/* roulang page: index */
:root {
  --color-primary: #221A30;
  --color-primary-light: #3C2A56;
  --color-accent: #C9A962;
  --color-accent-light: #E3C98F;
  --color-bg-base: #14101C;
  --color-bg-section: #1B1426;
  --color-bg-card: #261C35;
  --color-bg-deep: #1F182B;
  --color-bg-darkest: #0E0A14;
  --color-bg-input: #2A1F38;
  --color-text-primary: #F0EAE0;
  --color-text-secondary: #B9AFBF;
  --color-text-muted: #8A7E97;
  --color-border-gold: rgba(201, 169, 98, 0.25);
  --color-border-line: rgba(255, 255, 255, 0.08);
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.25);
  --shadow-hover: 0 14px 40px rgba(0,0,0,0.35);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-accent-light); }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; font-size: 15px; }

.container-x { max-width: 1200px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.section-pad { padding: 88px 0; }
@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }
}

/* ===== Section titles ===== */
.section-title-wrap { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 44px; }
.section-title-bar { width: 4px; height: 34px; background: var(--color-accent); border-radius: 2px; flex-shrink: 0; margin-top: 6px; }
.section-title { font-size: 30px; font-weight: 700; color: var(--color-text-primary); line-height: 1.35; letter-spacing: -0.01em; }
.section-desc { margin-top: 8px; font-size: 15px; color: var(--color-text-secondary); max-width: 640px; line-height: 1.8; }
@media (max-width: 768px) {
  .section-title { font-size: 24px; }
  .section-title-wrap { margin-bottom: 32px; }
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 13px 30px;
  background: var(--color-accent); color: #1B1426;
  font-weight: 700; font-size: 15px; line-height: 1;
  border-radius: var(--radius-btn);
  transition: all .2s ease;
  box-shadow: 0 4px 20px rgba(201,169,98,0.25);
  border: 1px solid transparent;
}
.btn-primary:hover { background: var(--color-accent-light); transform: translateY(-2px); color: #1B1426; box-shadow: 0 6px 26px rgba(201,169,98,0.35); }
.btn-primary:active { transform: translateY(0); filter: brightness(.94); }
.btn-primary:focus-visible { outline: 2px solid var(--color-accent-light); outline-offset: 3px; }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 46px; padding: 13px 28px;
  background: transparent; color: var(--color-text-primary);
  font-weight: 700; font-size: 15px; line-height: 1;
  border-radius: var(--radius-btn);
  border: 1px solid var(--color-accent);
  transition: all .2s ease;
}
.btn-outline:hover { background: rgba(201,169,98,0.12); color: var(--color-accent-light); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-outline:focus-visible { outline: 2px solid var(--color-accent-light); outline-offset: 3px; }
.btn-block { width: 100%; }

/* ===== Badges ===== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 13px; border-radius: 999px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.02em;
  background: rgba(201,169,98,0.1);
  border: 1px solid rgba(201,169,98,0.3);
  color: var(--color-accent-light);
  white-space: nowrap;
}
.badge-dark {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.65);
}

/* ===== Card hover ===== */
.card-hover { transition: all .25s ease; }
.card-hover:hover { transform: translateY(-4px); border-color: rgba(201,169,98,0.5) !important; box-shadow: var(--shadow-hover); }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20, 16, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1B1426; font-weight: 800; font-size: 17px;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(201,169,98,0.25);
}
.logo-text { font-size: 17px; font-weight: 700; color: var(--color-text-primary); letter-spacing: 0.01em; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: var(--color-text-secondary); font-size: 14px; font-weight: 500;
  position: relative; padding: 8px 0; white-space: nowrap;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--color-accent);
  transition: width .2s ease; border-radius: 2px;
}
.nav-link:hover { color: var(--color-accent-light); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--color-accent); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.btn-nav { min-height: 42px; padding: 10px 22px; font-size: 14px; }

.hamburger { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.04); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--color-text-primary); border-radius: 2px; transition: all .25s ease; }

.mobile-menu { display: none; position: fixed; inset: 0; z-index: 49; background: rgba(14, 10, 20, 0.98); padding: 100px 24px 40px; flex-direction: column; }
.mobile-menu.active { display: flex; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu nav a {
  color: var(--color-text-primary); font-size: 20px; font-weight: 600;
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mobile-menu nav a:hover { color: var(--color-accent-light); }
.mobile-menu-contact { margin-top: 28px; display: flex; flex-direction: column; gap: 8px; }
.mobile-menu-contact p { color: var(--color-text-muted); font-size: 14px; }
.mobile-menu .btn-primary { margin-top: 24px; width: 100%; }

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-right .btn-nav { display: none; }
  .hamburger { display: flex; }
}

