/* roulang page: index */
:root {
  --brand-purple: #A855F7;
  --brand-cyan: #06B6D4;
  --brand-pink: #EC4899;
  --brand-orange: #FF7A00;
  --bg-soft: #F6F8F9;
  --card-white: #FFFFFF;
  --dark-ink: #0B101E;
  --dark-ink-2: #111A2E;
  --text-main: #0F172A;
  --text-sub: #475569;
  --text-muted: #94A3B8;
  --line-soft: #E7ECF0;
  --success: #059669;
  --error: #DC2626;
  --r-lg: 24px;
  --r-md: 14px;
  --r-pill: 999px;
  --shadow-card: 0 14px 40px -18px rgba(15, 23, 42, 0.15), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 20px 48px -16px rgba(15, 23, 42, 0.20), 0 8px 16px -10px rgba(15, 23, 42, 0.06);
}

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

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg-soft);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0 0 .45em;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-main);
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

li {
  margin-bottom: .3em;
}

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

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

button, input, form {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1210px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 1024px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

.section {
  padding: 72px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 52px 0;
  }
}

.section-head {
  max-width: 780px;
  margin-bottom: 44px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  margin-bottom: .55em;
}

.section-head p {
  font-size: 1.05rem;
  color: var(--text-sub);
}

.section-head.light h2,
.section-head.light p {
  color: #ffffff;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--brand-purple);
}

.section-head.light .eyebrow {
  color: #fff;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: rgba(168, 85, 247, .09);
  color: #7c3aed;
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.4;
}

.tag-chip.cyan {
  background: rgba(6, 182, 212, .1);
  color: #0e7490;
}

.tag-chip.dark {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.grad-text {
  background: linear-gradient(110deg, #c084fc, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.grad-text-pink {
  background: linear-gradient(110deg, #ec4899, #f97316);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 28px;
  border: 1.5px solid transparent;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .25s, border-color .25s, color .2s, transform .2s, box-shadow .25s, filter .2s;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(6, 182, 212, .55);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(120deg, #A855F7 0%, #d946ef 45%, #06B6D4 100%);
  color: #fff;
  box-shadow: 0 8px 22px -8px rgba(168, 85, 247, .6);
}

.btn-primary:hover {
  filter: brightness(1.08) saturate(1.12);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(168, 85, 247, .55);
}

.btn-primary:active {
  transform: translateY(0) scale(.98);
}

.btn-outline-light {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  border-color: #cbd5e1;
  color: var(--text-main);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--brand-purple);
  color: #7c3aed;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -10px rgba(168, 85, 247, .35);
}

.btn-accent {
  background: #FF7A00;
  color: #fff;
  box-shadow: 0 8px 22px -8px rgba(255, 122, 0, .6);
}

.btn-accent:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
}

.btn-lg {
  min-height: 52px;
  padding: 0 34px;
  font-size: 1.02rem;
}

.btn-sm {
  min-height: 38px;
  padding: 0 20px;
  font-size: .88rem;
}

@media (max-width: 520px) {
  .btn {
    padding: 0 20px;
  }
  .btn-lg {
    min-height: 48px;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 30, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  box-shadow: 0 8px 24px -18px rgba(0, 0, 0, .4);
}

.header-top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-top: 12px;
  padding-bottom: 12px;
}

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

.brand-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 16px;
  background: linear-gradient(135deg, #A855F7, #06B6D4);
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 0 0 5px rgba(168, 85, 247, .15);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-text small {
  font-size: .7rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: .08em;
}

.header-search {
  flex: 1;
  max-width: 520px;
  margin: 0 auto;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1.5px solid rgba(255, 255, 255, .12);
  border-radius: var(--r-pill);
  padding: 0 16px;
  min-height: 44px;
  transition: border-color .25s, background .25s, box-shadow .25s;
}

.search-form:focus-within {
  border-color: rgba(6, 182, 212, .85);
  background: rgba(255, 255, 255, .09);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, .2);
}

.search-form .fa-magnifying-glass {
  color: #94A3B8;
  font-size: .95rem;
}

.search-form input {
  flex: 1;
  max-width: 60%;
  background: transparent;
  border: none;
  outline: none;
  color: #f8fafc;
  font-size: .92rem;
}

.search-form input::placeholder {
  color: #94A3B8;
  opacity: .95;
}

.search-form kbd {
  font-size: .72rem;
  background: rgba(255, 255, 255, .12);
  color: #cbd5e1;
  border-radius: 6px;
  padding: 2px 7px;
  border: 1px solid rgba(255, 255, 255, .12);
  line-height: 1.4;
}

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

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 14px;
  color: #fff;
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
}

.header-bottom {
  background: rgba(255, 255, 255, .025);
  border-top: 1px solid rgba(255, 255, 255, .05);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 12px;
  min-height: 50px;
}

.nav-link {
  color: #cbd5e1;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: .92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s, background .2s;
}

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

.nav-link.active {
  color: #fff;
  background: linear-gradient(120deg, rgba(168, 85, 247, .35), rgba(6, 182, 212, .35));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}

.nav-link .fa {
  font-size: .8rem;
  opacity: .6;
}

/* Mobile menu */
@media (max-width: 991px) {
  .brand-text {
    font-size: .96rem;
  }
  .brand-text small {
    display: none;
  }
  .header-search {
    order: 4;
    max-width: 100%;
    flex: 0 0 100%;
    margin-top: 2px;
    margin-bottom: 6px;
  }
  .header-top {
    flex-wrap: wrap;
  }
  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .header-actions {
    margin-left: auto;
  }
  .header-bottom {
    display: none;
    padding-bottom: 14px;
  }
  .header-bottom.open {
    display: block;
  }
  .nav-row {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav-link {
    justify-content: flex-start;
    padding: 12px 18px;
  }
  .header-cta {
    display: none;
  }
}

/* Hero */
.hero {
  background: var(--dark-ink);
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: .32;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(780px 300px at 12% 12%, rgba(168, 85, 247, .48), transparent 62%),
    radial-gradient(680px 330px at 88% 15%, rgba(6, 182, 212, .36), transparent 56%),
    linear-gradient(180deg, rgba(11, 16, 30, .3), rgba(11, 16, 30, .2), #0B101E 92%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 96px 0 90px;
}

.hero-content {
  max-width: 790px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  color: #dbe4ff;
  border-radius: var(--r-pill);
  padding: 7px 16px;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 34px;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 0 0 rgba(34, 211, 238, .6);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 211, 238, .55); }
  70% { box-shadow: 0 0 0 10px rgba(34, 211, 238, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0); }
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  text-wrap: balance;
}

.hero-sub {
  font-size: 1.12rem;
  color: #cbd5e1;
  max-width: 660px;
  margin-bottom: 34px;
  line-height: 1.8;
}

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

.hero-note {
  font-size: .88rem;
  color: #94A3B8;
  margin: 14px 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  .hero-inner {
    padding: 60px 0 52px;
  }
  .hero-actions {
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* Status / data band */
.status-section {
  margin-top: -44px;
  position: relative;
  z-index: 5;
  padding-bottom: 20px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.status-card {
  background: var(--card-white);
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
  padding: 22px 22px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}

.status-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 85, 247, .4);
  box-shadow: var(--shadow-hover);
}

.status-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, rgba(168, 85, 247, .13), rgba(6, 182, 212, .13));
  color: #7c3aed;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.status-value {
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.status-value .status-unit {
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: 4px;
  letter-spacing: 0;
}

.status-label {
  font-size: .82rem;
  color: var(--text-sub);
}

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

@media (max-width: 520px) {
  .status-grid {
    grid-template-columns: 1fr;
  }
  .status-section {
    margin-top: -20px;
  }
}

/* Play feature section */
.play-section {
  background: var(--bg-soft);
}

.play-grid-large {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 18px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.play-grid-large:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(6, 182, 212, .35);
}

.play-info {
  padding: 34px 38px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.play-info h3 {
  font-size: 1.6rem;
  margin: 12px 0 10px;
}

.play-info p {
  color: var(--text-sub);
  margin-bottom: 20px;
}

.play-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.play-media {
  background: #dfe9f5;
  position: relative;
  min-height: 260px;
  overflow: hidden;
}

.play-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.play-grid-large:hover .play-media img {
  transform: scale(1.02);
}

.play-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 30%;
  background: linear-gradient(to top, rgba(11, 16, 30, .4), transparent);
}

.play-media .play-link {
  position: absolute;
  left: 20px;
  bottom: 16px;
  z-index: 2;
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.play-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.play-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}

.play-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(168, 85, 247, .35);
}

.play-card-media {
  aspect-ratio: 16 / 8.8;
  overflow: hidden;
  position: relative;
  background: #e2e8f0;
}

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

.play-card-body {
  padding: 24px;
}

.play-card-body h3 {
  font-size: 1.18rem;
  margin-bottom: 8px;
}

.play-card-body p {
  font-size: .93rem;
  color: var(--text-sub);
  margin-bottom: 12px;
}

.play-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7c3aed;
  font-weight: 600;
  font-size: .9rem;
}

.link-arrow:hover {
  color: #a21caf;
}

@media (max-width: 900px) {
  .play-grid-large {
    grid-template-columns: 1fr;
  }
  .play-info {
    padding: 26px 24px;
  }
  .play-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Rewards */
.rewards-section {
  background: linear-gradient(180deg, #0B101E, #0D1527);
}

.reward-panel {
  border-radius: 32px;
  background:
    radial-gradient(520px 300px at 0% 20%, rgba(168, 85, 247, .18), transparent 65%),
    radial-gradient(560px 300px at 100% 0%, rgba(6, 182, 212, .15), transparent 60%),
    rgba(255, 255, 255, .02);
  border: 1px solid rgba(255, 255, 255, .09);
  padding: 52px 48px;
  color: #fff;
}

.reward-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.reward-card {
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 22px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .25s, background .25s, border-color .25s;
}

.reward-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, .09);
  border-color: rgba(255, 255, 255, .2);
}

.reward-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(168, 85, 247, .35), rgba(236, 72, 153, .35));
  color: #fff;
  font-size: 1rem;
  margin-bottom: 8px;
}

.reward-card h3 {
  font-size: 1.08rem;
  color: #fff;
}

.reward-card p {
  color: #b6c0d4;
  font-size: .87rem;
  margin-bottom: 0;
  line-height: 1.6;
  flex: 1;
}

.reward-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(34, 211, 238, .12);
  color: #67e8f9;
  font-weight: 600;
  align-self: flex-start;
}

.reward-status.orange {
  background: rgba(255, 122, 0, .12);
  color: #fdba74;
}

