/* roulang page: index */
:root {
  --bg-deep: #0b0e14;
  --bg-body: #111722;
  --bg-soft: #151c2a;
  --bg-card: #1c2230;
  --bg-card-hover: #262e40;
  --bg-dark: #080a10;
  --cyan: #00e5c0;
  --violet: #7b61ff;
  --pink: #ff4d6a;
  --gold: #f7c948;
  --text-hi: #f2f5fa;
  --text-body: #c3cad9;
  --text-soft: #8a94a8;
  --line: rgba(255, 255, 255, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 14px 42px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 229, 192, 0.2);
  --glow-cyan: 0 0 12px rgba(0, 229, 192, 0.35);
  --glow-violet: 0 0 20px rgba(123, 97, 255, 0.3);
  --grad-brand: linear-gradient(130deg, var(--cyan) 0%, var(--violet) 100%);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-latin: "Barlow Condensed", "Rajdhani", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  background: radial-gradient(circle at 12% 8%, rgba(123, 97, 255, 0.16), transparent 28%),
    radial-gradient(circle at 88% 2%, rgba(0, 229, 192, 0.12), transparent 32%),
    linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-body) 48%, #0d1119 100%);
  background-attachment: fixed;
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
}

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

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

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible {
  outline: 2px solid var(--cyan) !important;
  outline-offset: 3px;
  border-radius: 4px;
}

a:active,
button:active,
.summary-arrow:active {
  transform: scale(0.97);
}

/* ===== 顶部辅助条 ===== */
.topbar {
  background: rgba(5, 7, 12, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 13px;
  color: var(--text-soft);
  position: relative;
  z-index: 110;
}

.topbar .container {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-info i {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
  display: inline-block;
}

.topbar-info span {
  letter-spacing: 0.02em;
}

.topbar-utils {
  display: flex;
  align-items: center;
  gap: 18px;
}

.topbar-utils span {
  color: var(--text-soft);
  cursor: pointer;
  transition: color 0.2s;
}

.topbar-utils span:hover {
  color: var(--cyan);
}

/* ===== 主导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.82);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.site-header::after {
  content: "";
  display: block;
  height: 2px;
  width: 240px;
  background: var(--grad-brand);
  border-radius: 0 0 999px 999px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -2px;
  filter: blur(0.2px);
  opacity: 0.9;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 78px;
  flex-wrap: wrap;
}

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

.brand-logo {
  width: 46px;
  height: 46px;
  display: block;
  filter: drop-shadow(0 0 8px rgba(0, 229, 192, 0.45));
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.brand-text b {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--font-latin);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-text small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-menu li a {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 12px 2px;
  position: relative;
  border-bottom: 1px solid transparent;
}

.site-menu li a::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 999px;
  background: var(--grad-brand);
  position: absolute;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  bottom: -1px;
  transition: transform 0.2s ease;
  box-shadow: var(--glow-cyan);
}

.site-menu li a:hover {
  color: var(--cyan);
}

.site-menu li a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.site-menu li a.active {
  color: var(--text-hi);
}

.site-menu li a.active::after {
  transform: translateX(-50%) scaleX(1);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 0 22px;
  height: 42px;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background-image: var(--grad-brand);
  color: #0a0e17;
  box-shadow: 0 0 16px rgba(0, 229, 192, 0.18);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(0, 229, 192, 0.5), 0 8px 22px rgba(123, 97, 255, 0.18);
  color: #081019;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 192, 0.08);
  color: var(--cyan);
  box-shadow: 0 0 14px rgba(0, 229, 192, 0.22);
}

.btn-dark-cta {
  background: #0d111a;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 192, 0.3);
}

.btn-dark-cta:hover {
  background: var(--pink);
  color: #fff;
  border-color: var(--pink);
  transform: translateY(-2px);
  box-shadow: 0 0 18px rgba(255, 77, 106, 0.45);
}

.btn-large {
  height: 52px;
  font-size: 17px;
  padding: 0 32px;
}

/* 移动端导航 */
.burger {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text-hi);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.burger i {
  font-style: normal;
  font-size: 18px;
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(8, 11, 17, 0.98);
  backdrop-filter: blur(20px);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: 24px;
  overflow-y: auto;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 34px;
}

.mobile-drawer-close {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  color: var(--text-hi);
  font-size: 18px;
  cursor: pointer;
}

.mobile-drawer-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px;
  font-size: 18px;
  color: var(--text-hi);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.mobile-drawer-nav a:hover,
.mobile-drawer-nav a.active {
  color: var(--cyan);
}

.mobile-drawer .btn {
  margin-top: 28px;
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  min-height: 620px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 70px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(100deg, rgba(8, 10, 15, 0.94) 0%, rgba(13, 17, 27, 0.72) 48%, rgba(11, 14, 21, 0.3) 100%),
    linear-gradient(to bottom, rgba(8, 10, 15, 0.6) 0%, rgba(8, 10, 15, 0.8) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-position: center, center, center;
  background-size: cover;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(70deg, rgba(0, 229, 192, 0.12), transparent 32%, rgba(123, 97, 255, 0.16));
  mix-blend-mode: screen;
}

.hero .deco-grid {
  position: absolute;
  bottom: -10px;
  right: -5%;
  width: 58%;
  height: 220px;
  opacity: 0.12;
  background-image:
    linear-gradient(130deg, var(--cyan) 1px, transparent 1px),
    linear-gradient(130deg, transparent 1px, var(--violet) 1px);
  background-size: 42px 42px;
  transform: skewY(-12deg);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 8fr 4fr;
  gap: 50px;
  align-items: center;
  width: 100%;
}

.hero-copy {
  max-width: 760px;
}

.hero-subtitle-flag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(0, 229, 192, 0.1);
  border: 1px solid rgba(0, 229, 192, 0.24);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.hero-subtitle-flag::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
  box-shadow: var(--glow-cyan);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 4.2rem);
  font-weight: 800;
  line-height: 1.24;
  color: var(--text-hi);
  margin-bottom: 24px;
}

.hero h1 span {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: 17px;
  color: #d5dce8;
  line-height: 1.9;
  margin-bottom: 34px;
  max-width: 640px;
}

.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.hero-media {
  position: relative;
  z-index: 2;
  display: block;
}

.hero-media-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(123, 97, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  transform: rotate(1deg) translateY(4px);
}

.hero-media-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  opacity: 0.92;
}

.hero-media-card::after {
  content: "乐虎游戏";
  position: absolute;
  right: 16px;
  bottom: 12px;
  font-weight: 800;
  font-size: 24px;
  font-family: var(--font-latin);
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

/* ===== 可信标识条 ===== */
.trust-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  padding: 18px 0;
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 40px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
}

.trust-item::before {
  content: "✓";
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(0, 229, 192, 0.12);
  border: 1px solid rgba(0, 229, 192, 0.28);
  color: var(--cyan);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 20px;
}

/* ===== 通用区块 ===== */
.section-block {
  padding: 92px 0;
  position: relative;
}

.section-head {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.section-eyebrow::before {
  content: "";
  width: 38px;
  height: 4px;
  background: var(--grad-brand);
  border-radius: 999px;
  box-shadow: var(--glow-cyan);
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--text-hi);
  margin-bottom: 14px;
}

.section-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  margin-top: 10px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--cyan);
  font-weight: 600;
  gap: 4px;
  border-bottom: 1px solid transparent;
}

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

/* ===== 主题板块 ===== */
.topic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 192, 0.24);
  box-shadow: var(--shadow-glow);
}

.topic-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 58% 42%;
  min-height: 250px;
}

.topic-media {
  overflow: hidden;
  background: #141b27;
  position: relative;
  min-height: 190px;
}

.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
  min-height: 190px;
}

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

.topic-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 35%, rgba(0, 0, 0, 0.2));
}

.topic-tag-wrap {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10, 14, 21, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-hi);
  backdrop-filter: blur(6px);
}

.badge--hot {
  color: #fff;
  background: rgba(255, 77, 106, 0.9);
  border-color: transparent;
  box-shadow: 0 0 10px rgba(255, 77, 106, 0.3);
}

.badge--new {
  color: var(--cyan);
  border-color: rgba(0, 229, 192, 0.5);
  background: rgba(0, 229, 192, 0.1);
}

.badge--gold {
  color: #1a130b;
  background: var(--gold);
  border-color: transparent;
}

.topic-content {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.topic-content h3 {
  font-size: 20px;
  line-height: 1.4;
  color: var(--text-hi);
}

.topic-content h3 a {
  color: inherit;
}

.topic-content h3 a:hover {
  color: var(--cyan);
}

.topic-content p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.75;
}

.link-more {
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan);
}

.link-more:hover {
  text-shadow: 0 0 12px rgba(0, 229, 192, 0.4);
}

@media (min-width: 1024px) {
  .topic-card:nth-child(2),
  .topic-card:nth-child(3),
  .topic-card:nth-child(4),
  .topic-card:nth-child(5) {
    min-height: 330px;
  }
}