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  padding: 80px 0 96px;
  min-height: 85vh; display: flex; align-items: center;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(201,169,98,0.14) 0%, transparent 45%),
    radial-gradient(ellipse at 90% 85%, rgba(60,42,86,0.5) 0%, transparent 50%),
    linear-gradient(180deg, #14101C 0%, #1B1426 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(115deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 18px);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.hero-content { max-width: 600px; }
.hero-badge { margin-bottom: 22px; }
.hero-title {
  font-size: 44px; font-weight: 800; line-height: 1.3;
  color: var(--color-text-primary); letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.hero-title-highlight { color: var(--color-accent); }
.hero-subtitle {
  font-size: 16px; line-height: 1.9; color: var(--color-text-secondary);
  margin-bottom: 32px; max-width: 540px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 32px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; }

.hero-visual { position: relative; }
.hero-image {
  position: relative; border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(201,169,98,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  background: linear-gradient(145deg, #261C35, #1B1426);
  aspect-ratio: 4/3;
}
.hero-img { width: 100%; height: 100%; object-fit: cover; opacity: 0.92; }
.hero-image-caption {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(201,169,98,0.92), rgba(227,201,143,0.88));
  color: #1B1426; font-weight: 700; font-size: 14px;
  backdrop-filter: blur(4px);
}
.hero-image-caption .arrow { font-size: 18px; }

@media (max-width: 1024px) {
  .hero { padding: 64px 0 72px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 34px; }
  .hero-visual { max-width: 560px; }
}
@media (max-width: 640px) {
  .hero { padding: 48px 0 56px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
}

/* ===== Services ===== */
.services-section { background: var(--color-bg-base); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: var(--radius-card); padding: 32px 28px 28px;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.5;
}
.service-num {
  position: absolute; top: 22px; right: 24px;
  font-size: 13px; font-weight: 700; color: rgba(255,255,255,0.16);
  letter-spacing: 0.08em;
}
.service-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(201,169,98,0.1); border: 1px solid rgba(201,169,98,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 18px;
  color: var(--color-accent);
}
.service-name { font-size: 19px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 10px; }
.service-desc { font-size: 14px; line-height: 1.75; color: var(--color-text-secondary); margin-bottom: 20px; }
.service-link { font-size: 13px; font-weight: 600; color: var(--color-accent); display: inline-flex; align-items: center; gap: 4px; }
.service-link:hover { color: var(--color-accent-light); }
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ===== Stats ===== */
.stats-section { position: relative; overflow: hidden; background: var(--color-bg-darkest); }
.stats-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.stats-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(20,16,28,0.95) 20%, rgba(20,16,28,0.82) 60%, rgba(20,16,28,0.92) 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(20,16,28,0.6) 100%);
}
.stats-inner {
  position: relative; padding: 72px 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center;
}
.stat-item { padding: 12px; }
.stat-num {
  display: block; font-size: 52px; font-weight: 800; color: var(--color-accent);
  line-height: 1.1; letter-spacing: -0.01em;
  text-shadow: 0 0 30px rgba(201,169,98,0.2);
}
.stat-label {
  display: block; margin-top: 8px; font-size: 14px; color: var(--color-text-secondary);
  font-weight: 500;
}
@media (max-width: 768px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 52px 0; }
  .stat-num { font-size: 38px; }
}
@media (max-width: 480px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-num { font-size: 32px; }
  .stat-label { font-size: 12px; }
}

/* ===== Cases ===== */
.cases-section { background: var(--color-bg-section); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: var(--radius-card); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .25s ease;
}
.case-card:hover { transform: translateY(-4px); border-color: rgba(201,169,98,0.5); box-shadow: var(--shadow-hover); }
.case-image { position: relative; aspect-ratio: 16/10; background: #1F182B; overflow: hidden; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.case-card:hover .case-image img { transform: scale(1.03); }
.case-badge { position: absolute; top: 14px; left: 14px; z-index: 2; }
.case-body { padding: 22px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 18px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.75; flex: 1; }
.case-stats {
  display: flex; gap: 20px; margin-top: 18px;
  padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.07);
}
.case-stats span { font-size: 13px; color: var(--color-text-muted); }
.case-stats strong { color: var(--color-accent); font-size: 17px; margin-right: 3px; }
@media (max-width: 1024px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cases-grid { grid-template-columns: 1fr; }
}

/* ===== News / CMS ===== */
.news-section { background: var(--color-bg-base); }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-line);
  border-radius: 14px; padding: 20px 24px;
  transition: all .22s ease;
  min-height: 44px;
}
.news-row:hover {
  background: var(--color-night4); border-color: rgba(201,169,98,0.4);
  transform: translateX(4px);
}
.news-cat {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: rgba(201,169,98,0.1); border: 1px solid rgba(201,169,98,0.3);
  color: var(--color-accent-light); white-space: nowrap;
}
.news-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.news-title { font-size: 15px; font-weight: 600; color: var(--color-text-primary); line-height: 1.5; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.news-summary { font-size: 13px; color: var(--color-text-muted); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.news-side { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.news-time { font-size: 13px; color: var(--color-text-muted); white-space: nowrap; }
.news-arrow {
  width: 32px; height: 32px; border-radius: 10px;
  background: rgba(201,169,98,0.1); border: 1px solid rgba(201,169,98,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: var(--color-accent);
  transition: all .2s ease;
}
.news-row:hover .news-arrow { background: var(--color-accent); color: #1B1426; }
.news-empty {
  border: 2px dashed rgba(255,255,255,0.1); border-radius: 14px;
  padding: 56px 24px; text-align: center; color: var(--color-text-muted);
  font-size: 15px;
}
.news-empty-icon { font-size: 36px; display: block; margin-bottom: 12px; }
.news-footer { margin-top: 28px; text-align: center; }
@media (max-width: 768px) {
  .news-row { grid-template-columns: 1fr; gap: 10px; padding: 16px 18px; }
  .news-side { justify-content: space-between; }
  .news-cat { align-self: flex-start; }
}

