/* roulang page: index */
:root {
  --cream: #F7F3EE;
  --white: #FFFFFF;
  --ink: #1C1721;
  --secondary: #6F6A75;
  --muted: #9A94A2;
  --primary: #6D28D9;
  --primary-dark: #4C1D95;
  --pink: #E11D48;
  --amber: #F59E0B;
  --dark: #17121E;
  --border: rgba(23, 18, 30, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --grad: linear-gradient(135deg, #6D28D9 0%, #E11D48 55%, #F59E0B 120%);
  --grad-soft: linear-gradient(135deg, rgba(109, 40, 217, 0.12), rgba(225, 29, 72, 0.08));
  --shadow-card: 0 10px 24px rgba(23, 18, 30, 0.06);
  --shadow-card-hover: 0 18px 42px rgba(109, 40, 217, 0.14);
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .25s ease;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

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

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

.grid-x {
  margin-inline: 0;
}

.grid-padding-x > .cell {
  padding-inline: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 243, 238, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.02em;
  white-space: nowrap;
  line-height: 1.2;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 8px 18px rgba(109, 40, 217, 0.24);
  flex: 0 0 auto;
}

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

.nav-item {
  position: relative;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  color: var(--ink);
  font-weight: 650;
  font-size: 15px;
  line-height: 1.2;
}

.nav-item:hover {
  background: rgba(109, 40, 217, 0.08);
  color: var(--primary);
}

.nav-item.active {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 18px rgba(225, 29, 72, 0.22);
}

.nav-item.active:hover {
  color: #fff;
  transform: translateY(-1px);
}

.nav-cta-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  background: var(--grad);
  color: #fff;
  font-weight: 750;
  font-size: 15px;
  border: 0;
  box-shadow: 0 10px 22px rgba(109, 40, 217, 0.22);
  transition: all .25s ease;
}

.btn-main:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(225, 29, 72, 0.3);
}

.btn-main:active {
  transform: translateY(0);
  box-shadow: 0 6px 12px rgba(109, 40, 217, 0.18);
}

.btn-main:focus-visible {
  outline: 2px solid var(--primary-dark);
  outline-offset: 3px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid var(--border);
  transition: all .2s ease;
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(109, 40, 217, 0.05);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  font-size: 20px;
}

.section-block {
  padding: 92px 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(109, 40, 217, 0.1);
}

.section-kicker.hot {
  background: rgba(225, 29, 72, 0.12);
  color: var(--pink);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-head h2 {
  margin: 14px 0 0;
  font-size: 32px;
  line-height: 1.3;
  font-weight: 780;
  color: var(--ink);
  max-width: 720px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 15px;
  color: var(--primary);
  white-space: nowrap;
  border-bottom: 1px solid transparent;
}

.link-more i {
  transition: transform .2s ease;
}

.link-more:hover {
  color: var(--pink);
}

.link-more:hover i {
  transform: translateX(5px);
}

/* Hero */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 80px 0 96px;
}

.hero-section::before,
.hero-section::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .4;
  z-index: 0;
  pointer-events: none;
}

.hero-section::before {
  width: 420px;
  height: 420px;
  background: rgba(109, 40, 217, 0.22);
  top: -120px;
  right: 12%;
}

.hero-section::after {
  width: 300px;
  height: 300px;
  background: rgba(245, 158, 11, 0.24);
  bottom: -30px;
  left: 4%;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--border);
  color: var(--primary);
  box-shadow: var(--shadow-card);
}

.hero-eyebrow i {
  color: var(--amber);
}

.hero-title {
  margin: 24px 0 18px;
  font-size: 44px;
  line-height: 1.22;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 720px;
}

.hero-title .grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.85;
  color: var(--secondary);
  max-width: 560px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
}

.btn-main-lg {
  min-height: 52px;
  padding: 0 32px;
  font-size: 16px;
}

.metrics-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.metric-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--secondary);
  box-shadow: 0 6px 16px rgba(23, 18, 30, 0.05);
}

.metric-chip i {
  color: var(--primary);
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-phone {
  position: relative;
  width: min(360px, 100%);
  aspect-ratio: 9/11.5;
  border-radius: 34px;
  background: var(--dark);
  padding: 12px;
  box-shadow: 0 30px 60px rgba(23, 18, 30, 0.2);
}

.hero-phone-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 25px;
  overflow: hidden;
  background-color: var(--dark);
  background-image: url('/assets/images/backpic/back-1.webp'), var(--grad);
  background-size: cover;
  background-position: center;
}

.hero-phone-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 18, 30, 0.06) 0%, rgba(109, 40, 217, 0.40) 60%, rgba(225, 29, 72, 0.46) 100%);
  z-index: 1;
}

.phone-top-icons {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  z-index: 3;
  color: #fff;
}

.phone-top-icons span {
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  border-radius: var(--radius-pill);
  padding: 5px 10px;
}

.phone-play {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.26);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  backdrop-filter: blur(8px);
  z-index: 3;
}

.phone-bottom {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  color: #fff;
}

.phone-bottom p {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
}

.phone-bottom small {
  display: block;
  font-size: 12px;
  opacity: 0.9;
  font-weight: 500;
}

.hero-floating-badge {
  position: absolute;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 12px 22px rgba(23, 18, 30, 0.15);
}

.hero-floating-badge.badge-top {
  top: 34px;
  right: -18px;
  background: var(--dark);
  color: #fff;
}

.hero-floating-badge.badge-left {
  left: -26px;
  bottom: 82px;
  background: #fff;
  color: var(--pink);
  border: 1px solid var(--border);
}

.hero-arrow-down {
  position: absolute;
  left: 50%;
  bottom: -40px;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 10px 18px rgba(23, 18, 30, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 15px;
}

/* hot clips */
.hot-clips {
  padding-top: 20px;
}

.card-scroll {
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.card-scroll::-webkit-scrollbar {
  display: none;
}

.card-scroll-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(260px, 1fr));
  gap: 20px;
  min-width: 0;
}

.clip-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: transform .25s ease, box-shadow .25s ease;
  display: block;
}

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

.clip-media {
  position: relative;
  aspect-ratio: 16/9;
  background-color: var(--dark);
  background-image: url('/assets/images/coverpic/cover-1.webp'), var(--grad);
  background-size: cover;
  background-position: center;
}

.clip-media.style2 {
  background-image: url('/assets/images/coverpic/cover-4.png'), var(--grad);
}

.clip-media.style3 {
  background-image: url('/assets/images/coverpic/cover-6.webp'), var(--grad);
}

.clip-media.style4 {
  background-image: url('/assets/images/coverpic/cover-8.png'), var(--grad);
}

.clip-media.style5 {
  background-image: url('/assets/images/coverpic/cover-2.webp'), var(--grad);
}

.clip-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 18, 30, 0) 40%, rgba(23, 18, 30, 0.42));
}

.clip-top-tag {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  font-size: 12px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 14px rgba(225, 29, 72, 0.22);
}

.clip-hot-val {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(23, 18, 30, 0.82);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  border-radius: var(--radius-pill);
  padding: 5px 10px;
}

.clip-body {
  padding: 18px 18px 16px;
}

.clip-body h3 {
  margin: 0 0 12px;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 750;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.clip-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.clip-meta .divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--muted);
}

.clip-meta i {
  color: var(--amber);
}

.rank-strip {
  margin-top: 32px;
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}

.rank-strip-head {
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rank-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 600;
}

.rank-item .grad-num {
  font-size: 20px;
  font-weight: 850;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* pick list */
.pick-section {
  background: #fff;
}

.pick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  align-items: start;
}

.pick-list {
  display: flex;
  flex-direction: column;
}

.pick-row {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 22px 12px;
  border-bottom: 1px solid var(--border);
  transition: background .25s ease, box-shadow .25s ease, border-radius .25s ease;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
}

.pick-row:last-child {
  border-bottom: 0;
}

.pick-row:hover {
  background: rgba(109, 40, 217, 0.06);
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.06);
  border-radius: 18px;
}

.pick-index {
  font-size: 28px;
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex: 0 0 56px;
}

.pick-main h3 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 750;
  line-height: 1.5;
}

.pick-main p {
  margin: 0;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.7;
}

.pick-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.pick-tag {
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  color: var(--primary);
  background: rgba(109, 40, 217, 0.08);
  border-radius: var(--radius-pill);
  padding: 5px 10px;
}

.pick-go {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 14px;
}

.pick-row:hover .pick-go {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
}

.pick-sidecard {
  position: sticky;
  top: 100px;
  border-radius: 26px;
  overflow: hidden;
  background-color: var(--dark);
  background-image: url('/assets/images/backpic/back-2.png'), linear-gradient(135deg, #6D28D9, #17121E);
  background-size: cover;
  background-position: center;
  color: #fff;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  padding: 26px;
  box-shadow: 0 18px 40px rgba(23, 18, 30, 0.18);
  position: relative;
}

.pick-sidecard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 18, 30, 0.22), rgba(23, 18, 30, 0.88));
  border-radius: 26px;
}

.pick-sidecard-content {
  position: relative;
  z-index: 2;
}

.pick-sidecard-content h3 {
  font-size: 22px;
  line-height: 1.4;
  font-weight: 800;
  margin: 0 0 10px;
}

