/* roulang page: index */
:root {
  --primary: #23A8E0;
  --primary-light: #51C8F2;
  --green: #26E0A4;
  --amber: #F5B04C;
  --purple: #7B8CFF;
  --danger: #F26D6D;
  --bg-base: #08111C;
  --bg-1: #0B1623;
  --bg-2: #101F30;
  --text-main: #D8E4F0;
  --text-sub: #93A7BC;
  --text-mute: #5C7186;
  --border: rgba(255,255,255,0.08);
  --card-bg: rgba(255,255,255,0.04);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.45);
  --shadow-glow: 0 0 20px rgba(35,168,224,0.35), 0 4px 12px rgba(0,0,0,0.3);
  --ease: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
body {
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(35,168,224,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(123,140,255,0.06) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  font-size: 16px;
}
a { text-decoration: none; color: inherit; transition: var(--ease); }
img { max-width: 100%; }
.container { max-width: 1200px; }
.section { padding: 90px 0; position: relative; }
.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.35; letter-spacing: -0.5px; }
.section-head p { color: var(--text-sub); margin-top: 8px; font-size: 16px; }
.text-gradient {
  background: linear-gradient(135deg, #51C8F2, #23A8E0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.glass-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  padding: 28px;
  transition: var(--ease);
}
@supports not (backdrop-filter: blur(12px)) {
  .glass-card { background: rgba(13,22,35,0.92); }
}
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #23A8E0, #1668A8);
  border: 1px solid rgba(35,168,224,0.5);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: var(--ease);
  cursor: pointer;
  min-height: 44px;
}
.btn-main:hover { background: linear-gradient(135deg, #51C8F2, #1f8ac4); color: #fff; transform: translateY(-1px); box-shadow: 0 0 28px rgba(35,168,224,0.45), 0 6px 16px rgba(0,0,0,0.35); }
.btn-main:active { transform: translateY(0); box-shadow: inset 0 2px 8px rgba(0,0,0,0.25); }
.btn-main:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  transition: var(--ease);
  cursor: pointer;
  min-height: 44px;
}
.btn-ghost:hover { border-color: var(--primary); background: rgba(35,168,224,0.1); color: var(--primary-light); transform: translateY(-1px); }
.btn-ghost:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.btn-sm { padding: 8px 18px; font-size: 14px; min-height: 40px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ========== Header ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,18,30,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: 68px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #23A8E0, #1668A8);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  box-shadow: 0 0 14px rgba(35,168,224,0.4);
}
.brand-name {
  font-size: 20px; font-weight: 700; letter-spacing: 0.5px;
  background: linear-gradient(135deg, #51C8F2, #23A8E0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.nav-wrap { display: flex; align-items: center; gap: 20px; }
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-block; padding: 8px 14px;
  color: var(--text-main); font-size: 15px; font-weight: 500;
  border-radius: var(--radius-sm); position: relative;
  transition: var(--ease);
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary-light); background: rgba(255,255,255,0.03); }
.nav-link.active { color: var(--primary-light); }
.nav-link.active::after {
  content: ""; position: absolute;
  bottom: -2px; left: 14px; right: 14px;
  height: 2px;
  background: linear-gradient(90deg, #23A8E0, #51C8F2);
  border-radius: 2px;
}
.nav-extra { display: flex; align-items: center; gap: 12px; }
.nav-cta { white-space: nowrap; }
.mega-wrap { position: relative; }
.mega-btn {
  display: flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-main); padding: 8px 14px;
  border-radius: var(--radius-sm); font-size: 15px;
  cursor: pointer; transition: var(--ease);
  min-height: 40px;
}
.mega-btn:hover { border-color: var(--primary); color: var(--primary-light); background: rgba(35,168,224,0.06); }
.mega-btn:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.mega-panel {
  position: absolute; top: calc(100% + 12px); right: 0;
  width: 520px; max-width: 90vw;
  background: rgba(16,31,48,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 48px rgba(0,0,0,0.5);
  opacity: 0; visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s ease;
}
@supports not (backdrop-filter: blur(20px)) { .mega-panel { background: rgba(16,31,48,0.98); } }
.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mega-col + .mega-col { border-left: 1px solid rgba(255,255,255,0.06); padding-left: 24px; }
.mega-title { font-size: 13px; font-weight: 600; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.mega-link { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text-main); font-size: 14px; border-radius: 6px; transition: var(--ease); }
.mega-link i { font-size: 12px; color: var(--primary); transition: transform 0.25s ease; }
.mega-link:hover { color: var(--primary-light); padding-left: 4px; }
.mega-link:hover i { transform: translateX(4px); }
.mega-news-item { display: block; padding: 10px 12px; border-radius: 8px; transition: var(--ease); }
.mega-news-item:hover { background: rgba(255,255,255,0.04); }
.mega-news-title { display: block; font-size: 14px; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mega-news-date { display: block; font-size: 12px; color: var(--text-mute); margin-top: 2px; }
.mega-empty { font-size: 14px; color: var(--text-mute); }
.nav-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 22px; cursor: pointer; padding: 6px 10px; border-radius: 8px; }

/* ========== Hero ========== */
.hero { position: relative; padding: 170px 0 100px; min-height: 680px; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(5,15,25,0.88) 0%, rgba(5,15,25,0.65) 50%, rgba(5,15,25,0.45) 100%);
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(35,168,224,0.15);
  border: 1px solid rgba(35,168,224,0.3);
  color: var(--primary-light); font-size: 13px; font-weight: 600;
  border-radius: 999px; padding: 6px 16px; margin-bottom: 20px;
}
.hero-title { font-size: 40px; font-weight: 700; color: #fff; line-height: 1.3; letter-spacing: -0.5px; margin-bottom: 12px; }
.hero-subtitle { font-size: 20px; color: var(--primary-light); margin-bottom: 16px; }
.hero-desc { max-width: 520px; color: var(--text-sub); font-size: 16px; line-height: 1.8; margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.portal-card { padding: 30px; }
.portal-status { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--green); background: rgba(38,224,164,0.1); border: 1px solid rgba(38,224,164,0.2); border-radius: 999px; padding: 5px 14px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px rgba(38,224,164,0.8); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.portal-icon { font-size: 38px; color: var(--primary); margin: 18px 0 10px; }
.portal-card h3 { font-size: 20px; font-weight: 600; color: #fff; margin-bottom: 6px; }
.portal-card p { color: var(--text-sub); font-size: 14px; margin-bottom: 20px; }
.portal-input { display: flex; gap: 10px; margin-bottom: 22px; }
.portal-input input {
  flex: 1; background: #0F1D2D; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 12px 16px; color: var(--text-main);
  font-size: 14px; transition: var(--ease); outline: none;
}
.portal-input input::placeholder { color: var(--text-mute); }
.portal-input input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(35,168,224,0.15); }
.portal-links { display: flex; flex-direction: column; gap: 4px; }
.portal-links a { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; font-size: 14px; color: var(--text-main); border-radius: 8px; transition: var(--ease); }
.portal-links a:hover { background: rgba(255,255,255,0.04); color: var(--primary-light); padding-left: 16px; }
.portal-links i { font-size: 13px; color: var(--primary); }

/* ========== Stats ========== */
.stats-section { padding: 40px 0 70px; margin-top: -20px; position: relative; z-index: 3; }
.stat-card { text-align: center; padding: 28px 16px; }
.stat-num {
  font-family: "Inter", "JetBrains Mono", monospace;
  font-size: 36px; font-weight: 700;
  background: linear-gradient(135deg, #51C8F2, #23A8E0);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(35,168,224,0.3);
  display: block; line-height: 1.2;
}
.stat-label { display: block; color: var(--text-sub); font-size: 14px; margin-top: 8px; }
.stat-desc { display: block; color: var(--text-mute); font-size: 13px; margin-top: 4px; }

/* ========== Guide ========== */
.guide-section { background: rgba(11,22,35,0.35); }
.guide-flow { margin-top: 20px; }
.guide-item { margin-bottom: 30px; }
.g-guide-2 { margin-top: 40px; }
.g-guide-3 { margin-top: 80px; }
.g-guide-4 { margin-top: 40px; }
.guide-card { height: 100%; position: relative; padding-bottom: 32px; }
.guide-card:hover { transform: translateY(-6px); border-color: rgba(35,168,224,0.25); box-shadow: var(--shadow-hover); }
.guide-number { font-size: 14px; font-weight: 600; color: var(--primary); letter-spacing: 1px; margin-bottom: 14px; }
.guide-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(35,168,224,0.12); border: 1px solid rgba(35,168,224,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--primary-light); margin-bottom: 16px;
}
.guide-card h3 { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.guide-card p { font-size: 14px; color: var(--text-sub); line-height: 1.65; margin: 0; }
.guide-img-wrap { margin-top: 18px; }
.guide-img-wrap img { width: 100%; height: 120px; object-fit: cover; border-radius: 12px; }
.guide-flow .guide-item { position: relative; }
.guide-flow .guide-item:not(:last-child) .guide-card::after {
  content: ""; position: absolute; top: 50%; right: -50px;
  width: 60px; height: 0;
  border-top: 2px dashed rgba(255,255,255,0.15);
  z-index: -1;
}
@media (max-width: 991px) {
  .g-guide-2, .g-guide-3, .g-guide-4 { margin-top: 0; }
  .guide-flow .guide-item:not(:last-child) .guide-card::after { display: none; }
}

