/* roulang page: index */
:root {
  --primary: #2E6BE6;
  --primary-dark: #2158C4;
  --sky: #EAF2FE;
  --deep: #1B3E7C;
  --orange: #FF8A1E;
  --orange-dark: #FF7A1C;
  --bg-soft: #F6F8FC;
  --bg-white: #FFFFFF;
  --text-main: #14213D;
  --text-sub: #56709B;
  --text-faint: #8FA2C0;
  --line-light: #E4EAF3;
  --green: #1FA971;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius-lg: 16px;
  --radius-md: 8px;
  --shadow-card: 0 2px 12px rgba(27, 62, 124, 0.06);
  --shadow-hover: 0 18px 40px rgba(27, 62, 124, 0.1);
  --transition: all 0.18s cubic-bezier(0.2, 0, 0, 1);
  --section-space: 88px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg-soft);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol, dl, dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

p {
  margin: 0;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: inherit;
}

button, input, select, textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 3px solid rgba(46, 107, 230, 0.32);
  outline-offset: 2px;
  border-radius: 4px;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.grid-container .row {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding: var(--section-space) 0;
}

.section-tint {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-soft) 100%);
}

.section-white {
  background: var(--bg-white);
}

.section-subtle {
  background: var(--sky);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border: 1.5px solid transparent;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-lg {
  height: 56px;
  padding: 0 36px;
  font-size: 16px;
}

.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(46, 107, 230, 0.22);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
}

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(46, 107, 230, 0.06);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-accent {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 138, 30, 0.28);
}

.btn-accent:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(255, 138, 30, 0.32);
}

.btn-accent:active {
  transform: translateY(0) scale(0.99);
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: 72px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-light);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--deep);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  white-space: nowrap;
}

.brand:hover {
  color: var(--deep);
}

.logo-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(145deg, #2E6BE6 0%, #4584F7 100%);
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 14px rgba(46, 107, 230, 0.22);
}

.brand-name em {
  font-style: normal;
  color: var(--primary);
  margin-left: 2px;
  font-weight: 500;
  font-size: 18px;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  color: var(--deep);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--sky);
}

.nav-link.active {
  color: var(--primary);
  background: linear-gradient(180deg, rgba(46, 107, 230, 0.04), var(--sky));
  box-shadow: inset 0 -3px 0 var(--primary);
}

.header-cta {
  margin-left: 14px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px;
  border: 1px solid var(--line-light);
  border-radius: 10px;
  background: #fff;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: var(--deep);
  border-radius: 2px;
}

.nav-mask {
  display: none;
}

.nav-panel-header {
  display: none;
}

.nav-panel-foot {
  display: none;
}

@media (max-width: 1023.98px) {
  .site-header {
    height: 64px;
  }

  .header-inner {
    height: 64px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .brand {
    font-size: 20px;
  }

  .nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: min(84vw, 380px);
    height: 100vh;
    background: var(--bg-white);
    border-left: 1px solid var(--line-light);
    box-shadow: -18px 0 40px rgba(27, 62, 124, 0.14);
    transform: translateX(105%);
    visibility: hidden;
    transition: var(--transition);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    justify-content: flex-start;
    z-index: 1102;
    overflow-y: auto;
    margin-left: 0;
  }

  .nav-panel.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 8px 20px 20px;
  }

  .nav-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--line-light);
    font-weight: 700;
    color: var(--deep);
  }

  .nav-close {
    border: none;
    background: transparent;
    color: var(--deep);
    font-size: 28px;
    line-height: 1;
    padding: 0 6px;
  }

  .nav-panel-foot {
    display: block;
    padding: 12px 20px 32px;
    border-top: 1px solid var(--line-light);
    margin-top: auto;
  }

  .nav-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--deep);
    font-weight: 600;
    padding: 12px 0;
  }

  .nav-link {
    height: 48px;
    padding: 0 12px;
    font-size: 16px;
    border-radius: 8px;
  }

  .nav-link.active {
    box-shadow: inset 3px 0 0 var(--primary);
  }

  .header-cta {
    width: 100%;
    margin: 12px 0 4px;
  }

  .nav-is-open .nav-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(20, 33, 61, 0.45);
    z-index: 1101;
  }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 84px 0 68px;
  background:
    radial-gradient(circle at 88% 18%, rgba(255, 138, 30, 0.12), transparent 28%),
    linear-gradient(115deg, rgba(234, 242, 254, 0.98) 0%, rgba(234, 242, 254, 0.85) 55%, rgba(255, 255, 255, 0.94) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  overflow: hidden;
  min-height: 540px;
  display: flex;
  align-items: center;
}

.hero .grid-container {
  width: 100%;
}

.hero-grid {
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(46, 107, 230, 0.14);
  padding: 6px 14px 6px 8px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 30, 0.15);
}

.hero-title {
  margin-top: 20px;
  font-size: 44px;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--deep);
}

.hero-title .title-accent {
  color: var(--primary);
}

.hero-lead {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-sub);
  max-width: 640px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-note {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-note li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-sub);
  font-size: 14px;
}

.hero-note i {
  color: var(--green);
}

.hero-visual {
  padding: 20px 8px;
}

.hero-visual-wrap {
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(27, 62, 124, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: var(--sky);
}

.hero-visual-wrap img {
  width: 100%;
  aspect-ratio: 1 / 0.92;
  object-fit: cover;
}

.hero-float-tag {
  position: absolute;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-hover);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  border: 1px solid var(--line-light);
  bottom: 20px;
  left: 12px;
}

.hero-float-tag i {
  font-size: 20px;
  color: var(--primary);
}

.hero-float-tag strong {
  color: var(--deep);
  display: block;
  font-size: 14px;
  line-height: 1.3;
}

.hero-float-tag small {
  color: var(--text-faint);
  line-height: 1.2;
}

@media (max-width: 1023.98px) {
  .hero {
    padding: 56px 0 46px;
    min-height: auto;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-visual {
    margin-top: 28px;
  }
}

@media (max-width: 639.98px) {
  .hero {
    padding: 48px 0 32px;
  }

  .hero-title {
    font-size: 29px;
  }

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

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-note {
    flex-direction: column;
    gap: 10px;
  }
}

/* ---------- quick stats ---------- */
.stats-section {
  background: var(--bg-white);
  padding: 0 0 64px;
  margin-top: -20px;
}

.stats-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

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

.stat-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  background: var(--sky);
  color: var(--primary);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.stats-info strong {
  display: block;
  color: var(--deep);
  font-size: 21px;
  line-height: 1.4;
  margin-bottom: 4px;
}

.stats-info small {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.6;
  display: block;
}

@media (max-width: 1023.98px) {
  .stats-card {
    margin-bottom: 16px;
  }
}

@media (max-width: 639.98px) {
  .stats-section {
    margin-top: 0;
  }

  .stats-card {
    padding: 20px;
  }
}

/* ---------- section heading ---------- */
.section-head {
  max-width: 820px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.left {
  text-align: left;
  margin-left: 0;
}

.section-index {
  display: inline-block;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-index::after {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--primary);
  margin-left: 12px;
  vertical-align: middle;
}

.section-title {
  color: var(--deep);
  font-size: 30px;
  line-height: 1.35;
  font-weight: 700;
}

.section-sub {
  margin-top: 14px;
  color: var(--text-sub);
  line-height: 1.9;
  font-size: 16px;
}

@media (max-width: 767.98px) {
  .section {
    --section-space: 64px;
  }

  .section-title {
    font-size: 25px;
  }

  .section-head {
    margin-bottom: 34px;
  }
}

/* ---------- agenda ---------- */
.agenda-grid .columns {
  margin-bottom: 20px;
}

.agenda-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}

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

.agenda-header {
  padding: 20px 24px;
  background: var(--deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.agenda-header .day-label {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.8;
}

.agenda-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.agenda-list {
  padding: 10px 24px 24px;
}

.agenda-item {
  position: relative;
  padding: 18px 0 18px 28px;
  border-bottom: 1px solid var(--line-light);
}

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

.agenda-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 23px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(46, 107, 230, 0.12);
}

.agenda-item:not(.closed)::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: var(--line-light);
  transform: translateX(4px);
}

.agenda-item:last-child::after {
  display: none;
}

.agenda-time {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  display: block;
  line-height: 1.4;
}

.agenda-meta {
  margin: 6px 0 8px;
}

.agenda-title {
  font-size: 17px;
  color: var(--deep);
  font-weight: 700;
  line-height: 1.5;
}

.agenda-desc {
  margin-top: 6px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}

.agenda-role {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-faint);
}

.agenda-lock i {
  color: var(--text-faint);
  margin-right: 4px;
}

@media (max-width: 639.98px) {
  .agenda-list {
    padding: 10px 20px 20px;
  }
}

/* ---------- highlights / features ---------- */
.highlight-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.highlight-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.highlight-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--sky);
}

