/* roulang page: index */
:root {
  --bg-deep: #0A0E17;
  --bg-soft: #131A29;
  --surface: #151C2C;
  --surface-hover: #1E2738;
  --brand-main: #7C6CF0;
  --brand-sec: #4A90D9;
  --accent: #E8B84B;
  --brand-grad: linear-gradient(135deg, #7C6CF0 0%, #4A90D9 100%);
  --accent-grad: linear-gradient(135deg, #E8B84B 0%, #F5D998 100%);
  --text-primary: #F0F2F5;
  --text-secondary: #A7B0C0;
  --text-body: #C8CDD6;
  --line: rgba(255, 255, 255, 0.08);
  --card-radius: 24px;
  --btn-radius: 999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 12px 40px rgba(124, 108, 240, 0.15);
  --header-h: 72px;
  --section-pad: 96px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-deep);
  color: var(--text-body);
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { color: var(--text-primary); line-height: 1.35; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
section { position: relative; }

/* Section common */
.section-pad { padding: var(--section-pad) 0; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-grad);
}
.section-title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 16px; }
.section-sub { color: var(--text-secondary); max-width: 640px; margin-bottom: 40px; font-size: 1rem; }
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-head-row .section-title { margin-bottom: 8px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: var(--btn-radius);
  font-size: .9375rem;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid rgba(232, 184, 75, .6);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--brand-grad);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(124, 108, 240, .25);
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 108, 240, .35);
  color: #fff;
}
.btn-primary:active { transform: scale(.98); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .2);
  color: var(--text-primary);
}
.btn-outline:hover {
  background: var(--brand-grad);
  border-color: transparent;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 108, 240, .25);
}
.btn-outline:active { transform: scale(.98); }
.btn-sm { min-height: 40px; padding: 8px 20px; font-size: .875rem; }

/* Badges */
.cat-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(232, 184, 75, .12);
  border: 1px solid rgba(232, 184, 75, .2);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .02em;
}
.tag-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: .75rem;
  margin-right: 8px;
  margin-bottom: 8px;
  transition: all .2s ease;
}
.tag-badge:hover { color: var(--accent); border-color: rgba(232, 184, 75, .4); }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(10, 14, 23, .85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(10, 14, 23, .92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .3);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.02em;
  display: flex;
  align-items: baseline;
}
.logo-text .xk {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo-text .cn { color: var(--text-primary); }
.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(232, 184, 75, .7), 0 0 24px rgba(232, 184, 75, .3);
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: .9375rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color .25s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255, 255, 255, .04); }
.nav-link.active { color: var(--text-primary); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-grad);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 40px;
  padding: 0 14px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: width .3s ease, background .2s ease, border-color .2s ease;
}
.search-box:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .14); }
.search-box:focus-within {
  width: 260px;
  border-color: rgba(124, 108, 240, .5);
  background: rgba(255, 255, 255, .08);
}
.search-box i { color: var(--text-secondary); font-size: .875rem; }
.search-placeholder { color: var(--text-secondary); font-size: .8125rem; flex: 1; }
.search-kbd {
  font-size: .6875rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, .08);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: "Inter", monospace;
}
.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.icon-btn:hover {
  color: var(--text-primary);
  background: var(--brand-grad);
  box-shadow: 0 4px 16px rgba(124, 108, 240, .3);
}
.header-cta {
  min-height: 40px;
  padding: 8px 20px;
  font-size: .875rem;
}
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
  transition: background .2s ease;
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: rgba(10, 14, 23, .98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 16px 24px 24px;
  z-index: 999;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform .3s ease, opacity .3s ease;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  display: block;
  padding: 14px 8px;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover,
.mobile-menu a.active { color: var(--text-primary); }

/* ===== Hero ===== */
.hero {
  min-height: 85vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 64px) 0 72px;
  background:
    linear-gradient(to bottom, rgba(10, 14, 23, .6) 0%, rgba(10, 14, 23, .95) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 20%, rgba(255,255,255,.6), transparent),
    radial-gradient(1px 1px at 35% 60%, rgba(255,255,255,.4), transparent),
    radial-gradient(1.5px 1.5px at 55% 25%, rgba(255,255,255,.35), transparent),
    radial-gradient(1px 1px at 75% 45%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 25% 80%, rgba(255,255,255,.4), transparent),
    radial-gradient(1.5px 1.5px at 85% 70%, rgba(232,184,75,.35), transparent),
    radial-gradient(1px 1px at 65% 90%, rgba(255,255,255,.3), transparent);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(124, 108, 240, .18), transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--text-secondary);
  font-size: .8125rem;
  letter-spacing: .08em;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-title .grad {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 12px;
  line-height: 1.8;
}
.hero-meta-line {
  font-size: .9375rem;
  color: var(--text-body);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-orbit {
  width: 60%;
  max-width: 640px;
  height: 1px;
  margin: 40px auto 0;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, .3), transparent);
  position: relative;
}
.hero-orbit::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(232, 184, 75, .8);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 40px auto 0;
}
.stat-card {
  position: relative;
  background: rgba(21, 28, 44, .7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.stat-card:hover {
  border-color: rgba(124, 108, 240, .3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.stat-icon { font-size: 1rem; color: var(--brand-main); margin-bottom: 6px; }
.stat-num {
  font-family: "Inter", "SF Pro Display", monospace;
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: .8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Story section ===== */
.story-section {
  background: var(--bg-deep);
  padding: var(--section-pad) 0;
}
.story-grid { align-items: center; }
.story-content .section-tag { margin-bottom: 8px; }
.story-content .section-title { margin-bottom: 20px; }
.story-text { color: var(--text-body); margin-bottom: 16px; }
.story-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 500;
  margin-top: 8px;
  transition: gap .3s ease;
}
.story-link:hover { gap: 12px; color: var(--accent); }
.story-media {
  padding: 2px;
  background: var(--brand-grad);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.story-media-inner {
  border-radius: 22px;
  overflow: hidden;
}
.story-media-inner img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .5s ease;
}
.story-media:hover .story-media-inner img { transform: scale(1.02); }

/* ===== Guide section (content index) ===== */
.guide-section {
  background: var(--bg-soft);
  padding: var(--section-pad) 0;
}
.guide-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.guide-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  transition: background .3s ease;
}
.guide-row:last-child { border-bottom: none; }
.guide-row:hover { background: var(--surface-hover); }
.guide-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(124, 108, 240, .12);
  border: 1px solid rgba(124, 108, 240, .15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-main);
  font-size: 1.125rem;
  flex-shrink: 0;
}
.guide-info { flex: 1; min-width: 0; }
.guide-name { color: var(--text-primary); font-weight: 600; font-size: 1.05rem; }
.guide-desc {
  color: var(--text-secondary);
  font-size: .875rem;
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.guide-link {
  color: var(--accent);
  font-size: .875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  white-space: nowrap;
  transition: gap .3s ease;
}
.guide-link:hover { gap: 10px; color: var(--accent); }

/* ===== Latest news ===== */
.latest-section {
  background: var(--bg-deep);
  padding: var(--section-pad) 0;
  position: relative;
}
.latest-section::before {
  content: '';
  position: absolute;
  left: -10%;
  top: 15%;
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(74, 144, 217, .08), transparent 65%);
  pointer-events: none;
}
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: .9375rem;
  font-weight: 500;
  padding: 8px 0;
}
.view-all:hover { color: var(--accent); gap: 12px; }
.news-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124, 108, 240, .3);
}
.news-cover {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #1E2738, #151C2C);
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-cover img { transform: scale(1.04); }
.news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-body .cat-badge { align-self: flex-start; margin-bottom: 14px; }
.news-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-title a { color: inherit; }
.news-title a:hover { color: var(--brand-main); }
.news-excerpt {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 18px;
  flex: 1;
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  color: var(--text-secondary);
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-main);
  font-weight: 500;
  transition: gap .3s ease, color .3s ease;
}
.read-more:hover { gap: 10px; color: var(--accent); }

/* Empty state */
.empty-state {
  background: var(--surface);
  border: 1px dashed rgba(255, 255, 255, .18);
  border-radius: var(--card-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  padding: 40px;
  text-align: center;
}
.empty-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(232, 184, 75, .1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.empty-state p { color: var(--text-secondary); margin-bottom: 20px; }

/* ===== Trust ===== */
.trust-section {
  background: var(--bg-soft);
  padding: 72px 0;
}
.trust-title {
  text-align: center;
  color: var(--text-secondary);
  font-size: .9375rem;
  font-weight: 400;
  margin-bottom: 48px;
}
.trust-title .xk { color: var(--accent); font-weight: 600; }
.trust-logo-wall {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-logo {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  opacity: .5;
  letter-spacing: .04em;
  transition: opacity .3s ease, color .3s ease;
  user-select: none;
}
.trust-logo:hover { opacity: 1; color: var(--text-primary); }

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-deep);
  padding: var(--section-pad) 0;
}
.accordion { max-width: 860px; margin: 0 auto; --bs-accordion-btn-bg: var(--surface); --bs-accordion-active-bg: var(--surface); --bs-accordion-border-color: var(--line); }
.accordion-item {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: 16px !important;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-button {
  background: var(--surface) !important;
  color: var(--text-primary) !important;
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 24px;
  box-shadow: none !important;
  border: none;
  transition: background .3s ease;
}
.accordion-button:not(.collapsed) {
  background: var(--surface-hover) !important;
  color: var(--text-primary) !important;
}
.accordion-button:focus { box-shadow: none !important; }
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E8B84B'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform .3s ease;
}
.accordion-button:not(.collapsed)::after { transform: rotate(-180deg); }
.accordion-body {
  background: var(--surface-hover) !important;
  color: var(--text-secondary);
  padding: 4px 24px 22px;
  font-size: .9375rem;
  line-height: 1.8;
}