/* ========== Rewards ========== */
.rewards-section {
  background: linear-gradient(rgba(5,15,25,0.9), rgba(5,15,25,0.94)), url('/assets/images/backpic/back-2.webp') center center / cover fixed;
}
.rewards-grid { margin-top: 10px; }
.reward-item { margin-bottom: 24px; }
.reward-item:nth-child(even) { transform: translateY(24px) rotate(1deg); }
.reward-item:nth-child(odd) { transform: rotate(-1deg); }
.reward-item:hover { transform: translateY(8px) scale(1.02); z-index: 2; }
.reward-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
  border: 1px solid rgba(245,176,76,0.25);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: var(--ease);
  height: 100%;
}
.reward-card:hover {
  border-color: rgba(245,176,76,0.6);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 18px rgba(245,176,76,0.15);
}
.reward-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,176,76,0.15);
  color: var(--amber); font-size: 12px; font-weight: 600;
  border-radius: 999px; padding: 4px 12px; margin-bottom: 14px;
}
.reward-icon { font-size: 32px; color: var(--amber); margin-bottom: 12px; }
.reward-card h3 { font-size: 18px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.reward-card p { font-size: 14px; color: var(--text-sub); margin: 0; line-height: 1.65; }
@media (max-width: 991px) {
  .reward-item:nth-child(even), .reward-item:nth-child(odd) { transform: none; }
}

/* ========== Tasks ========== */
.task-panel { padding: 40px; }
.task-left h3 { font-size: 22px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.task-list { list-style: none; padding: 0; margin: 0 0 24px; }
.task-list li { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px dashed rgba(255,255,255,0.08); }
.task-list li:last-child { border-bottom: none; }
.task-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.task-dot.done { background: var(--green); box-shadow: 0 0 8px rgba(38,224,164,0.6); }
.task-dot.active { background: var(--primary); box-shadow: 0 0 8px rgba(35,168,224,0.6); }
.task-dot.todo { background: var(--text-mute); }
.task-name { flex: 1; font-size: 15px; color: var(--text-main); }
.task-state { font-size: 13px; padding: 3px 10px; border-radius: 999px; }
.task-state.done { background: rgba(38,224,164,0.12); color: var(--green); }
.task-state.active { background: rgba(35,168,224,0.12); color: var(--primary-light); }
.task-state.todo { background: rgba(255,255,255,0.05); color: var(--text-mute); }
.task-right {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
}
.task-progress-label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.task-progress-label span:first-child { font-size: 14px; color: var(--text-sub); }
.task-progress-label strong { font-size: 26px; font-family: "Inter", "JetBrains Mono", monospace; color: var(--primary-light); }
.progress-track {
  height: 10px; background: rgba(255,255,255,0.08);
  border-radius: 999px; overflow: hidden; margin-bottom: 18px;
}
.progress-fill {
  height: 100%; width: 75%;
  background: linear-gradient(90deg, #23A8E0, #26E0A4);
  border-radius: 999px; transition: width 1s ease;
}
.task-tip { font-size: 13px; color: var(--text-mute); display: flex; align-items: center; gap: 8px; }
.task-tip i { color: var(--amber); }

/* ========== News ========== */
.news-section { background: rgba(11,22,35,0.4); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  display: flex; gap: 18px; align-items: flex-start;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  transition: var(--ease);
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: linear-gradient(180deg, #23A8E0, #26E0A4);
  border-radius: 0 3px 3px 0;
  opacity: 0; transition: var(--ease);
}
.news-card:hover { background: rgba(255,255,255,0.04); border-color: rgba(35,168,224,0.25); transform: translateX(4px); }
.news-card:hover::before { opacity: 1; }
.news-card:hover .news-title { color: var(--primary-light); }
.news-info { flex: 1; min-width: 0; }
.news-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.badge-cat {
  display: inline-block; background: rgba(35,168,224,0.15);
  color: var(--primary); font-size: 12px; font-weight: 600;
  border-radius: 999px; padding: 3px 12px;
}
.news-date { font-size: 13px; color: var(--text-mute); }
.news-title { font-size: 18px; font-weight: 600; color: #fff; margin: 0 0 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: var(--ease); }
.news-excerpt { font-size: 14px; color: var(--text-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.news-more { font-size: 13px; color: var(--primary-light); font-weight: 500; }
.news-more i { font-size: 12px; margin-left: 4px; transition: transform 0.2s; }
.news-card:hover .news-more i { transform: translateX(4px); }
.news-empty { text-align: center; padding: 60px 20px; color: var(--text-sub); border: 1px dashed var(--border); border-radius: var(--radius-lg); }
.news-empty i { font-size: 36px; color: var(--text-mute); margin-bottom: 14px; display: block; }
.news-empty h3 { font-size: 18px; color: var(--text-main); margin-bottom: 6px; }
.news-empty p { font-size: 14px; color: var(--text-mute); margin: 0; }
.side-card {
  display: flex; gap: 14px; align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px; margin-bottom: 14px;
  transition: var(--ease);
}
.side-card:hover { border-color: rgba(35,168,224,0.3); transform: translateY(-2px); background: rgba(255,255,255,0.05); }
.side-img { width: 84px; height: 84px; object-fit: cover; border-radius: 12px; flex-shrink: 0; }
.side-card h4 { font-size: 15px; font-weight: 600; color: #fff; margin: 0 0 4px; }
.side-card p { font-size: 13px; color: var(--text-sub); margin: 0 0 8px; line-height: 1.5; }
.side-card .btn { padding: 5px 14px; font-size: 13px; min-height: 32px; }
.tag-cloud {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin-top: 18px;
}
.tag-cloud h4 { font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 12px; }
.tag-cloud span {
  display: inline-block; font-size: 13px; color: var(--text-sub);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 999px; padding: 4px 13px; margin: 0 6px 8px 0;
  transition: var(--ease); cursor: default;
}
.tag-cloud span:hover { color: var(--primary-light); border-color: rgba(35,168,224,0.3); background: rgba(35,168,224,0.08); }

/* ========== FAQ ========== */
.faq-section .container { max-width: 900px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  transition: var(--ease);
  position: relative;
  overflow: hidden;
}
.faq-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: linear-gradient(180deg, #23A8E0, #26E0A4);
  opacity: 0; transition: var(--ease);
}
.faq-item.open { border-color: rgba(35,168,224,0.25); background: rgba(255,255,255,0.05); }
.faq-item.open::before { opacity: 1; }
.faq-q { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-main); gap: 16px; }
.faq-icon { font-size: 14px; color: var(--primary); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-a p { padding-top: 14px; margin: 0; font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* ========== CTA ========== */
.cta-section {
  padding: 90px 0;
  background: linear-gradient(135deg, #0B1623, #101F30 40%, #1B4A63);
  position: relative; overflow: hidden;
  text-align: center;
}
.cta-section::before {
  content: ""; position: absolute; top: -250px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(35,168,224,0.22), transparent 70%);
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.cta-section p { font-size: 16px; color: var(--text-sub); max-width: 600px; margin: 0 auto 32px; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* ========== Footer ========== */
.site-footer { background: #060D16; border-top: 1px solid rgba(255,255,255,0.06); padding: 70px 0 0; }
.footer-top { padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-logo { width: 32px; height: 32px; font-size: 15px; }
.footer-brand .brand-name { font-size: 18px; }
.footer-desc { font-size: 14px; color: var(--text-mute); line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: var(--text-sub); transition: var(--ease); }
.footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact { font-size: 14px; color: var(--text-sub); line-height: 2; }
.footer-contact i { color: var(--primary); margin-right: 8px; width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 10px;
}
.footer-bottom p { margin: 0; font-size: 13px; color: var(--text-mute); }

/* ========== Focus / Accessibility ========== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* ========== Responsive ========== */
@media (max-width: 1199px) {
  .hero-title { font-size: 36px; }
  .guide-flow .guide-item:not(:last-child) .guide-card::after { right: -30px; width: 30px; }
}
@media (max-width: 991px) {
  .section { padding: 64px 0; }
  .nav-toggle { display: block; }
  .nav-wrap {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: rgba(10,18,30,0.97);
    backdrop-filter: blur(14px);
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 20px 48px rgba(0,0,0,0.5);
    display: none;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    gap: 12px;
  }
  .nav-wrap.show { display: flex; }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link { padding: 12px 12px; width: 100%; }
  .nav-link.active::after { bottom: 4px; left: 12px; right: auto; width: 3px; height: 18px; border-radius: 3px; }
  .nav-extra { flex-direction: row; flex-wrap: wrap; gap: 10px; }
  .mega-wrap { flex: 1; }
  .mega-btn { width: 100%; justify-content: space-between; }
  .mega-panel {
    position: static; width: 100%; max-width: none;
    opacity: 1; visibility: visible; transform: none;
    display: none;
    box-shadow: none;
    background: rgba(255,255,255,0.03);
    margin-top: 8px;
  }
  .mega-wrap.open .mega-panel { display: block; }
  .mega-grid { grid-template-columns: 1fr; gap: 16px; }
  .mega-col + .mega-col { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 14px; }
  .hero { padding: 140px 0 80px; min-height: auto; }
  .hero-title { font-size: 30px; }
  .hero-visual { margin-top: 36px; }
  .stats-section { padding: 30px 0 50px; }
  .stat-card { padding: 20px 12px; }
  .task-panel { padding: 28px; }
  .task-right { margin-top: 24px; }
}
@media (max-width: 576px) {
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 24px; }
  .hero { padding: 120px 0 60px; }
  .hero-title { font-size: 26px; }
  .hero-subtitle { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-main, .hero-actions .btn-ghost { width: 100%; }
  .stat-card { padding: 16px 8px; }
  .stat-num { font-size: 28px; }
  .portal-input { flex-direction: column; }
  .portal-input .btn-main { width: 100%; }
  .news-card { flex-direction: column; padding: 18px; }
  .news-top { flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-section { padding: 60px 0; }
  .cta-section h2 { font-size: 24px; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn-main, .cta-buttons .btn-ghost { width: 100%; }
  .faq-item { padding: 16px; }
  .faq-q { font-size: 15px; }
}