.highlight-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.highlight-card:hover .highlight-cover img {
  transform: scale(1.05);
}

.highlight-body {
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-grow: 1;
}

.highlight-body h3 {
  color: var(--deep);
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
}

.highlight-body p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}

.highlight-spacer {
  margin-top: auto;
}

@media (max-width: 1023.98px) and (min-width: 640px) {
  .highlight-grid .columns {
    margin-bottom: 16px;
  }
}

/* ---------- ticket ---------- */
.price-section {
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-white) 100%);
}

.price-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
}

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

.price-card.recommended {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-hover);
  transform: scale(1.02);
}

.price-card.recommended:hover {
  transform: scale(1.02) translateY(-3px);
}

.pop-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 16px;
  box-shadow: 0 6px 16px rgba(255, 138, 30, 0.28);
  white-space: nowrap;
}

.ticket-title {
  color: var(--deep);
  font-size: 19px;
  font-weight: 700;
}

.ticket-desc {
  color: var(--text-sub);
  font-size: 14px;
  margin-top: 8px;
  min-height: 46px;
}

.ticket-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0;
}

.ticket-price .currency {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.ticket-price .amount {
  font-size: 38px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1;
}

.ticket-price .unit {
  color: var(--text-sub);
  font-size: 13px;
}

.ticket-benefits {
  border-top: 1px dashed var(--line-light);
  margin: 10px 0 22px;
  padding-top: 16px;
  display: grid;
  gap: 11px;
}

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

.ticket-benefits i.fa-circle-check {
  color: var(--green);
  margin-top: 4px;
}

.ticket-benefits i.fa-circle-xmark {
  color: #C6D2E3;
  margin-top: 4px;
}

.ticket-benefits .benefit-muted {
  color: var(--text-faint);
}

.ticket-card-footer {
  margin-top: auto;
}

.ticket-remain {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.remain-bar {
  background: var(--sky);
  height: 6px;
  border-radius: 999px;
  flex: 1;
  overflow: hidden;
}

.remain-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #5A8FF0);
  border-radius: 999px;
}

@media (max-width: 1023.98px) {
  .price-card {
    margin-bottom: 16px;
  }
}

/* ---------- register ---------- */
.register-section {
  padding: 0;
  background:
    linear-gradient(135deg, rgba(27, 62, 124, 0.95), rgba(27, 62, 124, 0.82)),
    url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
}

.register-wrapper {
  padding: 72px 0;
}

.register-card {
  background: var(--bg-white);
  border-radius: 22px;
  box-shadow: var(--shadow-hover);
  padding: 44px 40px;
  overflow: hidden;
}

.register-info h2 {
  color: var(--deep);
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
}

.register-info > p {
  color: var(--text-sub);
  margin-top: 16px;
  line-height: 1.9;
}

.register-steps {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.register-steps li {
  display: flex;
  gap: 14px;
}

.step-num {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: var(--sky);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.register-steps p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}

.register-form-wrap {
  background: var(--bg-soft);
  border-radius: 18px;
  padding: 26px 24px;
  margin-top: 12px;
}

.form-title {
  color: var(--deep);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-title i {
  color: var(--primary);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 48px;
  border: 1px solid var(--line-light);
  background: #fff;
  border-radius: 10px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text-main);
  transition: var(--transition);
}

.form-group textarea {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.12);
}

.form-select {
  appearance: auto;
}

.form-submit {
  width: 100%;
  margin-top: 6px;
}

.form-success {
  margin-top: 14px;
  border: 1px solid rgba(31, 169, 113, 0.25);
  background: rgba(31, 169, 113, 0.06);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--green);
  font-size: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
}

.form-privacy {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 12px;
  text-align: center;
}

@media (max-width: 1023.98px) {
  .register-card {
    padding: 34px 24px;
  }

  .register-form-wrap {
    margin-top: 28px;
  }
}

@media (max-width: 639.98px) {
  .register-wrapper {
    padding: 60px 0;
  }

  .register-card {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .register-info h2 {
    font-size: 24px;
  }
}

/* ---------- news CMS ---------- */
.news-section {
  background: var(--bg-white);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.news-row {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.news-row:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 107, 230, 0.3);
}

.news-row-link {
  display: grid;
  grid-template-columns: 285px 1fr;
  text-decoration: none;
  color: inherit;
}

.news-thumb {
  background: var(--sky);
  overflow: hidden;
  position: relative;
  min-height: 180px;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.news-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.news-body h3 {
  color: var(--deep);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}

.news-excerpt {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.85;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  color: var(--text-faint);
  font-size: 13px;
}

.news-meta time {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.news-meta i {
  color: var(--primary);
  opacity: 0.7;
}

.news-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.news-more i {
  transition: transform 0.18s ease;
}

.news-row:hover .news-more i {
  transform: translateX(4px);
}

.news-empty {
  background: var(--bg-soft);
  border: 1px dashed var(--line-light);
  border-radius: var(--radius-lg);
  padding: 56px 20px;
  text-align: center;
  color: var(--text-faint);
}

.news-empty i {
  display: block;
  font-size: 36px;
  margin-bottom: 14px;
  color: #b7c7df;
}

.news-empty p {
  font-size: 15px;
}

@media (max-width: 767.98px) {
  .news-row-link {
    grid-template-columns: 1fr;
  }

  .news-thumb {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .news-thumb img {
    position: static;
    height: auto;
  }

  .news-body {
    padding: 18px;
  }

  .news-body h3 {
    font-size: 18px;
  }
}

/* ---------- FAQ ---------- */
.faq-section {
  background: linear-gradient(180deg, var(--bg-soft) 0%, #ffffff 100%);
}

.faq-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px 30px;
}

.faq-card .accordion-item {
  background: #fff;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--line-light);
}

.faq-card .accordion-item:last-child {
  border-bottom: 0;
}

.faq-card .accordion-title {
  margin: 0;
  padding: 20px 34px 20px 0;
  background: transparent;
  border: 0;
  color: var(--deep);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  position: relative;
  transition: var(--transition);
}

.faq-card .accordion-title:hover,
.faq-card .accordion-title:focus {
  background: transparent;
  color: var(--primary);
}

.faq-card .accordion-title::before {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 8px;
  top: 22px;
  color: var(--primary);
  font-size: 15px;
  transition: transform 0.18s ease;
}

.faq-card .accordion-item.is-active > .accordion-title::before {
  transform: rotate(180deg);
}

.faq-card .accordion-content {
  background: transparent;
  border: 0;
  color: var(--text-sub);
  line-height: 1.9;
  font-size: 15px;
  padding: 0 46px 22px 0;
}

.faq-card .accordion-content p {
  margin: 0;
}

@media (max-width: 639.98px) {
  .faq-card {
    padding: 22px 16px;
  }
}

/* ---------- soft CTA / contact banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--sky), #ffffff);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  padding: 55px 0;
}

.cta-banner .title-block h2 {
  color: var(--deep);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
}

.cta-banner .title-block p {
  color: var(--text-sub);
  font-size: 16px;
  margin-top: 12px;
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 1023.98px) {
  .cta-banner {
    padding: 44px 0;
  }

  .cta-actions {
    justify-content: flex-start;
    margin-top: 22px;
  }
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--deep);
  color: rgba(255, 255, 255, 0.82);
}

.footer-top {
  padding: 72px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 23px;
  font-weight: 700;
  line-height: 1;
}

.footer-logo .logo-mark {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #fff, #e6f0ff);
  color: var(--primary);
}

.footer-brand p {
  max-width: 320px;
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.66);
}

.footer-col h3 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-contact-list i {
  color: var(--orange);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