.pick-sidecard-content p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 18px;
}

.pick-sidecard-content .btn-flat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--grad);
  color: #fff;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
}

/* Review dark */
.review-dark {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.review-dark::before {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -140px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.6), transparent 68%);
  filter: blur(70px);
}

.review-dark .section-kicker {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.review-dark .section-head h2 {
  color: #fff;
}

.review-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}

.rating-summary {
  position: relative;
  z-index: 2;
}

.rating-summary .rating-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 22px 24px;
  min-width: 240px;
}

.rating-num {
  font-size: 48px;
  font-weight: 850;
  line-height: 1;
  background: linear-gradient(135deg, #F59E0B, #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rating-box .stars {
  color: var(--amber);
  margin: 12px 0 8px;
  letter-spacing: 3px;
}

.rating-box p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  margin: 0;
}

.review-cards-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 40px;
}

.review-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 22px;
  transition: transform .25s ease, background .25s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 850;
  color: #fff;
  flex: 0 0 auto;
}

.avatar-a {
  background: var(--grad);
}

.avatar-b {
  background: linear-gradient(145deg, #F59E0B, #E11D48);
}

.avatar-c {
  background: linear-gradient(145deg, #4C1D95, #6D28D9);
}

.review-user .user-name {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

.review-user .user-meta {
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.review-card .review-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  line-height: 1.75;
  margin: 0 0 14px;
}

.review-bottom {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.review-bottom i {
  color: var(--amber);
}

/* news cms */
.news-wrap {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.news-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.news-tab {
  font-size: 13px;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(109, 40, 217, 0.08);
  color: var(--primary);
  border: 1px solid transparent;
}

.news-tab.on {
  background: var(--ink);
  color: #fff;
  border-color: transparent;
}

.news-feed-item {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: background .25s ease;
  border-radius: 16px;
}

.news-feed-item:hover {
  background: rgba(109, 40, 217, 0.04);
  padding-left: 12px;
  padding-right: 12px;
}

.news-feed-item:first-child {
  padding-top: 4px;
}

.news-feed-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.news-index {
  font-size: 22px;
  font-weight: 850;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex: 0 0 46px;
  line-height: 1.3;
}

.news-item-body {
  flex: 1 1 auto;
}

.news-item-title {
  font-size: 17px;
  font-weight: 750;
  color: var(--ink);
  line-height: 1.5;
  display: block;
  margin-bottom: 6px;
}

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

.news-item-summary {
  margin: 0 0 8px;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.news-item-cat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(225, 29, 72, 0.08);
  color: var(--pink);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 800;
}

.cms-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 220px;
  border: 2px dashed rgba(23, 18, 30, 0.14);
  border-radius: 24px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.cms-empty-state i {
  font-size: 30px;
  opacity: 0.7;
}

/* faq */
.faq-wrap {
  max-width: 920px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 14px;
  box-shadow: 0 6px 14px rgba(23, 18, 30, 0.04);
  transition: border-color .25s ease, box-shadow .25s ease;
  overflow: hidden;
}

.faq-accordion .accordion-item.is-active {
  border-color: rgba(109, 40, 217, 0.6);
  box-shadow: 0 12px 24px rgba(109, 40, 217, 0.08);
}

.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 750;
  color: var(--ink);
  padding: 20px 22px;
  line-height: 1.5;
  background: none;
  border: 0;
}

.faq-accordion .accordion-title::before {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad);
  color: #fff;
  font-size: 12px;
  transition: transform .25s ease;
}

.faq-accordion .accordion-item.is-active .accordion-title::before {
  content: "\f00d";
  transform: rotate(90deg);
}

.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus {
  background: rgba(109, 40, 217, 0.06);
}

.faq-accordion .accordion-content {
  border-top: 1px solid var(--border);
  color: var(--secondary);
  font-size: 15px;
  line-height: 1.8;
  padding: 18px 22px 22px;
  background: rgba(109, 40, 217, 0.02);
}

/* final cta */
.cta-panel {
  position: relative;
  background: var(--dark);
  border-radius: 36px;
  padding: 72px 40px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(23, 18, 30, 0.28);
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 12%;
  top: -90px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.55), transparent 70%);
  filter: blur(60px);
}

.cta-panel::after {
  content: "";
  position: absolute;
  right: 16%;
  bottom: -100px;
  width: 320px;
  height: 220px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.45), transparent 70%);
  filter: blur(50px);
}

.cta-panel-content {
  position: relative;
  z-index: 2;
}

.cta-panel h2 {
  font-size: 34px;
  font-weight: 850;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 28px;
}

.cta-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 34px;
}

.cta-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.btn-light {
  background: #fff;
  color: var(--ink);
  box-shadow: none;
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.88);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(255, 255, 255, 0.14);
}

.text-link-light {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: 14px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
  font-size: 15px;
}

.text-link-light:hover {
  color: #fff;
}

/* footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1.2fr;
  gap: 42px;
  margin-bottom: 40px;
}

.footer-brand .brand-logo {
  font-size: 21px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.75;
  margin: 0;
  max-width: 320px;
}

.footer-col strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  margin-bottom: 8px;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 600;
}

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

.footer-col .footer-note-copy {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 1024px) {
  .hero-grid {
    gap: 40px;
  }
  .hero-title {
    font-size: 38px;
  }
  .section-block {
    padding: 70px 0;
  }
  .pick-grid {
    grid-template-columns: 1fr;
  }
  .pick-sidecard {
    min-height: 320px;
  }
  .card-scroll-row {
    grid-template-columns: repeat(4, minmax(250px, 1fr));
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .site-nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .header-inner.nav-open .site-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
    margin-left: 0;
    background: #fff;
    padding: 16px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
  }
  .header-inner.nav-open .site-nav .nav-item {
    min-height: 46px;
    display: flex;
    align-items: center;
    border-radius: 12px;
  }
  .header-inner.nav-open .nav-cta-wrap {
    display: none;
  }
  .nav-cta-wrap {
    margin-left: auto;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual {
    justify-content: center;
  }
  .hero-phone {
    width: 300px;
  }
  .card-scroll-row {
    grid-template-columns: repeat(3, minmax(250px, 1fr));
  }
  .review-cards-row {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 52px 24px;
  }
}

@media (max-width: 640px) {
  .section-block {
    padding: 48px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 30px;
  }
  .section-head h2 {
    font-size: 24px;
    line-height: 1.35;
  }
  .hero-section {
    padding: 44px 0 56px;
  }
  .hero-title {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .hero-actions .btn-main-lg,
  .hero-actions .btn-ghost {
    width: 100%;
  }
  .metrics-row {
    justify-content: center;
  }
  .site-header .header-inner {
    min-height: 66px;
  }
  .brand-logo {
    font-size: 17px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
  .nav-toggle {
    width: 42px;
    height: 42px;
  }
  .btn-main,
  .btn-ghost {
    min-height: 44px;
    font-size: 14px;
  }
  .card-scroll-row {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
    min-width: max-content;
  }
  .card-scroll,
  .card-scroll-row {
    scroll-snap-type: none;
  }
  .rank-strip {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 16px;
  }
  .pick-row {
    flex-wrap: wrap;
    gap: 10px;
    padding: 18px 4px;
  }
  .pick-index {
    flex: 0 0 38px;
  }
  .pick-right {
    width: 100%;
    justify-content: flex-end;
  }
  .pick-main p {
    font-size: 13px;
  }
  .news-wrap {
    padding: 18px;
    border-radius: 22px;
  }
  .news-feed-item {
    flex-direction: column;
    padding: 18px 8px;
  }
  .news-feed-item:hover {
    padding-left: 8px;
    padding-right: 8px;
  }
  .cta-panel {
    padding: 42px 20px;
    border-radius: 28px;
  }
  .cta-panel h2 {
    font-size: 26px;
  }
  .cta-panel .btn-main {
    width: 100%;
  }
  .cta-panel .text-link-light {
    margin-left: 0;
    margin-top: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .faq-accordion .accordion-title {
    padding: 16px 16px;
    font-size: 15px;
  }
  .faq-accordion .accordion-content {
    padding: 12px 16px 16px;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --c-bg: #F7F3EE;
  --c-card: #FFFFFF;
  --c-dark: #17121E;
  --c-text: #1C1721;
  --c-text-2: #6F6A75;
  --c-text-3: #9A94A2;
  --c-primary: #6D28D9;
  --c-primary-dark: #4C1D95;
  --c-accent: #E11D48;
  --c-amber: #F59E0B;
  --c-border: rgba(23, 18, 30, 0.08);
  --c-border-white: rgba(255, 255, 255, 0.14);
  --shadow-card: 0 10px 24px rgba(23, 18, 30, 0.06);
  --shadow-hover: 0 18px 42px rgba(109, 40, 217, 0.14);
  --grad-brand: linear-gradient(135deg, #6D28D9 0%, #E11D48 52%, #F59E0B 100%);
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --transition: all 0.25s ease;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p, figure, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a {
  color: var(--c-primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: var(--c-primary-dark); }
img { display: block; max-width: 100%; border-radius: var(--radius-sm); }
button, input, select, textarea { font-family: var(--font); }
i, em { font-style: normal; }

