/* roulang page: index */
:root {
  --color-ink: #0a1428;
  --color-ink-2: #0f1d36;
  --color-glass: rgba(255, 255, 255, 0.05);
  --color-glass-border: rgba(255, 255, 255, 0.10);
  --color-glass-highlight: rgba(255, 255, 255, 0.12);
  --color-electric: #00b4ff;
  --color-electric-deep: #0078ff;
  --color-electric-rgb: 0, 180, 255;
  --color-gold: #ffc861;
  --color-text-1: #eaf2fc;
  --color-text-2: #9fb3cf;
  --color-text-3: #5d7496;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-ink);
  color: var(--color-text-1);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; outline: none; }
::selection { background: rgba(0, 180, 255, 0.3); }
.container { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 768px) { .container { padding-left: 24px; padding-right: 24px; } }
@media (min-width: 1024px) { .container { padding-left: 32px; padding-right: 32px; } }

/* 玻璃拟态卡片 */
.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--color-glass-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  transition: all 0.25s ease;
}
.glass-card:hover {
  border-color: rgba(0, 180, 255, 0.55);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.glass-card-lg {
  border-radius: 24px;
}

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #00b4ff, #0078ff);
  border-radius: 12px;
  color: #fff;
  font-weight: 600;
  padding: 12px 28px;
  box-shadow: 0 0 24px rgba(0, 180, 255, 0.35);
  transition: all 0.25s ease;
  font-size: 15px;
  line-height: 1.4;
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 32px rgba(0, 180, 255, 0.5);
  transform: translateY(-2px);
}
.btn-primary:active { transform: scale(0.97); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: var(--color-text-1);
  font-weight: 500;
  padding: 12px 28px;
  transition: all 0.25s ease;
  font-size: 15px;
}
.btn-secondary:hover {
  border-color: rgba(0, 180, 255, 0.55);
  background: rgba(0, 180, 255, 0.08);
  transform: translateY(-2px);
}
.btn-secondary:active { transform: scale(0.97); }
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-electric);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.25s ease;
}
.btn-text svg { transition: transform 0.25s ease; }
.btn-text:hover svg { transform: translateX(4px); }
.btn-text:hover { color: #38c6ff; }
:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 标签 */
.tag {
  display: inline-block;
  background: rgba(0, 180, 255, 0.12);
  color: var(--color-electric);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}
.tag:hover { background: rgba(0, 180, 255, 0.22); }
.tag-gold {
  background: rgba(255, 200, 97, 0.14);
  color: var(--color-gold);
}
.tag-gold:hover { background: rgba(255, 200, 97, 0.24); }

/* 导航 */
#siteHeader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}
#siteHeader.scrolled {
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-link {
  position: relative;
  color: var(--color-text-2);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 4px;
  transition: color 0.2s ease;
  letter-spacing: 0.02em;
}
.nav-link:hover { color: var(--color-text-1); }
.nav-link.active { color: var(--color-text-1); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-electric), transparent);
  border-radius: 2px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  height: 40px;
  padding: 0 14px;
  transition: all 0.25s ease;
  width: 200px;
}
.search-box:focus-within {
  border-color: rgba(0, 180, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.2);
}
.search-box input {
  background: transparent;
  border: none;
  color: var(--color-text-1);
  font-size: 13px;
  width: 100%;
  margin-left: 8px;
}
.search-box input::placeholder { color: var(--color-text-3); }

/* 汉堡菜单 */
#mobileDrawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background: var(--color-ink-2);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 200;
  transition: right 0.3s ease;
  padding: 24px;
  overflow-y: auto;
}
#mobileDrawer.open { right: 0; }

/* Hero */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10, 20, 40, 0.96), rgba(10, 20, 40, 0.75), rgba(10, 20, 40, 0.35));
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(10, 20, 40, 0.6));
}
.hero-content { position: relative; z-index: 2; width: 100%; }
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 720px;
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-2);
  max-width: 560px;
  margin-top: 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 12px;
  color: var(--color-text-2);
  gap: 6px;
}
.hero-stat {
  text-align: center;
  padding: 16px 12px;
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-1);
  font-family: 'Inter', 'PingFang SC', sans-serif;
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--color-text-3);
  margin-top: 4px;
}