.reward-status.green {
  background: rgba(16, 185, 129, .12);
  color: #34d399;
}

@media (max-width: 1100px) {
  .reward-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .reward-panel {
    padding: 30px 20px;
    border-radius: 24px;
  }
}

@media (max-width: 560px) {
  .reward-grid {
    grid-template-columns: 1fr;
  }
}

/* Process / task */
.process-section {
  background: #fff;
}

.process-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 46px;
  align-items: center;
}

.step-list {
  position: relative;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-list li {
  display: flex;
  gap: 18px;
  position: relative;
  padding-bottom: 28px;
}

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

.step-num {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #A855F7, #EC4899);
  color: #fff;
  font-weight: 800;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(168, 85, 247, .10);
}

.step-list li::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(168, 85, 247, .4), rgba(6, 182, 212, .3));
  transform: translateX(-50%);
}

.step-list li:last-child::before {
  display: none;
}

.step-content h3 {
  font-size: 1.08rem;
  margin: 2px 0 6px;
}

.step-content p {
  color: var(--text-sub);
  font-size: .93rem;
  margin: 0;
  max-width: 440px;
}

.progress-card {
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.progress-card h3 {
  font-size: 1.2rem;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.progress-card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed #dfe5ec;
  font-size: .93rem;
  color: var(--text-sub);
}

.progress-card-list li.done {
  color: var(--text-main);
}

.progress-card-list li .state-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: .68rem;
  color: #fff;
  background: var(--success);
}

.progress-card-list li.todo .state-icon {
  background: #e0e7ef;
  color: #94A3B8;
}

.progress-track-label {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.progress-track {
  height: 10px;
  border-radius: var(--r-pill);
  background: #e2e8f0;
  overflow: hidden;
  margin-bottom: 22px;
}

.progress-track-bar {
  height: 100%;
  width: 66%;
  border-radius: inherit;
  background: linear-gradient(90deg, #A855F7, #06B6D4);
  position: relative;
}

.progress-track-bar::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  width: 18px;
  height: 14px;
  background: var(--brand-orange);
  border-radius: 6px 2px 6px 2px;
  box-shadow: 0 0 0 3px rgba(255, 122, 0, .2);
}

@media (max-width: 900px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .step-list li {
    padding-bottom: 22px;
  }
  .step-content p {
    font-size: .9rem;
  }
}

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

.news-head-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 32px;
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  padding: 8px 20px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-sub);
  flex-shrink: 0;
  box-shadow: 0 4px 12px -8px rgba(15, 23, 42, .07);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.more-link:hover {
  border-color: rgba(168, 85, 247, .45);
  color: #7c3aed;
  transform: translateY(-2px);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 24px;
}

.news-feature-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 30px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.news-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(168, 85, 247, .35);
}

.news-feature-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, #A855F7, #06B6D4);
}

.news-feature-label {
  display: inline-flex;
  align-self: flex-start;
  border-radius: var(--r-pill);
  background: linear-gradient(120deg, #A855F7, #d946ef, #06B6D4);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
  padding: 4px 14px;
  letter-spacing: .05em;
  margin-bottom: 14px;
}

.news-feature-card h3 {
  font-size: 1.4rem;
  line-height: 1.44;
  margin: 10px 0 10px;
}

.news-feature-card h3 a:hover {
  color: #7c3aed;
}

.news-feature-card p {
  color: var(--text-sub);
  font-size: .95rem;
  margin-bottom: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: .86rem;
  color: var(--text-muted);
}

.news-meta time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.news-item {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}

.news-item:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, .35);
  box-shadow: var(--shadow-card);
}

.news-item-title h4 {
  font-size: 1rem;
  line-height: 1.45;
  margin: 0 0 4px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 34vw;
}

.news-item-title h4 a:hover {
  color: #06b6d4;
}

.news-item-title p {
  color: var(--text-muted);
  font-size: .83rem;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 36vw;
}

.news-item time {
  color: var(--text-muted);
  font-size: .82rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-empty {
  border: 2px dashed #cfd9e2;
  border-radius: 24px;
  padding: 54px 24px;
  text-align: center;
  color: var(--text-muted);
  background: rgba(255, 255, 255, .6);
}

.news-empty i {
  font-size: 2rem;
  margin-bottom: 12px;
  color: #c3cedb;
  display: block;
}

@media (max-width: 960px) {
  .news-layout {
    grid-template-columns: 1fr;
  }
  .news-item-title h4,
  .news-item-title p {
    max-width: 60vw;
  }
}

@media (max-width: 680px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .news-item-title h4,
  .news-item-title p {
    max-width: 100%;
    white-space: normal;
  }
  .news-item time {
    margin-top: 4px;
  }
  .news-feature-card {
    padding: 24px;
  }
}

/* FAQ */
.faq-section {
  background: #fff;
}

.faq-inner {
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

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

.faq-item {
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}

.faq-item[open] {
  border-color: rgba(168, 85, 247, .35);
  box-shadow: 0 12px 32px -20px rgba(88, 28, 135, .25);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text-main);
}

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

.faq-chevron {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, .05);
  border-radius: 50%;
  color: var(--text-sub);
  flex-shrink: 0;
  transition: transform .35s ease, background .25s, color .25s;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  background: linear-gradient(120deg, #A855F7, #06B6D4);
  color: #fff;
}

.faq-body {
  padding: 0 24px 20px;
  color: var(--text-sub);
  font-size: .95rem;
  border-top: 1px dashed #d8e0e8;
  margin: 0 0 0 0;
}

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

/* CTA band */
.cta-band {
  background: #0B101E;
}

.cta-panel {
  background:
    radial-gradient(600px 340px at 15% 20%, rgba(168, 85, 247, .28), transparent 70%),
    radial-gradient(600px 320px at 85% 80%, rgba(6, 182, 212, .24), transparent 60%),
    url('/assets/images/backpic/back-2.webp') center/cover;
  background-blend-mode: normal;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, .1);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
}

.cta-panel h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.35;
  margin-bottom: 14px;
}

.cta-panel p {
  color: #cdd5e8;
  max-width: 580px;
  margin: 0 auto 32px;
  font-size: 1.02rem;
}

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

@media (max-width: 680px) {
  .cta-panel {
    padding: 40px 18px;
    border-radius: 24px;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}

/* Footer */
.site-footer {
  background: var(--dark-ink);
  color: #a9b4c8;
  padding-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, .05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr 1fr;
  gap: 42px;
  padding-bottom: 48px;
}

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

.footer-desc {
  font-size: .92rem;
  color: #94A3B8;
  max-width: 320px;
  margin-bottom: 18px;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, .1);
  background: rgba(255, 255, 255, .03);
  border-radius: var(--r-pill);
  padding: 6px 12px;
  font-size: .8rem;
  color: #cbd5e1;
}

.footer-title {
  color: #fff;
  font-size: .96rem;
  font-weight: 700;
  margin: 0 0 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #c084fc, #06B6D4);
}

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

.footer-links a {
  color: #a9b4c8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .9rem;
  transition: color .2s, padding-left .2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .83rem;
  color: #7d8aa5;
}

.footer-bottom p {
  margin: 0;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 580px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

/* helper */
.bg-white-soft {
  background: var(--card-white);
}

.mb-0 {
  margin-bottom: 0;
}

.mt-2 {
  margin-top: 8px;
}

.mb-2 {
  margin-bottom: 8px;
}

.text-muted {
  color: var(--text-muted);
}

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

/* roulang page: category1 */
:root {
    --brand-a: #a855f7;
    --brand-b: #06b6d4;
    --brand-c: #ec4899;
    --accent: #ff7a00;
    --dark: #0b101e;
    --bg: #f6f8f9;
    --card: #ffffff;
    --text: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;
    --line: #e2e8f0;
    --success: #059669;
    --danger: #dc2626;
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-full: 999px;
    --shadow-card: 0 6px 24px rgba(15,23,42,.06);
    --shadow-hover: 0 14px 34px rgba(15,23,42,.12);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
  }

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

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

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

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

  .container {
    max-width: 1210px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 16, 30, .96);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    backdrop-filter: blur(14px);
  }

  .header-layout {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    padding-top: 12px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }

  .brand-dot {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #06b6d4 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 0 18px rgba(236, 72, 153, .3);
  }

  .brand-text {
    display: flex;
    flex-direction: column;
    font-weight: 800;
    font-size: 19px;
    color: #fff;
    letter-spacing: .2px;
  }

  .brand-text small {
    font-size: 11px;
    color: #94a3b8;
    font-weight: 400;
    letter-spacing: .4px;
    line-height: 1.2;
    margin-top: 2px;
  }

  .header-search {
    max-width: 520px;
    width: 100%;
    justify-self: center;
  }

  .search-box {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    height: 44px;
    color: #cbd5e1;
    transition: .22s ease;
  }

  .search-box:focus-within {
    border-color: rgba(168, 85, 247, .8);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, .24);
    background: rgba(255, 255, 255, .1);
  }

  .search-box input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: #fff;
    font-size: 14px;
    min-width: 0;
  }

  .search-box input::placeholder {
    color: #94a3b8;
  }

  .search-clear {
    background: transparent;
    border: 0;
    color: #64748b;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: linear-gradient(135deg, #ff7a00, #f43f5e);
    border-radius: var(--radius-full);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 0 18px;
    height: 40px;
    transition: .22s ease;
    box-shadow: 0 4px 14px rgba(255, 122, 0, .22);
  }

  .header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 122, 0, .32);
    filter: brightness(1.06);
  }

  .nav-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 6px;
    padding-bottom: 12px;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-behavior: smooth;
  }

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

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 15px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    color: #cbd5e1;
    border: 1px solid transparent;
    transition: .18s ease;
    flex-shrink: 0;
  }

  .nav-link i {
    color: #7c8ea0;
    font-size: 13px;
    transition: .18s ease;
  }

  .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border-color: rgba(255, 255, 255, .1);
  }

  .nav-link:hover i {
    color: #67e8f9;
  }

  .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(168, 85, 247, .28), rgba(6, 182, 212, .22));
    border-color: rgba(168, 85, 247, .36);
  }

  .nav-link.active i {
    color: #f0abfc;
  }

  .cat-hero {
    position: relative;
    background:
      radial-gradient(600px 300px at 15% 10%, rgba(168, 85, 247, .24), transparent 60%),
      radial-gradient(700px 320px at 85% 20%, rgba(6, 182, 212, .2), transparent 60%),
      linear-gradient(180deg, rgba(11, 16, 30, .66), rgba(11, 16, 30, .9)),
      url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    color: #fff;
    padding: 76px 0 68px;
  }