/* ===== CTA / Subscribe ===== */
.cta-section {
  background:
    linear-gradient(135deg, rgba(124, 108, 240, .12), rgba(74, 144, 217, .08)),
    var(--bg-deep);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.3), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.25), transparent),
    radial-gradient(1.5px 1.5px at 45% 85%, rgba(232,184,75,.25), transparent);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner .section-title { margin-bottom: 12px; }
.cta-sub { color: var(--text-secondary); margin-bottom: 36px; }
.subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}
.subscribe-input {
  flex: 1;
  height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  color: var(--text-primary);
  font-size: .9375rem;
  outline: none;
  transition: border-color .3s ease, background .3s ease;
}
.subscribe-input::placeholder { color: var(--text-secondary); }
.subscribe-input:focus {
  border-color: var(--brand-main);
  background: rgba(255, 255, 255, .09);
}
.subscribe-btn { min-height: 50px; padding: 10px 32px; }
.cta-privacy {
  margin-top: 16px;
  font-size: .78125rem;
  color: var(--text-secondary);
  opacity: .7;
}
.subscribe-success {
  background: rgba(124, 108, 240, .12);
  border: 1px solid rgba(124, 108, 240, .3);
  border-radius: 16px;
  padding: 20px 24px;
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== Footer ===== */
.site-footer {
  background: #0B0F18;
  padding: 64px 0 32px;
  border-top: 1px solid var(--line);
}
.footer-grid { margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc {
  color: var(--text-secondary);
  font-size: .875rem;
  line-height: 1.8;
  max-width: 260px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  font-size: .875rem;
  transition: all .25s ease;
}
.footer-social a:hover { background: var(--brand-grad); color: #fff; border-color: transparent; }
.footer-col-title {
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: .875rem;
  padding: 6px 0;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover { color: var(--text-primary); padding-left: 4px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: .875rem;
  padding: 6px 0;
}
.footer-contact-item i { color: var(--brand-main); margin-top: 5px; width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: .8125rem;
}
.footer-bottom .brand { color: var(--text-primary); }

/* ===== Command palette modal ===== */
.command-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  background: rgba(10, 14, 23, .75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12vh 20px 20px;
}
.command-modal.open { display: flex; }
.command-panel {
  width: 720px;
  max-width: 100%;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  overflow: hidden;
  animation: slideUp .25s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.command-panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
}
.command-panel-head i { color: var(--text-secondary); }
.command-panel input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.125rem;
  outline: none;
}
.command-panel input::placeholder { color: var(--text-secondary); }
.command-list {
  max-height: 50vh;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  padding: 8px;
}
.command-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--text-primary);
  font-size: .9375rem;
  transition: background .2s ease;
}
.command-item:hover { background: var(--surface-hover); }
.command-icon { color: var(--text-secondary); width: 20px; text-align: center; flex-shrink: 0; }
.command-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.command-cat {
  font-size: .6875rem;
  color: var(--accent);
  background: rgba(232, 184, 75, .1);
  padding: 2px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}
.command-empty {
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  font-size: .875rem;
}

/* ===== General utilities ===== */
.bg-dot-pattern {
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,.4), transparent),
    radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,.3), transparent),
    radial-gradient(1.5px 1.5px at 50% 70%, rgba(124,108,240,.4), transparent);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .search-box { width: 180px; }
  .header-inner { gap: 16px; }
}
@media (max-width: 992px) {
  .main-nav { display: none; }
  .mobile-toggle { display: flex; }
  .search-box { display: none; }
  .header-cta { display: none; }
  .mobile-menu { display: block; }
  .section-pad { padding: 72px 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); max-width: 560px; }
  .guide-row { padding: 22px 24px; flex-wrap: wrap; }
  .guide-link { margin-left: auto; }
}
@media (max-width: 768px) {
  :root { --section-pad: 56px; }
  .hero { min-height: auto; padding: 120px 0 56px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 260px; }
  .hero-orbit { width: 80%; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .guide-desc { white-space: normal; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .trust-logo-wall { gap: 24px; }
  .trust-logo { font-size: 1rem; }
  .footer-grid { gap: 32px; }
}
@media (max-width: 576px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 0 12px;
  }
  .stat-card { padding: 14px 10px; }
  .stat-num { font-size: 1.5rem; }
  .news-body { padding: 20px; }
  .guide-row { gap: 14px; padding: 18px 16px; }
  .guide-icon { width: 40px; height: 40px; font-size: 1rem; }
  .container { padding-left: 16px; padding-right: 16px; }
  .site-footer { padding: 48px 0 24px; }
}

/* roulang page: category1 */
:root {
            --bg-deep: #0A0E17;
            --bg-soft: #131A29;
            --surface: #151C2C;
            --surface-hover: #1E2738;
            --brand-main: #7C6CF0;
            --brand-sec: #4A90D9;
            --accent: #E8B84B;
            --brand-grad: linear-gradient(135deg, #7C6CF0 0%, #4A90D9 100%);
            --accent-grad: linear-gradient(135deg, #E8B84B 0%, #F5D998 100%);
            --text-primary: #F0F2F5;
            --text-secondary: #A7B0C0;
            --text-body: #C8CDD6;
            --line: rgba(255, 255, 255, 0.08);
            --card-radius: 24px;
            --btn-radius: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(124, 108, 240, 0.15);
            --nav-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: #fff;
        }

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

        .container {
            max-width: 1200px;
        }

        /* ===== 导航 ===== */
        .main-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-h);
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--line);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .main-header.scrolled {
            background: rgba(10, 14, 23, 0.93);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .main-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .logo-text .xk {
            background: var(--brand-grad);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .logo-text .cn {
            color: #fff;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(232, 184, 75, 0.8);
            opacity: .9;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: .6;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.25);
            }
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 auto;
        }

        .main-nav .nav-link {
            position: relative;
            padding: 8px 4px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: color .25s ease;
        }

        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-grad);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .main-nav .nav-link:hover,
        .main-nav .nav-link.active {
            color: #fff;
        }

        .main-nav .nav-link:hover::after,
        .main-nav .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-trigger {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--btn-radius);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--line);
            cursor: pointer;
            transition: all .3s ease;
            width: 220px;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(124, 108, 240, 0.4);
        }

        .search-trigger:focus-within {
            width: 260px;
            border-color: rgba(124, 108, 240, 0.6);
        }

        .search-icon {
            color: var(--text-secondary);
            font-size: .9rem;
        }

        .search-placeholder {
            flex: 1;
            font-size: .85rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .kbd {
            display: inline-flex;
            align-items: center;
            padding: 2px 8px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.08);
            font-size: .75rem;
            font-family: "Inter", monospace;
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.06);
            white-space: nowrap;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            transition: all .3s ease;
        }

        .icon-btn:hover {
            background: var(--brand-grad);
            color: #fff;
            border-color: transparent;
        }

        .btn-grad {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 24px;
            border-radius: var(--btn-radius);
            background: var(--brand-grad);
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            border: none;
            cursor: pointer;
            transition: all .3s ease;
            box-shadow: 0 4px 16px rgba(124, 108, 240, 0.25);
        }

        .btn-grad:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: #fff;
            filter: brightness(1.05);
        }

        .btn-grad:active {
            transform: scale(0.98);
        }

        .btn-grad:focus-visible,
        .btn-ghost:focus-visible,
        .icon-btn:focus-visible {
            outline: 2px solid rgba(232, 184, 75, 0.6);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 24px;
            border-radius: var(--btn-radius);
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-weight: 500;
            font-size: .9rem;
            cursor: pointer;
            transition: all .3s ease;
        }

        .btn-ghost:hover {
            background: var(--brand-grad);
            border-color: transparent;
            color: #fff;
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        /* 汉堡 */
        .hamburger {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border: none;
            background: transparent;
            cursor: pointer;
            gap: 5px;
            padding: 0;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .hamburger:hover span {
            background: #fff;
        }

        /* 移动导航 */
        .mobile-nav {
            background: rgba(10, 14, 23, 0.98);
            border-top: 1px solid var(--line);
            padding: 16px 0 24px;
        }

        .mobile-nav .nav-link {
            display: block;
            padding: 12px 0;
            font-size: 1rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mobile-nav .nav-link:hover,
        .mobile-nav .nav-link.active {
            color: #fff;
        }

        /* ===== 搜索模态 ===== */
        .search-modal {
            position: fixed;
            inset: 0;
            z-index: 2000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .search-modal.open {
            display: flex;
        }

        .search-modal-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(5, 8, 14, 0.72);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .search-modal-panel {
            position: relative;
            width: 720px;
            max-width: 100%;
            height: 60vh;
            min-height: 360px;
            background: var(--surface);
            border-radius: 24px;
            box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
            padding: 32px;
            display: flex;
            flex-direction: column;
            animation: slideUp .25s ease;
            border: 1px solid var(--line);
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .search-modal-input {
            width: 100%;
            background: transparent;
            border: none;
            font-size: 1.25rem;
            color: var(--text-primary);
            padding: 8px 0;
            outline: none;
            border-bottom: 1px solid var(--line);
        }

        .search-modal-input::placeholder {
            color: var(--text-secondary);
        }

        .search-results {
            margin-top: 16px;
            overflow-y: auto;
            flex: 1;
        }

        .search-result-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            border-radius: 12px;
            cursor: pointer;
            transition: background .2s ease;
        }

        .search-result-item:hover {
            background: var(--surface-hover);
        }

        .result-title {
            color: var(--text-primary);
            font-size: .95rem;
        }

