/* roulang page: index */
:root {
  --bg-dark: #17131C;
  --bg-dark-2: #211B28;
  --bg-ink: #0E0C11;
  --bg-light: #F7F3EE;
  --surface: #FFFFFF;
  --brand-1: #F43F5E;
  --brand-2: #EA580C;
  --brand-3: #F59E0B;
  --accent: #0D9488;
  --gradient-brand: linear-gradient(135deg, #EA580C 0%, #F43F5E 100%);
  --text-light-title: #FFFFFF;
  --text-light-body: #C9C1D0;
  --text-dark-title: #1D1624;
  --text-dark-body: #4B4452;
  --text-muted: #7A7382;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 28px rgba(29, 22, 36, .06);
  --shadow-card-hover: 0 16px 40px rgba(29, 22, 36, .12);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-light);
  color: var(--text-dark-body);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-3);
  outline-offset: 3px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.main {
  overflow: hidden;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(23, 19, 28, .96);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.header-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-areas: "brand nav cta";
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 72px;
  gap: 12px;
}

.brand-logo {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-light-title);
  white-space: nowrap;
  letter-spacing: .02em;
}

.brand-name--footer {
  font-size: 19px;
}

.nav-wrap {
  grid-area: nav;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .06);
}

.nav-chips a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light-body);
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.nav-chips a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

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

.header-cta {
  grid-area: cta;
  justify-self: end;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter .18s ease, transform .18s ease, background .18s ease, border-color .18s ease;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 24px rgba(234, 88, 12, .22);
}

.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.btn-primary:active {
  filter: brightness(.97);
  transform: translateY(0);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .08);
  border-color: #fff;
}

.btn-ghost-dark {
  background: transparent;
  border-color: #D8CCC4;
  color: var(--text-dark-title);
}

.btn-ghost-dark:hover {
  background: var(--surface);
  border-color: var(--text-dark-title);
}

.btn-lg {
  min-height: 54px;
  padding: 0 32px;
  border-radius: 14px;
}

.btn-sm {
  min-height: 38px;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-2);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .18s ease, color .18s ease;
}

.text-link:hover {
  border-bottom-color: var(--brand-2);
}

.text-link svg {
  width: 16px;
  height: 16px;
  transition: transform .18s ease;
}

.text-link:hover svg {
  transform: translateX(3px);
}

/* ===== Hero ===== */
.hero {
  background:
    linear-gradient(100deg, rgba(23, 19, 28, .96) 0%, rgba(39, 21, 29, .78) 54%, rgba(234, 88, 12, .42) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  background-color: var(--bg-dark);
  color: #fff;
  position: relative;
}

.hero-inner {
  padding: 116px 0 108px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .05);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  color: #F4C4B8;
}

.hero-kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-3);
}

.hero h1 {
  max-width: 720px;
  margin-top: 24px;
  font-size: clamp(2.6rem, 6vw, 4.3rem);
  line-height: 1.14;
  color: #fff;
  letter-spacing: .01em;
}

.hero-sub {
  max-width: 620px;
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-light-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 56px;
  max-width: 900px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 13px 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
}

.stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-3);
  flex: 0 0 auto;
}

.stat-chip strong {
  display: block;
  font-size: 23px;
  line-height: 1.1;
  color: #fff;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.stat-chip span {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.4;
}

/* ===== Sections ===== */
.section {
  padding: 96px 0;
}

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

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--brand-2);
  text-transform: uppercase;
}

.section-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-2);
  flex: 0 0 auto;
}

.section-dark .section-eyebrow {
  color: var(--brand-3);
}

.section-dark .section-eyebrow::before {
  background: var(--brand-3);
}

.section-head h2,
.heading-row h2 {
  margin-top: 16px;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.22;
  color: var(--text-dark-title);
}

.section-head p,
.heading-row p {
  margin-top: 14px;
  max-width: 720px;
  color: var(--text-muted);
  font-size: 15px;
}

.section-dark h2 {
  color: var(--text-light-title);
}

.section-dark .section-head p {
  color: #9D94A6;
}

.heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 44px;
}

.heading-row .section-head {
  margin-bottom: 0;
}

.section-more {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.section-dark .section-more {
  color: var(--text-light-body);
}

.section-more:hover {
  color: var(--brand-2);
  border-color: var(--brand-2);
}

.section-dark .section-more:hover {
  color: #fff;
  border-color: #fff;
}

/* ===== Steps ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px 30px 34px;
  box-shadow: var(--shadow-card);
  border: 1px solid #F0E8E1;
  transition: transform .18s ease, box-shadow .18s ease;
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(140deg, #FCEBE0, #FBE0E5);
  color: var(--brand-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 23px;
  height: 23px;
}

.step-num {
  font-size: 30px;
  font-weight: 800;
  color: #E2D3CB;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.step-card h3 {
  font-size: 20px;
  color: var(--text-dark-title);
  margin-bottom: 12px;
  line-height: 1.35;
}

.step-card p {
  font-size: 15px;
  color: var(--text-dark-body);
}

/* ===== News ===== */
.news-section {
  background: var(--bg-dark);
}

.news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  gap: 22px;
  align-items: stretch;
}

.news-feature {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .1);
  transition: background .18s ease, border-color .18s ease;
}

.news-feature:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .16);
}

.news-feature__media {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 7.4;
  background: #241D2B;
}

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

.news-feature:hover .news-feature__media img {
  transform: scale(1.03);
}

.news-feature__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px 30px 30px;
  gap: 10px;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: #A79EAF;
  font-size: 13px;
}

.news-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}

.news-feature__title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.news-feature__summary {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-light-body);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #F4B19D;
}

.news-link::after {
  content: "→";
  transition: transform .18s ease;
}

.news-feature:hover .news-link::after {
  transform: translateX(4px);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.news-item {
  display: block;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  padding: 18px 20px;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.news-item:hover {
  background: rgba(255, 255, 255, .075);
  border-color: rgba(255, 255, 255, .16);
  transform: translateY(-1px);
}

.news-item__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: #9B92A5;
  font-size: 12px;
  margin-bottom: 8px;
}

.news-item__title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: #F5F2F6;
}

.news-item__summary {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.7;
  color: #A79DAF;
  margin-top: 8px;
}

.news-empty {
  grid-column: 1 / -1;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  color: var(--text-light-body);
  padding: 42px 24px;
  text-align: center;
  font-size: 15px;
}

/* ===== Case ===== */
.case-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.case-copy {
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.case-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: 999px;
  background: #FCE9E0;
  color: #C2410C;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
}

.case-copy h3 {
  margin-top: 16px;
  font-size: 25px;
  line-height: 1.35;
  color: var(--text-dark-title);
}

.case-copy p {
  margin-top: 14px;
  font-size: 15px;
  color: var(--text-dark-body);
  max-width: 48ch;
}

.case-list {
  margin-top: 24px;
  display: grid;
  gap: 11px;
}

.case-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-dark-title);
}

.case-list svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  margin-top: 5px;
  color: var(--brand-2);
}

.case-copy .text-link {
  margin-top: 28px;
}

.case-media {
  position: relative;
  min-height: 360px;
  background: #201A24;
}

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

.case-proofs {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.proof-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--bg-ink);
  border: 1px solid rgba(255, 255, 255, .07);
  color: #fff;
}

.proof-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-3);
}

.proof-chip strong {
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #fff;
  line-height: 1;
}

.proof-chip span {
  font-size: 13px;
  color: #B8AEBF;
}

/* ===== FAQ ===== */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 64px;
  align-items: start;
}

.faq-aside {
  position: sticky;
  top: 104px;
}

.faq-aside p {
  margin-top: 18px;
  font-size: 15px;
  color: var(--text-muted);
  max-width: 36ch;
}

.faq-aside .btn {
  margin-top: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid #EEE3DB;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(29, 22, 36, .04);
  overflow: hidden;
  transition: box-shadow .18s ease, border-color .18s ease;
}

.faq-item[open] {
  border-color: #F1D2C2;
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark-title);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--brand-3);
  outline-offset: -2px;
  border-radius: 12px;
}

.faq-chevron {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: var(--brand-2);
  transition: transform .18s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dark-body);
}

/* ===== CTA ===== */
.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  background:
    linear-gradient(105deg, rgba(23, 19, 28, .96) 0%, rgba(34, 20, 30, .9) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  background-color: var(--bg-ink);
  color: #fff;
  padding: 60px 64px;
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-3), var(--brand-2) 40%, var(--brand-1) 100%);
}

.cta-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: center;
  gap: 48px;
}