  .cat-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, .6), rgba(6, 182, 212, .6), transparent);
  }

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

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 16px;
  }

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

  .breadcrumb span {
    color: #64748b;
  }

  .hero-overline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    font-size: 13px;
    color: #e2e8f0;
    font-weight: 500;
    margin-bottom: 18px;
    letter-spacing: .3px;
  }

  .hero-overline i {
    color: #22d3ee;
  }

  .cat-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    line-height: 1.18;
    margin: 0 0 14px;
    font-weight: 800;
    letter-spacing: .5px;
  }

  .cat-hero h1 .grad {
    background: linear-gradient(135deg, #e879f9, #22d3ee, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    font-size: 16px;
    color: #cbd5e1;
    max-width: 780px;
    margin: 0;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    padding: 0 24px;
    height: 46px;
    border: 1.5px solid transparent;
    transition: all .22s ease;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary {
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    color: #fff;
    box-shadow: 0 6px 18px rgba(6, 182, 212, .2);
  }

  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(168, 85, 247, .3);
    filter: brightness(1.05);
  }

  .btn-secondary {
    background: rgba(255, 255, 255, .04);
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, .24);
  }

  .btn-secondary:hover {
    border-color: #a855f7;
    color: #fff;
    box-shadow: 0 0 0 3px rgba(168, 85, 247, .18);
    transform: translateY(-3px);
  }

  .btn-accent {
    background: linear-gradient(135deg, #ff7a00, #f43f5e);
    color: #fff;
    box-shadow: 0 6px 18px rgba(255, 122, 0, .2);
  }

  .btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(244, 63, 94, .28);
    filter: brightness(1.05);
  }

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

  .metric-item {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 18px;
    padding: 12px 18px;
  }

  .metric-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(168, 85, 247, .3), rgba(6, 182, 212, .25));
    color: #c4b5fd;
    font-size: 15px;
  }

  .metric-content strong {
    display: block;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: .3px;
    color: #fff;
  }

  .metric-content span {
    display: block;
    font-size: 12px;
    color: #94a3b8;
  }

  .main {
    overflow: hidden;
  }

  .tag-strip {
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
  }

  .tag-strip-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tag-strip-inner::-webkit-scrollbar {
    display: none;
  }

  .strip-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-2);
    font-weight: 600;
    white-space: nowrap;
    padding-right: 4px;
  }

  .strip-label i {
    color: var(--brand-b);
  }

  .tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    background: #f8fafc;
    border-radius: 999px;
    padding: 7px 15px;
    font-size: 14px;
    color: var(--text-2);
    font-weight: 500;
    white-space: nowrap;
    transition: .18s ease;
    flex-shrink: 0;
  }

  .tag-pill:hover {
    color: #fff;
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    border-color: transparent;
    transform: translateY(-1px);
  }

  .section {
    padding: 76px 0;
  }

  .section-soft {
    background: #fff;
  }

  .section-muted {
    background: #eef1f4;
  }

  .section-head {
    max-width: 820px;
    margin-bottom: 34px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .8px;
    color: #7c3aed;
    text-transform: uppercase;
    margin-bottom: 10px;
  }

  .eyebrow i {
    color: #06b6d4;
  }

  .section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 800;
    margin: 0 0 10px;
    letter-spacing: .3px;
  }

  .section-head p {
    color: var(--text-2);
    font-size: 15px;
    margin: 0;
  }

  .feature-card {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: .25s ease;
  }

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

  .feature-content {
    padding: 36px;
  }

  .feature-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f5f3ff;
    color: #7c3aed;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    padding: 5px 12px;
  }

  .feature-kicker i {
    color: #a855f7;
  }

  .feature-content h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 16px 0 10px;
    line-height: 1.35;
  }

  .feature-content p {
    color: var(--text-2);
    font-size: 15px;
    margin: 0 0 18px;
  }

  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: grid;
    gap: 10px;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--text-2);
    font-size: 14.5px;
  }

  .feature-list i {
    color: #06b6d4;
    margin-top: 6px;
    font-size: 13px;
  }

  .feature-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    background: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
  }

  .badge i {
    color: #0891b2;
    font-size: 12px;
  }

  .badge-purple {
    background: #faf5ff;
    color: #7e22ce;
    border-color: #e9d5ff;
  }

  .badge-purple i {
    color: #a855f7;
  }

  .feature-photo {
    position: relative;
    min-height: 330px;
  }

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

  .feature-photo::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 16, 30, 0) 30%, rgba(11, 16, 30, .3) 100%);
    z-index: 1;
  }

  .photo-note {
    position: absolute;
    right: 16px;
    bottom: 16px;
    left: 16px;
    z-index: 2;
    color: #fff;
    font-size: 13px;
    background: rgba(11, 16, 30, .54);
    padding: 8px 14px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 60%;
    margin-left: 0;
  }

  .photo-note i {
    color: #22d3ee;
  }

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

  .theme-card {
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all .24s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 18px rgba(15, 23, 42, .04);
  }

  .theme-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(168, 85, 247, .24);
  }

  .theme-cover {
    position: relative;
    aspect-ratio: 16 / 8;
    min-height: 200px;
    overflow: hidden;
  }

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

  .theme-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 54%, rgba(11, 16, 30, .2) 100%);
  }

  .theme-top-label {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(11, 16, 30, .6);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 999px;
    color: #fff;
    padding: 5px 12px;
    font-size: 12.5px;
  }

  .theme-top-label i {
    color: #67e8f9;
  }

  .theme-body {
    padding: 24px 26px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .theme-body h3 {
    font-size: 1.22rem;
    font-weight: 800;
    margin: 0 0 8px;
  }

  .theme-body p {
    color: var(--text-2);
    font-size: 14px;
    margin: 0 0 16px;
    flex: 1;
  }

  .theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 18px;
  }

  .theme-tags span {
    display: inline-flex;
    align-items: center;
    background: #f1f5f9;
    color: var(--text-2);
    border-radius: 999px;
    font-size: 12.5px;
    padding: 4px 10px;
  }

  .theme-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #7c3aed;
    font-size: 14px;
    font-weight: 600;
  }

  .theme-link i {
    transition: transform .18s ease;
  }

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

  .flight-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all .24s ease;
  }

  .flight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(236, 72, 153, .2);
  }

  .flight-card-inner {
    padding: 24px 26px 22px;
  }

  .flight-stepwrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 34px;
  }

  .step-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    transition: all .22s ease;
  }

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

  .step-num {
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    line-height: 1;
    margin-bottom: 16px;
    box-shadow: 0 6px 14px rgba(168, 85, 247, .22);
  }

  .step-item h4 {
    font-size: 1.05rem;
    margin: 0 0 7px;
    font-weight: 700;
  }

  .step-item p {
    color: var(--text-2);
    font-size: 13.5px;
    margin: 0;
  }

  .delay-1 {
    transition-delay: .03s;
  }
  .delay-2 {
    transition-delay: .06s;
  }
  .delay-3 {
    transition-delay: .09s;
  }

  .faq-wrap {
    max-width: 880px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all .22s ease;
  }

  .faq-item[open] {
    border-color: rgba(168, 85, 247, .38);
    box-shadow: 0 6px 18px rgba(15, 23, 42, .05);
  }

  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    cursor: pointer;
    padding: 18px 22px;
    font-size: 15.5px;
    font-weight: 600;
  }

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

  .faq-item summary .faq-qicon {
    color: #7c3aed;
    font-size: 15px;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f5f3ff;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .faq-icon {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-3);
    background: #f1f5f9;
    border-radius: 50%;
    flex-shrink: 0;
    transition: all .22s ease;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(180deg);
    color: #fff;
    background: linear-gradient(135deg, #a855f7, #06b6d4);
  }

  .faq-answer {
    padding: 0 22px 20px 64px;
    color: var(--text-2);
    font-size: 14.5px;
  }

  .cta-panel {
    margin: 0 auto;
    color: #fff;
    border-radius: 28px;
    padding: 56px 40px;
    text-align: center;
    background:
      radial-gradient(600px 260px at 10% 0%, rgba(255, 122, 0, .2), transparent 60%),
      radial-gradient(700px 260px at 100% 100%, rgba(168, 85, 247, .32), transparent 60%),
      linear-gradient(135deg, #0b101e, #1e1b4b 60%, #0b101e);
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 24px 60px rgba(11, 16, 30, .24);
    position: relative;
    overflow: hidden;
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(236, 72, 153, .12);
    filter: blur(16px);
  }

  .cta-panel h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    margin: 0 auto 12px;
    font-weight: 800;
    max-width: 720px;
    line-height: 1.3;
    position: relative;
    z-index: 1;
  }

  .cta-panel p {
    color: #cbd5e1;
    margin: 0 auto 24px;
    max-width: 600px;
    font-size: 15px;
    position: relative;
    z-index: 1;
  }

  .cta-panel .fa-arrow-right {
    transition: transform .2s ease;
  }

  .cta-panel .btn-accent:hover .fa-arrow-right {
    transform: translateX(4px);
  }

  .site-footer {
    background: #080d18;
    color: #94a3b8;
    margin-top: 76px;
    padding-top: 62px;
    font-size: 14px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 42px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
  }

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

  .footer-brand .brand-dot {
    width: 40px;
    height: 40px;
  }

  .footer-desc {
    color: #94a3b8;
    font-size: 13.5px;
    line-height: 1.8;
    margin: 18px 0 16px;
    max-width: 280px;
  }

  .footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .09);
    border-radius: 999px;
    padding: 5px 11px;
    font-size: 12.5px;
    color: #cbd5e1;
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 14px;
  }

  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 9px;
  }

  .footer-links a {
    color: #94a3b8;
    font-size: 13.5px;
    transition: .18s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .footer-links a::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #475569;
    transition: .2s ease;
  }

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

  .footer-links a:hover::before {
    background: #a855f7;
    box-shadow: 0 0 0 3px rgba(168, 85, 247, .16);
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    padding: 20px 0;
    color: #64748b;
    font-size: 12.5px;
  }

  .footer-bottom p {
    margin: 0;
  }

  @media (max-width:1024px) {
    .header-layout {
      grid-template-columns: 1fr auto;
    }

    .header-search {
      order: 3;
      grid-column: 1 / -1;
      max-width: none;
    }

    .flight-stepwrap {
      grid-template-columns: repeat(2, 1fr);
    }

    .feature-content {
      padding: 28px;
    }
  }

  @media (max-width:768px) {
    .brand-text small {
      display: none;
    }

    .brand-dot {
      width: 34px;
      height: 34px;
      font-size: 14px;
    }

    .brand-text {
      font-size: 17px;
    }

    .section {
      padding: 56px 0;
    }

    .hero-actions .btn {
      width: calc(50% - 6px);
      padding: 0 12px;
      font-size: 14px;
    }

