/* roulang page: index */
:root {
  --ink: #16181D;
  --gold: #C6A15B;
  --gold-light: #D8B87E;
  --warm-white: #F6F5F2;
  --white: #FFFFFF;
  --text-main: #1A1B1C;
  --text-sub: #5B5E63;
  --text-muted: #8A8D91;
  --line: rgba(23,24,29,0.08);
  --line-gold: rgba(198,161,91,0.35);
  --dark-text: rgba(255,255,255,0.92);
  --dark-sub: rgba(255,255,255,0.64);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 12px;
  --shadow: 0 1px 2px rgba(20,22,26,0.04);
  --shadow-hover: 0 12px 32px rgba(20,22,26,0.08);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-cn);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--warm-white);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

.section {
  padding: clamp(56px, 8vw, 112px) 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
  font-weight: 600;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(32px, 5vw, 56px);
  gap: 20px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--text-sub);
  max-width: 560px;
}

.view-all {
  font-size: 0.8125rem;
  color: var(--text-sub);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  white-space: nowrap;
}

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

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: var(--shadow);
  line-height: 1.4;
}

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(198,161,91,0.3);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(198,161,91,0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--text-main);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(198,161,91,0.06);
  transform: translateY(-1px);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

/* ========== NAVIGATION ========== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  z-index: 1000;
  background: transparent;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.site-nav.scrolled {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(20,22,26,0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
}

.nav-side {
  display: flex;
  align-items: center;
  height: 100%;
  flex: 1;
}

.nav-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 28px;
  border-right: 1px solid rgba(255,255,255,0.2);
  transition: border-color 0.3s;
}

.scrolled .nav-logo-wrap {
  border-right-color: var(--line);
}

.logo-symbol {
  width: 28px;
  height: 28px;
  background: var(--gold);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--white);
  transition: color 0.3s;
  white-space: nowrap;
}

.site-nav.scrolled .logo-text {
  color: var(--text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: 28px;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--gold-light);
}

.nav-links a:hover::after {
  width: 24px;
}

.site-nav.scrolled .nav-links a {
  color: var(--text-sub);
}

.site-nav.scrolled .nav-links a:hover {
  color: var(--gold);
}

.nav-action {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 100%;
  padding-left: 24px;
  border-left: 1px solid rgba(255,255,255,0.2);
  transition: border-color 0.3s;
}

.scrolled .nav-action {
  border-left-color: var(--line);
}

.nav-pages {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-pages a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s;
  white-space: nowrap;
}

.nav-pages a:hover {
  color: var(--gold-light);
}

.site-nav.scrolled .nav-pages a {
  color: var(--text-sub);
}

.site-nav.scrolled .nav-pages a:hover {
  color: var(--gold);
}

.nav-pages a.active {
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.site-nav.scrolled .nav-pages a.active {
  color: var(--gold);
}

.nav-search {
  background: none;
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  cursor: pointer;
  padding: 8px;
  transition: color 0.3s;
}

.nav-search:hover {
  color: var(--gold-light);
}

.site-nav.scrolled .nav-search {
  color: var(--text-sub);
}

.site-nav.scrolled .nav-search:hover {
  color: var(--gold);
}

.nav-cta {
  background: var(--gold);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--ink);
  transform: translateY(-1px);
}

.nav-burger {
  display: none;
  background: none;
  color: var(--text-main);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* Search overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(22,24,29,0.96);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-overlay-inner {
  width: 90%;
  max-width: 640px;
  text-align: center;
}

.search-overlay input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--gold);
  color: var(--white);
  font-size: 1.5rem;
  padding: 16px 0;
  font-weight: 300;
}

.search-overlay input:focus {
  border-color: var(--gold-light);
}

.search-overlay input::placeholder {
  color: rgba(255,255,255,0.4);
}

.search-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

.search-close:hover {
  color: var(--gold);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--warm-white);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  overflow-y: auto;
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-links {
  flex: 1;
}

.mobile-menu-links a {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.mobile-menu-links a:hover {
  color: var(--gold);
}

.mobile-menu-actions {
  padding-top: 24px;
}

.mobile-menu-actions a {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-sub);
  padding: 12px 0;
}

.mobile-menu-cta {
  display: block;
  margin-top: 24px;
  text-align: center;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  min-height: 640px;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--ink);
  overflow: hidden;
  padding-top: 56px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-left {
  animation: fadeUp 0.8s ease-out both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(198,161,91,0.12);
  border: 1px solid var(--line-gold);
  color: var(--gold-light);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--dark-text);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-cta .btn-primary {
  background: var(--gold);
  color: var(--ink);
}

.hero-cta .btn-secondary {
  border-color: rgba(255,255,255,0.5);
  color: rgba(255,255,255,0.8);
}

.hero-cta .btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-trust span {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-trust span::before {
  content: '✓';
  color: var(--gold);
  font-size: 0.75rem;
}

.hero-right {
  position: relative;
  animation: fadeUp 0.8s ease-out 0.1s both;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-gold);
  box-shadow: var(--shadow-hover);
  background: #E8E6E1;
  min-height: 420px;
}

.hero-image-wrap img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.hero-image-wrap::after {
  content: '';
  position: absolute;
  top: 12px;
  right: 12px;
  bottom: 12px;
  left: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.float-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-main);
  z-index: 2;
  animation: floatMove 6s ease-in-out infinite;
}

.float-card i {
  color: var(--gold);
  font-size: 1rem;
}

.float-card-1 {
  top: 24px;
  right: -20px;
}

.float-card-2 {
  bottom: 32px;
  left: -20px;
  animation-delay: 3s;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  z-index: 2;
  text-transform: uppercase;
}

.hero-scroll::before {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ========== FEATURES ========== */
.features {
  background: var(--warm-white);
}

.features-list {
  border-top: 1px solid var(--line);
}

.feature-row {
  display: grid;
  grid-template-columns: 100px 1fr 0.4fr;
  gap: 32px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease;
}

.feature-row:hover {
  background: rgba(198,161,91,0.02);
}

.feature-num {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--gold);
  font-weight: 400;
  line-height: 1;
}

.feature-body h3 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-body p {
  color: var(--text-sub);
  font-size: 0.9375rem;
  max-width: 640px;
}

.feature-media {
  border-radius: var(--radius);
  overflow: hidden;
  background: #E8E6E1;
  min-height: 120px;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 120px;
}

/* ========== DEMO ========== */
.demo {
  background: var(--white);
}

.demo-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(32px, 5vw, 56px);
}

.demo-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.demo-header p {
  color: var(--text-sub);
  font-size: 0.9375rem;
}

.demo-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  background: #E8E6E1;
  overflow: hidden;
  margin-bottom: 40px;
}

.demo-media::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid var(--line-gold);
  border-radius: calc(var(--radius-lg) - 6px);
  z-index: 1;
  pointer-events: none;
}

.demo-media img {
  width: 100%;
  min-height: 400px;
  object-fit: cover;
}

.demo-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--warm-white);
}

.demo-browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.demo-browser-bar span:nth-child(1) { background: #E8A0A0; }
.demo-browser-bar span:nth-child(2) { background: #E8D4A0; }
.demo-browser-bar span:nth-child(3) { background: #A0E8A0; }

.demo-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 40px;
}

.demo-step {
  text-align: center;
  padding: 0 16px;
}

.demo-step-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--line-gold);
  background: rgba(198,161,91,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 700;
}

.demo-step h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.demo-step p {
  font-size: 0.875rem;
  color: var(--text-sub);
}

/* ========== PROOF ========== */
.proof {
  background: var(--warm-white);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  overflow: hidden;
}

.proof-stat {
  text-align: center;
  padding: 36px 20px;
  border-right: 1px solid var(--line);
}

.proof-stat:last-child {
  border-right: none;
}

.proof-stat-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--text-main);
  font-weight: 400;
  line-height: 1.2;
}

.proof-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.proof-quote {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.proof-quote::before {
  content: '\201C';
  font-family: var(--font-serif);
  font-size: 6rem;
  color: var(--gold);
  position: absolute;
  top: 20px;
  left: 32px;
  opacity: 0.3;
}