.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--brand-3);
}

.cta-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-3);
}

.cta-copy h2 {
  color: #fff;
  margin-top: 16px;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.3;
}

.cta-copy > p {
  margin-top: 12px;
  color: var(--text-light-body);
  max-width: 56ch;
}

.cta-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 20px;
}

.cta-points li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #D5CDD9;
  font-size: 14px;
}

.cta-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-3);
}

.cta-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.cta-action .btn-lg {
  width: min(100%, 260px);
}

.cta-note {
  font-size: 13px;
  color: #A99FAF;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-ink);
  color: var(--text-light-body);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, .75fr));
  gap: 44px;
  padding: 62px 0 46px;
}

.footer-brand .brand-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.9;
  color: #A99FAF;
}

.footer-brand .brand-name {
  color: #fff;
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: #A99FAF;
  font-size: 14px;
  transition: color .18s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  text-align: center;
  color: #7E7488;
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .header-grid {
    padding: 0 24px;
  }
  .nav-chips a {
    padding: 0 14px;
  }
  .hero-inner {
    padding: 88px 0 84px;
  }
  .section {
    padding: 78px 0;
  }
}

@media (max-width: 991px) {
  .brand-name {
    font-size: 16px;
  }
  .header-grid {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }
  .nav-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav-chips::-webkit-scrollbar {
    display: none;
  }
  .nav-chips a {
    flex: 0 0 auto;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .header-grid {
    grid-template-areas: "brand cta" "nav nav";
    grid-template-columns: 1fr auto;
    height: auto;
    padding: 10px 16px 12px;
    gap: 10px 0;
  }

  .brand-logo {
    min-width: 0;
  }

  .brand-name {
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }

  .nav-wrap {
    grid-area: nav;
    justify-content: flex-start;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
  }

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

  .nav-chips {
    border: 0;
    background: transparent;
    padding: 0;
  }

  .nav-chips a {
    height: 34px;
    padding: 0 15px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, .14);
  }

  .nav-chips a.active {
    border-color: transparent;
  }

  .header-cta {
    margin-left: 8px;
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 16px;
    font-size: 14px;
  }

  .hero-inner {
    padding: 56px 0 52px;
  }

  .hero h1 {
    font-size: clamp(2.05rem, 8vw, 2.8rem);
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-actions .btn-lg {
    min-width: 140px;
    padding: 0 20px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

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

  .hero-stats {
    margin-top: 32px;
    flex-direction: column;
    align-items: stretch;
  }

  .stat-chip {
    width: 100%;
  }

  .stat-chip strong {
    font-size: 20px;
  }

  .heading-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .section-head h2 {
    font-size: 1.7rem;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .step-card {
    padding: 28px 24px;
  }

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

  .news-list {
    display: none;
  }

  .news-feature__body {
    padding: 22px;
  }

  .news-feature__title {
    font-size: 19px;
  }

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

  .case-copy {
    padding: 30px 24px;
  }

  .case-copy h3 {
    font-size: 21px;
  }

  .case-list li {
    font-size: 14px;
  }

  .case-media {
    min-height: 200px;
    position: relative;
  }

  .case-media img {
    position: static;
    height: auto;
    min-height: 200px;
  }

  .proof-chip {
    width: 100%;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .faq-aside {
    position: static;
  }

  .faq-item summary {
    padding: 17px 18px;
    font-size: 15px;
  }

  .faq-answer {
    padding: 0 18px 18px;
    font-size: 14px;
  }

  .cta-panel {
    padding: 40px 24px 32px;
    border-radius: 24px;
  }

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

  .cta-action {
    align-items: stretch;
  }

  .cta-action .btn-lg {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
    padding: 44px 0 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    padding: 18px 0;
  }
}

@media (max-width: 520px) {
  .header-cta .btn-sm {
    min-width: 64px;
    padding: 0 12px;
    font-size: 13px;
  }
  .brand-name {
    max-width: 112px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root {
  --bg-dark: #17131C;
  --bg-dark-2: #211B28;
  --bg-ink: #0E0C11;
  --bg-light: #F7F3EE;
  --surface: #FFFFFF;
  --brand-1: #F43F5E;
  --brand-2: #EA580C;
  --brand-3: #F59E0B;
  --accent: #0D9488;
  --gradient-brand: linear-gradient(135deg, #EA580C 0%, #F43F5E 100%);
  --text-dark: #FFFFFF;
  --muted-dark: #C9C1D0;
  --text: #1D1624;
  --muted: #7A7382;
  --soft: #4B4452;
  --border-dark: rgba(255, 255, 255, .08);
  --border-light: rgba(29, 22, 36, .08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 28px rgba(29, 22, 36, .06);
  --shadow-hover: 0 16px 40px rgba(29, 22, 36, .12);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  line-height: 1.7;
  background: var(--bg-dark);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

ul, ol {
  margin: 0;
  padding: 0;
}

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

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand-3);
  outline-offset: 3px;
  border-radius: 8px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(23, 19, 28, .88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
}

.header-grid {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 19px;
  line-height: 36px;
  text-align: center;
  box-shadow: 0 8px 18px rgba(244, 63, 94, .24);
}

.brand-name {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}

.nav-wrap {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-chips {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 4px 6px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-pill);
}

.nav-chips li {
  margin: 0;
}

.nav-chips a {
  display: block;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  color: var(--muted-dark);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  text-align: center;
}

.nav-chips a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.nav-chips a.active {
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(244, 63, 94, .2);
}

.header-cta {
  justify-self: end;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .16s ease, filter .16s ease, box-shadow .16s ease, background .16s ease;
}

.btn-sm {
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-lg {
  height: 52px;
  padding: 0 30px;
  font-size: 16px;
  border-radius: 14px;
}

.btn-primary {
  background-image: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 24px rgba(244, 63, 94, .18);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 14px 28px rgba(244, 63, 94, .26);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(.97);
}

/* ===== Article Lead ===== */
.article-page {
  background: var(--bg-light);
}

.article-lead {
  position: relative;
  background-color: var(--bg-dark);
  background-image: linear-gradient(90deg, rgba(23, 19, 28, .97) 0%, rgba(23, 19, 28, .82) 42%, rgba(38, 24, 41, .66) 100%), url('/assets/images/backpic/back-1.png');
  background-position: center;
  background-size: cover;
  color: #fff;
  padding: 120px 0 92px;
  border-bottom: 1px solid rgba(255, 255, 255, .04);
}

.article-lead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .2), transparent);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, .58);
}

.breadcrumb a {
  color: rgba(255, 255, 255, .64);
}

.breadcrumb a:hover {
  color: var(--brand-3);
}

.breadcrumb .sep {
  opacity: .5;
}

.chip,
.breadcrumb .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 13px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 13px;
  line-height: 1.4;
}

.article-title {
  max-width: 920px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .01em;
  margin: 0 0 24px;
  color: #fff;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-3);
  opacity: .85;
}

/* ===== Article body ===== */
.article-body-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 0 16px;
}

.article-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(20px, 4vw, 48px);
}

.article-cover {
  margin: 0 0 32px;
}

.article-cover img {
  width: 100%;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 8;
  object-fit: cover;
  background: var(--bg-light);
}

.article-content {
  color: var(--soft);
  font-size: 17px;
  line-height: 1.9;
  overflow-wrap: break-word;
}

.article-content p {
  margin: 0 0 1.35em;
}

.article-content h2 {
  color: var(--text);
  font-size: 1.65rem;
  line-height: 1.4;
  font-weight: 800;
  margin: 2em 0 .65em;
  padding-top: .2em;
}

.article-content h3 {
  color: var(--text);
  font-size: 1.22rem;
  font-weight: 700;
  margin: 1.8em 0 .6em;
}

.article-content a {
  color: var(--brand-2);
  font-weight: 600;
  border-bottom: 1px solid rgba(234, 88, 12, .25);
}

.article-content a:hover {
  color: var(--brand-1);
  border-bottom-color: var(--brand-1);
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.5em;
  padding-left: 1.2em;
}

.article-content li {
  margin-bottom: .5em;
  padding-left: .2em;
}

.article-content blockquote {
  margin: 2em 0;
  padding: 18px 24px;
  background: var(--bg-light);
  border-left: 3px solid var(--brand-2);
  border-radius: 0 16px 16px 0;
  color: var(--soft);
}

.article-content img {
  margin: 1.6em auto;
  border-radius: var(--radius-md);
  background: var(--bg-light);
}

.article-content table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  font-size: 15px;
}