/* ===== 数据优势 ===== */
.feature-dark {
  background: rgba(8, 11, 17, 0.5);
  border-block: 1px solid var(--line);
  position: relative;
}

.feature-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(110deg, rgba(123, 97, 255, 0.08), transparent 42%, rgba(0, 229, 192, 0.08));
  pointer-events: none;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.advantage-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  overflow: hidden;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.advantage-card::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 3px;
  left: 0;
  bottom: 0;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  background: rgba(0, 229, 192, 0.04);
  border-color: rgba(0, 229, 192, 0.2);
  box-shadow: 0 0 30px rgba(123, 97, 255, 0.12);
}

.advantage-card:hover::after {
  opacity: 1;
}

.advantage-num {
  font-size: clamp(2.1rem, 3.4vw, 3rem);
  font-weight: 800;
  font-family: var(--font-latin);
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  display: block;
  margin-bottom: 12px;
}

.advantage-card h3 {
  color: var(--text-hi);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.advantage-card p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.65;
}

/* ===== 混合版块 ===== */
.hybrid-block {
  background: transparent;
}

.hybrid-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 34px;
  align-items: start;
}

.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.knowledge-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(123, 97, 255, 0.26);
}

.knowledge-card-top {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 170px;
}

.knowledge-card-top img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.knowledge-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.knowledge-title {
  color: var(--text-hi);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
}

.knowledge-card-body p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

.knowledge-tagline {
  font-size: 13px;
  color: var(--cyan);
  font-weight: 500;
}

/* ===== 资讯面板 ===== */
.info-panel {
  background: rgba(21, 28, 42, 0.85);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  align-self: start;
  position: relative;
  overflow: hidden;
}

.info-panel::before {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  right: -45px;
  top: -45px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 192, 0.13), transparent 70%);
  pointer-events: none;
}

.info-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 24px;
}

.info-panel-header h3 {
  color: var(--text-hi);
  font-size: 20px;
  font-weight: 700;
}

.info-panel-header span {
  background: rgba(255, 77, 106, 0.12);
  border: 1px solid rgba(255, 77, 106, 0.32);
  color: var(--pink);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 610px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) transparent;
  padding-right: 4px;
}

.news-item {
  display: block;
  padding: 14px 10px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  position: relative;
}

.news-item + .news-item {
  border-top-color: transparent;
}

.news-item:hover {
  background: linear-gradient(90deg, rgba(0, 229, 192, 0.06), transparent 70%);
  border-color: rgba(255, 255, 255, 0.05);
}

.news-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 77, 106, 0.4);
  color: #ff8ba0;
  margin-bottom: 7px;
}

.news-title {
  color: var(--text-hi);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

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

.news-excerpt {
  margin: 7px 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--text-soft);
}

.news-meta span {
  color: var(--cyan);
}

.empty-state {
  text-align: center;
  padding: 52px 14px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: 18px;
}

.empty-state-icon {
  font-size: 42px;
  width: 82px;
  height: 82px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, var(--cyan), rgba(123, 97, 255, 0.4));
  display: flex;
  align-items: center;
  justify-content: center;
  filter: blur(0.2px);
}

.empty-state-icon span {
  font-size: 32px;
  color: #0a0e17;
  font-weight: 800;
}

.empty-state h4 {
  color: var(--text-hi);
  font-size: 16px;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-soft);
  font-size: 14px;
}

/* ===== 流程 ===== */
.process-block {
  background: rgba(0, 0, 0, 0.14);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 26px 18px 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.process-step:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 229, 192, 0.26);
  box-shadow: 0 0 22px rgba(0, 229, 192, 0.1);
}

.step-dot {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  font-family: var(--font-latin);
  color: #0a0e17;
  margin-bottom: 16px;
  box-shadow: 0 0 16px rgba(0, 229, 192, 0.25);
}

.process-step:nth-child(1) .step-dot { color: #081018; }
.process-step:nth-child(2) .step-dot { color: #081018; }
.process-step h3 {
  color: var(--text-hi);
  font-size: 18px;
  margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-block {
  background: transparent;
}

.faq-layout {
  max-width: 860px;
  margin: 0 auto;
}

.faq-title-bar {
  text-align: center;
  margin-bottom: 48px;
}

.faq-title-bar .section-eyebrow {
  justify-content: center;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  padding: 0 24px;
  margin-bottom: 14px;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.faq-list details[open] {
  border-color: rgba(0, 229, 192, 0.2);
  background: linear-gradient(90deg, rgba(0, 229, 192, 0.06), transparent);
  box-shadow: 0 0 20px rgba(0, 229, 192, 0.06);
}

.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 19px 0;
  cursor: pointer;
  color: var(--text-hi);
  font-size: 16px;
  font-weight: 600;
}

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

.faq-list summary:hover {
  color: var(--cyan);
}

.faq-q-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 229, 192, 0.12);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
  color: var(--cyan);
  margin-right: 12px;
}

.faq-summary-left {
  display: flex;
  align-items: center;
  flex: 1;
}

.faq-toggle-icon {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 17px;
  transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.faq-list details[open] .faq-toggle-icon {
  transform: rotate(45deg);
  color: var(--cyan);
  border-color: var(--cyan);
}

.faq-answer {
  padding: 0 0 22px 42px;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.85;
  border-left: 1px solid rgba(0, 229, 192, 0.13);
  margin-left: 13px;
}

/* ===== CTA ===== */
.cta-section {
  padding-top: 90px;
  padding-bottom: 90px;
}

.cta-banner {
  position: relative;
  border-radius: 30px;
  background: linear-gradient(127deg, #00dfb8 0%, #00b6ff 26%, #7b61ff 72%, #9b5cff 100%);
  overflow: hidden;
  padding: 64px 44px;
  text-align: center;
  color: #0b0f18;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.2), transparent 26%),
    radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.16), transparent 26%);
  pointer-events: none;
}

.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 5% 10%, rgba(255, 255, 255, 0.14) 2px, transparent 2px);
  background-size: 24px 24px;
  opacity: 0.25;
  pointer-events: none;
}

.cta-banner h2 {
  position: relative;
  font-size: clamp(1.7rem, 3.8vw, 3rem);
  font-weight: 800;
  color: #081018;
  margin-bottom: 12px;
  line-height: 1.25;
}

.cta-banner p {
  position: relative;
  font-size: 16px;
  color: rgba(8, 16, 24, 0.76);
  font-weight: 500;
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.8;
}

.cta-banner .btn-dark-cta {
  position: relative;
  background: #0d111a;
  color: var(--cyan);
  height: 52px;
  padding: 0 32px;
  font-size: 17px;
}

.cta-banner .btn-dark-cta:hover {
  background: var(--pink);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--line);
  color: var(--text-soft);
}

.footer-main {
  padding: 62px 0 42px;
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 2fr;
  gap: 38px;
}

.footer-brand {
  max-width: 360px;
}

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

.footer-desc {
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 24px;
}

.social-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--text-soft);
  transition: all 0.2s ease;
}

.social-btn:hover {
  color: var(--cyan);
  border-color: rgba(0, 229, 192, 0.4);
  background: rgba(0, 229, 192, 0.06);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

.footer-col-title {
  color: var(--text-hi);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 22px;
}

.footer-links a {
  display: block;
  color: var(--text-soft);
  font-size: 14px;
  padding: 5px 0;
  line-height: 1.7;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: var(--text-soft);
}

.footer-bottom a {
  color: var(--text-soft);
}

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

.health-tip {
  position: relative;
  background: linear-gradient(90deg, rgba(0, 229, 192, 0.06), rgba(123, 97, 255, 0.05));
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.health-tip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  min-height: 64px;
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
}

.health-tip .tip-mark {
  flex: 0 0 auto;
  color: var(--cyan);
  font-weight: 700;
  border: 1px solid rgba(0, 229, 192, 0.3);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  background: rgba(0, 229, 192, 0.08);
}

/* ===== 响应式 ===== */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(11, 14, 20, 0.8);
  border: 1px solid rgba(0, 229, 192, 0.4);
  color: var(--cyan);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 18px rgba(0, 229, 192, 0.15);
  z-index: 80;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.back-to-top:hover {
  background: #141a26;
  transform: translateY(-3px);
}

@media (max-width: 1180px) {
  .main-nav {
    gap: 16px;
  }

  .site-menu {
    gap: 18px;
  }

  .hybrid-layout {
    grid-template-columns: 1fr;
  }

  .info-panel {
    grid-column: 1;
  }
}

@media (max-width: 1024px) {
  .desktop-menu {
    display: none;
  }

  .site-header .desktop-cta {
    display: none;
  }

  .burger {
    display: flex;
  }

  .nav-cta-group {
    display: flex;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 40px;
    min-height: 550px;
  }

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

  .hero-media {
    display: none;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

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

  .footer-main {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
  }

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

@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section-block {
    padding: 58px 0;
  }