/* roulang page: article */
:root {
    --bg-deep: #08111C;
    --bg-level-1: #0B1623;
    --bg-level-2: #101F30;
    --brand: #23A8E0;
    --brand-light: #51C8F2;
    --brand-dark: #1668A8;
    --success: #26E0A4;
    --amber: #F5B04C;
    --purple: #7B8CFF;
    --text-main: #D8E4F0;
    --text-sub: #93A7BC;
    --text-faint: #5C7186;
    --border-glass: rgba(255,255,255,0.08);
    --border-glass-light: rgba(255,255,255,0.14);
    --card-bg: rgba(255,255,255,0.04);
    --glass-grad: linear-gradient(145deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --radius-round: 999px;
    --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.45);
    --shadow-btn: 0 0 20px rgba(35,168,224,0.35), 0 4px 12px rgba(0,0,0,0.3);
    --shadow-panel: 0 20px 48px rgba(0,0,0,0.5);
    --transition-base: all 0.25s ease;
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    --font-num: 'Inter', 'JetBrains Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-deep);
    background-image: radial-gradient(ellipse at 20% 0%, rgba(35,168,224,0.07) 0%, transparent 55%),
                      radial-gradient(ellipse at 80% 100%, rgba(123,140,255,0.05) 0%, transparent 45%);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition-base); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: rgba(35,168,224,0.3); color: #fff; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    height: 68px;
    background: rgba(10,18,30,0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(35,168,224,0.25), rgba(22,104,168,0.4));
    border: 1px solid rgba(35,168,224,0.35);
    border-radius: 10px;
    font-size: 17px;
    color: var(--brand-light);
    box-shadow: 0 0 16px rgba(35,168,224,0.2);
}
.brand-name {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--brand-light), #7B8CFF);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.3px;
}
.nav-toggle { display: none; font-size: 22px; color: var(--text-main); padding: 8px 12px; border-radius: 8px; }
.nav-wrap { display: flex; align-items: center; gap: 24px; }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-link {
    display: inline-block;
    padding: 8px 14px;
    color: var(--text-sub);
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    border-bottom: 2px solid transparent;
    transition: var(--transition-base);
}
.nav-link:hover { color: var(--brand-light); background: rgba(35,168,224,0.08); }
.nav-link.active { color: var(--brand-light); border-bottom-color: var(--brand); background: rgba(35,168,224,0.1); }
.nav-extra { display: flex; align-items: center; gap: 16px; }
.mega-wrap { position: relative; }
.mega-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.03);
    transition: var(--transition-base);
}
.mega-btn:hover { color: var(--brand-light); border-color: rgba(35,168,224,0.4); background: rgba(35,168,224,0.08); }
.mega-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 520px;
    padding: 20px;
    background: rgba(16,31,48,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-panel);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition-base);
    z-index: 1060;
}
.mega-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.mega-col { min-width: 0; }
.mega-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mega-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--text-sub);
    font-size: 14px;
    transition: var(--transition-base);
}
.mega-link i { font-size: 12px; color: var(--brand); transition: transform 0.25s ease; }
.mega-link:hover { color: var(--brand-light); padding-left: 4px; }
.mega-link:hover i { transform: translateX(4px); }
.mega-news-item {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    transition: var(--transition-base);
}
.mega-news-item:hover { background: rgba(255,255,255,0.04); }
.mega-news-title { display: block; font-size: 14px; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mega-news-date { display: block; font-size: 12px; color: var(--text-faint); margin-top: 2px; }
.mega-empty { display: block; padding: 12px; font-size: 13px; color: var(--text-faint); text-align: center; background: rgba(255,255,255,0.03); border-radius: 10px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: var(--transition-base);
    line-height: 1.4;
    min-height: 44px;
}
.btn-main {
    background: linear-gradient(135deg, #23A8E0, #1668A8);
    color: #fff;
    box-shadow: var(--shadow-btn);
}
.btn-main:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 0 26px rgba(35,168,224,0.45), 0 6px 16px rgba(0,0,0,0.35); color: #fff; }
.btn-main:active { transform: translateY(0); box-shadow: inset 0 2px 6px rgba(0,0,0,0.3); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.25); color: var(--text-main); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-light); background: rgba(35,168,224,0.1); }
.btn-amber { background: transparent; border-color: var(--amber); color: var(--amber); box-shadow: 0 0 16px rgba(245,176,76,0.15); }
.btn-amber:hover { background: rgba(245,176,76,0.12); color: var(--amber); box-shadow: 0 0 20px rgba(245,176,76,0.25); transform: translateY(-1px); }

/* ===== 页面横幅 ===== */
.page-hero {
    position: relative;
    padding: 56px 0 0;
    background: #0B1623;
    overflow: hidden;
}
.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.35;
}
.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8,17,28,0.85) 0%, rgba(8,17,28,0.6) 60%, rgba(8,17,28,0.95) 100%);
}
.page-hero-content {
    position: relative;
    z-index: 2;
    padding: 28px 0 24px;
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-sub);
    flex-wrap: wrap;
}
.breadcrumb-nav a { color: var(--text-sub); }
.breadcrumb-nav a:hover { color: var(--brand-light); }
.breadcrumb-nav .sep { color: var(--text-faint); }
.breadcrumb-nav .current { color: var(--brand-light); }

/* ===== 文章主体 ===== */
.article-page { padding-bottom: 32px; }
.article-body-wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 0 24px;
}
.article-title {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-main);
    letter-spacing: -0.3px;
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-bottom: 28px;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.meta-item {
    font-size: 13px;
    color: var(--text-faint);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.meta-item i { color: var(--brand); font-size: 14px; }
.article-content {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-main);
}
.article-content p { margin-bottom: 24px; }
.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 40px 0 16px;
    color: var(--text-main);
    position: relative;
    padding-left: 16px;
}
.article-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--brand-light), var(--brand-dark));
}
.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 32px 0 12px;
    color: var(--text-main);
}
.article-content ul, .article-content ol {
    margin: 0 0 24px 24px;
    padding: 0;
}
.article-content ul li { list-style: disc; margin-bottom: 8px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; }
.article-content blockquote {
    margin: 28px 0;
    padding: 18px 24px;
    background: rgba(35,168,224,0.06);
    border-left: 3px solid var(--brand);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-sub);
    font-size: 15px;
}
.article-content pre {
    background: #0B1623;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 20px;
    margin: 24px 0;
    overflow-x: auto;
    font-family: var(--font-num);
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.7;
}
.article-content code {
    font-family: var(--font-num);
    background: rgba(35,168,224,0.1);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--brand-light);
}
.article-content pre code { background: none; padding: 0; color: inherit; }
.article-content img {
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    margin: 24px 0;
}
.article-content figcaption, .article-content .wp-caption-text {
    text-align: center;
    font-size: 13px;
    color: var(--text-faint);
    margin-top: -16px;
    margin-bottom: 24px;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
}
.article-content table th, .article-content table td {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    text-align: left;
    font-size: 15px;
}
.article-content table th {
    background: rgba(35,168,224,0.12);
    color: var(--brand-light);
    font-weight: 600;
}
.article-content table tr:last-child td { border-bottom: none; }
.article-content table tr:hover td { background: rgba(255,255,255,0.03); }

.article-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin: 40px 0 24px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.07);
}
.article-tags span {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(35,168,224,0.12);
    color: var(--brand-light);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-round);
    border: 1px solid rgba(35,168,224,0.2);
}
.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0 0;
}
.article-share span { font-size: 14px; color: var(--text-faint); }
.article-share a {
    width: 38px; height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-sub);
    font-size: 15px;
    transition: var(--transition-base);
}
.article-share a:hover { background: rgba(35,168,224,0.15); border-color: var(--brand); color: var(--brand-light); transform: translateY(-2px); }

.article-empty {
    text-align: center;
    padding: 72px 24px;
}
.article-empty i { font-size: 52px; color: var(--text-faint); margin-bottom: 16px; display: block; }
.article-empty h2 { font-size: 24px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; }
.article-empty p { color: var(--text-sub); margin-bottom: 24px; }

/* ===== 相关推荐 ===== */
.related-section { padding: 24px 0 48px; max-width: 1200px; margin: 0 auto; }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-main);
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}
.section-head h2::after {
    content: '';
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 48px; height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--brand-light), var(--brand-dark));
}
.section-head p { color: var(--text-faint); font-size: 14px; margin-top: 10px; }
.rel-card {
    height: 100%;
    background: var(--glass-grad);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    display: block;
}
.rel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,255,255,0.14);
    background: linear-gradient(145deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.03) 100%);
}
.rel-card-img { display: block; width: 100%; height: 180px; object-fit: cover; transition: transform 0.4s ease; }
.rel-card:hover .rel-card-img { transform: scale(1.03); }
.rel-card-body { padding: 24px; }
.rel-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition-base);
}
.rel-card-body p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.rel-card-more {
    font-size: 13px;
    color: var(--brand-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.rel-card-more i { font-size: 12px; transition: transform 0.25s ease; }
.rel-card:hover .rel-card-more i { transform: translateX(4px); }
.article-back { text-align: center; padding: 24px 0 64px; }

/* ===== CTA ===== */
.cta-section {
    margin: 48px auto 80px;
    max-width: 1200px;
}
.cta-wrap {
    position: relative;
    background: linear-gradient(135deg, #0F2133, #123048 50%, #0E2740);
    border: 1px solid rgba(35,168,224,0.2);
    border-radius: 20px;
    padding: 56px 40px;
    text-align: center;
    overflow: hidden;
}
.cta-wrap::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 30%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(35,168,224,0.2) 0%, transparent 70%);
    pointer-events: none;
}
.cta-wrap h2 { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-wrap p { font-size: 15px; color: var(--text-sub); margin-bottom: 28px; position: relative; z-index: 1; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ===== 页脚 ===== */
.site-footer {
    background: #060D16;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 56px 0 20px;
    margin-top: 0;
}
.footer-top { padding-bottom: 36px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-desc { font-size: 14px; color: var(--text-faint); line-height: 1.7; margin-bottom: 0; max-width: 320px; }
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 24px; height: 2px;
    background: var(--brand);
    border-radius: 2px;
}
.footer-col ul { padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--text-sub); transition: var(--transition-base); }
.footer-col ul li a:hover { color: var(--brand-light); padding-left: 4px; }
.footer-contact div {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 10px;
}
.footer-contact i { color: var(--brand); width: 16px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-faint);
}
.footer-bottom p { margin-bottom: 4px; }