.article-content table th,
.article-content table td {
  border: 1px solid rgba(29, 22, 36, .12);
  padding: 10px 14px;
  text-align: left;
}

.article-content table th {
  background: var(--bg-light);
  color: var(--text);
  font-weight: 700;
}

.article-content code {
  background: var(--bg-light);
  color: var(--brand-2);
  padding: 2px 7px;
  border-radius: 8px;
  font-size: .92em;
}

/* ===== Prev / Next ===== */
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 48px;
  padding-top: 34px;
  border-top: 1px solid var(--border-light);
}

.pager-card {
  display: block;
  padding: 18px 22px;
  background: var(--bg-light);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.pager-card:hover {
  transform: translateY(-2px);
  background: var(--surface);
  border-color: rgba(234, 88, 12, .22);
  box-shadow: var(--shadow-hover);
}

.pager-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.pager-title {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.pager-card--next {
  text-align: right;
}

/* ===== Related ===== */
.related-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 72px 0 40px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.85rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text);
}

.section-heading-link {
  color: var(--brand-2);
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid rgba(234, 88, 12, .28);
}

.section-heading-link:hover {
  color: var(--brand-1);
  border-color: var(--brand-1);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, .6);
  padding: 14px;
  box-shadow: var(--shadow-card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(234, 88, 12, .18);
}

.related-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
  background: var(--bg-light);
}

.related-card .related-tag {
  display: block;
  margin-top: 15px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
}

.related-card h3 {
  margin: 6px 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 800;
  color: var(--text);
}

.related-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card a:hover h3 {
  color: var(--brand-2);
}

/* ===== Empty state ===== */
.article-empty-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 96px 0 120px;
}

.empty-state {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 80px 36px;
  text-align: center;
}

.empty-state h1 {
  margin: 0 0 12px;
  font-size: 2rem;
  color: var(--text);
  font-weight: 800;
}

.empty-state p {
  max-width: 440px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.empty-state .btn {
  display: inline-flex;
}

/* ===== CTA ===== */
.cta-section {
  padding: 88px 0 104px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #23201f 0%, var(--bg-dark) 62%, #100E13 100%);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 28px;
  padding: clamp(32px, 6vw, 76px);
  color: #fff;
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: var(--gradient-brand);
}

.cta-panel h2 {
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.28;
  font-weight: 800;
  max-width: 760px;
}

.cta-panel .cta-desc {
  margin: 0 0 32px;
  max-width: 640px;
  color: var(--muted-dark);
  font-size: 16px;
  line-height: 1.85;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .24);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

.btn-outline-light:hover {
  border-color: rgba(255, 255, 255, .55);
  background: rgba(255, 255, 255, .05);
  color: #fff;
}

.cta-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.cta-point {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-point strong {
  color: #fff;
  font-size: 15px;
}

.cta-point span {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-ink);
  color: rgba(255, 255, 255, .6);
  padding: 80px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  padding-bottom: 56px;
}

.footer-brand p {
  margin: 18px 0 0;
  max-width: 320px;
  color: rgba(255, 255, 255, .5);
  font-size: 14px;
  line-height: 1.9;
}

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

.footer-col h4 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  color: rgba(255, 255, 255, .58);
  font-size: 14px;
  line-height: 1.6;
}

.footer-col a:hover {
  color: var(--brand-3);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .42);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .header-grid {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 12px;
    padding: 0 24px;
  }

  .nav-chips a {
    padding: 7px 12px;
    font-size: 13px;
  }

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

  .related-card:last-child {
    grid-column: span 2;
  }

  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer-col:last-child {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "brand cta" "nav nav";
    gap: 6px 12px;
    padding: 10px 16px;
  }

  .brand-logo {
    grid-area: brand;
  }

  .header-cta {
    grid-area: cta;
  }

  .brand-name {
    font-size: 16px;
  }

  .nav-wrap {
    grid-area: nav;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 4px 0;
  }

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

  .nav-chips {
    width: max-content;
    min-width: 100%;
  }

  .nav-chips a {
    padding: 8px 14px;
    font-size: 14px;
  }

  .header-cta {
    font-size: 13px;
    padding: 0 13px;
    height: 34px;
  }

  .article-lead {
    padding: 80px 0 76px;
  }

  .container {
    padding: 0 20px;
  }

  .article-title {
    font-size: clamp(1.7rem, 6vw, 2.4rem);
  }

  .article-body-wrap {
    padding: 28px 16px 0;
  }

  .article-card {
    padding: 22px;
  }

  .article-cover img {
    aspect-ratio: 16 / 9;
  }

  .article-pager {
    grid-template-columns: 1fr;
  }

  .pager-card--next {
    text-align: left;
  }

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

  .related-card:last-child {
    grid-column: auto;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .cta-section {
    padding: 64px 0 72px;
  }

  .cta-panel {
    padding: 32px 22px;
  }

  .cta-points {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer {
    padding: 64px 0 24px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom {
    font-size: 12px;
  }
}

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

  .header-grid {
    padding: 8px 16px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
    line-height: 32px;
    font-size: 17px;
  }

  .brand-name {
    font-size: 14.5px;
  }

  .chip,
  .breadcrumb .chip {
    padding: 3px 10px;
  }

  .article-lead {
    padding: 64px 0 64px;
  }

  .article-title {
    margin-bottom: 18px;
  }

  .article-body-wrap {
    padding: 24px 10px 0;
  }

  .article-card {
    border-radius: 20px;
    padding: 18px 16px;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.85;
  }

  .article-content h2 {
    font-size: 1.38rem;
  }

  .article-content h3 {
    font-size: 1.1rem;
  }

  .related-area {
    padding: 56px 0 24px;
  }

  .related-grid {
    gap: 14px;
  }

  .related-card {
    padding: 12px;
  }

  .cta-panel h2 {
    font-size: 1.6rem;
  }

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

  .cta-actions .btn,
  .cta-actions .btn-outline-light {
    width: 100%;
  }

  .section-heading h2 {
    font-size: 1.55rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-brand p {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* roulang page: category1 */
/* ===== Design tokens ===== */
:root {
  --bg-dark: #17131C;
  --bg-dark-2: #211B28;
  --bg-ink: #0E0C11;
  --bg-light: #F7F3EE;
  --surface: #FFFFFF;
  --brand-1: #F43F5E;
  --brand-2: #EA580C;
  --brand-3: #F59E0B;
  --accent: #0D9488;
  --gradient-brand: linear-gradient(135deg, #EA580C 0%, #F43F5E 100%);
  --text-title-dark: #FFFFFF;
  --text-body-dark: #C9C1D0;
  --text-title-light: #1D1624;
  --text-body-light: #4B4452;
  --text-muted: #7A7382;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 28px rgba(29, 22, 36, .06);
  --shadow-card-hover: 0 16px 40px rgba(29, 22, 36, .12);
  --container: 1200px;
  --transition: .18s ease;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

/* ===== Reset & base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.85;
  background: var(--bg-light);
  color: var(--text-body-light);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input {
  font: inherit;
  border: none;
  background: none;
}

a:focus-visible,
summary:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-3);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

.section {
  padding: 88px 0;
}

.text-link {
  color: #EA580C;
  font-weight: 600;
}

.text-link:hover {
  color: #F43F5E;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--transition), filter var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

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

.btn-lg {
  height: 56px;
  padding: 0 32px;
  font-size: 17px;
}

.btn-primary {
  background-image: var(--gradient-brand);
  box-shadow: 0 10px 24px rgba(244, 63, 94, .22);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 14px 30px rgba(244, 63, 94, .3);
}

.btn-primary:active {
  transform: translateY(0);
  filter: brightness(.96);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, .48);
  color: #fff;
  background: rgba(255, 255, 255, .03);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .75);
  transform: translateY(-1px);
}

/* ===== Header / navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(23, 19, 28, .1);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(23, 19, 28, .88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(14, 12, 17, .26);
}

.header-grid {
  max-width: calc(var(--container) + 96px);
  margin: 0 auto;
  padding: 14px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background-image: var(--gradient-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 19px;
  box-shadow: 0 6px 16px rgba(244, 63, 94, .26);
}

.brand-name {
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}

.nav-wrap {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-chips {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: nowrap;
}

.nav-chips a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, .18);
  color: rgba(255, 255, 255, .86);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav-chips a:hover {
  border-color: rgba(255, 255, 255, .38);
  background: rgba(255, 255, 255, .08);
  color: #fff;
}

.nav-chips a.active {
  background-image: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(244, 63, 94, .26);
}