/* ===== Plans ===== */
.plans-section { background: var(--color-bg-section); position: relative; overflow: hidden; }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: 18px; padding: 36px 30px 30px; position: relative;
  display: flex; flex-direction: column;
  transition: all .25s ease;
}
.plan-card:hover { transform: translateY(-4px); border-color: rgba(201,169,98,0.5); box-shadow: var(--shadow-hover); }
.plan-highlight {
  border-color: var(--color-border-gold);
  background: linear-gradient(180deg, #2A1F38 0%, #261C35 100%);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  z-index: 2;
}
.plan-highlight::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; border-radius: 18px 18px 0 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}
.plan-recommend {
  position: absolute; top: 18px; right: 18px;
  display: inline-flex;
  background: var(--color-accent); color: #1B1426;
  font-size: 12px; font-weight: 800;
  padding: 5px 14px; border-radius: 999px;
  letter-spacing: 0.03em;
}
.plan-top { margin-bottom: 22px; }
.plan-top h3 { font-size: 21px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 6px; }
.plan-top p { font-size: 14px; color: var(--color-text-muted); line-height: 1.65; }
.plan-features { list-style: none; margin-bottom: 28px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.plan-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--color-text-secondary); line-height: 1.55;
}
.plan-features li::before {
  content: "✓"; display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 6px; flex-shrink: 0;
  background: rgba(201,169,98,0.12); border: 1px solid rgba(201,169,98,0.25);
  color: var(--color-accent); font-size: 11px; font-weight: 700; margin-top: 2px;
}
.plan-price {
  border-top: 1px solid rgba(255,255,255,0.07); padding-top: 16px; margin-bottom: 22px;
  display: flex; flex-direction: column; gap: 2px;
}
.plan-price .price-label { font-size: 12px; color: var(--color-text-muted); font-weight: 500; }
.plan-price .price-note { font-size: 16px; color: var(--color-text-primary); font-weight: 700; }
.plan-highlight .plan-price .price-note { color: var(--color-accent); }
@media (max-width: 1024px) {
  .plans-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .plan-highlight { order: -1; }
}
@media (max-width: 640px) {
  .plans-grid { max-width: 100%; }
}

/* ===== FAQ ===== */
.faq-section { background: var(--color-bg-base); }
.faq-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.faq-left .section-title-wrap { margin-bottom: 16px; }
.faq-left-tip {
  font-size: 14px; color: var(--color-text-muted); line-height: 1.8;
  margin-bottom: 20px; max-width: 320px;
}
.faq-left .btn-outline { margin-top: 8px; }
.faq-right { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: 14px; overflow: hidden;
  transition: border-color .2s ease;
}
.faq-item:hover { border-color: rgba(201,169,98,0.35); }
.faq-item.open { border-color: rgba(201,169,98,0.45); }
.faq-question {
  width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 18px 20px; text-align: left;
  font-size: 15px; font-weight: 600; color: var(--color-text-primary);
  line-height: 1.5; min-height: 56px;
}
.faq-q-mark {
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(201,169,98,0.12); border: 1px solid rgba(201,169,98,0.3);
  color: var(--color-accent); font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.faq-icon {
  margin-left: auto; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid rgba(201,169,98,0.3); color: var(--color-accent);
  font-size: 15px; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  transition: all .25s ease; flex-shrink: 0;
}
.faq-item.open .faq-icon { background: var(--color-accent); color: #1B1426; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p {
  padding: 0 20px 20px 58px;
  font-size: 14px; line-height: 1.85; color: var(--color-text-secondary);
}
@media (max-width: 1024px) {
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
}

/* ===== Contact ===== */
.contact-section { background: var(--color-bg-section); }
.contact-banner {
  position: relative; overflow: hidden; border-radius: 20px;
  padding: 64px 40px; text-align: center;
  margin-bottom: 56px;
  background: var(--color-bg-deep) center/cover no-repeat;
}
.contact-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(20,16,28,0.92) 0%, rgba(34,26,48,0.82) 60%, rgba(20,16,28,0.9) 100%);
}
.contact-banner-content { position: relative; max-width: 700px; margin: 0 auto; }
.contact-banner-content h2 { font-size: 30px; font-weight: 800; color: var(--color-text-primary); margin-bottom: 12px; letter-spacing: -0.01em; }
.contact-banner-content p { font-size: 15px; color: var(--color-text-secondary); margin-bottom: 28px; line-height: 1.8; }
.contact-banner-content .btn-group { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
@media (max-width: 768px) {
  .contact-banner { padding: 44px 24px; }
  .contact-banner-content h2 { font-size: 24px; }
}

