/* roulang page: index */
:root {
  --primary-dark: #1F2240;
  --primary-deep: #2B2D59;
  --primary-darker: #1A1C38;
  --gold: #D4A94F;
  --gold-light: #E8C874;
  --gold-gradient: linear-gradient(135deg, #D4A94F 0%, #E8C874 100%);
  --bg-light: #F6F6FA;
  --bg-white: #ffffff;
  --text-main: #1E2130;
  --text-sub: #6E7191;
  --border-color: #E8E8F0;
  --accent-purple: #6C6FA1;
  --radius-card: 22px;
  --radius-btn: 12px;
  --radius-dock: 999px;
  --shadow-default: 0 8px 24px rgba(31,34,64,.08);
  --shadow-hover: 0 16px 40px rgba(31,34,64,.14);
  --transition-base: all .3s ease;
  --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --section-space: 88px;
  --border-gold: 1px solid rgba(212,169,79,.35);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition-base); }
button { font-family: inherit; border: none; cursor: pointer; transition: var(--transition-base); }
input { font-family: inherit; }

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--section-space) 0;
}
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(212,169,79,.1);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  letter-spacing: -.5px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-sub);
  margin-top: 10px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.btn-gold {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  background: var(--gold-gradient);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 18px rgba(212,169,79,.35);
  transition: var(--transition-base);
  text-align: center;
  line-height: 1.4;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(212,169,79,.45);
  color: #fff;
}
.btn-gold:focus-visible {
  outline: 2px dashed var(--gold);
  outline-offset: 3px;
}
.btn-outline {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255,255,255,.7);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  background: transparent;
  transition: var(--transition-base);
  text-align: center;
}
.btn-outline:hover {
  background: rgba(255,255,255,.12);
  color: var(--gold-light);
  border-color: var(--gold);
}
.btn-outline:focus-visible {
  outline: 2px dashed var(--gold);
  outline-offset: 3px;
}
.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
  border-radius: 10px;
}
.btn-block {
  display: block;
  width: 100%;
}

/* ===== Dock Nav ===== */
.dock-wrapper {
  position: sticky;
  top: 16px;
  z-index: 1000;
  padding: 0 24px;
  margin-top: 16px;
}
.dock-nav {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(255,255,255,.95);
  border-radius: var(--radius-dock);
  box-shadow: 0 8px 32px rgba(31,34,64,.10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 22px 10px 24px;
  border: 1px solid rgba(255,255,255,.5);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-star {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  letter-spacing: .3px;
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  margin: 0 16px;
}
.dock-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  white-space: nowrap;
  transition: var(--transition-base);
}
.dock-link:hover {
  color: var(--gold);
  background: rgba(212,169,79,.08);
}
.dock-link.active {
  background: var(--gold-gradient);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(212,169,79,.3);
}
.dock-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: var(--transition-base);
}
.search-btn:hover {
  background: rgba(212,169,79,.12);
  color: var(--gold);
}
.hamburger {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-main);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.hamburger:hover {
  background: rgba(212,169,79,.15);
  color: var(--gold);
}
.dock-mobile-panel {
  display: none;
  max-width: 1200px;
  margin: 10px auto 0;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(31,34,64,.14);
  padding: 16px;
  transform-origin: top;
  animation: panelIn .25s ease;
}
.dock-mobile-panel.open {
  display: block;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-link {
  display: block;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-base);
}
.mobile-link:last-of-type {
  border-bottom: none;
}
.mobile-link:hover,
.mobile-link.active {
  background: rgba(212,169,79,.08);
  color: var(--gold);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #1F2240 0%, #2B2D59 60%, #24274E 100%);
  position: relative;
  overflow: hidden;
  padding: 96px 0 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1px 1px at 25% 30%, rgba(255,255,255,.5) 50%, transparent 50%),
    radial-gradient(1px 1px at 70% 65%, rgba(255,255,255,.3) 50%, transparent 50%),
    radial-gradient(2px 2px at 40% 80%, rgba(255,255,255,.18) 50%, transparent 50%),
    radial-gradient(1px 1px at 85% 25%, rgba(255,255,255,.4) 50%, transparent 50%),
    radial-gradient(2px 2px at 12% 72%, rgba(255,255,255,.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 55% 45%, rgba(255,255,255,.25) 50%, transparent 50%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, rgba(246,246,250,.06), transparent);
  pointer-events: none;
}
.hero-main {
  position: relative;
  z-index: 2;
  padding-bottom: 60px;
}
.hero-text-wrap {
  padding: 20px 0 20px 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  padding: 8px 18px;
  color: var(--gold-light);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: .5px;
}
.hero-badge i {
  font-size: 12px;
}
.hero-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  letter-spacing: -.5px;
  margin-bottom: 18px;
  max-width: 560px;
}
.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,.82);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 14px;
}
.hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  max-width: 470px;
  line-height: 1.8;
  margin-bottom: 34px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-points {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-point {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  font-weight: 500;
}
.hero-point i {
  color: var(--gold);
  font-size: 14px;
}
.login-preview {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0,0,0,.25);
  padding: 36px 30px 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  transform: translateY(0);
  transition: var(--transition-base);
}
.login-preview:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 70px rgba(0,0,0,.3);
}
.login-preview-head {
  text-align: center;
  margin-bottom: 26px;
}
.login-preview-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(212,169,79,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--gold);
  font-size: 22px;
}
.login-preview-head h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.login-preview-head p {
  font-size: 13px;
  color: var(--text-sub);
}
.login-field {
  margin-bottom: 18px;
}
.login-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.login-field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--border-color);
  background: var(--bg-light);
  font-size: 14px;
  color: var(--text-main);
  transition: var(--transition-base);
}
.login-field input:focus {
  outline: none;
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(212,169,79,.15);
}
.login-field input::placeholder {
  color: #b0b3c5;
}
.login-submit {
  margin-top: 10px;
}
.login-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  font-size: 13px;
}
.login-meta a {
  color: var(--gold);
  font-weight: 500;
}
.login-meta a:hover {
  text-decoration: underline;
}
.login-meta label {
  color: var(--text-sub);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--primary-darker);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 30px 0;
  position: relative;
  z-index: 3;
}
.stats-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.stat-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(212,169,79,.35);
  border-radius: 999px;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  justify-content: center;
  min-width: 160px;
  transition: var(--transition-base);
}
.stat-item:hover {
  background: rgba(212,169,79,.08);
  border-color: var(--gold);
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--gold-light);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-unit {
  font-size: 16px;
  color: var(--gold);
  font-weight: 600;
  margin-left: 2px;
}
.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.75);
  white-space: nowrap;
}