/* ===== 响应式 ===== */
@media (min-width: 1200px) {
    .article-title { font-size: 32px; }
}
@media (max-width: 991px) {
    .nav-toggle { display: block; }
    .nav-wrap {
        position: fixed;
        top: 68px;
        left: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background: rgba(10,18,30,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        transition: max-height 0.4s ease;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        z-index: 1050;
    }
    .nav-wrap.open { max-height: 520px; }
    .nav-menu { flex-direction: column; align-items: stretch; padding: 16px 24px 8px; gap: 4px; }
    .nav-link {
        padding: 12px 16px;
        border-bottom: none;
        border-radius: 10px;
        font-size: 16px;
    }
    .nav-link.active { background: rgba(35,168,224,0.12); border-left: 3px solid var(--brand); }
    .nav-extra { flex-direction: column; align-items: stretch; padding: 8px 24px 20px; gap: 12px; }
    .mega-panel {
        position: static;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        padding: 0;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: max-height 0.4s ease;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
    .mega-panel.show { max-height: 420px; padding-top: 8px; }
    .mega-grid { grid-template-columns: 1fr; gap: 12px; }
    .mega-col:first-child { border-bottom: 1px solid rgba(255,255,255,0.06); padding-bottom: 12px; }
    .mega-btn { justify-content: center; }
    .mega-news-item { padding: 8px 12px; }
    .btn-main { width: 100%; }
    .related-section .col-lg-4 { margin-bottom: 24px; }
    .article-body-wrap { padding-top: 32px; }
}
@media (max-width: 767px) {
    .article-title { font-size: 26px; }
    .article-content { font-size: 15px; line-height: 1.8; }
    .article-meta { gap: 14px; }
    .cta-wrap { padding: 40px 24px; }
    .cta-wrap h2 { font-size: 24px; }
    .cta-btns { flex-direction: column; }
    .cta-btns .btn { width: 100%; }
    .page-hero { padding: 24px 0 0; }
    .breadcrumb-nav { font-size: 13px; }
    .related-section .row > div { margin-bottom: 20px; }
    .article-back { padding-bottom: 48px; }
}
@media (max-width: 575px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .article-title { font-size: 22px; }
    .article-content { font-size: 15px; }
    .article-content h3 { font-size: 19px; }
    .article-tags { gap: 8px; }
    .article-share { flex-wrap: wrap; }
    .rel-card-img { height: 160px; }
    .section-head h2 { font-size: 24px; }
}
@media (max-width: 420px) {
    .brand-name { font-size: 18px; }
    .brand-logo { width: 32px; height: 32px; font-size: 15px; }
    .article-meta .meta-item { font-size: 12px; }
}

/* roulang page: category1 */
:root {
            --bg-dark: #08111C;
            --bg-level1: #0B1623;
            --bg-level2: #101F30;
            --brand: #23A8E0;
            --brand-light: #51C8F2;
            --success: #26E0A4;
            --amber: #F5B04C;
            --violet: #7B8CFF;
            --text-main: #D8E4F0;
            --text-secondary: #93A7BC;
            --text-muted: #5C7186;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --btn-radius: 10px;
            --card-radius: 16px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.45);
            --glow-brand: 0 0 20px rgba(35, 168, 224, 0.35);
            --section-pad: 88px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "JetBrains Mono", monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(35, 168, 224, 0.08) 0%, transparent 45%), radial-gradient(ellipse at 80% 30%, rgba(38, 224, 164, 0.04) 0%, transparent 40%);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input {
            font-family: inherit;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--btn-radius);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            transition: all 0.25s ease;
        }
        .btn-main {
            background: linear-gradient(135deg, #23A8E0, #1668A8);
            border: 1px solid rgba(81, 200, 242, 0.3);
            color: #fff;
            box-shadow: 0 0 20px rgba(35, 168, 224, 0.35), 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .btn-main:hover,
        .btn-main:focus {
            background: linear-gradient(135deg, #2db6f0, #1976b8);
            box-shadow: 0 0 28px rgba(35, 168, 224, 0.5), 0 6px 16px rgba(0, 0, 0, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-main:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-main);
        }
        .btn-ghost:hover,
        .btn-ghost:focus {
            border-color: var(--brand);
            background: rgba(35, 168, 224, 0.1);
            color: var(--brand-light);
        }
        .btn-ghost:active {
            background: rgba(35, 168, 224, 0.16);
        }
        .btn-amber {
            background: transparent;
            border: 1px solid var(--amber);
            color: var(--amber);
        }
        .btn-amber:hover,
        .btn-amber:focus {
            background: rgba(245, 176, 76, 0.12);
            color: var(--amber);
            box-shadow: 0 0 16px rgba(245, 176, 76, 0.2);
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 68px;
            background: rgba(10, 18, 30, 0.85);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .header-inner {
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(35, 168, 224, 0.25), rgba(35, 168, 224, 0.08));
            border: 1px solid rgba(35, 168, 224, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-light);
            font-size: 18px;
            box-shadow: 0 0 16px rgba(35, 168, 224, 0.2);
        }
        .brand-name {
            font-size: 18px;
            font-weight: 700;
            background: linear-gradient(90deg, #23A8E0, #51C8F2);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 22px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            position: relative;
            transition: color 0.25s ease, background 0.25s ease;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.08);
        }
        .nav-link.active {
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.1);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
            box-shadow: 0 0 8px rgba(35, 168, 224, 0.6);
        }
        .nav-extra {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn-nav {
            padding: 9px 22px;
            font-size: 14px;
        }

        /* Mega Menu */
        .mega-wrap {
            position: relative;
        }
        .mega-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            padding: 8px 16px;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .mega-btn:hover,
        .mega-btn:focus {
            border-color: rgba(35, 168, 224, 0.4);
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.08);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 520px;
            max-width: 85vw;
            background: rgba(13, 24, 40, 0.96);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
            padding: 22px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: all 0.25s ease;
            z-index: 1060;
        }
        .mega-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .mega-col {
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            padding-right: 18px;
        }
        .mega-col:last-child {
            border-right: 0;
            padding-right: 0;
            padding-left: 4px;
        }
        .mega-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .mega-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-main);
            border-radius: 6px;
            transition: all 0.25s ease;
        }
        .mega-link i {
            font-size: 12px;
            color: var(--text-muted);
            transition: transform 0.25s ease, color 0.25s ease;
        }
        .mega-link:hover {
            color: var(--brand-light);
            padding-left: 4px;
        }
        .mega-link:hover i {
            color: var(--brand-light);
            transform: translateX(4px);
        }
        .mega-news-item {
            display: block;
            padding: 9px 10px;
            margin-bottom: 6px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .mega-news-item:hover {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--border-glass);
        }
        .mega-news-title {
            display: block;
            font-size: 14px;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }
        .mega-news-date {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
        }
        .mega-empty {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            padding: 10px 0;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 120px 0 64px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(5, 15, 25, 0.88) 20%, rgba(5, 15, 25, 0.65) 60%, rgba(5, 15, 25, 0.4) 100%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 22px;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-light);
        }
        .breadcrumb-nav .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--brand-light);
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .page-hero h1 .text-grad {
            background: linear-gradient(90deg, #23A8E0, #51C8F2);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: var(--section-pad) 0;
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.35;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.12);
            border: 1px solid rgba(35, 168, 224, 0.2);
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        /* ===== 玻璃卡片 ===== */
        .glass-card {
            background: rgba(11, 22, 35, 0.92);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        @supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {
            .glass-card {
                background: linear-gradient(145deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
                -webkit-backdrop-filter: blur(12px);
                backdrop-filter: blur(12px);
            }
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-light);
        }

        /* ===== 功能详解 ===== */
        .feature-section {
            background: linear-gradient(180deg, rgba(16, 31, 48, 0.2), transparent);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-item {
            position: relative;
            overflow: hidden;
        }
        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--brand), var(--success));
            opacity: 0.7;
            border-radius: 0 3px 3px 0;
        }
        .feature-item:nth-child(even) {
            transform: translateY(20px);
        }
        .feature-item .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(35, 168, 224, 0.12);
            border: 1px solid rgba(35, 168, 224, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-light);
            margin-bottom: 18px;
            box-shadow: 0 0 16px rgba(35, 168, 224, 0.1);
        }
        .feature-item h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 步骤流 ===== */
        .steps-section {
            background: var(--bg-level1);
            position: relative;
            overflow: hidden;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(35, 168, 224, 0.08), transparent 70%);
            top: -200px;
            right: -150px;
        }
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }
        .step-card {
            position: relative;
            padding: 34px 28px 28px;
        }
        .step-card:nth-child(2) {
            transform: translateY(24px);
        }
        .step-card:nth-child(3) {
            transform: translateY(48px);
        }
        .step-num {
            font-family: var(--font-num);
            font-size: 48px;
            font-weight: 700;
            line-height: 1;
            background: linear-gradient(135deg, rgba(35, 168, 224, 0.6), rgba(38, 224, 164, 0.3));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .steps-connector {
            position: absolute;
            top: 50px;
            left: 18%;
            right: 18%;
            height: 1px;
            border-top: 1px dashed rgba(35, 168, 224, 0.25);
            z-index: 1;
            pointer-events: none;
        }