    .hero-actions {
      gap: 12px;
    }

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

    .metric-item {
      width: 100%;
    }

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

    .feature-photo {
      min-height: 250px;
      order: -1;
    }

    .feature-photo img {
      position: static;
      height: 250px;
    }

    .photo-note {
      bottom: auto;
      top: auto;
      right: auto;
      left: 16px;
      margin-top: 90px;
    }

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

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

    .cta-panel {
      padding: 40px 20px;
    }

    .faq-answer {
      padding-left: 22px;
    }
  }

  @media (max-width:520px) {
    .header-cta {
      padding: 0 13px;
      font-size: 13px;
      height: 38px;
    }

    .cat-hero {
      padding: 54px 0 52px;
    }

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

    .hero-actions .btn {
      width: 100%;
      height: 48px;
    }

    .flight-stepwrap {
      grid-template-columns: 1fr;
    }

    .theme-body {
      padding: 20px 20px 22px;
    }

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

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

/* roulang page: article */
:root {
  --night: #0B101E;
  --panel: #F6F8F9;
  --card: #FFFFFF;
  --text-main: #0F172A;
  --text-sub: #475569;
  --text-muted: #94A3B8;
  --brand-1: #A855F7;
  --brand-2: #06B6D4;
  --brand-3: #EC4899;
  --accent: #FF7A00;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card: 0 20px 45px rgba(15, 23, 42, .08);
  --shadow-hover: 0 28px 55px rgba(15, 23, 42, .12);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; font-family:var(--font-stack); color:var(--text-main); background:var(--panel); line-height:1.75; -webkit-font-smoothing:antialiased; }
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
ul, ol { margin:0; padding:0; }
button, input { font:inherit; }
.container { width:100%; max-width:1210px; margin:0 auto; padding-left:16px; padding-right:16px; }
@media (min-width:1024px) { .container { padding-left:24px; padding-right:24px; } }

.site-header { position:sticky; top:0; z-index:100; background:rgba(11,16,30,.92); backdrop-filter:blur(10px); border-bottom:1px solid rgba(255,255,255,.06); transition:.3s; }
.site-header.scrolled { box-shadow:0 10px 30px rgba(2,6,23,.40); }
.header-main { display:flex; align-items:center; gap:22px; padding-top:14px; padding-bottom:6px; flex-wrap:wrap; }
.brand { display:inline-flex; align-items:center; gap:12px; font-size:1.12rem; color:#fff; font-weight:800; min-width:0; line-height:1.25; }
.brand-dot { width:42px; height:42px; border-radius:14px; display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto; background:linear-gradient(135deg,#EC4899,#A855F7 46%,#06B6D4); color:#fff; font-size:1.1rem; box-shadow:0 8px 20px rgba(168,85,247,.35); }
.brand-text { display:flex; flex-direction:column; }
.brand-text small { font-size:.69rem; font-weight:500; color:#8EA0B8; letter-spacing:.12em; }
.header-search { flex:1 1 100%; order:3; display:flex; align-items:center; background:rgba(255,255,255,.10); border:1px solid rgba(255,255,255,.14); border-radius:999px; padding:0 6px 0 16px; height:46px; transition:.3s; }
.header-search:focus-within { border-color:#06B6D4; box-shadow:0 0 0 4px rgba(6,182,212,.18); background:rgba(255,255,255,.14); }
.header-search-icon { color:#A5B4CB; font-size:.9rem; }
.header-search input { flex:1; background:transparent; border:0; outline:0; color:#fff; font-size:.9rem; margin:0 10px; min-width:0; }
.header-search input::placeholder { color:#7D8DA8; }
.header-search input::-webkit-search-cancel-button { -webkit-appearance:none; }
.header-search-btn { width:36px; height:36px; border-radius:50%; border:0; display:inline-flex; align-items:center; justify-content:center; background:linear-gradient(135deg,#EC4899,#A855F7 46%,#06B6D4); color:#fff; cursor:pointer; transition:.25s; }
.header-search-btn:hover { transform:scale(1.08); filter:brightness(1.1); }
.header-tools { display:flex; align-items:center; gap:10px; margin-left:auto; }
.header-tools .btn { white-space:nowrap; }
.menu-toggle { width:42px; height:42px; display:inline-flex; align-items:center; justify-content:center; border-radius:14px; background:rgba(255,255,255,.08); color:#fff; border:1px solid rgba(255,255,255,.12); font-size:1.2rem; cursor:pointer; display:none; }

.nav-row { display:flex; align-items:center; gap:6px; padding-top:4px; padding-bottom:16px; overflow-x:auto; scrollbar-width:none; }
.nav-row::-webkit-scrollbar { display:none; }
.nav-link { display:inline-flex; align-items:center; gap:7px; padding:9px 18px; border-radius:999px; font-size:.86rem; font-weight:500; color:#A2B0C6; border:1px solid transparent; transition:.25s; white-space:nowrap; }
.nav-link i { font-size:.85rem; }
.nav-link:hover { color:#fff; background:rgba(255,255,255,.08); }
.nav-link.active { background:linear-gradient(135deg,rgba(168,85,247,.24),rgba(6,182,212,.22)); color:#fff; border-color:rgba(168,85,247,.45); }

.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:44px; padding:0 22px; border:0; border-radius:999px; font-size:.9rem; font-weight:600; cursor:pointer; transition:.25s; text-decoration:none; line-height:1.2; }
.btn-sm { min-height:40px; padding:0 18px; font-size:.84rem; }
.btn-primary { background:linear-gradient(135deg,#EC4899,#A855F7 45%,#06B6D4); background-size:160% auto; color:#fff; box-shadow:0 10px 22px rgba(236,72,153,.26); }
.btn-primary:hover { background-position:right center; transform:translateY(-2px); box-shadow:0 16px 28px rgba(168,85,247,.34); }
.btn-primary:active { transform:translateY(0); box-shadow:0 5px 12px rgba(168,85,247,.25); }
.btn-secondary { background:rgba(255,255,255,.06); color:#fff; border:1px solid rgba(255,255,255,.18); }
.btn-secondary:hover { border-color:#06B6D4; color:#fff; background:rgba(6,182,212,.14); transform:translateY(-2px); }
.btn-outline-card { background:transparent; color:var(--text-main); border:1.5px solid #E2E8F0; }
.btn-outline-card:hover { border-color:#A855F7; color:#A855F7; transform:translateY(-2px); }
.btn-block { width:100%; }

.section-block { padding:80px 0; }
@media (max-width:768px) { .section-block { padding:56px 0; } }

.article-hero { position:relative; background:linear-gradient(120deg,rgba(11,16,30,.94),rgba(45,15,70,.82)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat; color:#fff; padding:64px 0 120px; overflow:hidden; }
.article-hero::before { content:""; position:absolute; width:520px; height:520px; left:6%; top:-220px; border-radius:50%; background:radial-gradient(circle,rgba(168,85,247,.30),transparent 66%); pointer-events:none; }
.article-hero::after { content:""; position:absolute; width:420px; height:420px; right:2%; bottom:-180px; border-radius:50%; background:radial-gradient(circle,rgba(6,182,212,.25),transparent 64%); pointer-events:none; }
.article-hero-inner { position:relative; z-index:2; max-width:950px; margin:0 auto; text-align:center; }
.breadcrumb { display:flex; justify-content:center; align-items:center; gap:8px; font-size:.82rem; color:#B6C2D9; flex-wrap:wrap; margin-bottom:16px; }
.breadcrumb a { color:#B6C2D9; transition:.2s; display:inline-flex; align-items:center; gap:5px; }
.breadcrumb a:hover { color:#fff; }
.breadcrumb span { color:#6E7B94; }
.article-category-pill { display:inline-flex; align-items:center; gap:6px; background:linear-gradient(135deg,rgba(236,72,153,.98),rgba(168,85,247,.98)); padding:6px 16px; border-radius:999px; color:#fff; font-size:.78rem; font-weight:700; letter-spacing:.08em; box-shadow:0 6px 16px rgba(236,72,153,.28); margin-bottom:20px; }
.article-hero h1 { margin:0 0 18px; font-size:clamp(1.9rem,4vw,2.8rem); font-weight:800; line-height:1.28; text-shadow:0 2px 20px rgba(0,0,0,.20); letter-spacing:.01em; }
.article-meta { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:20px; font-size:.84rem; color:#B7C3D8; }
.article-meta span { display:inline-flex; align-items:center; gap:7px; }
.article-meta i { color:#67E8F9; }

.article-detail-main { position:relative; z-index:3; margin-top:-72px; padding-bottom:58px; }
.article-content-panel { background:#fff; border-radius:var(--radius-xl); box-shadow:var(--shadow-card); padding:clamp(24px,5vw,56px); margin-bottom:24px; border:1px solid rgba(226,232,240,.8); transition:.3s; }
.article-content { max-width:800px; margin:0 auto; }
.article-content p { margin:0 0 1.3em; font-size:1rem; line-height:1.95; color:#334155; }
.article-content h2 { margin:1.8em 0 .7em; font-size:1.55rem; font-weight:800; line-height:1.35; padding-left:14px; border-left:4px solid transparent; border-image:linear-gradient(180deg,#EC4899,#06B6D4) 1; border-radius:0 4px 4px 0; }
.article-content h3 { margin:1.6em 0 .6em; font-size:1.2rem; font-weight:700; color:#0F172A; }
.article-content h4 { margin:1.4em 0 .4em; font-size:1.06rem; font-weight:700; color:#1E293B; }
.article-content ul, .article-content ol { margin:0 0 1.4em; padding-left:1.3em; color:#334155; }
.article-content ul li, .article-content ol li { margin-bottom:.55em; }
.article-content ul li::marker { color:#A855F7; }
.article-content ol li::marker { color:#EC4899; font-weight:700; }
.article-content blockquote { margin:1.8em 0; padding:18px 22px; background:#F8FAFC; border-left:4px solid #A855F7; border-radius:6px 16px 16px 6px; color:#475569; font-size:.98rem; }
.article-content blockquote p:last-child { margin-bottom:0; }
.article-content img { margin:1.6em auto; border-radius:18px; border:1px solid #EEF2F7; object-fit:cover; max-height:560px; }
.article-content .aligncenter { display:block; }
.article-content a { color:#9333EA; text-decoration:underline; text-decoration-color:rgba(147,51,234,.35); text-underline-offset:4px; transition:.2s; }
.article-content a:hover { color:#06B6D4; text-decoration-color:#06B6D4; }
.article-content table { display:block; overflow-x:auto; margin:1.6em 0; max-width:100%; border-collapse:collapse; white-space:nowrap; border-radius:12px; }
.article-content table th, .article-content table td { padding:12px 16px; border:1px solid #E2E8F0; font-size:.9rem; text-align:left; }
.article-content table th { background:#F8FAFC; font-weight:700; }
.article-content code { background:#F1F5F9; border:1px solid #E2E8F0; border-radius:6px; padding:2px 8px; font-family:"SFMono-Regular",Consolas,monospace; font-size:.88em; color:#BE185D; }
.article-content pre { background:#0B101E; color:#E2E8F0; padding:20px; border-radius:16px; overflow-x:auto; margin:1.6em 0; }
.article-content pre code { background:transparent; border:0; padding:0; color:inherit; }

