/* roulang page: index */
:root {
  --primary: #0B1B3A;
  --cobalt: #1E4FA3;
  --gold: #C5A659;
  --gold-light: #E8C877;
  --bg: #060D1F;
  --text: #E8ECF4;
  --text-muted: #8A94A8;
  --border: rgba(255,255,255,0.12);
  --card-bg: rgba(255,255,255,0.05);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.35);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.25);
  --shadow-gold: 0 4px 20px rgba(197,166,89,0.35);
  --transition: 240ms cubic-bezier(0.22, 1, 0.36, 1);
  --font-cn: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Manrope", -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

button, input {
  font-family: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section {
  padding: 88px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(197,166,89,0.12);
  border: 1px solid rgba(197,166,89,0.25);
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  line-height: 1.4;
  min-height: 44px;
  border: 1px solid transparent;
}

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

.btn-primary {
  background: linear-gradient(135deg, #C5A659, #D8B877 50%, #CBA35E);
  color: #0B1B3A;
  box-shadow: var(--shadow-gold);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(197,166,89,0.45);
  background: linear-gradient(135deg, #D2B467, #E2C787 50%, #D0AD66);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 12px rgba(197,166,89,0.3);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(197,166,89,0.08);
  color: var(--gold);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
  min-height: 48px;
  border-radius: 10px;
}

/* ========== Header / Nav ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  z-index: 100;
  background: rgba(6, 13, 31, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(6, 13, 31, 0.88);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}

.logo-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #C5A659, #E8C877);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #0B1B3A;
  position: relative;
  transform: rotate(45deg);
}

.logo-icon span {
  transform: rotate(-45deg);
  font-size: 10px;
  font-weight: 900;
}

.nav-logo-text {
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff, #D8DCE5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: #C6CDDB;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
  font-weight: 500;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.04);
}

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(197,166,89,0.6);
}

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

.search-box {
  display: flex;
  align-items: center;
  width: 180px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0 12px;
  gap: 8px;
  transition: all var(--transition);
  position: relative;
}

.search-box:focus-within {
  width: 260px;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(197,166,89,0.15);
  background: rgba(255,255,255,0.08);
}

.search-box i {
  color: var(--text-muted);
  font-size: 13px;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 13px;
  height: 100%;
}

.search-box input::placeholder {
  color: rgba(138,148,168,0.7);
}

.search-kbd {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: var(--font-num);
  flex-shrink: 0;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(6,13,31,0.9);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(197,166,89,0.3);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 16px;
  display: none;
  z-index: 120;
}

.search-box:focus-within .search-dropdown {
  display: block;
}

.search-dropdown .sd-title {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.search-dropdown .sd-item {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}

.search-dropdown .sd-item:hover {
  background: rgba(197,166,89,0.1);
  color: var(--gold);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-header {
  height: 36px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #C5A659, #D8B877);
  color: #0B1B3A;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-header:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(197,166,89,0.4);
}

.login-btn {
  font-size: 14px;
  color: #C6CDDB;
  cursor: pointer;
  transition: color var(--transition);
  padding: 4px 8px;
  border-radius: 6px;
}

.login-btn:hover {
  color: #fff;
}

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.hamburger:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(6,13,31,0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 200;
  padding: 80px 24px 40px;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .mm-link {
  font-size: 20px;
  color: var(--text);
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-weight: 600;
  transition: all var(--transition);
}

.mobile-menu .mm-link:hover {
  color: var(--gold);
  padding-left: 8px;
}

.mobile-menu .mm-search {
  width: 100%;
  height: 44px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  margin-bottom: 16px;
}

.mobile-menu .mm-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
}

.mobile-menu .mm-cta {
  margin-top: 20px;
  width: 100%;
}

.mobile-menu .mm-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.mobile-menu .mm-close:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ========== Hero ========== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  background: 
    url('/assets/images/backpic/back-1.png') center 40% / cover no-repeat,
    linear-gradient(160deg, #0B1B3A 0%, #060D1F 70%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(197,166,89,0.14) 0%, transparent 60%);
  filter: blur(80px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197,166,89,0.3), transparent);
}

.hero .row {
  width: 100%;
  position: relative;
  z-index: 2;
  align-items: center;
  display: flex;
}

.hero-content {
  padding-right: 24px;
}

.hero .col {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gold);
  background: rgba(197,166,89,0.12);
  border: 1px solid rgba(197,166,89,0.25);
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 20px;
  letter-spacing: 0.3px;
  font-weight: 500;
}

.hero-badge .dot-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(197,166,89,0.8);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-title .gold-text {
  background: linear-gradient(135deg, #C5A659, #E8C877);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-title .gold-underline {
  display: block;
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin-top: 12px;
  border-radius: 2px;
}

.hero-subtitle {
  font-size: 18px;
  color: #C6CDDB;
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-sub-note {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-meta .stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 2px;
}

.hero-meta .dot-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.6;
}

.hero-meta .score {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--text);
  font-size: 14px;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-card {
  width: 440px;
  max-width: 100%;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(197,166,89,0.1);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 4.5;
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}

