/* roulang page: index */
:root {
  --pg-purple: #5B34E6;
  --pg-purple-deep: #4A25C7;
  --pg-purple-soft: #EFEAFE;
  --arc-orange: #FF772E;
  --arc-orange-hover: #FF8D3D;
  --arc-orange-dark: #A04A12;
  --pixel-lime: #C8F264;
  --paper: #F6F2EA;
  --white: #FFFFFF;
  --ink-panel: #16121F;
  --ink-soft: #1F1929;
  --text: #221E29;
  --muted: #6E6775;
  --line: #E9E1D6;
  --success: #2CB679;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 1px 0 rgba(0,0,0,.02), 0 12px 24px -18px rgba(20,10,40,.22);
  --shadow-lift: 0 20px 42px -20px rgba(20,10,40,.3);
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

p {
  margin-top: 0;
}

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

a:hover {
  color: var(--pg-purple);
}

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

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

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

.container {
  max-width: 1240px;
}

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

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

.section-head {
  max-width: 780px;
  margin-bottom: 2.6rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pg-purple);
  font-weight: 800;
  font-size: .9rem;
  letter-spacing: .3px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 99px;
  background: var(--arc-orange);
}

.section-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.32;
  margin: .7rem 0 0;
}

.section-head .section-desc {
  color: var(--muted);
  margin: .9rem 0 0;
  font-size: 1rem;
}

.narrow-container {
  max-width: 900px;
}

/* header */
.site-header {
  background: var(--ink-panel);
  position: sticky;
  top: 0;
  z-index: 1040;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  border-radius: 14px;
}

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

.logo-chip {
  width: 40px;
  height: 40px;
  border-radius: 13px 13px 13px 5px;
  background: var(--pg-purple);
  color: var(--white);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: .5px;
  box-shadow: 0 0 0 2px rgba(200,242,100,.55);
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  gap: 2px;
}

.brand-text strong {
  font-size: 1.18rem;
  font-weight: 900;
  letter-spacing: .1px;
  color: var(--white);
}

.brand-text small {
  font-size: .74rem;
  letter-spacing: 1.9px;
  color: var(--pixel-lime);
  font-weight: 600;
}

.desktop-nav {
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 999px;
  color: #CFC7DA;
  font-weight: 600;
  font-size: .95rem;
  transition: all .2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,.08);
}

.nav-link.active {
  background: rgba(255,255,255,.14);
  color: var(--white);
}

.nav-link.active::after {
  content: "";
  width: 14px;
  height: 3px;
  border-radius: 99px;
  background: var(--arc-orange);
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--arc-orange);
  color: var(--ink-panel);
  border-radius: 999px;
  font-weight: 800;
  padding: 9px 22px;
  margin-left: 16px;
  font-size: .95rem;
  box-shadow: 0 4px 0 var(--arc-orange-dark);
  transition: all .18s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--arc-orange-hover);
  color: var(--ink-panel);
  transform: translateY(-1px);
  box-shadow: 0 5px 0 var(--arc-orange-dark);
}

.nav-toggler {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  margin-left: auto;
  color: var(--white);
}

.nav-toggler:hover {
  background: rgba(255,255,255,.16);
}

.offcanvas-bg-dark {
  background: var(--ink-panel) !important;
  color: var(--white);
}

.mobile-canvas-title {
  font-weight: 800;
  font-size: 1.1rem;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-link {
  color: #CFC7DA;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: 12px;
  padding: 12px 16px;
}

.mobile-link:hover, .mobile-link.active {
  color: var(--white);
  background: rgba(255,255,255,.1);
}

.mobile-cta {
  color: var(--ink-panel);
  background: var(--arc-orange);
  border-radius: 12px;
  font-weight: 800;
  padding: 12px 16px;
  text-align: center;
  margin-top: 6px;
}

.mobile-note {
  color: #8E83A0;
  font-size: .85rem;
  margin-top: 28px;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255,255,255,.08);
}

@media (min-width: 992px) {
  .mobile-offcanvas {
    display: none !important;
  }
}

/* countdown */
.countdown-bar {
  background: var(--ink-soft);
  color: #E9E4F0;
  border-bottom: 4px solid var(--arc-orange);
}

.countdown-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px 22px;
  flex-wrap: wrap;
  padding: 10px 0;
}

.cd-label {
  font-weight: 700;
  font-size: .96rem;
  color: var(--white);
}

.cd-desc {
  color: #A99DB8;
  font-size: .9rem;
}

.cd-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cd-num {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 4px 10px;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--white);
}

.cd-num i {
  font-style: normal;
  color: #A99DB8;
  font-weight: 600;
  font-size: .82rem;
}

.cd-sep {
  color: var(--arc-orange);
  font-weight: 900;
}

.cd-link {
  display: inline-flex;
  color: var(--pixel-lime);
  font-weight: 700;
  font-size: .92rem;
  border-bottom: 1px dashed rgba(200,242,100,.45);
  padding-bottom: 2px;
}

.cd-link:hover {
  color: var(--pixel-lime);
  border-bottom-style: solid;
}

/* hero */
.hero {
  position: relative;
  background: var(--ink-panel);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  opacity: .25;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22,18,31,.98) 0%, rgba(22,18,31,.8) 60%, rgba(91,52,230,.16) 100%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-row {
  padding: clamp(3rem, 6vw, 5.5rem) 0;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .84rem;
  font-weight: 700;
  color: #E6DFF2;
  margin-bottom: 1.2rem;
}

.hero-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pixel-lime);
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.22;
  margin: 0 0 1rem;
  color: var(--white);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #C7BED6;
  max-width: 560px;
  margin-bottom: 1.8rem;
}

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

.btn {
  border-radius: 12px;
  padding: 12px 24px;
  font-weight: 700;
  transition: all .2s ease;
}

.btn-pg {
  background: var(--arc-orange);
  border: 1px solid var(--arc-orange);
  color: var(--ink-panel);
  box-shadow: 0 4px 0 var(--arc-orange-dark);
}

.btn-pg:hover {
  background: var(--arc-orange-hover);
  border-color: var(--arc-orange-hover);
  color: var(--ink-panel);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--arc-orange-dark);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  color: var(--white);
}

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

.hero-note {
  margin-top: 1.4rem;
  color: #857D92;
  font-size: .85rem;
  display: flex;
  gap: 8px;
  align-items: center;
}

.hero-note::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--arc-orange);
}

.hero-figure {
  position: relative;
  margin: 0;
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 24px 60px -28px rgba(0,0,0,.55);
}

.hero-figure figcaption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: .88rem;
  color: #D8D0E8;
  background: rgba(0,0,0,.22);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.1);
  padding: 7px 14px;
  border-radius: 999px;
}

.hero-figure figcaption i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pixel-lime);
  display: inline-block;
}

/* feature */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(1.5rem, 2.6vw, 2.2rem);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
}

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

.feature-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.feature-index {
  font-size: 2.2rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.6px var(--pg-purple);
  line-height: 1;
  letter-spacing: -.5px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--pg-purple-soft);
  color: var(--pg-purple);
  border-radius: 15px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-badge {
  position: absolute;
  right: 18px;
  top: 18px;
  background: rgba(91,52,230,.1);
  color: var(--pg-purple);
  font-size: .78rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 4px 11px;
  letter-spacing: .4px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--text);
}

.feature-card p {
  color: var(--muted);
  margin-bottom: 14px;
}

.feature-tag {
  display: inline-block;
  font-size: .82rem;
  color: var(--arc-orange-dark);
  background: rgba(255,119,46,.12);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 700;
}

/* gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 220px;
  gap: 20px;
}

.gallery-item {
  position: relative;
  display: block;
  border-radius: 22px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(22,18,31,0) 35%, rgba(22,18,31,.74) 100%);
  pointer-events: none;
}

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

.gallery-item:hover img {
  transform: scale(1.035);
}

.gallery-main {
  grid-column: span 7;
  grid-row: span 2;
}

.gallery-sub {
  grid-column: span 5;
}

.gallery-sub.b {
  grid-column: span 5;
}

.gallery-meta {
  position: absolute;
  left: 18px;
  right: 16px;
  bottom: 16px;
  z-index: 2;
  color: var(--white);
}