        /* ===== 适用场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            padding: 32px 28px;
            text-align: center;
        }
        .scene-card:nth-child(2) {
            transform: translateY(16px);
        }
        .scene-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 14px;
            background: rgba(35, 168, 224, 0.12);
            border: 1px solid rgba(35, 168, 224, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-light);
            box-shadow: 0 0 18px rgba(35, 168, 224, 0.15);
        }
        .scene-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .scene-tag {
            display: inline-block;
            margin-top: 16px;
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.1);
            padding: 4px 14px;
            border-radius: 999px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-level1);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.25s ease, background 0.25s ease;
        }
        .faq-item:hover {
            border-color: rgba(35, 168, 224, 0.2);
        }
        .faq-item:has(.faq-question[aria-expanded="true"]) {
            border-left: 3px solid var(--brand);
            background: rgba(255, 255, 255, 0.05);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: 0;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--brand-light);
        }
        .faq-icon {
            flex-shrink: 0;
            color: var(--brand);
            transition: transform 0.3s ease;
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 相关资讯 ===== */
        .news-section {
            background: var(--bg-dark);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: rgba(11, 22, 35, 0.92);
            border: 1px solid var(--border-glass);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        @supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {
            .news-card {
                background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
                -webkit-backdrop-filter: blur(12px);
                backdrop-filter: blur(12px);
            }
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-thumb {
            display: block;
            position: relative;
            padding-top: 60%;
            overflow: hidden;
        }
        .news-thumb img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.04);
        }
        .news-body {
            padding: 22px 22px 20px;
        }
        .news-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.45;
            color: var(--text-main);
            transition: color 0.25s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover .news-body h3 {
            color: var(--brand-light);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .badge-news {
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-light);
            background: rgba(35, 168, 224, 0.15);
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(35, 168, 224, 0.15);
        }
        .news-link {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .news-link:hover {
            color: var(--brand-light);
        }
        .news-card:nth-child(2) {
            transform: translateY(16px);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 76px 0;
            background: linear-gradient(115deg, #0B1A2B, #10304F 60%, rgba(16, 48, 79, 0.6));
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(35, 168, 224, 0.2), transparent 50%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #060D16;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-logo {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }
        .footer-brand .brand-name {
            font-size: 17px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-col ul a:hover {
            color: var(--brand-light);
        }
        .footer-contact {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
        }
        .footer-contact i {
            color: var(--brand-light);
            width: 20px;
            margin-right: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 40px;
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            :root {
                --section-pad: 64px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-wrap {
                position: fixed;
                top: 68px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(10, 18, 30, 0.97);
                -webkit-backdrop-filter: blur(16px);
                backdrop-filter: blur(16px);
                border: 1px solid var(--border-glass);
                border-radius: 14px;
                box-shadow: 0 20px 48px rgba(0, 0, 0, 0.5);
                padding: 18px;
                gap: 14px;
                display: none;
                max-height: calc(100vh - 100px);
                overflow-y: auto;
            }
            .nav-wrap.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-link {
                padding: 12px 14px;
                border-radius: 10px;
            }
            .nav-link.active::after {
                left: 14px;
                right: auto;
                width: 32px;
            }
            .nav-extra {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .btn-nav {
                text-align: center;
            }
            .mega-panel {
                position: static;
                width: 100%;
                max-width: none;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background: rgba(255, 255, 255, 0.03);
                border: 1px solid var(--border-glass);
                border-radius: 12px;
                margin-top: 4px;
                display: none;
                padding: 16px;
            }
            .mega-wrap.open .mega-panel {
                display: block;
            }
            .mega-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .mega-col {
                border-right: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                padding-right: 0;
                padding-bottom: 14px;
            }
            .mega-col:last-child {
                border-bottom: 0;
                padding-bottom: 0;
            }
            .page-hero {
                min-height: 420px;
                padding: 110px 0 48px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-item:nth-child(even) {
                transform: none;
            }
            .steps-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-card:nth-child(2),
            .step-card:nth-child(3) {
                transform: none;
            }
            .steps-connector {
                display: none;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scene-card:nth-child(2) {
                transform: none;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card:nth-child(2) {
                transform: none;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 575.98px) {
            :root {
                --section-pad: 48px;
            }
            body {
                font-size: 15px;
            }
            .brand-name {
                font-size: 16px;
            }
            .page-hero {
                min-height: 380px;
                padding: 100px 0 40px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
                margin-bottom: 22px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 14px;
            }
            .features-grid {
                gap: 16px;
            }
            .glass-card {
                padding: 22px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .cta-actions .btn {
                width: 100%;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 16px 0;
            }
        }
        @media (max-width: 380px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
  --bg-base: #08111C;
  --bg-level-1: #0B1623;
  --bg-level-2: #101F30;
  --brand-primary: #23A8E0;
  --brand-light: #51C8F2;
  --brand-succ: #26E0A4;
  --brand-amber: #F5B04C;
  --brand-purple: #7B8CFF;
  --text-main: #D8E4F0;
  --text-sub: #93A7BC;
  --text-mute: #5C7186;
  --border-glass: rgba(255,255,255,0.08);
  --card-radius: 16px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.45);
  --shadow-amber: 0 0 18px rgba(245,176,76,0.22);
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num: "Inter","JetBrains Mono",monospace;
  --nav-h: 68px;
  --space-section: 88px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg-base);
  font-family:var(--font-cn);
  color:var(--text-main);
  line-height:1.75;
  font-size:15px;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%,rgba(35,168,224,0.14) 0%,transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 10%,rgba(245,176,76,0.05) 0%,transparent 50%),
    radial-gradient(ellipse 50% 30% at 60% 100%,rgba(35,168,224,0.05) 0%,transparent 45%);
}
a{color:var(--brand-primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-light)}
img{max-width:100%}
ul{list-style:none;margin:0;padding:0}
button{font-family:var(--font-cn)}
:focus-visible{outline:2px solid var(--brand-primary);outline-offset:2px;border-radius:4px}
.container{max-width:1200px}

/* ============ Header / Nav ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1080;
  height:var(--nav-h);
  background:rgba(10,18,30,0.85);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
@supports not ((backdrop-filter:blur(14px)) or (-webkit-backdrop-filter:blur(14px))){
  .site-header{background:rgba(10,18,30,0.96)}
}
.header-inner{display:flex;align-items:center;height:100%;gap:28px}
.brand{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;
  font-size:20px;font-weight:700;letter-spacing:-0.2px;
  color:var(--text-main);
}
.brand:hover{color:var(--text-main)}
.brand-logo{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-primary),#1668A8);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 0 16px rgba(35,168,224,0.35);
}
.brand-name{
  background:linear-gradient(135deg,var(--brand-light) 0%,var(--brand-primary) 70%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--border-glass);
  background:rgba(255,255,255,0.04);
  color:var(--text-main);font-size:18px;
  cursor:pointer;margin-left:auto;
}
.nav-wrap{display:flex;align-items:center;gap:24px;flex:1;justify-content:flex-end}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-link{
  position:relative;
  display:block;
  padding:8px 14px;
  font-size:15px;font-weight:500;
  color:var(--text-sub);
  border-radius:8px;
  transition:color .25s ease;
}
.nav-link::after{
  content:'';
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-primary),var(--brand-light));
  opacity:0;transform:scaleX(0.4);
  transition:opacity .25s ease,transform .25s ease;
}
.nav-link:hover{color:var(--brand-light)}
.nav-link:hover::after{opacity:0.5;transform:scaleX(0.7)}
.nav-link.active{color:var(--brand-light)}
.nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-extra{display:flex;align-items:center;gap:14px}
.mega-wrap{position:relative}
.mega-btn{
  display:flex;align-items:center;gap:8px;
  padding:8px 16px;
  border:1px solid var(--border-glass);
  border-radius:10px;
  background:rgba(255,255,255,0.03);
  color:var(--text-sub);font-size:14px;font-weight:500;
  cursor:pointer;
  transition:border-color .25s ease,color .25s ease,background .25s ease;
}
.mega-btn:hover{border-color:var(--brand-primary);color:var(--brand-light);background:rgba(35,168,224,0.08)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;
  width:520px;
  border-radius:16px;
  background:rgba(16,31,48,0.95);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--border-glass);
  box-shadow:0 20px 48px rgba(0,0,0,0.5);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:1090;
}
.mega-wrap:hover .mega-panel,.mega-panel:hover{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-col{border-left:1px solid rgba(255,255,255,0.06);padding-left:20px}
.mega-col:first-child{border-left:none;padding-left:0}
.mega-title{
  font-size:13px;font-weight:600;color:var(--text-mute);
  letter-spacing:0.5px;text-transform:uppercase;
  margin-bottom:14px;
}
.mega-link{
  display:flex;align-items:center;gap:8px;
  padding:8px 0;
  color:var(--text-sub);font-size:14px;
  border-radius:6px;
  transition:color .2s ease,transform .2s ease;
}
.mega-link i{font-size:12px;color:var(--brand-primary);transition:transform .2s ease}
.mega-link:hover{color:var(--brand-light);transform:translateX(4px)}
.mega-link:hover i{transform:translateX(2px)}
.mega-news-item{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  margin-bottom:6px;
  transition:background .2s ease;
}
.mega-news-item:hover{background:rgba(255,255,255,0.04)}
.mega-news-title{
  display:block;font-size:14px;font-weight:500;color:var(--text-main);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mega-news-date{display:block;font-size:12px;color:var(--text-mute);margin-top:2px}
.mega-empty{font-size:13px;color:var(--text-mute)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;
  font-size:15px;font-weight:600;
  padding:12px 28px;
  border:none;
  cursor:pointer;
  transition:all .25s ease;
  line-height:1.4;
  min-height:44px;
}
.btn-main{
  background:linear-gradient(135deg,var(--brand-primary),#1668A8);
  color:#fff;
  box-shadow:0 0 20px rgba(35,168,224,0.35),0 4px 12px rgba(0,0,0,0.3);
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-1px);color:#fff;box-shadow:0 0 28px rgba(35,168,224,0.5),0 6px 16px rgba(0,0,0,0.3)}
.btn-main:active{transform:translateY(0);box-shadow:0 0 12px rgba(35,168,224,0.2),0 2px 6px rgba(0,0,0,0.3)}
.btn-ghost{
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.25);
  color:var(--text-main);
}
.btn-ghost:hover{border-color:var(--brand-primary);background:rgba(35,168,224,0.1);color:var(--brand-light)}
.btn-amber{
  background:rgba(245,176,76,0.08);
  border:1px solid var(--brand-amber);
  color:var(--brand-amber);
  box-shadow:0 0 16px rgba(245,176,76,0.2);
}
.btn-amber:hover{background:rgba(245,176,76,0.15);color:var(--brand-amber);box-shadow:0 0 24px rgba(245,176,76,0.35);transform:translateY(-1px)}

