/* roulang page: index */
:root {
  --brand-orange: #E4602E;
  --brand-gold: #D9A441;
  --brand-ink: #171C1F;
  --brand-cream: #F6F4EF;
  --brand-gray: #EFEDE8;
  --text-main: #3A3A3A;
  --text-muted: #8A857E;
  --line: #E5E1DA;
  --radius-card: 24px;
  --radius-btn: 999px;
  --shadow-card: 0 8px 24px rgba(23,28,31,.06);
  --shadow-hover: 0 16px 40px rgba(228,96,46,.14);
  --success: #3A8A5F;
  --white: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--brand-cream);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

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

@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
    padding: 0 48px;
  }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 239, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 225, 218, .8);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(23, 28, 31, .06);
}

.header-top {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1280px;
  margin: 0 auto;
}

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

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand-orange), #F5A54A);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.5px;
}

.logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand-ink);
  letter-spacing: .01em;
  white-space: nowrap;
}

.logo-text span {
  color: var(--brand-orange);
}

.header-top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-search-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-gray);
  color: var(--text-main);
  transition: background .2s ease, transform .2s ease;
}

.header-search-btn:hover {
  background: var(--brand-orange);
  color: #fff;
  transform: scale(1.05);
}

.header-search-btn:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
}

.hamburger-btn {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--brand-gray);
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: background .2s ease;
}

.hamburger-btn:hover {
  background: var(--brand-orange);
  color: #fff;
}

.hamburger-btn:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
}

.hamburger-btn svg {
  width: 20px;
  height: 20px;
}

.nav-bar {
  border-top: 1px solid rgba(229, 225, 218, .6);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1280px;
  margin: 0 auto;
  gap: 24px;
}

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

.nav-links a {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  transition: background .2s ease, color .2s ease;
}

.nav-links a:hover {
  background: rgba(228, 96, 46, .08);
  color: var(--brand-orange);
}

.nav-links a.active {
  background: var(--brand-orange);
  color: #fff;
  font-weight: 600;
}

.nav-links a:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: flex-end;
}

.nav-search {
  display: flex;
  align-items: center;
  background: var(--brand-gray);
  border-radius: 999px;
  padding: 0 14px;
  height: 32px;
  gap: 8px;
  flex: 0 1 260px;
  transition: box-shadow .2s ease, background .2s ease;
}

.nav-search:focus-within {
  background: #fff;
  box-shadow: 0 0 0 2px rgba(228, 96, 46, .25);
}

.nav-search svg {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.nav-search input {
  background: transparent;
  border: none;
  font-size: 13px;
  color: var(--text-main);
  width: 100%;
}

.nav-search input::placeholder {
  color: var(--text-muted);
}

.hot-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.hot-tags span {
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hot-tags a {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(217, 164, 65, .12);
  color: #A67B22;
  transition: background .2s ease, color .2s ease;
}

.hot-tags a:hover {
  background: rgba(217, 164, 65, .22);
  color: #8A6215;
}

.hot-tags a:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--brand-cream);
  border-bottom: 1px solid var(--line);
  padding: 16px 24px;
}

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

.mobile-menu a.mobile-link {
  display: block;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: background .2s ease, color .2s ease;
}

.mobile-menu a.mobile-link:hover {
  background: rgba(228, 96, 46, .08);
  color: var(--brand-orange);
}

.mobile-menu a.mobile-link.active {
  background: var(--brand-orange);
  color: #fff;
}

.mobile-menu .mobile-search {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 12px;
  padding: 0 14px;
  height: 40px;
  margin: 12px 16px 4px;
  border: 1px solid var(--line);
  gap: 8px;
}

.mobile-menu .mobile-search input {
  flex: 1;
  font-size: 14px;
  background: transparent;
}

.mobile-hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 16px 4px;
}

.mobile-hot-tags a {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(217, 164, 65, .12);
  color: #A67B22;
}

.mobile-hot-tags a:hover {
  background: rgba(217, 164, 65, .22);
}

@media (max-width: 768px) {
  .header-top {
    height: 52px;
  }
  .nav-bar {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .logo-text {
    font-size: 15px;
  }
  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(23, 28, 31, .88) 0%, rgba(23, 28, 31, .55) 50%, rgba(23, 28, 31, .25) 100%);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(228, 96, 46, .15) 0%, transparent 60%);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 60px;
}

@media (min-width: 1024px) {
  .hero {
    min-height: 640px;
  }
  .hero .container {
    grid-template-columns: 1.3fr .8fr;
    align-items: center;
  }
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  font-size: 13px;
  color: #F5C86E;
  margin-bottom: 20px;
  letter-spacing: .02em;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero h1 {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 44px;
  }
}

.hero-sub {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(120deg, #E4602E, #F5A54A);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(228, 96, 46, .3);
  transition: all .3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(228, 96, 46, .4);
  filter: brightness(1.05);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 32px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, .4);
  transition: all .3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .7);
}

.btn-secondary:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Hero data badges */
.hero-badges {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-end;
}

@media (max-width: 767px) {
  .hero-badges {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