.proof-quote p {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--dark-text);
  font-weight: 500;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 20px;
}

.proof-quote cite {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--dark-sub);
}

.proof-testimonials {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition-slow);
}

.testimonial-card:hover {
  border-color: var(--line-gold);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.testimonial-card p {
  font-size: 0.9375rem;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-author span {
  font-size: 0.875rem;
  font-weight: 600;
}

.testimonial-author small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ========== NEWS ========== */
.news {
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  border-top: 1px solid var(--line);
}

.news-row {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  cursor: pointer;
  transition: padding-left 0.3s ease;
}

.news-row:hover {
  padding-left: 8px;
}

.news-date {
  text-align: left;
}

.news-day {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--text-main);
  line-height: 1;
  display: block;
}

.news-month {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.news-cat {
  display: inline-block;
  font-size: 0.6875rem;
  color: var(--gold);
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 8px;
  font-weight: 500;
}

.news-row h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.5;
  transition: color 0.2s;
}

.news-row:hover h3 {
  color: var(--gold);
}

.news-row p {
  font-size: 0.875rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 8px;
}

.read-more {
  font-size: 0.8125rem;
  color: var(--gold);
  font-weight: 500;
}

.news-empty {
  grid-column: span 2;
  text-align: center;
  padding: 48px 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ========== PRICING ========== */
.pricing {
  background: var(--warm-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--line-gold);
}

.pricing-card.featured {
  border: 1px solid var(--gold);
  box-shadow: 0 8px 32px rgba(198,161,91,0.15);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-2px);
  box-shadow: 0 16px 40px rgba(198,161,91,0.22);
}

.pricing-name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 2.5rem;
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-main);
  margin-bottom: 24px;
  line-height: 1.2;
}

.pricing-price small {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-cn);
}

.pricing-features {
  flex: 1;
  margin-bottom: 24px;
}

.pricing-features li {
  font-size: 0.875rem;
  color: var(--text-sub);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--gold);
  font-size: 0.875rem;
  font-weight: 700;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
}

.pricing-card.featured .btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.pricing-card.featured .btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

.pricing-card:not(.featured) .btn-pricing-outline {
  background: transparent;
  border: 1px solid var(--text-main);
  color: var(--text-main);
  font-weight: 500;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  width: 100%;
  cursor: pointer;
  transition: all var(--transition);
}

.pricing-card:not(.featured) .btn-pricing-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ========== FAQ ========== */
.faq {
  background: var(--white);
}

.faq-wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
}

.faq-left h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.faq-left p {
  color: var(--text-sub);
  margin-bottom: 24px;
  max-width: 320px;
}

.faq-contact-link {
  font-size: 0.875rem;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  display: inline-block;
}

.faq-right .accordion {
  background: transparent;
  border: none;
}

.faq-right .accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
}

.faq-right .accordion-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-right .accordion-title {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 600;
  padding: 20px 40px 20px 0;
  position: relative;
  line-height: 1.5;
}

.faq-right .accordion-title::before,
.faq-right .accordion-title::after {
  content: '';
  position: absolute;
  right: 8px;
  top: 50%;
  background: var(--gold);
  transition: all 0.3s ease;
}

.faq-right .accordion-title::before {
  width: 14px;
  height: 2px;
  transform: translateY(-50%);
}

.faq-right .accordion-title::after {
  width: 2px;
  height: 14px;
  transform: translateY(-50%);
}

.faq-right .accordion-item.is-active .accordion-title::after {
  opacity: 0;
  transform: translateY(-50%) rotate(90deg);
}

.faq-right .accordion-title:hover {
  color: var(--gold);
}

.faq-right .accordion-content {
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 0.9375rem;
  line-height: 1.8;
  padding: 0 32px 24px 0;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--ink);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(56px, 8vw, 96px) 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--dark-text);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  color: var(--dark-sub);
  font-size: 1rem;
  margin-bottom: 32px;
}

.cta-inner .btn-primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  padding: 0.875rem 2.25rem;
  font-size: 1rem;
}

.cta-inner .btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--ink);
  border-top: 1px solid var(--gold);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .logo-text {
  color: var(--white);
  display: inline-block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--dark-sub);
  max-width: 280px;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.92);
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--dark-sub);
  padding: 6px 0;
  transition: color 0.2s;
}

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

.footer-newsletter p {
  font-size: 0.875rem;
  color: var(--dark-sub);
  margin-bottom: 16px;
}

.footer-newsletter form {
  display: flex;
  gap: 8px;
}

.footer-newsletter input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: border-color 0.3s;
}

.footer-newsletter input:focus {
  border-color: var(--gold);
}

.footer-newsletter input::placeholder {
  color: rgba(255,255,255,0.3);
}

.footer-newsletter button {
  background: var(--gold);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.3s;
  white-space: nowrap;
}

.footer-newsletter button:hover {
  background: var(--gold-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
}

.footer-bottom a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

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

/* ========== FLOATING CTA ========== */
.float-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(198,161,91,0.35);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  border: none;
}

.float-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-cta.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.float-cta i {
  font-size: 1.25rem;
  color: var(--ink);
  transition: transform 0.3s;
}

.float-cta .float-cta-text {
  position: absolute;
  right: 56px;
  white-space: nowrap;
  background: var(--ink);
  color: var(--white);
  font-size: 0.8125rem;
  padding: 6px 16px;
  border-radius: 6px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  pointer-events: none;
}

.float-cta:hover {
  width: auto;
  padding: 0 20px 0 14px;
  border-radius: 999px;
}

.float-cta:hover .float-cta-text {
  opacity: 1;
  visibility: visible;
  background: transparent;
  position: static;
  margin-left: 8px;
  color: var(--ink);
  font-weight: 600;
}

.float-cta:hover i {
  transform: scale(1.1);
}

/* Mobile float CTA */
.mobile-float-cta {
  display: none;
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  z-index: 900;
  width: 90%;
  max-width: 360px;
  height: 48px;
  background: var(--gold);
  color: var(--ink);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(198,161,91,0.3);
  border: none;
  transition: all 0.3s ease;
}

.mobile-float-cta:hover {
  background: var(--gold-light);
  transform: translateX(-50%) translateY(-1px);
}

body.has-mobile-cta {
  padding-bottom: 72px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatMove {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.reveal-fade {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-fade.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .nav-action {
    gap: 16px;
  }

  .nav-pages a {
    font-size: 0.75rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-right {
    max-width: 520px;
    margin: 0 auto;
  }

  .feature-row {
    grid-template-columns: 72px 1fr;
  }

  .feature-media {
    display: none;
  }

  .proof-stats {
    grid-template-columns: 1fr 1fr;
  }

  .proof-stat:nth-child(2) {
    border-right: none;
  }

  .proof-stat:nth-child(3),
  .proof-stat:nth-child(4) {
    border-top: 1px solid var(--line);
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-2px);
  }

  .faq-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

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

  .nav-links {
    display: none;
  }

  .nav-pages {
    display: none;
  }

  .nav-search {
    display: none;
  }

  .nav-action {
    border-left: none;
    padding-left: 0;
    gap: 12px;
  }

  .nav-cta {
    padding: 0.4rem 0.875rem;
    font-size: 0.75rem;
  }

  .nav-burger {
    display: block;
  }

  .hero-container {
    padding: 0 20px;
  }

  .hero {
    padding-top: 56px;
  }

  .hero h1 {
    font-size: clamp(1.875rem, 6vw, 2.5rem);
  }

  .hero-subtitle {
    font-size: 0.9375rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
  }

  .hero-trust {
    gap: 12px;
  }

  .hero-trust span {
    font-size: 0.75rem;
  }

  .float-card-1 {
    right: -4px;
  }

  .float-card-2 {
    left: -4px;
  }

  .hero-scroll {
    display: none;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .demo-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .proof-stats {
    grid-template-columns: 1fr;
  }

  .proof-stat {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .proof-stat:last-child {
    border-bottom: none;
  }

  .proof-testimonials {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .faq-wrap {
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .float-cta {
    display: none;
  }