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

.hero-card .glass-tip {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(6,13,31,0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 13px;
  color: #E8ECF4;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-card .glass-tip i {
  color: var(--gold);
  font-size: 14px;
}

.hero-float-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #C5A659, #E8C877);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B1B3A;
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(197,166,89,0.5);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ========== Trust Strip ========== */
.trust-strip {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 24px 0;
}

.trust-strip .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.trust-item-mini {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  padding: 8px 4px;
}

.trust-item-mini i {
  color: var(--gold);
  font-size: 18px;
}

.trust-item-mini strong {
  color: var(--text);
  font-family: var(--font-num);
  font-size: 16px;
}

/* ========== Features ========== */
.features-section {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(11,27,58,0.35) 100%);
}

.features-section .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -16px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  height: 100%;
  transition: all var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197,166,89,0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(197,166,89,0.4);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(197,166,89,0.12);
  border: 1px solid rgba(197,166,89,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, #C5A659, #E8C877);
  color: #0B1B3A;
  box-shadow: var(--shadow-gold);
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.2px;
  color: #fff;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.feature-link {
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}

.feature-link i {
  font-size: 12px;
  transition: transform var(--transition);
}

.feature-link:hover {
  gap: 8px;
}

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

/* ========== Testimonials ========== */
.testimonials-section {
  background: rgba(11,27,58,0.25);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 16px 4px 32px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.testimonial-track::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  flex: 0 0 calc((100% - 48px) / 3);
  scroll-snap-align: start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-color: rgba(197,166,89,0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-card .stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.testimonial-card .quote {
  font-size: 14px;
  color: #C6CDDB;
  line-height: 1.8;
  margin-bottom: 20px;
  min-height: 84px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1E4FA3, #0B1B3A);
  border: 2px solid rgba(197,166,89,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}

.testimonial-author .nickname {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.testimonial-author .verify {
  font-size: 12px;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 6px;
}

.testimonial-author .role {
  font-size: 12px;
  color: var(--text-muted);
  display: block;
}

/* ========== Guarantee ========== */
.guarantee-section {
  background: var(--bg);
}

.guarantee-section .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -16px;
}

.guarantee-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  height: 100%;
  transition: all var(--transition);
}

.guarantee-item:hover {
  border-color: rgba(197,166,89,0.3);
  background: rgba(255,255,255,0.05);
}

.guarantee-item .g-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: rgba(197,166,89,0.1);
  border: 1px solid rgba(197,166,89,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gold);
}

.guarantee-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.guarantee-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== CTA Section ========== */
.cta-section {
  padding: 100px 0;
  position: relative;
  background:
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(11,27,58,0.92) 0%, rgba(6,13,31,0.85) 50%, rgba(30,79,163,0.3) 100%);
}

.cta-section .cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-section p {
  font-size: 16px;
  color: #C6CDDB;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.cta-gold-glow {
  position: absolute;
  top: 20%;
  right: 15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(197,166,89,0.15), transparent 70%);
  filter: blur(80px);
  z-index: 1;
  pointer-events: none;
}

/* ========== News Section ========== */
.news-section {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(11,27,58,0.2) 100%);
}

.news-section .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -16px;
}

.news-col {
  padding: 0 16px;
  margin-bottom: 32px;
}

.news-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition: all var(--transition);
  position: relative;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(197,166,89,0.4);
  box-shadow: var(--shadow-lg);
}

.news-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.news-card:hover .news-thumb img {
  transform: scale(1.05);
}

.news-body {
  padding: 18px 16px 16px;
}

.news-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--gold);
  background: rgba(197,166,89,0.12);
  border: 1px solid rgba(197,166,89,0.2);
  border-radius: 4px;
  padding: 2px 10px;
  margin-bottom: 10px;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: #fff;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  min-height: 44px;
}

.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 12px;
}

.news-date {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-num);
}

.news-more {
  font-size: 13px;
  color: var(--gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.news-more:hover {
  gap: 8px;
}

.empty-state {
  background: var(--card-bg);
  border: 1px dashed rgba(197,166,89,0.3);
  border-radius: var(--radius-lg);
  padding: 60px 20px;
  text-align: center;
  width: 100%;
  grid-column: 1 / -1;
}

.empty-state p {
  font-size: 16px;
  color: #C6CDDB;
}

.empty-state small {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ========== FAQ ========== */
.faq-section {
  background: rgba(11,27,58,0.2);
  border-top: 1px solid rgba(255,255,255,0.04);
}

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

.accordion {
  list-style: none;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.accordion-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.accordion-title::after {
  content: "+";
  font-size: 20px;
  color: var(--gold);
  font-weight: 400;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(197,166,89,0.1);
  border: 1px solid rgba(197,166,89,0.25);
  flex-shrink: 0;
  transition: transform 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
  background: rgba(197,166,89,0.2);
}

.accordion-title:hover {
  background: rgba(255,255,255,0.02);
  color: var(--gold-light);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.accordion-item.is-active .accordion-content {
  max-height: 300px;
}