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

@media (max-width: 767.98px) {
  .footer-top {
    padding: 56px 0 32px;
  }

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

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

/* roulang page: category1 */
:root{
  --primary-blue:#2E6BE6;
  --primary-dark:#2158C4;
  --primary-sky:#EAF2FE;
  --deep-blue:#1B3E7C;
  --accent-orange:#FF8A1E;
  --accent-deep:#FF7A1C;
  --bg-soft:#F6F8FC;
  --bg-white:#FFFFFF;
  --text-main:#14213D;
  --text-sub:#56709B;
  --text-faint:#8FA2C0;
  --line-light:#E4EAF3;
  --state-green:#1FA971;
  --state-red:#E35C5C;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow-default:0 2px 12px rgba(27,62,124,.06);
  --shadow-hover:0 18px 40px rgba(27,62,124,.10);
  --ease:cubic-bezier(.2,0,0,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Heiti SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg-soft);
  color:var(--text-main);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--primary-blue);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--primary-dark);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
i[class*="fa-"]{line-height:1;}
.container{max-width:1200px;margin-inline:auto;padding-inline:24px;}
.section{padding:96px 0;}
.section.tight{padding:56px 0;}
.bg-white{background:var(--bg-white);}
.bg-soft{background:var(--bg-soft);}
.bg-sky{background:var(--primary-sky);}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary-blue);display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent-orange);border-radius:var(--radius-pill);}
.section-head{margin-bottom:44px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--deep-blue);letter-spacing:.01em;}
.section-head p{margin-top:10px;max-width:660px;color:var(--text-sub);font-size:16px;}
.section-head.center{text-align:center;}
.section-head.center p{margin-inline:auto;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(228,234,243,.84);
  transition:box-shadow .18s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-default);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--deep-blue);}
.brand:hover{color:var(--deep-blue);opacity:.88;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary-blue),#4B88E8);
  color:#ffffff;display:grid;place-items:center;font-size:17px;
  box-shadow:0 6px 14px rgba(46,107,230,.28);
}
.brand-name{font-weight:700;font-size:21px;letter-spacing:-.01em;color:var(--deep-blue);display:inline-flex;align-items:baseline;gap:4px;}
.brand-name em{font-style:normal;font-size:13px;font-weight:600;color:var(--primary-blue);border:1px solid rgba(46,107,230,.28);background:var(--primary-sky);line-height:1;padding:3px 8px;border-radius:var(--radius-pill);letter-spacing:.04em;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;border-radius:8px;background:var(--primary-sky);align-items:center;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--deep-blue);border-radius:2px;transition:transform .2s var(--ease),opacity .2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
.nav-panel-header{display:none;}
.site-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.site-nav .nav-link{
  font-size:15px;font-weight:500;color:var(--text-main);
  line-height:72px;padding:0 12px;position:relative;display:inline-block;white-space:nowrap;
}
.site-nav .nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--primary-blue);transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);}
.site-nav .nav-link:hover{color:var(--primary-blue);}
.site-nav .nav-link:focus-visible{outline:2px solid var(--primary-blue);outline-offset:2px;border-radius:4px;}
.site-nav .nav-link.active{color:var(--primary-blue);}
.site-nav .nav-link.active::after{transform:scaleX(1);}
.header-cta{margin-left:8px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--radius-md);
  font-weight:600;font-size:15px;line-height:1;
  transition:transform .18s var(--ease),background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{opacity:1;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:3px solid rgba(46,107,230,.3);outline-offset:2px;}
.btn-primary{background:var(--primary-blue);color:#ffffff;box-shadow:0 10px 20px rgba(46,107,230,.2);}
.btn-primary:hover{background:var(--primary-dark);color:#ffffff;box-shadow:var(--shadow-hover);}
.btn-line{background:transparent;color:var(--primary-blue);border:1.5px solid rgba(46,107,230,.6);}
.btn-line:hover{background:var(--primary-sky);border-color:var(--primary-blue);color:var(--primary-blue);}
.btn-accent{background:linear-gradient(135deg,var(--accent-orange),var(--accent-deep));color:#ffffff;box-shadow:0 10px 22px rgba(255,138,30,.28);}
.btn-accent:hover{color:#ffffff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,28,.35);}
.btn-sm{min-height:38px;padding:0 18px;font-size:13px;}
.btn-lg{min-height:52px;padding:0 36px;font-size:16px;}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-sub);margin-bottom:26px;}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary-blue);}
.breadcrumb span.sep{color:var(--text-faint);}

/* Category hero */
.cat-hero{
  position:relative;
  background:linear-gradient(100deg,rgba(234,242,254,.98) 0%,rgba(234,242,254,.90) 46%,rgba(234,242,254,.72) 100%),url("/assets/images/backpic/back-2.webp") center/cover;
  padding:92px 0 96px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:rgba(46,107,230,.08);pointer-events:none;
}
.hero-grid{display:flex;gap:56px;align-items:center;position:relative;z-index:2;}
.hero-copy{flex:1 1 58%;}
.hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;}
.badge{display:inline-block;padding:5px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:500;}
.badge-blue{background:var(--primary-sky);color:var(--primary-blue);}
.badge-orange{background:linear-gradient(135deg,var(--accent-orange),var(--accent-deep));color:#ffffff;box-shadow:0 6px 14px rgba(255,138,30,.2);}
.badge-green{background:#E7F7F0;color:var(--state-green);}
.badge-outline{border:1px solid rgba(27,62,124,.18);color:var(--deep-blue);background:rgba(255,255,255,.8);}
.cat-hero h1{font-size:44px;line-height:1.25;font-weight:700;color:var(--deep-blue);letter-spacing:-.01em;margin:14px 0 20px;}
.cat-hero h1 .brand-inline{color:var(--primary-blue);white-space:nowrap;}
.hero-sub{font-size:17px;line-height:2;color:var(--text-sub);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-panel{
  flex:1 1 38%;background:rgba(255,255,255,.92);border:1px solid rgba(228,234,243,.9);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-hover);backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:17px;font-weight:700;color:var(--deep-blue);display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.hero-panel h2 .panel-ico{width:34px;height:34px;border-radius:9px;background:var(--primary-sky);color:var(--primary-blue);display:grid;place-items:center;font-size:15px;}
.hero-panel>p{font-size:14px;color:var(--text-sub);line-height:1.9;margin-bottom:20px;}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mini-stat{background:var(--bg-soft);border:1px solid var(--line-light);border-radius:12px;padding:14px 14px 12px;transition:background .18s ease,border-color .18s ease;}
.mini-stat:hover{background:var(--primary-sky);border-color:#cfe0fa;}
.mini-stat b{display:block;font-size:21px;line-height:1.3;color:var(--primary-blue);font-weight:700;}
.mini-stat span{font-size:12px;color:var(--text-sub);line-height:1.6;}

/* data band */
.eco-data-bar{background:var(--bg-white);border-bottom:1px solid var(--line-light);padding:30px 0;}
.eco-data-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.eco-data-item{display:flex;gap:16px;align-items:center;padding:10px 8px;}
.eco-data-icon{width:48px;height:48px;border-radius:14px;background:var(--primary-sky);color:var(--primary-blue);display:grid;place-items:center;font-size:20px;flex-shrink:0;}
.eco-data-text b{display:block;font-size:17px;font-weight:700;color:var(--deep-blue);line-height:1.4;}
.eco-data-text span{font-size:13px;color:var(--text-faint);line-height:1.5;}
/* card icon */
.icon-badge{
  width:46px;height:46px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;background:var(--primary-sky);color:var(--primary-blue);flex-shrink:0;
}
/* generic */
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-blue);margin-top:18px;}
.more-link i{transition:transform .18s var(--ease);}
.more-link:hover i{transform:translateX(4px);}

/* feature featured block with unique layout */
.eco-layout{display:grid;grid-template-columns:0.95fr 1.05fr;gap:28px;align-items:stretch;}
.eco-feature-card{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:300px;
  display:flex;align-items:flex-end;box-shadow:var(--shadow-default);background:var(--deep-blue);
}
.eco-feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.86;transition:transform .3s ease;}
.eco-feature-card:hover img{transform:scale(1.03);}
.eco-feature-overlay{position:relative;z-index:2;padding:22px 22px 26px;background:linear-gradient(0deg,rgba(4,20,48,.86),rgba(4,20,48,.04));color:#ffffff;}
.eco-feature-overlay .tag{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;letter-spacing:.04em;margin-bottom:10px;color:#fff;}
.eco-feature-overlay h3{font-size:24px;font-weight:700;line-height:1.4;color:#fff;margin-bottom:8px;}
.eco-feature-overlay p{color:rgba(255,255,255,.88);font-size:14px;line-height:1.9;margin-bottom:12px;}
.btn-light-inline{color:#fff;border:1px solid rgba(255,255,255,.7);padding:8px 16px;border-radius:999px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;transition:background .18s ease,color .18s ease;}
.btn-light-inline:hover{background:#fff;color:var(--deep-blue);}
.eco-card-list{display:grid;gap:16px;}
.eco-mini-card{
  background:var(--bg-white);border:1px solid var(--line-light);border-radius:var(--radius-lg);
  padding:23px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--shadow-default);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s var(--ease);
}
.eco-mini-card:hover{border-color:rgba(46,107,230,.36);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.eco-mini-card h3{font-size:18px;font-weight:600;color:var(--deep-blue);line-height:1.4;margin:6px 0 6px;}
.eco-mini-card p{font-size:14px;color:var(--text-sub);line-height:1.8;}
.eco-mini-card .mini-num{font-size:12px;color:var(--text-faint);line-height:1;font-weight:600;letter-spacing:.08em;}
/* class ecosystem catalog cards */
.eco-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.eco-card{
  background:var(--bg-white);border:1px solid var(--line-light);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-default);position:relative;
  transition:transform .18s var(--ease),box-shadow .18s ease,border-color .18s ease;
}
.eco-card:hover{box-shadow:var(--shadow-hover);border-color:rgba(46,107,230,.36);transform:translateY(-5px);}
.eco-card .icon-badge{margin-bottom:20px;}
.eco-card h3{font-size:20px;font-weight:600;color:var(--deep-blue);line-height:1.45;margin:4px 0 10px;}
.eco-card p{font-size:14px;color:var(--text-sub);line-height:1.85;margin-bottom:14px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.tag-row span{font-size:12px;color:var(--text-sub);background:var(--bg-soft);border:1px solid var(--line-light);padding:3px 10px;border-radius:var(--radius-pill);line-height:1.7;}

