/* roulang page: index */
:root {
  --bg-deep: #070d1b;
  --bg-body: #0a1120;
  --bg-surface: #0d1526;
  --panel: #101a33;
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
  --glass-border: rgba(255, 255, 255, .14);
  --blue: #2E6BFF;
  --cyan: #29D8FF;
  --violet: #6C5CE7;
  --gold: #C9A14A;
  --text-main: #F2F6FF;
  --text-soft: rgba(235, 241, 255, .74);
  --text-mute: rgba(235, 241, 255, .5);
  --danger: #FF6B7A;
  --success: #18E0A8;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-glow: 0 0 24px rgba(0, 180, 255, .28);
  --shadow-blue: 0 8px 32px rgba(30, 80, 255, .18);
  --shadow-card: 0 8px 30px rgba(20, 60, 220, .15);
  --max-width: 1200px;
  --section-space: 100px;
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .16) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .25;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

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

img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.2px;
  margin: 0 0 .5em;
}

p {
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 600;
  padding: 12px 26px;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn:active {
  transform: scale(.98);
}

.btn-glow {
  background: linear-gradient(135deg, #1E5DFF, #12D0FF);
  color: #fff;
  box-shadow: 0 0 18px rgba(18, 190, 255, .28), inset 0 1px 0 rgba(255, 255, 255, .28);
  border-color: transparent;
}

.btn-glow:hover, .btn-glow:focus {
  color: #fff;
  background: linear-gradient(135deg, #2671FF, #2EDEFF);
  box-shadow: 0 4px 42px rgba(0, 210, 255, .38), inset 0 1px 0 rgba(255, 255, 255, .3);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .22);
  color: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-glass:hover, .btn-glass:focus {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 34px;
  font-size: 16px;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

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

.section-tight {
  padding: 54px 0;
}

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

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 12px rgba(41, 216, 255, .8);
  border-radius: 1px;
  display: inline-block;
}

.section-title {
  font-size: clamp(26px, 3.2vw, 34px);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-soft);
  max-width: 720px;
  font-size: 16px;
}

.section-desc.center {
  margin-left: auto;
  margin-right: auto;
}

.text-gradient {
  background: linear-gradient(135deg, #BFE4FF 10%, #29D8FF 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tech-card {
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .24);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent);
  opacity: .55;
  pointer-events: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 13, 25, .72);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.header-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  min-height: 74px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-right: 18px;
  flex: 0 0 auto;
}

.logo-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  position: relative;
  display: grid;
  place-items: center;
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: linear-gradient(135deg, rgba(30, 93, 255, .9), rgba(18, 208, 255, .9));
  transform: rotate(45deg);
  opacity: .9;
}

.logo-mark::after {
  width: 10px;
  height: 10px;
  background: #fff;
  box-shadow: 0 0 18px rgba(41, 216, 255, .9);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .5px;
  line-height: 1.1;
  white-space: nowrap;
}

.logo-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .24em;
  color: var(--text-soft);
}

.nav-wrap {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: 2px;
  -webkit-overflow-scrolling: touch;
}

.nav-link {
  position: relative;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(242, 246, 255, .76);
  border-radius: 999px;
  transition: background .3s ease, color .3s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, .05);
}

.nav-link.is-active {
  color: #fff;
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex: 0 0 auto;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  padding: 7px 13px;
  color: rgba(235, 241, 255, .8);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(24, 224, 168, .6);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(24, 224, 168, .6); }
  70% { box-shadow: 0 0 0 7px rgba(24, 224, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(24, 224, 168, 0); }
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 90px 0 84px;
  background-color: var(--bg-deep);
  background-size: cover;
  background-position: center 65%;
  background-repeat: no-repeat;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(5, 8, 18, .92) 0%, rgba(7, 13, 25, .72) 45%, rgba(7, 13, 25, .3) 100%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(41, 216, 255, .22), transparent);
  z-index: -1;
  border-radius: 50%;
}

.hero .container {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px 7px 11px;
  border: 1px solid rgba(41, 216, 255, .4);
  border-radius: 999px;
  background: rgba(41, 216, 255, .08);
  color: #CDF4FF;
  font-size: 13px;
  margin-bottom: 26px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-badge .status-dot {
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(41, 216, 255, .9);
}

.hero h1 {
  font-size: clamp(34px, 5.9vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  margin-bottom: 20px;
  max-width: 850px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.9;
  color: rgba(235, 241, 255, .76);
  max-width: 660px;
  margin-bottom: 34px;
}

.hero-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 38px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(235, 241, 255, .86);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero-meta-item svg,
.hero-meta-item .meta-ico {
  width: 16px;
  height: 16px;
  color: var(--cyan);
}

/* Metric strip */
.section-metrics {
  padding: 48px 0 56px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  background: rgba(10, 17, 32, .75);
}

.metric-card {
  padding: 24px 6px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  position: relative;
}

.metric-card .metric-label {
  color: var(--text-soft);
  font-size: 14px;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

.metric-card .metric-num {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #fff, #a6dcff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-card .metric-num small {
  font-size: 20px;
  -webkit-text-fill-color: rgba(255, 255, 255, .7);
}

/* Timeline */
.section-agenda {
  background: linear-gradient(180deg, rgba(10, 17, 32, 0) 0%, rgba(16, 26, 51, .55) 100%);
}

.agenda-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 76px 20px;
  padding-top: 14px;
}

.agenda-grid::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41, 216, 255, .62), rgba(46, 107, 255, .4), transparent);
}

.agenda-item {
  position: relative;
}

.agenda-time {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 15px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(7, 13, 27, .8);
  color: var(--cyan);
  white-space: nowrap;
}

.agenda-node {
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan);
  background: #0e1f36;
  border-radius: 3px;
  transform: rotate(45deg) translateX(2px);
  margin: 15px 0;
  box-shadow: 0 0 0 5px rgba(41, 216, 255, .08), 0 0 14px rgba(41, 216, 255, .7);
}

.agenda-body {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  position: relative;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.agenda-body:hover {
  transform: translateY(-5px);
  border-color: rgba(41, 216, 255, .4);
  box-shadow: var(--shadow-blue);
}

.agenda-body .agenda-step {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -2px;
  color: rgba(255, 255, 255, .09);
  line-height: 1;
}

.agenda-body h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.agenda-body p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0;
}

/* Spotlight */
.spotlight-wrap {
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.spotlight-media {
  min-height: 280px;
  position: relative;
}

.spotlight-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

.spotlight-media .media-note {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 70px 24px 20px;
  background: linear-gradient(180deg, transparent, rgba(7, 10, 22, .94));
}

.spotlight-media .media-note span {
  font-size: 13px;
  color: var(--cyan);
  border-left: 3px solid var(--cyan);
  padding-left: 12px;
  letter-spacing: .04em;
}

.spotlight-list-wrap {
  padding: 42px 40px 34px;
}

.spotlight-list-title {
  font-size: 14px;
  letter-spacing: .14em;
  color: var(--text-soft);
}

.spotlight-list-title strong {
  color: #fff;
  font-size: 18px;
  letter-spacing: normal;
}

.spot-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .25s ease, padding-left .25s ease;
  border-radius: 8px;
}

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

.spot-item:hover {
  background: rgba(255, 255, 255, .045);
  padding-left: 10px;
}

.spot-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(46, 107, 255, .2);
  border: 1px solid rgba(41, 216, 255, .28);
  color: var(--cyan);
  font-weight: 800;
  font-size: 15px;
}

.spot-content {
  flex: 1;
}

.spot-content h4 {
  font-size: 17px;
  margin-bottom: 7px;
}

.spot-content p {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0;
}

.spot-item .spot-pill {
  flex: none;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  color: var(--text-soft);
  padding: 4px 11px;
  font-size: 12px;
  align-self: center;
}

/* Tiers section */
.section-tiers {
  background: linear-gradient(180deg, #0b1226 0%, #0d1b36 100%);
  overflow: hidden;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.tier-card {
  padding: 34px 30px 32px;
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, .13);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  transition: transform .3s ease, border-color .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}

.tier-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, .24);
  box-shadow: var(--shadow-blue);
}

.tier-card.tier-feature {
  transform: translateY(-14px);
  border: 1px solid rgba(41, 216, 255, .5);
  background: linear-gradient(145deg, rgba(46, 107, 255, .1), rgba(41, 216, 255, .04));
  box-shadow: 0 0 0 1px rgba(41, 216, 255, .2), 0 22px 60px rgba(0, 120, 255, .2);
}

.tier-card.tier-feature:hover {
  transform: translateY(-18px);
  box-shadow: 0 0 22px rgba(41, 216, 255, .2), 0 24px 64px rgba(0, 120, 255, .26);
}

.tier-badge {
  position: absolute;
  top: 14px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201, 161, 74, .12);
  border: 1px solid rgba(201, 161, 74, .45);
  color: #e5c57f;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.tier-card h3 {
  font-size: 18px;
  color: var(--text-soft);
  margin-bottom: 19px;
  font-weight: 600;
}

.tier-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 22px;
}

.tier-price .num {
  font-size: 42px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: #fff;
}

.tier-price .unit {
  font-size: 18px;
  color: var(--text-soft);
  font-weight: 600;
}

.tier-price small {
  margin-left: auto;
  color: var(--text-mute);
  font-size: 13px;
}

.tier-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex: 1;
}

.tier-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-soft);
  font-size: 14px;
  padding: 8px 0;
  line-height: 1.6;
}

.tier-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  margin-top: 10px;
  box-shadow: 0 0 8px rgba(41, 216, 255, .7);
}

.tier-card .btn {
  width: 100%;
}

.tier-note {
  margin-top: 32px;
  color: var(--text-mute);
  font-size: 13px;
  text-align: center;
}