.gallery-meta b {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
}

.gallery-meta small {
  color: rgba(255,255,255,.82);
  font-size: .86rem;
  display: block;
  margin-top: 2px;
}

/* signup CTA */
.signup-wrap {
  background: linear-gradient(125deg, #4A25C7 0%, #1E1533 82%);
  border-radius: 32px;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 4rem);
  position: relative;
}

.signup-wrap::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -70px;
  top: -70px;
  background: rgba(200,242,100,.18);
  border-radius: 50%;
  pointer-events: none;
}

.signup-kicker {
  color: var(--pixel-lime);
  font-weight: 800;
  letter-spacing: 1px;
  font-size: .9rem;
}

.signup-wrap h2 {
  color: var(--white);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 900;
  line-height: 1.35;
  margin: .8rem 0 1.1rem;
}

.signup-wrap .signup-desc {
  color: #D4CBDE;
  font-size: 1rem;
  max-width: 520px;
  margin-bottom: 1.6rem;
}

.key-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.key-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255,255,255,.15);
  color: #EDE8F2;
  font-size: .94rem;
}

.key-list li:last-child {
  border-bottom: none;
}

.key-label {
  flex: none;
  min-width: 78px;
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  font-weight: 700;
  display: inline-flex;
  gap: 6px;
}

.key-label::after {
  content: ":";
  color: var(--arc-orange);
  font-weight: 900;
}

.signup-card {
  background: var(--white);
  border-radius: 24px;
  padding: 1.8rem 1.7rem 1.6rem;
  box-shadow: 0 24px 52px -28px rgba(0,0,0,.6);
  margin-left: auto;
  max-width: 440px;
}

.signup-card h3 {
  font-weight: 800;
  font-size: 1.35rem;
  margin-bottom: 2px;
}

.signup-card .form-title-sub {
  color: var(--muted);
  font-size: .87rem;
  margin-bottom: 1.4rem;
}

.form-label {
  font-weight: 700;
  font-size: .88rem;
  margin-bottom: 6px;
  color: var(--text);
}

.form-control {
  background: #FAF8FF;
  border: 1px solid #DCD4E8;
  border-radius: 12px;
  min-height: 46px;
  color: var(--text);
  padding: 10px 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control::placeholder {
  color: #A9A1B5;
}

.form-control:focus {
  background: #fff;
  border-color: var(--pg-purple);
  box-shadow: 0 0 0 3px rgba(91,52,230,.16);
}

textarea.form-control {
  min-height: 86px;
}

.btn-submit {
  background: var(--arc-orange);
  color: var(--ink-panel);
  border-radius: 12px;
  padding: 13px 20px;
  border: 1px solid var(--arc-orange);
  font-weight: 800;
  box-shadow: 0 4px 0 var(--arc-orange-dark);
  margin-top: 4px;
}

.btn-submit:hover {
  background: var(--arc-orange-hover);
  border-color: var(--arc-orange-hover);
  color: var(--ink-panel);
  transform: translateY(-1px);
  box-shadow: 0 5px 0 var(--arc-orange-dark);
}

.form-tip {
  font-size: .78rem;
  color: #9A92A6;
  margin: .9rem 0 0;
  text-align: center;
}

/* faq */
.faq-acc .accordion-item {
  background: #FFF9EF;
  border: 1px solid rgba(91,52,230,.14);
  border-radius: 16px !important;
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: 0 4px 0 rgba(0,0,0,0.02);
}

.faq-acc .accordion-button {
  background: transparent;
  color: var(--text);
  font-weight: 700;
  font-size: 1.02rem;
  padding: 1rem 1.35rem;
  box-shadow: none;
  transition: .2s;
}

.faq-acc .accordion-button:not(.collapsed) {
  background: #FFF8EA;
  color: var(--text);
  box-shadow: inset 4px 0 0 var(--arc-orange);
}

.faq-acc .accordion-button:hover {
  background: #FFF8EA;
}

.faq-acc .accordion-button::after {
  content: "+";
  background-image: none;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--pg-purple);
  font-weight: 400;
  line-height: 1;
  transform: none;
  transition: transform .2s;
}

.faq-acc .accordion-button:not(.collapsed)::after {
  content: "−";
  background-image: none;
  transform: none;
  color: var(--arc-orange);
}

.faq-acc .accordion-body {
  padding: .2rem 1.35rem 1.5rem;
  color: #5C5568;
  font-size: .97rem;
}

.faq-acc .accordion-body p {
  margin-bottom: .5rem;
}

/* news */
.news-head-note {
  color: var(--muted);
  margin-top: .6rem;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.news-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

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

.news-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.news-cat {
  background: var(--pg-purple-soft);
  color: var(--pg-purple);
  font-size: .78rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
}

.news-date {
  color: #8F879B;
  font-size: .82rem;
  font-variant-numeric: tabular-nums;
}

.news-title {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.45;
  margin: 0 0 8px;
}

.news-title a {
  color: var(--text);
}

.news-title a:hover {
  color: var(--pg-purple);
}

.news-desc {
  color: var(--muted);
  font-size: .93rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--pg-purple);
  font-weight: 800;
  font-size: .88rem;
}

.news-more svg {
  transition: transform .2s;
}

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

.news-empty {
  border: 2px dashed #CFC7DA;
  background: rgba(255,255,255,.55);
  border-radius: 18px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  font-size: .95rem;
}

/* footer */
.site-footer {
  background: var(--ink-panel);
  color: #A99DB8;
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-brand-head strong {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 900;
}

.footer-desc {
  color: #9D91AD;
  font-size: .9rem;
  max-width: 360px;
}

.footer-title {
  color: var(--white);
  font-size: 1.02rem;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255,255,255,.1);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: #A99DB8;
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--arc-orange);
  border-radius: 50%;
}

.footer-contact {
  font-size: .92rem;
  color: #BDB2CD;
  line-height: 1.85;
}

.footer-contact .tag-note {
  display: inline-block;
  background: rgba(200,242,100,.12);
  color: var(--pixel-lime);
  font-size: .8rem;
  border-radius: 999px;
  padding: 3px 10px;
  margin-top: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  color: #756B85;
  font-size: .84rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-bottom .site-owner {
  color: var(--white);
  font-weight: 700;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--pg-purple);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(61,29,130,.35);
  opacity: .9;
  transition: .2s;
  z-index: 500;
}

.back-top:hover {
  color: var(--white);
  opacity: 1;
  transform: translateY(-3px);
}

/* responsive */
@media (max-width: 1199.98px) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    min-height: 64px;
  }

  .hero-figure {
    margin-top: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px 26px;
  }
}

@media (max-width: 767.98px) {
  .countdown-inner {
    justify-content: flex-start;
    padding: 12px 4px;
    gap: 8px 14px;
  }

  .cd-desc {
    width: 100%;
  }

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

  .feature-card {
    padding: 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery-main,
  .gallery-sub,
  .gallery-sub.b {
    grid-column: auto;
    grid-row: span 1;
  }

  .gallery-main {
    grid-row: span 2;
  }

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

  .signup-wrap {
    padding: 1.8rem 1.4rem 2.2rem;
    border-radius: 24px;
  }

  .signup-card {
    margin: 18px 0 0;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

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

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

@media (min-width: 768px) and (max-width: 991.98px) {
  .signup-card {
    margin: 18px auto 0;
  }

  .gallery-sub {
    grid-column: span 6;
  }

  .gallery-sub.b {
    grid-column: span 6;
  }
}

@media (min-width: 576px) and (max-width: 767.98px) {
  .hero-actions .btn {
    width: auto;
  }
}

/* roulang page: category1 */
:root {
  --pg-purple: #5B34E6;
  --arcade-orange: #FF772E;
  --pixel-lime: #C8F264;
  --paper: #F6F2EA;
  --ink: #16121F;
  --ink-soft: #1F1929;
  --card: #FFFFFF;
  --body: #221E29;
  --muted: #6E6775;
  --line: #E9E1D6;
  --success-green: #2CB679;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 0 rgba(0,0,0,.02), 0 12px 24px -16px rgba(20,10,40,.18);
  --shadow-hover: 0 2px 4px rgba(20,10,40,.04), 0 22px 36px -20px rgba(31,18,60,.26);
  --transition: all .22s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  background: var(--paper);
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input {
  font: inherit;
}