.data-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, rgba(228, 96, 46, .9), rgba(217, 164, 65, .8));
  border-radius: 999px;
  padding: 10px 24px 10px 10px;
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
  min-width: 180px;
  transition: transform .3s ease, box-shadow .3s ease;
}

.data-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, .28);
}

.data-badge .badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-gold);
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}

.data-badge .badge-info {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.data-badge .badge-num {
  font-size: 20px;
  font-weight: 700;
  color: #F5C86E;
}

.data-badge .badge-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .9);
}

/* ===== Section common ===== */
.section {
  padding: 64px 0;
}

@media (min-width: 768px) {
  .section {
    padding: 80px 0;
  }
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-orange);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 24px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--brand-ink);
  letter-spacing: .01em;
  margin-bottom: 14px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 32px;
  }
}

.section-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ===== Philosophy (交错) ===== */
.philosophy-section {
  background: var(--brand-cream);
}

.philosophy-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.philosophy-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .philosophy-item {
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
  }
  .philosophy-item.reverse .philosophy-media {
    order: 2;
  }
  .philosophy-item.reverse .philosophy-content {
    order: 1;
  }
}

.philosophy-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  aspect-ratio: 4 / 3;
}

.philosophy-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.philosophy-media:hover img {
  transform: scale(1.03);
}

.philosophy-media .media-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(23, 28, 31, .75);
  backdrop-filter: blur(8px);
  color: #F5C86E;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .15);
}

.philosophy-content .item-no {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-gold);
  letter-spacing: .1em;
  margin-bottom: 10px;
}

.philosophy-content h3 {
  font-size: 20px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--brand-ink);
  margin-bottom: 14px;
}

.philosophy-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.philosophy-content .link-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease;
}

.philosophy-content .link-more:hover {
  gap: 10px;
}

.philosophy-content .link-more:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== Achievement dark ===== */
.achievement-section {
  background: var(--brand-ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.achievement-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228, 96, 46, .2) 0%, transparent 70%);
}

.achievement-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, .12) 0%, transparent 70%);
}

.achievement-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .achievement-wrap {
    grid-template-columns: .9fr 1.1fr;
    gap: 64px;
  }
}

.achievement-left .section-eyebrow {
  color: var(--brand-gold);
}

.achievement-left .section-title {
  color: #fff;
}

.achievement-left .section-desc {
  color: rgba(255, 255, 255, .7);
  margin-bottom: 32px;
}

.achievement-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
}

.metric-item {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 16px;
  padding: 16px 24px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.metric-item .metric-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-gold);
  line-height: 1.2;
}

.metric-item .metric-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
  margin-top: 4px;
}

.achievement-slider {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, .3) transparent;
  padding-bottom: 8px;
  scroll-snap-type: x mandatory;
}

.achievement-slider::-webkit-scrollbar {
  height: 6px;
}

.achievement-slider::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .25);
  border-radius: 999px;
}

.achievement-card {
  min-width: 220px;
  max-width: 220px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 20px;
  overflow: hidden;
  scroll-snap-align: start;
  transition: transform .3s ease, box-shadow .3s ease;
  flex-shrink: 0;
}

.achievement-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, .2);
}

.achievement-card .card-img {
  height: 120px;
  overflow: hidden;
}

.achievement-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.achievement-card .card-body {
  padding: 16px;
}

.achievement-card .card-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-gold);
  margin-bottom: 6px;
}

.achievement-card .card-title {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 8px;
}

.achievement-card .card-val {
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
}

/* ===== Journey Steps ===== */
.journey-section {
  background: var(--brand-gray);
}

.journey-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 760px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .journey-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: none;
  }
}

.step-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 22px 22px;
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--brand-orange);
  opacity: 0;
  transition: opacity .3s ease;
}

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

.step-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

.step-dot.done {
  background: var(--success);
  color: #fff;
}

.step-dot.current {
  background: var(--brand-orange);
  color: #fff;
  box-shadow: 0 0 0 6px rgba(228, 96, 46, .15);
}

.step-dot.pending {
  background: transparent;
  color: var(--text-muted);
  border: 2px solid var(--line);
}

.step-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-ink);
  margin-bottom: 8px;
}

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

.step-connector {
  display: none;
}

@media (min-width: 768px) {
  .step-connector {
    display: block;
    position: absolute;
    top: 46px;
    right: -16px;
    width: 32px;
    height: 2px;
    background: var(--line);
    z-index: 0;
  }
}

@media (max-width: 767px) {
  .step-connector {
    display: none;
  }
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--brand-cream);
  padding: 80px 0;
}

.cta-card {
  position: relative;
  background: var(--brand-ink);
  border-radius: 28px;
  padding: 56px 32px;
  text-align: center;
  overflow: hidden;
  color: #fff;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228, 96, 46, .35), transparent 70%);
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, .2), transparent 70%);
}

.cta-card > * {
  position: relative;
  z-index: 2;
}

.cta-card h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .cta-card {
    padding: 72px 56px;
  }
  .cta-card h2 {
    font-size: 32px;
  }
}

.cta-card p {
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .72);
}

/* ===== News Section ===== */
.news-section {
  background: var(--brand-gray);
  padding: 64px 0;
}