.header-cta {
  justify-self: end;
}

/* ===== Category hero ===== */
.category-hero {
  position: relative;
  color: #fff;
  background:
    linear-gradient(75deg, rgba(14, 12, 17, .96) 8%, rgba(23, 19, 28, .82) 44%, rgba(244, 63, 94, .12) 100%),
    url("/assets/images/backpic/back-1.png") center 20% / cover no-repeat;
  background-color: var(--bg-dark);
  padding: 144px 0 28px;
}

.hero-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .68);
}

.hero-crumbs a:hover {
  color: #fff;
}

.crumb-sep {
  color: rgba(255, 255, 255, .38);
}

.hero-h1 {
  margin: 16px 0 0;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .02em;
  max-width: 760px;
}

.hero-desc {
  margin-top: 18px;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-body-dark);
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-back-link-row {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, .64);
}

.hero-back-link-row a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition), transform var(--transition);
}

.hero-back-link-row a:hover {
  color: #fff;
  transform: translateX(-2px);
}

/* ===== Section heading ===== */
.section-head {
  margin-bottom: 52px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(234, 88, 12, .1);
  color: #D45913;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.eyebrow-dark {
  background: rgba(255, 255, 255, .1);
  color: #F5A3A7;
}

.section-head h2 {
  margin: 16px 0 0;
  max-width: 720px;
  color: var(--text-title-light);
  font-size: clamp(1.75rem, 2.8vw, 2.1rem);
  line-height: 1.35;
  font-weight: 800;
}

.section-head h2 span {
  color: #EA580C;
}

.section-head .head-lead {
  margin-top: 14px;
  max-width: 640px;
  color: var(--text-body-light);
  font-size: 16px;
  line-height: 1.85;
}

/* ===== Brief / applicable roles ===== */
.brief-section {
  padding: 88px 0 8px;
}

.brief-panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 52px 54px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 52px;
  align-items: start;
}

.brief-panel h2 {
  margin: 14px 0 0;
  font-size: 2rem;
  line-height: 1.4;
  color: var(--text-title-light);
  font-weight: 800;
}

.brief-panel h2 span {
  color: #EA580C;
}

.brief-panel .brief-copy {
  margin-top: 16px;
  color: var(--text-body-light);
  font-size: 15px;
}

.role-list {
  display: grid;
  gap: 22px;
}

.role-item {
  padding-left: 26px;
  position: relative;
}

.role-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-image: var(--gradient-brand);
  box-shadow: 0 0 0 4px rgba(244, 63, 94, .1);
}

.role-item dt {
  color: var(--text-title-light);
  font-size: 17px;
  font-weight: 700;
}

.role-item dd {
  margin-top: 2px;
  color: var(--text-body-light);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== Process flow ===== */
.process-section {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--surface) 100%);
  padding: 88px 0;
}

.section-head.center {
  text-align: center;
}

.section-head.center .eyebrow {
  background: rgba(234, 88, 12, .08);
  color: #C2540F;
}

.section-head.center h2,
.section-head.center .head-lead {
  margin-left: auto;
  margin-right: auto;
}

.flow-list {
  display: grid;
  gap: 40px;
}

.flow-node {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) 260px;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  padding: 36px 40px;
  align-items: stretch;
  transition: box-shadow var(--transition), transform var(--transition);
}

.flow-node:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.flow-node--rev {
  grid-template-columns: 260px minmax(0, 1fr) 108px;
}

.flow-num {
  grid-column: 1;
  grid-row: 1;
  font-size: 68px;
  font-weight: 800;
  line-height: 1;
  color: rgba(29, 22, 36, .09);
  align-self: start;
  letter-spacing: 0;
}

.flow-node--rev .flow-num {
  grid-column: 3;
}

.flow-body {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.flow-step {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(13, 148, 136, .12);
  color: #14796F;
  font-size: 12px;
  font-weight: 700;
}

.flow-body h3 {
  margin: 16px 0 10px;
  color: var(--text-title-light);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.4;
}

.flow-body p {
  color: var(--text-body-light);
  font-size: 15px;
  line-height: 1.8;
  max-width: 560px;
}

.flow-body p + p {
  margin-top: 8px;
}

.flow-nodes {
  grid-column: 3;
  grid-row: 1;
  align-self: center;
  padding-left: 26px;
  border-left: 1px solid rgba(29, 22, 36, .08);
}

.flow-node--rev .flow-nodes {
  grid-column: 1;
  padding-left: 0;
  padding-right: 26px;
  border-left: 0;
  border-right: 1px solid rgba(29, 22, 36, .08);
}

.flow-nodes-label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: .04em;
}

.node-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  margin: 0 8px 8px 0;
  border-radius: var(--radius-pill);
  background: #F7F3EE;
  border: 1px solid rgba(29, 22, 36, .06);
  font-size: 13px;
  color: var(--text-body-light);
  font-weight: 500;
}

/* ===== Materials ===== */
.materials-outer {
  background: var(--bg-dark);
  padding: 88px 0;
}

.material-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: var(--bg-dark-2);
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
}

.material-copy {
  padding: 56px 48px;
  color: #fff;
}

.material-copy .eyebrow {
  background: rgba(245, 158, 11, .14);
  color: #F5B35E;
}

.material-copy h2 {
  margin: 18px 0 10px;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  line-height: 1.4;
  font-weight: 800;
}

.material-copy .material-lead {
  color: var(--text-body-dark);
  font-size: 15px;
}

.check-list {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .88);
  font-size: 15px;
}

.check-list li::before {
  content: "";
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(13, 148, 136, .22) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230D9488' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center no-repeat;
  background-size: 11px;
}

.material-note {
  margin-top: 28px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: var(--text-body-dark);
}

.material-visual {
  min-height: 100%;
}

.material-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 88px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 56px;
  align-items: start;
}

.faq-intro .eyebrow {
  background: rgba(13, 148, 136, .12);
  color: #137C70;
}

.faq-intro h2 {
  margin: 18px 0 0;
  font-size: clamp(1.75rem, 3vw, 2.1rem);
  line-height: 1.35;
  font-weight: 800;
  color: var(--text-title-light);
}

.faq-intro p {
  margin-top: 16px;
  color: var(--text-body-light);
  font-size: 15px;
  max-width: 330px;
}

.faq-contact {
  display: inline-flex;
  margin-top: 26px;
  padding: 9px 18px;
  border: 1px solid rgba(29, 22, 36, .16);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-title-light);
  transition: border-color var(--transition), background var(--transition);
}

.faq-contact:hover {
  border-color: #EA580C;
  background: rgba(234, 88, 12, .06);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid rgba(29, 22, 36, .05);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(29, 22, 36, .03);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

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

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  color: var(--text-title-light);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(234, 88, 12, .1);
  color: #D45913;
  font-size: 19px;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--gradient-brand);
  color: #fff;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-body-light);
  font-size: 14px;
  line-height: 1.85;
  border-top: 1px dashed rgba(29, 22, 36, .08);
  margin-top: -2px;
}

.faq-item .faq-answer p {
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-outer {
  padding: 0 0 88px;
}

.cta-panel {
  position: relative;
  padding: 72px 64px;
  background:
    radial-gradient(circle at 84% 20%, rgba(244, 63, 94, .18), transparent 30%),
    linear-gradient(135deg, #2B2332 0%, #17131C 100%);
  border-radius: 32px;
  color: #fff;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
}

.cta-panel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--gradient-brand);
}

.cta-panel h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.6vw, 2.5rem);
  line-height: 1.35;
  font-weight: 800;
  max-width: 680px;
}

.cta-panel h2 span {
  color: #F59E0B;
}

.cta-panel > p {
  margin-top: 18px;
  max-width: 620px;
  color: var(--text-body-dark);
  font-size: 16px;
}

.cta-row {
  margin-top: 36px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.cta-points {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
}

.cta-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
}

.cta-points li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0D9488;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-ink);
  color: rgba(255, 255, 255, .72);
  padding: 64px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 5fr 2fr 2fr 2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.brand-logo--footer .brand-name {
  font-size: 17px;
}

.footer-brand .brand-logo {
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .6);
  max-width: 360px;
}

.footer-col h4 {
  margin: 2px 0 18px;
  font-size: 15px;
  color: #fff;
  font-weight: 700;
}

.footer-col a {
  display: block;
  width: fit-content;
  margin: 10px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .68);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, .46);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-grid {
    padding-left: 24px;
    padding-right: 24px;
    grid-template-columns: auto 1fr auto;
  }