.accordion-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ========== Footer ========== */
.site-footer {
  background: #050A18;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 64px 0 0;
  position: relative;
}

.site-footer .row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -16px;
}

.footer-col {
  padding: 0 16px;
  margin-bottom: 40px;
}

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

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

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

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

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 32px;
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(138,148,168,0.7);
  font-family: var(--font-num);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: rgba(138,148,168,0.7);
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--gold);
}

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
  .nav-center {
    display: none;
  }
  .search-box {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero-title {
    font-size: 36px;
  }
  .testimonial-card {
    flex-basis: calc((100% - 24px) / 2);
  }
}

@media screen and (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .section {
    padding: 64px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .hero {
    padding: 96px 0 60px;
    min-height: auto;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-visual {
    margin-top: 40px;
  }
  .hero-card {
    width: 320px;
  }
  .testimonial-card {
    flex-basis: 100%;
  }
  .cta-section {
    padding: 64px 0;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .header-inner {
    padding: 0 16px;
  }
  .btn-header {
    display: none;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 639px) {
  .login-btn {
    display: none;
  }
  .section-desc {
    font-size: 14px;
    margin-bottom: 32px;
  }
  .feature-card h3 {
    font-size: 18px;
  }
  .accordion-title {
    font-size: 14px;
    padding: 16px 18px;
  }
  .accordion-title::after {
    width: 24px;
    height: 24px;
    font-size: 17px;
  }
  .accordion-inner {
    font-size: 13px;
    padding: 0 18px 16px;
  }
}

@media screen and (max-width: 400px) {
  .hero-title {
    font-size: 26px;
  }
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta .btn {
    width: 100%;
  }
}

/* roulang page: category1 */
:root {
            --primary: #0B1B3A;
            --primary-light: #1E4FA3;
            --gold: #C5A659;
            --gold-light: #E8C877;
            --gold-soft: rgba(197, 166, 89, 0.14);
            --gold-pop: rgba(197, 166, 89, 0.30);
            --bg: #060D1F;
            --bg-deep: #040A17;
            --text: #E8ECF4;
            --text-secondary: #8A94A8;
            --text-dim: #4A5468;
            --text-muted: #C6CDDB;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-hover-border: rgba(197, 166, 89, 0.45);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-xs: 8px;
            --shadow-glass: 0 12px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            --shadow-gold: 0 4px 20px rgba(197, 166, 89, 0.35);
            --transition: 240ms cubic-bezier(0.22, 1, 0.36, 1);
            --transition-slow: 360ms cubic-bezier(0.22, 1, 0.36, 1);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Microsoft YaHei", sans-serif;
            --font-en: Inter, "Manrope", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), transform var(--transition);
        }
        ul, ol {
            list-style: none;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        h1 {
            font-size: clamp(2rem, 4.4vw, 3rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
        }
        h3 {
            font-size: clamp(1.05rem, 1.6vw, 1.35rem);
            font-weight: 600;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding: 90px 0;
        }
        @media screen and (max-width: 640px) {
            .section-pad {
                padding: 56px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Sticky Header / Command Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            display: flex;
            align-items: center;
            background: rgba(6, 13, 31, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(6, 13, 31, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom-color: rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(197, 166, 89, 0.25);
        }
        .logo-icon span {
            color: var(--primary);
            font-weight: 800;
            font-size: 15px;
            font-family: var(--font-en);
        }
        .nav-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.2px;
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }
        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--text);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(197, 166, 89, 0.5);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .cmd-search {
            position: relative;
            flex-shrink: 0;
        }
        .search-input {
            width: 180px;
            height: 36px;
            border-radius: var(--radius-xs);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            padding: 0 12px 0 32px;
            font-size: 13px;
            color: var(--text);
            transition: width var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .search-input::placeholder {
            color: var(--text-dim);
        }
        .search-input:focus {
            width: 260px;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(197, 166, 89, 0.15);
        }
        .search-icon {
            position: absolute;
            left: 10px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 12px;
            color: var(--text-dim);
            pointer-events: none;
        }
        .shortcut-hint {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            font-family: var(--font-en);
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 4px;
            padding: 0 5px;
            line-height: 1.6;
            pointer-events: none;
        }
        .btn-quick {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 14px;
        }
        .btn-quick:hover {
            color: var(--gold);
            border-color: var(--gold-pop);
            background: var(--gold-soft);
        }
        .btn-login {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            padding: 4px 8px;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition);
        }
        .btn-login:hover {
            color: var(--gold);
        }
        .btn-primary-sm {
            height: 36px;
            padding: 0 18px;
            border-radius: var(--radius-xs);
            background: linear-gradient(135deg, var(--gold), var(--gold-light) 50%, #CBA35E);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
        }
        .btn-primary-sm:hover {
            box-shadow: 0 6px 25px rgba(197, 166, 89, 0.5);
            transform: translateY(-1px);
        }
        .btn-primary-sm:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-primary-sm:focus-visible,
        .btn-ghost:focus-visible,
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: none;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: min(320px, 85vw);
            background: rgba(6, 13, 31, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1100;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            visibility: hidden;
        }
        .mobile-drawer.open {
            transform: translateX(0);
            visibility: visible;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition);
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 15px;
        }
        .drawer-close:hover {
            color: var(--gold);
            border-color: var(--gold-pop);
        }
        .drawer-link {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition);
        }
        .drawer-link:hover {
            color: var(--gold);
        }
        .drawer-link.active {
            color: var(--gold);
        }
        .drawer-search {
            position: relative;
        }
        .drawer-search .search-input {
            width: 100%;
            height: 40px;
        }
        .drawer-cta {
            margin-top: auto;
        }