        .result-tag {
            font-size: .75rem;
            color: var(--accent);
            background: rgba(232, 184, 75, 0.1);
            border-radius: 6px;
            padding: 2px 10px;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: calc(var(--nav-h) + 80px) 0 72px;
            background: var(--bg-deep);
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.7) 0%, rgba(10, 14, 23, 0.9) 70%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: 20%;
            right: -200px;
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(124, 108, 240, 0.18), transparent 70%);
            z-index: 0;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: var(--btn-radius);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--line);
            font-size: .78rem;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .hero-badge i,
        .hero-badge svg {
            color: var(--accent);
        }

        .category-hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 分区 ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-soft);
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-label {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            letter-spacing: .1em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin: 0;
        }

        .section-link {
            font-size: .9rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: color .25s ease;
            white-space: nowrap;
        }

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

        /* ===== 卡片 ===== */
        .news-card {
            background: var(--surface);
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 108, 240, 0.3);
        }

        .news-card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: linear-gradient(135deg, #1E2738, #151C2C);
        }

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

        .news-card:hover .news-card-cover img {
            transform: scale(1.04);
        }

        .card-category {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(232, 184, 75, 0.92);
            color: #1A1405;
            font-size: .75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #E8EAED;
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body p {
            font-size: .9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--line);
        }

        .news-date {
            font-size: .8rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .read-more {
            font-size: .85rem;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease, color .25s ease;
        }

        .read-more:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* ===== 亮点区 ===== */
        .feature-item {
            background: var(--surface);
            border-radius: 20px;
            padding: 32px 28px;
            height: 100%;
            border: 1px solid var(--line);
            transition: all .3s ease;
        }

        .feature-item:hover {
            border-color: rgba(124, 108, 240, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--brand-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 20px;
        }

        .feature-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .feature-item p {
            font-size: .9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--surface);
            border-radius: 16px;
            border: 1px solid var(--line);
            margin-bottom: 12px;
            transition: background .25s ease;
            overflow: hidden;
        }

        .faq-item.open {
            background: var(--surface-hover);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            user-select: none;
            gap: 16px;
        }

        .faq-icon {
            position: relative;
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .faq-icon::before {
            top: 10px;
            left: 0;
            width: 22px;
            height: 2px;
        }

        .faq-icon::after {
            top: 4px;
            left: 10px;
            width: 2px;
            height: 14px;
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: .92rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(124, 108, 240, 0.15), rgba(74, 144, 217, 0.08)), var(--bg-deep);
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 300px;
            transform: translate(-50%, -50%);
            background: radial-gradient(ellipse, rgba(124, 108, 240, 0.12), transparent 70%);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--text-secondary);
            margin-bottom: 32px;
            font-size: .95rem;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-input {
            flex: 1;
            min-width: 220px;
            height: 48px;
            border-radius: var(--btn-radius);
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.06);
            padding: 0 24px;
            color: var(--text-primary);
            font-size: .9rem;
            outline: none;
            transition: all .3s ease;
        }

        .cta-input:focus {
            border-color: var(--brand-main);
            background: rgba(255, 255, 255, 0.1);
        }

        .cta-input::placeholder {
            color: var(--text-secondary);
        }

        .cta-btn {
            height: 48px;
            padding: 0 32px;
        }

        .cta-note {
            margin-top: 16px;
            font-size: .78rem;
            color: var(--text-secondary);
            opacity: .7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0B0F18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 64px;
            margin-top: 0;
        }

        .site-footer::before {
            content: "";
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            margin-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: .9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 16px 0 20px;
            max-width: 320px;
        }

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

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: .9rem;
            transition: all .3s ease;
        }

        .footer-social a:hover {
            background: var(--brand-grad);
            color: #fff;
            border-color: transparent;
        }

        .footer-col-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

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

        .footer-links a {
            font-size: .88rem;
            color: var(--text-secondary);
            transition: color .25s ease;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .88rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .footer-contact-item i {
            color: var(--accent);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0 32px;
            border-top: 1px solid var(--line);
            text-align: center;
            font-size: .82rem;
            color: var(--text-secondary);
        }

        .footer-bottom .brand {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .main-nav {
                display: none !important;
            }

            .search-trigger {
                width: 40px;
                padding: 0;
                justify-content: center;
            }

            .search-placeholder,
            .kbd {
                display: none !important;
            }

            .btn-grad.d-md-inline-flex {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-h: 64px;
            }

            .section {
                padding: 56px 0;
            }

            .category-hero {
                padding: calc(var(--nav-h) + 48px) 0 48px;
            }

            .news-card-body {
                padding: 18px;
            }

            .feature-item {
                padding: 24px 20px;
            }
        }

        @media (max-width: 576px) {
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
                padding: 0 20px;
            }

            .hero-cta-group .btn-grad,
            .hero-cta-group .btn-ghost {
                width: 100%;
                justify-content: center;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-input {
                width: 100%;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .search-modal-panel {
                padding: 20px;
                height: 70vh;
            }
        }

        @media (max-width: 400px) {
            .logo-text {
                font-size: 1.2rem;
            }

            .nav-actions {
                gap: 8px;
            }
        }

/* roulang page: article */
:root{
  --bg-deep:#0A0E17;
  --bg-soft:#131A29;
  --surface:#151C2C;
  --surface-hover:#1E2738;
  --brand-main:#7C6CF0;
  --brand-sec:#4A90D9;
  --accent:#E8B84B;
  --brand-grad:linear-gradient(135deg,#7C6CF0 0%,#4A90D9 100%);
  --accent-grad:linear-gradient(135deg,#E8B84B 0%,#F5D998 100%);
  --text-primary:#F0F2F5;
  --text-secondary:#A7B0C0;
  --text-body:#C8CDD6;
  --line:rgba(255,255,255,.08);
  --card-radius:24px;
  --btn-radius:999px;
  --shadow-card:0 4px 24px rgba(0,0,0,.25);
  --shadow-hover:0 12px 40px rgba(124,108,240,.15);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background-color:var(--bg-deep);
  background-image:
    radial-gradient(1px 1px at 10% 20%,rgba(255,255,255,.03),transparent),
    radial-gradient(1px 1px at 80% 12%,rgba(255,255,255,.02),transparent),
    radial-gradient(1.5px 1.5px at 50% 80%,rgba(255,255,255,.02),transparent);
  color:var(--text-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;height:auto}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{padding-left:24px;padding-right:24px}
::selection{background:rgba(124,108,240,.35);color:#fff}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:72px;background:rgba(10,14,23,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(10,14,23,.85);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(0,0,0,.3);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
}
.logo-text{
  font-family:"Inter","SF Pro Display","Noto Sans SC",sans-serif;
  font-size:1.5rem;font-weight:700;letter-spacing:-.02em;line-height:1;
}
.logo-text .xk{
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.logo-text .cn{color:#fff}
.logo-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(232,184,75,.8);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.65;transform:scale(.8)}
}
.main-nav{
  display:flex;align-items:center;gap:28px;
}
.main-nav .nav-link{
  position:relative;color:var(--text-secondary);
  font-size:.925rem;font-weight:500;padding:8px 0;
  white-space:nowrap;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--brand-grad);
  transition:width .3s ease;
}
.main-nav .nav-link:hover{color:#fff}
.main-nav .nav-link:hover::after,.main-nav .nav-link.active::after{width:100%}
.main-nav .nav-link.active{color:#fff}
.header-actions{display:flex;align-items:center;gap:12px}
.search-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;
  color:var(--text-secondary);font-size:.875rem;
  transition:border-color .3s ease,color .3s ease;
}
.search-trigger:hover{border-color:rgba(124,108,240,.4);color:#fff}
.search-hint{
  font-size:.75rem;font-family:"Inter",monospace;
  background:rgba(255,255,255,.08);
  padding:2px 8px;border-radius:6px;
}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-grad);color:#fff;border:none;
  border-radius:var(--btn-radius);padding:12px 28px;
  font-size:.95rem;font-weight:600;cursor:pointer;
  transition:box-shadow .3s ease,transform .3s ease;
}
.btn-primary:hover{box-shadow:0 8px 24px rgba(124,108,240,.35);transform:translateY(-2px);color:#fff}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid rgba(232,184,75,.6);outline-offset:2px}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--text-primary);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--btn-radius);padding:12px 28px;
  font-size:.95rem;font-weight:500;cursor:pointer;
  transition:background .3s ease,border-color .3s ease,color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.btn-outline:hover{background:var(--brand-grad);border-color:transparent;color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,108,240,.25)}
.btn-outline:active{transform:scale(.98)}
.btn-outline:focus-visible{outline:2px solid rgba(232,184,75,.6);outline-offset:2px}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;padding:10px;border-radius:8px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 面包屑 / Banner ===== */
.page-banner{
  position:relative;padding:140px 0 40px;
  background:
    linear-gradient(180deg,rgba(10,14,23,.7) 0%,rgba(10,14,23,.95) 100%),
    url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;color:var(--text-secondary);
}
.breadcrumb-nav a{color:var(--text-secondary);transition:color .2s}
.breadcrumb-nav a:hover{color:var(--accent)}
.breadcrumb-nav .sep{color:rgba(255,255,255,.25)}
.breadcrumb-nav .current{
  color:var(--text-primary);max-width:320px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 文章主体 ===== */
.article-main{padding:48px 0 80px}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--card-radius);
  padding:40px;
  box-shadow:var(--shadow-card);
}
.article-category{
  display:inline-block;background:rgba(232,184,75,.12);
  color:var(--accent);font-size:.8125rem;font-weight:500;
  padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.article-title{
  font-size:clamp(1.75rem,3.5vw,2.5rem);
  font-weight:700;color:var(--text-primary);
  line-height:1.3;letter-spacing:-.02em;margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:16px;
  color:var(--text-secondary);font-size:.875rem;
  padding-bottom:24px;border-bottom:1px solid var(--line);
  margin-bottom:28px;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--accent)}
.article-cover{
  border-radius:16px;overflow:hidden;margin-bottom:32px;
  background:linear-gradient(135deg,rgba(124,108,240,.08),rgba(74,144,217,.08));
}
.article-cover img{width:100%;height:auto;display:block}
.article-content{font-size:1rem;line-height:1.8}
.article-content p{margin-bottom:1.5rem}
.article-content h2{
  font-size:1.5rem;color:var(--text-primary);
  margin:2.5rem 0 1rem;padding-top:1.5rem;
  border-top:1px solid var(--line);font-weight:700;
}
.article-content h3{
  font-size:1.25rem;color:#E8EAED;
  margin:2rem 0 .75rem;font-weight:600;
}
.article-content blockquote{
  border-left:3px solid var(--accent);
  background:rgba(255,255,255,.04);
  padding:16px 24px;border-radius:0 12px 12px 0;
  margin:1.5rem 0;color:var(--text-secondary);
  font-style:normal;
}
.article-content img{border-radius:16px;margin:1.5rem 0}
.article-content ul,.article-content ol{margin:1rem 0 1.5rem;padding-left:1.5rem}
.article-content li{margin-bottom:.5rem}
.article-content a{color:var(--brand-main);text-decoration:underline;text-underline-offset:4px}
.article-content a:hover{color:var(--accent)}
.article-content table{width:100%;border-collapse:collapse;margin:1.5rem 0}
.article-content table th,.article-content table td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content table th{background:rgba(255,255,255,.04);color:var(--text-primary)}
.article-tags{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.tag{
  display:inline-block;background:rgba(124,108,240,.1);
  color:var(--text-secondary);font-size:.8125rem;
  padding:6px 14px;border-radius:999px;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:rgba(124,108,240,.2);color:#fff}
.article-footer{margin-top:28px;text-align:center}