/* Join area */
.section-join {
  background: rgba(13, 19, 40, .3);
  border-top: 1px solid rgba(255, 255, 255, .04);
  border-bottom: 1px solid rgba(255, 255, 255, .04);
  position: relative;
}

.join-panel {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  background: linear-gradient(120deg, rgba(13, 21, 48, .98), rgba(8, 15, 32, .88));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .34);
}

.join-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 35%;
  height: 100%;
  background: url('/assets/images/backpic/back-2.webp') center right / cover no-repeat;
  opacity: .3;
  pointer-events: none;
}

.join-left {
  padding: 46px 24px 46px 46px;
}

.join-left h2 {
  font-size: 29px;
}

.join-left p {
  color: var(--text-soft);
  font-size: 15px;
}

.join-points {
  padding: 0;
  list-style: none;
  margin: 26px 0 0;
}

.join-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  color: rgba(235, 241, 255, .78);
  font-size: 14px;
}

.join-points li::before {
  content: "✓";
  color: var(--success);
  font-weight: 800;
  line-height: 1.4;
}

.join-form-wrap {
  padding: 46px 50px 46px 34px;
}

.join-form .form-label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(242, 246, 255, .82);
  margin-bottom: 8px;
}

.join-form .form-control,
.join-form .form-select {
  background-color: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .13);
  color: #fff;
  border-radius: var(--radius-md);
  min-height: 48px;
  font-family: var(--font);
  padding-left: 15px;
  padding-right: 15px;
  transition: border-color .3s, box-shadow .3s;
}

.join-form .form-control::placeholder,
.join-form textarea::placeholder {
  color: rgba(255, 255, 255, .34);
}

.join-form .form-control:focus,
.join-form .form-select:focus,
.join-form textarea:focus {
  background: rgba(255, 255, 255, .06);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(41, 216, 255, .14);
  color: #fff;
}

.join-form textarea {
  min-height: 90px;
  resize: vertical;
}

.form-check-custom {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-mute);
  font-size: 13px;
}

.form-check-custom input[type="checkbox"] {
  appearance: none;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 5px;
  background: rgba(255, 255, 255, .04);
  margin-top: 4px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .2s, border .2s;
}

.form-check-custom input[type="checkbox"]:checked {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-color: transparent;
}

.form-check-custom input[type="checkbox"]:checked::after {
  content: "✓";
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.form-feedback {
  margin-top: 6px;
  color: var(--danger);
  font-size: 13px;
  min-height: 20px;
}

.form-submit-message {
  font-size: 14px;
  color: var(--success);
  background: rgba(24, 224, 168, .1);
  border: 1px solid rgba(24, 224, 168, .3);
  padding: 10px 14px;
  border-radius: 8px;
  margin-top: 14px;
}

/* Channel cards */
.channel-card {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 280px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: #0d1428;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.channel-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 42px rgba(20, 60, 220, .2);
  border-color: rgba(41, 216, 255, .48);
}

.channel-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
  transition: opacity .4s, transform .6s;
}

.channel-card:hover img {
  opacity: .68;
  transform: scale(1.05);
}

.channel-card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  background: linear-gradient(180deg, rgba(8, 12, 25, 0) 20%, rgba(8, 12, 25, .86) 88%);
}

.channel-card-body .channel-icon {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .34);
  background: rgba(255, 255, 255, .08);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.channel-card-body h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.channel-card-body p {
  font-size: 14px;
  color: rgba(242, 246, 255, .75);
  margin-bottom: 12px;
}

.channel-link {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
}

.channel-link:hover {
  text-decoration: underline;
}

/* News */
.section-news {
  background: rgba(8, 13, 26, .7);
  position: relative;
}

.news-empty-state {
  border: 1px dashed rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .03);
  border-radius: var(--radius-lg);
  padding: 64px 20px;
  text-align: center;
  color: var(--text-soft);
  font-size: 15px;
}

.news-card {
  display: block;
  padding: 26px;
  height: 100%;
  color: var(--text-main);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.news-card:hover {
  color: var(--text-main);
  transform: translateY(-5px);
  border-color: rgba(41, 216, 255, .4);
  box-shadow: 0 12px 34px rgba(10, 50, 150, .18);
}

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

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--cyan);
  background: rgba(41, 216, 255, .08);
  border: 1px solid rgba(41, 216, 255, .24);
  border-radius: 999px;
  white-space: nowrap;
}

.pill-muted {
  color: var(--text-soft);
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .1);
}

.news-card time {
  color: var(--text-mute);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.news-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color .25s;
}

.news-card:hover h3 {
  color: var(--cyan);
}

.news-card .news-summary {
  color: var(--text-soft);
  font-size: 14px;
  margin-bottom: 17px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

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

.news-card:hover .news-more {
  color: var(--cyan);
}

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

.faq-item {
  margin-bottom: 14px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: border-color .3s;
}

.faq-item.is-open {
  border-color: rgba(41, 216, 255, .36);
}

.faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--text-main);
  padding: 20px 58px 20px 24px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 13px;
  position: relative;
  font-family: var(--font);
}

.faq-q::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(41, 216, 255, .6);
  flex: 0 0 auto;
}

.faq-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  width: 22px;
  height: 22px;
  transform: translateY(-50%);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-soft);
  border-radius: 2px;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  left: 4px;
  top: 10px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  left: 10px;
  top: 4px;
  transition: transform .3s;
}

.faq-item.is-open .faq-icon::after {
  transform: scaleY(0);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}

.faq-inner {
  padding: 0 24px 20px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.85;
  border-top: 1px solid rgba(255, 255, 255, .05);
}

.faq-inner p {
  margin: 14px 0 0;
}

/* CTA band */
.cta-band {
  padding: 58px 0;
  background: linear-gradient(100deg, rgba(28, 55, 120, .7), rgba(15, 30, 65, .8));
  border-top: 1px solid rgba(255, 255, 255, .06);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.cta-band h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.cta-band p {
  color: var(--text-soft);
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  background: #050a15;
  color: rgba(235, 241, 255, .66);
  padding-top: 76px;
  margin-top: 0;
}

.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41, 216, 255, .3), transparent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr .8fr;
  gap: 46px;
  padding-bottom: 48px;
}

.footer-brand .site-logo {
  display: inline-flex;
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  margin-bottom: 18px;
  color: rgba(235, 241, 255, .58);
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials span {
  display: inline-block;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .03);
  color: rgba(255, 255, 255, .7);
  font-size: 16px;
  transition: background .3s, border-color .3s, color .3s;
}

.footer-socials span:hover {
  background: rgba(41, 216, 255, .1);
  border-color: rgba(41, 216, 255, .6);
  color: var(--cyan);
}

.footer-col h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: #e8efff;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: rgba(235, 241, 255, .58);
  font-size: 14px;
  line-height: 2.1;
  transition: color .25s ease, padding-left .25s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 22px 0 28px;
  font-size: 13px;
  color: rgba(235, 241, 255, .5);
}

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

/* utility */
.center-block {
  text-align: center;
}

.mt-60 {
  margin-top: 60px;
}

/* Mobile */
@media (max-width: 1199.98px) {
  .nav-link {
    padding: 9px 11px;
  }
  .agenda-grid {
    gap: 60px 14px;
  }
}

@media (max-width: 991.98px) {
  :root {
    --section-space: 78px;
  }

  .header-inner {
    min-height: 66px;
  }

  .header-state {
    display: none;
  }

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

  .tier-card.tier-feature {
    transform: none;
    grid-column: 1 / -1;
    order: -1;
  }

  .tier-card.tier-feature:hover {
    transform: translateY(-4px);
  }

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

  .agenda-grid::before {
    display: none;
  }

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

  .join-panel::before {
    opacity: .16;
  }
}

@media (max-width: 767.98px) {
  .section {
    --section-space: 62px;
  }

  .header-inner {
    min-height: 0;
    align-items: center;
    padding-bottom: 10px;
  }

  .site-logo {
    margin-right: 0;
  }

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

  .logo-mark {
    width: 30px;
    height: 30px;
  }

  .logo-mark::before {
    width: 17px;
    height: 17px;
  }

  .logo-mark::after {
    width: 8px;
    height: 8px;
  }

  .nav-wrap {
    order: 3;
    flex-basis: 100%;
    width: 100%;
    margin-top: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    padding-bottom: 6px;
  }

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

  .nav-link {
    white-space: nowrap;
    padding: 7px 13px;
    font-size: 14px;
    border: 1px solid transparent;
  }

  .nav-link.is-active {
    background: rgba(41, 216, 255, .12);
    border-color: rgba(41, 216, 255, .2);
  }

  .header-cta {
    padding: 8px 16px;
    font-size: 14px;
  }

  .hero {
    min-height: 0;
    padding: 42px 0 52px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.2;
    letter-spacing: -.5px;
    margin-bottom: 16px;
  }

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

  .hero-meta-item {
    font-size: 12px;
    padding: 7px 11px;
  }

  .metric-card {
    padding-top: 16px;
  }

  .metric-card .metric-num {
    font-size: 28px;
  }

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

  .spotlight-list-wrap {
    padding: 28px 20px 18px;
  }

  .spot-item .spot-pill {
    display: none;
  }

  .join-left {
    padding: 32px 24px 10px;
  }

  .join-form-wrap {
    padding: 16px 24px 34px;
  }

  .footer-inner {
    gap: 34px 18px;
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom .container {
    flex-direction: column;
    justify-content: flex-start;
  }

  .btn-lg {
    padding: 14px 24px;
  }
}

@media (max-width: 575.98px) {
  .header-inner {
    justify-content: space-between;
  }

  .site-logo .logo-sub {
    display: none;
  }

  .header-cta {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-badge {
    font-size: 12px;
  }