.contact-panel { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: 18px; padding: 36px 32px;
}
.contact-info-card h3 { font-size: 20px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-info-icon {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  background: rgba(201,169,98,0.1); border: 1px solid rgba(201,169,98,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.contact-info-item h4 { font-size: 14px; font-weight: 600; color: var(--color-text-primary); margin-bottom: 2px; }
.contact-info-item p { font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }

.contact-form-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border-line);
  border-radius: 18px; padding: 36px 32px;
}
.contact-form-card h3 { font-size: 20px; font-weight: 700; color: var(--color-text-primary); margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-label { font-size: 13px; color: var(--color-text-muted); font-weight: 500; }
.form-input {
  width: 100%; padding: 13px 16px;
  background: var(--color-bg-input); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px; color: var(--color-text-primary);
  transition: all .2s ease; line-height: 1.5;
}
.form-input::placeholder { color: #6E6378; }
.form-input:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201,169,98,0.18);
  background: #302640;
}
select.form-input {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A962' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  padding-right: 42px;
}
textarea.form-input { resize: vertical; min-height: 90px; }
.form-message {
  display: none; padding: 12px 16px; border-radius: 10px;
  font-size: 14px; line-height: 1.6;
}
.form-message.show { display: block; }
.form-message.success { background: rgba(111,207,151,0.1); border: 1px solid rgba(111,207,151,0.3); color: #6FCF97; }
.form-message.error { background: rgba(217,96,93,0.1); border: 1px solid rgba(217,96,93,0.3); color: #D9605D; }
@media (max-width: 1024px) {
  .contact-panel { grid-template-columns: 1fr; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-darkest);
  border-top: 1px solid rgba(201,169,98,0.2);
}
.footer-top {
  display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1.1fr; gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; max-width: 320px; }
.footer-col h4 {
  font-size: 15px; font-weight: 700; color: var(--color-text-primary);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block; font-size: 14px; color: var(--color-text-muted);
  margin-bottom: 10px; line-height: 1.6;
}
.footer-col a:hover { color: var(--color-accent-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); }
.footer-bottom-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 10px; padding: 22px 1.25rem;
  font-size: 13px; color: var(--color-text-muted);
}
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; padding: 48px 0 36px; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; justify-content: center; }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #14101C; }
::-webkit-scrollbar-thumb { background: #3C2A56; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #C9A962; }

/* roulang page: article */
:root {
  --bg-deepest: #0E0A14;
  --bg-base: #14101C;
  --bg-section: #1B1426;
  --bg-card: #261C35;
  --bg-card-deep: #1F182B;
  --primary: #221A30;
  --primary-light: #3C2A56;
  --accent: #C9A962;
  --accent-light: #E3C98F;
  --text-main: #F0EAE0;
  --text-sub: #B9AFBF;
  --text-weak: #8A7E97;
  --border-white: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(201, 169, 98, 0.25);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 16px 50px rgba(0, 0, 0, 0.3);
  --font-base: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

@media (max-width: 640px) {
  .container-x {
    padding: 0 16px;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 16, 28, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo:hover {
  color: var(--accent-light);
}

.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #1B1426;
  border-radius: 10px;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 4px 18px rgba(201, 169, 98, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 10px 18px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--accent-light);
  background: rgba(201, 169, 98, 0.08);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #1B1426 !important;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(201, 169, 98, 0.25);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-gold:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201, 169, 98, 0.35);
}

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

.btn-gold:focus-visible {
  outline: 3px solid rgba(201, 169, 98, 0.4);
  outline-offset: 2px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 10px;
  border: 1px solid rgba(201, 169, 98, 0.5);
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-outline:hover {
  background: rgba(201, 169, 98, 0.12);
  color: var(--accent-light);
  transform: translateY(-2px);
}

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

.btn-outline:focus-visible {
  outline: 3px solid rgba(201, 169, 98, 0.3);
}

.btn-block {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.menu-toggle:hover {
  border-color: var(--border-gold);
  background: var(--primary-light);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-white);
  padding: 24px;
  z-index: 99;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 20px;
}

.mobile-link {
  padding: 13px 14px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-link:hover {
  background: rgba(201, 169, 98, 0.08);
  color: var(--accent-light);
}

.mobile-info {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-white);
  font-size: 14px;
  color: var(--text-sub);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.breadcrumb-wrap {
  padding-top: 36px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
}

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

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.2);
}

.breadcrumb .current {
  color: var(--text-weak);
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  padding: 36px 0 80px;
  align-items: start;
}

.post-card {
  background: var(--bg-section);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}

.post-head {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-white);
}

.post-head .badge {
  margin-bottom: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201, 169, 98, 0.1);
  border: 1px solid rgba(201, 169, 98, 0.3);
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  letter-spacing: 0.02em;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.badge:hover {
  background: rgba(201, 169, 98, 0.16);
  border-color: rgba(201, 169, 98, 0.5);
}

.post-head h1 {
  font-size: 38px;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin-bottom: 18px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--text-weak);
}