/* stage section with image + bullet */
.eco-stage-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.eco-stage-img{position:relative;min-height:360px;}
.eco-stage-img img{border-radius:var(--radius-lg);height:100%;width:100%;object-fit:cover;box-shadow:var(--shadow-hover);}
.eco-stage-float{
  position:absolute;left:-28px;bottom:28px;background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line-light);
  box-shadow:var(--shadow-hover);padding:16px 18px;max-width:220px;display:flex;gap:12px;align-items:center;
}
.stage-float-copy b{display:block;font-size:15px;color:var(--deep-blue);line-height:1.4;}
.stage-float-copy span{display:block;font-size:12px;color:var(--text-sub);line-height:1.6;}
.eco-points{display:grid;gap:16px;}
.eco-point{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-default);
}
.eco-point-num{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--primary-blue);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;box-shadow:0 8px 16px rgba(46,107,230,.22);
}
.eco-point-body h3{font-size:17px;color:var(--deep-blue);font-weight:600;line-height:1.4;margin-bottom:6px;}
.eco-point-body p{font-size:14px;color:var(--text-sub);line-height:1.8;}
/* supportive strips */
.feature-strip{background:var(--deep-blue);color:rgba(255,255,255,.92);}
.feature-strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.feature-strip-item{padding:32px 4px;border-left:1px solid rgba(255,255,255,.16);padding-left:28px;}
.feature-strip-item:first-child{border-left:0;padding-left:0;}
.feature-strip-item i{font-size:26px;color:#FFB15C;margin-bottom:16px;display:inline-block;}
.feature-strip-item h3{color:#ffffff;font-size:19px;font-weight:600;margin:18px 0 8px;}
.feature-strip-item p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;}

/* steps */
.step-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:ecoStep;}
.step-item{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-lg);padding:26px 24px;
  position:relative;box-shadow:var(--shadow-default);transition:transform .18s var(--ease),box-shadow .18s;
}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.step-tag{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--primary-sky);color:var(--primary-blue);font-weight:700;font-size:15px;margin-bottom:24px;}
.step-item h3{font-size:17px;color:var(--deep-blue);font-weight:600;margin-bottom:10px;line-height:1.4;}
.step-item p{font-size:14px;line-height:1.85;color:var(--text-sub);}

/* FAQ */
.faq-eco{max-width:880px;margin:0 auto;}
.faq-item{border:1px solid var(--line-light);border-radius:var(--radius-lg);background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:0 2px 10px rgba(27,62,124,.03);transition:border-color .18s ease;}
.faq-item.is-open{border-color:rgba(46,107,230,.36);box-shadow:var(--shadow-default);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:18px 22px;font-size:16px;color:var(--deep-blue);font-weight:600;transition:background .18s ease;
}
.faq-q:hover{background:#FBFDFF;}
.faq-q:focus-visible{outline:3px solid rgba(46,107,230,.34);outline-offset:-3px;border-radius:14px;}
.faq-q i{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--primary-sky);color:var(--primary-blue);display:grid;place-items:center;font-size:12px;transition:transform .3s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);background:var(--primary-blue);color:#fff;}
.faq-a{display:none;padding:0 22px 22px;color:var(--text-sub);font-size:15px;line-height:2;border-top:1px dashed var(--line-light);margin-top:0;}
.faq-item.is-open .faq-a{display:block;padding-top:16px;}
.faq-a strong{color:var(--text-main);}
/* register CTA */
.cta-region{background:var(--primary-sky);}
.cta-box{
  background:#fff;border-radius:22px;padding:40px;box-shadow:var(--shadow-hover);
  display:grid;grid-template-columns:1fr 0.95fr;gap:46px;border:1px solid #e1ecfd;overflow:hidden;position:relative;
}
.cta-copy h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--deep-blue);margin-bottom:14px;}
.cta-copy p{color:var(--text-sub);font-size:15px;line-height:1.9;max-width:520px;}
.contact-list{display:grid;gap:10px;margin-top:20px;}
.contact-list li{display:flex;gap:10px;align-items:center;font-size:15px;color:var(--text-main);}
.contact-list li i{color:var(--primary-blue);width:18px;text-align:center;font-size:15px;}
.contact-list li a{font-weight:600;}
.cta-form-card{background:var(--bg-soft);border-radius:var(--radius-lg);padding:28px 28px 24px;border:1px solid var(--line-light);}
.cta-form-card h3{font-size:18px;color:var(--deep-blue);font-weight:600;margin-bottom:16px;}
.eco-form .field{margin-bottom:15px;}
.eco-form label{display:block;font-size:14px;font-weight:600;color:var(--text-main);margin-bottom:7px;}
.eco-form input,.eco-form select{
  width:100%;height:48px;border:1px solid var(--line-light);border-radius:var(--radius-md);
  background:#fff;padding:0 14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s;
  outline:none;color:var(--text-main);
}
.eco-form input:focus,.eco-form select:focus{border-color:var(--primary-blue);box-shadow:0 0 0 3px rgba(46,107,230,.12);}
.form-note{font-size:13px;color:var(--text-faint);line-height:1.8;margin-top:12px;}
/* next cards */
.next-strip{background:var(--bg-white);}
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.next-card{
  border:1px solid var(--line-light);border-radius:var(--radius-lg);padding:24px 26px;background:var(--bg-soft);
  display:flex;justify-content:space-between;align-items:center;gap:24px;transition:background .18s ease,border-color .18s ease,box-shadow .18s;
}
.next-card:hover{background:#fff;border-color:rgba(46,107,230,.3);box-shadow:var(--shadow-hover);}
.next-body h3{font-size:18px;color:var(--deep-blue);font-weight:600;margin-bottom:8px;}
.next-body p{font-size:14px;color:var(--text-sub);line-height:1.8;}
.next-more{width:44px;height:44px;border-radius:50%;background:var(--primary-sky);color:var(--primary-blue);display:grid;place-items:center;font-size:15px;flex-shrink:0;transition:background .18s ease,color .18s ease;}

/* footer */
.site-footer{background:var(--deep-blue);color:rgba(255,255,255,.72);}
.footer-top{padding:68px 0 36px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:44px;}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;}
.footer-logo:hover{color:#fff;opacity:.9;}
.footer-logo .logo-mark{background:var(--primary-blue);box-shadow:0 6px 16px rgba(2,12,30,.25);}
.footer-brand p{font-size:14px;line-height:2;margin-top:18px;max-width:340px;color:rgba(255,255,255,.66);}
.footer-col h3{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14px;line-height:2.2;transition:color .18s ease,transform .18s var(--ease);}
.footer-col a:hover{color:#fff;transform:translateX(4px);}
.footer-contact-list{display:grid;gap:10px;}
.footer-contact-list li{display:flex;gap:10px;align-items:center;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact-list i{color:#FFAF5F;width:16px;text-align:center;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;}
.footer-bottom .grid-container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.5);line-height:1.8;}
/* nav panel mask */
.nav-mask{position:fixed;inset:0;z-index:60;background:rgba(4,20,48,.5);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .25s;display:none;}
.nav-phone{display:inline-flex;align-items:center;gap:8px;color:#fff;font-size:14px;font-weight:500;}