/* ===== Services ===== */
.services-section {
  padding: var(--section-space) 0;
  background: var(--bg-light);
}
.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-default);
  overflow: hidden;
  height: 100%;
  transition: var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
  border-top: 3px solid transparent;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--gold);
}
.service-card.featured {
  border-top-color: var(--gold);
}
.service-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--bg-light);
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.service-card:hover .service-img img {
  transform: scale(1.05);
}
.service-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: -.2px;
}
.service-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.service-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.service-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-purple);
  background: rgba(108,111,161,.08);
  border: 1px solid rgba(108,111,161,.2);
  padding: 4px 12px;
  border-radius: 999px;
}
.link-arrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-base);
}
.link-arrow:hover {
  gap: 8px;
  color: var(--gold);
}

/* ===== Testimonials ===== */
.testimonials-section {
  padding: var(--section-space) 0;
  background: #fff;
  overflow: hidden;
}
.testimonials-slider {
  position: relative;
}
.testimonial-track {
  display: flex;
  transition: transform .45s ease;
}
.testimonial-card {
  flex: 0 0 100%;
  background: var(--bg-light);
  border-radius: var(--radius-card);
  padding: 28px 30px;
  margin: 0 10px;
  height: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(31,34,64,.05);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-default);
  border-color: rgba(212,169,79,.3);
}
.stars {
  display: flex;
  gap: 3px;
  color: var(--gold);
  font-size: 15px;
  margin-bottom: 14px;
}
.testimonial-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  flex: 1;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-white);
  border: 2px solid rgba(212,169,79,.4);
  flex-shrink: 0;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.author-info {
  font-size: 13px;
}
.author-name {
  font-weight: 700;
  color: var(--text-main);
  display: block;
}
.author-role {
  color: var(--text-sub);
  font-size: 12px;
}
.slider-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}
.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition-base);
}
.slider-btn:hover {
  background: var(--gold-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(212,169,79,.3);
}
.slider-btn:focus-visible {
  outline: 2px dashed var(--gold);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .testimonial-card {
    flex: 0 0 calc(33.333% - 20px);
  }
  .slider-controls {
    display: none;
  }
}

/* ===== Guarantee ===== */
.guarantee-section {
  padding: var(--section-space) 0;
  background: var(--primary-darker);
  position: relative;
}
.guarantee-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1px 1px at 20% 40%, rgba(255,255,255,.15) 50%, transparent 50%),
    radial-gradient(1px 1px at 70% 70%, rgba(255,255,255,.1) 50%, transparent 50%),
    radial-gradient(2px 2px at 45% 30%, rgba(255,255,255,.08) 50%, transparent 50%);
  pointer-events: none;
}
.guarantee-inner {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.guarantee-item {
  flex: 1;
  min-width: 220px;
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,.03);
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,255,255,.06);
  transition: var(--transition-base);
}
.guarantee-item:hover {
  background: rgba(212,169,79,.06);
  border-color: rgba(212,169,79,.3);
}
.guarantee-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(212,169,79,.12);
  border: 1px solid rgba(212,169,79,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--gold-light);
  font-size: 24px;
}
.guarantee-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.guarantee-desc {
  font-size: 13px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}
.guarantee-head .section-title {
  color: #fff;
}
.guarantee-head .section-sub {
  color: rgba(255,255,255,.6);
}
.guarantee-head .section-label {
  background: rgba(212,169,79,.15);
}

/* ===== CTA Banner ===== */
.cta-banner-section {
  padding: 72px 0;
}
.cta-banner {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  min-height: 280px;
  display: flex;
  align-items: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26,28,56,.9) 0%, rgba(31,34,64,.7) 60%, rgba(43,45,89,.4) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 48px;
  flex-wrap: wrap;
}
.cta-left {
  flex: 1;
  min-width: 280px;
}
.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.cta-text {
  font-size: 15px;
  color: rgba(255,255,255,.78);
  max-width: 520px;
  line-height: 1.7;
}
.cta-right {
  flex-shrink: 0;
  display: flex;
  gap: 14px;
  align-items: center;
}
.cta-right .btn-outline {
  border-color: rgba(255,255,255,.5);
}

/* ===== News ===== */
.news-section {
  padding: var(--section-space) 0;
  background: var(--bg-light);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-card {
  background: var(--bg-white);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 4px 14px rgba(31,34,64,.05);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}
.news-card:hover {
  box-shadow: var(--shadow-default);
  border-color: rgba(212,169,79,.35);
  transform: translateX(4px);
}
.news-thumb {
  width: 120px;
  height: 80px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg-light);
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  background: rgba(212,169,79,.1);
  border: 1px solid rgba(212,169,79,.2);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.news-content h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
  line-height: 1.5;
  transition: var(--transition-base);
}
.news-content h3:hover {
  color: var(--gold);
}
.news-content p {
  font-size: 13px;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #a0a3b8;
}
.news-meta .read-more {
  color: var(--gold);
  font-weight: 600;
}
.empty-state {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-card);
  height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  background: #fcfcfe;
}
.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
}
.empty-state p {
  font-size: 15px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-darker);
  color: rgba(255,255,255,.7);
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.footer-main {
  display: flex;
  gap: 48px;
  padding: 64px 0 40px;
  flex-wrap: wrap;
}
.footer-col {
  flex: 1;
  min-width: 200px;
}
.footer-brand {
  flex: 1.4;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 18px;
}
.footer-brand-desc {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.footer-link-list {
  list-style: none;
}
.footer-link-list li {
  margin-bottom: 10px;
}
.footer-link-list a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: var(--transition-base);
}
.footer-link-list a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.footer-contact-list {
  list-style: none;
}
.footer-contact-list li {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
}
.footer-contact-list i {
  color: var(--gold);
  width: 18px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-bottom a {
  color: rgba(255,255,255,.5);
}
.footer-bottom a:hover {
  color: var(--gold);
}

/* ===== Media Queries ===== */
@media (max-width: 1023px) {
  :root {
    --section-space: 64px;
  }
  .hero {
    padding: 72px 0 0;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-text-wrap {
    padding: 0 0 40px;
  }
  .login-preview {
    max-width: 420px;
    margin: 0 auto;
  }
  .cta-content {
    flex-direction: column;
    text-align: center;
    padding: 40px 30px;
  }
  .cta-title {
    font-size: 24px;
  }
}