  .mobile-float-cta {
    display: flex;
  }

  body {
    padding-bottom: 0;
  }

  body.has-mobile-cta .site-footer {
    margin-bottom: 64px;
  }
}

/* ========== ACCESSIBILITY ========== */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
            --ink: #16181D;
            --gold: #C6A15B;
            --gold-light: #D8B87E;
            --beige: #F6F5F2;
            --white: #FFFFFF;
            --text: #1A1B1C;
            --text-secondary: #5B5E63;
            --text-muted: #8A8D91;
            --border: rgba(23, 24, 29, 0.08);
            --border-card: rgba(23, 24, 29, 0.06);
            --radius: 10px;
            --radius-btn: 6px;
            --radius-img: 8px;
            --shadow: 0 1px 2px rgba(20, 22, 26, 0.04);
            --shadow-lg: 0 12px 32px rgba(20, 22, 26, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, sans-serif;
            --font-serif: Georgia, "Times New Roman", serif;
            --container-max: 1200px;
            --section-space: clamp(56px, 8vw, 112px);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--beige);
            color: var(--text);
            line-height: 1.8;
            font-size: 0.9375rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

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

        ul,
        ol {
            list-style-position: inside;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 1040px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: var(--ink);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--gold-light);
            color: var(--ink);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(198, 161, 91, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text);
            border: 1px solid var(--ink);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-outline:hover {
            background: rgba(22, 24, 29, 0.04);
            color: var(--text);
            border-color: var(--gold);
        }

        .btn-outline:active {
            background: rgba(22, 24, 29, 0.08);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: rgba(255, 255, 255, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.6);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--gold-light);
            border-color: var(--gold-light);
        }

        .tag {
            display: inline-block;
            border: 1px solid var(--gold);
            color: var(--gold);
            font-size: 0.75rem;
            border-radius: 999px;
            padding: 4px 12px;
            letter-spacing: 0.04em;
            background: transparent;
            margin-right: 6px;
            margin-bottom: 6px;
        }

        /* ========== 导航 ========== */
        .site-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 100%;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(20, 22, 26, 0.03);
            height: 56px;
            display: flex;
            align-items: center;
        }

        .nav-inner {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 28px;
            min-width: 0;
        }

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

        .logo-symbol {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            display: inline-block;
        }

        .logo-text {
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-links a {
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--text);
            letter-spacing: 0.04em;
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color 0.2s ease;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after {
            width: 24px;
        }

        .nav-action {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-pages {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-pages a {
            font-size: 0.7813rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            position: relative;
            padding: 4px 0;
            transition: color 0.2s ease;
        }

        .nav-pages a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }

        .nav-pages a:hover {
            color: var(--gold);
        }

        .nav-pages a:hover::after {
            width: 24px;
        }

        .nav-pages a.active {
            color: var(--gold);
        }

        .nav-pages a.active::after {
            width: 24px;
            background: var(--gold);
        }

        .nav-search {
            background: transparent;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease;
            font-size: 0.875rem;
        }

        .nav-search:hover {
            background: var(--beige);
            color: var(--gold);
        }

        .nav-cta {
            background: var(--gold);
            color: var(--ink);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.5rem 1.125rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
            display: inline-block;
            line-height: 1.6;
        }

        .nav-cta:hover {
            background: var(--gold-light);
            color: var(--ink);
            transform: translateY(-1px);
        }

        .nav-burger {
            display: none;
            background: transparent;
            width: 36px;
            height: 36px;
            border-radius: 6px;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .nav-burger:hover {
            background: var(--beige);
        }

        /* ========== 移动端全屏菜单 ========== */
        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 1200;
            background: var(--beige);
            display: flex;
            flex-direction: column;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateX(100%);
            transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }

        .mobile-menu-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .mobile-close {
            background: transparent;
            width: 40px;
            height: 40px;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: background 0.2s ease;
        }

        .mobile-close:hover {
            background: rgba(23, 24, 29, 0.06);
        }

        .mobile-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 32px;
        }

        .mobile-links a {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--text);
            padding: 12px 0;
            border-bottom: 1px solid rgba(23, 24, 29, 0.06);
            transition: color 0.2s ease;
        }

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

        .mobile-divider {
            height: 1px;
            background: rgba(23, 24, 29, 0.08);
            margin: 16px 0 12px;
        }

        .mobile-pages {
            display: flex;
            flex-direction: column;
            gap: 2px;
            margin-bottom: 32px;
        }

        .mobile-pages a {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid rgba(23, 24, 29, 0.06);
            transition: color 0.2s ease;
        }

        .mobile-pages a:hover {
            color: var(--gold);
        }

        .mobile-cta {
            display: block;
            background: var(--gold);
            color: var(--ink);
            font-size: 1rem;
            font-weight: 700;
            text-align: center;
            padding: 14px 24px;
            border-radius: var(--radius-btn);
            transition: background 0.2s ease;
            margin-top: auto;
        }

        .mobile-cta:hover {
            background: var(--gold-light);
            color: var(--ink);
        }

        /* ========== 搜索浮层 ========== */
        .search-modal {
            position: fixed;
            inset: 0;
            z-index: 1300;
            background: rgba(22, 24, 29, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s;
        }

        .search-modal.open {
            opacity: 1;
            visibility: visible;
        }

        .search-modal-inner {
            background: var(--white);
            border-radius: 12px;
            padding: 32px;
            max-width: 560px;
            width: 100%;
            position: relative;
            box-shadow: var(--shadow-lg);
        }

        .search-close {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--beige);
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            transition: background 0.2s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .search-close:hover {
            background: rgba(23, 24, 29, 0.08);
        }

        .search-modal form {
            display: flex;
            gap: 12px;
            align-items: flex-end;
            margin-top: 8px;
        }

        .search-modal input {
            flex: 1;
            border: none;
            border-bottom: 1px solid var(--border);
            padding: 12px 4px;
            font-size: 1rem;
            background: transparent;
            color: var(--text);
            transition: border-color 0.2s ease;
        }

        .search-modal input:focus {
            border-bottom-color: var(--gold);
        }

        .search-modal button {
            background: var(--gold);
            color: var(--ink);
            font-weight: 600;
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background 0.2s ease;
            white-space: nowrap;
        }

        .search-modal button:hover {
            background: var(--gold-light);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding: 32px 0 0;
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
        }

        .breadcrumb span.current {
            color: var(--text-secondary);
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
            vertical-align: middle;
        }

        /* ========== 文章头部 ========== */
        .article-wrap {
            background: var(--white);
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: clamp(28px, 5vw, 56px);
            margin-top: 24px;
            border: 1px solid var(--border-card);
        }

        .article-header {
            margin-bottom: 32px;
        }

        .article-header h1 {
            font-size: clamp(1.5rem, 3.5vw, 2.25rem);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.01em;
            color: var(--ink);
            margin-bottom: 16px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item i {
            font-size: 0.75rem;
            color: var(--gold);
        }

        .article-header-divider {
            height: 1px;
            background: rgba(23, 24, 29, 0.08);
            margin: 24px 0 0;
        }

        /* ========== 文章正文 ========== */
        .article-content {
            max-width: 760px;
            margin: 0 auto;
            padding-top: 8px;
            font-size: 0.9375rem;
            color: var(--text);
            line-height: 1.9;
        }

        .article-content p {
            margin-bottom: 1.5em;
        }

        .article-content h2 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--ink);
            margin: 2em 0 0.75em;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.8em 0 0.6em;
        }

        .article-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.6em 0 0.5em;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.2em;
        }

        .article-content li {
            margin-bottom: 0.5em;
            line-height: 1.8;
        }

        .article-content ul li {
            list-style-type: disc;
        }

        .article-content ul li::marker {
            color: var(--gold);
        }

        .article-content blockquote {
            border-left: 3px solid var(--gold);
            background: rgba(198, 161, 91, 0.04);
            padding: 16px 24px;
            margin: 1.8em 0;
            border-radius: 0 8px 8px 0;
            font-style: normal;
            color: var(--text-secondary);
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content img {
            border-radius: var(--radius-img);
            box-shadow: var(--shadow);
            margin: 1.8em 0;
        }