.container {
  max-width: 1240px;
}

.content-section {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-head {
  margin-bottom: 2.2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  font-weight: 700;
  color: var(--pg-purple);
  letter-spacing: 0;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--arcade-orange);
  border-radius: 3px;
}

.section-head h2,
.section-head p {
  margin: 0;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  margin-top: .55rem;
  margin-bottom: .4rem;
}

.section-head .section-subtitle {
  color: var(--muted);
  font-size: 1rem;
  max-width: 760px;
}

/* -------- header / navigation -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--pg-purple), var(--arcade-orange) 60%, var(--arcade-orange));
  opacity: .85;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
}

.logo-chip {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--arcade-orange), #ff9a4d);
  color: var(--ink);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0;
  box-shadow: 0 3px 0 #ac4a16;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-text small {
  font-size: .73rem;
  color: #B8AEC4;
  margin-top: 3px;
  letter-spacing: .04em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-left: auto;
}

.desktop-nav .nav-link {
  color: #E9E4F0;
  font-size: .95rem;
  font-weight: 600;
  padding: .55rem .2rem;
  position: relative;
  white-space: nowrap;
  letter-spacing: 0;
}

.desktop-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 3px;
  background: var(--arcade-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s ease;
}

.desktop-nav .nav-link:hover {
  color: #fff;
}

.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.active::after {
  transform: scaleX(1);
}

.desktop-nav .nav-link.active {
  color: #fff;
  background: rgba(91,52,230,.22);
  border-radius: 10px;
  padding: .55rem 1rem;
}

.desktop-nav .nav-link.active::after {
  left: 1rem;
  right: 1rem;
}

.nav-cta {
  background: var(--arcade-orange);
  color: #221E29;
  font-weight: 800;
  font-size: .9rem;
  padding: .6rem 1.2rem;
  border-radius: 10px;
  box-shadow: 0 3px 0 #ab4d16;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-cta:hover {
  background: #ff8b4d;
  transform: translateY(-2px);
  color: #221E29;
}

.nav-toggler {
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggler:hover {
  border-color: var(--arcade-orange);
  color: var(--arcade-orange);
}

/* mobile offcanvas */
.mobile-menu.offcanvas {
  background: var(--ink);
  color: #fff;
  width: min(330px, 86vw);
}

.mobile-menu .offcanvas-header {
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 1.2rem;
}

.mobile-menu .offcanvas-header .btn-close {
  background: transparent;
  width: 40px;
  height: 40px;
  opacity: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: invert(1);
}

.mobile-menu .offcanvas-body {
  padding: 1.4rem 1.2rem;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.mobile-nav-list a {
  display: block;
  color: #E9E4F0;
  border-radius: 12px;
  padding: .85rem 1rem;
  font-weight: 600;
  background: rgba(255,255,255,.04);
  transition: var(--transition);
}

.mobile-nav-list a:hover,
.mobile-nav-list a.active {
  background: rgba(91,52,230,.28);
  color: #fff;
  padding-left: 1.3rem;
}

.mobile-nav-list .mobile-cta {
  background: var(--arcade-orange);
  color: var(--ink);
  font-weight: 800;
  color: #221E29;
}

/* -------- card/button common -------- */
.btn-arcade,
.btn-purple,
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 800;
  font-size: .96rem;
  padding: .75rem 1.4rem;
  border-radius: 12px;
  border: 0;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-arcade {
  background: var(--arcade-orange);
  color: var(--ink);
  box-shadow: 0 4px 0 #a44a14;
}

.btn-arcade:hover {
  background: #ff8542;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #a44a14;
  color: var(--ink);
}

.btn-purple {
  background: var(--pg-purple);
  color: #fff;
  box-shadow: 0 4px 0 #39228c;
}

.btn-purple:hover {
  background: #6a45ee;
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 6px 0 #39228c;
}

.btn-outline-light {
  border: 1px solid rgba(255,255,255,.36);
  background: rgba(255,255,255,.04);
  color: #fff;
}

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

.pill-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(91,52,230,.1);
  color: var(--pg-purple);
  padding: .35rem .85rem;
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 700;
}

.pill-light {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  padding: .3rem .75rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
}

/* category hero */
.cat-hero {
  position: relative;
  background-color: var(--ink);
  background-image: linear-gradient(100deg, rgba(22,18,31,.96) 0%, rgba(22,18,31,.9) 48%, rgba(22,18,31,.72) 100%), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center center;
  color: #fff;
  padding: clamp(3.6rem, 8vw, 6.2rem) 0;
}

.cat-hero .container {
  position: relative;
  z-index: 2;
}

.cat-breadcrumb {
  margin-bottom: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  font-size: .9rem;
  color: #c5bccc;
}

.cat-breadcrumb a {
  color: #c5bccc;
}

.cat-breadcrumb a:hover {
  color: var(--arcade-orange);
}

.cat-breadcrumb span {
  color: #7f7486;
}

.cat-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  margin: .9rem 0 1.1rem;
  color: #fff;
}

.cat-hero h1 span {
  color: var(--arcade-orange);
}

.cat-hero-lead {
  font-size: 1.08rem;
  color: #E9E4F0;
  max-width: 660px;
  margin-bottom: 1.7rem;
  line-height: 1.85;
}

.cat-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.8rem;
  color: #cfc5d6;
  font-size: .9rem;
}

.cat-hero-meta div {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.cat-hero-meta svg {
  color: var(--pixel-lime);
}

.hero-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  border: 1px solid rgba(255,255,255,.16);
  aspect-ratio: 4/3;
  background: var(--ink-soft);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* content cards */
.card-cover {
  background: var(--card);
  border: 1px solid rgba(30,20,50,.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}

.card-cover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(91,52,230,.16);
}

.feature-card-main .feature-body {
  padding: 1.6rem 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  height: calc(100% - 0px);
}

.feature-card-main .thumb-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 0;
}

.feature-card-main .thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.card-cover:hover .thumb-wrap img {
  transform: scale(1.03);
}

.article-label {
  display: inline-flex;
  align-items: center;
  font-size: .78rem;
  color: var(--pg-purple);
  background: rgba(91,52,230,.08);
  padding: .24rem .7rem;
  border-radius: 999px;
  font-weight: 700;
  align-self: flex-start;
}

.feature-card-main h3 {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0;
}

.feature-card-main h3 a {
  color: var(--ink);
}

.feature-card-main h3 a:hover {
  color: var(--pg-purple);
}

.feature-card-main p {
  color: var(--muted);
  font-size: .96rem;
  margin: 0;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  margin-top: .5rem;
  color: var(--muted);
  font-size: .85rem;
}

.go-arrow {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--arcade-orange);
  font-weight: 700;
  transition: var(--transition);
}

.go-arrow svg {
  transition: transform .2s ease;
}

.card-cover:hover .go-arrow {
  color: var(--ink);
}

.card-cover:hover .go-arrow svg {
  transform: translateX(4px);
}

.feature-side-grid {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 1.2rem;
}

.feature-side-card {
  flex: 1;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid rgba(30,20,50,.06);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.feature-side-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(91,52,230,.14);
}

.side-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 12px;
  background: rgba(91,52,230,.1);
  color: var(--pg-purple);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.feature-side-card h4 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 .25rem;
}

.feature-side-card p {
  color: var(--muted);
  font-size: .88rem;
  margin: 0;
  line-height: 1.65;
}

.feature-side-card h4 a:hover {
  color: var(--pg-purple);
}

/* mode split */
.mode-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.2rem;
  align-items: center;
  margin-bottom: 3.4rem;
}

.mode-split:last-child {
  margin-bottom: 0;
}

.mode-split.reverse .mode-media {
  order: 2;
}

.mode-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(30,20,50,.06);
}

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

.mode-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(91,52,230,.08) 0%, transparent 45%);
  pointer-events: none;
}

.mode-content .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: var(--ink);
  color: var(--pixel-lime);
  border-radius: 16px;
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 1.1rem;
  box-shadow: 0 4px 0 rgba(20,10,40,.4);
}