@media (max-width: 639px) {
  :root {
    --section-space: 48px;
  }
  .dock-wrapper {
    top: 10px;
    padding: 0 12px;
    margin-top: 8px;
  }
  .dock-nav {
    padding: 8px 14px;
  }
  .logo-text {
    font-size: 15px;
  }
  .dock-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .search-btn {
    display: none;
  }
  .hero {
    padding: 56px 0 0;
  }
  .hero-title {
    font-size: 28px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-btns .btn-gold,
  .hero-btns .btn-outline {
    width: 100%;
    text-align: center;
  }
  .stats-inner {
    flex-direction: row;
    gap: 12px;
  }
  .stat-item {
    min-width: calc(50% - 12px);
    flex-direction: column;
    padding: 16px 12px;
    gap: 4px;
    border-radius: 20px;
  }
  .stat-num {
    font-size: 24px;
  }
  .stat-label {
    font-size: 12px;
  }
  .section-title {
    font-size: 24px;
  }
  .section-sub {
    font-size: 14px;
  }
  .service-card {
    margin-bottom: 16px;
  }
  .service-img {
    height: 160px;
  }
  .news-card {
    flex-direction: row;
    padding: 14px;
    gap: 12px;
  }
  .news-thumb {
    width: 84px;
    height: 70px;
  }
  .news-content h3 {
    font-size: 15px;
  }
  .news-content p {
    display: none;
  }
  .guarantee-item {
    min-width: calc(50% - 12px);
    padding: 20px 12px;
  }
  .cta-banner {
    border-radius: 24px;
  }
  .cta-content {
    padding: 28px 20px;
  }
  .cta-right {
    flex-direction: column;
  }
  .cta-right .btn-gold,
  .cta-right .btn-outline {
    width: 100%;
  }
  .footer-main {
    padding: 48px 0 32px;
  }
  .footer-col {
    flex: 0 0 100%;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 24px;
  }
  .hero-badge {
    font-size: 12px;
    padding: 6px 14px;
  }
  .login-preview {
    padding: 24px 20px;
  }
  .stat-item {
    padding: 14px 10px;
  }
  .stat-num {
    font-size: 20px;
  }
}

/* roulang page: category1 */
:root {
  --primary-dark: #1F2240;
  --primary-deep: #2B2D59;
  --gold: #D4A94F;
  --gold-light: #E8C874;
  --gold-dark: #B8913A;
  --gold-gradient: linear-gradient(135deg, #E8C874 0%, #D4A94F 100%);
  --bg-light: #F6F6FA;
  --card-white: #FFFFFF;
  --text-main: #1E2130;
  --text-secondary: #6E7191;
  --border: #E8E8F0;
  --accent-purple: #6C6FA1;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(31,34,64,.08);
  --shadow-hover: 0 16px 40px rgba(31,34,64,.14);
  --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: all .3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--gold-dark);
}

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

button, input, select, textarea {
  font-family: var(--font-main);
}

ul, ol {
  list-style: none;
}

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

/* ===== Dock Navigation ===== */
.dock-wrapper {
  padding: 16px 24px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: transparent;
}

.dock-nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.96);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  box-shadow: 0 8px 32px rgba(31,34,64,.10);
  border: 1px solid rgba(255,255,255,.6);
  transition: var(--transition);
}

.dock-nav:hover {
  box-shadow: 0 12px 36px rgba(31,34,64,.14);
}

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

.logo-star {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(212,169,79,.35);
}

.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: .2px;
  white-space: nowrap;
}

.dock-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
  padding: 0 24px;
}

.dock-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  white-space: nowrap;
  transition: var(--transition);
}

.dock-link:hover {
  background: rgba(212,169,79,.12);
  color: var(--gold-dark);
}

.dock-link.active {
  background: var(--gold-gradient);
  color: var(--primary-dark);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(212,169,79,.3);
}

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

.search-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-white);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.search-btn:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
  background: rgba(212,169,79,.08);
}

.search-btn:focus-visible {
  outline: 2px dashed var(--gold);
  outline-offset: 2px;
}

.hamburger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-white);
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

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

.dock-mobile-panel {
  display: none;
  max-width: 1200px;
  margin: 8px auto 0;
  background: var(--card-white);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(31,34,64,.12);
}

.dock-mobile-panel.open {
  display: block;
}

.mobile-link {
  display: block;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
}

.mobile-link:hover {
  background: rgba(212,169,79,.1);
  color: var(--gold-dark);
}

.mobile-link.active {
  background: var(--gold-gradient);
  color: var(--primary-dark);
  font-weight: 600;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--gold-gradient);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(212,169,79,.3);
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212,169,79,.4);
  color: var(--primary-dark);
}

.btn-gold:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(212,169,79,.3);
}

.btn-gold:focus-visible {
  outline: 2px dashed var(--gold-dark);
  outline-offset: 3px;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 13px;
  border-radius: 10px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.7);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
}

.btn-outline:focus-visible {
  outline: 2px dashed var(--gold-light);
  outline-offset: 3px;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-deep) 100%);
  padding: 80px 0 72px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .22;
  z-index: 0;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 20%, rgba(212,169,79,.25) 0%, transparent 45%),
              radial-gradient(circle at 15% 80%, rgba(108,111,161,.3) 0%, transparent 40%);
  z-index: 0;
}

.page-hero .container-custom {
  position: relative;
  z-index: 1;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-breadcrumb a {
  color: rgba(255,255,255,.7);
}

.hero-breadcrumb a:hover {
  color: var(--gold-light);
}

.hero-breadcrumb i {
  font-size: 10px;
  color: rgba(255,255,255,.35);
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: 0;
}

.page-hero h1 .gold-accent {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,.75);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.hero-tag i {
  color: var(--gold-light);
  font-size: 11px;
}

/* ===== Description Box ===== */
.desc-section {
  padding: 64px 0 0;
}

.desc-frame {
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card-white);
  padding: 36px 40px;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.desc-frame::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 40px;
  width: 80px;
  height: 3px;
  background: var(--gold-gradient);
  border-radius: 0 0 4px 4px;
}

.desc-frame p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
}

.desc-frame p + p {
  margin-top: 16px;
}

.desc-highlight {
  color: var(--gold-dark);
  font-weight: 600;
}

/* ===== Capability Cards ===== */
.capability-section {
  padding: 72px 0 0;
}

.section-header {
  margin-bottom: 40px;
}

.section-header .section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}

.section-header .section-eyebrow i {
  font-size: 14px;
}

.section-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.7;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.capability-card {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.capability-card:nth-child(1),
.capability-card:nth-child(4) {
  border-top-color: var(--gold);
}

.capability-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-top-color: var(--gold);
}

.capability-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(212,169,79,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--gold-dark);
  margin-bottom: 20px;
  transition: var(--transition);
}

.capability-card:hover .capability-icon {
  background: var(--gold-gradient);
  color: var(--primary-dark);
  box-shadow: 0 6px 16px rgba(212,169,79,.3);
}

.capability-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.4;
}

.capability-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== Steps Section ===== */
.steps-section {
  padding: 72px 0 0;
}

.steps-wrap {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px 40px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold), var(--gold-light));
  z-index: 0;
}

.step-item {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: var(--primary-dark);
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 20px rgba(212,169,79,.35);
  border: 4px solid var(--card-white);
}

.step-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}

.step-item p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ===== Feature Split ===== */
.feature-split-section {
  padding: 72px 0 0;
}

.feature-split {
  background: var(--card-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
}

.feature-media {
  flex: 0 0 44%;
  position: relative;
  min-height: 360px;
}

.feature-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 60%, rgba(255,255,255,.8) 100%);
}