        .article-content figure {
            margin: 1.8em 0;
        }

        .article-content figure img {
            margin-bottom: 8px;
        }

        .article-content figure figcaption {
            text-align: center;
            font-size: 0.7813rem;
            color: var(--text-muted);
        }

        .article-content a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--gold-light);
        }

        .article-content code {
            background: var(--beige);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: "SF Mono", Monaco, Consolas, monospace;
            font-size: 0.875em;
            color: var(--ink);
        }

        .article-content pre {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.92);
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 1.8em 0;
            line-height: 1.6;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8em 0;
            font-size: 0.875rem;
        }

        .article-content table th {
            background: var(--beige);
            font-weight: 600;
            color: var(--ink);
            padding: 12px 14px;
            border: 1px solid var(--border);
            text-align: left;
        }

        .article-content table td {
            padding: 10px 14px;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        /* ========== 文章标签 ========== */
        .article-tags {
            padding: 24px 0 8px;
            border-top: 1px solid rgba(23, 24, 29, 0.06);
            margin-top: 32px;
        }

        .article-tags .tag {
            margin-top: 6px;
        }

        /* ========== 文章文末导航 ========== */
        .article-footer-links {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 4px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .article-back-link {
            font-size: 0.875rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s ease;
        }

        .article-back-link:hover {
            color: var(--gold);
        }

        .article-pager {
            display: flex;
            gap: 16px;
        }

        .article-pager a {
            font-size: 0.875rem;
            color: var(--text-secondary);
            transition: color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-pager a:hover {
            color: var(--gold);
        }

        /* ========== 未找到 ========== */
        .not-found {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found p {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 24px;
        }

        .not-found .btn-outline {
            display: inline-flex;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: var(--section-space) 0 clamp(24px, 4vw, 48px);
        }

        .related-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-header .section-label {
            font-size: 0.75rem;
            color: var(--gold);
            letter-spacing: 0.08em;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .related-header h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
        }

        .related-header .section-note {
            font-size: 0.875rem;
            color: var(--text-muted);
            max-width: 400px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border-card);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(198, 161, 91, 0.4);
        }

        .related-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E8E6E1;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.03);
        }

        .related-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

        .related-card:hover .related-card-body h3 {
            color: var(--gold);
        }

        .related-card-body p {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .related-card-link {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .related-card-link:hover {
            gap: 8px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--ink);
            padding: clamp(48px, 6vw, 72px) 0;
            position: relative;
        }

        .cta-inner {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-inner h2 {
            color: rgba(255, 255, 255, 0.96);
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.9375rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--ink);
            padding: 64px 0 32px;
            border-top: 1px solid var(--gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

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

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            color: rgba(255, 255, 255, 0.92);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            padding: 5px 0;
            transition: color 0.2s ease;
        }

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

        .footer-newsletter p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.8125rem;
            margin-bottom: 12px;
        }

        .footer-newsletter form {
            display: flex;
            gap: 8px;
        }

        .footer-newsletter input {
            flex: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 6px;
            padding: 10px 14px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.92);
            transition: border-color 0.2s ease, background 0.2s ease;
            min-width: 0;
        }

        .footer-newsletter input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-newsletter input:focus {
            border-color: var(--gold);
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-newsletter button {
            background: var(--gold);
            color: var(--ink);
            font-weight: 600;
            font-size: 0.8125rem;
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s ease;
            white-space: nowrap;
        }

        .footer-newsletter button:hover {
            background: var(--gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.48);
            font-size: 0.75rem;
            letter-spacing: 0.05em;
            margin-bottom: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.48);
            font-size: 0.75rem;
            transition: color 0.2s ease;
        }

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

        /* ========== 浮动 CTA ========== */
        .float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            box-shadow: 0 6px 20px rgba(198, 161, 91, 0.35);
            transition: width 0.3s ease, border-radius 0.3s ease, background 0.2s ease, transform 0.2s ease;
            overflow: hidden;
            white-space: nowrap;
            text-decoration: none;
            opacity: 0;
            transform: translateY(16px);
            pointer-events: none;
        }

        .float-cta.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .float-cta:hover {
            width: 168px;
            border-radius: 28px;
            background: var(--gold-light);
            color: var(--ink);
            padding: 0 20px;
            gap: 8px;
        }

        .float-cta .float-cta-text {
            font-size: 0.8125rem;
            font-weight: 600;
            opacity: 0;
            transition: opacity 0.2s ease;
            max-width: 0;
            overflow: hidden;
        }

        .float-cta:hover .float-cta-text {
            opacity: 1;
            max-width: 140px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }

            .nav-pages {
                display: none;
            }

            .nav-burger {
                display: flex;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

            .site-nav {
                height: 54px;
            }

            .nav-inner {
                padding: 0 16px;
            }

            .nav-cta {
                font-size: 0.75rem;
                padding: 0.45rem 0.875rem;
            }

            .article-wrap {
                padding: 24px 18px;
                border-radius: 8px;
            }

            .article-meta {
                gap: 8px 12px;
            }

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

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

            .cta-buttons .btn-primary,
            .cta-buttons .btn-ghost {
                width: 100%;
            }

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

            .footer-newsletter form {
                flex-direction: column;
            }

            .footer-newsletter button {
                width: 100%;
            }

            .float-cta {
                right: 50%;
                transform: translateX(50%) translateY(16px);
                width: 90%;
                max-width: 360px;
                height: 48px;
                border-radius: 24px;
                padding: 0 20px;
                bottom: 16px;
                box-shadow: 0 4px 16px rgba(198, 161, 91, 0.4);
            }

            .float-cta .float-cta-icon {
                font-size: 1rem;
            }

            .float-cta .float-cta-text {
                font-size: 0.875rem;
                font-weight: 600;
                opacity: 1;
                max-width: 200px;
                display: inline;
                margin-left: 8px;
            }

            .float-cta:not(.visible) {
                transform: translateX(50%) translateY(16px);
                opacity: 0;
            }

            .float-cta:hover {
                width: 90%;
                max-width: 360px;
                border-radius: 24px;
                padding: 0 20px;
            }

            body {
                padding-bottom: 0;
            }

            .breadcrumb span.current {
                max-width: 160px;
            }

            .article-footer-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .article-pager {
                gap: 12px;
            }
        }

        /* ========== 无障碍 ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

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

/* roulang page: category1 */
:root{
  --ink:#16181D; --gold:#C6A15B; --gold-light:#D8B87E; --bg-warm:#F6F5F2; --white:#FFFFFF;
  --text-main:#1A1B1C; --text-sub:#5B5E63; --text-weak:#8A8D91;
  --border-color:rgba(23,24,29,0.08); --border-line:rgba(23,24,29,0.12);
  --dark-text:rgba(255,255,255,0.92); --dark-text-sub:rgba(255,255,255,0.64);
  --radius-card:10px; --radius-btn:6px; --radius-img:8px;
  --shadow-default:0 1px 2px rgba(20,22,26,0.04); --shadow-hover:0 12px 32px rgba(20,22,26,0.08);
  --transition:0.3s ease;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;background:var(--bg-warm);color:var(--text-main);line-height:1.8;font-size:0.9375rem}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
.grid-container{max-width:1200px}
.serif-num{font-family:Georgia,"Times New Roman",serif}
::selection{background:rgba(198,161,91,0.25)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ===== 导航 ===== */
.site-nav{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--border-color);box-shadow:0 1px 2px rgba(20,22,26,0.03);height:56px}
.site-nav.scrolled{box-shadow:0 4px 20px rgba(20,22,26,0.06);border-bottom-color:var(--border-line)}
.nav-inner{max-width:1200px;height:56px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-logo-wrap{display:flex;align-items:center;gap:8px}
.logo-symbol{width:10px;height:10px;background:var(--gold);display:inline-block;transform:rotate(45deg);border-radius:2px;box-shadow:0 0 8px rgba(198,161,91,0.5)}
.logo-text{font-size:1.15rem;font-weight:800;letter-spacing:0.02em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;gap:20px}
.nav-links a{font-size:0.8125rem;font-weight:500;color:var(--text-sub);position:relative;padding:4px 0;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .3s ease}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:24px}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{width:24px}
.nav-action{display:flex;align-items:center;gap:14px}
.nav-pages{display:flex;gap:14px;border-left:1px solid var(--border-line);padding-left:16px}
.nav-pages a{font-size:0.75rem;color:var(--text-sub);position:relative;padding:4px 2px;font-weight:500;transition:color .2s ease;white-space:nowrap}
.nav-pages a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--gold);transition:width .3s ease}
.nav-pages a:hover{color:var(--gold)}
.nav-pages a.active{color:var(--gold)}
.nav-pages a.active::after{width:100%}
.nav-search{width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--text-sub);border-radius:6px;transition:all .2s ease}
.nav-search:hover{color:var(--ink);background:rgba(0,0,0,0.04)}
.nav-cta{background:var(--gold);color:var(--ink);font-size:0.8125rem;font-weight:600;padding:0.5rem 1.1rem;border-radius:var(--radius-btn);transition:all .25s ease;white-space:nowrap;letter-spacing:0.02em}
.nav-cta:hover{background:var(--gold-light);transform:translateY(-1px);box-shadow:0 4px 12px rgba(198,161,91,0.3)}
.nav-cta:active{transform:translateY(0);box-shadow:none}
.nav-burger{display:none;width:36px;height:36px;align-items:center;justify-content:center;color:var(--ink);font-size:1.1rem;border-radius:6px}