/* 通用容器 */
.grid-container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ===== 页头导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(247, 243, 238, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--c-text);
  letter-spacing: -0.2px;
  flex-shrink: 0;
}
.brand-logo:hover { color: var(--c-text); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 6px 16px rgba(109, 40, 217, 0.25);
}
.site-menu-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 18px;
  min-width: 0;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  color: var(--c-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}
.nav-item:hover {
  background: rgba(109, 40, 217, 0.07);
  color: var(--c-primary);
}
.nav-item.active {
  color: var(--c-primary);
  background: rgba(109, 40, 217, 0.1);
}
.nav-item.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 5px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--grad-brand);
}
.nav-cta-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.btn-main,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  border: 0;
  cursor: pointer;
  transition: var(--transition);
}
.btn-main {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.2);
}
.btn-main i { font-size: 13px; }
.btn-main:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-main:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
}
.btn-ghost {
  background: #fff;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-ghost:hover {
  color: var(--c-primary);
  border-color: var(--c-primary);
  background: rgba(109, 40, 217, 0.05);
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text);
  font-size: 18px;
  cursor: pointer;
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-3);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--c-text-2); font-weight: 500; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span { color: #c9c3cf; }

/* ===== 分类 Hero ===== */
.category-hero {
  position: relative;
  padding: 84px 0 70px;
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.14) 0%, transparent 66%);
  border-radius: 50%;
  pointer-events: none;
}
.category-hero::after {
  content: "";
  position: absolute;
  bottom: -190px;
  left: 5%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.category-hero .grid-container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.68fr;
  gap: 56px;
  align-items: center;
}
.hero-copy .lead {
  font-size: 18px;
  line-height: 1.85;
  color: var(--c-text-2);
  max-width: 580px;
  margin: 20px 0 28px;
}
.page-h1 {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--c-text);
}
.page-h1 .grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.btn-lg { height: 48px; padding: 0 28px; font-size: 16px; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 15px;
}
.text-link i { font-size: 13px; transition: transform 0.25s ease; }
.text-link:hover i { transform: translateX(4px); }

.hero-note {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-note .mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border: 1px solid rgba(109, 40, 217, 0.14);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--c-text-2);
  font-size: 13px;
  font-weight: 600;
}
.hero-note .mini-badge i { color: var(--c-primary); }

.category-visual {
  position: relative;
  max-width: 340px;
  margin-left: auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 38px rgba(23, 18, 30, 0.14);
  aspect-ratio: 9 / 10;
}
.category-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.visual-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 12, 28, 0.05) 45%, rgba(18, 12, 28, 0.82) 100%);
  pointer-events: none;
}
.visual-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(23, 18, 30, 0.8);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-white);
  backdrop-filter: blur(4px);
}
.visual-bottom {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  color: #fff;
}
.visual-bottom strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 5px;
}
.visual-bottom small { font-size: 13px; color: rgba(255, 255, 255, 0.76); line-height: 1.5; display: block; }
.visual-corner {
  position: absolute;
  right: 16px;
  top: 68px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.28);
}

/* ===== 精选卡区 ===== */
.section { padding: 70px 0 30px; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 40px;
}
.section-head .section-title { font-size: 30px; font-weight: 800; line-height: 1.28; color: var(--c-text); }
.section-head .section-title small {
  display: block;
  font-size: 15px;
  font-weight: 400;
  color: var(--c-text-2);
  margin-top: 6px;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--c-text-2);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}
.section-link i { font-size: 13px; }
.section-link:hover { color: var(--c-primary); }
.section-link:hover i { transform: translateX(4px); }

.feature-grid {
  display: grid;
  grid-template-columns: 1.9fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.card-main,
.card-sub {
  background: var(--c-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(23, 18, 30, 0.04);
}
.card-main:hover,
.card-sub:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.card-cover { position: relative; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card-cover .badge-floating {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(23, 18, 30, 0.82);
  color: #fff;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.card-main:hover .card-cover img,
.card-sub:hover .card-cover img { transform: scale(1.03); }
.card-main-cover { aspect-ratio: 21 / 9; }
.card-body { padding: 24px; }
.card-body p { color: var(--c-text-2); font-size: 15px; line-height: 1.8; margin-top: 10px; }
.card-title { font-size: 20px; font-weight: 750; line-height: 1.4; }
.card-links { margin-top: 18px; display: flex; align-items: center; gap: 6px; }

.card-sub-cover { aspect-ratio: 16 / 8; }
.card-sub .card-body { padding: 18px; }
.card-sub .card-body p { font-size: 14px; line-height: 1.7; }
.card-sub .card-title { font-size: 17px; }
.stack-right { display: flex; flex-direction: column; gap: 24px; }
.small-pop {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: 8px;
}

/* ===== 四步核对 ===== */
.steps-section { padding: 76px 0 30px; }
.steps-section .grid-container { max-width: 1200px; }
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: var(--transition);
}
.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 26px;
  width: 40px;
  height: 4px;
  background: var(--grad-brand);
  border-radius: 0 0 8px 8px;
}
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.step-num {
  font-size: 44px;
  font-weight: 900;
  background: linear-gradient(135deg, #6D28D9, #E11D48);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}
.step-title { font-size: 17px; font-weight: 750; margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--c-text-2); line-height: 1.75; }

/* ===== 适用场景 ===== */
.scene-section { padding: 70px 0 30px; }
.scene-list {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.scene-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--c-border);
  transition: var(--transition);
}
.scene-row:last-child { border-bottom: 0; }
.scene-row:hover { background: rgba(109, 40, 217, 0.04); }
.scene-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(109, 40, 217, 0.08);
  border-radius: 16px;
  color: var(--c-primary);
  font-size: 20px;
  flex-shrink: 0;
}
.scene-row strong { display: block; font-size: 16px; font-weight: 700; }
.scene-row p { color: var(--c-text-2); font-size: 14px; line-height: 1.6; margin-top: 2px; }
.scene-go {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
}
.scene-go i { font-size: 13px; }

/* ===== FAQ ===== */
.faq-section { padding: 70px 0 30px; }
.faq-title { font-size: 30px; font-weight: 800; margin-bottom: 8px; }
.faq-title small { display: block; font-size: 15px; color: var(--c-text-2); font-weight: 400; margin-top: 6px; }
.faq-wrap { max-width: 900px; margin-top: 36px; }
.faq-accordion.accordion {
  background: transparent;
  border-radius: var(--radius-md);
  margin: 0;
}
.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(23, 18, 30, 0.03);
}
.faq-accordion .accordion-item.is-active { border-color: rgba(109, 40, 217, 0.5); }
.faq-accordion .accordion-title {
  background: #fff;
  color: var(--c-text);
  font-size: 17px;
  font-weight: 700;
  border: 0;
  padding: 18px 24px;
  position: relative;
  line-height: 1.6;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus {
  background: #fff;
  color: var(--c-primary);
}
.faq-accordion .accordion-item.is-active > .accordion-title { color: var(--c-primary); }
.faq-accordion .accordion-title::before {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  font-size: 26px;
  font-weight: 400;
  color: var(--c-primary);
  transition: var(--transition);
  font-family: var(--font);
}
.faq-accordion .accordion-item.is-active .accordion-title::before {
  transform: translateY(-50%) rotate(45deg);
  color: var(--c-accent);
}
.faq-accordion .accordion-content { border-top: 1px solid var(--c-border); background: #fff; }
.faq-accordion .accordion-content p { color: var(--c-text-2); font-size: 15px; line-height: 1.85; padding: 4px 24px 22px; }

/* ===== CTA ===== */
.cta-section { padding: 80px 0 28px; }
.cta-panel {
  position: relative;
  background: var(--c-dark);
  border-radius: var(--radius-lg);
  padding: 46px 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(23, 18, 30, 0.2);
}
.cta-panel .cta-glow {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.3), transparent 70%);
}
.cta-panel .cta-glow2 {
  position: absolute;
  left: 40%;
  top: -180px;
  width: 300px;
  height: 240px;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.45), transparent 70%);
}
.cta-copy { position: relative; z-index: 1; }
.cta-copy h2 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 800;
  color: #fff;
}
.cta-copy p { margin-top: 8px; color: rgba(255, 255, 255, 0.72); font-size: 14px; line-height: 1.6; }
.cta-action {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
}
.btn-light {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 48px;
  padding: 0 28px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: var(--radius-pill);
  font-weight: 700;
  border: 0;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.3);
  transition: var(--transition);
  font-size: 15px;
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(109, 40, 217, 0.35); color: #fff; }
.btn-light i { font-size: 14px; }
.cta-sub-link { color: rgba(255, 255, 255, 0.7); font-size: 14px; }
.cta-sub-link:hover { color: #fff; }