.feature-content {
  flex: 1;
  padding: 40px 44px;
}

.feature-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.4;
}

.feature-content > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}

.feature-list li i {
  color: var(--gold-dark);
  font-size: 14px;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ===== Tips Section ===== */
.tips-section {
  padding: 72px 0 0;
}

.tips-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-deep) 100%);
  border-radius: var(--radius-lg);
  padding: 44px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.tips-card::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(212,169,79,.15);
}

.tips-card::after {
  content: '';
  position: absolute;
  right: 40px;
  bottom: -60px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(108,111,161,.2);
}

.tips-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.tips-left {
  flex: 0 0 38%;
}

.tips-left .section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 12px;
}

.tips-left h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
}

.tips-left p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.7);
}

.tips-right {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tip-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition);
}

.tip-item:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(212,169,79,.3);
}

.tip-item i {
  color: var(--gold-light);
  font-size: 20px;
  margin-bottom: 12px;
}

.tip-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tip-item p {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255,255,255,.65);
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 72px 0 0;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-item.open {
  border-color: var(--gold);
  box-shadow: 0 8px 24px rgba(212,169,79,.12);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
  line-height: 1.5;
}

.faq-question:hover {
  color: var(--gold-dark);
}

.faq-question .faq-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--gold-dark);
  transition: var(--transition);
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  background: var(--gold-gradient);
  color: var(--primary-dark);
  border-color: transparent;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 72px 0 64px;
}

.cta-banner {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  padding: 56px 48px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, #14162E 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: .12;
}

.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(212,169,79,.2) 0%, transparent 50%);
}

.cta-banner .cta-inner {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cta-banner p {
  font-size: 15px;
  color: rgba(255,255,255,.7);
  max-width: 480px;
  line-height: 1.75;
}

.cta-banner .btn-gold {
  flex-shrink: 0;
  font-size: 16px;
  padding: 16px 40px;
  position: relative;
  z-index: 1;
}

/* ===== Footer ===== */
.site-footer {
  background: #1A1C38;
  position: relative;
  padding: 56px 0 24px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.footer-main {
  display: flex;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand {
  flex: 0 0 34%;
}

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

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-star {
  background: var(--gold-gradient);
  color: var(--primary-dark);
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.55);
  max-width: 320px;
}

.footer-col {
  flex: 1;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: .3px;
}

.footer-link-list li {
  margin-bottom: 12px;
}

.footer-link-list a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}

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

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}

.footer-contact-list li i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212,169,79,.12);
  color: var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,.35);
  line-height: 1.6;
}

.footer-bottom a {
  color: rgba(255,255,255,.4);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }

  .steps-grid::before {
    display: none;
  }

  .feature-split {
    flex-direction: column;
  }

  .feature-media {
    flex: none;
    min-height: 260px;
  }

  .feature-media::after {
    background: linear-gradient(0deg, transparent 60%, rgba(255,255,255,.8) 100%);
  }

  .tips-inner {
    flex-direction: column;
    gap: 32px;
  }

  .tips-left {
    flex: none;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 48px 32px;
  }

  .cta-banner p {
    margin: 0 auto;
  }

  .footer-main {
    flex-wrap: wrap;
    gap: 36px;
  }

  .footer-brand {
    flex: 0 0 100%;
  }
}

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

  .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .dock-nav {
    padding: 10px 14px;
  }

  .dock-actions .btn-sm {
    display: none;
  }

  .page-hero {
    padding: 56px 0 48px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

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

  .desc-frame {
    padding: 28px 24px;
  }

  .desc-frame p {
    font-size: 15px;
  }

  .section-header h2 {
    font-size: 26px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .steps-wrap {
    padding: 32px 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .step-item {
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 0;
  }

  .step-number {
    margin: 0;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    font-size: 20px;
  }

  .feature-content {
    padding: 28px 24px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .tips-card {
    padding: 32px 24px;
  }

  .tips-right {
    grid-template-columns: 1fr;
  }

  .faq-question {
    font-size: 15px;
    padding: 18px 20px;
  }

  .cta-banner {
    padding: 40px 24px;
    border-radius: 24px;
  }

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

  .footer-main {
    flex-direction: column;
    gap: 32px;
  }

  .footer-brand {
    flex: none;
  }
}

@media (max-width: 520px) {
  .container-custom {
    padding: 0 16px;
  }

  .dock-wrapper {
    padding: 12px 12px 0;
  }

  .logo-text {
    font-size: 14px;
  }

  .logo-star {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .hero-meta {
    gap: 8px;
  }

  .hero-tag {
    font-size: 11px;
    padding: 5px 10px;
  }

  .steps-wrap {
    padding: 24px 16px;
  }

  .feature-media {
    min-height: 200px;
  }

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

  .feature-content h2 {
    font-size: 22px;
  }

  .tips-card {
    padding: 28px 20px;
  }

  .cta-banner {
    padding: 32px 20px;
  }

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

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

/* roulang page: article */
:root {
  --primary-dark: #1F2240;
  --primary-deep: #2B2D59;
  --accent-gold: #D4A94F;
  --accent-gold-light: #E8C874;
  --bg-light: #F6F6FA;
  --card-white: #FFFFFF;
  --text-main: #1E2130;
  --text-sub: #6E7191;
  --border-color: #E8E8F0;
  --purple-accent: #6C6FA1;
  --radius-card: 22px;
  --radius-btn: 12px;
  --shadow-default: 0 8px 24px rgba(31,34,64,.08);
  --shadow-hover: 0 16px 40px rgba(31,34,64,.14);
  --font-family: "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --spacing-section: 80px;
  --spacing-section-mobile: 48px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--bg-light); color: var(--text-main); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }
::-moz-selection { background: rgba(212,169,79,.3); }
::selection { background: rgba(212,169,79,.3); }
.row { max-width: none; margin: 0 -12px; }
.columns { padding: 0 12px; }

.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; position: relative; }

.dock-wrapper { padding: 16px 24px 0; position: sticky; top: 0; z-index: 100; }
.dock-nav { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.95); border-radius: 999px; padding: 10px 18px 10px 22px; box-shadow: var(--shadow-default); border: 1px solid rgba(255,255,255,.6); }
.dock-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-star { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light)); color: #fff; border-radius: 50%; font-size: 15px; box-shadow: 0 4px 12px rgba(212,169,79,.35); }
.logo-text { font-size: 17px; font-weight: 700; color: var(--text-main); letter-spacing: .3px; white-space: nowrap; }
.dock-links { display: flex; gap: 6px; }
.dock-link { padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--text-sub); transition: all .25s ease; }
.dock-link:hover { color: var(--accent-gold); background: rgba(212,169,79,.1); }
.dock-link.active { color: #fff; background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light)); font-weight: 600; box-shadow: 0 4px 14px rgba(212,169,79,.35); }
.dock-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-btn { width: 38px; height: 38px; border: 1px solid var(--border-color); background: #fff; border-radius: 50%; color: var(--text-sub); display: flex; align-items: center; justify-content: center; transition: all .25s ease; }
.search-btn:hover { color: var(--accent-gold); border-color: var(--accent-gold); transform: translateY(-2px); }
.search-btn:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 2px; }
.hamburger { display: none; width: 38px; height: 38px; border: 1px solid var(--border-color); background: #fff; font-size: 16px; color: var(--text-main); border-radius: 50%; align-items: center; justify-content: center; transition: all .25s; }
.hamburger:hover { color: var(--accent-gold); border-color: var(--accent-gold); }
.hamburger:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 2px; }