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

  .topic-card--wide {
    grid-column: 1;
  }

  .topic-media img,
  .topic-media {
    min-height: 170px;
  }

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

  .knowledge-card-top .topic-media img {
    height: 180px;
    width: 100%;
  }

  .adv-grid,
  .advantage-grid {
    grid-template-columns: 1fr 1fr;
  }

  .faq-list details {
    padding: 0 16px;
  }

  .faq-answer {
    padding-left: 18px;
    margin-left: 4px;
  }

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

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

@media (max-width: 520px) {
  .topbar-info span {
    font-size: 12px;
  }

  .topbar-utils span {
    display: none;
  }

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

  .brand-logo {
    width: 40px;
    height: 40px;
  }

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

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

  .btn-large {
    width: 100%;
  }

  .section-title {
    font-size: 1.65rem;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .info-panel {
    padding: 20px 16px;
  }

  .knowledge-card-body {
    padding: 18px;
  }

  .cta-banner {
    padding: 42px 20px;
  }

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

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

  .health-tip .container {
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .back-to-top {
    width: 44px;
    height: 44px;
  }
}

/* roulang page: article */
:root {
  --bg: #0b0e14;
  --bg2: #111722;
  --panel: rgba(20, 26, 38, 0.72);
  --card: #1b2230;
  --card2: #222b3d;
  --border: rgba(255, 255, 255, 0.07);
  --text: #f2f5fa;
  --text-mid: #c3cad9;
  --text-dim: #8a94a8;
  --muted: #69738b;
  --cyan: #00e5c0;
  --violet: #7b61ff;
  --pink: #ff4d6a;
  --gold: #f7c948;
  --grad: linear-gradient(135deg, #00e5c0 0%, #7b61ff 60%, #9b7bff 100%);
  --hero-grad: linear-gradient(135deg, rgba(0, 229, 192, 0.9), rgba(123, 97, 255, 0.9));
  --r-lg: 22px;
  --r-md: 14px;
  --r-pill: 999px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.36);
  --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 229, 192, 0.22);
  --section-space: clamp(56px, 8vw, 100px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(123, 97, 255, 0.08), transparent 60%),
              radial-gradient(900px 500px at 10% 20%, rgba(0, 229, 192, 0.06), transparent 55%),
              linear-gradient(145deg, var(--bg), var(--bg2));
  background-attachment: fixed;
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.024) 1px, transparent 1px);
  background-size: 44px 44px;
}
a { color: var(--cyan); text-decoration: none; transition: color .24s, border-color .24s, background .24s, transform .24s; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
img { max-width: 100%; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
ul, ol { list-style: none; }
:where(button, a) { -webkit-tap-highlight-color: transparent; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border-radius: var(--r-pill);
  padding: 0 26px; height: 46px;
  font-size: 15px; font-weight: 700; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer;
  transition: all .24s ease; white-space: nowrap;
}
.btn-primary {
  background: var(--grad); color: #080b12;
  box-shadow: 0 4px 22px rgba(0, 229, 192, 0.22);
  border: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 10px 30px rgba(0, 229, 192, 0.35), 0 4px 16px rgba(123, 97, 255, 0.3);
  color: #05070a;
}
.btn-primary:active, .btn-dark:active, .btn-ghost:active { transform: scale(.97); }
.btn-ghost {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.24);
  color: #eef3fc;
}
.btn-ghost:hover { border-color: var(--cyan); background: rgba(0,229,192,.07); color: #fff; }
.btn-dark {
  background: #0c111a; color: var(--cyan);
  box-shadow: 0 8px 30px rgba(0,0,0,.35);
}
.btn-dark:hover {
  background: linear-gradient(135deg, #ff4d6a, #ff7a59);
  color: #fff; box-shadow: 0 12px 30px rgba(255,77,106,.35);
  transform: translateY(-3px);
}
.text-link { color: var(--cyan); font-weight: 600; }
.text-link:hover { color: #8ffff0; text-shadow: 0 0 12px rgba(0,229,192,.6); }

/* Header */
.site-header { position: relative; z-index: 50; background: rgba(9,12,18,0.82); backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid rgba(255,255,255,0.05); }
.topbar { border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 13px; color: var(--text-dim); }
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 38px; gap: 16px; }
.topbar-info { display: flex; align-items: center; gap: 10px; color: var(--text-dim); }
.topbar-info .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px rgba(0,229,192,.9); flex: none; }
.topbar-utils { display: flex; align-items: center; gap: 18px; }
.topbar-utils span { color: var(--text-dim); cursor: default; }
.main-nav { display: flex; align-items: center; gap: 28px; min-height: 74px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-logo { width: 42px; height: 42px; flex: none; }
.brand-text { color: #fff; font-size: 19px; letter-spacing: .02em; display: flex; flex-direction: column; line-height: 1.1; font-weight: 700; }
.brand-text b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; font-size: 21px; font-family: "Rajdhani","Barlow Condensed","DIN Alternate",Impact,sans-serif; letter-spacing: .02em; }
.brand-text small { font-size: 10px; color: var(--text-dim); letter-spacing: .16em; font-weight: 600; }
.site-menu { margin-left: auto; }
.site-menu ul { display: flex; align-items: center; gap: 26px; }
.site-menu a { color: var(--text-mid); font-size: 15px; font-weight: 500; padding: 22px 0 12px; position: relative; border-bottom: 2px solid transparent; }
.site-menu a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 6px; height: 2px; border-radius: 99px; background: var(--grad); transition: right .3s ease; }
.site-menu a:hover { color: #fff; }
.site-menu a:hover::after, .site-menu a.active::after { right: 0; }
.site-menu a.active { color: #fff; text-shadow: 0 0 18px rgba(0,229,192,.4); }
.nav-cta-group { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.site-menu .menu-highlight { color: var(--cyan); }
.burger { width: 44px; height: 44px; border-radius: 12px; background: transparent; border: 1px solid var(--border); color: #eaf3ff; font-size: 22px; cursor: pointer; display: none; place-items: center; }
.burger i { font-style: normal; line-height: 1; }
.burger:hover { border-color: var(--cyan); box-shadow: var(--glow); }

/* drawer */
.drawer-mask { position: fixed; inset: 0; background: rgba(4,6,10,.7); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 90; }
.drawer-mask.open { opacity: 1; pointer-events: auto; }
.drawer { position: fixed; top: 0; right: 0; width: min(88vw, 360px); height: 100dvh; z-index: 95; background: rgba(11,14,20,.97); backdrop-filter: blur(18px); padding: 26px 24px 36px; transform: translateX(105%); transition: transform .4s cubic-bezier(.2,.8,.2,1); border-left: 1px solid rgba(0,229,192,0.15); display: flex; flex-direction: column; gap: 18px; overflow-y: auto; }
.drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-close { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: transparent; color: #cfd9ea; font-size: 18px; cursor: pointer; }
.drawer ul li { border-bottom: 1px solid rgba(255,255,255,0.05); }
.drawer ul a { display: flex; align-items: center; justify-content: space-between; padding: 13px 4px; color: #cbd5e6; font-weight: 500; font-size: 15px; }
.drawer ul a.active, .drawer ul a:hover { color: var(--cyan); }
.drawer ul svg { opacity: .5; }

/* Page hero */
.page-top { background: linear-gradient(135deg, rgba(15,18,26,.62), rgba(12,14,21,.72)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat; border-bottom: 1px solid rgba(255,255,255,0.05); padding: clamp(54px, 9vw, 100px) 0 64px; position: relative; }
.page-top::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,229,192,.6), rgba(123,97,255,.6), transparent); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px 4px; align-items: center; color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb strong { color: var(--text-mid); font-weight: 600; }
.crumb-sep { opacity: .4; margin: 0 4px; }