/* ===== 页顶横幅 ===== */
.page-banner{position:relative;height:280px;display:flex;align-items:flex-end;background:linear-gradient(90deg,rgba(22,24,29,0.2) 0%,rgba(22,24,29,0.6) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;background-color:#E8E6E1;color:var(--white);overflow:hidden}
.page-banner::before{content:"";position:absolute;left:0;top:0;right:0;bottom:0;background:linear-gradient(90deg,rgba(22,24,29,0.65) 0%,rgba(22,24,29,0.35) 60%,rgba(22,24,29,0.15) 100%)}
.page-banner .container{position:relative;z-index:2;padding-bottom:40px}
.banner-crumbs{font-size:0.75rem;color:rgba(255,255,255,0.7);letter-spacing:0.05em;margin-bottom:12px}
.banner-crumbs a{color:rgba(255,255,255,0.85);transition:color .2s ease}
.banner-crumbs a:hover{color:var(--gold-light)}
.banner-crumbs .sep{margin:0 8px;opacity:0.5}
.page-banner h1{font-size:clamp(1.6rem,3.5vw,2.5rem);line-height:1.2;font-weight:800;margin-bottom:10px;letter-spacing:0.01em}
.banner-sub{font-size:0.9375rem;color:rgba(255,255,255,0.8);max-width:600px;line-height:1.7}

/* ===== 图文混排 ===== */
.media-row{padding:clamp(56px,8vw,112px) 0}
.media-row__inner{display:flex;align-items:center;gap:48px}
.media-row--reverse .media-row__inner{flex-direction:row-reverse}
.media-row--reverse .media-row__text{padding-left:0;padding-right:16px}
.media-row__text{flex:1}
.media-row__img{flex:1;position:relative}
.media-row__img img{border-radius:var(--radius-img);box-shadow:var(--shadow-hover);width:100%;object-fit:cover;background:#E8E6E1}
.media-row__img::after{content:"";position:absolute;top:16px;right:-16px;bottom:-16px;left:16px;border:1px solid rgba(198,161,91,0.4);border-radius:var(--radius-img);z-index:-1;pointer-events:none}
.section-tag{display:inline-flex;align-items:center;gap:6px;font-size:0.75rem;font-weight:600;letter-spacing:0.15em;color:var(--gold);text-transform:uppercase;margin-bottom:16px}
.section-tag .serif-num{font-size:0.9rem}
.media-row h2{font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;color:var(--text-main);margin-bottom:18px}
.media-row p{color:var(--text-sub);line-height:1.9;font-size:0.9375rem;margin-bottom:16px}
.media-row p:last-child{margin-bottom:0}
.has-mark::before{content:"◆";color:var(--gold);font-size:0.75rem;margin-right:8px}

/* ===== 流程区 ===== */
.process-block{background:var(--white);padding:clamp(56px,8vw,112px) 0;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}
.process-head{text-align:center;max-width:560px;margin:0 auto 48px}
.process-head h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;margin-bottom:14px}
.process-head p{color:var(--text-sub);font-size:0.9375rem}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.process-step{position:relative;background:var(--bg-warm);border:1px solid var(--border-color);border-radius:var(--radius-card);padding:32px 28px;text-align:center;transition:all .3s ease}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(198,161,91,0.35)}
.step-num{font-family:Georgia,serif;font-size:2.6rem;color:var(--gold);line-height:1;margin-bottom:14px;display:inline-block}
.process-step h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;color:var(--text-main)}
.process-step p{font-size:0.8125rem;color:var(--text-sub);line-height:1.7}
.process-step::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--gold);border-radius:0 0 4px 4px;opacity:0;transition:opacity .3s ease}
.process-step:hover::before{opacity:1}

/* ===== FAQ ===== */
.faq-block{padding:clamp(56px,8vw,112px) 0}
.faq-grid{display:grid;grid-template-columns:0.9fr 1.6fr;gap:60px}
.faq-left h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;margin-bottom:16px}
.faq-left p{color:var(--text-sub);font-size:0.9375rem;margin-bottom:20px}
.faq-left .faq-contact{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:0.875rem;font-weight:600;transition:gap .2s ease}
.faq-left .faq-contact:hover{gap:12px}
.accordion{background:transparent;border:none;margin:0}
.accordion-item{background:transparent;border:none;border-bottom:1px solid var(--border-color);border-radius:0}
.accordion-item:first-child{border-top:1px solid var(--border-color)}
.accordion-title{background:transparent;border:none;padding:22px 40px 22px 0;font-size:0.9375rem;font-weight:600;color:var(--text-main);line-height:1.6;position:relative;min-height:44px;display:flex;align-items:center;transition:color .2s ease}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--gold)}
.accordion-title::before{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:300;color:var(--gold);transition:transform .3s ease;display:flex;align-items:center;justify-content:center;width:28px;height:28px;line-height:1}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.accordion-content{background:transparent;border:none;padding:0 0 20px;font-size:0.875rem;color:var(--text-sub);line-height:1.85}
.accordion-content p:last-child{margin-bottom:0}

/* ===== CTA ===== */
.cta-block{padding:clamp(56px,8vw,80px) 0;background:var(--ink);color:var(--dark-text);position:relative;overflow:hidden}
.cta-block::before{content:"";position:absolute;top:-120px;right:-120px;width:360px;height:360px;border:1px solid rgba(198,161,91,0.18);border-radius:50%}
.cta-block::after{content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;border:1px solid rgba(198,161,91,0.12);border-radius:50%}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:620px;margin:0 auto}
.cta-inner h2{font-size:clamp(1.4rem,2.8vw,2.1rem);font-weight:700;margin-bottom:14px}
.cta-inner p{color:var(--dark-text-sub);font-size:0.9375rem;margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:var(--gold);color:var(--ink);font-size:0.9375rem;font-weight:600;padding:0.8rem 1.9rem;border-radius:var(--radius-btn);display:inline-flex;align-items:center;gap:8px;transition:all .25s ease;letter-spacing:0.02em}
.btn-primary:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 8px 20px rgba(198,161,91,0.35)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,0.5);color:rgba(255,255,255,0.9);font-size:0.9375rem;font-weight:500;padding:0.8rem 1.9rem;border-radius:var(--radius-btn);display:inline-flex;align-items:center;gap:8px;transition:all .25s ease}
.btn-outline:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.8);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--dark-text);position:relative}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--gold) 0%,rgba(198,161,91,0.3) 100%)}
.footer-grid{display:grid;grid-template-columns:1.4fr 0.8fr 0.8fr 1fr;gap:40px;padding:60px 0 44px}
.footer-brand p{font-size:0.8125rem;color:var(--dark-text-sub);line-height:1.8;max-width:280px}
.footer-brand .logo-text{color:rgba(255,255,255,0.92)}
.footer-col h4{font-size:0.8125rem;color:rgba(255,255,255,0.95);font-weight:600;margin-bottom:18px;letter-spacing:0.06em}
.footer-col a{display:block;font-size:0.8125rem;color:var(--dark-text-sub);margin-bottom:10px;transition:color .2s ease;line-height:1.6}
.footer-col a:hover{color:var(--gold)}
.footer-newsletter p{font-size:0.75rem;color:var(--dark-text-sub);margin-bottom:14px}
.footer-newsletter form{display:flex;gap:8px;flex-wrap:wrap}
.footer-newsletter input{flex:1;min-width:120px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:8px;padding:10px 14px;font-size:0.8125rem;color:var(--dark-text);transition:border-color .2s ease}
.footer-newsletter input::placeholder{color:rgba(255,255,255,0.35)}
.footer-newsletter input:focus{border-color:var(--gold);outline:none}
.footer-newsletter button{background:var(--gold);color:var(--ink);font-size:0.8125rem;font-weight:600;padding:10px 18px;border-radius:8px;transition:all .2s ease}
.footer-newsletter button:hover{background:var(--gold-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:18px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom p{font-size:0.75rem;color:rgba(255,255,255,0.4);letter-spacing:0.05em}
.footer-bottom a{font-size:0.75rem;color:rgba(255,255,255,0.4);transition:color .2s ease}
.footer-bottom a:hover{color:var(--gold)}