@media (min-width: 768px) {
  .news-section {
    padding: 80px 0;
  }
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  transition: box-shadow .3s ease, transform .3s ease;
  overflow: hidden;
}

@media (min-width: 640px) {
  .news-item {
    flex-direction: row;
    gap: 20px;
    padding: 14px;
  }
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.news-thumb {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  width: 100%;
  flex-shrink: 0;
  background: var(--brand-gray);
}

@media (min-width: 640px) {
  .news-thumb {
    width: 160px;
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 768px) {
  .news-thumb {
    width: 180px;
  }
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.news-item:hover .news-thumb img {
  transform: scale(1.04);
}

.news-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: 8px;
}

@media (min-width: 640px) {
  .news-body {
    padding-top: 4px;
  }
}

.news-cat {
  display: inline-block;
  align-self: flex-start;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(228, 96, 46, .08);
  color: var(--brand-orange);
  margin-bottom: 8px;
}

.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--brand-ink);
  line-height: 1.45;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}

.news-item:hover .news-title {
  color: var(--brand-orange);
}

.news-summary {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: auto;
}

.news-meta time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-meta time::before {
  content: '';
  width: 14px;
  height: 14px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%238A857E" stroke-width="2"><rect x="3" y="4" width="18" height="18" rx="2"/><path d="M16 2v4M8 2v4M3 10h18"/></svg>') center/contain no-repeat;
  opacity: .7;
}

.news-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-orange);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .2s ease;
}

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

.news-link:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.news-empty {
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: 20px;
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

.news-empty svg {
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  color: var(--line);
  display: block;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--brand-cream);
  padding: 64px 0;
}

@media (min-width: 768px) {
  .faq-section {
    padding: 80px 0;
  }
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0;
  overflow: hidden;
  transition: box-shadow .3s ease;
}

.faq-item.active {
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--brand-orange);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--brand-ink);
  transition: color .2s ease;
}

.faq-question:hover {
  color: var(--brand-orange);
}

.faq-question:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: -2px;
  border-radius: 18px;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease, color .3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--brand-orange);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 24px 22px;
}

.faq-answer-inner {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--brand-ink);
  color: #C9C4BC;
  padding: 56px 0 0;
}

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

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
  }
}

.footer-brand .logo-wrap {
  margin-bottom: 12px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
  max-width: 280px;
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .02em;
}

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

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  transition: color .2s ease, padding-left .2s ease;
}

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

.footer-links a:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 6px;
}

.footer-contact .contact-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact .contact-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: .6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .4);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom a {
  color: rgba(255, 255, 255, .55);
}

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

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

.animate-fade-up {
  animation: fadeInUp .6s ease both;
}

.delay-100 { animation-delay: .1s; }
.delay-200 { animation-delay: .2s; }
.delay-300 { animation-delay: .3s; }

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 22px; }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .news-thumb { width: 100%; aspect-ratio: 16 / 9; }
  .news-item { flex-direction: column; }
  .achievement-card { min-width: 180px; max-width: 180px; }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .nav-search { flex: 0 1 180px; }
  .hot-tags span { display: none; }
}

@media (max-width: 480px) {
  .logo-text { font-size: 14px; }
  .logo-icon { width: 28px; height: 28px; }
  .data-badge { min-width: 150px; }
  .step-card { padding: 20px 16px; }
}

/* roulang page: category1 */
:root {
    --brand-orange: #E4602E;
    --brand-orange-light: #F5A54A;
    --brand-gold: #D9A441;
    --ink: #171C1F;
    --cream: #F6F4EF;
    --smoke: #EFEDE8;
    --text-body: #3A3A3A;
    --text-muted: #8A857E;
    --line-color: #E5E1DA;
    --radius-card: 24px;
    --radius-btn: 999px;
    --shadow-card: 0 8px 24px rgba(23, 28, 31, .06);
    --shadow-hover: 0 16px 40px rgba(228, 96, 46, .14);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--cream);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
  }

  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }

  input {
    font-family: inherit;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(23, 28, 31, .06);
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 20px;
    border-bottom: 1px solid var(--line-color);
    background: #fff;
  }

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

  .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 10px;
    background: linear-gradient(120deg, var(--brand-orange), var(--brand-orange-light));
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .02em;
    box-shadow: 0 4px 12px rgba(228, 96, 46, .25);
  }

  .logo-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .01em;
    line-height: 1.3;
  }

  .logo-text span {
    color: var(--brand-orange);
    font-weight: 600;
    font-size: 14px;
  }

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

  .header-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: var(--ink);
    transition: background .2s ease;
  }

  .header-search-btn:hover {
    background: var(--smoke);
  }

  .header-search-btn:focus-visible,
  .hamburger-btn:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 2px;
  }

  .hamburger-btn {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    transition: background .2s ease;
  }

  .hamburger-btn:hover {
    background: var(--smoke);
  }

  .nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 48px;
    padding: 0 20px;
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--line-color);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-links a {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-body);
    transition: background .2s ease, color .2s ease;
  }