/* responsive */
@media(max-width:1023px){
  .section{padding:72px 0;}
  .nav-panel{
    position:fixed;top:0;right:0;bottom:0;width:min(78vw,360px);z-index:90;background:#fff;
    box-shadow:-18px 0 40px rgba(8,24,60,.2);padding:24px 26px 30px;overflow:auto;
    transform:translateX(105%);transition:transform .28s var(--ease);display:flex;flex-direction:column;
  }
  .nav-panel.is-open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .nav-panel-header{
    display:flex;justify-content:space-between;align-items:center;color:var(--deep-blue);
    font-size:17px;font-weight:700;padding-bottom:14px;border-bottom:1px solid var(--line-light);margin-bottom:8px;
  }
  .nav-close{width:34px;height:34px;border-radius:50%;background:var(--bg-soft);font-size:22px;color:var(--text-sub);line-height:1;display:grid;place-items:center;}
  .nav-close:hover{background:var(--primary-sky);color:var(--primary-blue);}
  .site-nav{flex-direction:column;align-items:stretch;gap:0;flex:1 1 auto;padding-top:6px;}
  .site-nav .nav-link{line-height:52px;border-bottom:1px solid #f0f4fb;font-size:16px;display:block;padding:0 4px;}
  .site-nav .nav-link::after{display:none;}
  .site-nav .nav-link.active{background:linear-gradient(90deg,var(--primary-sky),transparent);border-radius:8px;padding-left:12px;}
  .nav-panel-header span{display:inline-flex;align-items:center;gap:8px;}
  .nav-panel-header .header-brand-mini{font-weight:700;}
  .btn-header-cta{width:100%;justify-content:center;margin-top:18px;}
  .header-cta{display:none;}
  .hero-grid{flex-direction:column;gap:34px;}
  .cat-hero{padding:64px 0 76px;}
  .cat-hero h1{font-size:35px;}
  .eco-data-list{grid-template-columns:1fr 1fr;gap:8px;}
  .eco-data-item{padding:5px 4px;}
  .eco-layout,.eco-stage-wrap,.cta-box{grid-template-columns:1fr;}
  .eco-feature-card{min-height:340px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .eco-card-grid,.step-wrap{grid-template-columns:1fr 1fr;}
  .feature-strip-grid{grid-template-columns:1fr;}
  .feature-strip-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.1);margin-top:8px;padding-top:20px;}
}
@media(max-width:639px){
  .section{padding:56px 0;}
  .cat-hero h1{font-size:28px;line-height:1.35;}
  .hero-sub{font-size:15px;line-height:1.95;}
  .section-head h2{font-size:26px;}
  .eco-data-list{grid-template-columns:1fr;}
  .eco-card-grid,.step-wrap,.next-grid{grid-template-columns:1fr;}
  .eco-catalog-grid{grid-template-columns:1fr;}
  .eco-stage-wrapper{grid-template-columns:1fr;}
  .eco-form-inner{grid-template-columns:1fr;}
  .cta-box{padding:26px 22px;}
  .cta-copy h2{font-size:24px;}
  .cta-form-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .grid-container{flex-direction:column;align-items:flex-start;}
  .mini-stats{grid-template-columns:1fr 1fr;}
  .breadcrumb{font-size:12px;}
  .eco-stage-img{min-height:270px;}
  .eco-feature-card{min-height:280px;}
  .eco-feature-overlay h3{font-size:20px;}
  .brand-name{font-size:19px;}
  .header-inner{min-height:64px;padding:0 16px;}
  .container{padding-inline:16px;}
}
@media print{
  .site-header,.nav-mask,.cta-region,.footer-top,.next-strip{display:none;}
  body{background:#fff;}
  .section{padding:20px 0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::after,*::before{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --primary-blue:#2E6BE6;
  --primary-blue-dark:#2158C4;
  --sky-blue:#EAF2FE;
  --deep-blue:#1B3E7C;
  --accent-orange:#FF8A1E;
  --accent-orange-dark:#FF7A1C;
  --bg-soft:#F6F8FC;
  --bg-white:#FFFFFF;
  --text-main:#14213D;
  --text-sub:#56709B;
  --text-faint:#8FA2C0;
  --line-light:#E4EAF3;
  --state-green:#1FA971;
  --danger:#E5484D;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-sm:0 2px 12px rgba(27,62,124,.06);
  --shadow-lg:0 18px 40px rgba(27,62,124,.10);
  --transition:180ms cubic-bezier(.2,0,0,1);
}
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Heiti SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg-soft);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary-blue);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-blue-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
i,em{font-style:normal}
ul{list-style:none}

.grid-container{max-width:1200px}
.site-header{
  position:sticky;top:0;z-index:300;
  height:72px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(228,234,243,.6);
  backdrop-filter:blur(12px);
  transition:box-shadow var(--transition),border-color var(--transition);
}
.site-header.is-scrolled{
  border-bottom-color:transparent;
  box-shadow:var(--shadow-sm);
}
.header-inner{
  display:flex;align-items:center;
  width:100%;height:100%;
  gap:18px;
  position:relative;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,var(--primary-blue),#174B9E);
  color:#fff;font-size:18px;
  border-radius:10px;
  box-shadow:0 8px 16px rgba(46,107,230,.22);
  transition:transform var(--transition);
}
.brand:hover .logo-mark{transform:translateY(-2px)}
.brand:hover{color:var(--deep-blue)}
.brand-name{
  color:var(--deep-blue);
  font-size:21px;font-weight:800;
  letter-spacing:.01em;
}
.brand-name em{
  color:var(--primary-blue);
  margin-left:1px;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  margin-left:auto;
  background:var(--bg-white);
  border:1px solid var(--line-light);
  border-radius:var(--radius-sm);
  align-items:center;justify-content:center;
  gap:4px;
  box-shadow:var(--shadow-sm);
}
.nav-toggle span{
  display:block;width:16px;height:2px;
  background:var(--deep-blue);
  border-radius:999px;
  transition:opacity var(--transition),transform var(--transition);
}
.nav-toggle span:nth-child(2){width:11px}
.site-header.nav-open .nav-toggle span:first-child{transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:last-child{transform:translateY(-7px) rotate(-45deg)}
.nav-panel{
  flex:1;
  display:flex;align-items:center;
  justify-content:space-between;
  gap:14px;
  min-width:0;
}
.site-nav{
  display:flex;align-items:center;
  gap:24px;
}
.nav-link{
  position:relative;
  color:var(--deep-blue);
  font-weight:500;
  font-size:15px;
  padding:8px 0;
  line-height:1.2;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:-2px;
  height:3px;
  border-radius:999px;
  background:var(--primary-blue);
  transition:right var(--transition);
}
.nav-link:hover{color:var(--primary-blue)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--primary-blue);font-weight:600}
.nav-link.active::after{right:0}
.nav-panel-header,.nav-panel-foot{display:none}
.header-cta{
  margin-left:auto;
  flex-shrink:0;
}
.nav-mask{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:10px;
  font-size:15px;font-weight:600;
  transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  line-height:1;
}
.btn:hover{color:#fff}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--primary-blue);
  color:#fff;
  box-shadow:0 10px 20px rgba(46,107,230,.18);
}
.btn-primary:hover{
  background:var(--primary-blue-dark);
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  border:1.5px solid var(--primary-blue);
  color:var(--primary-blue);
}
.btn-outline:hover{
  background:#F2F7FF;
  color:var(--primary-blue-dark);
  transform:translateY(-2px);
}
.btn-accent{
  background:linear-gradient(145deg,var(--accent-orange),var(--accent-orange-dark));
  color:#fff;
  box-shadow:0 10px 22px rgba(255,138,30,.24);
}
.btn-accent:hover{
  color:#fff;
  box-shadow:0 14px 28px rgba(255,138,30,.28);
  transform:translateY(-2px);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:999px}

.site-footer{
  background:var(--deep-blue);
  color:#DCE5F5;
}
.footer-top{padding:60px 0 42px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr .9fr 1.15fr;
  gap:44px;
}
.footer-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-logo .logo-mark{
  width:34px;height:34px;
  font-size:15px;
  border-radius:9px;
}
.footer-logo:hover{color:#fff}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:#B7C6E3;
  max-width:360px;
}
.footer-col h3{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col a{
  display:block;
  color:#B7C6E3;
  padding:5px 0;
  font-size:14px;
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-contact-list li{
  display:flex;align-items:center;
  font-size:14px;
  color:#C9D5EC;
  padding:6px 0;
}
.footer-contact-list i{
  width:22px;color:#6E91D8;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
}
.footer-bottom .grid-container{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
}
.footer-bottom span{
  font-size:13px;
  color:#99AECF;
}