/* ===== 浮动CTA ===== */
.float-cta{position:fixed;right:24px;bottom:80px;z-index:90;width:56px;height:56px;border-radius:999px;background:var(--gold);color:var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 24px rgba(198,161,91,0.35);opacity:0;transform:translateY(16px) scale(0.9);pointer-events:none;transition:opacity .3s ease,transform .3s ease,width .3s ease,border-radius .3s ease;overflow:hidden;white-space:nowrap}
.float-cta.visible{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.float-cta i{font-size:1.1rem}
.float-cta span{max-width:0;opacity:0;font-size:0.8125rem;font-weight:600;margin-left:0;transition:max-width .3s ease,opacity .3s ease,margin-left .3s ease}
.float-cta:hover{width:auto;border-radius:999px;padding:0 20px}
.float-cta:hover span{max-width:120px;opacity:1;margin-left:8px}
.float-cta.cta-hidden{opacity:0;transform:translateY(16px);pointer-events:none}
.mobile-cta{display:none}

/* ===== 搜索浮层 ===== */
.search-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(22,24,29,0.55);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding-top:100px;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.search-overlay.active{opacity:1;visibility:visible}
.search-panel{background:var(--white);border-radius:12px;padding:28px;width:100%;max-width:480px;box-shadow:0 24px 64px rgba(0,0,0,0.2);margin:0 20px}
.search-panel form{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--border-line);padding-bottom:12px}
.search-panel input{flex:1;font-size:1rem;color:var(--text-main);padding:8px 0;background:transparent}
.search-panel button{color:var(--gold);font-size:1.1rem;transition:transform .2s ease}
.search-panel button:hover{transform:scale(1.1)}
.search-close{position:absolute;top:18px;right:18px;color:rgba(255,255,255,0.7);font-size:1.5rem;transition:color .2s ease}
.search-close:hover{color:var(--gold-light)}

/* ===== 移动端全屏菜单 ===== */
.mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--bg-warm);z-index:150;padding:80px 28px 40px;opacity:0;visibility:hidden;transform:translateY(-20px);transition:all .35s ease}
.mobile-menu.active{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-menu__close{position:absolute;top:16px;right:20px;font-size:1.4rem;color:var(--text-main);width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.mobile-menu__grid{display:grid;grid-template-columns:1fr 1fr;height:100%;gap:20px}
.mobile-menu__side{padding:20px 0}
.mobile-menu__side h5{font-size:0.75rem;color:var(--text-weak);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:8px}
.mobile-menu__side a{display:flex;align-items:center;justify-content:space-between;font-size:1.15rem;font-weight:600;color:var(--text-main);padding:12px 0;border-bottom:1px solid var(--border-color);transition:color .2s ease}
.mobile-menu__side a:hover{color:var(--gold)}
.mobile-menu__sub{display:flex;flex-direction:column}
.mobile-menu__sub a{font-size:0.9375rem;font-weight:500;color:var(--text-sub);padding:11px 0;border-bottom:1px solid var(--border-color)}
.mobile-menu__sub a:hover{color:var(--gold)}