/* ===== 页脚 ===== */
.site-footer {
  background: #fff;
  padding-top: 52px;
  margin-top: 70px;
  border-top: 1px solid var(--c-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.2fr;
  gap: 48px;
  padding-bottom: 32px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
  margin-top: 14px;
  max-width: 420px;
}
.footer-col strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--c-text);
}
.footer-col a {
  display: flex;
  font-size: 14px;
  color: var(--c-text-2);
  padding: 6px 0;
}
.footer-col a:hover { color: var(--c-primary); }
.footer-note-copy { font-size: 14px; color: var(--c-text-2); line-height: 1.75; max-width: 320px; }
.footer-bottom {
  padding: 20px 0 24px;
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 13px; color: var(--c-text-3); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-inner { min-height: 68px; }
  .site-menu-panel {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--c-border);
    padding: 18px 20px;
    display: none;
    box-shadow: 0 20px 44px rgba(23, 18, 30, 0.1);
  }
  .site-menu-panel.is-open { display: flex; }
  .site-nav { flex-direction: column; align-items: stretch; gap: 10px; }
  .nav-item { justify-content: flex-start; min-height: 46px; border-radius: 14px; padding: 10px 16px; }
  .nav-item.active::after { display: none; }
  .nav-cta-wrap { flex-direction: row; padding-top: 12px; margin-top: 12px; border-top: 1px solid var(--c-border); justify-content: flex-end; }
  .nav-cta-wrap .btn-main, .nav-cta-wrap .btn-ghost { height: 46px; }
  .nav-toggle { display: inline-flex; }
  .header-inner { justify-content: space-between; }
  .category-hero { padding: 60px 0 30px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .category-visual { margin: 0 auto; max-width: 320px; }
  .feature-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-panel { padding: 38px 30px; flex-direction: column; align-items: flex-start; gap: 24px; }
  .cta-action { align-items: flex-start; }
  .scene-row { padding: 18px; gap: 14px; }
  .cta-glow2 { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .grid-container { padding-inline: 18px; }
  .section { padding: 47px 0 15px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-head .section-title { font-size: 25px; }
  .page-h1 { font-size: 32px; }
  .category-hero { padding: 38px 0 20px; }
  .category-visual { max-width: 260px; }
  .card-main-cover { aspect-ratio: 16 / 9; }
  .step-grid { grid-template-columns: 1fr; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { display: block; }
  .brand-logo { font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; font-size: 16px; }
  .scene-go { margin-left: auto; font-size: 13px; }
  .faq-accordion .accordion-title { font-size: 15px; padding: 16px 46px 16px 20px; }
  .faq-accordion .accordion-title::before { right: 18px; }
  .faq-accordion .accordion-content p { padding: 2px 20px 18px; font-size: 14px; }
  .cta-panel { padding: 32px 20px; border-radius: 22px; }
  .cta-copy h2 { font-size: 24px; }
  .btn-light { width: 100%; }
  .cta-action { width: 100%; }
  .category-hero::before { width: 220px; height: 220px; }
  .category-hero::after { width: 200px; height: 200px; bottom: -100px; }
}

/* roulang page: article */
:root {
  --bg: #F7F3EE;
  --card: #FFFFFF;
  --dark: #17121E;
  --text: #1C1721;
  --text-sub: #6F6A75;
  --text-weak: #9A94A2;
  --primary: #6D28D9;
  --primary-deep: #4C1D95;
  --accent: #E11D48;
  --amber: #F59E0B;
  --border: rgba(23, 18, 30, 0.08);
  --white-border: rgba(255, 255, 255, 0.14);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow: 0 10px 24px rgba(23, 18, 30, 0.06);
  --shadow-hover: 0 18px 42px rgba(109, 40, 217, 0.14);
  --brand-gradient: linear-gradient(135deg, #6D28D9, #E11D48 65%, #F59E0B);
  --transition: 0.25s ease;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

p, h1, h2, h3, h4, ul, ol, figure {
  margin: 0;
  padding: 0;
}

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

ul, ol {
  list-style: none;
}

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

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

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

.btn-main,
.btn-ghost,
.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn-main {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 10px 20px rgba(109, 40, 217, 0.2);
}

.btn-main i {
  font-size: 13px;
}

.btn-main:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(109, 40, 217, 0.25);
}

.btn-ghost {
  background: #fff;
  border-color: rgba(23, 18, 30, 0.16);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(109, 40, 217, 0.06);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(247, 243, 238, 0.92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
  position: relative;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6D28D9, #E11D48);
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 0;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 600;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(90deg, #6D28D9, #E11D48);
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: left center;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-item:hover {
  color: var(--text);
}

.nav-item:hover::after {
  opacity: 0.7;
  transform: scaleX(0.85);
}

.nav-item.active {
  color: var(--primary);
}

.nav-item.active::after {
  opacity: 1;
  transform: scaleX(1);
}

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 14px;
  font-size: 16px;
  cursor: pointer;
}

.article-main {
  min-height: 60vh;
}

.article-hero {
  padding: 78px 0 0;
  position: relative;
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.12), transparent 68%);
  pointer-events: none;
}

.article-hero::after {
  content: "";
  position: absolute;
  top: 260px;
  left: -200px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12), transparent 70%);
  pointer-events: none;
}

.article-container {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 26px;
  font-size: 13px;
  color: var(--text-weak);
}

.article-breadcrumb a {
  color: var(--primary);
  font-weight: 600;
}

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

.crumb-split {
  color: #C9C3D0;
}

.crumb-current {
  display: inline-block;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-sub);
}

.article-heading h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.4px;
  line-height: 1.2;
  margin-bottom: 22px;
}

.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 14px;
}

.article-meta-line span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
}

.article-meta-line i {
  color: var(--primary);
}

.article-cover {
  margin-top: 34px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.6), rgba(225, 29, 72, 0.5) 65%, rgba(245, 158, 11, 0.4));
  box-shadow: var(--shadow);
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-content-section {
  padding: 44px 0 14px;
}

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

.article-body p {
  margin-bottom: 22px;
  letter-spacing: 0.01em;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.article-body h2,
.article-body h3,
.article-body h4 {
  margin-top: 34px;
  margin-bottom: 14px;
}

.article-body h3 {
  position: relative;
  padding-left: 16px;
  font-size: 20px;
  font-weight: 750;
}

.article-body h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #6D28D9, #E11D48);
}

.article-body blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  border-radius: 16px;
  border-left: 4px solid var(--primary);
  background: linear-gradient(120deg, rgba(109, 40, 217, 0.08), rgba(247, 243, 238, 0.8));
  color: var(--text-sub);
}

.article-body ul,
.article-body ol {
  margin: 16px 0 24px;
  padding-left: 22px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 28px 0;
}

.article-body img[onerror] {
  visibility: hidden;
}

.article-body figure {
  margin: 28px 0;
}

.article-body figcaption {
  margin-top: 10px;
  color: var(--text-weak);
  font-size: 13px;
  text-align: center;
}

.article-body table {
  width: 100%;
  margin: 26px 0;
  border-collapse: collapse;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
}

.article-body th,
.article-body td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
  font-size: 15px;
}

.article-body th {
  background: #F3EDF9;
  color: var(--text);
  font-weight: 700;
}

.article-body td {
  color: var(--text-sub);
}

.article-body hr {
  margin: 32px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.article-nav-block {
  padding: 24px 0;
}

.article-nav-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 30px;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.article-nav-copy .eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article-nav-copy strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 19px;
  font-weight: 750;
}

.article-nav-copy p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.6;
}

.article-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.related-section {
  padding: 72px 0 30px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
}

.text-link i {
  font-size: 13px;
  transition: transform var(--transition);
}

.text-link:hover {
  color: var(--primary-deep);
}

.text-link:hover i {
  transform: translateX(4px);
}

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

.trend-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #6D28D9, #E11D48 70%, #F59E0B);
}

.cover-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.trend-card:hover .cover-wrap img {
  transform: scale(1.04);
}

.cover-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: rgba(23, 18, 30, 0.82);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.trend-card-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  padding: 18px;
}

.trend-card-body h3 {
  min-height: 52px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  color: var(--text-weak);
  font-size: 13px;
}

.card-foot .heat-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--dark);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.article-cta-panel {
  padding: 72px 0 96px;
}

.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 46px 48px;
  background: var(--dark);
  border-radius: var(--radius-xl);
  color: #fff;
  overflow: hidden;
}

.cta-inner::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.42), transparent 70%);
  pointer-events: none;
}

.cta-inner::after {
  content: "";
  position: absolute;
  top: -90px;
  left: 18%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.14), transparent 70%);
  pointer-events: none;
}

.cta-copy {
  position: relative;
  z-index: 1;
}

.cta-copy .eyebrow {
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
}

.cta-copy h2 {
  margin-top: 8px;
  color: #fff;
  font-size: 28px;
  font-weight: 800;
}

.cta-copy p {
  margin-top: 10px;
  color: #C9C3D0;
  font-size: 15px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.article-reveal {
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 0;
  background: #fff;
  max-width: 640px;
  box-shadow: 0 24px 70px rgba(23, 18, 30, 0.2);
}

.article-reveal h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}

.article-reveal > p {
  color: var(--text-sub);
  margin-bottom: 22px;
}

.reveal-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reveal-list a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 650;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.reveal-list a span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6D28D9, #E11D48);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.reveal-list a:hover {
  border-color: var(--primary);
  background: #fff;
  transform: translateX(2px);
}

.article-reveal .close-button {
  position: absolute;
  right: 18px;
  top: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
}