/* article layout */
.article-main { padding: clamp(40px, 6vw, 72px) 0 58px; }
.article-column { max-width: 780px; margin: 0 auto; }
.post-meta { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; color: var(--text-dim); font-size: 13px; margin-bottom: 18px; }
.post-meta .meta-tag { padding: 5px 12px; border: 1px solid rgba(255,77,106,0.45); color: #ff8ca0; border-radius: 999px; font-weight: 600; font-size: 12px; letter-spacing: .04em; }
.post-crumb { display: flex; align-items: center; gap: 6px; }
.article-title { color: var(--text); font-size: clamp(1.8rem, 4vw, 2.9rem); font-weight: 800; line-height: 1.24; margin-bottom: 18px; }
.article-title .accent-grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.post-divider { height: 1px; background: linear-gradient(90deg, rgba(0,229,192,.4), var(--border), transparent); margin: 26px 0 30px; }
/* content */
.post-body { font-size: 16.5px; color: #d7deeb; line-height: 1.95; overflow-wrap: break-word; }
.post-body h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.4; color: #fff; margin: 42px 0 16px; padding-left: 16px; position: relative; }
.post-body h2::before { content: ""; position: absolute; left: 0; top: .18em; width: 4px; height: .9em; border-radius: 8px; background: var(--grad); }
.post-body h3 { font-size: 1.3rem; color: #f4f6fb; margin: 30px 0 12px; }
.post-body h4 { font-size: 1.13rem; color: #e6ebf4; margin: 22px 0 10px; }
.post-body p { margin-bottom: 18px; }
.post-body a { text-decoration: underline; text-decoration-color: rgba(0,229,192,.4); text-underline-offset: 3px; }
.post-body a:hover { color: #a9fff0; text-decoration-color: #fff; }
.post-body ul, .post-body ol { margin: 18px 0 24px; padding-left: 24px; }
.post-body ul li, .post-body ol li { margin-bottom: 10px; position: relative; }
.post-body ul li::before { content: ""; position: absolute; left: -17px; top: .68em; width: 6px; height: 6px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.post-body ol { list-style-type: decimal; }
.post-body ol li::marker { color: var(--cyan); font-weight: 600; }
.post-body img { border-radius: 18px; margin: 26px 0; box-shadow: var(--shadow); }
.post-body blockquote { border-left: 3px solid transparent; border-image: linear-gradient(180deg, var(--cyan), var(--violet)) 1; background: rgba(255,255,255,.03); padding: 18px 22px; border-radius: 0 14px 14px 0; margin: 24px 0; color: var(--text-mid); font-size: 16px; }
.post-body blockquote p:last-child { margin-bottom: 0; }
.post-body code { background: rgba(0,229,192,.08); color: #96fff0; font-size: .9em; padding: 3px 8px; border-radius: 7px; border: 1px solid rgba(0,229,192,.16); }
.post-body pre { background: #0d121b; border: 1px solid rgba(255,255,255,.06); border-radius: 16px; padding: 18px 20px; overflow: auto; margin: 24px 0; }
.post-body pre code { background: transparent; border: none; color: #bcf6ec; }
.post-body table { width: 100%; border-collapse: collapse; margin: 24px 0; border-radius: 14px; overflow: hidden; }
.post-body th, .post-body td { border: 1px solid rgba(255,255,255,.09); padding: 10px 14px; text-align: left; }
.post-body th { background: rgba(0,229,192,.08); color: #ebfffb; font-weight: 600; }

/* tagzone */
.post-footer-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-top: 40px; }
.post-tag-row { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.post-tag-row span { font-size: 14px; color: var(--text-dim); margin-right: 4px; }
.mini-tag { font-size: 12.5px; background: rgba(255,77,106,.08); border: 1px solid rgba(255,77,106,.28); color: #ffb0bf; padding: 5px 12px; border-radius: 999px; }
.mini-tag:hover { border-color: var(--pink); color: #ffe3ec; }
.post-nav-row { display: flex; gap: 10px; flex-wrap: wrap; }
.post-nav-row a { display: inline-flex; align-items: center; gap: 5px; color: var(--text-dim); border: 1px solid var(--border); padding: 7px 14px; border-radius: 999px; font-size: 13px; }
.post-nav-row a:hover { color: var(--cyan); border-color: var(--cyan); background: rgba(0,229,192,.05); }
.section-block { padding: var(--section-space) 0; border-top: 1px solid rgba(255,255,255,0.045); position: relative; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; letter-spacing: .02em; }
.section-title-left { display: flex; align-items: center; gap: 14px; }
.section-title-left .bar { width: 5px; height: 32px; border-radius: 8px; background: var(--grad); box-shadow: 0 0 14px rgba(0,229,192,.4); }
.sub-caption { color: var(--text-dim); font-size: 15px; }

/* not found */
.not-found-box { text-align: center; padding: 48px 20px; }
.nf-code { font-size: clamp(60px, 10vw, 100px); line-height: 1; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: .05em; opacity: .9; }
.not-found-box h1 { font-size: 28px; margin: 16px 0 10px; color: #fff; }
.not-found-box p { color: var(--text-dim); margin-bottom: 24px; }

/* related cards */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; position: relative; display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s linear, border-color .3s; }
.info-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0; transition: opacity .3s; z-index: 2; }
.info-card:hover { transform: translateY(-6px); border-color: rgba(0,229,192,.22); box-shadow: var(--shadow-hover); background: var(--card2); }
.info-card:hover::before { opacity: 1; }
.ic-cover { position: relative; aspect-ratio: 16/9; background: #141a24; overflow: hidden; }
.ic-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.6,.3,1); }
.info-card:hover .ic-cover img { transform: scale(1.05); }
.ic-chip { position: absolute; left: 12px; top: 12px; background: linear-gradient(135deg, #ff4d6a, #ff7a59); color: #fff; font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 999px; letter-spacing: .05em; box-shadow: 0 4px 14px rgba(255,77,106,.3); }
.ic-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ic-body h3 { font-size: 17px; line-height: 1.45; color: #eaf1fa; font-weight: 700; }
.ic-body h3 a { color: inherit; }
.ic-body h3 a:hover { color: var(--cyan); }
.ic-body p { color: var(--text-dim); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ic-meta { margin-top: auto; display: flex; gap: 12px; color: var(--muted); font-size: 12.5px; align-items: center; }
.ic-meta a { margin-left: auto; color: var(--cyan); font-size: 13px; font-weight: 600; }

/* FAQ block */
.faq-list { display: grid; gap: 14px; max-width: 1000px; margin: 0 auto; }
.faq-item { background: rgba(255,255,255,.025); border: 1px solid var(--border); border-radius: var(--r-md); padding: 4px 22px; transition: border-color .28s, background .28s; }
.faq-item:hover { border-color: rgba(0,229,192,.3); background: rgba(0,229,192,.02); }
.faq-item[open] { border-color: rgba(0,229,192,.42); background: linear-gradient(100deg, rgba(0,229,192,.05), rgba(255,255,255,.015) 45%); }
.faq-item summary { list-style: none; display: flex; align-items: center; gap: 12px; cursor: pointer; padding: 16px 0; color: #e7edf7; font-size: 16px; font-weight: 600; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .q-icon { width: 26px; height: 26px; border-radius: 50%; background: var(--grad); color: #071118; font-size: 14px; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.faq-item .plus-dot { margin-left: auto; width: 26px; height: 26px; flex: none; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); display: inline-flex; align-items: center; justify-content: center; color: var(--text-dim); transition: transform .3s, background .3s, color .3s; position: relative; }
.faq-item .plus-dot::before, .faq-item .plus-dot::after { content: ""; position: absolute; width: 10px; height: 2px; background: currentColor; border-radius: 4px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-item .plus-dot::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .plus-dot { transform: rotate(45deg); background: rgba(0,229,192,.14); border-color: var(--cyan); color: var(--cyan); }
.faq-item .faq-answer { padding: 0 0 18px 38px; color: var(--text-mid); font-size: 14.5px; border-left: 0; }
.faq-item .faq-answer p { margin-bottom: 8px; }

/* CTA banner */
.cta-section { padding: var(--section-space) 0; }
.cta-banner { border-radius: 28px; padding: clamp(40px, 6vw, 72px) 32px; text-align: center; position: relative; overflow: hidden; background: linear-gradient(125deg, #00c9ab 0%, #7b61ff 45%, #9457ff 100%); border: 1px solid rgba(255,255,255,.14); }
.cta-banner::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 18% 20%, rgba(255,255,255,.16), transparent 30%), radial-gradient(circle at 80% 70%, rgba(255,255,255,.14), transparent 34%); }
.cta-banner::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 30px 30px; mask-image: radial-gradient(circle at center, black 20%, transparent 78%); }
.cta-banner .cta-inner { position: relative; z-index: 2; }
.cta-banner h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); color: #fff; font-weight: 800; margin-bottom: 12px; text-shadow: 0 4px 18px rgba(0,0,0,.18); }
.cta-banner p { color: rgba(255,255,255,.92); opacity: .9; font-size: 15.5px; max-width: 620px; margin: 0 auto 26px; }

/* safety line */
.safety-line { display: flex; gap: 12px; align-items: flex-start; justify-content: center; background: rgba(255,255,255,.025); border: 1px solid rgba(255,255,255,.07); border-radius: 14px; padding: 14px 20px; margin-top: clamp(40px, 6vw, 68px); }
.safety-line .shield { color: var(--gold); flex: none; margin-top: 4px; }
.safety-line p { font-size: 13px; color: var(--text-mid); letter-spacing: .02em; }