  .hero-cta .btn {
    width: 100%;
    margin-right: 0 !important;
    margin-bottom: 4px;
  }

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

  .tier-card.tier-feature {
    grid-column: auto;
  }

  .footer-inner {
    display: block;
  }

  .footer-col {
    margin-bottom: 32px;
  }

  .join-form-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* roulang page: category1 */
:root {
  --bg: #070d1b;
  --bg-2: #0b1226;
  --panel: #101a33;
  --cyan: #29d8ff;
  --blue: #2e6bff;
  --violet: #6c5ce7;
  --gold: #c9a14a;
  --text: #f2f6ff;
  --muted: rgba(255, 255, 255, 0.72);
  --weak: rgba(255, 255, 255, 0.52);
  --border: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.2);
  --glass: rgba(255, 255, 255, 0.04);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(41, 216, 255, 0.045), transparent 420px),
    radial-gradient(circle at 85% 30%, rgba(108, 92, 231, 0.05), transparent 460px),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 22px 22px;
  z-index: 0;
  pointer-events: none;
}

body > * {
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
  color: #fff;
  letter-spacing: -0.02em;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--cyan);
}

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

.container {
  max-width: 1200px;
}

.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  transition: all 0.25s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-glow {
  background: linear-gradient(135deg, #1e5dff, #12d0ff);
  border: 0;
  box-shadow: 0 0 14px rgba(0, 180, 255, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  color: #fff;
}

.btn-glow:hover,
.btn-glow:focus {
  color: #fff;
  background: linear-gradient(135deg, #1b52ea, #0fc7f5);
  box-shadow: 0 4px 36px rgba(0, 210, 255, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--text);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-ghost:hover,
.btn-ghost:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 3px rgba(41, 216, 255, 0.08);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 9px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 13, 27, 0.72);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(5, 9, 18, 0.94);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  flex-shrink: 0;
}

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

.logo-mark {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 16px rgba(41, 216, 255, 0.3);
}

.logo-mark::before,
.logo-mark::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 3px;
}

.logo-mark::before {
  left: 4px;
  top: 4px;
  transform: rotate(45deg);
}

.logo-mark::after {
  right: 3px;
  bottom: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 0;
}

.logo-text {
  font-size: 18px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

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

.nav-link {
  position: relative;
  display: inline-block;
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  border-radius: 999px;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 1px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(41, 216, 255, 0.8);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #18e0a8;
  box-shadow: 0 0 0 4px rgba(24, 224, 168, 0.15);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(24, 224, 168, 0.1); }
  50% { box-shadow: 0 0 0 7px rgba(24, 224, 168, 0.22); }
}

.page-hero {
  position: relative;
  padding: 118px 0 108px;
  background:
    linear-gradient(180deg, rgba(7, 13, 27, 0.72) 0%, rgba(7, 13, 27, 0.88) 65%, var(--bg) 100%),
    url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -140px;
  top: 0;
  background: radial-gradient(circle, rgba(41, 216, 255, 0.13), transparent 60%);
  pointer-events: none;
}

.page-hero .breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--weak);
  margin-bottom: 22px;
}

.page-hero .breadcrumbs a {
  color: rgba(255, 255, 255, 0.56);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(41, 216, 255, 0.45);
  color: var(--cyan);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  background: rgba(41, 216, 255, 0.07);
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}

.hero-badge i {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--cyan);
}

.page-hero h1 {
  max-width: 820px;
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  text-shadow: 0 0 28px rgba(41, 216, 255, 0.22);
}

.page-hero .hero-lead {
  max-width: 780px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
  margin-bottom: 32px;
}

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

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--weak);
  font-size: 13px;
}

.section {
  padding: 96px 0;
}

.section-dark {
  background: rgba(255, 255, 255, 0.016);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-head {
  max-width: 820px;
  margin-bottom: 58px;
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  border-radius: 2px;
}

.section-head.center .eyebrow::after {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.4;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 0;
}

.focus-card {
  position: relative;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  padding: 30px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.focus-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41, 216, 255, 0.5), transparent);
  opacity: 0.8;
}

.focus-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 16px 36px rgba(12, 22, 52, 0.35);
}

.focus-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 12px;
  background: rgba(41, 216, 255, 0.08);
  border: 1px solid rgba(41, 216, 255, 0.25);
  color: var(--cyan);
  font-size: 22px;
  font-weight: 800;
}

.focus-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.focus-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 0;
}

.focus-tag {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 3px 10px;
  border-radius: 999px;
}

.step-section {
  position: relative;
  background:
    linear-gradient(180deg, var(--bg), rgba(11, 18, 38, 0.8)),
    url("/assets/images/backpic/back-1.webp") center 30% / cover no-repeat;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.step-card {
  position: relative;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 34px 26px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(41, 216, 255, 0.3);
}

.step-card .step-no {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.step-no span:first-child {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.step-line {
  width: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.step-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
  line-height: 1.85;
}

.split-section .glass-panel {
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(16, 26, 51, 0.7);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.panel-media {
  position: relative;
  height: 100%;
  min-height: 320px;
  overflow: hidden;
}

.panel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.glass-panel:hover .panel-media img {
  transform: scale(1.02);
}

.panel-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(7, 13, 27, 0.5) 100%);
  pointer-events: none;
}

.panel-label {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  color: #fff;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(7, 13, 27, 0.45);
  border-radius: 999px;
  padding: 6px 14px;
  backdrop-filter: blur(10px);
}

.panel-body {
  padding: 36px 38px;
}

.panel-body h2 {
  font-size: 26px;
  line-height: 1.45;
  margin-bottom: 16px;
}

.panel-body > p {
  color: var(--muted);
  margin-bottom: 28px;
}

.point-list {
  display: grid;
  gap: 18px;
}

.point-item {
  display: flex;
  gap: 16px;
  padding: 18px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 13px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.point-item:hover {
  border-color: rgba(41, 216, 255, 0.28);
  background: rgba(255, 255, 255, 0.05);
}

.point-dot {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(41, 216, 255, 0.2), rgba(108, 92, 231, 0.2));
  border: 1px solid rgba(41, 216, 255, 0.3);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  margin-top: 2px;
}

.point-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 3px;
}

.point-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.single-cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--weak);
}

.signup-section {
  position: relative;
  padding: 110px 0;
  overflow: hidden;
}

.signup-section::before {
  content: "";
  position: absolute;
  left: 55%;
  top: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(41, 216, 255, 0.1), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.signup-wrap {
  position: relative;
  z-index: 1;
  background:
    linear-gradient(145deg, rgba(16, 26, 51, 0.86), rgba(9, 16, 32, 0.95)),
    url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 58px 56px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.signup-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 110px;
  height: 110px;
  background: radial-gradient(circle, rgba(41, 216, 255, 0.2), transparent 70%);
  pointer-events: none;
}

.signup-copy h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.45;
  margin-bottom: 18px;
}

.signup-copy p {
  color: var(--muted);
  font-size: 16px;
  max-width: 460px;
}

.signup-copy .field-icon {
  color: var(--cyan);
}

.lead-form .form-label {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
}

.form-control,
.form-select {
  background-color: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 13px 16px;
  font-size: 15px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-control:focus,
.form-select:focus {
  background-color: rgba(255, 255, 255, 0.07);
  border-color: rgba(41, 216, 255, 0.7);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(41, 216, 255, 0.12);
  outline: none;
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='rgba(255,255,255,.55)'%3E%3Cpath d='M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z'/%3E%3C/svg%3E");
  background-size: 18px;
  color-scheme: dark;
}

.ok-message {
  display: none;
  margin-top: 18px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(24, 224, 168, 0.1);
  border: 1px solid rgba(24, 224, 168, 0.28);
  color: #8ef4d8;
  font-size: 14px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0 24px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(41, 216, 255, 0.24);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

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

.faq-item summary::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: rgba(41, 216, 255, 0.1);
  color: var(--cyan);
  font-size: 20px;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  color: var(--muted);
  font-size: 15px;
  padding: 0 0 22px;
  max-width: 900px;
}

.cta-end-panel {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
}

.cta-end-panel p {
  color: var(--muted);
  max-width: 760px;
  margin: 0 auto 12px;
}

.site-footer {
  margin-top: 30px;
  background:
    linear-gradient(180deg, var(--bg) 0%, #050810 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 72px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
  gap: 44px;
  padding-bottom: 52px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  margin: 18px 0 20px;
  max-width: 360px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  cursor: default;
  transition: all 0.2s ease;
}

.footer-socials span:hover {
  border-color: rgba(41, 216, 255, 0.5);
  color: var(--cyan);
  box-shadow: 0 0 12px rgba(41, 216, 255, 0.14);
}

.footer-col h4 {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col a,
.footer-col span {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  margin-bottom: 11px;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--cyan);
  transform: translateX(2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.34);
  font-size: 13px;
}

@media (max-width: 991.98px) {
  .header-inner {
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .nav-wrap {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .header-actions {
    margin-left: auto;
  }

  .section {
    padding: 72px 0;
  }

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

  .signup-wrap {
    padding: 44px 32px;
  }
}

@media (max-width: 767.98px) {
  .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .header-state {
    font-size: 12px;
    padding: 5px 9px;
  }

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

  .page-hero {
    padding: 82px 0 72px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .section {
    padding: 60px 0;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .panel-media {
    min-height: 240px;
  }

  .panel-body {
    padding: 26px 22px;
  }

  .focus-card {
    padding: 24px 20px;
  }

  .signup-wrap {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .signup-copy p {
    font-size: 15px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 34px;
  }