.post-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-sub);
  max-width: 720px;
}

.post-content > * + * {
  margin-top: 1.4em;
}

.post-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 2em;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.post-content h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 1.8em;
}

.post-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 1.5em;
}

.post-content p {
  color: var(--text-sub);
}

.post-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(201, 169, 98, 0.3);
}

.post-content a:hover {
  color: var(--accent-light);
  border-bottom-color: var(--accent-light);
}

.post-content ul,
.post-content ol {
  padding-left: 1.5em;
}

.post-content ul li {
  list-style: disc;
  margin: 0.5em 0;
}

.post-content ol li {
  list-style: decimal;
  margin: 0.5em 0;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  background: rgba(201, 169, 98, 0.06);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  color: var(--text-main);
}

.post-content blockquote p {
  color: var(--text-main);
}

.post-content img {
  border-radius: 14px;
  border: 1px solid var(--border-white);
  margin: 1.5em 0;
  width: auto;
  max-width: 100%;
  height: auto;
}

.post-content figure {
  margin: 1.5em 0;
}

.post-content figcaption {
  font-size: 13px;
  color: var(--text-weak);
  text-align: center;
  margin-top: 8px;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border-white);
  margin: 2em 0;
}

.post-content code {
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--accent-light);
}

.post-content pre {
  background: var(--bg-card-deep);
  border: 1px solid var(--border-white);
  border-radius: 14px;
  padding: 20px;
  overflow-x: auto;
  line-height: 1.6;
}

.post-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-main);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-white);
  border-radius: 10px;
  overflow: hidden;
}

.post-content th,
.post-content td {
  border: 1px solid var(--border-white);
  padding: 10px 14px;
  font-size: 14px;
  text-align: left;
}

.post-content th {
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
}

.post-nav {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border-white);
}

.post-footer-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.post-prev,
.post-next {
  font-size: 14px;
  color: var(--text-weak);
}

.post-prev:hover,
.post-next:hover {
  color: var(--accent);
}

.post-prev {
  text-align: left;
}

.post-next {
  text-align: right;
}

.post-back {
  justify-self: center;
}

.post-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  background: linear-gradient(135deg, rgba(201, 169, 98, 0.12), rgba(60, 42, 86, 0.2));
  border: 1px solid var(--border-gold);
  border-radius: 14px;
  padding: 28px 32px;
}

.post-cta strong {
  font-size: 18px;
  color: var(--text-main);
}

.post-cta p {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 6px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}

.side-card {
  background: var(--bg-section);
  border: 1px solid var(--border-white);
  border-radius: var(--radius-md);
  padding: 24px;
}

.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}

.rel-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-white);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.rel-item:hover {
  transform: translateY(-2px);
}

.rel-thumb {
  width: 92px;
  height: 66px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  flex-shrink: 0;
}

.rel-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rel-info h4 {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-main);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rel-info span {
  font-size: 12px;
  color: var(--text-weak);
  margin-top: 6px;
  display: block;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-white);
  color: var(--text-sub);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.tag:hover {
  border-color: var(--border-gold);
  color: var(--accent-light);
  background: rgba(201, 169, 98, 0.08);
  transform: translateY(-1px);
}

.post-empty {
  text-align: center;
  padding: 80px 24px;
}

.post-empty .empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 98, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--accent);
  font-size: 32px;
  font-weight: 800;
  border-radius: 50%;
}

.post-empty h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.post-empty p {
  color: var(--text-weak);
  margin-bottom: 24px;
}

.site-footer {
  background: var(--bg-deepest);
  border-top: 1px solid rgba(201, 169, 98, 0.2);
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding: 56px 24px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-weak);
  max-width: 320px;
}

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

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

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

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

.footer-col p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
}

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

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-weak);
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .post-card {
    padding: 32px 20px;
  }

  .post-head h1 {
    font-size: 28px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    padding: 40px 16px;
  }
}

@media (max-width: 640px) {
  .post-cta {
    flex-direction: column;
    text-align: center;
  }

  .post-cta .btn-gold {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .breadcrumb .current {
    max-width: 200px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

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

  .post-footer-nav {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .post-back {
    justify-self: stretch;
  }
}