        @media screen and (max-width: 1024px) {
            .nav-center, .cmd-search, .btn-login {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }
        @media screen and (max-width: 640px) {
            .header-inner {
                padding: 0 16px;
            }
            .btn-primary-sm {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 82% -10%, rgba(197, 166, 89, 0.16), transparent 62%),
                radial-gradient(ellipse at -10% 110%, rgba(30, 79, 163, 0.30), transparent 55%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 13, 31, 0.94) 0%, rgba(6, 13, 31, 0.72) 48%, rgba(6, 13, 31, 0.30) 100%);
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .hero-copy {
            flex: 1.1;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .hero-breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .hero-breadcrumb a:hover {
            color: var(--gold);
        }
        .hero-breadcrumb .sep {
            color: var(--text-dim);
            font-size: 14px;
        }
        .hero-breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 2.9rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--text), var(--text));
            -webkit-background-clip: text;
            background-clip: text;
        }
        .page-hero h1 .gold-text {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 8px;
            max-width: 540px;
        }
        .hero-sub2 {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .btn-primary {
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold), var(--gold-light) 50%, #CBA35E);
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
            border: none;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 25px rgba(197, 166, 89, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(1px) scale(0.98);
        }
        .btn-secondary {
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: rgba(197, 166, 89, 0.08);
            transform: translateY(-2px);
        }
        .hero-metrics {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .metric-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .metric-item i {
            color: var(--gold);
        }
        .metric-item .num {
            font-family: var(--font-en);
            font-weight: 700;
            color: var(--text);
            font-size: 14px;
        }
        .metric-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
        }

        .hero-visual {
            flex: 0 0 420px;
            position: relative;
        }
        .hero-visual .glass-frame {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass), 0 20px 60px rgba(197, 166, 89, 0.12);
            padding: 10px;
            transform: rotate(1deg);
            transition: transform var(--transition-slow);
        }
        .hero-visual .glass-frame:hover {
            transform: rotate(0deg) scale(1.01);
        }
        .hero-visual img {
            border-radius: 12px;
            width: 100%;
            height: 390px;
            object-fit: cover;
        }
        .hero-visual .glow {
            position: absolute;
            top: -30px;
            right: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197, 166, 89, 0.35), transparent 70%);
            filter: blur(40px);
            pointer-events: none;
            z-index: -1;
        }
        .float-badge {
            position: absolute;
            bottom: 20px;
            left: -18px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 20px rgba(197, 166, 89, 0.35);
            font-size: 18px;
            color: var(--primary);
        }

        @media screen and (max-width: 1024px) {
            .page-hero {
                padding: 120px 0 56px;
            }
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 460px;
            }
            .hero-visual img {
                height: 320px;
            }
        }
        @media screen and (max-width: 640px) {
            .page-hero {
                padding: 100px 0 40px;
            }
            .hero-visual img {
                height: 240px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section General ===== */
        .section-head {
            text-align: center;
            margin-bottom: 56px;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--gold);
            background: rgba(197, 166, 89, 0.10);
            border: 1px solid rgba(197, 166, 89, 0.20);
            border-radius: 20px;
            padding: 4px 16px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 620px;
            margin: 0 auto;
        }

        /* ===== Community Overview (Image + Text) ===== */
        .overview-section {
            padding: 90px 0;
            background: linear-gradient(180deg, rgba(6, 13, 31, 0) 0%, rgba(30, 79, 163, 0.05) 50%, rgba(6, 13, 31, 0) 100%);
        }
        .overview-grid {
            display: flex;
            align-items: center;
            gap: 56px;
        }
        .overview-grid.reverse {
            flex-direction: row-reverse;
        }
        .overview-media {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-glass);
            border: 1px solid var(--glass-border);
        }
        .overview-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .overview-media:hover img {
            transform: scale(1.02);
        }
        .overview-copy {
            flex: 1;
        }
        .overview-copy h2 {
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            margin-bottom: 16px;
        }
        .overview-copy p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 15px;
        }
        .overview-copy .feature-list {
            margin-top: 20px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            color: var(--text-muted);
            font-size: 14px;
        }
        .feature-list li i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 12px;
        }
        @media screen and (max-width: 900px) {
            .overview-grid, .overview-grid.reverse {
                flex-direction: column;
                gap: 36px;
            }
            .overview-media img {
                height: 260px;
            }
        }