/* ===== 上一篇 / 下一篇 ===== */
.prev-next-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;
}
.prev-next-card{
  display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;
  padding:20px 24px;min-height:100px;
  transition:background .3s ease,border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.prev-next-card:hover{
  background:var(--surface-hover);
  border-color:rgba(124,108,240,.3);
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.prev-next-label{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--text-secondary);font-size:.8125rem;margin-bottom:8px;
}
.prev-next-card.next{text-align:right}
.prev-next-title{
  color:var(--text-primary);font-weight:600;display:block;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== 空态 ===== */
.empty-state{
  text-align:center;padding:60px 20px;
}
.empty-state i{
  font-size:3rem;color:var(--accent);margin-bottom:16px;
  text-shadow:0 0 30px rgba(232,184,75,.3);
}
.empty-state h2{color:var(--text-primary);margin-bottom:8px;font-size:1.5rem}
.empty-state p{color:var(--text-secondary);margin-bottom:24px}

/* ===== 相关推荐 ===== */
.related-section{padding:64px 0 80px;background:var(--bg-soft)}
.section-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:32px;gap:16px;
}
.section-tag{
  display:block;color:var(--accent);font-size:.75rem;
  font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;
}
.section-header h2{
  color:var(--text-primary);font-size:clamp(1.375rem,2.5vw,1.875rem);
  font-weight:700;letter-spacing:-.02em;
}
.view-all{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-secondary);font-size:.875rem;
  transition:color .2s ease,gap .2s ease;
}
.view-all:hover{color:var(--accent);gap:10px}
.content-card{
  display:block;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--card-radius);
  overflow:hidden;height:100%;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.content-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(124,108,240,.3);
}
.card-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,rgba(124,108,240,.1),rgba(74,144,217,.1));
}
.card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.content-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:24px}
.card-category{
  display:inline-block;background:rgba(232,184,75,.12);
  color:var(--accent);font-size:.75rem;
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.card-body h3{
  color:var(--text-primary);font-size:1.125rem;font-weight:600;
  line-height:1.45;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  color:var(--text-secondary);font-size:.875rem;line-height:1.6;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-secondary);
}
.read-more{color:var(--brand-main);transition:color .2s}
.content-card:hover .read-more{color:var(--accent)}

/* ===== CTA / 订阅 ===== */
.cta-section{
  position:relative;padding:80px 0;
  background:
    linear-gradient(180deg,rgba(10,14,23,.85) 0%,rgba(10,14,23,.92) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{
  color:var(--text-primary);font-size:clamp(1.5rem,3vw,2rem);
  font-weight:700;letter-spacing:-.02em;margin-bottom:12px;
}
.cta-inner>p{color:var(--text-secondary);margin-bottom:24px}
.subscribe-form{
  display:flex;gap:12px;margin-bottom:16px;
}
.subscribe-form input{
  flex:1;background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:999px;
  padding:12px 20px;color:var(--text-primary);
  font-size:.95rem;transition:border-color .3s ease,background .3s ease;
}
.subscribe-form input:focus{outline:none;border-color:var(--brand-main);background:rgba(255,255,255,.08)}
.subscribe-form input::placeholder{color:var(--text-secondary)}
.subscribe-form .btn-primary{flex-shrink:0}
.privacy-note{font-size:.785rem;color:rgba(167,176,192,.6)}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;background:#0B0F18;padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);
}
.footer-grid{padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{
  color:var(--text-secondary);font-size:.875rem;line-height:1.7;
  margin-bottom:20px;max-width:320px;
}
.footer-social{display:flex;gap:12px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.05);
  color:var(--text-secondary);font-size:.9rem;
  transition:background .3s ease,color .3s ease,transform .3s ease;
}
.footer-social a:hover{background:var(--brand-grad);color:#fff;transform:translateY(-2px)}
.footer-col-title{
  color:var(--text-primary);font-size:.95rem;font-weight:600;margin-bottom:16px;
}
.footer-links{
  display:flex;flex-direction:column;gap:10px;
}
.footer-links a{
  color:var(--text-secondary);font-size:.875rem;
  transition:color .2s ease;
}
.footer-links a:hover{color:#fff}
.footer-contact-item{
  display:flex;align-items:center;gap:10px;
  color:var(--text-secondary);font-size:.875rem;margin-bottom:12px;
}
.footer-contact-item i{width:16px;color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;text-align:center;
  color:var(--text-secondary);font-size:.8125rem;
}
.footer-bottom .brand{color:var(--text-primary);font-weight:500}

/* ===== 搜索模态 ===== */
.search-modal{
  position:fixed;inset:0;z-index:2000;
  background:rgba(10,14,23,.75);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:flex;align-items:flex-start;justify-content:center;
  padding:12vh 20px 20px;
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.search-modal.open{opacity:1;visibility:visible}
.search-modal-inner{
  width:100%;max-width:720px;background:var(--surface);
  border-radius:24px;box-shadow:0 24px 48px rgba(0,0,0,.4);
  overflow:hidden;transform:translateY(20px);
  transition:transform .25s ease;
}
.search-modal.open .search-modal-inner{transform:translateY(0)}
.search-input-wrap{
  display:flex;align-items:center;gap:12px;
  padding:20px 24px;border-bottom:1px solid var(--line);
}
.search-input-wrap>i{color:var(--text-secondary);font-size:1.125rem}
.search-input-wrap input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--text-primary);font-size:1.125rem;
}
.search-input-wrap input::placeholder{color:var(--text-secondary)}
.search-close{
  background:rgba(255,255,255,.06);border:none;
  width:36px;height:36px;border-radius:10px;
  color:var(--text-secondary);transition:background .2s,color .2s;
}
.search-close:hover{background:rgba(255,255,255,.12);color:#fff}
.search-results{padding:8px 0;max-height:40vh;overflow-y:auto}
.search-result-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 24px;transition:background .2s;
}
.search-result-item:hover{background:var(--surface-hover)}
.search-result-item a{color:var(--text-primary);font-size:.95rem}
.search-result-item a:hover{color:var(--accent)}
.result-cat{
  color:var(--text-secondary);font-size:.75rem;
  background:rgba(255,255,255,.05);padding:4px 10px;border-radius:999px;flex-shrink:0;
}

/* ===== 响应式 ===== */
@media (max-width:992px){
  .main-nav{
    display:none;
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,14,23,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);padding:16px 24px;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{
    padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05);
    font-size:1rem;
  }
  .main-nav .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .search-trigger{width:44px;padding:8px;justify-content:center}
  .search-hint{display:none}
  .header-cta{display:none}
}
@media (max-width:768px){
  .page-banner{padding:120px 0 32px}
  .article-card{padding:24px}
  .article-main{padding:32px 0 48px}
  .prev-next-nav{grid-template-columns:1fr}
  .cta-section{padding:56px 0}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn-primary{width:100%;justify-content:center}
  .related-section{padding:48px 0 56px}
}
@media (max-width:576px){
  .site-header{height:64px}
  .header-inner{height:64px}
  .logo-text{font-size:1.25rem}
  .container{padding-left:16px;padding-right:16px}
  .page-banner{padding:104px 0 24px}
  .article-card{border-radius:16px}
  .article-title{font-size:1.5rem}
  .article-meta{gap:12px}
  .card-body{padding:16px}
  .footer-grid{gap:24px}
  .search-modal{padding-top:8vh}
}