.btn-gold { display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light)); color: #fff; font-weight: 600; border-radius: 999px; padding: 12px 28px; border: none; font-size: 14px; transition: all .3s ease; box-shadow: 0 4px 16px rgba(212,169,79,.3); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,169,79,.45); color: #fff; }
.btn-gold:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(212,169,79,.3); }
.btn-gold:focus-visible { outline: 2px dashed var(--accent-gold); outline-offset: 3px; }
.btn-sm { padding: 9px 22px; font-size: 13px; }
.btn-lg { padding: 15px 38px; font-size: 15px; border-radius: 14px; }
.btn-block { width: 100%; }

.dock-mobile-panel { position: absolute; top: calc(100% + 2px); left: 24px; right: 24px; background: #fff; border-radius: 20px; box-shadow: var(--shadow-hover); max-height: 0; overflow: hidden; padding: 0 20px; transition: max-height .4s ease, padding .4s ease; z-index: 99; border: 1px solid var(--border-color); }
.dock-mobile-panel.open { max-height: 420px; padding: 20px; }
.mobile-link { display: block; padding: 13px 4px; color: var(--text-sub); font-size: 14px; border-bottom: 1px solid var(--bg-light); transition: all .25s; }
.mobile-link:hover { color: var(--accent-gold); padding-left: 8px; }
.mobile-link.active { color: var(--accent-gold); font-weight: 600; }
.mobile-link:last-of-type { border-bottom: none; }

.breadcrumb-bar { background: #fff; border-bottom: 1px solid var(--border-color); padding: 14px 0; margin-top: 18px; }
.breadcrumb-bar .container-custom { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-sub); }
.breadcrumb-bar a { color: var(--text-sub); transition: color .25s; }
.breadcrumb-bar a:hover { color: var(--accent-gold); }
.breadcrumb-bar i { font-size: 10px; color: #C4C6D4; }
.breadcrumb-bar .current { color: var(--text-main); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }

.article-header { background: #fff; padding: 60px 0 56px; position: relative; }
.article-header::after { content: ''; position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%); width: 120px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, transparent, var(--accent-gold), transparent); }
.article-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.badge-category { display: inline-flex; align-items: center; padding: 6px 16px; border-radius: 999px; font-size: 12px; font-weight: 500; color: var(--purple-accent); background: rgba(108,111,161,.1); border: 1px solid rgba(108,111,161,.25); }
.article-date { font-size: 13px; color: var(--text-sub); display: inline-flex; align-items: center; gap: 7px; }
.article-date i { color: var(--accent-gold); }
.article-header h1 { font-size: 38px; font-weight: 700; line-height: 1.35; color: var(--text-main); margin-bottom: 18px; max-width: 760px; }
.article-subtitle { font-size: 15px; color: var(--text-sub); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; max-width: 720px; }

.article-body-wrap { padding: 24px 0 72px; }
.article-content { background: #fff; border-radius: 24px; padding: 52px; box-shadow: var(--shadow-default); }
.article-content h2 { font-size: 26px; font-weight: 700; color: var(--text-main); margin: 44px 0 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border-color); }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--text-main); margin: 34px 0 14px; }
.article-content p { font-size: 16px; line-height: 1.85; color: var(--text-main); margin-bottom: 22px; }
.article-content a { color: var(--accent-gold); font-weight: 500; border-bottom: 1px solid rgba(212,169,79,.3); transition: border-color .25s; }
.article-content a:hover { border-bottom-color: var(--accent-gold); }
.article-content img { max-width: 100%; border-radius: 16px; box-shadow: var(--shadow-default); margin: 28px auto; }
.article-content figure { margin: 28px 0; }
.article-content figure img { margin: 0; }
.article-content figure figcaption { text-align: center; font-size: 13px; color: var(--text-sub); margin-top: 12px; }
.article-content blockquote { border-left: 4px solid var(--accent-gold); background: linear-gradient(135deg, #FDFBF6, #F9F6EE); padding: 22px 28px; border-radius: 0 16px 16px 0; margin: 28px 0; font-size: 15px; line-height: 1.8; color: var(--text-main); }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-default); font-size: 14px; }
.article-content table thead th { background: var(--primary-dark); color: #fff; padding: 14px 18px; font-weight: 500; text-align: left; }
.article-content table tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border-color); }
.article-content table tbody tr:last-child td { border-bottom: none; }
.article-content table tbody tr:hover { background: #F9F9FC; }
.article-content ul, .article-content ol { padding-left: 24px; margin: 22px 0; line-height: 1.85; }
.article-content ul li, .article-content ol li { margin-bottom: 8px; }
.article-content ul li::marker { color: var(--accent-gold); }
.article-content pre { background: var(--primary-dark); color: #F6F6FA; border-radius: 14px; padding: 22px 26px; overflow-x: auto; margin: 28px 0; font-size: 14px; line-height: 1.7; box-shadow: var(--shadow-default); }
.article-content code { font-family: "SF Mono", "JetBrains Mono", Consolas, monospace; font-size: 14px; background: rgba(108,111,161,.1); color: var(--primary-deep); padding: 2px 6px; border-radius: 6px; }
.article-content pre code { background: transparent; padding: 0; color: inherit; }
.article-content hr { border: none; border-top: 1px solid var(--border-color); margin: 40px 0; }
.article-content .article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--border-color); }
.article-content .tag { display: inline-flex; align-items: center; padding: 7px 16px; border-radius: 999px; background: var(--bg-light); color: var(--text-sub); font-size: 13px; font-weight: 500; border: 1px solid var(--border-color); transition: all .25s; }
.article-content .tag:hover { color: var(--accent-gold); border-color: var(--accent-gold); background: rgba(212,169,79,.06); }

.article-empty { background: #fff; border-radius: 24px; padding: 80px 40px; text-align: center; box-shadow: var(--shadow-default); }
.article-empty .empty-star { width: 72px; height: 72px; margin: 0 auto 20px; background: linear-gradient(135deg, rgba(212,169,79,.15), rgba(232,200,116,.1)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--accent-gold); font-size: 28px; }
.article-empty p { color: var(--text-sub); font-size: 17px; margin-bottom: 24px; }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--accent-gold); color: var(--accent-gold); background: transparent; border-radius: 999px; padding: 11px 26px; font-size: 14px; font-weight: 500; transition: all .25s ease; }
.btn-outline:hover { background: rgba(212,169,79,.1); color: var(--accent-gold); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(212,169,79,.15); }
.btn-outline:focus-visible { outline: 2px dashed var(--accent-gold); outline-offset: 3px; }