  .nav-chips {
    gap: 6px;
  }

  .nav-chips a {
    padding: 0 14px;
  }

  .brief-panel {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 40px;
  }

  .flow-node,
  .flow-node--rev {
    grid-template-columns: 80px minmax(0, 1fr) 190px;
    padding: 32px 28px;
  }

  .flow-num {
    font-size: 56px;
  }

  .material-panel {
    grid-template-columns: 1fr;
  }

  .material-copy {
    padding: 48px 40px;
  }

  .faq-grid {
    grid-template-columns: 280px 1fr;
    gap: 40px;
  }

  .cta-panel {
    padding: 56px 44px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section,
  .process-section,
  .materials-outer,
  .faq-section {
    padding: 56px 0;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .header-grid {
    grid-template-columns: 1fr auto;
    padding: 12px 16px;
    gap: 10px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 17px;
    border-radius: 8px;
  }

  .nav-wrap {
    grid-column: 1 / -1;
    order: 3;
    overflow-x: auto;
    justify-content: flex-start;
    max-width: 100%;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

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

  .nav-chips {
    flex-wrap: nowrap;
    width: max-content;
    gap: 8px;
  }

  .nav-chips a {
    flex-shrink: 0;
    height: 34px;
    padding: 0 14px;
    font-size: 13px;
  }

  .header-cta {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
  }

  .category-hero {
    padding: 116px 0 24px;
    background-position: 72% 20%;
  }

  .hero-h1 {
    font-size: clamp(1.75rem, 7vw, 2.6rem);
  }

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

  .hero-actions .btn {
    height: 48px;
    padding: 0 20px;
  }

  .hero-back-link-row {
    margin-top: 34px;
  }

  .brief-panel {
    padding: 32px 24px;
    border-radius: 20px;
  }

  .brief-panel h2 {
    font-size: 1.55rem;
  }

  .flow-node,
  .flow-node--rev {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 26px 22px;
  }

  .flow-num,
  .flow-node--rev .flow-num {
    grid-column: 1;
    grid-row: auto;
    font-size: 44px;
  }

  .flow-body,
  .flow-node--rev .flow-body {
    grid-column: 1;
    grid-row: auto;
  }

  .flow-nodes,
  .flow-node--rev .flow-nodes {
    grid-column: 1;
    grid-row: auto;
    padding: 16px 0 0;
    border-left: 0;
    border-right: 0;
    border-top: 1px solid rgba(29, 22, 36, .08);
  }

  .flow-body h3 {
    font-size: 1.2rem;
  }

  .material-copy {
    padding: 34px 26px;
  }

  .material-copy h2 {
    font-size: 1.55rem;
  }

  .material-visual img {
    min-height: 220px;
    max-height: 300px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .faq-intro p {
    max-width: 100%;
  }

  .faq-item summary {
    padding: 17px 18px;
    font-size: 15px;
  }

  .faq-item .faq-answer {
    padding-left: 18px;
    padding-right: 18px;
    font-size: 14px;
  }

  .cta-panel {
    padding: 42px 24px;
    border-radius: 24px;
  }

  .cta-panel h2 {
    font-size: 1.65rem;
  }

  .cta-points {
    flex-direction: column;
    gap: 8px;
    margin-top: 28px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-brand p {
    max-width: none;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

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

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

  .cta-row .btn {
    width: 100%;
  }

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

  .footer-brand {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root{
  --bg-dark:#17131C;
  --bg-dark-2:#211B28;
  --bg-ink:#0E0C11;
  --bg-light:#F7F3EE;
  --surface:#FFFFFF;
  --brand-1:#F43F5E;
  --brand-2:#EA580C;
  --brand-3:#F59E0B;
  --accent:#0D9488;
  --text-white:#FFFFFF;
  --text-dark-title:#1D1624;
  --text-dark-body:#4B4452;
  --text-muted:#7A7382;
  --text-on-dark:#C9C1D0;
  --gradient-brand:linear-gradient(135deg,#EA580C 0%,#F43F5E 100%);
  --radius-xl:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 8px 28px rgba(29,22,36,.06);
  --shadow-card-hover:0 16px 40px rgba(29,22,36,.12);
  --transition:all .18s ease;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  background:var(--bg-light);
  color:var(--text-dark-body);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input{font-family:inherit;}
.container{max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px;}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(23,19,28,.92);
  border-bottom:1px solid rgba(255,255,255,.06);
  backdrop-filter:blur(12px);
}
.header-grid{
  max-width:var(--container);
  margin:0 auto;
  padding:14px 32px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  background:var(--gradient-brand);
  border-radius:12px;
  color:#fff;
  font-size:18px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.brand-name{
  color:#fff;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  white-space:nowrap;
}
.nav-wrap{
  flex:1;
  display:flex;
  justify-content:center;
  min-width:0;
}
.nav-chips{
  display:flex;
  gap:8px;
  align-items:center;
  padding:4px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-pill);
  max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chips a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  color:rgba(255,255,255,.82);
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  white-space:nowrap;
  transition:var(--transition);
}
.nav-chips a:hover{
  color:#fff;
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.14);
}
.nav-chips a:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;}
.nav-chips a.active{
  background:var(--gradient-brand);
  color:#fff;
  border-color:transparent;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 26px;
  border-radius:12px;
  font-size:16px;
  font-weight:800;
  border:none;
  cursor:pointer;
  transition:var(--transition);
  font-variant-numeric:tabular-nums;
}
.btn:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;}
.btn-primary{
  background:var(--gradient-brand);
  color:#fff;
}
.btn-primary:hover{
  transform:translateY(-1px);
  filter:brightness(1.06);
}
.btn-primary:active{
  transform:translateY(0);
  filter:brightness(.97);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-light{
  background:#fff;
  color:#17131C;
}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-card-hover);}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}
.btn-outline:hover{
  border-color:#fff;
  background:rgba(255,255,255,.08);
}
.header-cta{flex-shrink:0;}

/* page hero */
.page-hero{
  position:relative;
  background:
    linear-gradient(100deg,rgba(14,12,17,.62) 0%,rgba(234,88,12,.18) 55%,rgba(244,63,94,.08) 100%),
    linear-gradient(180deg,rgba(23,19,28,.88) 0%,rgba(23,19,28,.97) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:76px 0 68px;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero-inner{position:relative;max-width:840px;}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-pill);
  padding:5px 14px;
  color:#F8E3D0;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.hero-kicker .dot{width:6px;height:6px;background:var(--brand-3);border-radius:50%;display:inline-block;}
.page-hero h1{
  font-size:clamp(2.3rem,4vw,3.4rem);
  line-height:1.2;
  margin-bottom:18px;
  font-weight:800;
}
.page-hero .lead{
  max-width:760px;
  color:var(--text-on-dark);
  font-size:16px;
  margin-bottom:22px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.86);
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  border-radius:4px;
  transition:color .18s ease;
  margin-bottom:28px;
}
.back-link:hover{color:#fff;}
.back-link:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;}

/* section base */
.sec{
  padding:88px 0;
}
.sec-alt{background:var(--bg-light);}
.sec-soft{background:#F0EAE2;}
.sec-dark{
  background:var(--bg-dark);
  color:#fff;
}
.section-intro{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:#9A6A22;
  background:rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.22);
  padding:5px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
}
.sec-dark .section-label{color:#FCDBA4;background:rgba(245,158,11,.15);border-color:rgba(245,158,11,.28);}
.section-title{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.3;
  font-weight:800;
  color:var(--text-dark-title);
  margin-bottom:12px;
}
.sec-dark .section-title{color:#fff;}
.section-desc{
  max-width:760px;
  font-size:15px;
  color:var(--text-dark-body);
}
.sec-dark .section-desc{color:var(--text-on-dark);}
.section-links{
  flex-shrink:0;
  font-size:15px;
  font-weight:700;
  color:var(--brand-1);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-links:hover{color:#c81e3c;}
.section-links:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;}
.section-links span{transition:transform .2s ease;}
.section-links:hover span{transform:translateX(4px);}

/* intro narrative */
.intro-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:62px;
  align-items:center;
}
.intro-media{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.intro-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  background:#d7cdc2;
}
.intro-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,12,17,0) 55%,rgba(14,12,17,.24) 100%);
  pointer-events:none;
}
.intro-text h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:800;
  color:var(--text-dark-title);
  margin-bottom:14px;
  line-height:1.3;
}
.intro-text p{
  color:var(--text-dark-body);
  font-size:15px;
  margin-bottom:14px;
  max-width:60ch;
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:38px;
}
.stat-block{
  background:#fff;
  border-radius:var(--radius-md);
  padding:24px 24px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.stat-block:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);}
.stat-num{
  font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:800;
  color:var(--brand-1);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-note{
  font-size:14px;
  color:var(--text-muted);
  margin-top:6px;
}