  .nav-links a:hover {
    background: var(--smoke);
    color: var(--ink);
  }

  .nav-links a.active {
    background: var(--ink);
    color: #fff;
  }

  .nav-links a:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 2px;
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .nav-search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 220px;
    height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--smoke);
    border: 1px solid transparent;
    transition: border .2s ease, background .2s ease;
  }

  .nav-search:focus-within {
    border-color: var(--brand-orange);
    background: #fff;
  }

  .nav-search svg {
    width: 15px;
    height: 15px;
    color: var(--text-muted);
    flex-shrink: 0;
  }

  .nav-search input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    color: var(--text-body);
  }

  .nav-search input::placeholder {
    color: var(--text-muted);
  }

  .hot-tags {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .hot-tags a {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(228, 96, 46, .08);
    color: var(--brand-orange);
    font-weight: 500;
    font-size: 12px;
    transition: background .2s ease;
  }

  .hot-tags a:hover {
    background: rgba(228, 96, 46, .16);
  }

  .hot-tags a:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 2px;
  }

  .mobile-menu {
    display: none;
    padding: 14px 20px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line-color);
  }

  .mobile-menu.open {
    display: block;
    animation: menuFade .2s ease;
  }

  @keyframes menuFade {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

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

  .mobile-link:hover {
    background: var(--smoke);
  }

  .mobile-link.active {
    background: var(--ink);
    color: #fff;
  }

  .mobile-link:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 2px;
  }

  .mobile-search {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 0 14px;
    height: 40px;
    border-radius: 999px;
    background: var(--smoke);
  }

  .mobile-search input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
  }

  .mobile-search input::placeholder {
    color: var(--text-muted);
  }

  .mobile-hot-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
  }

  .mobile-hot-tags a {
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(228, 96, 46, .08);
    color: var(--brand-orange);
    font-size: 13px;
    font-weight: 500;
  }

  /* ===== Hero ===== */
  .cat-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
  }

  .cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(23, 28, 31, .92) 20%, rgba(23, 28, 31, .55) 60%, rgba(23, 28, 31, .25) 100%);
  }

  .cat-hero .hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 640px;
    padding: 60px 0;
  }

  .cat-hero .tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .25);
    background: rgba(255, 255, 255, .08);
    font-size: 13px;
    letter-spacing: .04em;
    color: #f5e7d8;
  }

  .cat-hero h1 {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 16px;
    letter-spacing: .01em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, .25);
  }

  .cat-hero .lead {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .85);
    margin-bottom: 28px;
    max-width: 520px;
  }

  .hero-stats {
    display: flex;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
  }

  .stat-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    padding: 14px 18px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(228, 96, 46, .9), rgba(228, 96, 46, .6));
    border: 1px solid rgba(255, 255, 255, .25);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .2);
    backdrop-filter: blur(4px);
  }

  .stat-badge .num {
    font-size: 22px;
    font-weight: 700;
    color: var(--brand-gold);
    line-height: 1.3;
  }

  .stat-badge .label {
    font-size: 12px;
    color: rgba(255, 255, 255, .85);
    margin-top: 2px;
    white-space: nowrap;
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    background: linear-gradient(120deg, var(--brand-orange), var(--brand-orange-light));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(228, 96, 46, .25);
    transition: all .25s ease;
  }

  .btn-primary:hover {
    background: linear-gradient(120deg, #d5541f, #f09a3a);
    box-shadow: 0 12px 28px rgba(228, 96, 46, .32);
    transform: translateY(-2px);
  }

  .btn-primary:focus-visible {
    outline: 3px solid rgba(228, 96, 46, .4);
    outline-offset: 3px;
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--ink);
    font-size: 15px;
    font-weight: 600;
    transition: all .25s ease;
  }

  .btn-outline:hover {
    background: rgba(228, 96, 46, .1);
    border-color: var(--brand-orange);
    color: var(--brand-orange);
  }

  .btn-outline:focus-visible {
    outline: 3px solid rgba(228, 96, 46, .3);
    outline-offset: 3px;
  }

  .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand-orange);
    font-weight: 600;
    font-size: 15px;
    transition: gap .2s ease;
  }

  .btn-link:hover {
    gap: 10px;
    color: #d5541f;
  }

  .btn-link:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: 4px;
    border-radius: 6px;
  }

  /* ===== Section ===== */
  .section {
    padding: 56px 0;
  }

  .section-smoke {
    background: var(--smoke);
  }

  .section-white {
    background: #fff;
  }

  .section-head {
    max-width: 640px;
    margin-bottom: 40px;
  }

  .section-head .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-orange);
    letter-spacing: .06em;
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  .section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.35;
    margin: 0 0 12px;
    letter-spacing: .01em;
  }

  .section-head p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin: 0;
  }

  /* ===== Feature blocks ===== */
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .feature-card {
    background: #fff;
    border: 1px solid var(--line-color);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 3px;
    border-radius: 0 0 8px 8px;
    background: var(--brand-orange);
    opacity: 0;
    transition: opacity .25s ease;
  }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(228, 96, 46, .25);
  }

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

  .feature-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(228, 96, 46, .08);
    color: var(--brand-orange);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 8px;
  }