/* roulang page: category2 */
:root {
        --bg-deep: #0A0E17;
        --bg-soft: #131A29;
        --surface: #151C2C;
        --surface-hover: #1E2738;
        --brand-main: #7C6CF0;
        --brand-sec: #4A90D9;
        --accent: #E8B84B;
        --brand-grad: linear-gradient(135deg, #7C6CF0 0%, #4A90D9 100%);
        --accent-grad: linear-gradient(135deg, #E8B84B 0%, #F5D998 100%);
        --text-primary: #F0F2F5;
        --text-secondary: #A7B0C0;
        --text-body: #C8CDD6;
        --line: rgba(255, 255, 255, 0.08);
        --card-radius: 24px;
        --btn-radius: 999px;
        --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
        --shadow-hover: 0 12px 40px rgba(124, 108, 240, 0.15);
        --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-num: "Inter", "SF Pro Display", monospace;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-cn);
        background: var(--bg-deep);
        color: var(--text-body);
        line-height: 1.75;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color 0.25s ease;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input {
        font-family: inherit;
        border: none;
        outline: none;
        background: none;
    }
    .container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }
    /* 按钮 */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--btn-radius);
        font-size: 0.95rem;
        font-weight: 600;
        border: 1px solid transparent;
        min-height: 44px;
        transition: all 0.3s ease;
        cursor: pointer;
        line-height: 1.2;
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--brand-grad);
        color: #fff;
        box-shadow: 0 4px 18px rgba(124, 108, 240, 0.25);
    }
    .btn-primary:hover {
        filter: brightness(1.08);
        transform: translateY(-2px);
        box-shadow: 0 10px 30px rgba(124, 108, 240, 0.35);
        color: #fff;
    }
    .btn-primary:active {
        transform: scale(0.98);
    }
    .btn-primary:focus-visible {
        outline: 2px solid rgba(232, 184, 75, 0.6);
        outline-offset: 3px;
    }
    .btn-outline {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: var(--text-primary);
    }
    .btn-outline:hover {
        background: var(--brand-grad);
        border-color: transparent;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(124, 108, 240, 0.3);
    }
    .btn-outline:active {
        transform: scale(0.98);
    }
    .btn-outline:focus-visible {
        outline: 2px solid rgba(232, 184, 75, 0.5);
        outline-offset: 3px;
    }
    .btn-sm {
        padding: 8px 20px;
        font-size: 0.85rem;
        min-height: 38px;
    }
    /* 头部导航 */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: 72px;
        background: rgba(10, 14, 23, 0.85);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--line);
        transition: background 0.4s ease, box-shadow 0.4s ease;
    }
    .site-header.scrolled {
        background: rgba(10, 14, 23, 0.75);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 20px;
    }
    .logo {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }
    .logo-text {
        font-size: 1.35rem;
        font-weight: 700;
        letter-spacing: -0.02em;
    }
    .logo-text .xk {
        background: var(--brand-grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .logo-text .cn {
        color: #fff;
    }
    .logo-dot {
        width: 8px;
        height: 8px;
        background: var(--accent);
        border-radius: 50%;
        box-shadow: 0 0 12px rgba(232, 184, 75, 0.6);
        display: inline-block;
        animation: pulse-dot 3s ease-in-out infinite;
    }
    @keyframes pulse-dot {
        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.6;
            transform: scale(1.2);
        }
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .main-nav .nav-link {
        position: relative;
        color: var(--text-secondary);
        font-size: 0.95rem;
        font-weight: 500;
        padding: 8px 2px;
        transition: color 0.3s ease;
        white-space: nowrap;
    }
    .main-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--brand-grad);
        border-radius: 2px;
        transition: width 0.3s ease;
    }
    .main-nav .nav-link:hover {
        color: #fff;
    }
    .main-nav .nav-link:hover::after,
    .main-nav .nav-link.active::after {
        width: 100%;
    }
    .main-nav .nav-link.active {
        color: #fff;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-shrink: 0;
    }
    .command-search {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--line);
        border-radius: var(--btn-radius);
        padding: 8px 16px;
        width: 220px;
        cursor: text;
        transition: width 0.35s ease, border-color 0.3s ease, background 0.3s ease;
        position: relative;
    }
    .command-search:hover {
        border-color: rgba(124, 108, 240, 0.4);
        background: rgba(255, 255, 255, 0.08);
    }
    .command-search:focus-within {
        width: 260px;
        border-color: rgba(124, 108, 240, 0.6);
        background: rgba(255, 255, 255, 0.09);
    }
    .command-search .search-icon {
        color: var(--text-secondary);
        font-size: 0.85rem;
    }
    .command-search input {
        flex: 1;
        background: transparent;
        color: var(--text-primary);
        font-size: 0.875rem;
        min-width: 0;
    }
    .command-search input::placeholder {
        color: rgba(167, 176, 192, 0.7);
    }
    .command-search .kbd-hint {
        font-size: 0.7rem;
        background: rgba(255, 255, 255, 0.08);
        padding: 3px 8px;
        border-radius: 6px;
        color: var(--text-secondary);
        font-family: var(--font-num);
        flex-shrink: 0;
    }
    .search-dropdown {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 12px;
        box-shadow: var(--shadow-card);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: all 0.3s ease;
        z-index: 1200;
    }
    .command-search:focus-within .search-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .search-dropdown .hot-label {
        font-size: 0.75rem;
        color: var(--accent);
        padding: 4px 8px;
        font-weight: 600;
    }
    .search-dropdown a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: 10px;
        color: var(--text-body);
        font-size: 0.875rem;
        transition: background 0.2s;
    }
    .search-dropdown a:hover {
        background: var(--surface-hover);
        color: #fff;
    }
    .search-dropdown a i {
        color: var(--brand-sec);
        font-size: 0.8rem;
    }
    .icon-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 12px;
        border: 1px solid var(--line);
        color: var(--text-secondary);
        background: rgba(255, 255, 255, 0.04);
        transition: all 0.3s ease;
        flex-shrink: 0;
    }
    .icon-btn:hover {
        background: var(--brand-grad);
        color: #fff;
        border-color: transparent;
        transform: translateY(-2px);
    }
    .cta-btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }
    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 12px;
        border: 1px solid var(--line);
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.04);
        align-items: center;
        justify-content: center;
        font-size: 1rem;
        cursor: pointer;
        transition: background 0.3s;
    }
    .nav-toggle:hover {
        background: var(--surface-hover);
    }
    /* 全屏搜索层 */
    .search-overlay {
        position: fixed;
        inset: 0;
        background: rgba(10, 14, 23, 0.97);
        z-index: 2000;
        display: flex;
        align-items: flex-start;
        justify-content: center;
        padding: 120px 24px 40px;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s;
    }
    .search-overlay.open {
        opacity: 1;
        visibility: visible;
    }
    .search-overlay .overlay-inner {
        width: 100%;
        max-width: 720px;
    }
    .search-overlay input {
        width: 100%;
        background: transparent;
        border-bottom: 1px solid var(--line);
        color: var(--text-primary);
        font-size: 1.5rem;
        padding: 16px 0;
        letter-spacing: 0.02em;
    }
    .search-overlay input::placeholder {
        color: rgba(167, 176, 192, 0.5);
    }
    .search-overlay .close-overlay {
        position: absolute;
        top: 40px;
        right: 40px;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--surface);
        border: 1px solid var(--line);
        color: var(--text-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
    }
    .search-overlay .close-overlay:hover {
        background: var(--surface-hover);
        transform: rotate(90deg);
    }
    /* Hero */
    .category-hero {
        position: relative;
        min-height: 540px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 140px 0 80px;
        background-size: cover;
        background-position: center;
        overflow: hidden;
    }
    .category-hero .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 14, 23, 0.6) 0%, rgba(10, 14, 23, 0.92) 100%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--line);
        border-radius: var(--btn-radius);
        padding: 8px 20px;
        font-size: 0.8rem;
        color: var(--text-secondary);
        letter-spacing: 0.06em;
        margin-bottom: 24px;
    }
    .hero-badge i {
        color: var(--accent);
    }
    .category-hero h1 {
        font-size: clamp(2.25rem, 5vw, 3.5rem);
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: -0.02em;
        margin-bottom: 16px;
        line-height: 1.2;
    }
    .category-hero .hero-sub {
        font-size: 1.125rem;
        color: var(--text-secondary);
        max-width: 560px;
        margin: 0 auto 36px;
        line-height: 1.7;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }
    /* 板块通用 */
    .section-pad {
        padding: 96px 0;
    }
    .section-head {
        text-align: center;
        margin-bottom: 56px;
    }
    .section-tag {
        display: inline-block;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--accent);
        letter-spacing: 0.14em;
        margin-bottom: 12px;
        text-transform: uppercase;
    }
    .section-head h2 {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }
    .section-head p {
        color: var(--text-secondary);
        font-size: 1rem;
        max-width: 520px;
        margin: 0 auto;
    }
    /* 卖点区 */
    .features-section {
        padding: 96px 0;
        background: var(--bg-deep);
        position: relative;
    }
    .features-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 1000px;
        height: 400px;
        background: radial-gradient(ellipse, rgba(124, 108, 240, 0.12), transparent 70%);
        pointer-events: none;
    }
    .feature-card {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--card-radius);
        padding: 32px 24px;
        height: 100%;
        transition: all 0.35s ease;
    }
    .feature-card:hover {
        background: var(--surface-hover);
        border-color: rgba(124, 108, 240, 0.3);
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background: rgba(124, 108, 240, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: var(--brand-main);
        margin-bottom: 20px;
        transition: all 0.3s ease;
    }
    .feature-card:hover .feature-icon {
        background: var(--brand-grad);
        color: #fff;
    }
    .feature-card h3 {
        font-size: 1.1rem;
        color: #fff;
        font-weight: 600;
        margin-bottom: 10px;
    }
    .feature-card p {
        font-size: 0.875rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    /* 时间线区 */
    .timeline-section {
        padding: 96px 0;
        background: var(--bg-soft);
        position: relative;
    }
    .timeline-section::before {
        content: '';
        position: absolute;
        top: 40px;
        bottom: 40px;
        left: 50%;
        width: 1px;
        background: linear-gradient(180deg, transparent, rgba(124, 108, 240, 0.3), transparent);
        transform: translateX(-50%);
        opacity: 0.4;
        pointer-events: none;
    }
    .timeline-list {
        position: relative;
        max-width: 860px;
        margin: 0 auto;
        padding-left: 0;
    }
    .timeline-list::before {
        content: '';
        position: absolute;
        left: 112px;
        top: 0;
        bottom: 0;
        border-left: 2px dashed rgba(232, 184, 75, 0.25);
    }
    .timeline-item {
        display: flex;
        gap: 32px;
        margin-bottom: 32px;
        position: relative;
    }
    .timeline-date {
        flex: 0 0 80px;
        text-align: right;
        padding-top: 18px;
        z-index: 1;
        position: relative;
    }
    .timeline-date .date-month {
        display: block;
        font-size: 1rem;
        color: var(--accent);
        font-family: var(--font-num);
        font-weight: 600;
        letter-spacing: 0.04em;
    }
    .timeline-date .date-day {
        display: block;
        font-size: 2.4rem;
        font-weight: 800;
        font-family: var(--font-num);
        line-height: 1.1;
        background: var(--accent-grad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .timeline-content {
        flex: 1;
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 28px 32px;
        transition: all 0.35s ease;
        position: relative;
    }
    .timeline-content::before {
        content: '';
        position: absolute;
        left: -2px;
        top: 32px;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 12px rgba(232, 184, 75, 0.4);
    }
    .timeline-content:hover {
        background: var(--surface-hover);
        border-color: rgba(124, 108, 240, 0.3);
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }
    .timeline-content h3 {
        font-size: 1.1rem;
        color: #fff;
        font-weight: 600;
        margin-bottom: 8px;
    }
    .timeline-content p {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .timeline-content .read-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.85rem;
        color: var(--brand-sec);
        font-weight: 500;
        transition: gap 0.3s ease, color 0.3s;
    }
    .timeline-content .read-link:hover {
        gap: 12px;
        color: var(--brand-main);
    }
    .timeline-bottom {
        text-align: center;
        margin-top: 48px;
    }
    /* 场景区 */
    .scenarios-section {
        padding: 96px 0;
        background: var(--bg-deep);
    }
    .scenario-img-wrap {
        position: relative;
        border-radius: var(--card-radius);
        padding: 3px;
        background: var(--brand-grad);
        max-width: 480px;
        margin: 0 auto 32px;
    }
    .scenario-img-wrap img {
        border-radius: calc(var(--card-radius) - 3px);
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
    }
    .scenario-list {
        list-style: none;
        padding: 0;
    }
    .scenario-list li {
        display: flex;
        gap: 16px;
        align-items: flex-start;
        padding: 20px 0;
        border-bottom: 1px solid var(--line);
        transition: background 0.3s ease;
        border-radius: 12px;
        padding-left: 12px;
        padding-right: 12px;
    }
    .scenario-list li:last-child {
        border-bottom: none;
    }
    .scenario-list li:hover {
        background: rgba(255, 255, 255, 0.02);
    }
    .scenario-list li i {
        font-size: 1.1rem;
        color: var(--accent);
        margin-top: 4px;
        flex-shrink: 0;
        width: 24px;
        text-align: center;
    }
    .scenario-list li h4 {
        font-size: 1rem;
        color: #fff;
        font-weight: 600;
        margin-bottom: 4px;
    }
    .scenario-list li p {
        font-size: 0.875rem;
        color: var(--text-secondary);
        line-height: 1.6;
        margin: 0;
    }
    /* 流程区 */
    .process-section {
        position: relative;
        padding: 96px 0;
        background-size: cover;
        background-position: center;
        overflow: hidden;
    }
    .process-overlay {
        position: absolute;
        inset: 0;
        background: rgba(10, 14, 23, 0.82);
    }
    .process-section .container {
        position: relative;
        z-index: 2;
    }
    .process-item {
        background: rgba(21, 28, 44, 0.88);
        border: 1px solid var(--line);
        border-radius: 20px;
        padding: 32px 28px;
        height: 100%;
        text-align: center;
        transition: all 0.35s ease;
        backdrop-filter: blur(8px);
    }
    .process-item:hover {
        background: rgba(30, 39, 56, 0.92);
        border-color: rgba(124, 108, 240, 0.35);
        transform: translateY(-4px);
    }
    .process-num {
        width: 56px;
        height: 56px;
        margin: 0 auto 20px;
        border-radius: 50%;
        background: var(--brand-grad);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        font-weight: 700;
        font-family: var(--font-num);
        box-shadow: 0 0 20px rgba(124, 108, 240, 0.3);
    }
    .process-item h4 {
        color: #fff;
        font-size: 1.05rem;
        font-weight: 600;
        margin-bottom: 8px;
    }
    .process-item p {
        color: var(--text-secondary);
        font-size: 0.875rem;
        margin: 0;
        line-height: 1.7;
    }
    /* FAQ */
    .faq-section {
        padding: 96px 0;
        background: var(--bg-soft);
    }
    .faq-wrap {
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 16px;
        margin-bottom: 12px;
        transition: all 0.3s ease;
        overflow: hidden;
    }
    .faq-item:hover {
        border-color: rgba(124, 108, 240, 0.3);
    }
    .faq-item.open {
        background: var(--surface-hover);
        border-color: rgba(124, 108, 240, 0.4);
    }
    .faq-q {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 1rem;
        color: #fff;
        font-weight: 500;
        user-select: none;
        gap: 20px;
    }
    .faq-q .faq-icon {
        flex-shrink: 0;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(124, 108, 240, 0.15);
        color: var(--brand-main);
        transition: transform 0.3s ease, background 0.3s;
        font-size: 0.75rem;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: var(--brand-grad);
        color: #fff;
    }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 24px;
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.75;
    }
    .faq-item.open .faq-a {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    /* CTA */
    .cta-section {
        padding: 96px 0;
        background: var(--bg-deep);
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        bottom: -100px;
        left: 50%;
        transform: translateX(-50%);
        width: 800px;
        height: 400px;
        background: radial-gradient(ellipse, rgba(124, 108, 240, 0.15), transparent 70%);
        pointer-events: none;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
    }
    .cta-section h2 {
        font-size: clamp(1.75rem, 3.5vw, 2.5rem);
        color: #fff;
        font-weight: 700;
        margin-bottom: 14px;
    }
    .cta-section .cta-desc {
        color: var(--text-secondary);
        font-size: 1rem;
        max-width: 520px;
        margin: 0 auto 32px;
    }
    .subscribe-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto 24px;
        justify-content: center;
        flex-wrap: wrap;
    }
    .subscribe-form input {
        flex: 1;
        min-width: 240px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--line);
        border-radius: var(--btn-radius);
        padding: 12px 24px;
        color: var(--text-primary);
        font-size: 0.9rem;
        transition: border-color 0.3s, background 0.3s;
        height: 48px;
    }
    .subscribe-form input::placeholder {
        color: rgba(167, 176, 192, 0.6);
    }
    .subscribe-form input:focus {
        border-color: var(--brand-main);
        background: rgba(255, 255, 255, 0.08);
        outline: none;
    }
    .subscribe-form .btn {
        height: 48px;
    }
    .privacy-note {
        font-size: 0.75rem;
        color: rgba(167, 176, 192, 0.5);
        margin-top: 8px;
    }
    /* 页脚 */
    .site-footer {
        background: #0B0F18;
        padding: 72px 0 0;
        position: relative;
    }
    .site-footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    }
    .footer-brand .logo {
        margin-bottom: 16px;
    }
    .footer-desc {
        color: var(--text-secondary);
        font-size: 0.875rem;
        line-height: 1.75;
        margin: 16px 0 20px;
        max-width: 340px;
    }
    .footer-social {
        display: flex;
        gap: 12px;
    }
    .footer-social a {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        border: 1px solid var(--line);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        font-size: 0.9rem;
        transition: all 0.3s ease;
    }
    .footer-social a:hover {
        background: var(--brand-grad);
        color: #fff;
        border-color: transparent;
        transform: translateY(-2px);
    }
    .footer-col-title {
        color: #fff;
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 18px;
    }
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links a {
        color: var(--text-secondary);
        font-size: 0.875rem;
        transition: color 0.3s, padding-left 0.3s;
        display: inline-block;
    }
    .footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }
    .footer-contact-item {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        color: var(--text-secondary);
        font-size: 0.875rem;
        margin-bottom: 12px;
    }
    .footer-contact-item i {
        color: var(--brand-sec);
        margin-top: 4px;
        width: 16px;
        text-align: center;
        flex-shrink: 0;
        font-size: 0.85rem;
    }
    .footer-bottom {
        margin-top: 56px;
        padding: 24px 0;
        border-top: 1px solid var(--line);
        text-align: center;
        color: rgba(167, 176, 192, 0.65);
        font-size: 0.8rem;
    }
    .footer-bottom .brand {
        color: var(--text-secondary);
        font-weight: 500;
    }
    /* 响应式 */
    @media (max-width: 1200px) {
        .command-search {
            width: 180px;
        }
        .command-search:focus-within {
            width: 210px;
        }
    }
    @media (max-width: 992px) {
        .site-header {
            height: 64px;
        }
        .header-inner {
            height: 64px;
        }
        .main-nav {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-deep);
            border-bottom: 1px solid var(--line);
            flex-direction: column;
            align-items: flex-start;
            padding: 16px 24px 24px;
            gap: 12px;
            transform: translateY(-120%);
            transition: transform 0.4s ease;
            z-index: 999;
            box-shadow: var(--shadow-card);
        }
        .main-nav.open {
            transform: translateY(0);
        }
        .main-nav .nav-link {
            width: 100%;
            padding: 12px 0;
            font-size: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .main-nav .nav-link::after {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .command-search {
            width: 40px;
            padding: 0;
            justify-content: center;
            border-radius: 12px;
        }
        .command-search .search-icon {
            font-size: 0.9rem;
        }
        .command-search input,
        .command-search .kbd-hint {
            display: none;
        }
        .cta-btn {
            padding: 10px 18px;
            font-size: 0.85rem;
        }
        .cta-btn .fa-arrow-right {
            display: none;
        }
        .section-pad,
        .features-section,
        .timeline-section,
        .scenarios-section,
        .process-section,
        .faq-section,
        .cta-section {
            padding: 56px 0;
        }
    }
    @media (max-width: 768px) {
        .timeline-list::before {
            left: 64px;
        }
        .timeline-item {
            gap: 16px;
        }
        .timeline-date {
            flex: 0 0 50px;
        }
        .timeline-date .date-day {
            font-size: 1.8rem;
        }
        .timeline-content {
            padding: 20px 20px;
        }
        .category-hero {
            min-height: 460px;
            padding: 100px 0 60px;
        }
        .hero-actions {
            flex-direction: column;
            align-items: center;
        }
        .hero-actions .btn {
            width: 200px;
        }
        .subscribe-form {
            flex-direction: column;
            align-items: stretch;
        }
        .subscribe-form input {
            width: 100%;
        }
        .subscribe-form .btn {
            width: 100%;
        }
    }
    @media (max-width: 576px) {
        .category-hero {
            padding: 90px 0 48px;
        }
        .category-hero h1 {
            font-size: 1.9rem;
        }
        .category-hero .hero-sub {
            font-size: 0.95rem;
        }
        .timeline-list::before {
            left: 42px;
        }
        .timeline-item {
            gap: 12px;
        }
        .timeline-date {
            flex: 0 0 36px;
        }
        .timeline-date .date-month {
            font-size: 0.75rem;
        }
        .timeline-date .date-day {
            font-size: 1.4rem;
        }
        .timeline-content {
            padding: 16px;
        }
        .timeline-content h3 {
            font-size: 0.95rem;
        }
        .timeline-content p {
            font-size: 0.8rem;
        }
        .feature-card {
            padding: 24px 18px;
        }
        .process-item {
            padding: 24px 16px;
        }
        .section-head {
            margin-bottom: 32px;
        }
    }
    @media (max-width: 400px) {
        .header-actions {
            gap: 8px;
        }
        .icon-btn {
            display: none;
        }
        .cta-btn {
            padding: 10px 16px;
            font-size: 0.8rem;
        }
    }