.related-section { padding:52px 0 36px; }
.section-title-wrap { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:32px; }
.section-title { font-size:clamp(1.35rem,2.4vw,1.9rem); font-weight:800; margin:0; line-height:1.3; }
.section-title small { display:block; font-size:.82rem; font-weight:400; color:var(--text-muted); margin-top:6px; letter-spacing:.05em; }
.section-more { display:inline-flex; align-items:center; gap:8px; color:#475569; font-size:.86rem; font-weight:600; transition:.2s; }
.section-more:hover { color:#A855F7; }
.related-grid { display:grid; grid-template-columns:1fr; gap:22px; }
@media (min-width:768px) { .related-grid { grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px) { .related-grid { grid-template-columns:repeat(3,1fr); } }

.related-card { background:#fff; border:1px solid #E6EDF3; border-radius:24px; overflow:hidden; box-shadow:0 8px 24px rgba(15,23,42,.04); transition:.3s; display:flex; flex-direction:column; }
.related-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); border-color:rgba(168,85,247,.4); }
.related-cover { position:relative; aspect-ratio:16/10; overflow:hidden; background:#E6EDF3; }
.related-cover img { width:100%; height:100%; object-fit:cover; transition:.5s; }
.related-card:hover .related-cover img { transform:scale(1.05); }
.cover-tag { position:absolute; left:14px; top:14px; background:rgba(11,16,30,.75); color:#fff; padding:5px 12px; border-radius:999px; font-size:.76rem; font-weight:600; display:inline-flex; gap:6px; align-items:center; backdrop-filter:blur(5px); }
.related-body { padding:22px; display:flex; flex-direction:column; flex:1; }
.related-body h3 { font-size:1.06rem; font-weight:800; line-height:1.45; margin:0 0 10px; }
.related-body h3 a { transition:.2s; }
.related-body h3 a:hover { color:#A855F7; }
.related-body p { color:#6B7A90; font-size:.88rem; margin:0 0 16px; flex:1; }
.related-meta { display:flex; justify-content:space-between; align-items:center; color:var(--text-muted); font-size:.8rem; gap:10px; }
.related-meta span { display:inline-flex; align-items:center; gap:6px; }

.back-cta-row { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; padding:18px 0 30px; }

.empty-article { min-height:66vh; display:flex; align-items:center; justify-content:center; padding:42px 0; background:#F6F8F9; }
.empty-state { text-align:center; background:#fff; border:1px dashed #CBD5E1; border-radius:32px; max-width:560px; margin:0 auto; padding:52px 28px; box-shadow:0 6px 16px rgba(15,23,42,.03); }
.empty-state .empty-icon { width:68px; height:68px; margin:0 auto 18px; border-radius:24px; background:linear-gradient(135deg,rgba(168,85,247,.10),rgba(6,182,212,.10)); display:flex; align-items:center; justify-content:center; color:#A855F7; font-size:1.7rem; }
.empty-state h1 { font-size:1.45rem; font-weight:800; margin:0 0 10px; color:#0F172A; }
.empty-state p { color:#64748B; font-size:.92rem; margin:0 0 22px; }
.empty-state .btn { min-width:150px; }

.main-cta { margin-top:32px; }
.cta-panel { background:linear-gradient(135deg,rgba(168,85,247,.95),rgba(236,72,153,.85),rgba(6,182,212,.92)); border-radius:36px; padding:clamp(34px,6vw,70px); text-align:center; color:#fff; position:relative; overflow:hidden; }
.cta-panel::before { content:""; position:absolute; width:320px; height:320px; right:-100px; top:-100px; background:rgba(255,255,255,.14); filter:blur(5px); border-radius:50%; }
.cta-panel::after { content:""; position:absolute; width:260px; height:260px; left:-60px; bottom:-110px; background:rgba(255,255,255,.10); border-radius:50%; }
.cta-panel > * { position:relative; z-index:2; }
.cta-panel h2 { font-size:clamp(1.5rem,3vw,2.2rem); font-weight:800; margin:0 0 12px; line-height:1.3; }
.cta-panel p { font-size:.97rem; color:rgba(255,255,255,.92); max-width:620px; margin:0 auto 24px; line-height:1.85; }
.cta-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.cta-actions .btn-light { background:#fff; color:#7C3AED; }
.cta-actions .btn-light:hover { transform:translateY(-3px); box-shadow:0 16px 30px rgba(0,0,0,.18); }
.cta-actions .btn-ghost { border:1px solid rgba(255,255,255,.75); color:#fff; background:transparent; }
.cta-actions .btn-ghost:hover { background:rgba(255,255,255,.14); }

.footer-style { background:#F8FAFC; border-top:1px solid #E2E8F0; padding:64px 0 28px; }
.site-footer { background:#0B101E; color:#B6C2D9; margin-top:20px; padding:64px 0 28px; }
.footer-grid { display:grid; grid-template-columns:1fr; gap:36px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.08); }
@media (min-width:640px) { .footer-grid { grid-template-columns:1.1fr 1fr 1fr 1fr; gap:28px; } }
.footer-brand .brand { margin-bottom:16px; }
.footer-desc { font-size:.9rem; line-height:1.8; color:#8A9AB3; margin:14px 0 16px; }
.footer-badges { display:flex; flex-wrap:wrap; gap:10px; }
.footer-badge { display:inline-flex; align-items:center; gap:7px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.10); padding:6px 12px; border-radius:999px; font-size:.78rem; color:#B6C2D9; }
.footer-title { color:#fff; font-size:1rem; font-weight:700; margin:0 0 16px; letter-spacing:.02em; }
.footer-links { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-links a { color:#8A9AB3; font-size:.88rem; transition:.2s; }
.footer-links a:hover { color:#fff; padding-left:4px; }
.footer-bottom { display:flex; flex-wrap:wrap; justify-content:space-between; gap:10px; padding-top:22px; font-size:.8rem; color:#66758D; }

.recommend-footer-link { display:flex; justify-content:center; align-items:center; gap:8px; }

@media (min-width:768px) {
  .header-search { flex:0 1 500px; order:0; margin-left:auto; }
  .header-tools { margin-left:initial; }
  .header-main { flex-wrap:nowrap; padding-top:12px; padding-bottom:6px; }
}
@media (min-width:1024px) {
  .header-main { gap:34px; }
  .menu-toggle { display:none !important; }
}
@media (max-width:1023.98px) {
  .header-main { gap:12px; }
  .header-tools { margin-left:auto; }
  .menu-toggle { display:inline-flex; }
  .nav-row { padding-bottom:12px; }
}
@media (max-width:767.98px) {
  .header-tools .btn span { display:none; }
  .brand-text small { display:block; max-width:170px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .header-search { order:2; }
  .header-tools { order:1; }
  .section-block { padding:48px 0; }
  .article-hero { padding:42px 0 110px; }
  .article-meta { gap:12px; }
  .cta-actions .btn { width:100%; }
  .breadcrumb { font-size:.76rem; }
}
@media (max-width:520px) {
  .brand { font-size:1rem; gap:9px; }
  .brand-dot { width:36px; height:36px; border-radius:12px; }
  .footer-grid { gap:28px; }
  .article-content-panel { padding:20px 18px; border-radius:22px; }
  .related-body { padding:18px 16px; }
}

/* roulang page: category2 */
:root {
    --elec-purple: #A855F7;
    --elec-cyan: #06B6D4;
    --elec-pink: #EC4899;
    --elec-orange: #FF7A00;
    --dark-bg: #0B101E;
    --body-bg: #F6F8F9;
    --card-bg: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #475569;
    --text-sub: #94A3B8;
    --ok-color: #059669;
    --error-color: #DC2626;
    --brand-grad: linear-gradient(120deg, #A855F7 0%, #EC4899 55%, #06B6D4 100%);
    --border-light: #E8EDF1;
    --radius-lg: 24px;
    --radius-md: 16px;
    --shadow-card: 0 12px 34px rgba(15, 23, 42, .06);
    --shadow-hover: 0 20px 40px rgba(15, 23, 42, .10);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--body-bg);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
  }

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

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

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

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

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

  .container {
    width: 100%;
    max-width: 1210px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
  }

  @media (min-width: 1024px) {
    .container {
      padding-left: 24px;
      padding-right: 24px;
    }
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    border: 1.5px solid transparent;
    min-height: 42px;
    padding: 10px 22px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: all .2s ease;
    white-space: nowrap;
  }

  .btn:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(168, 85, 247, .28);
    outline-offset: 3px;
  }

  .btn-primary {
    background: linear-gradient(120deg, #A855F7, #06B6D4);
    color: #fff;
    box-shadow: 0 10px 28px rgba(168, 85, 247, .28);
  }

  .btn-primary:hover {
    filter: brightness(1.08);
    box-shadow: 0 14px 34px rgba(168, 85, 247, .35);
    transform: translateY(-2px);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, .15);
  }

  .btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
  }

  .btn-outline:hover {
    border-color: #A855F7;
    color: #fff;
    background: rgba(168, 85, 247, .12);
  }

  .btn-orange {
    background: linear-gradient(120deg, #ff922e, #FF7A00);
    color: #fff;
    box-shadow: 0 10px 24px rgba(255, 122, 0, .25);
  }

  .btn-orange:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
  }

  .btn-sm {
    min-height: 36px;
    padding: 6px 16px;
    font-size: 14px;
  }

  .btn-lg {
    min-height: 52px;
    padding: 14px 34px;
    font-size: 17px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(11, 16, 30, .94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .header-main {
    display: grid;
    grid-template-columns: minmax(180px, auto) minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
  }

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

  .brand-dot {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #7c3aed, #06B6D4);
    box-shadow: 0 6px 18px rgba(124, 58, 237, .35);
    flex: 0 0 auto;
  }