/* stats section with two groups */
.big-stat-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.big-stat-item{
  padding:54px 32px;
  border-radius:var(--radius-xl);
  background:#fff;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.big-stat-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:4px;
  width:100%;
  background:var(--gradient-brand);
}
.big-stat-num{
  font-size:clamp(2.6rem,4vw,3.6rem);
  font-weight:800;
  color:var(--text-dark-title);
  line-height:1.1;
  background:var(--gradient-brand);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-variant-numeric:tabular-nums;
}
.big-stat-label{
  font-size:15px;
  font-weight:700;
  color:var(--text-dark-title);
  margin-top:12px;
}
.big-stat-desc{
  margin-top:8px;
  font-size:14px;
  color:var(--text-muted);
  max-width:50ch;
  line-height:1.75;
}
@media(max-width:900px){
  .big-stat-grid{grid-template-columns:1fr;}
}

/* timeline dark */
.timeline-stage{
  background:
    radial-gradient(900px 400px at 80% 8%,rgba(244,63,94,.15),transparent 70%),
    linear-gradient(180deg,var(--bg-dark) 0%,var(--bg-dark-2) 70%,var(--bg-ink) 100%);
  color:#fff;
}
.timeline-wrap{
  position:relative;
  padding:16px 0 20px;
}
.timeline-wrap::before{
  content:"";
  position:absolute;
  left:50%;
  top:30px;
  bottom:30px;
  width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(244,63,94,.6),rgba(234,88,12,.8),rgba(245,158,11,.7));
}
.timeline-row{
  display:grid;
  grid-template-columns:1fr 60px 1fr;
  margin-bottom:44px;
  position:relative;
}
.timeline-row:last-child{margin-bottom:0;}
.timeline-dot{
  grid-column:2;
  position:relative;
  z-index:2;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--brand-3);
  border:4px solid var(--bg-dark); 
  box-shadow:0 0 0 4px rgba(245,158,11,.2);
  justify-self:center;
  margin-top:24px;
}
.timeline-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-md);
  padding:26px 26px;
  transition:var(--transition);
}
.timeline-card:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.2);
  transform:translateY(-2px);
}
.timeline-year{
  display:inline-flex;
  font-size:12px;
  font-weight:800;
  color:#fff;
  background:var(--gradient-brand);
  padding:3px 12px;
  border-radius:var(--radius-pill);
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.timeline-card h3{
  font-size:1.15rem;
  margin-bottom:10px;
}
.timeline-card p{
  color:var(--text-on-dark);
  font-size:14px;
  line-height:1.8;
}
.timeline-row:nth-child(odd) .timeline-card{
  grid-column:1;
  grid-row:1;
  text-align:right;
}
.timeline-row:nth-child(odd) .timeline-dot{grid-column:2;grid-row:1;}
.timeline-row:nth-child(even) .timeline-card{
  grid-column:3;
  grid-row:1;
}
.timeline-row:nth-child(even) .timeline-dot{grid-column:2;grid-row:1;}
@media(max-width:767px){
  .timeline-wrap::before{left:8px;transform:none;}
  .timeline-row{display:block;margin-bottom:24px;padding-left:30px;}
  .timeline-dot{
    position:absolute;
    left:1px;
    top:18px;
    width:12px;
    height:12px;
    margin:0;
  }
  .timeline-row:nth-child(odd) .timeline-card{text-align:left;}
  .timeline-card{padding:20px 18px;}
}

/* service grid */
.content-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:16px;
}
.content-main{
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-card);
}
.content-main img{
  width:100%;
  height:260px;
  object-fit:cover;
  background:#D4C7BC;
  border-radius:var(--radius-xl) var(--radius-xl) 0 0;
}
.content-main-body{padding:26px 30px 28px;}
.content-main-body h3{font-size:1.3rem;color:var(--text-dark-title);margin-bottom:8px;}
.content-main-body p{font-size:15px;color:var(--text-muted);margin-bottom:18px;}
.content-mini-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 18px;
}
.content-mini-list li{
  display:flex;
  gap:8px;
  align-items:flex-start;
  font-size:14px;
  color:var(--text-dark-body);
}
.tag-head{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(234,88,12,.12);
  border-radius:var(--radius-pill);
  padding:3px 10px;
  font-size:12px;
  color:var(--brand-2);
  font-weight:700;
}
.tag-head::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
.content-lower{
  display:grid;
  gap:16px;
}
.content-half{
  background:#fff;
  border-radius:var(--radius-xl);
  padding:28px 28px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.content-half:hover{box-shadow:var(--shadow-card-hover);}
.content-half img{
  width:100%;
  height:150px;
  object-fit:cover;
  border-radius:var(--radius-md);
  background:#E1D7CB;
  margin-bottom:18px;
}
.content-half h3{
  color:var(--text-dark-title);
  margin-bottom:8px;
  font-size:1.05rem;
}
.content-half p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
}
@media(max-width:900px){
  .content-grid{grid-template-columns:1fr;}
  .content-mini-list{grid-template-columns:1fr;}
}
/* two split sec */
.split-promise{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:start;
}
.promise-copy h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:800;
  color:var(--text-dark-title);
  line-height:1.35;
  margin-bottom:14px;
}
.promise-copy p{
  margin-bottom:16px;
  color:var(--text-dark-body);
  font-size:15px;
  max-width:58ch;
}
.benefit-checklist{
  display:grid;
  gap:12px;
  margin-top:26px;
}
.benefit-checklist li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  background:#fff;
  border:1px solid rgba(29,22,36,.05);
  border-radius:var(--radius-md);
  padding:15px 18px;
  box-shadow:var(--shadow-card);
}
.benefit-checklist li span{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--gradient-brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:800;
  margin-top:2px;
}
.support-card{
  background:#fff;
  border-radius:var(--radius-xl);
  padding:32px;
  box-shadow:var(--shadow-card);
}
.support-card h3{
  color:var(--text-dark-title);
  font-size:1.2rem;
  margin-bottom:20px;
}
.support-list{
  display:grid;
  gap:18px;
}
.support-list li{
  border-bottom:1px solid rgba(29,22,36,.05);
  padding-bottom:16px;
}
.support-list li:last-child{border-bottom:none;padding-bottom:0;}
.support-top{
  display:flex;
  justify-content:space-between;
  gap:10px;
  margin-bottom:4px;
}
.support-name{font-weight:700;color:var(--text-dark-title);font-size:15px;}
.support-meta{font-size:12px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.support-desc{font-size:14px;color:var(--text-muted);line-height:1.75;}
@media(max-width:900px){
  .split-promise{grid-template-columns:1fr;}
}

/* boxes */
.value-cluster{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.value-box{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-md);
  padding:26px 22px;
  color:#fff;
  transition:var(--transition);
}
.value-box:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.2);
  transform:translateY(-2px);
}
.value-title{
  color:var(--brand-3);
  font-weight:800;
  margin-bottom:8px;
}
.value-box p{
  color:var(--text-on-dark);
  font-size:14px;
  line-height:1.75;
}
@media(max-width:900px){
  .value-cluster{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:520px){
  .value-cluster{grid-template-columns:1fr;}
}

/* CTA */
.cta-panel{
  background:
    radial-gradient(700px 240px at 70% 140%,rgba(244,63,94,.28),transparent 70%),
    linear-gradient(135deg,var(--bg-dark-2) 0%,var(--bg-ink) 100%);
  border-radius:var(--radius-xl);
  border:1px solid rgba(255,255,255,.1);
  padding:70px 70px 66px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-30px;
  bottom:-50px;
  width:300px;
  height:300px;
  background:radial-gradient(circle,rgba(234,88,12,.3),transparent 70%);
}
.cta-panel h2{
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:800;
  line-height:1.3;
}
.cta-panel p{
  color:var(--text-on-dark);
  margin-top:10px;
  max-width:800px;
}
.cta-btn-row{
  margin-top:30px;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.cta-note{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:24px;
}
.cta-note li{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.06);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  color:rgba(255,255,255,.76);
  font-size:13px;
}
@media(max-width:767px){
  .cta-panel{padding:48px 24px;}
}