/* Footer */
.site-footer { background: #080a10; border-top: 1px solid rgba(255,255,255,.04); padding-top: clamp(48px, 8vw, 74px); position: relative; }
.footer-main { display: grid; grid-template-columns: 4.2fr 2fr 2fr 2.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-desc { color: var(--text-dim); font-size: 14px; max-width: 340px; margin-bottom: 18px; line-height: 1.8; }
.social-row { display: flex; gap: 10px; }
.social-btn { width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; color: var(--text-dim); transition: all .28s; background: rgba(255,255,255,.02); }
.social-btn:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 14px rgba(0,229,192,.28); transform: translateY(-3px); }
.footer-col h4 { font-size: 15px; color: #eaf0fa; font-weight: 600; letter-spacing: .03em; margin-bottom: 16px; position: relative; padding-left: 12px; }
.footer-col h4::before { content: ""; position: absolute; left: 0; top: .3em; width: 3px; height: 16px; border-radius: 5px; background: var(--grad); }
.footer-col ul { display: grid; gap: 10px; }
.footer-col ul a { color: var(--text-dim); font-size: 14px; display: inline-block; transition: all .22s; }
.footer-col ul a:hover { color: var(--cyan); transform: translateX(3px); }
.footer-contact { display: grid; gap: 10px; color: var(--text-dim); font-size: 14px; }
.footer-contact strong { color: #e8eef7; font-weight: 600; font-size: 15px; }
.footer-divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.08) 12%, rgba(0,229,192,.25) 50%, rgba(255,255,255,.08) 88%, transparent); border: 0; }
.footer-safe { color: #aeb8c9; text-align: center; font-size: 13px; padding: 18px 0 8px; letter-spacing: .04em; display: flex; align-items: center; justify-content: center; gap: 9px; flex-wrap: wrap; }
.footer-safe b { color: #e5eaf3; font-weight: 500; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.045); margin-top: 22px; }
.footer-bottom .container { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; padding-top: 18px; padding-bottom: 22px; color: #626c82; font-size: 13px; }
.footer-bottom .copy { color: #6e7890; }

@media (max-width: 1024px) {
  .site-menu { display: none; }
  .burger { display: inline-flex; }
  .desktop-cta { display: none; }
  .main-nav { min-height: 64px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-col { width: 100%; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .topbar-info span { max-width: 78vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar-utils span:first-child { display: none; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .df-2col { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; }
  .brand-text { font-size: 17px; }
  .article-column { font-size: 15px; }
  .post-footer-links { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
  .topbar-utils span { font-size: 12px; }
  .page-top { padding-top: 48px; }
  .faq-item { padding: 4px 16px; }
  .faq-item summary { font-size: 15px; }
}