.mode-content h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: .7rem;
}

.mode-content p {
  color: var(--muted);
  margin-bottom: 1rem;
  max-width: 60ch;
}

.mode-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.mode-list li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .95rem;
  line-height: 1.7;
}

.mode-list li svg {
  flex: 0 0 auto;
  margin-top: .35rem;
  color: var(--success-green);
}

/* checklist */
.check-note-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(30,20,50,.06);
  box-shadow: var(--shadow-card);
  padding: 1.7rem;
  margin-top: 2rem;
}

.check-note-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: .4rem;
}

.check-note-card .check-desc {
  color: var(--muted);
  font-size: .9rem;
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.6rem;
  margin-top: 1.1rem;
  list-style: none;
  padding: 0;
}

.check-grid li {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  font-size: .94rem;
  line-height: 1.65;
}

.check-grid svg {
  flex: 0 0 auto;
  margin-top: .3rem;
  color: var(--success-green);
}

/* reading list */
.read-list-section {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.read-item {
  background: #fff;
  border: 1px solid rgba(30,20,50,.07);
  border-radius: var(--radius);
  padding: 1.3rem;
  display: flex;
  gap: 1.3rem;
  align-items: center;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.read-item:last-child {
  margin-bottom: 0;
}

.read-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(91,52,230,.13);
}

.read-thumb {
  width: 184px;
  height: 122px;
  flex: 0 0 184px;
  border-radius: 12px;
  overflow: hidden;
}

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

.read-item:hover .read-thumb img {
  transform: scale(1.05);
}

.read-main {
  flex: 1;
  min-width: 0;
}

.read-main .article-label {
  margin-bottom: .5rem;
}

.read-main h4 {
  font-size: 1.12rem;
  font-weight: 800;
  margin: 0 0 .35rem;
  line-height: 1.45;
}

.read-main h4 a:hover {
  color: var(--pg-purple);
}

.read-main .read-excerpt {
  color: var(--muted);
  font-size: .92rem;
  margin: 0 0 .5rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.read-date {
  color: var(--muted);
  font-size: .82rem;
}

/* FAQ */
.faq-wrap {
  max-width: 850px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  border: 1px solid rgba(30,20,50,.08);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 10px -8px rgba(20,10,40,.1);
  margin-bottom: .85rem;
}

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

.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(91,52,230,.24);
  box-shadow: 0 0 0 3px rgba(91,52,230,.08);
}

.faq-accordion .accordion-button {
  background: #fff;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.02rem;
  padding: 1.1rem 1.3rem;
  box-shadow: none;
  letter-spacing: 0;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: #fff;
  color: var(--pg-purple);
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.faq-accordion .accordion-button::after {
  background-image: none;
  content: "+";
  width: auto;
  height: auto;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--pg-purple);
  transition: transform .25s ease;
  line-height: 1;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  content: "−";
}

.faq-accordion .accordion-body {
  padding: 0 1.4rem 1.35rem;
  color: var(--muted);
  line-height: 1.85;
  font-size: .96rem;
}

/* CTA */
.cta-dark-panel {
  position: relative;
  background-image: linear-gradient(115deg, rgba(22,18,31,.97), rgba(22,18,31,.88)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: 22px;
  overflow: hidden;
  color: #fff;
  padding: clamp(2.6rem, 5.5vw, 4rem);
  box-shadow: 0 24px 60px -22px rgba(10,5,20,.6);
}

.cta-dark-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 5px;
  background: linear-gradient(90deg, var(--arcade-orange), var(--pixel-lime));
  border-radius: 0 5px 5px 0;
}

.cta-dark-panel h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 900;
  margin-bottom: .8rem;
}

.cta-dark-panel p {
  color: #E9E4F0;
  max-width: 640px;
  margin-bottom: 1.8rem;
  line-height: 1.8;
}

.cta-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-quick-links {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: #b9b0c4;
  font-size: .93rem;
}

.cta-quick-links a {
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.3);
}

.cta-quick-links a:hover {
  border-color: var(--arcade-orange);
  color: var(--arcade-orange);
}

/* footer */
.site-footer {
  background: var(--ink);
  color: #D8D0DD;
  margin-top: clamp(4rem,8vw,6rem);
}

.site-footer::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--pg-purple), var(--arcade-orange));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.4rem;
  padding: clamp(2.6rem, 5vw, 4rem) 0 2.2rem;
}

.footer-brand-head {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-desc {
  margin: 1rem 0 0;
  color: #a79daf;
  font-size: .92rem;
  line-height: 1.8;
}

.footer-title {
  color: #fff;
  font-size: .96rem;
  font-weight: 800;
  margin: 0 0 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer-links a {
  color: #c3b9ca;
  font-size: .93rem;
}

.footer-links a:hover {
  color: var(--arcade-orange);
  padding-left: 3px;
}

.footer-contact {
  font-size: .9rem;
  line-height: 1.8;
  color: #c3b9ca;
}

.tag-note {
  display: inline-flex;
  background: rgba(200,242,100,.12);
  color: var(--pixel-lime);
  padding: .2rem .7rem;
  border-radius: 999px;
  font-size: .78rem;
  margin-top: .7rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.2rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  font-size: .85rem;
  color: #8c8296;
}

.site-owner {
  color: #b6acbf;
}

/* responsive */
@media (max-width: 1199.98px) {
  .header-inner {
    height: 68px;
  }

  .desktop-nav {
    gap: 1rem;
  }

  .desktop-nav .nav-link {
    font-size: .9rem;
  }

  .mode-split {
    gap: 1.8rem;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    height: 64px;
  }

  .desktop-nav {
    display: none !important;
  }

  .nav-toggler {
    display: inline-flex;
  }

  .cat-hero {
    padding: 3.2rem 0;
  }

  .hero-visual {
    margin-top: 1.5rem;
  }

  .mode-split {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    margin-bottom: 2.6rem;
  }

  .mode-split.reverse .mode-media {
    order: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 767.98px) {
  .content-section {
    padding: 3.2rem 0;
  }

  .cat-hero h1 {
    font-size: 2rem;
  }

  .cat-hero-lead {
    font-size: 1rem;
  }

  .read-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .read-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    flex: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .cta-btn-row .btn-arcade,
  .cta-btn-row .btn-outline-light {
    width: 100%;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.2rem 0 1.6rem;
  }
}

@media (max-width: 520px) {
  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    font-size: .68rem;
  }

  .logo-chip {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    font-size: .92rem;
  }

  .cat-hero-meta {
    flex-direction: column;
    gap: .6rem;
  }

  .cta-dark-panel {
    padding: 1.8rem 1.4rem;
  }
}

/* roulang page: article */
:root {
            --pg-purple: #5B34E6;
            --purple-deep: #4626B3;
            --arcade-orange: #FF772E;
            --orange-deep: #B84E0F;
            --pixel-lime: #C8F264;
            --paper: #F6F2EA;
            --ink: #16121F;
            --ink-soft: #1F1929;
            --white: #FFFFFF;
            --text-main: #221E29;
            --text-sub: #6E6775;
            --line: #E9E1D6;
            --line-dark: rgba(255, 255, 255, 0.12);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --shadow-card: 0 1px 0 rgba(0,0,0,.02), 0 12px 24px -16px rgba(20,10,40,.18);
            --shadow-hover: 0 18px 34px -18px rgba(30,14,60,.28);
            --space-section: clamp(3.5rem, 7vw, 6rem);
        }

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

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--paper);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; height: auto; }
        a { color: var(--pg-purple); text-decoration: none; transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease; }
        a:hover { color: var(--purple-deep); }
        p { margin: 0 0 1.2em; }
        h1, h2, h3, h4, h5 { line-height: 1.3; margin: 0 0 .6em; }

        .container {
            max-width: 1240px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--ink);
            border-bottom: 1px solid rgba(255,255,255,.06);
        }

        .header-inner {
            min-height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
        }

        .brand-text { line-height: 1.2; }
        .brand-text strong {
            display: block;
            color: #fff;
            font-size: 1.12rem;
            font-weight: 800;
            letter-spacing: 0;
        }
        .brand-text small {
            display: block;
            color: #B9B0C8;
            font-size: .72rem;
            font-weight: 500;
        }