/* 区块标题 */
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-1);
}
.section-subtitle {
  font-size: 15px;
  color: var(--color-text-2);
  margin-top: 8px;
}

/* 合集大卡 */
.collection-main-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  min-height: 320px;
}
.collection-main-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.collection-main-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 20, 40, 0.92), rgba(10, 20, 40, 0.25));
}
.collection-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  min-height: 200px;
}
.collection-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.collection-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 20, 40, 0.9), rgba(10, 20, 40, 0.15));
}

/* 新闻列表 */
.news-list-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: 16px;
  transition: background 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}
.news-list-item:hover {
  background: rgba(0, 180, 255, 0.04);
  border-color: rgba(0, 180, 255, 0.15);
}
.news-list-item img {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}
.news-content { flex: 1; min-width: 0; }
.news-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-1);
  line-height: 1.4;
  margin: 6px 0 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-content p {
  font-size: 14px;
  color: var(--color-text-2);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

/* 空态 */
.empty-box {
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  color: var(--color-text-3);
}
.empty-box svg { margin: 0 auto 12px; opacity: 0.4; }
.empty-box p { font-size: 14px; }

/* FAQ */
.faq-item {
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s ease;
}
.faq-item.open {
  border-color: rgba(0, 180, 255, 0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-1);
}
.faq-icon {
  transition: transform 0.3s ease;
  flex-shrink: 0;
  color: var(--color-electric);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
  font-size: 14px;
  color: var(--color-text-2);
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 20px 18px;
  background: rgba(0, 180, 255, 0.04);
}

/* 页脚 */
.site-footer {
  background: var(--color-ink-2);
  border-top: 1px solid rgba(0, 180, 255, 0.2);
  padding: 48px 0 24px;
}
.footer-link {
  color: var(--color-text-3);
  font-size: 14px;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.footer-link:hover {
  color: var(--color-electric);
}
.footer-link::before {
  content: '';
  width: 0;
  height: 1px;
  background: var(--color-electric);
  transition: width 0.25s ease;
}
.footer-link:hover::before {
  width: 0;
}
.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-1);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

/* 分享Popover */
.share-popover {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  background: var(--color-ink-2);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  padding: 16px;
  width: 280px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s ease;
  z-index: 50;
}
.share-popover.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 滚动动画 */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式 */
@media (max-width: 1024px) {
  .search-box { width: 150px; }
  .nav-links { gap: 16px !important; }
}
@media (max-width: 768px) {
  .hero-section { min-height: 60vh; }
  .news-list-item { flex-direction: row; }
  .news-list-item img { width: 100px; height: 70px; }
  .collection-main-card { min-height: 240px; }
  .collection-card { min-height: 180px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .hero-title { font-size: 2rem; }
  .news-list-item { flex-direction: column; }
  .news-list-item img { width: 100%; height: 120px; }
  .btn-primary, .btn-secondary { padding: 10px 20px; font-size: 14px; }
  .faq-question { font-size: 14px; padding: 16px; }
}

/* roulang page: category1 */
:root {
            --color-ink: #0a1428;
            --color-ink-2: #0f1d36;
            --color-glass: rgba(255, 255, 255, 0.05);
            --color-glass-border: rgba(255, 255, 255, 0.10);
            --color-glass-highlight: rgba(255, 255, 255, 0.12);
            --color-electric: #00b4ff;
            --color-electric-deep: #0078ff;
            --color-electric-rgb: 0, 180, 255;
            --color-gold: #ffc861;
            --color-text-1: #eaf2fc;
            --color-text-2: #9fb3cf;
            --color-text-3: #5d7496;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            background-color: var(--color-ink);
            color: var(--color-text-1);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 768px) {
            .container { padding: 0 24px; }
        }

        @media (min-width: 1024px) {
            .container { padding: 0 32px; }
        }