/* roulang page: category3 */
:root {
      --bg-deep: #0A0E17;
      --bg-soft: #131A29;
      --surface: #151C2C;
      --surface-hover: #1E2738;
      --brand-main: #7C6CF0;
      --brand-sec: #4A90D9;
      --accent: #E8B84B;
      --brand-grad: linear-gradient(135deg, #7C6CF0 0%, #4A90D9 100%);
      --accent-grad: linear-gradient(135deg, #E8B84B 0%, #F5D998 100%);
      --text-primary: #F0F2F5;
      --text-secondary: #A7B0C0;
      --text-body: #C8CDD6;
      --line: rgba(255, 255, 255, 0.08);
      --card-radius: 24px;
      --btn-radius: 999px;
      --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
      --shadow-hover: 0 12px 40px rgba(124, 108, 240, 0.15);
      --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-num: "Inter", "SF Pro Display", monospace;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-cn);
      font-size: 1rem;
      line-height: 1.75;
      color: var(--text-body);
      background-color: var(--bg-deep);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(ellipse 800px 400px at 85% 20%, rgba(124, 108, 240, 0.08), transparent 60%),
                  radial-gradient(ellipse 600px 300px at 10% 80%, rgba(74, 144, 217, 0.05), transparent 60%);
      pointer-events: none;
      z-index: 0;
    }