  .footer-bottom {
    flex-direction: column;
    padding: 20px 0;
  }

  .hero-actions {
    width: 100%;
  }

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

  .cta-end-panel {
    padding: 32px 20px;
  }
}

@media (max-width: 420px) {
  .header-state {
    display: none;
  }
}

/* roulang page: article */
:root{
    --site-bg:#070D1B;
    --site-bg2:#0B1226;
    --panel:#101A33;
    --glass-bg:rgba(255,255,255,.035);
    --glass-border:rgba(255,255,255,.10);
    --blue:#2E6BFF;
    --cyan:#29D8FF;
    --purple:#6C5CE7;
    --gold:#C9A14A;
    --text:#F2F6FF;
    --text-2:rgba(255,255,255,.72);
    --text-3:rgba(255,255,255,.5);
    --link-color:#29D8FF;
    --radius:16px;
    --radius-lg:24px;
    --shadow:0 8px 30px rgba(20,60,220,.14);
    --glow:0 0 16px rgba(0,180,255,.28);
    --header-h:72px;
    --font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    background:var(--site-bg);
    color:var(--text);
    font-family:var(--font-family);
    font-size:16px;
    line-height:1.75;
    min-height:100vh;
    display:flex;
    flex-direction:column;
    -webkit-font-smoothing:antialiased;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background-image:radial-gradient(rgba(255,255,255,.025) 1px,transparent 1px);
    background-size:24px 24px;
    z-index:0;
}
a{text-decoration:none;color:inherit;transition:color .25s ease,border-color .25s ease,background .25s ease;}
img{max-width:100%;height:auto;border:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin-left:auto;margin-right:auto;}
@media(min-width:1320px){
    .container{max-width:1320px;}
}
::selection{background:rgba(41,216,255,.28);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--cyan);
    outline-offset:3px;
    box-shadow:0 0 0 6px rgba(41,216,255,.14);
    border-radius:6px;
}

/* ===== Header ===== */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(7,13,27,.72);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
    background:rgba(5,9,18,.92);
    box-shadow:0 6px 24px rgba(0,0,0,.36);
}
.header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    min-height:var(--header-h);
}
.site-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    white-space:nowrap;
}
.logo-mark{
    width:34px;
    height:34px;
    border-radius:10px;
    position:relative;
    background:linear-gradient(135deg,rgba(46,107,255,.25),rgba(41,216,255,.14));
    border:1px solid rgba(41,216,255,.36);
    flex:0 0 auto;
}
.logo-mark::before{
    content:"";
    position:absolute;
    inset:9px;
    border-radius:5px;
    background:linear-gradient(135deg,#2E6BFF,#29D8FF);
    box-shadow:0 0 14px rgba(41,216,255,.52);
}
.logo-mark::after{
    content:"";
    position:absolute;
    inset:0;
    clip-path:polygon(100% 0,100% 24%,24% 100%,0 100%,0 76%,76% 0);
    border-radius:10px;
    opacity:.45;
    background:linear-gradient(135deg,rgba(255,255,255,.4),transparent 60%);
}
.logo-text{
    font-size:20px;
    font-weight:750;
    letter-spacing:.5px;
    color:#fff;
    line-height:1.2;
}
.nav-wrap{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:6px;
}
.nav-link{
    position:relative;
    display:inline-block;
    padding:9px 16px;
    border-radius:8px;
    color:var(--text-2);
    font-size:15px;
    font-weight:500;
    transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:-15px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,#2E6BFF,#29D8FF);
    box-shadow:0 0 10px rgba(41,216,255,.7);
}
.header-actions{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
}
.header-state{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-2);
    border:1px solid rgba(255,255,255,.16);
    border-radius:999px;
    padding:5px 12px;
    background:rgba(255,255,255,.03);
    white-space:nowrap;
}
.status-dot{
    width:7px;
    height:7px;
    display:inline-block;
    border-radius:50%;
    background:#18E0A8;
    box-shadow:0 0 0 0 rgba(24,224,168,.45);
    animation:statusPulse 2.2s infinite;
}
@keyframes statusPulse{
    0%{box-shadow:0 0 0 0 rgba(24,224,168,.5);}
    70%{box-shadow:0 0 0 7px rgba(24,224,168,0);}
    100%{box-shadow:0 0 0 0 rgba(24,224,168,0);}
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    line-height:1;
    padding:13px 24px;
    border:1px solid transparent;
    transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
    cursor:pointer;
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:scale(.98);}
.btn-glow{
    background:linear-gradient(135deg,#1E5DFF,#12D0FF);
    color:#fff;
    border:none;
    box-shadow:0 0 16px rgba(0,180,255,.28),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-glow:hover{
    color:#fff;
    box-shadow:0 4px 40px rgba(0,210,255,.42),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-ghost{
    background:rgba(255,255,255,.04);
    color:#fff;
    border:1px solid rgba(255,255,255,.22);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
}
.btn-ghost:hover{
    background:rgba(255,255,255,.1);
    border-color:rgba(255,255,255,.4);
    color:#fff;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.header-cta{min-width:104px;justify-content:center;}

/* ===== Article main ===== */
.article-page{
    position:relative;
    z-index:1;
    flex:1;
    padding:42px 0 90px;
    background:
        radial-gradient(600px 320px at 18% 6%,rgba(108,92,231,.08),transparent 65%),
        radial-gradient(500px 280px at 88% 12%,rgba(41,216,255,.05),transparent 60%),
        var(--site-bg);
}
.crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--text-3);
    margin-bottom:24px;
}
.crumbs a{
    color:var(--text-2);
    transition:color .25s ease;
}
.crumbs a:hover{color:var(--cyan);}
.crumbs .crumb-split{opacity:.35;}
.crumbs .crumb-current{
    color:var(--text-2);
    max-width:260px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    font-style:normal;
}

.read-shell{
    max-width:920px;
    margin:0 auto;
    background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
    border:1px solid var(--glass-border);
    border-radius:var(--radius-lg);
    -webkit-backdrop-filter:blur(16px) saturate(130%);
    backdrop-filter:blur(16px) saturate(130%);
    box-shadow:0 24px 80px rgba(0,0,0,.28);
    position:relative;
    overflow:hidden;
    padding:clamp(28px,6vw,64px);
}
.read-shell::before{
    content:"";
    position:absolute;
    inset:0 0 auto 0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(41,216,255,.5),transparent);
}
.read-shell::after{
    content:"";
    position:absolute;
    top:-120px;
    right:-120px;
    width:240px;
    height:240px;
    background:radial-gradient(circle,rgba(41,216,255,.09),transparent 70%);
    pointer-events:none;
}
.detail-head{
    max-width:760px;
    margin:0 auto;
    text-align:left;
    margin-bottom:36px;
}
.detail-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:12px;
    margin-bottom:16px;
}
.chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:500;
    padding:5px 13px;
    border-radius:999px;
    border:1px solid rgba(41,216,255,.4);
    color:var(--cyan);
    background:rgba(41,216,255,.07);
    transition:background .25s ease,border-color .25s ease,color .25s ease;
}
.chip:hover{
    background:rgba(41,216,255,.15);
    border-color:var(--cyan);
    color:#fff;
}
.meta-time{
    font-size:13px;
    color:var(--text-3);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.meta-time::before{
    content:"";
    width:4px;
    height:4px;
    border-radius:50%;
    background:rgba(255,255,255,.35);
    display:inline-block;
}
.article-title{
    font-size:clamp(26px,4.2vw,36px);
    line-height:1.3;
    font-weight:800;
    letter-spacing:-.5px;
    color:#fff;
    margin-bottom:12px;
}
.title-note{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
    color:var(--text-2);
    font-size:14px;
    padding-top:14px;
    border-top:1px solid rgba(255,255,255,.06);
}
.title-note span{display:inline-flex;align-items:center;gap:6px;}
.title-note .dot{
    width:5px;height:5px;border-radius:50%;
    background:var(--cyan);
    box-shadow:0 0 8px rgba(41,216,255,.8);
}
.article-body{
    position:relative;
    z-index:1;
    max-width:760px;
    margin:0 auto;
}
.cms-body{
    font-size:16px;
    line-height:1.95;
    color:rgba(242,246,255,.86);
}
.cms-body p{
    margin-bottom:26px;
}
.cms-body h2{
    font-size:25px;
    font-weight:750;
    color:#fff;
    line-height:1.45;
    margin:40px 0 18px;
    padding-left:14px;
    border-left:3px solid var(--cyan);
    border-radius:2px;
}
.cms-body h3{
    font-size:20px;
    font-weight:700;
    color:#fff;
    margin:32px 0 14px;
}
.cms-body img{
    height:auto;
    border-radius:16px;
    margin:30px 0;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.02);
}
.cms-body a{
    color:#7ae0ff;
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-color:rgba(41,216,255,.38);
    transition:color .25s ease;
}
.cms-body a:hover{color:#fff;}
.cms-body ul,.cms-body ol{
    padding-left:22px;
    margin:24px 0;
}
.cms-body li{
    margin-bottom:10px;
}
.cms-body blockquote{
    position:relative;
    background:rgba(255,255,255,.035);
    border-radius:12px;
    padding:22px 26px;
    color:var(--text-2);
    font-size:15px;
    margin:30px 0;
    border:1px solid rgba(255,255,255,.06);
}
.cms-body blockquote::before{
    content:"";
    position:absolute;
    left:0;
    top:12px;
    bottom:12px;
    width:3px;
    border-radius:3px;
    background:linear-gradient(var(--blue),var(--cyan));
}
.cms-body table{
    width:100%;
    border-collapse:separate;
    border-spacing:0;
    margin:28px 0;
    border:1px solid rgba(255,255,255,.1);
    border-radius:14px;
    overflow:hidden;
    font-size:14px;
}
.cms-body th,.cms-body td{
    padding:12px 14px;
    border-bottom:1px solid rgba(255,255,255,.06);
    text-align:left;
}
.cms-body th{
    background:rgba(46,107,255,.1);
    color:#fff;
    font-weight:600;
    white-space:nowrap;
}
.cms-body tr:last-child td{border-bottom:none;}
.cms-body strong{color:#fff;}
.content-empty{
    border:1px dashed rgba(255,255,255,.16);
    border-radius:16px;
    padding:54px 24px;
    text-align:center;
    color:var(--text-2);
    background:rgba(255,255,255,.016);
}
.article-guide{
    max-width:760px;
    margin:46px auto 0;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:12px;
    border:1px solid rgba(255,255,255,.08);
    border-radius:16px;
    padding:18px 22px;
    background:rgba(255,255,255,.025);
}
.article-guide b{
    color:#fff;
    font-weight:600;
    margin-right:4px;
}
.article-guide .mini-link{
    display:inline-block;
    font-size:13px;
    padding:5px 13px;
    border:1px solid rgba(255,255,255,.16);
    border-radius:999px;
    color:var(--text-2);
    transition:all .25s ease;
}
.article-guide .mini-link:hover{
    color:var(--cyan);
    border-color:rgba(41,216,255,.45);
}