        /* Glass Card */
        .glass-card {
            background: var(--color-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--color-glass-border);
            border-radius: 16px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
        }

        .glass-card:hover {
            border-color: rgba(0, 180, 255, 0.55);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }

        /* Buttons */
        .btn-primary {
            background: linear-gradient(135deg, #00b4ff, #0078ff);
            border-radius: 12px;
            box-shadow: 0 0 24px rgba(0, 180, 255, 0.35);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 0 32px rgba(0, 180, 255, 0.45);
            transform: translateY(-1px);
        }

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

        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: var(--color-text-1);
            font-weight: 500;
            padding: 14px 32px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: rgba(0, 180, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-1px);
        }

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

        :focus-visible {
            outline: 3px solid rgba(0, 180, 255, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: all 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 20, 40, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-link {
            color: var(--color-text-2);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 4px;
            position: relative;
            transition: all 0.2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-text-1);
        }

        .nav-link.active {
            color: var(--color-electric);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-electric);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 180, 255, 0.6);
        }

        /* Search */
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 0 14px;
            height: 40px;
            transition: all 0.25s ease;
        }

        .search-box:focus-within {
            border-color: rgba(0, 180, 255, 0.6);
            box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.2);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-text-1);
            font-size: 14px;
            width: 180px;
        }

        .search-box input::placeholder {
            color: var(--color-text-3);
        }

        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 180, 255, 0.12);
            color: var(--color-electric);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            transition: background 0.2s ease;
        }

        .badge:hover {
            background: rgba(0, 180, 255, 0.2);
        }

        .badge-gold {
            background: rgba(255, 200, 97, 0.12);
            color: var(--color-gold);
        }

        /* FAQ */
        .faq-item {
            transition: all 0.25s ease;
        }

        .faq-item .faq-icon {
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease, background 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px 20px;
            background: rgba(0, 180, 255, 0.04);
        }

        /* Mobile menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: var(--color-ink-2);
            z-index: 200;
            transition: right 0.35s ease;
            padding: 24px;
            display: flex;
            flex-direction: column;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 190;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* Section spacing */
        .section {
            padding: 80px 0;
        }

        @media (min-width: 768px) {
            .section { padding: 96px 0; }
        }

        .text-gradient {
            background: linear-gradient(135deg, #00b4ff, #7dd3fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, var(--color-ink) 15%, rgba(10, 20, 40, 0.7) 55%, rgba(10, 20, 40, 0.4) 100%);
        }

        /* Timeline steps */
        .step-line {
            position: relative;
        }

        .step-line::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 40px;
            bottom: -20px;
            width: 1px;
            background: linear-gradient(to bottom, rgba(0, 180, 255, 0.4), transparent);
        }

        .step-line:last-child::before {
            display: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-ink-2);
            border-top: 1px solid rgba(0, 180, 255, 0.3);
            padding: 56px 0 24px;
        }

        .footer-link {
            color: var(--color-text-3);
            font-size: 14px;
            transition: color 0.2s ease;
            text-decoration: none;
            display: inline-block;
            position: relative;
        }

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

        /* CTA */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 20, 40, 0.88);
        }

        /* Animations */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .float-anim {
            animation: float 3s ease-in-out infinite;
        }

        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 24px rgba(0, 180, 255, 0.35); }
            50% { box-shadow: 0 0 38px rgba(0, 180, 255, 0.55); }
        }

        .pulse-glow {
            animation: pulse-glow 2.5s ease-in-out infinite;
        }