/* footer */
.footer{
  background:var(--bg-ink);
  color:#BEB4C6;
  border-top:1px solid rgba(255,255,255,.05);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:38px;
  padding:62px 0 46px;
}
.brand-logo--footer .brand-name--footer{font-size:18px;}
.footer-brand p{
  font-size:14px;
  color:#8C8494;
  line-height:1.85;
  max-width:32ch;
  margin-top:16px;
}
.footer-col h4{
  color:#F6F1F3;
  font-weight:800;
  font-size:15px;
  margin-bottom:16px;
}
.footer-col{
  display:grid;
  gap:10px;
  align-content:start;
}
.footer-col a{
  font-size:14px;
  color:#B8AEBF;
  transition:var(--transition);
}
.footer-col a:hover{
  color:#F2CB9A;
  transform:translateX(2px);
}
.footer-col a:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  color:#857D8B;
  font-size:13px;
}

@media(max-width:1024px){
  .header-grid{flex-wrap:wrap;padding:12px 24px;}
  .nav-wrap{order:3;flex-basis:100%;justify-content:flex-start;}
  .nav-chips{max-width:100%;overflow-x:auto;}
  .container{padding-left:24px;padding-right:24px;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media(max-width:660px){
  .sec{padding:58px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .header-grid{flex-wrap:nowrap;padding:10px 14px;gap:10px;}
  .brand-name{font-size:16px;}
  .brand-mark{width:30px;height:30px;font-size:16px;border-radius:10px;}
  .header-cta{padding:0 12px;font-size:13px;height:36px;}
  .nav-chips a{height:34px;padding:0 14px;font-size:13px;}
  .section-intro{flex-direction:column;align-items:flex-start;gap:14px;}
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:44px 0;}
  .timeline-card p{font-size:14px;}
  .control-row{flex-direction:column;align-items:stretch;}
}
@media(max-width:480px){
  .brand-name{font-size:14px;}
  .header-cta{display:none;}
  .nav-chips{width:100%;}
  .brand-logo{flex-shrink:1;}
}

/* roulang page: category2 */
:root {
    --bg-dark: #17131C;
    --bg-dark-2: #211B28;
    --bg-ink: #0E0C11;
    --bg-light: #F7F3EE;
    --surface: #FFFFFF;
    --brand-1: #F43F5E;
    --brand-2: #EA580C;
    --brand-3: #F59E0B;
    --accent: #0D9488;
    --gradient-brand: linear-gradient(135deg, #EA580C 0%, #F43F5E 100%);
    --text-btn: #FFFFFF;
    --text-dark-title: #FFFFFF;
    --text-dark-body: #C9C1D0;
    --text-light-title: #1D1624;
    --text-light-body: #4B4452;
    --text-muted: #7A7382;
    --border-white: rgba(255,255,255,.1);
    --border-soft: rgba(29,22,36,.08);
    --radius-xl: 24px;
    --radius-lg: 16px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 28px rgba(29,22,36,.06);
    --shadow-hover: 0 16px 40px rgba(29,22,36,.12);
    --space-section: 96px;
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  }

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

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

  body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.85;
    background: var(--bg-light);
    color: var(--text-light-body);
    -webkit-font-smoothing: antialiased;
  }

  img {
    display: block;
    max-width: 100%;
    background: #DDD3E0;
  }

  a {
    color: #D9480F;
    text-decoration: none;
    transition: color .18s ease, opacity .18s ease, border-color .18s ease;
  }

  a:hover {
    color: #B7320C;
  }

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--brand-3);
    outline-offset: 3px;
    border-radius: 6px;
  }

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

  p,
  h1,
  h2,
  h3,
  h4 {
    margin: 0;
  }

  h1,
  h2,
  h3,
  h4 {
    color: var(--text-light-title);
    line-height: 1.25;
    font-weight: 800;
  }

  button {
    font-family: inherit;
    border: 0;
    cursor: pointer;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 120;
    background: rgba(23, 19, 28, .88);
    border-bottom: 1px solid var(--border-white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .header-grid {
    display: flex;
    align-items: center;
    gap: 18px;
    max-width: 1200px;
    height: 72px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    flex: 0 0 auto;
  }

  .brand-logo:hover {
    color: #fff;
    opacity: .9;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    flex: 0 0 auto;
    letter-spacing: 0;
  }

  .brand-name {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .02em;
    white-space: nowrap;
  }

  .nav-wrap {
    margin-left: auto;
    min-width: 0;
    flex: 1 1 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

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

  .nav-chips {
    display: inline-flex;
    gap: 6px;
    min-width: max-content;
    padding: 4px 0;
  }

  .nav-chips a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-white);
    background: rgba(255, 255, 255, .04);
    color: #D6CFDD;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
  }

  .nav-chips a:hover {
    background: rgba(255, 255, 255, .1);
    color: #fff;
  }

  .nav-chips a.active {
    background: var(--gradient-brand);
    border-color: transparent;
    color: #fff;
    font-weight: 700;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 22px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    transition: transform .16s ease, filter .16s ease, box-shadow .16s ease, background .16s ease;
  }

  .btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
  }

  .btn:active {
    transform: translateY(0);
    filter: brightness(.97);
  }

  .btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 6px 18px rgba(234, 88, 12, .24);
  }

  .btn-primary:hover {
    color: #fff;
  }

  .btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .55);
    color: #fff;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, .08);
    border-color: #fff;
    color: #fff;
  }

  .btn-sm {
    height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .btn-lg {
    height: 56px;
    padding: 0 28px;
    font-size: 16px;
  }

  .header-cta {
    flex: 0 0 auto;
  }

  .page-hero {
    position: relative;
    isolation: isolate;
    background: var(--bg-dark);
    color: var(--text-dark-title);
    padding: 72px 0 96px;
    overflow: hidden;
  }

  .page-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-color: #2A2431;
    background-size: cover;
    background-position: center;
  }

  .page-hero__shade {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(90deg, rgba(23, 19, 28, .92) 0%, rgba(23, 19, 28, .82) 44%, rgba(234, 88, 12, .32) 100%);
  }

  .page-hero__crumb {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 22px;
    color: #B9AFBF;
    font-size: 13px;
  }

  .page-hero__crumb:hover {
    color: #F59E0B;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--brand-2);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .12em;
  }

  .section-kicker--light {
    color: #F7A45B;
  }

  .page-hero__title {
    max-width: 820px;
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.14;
    color: #fff;
  }

  .page-hero__lead {
    max-width: 680px;
    margin: 24px 0 34px;
    color: var(--text-dark-body);
    font-size: clamp(1rem, 1.4vw, 1.14rem);
    line-height: 1.9;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .metric-band {
    padding: var(--space-section) 0 64px;
    background: var(--bg-light);
  }

  .metric-band .section-title {
    max-width: 640px;
    margin-bottom: 56px;
  }

  .metric-band .section-title p {
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.9;
  }

  .metric-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
  }

  .metric-cell {
    padding: 42px 0 48px;
    border-left: 3px solid var(--brand-2);
    padding-left: 32px;
  }

  .metric-cell + .metric-cell {
    border-left-color: var(--brand-1);
  }

  .metric-cell strong {
    display: block;
    color: var(--brand-2);
    font-size: clamp(3.2rem, 7vw, 5.6rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
  }

  .metric-cell + .metric-cell strong {
    color: var(--brand-1);
  }

  .metric-cell em {
    display: block;
    margin-top: 18px;
    max-width: 390px;
    color: var(--text-muted);
    font-style: normal;
    font-size: 16px;
    line-height: 1.9;
  }

  .benefit-area {
    padding-bottom: var(--space-section);
    background: var(--bg-light);
  }

  .benefit-title-block {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 42px;
  }

  .benefit-title-block h2 {
    max-width: 620px;
    font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  }

  .benefit-title-block p {
    max-width: 420px;
    color: var(--text-muted);
    font-size: 15px;
  }

  .benefit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .benefit-panel {
    border-radius: var(--radius-xl);
    padding: 38px;
    overflow: hidden;
  }

  .panel-dark {
    background: var(--bg-dark);
    color: var(--text-dark-body);
    border: 1px solid var(--border-white);
  }

  .panel-dark h3 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .panel-dark > p {
    color: #AEA6B4;
    font-size: 15px;
    margin-bottom: 30px;
  }

  .panel-light {
    background: var(--surface);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255,255,255,.5);
  }

  .panel-light h3 {
    font-size: 22px;
    margin-bottom: 12px;
  }

  .panel-light > p {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 30px;
  }

  .dot-list li {
    position: relative;
    padding: 0 0 22px 32px;
    color: #C9C1D0;
    font-size: 15px;
    line-height: 1.8;
  }