/* roulang page: category1 */
:root{
  --bg-a:#0b0e14;
  --bg-b:#111722;
  --surface:#171e2b;
  --surface-2:#1c2230;
  --surface-3:#232b3c;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --ink:#f2f5fa;
  --ink-2:#c3cad9;
  --ink-3:#8a94a8;
  --cyan:#00e5c0;
  --violet:#7b61ff;
  --pink:#ff4d6a;
  --gold:#f7c948;
  --ok:#00e5c0;
  --warn:#ffb020;
  --err:#ff5470;
  --info:#5c9cff;
  --grad-main:linear-gradient(135deg,#00e5c0 0%,#7b61ff 100%);
  --grad-soft:linear-gradient(125deg,rgba(0,229,192,.16),rgba(123,97,255,.16));
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-float:0 16px 40px rgba(0,0,0,.6),0 0 0 1px rgba(0,229,192,.15);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:Rajdhani,"Barlow Condensed","DIN Alternate",Impact,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-cn);
  background:
    radial-gradient(circle at 86% 8%,rgba(123,97,255,.14),transparent 28%),
    radial-gradient(circle at 8% 32%,rgba(0,229,192,.08),transparent 24%),
    linear-gradient(135deg,var(--bg-a),var(--bg-b));
  color:var(--ink);
  line-height:1.75;
  font-size:16px;
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),rgba(0,0,0,.05));
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:#0b0e14}
::-webkit-scrollbar-thumb{background:#29324a;border-radius:10px;border:3px solid #0b0e14}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:1240px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}
.skip-link{
  position:absolute;
  left:-999px;top:0;
  background:var(--cyan);
  color:#0a0e17;
  font-weight:700;
  padding:10px 16px;
  border-radius:0 0 12px 0;
  z-index:999;
}
.skip-link:focus{left:0;color:#0a0e17}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  color:#0a0e17;
  background:linear-gradient(135deg,#00dcc0,#7b61ff);
  box-shadow:0 8px 24px rgba(0,229,192,.24);
}
.btn-primary:hover{
  background:linear-gradient(115deg,#00f0cf,#8b73ff);
  box-shadow:0 10px 30px rgba(0,229,192,.35);
  transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.18);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(0,229,192,.1);
  border-color:rgba(0,229,192,.72);
  color:#fff;
  transform:translateY(-2px);
}
.btn-dark{
  background:#0b0e14;
  color:var(--cyan);
  border:1px solid rgba(0,229,192,.4);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.btn-dark:hover{
  background:var(--pink);
  border-color:var(--pink);
  color:#0b0e14;
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(255,77,106,.3);
}
.more-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--cyan);
  font-weight:600;
  font-size:14px;
  transition:color .2s ease,gap .2s ease;
}
.more-link:hover{color:#fff;gap:10px}
.text-grad{
  background:linear-gradient(120deg,#00e5c0 10%,#7b61ff 90%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(9,12,18,.84);
  backdrop-filter:saturate(170%) blur(16px);
  -webkit-backdrop-filter:saturate(170%) blur(16px);
  border-bottom:1px solid var(--line);
}
.topbar{
  border-bottom:1px solid rgba(255,255,255,.05);
  background:rgba(4,6,10,.55);
  font-size:13px;
  color:var(--ink-3);
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:34px;
  gap:16px;
}
.topbar-info{display:inline-flex;align-items:center;gap:8px}
.topbar-info i{
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:50%;
  box-shadow:0 0 10px var(--cyan);
  display:inline-block;
}
.topbar-utils{display:inline-flex;gap:4px}
.topbar-utils span{
  padding:0 10px;
  border-right:1px solid rgba(255,255,255,.1);
  cursor:default;
}
.topbar-utils span:last-child{border-right:0}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:78px;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:48px;
  flex-shrink:0;
}
.brand-logo{
  width:42px;height:42px;
  filter:drop-shadow(0 0 12px rgba(0,229,192,.36));
}
.brand-text{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  line-height:1.1;
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.06em;
}
.brand-text b{
  font-family:var(--font-num);
  font-size:25px;
  line-height:1;
  color:#fff;
  letter-spacing:.02em;
  font-weight:700;
}
.brand-text small{
  font-size:10px;
  text-transform:uppercase;
  letter-spacing:.16em;
  color:var(--cyan);
  margin-top:3px;
  font-family:var(--font-num);
}
.site-menu ul{
  display:flex;
  align-items:center;
  gap:8px;
}
.site-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  color:var(--ink-2);
  font-size:15px;
  font-weight:500;
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.site-menu a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:3px;
  border-radius:4px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
  box-shadow:0 0 14px rgba(0,229,192,.55);
  transform:translateX(-50%);
  transition:width .28s ease;
}
.site-menu a:hover{color:#fff;background:rgba(255,255,255,.04)}
.site-menu a:hover::after{width:22px}
.site-menu a.active{color:var(--cyan);background:rgba(0,229,192,.07)}
.site-menu a.active::after{width:26px}
.burger{
  display:none;
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:#fff;
  font-size:22px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:border-color .2s,background .2s;
}
.burger:hover{background:rgba(0,229,192,.12);border-color:var(--cyan)}
.nav-cta-group{display:flex;align-items:center;gap:14px}
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  pointer-events:none;
  visibility:hidden;
}
.mobile-drawer .drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(6,8,12,.78);
  backdrop-filter:blur(6px);
  opacity:0;
  transition:opacity .3s ease;
}
.mobile-drawer .drawer-panel{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,#111722,#0a0e17);
  border:none;
  overflow-y:auto;
  padding:110px 28px 48px;
  transform:translateY(100%);
  transition:transform .36s cubic-bezier(.22,.9,.32,1);
}
.drawer-panel .brand{
  position:absolute;
  top:24px;left:28px;
}
.drawer-close{
  position:absolute;
  top:20px;right:24px;
  width:48px;height:48px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:#fff;
  font-size:22px;
  cursor:pointer;
  transition:background .2s,color .2s;
}
.drawer-close:hover{background:var(--pink);color:#fff}
.drawer-nav li + li{margin-top:8px}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 18px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.07);
  background:rgba(255,255,255,.03);
  color:var(--ink);
  font-size:18px;
  font-weight:600;
  transition:background .2s,border-color .2s,color .2s;
}
.drawer-nav a:hover{color:var(--cyan);border-color:rgba(0,229,192,.5);background:rgba(0,229,192,.08)}
.drawer-nav a.active{color:var(--cyan);background:rgba(0,229,192,.12)}
.mobile-drawer.drawer-open{pointer-events:auto;visibility:visible}
.mobile-drawer.drawer-open .drawer-mask{opacity:1}
.mobile-drawer.drawer-open .drawer-panel{transform:translateY(0)}
.cat-hero{
  position:relative;
  min-height:640px;
  display:flex;
  align-items:center;
  padding:96px 0 80px;
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.webp') no-repeat center 30%/cover;
  transform:scale(1.04);
}
.cat-hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(115deg,rgba(8,11,17,.94) 0%,rgba(10,14,23,.82) 45%,rgba(14,13,35,.64) 100%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.028) 0 1px,transparent 1px 18px);
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-160px;
  bottom:-220px;
  width:520px;
  height:520px;
  background:rgba(123,97,255,.16);
  filter:blur(80px);
  border-radius:50%;
  z-index:0;
}
.cat-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:60px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-pill);
  padding:8px 18px;
  font-size:13px;
  font-weight:600;
  color:var(--cyan);
  letter-spacing:.08em;
  text-transform:uppercase;
  font-family:var(--font-num);
}
.cat-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.5rem);
  line-height:1.2;
  margin:22px 0 20px;
  letter-spacing:-.01em;
  font-weight:800;
}
.cat-hero h1 .brand-hero{
  display:block;
  font-family:var(--font-num);
  font-size:.62em;
  color:var(--ink-3);
  font-weight:600;
  letter-spacing:.1em;
  margin-bottom:6px;
}
.cat-hero h1 .guide-highlight{
  color:var(--cyan);
  text-shadow:0 0 30px rgba(0,229,192,.36);
}
.cat-hero-desc{
  max-width:560px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  margin-top:30px;
  color:var(--ink-3);
  font-size:13px;
}
.hero-note em{
  font-style:normal;
  color:var(--cyan);
  font-weight:600;
}
.hero-card{
  position:relative;
  border-radius:28px;
  padding:10px;
  background:var(--grad-main);
  box-shadow:0 24px 64px rgba(0,0,0,.52),0 0 50px rgba(123,97,255,.22);
  transform:rotate(1.6deg);
}
.hero-card-inner{
  overflow:hidden;
  border-radius:20px;
  background:#0c111b;
  padding:14px;
}
.hero-card img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border-radius:14px;
}
.hero-card-tagline{
  position:absolute;
  left:-10px;
  bottom:26px;
  background:rgba(8,11,17,.72);
  backdrop-filter:blur(10px);
  border:1px solid rgba(0,229,192,.3);
  color:#fff;
  border-radius:14px;
  padding:10px 14px;
  font-size:13px;
  line-height:1.5;
  box-shadow:0 12px 28px rgba(0,0,0,.5);
}
.hero-card-tagline b{color:var(--cyan)}
.trust-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
  padding:20px 0;
}
.trust-strip ul{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px 36px;
}
.trust-strip li{
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--ink-2);
  font-size:14px;
}
.trust-strip li::before{
  content:"";
  width:22px;height:22px;
  background:
    linear-gradient(135deg,var(--cyan),var(--violet));
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
  background-color:var(--cyan);
}
.content-section{
  padding:clamp(56px,7vw,104px) 0;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.content-section .section-head{
  max-width:720px;
  margin:0 auto 46px;
  text-align:center;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  text-transform:uppercase;
  color:var(--cyan);
  font-weight:600;
  font-size:14px;
  letter-spacing:.16em;
  margin-bottom:10px;
}
.section-eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--pink);
  box-shadow:0 0 10px var(--pink);
}
.section-head h2{
  font-size:clamp(1.8rem,3.4vw,2.8rem);
  font-weight:800;
  line-height:1.25;
  margin-bottom:12px;
}
.section-head p{
  color:var(--ink-3);
  font-size:15px;
}
.grid-benefit{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:20px;
}
.benefit-card{
  grid-column:span 4;
  background:rgba(255,255,255,.028);
  border:1px solid var(--line);
  border-radius:20px;
  padding:30px 24px;
  position:relative;
  overflow:hidden;
  transition:transform .28s,background .28s,border-color .28s,box-shadow .28s;
}
.benefit-card:nth-child(1){grid-column:span 5}
.benefit-card:nth-child(2){grid-column:span 3}
.benefit-card:nth-child(3){grid-column:span 4}
.benefit-card:hover{
  background:rgba(0,229,192,.05);
  border-color:rgba(0,229,192,.34);
  box-shadow:var(--shadow-float);
  transform:translateY(-4px);
}
.benefit-icon{
  width:52px;height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:var(--grad-main);
  font-size:24px;
  box-shadow:0 0 24px rgba(123,97,255,.3);
  margin-bottom:18px;
  color:#0a0e17;
  font-weight:800;
}
.benefit-card h3{font-size:1.2rem;line-height:1.4;margin-bottom:8px}
.benefit-card p{color:var(--ink-3);font-size:14px}
.guide-topics{
  background:
    linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0)),
    rgba(8,10,16,.5);
}