    a {
      color: var(--text-secondary);
      text-decoration: none;
      transition: color 0.3s ease, border-color 0.3s ease;
    }
    a:hover {
      color: var(--text-primary);
    }
    img {
      max-width: 100%;
      height: auto;
    }
    button, input {
      font-family: inherit;
    }

    .container {
      max-width: 1240px;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      z-index: 1000;
      border-bottom: 1px solid transparent;
      transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
    }
    .site-header.scrolled {
      background: rgba(10, 14, 23, 0.82);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom-color: var(--line);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    }
    .header-inner {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-text {
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      display: inline-flex;
      align-items: baseline;
    }
    .logo-text .xk {
      background: var(--brand-grad);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      font-family: var(--font-num);
    }
    .logo-text .cn {
      color: #fff;
    }
    .logo-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      display: inline-block;
      box-shadow: 0 0 8px rgba(232, 184, 75, 0.6);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .main-nav .nav-link {
      padding: 8px 10px;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-secondary);
      border-bottom: 2px solid transparent;
      margin-bottom: -2px;
      transition: color 0.3s ease, border-color 0.3s ease;
      white-space: nowrap;
    }
    .main-nav .nav-link:hover {
      color: #fff;
      border-bottom-color: transparent;
    }
    .main-nav .nav-link.active {
      color: #fff;
      border-bottom-color: transparent;
      position: relative;
    }
    .main-nav .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand-grad);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .search-toggle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid transparent;
      border-radius: var(--btn-radius);
      height: 40px;
      padding: 0 14px;
      color: var(--text-secondary);
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.3s ease;
      width: 220px;
    }
    .search-toggle:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(124, 108, 240, 0.3);
      color: #fff;
    }
    .search-toggle .search-shortcut {
      font-size: 0.7rem;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 6px;
      padding: 2px 6px;
      color: var(--text-secondary);
    }

    .icon-btn {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      border: 1px solid transparent;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-secondary);
      font-size: 0.9rem;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    .icon-btn:hover {
      background: var(--brand-grad);
      color: #fff;
      border-color: transparent;
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--brand-grad);
      border: none;
      border-radius: var(--btn-radius);
      padding: 11px 22px;
      font-size: 0.875rem;
      font-weight: 600;
      color: #fff;
      transition: all 0.3s ease;
      line-height: 1.4;
    }
    .header-cta:hover {
      background: linear-gradient(135deg, #8A7BF2 0%, #5A9FE6 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(124, 108, 240, 0.3);
      color: #fff;
    }
    .header-cta:active {
      transform: scale(0.98);
    }
    .header-cta:focus-visible {
      outline: 2px solid rgba(232, 184, 75, 0.5);
      outline-offset: 2px;
    }

    .navbar-toggler {
      display: none;
      width: 40px;
      height: 40px;
      border: none;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-secondary);
      font-size: 1rem;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }
    .navbar-toggler:hover {
      background: var(--brand-grad);
      color: #fff;
    }

    /* ===== Mobile Menu ===== */
    .mobile-menu {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: var(--bg-deep);
      z-index: 999;
      padding: 88px 28px 40px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      opacity: 0;
      visibility: hidden;
      transition: all 0.35s ease;
    }
    .mobile-menu.open {
      opacity: 1;
      visibility: visible;
    }
    .mobile-menu .m-link {
      color: var(--text-secondary);
      font-size: 1.1rem;
      padding: 14px 8px;
      border-bottom: 1px solid var(--line);
    }
    .mobile-menu .m-link:hover {
      color: #fff;
    }
    .mobile-menu .m-link.active {
      color: #fff;
      border-left: 3px solid var(--brand-main);
      padding-left: 16px;
    }
    .mobile-menu .m-close {
      position: absolute;
      top: 20px;
      right: 24px;
      width: 40px;
      height: 40px;
      background: rgba(255, 255, 255, 0.06);
      border: none;
      border-radius: 12px;
      color: var(--text-secondary);
      font-size: 1rem;
      cursor: pointer;
    }

    /* ===== Page Hero (分类页) ===== */
    .page-hero {
      position: relative;
      padding: 160px 0 60px;
      background: linear-gradient(180deg, rgba(10, 14, 23, 0.55) 0%, rgba(10, 14, 23, 0.92) 100%),
                  var(--brand-grad);
      background-size: cover, cover;
      background-position: center;
      min-height: 360px;
      display: flex;
      align-items: center;
      text-align: center;
    }
    .page-hero .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--accent);
      font-size: 0.75rem;
      letter-spacing: 0.12em;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
    }
    .page-hero h1 {
      font-size: clamp(2rem, 5vw, 3rem);
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .page-hero .hero-desc {
      font-size: 1.0625rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
    }

    /* ===== Section 通用 ===== */
    .section-block {
      position: relative;
      z-index: 1;
      padding: 96px 0;
    }
    .section-block.alt-bg {
      background: var(--bg-soft);
    }
    .section-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.16em;
      color: var(--accent);
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: clamp(1.5rem, 3vw, 2.25rem);
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.01em;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-secondary);
      max-width: 640px;
      margin-bottom: 48px;
    }
    .section-head {
      margin-bottom: 48px;
    }

