                top: 0.6rem;
            }
            .dock-nav {
                padding-left: 1rem;
                padding-right: 0.8rem;
            }
            .dock-logo {
                font-size: 1rem;
            }
        }

        /* === 通用按钮 === */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 999px;
            padding: 0.75rem 1.6rem;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            line-height: 1.2;
            transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 6px 18px rgba(0, 184, 148, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 184, 148, 0.4);
        }

        .btn-primary:focus-visible {
            outline: none;
            ring: 2px solid var(--color-primary);
            ring-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 999px;
            padding: 0.75rem 1.6rem;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            font-weight: 700;
            font-size: 0.9rem;
            transition: background .25s ease, color .25s ease, border-color .25s ease;
        }

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

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

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* === Hero === */
        .page-hero {
            position: relative;
            background-color: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(0, 184, 148, 0.15) 0%, transparent 50%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center top;
            padding: 8.5rem 0 4rem;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -100px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.2) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: #94A3B8;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            padding: 0.35rem 1rem;
            margin-bottom: 1.6rem;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .breadcrumb a {
            transition: color .2s;
        }

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

        .breadcrumb i {
            font-size: 0.6rem;
            color: #64748B;
        }

        .page-hero h1 {
            color: #fff;
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .page-hero h1 span {
            color: var(--color-primary);
            text-shadow: 0 0 24px rgba(0, 184, 148, 0.5);
        }

        .page-hero-sub {
            color: #94A3B8;
            font-size: 1rem;
            line-height: 1.8;
            max-width: 640px;
            margin-top: 0.75rem;
        }

        .hero-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(0, 184, 148, 0.12);
            border: 1px solid rgba(0, 184, 148, 0.25);
            color: #99F6E4;
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
        }

        /* === 板块通用 === */
        .section-block {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-block {
                padding: 5.5rem 0;
            }
        }

        .bg-body-alt {
            background: linear-gradient(180deg, #F2F6F8 0%, #EAF0F3 100%);
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .section-title-wrap {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .section-title-bar {
            width: 4px;
            height: 26px;
            border-radius: 4px;
            background: var(--color-primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.1rem;
            }
        }

        .section-sub {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 0.4rem;
        }

        /* === 分类页数据卡 === */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        @media (min-width: 768px) {
            .stat-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .stat-card {
            background: #0E1628;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 1rem;
            padding: 1.2rem 1rem;
            text-align: center;
            transition: border-color .3s, transform .3s, box-shadow .3s;
        }

        .stat-card:hover {
            border-color: rgba(0, 184, 148, 0.5);
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
        }

        .stat-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.3;
        }

        .stat-label {
            font-size: 0.75rem;
            color: #94A3B8;
            margin-top: 0.35rem;
        }

        /* === 能力卡片 === */
        .cap-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            height: 100%;
        }

        .cap-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 184, 148, 0.35);
        }

        .cap-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            margin-bottom: 1rem;
        }

        .cap-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .cap-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* === 流程步骤 === */
        .step-wrap {
            position: relative;
            display: grid;
            gap: 1.5rem;
            grid-template-columns: 1fr;
        }

        @media (min-width: 768px) {
            .step-wrap {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .step-item {
            position: relative;
            padding: 1.5rem;
            border-radius: 1rem;
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: transform .3s, border-color .3s;
        }

        .step-item:hover {
            transform: translateY(-3px);
            border-color: rgba(0, 184, 148, 0.3);
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 999px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.85rem;
            box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
        }

        .step-item h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .step-item p {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* === 场景卡 === */
        .scene-grid {
            display: grid;
            gap: 1.25rem;
            grid-template-columns: 1fr;
        }

        @media (min-width: 760px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .scene-card {
            border-radius: 1.25rem;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s, transform .3s;
            display: flex;
            flex-direction: column;
        }

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

        .scene-img {
            height: 190px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scene-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 32, 0.05) 0%, rgba(11, 18, 32, 0.65) 100%);
        }

        .scene-body {
            padding: 1.3rem 1.4rem;
            flex: 1;
        }

        .scene-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.45rem;
        }

        .scene-body p {
            font-size: 0.83rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* === 侧栏卡片 === */
        .side-card {
            background: #fff;
            border-radius: 1.25rem;
            border: 1px solid var(--color-border);
            padding: 1.4rem;
            box-shadow: var(--shadow-card);
            margin-bottom: 1.25rem;
            transition: box-shadow .3s;
        }

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

        .side-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .side-card h3 i {
            color: var(--color-primary);
        }

        .side-list a {
            display: block;
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            padding: 0.4rem 0;
            border-bottom: 1px dashed #E8EDF2;
            transition: color .2s, padding-left .2s;
        }

        .side-list a:last-child {
            border-bottom: none;
        }

        .side-list a:hover {
            color: var(--color-primary);
            padding-left: 6px;
        }

        .side-download-btn {
            width: 100%;
            margin-top: 0.5rem;
        }

        /* === FAQ === */
        .faq-list {
            display: grid;
            gap: 0.8rem;
        }

        .faq-item {
            background: #fff;
            border-radius: 1rem;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }

        .faq-item:hover {
            border-color: rgba(0, 184, 148, 0.3);
            box-shadow: var(--shadow-card);
        }

        .faq-item details {
            padding: 0;
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.3rem;
            font-weight: 600;
            font-size: 0.92rem;
            cursor: pointer;
            color: var(--color-text-primary);
        }

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

        .faq-item summary i {
            color: var(--color-primary);
            font-size: 0.9rem;
            transition: transform .3s ease;
            flex-shrink: 0;
        }

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

        .faq-item details p {
            padding: 0 1.3rem 1.2rem;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* === CTA === */
        .cta-dev {
            background: linear-gradient(135deg, rgba(0, 184, 148, 0.14), rgba(0, 184, 148, 0.02) 60%), var(--color-bg-dark);
            border-radius: 1.75rem;
            padding: 3.2rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 184, 148, 0.25);
        }

        .cta-dev::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 1px dashed rgba(0, 184, 148, 0.4);
            animation: spin 24s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .cta-dev h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 2;
        }

        .cta-dev p {
            color: #94A3B8;
            max-width: 560px;
            margin: 0 auto 1.8rem;
            font-size: 0.95rem;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }

        .cta-dev .btn-group {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
        }

        /* === 页脚 === */
        .site-footer {
            background: var(--color-bg-dark);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-title {
            color: #E2E8F0;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

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

        .footer-link {
            display: block;
            color: #94A3B8;
            font-size: 0.82rem;
            padding: 0.4rem 0;
            transition: color .2s, padding-left .25s;
        }

        .footer-link:hover {
            color: var(--color-primary);
            padding-left: 6px;
        }

        .footer-social {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #94A3B8;
            font-size: 0.9rem;
            transition: all .25s;
        }

        .footer-social:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        /* === 杂志布局 === */
        .mag-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 900px) {
            .mag-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mag-feature {
                grid-column: span 2;
            }
        }

        /* === 通用卡片交互动效 === */
        .hover-lift {
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        /* === 移动端适配 === */
        @media (max-width: 640px) {
            .page-hero {
                padding-top: 7rem;
                padding-bottom: 3rem;
            }
            .page-hero-inner {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .section-block {
                padding: 3rem 0;
            }
            .container-fluid {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .cta-dev {
                padding: 2.4rem 1.2rem;
                border-radius: 1.25rem;
            }
            .cta-dev h2 {
                font-size: 1.4rem;
            }
        }