/* article top */
.article-page-top{
  position:relative;
  background-color:var(--sky-blue);
  background-image:linear-gradient(135deg,rgba(255,255,255,.72),rgba(234,242,254,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:36px 0 30px;
  overflow:hidden;
}
.crumb-nav{
  display:flex;align-items:center;flex-wrap:wrap;
  font-size:14px;
  color:var(--text-sub);
  margin-bottom:20px;
}
.crumb-nav a{color:var(--text-sub)}
.crumb-nav a:hover{color:var(--primary-blue)}
.crumb-sep{margin:0 8px;color:var(--text-faint)}
.article-kicker{
  display:inline-block;
  background:rgba(46,107,230,.12);
  color:var(--primary-blue);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.article-h1{
  color:var(--deep-blue);
  font-size:36px;
  line-height:1.35;
  font-weight:700;
  max-width:880px;
  margin-bottom:18px;
  letter-spacing:.01em;
}
.article-meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px;
  font-size:14px;
  color:var(--text-sub);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--text-faint)}
.meta-date strong{color:var(--text-main);font-weight:600}
.article-main-section{
  padding:38px 0 48px;
}
.article-layout{
  align-items:stretch;
}
.article-main-cell{
  padding-bottom:20px;
}
.article-main-card{
  background:var(--bg-white);
  border:1px solid var(--line-light);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:42px 44px;
  min-height:420px;
}
.article-cover{
  border-radius:14px;
  overflow:hidden;
  margin-bottom:30px;
  box-shadow:var(--shadow-sm);
  background:var(--sky-blue);
}
.article-cover img{
  width:100%;
  aspect-ratio:16/8.2;
  object-fit:cover;
}
.article-body{
  color:#263350;
  font-size:16px;
  line-height:2;
}
.article-body > * + *{margin-top:22px}
.article-body h2{
  font-size:25px;
  color:var(--deep-blue);
  font-weight:700;
  line-height:1.4;
  margin-top:42px;
  border-left:4px solid var(--primary-blue);
  padding-left:16px;
}
.article-body h3{
  font-size:20px;
  color:var(--text-main);
  font-weight:600;
  margin-top:28px;
}
.article-body p{color:#2C3A54}
.article-body a{text-decoration:underline;text-underline-offset:4px}
.article-body ul,.article-body ol{padding-left:22px}
.article-body ul li::marker{color:var(--primary-blue)}
.article-body ol li::marker{color:var(--primary-blue)}
.article-body blockquote{
  background:var(--sky-blue);
  border-left:4px solid var(--primary-blue);
  border-radius:8px;
  padding:18px 22px;
  color:var(--deep-blue);
  font-weight:500;
}
.article-body blockquote p{margin:0}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  background:#fff;
}
.article-body th{
  background:#1B3E7C;
  color:#fff;
  padding:12px 14px;
  text-align:left;
}
.article-body td{
  border-bottom:1px solid var(--line-light);
  padding:10px 14px;
}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--text-faint);
  padding-top:8px;
}
.article-body img{border-radius:12px;margin:10px 0}
.article-not-found{
  padding:72px 24px;
  text-align:center;
  background:var(--bg-soft);
  border:1px dashed #C8D5F0;
  border-radius:14px;
}
.article-not-found p{
  color:var(--deep-blue);
  font-weight:600;
  font-size:20px;
  margin-bottom:24px;
}
.article-end-mark{
  text-align:center;
  margin-top:46px;
  padding-top:24px;
  border-top:1px solid var(--line-light);
  color:var(--text-faint);
  font-size:13px;
  letter-spacing:.6em;
}
.article-after-nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;
  margin-top:18px;
  flex-wrap:wrap;
}
.after-nav-btn{
  display:inline-flex;
  align-items:center;gap:8px;
  padding:10px 16px;
  border:1px solid var(--line-light);
  border-radius:10px;
  color:var(--text-sub);
  font-size:14px;
  background:#fff;
  transition:all var(--transition);
}
.after-nav-btn:hover{
  border-color:var(--primary-blue);
  color:var(--primary-blue);
  box-shadow:var(--shadow-sm);
  transform:translateY(-2px);
}
.after-nav-btn i{font-size:12px}

/* sidebar */
.article-side-cell{padding-bottom:20px}
.article-side-sticky{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.sidebar-block{
  background:var(--bg-white);
  border:1px solid var(--line-light);
  border-radius:14px;
  padding:22px 20px;
  box-shadow:var(--shadow-sm);
}
.sidebar-block-title{
  display:flex;align-items:center;gap:8px;
  color:var(--deep-blue);
  font-size:16px;font-weight:700;
  margin-bottom:16px;
}
.sidebar-block-title i{color:var(--primary-blue)}
.sidebar-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-item{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--sky-blue);
  color:var(--primary-blue);
  font-weight:500;
  transition:background var(--transition),color var(--transition);
}
a.tag-item:hover{
  background:var(--primary-blue);
  color:#fff;
}
.sidebar-block p.block-desc{
  font-size:14px;
  color:var(--text-sub);
  line-height:1.9;
  margin-bottom:14px;
}
.related-list{
  display:flex;flex-direction:column;
  gap:16px;
}
.related-item{
  display:flex;align-items:center;gap:12px;
  padding-bottom:16px;
  border-bottom:1px dashed var(--line-light);
}
.related-item:last-child{
  padding-bottom:0;
  border-bottom:0;
}
.related-thumb{
  width:78px;height:60px;
  flex-shrink:0;
  border-radius:8px;
  overflow:hidden;
  background:var(--sky-blue);
  box-shadow:0 4px 12px rgba(27,62,124,.06);
}
.related-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .2s ease;
}
.related-item:hover .related-thumb img{transform:scale(1.05)}
.related-info{min-width:0;flex:1}
.related-info h4{
  font-size:14px;
  font-weight:600;
  line-height:1.5;
  color:var(--text-main);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:4px;
}
.related-item:hover .related-info h4{color:var(--primary-blue)}
.related-meta{
  font-size:12px;
  color:var(--text-faint);
  display:flex;align-items:center;gap:6px;
}
.related-meta i{font-size:11px}
.article-back-btn{
  display:inline-flex;
  align-items:center;justify-content:center;
  gap:6px;
  width:100%;
  height:44px;
  background:var(--sky-blue);
  color:var(--primary-blue);
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  transition:all var(--transition);
}
.article-back-btn:hover{
  background:var(--primary-blue);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}

/* bottom CTA */
.article-cta-strip{
  position:relative;
  margin-top:8px;
  padding:40px 0;
  background:linear-gradient(120deg,#EAF4FF,#FFFFFF);
  border-top:1px solid #D8E7FA;
  overflow:hidden;
}
.article-cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.article-cta-copy h2{
  color:var(--deep-blue);
  font-size:24px;
  margin-bottom:10px;
}
.article-cta-copy p{color:var(--text-sub);font-size:15px;max-width:640px}
.article-cta-actions{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.article-cta-strip .btn-outline{background:#fff}

@media print{
  .site-header,.site-footer,.article-side-cell,.article-cta-strip{display:none!important}
  .article-main-card{border:0;box-shadow:none;padding:0}
  body{background:#fff}
  .article-page-top{padding:0;background:#fff}
  .article-h1{font-size:26px}
}
@keyframes navFade{
  from{opacity:0;transform:translateX(12px)}
  to{opacity:1;transform:translateX(0)}
}
@media screen and (max-width:1023.98px){
  .header-inner{gap:12px}
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
    align-items:center;
  }
  .site-header{
    height:64px;
  }
  .nav-panel{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(320px,86vw);
    background:#fff;
    padding:20px;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    transform:translateX(105%);
    opacity:.98;
    transition:transform .28s cubic-bezier(.2,0,0,1);
    box-shadow:-12px 0 32px rgba(27,62,124,.14);
    z-index:500;
    overflow-y:auto;
  }
  .site-header.nav-open .nav-panel{
    transform:translateX(0);
    animation:navFade .25s ease both;
  }
  .nav-panel-header{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--line-light);
    margin-bottom:14px;
    color:var(--deep-blue);
    font-weight:700;font-size:17px;
  }
  .nav-close{
    width:34px;height:34px;
    background:var(--bg-soft);
    border:0;
    border-radius:50%;
    color:var(--text-main);
    font-size:20px;
    line-height:1;
  }
  .site-nav{
    flex-direction:column;
    align-items:stretch;
    flex:1;
    gap:4px;
  }
  .nav-link{
    display:flex;align-items:center;
    min-height:46px;
    font-size:16px;
    border-radius:10px;
    padding:0 12px;
  }
  .nav-link.active{
    background:#EEF5FF;
    color:var(--primary-blue);
  }
  .nav-link::after{display:none}
  .nav-panel-foot{
    display:block;
    border-top:1px solid var(--line-light);
    padding-top:14px;
    margin-top:6px;
  }
  .nav-phone{
    display:flex;align-items:center;gap:8px;
    color:var(--primary-blue);
    font-weight:600;
    font-size:15px;
    padding:10px 0;
  }
  .header-cta{display:inline-flex;justify-content:center;margin-top:6px}
  .nav-mask{
    display:block;
    position:fixed;
    inset:0;
    background:rgba(20,33,61,.45);
    opacity:0;
    visibility:hidden;
    z-index:250;
    transition:opacity var(--transition),visibility var(--transition);
  }
  .site-header.nav-open .nav-mask{
    opacity:1;
    visibility:visible;
  }

  .article-page-top{padding:28px 0 24px}
  .article-h1{font-size:28px}
  .article-main-card{padding:26px 20px}
  .article-cover img{aspect-ratio:16/8.6}
  .article-body{font-size:15px}
  .article-body h2{font-size:21px}
  .footer-top{padding:44px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .brand-name{font-size:19px}
  .article-h1{font-size:24px;line-height:1.5}
  .article-meta-row{gap:10px;font-size:13px}
  .article-main-section{padding-top:0}
  .article-main-card{
    border-radius:0;
    border-left:0;border-right:0;
    padding:24px 18px;
  }
  .article-body h3{font-size:18px}
  .article-cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .article-cta-copy h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .grid-container{
    flex-direction:column;
    text-align:center;
  }
  .article-after-nav{
    flex-direction:column;
    align-items:stretch;
  }
  .after-nav-btn{justify-content:center}
  .article-body blockquote{padding:14px 16px}
}