        /* ===== Feature Cards (Staggered) ===== */
        .features-section {
            padding: 90px 0;
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }
        .features-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(197, 166, 89, 0.06), transparent 70%);
            pointer-events: none;
        }
        .feature-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            max-width: 1080px;
            margin: 0 auto;
        }
        .feature-card {
            flex: 1 1 calc(33.333% - 20px);
            min-width: 280px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: var(--shadow-glass);
            position: relative;
            overflow: hidden;
            transition: all var(--transition-slow);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(197, 166, 89, 0.5), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-hover-border);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:nth-child(2) {
            margin-top: 36px;
        }
        .feature-card:nth-child(3) {
            margin-top: 68px;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--gold-soft), rgba(197, 166, 89, 0.06));
            border: 1px solid rgba(197, 166, 89, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gold);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .feature-link {
            font-size: 14px;
            color: var(--gold);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .feature-link:hover {
            gap: 10px;
            color: var(--gold-light);
        }
        @media screen and (max-width: 680px) {
            .feature-card {
                flex: 1 1 100%;
            }
            .feature-card:nth-child(2),
            .feature-card:nth-child(3) {
                margin-top: 0;
            }
        }

        /* ===== Scenes ===== */
        .scenes-section {
            padding: 90px 0;
            background: linear-gradient(180deg, var(--bg), rgba(30, 79, 163, 0.06) 50%, var(--bg));
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scene-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            transition: all var(--transition-slow);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            border-color: var(--glass-hover-border);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
        }
        .scene-thumb {
            position: relative;
            overflow: hidden;
            height: 180px;
        }
        .scene-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scene-card:hover .scene-thumb img {
            transform: scale(1.05);
        }
        .scene-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(6, 13, 31, 0.75);
            backdrop-filter: blur(8px);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(197, 166, 89, 0.25);
        }
        .scene-body {
            padding: 22px 24px 26px;
        }
        .scene-body h3 {
            margin-bottom: 8px;
        }
        .scene-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .scene-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .scene-tags .tag {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 3px 10px;
            border-radius: 16px;
            transition: all var(--transition);
        }
        .scene-tags .tag:hover {
            border-color: var(--gold-pop);
            color: var(--gold);
        }
        @media screen and (max-width: 900px) {
            .scene-grid {
                grid-template-columns: 1fr;
                max-width: 460px;
                margin: 0 auto;
            }
        }

        /* ===== Steps Timeline ===== */
        .steps-section {
            padding: 90px 0;
            background: var(--bg-deep);
            position: relative;
        }
        .steps-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 70%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(197, 166, 89, 0.15), transparent);
        }
        .steps-row {
            display: flex;
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 34px;
            left: 11%;
            right: 11%;
            height: 1px;
            background: linear-gradient(90deg, var(--gold) 0%, rgba(197, 166, 89, 0.5) 30%, rgba(197, 166, 89, 0.15) 70%, var(--gold) 100%);
        }
        .step-item {
            flex: 1;
            text-align: center;
            padding: 0 10px;
            position: relative;
            z-index: 1;
        }
        .step-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--primary);
            font-family: var(--font-en);
            font-size: 17px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(197, 166, 89, 0.3);
        }
        .step-item h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media screen and (max-width: 640px) {
            .steps-row {
                flex-direction: column;
                gap: 32px;
            }
            .steps-row::before {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: linear-gradient(180deg, var(--bg), rgba(30, 79, 163, 0.04) 50%, var(--bg));
        }
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(10px);
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(197, 166, 89, 0.12);
            border: 1px solid rgba(197, 166, 89, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-en);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms cubic-bezier(0.22, 1, 0.36, 1);
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-inner {
            border-radius: 24px;
            padding: 72px 48px;
            background:
                radial-gradient(ellipse at 80% -20%, rgba(197, 166, 89, 0.28), transparent 55%),
                radial-gradient(ellipse at 10% 120%, rgba(30, 79, 163, 0.30), transparent 60%),
                linear-gradient(135deg, #0B1B3A, #0F2852);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            text-align: center;
            max-width: 960px;
            margin: 0 auto;
            position: relative;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            margin-bottom: 16px;
            color: var(--text);
        }
        .cta-inner p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-links {
            margin-top: 40px;
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
        }
        .cta-links a {
            color: var(--text-secondary);
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }
        .cta-links a:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }
        .cta-links .sep {
            color: var(--text-dim);
        }
        @media screen and (max-width: 640px) {
            .cta-inner {
                padding: 48px 20px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn-primary, .cta-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #040A17;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 72px 0 0;
        }
        .footer-col {
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 14px 0 20px;
            max-width: 260px;
        }
        .footer-social {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            color: var(--gold);
            border-color: var(--gold-pop);
            transform: translateY(-2px);
            background: var(--gold-soft);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
            display: inline-block;
        }
        .footer-links li a:hover {
            color: var(--gold);
            transform: translateX(3px);
        }
        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 20px;
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-dim);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--gold);
        }
        @media screen and (max-width: 640px) {
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                gap: 12px;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-ghost:focus-visible,
        .search-input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .search-input:focus-visible {
            outline-color: var(--gold-light);
        }