.article-reveal .close-button:hover {
  background: rgba(225, 29, 72, 0.1);
  color: var(--accent);
}

.reveal-overlay {
  background: rgba(23, 18, 30, 0.6) !important;
}

.article-empty-wrap {
  padding: 120px 24px;
}

.article-empty-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 64px 32px;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.article-empty-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: rgba(109, 40, 217, 0.1);
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 22px;
}

.article-empty-card h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.article-empty-card p {
  color: var(--text-sub);
  font-size: 15px;
  margin-bottom: 26px;
}

.site-footer {
  background: var(--dark);
  color: #C9C3D0;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 1.2fr;
  gap: 40px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--white-border);
}

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

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

.site-footer .brand-mark {
  background: linear-gradient(135deg, #6D28D9, #E11D48);
}

.footer-brand p {
  max-width: 360px;
  margin-top: 18px;
  color: #9A94A2;
  font-size: 14px;
  line-height: 1.8;
}

.footer-col strong {
  display: block;
  margin-bottom: 16px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.footer-col a {
  display: block;
  margin: 9px 0;
  color: #9A94A2;
  font-size: 14px;
}

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

.footer-note-copy {
  color: #9A94A2;
  font-size: 13px;
  line-height: 1.8;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: #8B8395;
  font-size: 13px;
}

@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 32px;
  }

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

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

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-nav,
  .nav-cta-wrap {
    display: none;
    width: 100%;
  }

  .site-header.nav-open .site-nav,
  .site-header.nav-open .nav-cta-wrap {
    display: flex;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px 0 4px;
  }

  .nav-item {
    min-height: 44px;
    padding: 8px 0;
    font-size: 16px;
  }

  .nav-cta-wrap {
    justify-content: stretch;
    padding-top: 10px;
  }

  .nav-cta-wrap .btn-main,
  .nav-cta-wrap .btn-ghost {
    flex: 1;
  }
}

@media (max-width: 640px) {
  .grid-container {
    padding-right: 18px;
    padding-left: 18px;
  }

  .article-hero {
    padding: 46px 0 0;
  }

  .article-heading h1 {
    font-size: 32px;
    line-height: 1.25;
  }

  .article-meta-line {
    gap: 8px;
    font-size: 13px;
  }

  .article-meta-line span {
    padding: 5px 9px;
  }

  .article-cover {
    border-radius: 16px;
    margin-top: 24px;
  }

  .article-body {
    font-size: 16px;
  }

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

  .article-content-section {
    padding-top: 32px;
  }

  .article-nav-card {
    flex-direction: column;
    align-items: stretch;
    padding: 22px;
    gap: 20px;
  }

  .article-nav-links {
    justify-content: flex-start;
  }

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

  .related-section {
    padding-top: 52px;
  }

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

  .trend-card-body h3 {
    min-height: 0;
  }

  .article-cta-panel {
    padding: 52px 0 72px;
  }

  .cta-inner {
    padding: 30px 22px;
    border-radius: var(--radius-lg);
  }

  .cta-copy h2 {
    font-size: 22px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn-main,
  .cta-actions .btn-ghost-light {
    flex: 1;
    min-height: 46px;
  }

  .article-reveal {
    padding: 28px 20px;
  }

  .article-footer-bottom {
    padding-top: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 30px;
  }
}

@media (max-width: 480px) {
  .article-breadcrumb .crumb-current {
    max-width: 150px;
  }

  .article-nav-links .btn-main,
  .article-nav-links .btn-ghost {
    flex: 1;
  }

  .related-card-foot {
    flex-wrap: wrap;
  }

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

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

/* roulang page: category2 */
:root {
            --canvas: #F7F3EE;
            --surface: #FFFFFF;
            --ink: #1C1721;
            --muted: #6F6A75;
            --faint: #9A94A2;
            --brand: #6D28D9;
            --brand-deep: #4C1D95;
            --accent: #E11D48;
            --gold: #F59E0B;
            --dark: #17121E;
            --border: rgba(23, 18, 30, 0.08);
            --border-dark: rgba(255, 255, 255, 0.14);
            --gradient: linear-gradient(135deg, #6D28D9 0%, #E11D48 62%, #F59E0B 130%);
            --radius-lg: 28px;
            --radius-card: 20px;
            --radius-sm: 14px;
            --shadow: 0 10px 24px rgba(23, 18, 30, 0.06);
            --shadow-hover: 0 18px 42px rgba(109, 40, 217, 0.14);
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --space-section: 96px;
            --space-section-md: 72px;
            --space-section-sm: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        img {
            display: block;
            max-width: 100%;
            border-radius: 16px;
        }

        ul,
        ol {
            padding-left: 1.2em;
        }

        a {
            color: var(--brand);
            text-decoration: none;
            transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease, opacity 0.22s ease, transform 0.22s ease;
        }

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

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

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

        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .site-main {
            min-height: 70vh;
            overflow: hidden;
        }

        .img-broken {
            display: none;
        }

        .media-frame {
            position: relative;
            overflow: hidden;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(109, 40, 217, 0.22), rgba(245, 158, 11, 0.14));
        }

        .media-frame.has-bg-fallback {
            background: linear-gradient(135deg, #6D28D9, #E11D48 80%, #F59E0B);
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(247, 243, 238, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .site-header .grid-container {
            width: 100%;
        }

        .header-inner {
            display: flex;
            align-items: center;
            min-height: 74px;
            gap: 18px;
            flex-wrap: wrap;
            position: relative;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: 0.01em;
        }

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

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 999px;
            background: var(--gradient);
            color: #fff;
            font-size: 17px;
            font-weight: 800;
            flex: 0 0 auto;
            box-shadow: 0 8px 18px rgba(109, 40, 217, 0.24);
        }

        .site-nav {
            display: flex;
            gap: 6px;
            margin-left: 28px;
        }

        .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            min-height: 40px;
            padding: 0 14px;
            border-radius: 999px;
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
        }

        .nav-item:hover {
            background: rgba(109, 40, 217, 0.08);
            color: var(--brand-deep);
        }

        .nav-item.active {
            background: rgba(109, 40, 217, 0.12);
            color: var(--brand-deep);
        }

        .nav-item.active:after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 5px;
            height: 3px;
            border-radius: 999px;
            background: var(--gradient);
        }

        .nav-cta-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 999px;
            background: rgba(109, 40, 217, 0.10);
            color: var(--brand-deep);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            margin-left: auto;
        }

        .btn-main,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 42px;
            padding: 0 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
            transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
        }

        .btn-main {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 10px 22px rgba(109, 40, 217, 0.28);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 16px 34px rgba(109, 40, 217, 0.36);
        }

        .btn-ghost {
            background: #fff;
            border: 1px solid rgba(23, 18, 30, 0.14);
            color: var(--ink);
        }

        .btn-ghost:hover {
            border-color: var(--brand);
            background: rgba(109, 40, 217, 0.06);
            color: var(--brand-deep);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            background: #fff;
            color: var(--dark);
            font-size: 15px;
            font-weight: 800;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }

        .btn-light:hover {
            color: var(--brand-deep);
            transform: translateY(-2px);
            box-shadow: 0 18px 38px rgba(0, 0, 0, 0.2);
        }

        .cat-banner {
            position: relative;
            padding: 64px 0 76px;
            overflow: hidden;
        }

        .cat-banner:before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            right: 4%;
            top: -80px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.22), rgba(245, 158, 11, 0) 70%);
            pointer-events: none;
        }

        .cat-banner:after {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            left: -80px;
            bottom: -100px;
            background: radial-gradient(circle, rgba(109, 40, 217, 0.14), rgba(109, 40, 217, 0) 68%);
            pointer-events: none;
        }

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

        .crumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .crumb a {
            color: var(--muted);
        }

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

        .crumb i {
            font-size: 11px;
            color: var(--faint);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            background: rgba(109, 40, 217, 0.10);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 700;
        }

        .cat-banner h1 {
            max-width: 920px;
            margin: 16px 0 18px;
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ink);
        }

        .cat-banner h1 span {
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .banner-lead {
            max-width: 620px;
            margin: 0;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .hero-actions .btn-main {
            min-height: 48px;
            padding-left: 28px;
            padding-right: 28px;
        }

        .banner-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            margin-top: 34px;
        }

        .metric-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--muted);
            font-size: 13px;
        }

        .metric-chip b {
            font-size: 19px;
            font-weight: 800;
            color: var(--ink);
        }

        .metric-chip .metric-dot {
            width: 7px;
            height: 7px;
            border-radius: 999px;
            background: var(--gradient);
        }

        .banner-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .vertical-poster {
            position: relative;
            width: 330px;
            max-width: 100%;
            aspect-ratio: 9 / 12;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 22px 48px rgba(23, 18, 30, 0.16);
            background: linear-gradient(135deg, rgba(109, 40, 217, 0.32), rgba(225, 29, 72, 0.3));
        }

        .vertical-poster .media-frame,
        .vertical-poster .media-frame img {
            width: 100%;
            height: 100%;
        }

        .vertical-poster .poster-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 18, 30, 0) 30%, rgba(23, 18, 30, 0.74) 100%);
            pointer-events: none;
        }