/* roulang page: category1 */
:root{
  --primary:#221A30;
  --primary-light:#3C2A56;
  --accent:#C9A962;
  --accent-light:#E3C98F;
  --bg-base:#14101C;
  --bg-section:#1B1426;
  --bg-card:#261C35;
  --bg-deep:#1F182B;
  --ink-primary:#F0EAE0;
  --ink-secondary:#B9AFBF;
  --ink-muted:#8A7E97;
  --line-gold:rgba(201,169,98,.25);
  --line-white:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.25);
  --shadow-gold:0 4px 20px rgba(201,169,98,.25);
  --font-cn:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg-base);
  color:var(--ink-primary);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-light)}
button{font-family:inherit;cursor:pointer}
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:1.25rem;
  padding-right:1.25rem;
}
.section{padding-top:5rem;padding-bottom:5rem}
.section-alt{background:var(--bg-section)}
.section-deep{background:var(--bg-deep)}
.section-head{
  display:flex;
  align-items:center;
  gap:.75rem;
  margin-bottom:1rem;
}
.section-head .bar{
  width:4px;height:28px;
  background:var(--accent);
  border-radius:4px;
  flex-shrink:0;
}
.section-head h2{
  font-size:1.9rem;
  font-weight:800;
  color:var(--ink-primary);
  letter-spacing:-.01em;
}
.section-sub{
  color:var(--ink-muted);
  font-size:.95rem;
  margin-bottom:2.5rem;
  max-width:760px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.25rem;
  padding:.3rem .8rem;
  border-radius:999px;
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.02em;
  background:rgba(201,169,98,.1);
  border:1px solid rgba(201,169,98,.3);
  color:var(--accent-light);
  white-space:nowrap;
}
.tag-dark{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  color:var(--ink-secondary);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  padding:.72rem 1.5rem;
  border-radius:var(--radius-btn);
  font-size:.95rem;
  font-weight:700;
  line-height:1.4;
  transition:all .2s ease;
  border:1px solid transparent;
  min-height:44px;
}
.btn-gold{
  background:var(--accent);
  color:var(--bg-deep);
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{
  background:var(--accent-light);
  color:var(--bg-deep);
  transform:translateY(-2px);
  box-shadow:0 8px 26px rgba(201,169,98,.35);
}
.btn-gold:active{
  transform:translateY(0);
  filter:brightness(.95);
}
.btn-gold:focus-visible{
  outline:3px solid rgba(201,169,98,.45);
  outline-offset:2px;
}
.btn-outline{
  background:transparent;
  border-color:var(--accent);
  color:var(--ink-primary);
}
.btn-outline:hover{
  background:rgba(201,169,98,.12);
  color:var(--accent-light);
  transform:translateY(-2px);
}
.btn-outline:active{
  transform:translateY(0);
}
.btn-outline:focus-visible{
  outline:3px solid rgba(201,169,98,.35);
  outline-offset:2px;
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(20,16,28,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  flex-shrink:0;
}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--accent);
  color:var(--bg-deep);
  font-weight:900;
  font-size:1.15rem;
  border-radius:10px;
  box-shadow:var(--shadow-gold);
}
.logo-text{
  font-size:1.18rem;
  font-weight:800;
  color:var(--ink-primary);
  letter-spacing:.01em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:.2rem;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.4rem .95rem;
  font-size:.93rem;
  font-weight:600;
  color:var(--ink-secondary);
  border-radius:8px;
  transition:all .2s ease;
  position:relative;
}
.nav-link:hover{
  color:var(--accent-light);
  background:rgba(201,169,98,.06);
}
.nav-link.active{
  color:var(--accent-light);
}
.nav-link.active::after{
  content:'';
  position:absolute;
  left:.95rem;
  right:.95rem;
  bottom:4px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  margin-left:.4rem;
}
.header-cta .divider{
  width:1px;height:24px;
  background:rgba(255,255,255,.1);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  background:rgba(255,255,255,.04);
  color:var(--ink-primary);
  font-size:1.2rem;
  line-height:1;
}
.mobile-drawer{
  display:none;
}
/* Page Hero */
.page-hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(20,16,28,.88),rgba(27,20,38,.92)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat,
    var(--bg-base);
  padding:5rem 0 5.5rem;
  overflow:hidden;
}
.page-hero::before{
  content:'';
  position:absolute;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,169,98,.16),transparent 65%);
  top:-180px;left:-120px;
  pointer-events:none;
}
.page-hero::after{
  content:'';
  position:absolute;
  width:600px;height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(60,42,86,.35),transparent 68%);
  right:-220px;bottom:-260px;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.35rem;
  font-size:.85rem;
  color:var(--ink-muted);
  margin-bottom:1.6rem;
  position:relative;
  z-index:1;
}
.breadcrumb a{color:var(--ink-secondary)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb .sep{color:var(--ink-muted);opacity:.6}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:4rem;
  align-items:center;
}
.hero-tag{
  display:inline-block;
  padding:.4rem 1rem;
  border-radius:999px;
  font-size:.8rem;
  font-weight:600;
  color:var(--accent-light);
  background:rgba(201,169,98,.1);
  border:1px solid rgba(201,169,98,.3);
  margin-bottom:1.2rem;