  .brand-dot i {
    color: #fff;
    font-size: 18px;
  }

  .brand-text {
    font-size: 17px;
    line-height: 1.25;
    font-weight: 800;
    color: #fff;
    letter-spacing: .01em;
    white-space: nowrap;
  }

  .brand-text small {
    display: flex;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, .55);
    margin-top: 2px;
    letter-spacing: .08em;
  }

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

  .search-box {
    width: 100%;
    max-width: 520px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    padding: 4px 4px 4px 16px;
    min-height: 44px;
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
  }

  .search-box:focus-within {
    border-color: #A855F7;
    background: rgba(255, 255, 255, .1);
    box-shadow: 0 0 0 4px rgba(168, 85, 247, .18);
  }

  .search-box i.fa-magnifying-glass {
    color: #aeb8d0;
    font-size: 14px;
    margin-right: 10px;
  }

  .search-box input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 0;
    outline: none;
    color: #fff;
    font-size: 14px;
  }

  .search-box input::placeholder {
    color: #8a93ad;
  }

  .search-submit {
    border: 0;
    cursor: pointer;
    border-radius: 999px;
    background: var(--brand-grad);
    color: #fff;
    min-height: 34px;
    padding: 0 18px;
    font-size: 13px;
    font-weight: 600;
    transition: filter .2s;
  }

  .search-submit:hover {
    filter: brightness(1.1);
  }

  .header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
  }

  .header-cta {
    min-height: 38px;
    padding: 6px 18px;
    font-size: 14px;
  }

  .nav-toggle {
    display: none;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .04);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 17px;
  }

  .header-bottom {
    border-top: 1px solid rgba(255, 255, 255, .06);
  }

  .nav-row {
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 50px;
    overflow-x: auto;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 999px;
    transition: all .2s ease;
    white-space: nowrap;
  }

  .nav-link i {
    font-size: 13px;
    color: #93a2bd;
    transition: color .2s ease;
  }

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

  .nav-link:hover i {
    color: #c4b5fd;
  }

  .nav-link.active {
    color: #fff;
    background: linear-gradient(120deg, rgba(168, 85, 247, .22), rgba(6, 182, 212, .18));
    box-shadow: inset 0 0 0 1px rgba(168, 85, 247, .25);
  }

  .nav-link.active i {
    color: #67e8f9;
  }

  .cat-hero {
    position: relative;
    background-color: #0B101E;
    background-image: linear-gradient(115deg, rgba(11, 16, 30, .96), rgba(66, 28, 74, .88)), url('/assets/images/backpic/back-2.webp');
    background-position: center;
    background-size: cover;
    color: #fff;
    overflow: hidden;
    padding: 54px 0 44px;
  }

  .cat-hero:after {
    content: "";
    position: absolute;
    right: -120px;
    top: -140px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(168, 85, 247, .26), transparent 68%);
    pointer-events: none;
  }

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

  .hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
    margin-bottom: 18px;
  }

  .hero-breadcrumb a {
    transition: color .2s;
  }

  .hero-breadcrumb a:hover {
    color: #c4b5fd;
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #67e8f9;
    margin-bottom: 12px;
    letter-spacing: .05em;
  }

  .hero-eyebrow:before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 99px;
    background: var(--brand-grad);
  }

  .cat-hero h1 {
    font-weight: 900;
    font-size: clamp(2.2rem, 4.8vw, 3.4rem);
    line-height: 1.15;
    margin-bottom: 16px;
    max-width: 720px;
  }

  .hero-desc {
    max-width: 640px;
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .72);
    margin-bottom: 28px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    max-width: 760px;
  }

  @media (min-width: 640px) {
    .hero-stats {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .hero-stat {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 18px;
    padding: 14px 14px 12px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: border-color .2s, background .2s;
  }

  .hero-stat:hover {
    border-color: rgba(168, 85, 247, .55);
    background: rgba(255, 255, 255, .08);
  }

  .hero-stat-num {
    font-size: 30px;
    line-height: 1.2;
    font-weight: 800;
    color: transparent;
    background: linear-gradient(120deg, #fafafa, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    font-variant-numeric: tabular-nums;
  }

  .hero-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, .56);
    margin-top: 2px;
  }

  .content-section {
    padding: 64px 0;
  }

  .content-section.is-subtle {
    background: #ffffff;
  }

  @media (max-width: 768px) {
    .content-section {
      padding: 48px 0;
    }
  }

  .section-head {
    max-width: 860px;
    margin-bottom: 40px;
  }

  .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #A855F7;
    letter-spacing: .08em;
    margin-bottom: 10px;
  }

  .section-head h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.6rem);
    line-height: 1.25;
    font-weight: 800;
  }

  .section-head p {
    color: var(--text-muted);
    font-size: 15px;
    margin-top: 14px;
  }

  .activity-spot {
    display: grid;
    grid-template-columns: 1fr;
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
  }

  @media (min-width: 980px) {
    .activity-spot {
      grid-template-columns: 1.1fr .9fr;
    }
  }

  .spot-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  @media (min-width: 1024px) {
    .spot-content {
      padding: 44px;
    }
  }

  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(5, 150, 105, .1);
    color: #047857;
  }

  .status-pill.purple {
    background: rgba(168, 85, 247, .12);
    color: #7e3af2;
  }

  .spot-content h3 {
    font-size: 26px;
    font-weight: 800;
    margin: 16px 0 10px;
    line-height: 1.3;
  }

  .spot-content p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
    max-width: 560px;
  }

  .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0 20px;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    background: #F0F3F7;
    color: #496074;
  }

  .tag i {
    color: #22b8cf;
  }

  .media-box {
    position: relative;
    min-height: 240px;
    background: linear-gradient(140deg, #eef2ff, #f6f4ff);
    overflow: hidden;
  }

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

  .activity-spot:hover .media-box img {
    transform: scale(1.025);
  }

  .media-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 20%, rgba(15, 23, 42, .18));
    pointer-events: none;
  }

  .compact-grid {
    display: grid;
    grid-gap: 20px;
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) {
    .compact-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  .compact-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    display: flex;
    flex-direction: column;
  }

  .compact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(168, 85, 247, .28);
  }

  .compact-media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e7edf3;
  }

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

  .compact-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 16, 30, 0), rgba(11, 16, 30, .22));
  }

  .compact-body {
    padding: 22px 22px 24px;
    display: flex;
    flex: 1;
    flex-direction: column;
  }

  .compact-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 10px 0 8px;
  }

  .compact-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.75;
    flex: 1;
  }

  .card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 16px;
  }

  .card-foot .status-pill {
    padding: 3px 10px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #7c3aed;
    font-size: 14px;
    font-weight: 600;
    transition: gap .2s, color .2s;
  }

  .text-link:hover {
    gap: 10px;
    color: #c026d3;
  }

  .dark-panel {
    position: relative;
    border-radius: 32px;
    background: linear-gradient(135deg, #0B101E 0%, #101C31 60%, #172033 100%);
    padding: 42px 24px;
    overflow: hidden;
    color: #fff;
  }

  @media (min-width: 1024px) {
    .dark-panel {
      padding: 56px;
    }
  }

  .dark-panel:before {
    content: "";
    position: absolute;
    top: -60px;
    left: -50px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(168, 85, 247, .24), transparent 70%);
  }

  .dark-panel:after {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -100px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(6, 182, 212, .18), transparent 70%);
  }

  .dark-panel .container,
  .dark-panel-inner {
    position: relative;
    z-index: 2;
  }

  .reward-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 34px;
  }

  @media (min-width: 768px) {
    .reward-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  .reward-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 24px;
    padding: 22px;
    transition: all .25s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .reward-card:hover {
    background: rgba(255, 255, 255, .09);
    border-color: rgba(103, 232, 249, .3);
    transform: translateY(-3px);
  }

  .reward-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(168, 85, 247, .25), rgba(6, 182, 212, .22));
    border: 1px solid rgba(255, 255, 255, .14);
    color: #fff;
    font-size: 18px;
  }

  .reward-title {
    font-size: 18px;
    font-weight: 700;
  }

  .reward-card p {
    color: rgba(255, 255, 255, .62);
    font-size: 14px;
    line-height: 1.75;
  }

  .reward-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    padding-top: 8px;
  }

  .reward-meta .tag {
    background: rgba(255, 255, 255, .1);
    color: #dce7ff;
  }

  .reward-meta .tag i {
    color: #67e8f9;
  }

  .rule-section {
    background: #fff;
    border-radius: 30px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    padding: 32px 24px;
    display: grid;
    gap: 28px;
    grid-template-columns: 1fr;
  }

  @media (min-width: 1024px) {
    .rule-section {
      padding: 48px;
      grid-template-columns: 1.25fr .75fr;
    }
  }

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

  .rule-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: flex-start;
  }

  .rule-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, #f3e8ff, #e0f2fe);
    color: #7c3aed;
    font-weight: 800;
    font-size: 16px;
    flex: 0 0 auto;
    font-variant-numeric: tabular-nums;
  }

  .rule-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 3px;
  }

  .rule-item p {
    font-size: 14px;
    color: var(--text-muted);
  }

  .rule-notes {
    background: #F8FAFC;
    border-radius: 22px;
    padding: 28px;
    border: 1px dashed #d8e0ea;
  }

  .rule-notes h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 14px;
  }

  .rule-notes ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
  }

  .rule-notes ul li:before {
    content: "\f101";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    left: 0;
    top: 0;
    color: #c084fc;
    position: absolute;
    font-size: 12px;
  }

  .process-band {
    background: #F6F8F9;
    border: 1px solid var(--border-light);
    border-radius: 30px;
    padding: 32px 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
  }

  @media (min-width: 1024px) {
    .process-band {
      grid-template-columns: 1.1fr .9fr;
      padding: 44px 48px;
    }
  }

  .steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    counter-reset: step;
  }

  .step-item {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: flex-start;
  }

  .step-item + .step-item {
    margin-top: -4px;
  }

  .step-dot {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #A855F7, #06B6D4);
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
  }

  .step-item h3 {
    font-size: 16px;
    font-weight: 700;
  }

  .step-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  .mini-status {
    background: #0B101E;
    border-radius: 26px;
    padding: 28px;
    color: #fff;
  }

  .mini-status h3 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 16px;
  }

  .status-rows {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
  }

  .status-row {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .05);
    border-radius: 14px;
    padding: 10px 14px;
    font-size: 13px;
  }

  .status-row i.fa-check {
    color: #34d399;
    font-weight: 900;
  }

  .status-row i.fa-clock {
    color: #fbbf24;
  }

  .status-row span {
    color: rgba(255, 255, 255, .75);
  }

  .progress-track {
    background: rgba(255, 255, 255, .12);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
    margin: 10px 0 14px;
  }