/* roulang page: category2 */
:root {
  --primary-blue: #2E6BE6;
  --primary-deep: #2158C4;
  --deep-blue: #1B3E7C;
  --sky-blue: #EAF2FE;
  --bg-soft: #F6F8FC;
  --accent-orange: #FF8A1E;
  --accent-deep: #FF7A1C;
  --text-main: #14213D;
  --text-sub: #56709B;
  --text-faint: #8FA2C0;
  --line-light: #E4EAF3;
  --state-green: #1FA971;
  --bg-white: #FFFFFF;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-default: 0 2px 12px rgba(27, 62, 124, 0.06);
  --shadow-hover: 0 18px 40px rgba(27, 62, 124, 0.10);
  --transition-speed: 180ms;
  --ease-smooth: cubic-bezier(0.2, 0, 0, 1);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary-blue); text-decoration: none; transition: color 180ms var(--ease-smooth), background-color 180ms var(--ease-smooth), border-color 180ms var(--ease-smooth), box-shadow 180ms var(--ease-smooth), opacity 180ms var(--ease-smooth); }

a:hover { color: var(--primary-deep); }

ul, ol { padding: 0; list-style-position: inside; }

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

input, select, textarea { font-family: inherit; }

.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

.grid-container { max-width: 1200px; }

.section-sep { height: 88px; }
@media (max-width: 640px) { .section-sep { height: 60px; } }

::-moz-selection { background: rgba(46, 107, 230, 0.18); }
::selection { background: rgba(46, 107, 230, 0.18); }

:focus-visible { outline: 2px solid var(--primary-blue); outline-offset: 3px; border-radius: 4px; }

/* ------------------------------- header ------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: 72px;
  box-shadow: 0 1px 0 rgba(27, 62, 124, 0.06);
  transition: box-shadow 220ms var(--ease-smooth);
}

.site-header.scrolled { box-shadow: 0 2px 12px rgba(27, 62, 124, 0.08); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

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

.brand .logo-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(145deg, #2E6BE6, #1B3E7C);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  box-shadow: 0 4px 14px rgba(46, 107, 230, 0.28);
}

.brand-name {
  font-size: 20px; font-weight: 700; color: var(--deep-blue); letter-spacing: 0.5px;
}

.brand-name em {
  font-style: normal;
  color: var(--primary-blue);
  font-weight: 700;
  background: var(--sky-blue);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 14px;
  margin-left: 4px;
}

.nav-panel { display: flex; align-items: center; flex: 1; justify-content: space-between; }

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

.site-nav .nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 8px;
  transition: color 180ms var(--ease-smooth), background-color 180ms var(--ease-smooth);
}

.site-nav .nav-link:hover { color: var(--primary-blue); background: rgba(46, 107, 230, 0.06); }

.site-nav .nav-link.active { color: var(--primary-blue); font-weight: 600; }

.site-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--primary-blue);
}

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line-light);
  background: var(--bg-white);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color 180ms var(--ease-smooth);
}

.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--deep-blue); border-radius: 4px; transition: transform 180ms var(--ease-smooth), opacity 180ms var(--ease-smooth); }

.nav-toggle:hover { border-color: var(--primary-blue); }

.nav-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 33, 61, 0.5);
  z-index: 109;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms var(--ease-smooth);
}

.nav-panel-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line-light);
  font-size: 20px; font-weight: 700; color: var(--deep-blue);
}

.nav-panel-foot {
  display: none;
  padding: 20px 24px 32px;
  border-top: 1px solid var(--line-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0.4px;
  border: 1.5px solid transparent;
  transition: all 180ms cubic-bezier(0.2, 0, 0, 1);
  white-space: nowrap;
}

.btn-primary { background: var(--primary-blue); color: #fff; }

.btn-primary:hover { background: var(--primary-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }

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

.btn-outline { background: transparent; border-color: var(--primary-blue); color: var(--primary-blue); }

.btn-outline:hover { background: rgba(46, 107, 230, 0.08); color: var(--primary-deep); border-color: var(--primary-deep); }

.btn-accent {
  background: linear-gradient(145deg, #FF8A1E, #FF7A1C);
  color: #fff;
  box-shadow: 0 10px 25px rgba(255, 138, 30, 0.30);
}

.btn-accent:hover { background: linear-gradient(145deg, #FF7A1C, #F46B0E); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 138, 30, 0.38); }

.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 8px; }

.header-cta { margin-left: 16px; }

.nav-phone { font-size: 15px; font-weight: 600; color: var(--deep-blue); display: inline-flex; align-items: center; gap: 8px; }

.nav-phone i { color: var(--primary-blue); }

/* ------------------------------- footer ------------------------------- */
.site-footer { background: var(--deep-blue); color: rgba(255, 255, 255, 0.82); }

.footer-top { padding: 60px 0 44px; }

.footer-grid { display: grid; grid-template-columns: 2fr 1.2fr 1.5fr; gap: 48px; }

.footer-brand .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 14px; }

.footer-brand .footer-logo .logo-mark { width: 36px; height: 36px; border-radius: 10px; background: rgba(255, 255, 255, 0.14); color: #fff; font-size: 16px; }

.footer-brand p { font-size: 14px; line-height: 2; opacity: 0.8; max-width: 380px; }

.footer-col h3 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; position: relative; padding-bottom: 10px; }

.footer-col h3::after { content: ""; display: block; width: 28px; height: 2px; background: var(--accent-orange); border-radius: 4px; position: absolute; bottom: 0; left: 0; }

.footer-col a { display: block; color: rgba(255, 255, 255, 0.72); font-size: 14px; padding: 5px 0; border-radius: 4px; transition: color 180ms var(--ease-smooth), padding-left 180ms var(--ease-smooth); }

.footer-col a:hover { color: #fff; padding-left: 8px; }

.footer-contact-list { list-style: none; margin: 0; }

.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.72); margin-bottom: 10px; }

.footer-contact-list i { color: var(--accent-orange); margin-top: 5px; width: 14px; font-size: 13px; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 22px 0; display: flex; }

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

.footer-bottom span { font-size: 13px; color: rgba(255, 255, 255, 0.5); }

/* ------------------------- Category hero ------- ---------------------- */
.cat-banner {
  position: relative;
  background: var(--sky-blue);
  background-image: linear-gradient(115deg, rgba(46, 107, 230, 0.98), rgba(27, 62, 124, 0.92)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 30%;
  padding: 80px 0 72px;
  overflow: hidden;
  color: #fff;
}

.cat-banner::before {
  content: "";
  position: absolute;
  width: 360px; height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  right: -80px; bottom: -120px;
}

.cat-banner::after {
  content: "";
  position: absolute;
  width: 200px; height: 200px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  right: 90px; bottom: -50px;
}

.cat-banner .crumb { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; opacity: 0.8; margin-bottom: 24px; }

.cat-banner .crumb a { color: rgba(255, 255, 255, 0.85); }

.cat-banner .crumb span { color: rgba(255, 255, 255, 0.55); }

.cat-banner .crumb .sep { font-size: 12px; }

.cat-banner h1 { font-size: 44px; font-weight: 700; line-height: 1.25; margin: 0 0 20px; letter-spacing: 0.5px; color: #fff; max-width: 760px; }

.cat-banner .lead { font-size: 17px; line-height: 1.9; max-width: 680px; opacity: 0.85; }

.cat-banner-meta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px; }

.cat-banner-badge { background: rgba(255, 255, 255, 0.18); backdrop-filter: blur(6px); border: 1px solid rgba(255, 255, 255, 0.25); padding: 6px 18px; border-radius: 999px; font-size: 13px; font-weight: 500; color: #fff; display: inline-flex; align-items: center; gap: 6px; }

.cat-banner-badge i { color: var(--accent-orange); }

/* case 分类双入口 */
.case-switch { background: var(--bg-white); position: relative; z-index: 5; margin-top: -1px; }
.case-switch-wrap { display: flex; gap: 12px; padding: 28px 0; flex-wrap: wrap; align-items: center; justify-content: center; border-bottom: 1px solid var(--line-light); }
.case-switch-label { font-size: 15px; font-weight: 600; color: var(--deep-blue); margin-right: 8px; }

.case-switch-btns { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.case-switch-btns .switch-chip { font-size: 14px; color: var(--text-sub); padding: 7px 20px; border: 1px solid var(--line-light); border-radius: 999px; display: inline-flex; align-items: center; gap: 6px; background: var(--bg-white); font-weight: 500; transition: all 180ms var(--ease-smooth); }
.case-switch-btns .switch-chip i { font-size: 12px; }
.case-switch-btns .switch-chip:hover { border-color: var(--primary-blue); color: var(--primary-blue); background: var(--sky-blue); }
.case-switch-btns .switch-chip.active { background: var(--primary-blue); color: #fff; border-color: var(--primary-blue); }