}
.page-hero h1{
  font-size:2.7rem;
  font-weight:900;
  line-height:1.22;
  color:var(--ink-primary);
  letter-spacing:-.01em;
  margin-bottom:1.1rem;
}
.page-hero .hero-desc{
  color:var(--ink-secondary);
  font-size:1.03rem;
  max-width:620px;
  margin-bottom:2rem;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  margin-bottom:2rem;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
}
.hero-panel{
  border:1px solid var(--line-gold);
  border-radius:20px;
  background:linear-gradient(145deg,rgba(38,28,53,.95),rgba(31,24,43,.95));
  padding:2rem 1.8rem;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.hero-panel::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.panel-label{
  font-size:.85rem;
  color:var(--ink-muted);
  letter-spacing:.04em;
  margin-bottom:1.4rem;
}
.panel-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
}
.panel-item{
  border:1px solid rgba(255,255,255,.07);
  border-radius:12px;
  background:rgba(255,255,255,.03);
  padding:1rem;
  transition:border-color .2s ease,background .2s ease;
}
.panel-item:hover{
  border-color:var(--line-gold);
  background:rgba(201,169,98,.05);
}
.panel-num{
  font-size:1.7rem;
  font-weight:900;
  color:var(--accent);
  line-height:1.1;
}
.panel-label-sm{
  font-size:.78rem;
  color:var(--ink-secondary);
  margin-top:.2rem;
}
/* Info Cards */
.grid-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.4rem;
}
.info-card{
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-card);
  background:var(--bg-card);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.info-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-gold);
  box-shadow:var(--shadow-card);
}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-deep);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.info-card:hover .card-media img{
  transform:scale(1.04);
}
.card-body{
  padding:1.4rem 1.4rem 1.5rem;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-title{
  font-size:1.1rem;
  font-weight:700;
  color:var(--ink-primary);
  margin:.6rem 0 .4rem;
}
.card-text{
  font-size:.9rem;
  color:var(--ink-secondary);
  flex:1;
}
.card-link{
  margin-top:1rem;
  font-size:.88rem;
  font-weight:700;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:.3rem;
}
.card-link:hover{color:var(--accent-light)}
/* Steps */
.steps-list{
  display:grid;
  gap:.8rem;
}
.step-item{
  display:flex;
  align-items:center;
  gap:1.2rem;
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  background:var(--bg-card);
  padding:1.1rem 1.4rem;
  transition:all .2s ease;
}
.step-item:hover{
  border-color:var(--line-gold);
  background:rgba(60,42,86,.25);
  transform:translateX(4px);
}
.step-num{
  width:42px;height:42px;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(201,169,98,.12);
  border:1px solid rgba(201,169,98,.3);
  color:var(--accent-light);
  font-weight:900;
  font-size:.95rem;
}
.step-name{
  font-size:1.02rem;
  font-weight:700;
  color:var(--ink-primary);
}
.step-desc{
  font-size:.88rem;
  color:var(--ink-muted);
  margin-top:2px;
}
.step-arrow{
  margin-left:auto;
  color:var(--ink-muted);
  font-size:1.1rem;
  transition:color .2s ease,transform .2s ease;
}
.step-item:hover .step-arrow{
  color:var(--accent);
  transform:translateX(4px);
}
/* Alt blocks */
.alt-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  align-items:center;
  padding:2.5rem 0;
}
.alt-block.reverse .alt-media{order:2}
.alt-block.reverse .alt-content{order:1}
.alt-media{
  aspect-ratio:4/3;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line-gold);
  box-shadow:var(--shadow-card);
}
.alt-media img{
  width:100%;height:100%;
  object-fit:cover;
}
.alt-content h3{
  font-size:1.35rem;
  font-weight:800;
  color:var(--ink-primary);
  margin-bottom:.7rem;
}
.alt-content p{
  color:var(--ink-secondary);
  margin-bottom:.8rem;
}
.alt-points{
  list-style:none;
  display:grid;
  gap:.5rem;
  margin-top:1rem;
}
.alt-points li{
  position:relative;
  padding-left:1.5rem;
  color:var(--ink-secondary);
  font-size:.92rem;
}
.alt-points li::before{
  content:'';
  position:absolute;
  left:0;top:.5rem;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  transform:rotate(45deg);
}
/* Compare table */
.compare-wrap{
  overflow-x:auto;
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  background:var(--bg-card);
}
.compare-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:.92rem;
}
.compare-table th,.compare-table td{
  padding:1rem 1.2rem;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.compare-table th{
  background:var(--bg-deep);
  color:var(--ink-primary);
  font-weight:800;
  font-size:.95rem;
}
.compare-table td{
  color:var(--ink-secondary);
  vertical-align:top;
}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .row-label{
  color:var(--ink-muted);
  font-weight:600;
  background:rgba(255,255,255,.02);
}
.compare-table .highlight-col{
  background:rgba(201,169,98,.05);
  color:var(--ink-primary);
  border-left:1px solid var(--line-gold);
  border-right:1px solid var(--line-gold);
}
.badge-hot{
  display:inline-block;
  background:var(--accent);
  color:var(--bg-deep);
  font-size:.7rem;
  font-weight:900;
  padding:.15rem .5rem;
  border-radius:999px;
  margin-left:.4rem;