    /* ===== Zigzag 交错卡片 ===== */
    .zigzag-section {
      position: relative;
      z-index: 1;
      padding: 96px 0;
    }
    .zigzag-item {
      border-radius: var(--card-radius);
      background: var(--surface);
      border: 1px solid var(--line);
      overflow: hidden;
      margin-bottom: 36px;
      transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
    }
    .zigzag-item:hover {
      border-color: rgba(124, 108, 240, 0.3);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .zigzag-item .zigzag-media {
      overflow: hidden;
      position: relative;
    }
    .zigzag-item .zigzag-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 320px;
      transition: transform 0.5s ease;
    }
    .zigzag-item:hover .zigzag-media img {
      transform: scale(1.03);
    }
    .zigzag-media .media-fallback {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, var(--brand-main), var(--brand-sec));
      opacity: 0.12;
      z-index: -1;
    }
    .zigzag-item .zigzag-content {
      padding: 48px;
    }
    .zigzag-content .card-label {
      display: inline-block;
      background: rgba(232, 184, 75, 0.12);
      border: 1px solid rgba(232, 184, 75, 0.2);
      color: var(--accent);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .zigzag-content h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }
    .zigzag-content p {
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .zigzag-content .read-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-main);
      font-size: 0.875rem;
      font-weight: 600;
      transition: color 0.3s ease;
    }
    .zigzag-content .read-link:hover {
      color: var(--accent);
    }

    /* ===== 合作流程 ===== */
    .process-section {
      position: relative;
      z-index: 1;
      padding: 96px 0;
      background: var(--bg-soft);
    }
    .process-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px 24px;
      height: 100%;
      position: relative;
      transition: all 0.3s ease;
    }
    .process-card:hover {
      border-color: rgba(124, 108, 240, 0.3);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .process-card .step-num {
      font-family: var(--font-num);
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.08em;
      margin-bottom: 16px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .process-card .step-num .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
    }
    .process-card h4 {
      font-size: 1.125rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 10px;
    }
    .process-card p {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-bottom: 0;
    }

    /* ===== 信任数据 ===== */
    .stats-section {
      position: relative;
      z-index: 1;
      padding: 96px 0;
    }
    .stat-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 36px 24px;
      text-align: center;
      height: 100%;
      position: relative;
      transition: all 0.3s ease;
    }
    .stat-card:hover {
      border-color: rgba(124, 108, 240, 0.3);
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .stat-card::before {
      content: "";
      position: absolute;
      top: 16px;
      right: 16px;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--accent);
    }
    .stat-card .stat-num {
      font-family: var(--font-num);
      font-size: 2.25rem;
      font-weight: 700;
      background: var(--accent-grad);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
      margin-bottom: 8px;
    }
    .stat-card .stat-label {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    /* ===== FAQ ===== */
    .faq-section {
      position: relative;
      z-index: 1;
      padding: 96px 0;
      background: var(--bg-soft);
    }
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 16px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .faq-item:hover {
      border-color: rgba(124, 108, 240, 0.3);
    }
    .faq-item .faq-q {
      width: 100%;
      background: transparent;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      text-align: left;
    }
    .faq-item .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
      color: var(--accent);
      font-size: 0.85rem;
      transition: transform 0.3s ease;
    }
    .faq-item .faq-a {
      padding: 0 24px 24px;
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.8;
      display: none;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--brand-grad);
      color: #fff;
    }
    .faq-item.open .faq-a {
      display: block;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      z-index: 1;
      padding: 96px 0;
      text-align: center;
      background: linear-gradient(135deg, rgba(124, 108, 240, 0.15) 0%, rgba(74, 144, 217, 0.08) 100%), var(--bg-deep);
    }
    .cta-section h2 {
      font-size: clamp(1.5rem, 3vw, 2.25rem);
      color: #fff;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .cta-section .cta-desc {
      color: var(--text-secondary);
      max-width: 480px;
      margin: 0 auto 32px;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: var(--brand-grad);
      border: none;
      border-radius: var(--btn-radius);
      padding: 14px 32px;
      font-size: 1rem;
      font-weight: 600;
      color: #fff;
      transition: all 0.3s ease;
      min-height: 48px;
    }
    .btn-brand:hover {
      background: linear-gradient(135deg, #8A7BF2 0%, #5A9FE6 100%);
      transform: translateY(-2px);
      color: #fff;
      box-shadow: 0 8px 24px rgba(124, 108, 240, 0.3);
    }
    .btn-brand:active {
      transform: scale(0.98);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--btn-radius);
      padding: 14px 32px;
      font-size: 1rem;
      font-weight: 500;
      color: var(--text-primary);
      transition: all 0.3s ease;
      min-height: 48px;
    }
    .btn-outline:hover {
      background: var(--brand-grad);
      border-color: transparent;
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-outline:active {
      transform: scale(0.98);
    }
    .btn-outline:focus-visible,
    .btn-brand:focus-visible {
      outline: 2px solid rgba(232, 184, 75, 0.5);
      outline-offset: 3px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0B0F18;
      padding: 72px 0 0;
      border-top: 1px solid var(--line);
      position: relative;
      z-index: 1;
    }
    .site-footer::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    }
    .footer-grid {
      padding-bottom: 40px;
    }
    .footer-brand .logo {
      margin-bottom: 16px;
    }
    .footer-desc {
      color: var(--text-secondary);
      font-size: 0.875rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-social {
      display: flex;
      gap: 10px;
    }
    .footer-social a {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid transparent;
      color: var(--text-secondary);
      font-size: 0.875rem;
      transition: all 0.3s ease;
    }
    .footer-social a:hover {
      background: var(--brand-grad);
      border-color: transparent;
      color: #fff;
    }
    .footer-col-title {
      font-size: 0.9375rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: var(--text-secondary);
      font-size: 0.875rem;
      transition: color 0.3s ease, padding-left 0.3s ease;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-secondary);
      font-size: 0.875rem;
      margin-bottom: 12px;
    }
    .footer-contact-item i {
      color: var(--accent);
      margin-top: 4px;
      flex-shrink: 0;
    }
    .footer-bottom {
      border-top: 1px solid var(--line);
      padding: 22px 0;
      text-align: center;
      color: var(--text-secondary);
      font-size: 0.8125rem;
    }
    .footer-bottom .brand {
      color: #fff;
    }

    /* ===== 搜索 Modal ===== */
    .search-modal {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(10, 14, 23, 0.75);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      z-index: 2000;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      padding-top: 12vh;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }
    .search-modal.open {
      opacity: 1;
      visibility: visible;
    }
    .search-modal .modal-inner {
      width: min(720px, 90vw);
      background: var(--surface);
      border-radius: 24px;
      border: 1px solid var(--line);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
      overflow: hidden;
      transform: translateY(20px);
      transition: transform 0.35s ease;
    }
    .search-modal.open .modal-inner {
      transform: translateY(0);
    }
    .search-modal .modal-input-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 20px 24px;
      border-bottom: 1px solid var(--line);
    }
    .search-modal .modal-input-wrap i {
      color: var(--text-secondary);
    }
    .search-modal .modal-input-wrap input {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      color: #fff;
      font-size: 1.125rem;
    }
    .search-modal .modal-input-wrap input::placeholder {
      color: rgba(255, 255, 255, 0.3);
    }
    .search-modal .modal-close {
      background: rgba(255, 255, 255, 0.06);
      border: none;
      border-radius: 8px;
      width: 32px;
      height: 32px;
      color: var(--text-secondary);
      font-size: 0.875rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .search-modal .modal-list {
      padding: 12px;
      max-height: 40vh;
      overflow-y: auto;
    }
    .search-modal .modal-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 14px;
      border-radius: 12px;
      cursor: pointer;
      transition: background 0.25s ease;
    }
    .search-modal .modal-item:hover {
      background: var(--surface-hover);
    }
    .search-modal .modal-item .m-title {
      color: #fff;
      font-size: 0.9375rem;
    }
    .search-modal .modal-item .m-tag {
      background: rgba(124, 108, 240, 0.2);
      color: #B4AAFF;
      font-size: 0.7rem;
      padding: 3px 10px;
      border-radius: 999px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1199.98px) {
      .search-toggle {
        width: 180px;
      }
      .main-nav .nav-link {
        padding: 8px 8px;
        font-size: 0.8rem;
      }
    }

    @media (max-width: 991.98px) {
      .site-header {
        height: 64px;
      }
      .header-inner {
        height: 64px;
      }
      .main-nav {
        display: none;
      }
      .navbar-toggler {
        display: inline-flex;
      }
      .search-toggle {
        width: 40px;
        padding: 0;
        justify-content: center;
      }
      .search-toggle .search-shortcut,
      .search-toggle span:not(.search-shortcut) {
        display: none;
      }
      .header-cta {
        display: none;
      }
      .page-hero {
        padding-top: 140px;
      }
      .section-block,
      .zigzag-section,
      .process-section,
      .stats-section,
      .faq-section,
      .cta-section {
        padding: 64px 0;
      }
      .zigzag-item .zigzag-content {
        padding: 32px 24px;
      }
      .zigzag-media img {
        min-height: 240px !important;
      }
    }

    @media (max-width: 767.98px) {
      .section-block,
      .zigzag-section,
      .process-section,
      .stats-section,
      .faq-section,
      .cta-section {
        padding: 56px 0;
      }
      .footer-grid {
        gap: 24px;
      }
      .zigzag-item {
        margin-bottom: 24px;
      }
      .page-hero .hero-desc {
        font-size: 1rem;
      }
    }

    @media (max-width: 575.98px) {
      .page-hero {
        padding-top: 120px;
        min-height: 320px;
      }
      .header-inner {
        gap: 8px;
      }
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .cta-actions a {
        width: 100%;
      }
      .zigzag-item .zigzag-content {
        padding: 24px 20px;
      }
      .zigzag-item .zigzag-media img {
        min-height: 200px !important;
      }
    }