        .poster-bottom {
            position: absolute;
            left: 20px;
            right: 20px;
            bottom: 18px;
            color: #fff;
            z-index: 2;
        }

        .poster-tag {
            display: inline-flex;
            align-items: center;
            min-height: 24px;
            padding: 0 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.26);
            font-size: 12px;
            font-weight: 700;
            backdrop-filter: blur(6px);
            margin-bottom: 10px;
        }

        .poster-title {
            font-size: 21px;
            line-height: 1.4;
            font-weight: 800;
            margin: 0 0 12px;
        }

        .poster-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #fff;
            font-size: 13px;
            font-weight: 700;
        }

        .poster-link i {
            color: var(--gold);
        }

        .heat-badge {
            position: absolute;
            right: 18px;
            top: 18px;
            z-index: 3;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 30px;
            padding: 0 13px;
            border-radius: 999px;
            background: rgba(23, 18, 30, 0.84);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            backdrop-filter: blur(6px);
        }

        .heat-badge i {
            color: var(--gold);
            font-size: 12px;
        }

        .category-badge {
            position: absolute;
            left: 18px;
            top: 18px;
            z-index: 3;
            display: inline-flex;
            align-items: center;
            min-height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
        }

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

        .sect-surface {
            background: #fff;
            border-radius: 32px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 34px;
        }

        .section-head h2 {
            margin: 14px 0 0;
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-head-copy {
            margin: 10px 0 0;
            max-width: 640px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 38px;
            color: var(--brand);
            font-weight: 700;
            white-space: nowrap;
        }

        .text-link i {
            transition: transform 0.22s ease;
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        .scene-feature {
            padding: 48px 0 32px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 2.1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .feature-main-card,
        .side-mini-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: box-shadow 0.24s ease, transform 0.24s ease, border-color 0.24s ease;
        }

        .feature-main-card:hover,
        .side-mini-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(109, 40, 217, 0.22);
        }

        .feature-main-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .feature-card-body {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
            gap: 0;
            flex: 1;
        }

        .feature-card-media {
            min-height: 280px;
            border-radius: 0;
        }

        .feature-card-media .media-frame,
        .feature-card-media .media-frame img {
            width: 100%;
            height: 100%;
            border-radius: 0;
        }

        .feature-card-copy {
            display: flex;
            flex-direction: column;
            padding: 28px 26px;
        }

        .small-label {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            min-height: 26px;
            padding: 0 11px;
            border-radius: 999px;
            background: rgba(225, 29, 72, 0.10);
            color: #BE123C;
            font-size: 12px;
            font-weight: 700;
        }

        .gold-label {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            min-height: 26px;
            padding: 0 11px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.16);
            color: #92400E;
            font-size: 12px;
            font-weight: 700;
        }

        .purple-label {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            min-height: 26px;
            padding: 0 11px;
            border-radius: 999px;
            background: rgba(109, 40, 217, 0.10);
            color: var(--brand-deep);
            font-size: 12px;
            font-weight: 700;
        }

        .feature-card-copy h3,
        .side-mini-card h3 {
            margin: 14px 0 10px;
            font-size: 20px;
            line-height: 1.42;
            font-weight: 800;
            color: var(--ink);
        }

        .feature-card-copy p,
        .side-mini-card p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .card-footer-link {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            font-weight: 700;
            color: var(--brand);
        }

        .card-footer-link i {
            transition: transform 0.2s ease;
        }

        .feature-main-card:hover .card-footer-link i,
        .side-mini-card:hover .card-footer-link i {
            transform: translateX(4px);
        }

        .side-mini-stack {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 20px;
            height: 100%;
        }

        .side-mini-card {
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .side-mini-media .media-frame {
            height: 118px;
            border-radius: 0;
        }

        .side-mini-media .media-frame img {
            width: 100%;
            height: 100%;
        }

        .side-mini-copy {
            padding: 20px 22px 22px;
        }

        .side-mini-copy h3 {
            font-size: 18px;
            margin: 12px 0 8px;
        }

        .step-zebra {
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid var(--border);
            border-radius: 32px;
            box-shadow: var(--shadow);
            padding: 58px 30px 30px;
        }

        .how-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 40px;
        }

        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow);
            padding: 26px 22px 22px;
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }

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

        .step-num {
            display: block;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            line-height: 44px;
            text-align: center;
            margin-bottom: 18px;
            box-shadow: 0 10px 22px rgba(109, 40, 217, 0.2);
        }

        .step-card h3 {
            margin: 0 0 8px;
            font-size: 18px;
            font-weight: 800;
            line-height: 1.45;
        }

        .step-card p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-section {
            padding-top: 0;
        }

        .section-solid {
            border-radius: 32px;
            background: #fff;
            padding: 56px 28px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .accordion.custom-accordion {
            background: transparent;
            border: 0;
            margin-top: 8px;
        }

        .accordion.custom-accordion .accordion-item.custom-accordion-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            margin-top: 16px;
            padding: 0;
            overflow: hidden;
            transition: border-color 0.22s ease, box-shadow 0.22s ease;
        }

        .accordion.custom-accordion .accordion-item.custom-accordion-item:hover {
            border-color: rgba(109, 40, 217, 0.28);
        }

        .accordion.custom-accordion .accordion-item.custom-accordion-item.is-active {
            border-color: var(--brand);
            box-shadow: 0 14px 36px rgba(109, 40, 217, 0.12);
        }

        .custom-accordion-item .accordion-title {
            display: block;
            position: relative;
            padding: 20px 56px 20px 22px;
            background: transparent;
            font-size: 16px;
            line-height: 1.6;
            font-weight: 800;
            color: var(--ink);
            border: 0;
        }

        .custom-accordion-item .accordion-title:hover {
            color: var(--brand-deep);
            background: #fff;
        }

        .custom-accordion-item .accordion-title:before {
            content: "+";
            position: absolute;
            right: 20px;
            top: 18px;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            background: rgba(109, 40, 217, 0.10);
            color: var(--brand-deep);
            font-size: 22px;
            font-weight: 400;
            line-height: 1;
            transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
        }

        .custom-accordion-item.is-active .accordion-title:before {
            transform: rotate(135deg);
            background: var(--gradient);
            color: #fff;
        }

        .custom-accordion-item .accordion-content {
            background: #fff;
            border: 0;
            border-top: 1px solid rgba(23, 18, 30, 0.06);
            color: var(--muted);
            font-size: 15px;
            padding: 16px 24px 22px;
        }

        .cat-cta {
            padding-top: var(--space-section);
        }

        .cta-panel-light {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 34px;
            padding: 44px 48px 40px;
            border: 1px solid var(--border);
            border-radius: 32px;
            background: #fff;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .cta-panel-light:before {
            content: "";
            position: absolute;
            right: -30px;
            top: -60px;
            width: 280px;
            height: 280px;
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(109, 40, 217, 0.14), rgba(245, 158, 11, 0.12));
        }

        .cta-copy {
            position: relative;
            z-index: 2;
        }

        .cta-copy h2 {
            margin: 0 0 8px;
            font-size: 30px;
            line-height: 1.3;
            font-weight: 800;
        }

        .cta-copy p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 18px;
            flex: 0 0 auto;
        }

        .cta-back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--muted);
            font-weight: 600;
            white-space: nowrap;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            margin-top: 110px;
            padding: 72px 0 0;
        }

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

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.1fr;
            gap: 40px;
        }