/* ============ Hero Banner ============ */
.cat-hero{
  position:relative;
  padding:calc(var(--nav-h) + 72px) 0 72px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(5,15,25,0.88) 0%,rgba(5,15,25,0.68) 50%,rgba(5,15,25,0.4) 100%);
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero-inner{max-width:780px}
.cat-hero .cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(245,176,76,0.15);
  border:1px solid rgba(245,176,76,0.35);
  color:var(--brand-amber);
  font-size:13px;font-weight:500;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:40px;font-weight:700;line-height:1.3;
  letter-spacing:-0.5px;
  color:var(--text-main);
  margin-bottom:16px;
}
.cat-hero h1 span{color:var(--brand-amber)}
.cat-hero .lead{
  font-size:17px;color:var(--text-sub);
  max-width:640px;
  margin-bottom:28px;
  line-height:1.8;
}
.cat-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ Section Common ============ */
.section{padding:var(--space-section) 0}
.section-head{margin-bottom:44px;text-align:center}
.section-eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;color:var(--brand-amber);
  letter-spacing:2px;
  margin-bottom:10px;
}
.section-head h2{
  font-size:30px;font-weight:700;
  line-height:1.35;
  color:var(--text-main);
  letter-spacing:-0.3px;
  margin-bottom:12px;
}
.section-head .section-desc{
  font-size:15px;color:var(--text-sub);
  max-width:640px;
  margin:0 auto;
  line-height:1.7;
}
.section-divider{
  width:56px;height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--brand-amber),rgba(245,176,76,0.1));
  margin:16px auto 0;
}

/* ============ Type Table ============ */
.type-section{background:rgba(11,22,35,0.5);border-top:1px solid rgba(255,255,255,0.04);border-bottom:1px solid rgba(255,255,255,0.04)}
.type-intro{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;margin-bottom:36px;
}
.type-mini-card{
  background:linear-gradient(145deg,rgba(255,255,255,0.05) 0%,rgba(255,255,255,0.015) 100%);
  border:1px solid var(--border-glass);
  border-radius:14px;
  padding:22px;
  text-align:center;
  transition:transform .25s ease,border-color .25s ease;
}
.type-mini-card:hover{transform:translateY(-4px);border-color:rgba(245,176,76,0.35)}
.type-mini-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:rgba(245,176,76,0.12);
  border:1px solid rgba(245,176,76,0.25);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--brand-amber);
  margin:0 auto 12px;
}
.type-mini-card h4{font-size:15px;font-weight:600;color:var(--text-main);margin-bottom:6px}
.type-mini-card p{font-size:13px;color:var(--text-sub);line-height:1.6;margin:0}
.custom-table-wrap{
  background:linear-gradient(145deg,rgba(255,255,255,0.04) 0%,rgba(255,255,255,0.01) 100%);
  border:1px solid var(--border-glass);
  border-radius:var(--card-radius);
  padding:8px;
  overflow-x:auto;
  box-shadow:var(--shadow-card);
}
.custom-table{width:100%;border-collapse:separate;border-spacing:0;min-width:680px}
.custom-table thead th{
  background:rgba(245,176,76,0.1);
  color:var(--brand-amber);
  font-size:14px;font-weight:600;
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid rgba(245,176,76,0.2);
  white-space:nowrap;
}
.custom-table thead th:first-child{border-top-left-radius:10px}
.custom-table thead th:last-child{border-top-right-radius:10px}
.custom-table tbody td{
  padding:18px 20px;
  font-size:14px;
  color:var(--text-sub);
  border-bottom:1px solid rgba(255,255,255,0.04);
  vertical-align:top;
  line-height:1.7;
}
.custom-table tbody tr:last-child td{border-bottom:none}
.custom-table tbody tr{
  transition:background .2s ease;
}
.custom-table tbody tr:hover{background:rgba(245,176,76,0.04)}
.custom-table .type-name{font-weight:600;color:var(--text-main);font-size:15px}
.custom-table .type-tag{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(245,176,76,0.12);
  border:1px solid rgba(245,176,76,0.25);
  color:var(--brand-amber);
  font-size:12px;
  font-weight:500;
}

/* ============ Process ============ */
.process-section{}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-grid::before{
  content:'';
  position:absolute;top:44px;left:6%;right:6%;
  border-top:2px dashed rgba(245,176,76,0.25);
  z-index:0;
}
.process-step{
  position:relative;z-index:1;
  background:linear-gradient(145deg,rgba(255,255,255,0.05) 0%,rgba(255,255,255,0.015) 100%);
  border:1px solid var(--border-glass);
  border-radius:var(--card-radius);
  padding:28px 24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  box-shadow:var(--shadow-card);
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(245,176,76,0.35)}
.step-num{
  width:46px;height:46px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--brand-amber),#D98E2B);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:18px;font-weight:700;color:#08111C;
  box-shadow:0 0 16px rgba(245,176,76,0.25);
  margin-bottom:18px;
}
.process-step h4{font-size:17px;font-weight:600;color:var(--text-main);margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-sub);line-height:1.7;margin:0}

/* ============ Tips / Image Content ============ */
.tips-section{
  background:rgba(11,22,35,0.5);
  border-top:1px solid rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.tips-image{position:relative;border-radius:var(--card-radius);overflow:hidden;box-shadow:var(--shadow-hover)}
.tips-image img{width:100%;height:380px;object-fit:cover;display:block}
.tips-image::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,15,25,0.05) 30%,rgba(5,15,25,0.55) 100%);
}
.tips-image .img-caption{
  position:absolute;bottom:16px;left:16px;right:16px;z-index:1;
  color:rgba(255,255,255,0.88);
  font-size:13px;
  text-shadow:0 2px 8px rgba(0,0,0,0.4);
}
.tips-content h3{
  font-size:24px;font-weight:700;color:var(--text-main);
  line-height:1.4;margin-bottom:20px;
}
.tips-list li{
  display:flex;gap:12px;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.tips-list li:last-child{border-bottom:none}
.tips-list i{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(245,176,76,0.12);
  border:1px solid rgba(245,176,76,0.25);
  color:var(--brand-amber);
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.tips-list strong{display:block;font-size:15px;font-weight:600;color:var(--text-main);margin-bottom:3px}
.tips-list span{font-size:14px;color:var(--text-sub);line-height:1.7}

/* ============ FAQ ============ */
.faq-section{}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-glass);
  border-radius:12px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(245,176,76,0.3);
  background:rgba(255,255,255,0.04);
}
.accordion-button{
  background:transparent;
  border:none;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;
  font-size:16px;font-weight:600;
  color:var(--text-main);
  cursor:pointer;
  text-align:left;
  position:relative;
  transition:color .25s ease;
}
.accordion-button::before{
  content:'';
  position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand-amber);
  opacity:0;
  transition:opacity .25s ease;
}
.accordion-button:not(.collapsed){
  color:var(--brand-amber);
  background:rgba(245,176,76,0.03);
}
.accordion-button:not(.collapsed)::before{opacity:1}
.accordion-button .faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--border-glass);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  color:var(--text-sub);
  transition:transform .3s ease,color .3s ease,border-color .3s ease;
  margin-left:16px;
}
.accordion-button:not(.collapsed) .faq-icon{
  transform:rotate(180deg);
  color:var(--brand-amber);
  border-color:var(--brand-amber);
}
.accordion-collapse{background:transparent}
.faq-body{padding:0 24px 20px;color:var(--text-sub);font-size:14px;line-height:1.8}