/* roulang page: article */
:root {
  --color-ink: #0a1428;
  --color-ink-2: #0f1d36;
  --color-glass: rgba(255,255,255,0.05);
  --color-glass-border: rgba(255,255,255,0.10);
  --color-glass-highlight: rgba(255,255,255,0.12);
  --color-electric: #00b4ff;
  --color-electric-deep: #0078ff;
  --color-electric-rgb: 0,180,255;
  --color-gold: #ffc861;
  --color-text-1: #eaf2fc;
  --color-text-2: #9fb3cf;
  --color-text-3: #5d7496;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  background: var(--color-ink);
  color: var(--color-text-1);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 768px) { .container { padding-left: 24px; padding-right: 24px; } }
@media (min-width: 1024px) { .container { padding-left: 32px; padding-right: 32px; } }
a { color: inherit; text-decoration: none; transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--color-glass-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  border-radius: 16px;
  transition: all 0.25s ease;
}
.glass-card:hover {
  border-color: rgba(0,180,255,0.55);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: linear-gradient(135deg, #00b4ff, #0078ff);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  box-shadow: 0 0 24px rgba(0,180,255,0.35);
  transition: all 0.25s ease;
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 32px rgba(0,180,255,0.5);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,180,255,0.25), 0 0 32px rgba(0,180,255,0.2);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  color: var(--color-text-1);
  border-radius: 12px;
  font-weight: 500;
  font-size: 15px;
  padding: 12px 24px;
  transition: all 0.25s ease;
}
.btn-ghost:hover {
  border-color: var(--color-electric);
  background: rgba(255,255,255,0.08);
  color: var(--color-electric);
}
.btn-ghost:active { transform: scale(0.97); }
.btn-ghost:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,180,255,0.25);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  transition: all 0.25s ease;
}
.search-box:focus-within {
  border-color: var(--color-electric);
  box-shadow: 0 0 0 3px rgba(0,180,255,0.2);
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text-1);
  font-size: 14px;
  width: 130px;
  transition: width 0.3s ease;
}
.search-box input::placeholder { color: var(--color-text-3); }
.search-box input:focus { width: 160px; }

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-2);
  padding: 8px 2px;
  transition: color 0.25s ease;
}
.nav-link:hover { color: var(--color-text-1); }
.nav-link.active { color: var(--color-text-1); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-electric);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(0,180,255,0.6);
}

.header-scrolled {
  background: rgba(10,20,40,0.85) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0,180,255,0.12);
  color: var(--color-electric);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  transition: background 0.25s ease;
}
.badge:hover { background: rgba(0,180,255,0.2); }
.badge-gold {
  background: rgba(255,200,97,0.15);
  color: var(--color-gold);
}

/* 文章正文排版 */
.article-body { color: var(--color-text-1); font-size: 16px; line-height: 1.8; }
.article-body > p:first-of-type {
  font-size: 18px;
  color: rgba(234,242,252,0.92);
  line-height: 1.8;
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-1);
  padding-left: 12px;
  border-left: 3px solid var(--color-electric);
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-1);
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
}
.article-body h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-1);
  margin: 1.5rem 0 0.5rem;
}
.article-body p { margin-bottom: 1rem; }
.article-body ul, .article-body ol { margin: 1rem 0; padding-left: 1.25rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 0.4rem; }
.article-body blockquote {
  border-left: 3px solid var(--color-electric);
  background: rgba(0,180,255,0.06);
  padding: 1rem 1.25rem;
  border-radius: 0 12px 12px 0;
  margin: 1.5rem 0;
  color: var(--color-text-2);
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body img { border-radius: 16px; margin: 1.5rem 0; }
.article-body a { color: var(--color-electric); text-decoration: underline; text-decoration-color: rgba(0,180,255,0.3); }
.article-body a:hover { text-decoration-color: var(--color-electric); }
.article-body pre {
  background: var(--color-ink-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 14px;
}
.article-body code {
  font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
  font-size: 0.9em;
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
}
.article-body pre code { background: transparent; padding: 0; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 14px;
}
.article-body th, .article-body td {
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.75rem 1rem;
  text-align: left;
}
.article-body th {
  background: rgba(0,180,255,0.08);
  font-weight: 600;
  color: var(--color-text-1);
}

/* 面包屑 */
.breadcrumb { font-size: 13px; color: var(--color-text-3); }
.breadcrumb a { color: var(--color-text-3); }
.breadcrumb a:hover { color: var(--color-electric); }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,0.2); }