/* ===== Prev / Next ===== */
.article-nav{
    max-width:920px;
    margin:34px auto 0;
}
.pn-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}
.pn-card{
    display:flex;
    flex-direction:column;
    gap:8px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.024);
    border-radius:18px;
    padding:22px 24px;
    transition:all .25s ease;
    position:relative;
    overflow:hidden;
}
.pn-card:hover{
    border-color:rgba(41,216,255,.36);
    background:rgba(255,255,255,.05);
    transform:translateY(-3px);
}
.pn-card small{
    font-size:12px;
    letter-spacing:.12em;
    color:var(--text-3);
    font-weight:500;
}
.pn-card strong{
    font-size:15px;
    font-weight:600;
    color:var(--text);
    line-height:1.5;
}
.pn-card.next{text-align:right;}
.pn-card.next small{justify-content:flex-end;}
@media(max-width:575px){
    .pn-grid{grid-template-columns:1fr;}
}

/* ===== Related reading ===== */
.related-section{
    max-width:1200px;
    margin:76px auto 0;
    padding-top:56px;
    border-top:1px solid rgba(255,255,255,.06);
}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    margin-bottom:26px;
}
.section-head .eyebrow{
    font-size:13px;
    letter-spacing:.22em;
    color:var(--cyan);
    font-weight:600;
    text-transform:uppercase;
}
.section-head h2{
    font-size:28px;
    font-weight:750;
    color:#fff;
    margin-top:4px;
}
.rel-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
}
.rel-card{
    display:flex;
    flex-direction:column;
    border:1px solid rgba(255,255,255,.08);
    background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
    border-radius:20px;
    overflow:hidden;
    transition:all .28s ease;
    height:100%;
}
.rel-card:hover{
    border-color:rgba(41,216,255,.34);
    transform:translateY(-5px);
    box-shadow:0 12px 40px rgba(10,50,130,.25);
}
.rel-cover{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:var(--panel);
}
.rel-cover img{
    width:100%;height:100%;object-fit:cover;
    display:block;
    transition:transform .6s ease;
}
.rel-card:hover .rel-cover img{transform:scale(1.05);}
.rel-cover::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,transparent 58%,rgba(7,13,27,.65));
}
.rel-tag{
    position:absolute;
    top:14px;
    left:14px;
    z-index:2;
    background:rgba(7,13,27,.7);
    border:1px solid rgba(255,255,255,.16);
    color:rgba(255,255,255,.88);
    font-size:12px;
    padding:4px 12px;
    border-radius:999px;
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
}
.rel-body{
    padding:20px 22px 24px;
    display:flex;
    flex-direction:column;
    gap:10px;
    flex:1;
}
.rel-body h3{
    font-size:18px;
    font-weight:700;
    line-height:1.55;
    color:#fff;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.rel-body p{
    font-size:14px;
    color:var(--text-3);
    margin:0;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.back-home{
    margin-top:46px;
    text-align:center;
}
.back-home a{
    color:var(--text-2);
    font-size:15px;
    border:1px solid rgba(255,255,255,.16);
    padding:10px 24px;
    border-radius:999px;
    transition:all .25s ease;
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:rgba(255,255,255,.02);
}
.back-home a:hover{
    color:#fff;
    border-color:rgba(41,216,255,.5);
    background:rgba(41,216,255,.07);
}

/* ===== Empty state ===== */
.empty-wrap{
    max-width:680px;
    margin:30px auto 40px;
    text-align:center;
    background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
    border:1px dashed rgba(255,255,255,.18);
    border-radius:26px;
    padding:78px 32px;
    position:relative;
    overflow:hidden;
}
.empty-wrap::before{
    content:"";
    position:absolute;
    top:-100px;
    left:-100px;
    width:260px;
    height:260px;
    background:radial-gradient(circle,rgba(108,92,231,.1),transparent 70%);
    pointer-events:none;
}
.empty-icon{
    width:88px;
    height:88px;
    border-radius:24px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:36px;
    font-weight:700;
    color:var(--cyan);
    background:rgba(41,216,255,.07);
    border:1px solid rgba(41,216,255,.22);
    margin:0 auto 26px;
    box-shadow:0 0 30px rgba(41,216,255,.12);
    transform:rotate(-3deg);
}
.empty-wrap h1{
    font-size:29px;
    font-weight:800;
    color:#fff;
    margin-bottom:12px;
}
.empty-wrap p{
    color:var(--text-2);
    max-width:420px;
    margin:0 auto 26px;
}
.empty-btns{
    display:flex;
    justify-content:center;
    flex-wrap:wrap;
    gap:14px;
}
.empty-btns .btn{min-width:140px;}

/* ===== Footer ===== */
.site-footer{
    position:relative;
    z-index:1;
    background:#060A14;
    border-top:1px solid rgba(255,255,255,.05);
    margin-top:auto;
}
.site-footer::before{
    content:"";
    display:block;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(41,216,255,.3),transparent);
}
.footer-inner{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:40px;
    padding:56px 0 44px;
}
.footer-brand .site-logo{margin-bottom:18px;}
.footer-brand p{
    font-size:14px;
    color:var(--text-3);
    max-width:360px;
    line-height:1.9;
    margin:0;
}
.footer-socials{
    display:flex;
    gap:10px;
    margin-top:22px;
}
.footer-socials span{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.12);
    background:rgba(255,255,255,.03);
    color:var(--text-2);
    font-size:14px;
    cursor:default;
    transition:all .25s ease;
}
.footer-socials span:hover{
    color:#fff;
    border-color:rgba(41,216,255,.4);
    background:rgba(41,216,255,.08);
}
.footer-col h4{
    color:#fff;
    font-size:14px;
    font-weight:700;
    margin-bottom:18px;
    letter-spacing:.04em;
}
.footer-col a{
    display:block;
    font-size:13px;
    color:var(--text-2);
    line-height:2.2;
    transition:color .25s ease,padding-left .25s ease;
}
.footer-col a:hover{
    color:var(--cyan);
    padding-left:4px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.04);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:10px;
    padding:18px 0;
    font-size:13px;
    color:rgba(255,255,255,.35);
}

/* ===== Responsive ===== */
@media(max-width:991px){
    .header-inner{
        flex-wrap:wrap;
        min-height:auto;
        padding:14px 0 12px;
        row-gap:10px;
    }
    .header-actions{margin-left:auto;}
    .nav-wrap{
        order:3;
        width:100%;
        overflow-x:auto;
        padding-bottom:2px;
        scrollbar-width:none;
        margin-left:0;
        flex-wrap:nowrap;
        gap:2px;
        -webkit-overflow-scrolling:touch;
    }
    .nav-wrap::-webkit-scrollbar{display:none;}
    .nav-link{
        white-space:nowrap;
        padding:8px 15px;
    }
    .nav-link.is-active::after{
        bottom:-11px;
        left:12px;
        right:12px;
    }
    .footer-inner{
        grid-template-columns:1fr 1fr;
        gap:32px 26px;
    }
    .footer-brand{grid-column:1/-1;}
    .rel-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:767px){
    .header-inner{
        padding:10px 0 8px;
        gap:8px;
    }
    .site-logo .logo-text{font-size:18px;}
    .logo-mark{width:30px;height:30px;}
    .header-state{display:none;}
    .header-cta{
        min-width:auto;
        padding:9px 14px;
        font-size:13px;
    }
    .article-page{padding:26px 0 64px;}
    .crumbs{margin-bottom:16px;}
    .read-shell{
        border-radius:18px;
        padding:24px 18px;
    }
    .detail-head{margin-bottom:28px;}
    .article-title{line-height:1.35;}
    .cms-body{font-size:15px;}
    .rel-grid{grid-template-columns:1fr;}
    .section-head h2{font-size:23px;}
    .footer-inner{
        grid-template-columns:1fr;
        padding:40px 0 24px;
    }
    .footer-brand{grid-column:auto;}
    .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
    }
}
@media(max-width:520px){
    .footer-col a{
        font-size:13px;
        line-height:2.1;
    }
    .empty-wrap{padding:55px 20px;}
    .empty-wrap h1{font-size:25px;}
    .article-guide{
        padding:16px 14px;
        gap:8px;
    }
}