        .logo-chip {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px 16px 12px 16px;
            background: linear-gradient(145deg, #7352E8, var(--pg-purple));
            color: #fff;
            font-size: .9rem;
            font-weight: 900;
            border-bottom: 3px solid var(--arcade-orange);
            box-shadow: 0 8px 16px -8px rgba(91,52,230,.5);
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .desktop-nav .nav-link {
            position: relative;
            color: rgba(255,255,255,.74);
            font-size: .95rem;
            font-weight: 600;
            padding: 8px 2px;
            border-radius: 6px;
        }
        .desktop-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--arcade-orange);
            transition: width .22s ease;
        }
        .desktop-nav .nav-link:hover { color: #fff; }
        .desktop-nav .nav-link:hover::after,
        .desktop-nav .nav-link.active::after { width: 100%; }

        .desktop-nav .nav-link.active {
            color: var(--pixel-lime);
            background: rgba(91,52,230,.14);
            padding: 8px 12px;
        }

        .desktop-nav .nav-link.active::after { display: none; }

        .desktop-nav .nav-cta {
            background: var(--arcade-orange);
            color: #1B1426;
            font-weight: 700;
            font-size: .92rem;
            padding: .55rem 1.1rem;
            border-radius: 12px;
            border-bottom: 3px solid var(--orange-deep);
            transition: transform .2s ease, background .2s ease, color .2s ease;
        }
        .desktop-nav .nav-cta:hover { background: #FF8A4C; color: #1B1426; transform: translateY(-2px); }

        .nav-toggler {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 12px;
            color: #fff;
            transition: background .2s ease;
        }
        .nav-toggler:hover { background: rgba(255,255,255,.08); }

        /* Mobile offcanvas */
        .mobile-menu {
            background: var(--ink);
            color: #fff;
            border-left: 3px solid var(--pg-purple);
            width: min(320px, 86vw) !important;
        }
        .mobile-menu .offcanvas-header { padding: 22px 20px 10px; }
        .mobile-menu .offcanvas-title { color: #fff; font-weight: 700; }
        .mobile-menu .btn-close { background: transparent; opacity: 1; }
        .mobile-menu .btn-close::before,
        .mobile-menu .btn-close::after {
            content: "";
            position: absolute;
            width: 18px;
            height: 2px;
            background: #E9E4F0;
            left: 50%;
            top: 50%;
        }
        .mobile-menu .btn-close { position: relative; filter: none; }
        .mobile-menu .btn-close::before { transform: translate(-50%, -50%) rotate(45deg); }
        .mobile-menu .btn-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
        .mobile-menu .offcanvas-body { padding: 14px 20px 24px; display: flex; flex-direction: column; gap: 8px; }

        .mobile-menu .mobile-navlink {
            display: block;
            color: #DFD8EA;
            font-weight: 600;
            font-size: 1rem;
            padding: 13px 14px;
            border-radius: 12px;
            border-bottom: 1px solid rgba(255,255,255,.06);
        }
        .mobile-menu .mobile-navlink:hover,
        .mobile-menu .mobile-navlink.active {
            color: var(--pixel-lime);
            background: rgba(91,52,230,.24);
        }

        .mobile-cta-link {
            margin-top: 10px;
            background: var(--arcade-orange);
            color: #1B1426;
            border-radius: 12px;
            text-align: center;
            font-weight: 800;
            padding: .85rem 1rem;
            border-bottom: 3px solid var(--orange-deep);
        }
        .mobile-cta-link:hover { color: #1B1426; background: #FF8A4C; }

        /* ===== Article Intro ===== */
        .article-head {
            position: relative;
            background-color: var(--ink);
            background-image: linear-gradient(120deg, rgba(22,18,31,.97) 0%, rgba(51,27,94,.87) 55%, rgba(91,52,230,.56) 100%), url('/assets/images/backpic/back-3.png');
            background-position: center;
            background-size: cover;
            padding: 50px 0 86px;
            color: #fff;
        }
        .article-head::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            height: 4px;
            width: 100%;
            background: linear-gradient(90deg, var(--arcade-orange) 0%, var(--pg-purple) 70%);
            opacity: .75;
        }
        .article-head .container { position: relative; z-index: 1; }
        .article-head h1 {
            color: #fff;
            font-size: clamp(1.9rem, 4.2vw, 3.1rem);
            font-weight: 900;
            line-height: 1.25;
            max-width: 860px;
            margin: 18px 0 18px;
            word-break: break-word;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .87rem;
            color: rgba(255,255,255,.72);
            margin-bottom: 12px;
        }
        .breadcrumb-nav a { color: #C8BEE0; }
        .breadcrumb-nav a:hover { color: var(--pixel-lime); }
        .breadcrumb-nav .crumb-divider { color: rgba(255,255,255,.4); }
        .breadcrumb-nav em,
        .breadcrumb-nav span[aria-current] { font-style: normal; color: var(--arcade-orange); }

        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8rem;
            font-weight: 700;
            padding: .4rem .9rem;
            background: rgba(91,52,230,.25);
            border: 1px solid rgba(200,242,100,.24);
            color: var(--pixel-lime);
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 20px;
            color: rgba(255,255,255,.76);
            font-size: .88rem;
            margin-top: 6px;
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .article-meta strong { color: #fff; font-weight: 600; }

        /* ===== Article Stage ===== */
        .article-stage {
            background: var(--paper);
            padding-bottom: 74px;
        }
        .article-panel-wrap { max-width: 820px; margin: 0 auto; }

        .article-panel {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(1.5rem, 4vw, 3.2rem);
            margin-top: -48px;
            position: relative;
            z-index: 3;
        }

        /* Rich text */
        .article-body { font-size: 1.06rem; line-height: 1.9; word-wrap: break-word; }
        .article-body > *:first-child { margin-top: 0; }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin: 2.4rem 0 1rem;
            padding-left: 14px;
            border-left: 4px solid var(--pg-purple);
            line-height: 1.45;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.9rem 0 .85rem;
            color: #251C33;
        }
        .article-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            margin: 1.5rem 0 .6rem;
            color: #2A203A;
        }
        .article-body p { margin-bottom: 1.2em; }
        .article-body a { color: var(--pg-purple); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--arcade-orange); }
        .article-body ul,
        .article-body ol { padding-left: 1.35rem; margin: 0 0 1.4rem; }
        .article-body li { margin-bottom: .35rem; }
        .article-body blockquote {
            margin: 2rem 0;
            padding: 1.1rem 1.4rem;
            background: rgba(91,52,230,.07);
            border-left: 4px solid var(--pg-purple);
            border-radius: 0 12px 12px 0;
            color: #3B3345;
        }
        .article-body blockquote p:last-child { margin-bottom: 0; }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 2rem auto;
            box-shadow: 0 10px 24px -18px rgba(20,10,40,.4);
        }
        .article-body figure { margin: 2rem auto; text-align: center; }
        .article-body figure img { margin-bottom: 8px; }
        .article-body figcaption { font-size: .85rem; color: var(--text-sub); line-height: 1.6; }
        .article-body table {
            width: 100%;
            margin: 1.8rem 0;
            border-collapse: collapse;
            font-size: .95rem;
            display: block;
            overflow-x: auto;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--line);
            padding: 10px 14px;
            text-align: left;
            vertical-align: top;
        }
        .article-body th {
            background: rgba(91,52,230,.08);
            color: #39256B;
            font-weight: 700;
        }
        .article-body tr:nth-child(even) td { background: rgba(246,242,234,.4); }
        .article-body code {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            background: #EFEAE1;
            color: #5A3A75;
            border-radius: 6px;
            font-size: .9em;
            padding: 2px 7px;
        }
        .article-body pre {
            background: #251C33;
            color: #E8E1F0;
            border-radius: var(--radius-md);
            padding: 1.4rem;
            overflow-x: auto;
            margin: 1.8rem 0;
        }
        .article-body pre code { background: transparent; color: inherit; padding: 0; }