  vertical-align:middle;
}
/* FAQ */
.faq-grid{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:3rem;
  align-items:start;
}
.faq-intro h2{
  font-size:1.9rem;
  font-weight:800;
  color:var(--ink-primary);
  line-height:1.3;
  margin-bottom:1rem;
}
.faq-intro p{
  color:var(--ink-muted);
  margin-bottom:1.4rem;
}
.faq-list{
  display:grid;
  gap:.8rem;
}
.faq-item{
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  background:var(--bg-card);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{
  border-color:var(--line-gold);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:.8rem;
  padding:1.05rem 1.2rem;
  background:transparent;
  border:none;
  text-align:left;
  color:var(--ink-primary);
  font-weight:700;
  font-size:.98rem;
  min-height:52px;
}
.faq-q .q-mark{
  color:var(--accent);
  font-weight:900;
  flex-shrink:0;
}
.faq-q .icon{
  margin-left:auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid rgba(201,169,98,.3);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:1rem;
  font-weight:700;
  flex-shrink:0;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-q .icon{
  transform:rotate(45deg);
  background:rgba(201,169,98,.15);
}
.faq-a{
  display:none;
  padding:0 1.2rem 1.2rem 3.2rem;
  color:var(--ink-secondary);
  font-size:.92rem;
  border-top:1px solid rgba(201,169,98,.14);
  margin:0 1.2rem 0 1.2rem;
  padding-left:1.2rem;
  padding-top:1rem;
}
.faq-item.open .faq-a{
  display:block;
}
/* CTA Banner */
.cta-banner{
  border:1px solid var(--line-gold);
  border-radius:20px;
  background:
    linear-gradient(120deg,rgba(201,169,98,.14),rgba(60,42,86,.2)),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat,
    var(--bg-deep);
  padding:3.5rem 3rem;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-banner h2{
  font-size:1.9rem;
  font-weight:900;
  color:var(--ink-primary);
  margin-bottom:.6rem;
}
.cta-banner p{
  color:var(--ink-secondary);
  max-width:640px;
  margin:0 auto 1.8rem;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  justify-content:center;
}
/* Footer */
.site-footer{
  background:#0E0A14;
  border-top:1px solid rgba(201,169,98,.2);
  margin-top:3rem;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:2.5rem;
  padding:3.5rem 1.25rem 2.5rem;
}
.footer-brand p{
  color:var(--ink-muted);
  font-size:.9rem;
  margin-top:1rem;
  max-width:320px;
}
.footer-col h4{
  color:var(--ink-primary);
  font-size:1rem;
  font-weight:700;
  margin-bottom:1rem;
}
.footer-col a{
  display:block;
  color:var(--ink-secondary);
  font-size:.9rem;
  padding:.25rem 0;
}
.footer-col a:hover{
  color:var(--accent-light);
}
.footer-col p{
  color:var(--ink-muted);
  font-size:.88rem;
  padding:.15rem 0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:1.2rem 0;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.5rem;
  font-size:.82rem;
  color:var(--ink-muted);
}
@media(max-width:1024px){
  .hero-grid{
    grid-template-columns:1fr;
    gap:2.5rem;
  }
  .grid-cards{
    grid-template-columns:repeat(2,1fr);
  }
  .alt-block{
    grid-template-columns:1fr;
    gap:1.8rem;
  }
  .alt-block.reverse .alt-media{order:0}
  .alt-block.reverse .alt-content{order:0}
  .faq-grid{
    grid-template-columns:1fr;
    gap:1.8rem;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:768px){
  .nav-links,.header-cta .btn-gold{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .mobile-drawer{
    display:block;
    position:fixed;
    top:72px;
    left:0;right:0;bottom:0;
    background:rgba(20,16,28,.98);
    backdrop-filter:blur(12px);
    padding:2rem 1.25rem;
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:99;
    overflow-y:auto;
  }
  .mobile-drawer.open{
    transform:translateX(0);
  }
  .mobile-drawer .btn-gold{
    width:100%;
    margin-top:1.5rem;
  }
  .mobile-drawer .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:.4rem;
  }
  .mobile-drawer .nav-link{
    font-size:1.05rem;
    padding:.8rem 1rem;
    border-radius:12px;
  }
  .mobile-drawer .nav-link.active::after{
    display:none;
  }
  .mobile-drawer .nav-link.active{
    background:rgba(201,169,98,.1);
  }
  .mobile-info{
    margin-top:2rem;
    padding-top:1.5rem;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .mobile-info p{
    color:var(--ink-muted);
    font-size:.88rem;
    margin-bottom:.3rem;
  }
  .page-hero{
    padding:3.5rem 0 4rem;
  }
  .page-hero h1{
    font-size:2rem;
  }
  .panel-list{
    grid-template-columns:1fr;
  }
  .grid-cards{
    grid-template-columns:1fr;
  }
  .section-head h2{
    font-size:1.5rem;
  }
  .cta-banner{
    padding:2.5rem 1.5rem;
  }
  .cta-banner h2{
    font-size:1.5rem;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:1.8rem;
    padding:2.5rem 1.25rem;
  }
  .footer-bottom-inner{
    flex-direction:column;
    text-align:center;
  }
}
@media(max-width:520px){
  .container-x{
    padding-left:1rem;
    padding-right:1rem;
  }
  .page-hero h1{
    font-size:1.7rem;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-badges{
    flex-direction:column;
    align-items:flex-start;
  }
  .step-item{
    flex-wrap:wrap;
    padding:1rem;
  }
  .step-arrow{
    display:none;
  }
  .compare-table th,.compare-table td{
    padding:.8rem;
  }
}