        .footer-brand p,
        .footer-note-copy {
            margin: 18px 0 0;
            max-width: 400px;
            color: rgba(255, 255, 255, 0.58);
            font-size: 14px;
            line-height: 1.85;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .footer-col strong {
            display: block;
            color: #fff;
            font-size: 16px;
            margin-bottom: 14px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.64);
            padding: 4px 0;
            font-size: 14px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            margin-top: 52px;
            padding: 22px 0 26px;
            color: rgba(255, 255, 255, 0.40);
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 1024px) {
            .header-inner {
                min-height: 66px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .site-nav,
            .nav-cta-wrap {
                display: none;
                width: 100%;
                margin-left: 0;
            }
            .site-nav {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0 10px;
                gap: 2px;
            }
            .nav-cta-wrap {
                flex-direction: row;
                flex-wrap: wrap;
                padding-bottom: 14px;
            }
            .header-inner.is-open .site-nav,
            .header-inner.is-open .nav-cta-wrap {
                display: flex;
            }
            .nav-item {
                min-height: 46px;
                border-radius: 14px;
                justify-content: flex-start;
            }
            .nav-item.active:after {
                left: 12px;
                right: auto;
                width: 26px;
            }
            .banner-visual .vertical-poster {
                width: 280px;
            }
            .cat-banner .grid-x>.cell:first-child {
                padding-bottom: 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .side-mini-stack {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: 1fr;
            }
            .how-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-panel-light {
                flex-direction: column;
                align-items: flex-start;
                padding: 34px;
            }
            .cta-actions {
                width: 100%;
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            :root {
                --space-section: 56px;
            }
            .site-header .header-inner {
                gap: 10px;
            }
            .nav-cta-wrap .btn-main,
            .nav-cta-wrap .btn-ghost {
                flex: 1;
                min-height: 46px;
            }
            .cat-banner {
                padding: 44px 0 52px;
            }
            .cat-banner h1 {
                font-size: 32px;
            }
            .banner-lead {
                font-size: 16px;
            }
            .hero-actions .btn-main,
            .hero-actions .btn-ghost {
                width: 100%;
            }
            .banner-visual {
                margin-top: 12px;
            }
            .vertical-poster {
                width: 240px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .feature-card-body {
                grid-template-columns: 1fr;
            }
            .feature-card-media {
                min-height: 220px;
            }
            .feature-card-copy,
            .side-mini-copy {
                padding: 20px 18px;
            }
            .side-mini-stack {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .step-zebra {
                padding: 30px 16px 6px;
            }
            .how-steps {
                grid-template-columns: 1fr;
            }
            .section-solid {
                padding: 28px 12px 16px;
            }
            .custom-accordion-item .accordion-title {
                font-size: 15px;
                padding: 16px 50px 16px 14px;
            }
            .custom-accordion-item .accordion-title:before {
                right: 13px;
            }
            .cta-panel-light {
                padding: 27px 20px 26px;
                border-radius: 24px;
            }
            .cta-copy h2 {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .text-link {
                white-space: normal;
            }
            .site-footer {
                margin-top: 60px;
                padding-top: 52px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }
            .footer-bottom {
                margin-top: 35px;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #F7F3EE;
            --surface: #FFFFFF;
            --ink: #1C1721;
            --muted: #6F6A75;
            --faint: #9A94A2;
            --night: #17121E;
            --brand: #6D28D9;
            --brand-deep: #4C1D95;
            --pink: #E11D48;
            --amber: #F59E0B;
            --line: rgba(23, 18, 30, 0.08);
            --line-strong: rgba(23, 18, 30, 0.14);
            --line-white: rgba(255, 255, 255, 0.14);
            --grad: linear-gradient(135deg, #6D28D9 0%, #E11D48 52%, #F59E0B 100%);
            --grad-soft: linear-gradient(145deg, rgba(109,40,217,0.08) 0%, rgba(225,29,72,0.06) 50%, rgba(245,158,11,0.12) 100%);
            --radius-sm: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 10px 24px rgba(23, 18, 30, 0.06);
            --shadow-hover: 0 18px 42px rgba(109, 40, 217, 0.14);
            --transition: all 0.25s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html,
        body {
            margin: 0;
            padding: 0;
            border: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body {
            min-height: 100vh;
        }

        ul,
        ol,
        dl,
        figure,
        blockquote,
        p,
        fieldset,
        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0;
            padding: 0;
        }

        ul,
        ol {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: 0;
            background: none;
            margin: 0;
        }

        button {
            cursor: pointer;
        }

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

        ::selection {
            background: rgba(109, 40, 217, 0.18);
        }

        .grid-container {
            max-width: 1200px;
            width: 100%;
            padding-right: 24px;
            padding-left: 24px;
            margin-right: auto;
            margin-left: auto;
        }

        @media screen and (min-width: 1024px) {
            .grid-container {
                padding-right: 28px;
                padding-left: 28px;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            width: 100%;
            background: rgba(247, 243, 238, 0.92);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            z-index: 80;
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--ink);
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--ink);
            opacity: 0.9;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            border-radius: 11px;
            background: var(--grad);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            box-shadow: 0 8px 18px rgba(109, 40, 217, 0.24);
            letter-spacing: 0;
        }

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

        .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--muted);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-item:hover {
            background: rgba(109, 40, 217, 0.07);
            color: var(--brand-deep);
        }

        .nav-item.active {
            background: rgba(109, 40, 217, 0.1);
            color: var(--brand-deep);
            box-shadow: inset 0 0 0 1px rgba(109, 40, 217, 0.22);
        }

        .nav-item.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 999px;
            background: var(--grad);
        }

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

        .btn-main,
        .btn-ghost,
        .btn-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 42px;
            padding: 0 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-main {
            background: var(--grad);
            color: #fff;
            box-shadow: 0 10px 24px rgba(109, 40, 217, 0.18);
        }

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

        .btn-ghost {
            background: var(--surface);
            border-color: var(--line-strong);
            color: var(--ink);
            padding: 0 20px;
        }

        .btn-ghost:hover {
            border-color: var(--brand);
            background: rgba(109, 40, 217, 0.07);
            color: var(--brand);
        }

        .btn-action {
            background: var(--grad);
            color: #fff;
            min-height: 48px;
            padding: 0 30px;
            box-shadow: 0 12px 30px rgba(109, 40, 217, 0.2);
        }

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

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-weight: 700;
            color: var(--brand);
            transition: var(--transition);
        }

        .text-link i {
            transition: transform 0.2s ease;
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        .nav-toggle {
            display: none;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--surface);
            border: 1px solid var(--line);
            color: var(--ink);
            font-size: 19px;
            align-items: center;
            justify-content: center;
            flex: 0 0 46px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(109, 40, 217, 0.08);
            border-color: rgba(109, 40, 217, 0.3);
        }

        .category-page main {
            overflow: hidden;
        }

        .category-banner {
            position: relative;
            padding: 64px 0 72px;
            overflow: hidden;
        }

        .banner-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            align-items: center;
            gap: 52px;
            position: relative;
            z-index: 2;
        }

        .banner-glow {
            position: absolute;
            border-radius: 999px;
            filter: blur(70px);
            opacity: 0.75;
            pointer-events: none;
            z-index: 0;
        }

        .banner-glow.purple {
            width: 300px;
            height: 300px;
            left: -80px;
            top: -10px;
            background: rgba(109, 40, 217, 0.2);
        }

        .banner-glow.amber {
            width: 260px;
            height: 260px;
            right: 4%;
            bottom: -80px;
            background: rgba(245, 158, 11, 0.22);
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--grad-soft);
            border: 1px solid rgba(109, 40, 217, 0.16);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .category-tag i {
            color: var(--brand);
        }

        .category-banner h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--ink);
            max-width: 680px;
            margin-bottom: 18px;
        }

        .category-banner h1 .grad-segment {
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .banner-desc {
            font-size: 17px;
            line-height: 1.85;
            color: var(--muted);
            max-width: 690px;
            margin-bottom: 26px;
        }

        .banner-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
        }

        .banner-actions .back-home-link {
            font-size: 14px;
            color: var(--muted);
            font-weight: 600;
        }

        .banner-actions .back-home-link i {
            margin-right: 5px;
        }

        .banner-visual {
            position: relative;
            border-radius: 30px;
            overflow: hidden;
            box-shadow: 0 22px 60px rgba(109, 40, 217, 0.16);
        }

        .banner-visual .media-frame {
            aspect-ratio: 4 / 4.6;
            width: 100%;
            overflow: hidden;
            position: relative;
            background: var(--grad-soft);
        }

        .banner-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .banner-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 18, 30, 0.04) 0%, rgba(23, 18, 30, 0.36) 100%);
            border-radius: 30px;
            pointer-events: none;
        }

        .banner-bottom-rig {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            z-index: 4;
            color: #fff;
            padding: 16px 18px;
            border-radius: 18px;
            background: rgba(23, 18, 30, 0.74);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.14);
        }

        .banner-bottom-rig strong {
            display: block;
            font-size: 16px;
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .banner-bottom-rig span {
            display: block;
            font-size: 13px;
            line-height: 1.5;
            color: rgba(255, 255, 255, 0.8);
        }

        .media-frame {
            position: relative;
            display: block;
            width: 100%;
            overflow: hidden;
            background: var(--grad-soft);
        }

        .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-section,
        .topic-section,
        .maintain-section,
        .faq-section,
        .cta-section {
            padding: 84px 0;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--brand);
            margin-bottom: 12px;
        }

        .section-kicker i {
            font-size: 14px;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            margin-bottom: 38px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 750;
            color: var(--ink);
            letter-spacing: -0.02em;
            max-width: 760px;
        }

        .section-title small {
            display: block;
            margin-top: 12px;
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            color: var(--muted);
        }

        .feature-stage {
            display: grid;
            grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .feature-main-card {
            grid-row: 1 / 3;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--line);
            transition: var(--transition);
        }

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

        .feature-main-card .media-frame {
            aspect-ratio: 16 / 9.2;
        }

        .feature-card-body {
            padding: 26px 26px 28px;
        }

        .feature-card-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 24px;
            padding: 0 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: var(--night);
            color: #fff;
            white-space: nowrap;
            line-height: 1;
        }

        .badge.grad-badge {
            background: var(--grad);
            color: #fff;
        }

        .badge.light-badge {
            background: rgba(109, 40, 217, 0.12);
            color: var(--brand-deep);
        }

        .feature-card-body h3,
        .feature-mini h3 {
            font-size: 20px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .feature-card-body p,
        .feature-mini p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-mini {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .feature-mini .media-frame {
            aspect-ratio: 16 / 8.4;
        }

        .feature-mini .feature-card-body {
            padding: 18px 18px 20px;
        }

        .feature-mini h3 {
            font-size: 17px;
        }

        .feature-mini p {
            font-size: 14px;
            margin-bottom: 12px;
        }

        .topic-section {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .topic-card {
            background: var(--bg);
            border-radius: var(--radius-xl);
            padding: 34px;
            border: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }

        .topic-row {
            display: flex;
            align-items: center;
            gap: 22px;
            padding: 22px 8px;
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
            border-radius: 14px;
        }

        .topic-row:last-child {
            border-bottom: 0;
        }

        .topic-row:hover {
            background: #fff;
            box-shadow: 0 8px 20px rgba(109, 40, 217, 0.07);
            padding-left: 18px;
            padding-right: 18px;
        }

        .topic-no {
            font-size: 28px;
            line-height: 1;
            font-weight: 800;
            font-style: italic;
            min-width: 56px;
            background: var(--grad);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

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

        .topic-main h3 {
            font-size: 17px;
            line-height: 1.5;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .topic-main p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 620px;
        }

        .topic-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
        }

        .topic-more i {
            transition: transform 0.2s ease;
        }

        .topic-more:hover i {
            transform: translateX(3px);
        }

        .maintain-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 20px;
        }

        .maintain-step {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--grad);
            color: #fff;
            font-weight: 800;
            font-size: 17px;
            margin-bottom: 18px;
        }

        .maintain-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .maintain-step p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .category-cta-panel {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
            background: var(--surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--line);
        }

        .cta-panel-content {
            padding: 42px 38px;
            position: relative;
            z-index: 2;
        }

        .cta-panel-content .category-tag {
            margin-bottom: 16px;
        }

        .cta-panel-content h2 {
            font-size: 28px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            max-width: 640px;
        }

        .cta-panel-content p {
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 640px;
        }

        .cta-panel-media {
            position: relative;
            min-height: 260px;
        }

        .cta-panel-media .media-frame {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
        }

        .cta-panel-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--surface) 0%, rgba(255, 255, 255, 0) 26%);
        }

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

        .faq-inner-wrap {
            background: var(--surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            padding: 48px;
        }

        .faq-accordion.accordion {
            margin: 0;
            list-style: none;
            background: transparent;
        }

        .faq-accordion .accordion-item {
            background: var(--bg);
            border: 1px solid var(--line);
            margin-bottom: 16px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-accordion .accordion-item:hover {
            border-color: rgba(109, 40, 217, 0.32);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: var(--brand);
            box-shadow: 0 10px 28px rgba(109, 40, 217, 0.08);
        }

        .faq-accordion .accordion-title {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 17px;
            line-height: 1.6;
            font-weight: 700;
            color: var(--ink);
            border: 0;
            background: transparent;
            transition: var(--transition);
            min-height: 60px;
        }

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

        .faq-accordion .accordion-title::before,
        .faq-accordion .accordion-title::after {
            content: none;
        }

        .faq-accordion .accordion-toggle-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            flex: 0 0 30px;
            border-radius: 999px;
            margin-left: 18px;
            font-size: 19px;
            font-weight: 400;
            font-style: normal;
            color: var(--brand);
            background: rgba(109, 40, 217, 0.12);
            transition: var(--transition);
        }

        .faq-accordion .accordion-item.is-active .accordion-toggle-mark {
            background: var(--grad);
            color: #fff;
        }

        .faq-accordion .accordion-toggle-mark i {
            transition: transform 0.2s ease;
        }

        .faq-accordion .accordion-item.is-active .accordion-toggle-mark i {
            transform: rotate(135deg);
        }

        .faq-accordion .accordion-content {
            border: 0;
            background: transparent;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            padding: 2px 24px 22px;
        }

        .footer-cta {
            padding: 0 0 80px;
        }

        .footer-cta-panel {
            position: relative;
            background: var(--night);
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 70px 54px;
            color: #fff;
            box-shadow: 0 20px 50px rgba(23, 18, 30, 0.24);
        }

        .footer-cta-panel::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 999px;
            background: rgba(109, 40, 217, 0.34);
            filter: blur(100px);
            right: -100px;
            bottom: -120px;
        }

        .footer-cta-panel::after {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.2);
            filter: blur(90px);
            right: 170px;
            top: -70px;
        }

        .footer-cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .footer-cta-copy {
            flex: 1;
            min-width: 0;
        }

        .footer-cta-copy h2 {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .footer-cta-copy p {
            color: rgba(255, 255, 255, 0.7);
            max-width: 620px;
            line-height: 1.8;
            font-size: 15px;
        }

        .cta-data-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 18px;
        }

        .cta-data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 30px;
            padding: 0 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--line-white);
            border-radius: 999px;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
        }

        .cta-data-badge i {
            color: var(--amber);
        }

        .site-footer {
            background: #FFF;
            border-top: 1px solid var(--line);
            padding: 64px 0 34px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr) minmax(0, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }

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

        .footer-brand p,
        .footer-note-copy {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-col strong {
            font-size: 16px;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .footer-col a {
            color: var(--muted);
            font-size: 14px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            color: var(--faint);
            font-size: 13px;
        }

        @media screen and (max-width: 1024px) {
            .category-banner {
                padding: 52px 0 60px;
            }

            .banner-grid {
                grid-template-columns: minmax(0, 1fr) 300px;
                gap: 38px;
            }

            .category-banner h1 {
                font-size: 36px;
            }

            .feature-stage {
                grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
            }

            .feature-main-card {
                grid-row: auto;
            }

            .feature-main-card .media-frame {
                aspect-ratio: 16 / 8.6;
            }

            .topic-card {
                padding: 26px;
            }

            .topic-no {
                font-size: 24px;
                min-width: 42px;
            }

            .maintain-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
                gap: 14px;
            }

            .maintain-step {
                padding: 22px;
            }

            .category-cta-panel {
                grid-template-columns: minmax(0, 1fr) 0.45fr;
            }

            .cta-panel-content {
                padding: 32px 26px;
            }

            .footer-cta-panel {
                padding: 54px 36px;
            }

            .footer-cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media screen and (max-width: 900px) {
            .header-inner {
                min-height: 66px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .nav-toggle {
                display: inline-flex;
                order: 3;
            }

            .site-nav {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: var(--surface);
                border: 1px solid var(--line);
                border-radius: 20px;
                padding: 12px;
                box-shadow: 0 18px 44px rgba(23, 18, 30, 0.12);
                display: none;
                z-index: 90;
            }

            .header-inner.nav-open .site-nav {
                display: flex;
            }

            .site-nav .nav-item {
                justify-content: flex-start;
                min-height: 48px;
                padding: 0 18px;
                border-radius: 12px;
            }

            .site-nav .nav-item.active::after {
                display: none;
            }

            .site-nav .nav-item.active {
                background: rgba(109, 40, 217, 0.12);
            }

            .nav-cta-wrap {
                order: 2;
                margin-left: auto;
            }

            .nav-cta-wrap .btn-ghost,
            .nav-cta-wrap .btn-main {
                min-height: 44px;
                padding: 0 16px;
                font-size: 14px;
            }

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

            .banner-visual {
                max-width: 360px;
            }

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

            .feature-main-card .media-frame {
                aspect-ratio: 16 / 8.4;
            }

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

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

            .cta-panel-media {
                display: none;
            }

            .faq-inner-wrap {
                padding: 32px 24px;
            }
        }

        @media screen and (max-width: 640px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .header-inner {
                gap: 10px;
            }

            .brand-logo {
                font-size: 16px;
                gap: 8px;
            }

            .brand-mark {
                width: 30px;
                height: 30px;
                flex: 0 0 30px;
                border-radius: 9px;
                font-size: 15px;
            }

            .nav-cta-wrap .btn-ghost,
            .nav-cta-wrap .btn-main {
                display: none;
            }

            .header-inner.nav-open .nav-cta-wrap {
                display: none;
            }

            .category-banner {
                padding: 44px 0 54px;
            }

            .category-banner h1 {
                font-size: 32px;
                line-height: 1.22;
            }

            .banner-desc {
                font-size: 16px;
                line-height: 1.75;
            }

            .banner-visual {
                max-width: 260px;
                width: 100%;
                margin: 0 auto;
            }

            .banner-visual .media-frame {
                aspect-ratio: 4 / 5;
            }

            .banner-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 10px;
                margin-bottom: 28px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-title small {
                font-size: 14px;
            }

            .feature-section,
            .topic-section,
            .maintain-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }

            .topic-card {
                padding: 16px;
            }

            .topic-row {
                align-items: flex-start;
                flex-wrap: wrap;
                gap: 14px;
                padding: 18px 4px;
            }

            .topic-row:hover {
                padding-left: 10px;
                padding-right: 10px;
            }

            .topic-no {
                min-width: 34px;
                font-size: 22px;
            }

            .topic-main {
                width: calc(100% - 52px);
                flex: none;
            }

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

            .cta-panel-content {
                padding: 30px 22px;
            }

            .cta-panel-content h2 {
                font-size: 23px;
            }

            .faq-inner-wrap {
                padding: 20px 14px;
            }

            .faq-accordion .accordion-title {
                font-size: 15px;
                padding: 16px 16px;
            }

            .faq-accordion .accordion-content {
                padding: 2px 16px 18px;
                font-size: 14px;
            }

            .footer-cta {
                padding-bottom: 56px;
            }

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

            .footer-cta-copy h2 {
                font-size: 23px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 28px;
            }

            .footer-bottom {
                flex-direction: column;
            }

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