        /* Tags & tool row */
        .tag-row {
            display: flex;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 2.6rem;
            padding-top: 1.6rem;
            border-top: 1px solid var(--line);
        }
        .mini-tag {
            display: inline-flex;
            align-items: center;
            padding: .34rem .85rem;
            font-size: .8rem;
            font-weight: 600;
            color: var(--pg-purple);
            background: rgba(91,52,230,.08);
            border: 1px solid rgba(91,52,230,.15);
            border-radius: 999px;
        }
        .tag-label { color: var(--text-sub); font-weight: 600; font-size: .85rem; margin-right: 4px; padding-top: 4px; }

        .entry-footer-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
            padding-top: 18px;
            border-top: 1px dashed var(--line);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: transparent;
            border: 1.5px solid var(--line);
            color: var(--text-main);
            border-radius: 12px;
            padding: .62rem 1.25rem;
            font-weight: 600;
            font-size: .92rem;
            transition: border-color .2s ease, background .2s ease, transform .2s ease, color .2s ease;
        }
        .btn-ghost:hover {
            border-color: var(--pg-purple);
            background: rgba(91,52,230,.06);
            color: var(--pg-purple);
            transform: translateY(-2px);
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--ink);
            color: #fff;
            border-radius: 12px;
            padding: .7rem 1.35rem;
            font-weight: 700;
            border-bottom: 3px solid #0D0B14;
            transition: transform .2s ease, background .2s ease, color .2s ease;
        }
        .btn-dark:hover { background: #2A2038; color: #fff; transform: translateY(-2px); }

        /* ===== Related ===== */
        .related-section {
            background: #EFE9DF;
            padding: 0 0 80px;
        }
        .section-headline {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 38px;
        }
        .section-headline .eyebrow {
            display: inline-block;
            font-size: .78rem;
            font-weight: 800;
            color: var(--pg-purple);
            padding: .35rem .95rem;
            border-radius: 999px;
            background: rgba(91,52,230,.12);
            margin-bottom: 12px;
        }
        .section-headline h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin: 4px 0 8px;
            color: var(--text-main);
        }
        .section-headline p { color: var(--text-sub); font-size: .95rem; margin-bottom: 0; }

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

        .relation-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: transform .25s ease, box-shadow .25s ease;
            color: var(--text-main);
        }
        .relation-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            color: var(--text-main);
        }
        .relation-card .rel-image { overflow: hidden; }
        .relation-card .rel-image img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .relation-card:hover .rel-image img { transform: scale(1.04); }
        .relation-body { padding: 1.35rem 1.5rem 1.55rem; display: flex; flex-direction: column; flex: 1; }
        .rel-tag {
            display: inline-flex;
            width: fit-content;
            font-size: .76rem;
            font-weight: 700;
            color: var(--pg-purple);
            padding: .24rem .7rem;
            border-radius: 999px;
            background: rgba(91,52,230,.1);
            margin-bottom: 12px;
        }
        .relation-body h3 { font-size: 1.12rem; font-weight: 800; margin-bottom: 8px; line-height: 1.45; }
        .relation-body p { font-size: .92rem; color: var(--text-sub); line-height: 1.7; flex: 1; }
        .rel-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .88rem;
            font-weight: 700;
            color: var(--pg-purple);
            margin-top: 10px;
        }
        .relation-card:hover .rel-more { color: var(--arcade-orange); }
        .rel-more svg { transition: transform .22s ease; }
        .relation-card:hover .rel-more svg { transform: translateX(4px); }

        /* ===== Mini CTA ===== */
        .article-cta { background: var(--paper); padding: 0 0 var(--space-section); }
        .article-cta .cta-card {
            background: linear-gradient(130deg, #3B2A5E, #5B34E6 80%);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            padding: clamp(1.5rem, 4vw, 2.6rem);
            box-shadow: var(--shadow-hover);
        }
        .cta-card h3 {
            color: #fff;
            font-size: clamp(1.25rem, 2.5vw, 1.8rem);
            font-weight: 800;
            margin-bottom: 6px;
        }
        .cta-card p { color: rgba(255,255,255,.78); margin-bottom: 0; font-size: .96rem; }

        .btn-arcade {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            background: var(--arcade-orange);
            color: #1B1426;
            font-weight: 800;
            font-size: 1rem;
            border-radius: 14px;
            padding: .9rem 1.7rem;
            border-bottom: 3px solid var(--orange-deep);
            transition: transform .2s ease, background .2s ease, color .2s ease;
            white-space: nowrap;
        }
        .btn-arcade:hover { background: #FF8A4C; color: #1B1426; transform: translateY(-3px); }

        /* ===== Empty ===== */
        .page-main-empty {
            padding: 90px 0;
            min-height: 60vh;
            background: var(--paper);
        }
        .not-found-box {
            width: min(600px, 90%);
            margin: 0 auto;
            background: #fff;
            border: 1px dashed var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 3.4rem 2.4rem;
            text-align: center;
        }
        .not-found-box h1 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .not-found-box .sub-line { color: var(--text-sub); margin-bottom: 1.6rem; }
        .not-found-box a {
            display: inline-flex;
            background: var(--pg-purple);
            color: #fff;
            font-weight: 700;
            padding: .75rem 1.6rem;
            border-radius: 12px;
            border-bottom: 3px solid var(--purple-deep);
            transition: transform .2s ease, background .2s ease;
        }
        .not-found-box a:hover { background: #6B48F0; color: #fff; transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: #CFC6DC;
            padding-top: 74px;
        }
        .site-footer .container { max-width: 1240px; }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.6fr;
            gap: 42px;
            padding-bottom: 44px;
            border-bottom: 1px solid var(--line-dark);
        }
        .footer-brand-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }
        .footer-brand-head strong {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
        }
        .footer-brand-area .footer-desc {
            color: #B3A9C2;
            max-width: 340px;
            line-height: 1.8;
            font-size: .94rem;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: #B9AFC8;
            font-size: .93rem;
        }
        .footer-links a:hover { color: var(--pixel-lime); }

        .footer-contact {
            color: #AFA6BD;
            font-size: .9rem;
            line-height: 1.8;
        }
        .tag-note {
            display: inline-block;
            margin-top: 12px;
            font-size: .78rem;
            color: rgba(200,242,100,.9);
            padding: .3rem .7rem;
            border: 1px solid rgba(200,242,100,.3);
            border-radius: 999px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 22px 0 26px;
            font-size: .8rem;
            color: #81798E;
        }
        .site-owner { color: #B7AEC5; }

        .footer-link-arrow { color: #6E6775; }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .header-inner { min-height: 64px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 767px) {
            body { font-size: 15px; }
            .container { padding-inline: 20px; }
            .article-head { padding: 40px 0 76px; }
            .article-meta { gap: 8px 16px; font-size: .82rem; }
            .article-panel { padding: 1.4rem 1.25rem 1.8rem; margin-top: -34px; }
            .article-body { font-size: 1rem; line-height: 1.85; }
            .article-body h2 { font-size: 1.35rem; }
            .article-body h3 { font-size: 1.15rem; }

            .relation-grid { grid-template-columns: 1fr; }
            .relation-card .rel-image img { height: 170px; }

            .article-cta .cta-card { flex-direction: column; text-align: center; align-items: center; }
            .cta-card p { margin-bottom: 8px; }
        }

        @media (max-width: 575px) {
            .footer-grid { grid-template-columns: 1fr; padding-bottom: 30px; }
            .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }
            .entry-footer-row { flex-direction: column; align-items: stretch; }
            .article-cta .cta-card { padding: 1.8rem 1.4rem; }
            .article-panel { padding: 1.25rem 1rem 1.6rem; }
            .breadcrumb-nav { gap: 5px; font-size: .8rem; }
        }

/* roulang page: category2 */
:root {
            --pg-purple: #5B34E6;
            --pg-purple-dark: #3f1eaf;
            --arcade-orange: #FF772E;
            --arcade-orange-dark: #b44f0d;
            --pixel-lime: #C8F264;
            --paper: #F6F2EA;
            --ink-panel: #16121F;
            --ink-soft: #1f1929;
            --card-white: #FFFFFF;
            --text-main: #221E29;
            --text-muted: #6E6775;
            --line-soft: #E9E1D6;
            --green-info: #2CB679;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-card: 0 1px 0 rgba(0, 0, 0, .02), 0 12px 24px -18px rgba(20, 10, 40, .22);
            --shadow-hover: 0 4px 10px -6px rgba(22, 18, 31, .12), 0 22px 32px -24px rgba(91, 52, 230, .22);
            --container-w: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: var(--container-w);
        }

        a {
            color: var(--pg-purple);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        p,
        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--text-main);
            font-weight: 800;
            line-height: 1.3;
        }