/* 空态 */
.empty-box {
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
}

/* FAQ */
.faq-item { transition: all 0.25s ease; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: 14px;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--color-electric);
  border-color: var(--color-electric);
}
.faq-icon {
  transition: transform 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* 移动端 */
@media (max-width: 1024px) {
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .hero-badge-row { flex-wrap: wrap; }
  .search-box { display: none; }
}

/* roulang page: category2 */
:root {
            --color-ink: #0a1428;
            --color-ink-2: #0f1d36;
            --color-glass: rgba(255, 255, 255, 0.05);
            --color-glass-border: rgba(255, 255, 255, 0.10);
            --color-glass-highlight: rgba(255, 255, 255, 0.12);
            --color-electric: #00b4ff;
            --color-electric-deep: #0078ff;
            --color-electric-rgb: 0, 180, 255;
            --color-gold: #ffc861;
            --color-text-1: #eaf2fc;
            --color-text-2: #9fb3cf;
            --color-text-3: #5d7496;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--color-ink);
            color: var(--color-text-1);
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all .25s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        input {
            font-family: inherit;
        }
        ::selection {
            background: rgba(0, 180, 255, 0.3);
            color: #fff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            transition: background .3s ease, border-color .3s ease;
            border-bottom: 1px solid transparent;
        }
        .site-header.scrolled {
            background: rgba(10, 20, 40, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-2);
            padding: 6px 2px;
            transition: color .25s ease;
        }
        .nav-link:hover {
            color: var(--color-text-1);
        }
        .nav-link.active {
            color: var(--color-electric);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -3px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--color-electric), var(--color-electric-deep));
            box-shadow: 0 0 10px rgba(0, 180, 255, 0.5);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 14px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: border-color .25s ease, box-shadow .25s ease;
            width: 180px;
        }
        .search-box:focus-within {
            border-color: var(--color-electric);
            box-shadow: 0 0 0 3px rgba(0, 180, 255, 0.2);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-text-1);
            font-size: 13px;
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--color-text-3);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 40px;
            padding: 0 24px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-electric), var(--color-electric-deep));
            box-shadow: 0 0 24px rgba(0, 180, 255, 0.35);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 0 32px rgba(0, 180, 255, 0.5);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 40px;
            padding: 0 24px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-1);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            transition: all .25s ease;
        }
        .btn-secondary:hover {
            border-color: rgba(0, 180, 255, 0.55);
            background: rgba(0, 180, 255, 0.08);
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }
        .text-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-2);
            padding: 6px 8px;
            border-radius: 8px;
            transition: all .25s ease;
        }
        .text-btn:hover {
            color: var(--color-electric);
        }
        .text-btn .arrow {
            transition: transform .25s ease;
        }
        .text-btn:hover .arrow {
            transform: translateX(4px);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .text-btn:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-electric);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .glass-card {
            background: var(--color-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--color-glass-border);
            border-radius: 16px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transition: all .25s ease;
        }
        .glass-card:hover {
            border-color: rgba(0, 180, 255, 0.55);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .hero {
            min-height: 72vh;
            position: relative;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 130px 0 90px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 20, 40, 0.94) 0%, rgba(10, 20, 40, 0.75) 45%, rgba(10, 20, 40, 0.35) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        @media (max-width: 640px) {
            .hero {
                min-height: 60vh;
                padding: 110px 0 60px;
            }
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--color-text-3);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--color-text-3);
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-electric);
        }
        .breadcrumb .current {
            color: var(--color-text-1);
        }

        .hero-h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-2);
            max-width: 640px;
            margin-bottom: 32px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 16px;
            border-radius: 6px;
            background: rgba(0, 180, 255, 0.12);
            color: var(--color-electric);
            border: 1px solid rgba(0, 180, 255, 0.15);
            font-size: 12px;
            font-weight: 500;
            transition: all .25s ease;
        }
        .badge:hover {
            background: rgba(0, 180, 255, 0.2);
        }
        .badge-gold {
            background: rgba(255, 200, 97, 0.12);
            color: var(--color-gold);
            border-color: rgba(255, 200, 97, 0.2);
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            background: rgba(0, 180, 255, 0.12);
            color: var(--color-electric);
            font-size: 12px;
            font-weight: 500;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .section-subtitle {
            color: var(--color-text-2);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.7;
        }