  .feature-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
    margin: 0;
  }

  /* ===== Split block ===== */
  .split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .split-media {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
  }

  .split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
  }

  .split-content h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.4;
    margin: 0 0 18px;
  }

  .split-content p {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-body);
    margin: 0 0 24px;
  }

  .split-list {
    list-style: none;
    padding: 0;
    margin: 0 0 26px;
  }

  .split-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 6px 0;
    font-size: 15px;
    color: var(--text-body);
  }

  .split-list li svg {
    width: 18px;
    height: 18px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 4px;
  }

  /* ===== Scenario tags ===== */
  .scenario-card {
    background: #fff;
    border: 1px solid var(--line-color);
    border-radius: 20px;
    padding: 28px;
    height: 100%;
    box-shadow: var(--shadow-card);
  }

  .scenario-card .num {
    font-size: 36px;
    font-weight: 700;
    color: var(--brand-gold);
    line-height: 1.2;
    margin-bottom: 10px;
  }

  .scenario-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
  }

  .scenario-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
    margin: 0;
  }

  /* ===== Steps ===== */
  .steps-wrapper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .step-item {
    position: relative;
    padding-top: 32px;
  }

  .step-item::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    right: 50%;
    height: 2px;
    background: var(--line-color);
  }

  .step-item:first-child::before {
    display: none;
  }

  .step-dot {
    position: absolute;
    top: 0;
    left: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--line-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
  }

  .step-item.done .step-dot {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
  }

  .step-item.current .step-dot {
    border-color: var(--brand-orange);
    background: #fff;
    color: var(--brand-orange);
    box-shadow: 0 0 0 4px rgba(228, 96, 46, .12);
  }

  .step-card {
    background: #fff;
    border: 1px solid var(--line-color);
    border-radius: 16px;
    padding: 18px;
    min-height: 120px;
    transition: box-shadow .25s ease, border-color .25s ease;
  }

  .step-card:hover {
    box-shadow: var(--shadow-card);
    border-color: rgba(228, 96, 46, .2);
  }

  .step-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 6px;
  }

  .step-card p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-muted);
    margin: 0;
  }

  /* ===== News / Guide list ===== */
  .guide-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .guide-card {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 0;
    background: #fff;
    border: 1px solid var(--line-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease;
  }

  .guide-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }

  .guide-cover {
    position: relative;
    overflow: hidden;
  }

  .guide-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
  }

  .guide-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(23, 28, 31, .75);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    backdrop-filter: blur(4px);
  }

  .guide-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 28px;
  }

  .guide-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin: 0 0 10px;
  }

  .guide-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .guide-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
  }

  /* ===== Dark stats ===== */
  .dark-stats {
    background: var(--ink);
    color: #fff;
    border-radius: 32px;
    padding: 48px;
    position: relative;
    overflow: hidden;
  }

  .dark-stats::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(217, 164, 65, .22), transparent 70%);
  }

  .dark-stats .stats-head h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 12px;
  }

  .dark-stats .stats-head p {
    color: rgba(255, 255, 255, .7);
    font-size: 15px;
    margin: 0;
    max-width: 480px;
  }

  .stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
  }

  .stats-item {
    padding: 20px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
  }

  .stats-item .num {
    font-size: 32px;
    font-weight: 700;
    color: var(--brand-gold);
    line-height: 1.3;
  }

  .stats-item .label {
    font-size: 14px;
    color: rgba(255, 255, 255, .75);
    margin-top: 6px;
  }

  /* ===== FAQ ===== */
  .faq-wrap {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line-color);
    border-radius: 18px;
    overflow: hidden;
    transition: box-shadow .25s ease, border-color .25s ease;
  }

  .faq-item:hover {
    box-shadow: var(--shadow-card);
  }

  .faq-item.active {
    border-color: var(--brand-orange);
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--brand-orange);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    text-align: left;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink);
    transition: background .2s ease;
  }

  .faq-question:hover {
    background: #faf9f6;
  }

  .faq-question:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: -2px;
  }

  .faq-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--smoke);
    color: var(--text-body);
    font-size: 18px;
    font-weight: 400;
    transition: transform .3s ease, background .3s ease;
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--brand-orange);
    color: #fff;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .32s ease;
  }

  .faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
  }

  /* ===== CTA ===== */
  .cta-box {
    border-radius: 32px;
    background: var(--ink);
    color: #fff;
    padding: 56px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-box::before {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 10%;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(228, 96, 46, .25), transparent 70%);
  }

  .cta-box::after {
    content: '';
    position: absolute;
    top: -60px;
    right: 5%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(217, 164, 65, .2), transparent 70%);
  }

  .cta-box h2 {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 12px;
    position: relative;
    z-index: 2;
  }

  .cta-box p {
    font-size: 15px;
    color: rgba(255, 255, 255, .75);
    margin: 0 0 28px;
    position: relative;
    z-index: 2;
  }

  .cta-box .btn-primary {
    position: relative;
    z-index: 2;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--ink);
    color: #C9C4BC;
    margin-top: 40px;
  }