.related-section { padding: 72px 0 60px; background: var(--bg-light); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 34px; }
.section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-main); padding-left: 16px; position: relative; }
.section-head h2::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 24px; border-radius: 4px; background: linear-gradient(180deg, var(--accent-gold), var(--accent-gold-light)); }
.related-col { margin-bottom: 28px; }
.related-card { background: #fff; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-default); transition: all .3s ease; border: 1px solid transparent; height: 100%; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(212,169,79,.3); }
.related-img-wrap { display: block; aspect-ratio: 16/9; overflow: hidden; position: relative; background: var(--primary-dark); }
.related-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-img-wrap img { transform: scale(1.05); }
.related-card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.badge-small { font-size: 11px; padding: 4px 12px; margin-bottom: 12px; align-self: flex-start; }
.related-card-body h3 { font-size: 17px; font-weight: 600; line-height: 1.5; margin: 4px 0 10px; }
.related-card-body h3 a { color: var(--text-main); transition: color .25s; }
.related-card-body h3 a:hover { color: var(--accent-gold); }
.related-card-body p { font-size: 13px; color: var(--text-sub); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.related-date { font-size: 12px; color: #A0A3BC; display: inline-flex; align-items: center; gap: 6px; }
.related-footer { text-align: center; margin-top: 20px; }

.cta-banner-section { padding: 24px 0 80px; }
.cta-banner { border-radius: 32px; background-size: cover; background-position: center; position: relative; overflow: hidden; padding: 70px 56px; }
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(31,34,64,.94) 0%, rgba(43,45,89,.82) 55%, rgba(31,34,64,.55) 100%); }
.cta-content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; max-width: 580px; }
.cta-content h2 { color: #fff; font-size: 30px; font-weight: 700; margin-bottom: 14px; line-height: 1.35; }
.cta-content p { color: rgba(255,255,255,.8); font-size: 16px; margin-bottom: 28px; line-height: 1.6; }

.site-footer { background: #1A1C38; padding: 72px 0 24px; border-top: 2px solid var(--accent-gold); }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .dock-logo { color: #fff; }
.footer-brand .logo-text { color: #fff; }
.footer-brand-desc { color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.75; margin-top: 18px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-link-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-link-list a { color: rgba(255,255,255,.55); font-size: 14px; transition: color .25s, padding-left .25s; }
.footer-link-list a:hover { color: var(--accent-gold); padding-left: 4px; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 14px; color: rgba(255,255,255,.55); font-size: 14px; }
.footer-contact-list i { color: var(--accent-gold); margin-right: 10px; width: 18px; text-align: center; }
.footer-bottom { padding-top: 28px; text-align: center; color: rgba(255,255,255,.4); font-size: 13px; }

@media (max-width: 1024px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .related-card-body { padding: 20px; }
  .cta-banner { padding: 56px 40px; }
}

@media (max-width: 768px) {
  .dock-links { display: none; }
  .dock-actions .search-btn { display: none; }
  .hamburger { display: flex; align-items: center; justify-content: center; }
  .dock-mobile-panel { position: absolute; top: calc(100% + 2px); left: 24px; right: 24px; display: block; max-height: 0; padding: 0 20px; overflow: hidden; transition: max-height .4s ease, padding .4s ease; }
  .dock-mobile-panel.open { max-height: 420px; padding: 20px; }
  .mobile-link { display: block; }
  .dock-mobile-panel .btn-gold { margin-top: 16px !important; }
  .article-header { padding: 44px 0 40px; }
  .article-header h1 { font-size: 30px; }
  .article-content { padding: 34px 28px; border-radius: 20px; }
  .related-section { padding: 52px 0 40px; }
  .cta-banner-section { padding: 16px 0 60px; }
  .cta-banner { padding: 46px 28px; border-radius: 26px; }
  .cta-content h2 { font-size: 25px; }
  .footer-main { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: auto; }
  .breadcrumb-bar .current { max-width: 200px; }
  .related-col { margin-bottom: 20px; }
}

@media (max-width: 520px) {
  .dock-wrapper { padding: 10px 14px 0; }
  .dock-nav { padding: 8px 14px; border-radius: 28px; }
  .logo-text { font-size: 14px; }
  .logo-star { width: 32px; height: 32px; font-size: 13px; }
  .btn-gold.btn-sm { padding: 8px 16px; font-size: 12px; border-radius: 999px; }
  .dock-mobile-panel { left: 14px; right: 14px; top: calc(100% + 2px); }
  .container-custom, .container-narrow { padding: 0 16px; }
  .article-header { padding: 36px 0 32px; }
  .article-header h1 { font-size: 24px; }
  .article-subtitle { font-size: 14px; }
  .article-body-wrap { padding: 16px 0 48px; }
  .article-content { padding: 26px 20px; border-radius: 18px; }
  .article-content h2 { font-size: 21px; }
  .article-content table { font-size: 13px; display: block; overflow-x: auto; white-space: nowrap; }
  .article-content pre { font-size: 13px; padding: 18px; }
  .article-empty { padding: 56px 24px; }
  .cta-banner { border-radius: 20px; padding: 38px 22px; }
  .cta-content h2 { font-size: 21px; }
  .cta-content p { font-size: 14px; }
  .related-card-body { padding: 18px; }
  .related-card-body h3 { font-size: 16px; }
  .section-head h2 { font-size: 24px; }
  .breadcrumb-bar { padding: 12px 0; }
  .breadcrumb-bar .current { max-width: 140px; }
}

/* roulang page: category2 */
:root {
  --navy-900:#1A1C38;
  --navy-800:#1F2240;
  --navy-700:#2B2D59;
  --gold-500:#D4A94F;
  --gold-400:#E8C874;
  --gold-600:#B88A35;
  --bg-page:#F6F6FA;
  --card-bg:#FFFFFF;
  --text-main:#1E2130;
  --text-sub:#6E7191;
  --border-color:#E8E8F0;
  --accent-purple:#6C6FA1;
  --danger:#D95C5C;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 8px 24px rgba(31,34,64,.08);
  --shadow-hover:0 16px 40px rgba(31,34,64,.14);
  --space-section:84px;
  --space-section-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg-page);color:var(--text-main);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--gold-500);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
h1{font-size:44px;line-height:1.22;font-weight:700;}
h2{font-size:30px;line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
:focus-visible{outline:2px dashed var(--gold-500);outline-offset:3px;border-radius:4px;}
.container-custom{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.grid-x{margin:0 -12px;display:flex;flex-flow:row wrap;}
.grid-x > .cell{padding:0 12px;margin-bottom:24px;}
.section-head{margin-bottom:48px;}
.section-head h2{color:var(--text-main);margin-bottom:10px;}
.section-head p{color:var(--text-sub);font-size:15px;line-height:1.8;}
.section-head.centered{text-align:center;}
.section-head.light h2{color:#fff;}
.section-head.light p{color:rgba(255,255,255,.65);}