.topic-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:22px;
}
.topic-card{
  position:relative;
  grid-column:span 6;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:28px;
  min-height:250px;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  transition:background .25s,transform .25s,border-color .25s,box-shadow .25s;
}
.topic-card::before{
  content:"";
  position:absolute;
  width:200px;
  height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,97,255,.17),transparent 70%);
  right:-70px;
  top:-70px;
  pointer-events:none;
  transition:transform .3s ease;
}
.topic-card::after{
  content:"";
  width:1px;
  height:46px;
  background:linear-gradient(to bottom,var(--cyan),transparent);
  position:absolute;
  left:26px;
  bottom:-6px;
  opacity:.4;
}
.topic-card:hover{
  transform:translateY(-4px);
  background:var(--surface-2);
  border-color:rgba(123,97,255,.42);
  box-shadow:0 16px 42px rgba(0,0,0,.48),0 0 0 1px rgba(123,97,255,.12);
}
.topic-card--wide{grid-column:span 8}
.topic-card--narrow{grid-column:span 4}
.topic-card .topic-index{
  display:flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(0,229,192,.1);
  border:1px solid rgba(0,229,192,.2);
  color:var(--cyan);
  font-family:var(--font-num);
  font-weight:700;
  font-size:18px;
  margin-bottom:18px;
}
.topic-badge{
  position:absolute;
  right:24px;
  top:24px;
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 10px;
  background:rgba(255,77,106,.1);
  color:var(--pink);
  border:1px solid rgba(255,77,106,.3);
  border-radius:var(--radius-pill);
  font-size:12px;
  font-weight:600;
}
.topic-badge--cyan{background:rgba(0,229,192,.1);color:var(--cyan);border-color:rgba(0,229,192,.3)}
.topic-card h3{font-size:1.28rem;line-height:1.4;margin-bottom:10px}
.topic-card p{
  color:var(--ink-3);
  font-size:14px;
}
.topic-card .more-link{margin-top:20px}
.steps-section{
  padding:clamp(56px,6.5vw,96px) 0;
}
.steps-head{
  max-width:620px;
  margin:0 auto 48px;
  text-align:center;
}
.steps-head h2{font-size:clamp(1.7rem,3vw,2.5rem)}
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:setpCount;
}
.step-card{
  position:relative;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:22px;
  padding:30px 22px 26px;
  text-align:center;
  transition:transform .3s,border-color .3s,background .3s;
}
.step-card::before{
  content:attr(data-step);
  display:block;
  font-family:var(--font-num);
  font-size:clamp(2.2rem,4vw,3.5rem);
  font-weight:600;
  line-height:1;
  background:linear-gradient(130deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  opacity:.95;
  margin-bottom:10px;
}
.step-card::after{
  content:"";
  position:absolute;
  right:-12px;
  top:50%;
  width:24px;
  height:24px;
  transform:translateY(-50%);
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300e5c0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity:.6;
}
.step-card:last-child::after{display:none}
.step-card:hover{
  transform:translateY(-4px);
  background:rgba(123,97,255,.08);
  border-color:rgba(123,97,255,.4);
}
.step-card h3{font-size:1.05rem;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--ink-3)}
.showcase-area{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;
  align-items:center;
}
.showcase-media{
  position:relative;
  border-radius:24px;
  overflow:visible;
}
.showcase-media .box{
  background:linear-gradient(145deg,rgba(0,229,192,.2),rgba(123,97,255,.14));
  padding:10px;
  border-radius:26px;
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.showcase-media img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border-radius:18px;
}
.showcase-media::before{
  content:"";
  position:absolute;
  top:24px;
  left:-20px;
  right:auto;
  width:120px;
  height:120px;
  border-top:2px solid var(--cyan);
  border-left:2px solid var(--cyan);
  border-radius:18px 0 0 0;
  z-index:-1;
  opacity:.7;
}
.showcase-media::after{
  content:"";
  position:absolute;
  right:-20px;
  bottom:24px;
  left:auto;
  width:120px;
  height:120px;
  border-right:2px solid var(--violet);
  border-bottom:2px solid var(--violet);
  border-radius:0 0 18px 0;
  z-index:-1;
  opacity:.7;
}
.showcase-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:26px;
}
.showcase-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:var(--ink-2);
  font-size:14px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
}
.showcase-list li::before{
  content:"";
  flex:0 0 auto;
  width:20px;
  height:20px;
  border-radius:7px;
  background:var(--grad-main);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
  background-color:var(--cyan);
}
.faq-section{
  background:linear-gradient(180deg,rgba(11,14,20,.5),rgba(8,10,16,.7));
  padding:clamp(56px,6.8vw,100px) 0;
}
.faq-wrap{
  max-width:840px;
  margin:0 auto;
  padding:0 10px;
}
.faq-item{
  margin-bottom:10px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.024);
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item:hover{border-color:rgba(0,229,192,.28)}
.faq-item.open{
  background:linear-gradient(90deg,rgba(0,229,192,.06),rgba(123,97,255,.035));
  border-color:rgba(0,229,192,.4);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:64px;
  text-align:left;
  padding:14px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  border:none;
  cursor:pointer;
  transition:background .2s;
}
.faq-q::before{
  content:"问";
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 30px;
  width:30px;height:30px;
  background:linear-gradient(135deg,rgba(0,229,192,.16),rgba(123,97,255,.14));
  border-radius:10px;
  color:var(--cyan);
  font-size:13px;
  font-weight:700;
}
.faq-q .q-text{flex:1}
.faq-q .arrow{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  background:rgba(255,255,255,.03);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-2);
  transition:transform .3s,background .3s,border-color .3s;
}
.faq-item.open .faq-q .arrow{
  transform:rotate(45deg);
  border-color:rgba(0,229,192,.4);
  color:var(--cyan);
  background:rgba(0,229,192,.08);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{
  padding:2px 22px 22px 66px;
  color:var(--ink-2);
  font-size:14px;
  line-height:1.85;
}
.cta-block{
  padding:0 0 90px;
}
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:64px 42px;
  text-align:center;
  background:
    radial-gradient(circle at 12% 20%,rgba(255,77,106,.32),transparent 28%),
    radial-gradient(circle at 88% 80%,rgba(0,229,192,.32),transparent 30%),
    radial-gradient(circle at 80% 8%,rgba(123,97,255,.4),transparent 30%),
    linear-gradient(135deg,#00dcc0 0%,#5f7dff 45%,#8b5cff 78%,#ff4d6a 130%);
  border:1px solid rgba(255,255,255,.18);
}
.cta-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at center,rgba(255,255,255,.16) 1px,transparent 1.5px);
  background-size:22px 22px;
  opacity:.4;
  pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,1),rgba(0,0,0,.3));
  mask-image:linear-gradient(to bottom,rgba(0,0,0,1),rgba(0,0,0,.3));
}
.cta-banner::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:620px;
  height:320px;
  transform:translate(-50%,-50%);
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
  pointer-events:none;
  box-shadow:0 0 60px rgba(255,255,255,.12) inset;
}
.cta-banner > *{position:relative;z-index:2}
.cta-banner h2{
  font-size:clamp(1.9rem,4vw,3rem);
  color:#0a0e17;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.25;
  text-shadow:0 2px 0 rgba(255,255,255,.08);
}
.cta-banner p{
  margin:14px auto 30px;
  max-width:580px;
  color:#172032;
  font-size:15px;
  opacity:.9;
}
.site-footer{
  background:rgba(5,7,10,.92);
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.footer-main{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:32px;
  padding:60px 0 44px;
}
.footer-brand{
  grid-column:span 4;
}
.footer-desc{
  margin:16px 0 20px;
  color:var(--ink-3);
  font-size:14px;
  line-height:1.85;
  max-width:330px;
}
.social-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.social-btn{
  width:40px;
  height:40px;
  border-radius:13px;
  border:1px solid var(--line-strong);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-2);
  background:rgba(255,255,255,.03);
  transition:color .2s,border-color .2s,background .2s,transform .2s;
  font-size:13px;
  font-weight:700;
}
.social-btn:hover{
  background:var(--grad-main);
  color:#0a0e17;
  border-color:transparent;
  transform:translateY(-2px);
}
.footer-col{
  grid-column:span 2;
}
.footer-col h4{
  font-size:14px;
  color:var(--ink);
  letter-spacing:.04em;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li + li{margin-top:10px}
.footer-col ul a{
  color:var(--ink-3);
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.footer-col ul a:hover{
  color:var(--cyan);
  padding-left:4px;
}
.footer-note{
  padding:20px 0;
  background:linear-gradient(90deg,rgba(255,77,106,.07),rgba(123,97,255,.07));
  border-top:1px solid rgba(255,255,255,.05);
}
.footer-note p{
  text-align:center;
  color:var(--ink-3);
  font-size:12px;
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
}
.footer-bottom .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px 20px;
  color:var(--ink-3);
  font-size:13px;
}
@media (max-width:1120px){
  .site-menu a{padding:0 10px}
  .topic-card--wide,.topic-card--narrow,.topic-card{grid-column:span 12}
  .benefit-card,.benefit-card:nth-child(1),.benefit-card:nth-child(2),.benefit-card:nth-child(3){grid-column:span 6}
  .steps-wrap{grid-template-columns:repeat(2,1fr)}
  .step-card::after{display:none}
  .footer-brand{grid-column:span 12}
  .footer-col{grid-column:span 3}
}
@media (max-width:1023px){
  .site-menu.desktop-menu{display:none}
  .burger{display:inline-flex}
  .cat-hero-inner{grid-template-columns:1fr;gap:40px}
  .cat-hero{min-height:auto;padding-top:70px}
  .hero-card{max-width:520px;margin:0 auto;transform:none}
  .showcase-area{grid-template-columns:1fr}
  .footer-col:nth-child(3){grid-column:span 3}
}
@media (max-width:640px){
  .topbar-info{display:none}
  .topbar .container{
    justify-content:center;
    min-height:32px;
  }
  .topbar-utils span{
    padding:0 8px;
    font-size:12px;
  }
  .main-nav{min-height:66px;gap:8px}
  .brand-logo{width:36px;height:36px}
  .brand-text b{font-size:21px}
  .btn{padding:0 18px;min-height:44px}
  .cat-hero{padding-top:42px;padding-bottom:56px}
  .hero-card-tagline{
    left:6px;
    bottom:20px;
    padding:8px 12px;
    font-size:12px;
  }
  .benefit-card,.benefit-card:nth-child(1),.benefit-card:nth-child(2),.benefit-card:nth-child(3){grid-column:span 12}
  .topic-card{padding:24px}
  .steps-wrap{grid-template-columns:1fr}
  .section-head p{font-size:14px}
  .container{padding-left:18px;padding-right:18px}
  .footer-main{grid-template-columns:repeat(2,1fr);padding-top:44px}
  .footer-col{grid-column:span 1!important}
  .footer-brand{grid-column:span 2!important}
  .footer-bottom .container{justify-content:center;text-align:center}
  .cta-banner{padding:46px 22px;border-radius:20px}
  .faq-a-inner{padding:4px 20px 22px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070a10;
  --bg-1:#0b0f17;
  --bg-2:#111723;
  --panel:#151c29;
  --card:#1a2230;
  --card-up:#222c3f;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --cyan:#00e5c0;
  --violet:#7b61ff;
  --pink:#ff4d6a;
  --gold:#f7c948;
  --text-hi:#f2f5fa;
  --text-soft:#c0c9d9;
  --text-dim:#8791a5;
  --r-lg:22px;
  --r-md:14px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.6),0 0 0 1px rgba(0,229,192,.18);