  .dot-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand-3);
  }

  .dot-list li strong {
    display: block;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .dot-list li span {
    display: block;
    color: #ABA2B3;
    font-size: 14.5px;
  }

  .dot-list li:last-child {
    padding-bottom: 0;
  }

  .dot-list--rose li::before {
    background: var(--brand-1);
  }

  .dot-list--rose li strong {
    color: var(--text-light-title);
  }

  .dot-list--rose li {
    color: #5B5561;
  }

  .dot-list--rose li span {
    color: var(--text-muted);
  }

  .check-list li {
    position: relative;
    padding: 0 0 22px 32px;
    color: #5B5561;
    font-size: 15px;
    line-height: 1.8;
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 9px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
  }

  .check-list li strong {
    display: block;
    color: var(--text-light-title);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .check-list li span {
    display: block;
    color: var(--text-muted);
    font-size: 14.5px;
  }

  .check-list li:last-child {
    padding-bottom: 0;
  }

  .process-showcase {
    padding-bottom: var(--space-section);
    background: var(--bg-light);
  }

  .process-card {
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    background: var(--bg-dark);
    border-radius: 32px;
    overflow: hidden;
    color: var(--text-dark-body);
    border: 1px solid rgba(255,255,255,.08);
  }

  .process-media {
    min-height: 360px;
    background-color: #302738;
    background-size: cover;
    background-position: center;
  }

  .process-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 360px;
  }

  .process-content {
    padding: clamp(28px, 5vw, 58px);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .process-content .section-kicker {
    margin-bottom: 14px;
  }

  .process-content h2 {
    color: #fff;
    font-size: clamp(1.7rem, 3vw, 2.45rem);
    line-height: 1.3;
    margin-bottom: 18px;
  }

  .process-content p {
    color: #B7AFBD;
    font-size: 15.5px;
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .process-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 7px 0;
    color: #CFC7D5;
    font-size: 15px;
  }

  .process-list li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-3);
    margin-top: 14px;
    flex: 0 0 auto;
  }

  .faq-area {
    background: #FFF9F4;
    padding: var(--space-section) 0;
  }

  .faq-layout {
    display: grid;
    grid-template-columns: .85fr 1.35fr;
    gap: 60px;
    align-items: start;
  }

  .faq-intro h2 {
    font-size: clamp(1.9rem, 3vw, 2.6rem);
    margin-bottom: 16px;
  }

  .faq-intro p {
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .faq-intro .btn {
    margin-top: 6px;
  }

  .faq-list details {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 4px 24px;
    margin-bottom: 14px;
    border: 1px solid rgba(29,22,36,.05);
  }

  .faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    color: var(--text-light-title);
    font-weight: 700;
    font-size: 16px;
    line-height: 1.5;
    cursor: pointer;
    list-style: none;
  }

  .faq-list summary::-webkit-details-marker {
    display: none;
  }

  .faq-list summary .faq-arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--brand-2);
    border-bottom: 2px solid var(--brand-2);
    transform: rotate(45deg);
    transform-origin: center;
    flex: 0 0 auto;
    transition: transform .18s ease;
    margin-right: 6px;
  }

  .faq-list details[open] summary .faq-arrow {
    transform: rotate(225deg);
  }

  .faq-list details p {
    padding: 0 0 22px;
    color: #5B5561;
    font-size: 15px;
    line-height: 1.9;
    max-width: 720px;
  }

  .cta-area {
    padding: 0 0 var(--space-section);
    background: #FFF9F4;
  }

  .cta-panel {
    position: relative;
    border-radius: 32px;
    background: var(--bg-dark);
    background-image: linear-gradient(120deg, rgba(234, 88, 12, .16), rgba(244, 63, 94, .1)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: clamp(34px, 6vw, 68px);
    color: #fff;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.12);
  }

  .cta-panel::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #F59E0B, #F43F5E, transparent);
  }

  .cta-panel .cta-kicker {
    color: #F7A45B;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .12em;
    margin-bottom: 14px;
  }

  .cta-panel h2 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.2rem);
    max-width: 720px;
    line-height: 1.25;
    margin-bottom: 16px;
  }

  .cta-panel p {
    color: #C9C1D0;
    font-size: 16px;
    max-width: 620px;
    line-height: 1.9;
    margin-bottom: 32px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .cta-actions .btn-primary {
    background: var(--gradient-brand);
  }

  .cta-actions .btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,.45);
    color: #fff;
  }

  .cta-actions .btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,.08);
    color: #fff;
  }

  .cta-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    margin-top: 30px;
    color: #C9C1D0;
    font-size: 14px;
  }

  .cta-note span {
    position: relative;
    padding-left: 18px;
  }

  .cta-note span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
  }

  .footer {
    background: var(--bg-ink);
    color: #A8A0AE;
    padding: 72px 0 0;
  }

  .footer a {
    color: #B7AFBF;
  }

  .footer a:hover {
    color: #F59E0B;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.4fr .7fr .7fr .7fr;
    gap: 44px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

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

  .footer-brand .brand-name--footer {
    font-size: 19px;
  }

  .footer-brand p {
    max-width: 320px;
    margin-top: 8px;
    color: #8F8795;
    font-size: 14px;
    line-height: 1.85;
  }

  .footer-col h4 {
    color: #E4DFE7;
    font-size: 15px;
    font-weight: 700;
    margin: 6px 0 18px;
  }

  .footer-col a {
    display: block;
    padding: 5px 0;
    font-size: 14px;
  }

  .footer-bottom {
    padding: 24px 0 32px;
    color: #736C7A;
    font-size: 13px;
    text-align: center;
    letter-spacing: .02em;
  }

  @media (max-width: 1024px) {
    .header-brand-name {
      font-size: 15px;
    }

    .header-cta .btn {
      padding: 0 13px;
      font-size: 13px;
    }

    .benefit-grid {
      gap: 20px;
    }

    .benefit-panel {
      padding: 30px;
    }

    .faq-layout {
      gap: 40px;
    }

    .footer-top {
      grid-template-columns: 1fr 1fr;
      gap: 40px 30px;
    }
  }

  @media (max-width: 767px) {
    .container {
      padding: 0 20px;
    }

    .header-grid {
      gap: 10px;
      height: 64px;
      padding: 0 16px;
    }

    .brand-logo {
      gap: 7px;
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      font-size: 15px;
    }

    .brand-name {
      font-size: 15px;
    }

    .nav-wrap {
      flex: 1 1 0;
      min-width: 0;
    }

    .nav-chips {
      display: inline-flex;
      min-width: max-content;
    }

    .nav-chips a {
      min-height: 34px;
      padding: 0 12px;
      font-size: 13px;
    }

    .header-cta {
      font-size: 13px;
      padding: 0 12px;
    }

    .header-cta.btn-sm {
      height: 36px;
    }

    .page-hero {
      padding: 56px 0 76px;
    }

    .page-hero__lead {
      margin: 20px 0 28px;
      font-size: 15px;
    }

    .hero-actions {
      flex-direction: row;
      flex-wrap: wrap;
    }

    .hero-actions .btn {
      flex: 1 1 auto;
      min-width: 140px;
    }

    .metric-band,
    .faq-area {
      padding: 64px 0;
    }

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

    .metric-cell {
      padding: 32px 0 34px;
    }

    .metric-cell + .metric-cell {
      border-top: 1px solid var(--border-soft);
      border-bottom: 0;
    }

    .benefit-title-block {
      display: block;
      margin-bottom: 30px;
    }

    .benefit-title-block p {
      margin-top: 14px;
    }

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

    .benefit-panel {
      padding: 26px;
      border-radius: 22px;
    }

    .process-card {
      grid-template-columns: 1fr;
      border-radius: 24px;
    }

    .process-media,
    .process-media img {
      min-height: 220px;
    }

    .process-content {
      padding: 30px 24px;
    }

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

    .faq-list details {
      padding: 2px 18px;
    }

    .cta-panel {
      border-radius: 24px;
      padding: 32px 24px;
    }

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

    .cta-note {
      display: grid;
      gap: 8px;
    }

    .footer {
      padding-top: 52px;
    }

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

  @media (max-width: 520px) {
    .brand-name {
      max-width: 112px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 14px;
      letter-spacing: 0;
    }

    .page-hero__title {
      font-size: 2rem;
    }

    .metric-cell strong {
      font-size: 3rem;
    }

    .metric-cell {
      padding-left: 22px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: .001ms !important;
      transition-duration: .001ms !important;
      scroll-behavior: auto !important;
    }
  }