/* ============ CTA ============ */
.cta-section{
  position:relative;
  padding:72px 0;
  background:linear-gradient(135deg,rgba(35,168,224,0.18) 0%,rgba(245,176,76,0.08) 100%);
  border-top:1px solid rgba(255,255,255,0.05);
}
.cta-inner{
  text-align:center;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-glass);
  border-radius:24px;
  padding:48px 32px;
  max-width:900px;
  margin:0 auto;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:28px;font-weight:700;color:var(--text-main);margin-bottom:14px;letter-spacing:-0.3px}
.cta-inner h2 span{color:var(--brand-amber)}
.cta-inner p{font-size:15px;color:var(--text-sub);max-width:560px;margin:0 auto 28px;line-height:1.8}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ Footer ============ */
.site-footer{
  background:#060D16;
  border-top:1px solid rgba(255,255,255,0.06);
  padding:64px 0 0;
}
.footer-top{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-sub);line-height:1.8;max-width:340px}
.footer-col h4{
  font-size:15px;font-weight:600;color:var(--text-main);
  margin-bottom:20px;
  position:relative;
  padding-bottom:8px;
}
.footer-col h4::after{
  content:'';
  position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--brand-primary);
  border-radius:2px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:var(--text-sub);
  font-size:14px;
  transition:color .25s ease,padding-left .25s ease;
}
.footer-col ul li a:hover{color:var(--brand-light);padding-left:4px}
.footer-contact div{
  display:flex;align-items:center;gap:8px;
  color:var(--text-sub);
  font-size:14px;
  margin-bottom:10px;
}
.footer-contact i{color:var(--brand-primary);font-size:14px;width:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:20px 0;
  text-align:center;
}
.footer-bottom p{
  font-size:13px;color:var(--text-mute);
  margin:2px 0;
  line-height:1.6;
}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid::before{display:none}
  .tips-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991.98px){
  :root{--space-section:64px}
  .site-header{height:auto;min-height:var(--nav-h)}
  .header-inner{flex-wrap:wrap;padding:10px 0}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav-wrap{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding:14px 0 20px;
  }
  .nav-wrap.show{display:flex}
  .nav-menu{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:10px 12px}
  .nav-extra{flex-direction:column;gap:12px}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;visibility:visible;transform:none;
    margin-top:10px;
    box-shadow:none;
    background:rgba(255,255,255,0.02);
  }
  .mega-grid{grid-template-columns:1fr;gap:14px}
  .mega-col{border-left:none;padding-left:0}
  .cat-hero{padding-top:calc(var(--nav-h) + 48px)}
  .cat-hero h1{font-size:32px}
  .section-head h2{font-size:24px}
  .custom-table-wrap{margin:0 -12px;border-radius:12px}
}
@media (max-width:767.98px){
  .process-grid{grid-template-columns:1fr}
  .tips-image img{height:280px}
  .cta-inner{padding:36px 20px}
  .cta-inner h2{font-size:22px}
}
@media (max-width:575.98px){
  :root{--space-section:48px}
  .cat-hero{padding-top:calc(var(--nav-h) + 36px);padding-bottom:48px}
  .cat-hero h1{font-size:28px}
  .cat-hero .lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .type-intro{grid-template-columns:1fr;gap:12px}
  .process-step{padding:22px 18px}
  .faq-body{padding:0 18px 18px}
  .accordion-button{padding:16px 18px;font-size:15px}
  .cta-actions .btn{width:100%}
  .footer-bottom p{font-size:12px}
}

/* ============ Animations ============ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(24px)}
  to{opacity:1;transform:translateY(0)}
}
.cat-hero-inner{animation:fadeUp .7s ease-out both}
.section:nth-child(2){animation:fadeUp .7s ease-out .15s both}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root {
    --bg: #08111C;
    --bg-1: #0B1623;
    --bg-2: #101F30;
    --primary: #23A8E0;
    --primary-light: #51C8F2;
    --green: #26E0A4;
    --amber: #F5B04C;
    --violet: #7B8CFF;
    --text-main: #D8E4F0;
    --text-sub: #93A7BC;
    --text-dim: #5C7186;
    --border: rgba(255,255,255,0.08);
    --glass-bg: rgba(255,255,255,0.04);
    --radius: 16px;
    --shadow-card: 0 4px 16px rgba(0,0,0,0.25);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.45);
    --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Inter", "JetBrains Mono", monospace;
    --header-h: 68px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background: radial-gradient(circle at 20% 10%, rgba(35,168,224,0.10) 0%, transparent 36%),
                radial-gradient(circle at 90% 30%, rgba(123,140,255,0.08) 0%, transparent 32%),
                linear-gradient(180deg, #08111C 0%, #0B1623 100%);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
  }

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

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

  button {
    font-family: inherit;
  }

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

  .section {
    padding: 84px 0;
  }

  .section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 48px;
  }

  .section-head h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.3px;
    color: var(--text-main);
    margin-bottom: 12px;
  }

  .section-head .subline {
    background: linear-gradient(90deg, var(--primary), var(--violet));
    width: 56px;
    height: 3px;
    border-radius: 99px;
    margin: 12px auto 18px;
  }

  .section-head p {
    color: var(--text-sub);
    font-size: 15px;
  }

  /* ---------- Buttons ---------- */
  .btn {
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    transition: all 0.25s ease;
    cursor: pointer;
  }

  .btn-main {
    background: linear-gradient(135deg, #23A8E0, #1668A8);
    color: #fff;
    box-shadow: 0 0 20px rgba(35,168,224,0.35), 0 4px 12px rgba(0,0,0,0.3);
  }

  .btn-main:hover,
  .btn-main:focus-visible {
    background: linear-gradient(135deg, #36B8ED, #1A7BC0);
    color: #fff;
    box-shadow: 0 0 30px rgba(35,168,224,0.45), 0 6px 16px rgba(0,0,0,0.35);
    transform: translateY(-1px);
  }

  .btn-main:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3), inset 0 2px 4px rgba(0,0,0,0.2);
  }

  .btn-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--text-main);
  }

  .btn-ghost:hover,
  .btn-ghost:focus-visible {
    border-color: var(--primary);
    background: rgba(35,168,224,0.1);
    color: var(--primary-light);
    transform: translateY(-1px);
  }

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

  .btn-amber:hover,
  .btn-amber:focus-visible {
    background: rgba(245,176,76,0.12);
    color: var(--amber);
    box-shadow: 0 0 16px rgba(245,176,76,0.2);
    transform: translateY(-1px);
  }

  .btn:focus-visible,
  .nav-link:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
  }

  /* ---------- Header ---------- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(8,17,28,0.85);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 999;
  }

  .header-inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

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

  .brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, #23A8E0, #7B8CFF);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 0 16px rgba(35,168,224,0.35);
  }

  .brand-name {
    font-size: 19px;
    font-weight: 700;
    background: linear-gradient(90deg, #51C8F2, #23A8E0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--primary-light);
    letter-spacing: -0.2px;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.04);
    color: var(--text-main);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

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

  .nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-menu .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-sub);
    padding: 8px 2px;
    margin: 0 14px;
    background: transparent;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
  }

  .nav-menu .nav-link:hover,
  .nav-menu .nav-link.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
  }

  .nav-extra {
    display: flex;
    align-items: center;
    gap: 18px;
  }

  .btn-nav-cta {
    padding: 9px 22px;
    font-size: 14px;
  }

  /* ---------- Mega Menu ---------- */
  .mega-wrap {
    position: relative;
  }

  .mega-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-sub);
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .mega-btn:hover,
  .mega-wrap.active .mega-btn {
    color: var(--primary-light);
    border-color: rgba(35,168,224,0.35);
    background: rgba(35,168,224,0.08);
  }

  .mega-panel {
    position: absolute;
    top: calc(100% + 14px);
    right: 0;
    width: 520px;
    background: rgba(16,31,48,0.96);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    box-shadow: 0 20px 48px rgba(0,0,0,0.5);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 100;
  }

  @supports not (backdrop-filter: blur(16px)) {
    .mega-panel {
      background: rgba(16,31,48,0.98);
    }
  }

  .mega-wrap.active .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .mega-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }

  .mega-col + .mega-col {
    border-left: 1px solid rgba(255,255,255,0.06);
    padding-left: 28px;
  }

  .mega-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
  }

  .mega-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-sub);
    font-size: 14px;
    padding: 8px 0;
    transition: all 0.2s ease;
  }

  .mega-link i {
    font-size: 12px;
    color: var(--primary);
    transition: transform 0.2s ease;
  }

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

  .mega-link:hover i {
    transform: translateX(4px);
  }

  .mega-news-item {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    margin: 6px -8px;
    transition: background 0.2s ease;
  }

  .mega-news-item:hover {
    background: rgba(255,255,255,0.04);
  }

  .mega-news-title {
    display: block;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mega-news-date {
    display: block;
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 2px;
  }

  .mega-empty {
    color: var(--text-dim);
    font-size: 13px;
  }

  /* ---------- Page Banner ---------- */
  .page-banner {
    position: relative;
    padding: 150px 0 72px;
    background: linear-gradient(rgba(5,15,25,0.68), rgba(5,15,25,0.45)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .page-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(180deg, transparent, var(--bg));
    pointer-events: none;
  }

  .breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 28px;
  }

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

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

  .breadcrumb-custom .sep {
    color: var(--text-dim);
    opacity: 0.6;
  }

  .breadcrumb-custom .current {
    color: var(--primary-light);
  }

  .banner-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.5px;
    color: #fff;
    margin-bottom: 14px;
  }

  .banner-subtitle {
    max-width: 620px;
    font-size: 17px;
    color: rgba(216,228,240,0.85);
    line-height: 1.7;
    margin-bottom: 24px;
  }

  .banner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-main);
  }

  .tag-chip i {
    color: var(--violet);
    font-size: 12px;
  }

  /* ---------- Stats ---------- */
  .stat-strip {
    position: relative;
    z-index: 2;
    margin-top: -24px;
    padding-bottom: 24px;
  }

  .stat-strip .container {
    background: linear-gradient(145deg, rgba(16,31,48,0.95), rgba(11,22,35,0.95));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    padding: 28px 32px;
  }

  .stat-card {
    text-align: center;
    padding: 18px 16px;
  }

  .stat-value {
    font-family: var(--font-num);
    font-size: 30px;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: -0.5px;
    display: block;
    margin-bottom: 4px;
    white-space: nowrap;
  }

  .stat-label {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.5;
  }

  /* ---------- Split Content ---------- */
  .split-block {
    border-radius: 20px;
    margin-bottom: 40px;
  }

  .split-row {
    display: flex;
    align-items: center;
    gap: 56px;
  }

  .split-row.mirror {
    flex-direction: row-reverse;
  }

  .split-media {
    flex: 0 0 46%;
    position: relative;
  }

  .split-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s ease;
  }

  .split-media img:hover {
    transform: scale(1.02);
  }

  .split-copy {
    flex: 1;
  }

  .split-copy .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--violet);
    background: rgba(123,140,255,0.12);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
  }

  .split-copy .eyebrow i {
    font-size: 12px;
  }

  .split-copy h3 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-main);
    margin-bottom: 14px;
  }

  .split-copy p {
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 16px;
  }

  .split-list {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: grid;
    gap: 8px;
  }