/* roulang page: category3 */
:root{
  --page-bg:#070D1B;
  --bg-2:#0B1226;
  --panel:#101A33;
  --glass:rgba(255,255,255,.04);
  --glass-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.06);
  --text:#F2F6FF;
  --sub:rgba(255,255,255,.72);
  --weak:rgba(255,255,255,.5);
  --blue:#2E6BFF;
  --cyan:#29D8FF;
  --violet:#6C5CE7;
  --gold:#C9A14A;
  --red:#FF6B7A;
  --grad:linear-gradient(135deg,#1E5DFF,#12D0FF);
  --radius:16px;
  --radius-lg:22px;
  --radius-sm:10px;
  --shadow:0 8px 30px rgba(20,60,220,.15);
  --shadow-glow:0 0 20px rgba(0,180,255,.25);
  --shadow-hover:0 4px 40px rgba(0,210,255,.4);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{line-height:1.25;margin:0 0 .5em;color:#fff}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;object-fit:cover}
ul{list-style:none;margin:0;padding:0}
.container{max-width:1200px}
.section{padding:96px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:600;font-size:15px;line-height:1;
  border-radius:var(--radius-sm);
  padding:14px 26px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:10px}
.btn-glow{
  background:var(--grad);
  color:#fff;
  border:0;
  box-shadow:var(--shadow-glow);
}
.btn-glow::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 1px 0 rgba(255,255,255,.3);pointer-events:none}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
.btn-glow:active{transform:scale(.98)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.22);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn:focus-visible,.link-more:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;box-shadow:0 0 0 4px rgba(41,216,255,.18)
}
/* Header */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,13,27,.72);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line-soft);
}
.site-header.scrolled{background:rgba(5,9,18,.92);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.site-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:20px;letter-spacing:-.5px;
  flex-shrink:0;
}
.logo-mark{width:32px;height:32px;flex:none;position:relative}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:70%;height:70%;
  transform:translate(-50%,-50%) rotate(45deg);
  border:2px solid transparent;border-radius:7px;
  background:linear-gradient(135deg,rgba(30,93,255,.35),rgba(41,216,255,.4));
  background-clip:padding-box;
}
.logo-mark::before{
  border-color:transparent;
  box-shadow:0 0 12px rgba(41,216,255,.45);
}
.logo-mark::after{
  width:38%;height:38%;
  background:rgba(41,216,255,.15);
  border:1px solid rgba(255,255,255,.45);
  box-shadow:0 0 10px rgba(41,216,255,.6);
}
.logo-text{
  background:linear-gradient(120deg,#fff,#E8F6FF);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.nav-wrap{display:flex;align-items:center;gap:4px;margin-left:10px;flex:1;min-width:0}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 16px;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.72);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{
  color:#fff;
}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;
  background:var(--grad);box-shadow:0 0 8px rgba(41,216,255,.7);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-state{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:rgba(255,255,255,.6);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
  padding:6px 12px;border-radius:999px;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:#18E0A8;box-shadow:0 0 10px rgba(24,224,168,.9);flex:none}
/* Footer */
.site-footer{
  background:#070b15;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(41,216,255,.35),transparent) 1;
  padding:68px 0 0;
}
.footer-inner{
  display:grid;grid-template-columns:1.6fr .8fr .8fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand p{color:rgba(255,255,255,.52);font-size:14px;max-width:340px;margin:16px 0 20px}
.footer-socials{display:flex;gap:10px}
.footer-socials span{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.14);border-radius:12px;
  background:rgba(255,255,255,.03);
  color:rgba(255,255,255,.7);font-size:13px;
  transition:.25s;
}
.footer-socials span:hover{background:var(--glass-strong);color:#fff;border-color:var(--cyan);box-shadow:0 0 16px rgba(41,216,255,.15)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:#fff;letter-spacing:.02em}
.footer-col a{
  display:block;color:rgba(255,255,255,.52);
  font-size:14px;padding:5px 0;transition:color .2s,padding-left .25s;
}
.footer-col a:hover{color:var(--cyan);padding-left:5px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:18px 0;
  font-size:13px;color:rgba(255,255,255,.38);
}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
/* Page hero */
.page-hero{
  position:relative;
  min-height:360px;
  display:flex;align-items:center;
  padding:70px 0 56px;
  background:url('/assets/images/backpic/back-2.webp') center 40%/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(5,9,20,.93) 0%,rgba(6,16,35,.75) 55%,rgba(10,22,48,.5) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:40px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(41,216,255,.12),transparent 70%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.5);
  margin-bottom:18px;
}
.crumb a:hover{color:var(--cyan)}
.page-hero h1{font-size:clamp(38px,5.4vw,60px);font-weight:800;letter-spacing:-1px;margin-bottom:18px}
.page-hero h1 .text-gradient{
  background:linear-gradient(120deg,#fff,#74E2FF);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.page-hero .lead-text{max-width:760px;font-size:18px;color:rgba(255,255,255,.75);line-height:1.85}
/* Ticker */
.ticker-bar{border-bottom:1px solid rgba(255,255,255,.06);background:rgba(16,26,51,.55)}
.ticker-inner{display:flex;align-items:center;gap:16px;padding:11px 0}
.ticker-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;flex-shrink:0;color:#fff}
.ticker-label .status-dot{background:#FFC24B;box-shadow:0 0 10px rgba(255,194,75,.7)}
.ticker-inner p{margin:0;color:rgba(255,255,255,.62);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* section head */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--cyan);
  text-transform:uppercase;letter-spacing:.14em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--grad);box-shadow:0 0 8px rgba(41,216,255,.6)}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.section-sub{color:rgba(255,255,255,.65);font-size:16px;max-width:660px}
/* intro */
.intro-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(255,255,255,.07),rgba(255,255,255,.015));
  padding:12px;
  height:100%;
}
.intro-card img{width:100%;height:100%;object-fit:cover;border-radius:calc(var(--radius-lg) - 10px);min-height:280px}
.intro-copy p{color:rgba(255,255,255,.66);font-size:16px}
.intro-copy strong{color:#fff}
/* meta chips */
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.meta-chip{
  position:relative;
  background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  padding:26px 22px 22px;
  overflow:hidden;
  transition:all .25s ease;
}
.meta-chip::after{
  content:"";position:absolute;left:0;top:0;width:34px;height:3px;
  background:var(--grad);opacity:.8;
}
.meta-chip:hover{transform:translateY(-5px);border-color:rgba(41,216,255,.35);box-shadow:0 10px 30px rgba(30,93,255,.18)}
.meta-chip .m-icon{width:42px;height:42px;border-radius:13px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;font-size:19px;background:rgba(41,216,255,.1);border:1px solid rgba(41,216,255,.2);color:var(--cyan)}
.meta-chip h3{font-size:17px;font-weight:700;margin-bottom:10px}
.meta-chip p{font-size:14px;color:rgba(255,255,255,.58);margin:0}
/* type cards */
.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.type-card{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.11);
  background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.01));
  padding:30px 26px 26px;
  height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.type-card:hover{transform:translateY(-6px);border-color:rgba(41,216,255,.3);box-shadow:var(--shadow)}
.type-card .type-ico{
  width:48px;height:48px;border-radius:15px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.type-card .tag{
  display:inline-flex;align-self:flex-start;
  background:rgba(41,216,255,.1);border:1px solid rgba(41,216,255,.25);
  color:var(--cyan);font-size:12px;border-radius:999px;
  padding:4px 10px;line-height:1.4;margin-bottom:12px;
}
.type-card h3{font-size:21px}
.type-card p{color:var(--sub);font-size:15px;flex:1}
.link-more{
  color:var(--cyan);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center;margin-top:6px;
}
.link-more:hover{color:#fff}
.link-more i{transition:transform .2s;font-style:normal}
.link-more:hover i{transform:translateX(4px)}
/* timeline */
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.timeline:before{
  content:"";position:absolute;top:10px;left:20px;right:20px;height:2px;
  background:linear-gradient(90deg,rgba(41,216,255,.6),rgba(108,92,231,.3),rgba(255,255,255,.06));
}
.tl-item{position:relative;padding-top:44px}
.tl-item::before{
  content:"";position:absolute;left:0;top:5px;width:12px;height:12px;
  background:var(--cyan);border:2px solid rgba(255,255,255,.35);
  transform:rotate(45deg);
  box-shadow:0 0 12px rgba(41,216,255,.75);
  z-index:2;
}
.tl-step{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.04em;font-weight:700}
.tl-item h3{font-size:18px;margin:8px 0 10px}
.tl-item p{color:rgba(255,255,255,.56);font-size:14px;margin:0}
/* table */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(145deg,rgba(255,255,255,.025),rgba(255,255,255,.005));
  overflow:hidden;
}
.table-custom{width:100%;border-collapse:collapse;min-width:640px}
.table-custom th{
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:rgba(255,255,255,.55);font-weight:700;
  text-align:left;padding:16px 22px;
  border-bottom:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.02);
}
.table-custom td{padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.05);font-size:15px;vertical-align:top;color:var(--sub)}
.table-custom tr:last-child td{border-bottom:0}
.table-custom td:first-child{color:#fff;font-weight:600}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px;white-space:nowrap;
}
.bg-blue{background:rgba(46,107,255,.12);color:#9CC0FF;border:1px solid rgba(46,107,255,.3)}
.bg-cyan{background:rgba(41,216,255,.1);color:var(--cyan);border:1px solid rgba(41,216,255,.25)}
.bg-gold{background:rgba(201,161,74,.12);color:#E3C384;border:1px solid rgba(201,161,74,.35)}
/* callout */
.guide-box{
  display:grid;grid-template-columns:1fr 1.3fr;gap:44px;align-items:center;
  background:linear-gradient(120deg,rgba(17,29,62,.9),rgba(10,18,40,.4));
  border-radius:var(--radius-lg);
  padding:40px;
  border:1px solid rgba(255,255,255,.08);
  position:relative;overflow:hidden;
}
.guide-box::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:linear-gradient(90deg,var(--cyan),transparent)}
.guide-box .cover{
  border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(10,20,50,.7)
}
.guide-box .cover img{width:100%;height:260px;object-fit:cover}
.guide-list li{
  position:relative;padding-left:30px;margin-bottom:16px;
  color:rgba(255,255,255,.67);font-size:15px;
}
.guide-list li::before{
  content:"✔";position:absolute;left:0;top:0;
  color:var(--cyan);font-size:16px;
}
.guide-list strong{color:#fff;display:block}
/* faq */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:linear-gradient(135deg,rgba(255,255,255,.045),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .3s;
}
.faq-item:has(.show){border-color:rgba(41,216,255,.35)}
.faq-btn{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  background:transparent;border:0;padding:20px 24px;
  color:#fff;font-size:16px;font-weight:600;text-align:left;
  transition:color .2s;
}
.faq-btn:hover,.faq-btn:not(.collapsed){color:var(--cyan)}
.faq-btn:focus-visible{outline:2px solid rgba(41,216,255,.6)}
.faq-icon{flex-shrink:0;width:28px;height:28px;margin-left:18px;border:1px solid rgba(255,255,255,.14);border-radius:50%;position:relative;transition:transform .3s,background .3s;color:#fff;font-weight:400}
.faq-btn:not(.collapsed) .faq-icon{transform:rotate(45deg);border-color:var(--cyan);color:var(--cyan)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:currentColor;border-radius:1px}
.faq-icon::before{width:12px;height:1.5px}
.faq-icon::after{width:1.5px;height:12px}
.faq-body{padding:0 24px 22px;color:rgba(255,255,255,.64);font-size:15px}
/* CTA */
.cta-band{
  border-radius:var(--radius-lg);
  padding:58px 54px;
  background:
    radial-gradient(circle at 80% 20%,rgba(41,216,255,.12),transparent 50%),
    linear-gradient(125deg,#0F1B3C,#081126);
  border:1px solid rgba(41,216,255,.18);
  display:flex;align-items:center;justify-content:space-between;gap:30px;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.62);margin:0;max-width:640px}
.cta-btn-right{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
/* responsive */
@media (max-width:1199.98px){
  .chip-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .nav-wrap{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .nav-wrap::-webkit-scrollbar{display:none}
  .header-inner{gap:10px;min-height:62px;flex-wrap:nowrap}
  .site-logo .logo-text{font-size:18px}
  .nav-wrap{order:3;width:100%;margin:0;padding:0 0 8px;flex:0 0 100%}
  .nav-link{padding:6px 14px;font-size:15px}
  .header-actions{gap:8px}
  .header-actions .header-state span{display:none}
  .header-state{font-size:12px;padding:5px 10px}
  .timeline{grid-template-columns:1fr 1fr;gap:28px}
  .timeline:before{display:none}
  .timeline .tl-item{padding-top:26px}
  .guide-box{grid-template-columns:1fr;padding:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
}
@media (max-width:767.98px){
  .page-hero{min-height:330px;padding:50px 0 42px}
  .page-hero h1{font-size:32px}
  .page-hero .lead-text{font-size:15px}
  .chip-grid{grid-template-columns:1fr}
  .type-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom .container{flex-direction:column;text-align:center}
  .guide-box .cover img{height:220px}
  .section{padding:60px 0}
  .footer-socials justify-content:center
  .logo-text{font-size:17px!important}
}
@media (min-width:768px){
  .nav-wrap{display:flex!important}
}