/* roulang page: article */
:root{
  --bg-base:#060D1F;
  --bg-deep:#0B1B3A;
  --blue-bright:#1E4FA3;
  --gold:#C5A659;
  --gold-light:#E8C877;
  --gold-grad:linear-gradient(135deg,#C5A659,#D8B877 50%,#CBA35E);
  --text-main:#E8ECF4;
  --text-sub:#8A94A8;
  --text-weak:#5B667A;
  --glass-bg:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.12);
  --gold-border:rgba(197,166,89,0.45);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-glass:0 12px 40px rgba(0,0,0,0.35),inset 0 1px 0 rgba(255,255,255,0.08);
  --shadow-gold:0 4px 20px rgba(197,166,89,0.35);
  --ease:cubic-bezier(0.22,1,0.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
  --font-en:"Inter","Manrope",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--bg-base);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button,input{font-family:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1200px;margin:0 auto}
.row .row{max-width:100%}
::selection{background:rgba(197,166,89,0.3);color:#fff}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:9px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);
  font-family:var(--font-cn);line-height:1;white-space:nowrap;
}
.btn-gold{
  background:var(--gold-grad);color:var(--bg-deep);
  box-shadow:var(--shadow-gold);font-weight:700;
}
.btn-gold:hover{
  box-shadow:0 8px 25px rgba(197,166,89,0.5);transform:translateY(-2px);color:var(--bg-deep);
}
.btn-gold:active{transform:translateY(0);box-shadow:0 4px 12px rgba(197,166,89,0.3)}
.btn-gold:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-secondary{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.3);color:#fff;
}
.btn-secondary:hover{border-color:var(--gold);background:rgba(255,255,255,0.08);transform:translateY(-2px);color:var(--gold-light)}
.btn-secondary:active{transform:translateY(0)}
.btn-secondary:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-sm{height:36px;padding:0 18px;font-size:14px;border-radius:8px}
.btn-lg{height:50px;padding:0 36px;font-size:16px;border-radius:10px}
.btn-ghost{
  background:transparent;border:1px solid rgba(197,166,89,0.45);color:var(--gold);
}
.btn-ghost:hover{background:rgba(197,166,89,0.1);border-color:var(--gold);transform:translateY(-2px)}

/* 导航 */
.site-nav{
  position:fixed;top:0;left:0;width:100%;z-index:1000;height:64px;
  background:rgba(6,13,31,0.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);transition:all .3s var(--ease);
}
.site-nav.scrolled{
  background:rgba(6,13,31,0.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);box-shadow:0 4px 30px rgba(0,0,0,0.3);
}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:64px;position:relative}
.nav-left{display:flex;align-items:center;flex-shrink:0}
.nav-logo{display:flex;align-items:center;gap:10px}
.logo-icon{
  width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;position:relative;margin-right:2px;
}
.logo-icon::before{
  content:'';position:absolute;inset:0;
  background:var(--gold-grad);transform:rotate(45deg);border-radius:6px;
  box-shadow:0 4px 12px rgba(197,166,89,0.35);
}
.logo-icon span{
  position:relative;z-index:1;color:var(--bg-deep);font-weight:900;
  font-size:13px;line-height:1;font-family:var(--font-en);
}
.nav-logo-text{font-size:18px;font-weight:700;letter-spacing:-0.3px;color:var(--text-main);white-space:nowrap}
.nav-center{display:flex;align-items:center;gap:8px;position:absolute;left:50%;transform:translateX(-50%)}
.nav-link{
  position:relative;padding:8px 16px;font-size:14px;color:#C6CDDB;font-weight:500;
  border-radius:8px;transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.05)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:'';position:absolute;left:50%;bottom:2px;width:18px;height:2px;
  background:var(--gold);border-radius:2px;transform:translateX(-50%);
}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{
  position:relative;display:flex;align-items:center;width:180px;height:36px;
  background:rgba(255,255,255,0.05);border:1px solid var(--glass-border);
  border-radius:8px;padding:0 12px;transition:all .3s var(--ease);
}
.nav-search:hover{border-color:rgba(197,166,89,0.3)}
.nav-search:focus-within{
  width:260px;border-color:var(--gold);background:rgba(255,255,255,0.07);
  box-shadow:0 0 0 3px rgba(197,166,89,0.15);
}
.nav-search i{color:var(--text-sub);font-size:13px;margin-right:8px}
.nav-search input{
  flex:1;background:transparent;border:none;color:var(--text-main);font-size:13px;
  width:100%;min-width:0;
}
.nav-search input::placeholder{color:var(--text-weak)}
.search-kbd{
  font-size:11px;color:var(--text-sub);background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.1);border-radius:4px;padding:2px 6px;
  font-family:var(--font-en);margin-left:6px;flex-shrink:0;
}
.nav-login{
  font-size:14px;color:var(--text-sub);padding:6px 10px;border-radius:8px;
  transition:all .24s var(--ease);white-space:nowrap;
}
.nav-login:hover{color:var(--gold)}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.06);border:1px solid var(--glass-border);
  border-radius:8px;color:var(--text-main);font-size:18px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold)}