  .progress-value {
    height: 100%;
    width: 48%;
    border-radius: 999px;
    background: linear-gradient(90deg, #FF7A00, #fbbf24);
  }

  .faq-section {
    max-width: 880px;
  }

  .faq-list {
    margin-top: 30px;
  }

  details.faq-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 18px;
    padding: 14px 22px;
    margin-bottom: 12px;
    transition: box-shadow .2s, border-color .2s;
  }

  details.faq-item[open] {
    border-color: rgba(168, 85, 247, .35);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .05);
  }

  details.faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.6;
  }

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

  details.faq-item summary .faq-arrow {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F2F5F8;
    color: #7c3aed;
    transition: transform .25s ease, background .25s;
  }

  details.faq-item[open] summary .faq-arrow {
    transform: rotate(180deg);
    background: #f5e9ff;
  }

  .faq-answer {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    padding: 10px 0 4px;
  }

  .cta-band {
    background: #0B101E;
    position: relative;
    padding: 64px 0 70px;
    color: #fff;
    overflow: hidden;
  }

  .cta-band:before {
    content: "";
    position: absolute;
    left: 50%;
    top: -160px;
    transform: translateX(-50%);
    width: 680px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(168, 85, 247, .24), transparent 70%);
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cta-inner h2 {
    font-size: clamp(1.5rem, 3vw, 2.3rem);
    font-weight: 800;
    line-height: 1.35;
    max-width: 680px;
  }

  .cta-inner p {
    color: rgba(255, 255, 255, .7);
    max-width: 580px;
    margin: 14px 0 26px;
  }

  .cta-btns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .site-footer {
    background: #080C17;
    color: rgba(255, 255, 255, .7);
    padding: 60px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 40px;
  }

  @media (min-width: 768px) {
    .footer-grid {
      grid-template-columns: 1.3fr 1fr 1fr 1fr;
      gap: 24px;
    }
  }

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

  .footer-desc {
    color: rgba(255, 255, 255, .5);
    font-size: 13px;
    line-height: 1.8;
    margin: 18px 0 14px;
    max-width: 360px;
  }

  .footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .footer-badge {
    font-size: 12px;
    border-radius: 999px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, .05);
    color: rgba(255, 255, 255, .72);
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .footer-links li {
    margin-bottom: 10px;
  }

  .footer-links a {
    color: rgba(255, 255, 255, .55);
    font-size: 13px;
    transition: all .2s ease;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, .38);
  }

  @media (max-width: 1024px) {
    .header-main {
      grid-template-columns: 1fr auto;
      gap: 10px;
    }

    .search-wrap {
      order: 3;
      grid-column: 1 / -1;
    }

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

  @media (max-width: 768px) {
    .header-main {
      padding: 10px 0 4px;
    }

    .header-actions .header-cta {
      display: none;
    }

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

    .header-bottom .nav-row {
      display: none;
      flex-direction: column;
      align-items: stretch;
      padding: 12px 0 16px;
      overflow: visible;
    }

    .header-bottom .nav-row.mobile-open {
      display: flex;
    }

    .nav-link {
      justify-content: flex-start;
      padding: 10px 14px;
    }

    .cat-hero {
      padding: 42px 0 38px;
    }

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

    .hero-desc {
      font-size: 14px;
    }

    .hero-stats {
      grid-template-columns: repeat(2, 1fr);
    }

    .spot-content {
      padding: 24px;
    }

    .spot-content h3 {
      font-size: 22px;
    }

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

    .dark-panel {
      border-radius: 22px;
      padding: 28px 18px;
    }

    .rule-section {
      padding: 24px 18px;
    }

    .process-band {
      padding: 26px 18px;
    }

    .mini-status {
      padding: 22px;
    }

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

  @media (max-width: 520px) {
    .brand-dot {
      width: 38px;
      height: 38px;
      border-radius: 12px;
    }

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

    .brand-text small {
      font-size: 10px;
    }

    .search-box input {
      font-size: 13px;
    }

    .search-submit {
      padding: 0 12px;
      font-size: 12px;
    }

    .hero-stats {
      gap: 10px;
    }

    .hero-stat-num {
      font-size: 25px;
    }

    .activity-spot {
      border-radius: 20px;
    }

    .spot-content {
      padding: 22px;
    }

    .compact-card {
      border-radius: 18px;
    }

    .compact-body {
      padding: 18px;
    }

    .reward-card {
      padding: 18px;
    }

    .step-item {
      grid-template-columns: 1fr;
    }

    .footer-grid {
      gap: 28px;
    }
  }

/* roulang page: category3 */
:root{
  --bg:#F6F8F9;
  --surface:#FFFFFF;
  --dark:#0B101E;
  --ink:#0F172A;
  --muted:#475569;
  --faint:#94A3B8;
  --line:#E2E8F0;
  --p1:#A855F7;
  --p2:#06B6D4;
  --pink:#EC4899;
  --accent:#FF7A00;
  --grad:linear-gradient(120deg,#A855F7,#06B6D4);
  --grad-soft:linear-gradient(135deg,rgba(168,85,247,.07),rgba(6,182,212,.07));
  --radius-lg:24px;
  --radius-md:16px;
  --shadow:0 18px 40px rgba(15,23,42,.08);
  --shadow-sm:0 8px 20px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1210px;margin:0 auto;padding-left:24px;padding-right:24px}
section{padding:84px 0}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.kicker{display:inline-flex;align-items:center;gap:7px;background:var(--grad-soft);border:1px solid rgba(168,85,247,.18);color:#6D28D9;font-size:13px;font-weight:700;letter-spacing:.1em;padding:6px 14px;border-radius:999px}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:linear-gradient(90deg,#A855F7,#06B6D4)}
.section-head h2{font-size:clamp(1.55rem,3vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin-top:14px}
.section-head p{color:var(--muted);font-size:16px;margin-top:12px}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,16,30,.97);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;gap:14px;min-height:72px;position:relative}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff}
.brand-dot{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,#A855F7,#EC4899 50%,#06B6D4);display:grid;place-items:center;font-size:17px;color:#fff;box-shadow:0 8px 22px rgba(168,85,247,.35)}
.brand-text{font-weight:800;font-size:18px;line-height:1.2;letter-spacing:-.01em}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#94A3B8;letter-spacing:.04em;margin-top:2px}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;gap:2px}
.nav-row{width:auto;max-width:100%}
.nav-link{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:999px;color:#CBD5E1;font-size:14px;font-weight:500;transition:all .25s ease;line-height:1.2;white-space:nowrap}
.nav-link i{font-size:13px;opacity:.9}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(168,85,247,.24)}
.header-search{flex:0 0 320px;position:relative}
.search-form{display:flex;align-items:center;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:0 8px 0 14px;transition:all .25s ease}
.search-form:focus-within{border-color:rgba(168,85,247,.8);background:rgba(255,255,255,.12);box-shadow:0 0 0 4px rgba(168,85,247,.18)}
.search-icon{color:#94A3B8;font-size:14px;margin-right:8px}
.search-form input{flex:1;background:transparent;border:0;outline:0;color:#F1F5F9;padding:10px 0;min-width:0;font-size:14px}
.search-form input::placeholder{color:#94A3B8}
.search-submit{width:34px;height:34px;border-radius:50%;background:linear-gradient(120deg,#A855F7,#06B6D4);border:0;color:#fff;font-size:12px;display:grid;place-items:center;cursor:pointer;transition:opacity .2s}
.search-submit:hover{opacity:.88}
.header-cta{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;background:linear-gradient(120deg,#FF7A00,#F59E0B);color:#fff;font-weight:700;font-size:14px;box-shadow:0 8px 20px rgba(255,122,0,.24);transition:transform .25s ease,box-shadow .25s ease}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,0,.3)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center;cursor:pointer;font-size:16px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border-radius:999px;padding:12px 24px;font-weight:700;font-size:15px;line-height:1.2;transition:all .25s ease;cursor:pointer;border:0;min-height:44px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(168,85,247,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 28px rgba(168,85,247,.34)}
.btn-accent{background:linear-gradient(120deg,#FF7A00,#F59E0B);color:#fff;box-shadow:0 10px 24px rgba(255,122,0,.24)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1.5px solid rgba(203,213,225,.6);color:#fff}
.btn-ghost:hover{border-color:#A855F7;color:#C4B5FD;transform:translateY(-2px)}
.btn-soft{background:#fff;border:1px solid #E2E8F0;color:#0F172A;box-shadow:var(--shadow-sm)}
.btn-soft:hover{box-shadow:var(--shadow);border-color:#A855F7;transform:translateY(-2px)}
.btn-block{width:100%}

/* hero */
.help-hero{position:relative;padding:88px 0 92px;background-color:var(--dark);color:#fff;background-size:cover;background-position:center;overflow:hidden}
.help-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,16,30,.96) 20%,rgba(11,16,30,.8) 56%,rgba(168,85,247,.22) 100%)}
.help-hero::after{content:"";position:absolute;left:12%;top:12%;width:420px;height:420px;background:radial-gradient(circle,rgba(168,85,247,.38),transparent 68%);filter:blur(10px);pointer-events:none}
.help-hero-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#94A3B8;margin-bottom:30px}
.breadcrumb a{color:#CBD5E1;display:inline-flex;align-items:center;gap:5px;transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:#475569}
.hero-pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(168,85,247,.4);color:#E9D5FF;font-size:13px;padding:6px 14px;border-radius:999px;font-weight:600;letter-spacing:.08em}
.help-hero h1{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:800;letter-spacing:-.02em;margin:18px 0 14px;line-height:1.16}
.help-hero h1 .grad-mask{background:linear-gradient(120deg,#C084FC,#22D3EE,#F472B6);-webkit-background-clip:text;background-clip:text;color:transparent}
.help-hero p{font-size:16px;color:#D1D5DB;max-width:660px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* quick cat */
.help-cats{padding-bottom:24px}
.cat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{position:relative;background:#fff;border:1px solid #E8EDF2;border-radius:20px;padding:24px 20px 20px;box-shadow:var(--shadow-sm);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;overflow:hidden}
.cat-card::after{content:"";position:absolute;right:-20px;top:-20px;width:90px;height:90px;background:radial-gradient(circle,rgba(168,85,247,.16),transparent 70%);pointer-events:none}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(168,85,247,.35);box-shadow:0 22px 44px rgba(15,23,42,.1)}
.cat-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.cat-no{font-size:30px;font-weight:800;letter-spacing:-.04em;background:linear-gradient(120deg,#A855F7,#06B6D4);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.cat-icon{width:44px;height:44px;border-radius:14px;background:var(--grad-soft);border:1px solid rgba(168,85,247,.18);color:#7C3AED;display:grid;place-items:center;font-size:17px}
.cat-card h3{font-size:17px;font-weight:800;margin:4px 0 8px}
.cat-card p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:14px}
.cat-card .cat-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#7C3AED;transition:gap .2s ease,color .2s}
.cat-card .cat-more i{font-size:12px}
.cat-card:hover .cat-more{gap:10px;color:#0EA5E9}