/* roulang page: category2 */
:root {
  --bg: #070D1B;
  --bg-soft: #0B1226;
  --panel: #101A33;
  --line: rgba(255,255,255,.09);
  --text: #F2F6FF;
  --text-2: rgba(255,255,255,.72);
  --text-3: rgba(255,255,255,.5);
  --blue: #2E6BFF;
  --cyan: #29D8FF;
  --purple: #6C5CE7;
  --cyan-green: #18E0A8;
  --gold: #C9A14A;
  --red: #FF6B7A;
  --grad-main: linear-gradient(135deg,#1E5DFF,#12D0FF);
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;
  --btn-shadow: 0 0 16px rgba(0,180,255,.3);
  --card-shadow: 0 8px 30px rgba(10,20,60,.28);
  --header-h: 72px;
  --font: system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 88% 10%, rgba(41,216,255,.06) 0, transparent 320px),
    radial-gradient(circle at 5% 80%, rgba(108,92,231,.06) 0, transparent 360px),
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: auto, auto, 24px 24px;
  opacity: .65;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1240px;
}

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

img {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin-top: 0;
}

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(41,216,255,.18);
}

::selection {
  background: rgba(41,216,255,.22);
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1090;
  background: rgba(7,13,27,.76);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: #fff;
  font-weight: 800;
  line-height: 1.2;
}

.logo-mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: var(--grad-main);
  border-radius: 10px;
  box-shadow: 0 0 14px rgba(34,190,255,.4);
}

.logo-mark::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 9px;
  right: 9px;
  bottom: 9px;
  border-radius: 4px;
  transform: rotate(45deg);
  background: rgba(255,255,255,.24);
}

.logo-text {
  font-size: 19px;
  letter-spacing: -0.3px;
  background: linear-gradient(120deg,#F2F6FF 10%,#BDE8FF 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.site-header .nav-link {
  margin: 0;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,.72);
  border-radius: 999px;
  position: relative;
  transition: color .24s ease, background .24s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible {
  color: #fff;
  background: rgba(255,255,255,.04);
}

.site-header .nav-link.is-active {
  color: #fff;
  font-weight: 700;
}

.site-header .nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(41,216,255,.85), rgba(41,216,255,.35));
  box-shadow: 0 0 8px rgba(41,216,255,.85);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: rgba(255,255,255,.78);
  font-size: 12px;
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-green);
  box-shadow: 0 0 10px rgba(24,224,168,.9);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity:1; }
  50% { opacity:.35; }
}

.btn-glow {
  border: 0;
  color: #fff;
  background: var(--grad-main);
  border-radius: 12px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 15px;
  box-shadow: var(--btn-shadow);
  transition: transform .22s ease, box-shadow .22s ease, opacity .22s ease;
}

.btn-glow:hover,
.btn-glow:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 34px rgba(0,210,255,.4);
}

.btn-glow:active {
  transform: scale(.98);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.04);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  border-radius: 12px;
  padding: 11px 24px;
  font-weight: 600;
  font-size: 15px;
  transition: border-color .22s ease, background .22s ease, transform .22s ease;
}

.btn-glass:hover,
.btn-glass:focus-visible {
  color: #fff;
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.45);
  transform: translateY(-2px);
}

.category-hero {
  position: relative;
  padding: 118px 0 64px;
  color: #fff;
  background:
    radial-gradient(circle at 76% 12%, rgba(41,216,255,.13) 0, transparent 360px),
    radial-gradient(circle at 8% 76%, rgba(108,92,231,.12) 0, transparent 320px),
    linear-gradient(180deg, rgba(7,13,27,.72), rgba(7,13,27,.94)),
    url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 15px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  font-size: 13px;
  color: rgba(255,255,255,.78);
  letter-spacing: .5px;
}

.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.hero-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 16px;
  font-size: clamp(42px, 6vw, 64px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -1px;
  text-shadow: 0 0 22px rgba(41,216,255,.25);
}

.hero-title-cyan {
  background: linear-gradient(120deg,#8BE7FF 0%,#2FD8FF 46%,#5E8CFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 760px;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255,255,255,.78);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.09);
  border-bottom: 1px solid rgba(255,255,255,.09);
}

.hero-points li {
  padding: 18px 20px;
}

.hero-points dt {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing:.4px;
}

.hero-points dt i {
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
  display: inline-block;
}

.hero-points dd {
  margin: 6px 0 0;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.section {
  position: relative;
  padding: 96px 0;
  scroll-margin-top: 76px;
}

.section-alternate {
  background: linear-gradient(180deg, rgba(13,22,44,.4), rgba(9,16,36,.65));
}

.sec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}

.sec-index {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--cyan);
}

.sec-index::before {
  content: "";
  width: 18px;
  height: 3px;
  border-radius: 99px;
  background: var(--grad-main);
}

.sec-head h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.sec-subtitle {
  max-width: 400px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.feature-card {
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 14%;
  right: 14%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.34), transparent);
}

.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(41,216,255,.36);
  box-shadow: 0 12px 32px rgba(13,30,80,.36), 0 0 0 1px rgba(41,216,255,.06);
}

.card-photo {
  height: 210px;
  overflow: hidden;
  position: relative;
  background: var(--panel);
}

.card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}

.feature-card:hover .card-photo img {
  transform: scale(1.04);
}

.card-photo::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(16,26,51,.42));
}

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

.mode-tag {
  display: inline-flex;
  align-self: flex-start;
  gap: 6px;
  align-items: center;
  margin-bottom: 14px;
  padding: 5px 11px;
  border: 1px solid rgba(41,216,255,.38);
  color: #B8ECFF;
  background: rgba(41,216,255,.08);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.feature-card h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.feature-card p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 18px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.feature-tags span {
  font-size: 13px;
  color: rgba(255,255,255,.72);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 999px;
  padding: 3px 10px;
}

.feature-card .btn-glass {
  margin-top: auto;
  align-self: flex-start;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 20px;
  counter-reset: timeline;
}

.timeline-item {
  position: relative;
  padding: 30px 24px 26px;
  border-radius: var(--r-md);
  background: rgba(11,18,38,.72);
  border: 1px solid rgba(255,255,255,.1);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}

.timeline-item::before {
  counter-increment: timeline;
  content: "0" counter(timeline);
  position: absolute;
  right: 18px;
  top: 10px;
  font-size: 48px;
  line-height: 1;
  font-weight: 800;
  color: rgba(255,255,255,.04);
  letter-spacing: -3px;
}

.timeline-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 3px;
  height: 42px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(41,216,255,.55);
}