/* 文章 Hero */
.article-hero{
  position:relative;padding:140px 0 80px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.article-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,13,31,0.94) 20%,rgba(6,13,31,0.88) 100%);
}
.article-hero::after{
  content:'';position:absolute;top:-100px;right:-100px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(197,166,89,0.14),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.article-hero-inner{max-width:900px;margin:0 auto;text-align:center}
.article-badges{display:flex;justify-content:center;gap:14px;margin-bottom:24px;flex-wrap:wrap}
.badge-category,.badge-date{
  display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:30px;
  font-size:13px;font-weight:500;letter-spacing:0.3px;
}
.badge-category{
  background:rgba(197,166,89,0.12);color:var(--gold);border:1px solid rgba(197,166,89,0.3);
}
.badge-date{
  background:rgba(255,255,255,0.05);color:var(--text-sub);border:1px solid var(--glass-border);
}
.badge-date i{color:var(--gold)}
.article-hero h1{
  font-size:42px;font-weight:800;line-height:1.3;letter-spacing:-0.5px;
  color:var(--text-main);margin-bottom:20px;
}
.article-summary{
  font-size:16px;line-height:1.8;color:var(--text-sub);max-width:680px;margin:0 auto;
}

/* 面包屑 */
.breadcrumb-wrap{
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,0.06);
  background:rgba(6,13,31,0.6);
}
.breadcrumb-wrap .container{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-sub)}
.breadcrumb-wrap a{color:var(--text-sub);transition:color .24s var(--ease)}
.breadcrumb-wrap a:hover{color:var(--gold)}
.breadcrumb-wrap .sep{color:var(--text-weak);margin:0 2px}
.breadcrumb-wrap .current{color:var(--text-main);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 正文区 */
.article-content-section{
  padding:70px 0;position:relative;
}
.article-content-section::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:90%;height:1px;background:linear-gradient(90deg,transparent,rgba(197,166,89,0.25),transparent);
}
.article-body{
  max-width:860px;margin:0 auto;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-glass);
  padding:48px 56px;
}
.article-body p{
  font-size:16px;line-height:1.9;color:#C6CDDB;margin-bottom:28px;
}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--text-main);
  margin:40px 0 18px;padding-left:14px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--gold-grad);border-radius:3px;
}
.article-body h3{
  font-size:20px;font-weight:600;color:var(--text-main);margin:32px 0 14px;
}
.article-body ul,.article-body ol{margin:0 0 28px 22px;color:#C6CDDB;font-size:16px;line-height:1.9}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--gold)}
.article-body img{
  border-radius:var(--radius-md);margin:32px auto;box-shadow:0 8px 30px rgba(0,0,0,0.4);
  max-width:100%;height:auto;
}
.article-body blockquote{
  border-left:3px solid var(--gold);background:rgba(197,166,89,0.06);
  padding:20px 24px;border-radius:0 var(--radius-md) var(--radius-md) 0;
  margin:32px 0;color:var(--text-sub);font-style:italic;
}
.article-body a{color:var(--gold);border-bottom:1px solid rgba(197,166,89,0.3);transition:all .24s var(--ease)}
.article-body a:hover{border-bottom-color:var(--gold);color:var(--gold-light)}
.article-body code{
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.1);
  border-radius:5px;padding:2px 8px;font-size:14px;color:var(--gold-light);
  font-family:var(--font-en);
}
.article-body pre{
  background:rgba(11,27,58,0.8);border:1px solid var(--glass-border);border-radius:var(--radius-md);
  padding:24px;overflow-x:auto;margin:32px 0;
}
.article-body pre code{background:transparent;border:none;color:#C6CDDB}
/* 文章无内容 */
.article-not-found{text-align:center;padding:50px 20px}
.article-not-found i{font-size:48px;color:var(--gold);margin-bottom:20px;opacity:0.8}
.article-not-found h2{font-size:26px;font-weight:700;color:var(--text-main);margin-bottom:12px;padding:0}
.article-not-found h2::before{display:none}
.article-not-found p{color:var(--text-sub);font-size:15px;margin-bottom:28px;max-width:320px;margin-left:auto;margin-right:auto}