  .split-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-sub);
    font-size: 14px;
  }

  .split-list li i {
    color: var(--primary-light);
    margin-top: 5px;
    font-size: 13px;
  }

  /* ---------- Highlight ---------- */
  .highlight-section {
    padding: 24px 0 84px;
  }

  .bonus-highlight {
    position: relative;
    border-radius: 24px;
    padding: 44px;
    background: linear-gradient(135deg, rgba(123,140,255,0.14), rgba(35,168,224,0.06));
    border: 1px solid rgba(123,140,255,0.28);
    overflow: hidden;
  }

  .bonus-highlight::before {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(123,140,255,0.16);
    filter: blur(64px);
    top: -100px;
    right: -80px;
    pointer-events: none;
  }

  .bonus-highlight::after {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(35,168,224,0.12);
    filter: blur(50px);
    bottom: -80px;
    left: 30px;
    pointer-events: none;
  }

  .hl-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
  }

  .hl-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: linear-gradient(135deg, var(--violet), var(--primary));
    color: #fff;
    box-shadow: 0 0 20px rgba(123,140,255,0.3);
  }

  .hl-head h3 {
    font-size: 26px;
    font-weight: 700;
    margin: 0;
    color: var(--text-main);
  }

  .hl-head p {
    color: var(--text-sub);
    font-size: 14px;
    margin: 4px 0 0;
  }

  .hl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    position: relative;
    z-index: 1;
  }

  .hl-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 22px;
    transition: all 0.25s ease;
  }

  .hl-item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(123,140,255,0.3);
    transform: translateY(-2px);
  }

  .hl-item i {
    font-size: 20px;
    color: var(--violet);
    margin-top: 2px;
    flex-shrink: 0;
  }

  .hl-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
  }

  .hl-item p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
    line-height: 1.6;
  }

  /* ---------- Process ---------- */
  .process-section {
    padding: 84px 0;
    background: linear-gradient(180deg, transparent, rgba(16,31,48,0.4), transparent);
  }

  .process-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
  }

  .process-step {
    flex: 0 0 calc(25% - 24px);
    background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .process-step:nth-child(2) {
    transform: translateY(24px);
  }

  .process-step:nth-child(3) {
    transform: translateY(8px);
  }

  .process-step:nth-child(4) {
    transform: translateY(24px);
  }

  .process-step:hover {
    transform: translateY(0);
    box-shadow: var(--shadow-hover);
    border-color: rgba(123,140,255,0.3);
  }

  .step-num {
    font-family: var(--font-num);
    font-size: 15px;
    font-weight: 700;
    color: var(--violet);
    letter-spacing: 1px;
  }

  .step-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-light);
    background: rgba(35,168,224,0.12);
    margin: 16px 0;
  }

  .process-step h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
  }

  .process-step p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
  }

  /* ---------- Entry Cards ---------- */
  .entry-section {
    padding: 84px 0 0;
  }

  .entry-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    border-radius: 16px;
    padding: 28px;
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    min-height: 200px;
    position: relative;
    overflow: hidden;
  }

  .entry-card::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(35,168,224,0.08);
    filter: blur(40px);
  }

  .entry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(35,168,224,0.3);
  }

  .entry-card.primary {
    background: linear-gradient(135deg, rgba(35,168,224,0.18), rgba(123,140,255,0.12));
    border-color: rgba(35,168,224,0.28);
  }

  .entry-label {
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
  }

  .entry-label i {
    color: var(--primary);
  }

  .entry-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
  }

  .entry-desc {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .entry-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
  }

  .entry-link i {
    transition: transform 0.2s ease;
  }

  .entry-card:hover .entry-link i {
    transform: translateX(4px);
  }

  .entry-card .entry-bottom {
    margin-top: auto;
  }

  /* ---------- FAQ ---------- */
  .faq-section {
    padding: 84px 0;
  }

  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-wrap .accordion-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
  }

  .faq-wrap .accordion-button {
    background: transparent;
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    padding: 20px 24px;
    box-shadow: none;
    border-radius: 0;
    position: relative;
    border-left: 3px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease;
  }

  .faq-wrap .accordion-button:not(.collapsed) {
    background: rgba(255,255,255,0.04);
    border-left-color: var(--primary);
    color: var(--primary-light);
  }

  .faq-wrap .accordion-button:focus {
    box-shadow: none;
  }

  .faq-wrap .accordion-button::after {
    background-image: none;
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 14px;
    color: var(--text-sub);
    transition: transform 0.25s ease, color 0.25s ease;
    width: auto;
    height: auto;
  }

  .faq-wrap .accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
    color: var(--primary-light);
  }

  .faq-wrap .accordion-body {
    padding: 0 24px 20px 24px;
    border-left: 3px solid var(--primary);
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    margin-left: 1px;
  }

  /* ---------- CTA ---------- */
  .cta-section {
    padding: 24px 0 100px;
  }

  .cta-banner {
    position: relative;
    border-radius: 24px;
    padding: 64px 48px;
    text-align: center;
    background: linear-gradient(135deg, #0F2A42 0%, #1668A8 60%, #23A8E0 100%);
    overflow: hidden;
  }

  .cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 0%, rgba(255,255,255,0.12), transparent 60%);
    pointer-events: none;
  }

  .cta-banner h2 {
    position: relative;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
  }

  .cta-banner p {
    position: relative;
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    margin: 0 auto 28px;
    max-width: 620px;
  }

  .cta-banner .btn-group-cta {
    position: relative;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
  }

  /* ---------- Footer ---------- */
  .site-footer {
    background: #060D16;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 64px 0 24px;
  }

  .footer-top {
    margin-bottom: 40px;
  }

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

  .footer-brand .brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    font-size: 15px;
  }

  .footer-brand .brand-name {
    font-size: 18px;
  }

  .footer-desc {
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.7;
    max-width: 360px;
    margin-bottom: 0;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 18px;
  }

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

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

  .footer-col ul a {
    color: var(--text-sub);
    font-size: 14px;
  }

  .footer-col ul a:hover {
    color: var(--primary-light);
  }

  .footer-contact div {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-sub);
    font-size: 14px;
    margin-bottom: 10px;
  }

  .footer-contact i {
    color: var(--primary);
    width: 16px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  .footer-bottom p {
    margin: 0;
    color: var(--text-dim);
    font-size: 13px;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 1199.98px) {
    .process-step {
      flex: 0 0 calc(25% - 24px);
    }
  }

  @media (max-width: 991.98px) {
    .section {
      padding: 64px 0;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .nav-wrap {
      position: absolute;
      top: var(--header-h);
      left: 0;
      right: 0;
      display: none;
      flex-direction: column;
      align-items: stretch;
      background: rgba(8,17,28,0.98);
      border-bottom: 1px solid var(--border);
      padding: 16px 20px;
      gap: 12px;
      max-height: calc(100vh - var(--header-h));
      overflow-y: auto;
    }

    .nav-wrap.open {
      display: flex;
    }

    .nav-menu {
      flex-direction: column;
      align-items: stretch;
      gap: 4px;
    }

    .nav-menu .nav-link {
      margin: 0;
      padding: 12px 4px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .nav-menu .nav-link.active {
      border-bottom-color: var(--primary);
    }

    .nav-extra {
      flex-direction: column;
      align-items: stretch;
      gap: 12px;
      margin-top: 12px;
    }

    .mega-wrap {
      width: 100%;
    }

    .mega-btn {
      width: 100%;
      justify-content: space-between;
    }

    .mega-panel {
      position: static;
      width: 100%;
      opacity: 1;
      visibility: visible;
      transform: none;
      display: none;
      margin-top: 8px;
    }

    .mega-wrap.active .mega-panel {
      display: block;
    }

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

    .page-banner {
      padding: 120px 0 56px;
    }

    .banner-title {
      font-size: 34px;
    }

    .split-row,
    .split-row.mirror {
      flex-direction: column;
      gap: 32px;
    }

    .split-media {
      flex: 0 0 auto;
      width: 100%;
    }

    .process-list {
      gap: 20px;
    }

    .process-step,
    .process-step:nth-child(2),
    .process-step:nth-child(3),
    .process-step:nth-child(4) {
      flex: 0 0 calc(50% - 20px);
      transform: none;
    }

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

  @media (max-width: 767.98px) {
    .stat-strip .container {
      padding: 20px;
    }

    .stat-card {
      padding: 12px 8px;
    }

    .stat-value {
      font-size: 24px;
    }

    .bonus-highlight {
      padding: 28px;
    }

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

    .cta-banner {
      padding: 44px 24px;
    }

    .cta-banner h2 {
      font-size: 26px;
    }
  }

  @media (max-width: 575.98px) {
    .section {
      padding: 48px 0;
    }

    .section-head h2 {
      font-size: 23px;
    }

    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .page-banner {
      padding: 100px 0 40px;
    }

    .banner-title {
      font-size: 28px;
    }

    .banner-subtitle {
      font-size: 15px;
    }

    .stat-strip .container {
      padding: 16px 12px;
    }

    .stat-card {
      text-align: left;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 4px;
    }

    .stat-value {
      font-size: 22px;
      margin-bottom: 0;
      min-width: 72px;
    }

    .stat-label {
      font-size: 12px;
    }

    .split-copy h3 {
      font-size: 21px;
    }

    .split-copy p {
      font-size: 15px;
    }

    .hl-head h3 {
      font-size: 21px;
    }

    .process-step,
    .process-step:nth-child(2),
    .process-step:nth-child(3),
    .process-step:nth-child(4) {
      flex: 0 0 100%;
      transform: none;
    }

    .entry-card {
      padding: 24px;
      min-height: 0;
    }

    .cta-banner {
      padding: 36px 20px;
    }

    .cta-banner h2 {
      font-size: 24px;
    }

    .footer-bottom {
      flex-direction: column;
      gap: 4px;
      text-align: center;
    }
  }