        .section-heading {
            max-width: 780px;
            margin-bottom: 2.4rem;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            color: var(--arcade-orange);
            font-size: .9rem;
            font-weight: 700;
        }

        .section-kicker::before {
            content: "";
            width: 26px;
            height: 3px;
            background: var(--arcade-orange);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            margin-top: .5rem;
            letter-spacing: 0;
        }

        .section-intro {
            color: var(--text-muted);
            font-size: 1rem;
            margin-top: .9rem;
            max-width: 720px;
        }

        .section {
            padding: clamp(3.6rem, 7vw, 6rem) 0;
        }

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

        .section-white {
            background: #FFFFFF;
        }

        /* Buttons */
        .btn {
            --bs-btn-focus-box-shadow: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border-radius: var(--radius-sm);
            padding: .68rem 1.35rem;
            font-weight: 800;
            font-size: .95rem;
            line-height: 1.4;
            transition: all .22s ease;
            border: 0;
        }

        .btn-arcade {
            background: var(--arcade-orange);
            color: #25170c;
            box-shadow: 0 5px 0 #a34b13;
        }

        .btn-arcade:hover {
            background: #ff874b;
            color: #171014;
            transform: translateY(-2px);
        }

        .btn-arcade:active {
            box-shadow: 0 2px 0 #a34b13;
            transform: translateY(1px);
        }

        .btn-line {
            background: rgba(255, 255, 255, 0.08);
            color: #F3EFFF;
            border: 1px solid rgba(255, 255, 255, 0.32);
        }

        .btn-line:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.56);
        }

        .btn-purple {
            background: var(--pg-purple);
            color: #fff;
            box-shadow: 0 4px 0 #321b7a;
        }

        .btn-purple:hover {
            background: #6c48ea;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lightoutline {
            background: transparent;
            color: var(--pg-purple);
            border: 1px solid rgba(91, 52, 230, 0.28);
        }

        .btn-lightoutline:hover {
            background: rgba(91, 52, 230, .08);
            border-color: rgba(91, 52, 230, .45);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(91, 52, 230, .3);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--ink-panel);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .header-inner {
            min-height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            flex-shrink: 0;
            color: #fff;
        }

        .brand:hover {
            color: #fff;
        }

        .logo-chip {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(145deg, var(--pg-purple), #7c53ef);
            color: #fff;
            font-weight: 900;
            font-size: .9rem;
            letter-spacing: -0.02em;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .16), 0 0 0 4px rgba(91, 52, 230, .22);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .brand-text strong {
            font-size: 1.03rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0;
        }

        .brand-text small {
            color: #a89fb8;
            font-size: .72rem;
            font-weight: 400;
            margin-top: 2px;
        }

        .desktop-nav {
            align-items: center;
            gap: 2px;
        }

        .desktop-nav .nav-link {
            display: inline-flex;
            align-items: center;
            color: #cfc8db;
            font-weight: 600;
            font-size: .92rem;
            padding: .58rem .95rem;
            border-radius: 999px;
            border: 0;
            line-height: 1.4;
            position: relative;
        }

        .desktop-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .07);
        }

        .desktop-nav .nav-link.active {
            background: rgba(91, 52, 230, .42);
            color: #fff;
        }

        .desktop-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 40%;
            right: 40%;
            bottom: 2px;
            height: 2px;
            border-radius: 99px;
            background: var(--pixel-lime);
        }

        .desktop-nav .nav-cta {
            margin-left: 16px;
            padding: .56rem 1.2rem;
            background: var(--arcade-orange);
            color: #25170c;
            border-radius: 999px;
            font-weight: 800;
            font-size: .88rem;
            box-shadow: 0 4px 0 #a34b13;
            transition: all .2s ease;
        }

        .desktop-nav .nav-cta:hover {
            transform: translateY(-2px);
            color: #171014;
            background: #ff874b;
        }

        .nav-toggler {
            border: 0;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .nav-toggler:hover {
            background: rgba(255, 255, 255, .14);
        }

        .pg-offcanvas {
            background: var(--ink-panel);
            color: #d8d2e4;
        }

        .pg-offcanvas .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .pg-offcanvas .offcanvas-title {
            color: #fff;
            font-weight: 800;
        }

        .pg-offcanvas .btn-close {
            filter: invert(1) grayscale(1);
            opacity: .8;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-top: 12px;
        }

        .mobile-nav a {
            color: #e6e2f0;
            padding: .75rem 1rem;
            border-radius: 12px;
            background: rgba(255, 255, 255, .05);
            font-weight: 600;
        }

        .mobile-nav a.active {
            color: #fff;
            background: rgba(91, 52, 230, .46);
        }

        .mobile-nav a.cta {
            background: var(--arcade-orange);
            color: #25170c;
            font-weight: 800;
            margin-top: 6px;
        }

        /* Hero */
        .category-hero {
            background: var(--ink-panel);
            position: relative;
            overflow: hidden;
            color: #d9d2e6;
            padding: clamp(3.5rem, 7vw, 6rem) 0;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .16;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -6%;
            top: -20%;
            width: 520px;
            height: 520px;
            background: rgba(91, 52, 230, .22);
            filter: blur(160px);
            pointer-events: none;
            border-radius: 50%;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
            gap: clamp(1.8rem, 4vw, 4rem);
            align-items: center;
        }

        .crumb {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-size: .78rem;
            color: #a89fb8;
            margin-bottom: 1.2rem;
        }

        .crumb a {
            color: #cfc8db;
        }

        .crumb a:hover {
            color: #fff;
        }

        .crumb span {
            color: #6f6a7a;
        }

        .pill {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 700;
            line-height: 1;
            padding: .48rem .9rem;
        }

        .pill-ghost {
            background: rgba(255, 255, 255, .12);
            color: #f0ecf7;
            border: 1px solid rgba(255, 255, 255, .12);
        }

        .pill-amber {
            background: rgba(255, 119, 46, .16);
            color: var(--arcade-orange);
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4.2vw, 3.2rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.18;
            margin-top: 1.1rem;
            letter-spacing: 0;
        }

        .category-hero h1 span {
            color: var(--pixel-lime);
        }

        .category-hero .lead {
            margin-top: 1.1rem;
            color: #c8c1d8;
            font-size: 1.06rem;
            line-height: 1.85;
            max-width: 650px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 1.9rem;
        }

        .cat-hero-media {
            position: relative;
        }

        .cat-hero-media figure {
            margin: 0;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .65);
            border: 1px solid rgba(255, 255, 255, .12);
            background: var(--ink-soft);
            aspect-ratio: 4 / 3;
        }

        .cat-hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Cards */
        .card-white {
            background: var(--card-white);
            border: 1px solid rgba(30, 20, 40, 0.06);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .card-hover {
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .tag {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            padding: .25rem .72rem;
            background: rgba(91, 52, 230, .12);
            color: var(--pg-purple);
            border-radius: 999px;
            font-size: .78rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .tag-orange {
            background: rgba(255, 119, 46, .13);
            color: #c65b18;
        }

        .tag-green {
            background: rgba(44, 182, 121, .14);
            color: #128458;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-weight: 800;
            font-size: .9rem;
            color: var(--pg-purple);
        }

        .link-arrow:hover {
            color: var(--pg-purple-dark);
        }

        .link-arrow svg {
            width: 15px;
            height: 15px;
            transition: transform .2s ease;
        }

        .link-arrow:hover svg {
            transform: translateX(4px);
        }

        /* Featured */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 26px;
        }

        .feature-main {
            grid-column: span 7;
        }

        .feature-side {
            grid-column: span 5;
            display: grid;
            gap: 26px;
        }

        .feature-main .feature-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--ink-soft);
        }

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

        .feature-main:hover .feature-media img {
            transform: scale(1.04);
        }