/* 相关推荐 */
.related-section{padding:80px 0 30px;position:relative}
.section-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:40px;flex-wrap:wrap;gap:16px;
}
.section-head h2{
  font-size:28px;font-weight:700;color:var(--text-main);letter-spacing:-0.3px;
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;background:var(--gold-grad);border-radius:3px;
}
.link-more{
  display:inline-flex;align-items:center;gap:8px;color:var(--text-sub);
  font-size:14px;font-weight:500;transition:all .24s var(--ease);
}
.link-more:hover{color:var(--gold);gap:12px}
.related-card{
  position:relative;display:block;background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);border-radius:var(--radius-md);
  overflow:hidden;margin-bottom:28px;transition:all .3s var(--ease);
}
.related-card:hover{
  transform:translateY(-4px);border-color:var(--gold-border);
  box-shadow:var(--shadow-glass);
}
.related-num{
  position:absolute;top:12px;right:16px;z-index:2;
  font-family:var(--font-en);font-weight:800;font-size:28px;
  color:rgba(197,166,89,0.35);letter-spacing:1px;
}
.related-thumb{overflow:hidden}
.related-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-content{padding:22px 24px 26px}
.related-tag{
  display:inline-block;font-size:12px;font-weight:500;color:var(--gold);
  background:rgba(197,166,89,0.1);border:1px solid rgba(197,166,89,0.2);
  padding:4px 12px;border-radius:20px;margin-bottom:12px;letter-spacing:0.3px;
}
.related-content h3{
  font-size:18px;font-weight:600;color:var(--text-main);line-height:1.5;
  margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.related-content p{
  font-size:14px;color:var(--text-sub);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:14px;
}
.related-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--gold);
  font-weight:500;transition:gap .24s var(--ease);
}
.related-card:hover .related-link{gap:10px}
.related-link i{font-size:12px}

/* CTA 区 */
.cta-section{
  position:relative;padding:90px 0;margin-top:50px;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-deep),#0A1D3F 50%,#132D5E);
}
.cta-section::before{
  content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:600px;height:600px;background:radial-gradient(circle,rgba(197,166,89,0.12),transparent 70%);
  filter:blur(100px);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{
  font-size:34px;font-weight:800;color:var(--text-main);letter-spacing:-0.5px;
  margin-bottom:16px;line-height:1.3;
}
.cta-inner p{font-size:16px;color:var(--text-sub);margin-bottom:36px;line-height:1.8}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.cta-note{
  margin-top:22px;font-size:14px;color:var(--gold);display:flex;
  align-items:center;justify-content:center;gap:8px;
}
.cta-note i{font-size:13px}

/* 页脚 */
.site-footer{
  background:var(--bg-deep);border-top:1px solid rgba(255,255,255,0.06);
  padding-top:70px;position:relative;
}
.site-footer::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:80%;height:1px;background:linear-gradient(90deg,transparent,rgba(197,166,89,0.4),transparent);
}
.footer-col{margin-bottom:40px}
.footer-desc{font-size:14px;color:var(--text-sub);line-height:1.75;margin:18px 0 22px;max-width:280px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);
  border-radius:10px;color:var(--text-sub);font-size:15px;transition:all .24s var(--ease);
}
.footer-social a:hover{
  background:rgba(197,166,89,0.15);border-color:var(--gold);color:var(--gold);
  transform:translateY(-3px);
}
.site-footer h4{
  font-size:16px;font-weight:600;color:var(--text-main);margin-bottom:20px;
  position:relative;padding-bottom:10px;
}
.site-footer h4::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--gold-grad);border-radius:2px;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-sub);transition:color .24s var(--ease),padding-left .24s var(--ease)}
.footer-links a:hover{color:var(--gold);padding-left:4px}
.footer-links a i{color:var(--gold);font-size:12px;margin-right:8px;width:14px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);padding:22px 0;margin-top:10px;
}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:13px;color:var(--text-weak)}
.footer-bottom-links{display:flex;gap:22px}
.footer-bottom-links a{font-size:13px;color:var(--text-weak);transition:color .24s var(--ease)}
.footer-bottom-links a:hover{color:var(--gold)}

/* 响应式 */
@media screen and (max-width:1024px){
  .nav-center{position:static;transform:none;margin:0 auto}
  .nav-container{flex-wrap:nowrap}
  .nav-search{width:140px}
  .nav-search:focus-within{width:180px}
  .article-hero{padding:120px 0 60px}
  .article-hero h1{font-size:34px}
}
@media screen and (max-width:768px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-login{display:none}
  .nav-center{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:center;justify-content:flex-start;
    background:rgba(6,13,31,0.96);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    padding:48px 24px;gap:12px;transform:translateY(-120%);transition:transform .4s var(--ease);
    z-index:-1;
  }
  .site-nav.nav-open .nav-center{transform:translateY(0)}
  .nav-link{font-size:20px;padding:14px 24px;width:100%;text-align:center}
  .nav-link.active::after{display:none}
  .nav-toggle{display:inline-flex}
  .article-hero{padding:110px 0 50px}
  .article-hero h1{font-size:28px}
  .article-summary{font-size:15px}
  .article-body{padding:32px 24px}
  .article-body h2{font-size:22px}
  .section-head h2{font-size:24px}
  .cta-inner h2{font-size:28px}
}
@media screen and (max-width:640px){
  .container{padding:0 16px}
  .row{max-width:100%}
  .article-hero h1{font-size:26px}
  .article-badges{flex-direction:column;align-items:center}
  .article-body{padding:24px 18px;border-radius:12px}
  .article-body p{font-size:15px;line-height:1.8}
  .cta-inner h2{font-size:24px}
  .cta-buttons{flex-direction:column;align-items:stretch}
  .cta-buttons .btn{width:100%}
  .footer-bottom .container{flex-direction:column;text-align:center}
}