        .step-card {
            position: relative;
            padding: 28px;
            border-radius: 16px;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-electric), var(--color-electric-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 180, 255, 0.35);
            margin-bottom: 18px;
        }
        .step-line {
            position: absolute;
            top: 48px;
            left: 68px;
            right: -24px;
            height: 1px;
            background: linear-gradient(90deg, rgba(0, 180, 255, 0.4), rgba(0, 180, 255, 0.06));
        }
        @media (max-width: 1023px) {
            .step-line {
                display: none;
            }
        }

        .feature-card {
            position: relative;
            overflow: hidden;
            border-radius: 16px;
        }
        .feature-card img {
            transition: transform .5s ease;
        }
        .feature-card:hover img {
            transform: scale(1.05);
        }
        .feature-card .feature-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 20, 40, 0.2) 0%, rgba(10, 20, 40, 0.85) 100%);
        }

        .faq-item {
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(18px);
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(0, 180, 255, 0.35);
        }
        .faq-item.active {
            border-color: rgba(0, 180, 255, 0.5);
            background: rgba(0, 180, 255, 0.04);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-1);
            text-align: left;
            transition: color .25s ease;
        }
        .faq-question:hover {
            color: var(--color-electric);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(0, 180, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }
        .faq-icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--color-electric);
            transition: transform .3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(0, 180, 255, 0.25);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--color-text-2);
            font-size: 14px;
            line-height: 1.8;
        }

        .cta-card {
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(0, 180, 255, 0.15), rgba(0, 120, 255, 0.08));
            border: 1px solid rgba(0, 180, 255, 0.25);
            backdrop-filter: blur(18px);
            box-shadow: 0 0 60px rgba(0, 180, 255, 0.15);
        }

        .site-footer {
            background: var(--color-ink-2);
            border-top: 1px solid rgba(0, 180, 255, 0.3);
            padding: 64px 0 0;
        }
        .site-footer a {
            color: var(--color-text-3);
            font-size: 14px;
            transition: color .25s ease;
        }
        .site-footer a:hover {
            color: var(--color-electric);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(340px, 85vw);
            height: 100vh;
            background: rgba(15, 29, 54, 0.98);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            z-index: 60;
            transition: right .35s ease;
            display: flex;
            flex-direction: column;
            padding: 24px;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: -20px 0 50px rgba(0, 0, 0, 0.4);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer .drawer-nav a {
            display: block;
            padding: 14px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            color: var(--color-electric);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 20, 40, 0.6);
            backdrop-filter: blur(4px);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }
        .mobile-menu-btn:hover {
            border-color: rgba(0, 180, 255, 0.5);
            background: rgba(0, 180, 255, 0.08);
        }

/* roulang page: category3 */
:root {
  --color-ink: #0a1428;
  --color-ink-2: #0f1d36;
  --color-glass: rgba(255,255,255,0.05);
  --color-glass-border: rgba(255,255,255,0.10);
  --color-glass-highlight: rgba(255,255,255,0.12);
  --color-electric: #00b4ff;
  --color-electric-deep: #0078ff;
  --color-electric-rgb: 0,180,255;
  --color-gold: #ffc861;
  --color-text-1: #eaf2fc;
  --color-text-2: #9fb3cf;
  --color-text-3: #5d7496;
}
html { scroll-behavior: smooth; }
body {
  background-color: var(--color-ink);
  color: var(--color-text-1);
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 768px) { .container { padding-left: 24px; padding-right: 24px; } }
@media (min-width: 1024px) { .container { padding-left: 32px; padding-right: 32px; } }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all 0.3s ease;
  background: rgba(10,20,40,0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header.scrolled {
  background: rgba(10,20,40,0.85);
  border-bottom-color: rgba(255,255,255,0.1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.nav-link {
  position: relative;
  font-size: 14px;
  color: var(--color-text-2);
  padding: 8px 2px;
  transition: color 0.25s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--color-text-1); }
.nav-link.active { color: var(--color-text-1); font-weight: 500; }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--color-electric), var(--color-electric-deep));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(var(--color-electric-rgb), 0.6);
}