/* faq section */
.faq-section{background:#fff;border-radius:40px 40px 0 0}
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:52px;align-items:start}
.faq-side{position:sticky;top:104px;background:#fff;border:1px solid #E8EDF2;border-radius:22px;padding:22px;box-shadow:var(--shadow-sm)}
.faq-side h3{font-size:17px;font-weight:800;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px}
.faq-side ul li a{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:13px;color:#475569;font-size:14px;font-weight:600;transition:all .2s ease}
.faq-side ul li a i{color:#A855F7;font-size:13px;width:18px;text-align:center}
.faq-side ul li a:hover{background:var(--grad-soft);color:#6D28D9}
.faq-side .side-note{margin-top:18px;padding:16px;border:1px dashed #C4B5FD;border-radius:16px;background:#FAF5FF}
.faq-side .side-note strong{display:flex;align-items:center;gap:7px;font-size:14px;color:#6D28D9}
.faq-side .side-note p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.65}
.faq-group{margin-bottom:46px;scroll-margin-top:110px}
.faq-group-title{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;margin-bottom:20px}
.faq-group-title::before{content:"";width:6px;height:22px;border-radius:8px;background:linear-gradient(180deg,#A855F7,#06B6D4)}
.faq-item{background:#fff;border:1px solid #E8EDF2;border-radius:18px;padding:0 20px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:all .25s ease;overflow:hidden}
.faq-item:hover{border-color:rgba(168,85,247,.35)}
.faq-item[open]{border-color:rgba(168,85,247,.48);box-shadow:0 14px 30px rgba(168,85,247,.08)}
.faq-item summary{display:flex;align-items:center;gap:14px;justify-content:space-between;cursor:pointer;list-style:none;padding:17px 0;font-weight:700;color:#0F172A;font-size:15px;line-height:1.55}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:#A855F7;margin-left:auto;transition:transform .35s ease;flex:0 0 auto}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-answer{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .35s ease,opacity .3s ease}
.faq-item[open] .faq-answer{grid-template-rows:1fr;opacity:1}
.faq-answer-content{overflow:hidden;min-height:0}
.faq-answer-content p{color:var(--muted);font-size:14px;line-height:1.85;padding:0 0 18px;border-top:1px dashed #EEF1F5;padding-top:14px}

/* steps */
.steps-section{background:#fff;padding:72px 0}
.steps-panel{background:linear-gradient(125deg,#0B101E 0%,#171231 60%,#103247 100%);border-radius:32px;padding:52px;position:relative;overflow:hidden;color:#fff}
.steps-panel::before{content:"";position:absolute;right:-80px;bottom:-80px;width:300px;height:300px;background:radial-gradient(circle,rgba(6,182,212,.3),transparent 70%)}
.steps-panel::after{content:"";position:absolute;left:5%;top:-80px;width:220px;height:220px;background:radial-gradient(circle,rgba(168,85,247,.34),transparent 70%)}
.steps-panel .section-head{position:relative;z-index:2;margin-bottom:36px}
.steps-panel .section-head h2{color:#fff}
.steps-panel .section-head p{color:#CBD5E1}
.steps-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:24px;transition:all .3s ease}
.step-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.step-num{font-size:14px;font-weight:800;color:#67E8F9;letter-spacing:.04em;display:block;margin-bottom:10px;font-variant-numeric:tabular-nums}
.step-card h3{color:#fff;font-size:17px;font-weight:800;margin-bottom:8px}
.step-card p{color:#CBD5E1;font-size:14px;line-height:1.75;margin-bottom:0}
.step-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(120deg,#A855F7,#06B6D4);display:grid;place-items:center;font-size:18px;margin-bottom:14px;color:#fff;box-shadow:0 8px 20px rgba(168,85,247,.35)}

/* contact */
.contact-section{background:var(--bg);padding-bottom:80px}
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:28px;align-items:stretch}
.contact-info{background:linear-gradient(135deg,#0B101E,#201336 70%,#113547);border-radius:28px;color:#fff;padding:38px;position:relative;overflow:hidden}
.contact-info::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(168,85,247,.32),transparent 70%)}
.contact-info h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px;position:relative;z-index:1}
.contact-info p{color:#CBD5E1;font-size:14px;line-height:1.8;margin-bottom:22px;position:relative;z-index:1}
.contact-list{display:grid;gap:14px;position:relative;z-index:1;margin-bottom:26px}
.contact-list li{display:flex;gap:13px;align-items:flex-start;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:14px 16px}
.contact-list i{margin-top:4px;width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:linear-gradient(120deg,#A855F7,#06B6D4);display:grid;place-items:center;font-size:12px;color:#fff}
.contact-list strong{display:block;font-size:14px;color:#fff;margin-bottom:3px}
.contact-list small{color:#CBD5E1;font-size:13px;line-height:1.6;font-weight:400}
.contact-form-card{background:#fff;border:1px solid #E8EDF2;border-radius:28px;padding:36px;box-shadow:var(--shadow)}
.contact-form-card h3{font-size:22px;font-weight:800;margin-bottom:6px}
.contact-form-card .form-tip{color:var(--muted);font-size:14px;margin-bottom:24px}
.form-field{margin-bottom:17px}
.form-field label{display:block;font-size:13px;font-weight:700;color:#334155;margin-bottom:7px}
.form-field label span{color:red}
.form-input,.form-select{width:100%;background:#F8FAFC;border:1.5px solid #E2E8F0;border-radius:14px;padding:11px 14px;color:#0F172A;font-size:14px;outline:0;transition:all .2s ease;-webkit-appearance:none}
.form-input:focus,.form-select:focus{border-color:#A855F7;box-shadow:0 0 0 4px rgba(168,85,247,.12)}
.form-input::placeholder{color:#B7C2CF}
textarea.form-input{resize:vertical;min-height:120px;line-height:1.7}
.form-field.error .form-input{border-color:#DC2626;background:#FEF2F2}
.form-error{display:none;color:#DC2626;font-size:13px;margin-top:5px;align-items:center;gap:6px}
.form-error.show{display:flex}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-submit-note{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;color:#94A3B8;font-size:12px}
.form-status{display:none;text-align:center;padding:40px 16px;background:#F0FDF4;border:1.5px solid #BBF7D0;border-radius:20px;margin-top:22px}
.form-status i{font-size:38px;color:#059669;display:block;margin-bottom:10px}
.form-status strong{font-size:19px;color:#065F46}
.form-status p{color:#047857;font-size:14px;margin-top:8px}

/* bottom cta */
.cta-area{background:#fff;padding:74px 0 88px}
.cta-panel{background:linear-gradient(120deg,#0B101E,#291B45 58%,#0B2A39);border-radius:32px;padding:56px;position:relative;overflow:hidden;color:#fff;text-align:center}
.cta-panel::before{content:"";position:absolute;left:18%;top:-90px;width:330px;height:330px;background:radial-gradient(circle,rgba(168,85,247,.42),transparent 68%)}
.cta-panel::after{content:"";position:absolute;right:10%;bottom:-100px;width:300px;height:300px;background:radial-gradient(circle,rgba(6,182,212,.28),transparent 68%)}
.cta-panel .container{position:relative;z-index:2;padding:0}
.cta-panel h2{font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800;color:#fff;letter-spacing:-.02em;margin-bottom:12px}
.cta-panel p{color:#CBD5E1;max-width:620px;margin:0 auto 28px}
.cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--dark);color:#94A3B8;padding-top:70px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:40px;padding-bottom:46px}
.footer-brand .brand{margin-bottom:16px;position:relative}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand .brand-text small{color:#64748B;font-weight:400;margin-top:5px}
.footer-desc{font-size:14px;color:#94A3B8;line-height:1.85;margin-top:16px;margin-bottom:18px}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap}
.footer-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#CBD5E1;border-radius:999px;padding:5px 12px;font-size:12px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links li a{display:inline-flex;align-items:center;gap:7px;color:#94A3B8;font-size:14px;padding:4px 0;transition:all .2s ease}
.footer-links li a::before{content:"";width:5px;height:5px;border-radius:50%;background:linear-gradient(90deg,#A855F7,#06B6D4);opacity:.7}
.footer-links li a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:22px 0 26px;font-size:13px;color:#64748B;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;text-align:center}
.footer-bottom p{margin:0;line-height:1.7}

/* desktop responsive */
@media (max-width:1120px){
  .header-cta{display:none}
  .header-search{flex:0 0 260px}
  .nav-link{padding-left:11px;padding-right:11px;font-size:13px}
}
@media (max-width:960px){
  .header-inner{display:grid;grid-template-columns:1fr auto;gap:12px;padding-top:12px;padding-bottom:12px}
  .brand{grid-column:1;grid-row:1}
  .menu-toggle{display:flex;grid-column:2;grid-row:1}
  .header-search{grid-column:1/-1;grid-row:2;width:100%}
  .main-nav{grid-column:1/-1;grid-row:3;display:flex;justify-content:flex-start;overflow-x:auto;gap:4px;padding:2px 0 4px}
  .nav-link{white-space:nowrap}
  .search-form{max-width:100%}
  .cat-cards{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-side{position:static}
  .faq-side ul{display:flex;flex-wrap:wrap;gap:5px}
  .faq-side ul li a{margin:0;padding:8px 12px;background:#F8FAFC;border-radius:999px}
  .faq-side .side-note{display:none}
  .contact-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  section{padding:64px 0}
  .help-hero{padding:62px 0 68px}
  .main-nav{grid-column:1/-1;grid-row:auto;position:static;display:none}
  .main-nav.open{display:flex;flex-direction:column;align-items:stretch;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:12px}
  .nav-link{justify-content:flex-start}
  .header-search{grid-row:2}
  .brand-text{font-size:16px}
  .brand-text small{font-size:10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px 20px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{justify-content:center}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .help-hero h1{font-size:1.75rem}
  .cat-cards{grid-template-columns:1fr}
  .cat-card{padding:18px}
  .steps-panel,.contact-form-card,.cta-panel{padding:26px 20px;border-radius:22px}
  .contact-grid,.faq-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-actions .btn{width:100%}
  .brand-text small{display:none}
}