/* ------------------------- 场景总览 / case scenes ------------------- */
.case-overview { background: var(--bg-soft); padding: 88px 0; }

.section-head { margin-bottom: 44px; }

.section-head .en-label { font-size: 13px; color: var(--primary-blue); letter-spacing: 3px; text-transform: uppercase; font-weight: 700; margin-bottom: 12px; display: inline-block; }

.section-head h2 { font-size: 32px; font-weight: 700; line-height: 1.3; margin: 0 0 12px; color: var(--deep-blue); }

.section-head p { font-size: 16px; color: var(--text-sub); max-width: 640px; line-height: 1.9; }

.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.scene-card {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px 28px;
  transition: all 200ms var(--ease-smooth);
  box-shadow: 0 2px 10px rgba(27, 62, 124, 0.04);
  position: relative;
  overflow: hidden;
}

.scene-card::before {
  content: ""; display: block; height: 4px;
  width: 56px;
  background: linear-gradient(145deg, var(--accent-orange), var(--primary-blue));
  border-radius: 0 8px 8px 0;
  position: absolute;
  left: 0; top: 44px;
}

.scene-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(46, 107, 230, 0.25); }

.scene-card .icon-box { width: 58px; height: 58px; border-radius: 16px; background: var(--sky-blue); color: var(--primary-blue); font-size: 24px; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }

.scene-card h3 { font-size: 20px; color: var(--deep-blue); font-weight: 600; margin: 0 0 12px; }

.scene-card .scene-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 0; }

.scene-card .tag {
  background: var(--sky-blue); color: var(--primary-blue); font-size: 12px; padding: 3px 12px;
  border-radius: 999px; font-weight: 500;
}

.scene-card p { color: var(--text-sub); font-size: 14px; line-height: 1.9; margin: 0 }

/* ------------------------- 深度案例 detail case------------------------ */
.feature-case { padding: 88px 0; background: #fff; }

.case-showcase { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; background: var(--bg-soft); border-radius: 24px; padding: 32px; border: 1px solid var(--line-light); }

.case-showcase-media { border-radius: 16px; overflow: hidden; position: relative; aspect-ratio: 16/10; box-shadow: var(--shadow-default); }

.case-showcase-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 220ms var(--ease-smooth); }

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

.case-showcase-content h3 { font-size: 24px; color: var(--deep-blue); font-weight: 700; margin-bottom: 14px; line-height: 1.4; }

.case-showcase-content p { color: var(--text-sub); margin-bottom: 16px; font-size: 15px; line-height: 1.9; }

.case-showcase-content .case-point { list-style: none; padding: 0; margin: 14px 0 20px; }

.case-showcase-content .case-point li { position: relative; padding-left: 30px; font-size: 14px; line-height: 1.9; color: var(--text-main); margin: 6px 0; }

.case-showcase-content .case-point i { position: absolute; left: 0; top: 6px; color: var(--state-green); font-size: 14px; background: rgba(31, 169, 113, 0.12); border-radius: 50%; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 11px; }

.case-stat-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

.case-stat-pill { background: #fff; border: 1px solid var(--line-light); border-radius: 12px; padding: 12px 20px; text-align: center; box-shadow: var(--shadow-default); }

.case-stat-pill strong { display: block; font-size: 25px; color: var(--primary-blue); font-weight: 700; line-height: 1.2; }

.case-stat-pill span { font-size: 13px; color: var(--text-faint); font-weight: 500; }

/* ------------------------------ co-work 流程 timeline  --------------------------------- */
.process-section { padding: 88px 0; background: var(--bg-white); }

.process-wrapper { display: flex; gap: 20px; margin-top: 30px; justify-content: center; flex-wrap: wrap; }

.process-item { flex: 1 1 210px; max-width: 240px; text-align: center; position: relative; padding: 0 8px; }

.process-item:not(:last-child)::after { content: "\f054"; font: var(--fa-font-solid); content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: -10px; top: 36px; color: var(--line-light); font-size: 14px; }

.process-icon-circle { width: 72px; height: 72px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: linear-gradient(145deg, var(--sky-blue), #dcebff); color: var(--primary-blue); font-size: 25px; border: 1px solid rgba(46, 107, 230, 0.15); margin-bottom: 18px; box-shadow: 0 8px 20px rgba(46, 107, 230, 0.10); }

.process-item h3 { font-size: 16px; font-weight: 600; color: var(--deep-blue); margin-bottom: 6px; }

.process-item p { font-size: 13px; color: var(--text-sub); margin: 0; line-height: 1.8; }

/* CTA banner recycle */
.case-cta { background: var(--bg-soft); border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); padding: 56px 0; text-align: center; }

.case-cta h2 { font-size: 28px; color: var(--deep-blue); font-weight: 700; margin-bottom: 12px; }

.case-cta p { font-size: 15px; color: var(--text-sub); margin: 0 auto 24px; max-width: 560px; }

.case-cta a.btn { margin-right: 8px; margin-bottom: 8px; }

/* FAQ Mini */
.mini-faq { padding: 88px 0; background: var(--bg-white); }

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

.mini-faq .faq-item { border: 1px solid var(--line-light); border-radius: var(--radius-md); margin-bottom: 16px; overflow: hidden; background: var(--bg-white); transition: box-shadow 180ms var(--ease-smooth), border-color 180ms var(--ease-smooth); }

.mini-faq .faq-item:hover { box-shadow: var(--shadow-default); border-color: rgba(46, 107, 230, 0.30); }

.mini-faq .faq-q { padding: 20px 28px; font-weight: 600; font-size: 16px; color: var(--text-main); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; user-select: none; }

.mini-faq .faq-q::after { content: "\f078"; font: var(--fa-font-solid); font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; color: var(--text-faint); flex-shrink: 0; transition: transform 180ms var(--ease-smooth); }

.mini-faq .faq-item.open .faq-q::after { transform: rotate(180deg); color: var(--primary-blue); }

.mini-faq .faq-a { display: none; padding: 0 28px 22px; color: var(--text-sub); font-size: 15px; line-height: 2; }

.mini-faq .faq-a a { font-weight: 500; }

/* responsive medium */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .scene-case-gallery .case-showcase { grid-template-columns: 1fr; }
  .process-item { max-width: 100%; flex: 0 0 45%; }
}

@media (max-width: 820px) {
  .brand-name { font-size: 18px; }
  .brand-name em { font-size: 12px; }
  .site-nav .nav-link { font-size: 14px; padding: 4px 10px; }
  .header-cta { display: none !important; }
  .nav-toggle { display: inline-flex; }
  .nav-panel { position: fixed; top: 0; right: 0; width: min(78vw, 360px); height: 100dvh; background: var(--bg-white); padding: 0; z-index: 120; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; box-shadow: -20px 0 50px rgba(27, 62, 124, 0.15); transform: translateX(105%); transition: transform 220ms var(--ease-smooth); }
  .nav-panel.active { transform: translateX(0); }
  .nav-panel-header { display: flex; }
  .nav-panel-head { display: flex; justify-content: space-between; align-items: center; }
  .site-nav { flex: 1; flex-direction: column; align-items: stretch; padding: 16px; gap: 4px; }
  .site-nav .nav-link { display: flex; align-items: center; justify-content: space-between; font-size: 16px; padding: 14px 16px; border-radius: 12px; }
  .site-nav .nav-link:hover { background: var(--sky-blue); }
  .site-nav .nav-link + .btn { margin: 8px 0 0 18px; display: flex; }
  .nav-phone { margin-left: 24px; padding: 12px 0; }
  .site-footer .container-wide { padding: 0 20px; }
  .footer-top { padding: 36px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .site-header .header-inner { padding: 0 16px; }
  .cat-banner { padding: 56px 0 48px; }
  .cat-banner h1 { font-size: 32px; }
  .scene-grid { grid-template-columns: 1fr; }
  .case-showcase { grid-template-columns: 1fr; gap: 20px; padding: 16px; }
  .case-showcase-media { aspect-ratio: 3/2; }
  .mini-faq .faq-q { font-size: 15px; padding: 16px 20px; }
  .header-cta { display: none; }
  .section-head h2 { font-size: 26px; }
}

@media (max-width: 640px) {
  .cat-banner h1 { font-size: 28px; }
  .cat-banner { padding: 44px 0 40px; }
  .scene-card { padding: 26px 22px; }
  .process-item { flex: 0 0 100%; max-width: 100%; }
  .process-item:not(:last-child)::after { content: none; }
  .case-cta h2 { font-size: 21px; }
  .case-cta .btn { font-size: 19px; width: 100%; margin: 0 0 10px; }
  .case-showcase-content h3 { font-size: 19px; }
  .footer-bottom .grid-container { justify-content: center; text-align: center; font-size: 12px; }
}

@media print {
  .header, .footer, .nav-section { display: none !important; }
  body { background: none; }
}