/* ===== 通用 ===== */
.reveal-fade{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal-fade.in-view{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .nav-links{display:none}
  .nav-pages{display:none}
  .nav-burger{display:flex}
  .nav-search{display:none}
  .nav-cta{display:inline-flex}
  .navbar-mobile-cta{display:inline-flex}
}
@media screen and (max-width:840px){
  .media-row__inner,.media-row--reverse .media-row__inner{flex-direction:column;gap:36px}
  .media-row__img{padding:0 12px}
  .media-row__img::after{display:none}
  .process-grid{grid-template-columns:1fr;gap:16px}
  .faq-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:640px){
  .nav-inner{padding:0 16px}
  .nav-logo-wrap .logo-text{font-size:1.05rem}
  .nav-cta{font-size:0.75rem;padding:0.45rem 0.8rem}
  .nav-burger{width:38px;height:38px}
  .page-banner{height:auto;min-height:240px}
  .page-banner .container{padding-bottom:28px;padding-top:60px}
  .banner-crumbs{font-size:0.7rem;margin-bottom:10px}
  .page-banner h1{font-size:1.45rem}
  .banner-sub{font-size:0.8125rem}
  .media-row{padding:48px 0}
  .media-row h2{font-size:1.25rem}
  .media-row p{font-size:0.875rem}
  .process-head h2{font-size:1.4rem}
  .process-step{padding:26px 20px}
  .process-step h3{font-size:0.9375rem}
  .process-step p{font-size:0.75rem}
  .faq-block{padding:48px 0}
  .faq-left h2{font-size:1.4rem}
  .accordion-title{font-size:0.875rem;padding:18px 34px 18px 0}
  .accordion-content{font-size:0.8125rem}
  .cta-inner h2{font-size:1.4rem}
  .cta-inner p{font-size:0.8125rem}
  .cta-btns{flex-direction:column;align-items:center}
  .btn-primary,.btn-outline{padding:0.75rem 1.6rem}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:16px 0}
  .footer-bottom p,.footer-bottom a{font-size:0.6875rem}
  .float-cta{display:none}
  .mobile-cta{display:flex;position:fixed;bottom:14px;left:5%;right:5%;z-index:120;background:var(--gold);color:var(--ink);font-size:0.875rem;font-weight:700;padding:0 20px;height:48px;align-items:center;justify-content:center;border-radius:999px;box-shadow:0 8px 24px rgba(198,161,91,0.4);transition:all .25s ease;letter-spacing:0.03em}
  .mobile-cta:hover{background:var(--gold-light);transform:translateY(-1px)}
  .mobile-cta i{margin-right:8px}
  body{padding-bottom:70px}
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal-fade{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#16181D;
  --gold:#C6A15B;
  --gold-light:#D8B87E;
  --warm-gray:#F6F5F2;
  --white:#FFFFFF;
  --text-main:#1A1B1C;
  --text-secondary:#5B5E63;
  --text-muted:#8A8D91;
  --border:rgba(23,24,29,0.08);
  --dark-text:rgba(255,255,255,0.92);
  --dark-sub:rgba(255,255,255,0.64);
  --radius-card:10px;
  --radius-btn:6px;
  --radius-img:8px;
  --shadow-default:0 1px 2px rgba(20,22,26,0.04);
  --shadow-hover:0 12px 32px rgba(20,22,26,0.08);
  --space-section:clamp(56px,8vw,112px);
  --font-serif:Georgia,"Times New Roman",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--warm-gray);color:var(--text-main);line-height:1.8;font-size:.9375rem;-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
img{max-width:100%;height:auto;display:block}
a{color:var(--text-main);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold)}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus{outline:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}
/* ===== 导航 ===== */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:var(--white);border-bottom:1px solid var(--border);
  height:56px;
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-side{display:flex;align-items:center;gap:32px}
.nav-logo-wrap{display:flex;align-items:center;gap:8px;border-right:1px solid var(--border);padding-right:20px}
.logo-symbol{
  width:22px;height:22px;display:inline-block;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 60%,var(--gold) 100%);
  clip-path:polygon(50% 0,100% 100%,0 100%);
}
.logo-symbol::after{
  content:'';position:absolute;top:35%;left:30%;right:30%;height:1px;background:rgba(0,0,0,.25);
}
.logo-text{font-size:1.125rem;font-weight:800;letter-spacing:.06em;color:var(--text-main)}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{font-size:.8125rem;font-weight:500;color:var(--text-secondary);position:relative;padding:4px 0}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:width .25s ease;
}
.nav-links a:hover::after{width:24px}
.nav-links a:hover{color:var(--text-main)}
.nav-action{display:flex;align-items:center;gap:16px}
.nav-pages{display:flex;align-items:center;gap:14px}
.nav-pages a{font-size:.75rem;font-weight:500;color:var(--text-secondary);position:relative;padding:4px 0}
.nav-pages a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--gold);transition:width .25s ease}
.nav-pages a:hover::after{width:20px}
.nav-pages a.active{color:var(--gold)}
.nav-pages a.active::after{width:20px}
.nav-search{background:none;border:none;color:var(--text-secondary);font-size:1rem;cursor:pointer;padding:8px;border-radius:var(--radius-btn);transition:color .2s}
.nav-search:hover{color:var(--gold)}
.nav-cta{
  background:var(--gold);color:var(--ink);font-size:.8125rem;font-weight:600;
  padding:.5rem 1.25rem;border-radius:var(--radius-btn);border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.nav-cta:hover{background:var(--gold-light);color:var(--ink);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0)}
.nav-burger{display:none;background:none;border:none;font-size:1.25rem;color:var(--text-main);cursor:pointer;padding:8px}
/* 搜索展开 */
.nav-search-panel{
  position:absolute;top:56px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);
  padding:0;display:none;z-index:999;
}
.nav-search-panel.open{display:block}
.nav-search-panel form{
  max-width:1200px;margin:0 auto;padding:20px 24px;display:flex;gap:12px;
}
.nav-search-panel input{
  flex:1;border:none;border-bottom:1px solid rgba(23,24,29,.15);background:transparent;
  font-size:.9375rem;padding:8px 4px;color:var(--text-main);transition:border-color .2s;
}
.nav-search-panel input:focus{border-bottom-color:var(--gold)}
.nav-search-panel button{
  background:var(--ink);color:var(--white);border:none;padding:8px 18px;border-radius:var(--radius-btn);cursor:pointer;transition:background .2s;
}
.nav-search-panel button:hover{background:var(--gold);color:var(--ink)}
/* 移动端菜单 */
.nav-mobile-menu{
  display:none;position:fixed;top:56px;left:0;right:0;bottom:0;background:var(--warm-gray);z-index:998;
  padding:48px 32px;overflow-y:auto;
}
.nav-mobile-menu.open{display:block}
.mobile-links{display:flex;flex-direction:column;gap:8px;margin-bottom:40px;border-bottom:1px solid var(--border);padding-bottom:32px}
.mobile-links a{font-size:1.375rem;font-weight:600;color:var(--text-main);padding:12px 0;border-bottom:1px solid var(--border)}
.mobile-links a:last-child{border-bottom:none}
.mobile-pages{display:flex;flex-direction:column;gap:8px}
.mobile-pages a{font-size:1.0625rem;font-weight:500;color:var(--text-secondary);padding:12px 0;border-bottom:1px solid var(--border)}
.mobile-pages a.active{color:var(--gold);font-weight:600}
/* ===== 页面横幅 ===== */
.page-banner{
  position:relative;height:280px;display:flex;align-items:flex-end;justify-content:flex-start;
  background:linear-gradient(105deg,rgba(22,24,29,.62) 0%,rgba(22,24,29,.28) 40%,rgba(22,24,29,.15) 70%),url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  margin-top:56px;overflow:hidden;
}
.page-banner .banner-inner{
  max-width:1200px;margin:0 auto;padding:0 24px 40px;width:100%;
}
.breadcrumb{font-size:.75rem;color:var(--dark-sub);margin-bottom:12px;letter-spacing:.04em}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s}
.breadcrumb a:hover{color:var(--gold-light)}
.breadcrumb .sep{margin:0 8px;color:rgba(255,255,255,.45)}
.breadcrumb .current{color:rgba(255,255,255,.9)}
.page-banner h1{
  font-size:clamp(1.75rem,3.5vw,2.75rem);font-weight:800;color:var(--dark-text);
  line-height:1.3;letter-spacing:.02em;font-family:var(--font-sans);
}
.page-banner h1 .gold{color:var(--gold-light)}
/* ===== 安全概览 ===== */
.security-overview{padding:var(--space-section) 0}
.security-overview .grid-x{display:flex;flex-wrap:wrap;gap:0}
.security-overview .left-col{padding-right:48px}
.sec-tag{
  display:inline-block;font-size:.75rem;font-weight:600;color:var(--gold);
  border:1px solid var(--gold);border-radius:999px;padding:4px 12px;letter-spacing:.08em;
  margin-bottom:16px;
}
.sec-h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;line-height:1.3;margin-bottom:20px;color:var(--text-main)}
.sec-h2 .gold{color:var(--gold)}
.sec-h3{font-size:clamp(1.125rem,2vw,1.5rem);font-weight:600;line-height:1.4;margin-bottom:12px;color:var(--text-main)}
.sec-p{color:var(--text-secondary);line-height:1.8;margin-bottom:16px}
.sec-list li{position:relative;padding-left:20px;color:var(--text-secondary);margin-bottom:10px;line-height:1.7}
.sec-list li::before{content:'';position:absolute;left:0;top:.65em;width:6px;height:6px;background:var(--gold);border-radius:50%}
.overview-img{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(198,161,91,.3);
  box-shadow:var(--shadow-hover);
}
.overview-img img{width:100%;height:100%;object-fit:cover;min-height:320px}
/* ===== 特性清单 ===== */
.security-features{padding:var(--space-section) 0;background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;margin-top:48px}
.feature-item{
  border:1px solid var(--border);border-radius:var(--radius-card);padding:28px;background:var(--warm-gray);
  transition:border-color .3s ease,box-shadow .3s ease,transform .3s ease;