.timeline-item:hover {
  transform: translateY(-4px);
  border-color: rgba(41,216,255,.28);
}

.tl-phase {
  display: inline-flex;
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.timeline-item h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.82;
  margin: 0;
}

.guarantee-section {
  background:
    radial-gradient(circle at 12% 45%, rgba(41,216,255,.08), transparent 340px),
    linear-gradient(180deg, rgba(11,18,38,.9), rgba(7,13,27,.9));
}

.guarantee-image {
  position: relative;
  height: 100%;
  min-height: 400px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  box-shadow: var(--card-shadow);
}

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

.guarantee-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7,13,27,.86));
}

.guarantee-badge {
  position: absolute;
  left: 22px;
  bottom: 22px;
  z-index: 2;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.guarantee-badge span {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(7,13,27,.62);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
}

.guarantee-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guarantee-list li {
  padding: 18px 22px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.035);
  transition: background .22s ease, border-color .22s ease;
}

.guarantee-list li:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(41,216,255,.3);
}

.guarantee-list strong {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  margin-bottom: 6px;
  color: #fff;
}

.guarantee-list strong::before {
  content: "";
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--cyan);
  flex-shrink: 0;
}

.guarantee-list p {
  color: var(--text-2);
  font-size: 14px;
  margin: 0 0 0 15px;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}

.step-item {
  position: relative;
  padding: 34px 22px 24px 26px;
  border-radius: var(--r-md);
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.11);
  height: 100%;
}

.step-item::after {
  content: "";
  position: absolute;
  left: 50%;
  right: -18px;
  top: 50%;
  width: 18px;
  height: 1px;
  background: rgba(255,255,255,.18);
  transform: translateX(2px);
}

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

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border-radius: 14px;
  background: var(--grad-main);
  box-shadow: 0 0 18px rgba(46,107,255,.25);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  transform: rotate(45deg);
}

.step-num span {
  transform: rotate(-45deg);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.82;
  margin: 0;
}

.section-join {
  padding: 0 0 96px;
  scroll-margin-top: 80px;
}

.join-panel {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  background:
    linear-gradient(100deg, rgba(7,13,27,.95) 0%, rgba(12,22,46,.9) 52%, rgba(7,15,34,.85) 100%),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
  box-shadow: 0 20px 70px rgba(5,10,25,.46);
  padding: 58px 54px;
}

.join-panel::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(41,216,255,.18), transparent 65%);
  pointer-events: none;
}

.join-title h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  letter-spacing: -0.3px;
}

.join-title p {
  color: var(--text-2);
  font-size: 15px;
  margin: 0 0 20px;
  max-width: 480px;
}

.join-note {
  padding: 0;
  list-style: none;
  margin: 0 0 4px;
}

.join-note li {
  position: relative;
  padding-left: 26px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  line-height: 1.9;
}

.join-note li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 13px;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--cyan);
}

.join-form {
  padding: 30px;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.15);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.join-form label {
  font-size: 14px;
  color: rgba(255,255,255,.86);
  margin-bottom: 7px;
  font-weight: 500;
}

.join-form .form-control,
.join-form .form-select {
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 12px;
  min-height: 48px;
  color: #fff;
  font-size: 15px;
  padding: 12px 15px;
  transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
}

.join-form .form-control::placeholder {
  color: rgba(255,255,255,.36);
}

.join-form .form-control:focus,
.join-form .form-select:focus {
  color: #fff;
  background: rgba(255,255,255,.07);
  border-color: rgba(41,216,255,.62);
  box-shadow: 0 0 0 4px rgba(41,216,255,.13);
}

.join-form .form-select option {
  background: var(--bg-soft);
  color: #fff;
}

.join-form .form-check {
  margin-top: 8px;
}

.join-form .form-check-input {
  margin-top: 5px;
  background-color: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.22);
  width: 18px;
  height: 18px;
  border-radius: 6px;
}

.join-form .form-check-input:checked {
  background-color: var(--cyan);
  border-color: var(--cyan);
}

.join-form .form-check-label {
  font-size: 13px;
  color: rgba(255,255,255,.72);
}

.join-form .btn-glow {
  width: 100%;
  padding: 14px 20px;
  min-height: 52px;
}

.join-success {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(24,224,168,.1);
  border: 1px solid rgba(24,224,168,.32);
  color: #B5FFE8;
  font-size: 14px;
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
  border-color: rgba(255,107,122,.6);
}

.was-validated .form-control:invalid:focus,
.was-validated .form-select:invalid:focus {
  border-color: rgba(255,107,122,.75);
  box-shadow: 0 0 0 4px rgba(255,107,122,.12);
}

.faq-section {
  background:
    radial-gradient(circle at 90% 18%, rgba(108,92,231,.07), transparent 320px),
    linear-gradient(180deg, rgba(7,13,27,.3), rgba(7,13,27,.6));
}

.faq-list .accordion-item {
  margin-bottom: 12px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: var(--r-md) !important;
  background: rgba(11,18,38,.68);
  overflow: hidden;
  transition: border-color .22s ease;
}

.faq-list .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(41,216,255,.32);
}

.faq-list .accordion-button {
  background: transparent;
  color: #F2F6FF;
  font-size: 16px;
  font-weight: 600;
  padding: 21px 26px;
  box-shadow: none;
}

.faq-list .accordion-button:hover {
  background: rgba(255,255,255,.03);
}

.faq-list .accordion-button::after {
  content: "+";
  font-family: var(--font);
  background: none;
  width: 18px;
  height: 18px;
  font-size: 22px;
  line-height: 1;
  color: rgba(255,255,255,.65);
  transition: transform .24s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.faq-list .accordion-button:not(.collapsed)::after {
  content: "−";
  color: var(--cyan);
  transform: rotate(180deg);
}

.faq-list .accordion-button:not(.collapsed) {
  background: rgba(255,255,255,.03);
  color: #fff;
}

.accordion-body {
  padding: 0 26px 22px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
}

.site-footer {
  background: #050A15;
  border-top: 1px solid rgba(255,255,255,.06);
  position: relative;
  z-index: 1;
}

.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(41,216,255,.3), rgba(108,92,231,.3), transparent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr .8fr .8fr .8fr;
  gap: 34px;
  padding: 56px 0 42px;
}

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

.footer-brand p {
  color: rgba(255,255,255,.55);
  font-size: 14px;
  line-height: 1.9;
  margin: 0 0 20px;
  max-width: 360px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.13);
  color: rgba(255,255,255,.6);
  font-size: 13px;
  transition: all .22s ease;
}

.footer-socials span:hover {
  border-color: rgba(41,216,255,.5);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 18px;
  letter-spacing: .4px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,.58);
  font-size: 14px;
  padding: 6px 0;
  transition: color .22s ease, padding-left .22s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 22px 0;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: rgba(255,255,255,.38);
  font-size: 13px;
}

.btn {
  font-family: var(--font);
}

@media (max-width: 1199px) {
  .container {
    max-width: 1020px;
  }

  .nav-wrap {
    gap: 2px;
  }

  .site-header .nav-link {
    padding: 8px 12px;
    font-size: 14px;
  }

  .header-state {
    padding: 5px 10px;
    font-size: 12px;
  }

  .timeline-grid,
  .step-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .step-item::after {
    display: none;
  }

  .join-panel {
    padding: 42px 34px;
  }
}

@media (max-width: 991px) {
  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 12px;
    gap: 10px;
  }

  .nav-wrap {
    width: 100%;
    order: 4;
    justify-content: flex-start;
    overflow-x: auto;
    gap: 4px;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

  .nav-wrap::-webkit-scrollbar {
    height: 4px;
  }

  .nav-wrap::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.18);
    border-radius: 99px;
  }

  .site-header .nav-link {
    white-space: nowrap;
    padding: 8px 14px;
  }

  .header-actions {
    margin-left: auto;
  }

  .site-logo .logo-text {
    font-size: 18px;
  }

  .hero-points {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .sec-head {
    display: block;
  }

  .sec-subtitle {
    max-width: 620px;
    margin-top: 12px;
  }

  .guarantee-image img {
    height: 100%;
  }

  .guarantee-image {
    min-height: 330px;
    margin-bottom: 24px;
  }

  .join-panel {
    padding: 30px 24px;
  }

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

@media (max-width: 767px) {
  :root {
    --header-h: 62px;
  }

  .category-hero {
    padding: 82px 0 48px;
  }

  .section {
    padding: 68px 0;
  }

  .section-join {
    padding-bottom: 68px;
  }

  .hero-title {
    font-size: 32px;
    gap: 10px;
  }

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

  .hero-actions .btn {
    width: auto;
  }

  .hero-points {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 4px 0;
  }

  .hero-points li {
    padding: 14px 14px;
  }

  .hero-points dd {
    font-size: 15px;
  }

  .timeline-grid,
  .step-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .timeline-item,
  .step-item {
    padding: 24px 20px;
  }

  .step-item::after {
    display: none;
  }

  .guarantee-image {
    min-height: 260px;
  }

  .join-panel {
    padding: 24px 16px;
    border-radius: var(--r-md);
  }

  .join-form {
    padding: 24px 18px;
    border-radius: 18px;
  }

  .join-form .btn-glow {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding-top: 42px;
    gap: 26px;
  }

  .footer-bottom .container {
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 520px) {
  .header-actions {
    gap: 10px;
  }

  .header-state {
    display: none;
  }

  .site-logo .logo-text {
    font-size: 16px;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
  }

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

  .hero-actions .btn {
    display: flex;
    justify-content: center;
    width: 100%;
  }

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

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

  .hero-points li {
    border-bottom: 1px solid rgba(255,255,255,.06);
  }

  .feature-card .btn-glass {
    width: 100%;
  }

  .guarantee-list strong {
    font-size: 15px;
  }

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