        .feature-main-body {
            padding: 1.7rem 1.8rem 2rem;
        }

        .feature-main-body h3 {
            font-size: 1.4rem;
            margin: .85rem 0 .65rem;
        }

        .feature-main-body p {
            color: var(--text-muted);
            font-size: .98rem;
            line-height: 1.8;
            margin: .4rem 0 1.1rem;
        }

        .feature-footer {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 1.3rem;
        }

        .side-card {
            padding: 1rem 1rem 0;
            background: #fff;
            border: 1px solid rgba(30, 20, 40, .06);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease;
        }

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

        .side-card .side-media {
            overflow: hidden;
            border-radius: 16px;
            aspect-ratio: 16 / 9;
            background: #f0f0f0;
        }

        .side-card .side-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .side-card:hover .side-media img {
            transform: scale(1.04);
        }

        .side-card .side-content {
            padding: 1.1rem .2rem 1rem;
        }

        .side-card .side-content h3 {
            font-size: 1.06rem;
            line-height: 1.5;
            margin: .45rem 0 .35rem;
        }

        .side-card .side-content p {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.7;
            margin-bottom: .3rem;
        }

        .meta-text {
            color: var(--text-muted);
            font-size: .8rem;
            display: inline-flex;
            align-items: center;
            gap: .6rem;
        }

        /* Timeline */
        .timeline-panel {
            background: #fff;
            border: 1px solid rgba(30, 20, 40, .06);
            border-radius: var(--radius-lg);
            padding: 1.2rem 2rem 2.3rem;
        }

        .timeline-item {
            display: grid;
            grid-template-columns: 130px 1fr auto;
            gap: 20px;
            align-items: start;
            padding: 1.75rem 0;
            border-bottom: 1px solid var(--line-soft);
        }

        .timeline-item:last-child {
            border-bottom: 0;
        }

        .timeline-date {
            font-size: .85rem;
            font-weight: 700;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .timeline-item h3 {
            font-size: 1.06rem;
            font-weight: 800;
            margin: .25rem 0 .35rem;
        }

        .timeline-item p {
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.75;
            max-width: 720px;
        }

        .timeline-meta {
            text-align: right;
            white-space: nowrap;
        }

        /* Info points */
        .info-panel {
            background: var(--card-white);
            border: 1px solid rgba(30, 20, 40, .06);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
        }

        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-list li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 1.05rem;
            color: var(--text-muted);
            line-height: 1.75;
            font-size: .96rem;
        }

        .info-list li::before {
            content: "";
            position: absolute;
            left: 2px;
            top: .52rem;
            width: 10px;
            height: 10px;
            border-radius: 4px;
            background: var(--pixel-lime);
            box-shadow: 0 0 0 4px rgba(200, 242, 100, .2);
        }

        .point-num {
            width: 46px;
            height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(91, 52, 230, .1);
            color: var(--pg-purple);
            font-weight: 900;
            font-size: 1.1rem;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
        }

        .faq-wrap .accordion-item {
            border: 1px solid var(--line-soft);
            border-radius: 16px !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: #fff;
        }

        .faq-wrap .accordion-button {
            box-shadow: none;
            background: var(--paper);
            color: var(--text-main);
            padding: 1.05rem 1.35rem;
            font-weight: 800;
            font-size: 1rem;
            line-height: 1.5;
            transition: background .2s ease;
        }

        .faq-wrap .accordion-button:hover {
            background: #efece5;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--pg-purple);
        }

        .faq-wrap .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 1.2rem;
            font-weight: 400;
            color: var(--pg-purple);
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform .25s ease;
            transform: rotate(0deg);
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            content: "−";
            transform: rotate(0deg);
        }

        .faq-wrap .accordion-body {
            padding: 0 1.35rem 1.3rem;
            border-top: 1px solid rgba(233, 225, 214, .7);
        }

        .faq-wrap .accordion-body p {
            color: var(--text-muted);
            line-height: 1.85;
            font-size: .95rem;
            padding-top: 1rem;
            margin: 0;
        }

        /* CTA section */
        .cta-block {
            position: relative;
            overflow: hidden;
            background: var(--ink-panel);
            border-radius: 28px;
            padding: clamp(2.4rem, 5vw, 4rem);
            color: #d3cfe0;
            box-shadow: 0 30px 70px -45px rgba(22, 18, 31, .7);
            border-top: 3px solid var(--arcade-orange);
        }

        .cta-block::after {
            content: "";
            position: absolute;
            right: -10%;
            bottom: -50%;
            width: 320px;
            height: 320px;
            background: rgba(91, 52, 230, .36);
            filter: blur(120px);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 2.5rem;
            align-items: center;
        }

        .cta-block h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: .9rem;
        }

        .cta-block p {
            color: #bdb5ce;
            max-width: 600px;
            margin-bottom: 1.5rem;
        }

        .cta-block .hero-actions {
            margin-top: .2rem;
        }

        .cta-mini-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cta-mini-list li {
            display: flex;
            align-items: flex-start;
            gap: .7rem;
            color: #d9d2e6;
            padding: .7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            font-size: .93rem;
        }

        .cta-mini-list li::before {
            content: "";
            width: 8px;
            height: 8px;
            margin-top: .7rem;
            background: var(--pixel-lime);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(200, 242, 100, .14);
        }

        /* Footer */
        .site-footer {
            background: var(--ink-panel);
            color: #aaa2b7;
            border-top: 2px solid rgba(91, 52, 230, .4);
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr .9fr .9fr 1.3fr;
            gap: 40px;
            padding: 58px 0 34px;
        }

        .footer-brand-head {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
        }

        .footer-brand-head .logo-chip {
            width: 34px;
            height: 34px;
            font-size: .78rem;
        }

        .footer-desc {
            color: #9c94ab;
            margin-top: 1rem;
            font-size: .9rem;
            line-height: 1.85;
            max-width: 340px;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: .55rem;
        }

        .site-footer .footer-links a {
            color: #a9a1b8;
            font-size: .92rem;
            transition: color .2s ease, padding-left .2s ease;
        }

        .site-footer .footer-links a:hover {
            color: var(--arcade-orange);
            padding-left: 4px;
        }

        .footer-contact {
            color: #aaa2b7;
            font-size: .9rem;
            line-height: 1.85;
        }

        .tag-note {
            display: inline-block;
            margin-top: .75rem;
            font-size: .76rem;
            color: var(--pixel-lime);
            background: rgba(200, 242, 100, .12);
            border-radius: 99px;
            padding: .25rem .7rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            color: #888096;
            font-size: .84rem;
        }

        .site-owner {
            color: #c6bfd4;
            font-weight: 600;
        }

        /* Section spacing for quick cross links */
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .9rem;
            font-weight: 700;
        }

        .divider-dot {
            color: #c4b7d4;
            padding: 0 .2rem;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .feature-main {
                grid-column: span 7;
            }

            .feature-side {
                grid-column: span 5;
            }
        }

        @media (max-width: 991px) {
            .header-inner {
                min-height: 64px;
            }

            .desktop-nav {
                display: none !important;
            }

            .cat-hero-grid {
                grid-template-columns: 1fr;
            }

            .cat-hero-media {
                order: 2;
            }

            .cat-hero-media figure {
                aspect-ratio: 16 / 9;
            }

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

            .feature-main,
            .feature-side {
                grid-column: span 1;
            }

            .cta-inner {
                grid-template-columns: 1fr;
            }

            .timeline-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .timeline-meta {
                text-align: left;
                padding-top: 0;
            }

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

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }

            .section {
                padding: 3.4rem 0;
            }

            .brand-text strong {
                font-size: .98rem;
            }

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

            .feature-main-body {
                padding: 1.4rem 1.2rem 1.6rem;
            }

            .timeline-panel {
                padding-left: 1.1rem;
                padding-right: 1.1rem;
            }

            .info-panel {
                padding: 1.3rem;
            }

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

        @media (max-width: 520px) {
            .header-inner {
                gap: 12px;
            }

            .btn {
                padding: .68rem 1.05rem;
                font-size: .9rem;
            }

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

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

            .feature-grid {
                gap: 18px;
            }

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

            .cat-hero-media figure {
                border-radius: 18px;
            }
        }