}
.feature-item:hover{border-color:rgba(198,161,91,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.feature-num{font-family:var(--font-serif);font-size:2rem;color:var(--gold);line-height:1;margin-bottom:14px;display:block}
.feature-item h3{font-size:1.125rem;font-weight:600;color:var(--text-main);margin-bottom:8px}
.feature-item p{font-size:.875rem;color:var(--text-secondary);line-height:1.7}
/* ===== 图集模块 ===== */
.security-gallery{padding:var(--space-section) 0}
.gallery-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:40px}
.gallery-card{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border);background:var(--white);
  box-shadow:var(--shadow-default);transition:box-shadow .3s ease,transform .3s ease;
}
.gallery-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.gallery-img{height:220px;overflow:hidden;background:#E8E6E1}
.gallery-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gallery-card:hover .gallery-img img{transform:scale(1.03)}
.gallery-body{padding:20px 24px}
.gallery-body h3{font-size:1rem;font-weight:600;color:var(--text-main);margin-bottom:6px}
.gallery-body p{font-size:.8125rem;color:var(--text-secondary);line-height:1.6}
/* ===== 流程模块 ===== */
.security-process{padding:var(--space-section) 0;background:var(--ink);color:var(--dark-text);border-radius:0}
.security-process .sec-tag{border-color:var(--gold);color:var(--gold-light)}
.security-process .sec-h2{color:var(--dark-text)}
.security-process .sec-p{color:var(--dark-sub)}
.process-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px;position:relative}
.process-steps::before{
  content:'';position:absolute;top:28px;left:10%;right:10%;height:1px;background:rgba(198,161,91,.3);
}
.process-step{position:relative;text-align:center;padding:0 12px}
.process-step .step-icon{
  width:56px;height:56px;border-radius:50%;background:rgba(198,161,91,.12);
  border:1px solid var(--gold);display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;font-size:1.25rem;color:var(--gold-light);position:relative;z-index:2;
}
.process-step .step-num{font-family:var(--font-serif);font-size:.875rem;color:var(--gold);letter-spacing:.1em;display:block;margin-bottom:4px}
.process-step h3{font-size:1rem;font-weight:600;color:var(--dark-text);margin-bottom:6px}
.process-step p{font-size:.8125rem;color:var(--dark-sub);line-height:1.6}
/* ===== 数据保护深色 ==== */
.data-protect{padding:var(--space-section) 0;background:var(--warm-gray)}
.protect-wrap{
  background:var(--ink);border-radius:16px;padding:clamp(32px,5vw,56px);
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden;
}
.protect-wrap::before{
  content:'';position:absolute;top:0;right:0;width:280px;height:280px;
  background:radial-gradient(circle at center,rgba(198,161,91,.08),transparent 70%);
}
.protect-left .sec-tag{border-color:var(--gold);color:var(--gold-light)}
.protect-left .sec-h2{color:var(--dark-text);font-size:clamp(1.25rem,2.5vw,1.875rem)}
.protect-left .sec-p{color:var(--dark-sub)}
.protect-points{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.protect-point{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:10px;padding:20px;transition:border-color .3s ease,background .3s ease;
}
.protect-point:hover{border-color:rgba(198,161,91,.4);background:rgba(198,161,91,.06)}
.protect-point i{color:var(--gold-light);font-size:1.125rem;margin-bottom:10px;display:block}
.protect-point h4{font-size:.9375rem;font-weight:600;color:var(--dark-text);margin-bottom:4px}
.protect-point p{font-size:.8125rem;color:var(--dark-sub);line-height:1.6}
/* ===== FAQ ===== */
.category-faq{padding:var(--space-section) 0;background:var(--white)}
.faq-wrap{max-width:760px;margin:0 auto}
.faq-wrap h2{text-align:center;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;margin-bottom:40px;color:var(--text-main)}
.accordion{border-top:1px solid var(--border)}
.accordion-item{border-bottom:1px solid var(--border)}
.accordion-title{
  display:flex;justify-content:space-between;align-items:center;width:100%;
  padding:20px 0;font-size:1rem;font-weight:600;color:var(--text-main);cursor:pointer;
}
.accordion-title::after{
  content:'+';font-size:1.375rem;color:var(--gold);font-weight:400;transition:transform .25s ease;width:24px;text-align:center;
}
.accordion-item.is-active .accordion-title::after{transform:rotate(45deg)}
.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0}
.accordion-content p{padding:0 0 20px;color:var(--text-secondary);line-height:1.8;font-size:.875rem}
/* ===== CTA ===== */
.cta-section{padding:clamp(56px,7vw,88px) 0;background:var(--ink);text-align:center;position:relative;overflow:hidden}
.cta-section::before{
  content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:480px;height:300px;background:radial-gradient(ellipse at center,rgba(198,161,91,.1),transparent 70%);
}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:clamp(1.5rem,3vw,2.25rem);color:var(--dark-text);font-weight:700;margin-bottom:12px}
.cta-section p{color:var(--dark-sub);font-size:.9375rem;max-width:560px;margin:0 auto 36px;line-height:1.7}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:.75rem 1.75rem;border-radius:var(--radius-btn);font-weight:600;font-size:.875rem;
  transition:all .2s ease;cursor:pointer;border:none;
}
.cta-btn-primary{background:var(--gold);color:var(--ink)}
.cta-btn-primary:hover{background:var(--gold-light);color:var(--ink);transform:translateY(-1px)}
.cta-btn-outline{background:transparent;color:var(--dark-text);border:1px solid rgba(255,255,255,.4)}
.cta-btn-outline:hover{border-color:var(--gold);color:var(--gold-light);transform:translateY(-1px)}
/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--dark-sub);padding:64px 0 0;border-top:1px solid var(--gold)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:48px}
.footer-brand p{font-size:.8125rem;line-height:1.7;color:var(--dark-sub);max-width:280px}
.footer-col h4{font-size:.875rem;font-weight:600;color:var(--dark-text);margin-bottom:16px;letter-spacing:.06em}
.footer-col a{display:block;font-size:.8125rem;color:var(--dark-sub);padding:6px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--gold-light)}
.footer-newsletter p{font-size:.8125rem;color:var(--dark-sub);margin-bottom:12px}
.footer-newsletter form{display:flex;gap:8px}
.footer-newsletter input{
  flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:8px;padding:10px 12px;font-size:.8125rem;color:var(--dark-text);
  transition:border-color .2s;
}
.footer-newsletter input:focus{border-color:var(--gold)}
.footer-newsletter button{
  background:var(--gold);color:var(--ink);border:none;border-radius:8px;padding:10px 16px;
  font-size:.8125rem;font-weight:600;cursor:pointer;transition:background .2s;
}
.footer-newsletter button:hover{background:var(--gold-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:.75rem;color:var(--dark-sub);letter-spacing:.05em}
.footer-bottom a{font-size:.75rem;color:var(--dark-sub);transition:color .2s}
.footer-bottom a:hover{color:var(--gold-light)}
/* ===== 浮动CTA ===== */
.float-cta{
  position:fixed;bottom:28px;right:28px;z-index:900;
  width:56px;height:56px;border-radius:50%;background:var(--gold);color:var(--ink);
  display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;
  box-shadow:var(--shadow-hover);font-size:1.25rem;transition:width .3s ease,border-radius .3s ease,background .3s ease;
  overflow:hidden;white-space:nowrap;
}
.float-cta span{max-width:0;opacity:0;transition:max-width .3s ease,opacity .3s ease;font-size:.8125rem;font-weight:600}
.float-cta:hover{width:auto;border-radius:999px;padding:0 24px;gap:8px;background:var(--gold-light)}
.float-cta:hover span{max-width:120px;opacity:1}
.float-cta i{flex-shrink:0}
/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .nav-links{display:none}
  .nav-pages{display:none}
  .nav-burger{display:block}
  .nav-mobile-menu .mobile-links{display:flex}
  .nav-mobile-menu .mobile-pages{display:flex}
  .nav-side{gap:12px}
  .nav-logo-wrap{padding-right:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .overview-img img{min-height:260px}
}
@media screen and (max-width:768px){
  .container{padding:0 20px}
  .security-overview .left-col{padding-right:0;margin-bottom:32px}
  .overview-img img{min-height:220px}
  .feature-grid{grid-template-columns:1fr;gap:20px}
  .gallery-grid{grid-template-columns:1fr;gap:20px}
  .process-steps{grid-template-columns:1fr;gap:32px}
  .process-steps::before{display:none}
  .process-step{text-align:left;display:flex;align-items:flex-start;gap:16px}
  .process-step .step-icon{margin:0;flex-shrink:0}
  .protect-wrap{grid-template-columns:1fr}
  .protect-points{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .page-banner{height:240px}
  .nav-search{display:none}
  .nav-cta{padding:.45rem 1rem;font-size:.75rem}
  .float-cta{
    left:50%;right:auto;transform:translateX(-50%);bottom:16px;
    width:auto;border-radius:999px;padding:0 24px;height:48px;gap:8px;
    background:var(--gold);box-shadow:var(--shadow-hover);
  }
  .float-cta span{max-width:120px;opacity:1;font-size:.8125rem}
}
@media screen and (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-newsletter form{flex-direction:column}
  .cta-buttons{flex-direction:column;align-items:stretch}
  .cta-btn{width:100%}
  .nav-cta{display:none}
  .nav-inner{padding:0 16px}
  .nav-logo-wrap{border-right:none}
  .sec-h2{font-size:1.375rem}
  .feature-item{padding:20px}
  .gallery-img{height:180px}
  .page-banner h1{font-size:1.5rem}
}