/* ===== 按钮 ===== */
.btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#fff;border:none;border-radius:var(--radius-sm);padding:14px 32px;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(212,169,79,.35);transition:transform .25s,box-shadow .25s,opacity .25s;text-decoration:none;}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(212,169,79,.45);color:#fff;text-decoration:none;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(212,169,79,.3);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;border:1px solid rgba(255,255,255,.8);color:#fff;border-radius:var(--radius-sm);padding:14px 32px;font-size:15px;font-weight:600;transition:background .2s,border-color .2s,color .2s;text-decoration:none;}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;text-decoration:none;}
.btn-outline.gold-variant{border-color:var(--gold-500);color:var(--gold-500);}
.btn-outline.gold-variant:hover{background:rgba(212,169,79,.1);color:var(--gold-400);}
.btn-lg{padding:16px 36px;font-size:16px;}
.btn-sm{padding:10px 22px;font-size:14px;border-radius:999px;}
.btn-block{width:100%;}

/* ===== 顶部 Dock 导航 ===== */
.dock-wrapper{position:sticky;top:8px;z-index:100;padding:16px 16px 0;}
.dock-nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(255,255,255,.94);border:1px solid rgba(232,232,240,.8);border-radius:999px;padding:10px 20px;box-shadow:0 8px 32px rgba(31,34,64,.10);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.logo-star{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--gold-400),var(--gold-500));display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex-shrink:0;}
.logo-text{font-size:17px;font-weight:700;color:var(--text-main);white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:6px;}
.dock-link{padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-sub);text-decoration:none;transition:background .25s,color .25s;}
.dock-link:hover{background:rgba(212,169,79,.08);color:var(--gold-500);}
.dock-link.active{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#fff;box-shadow:0 8px 18px rgba(212,169,79,.35);}
.dock-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-color);background:#fff;color:var(--text-sub);display:flex;align-items:center;justify-content:center;font-size:15px;transition:border-color .25s,color .25s;}
.search-btn:hover{border-color:var(--gold-500);color:var(--gold-500);}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--border-color);background:#fff;color:var(--text-main);align-items:center;justify-content:center;font-size:17px;}
.hamburger.active{border-color:var(--gold-500);color:var(--gold-500);}
.dock-mobile-panel{max-width:1200px;margin:10px auto 0;background:#fff;border:1px solid var(--border-color);border-radius:20px;box-shadow:var(--shadow-hover);padding:18px;display:none;flex-direction:column;gap:4px;}
.dock-mobile-panel.open{display:flex;}
.mobile-link{padding:12px 16px;border-radius:14px;font-size:15px;color:var(--text-main);text-decoration:none;border-bottom:1px solid var(--border-color);transition:background .2s,color .2s;}
.mobile-link:last-child{border-bottom:none;}
.mobile-link:hover{background:rgba(212,169,79,.08);color:var(--gold-500);}
.mobile-link.active{background:rgba(212,169,79,.12);color:var(--gold-600);font-weight:600;}

/* ===== Hero ===== */
.hero-section{background:linear-gradient(135deg,var(--navy-800) 0%,var(--navy-700) 60%,#383A6E 100%);position:relative;overflow:hidden;padding:76px 0 108px;}
.hero-section::before{content:"";position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,rgba(232,200,116,.16) 0%,transparent 62%);top:-320px;right:-140px;}
.hero-section::after{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(108,111,161,.22) 0%,transparent 60%);bottom:-260px;left:-90px;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--gold-400);background:rgba(212,169,79,.12);border:1px solid rgba(212,169,79,.3);padding:6px 16px;border-radius:999px;margin-bottom:20px;}
.hero-eyebrow i{font-size:12px;}
.hero-copy h1{color:#fff;margin-bottom:16px;}
.hero-subtitle{font-size:20px;font-weight:600;color:var(--gold-400);margin-bottom:14px;}
.hero-desc{font-size:16px;line-height:1.8;color:rgba(255,255,255,.72);max-width:520px;}
.hero-buttons{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.hero-trust{display:flex;align-items:center;gap:14px;margin-top:34px;color:rgba(255,255,255,.58);font-size:14px;}
.trust-avatars{display:flex;}
.trust-avatars span{width:36px;height:36px;border-radius:50%;border:2px solid var(--navy-800);background:linear-gradient(135deg,var(--gold-400),var(--gold-500));display:block;}
.trust-avatars span:nth-child(2){margin-left:-10px;background:linear-gradient(135deg,#8A8FB8,#5C5F8A);}
.trust-avatars span:nth-child(3){margin-left:-10px;background:linear-gradient(135deg,#7C7FAF,#43456F);}
.hero-login-card{background:rgba(255,255,255,.97);border-radius:24px;border-top:3px solid var(--gold-400);box-shadow:0 20px 60px rgba(0,0,0,.28);padding:30px;width:100%;max-width:440px;justify-self:end;}
.login-card-header{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;color:var(--text-main);padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--border-color);}
.login-card-header i{color:var(--gold-500);font-size:20px;}
.login-card-body label{display:block;font-size:14px;font-weight:500;color:var(--text-sub);margin-bottom:6px;}
.login-card-body input{width:100%;padding:12px 16px;border:1px solid #E0E0EA;border-radius:var(--radius-sm);font-size:15px;margin-bottom:18px;background:#fff;color:var(--text-main);transition:border-color .3s,box-shadow .3s;}
.login-card-body input::placeholder{color:#A0A3BC;}
.login-card-body input:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(212,169,79,.15);}
.login-card-extra{display:flex;justify-content:space-between;margin-top:16px;font-size:13px;}
.login-card-extra a{color:var(--accent-purple);font-weight:500;}
.login-card-extra a:hover{color:var(--gold-500);}

/* ===== 数据徽章条 ===== */
.data-badge-strip{background:var(--bg-page);padding:0 0 8px;position:relative;z-index:5;margin-top:-56px;}
.badge-row{display:flex;gap:16px;flex-wrap:wrap;background:#fff;border:1px solid var(--border-color);border-radius:24px;padding:28px 32px;box-shadow:var(--shadow-sm);justify-content:space-around;}
.data-badge-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 20px;text-align:center;}
.badge-num{font-size:32px;font-weight:800;color:var(--gold-500);font-variant-numeric:tabular-nums;line-height:1.1;}
.badge-label{font-size:13px;color:var(--text-sub);}