  .site-footer .container {
    padding-top: 48px;
    padding-bottom: 28px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
  }

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

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .6);
    margin: 16px 0 0;
    max-width: 320px;
  }

  .site-footer h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
  }

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

  .footer-links a {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
    transition: color .2s ease;
  }

  .footer-links a:hover {
    color: #fff;
  }

  .footer-links a:focus-visible {
    outline: 2px solid rgba(255, 255, 255, .5);
    outline-offset: 4px;
    border-radius: 4px;
  }

  .footer-contact p {
    margin: 0 0 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
  }

  .footer-bottom {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, .45);
  }

  .footer-bottom a:hover {
    color: #fff;
  }

  .footer-bottom a:focus-visible {
    outline: 2px solid rgba(255, 255, 255, .4);
    outline-offset: 4px;
    border-radius: 4px;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .nav-bar {
      gap: 12px;
    }

    .nav-right {
      gap: 10px;
    }

    .nav-search {
      width: 180px;
    }

    .hot-tags {
      display: none;
    }
  }

  @media (max-width: 768px) {
    body {
      font-size: 15px;
    }

    .hamburger-btn {
      display: inline-flex;
    }

    .nav-bar {
      display: none;
    }

    .cat-hero {
      min-height: 520px;
    }

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

    .cat-hero .lead {
      font-size: 15px;
    }

    .section {
      padding: 40px 0;
    }

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

    .split-block {
      grid-template-columns: 1fr;
      gap: 24px;
    }

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

    .steps-wrapper {
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .step-item::before {
      display: none;
    }

    .step-item {
      padding-top: 0;
      padding-left: 44px;
    }

    .step-dot {
      left: 0;
      top: 4px;
    }

    .guide-card {
      grid-template-columns: 1fr;
    }

    .guide-cover img {
      aspect-ratio: 16 / 10;
    }

    .guide-body {
      padding: 20px;
    }

    .dark-stats {
      padding: 32px 24px;
      border-radius: 24px;
    }

    .stats-row {
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .cta-box {
      padding: 44px 24px;
      border-radius: 24px;
    }

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

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

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

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

    .hero-stats {
      gap: 10px;
    }

    .stat-badge {
      min-width: 80px;
      padding: 12px 14px;
    }

    .stat-badge .num {
      font-size: 18px;
    }

    .stat-badge .label {
      font-size: 11px;
    }

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

    .btn-primary,
    .btn-outline {
      width: 100%;
    }
  }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --brand-orange: #E4602E;
  --brand-gold: #D9A441;
  --brand-ink: #171C1F;
  --brand-cream: #F6F4EF;
  --brand-line: #E5E1DA;
  --text-main: #3A3A3A;
  --text-muted: #8A857E;
  --success: #3A8A5F;
  --radius-card: 24px;
  --radius-btn: 999px;
  --shadow-card: 0 8px 24px rgba(23,28,31,.06);
  --shadow-hover: 0 16px 40px rgba(228,96,46,.14);
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background: var(--brand-cream);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
::selection { background: rgba(228,96,46,.18); color: #171C1F; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .container, .container-narrow { padding: 0 16px; }
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(120deg, #E4602E, #F5A54A);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  box-shadow: 0 8px 20px rgba(228,96,46,.25);
  transition: all .3s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(228,96,46,.35);
  filter: brightness(1.06);
}
.btn-primary:focus-visible {
  outline: 3px solid rgba(228,96,46,.4);
  outline-offset: 3px;
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 14px rgba(228,96,46,.28); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--brand-ink);
  border: 1.5px solid rgba(23,28,31,.5);
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  transition: all .3s ease;
}
.btn-secondary:hover {
  background: rgba(228,96,46,.08);
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}
.btn-secondary:focus-visible {
  outline: 3px solid rgba(228,96,46,.25);
  outline-offset: 2px;
}
.btn-secondary:active { transform: scale(.98); }

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.65);
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  transition: all .3s ease;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #F5A54A;
  color: #F5A54A;
}
.btn-outline-light:focus-visible {
  outline: 3px solid rgba(245,165,74,.4);
  outline-offset: 2px;
}

/* ===== 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(228,96,46,.08);
  color: var(--brand-orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}

/* ===== Header 两层导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,244,239,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--brand-line);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #E4602E, #F5A54A);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(228,96,46,.3);
  flex-shrink: 0;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--brand-ink);
  letter-spacing: .02em;
  line-height: 1.2;
}
.logo-text span { color: var(--brand-orange); font-size: 13px; font-weight: 600; margin-left: 2px; }
.header-top-actions { display: flex; align-items: center; gap: 8px; }
.header-search-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: background .25s, color .25s;
}
.header-search-btn svg { width: 19px; height: 19px; }
.header-search-btn:hover { background: rgba(228,96,46,.08); color: var(--brand-orange); }
.header-search-btn:focus-visible { outline: 2px solid var(--brand-orange); outline-offset: 2px; }
.hamburger-btn {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-main);
  transition: background .25s, color .25s;
}
.hamburger-btn svg { width: 22px; height: 22px; }
.hamburger-btn:hover { background: rgba(228,96,46,.08); }
.hamburger-btn:focus-visible { outline: 2px solid var(--brand-orange); outline-offset: 2px; }