.btn-primary {
  background: linear-gradient(135deg, #00b4ff, #0078ff);
  border-radius: 12px;
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  transition: all 0.25s ease;
  box-shadow: 0 0 24px rgba(0,180,255,0.35);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  box-shadow: 0 0 32px rgba(0,180,255,0.5);
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  padding: 10px 22px;
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-1);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.btn-ghost:hover {
  border-color: rgba(0,180,255,0.5);
  background: rgba(0,180,255,0.08);
  transform: translateY(-1px);
}
.btn-ghost:active { transform: scale(0.97); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-electric);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s ease;
}
.btn-link:hover { gap: 10px; color: #fff; }

.glass-card {
  background: var(--color-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  transition: all 0.25s ease;
}
.glass-card:hover {
  border-color: rgba(0,180,255,0.55);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(0,180,255,0.12);
  color: var(--color-electric);
  border: 1px solid rgba(0,180,255,0.15);
  transition: all 0.2s ease;
}
.chip:hover { background: rgba(0,180,255,0.2); }
.chip-gold {
  background: rgba(255,200,97,0.12);
  color: var(--color-gold);
  border-color: rgba(255,200,97,0.2);
}

.search-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  transition: all 0.25s ease;
  color: var(--color-text-3);
  width: 180px;
}
.search-box:focus-within {
  border-color: var(--color-electric);
  box-shadow: 0 0 0 3px rgba(0,180,255,0.2);
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text-1);
  width: 100%;
  font-size: 14px;
  margin-left: 8px;
}
.search-box input::placeholder { color: var(--color-text-3); }

.faq-item {
  border: 1px solid var(--color-glass-border);
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  transition: all 0.3s ease;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-item.open {
  border-color: rgba(0,180,255,0.35);
  background: rgba(0,180,255,0.04);
}
.faq-icon {
  transition: transform 0.3s ease;
  color: var(--color-text-2);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--color-electric);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer-inner { padding: 0 20px 20px; }

.mobile-drawer {
  position: fixed;
  top: 0; right: -100%; bottom: 0;
  width: 290px;
  background: var(--color-ink-2);
  z-index: 200;
  transition: right 0.35s ease;
  padding: 24px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-glass-border);
}
.mobile-drawer.open { right: 0; }
.drawer-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }

.img-mask {
  position: relative;
  overflow: hidden;
}
.img-mask::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, rgba(10,20,40,0.85) 0%, rgba(10,20,40,0.15) 50%, rgba(10,20,40,0.3) 100%);
  border-radius: inherit;
  z-index: 1;
}
.img-mask > * { position: relative; z-index: 2; }

.timeline {
  position: relative;
  padding-left: 36px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-electric), rgba(0,180,255,0.05));
}
.timeline-item {
  position: relative;
  padding-bottom: 32px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-ink);
  border: 3px solid var(--color-electric);
  box-shadow: 0 0 12px rgba(var(--color-electric-rgb), 0.5);
}

.site-footer {
  background: var(--color-ink-2);
  border-top: 1px solid rgba(0,180,255,0.3);
  padding-top: 60px;
  padding-bottom: 30px;
}
.footer-link {
  display: inline-block;
  color: var(--color-text-2);
  font-size: 14px;
  padding: 4px 0;
  transition: all 0.25s ease;
  position: relative;
}
.footer-link:hover {
  color: var(--color-electric);
  padding-left: 4px;
}

.stat-number {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-text-1);
  line-height: 1.1;
  background: linear-gradient(135deg, #eaf2fc 0%, #00b4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-electric);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--color-electric);
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-electric);
  outline-offset: 2px;
  border-radius: 4px;
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,180,255,0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

@media (max-width: 1024px) {
  .search-box { width: 140px; }
}
@media (max-width: 768px) {
  .search-box.desktop-search { display: none; }
}