/* ===== 服务网格 ===== */
.service-grid-section{background:var(--bg-page);padding:72px 0 88px;}
.service-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);padding:32px 28px;height:100%;position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s;}
.service-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold-500),var(--gold-400));opacity:0;transition:opacity .3s;}
.service-card:hover::before{opacity:1;}
.service-card.gold-edge::before{opacity:1;}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.service-icon{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,rgba(212,169,79,.16),rgba(232,200,116,.08));color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;}
.service-card h3{font-size:19px;font-weight:600;color:var(--text-main);margin-bottom:10px;}
.service-card p{font-size:15px;color:var(--text-sub);line-height:1.8;}
.service-tag{display:inline-block;background:rgba(108,111,161,.1);color:var(--accent-purple);font-size:12px;font-weight:500;padding:4px 14px;border-radius:999px;margin-top:16px;}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:500;color:var(--text-main);transition:color .2s,gap .2s;}
.card-link:hover{color:var(--gold-500);gap:10px;}
.card-link i{font-size:12px;}

/* ===== 场景 ===== */
.scenarios-section{background:#fff;padding:var(--space-section) 0;}
.scenario-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;height:100%;transition:transform .3s,box-shadow .3s;}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scenario-img{height:200px;overflow:hidden;background:var(--bg-page);}
.scenario-img img{width:100%;height:100%;object-fit:cover;}
.scenario-card h3{font-size:20px;font-weight:600;margin:22px 24px 10px;color:var(--text-main);}
.scenario-card p{font-size:15px;color:var(--text-sub);line-height:1.8;margin:0 24px 24px;}

/* ===== 流程 ===== */
.process-section{background:var(--navy-800);position:relative;overflow:hidden;}
.process-section::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(212,169,79,.1) 0%,transparent 65%);top:-150px;left:-100px;}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;position:relative;z-index:2;}
.process-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:34px 28px;text-align:center;transition:background .3s,border-color .3s,transform .3s;}
.process-item:hover{background:rgba(255,255,255,.09);border-color:var(--gold-500);transform:translateY(-3px);}
.process-num{font-size:30px;font-weight:800;color:var(--gold-500);display:block;margin-bottom:16px;font-variant-numeric:tabular-nums;}
.process-item h3{color:#fff;font-size:18px;margin-bottom:10px;}
.process-item p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.7;}

/* ===== 保障条 ===== */
.assurance-strip{background:var(--navy-900);padding:64px 0;}
.assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.assurance-item{text-align:center;padding:8px 16px;}
.assurance-icon{width:36px;height:36px;color:var(--gold-500);margin-bottom:14px;display:inline-block;}
.assurance-item h4{color:#fff;font-size:17px;margin-bottom:8px;}
.assurance-item p{color:rgba(255,255,255,.48);font-size:14px;line-height:1.65;}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-page);}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border-color);border-radius:20px;margin-bottom:16px;overflow:hidden;transition:border-color .3s,box-shadow .3s;}
.faq-item.open{border-color:var(--gold-500);box-shadow:0 8px 24px rgba(31,34,64,.06);}
.faq-question{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;cursor:pointer;font-size:17px;font-weight:600;color:var(--text-main);user-select:none;transition:color .2s;}
.faq-question:hover{color:var(--gold-500);}
.faq-icon{width:28px;height:28px;border-radius:50%;background:rgba(212,169,79,.12);color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;transition:transform .35s;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-answer p{padding:0 26px 24px;color:var(--text-sub);font-size:15px;line-height:1.8;}

/* ===== CTA ===== */
.cta-banner{padding:80px 0;background:var(--bg-page);}
.cta-banner-inner{position:relative;border-radius:28px;overflow:hidden;background-size:cover;background-position:center;padding:68px 48px;}
.cta-overlay{position:absolute;inset:0;background:rgba(26,28,56,.84);}
.cta-content{position:relative;z-index:2;text-align:center;}
.cta-content h2{color:#fff;font-size:32px;font-weight:700;}
.cta-content p{color:rgba(255,255,255,.75);font-size:16px;margin-top:14px;line-height:1.8;}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:30px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.8);padding:72px 0 32px;border-top:2px solid var(--gold-500);}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:48px;margin-bottom:40px;}
.footer-brand-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin-top:16px;max-width:340px;}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-link-list li,.footer-contact-list li{margin-bottom:10px;font-size:14px;}
.footer-link-list a{color:rgba(255,255,255,.7);text-decoration:none;transition:color .25s;}
.footer-link-list a:hover{color:var(--gold-400);}
.footer-contact-list li{color:rgba(255,255,255,.6);display:flex;gap:10px;align-items:center;}
.footer-contact-list i{color:var(--gold-500);width:18px;text-align:center;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.35);}
.site-footer .logo-text{color:#fff;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:48px;}
  .hero-login-card{justify-self:center;}
  .process-row{grid-template-columns:repeat(2,1fr);}
  .assurance-grid{grid-template-columns:repeat(2,1fr);}
  .footer-main{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:var(--space-section-mobile) 0;}
  .dock-links{display:none;}
  .hamburger{display:flex;}
  .badge-row{padding:20px 16px;gap:12px;}
  .data-badge-item{padding:6px 12px;}
  .badge-num{font-size:26px;}
  .hero-section{padding:56px 0 96px;}
  .hero-copy h1{font-size:36px;}
  .hero-subtitle{font-size:18px;}
  .hero-buttons{flex-direction:column;}
  .cta-content h2{font-size:26px;}
  .cta-banner-inner{padding:44px 24px;}
  .footer-main{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:520px){
  .container-custom{padding:0 18px;}
  .dock-wrapper{padding:10px 10px 0;}
  .dock-nav{padding:8px 12px;gap:10px;}
  .dock-logo .logo-text{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .logo-star{width:30px;height:30px;font-size:13px;border-radius:8px;}
  .dock-actions .btn-sm{display:none;}
  .search-btn{width:36px;height:36px;font-size:14px;}
  .hamburger{width:36px;height:36px;}
  .hero-copy h1{font-size:30px;}
  .hero-subtitle{font-size:17px;}
  .hero-desc{font-size:15px;}
  .badge-num{font-size:22px;}
  .badge-label{font-size:12px;}
  .section-head h2{font-size:24px;}
  .section-head p{font-size:14px;}
  .process-row{grid-template-columns:1fr;gap:16px;margin-top:32px;}
  .assurance-grid{grid-template-columns:1fr;gap:20px;}
  .service-card{padding:24px 20px;}
  .service-card h3{font-size:18px;}
  .service-card p{font-size:14px;}
  .scenario-img{height:170px;}
  .scenario-card h3{font-size:18px;}
  .scenario-card p{font-size:14px;}
  .faq-question{font-size:15px;padding:18px 20px;}
  .faq-answer p{font-size:14px;padding:0 20px 18px;}
  .footer-bottom{font-size:12px;}
}