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 48px;
  border-top: 1px solid transparent;
}
@media (min-width: 769px) {
  .nav-bar { border-top: 1px solid var(--brand-line); }
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  display: inline-block;
  padding: 6px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 999px;
  transition: all .25s;
}
.nav-links a:hover { color: var(--brand-orange); background: rgba(228,96,46,.06); }
.nav-links a.active {
  color: #fff;
  background: linear-gradient(135deg, #E4602E, #F5A54A);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(228,96,46,.25);
}
.nav-links a:focus-visible { outline: 2px solid var(--brand-orange); outline-offset: 2px; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  padding: 6px 14px;
  transition: border-color .25s, box-shadow .25s;
}
.nav-search svg { width: 15px; height: 15px; color: var(--text-muted); flex-shrink: 0; }
.nav-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-main);
  width: 120px;
}
.nav-search input::placeholder { color: #B0ABA4; }
.nav-search:focus-within {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(228,96,46,.12);
}
.hot-tags { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.hot-tags a {
  color: var(--text-muted);
  padding: 2px 10px;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  font-size: 12px;
  transition: all .25s;
}
.hot-tags a:hover {
  color: var(--brand-orange);
  border-color: rgba(228,96,46,.4);
  background: rgba(228,96,46,.04);
}

/* 移动端菜单 */
.mobile-menu {
  display: none;
  padding: 14px 24px 24px;
  border-top: 1px solid var(--brand-line);
  background: rgba(246,244,239,.98);
}
.mobile-menu.open { display: block; }
.mobile-link {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 4px;
}
.mobile-link:hover { background: rgba(228,96,46,.06); color: var(--brand-orange); }
.mobile-link.active { color: var(--brand-orange); font-weight: 600; background: rgba(228,96,46,.08); }
.mobile-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--brand-line);
  border-radius: 12px;
  padding: 10px 14px;
  margin-top: 14px;
}
.mobile-search input { border: none; outline: none; flex: 1; font-size: 14px; background: transparent; }
.mobile-hot-tags { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.mobile-hot-tags a {
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  color: var(--text-muted);
}
.mobile-hot-tags a:hover { color: var(--brand-orange); border-color: rgba(228,96,46,.4); }

@media (max-width: 768px) {
  .nav-bar { display: none; }
  .hamburger-btn { display: flex; }
  .header-top { padding: 0 16px; }
}
@media (min-width: 769px) {
  .mobile-menu { display: none !important; }
}
@media (max-width: 1000px) and (min-width: 769px) {
  .hot-tags { display: none; }
  .nav-search input { width: 80px; }
}

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(23,28,31,.93) 10%, rgba(23,28,31,.72) 60%, rgba(228,96,46,.25) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 60px 0 52px;
  color: #fff;
}
.article-hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 32px;
  background: linear-gradient(to bottom, transparent, rgba(246,244,239,.6) 60%, var(--brand-cream));
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-bottom: 18px;
}
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #F5A54A; }
.breadcrumb .sep { color: rgba(255,255,255,.35); }
.breadcrumb .current {
  color: #F5A54A;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.article-hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .01em;
  max-width: 920px;
  margin: 0 auto 18px;
  text-align: center;
  word-break: break-word;
  overflow-wrap: break-word;
  text-shadow: 0 2px 20px rgba(0,0,0,.25);
}

.article-lead {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item svg { width: 15px; height: 15px; color: var(--brand-gold); flex-shrink: 0; }

@media (max-width: 768px) {
  .article-hero { padding: 44px 0 40px; }
  .article-hero h1 { font-size: 30px; }
  .article-meta { gap: 10px 16px; }
}
@media (max-width: 480px) {
  .article-hero h1 { font-size: 25px; }
  .article-lead { font-size: 14px; }
}

/* ===== 正文区 ===== */
.article-body-section {
  padding: 48px 0 24px;
  background: var(--brand-cream);
}
.article-card {
  background: #fff;
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px 48px;
}
@media (max-width: 640px) {
  .article-card { padding: 24px 20px; }
}

.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-main);
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 36px 0 16px;
  letter-spacing: .01em;
  color: var(--brand-ink);
  border-left: 4px solid var(--brand-orange);
  padding-left: 16px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--brand-ink);
  line-height: 1.45;
}
.article-content p { margin: 0 0 18px; }
.article-content strong { color: var(--brand-ink); font-weight: 700; }
.article-content a {
  color: var(--brand-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(228,96,46,.35);
}
.article-content a:hover { color: #C94E1F; text-decoration-color: #C94E1F; }
.article-content img {
  border-radius: 16px;
  margin: 26px 0;
  box-shadow: var(--shadow-card);
}
.article-content blockquote {
  border-left: 4px solid var(--brand-orange);
  background: #FFF8F0;
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: #5A554E;
  font-size: 15px;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content ul {
  padding-left: 22px;
  margin: 0 0 18px;
  list-style: disc;
}
.article-content ol {
  padding-left: 22px;
  margin: 0 0 18px;
  list-style: decimal;
}
.article-content li { margin-bottom: 6px; }
.article-content li::marker { color: var(--brand-orange); }
.article-content hr {
  border: none;
  border-top: 1px solid var(--brand-line);
  margin: 32px 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--brand-line);
  padding: 10px 14px;
  text-align: left;
}
.article-content th {
  background: var(--brand-cream);
  font-weight: 600;
  color: var(--brand-ink);
}
.article-content code {
  background: rgba(23,28,31,.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .92em;
}
.article-content pre {
  background: var(--brand-ink);
  color: #E8E4DD;
  padding: 20px;
  border-radius: 14px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }

/* 空态 */
.article-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.article-empty svg {
  width: 56px;
  height: 56px;
  color: #D0CCC5;
  margin-bottom: 18px;
}
.article-empty h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--brand-ink);
  margin-bottom: 8px;
}
.article-empty p { margin-bottom: 20px; }

/* ===== 标签 + 分享 ===== */
.article-tag-share {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--brand-line);
}
.tags-list { display: flex; flex-wrap: wrap; gap: 8px; }
.share-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.share-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #F1EFEA;
  color: var(--text-main);
  transition: all .25s;
}
.share-btn svg { width: 16px; height: 16px; }
.share-btn:hover {
  background: linear-gradient(135deg, #E4602E, #F5A54A);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(228,96,46,.25);
}
.share-btn:focus-visible { outline: 2px solid var(--brand-orange); outline-offset: 2px; }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 56px 0 60px;
  background: #EFEDE8;
}
.section-header {
  text-align: center;
  margin-bottom: 36px;
}
.section-header .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand-orange);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--brand-ink);
  letter-spacing: .01em;
  line-height: 1.3;
}
.section-header p {
  color: var(--text-muted);
  font-size: 15px;
  margin-top: 6px;
}
@media (max-width: 640px) {
  .section-header h2 { font-size: 24px; }
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border: 1px solid var(--brand-line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
  position: relative;
}
.related-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #E4602E, #F5A54A);
  opacity: 0;
  transition: opacity .3s ease;
  z-index: 2;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-card:hover::before { opacity: 1; }
.related-card a { display: block; height: 100%; }
.related-thumb { position: relative; padding-top: 62%; overflow: hidden; background: #E8E4DD; }
.related-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(23,28,31,.75);
  backdrop-filter: blur(6px);
  color: #F5A54A;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: .02em;
}
.related-info { padding: 18px 20px 16px; }
.related-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-ink);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-info h3 { color: var(--brand-orange); }
.related-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.related-footer .read-more { color: var(--brand-orange); font-weight: 500; }

@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ===== 文章 CTA ===== */
.article-cta {
  padding: 0;
  background: var(--brand-cream);
}
.cta-card {
  position: relative;
  background:
    radial-gradient(circle at 85% 15%, rgba(217,164,65,.28), transparent 42%),
    radial-gradient(circle at 10% 90%, rgba(228,96,46,.18), transparent 38%),
    #171C1F;
  border-radius: 28px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  margin-bottom: -40px;
  position: relative;
  top: -24px;
}
.cta-card::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(217,164,65,.35);
  border-radius: 50%;
}
.cta-card h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: .01em;
  position: relative;
  z-index: 1;
}
.cta-card p {
  font-size: 15px;
  color: rgba(255,255,255,.75);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) {
  .cta-card { padding: 40px 20px; border-radius: 20px; }
  .cta-card h2 { font-size: 23px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--brand-ink);
  color: #C9C4BC;
  padding: 56px 0 0;
  margin-top: 64px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p {
  font-size: 14px;
  color: rgba(201,196,188,.8);
  line-height: 1.8;
  max-width: 360px;
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(201,196,188,.8);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .25s;
}
.footer-links a::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--brand-orange);
  border-radius: 50%;
  opacity: .6;
}
.footer-links a:hover { color: #F5A54A; padding-left: 4px; }
.footer-contact p {
  font-size: 14px;
  color: rgba(201,196,188,.8);
  line-height: 1.9;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(201,196,188,.55);
}
.footer-bottom a { color: rgba(201,196,188,.65); }
.footer-bottom a:hover { color: #F5A54A; }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .site-footer { padding-top: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 浮动返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand-ink);
  color: #F5A54A;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all .35s ease;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top svg { width: 18px; height: 18px; }
.back-to-top:hover {
  background: var(--brand-orange);
  color: #fff;
  box-shadow: 0 12px 28px rgba(228,96,46,.32);
}
.back-to-top:focus-visible { outline: 2px solid var(--brand-orange); outline-offset: 3px; }
@media (max-width: 640px) {
  .back-to-top { bottom: 20px; right: 20px; }
}

/* ===== 返回链接 ===== */
.article-back {
  margin-top: 32px;
  text-align: center;
}
.article-back .btn-secondary svg { width: 15px; height: 15px; }

/* ===== 通用 section 间距 ===== */
.section-padded { padding: 60px 0; }
@media (max-width: 640px) {
  .section-padded { padding: 44px 0; }
}