  --grad-brand:linear-gradient(135deg,#00e5c0 0%,#7b61ff 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(123,97,255,.16), transparent 60%),
    radial-gradient(900px 480px at -8% 22%, rgba(0,229,192,.10), transparent 60%),
    linear-gradient(145deg,var(--bg-0) 0%,var(--bg-1) 46%,#0d131f 100%);
  color:var(--text-soft);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:56px 56px;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--cyan);text-decoration:none}
a:hover{color:#9af5e4}
ul,ol{padding:0;margin:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4,h5,p{
  margin:0;
}
h1,h2,h3,h4{
  color:var(--text-hi);
  line-height:1.32;
  font-weight:700;
}
.container{
  width:min(1240px, calc(100% - 48px));
  margin-inline:auto;
}
.section{
  padding:92px 0;
}
.section-head{
  max-width:760px;
  margin:0 auto 48px;
  text-align:center;
}
.section-head::before{
  content:"";
  display:block;
  width:42px;
  height:4px;
  border-radius:99px;
  background:var(--grad-brand);
  margin:0 auto 18px;
  box-shadow:0 0 18px rgba(0,229,192,.5);
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
  font-weight:600;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.6rem,2.8vw,2.4rem);
  margin-bottom:16px;
}
.section-head p{
  color:var(--text-dim);
  font-size:1rem;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1;
  padding:0 28px;
  height:50px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{
  color:#071019;
  background:var(--grad-brand);
  box-shadow:0 8px 30px rgba(0,229,192,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(123,97,255,.35);
  color:#071019;
}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:rgba(255,255,255,.2);
  color:#fff;
}
.btn-ghost:hover{
  border-color:var(--cyan);
  background:rgba(0,229,192,.09);
  color:#fff;
  transform:translateY(-2px);
}
.text-link{
  color:var(--cyan);
  font-weight:600;
  transition:letter-spacing .2s ease;
}
.text-link:hover{
  letter-spacing:.05em;
  color:#fff;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid rgba(0,229,192,.42);
  color:var(--cyan);
  background:rgba(0,229,192,.07);
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(7,10,15,.78);
  backdrop-filter:saturate(160%) blur(16px);
  -webkit-backdrop-filter:saturate(160%) blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  bottom:-1px;
  left:50%;
  transform:translateX(-50%);
  width:min(280px,42%);
  height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--violet),transparent);
  animation:glowline 6s ease-in-out infinite alternate;
}
@keyframes glowline{
  0%{opacity:.5}
  100%{opacity:1}
}
.topbar{
  background:rgba(0,0,0,.22);
  border-bottom:1px solid rgba(255,255,255,.04);
  font-size:12.5px;
  color:var(--text-dim);
}
.topbar .container{
  min-height:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.topbar-info{
  display:flex;
  align-items:center;
  gap:8px;
}
.topbar-info i{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
  display:inline-block;
}
.topbar-utils{
  display:flex;
  gap:18px;
  align-items:center;
}
.main-nav{
  min-height:78px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  border-radius:12px;
}
.brand-logo{
  width:46px;
  height:46px;
  filter:drop-shadow(0 0 14px rgba(0,229,192,.35));
}
.brand-text{
  display:flex;
  flex-direction:column;
  color:#fff;
  line-height:1.25;
}
.brand-text b{
  font-size:22px;
  font-weight:800;
  letter-spacing:.02em;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.brand-text small{
  font-size:11px;
  color:var(--text-dim);
  letter-spacing:.2em;
  margin-top:2px;
}
.site-menu ul{
  display:flex;
  gap:8px;
}
.site-menu a{
  display:block;
  padding:10px 14px;
  color:var(--text-soft);
  font-size:15px;
  font-weight:500;
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
  position:relative;
}
.site-menu a:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
}
.site-menu a.active{
  color:var(--cyan);
  background:rgba(0,229,192,.08);
}
.site-menu a.active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:1px;
  width:22px;
  height:3px;
  border-radius:99px;
  background:var(--grad-brand);
  box-shadow:0 0 12px rgba(0,229,192,.7);
}
.nav-cta-group{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.burger{
  display:none;
  width:44px;
  height:44px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:#fff;
  border-radius:12px;
  font-size:21px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.burger i{
  font-style:normal;
}
.desktop-cta{
  height:42px;
  font-size:14px;
  padding:0 22px;
}
.drawer-layer{
  position:fixed;
  inset:0;
  z-index:205;
  background:rgba(5,7,12,.65);
  backdrop-filter:blur(6px);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
}
.drawer-layer.open{
  opacity:1;
  pointer-events:auto;
}
.drawer-layer .drawer-panel{
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  width:min(84vw,340px);
  background:#0d1320;
  border-left:1px solid rgba(0,229,192,.25);
  padding:26px 22px;
  display:flex;
  flex-direction:column;
  transform:translateX(105%);
  transition:transform .35s cubic-bezier(.22,.61,.36,1);
  box-shadow:-20px 0 60px rgba(0,0,0,.5);
}
.drawer-layer.open .drawer-panel{
  transform:translateX(0);
}
.drawer-head{
  display:flex;
  justify-content:flex-end;
  margin-bottom:14px;
}
.drawer-close{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-hi);
  font-size:22px;
  cursor:pointer;
}
.drawer-menu{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.drawer-menu a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 12px;
  border-radius:12px;
  color:var(--text-soft);
  font-size:17px;
  font-weight:600;
}
.drawer-menu a.active{
  color:var(--cyan);
  background:rgba(0,229,192,.08);
}
.drawer-menu a:hover{
  background:rgba(255,255,255,.05);
  color:#fff;
}
.drawer-btn{
  margin-top:auto;
}
/* hero category */
.category-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.05);
  background:
    linear-gradient(100deg, rgba(7,9,15,.94) 10%, rgba(9,13,21,.8) 48%, rgba(10,13,21,.62)),
    url('/assets/images/backpic/back-2.webp') right 22%/cover no-repeat;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:66px 66px;
  pointer-events:none;
}
.hero-inner{
  min-height:480px;
  padding:80px 0 70px;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hh-copy{
  position:relative;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.2em;
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:18px;
}
.hero-eyebrow i{
  width:26px;
  height:2px;
  background:var(--grad-brand);
  display:inline-block;
  border-radius:99px;
}
.hh-copy h1{
  font-size:clamp(2.2rem,4.4vw,3.8rem);
  line-height:1.18;
  margin-bottom:20px;
  color:#fff;
}
.hh-copy h1 .grad-text{
  background:linear-gradient(100deg,var(--cyan),#a78bfa 60%,var(--pink));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hh-copy>p{
  font-size:1.04rem;
  color:var(--text-soft);
  max-width:580px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:24px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  color:var(--text-dim);
  border:1px solid rgba(255,255,255,.13);
  background:rgba(255,255,255,.04);
  border-radius:999px;
  padding:6px 14px;
}
.hero-tags li::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  margin-right:7px;
  background:var(--violet);
  box-shadow:0 0 8px var(--violet);
}
.hh-media{
  position:relative;
}
.media-frame{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  transform:rotate(1.2deg);
  border:1px solid rgba(255,255,255,.13);
  box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 0 1px rgba(0,229,192,.13);
}
.media-frame::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(200deg,transparent 40%,rgba(123,97,255,.33) 100%);
  pointer-events:none;
}
.media-frame img{
  width:100%;
  aspect-ratio:4/3;
}
.media-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:3;
  color:#fff;
  font-size:13px;
  background:rgba(7,10,15,.72);
  border:1px solid rgba(255,255,255,.16);
  padding:8px 15px;
  border-radius:99px;
  backdrop-filter:blur(8px);
}
.media-badge b{
  color:var(--cyan);
}
.float-note{
  position:absolute;
  background:rgba(18,25,38,.9);
  border:1px solid rgba(255,255,255,.14);
  color:var(--text-soft);
  border-radius:16px;
  padding:12px 18px;
  font-size:13px;
  z-index:4;
  backdrop-filter:blur(10px);
  box-shadow:0 12px 32px rgba(0,0,0,.4);
  transition:transform .3s ease;
}
.float-note strong{
  display:block;
  color:#fff;
  font-size:14px;
}
.float-note.from-tl{
  top:10px;
  left:-18px;
  animation:floatUp 4s ease-in-out infinite alternate;
}
.float-note.from-br{
  bottom:32px;
  right:-26px;
  animation:floatUp 4s ease-in-out .6s infinite alternate;
}
@keyframes floatUp{
  0%{transform:translateY(0)}
  100%{transform:translateY(-9px)}
}
/* channel cards */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.channel-card{
  position:relative;
  background:linear-gradient(155deg,var(--card),var(--bg-2));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 26px 26px;
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.channel-card::before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  left:0;
  height:3px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .3s ease;
}
.channel-card:hover{
  transform:translateY(-6px);
  border-color:rgba(0,229,192,.28);
  box-shadow:var(--shadow-hover),0 0 26px rgba(123,97,255,.15);
}
.channel-card:hover::before{
  opacity:1;
}
.channel-card .card-badge{
  position:absolute;
  right:18px;
  top:18px;
  min-width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text-dim);
  font-size:14px;
  font-family:Barlow,Impact,sans-serif;
}
.channel-card .card-glyph{
  width:50px;
  height:50px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  background:var(--grad-brand);
  color:#04121d;
  font-size:24px;
  font-weight:800;
  box-shadow:0 0 26px rgba(0,229,192,.26);
}
.channel-card h3{
  font-size:1.3rem;
  margin-bottom:12px;
}
.channel-card p{
  color:var(--text-dim);
  font-size:.94rem;
  margin-bottom:18px;
  min-height:76px;
}
/* News section */
.news-block{
  background:linear-gradient(180deg,transparent,rgba(13,17,27,.5),transparent);
}
.news-layout{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:30px;
  align-items:stretch;
}
.lead-news-card{
  background:linear-gradient(155deg,#1b2332,#141b28);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.lead-news-card:hover{
  border-color:rgba(123,97,255,.35);
  box-shadow:0 14px 44px rgba(0,0,0,.55);
}
.lead-news-media{
  position:relative;
  overflow:hidden;
}
.lead-news-media img{
  width:100%;
  height:220px;
}
.lead-news-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(6,8,13,.75));
}
.lead-news-media span{
  position:absolute;
  left:18px;
  bottom:16px;
  z-index:2;
}
.lead-news-body{
  padding:26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.lead-news-body h3{
  font-size:1.4rem;
  margin-bottom:12px;
}
.lead-news-body p{
  color:var(--text-dim);
  font-size:.95rem;
  margin-bottom:18px;
  flex:1;
}
.news-list-column{
  background:rgba(18,24,36,.7);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 24px 8px;
}
.news-list-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:10px;
}
.news-list-head h3{
  font-size:1.2rem;
}
.news-rows li{
  padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:padding-left .3s ease;
}
.news-rows li:last-child{
  border-bottom:none;
}
.news-rows li:hover{
  padding-left:8px;
}
.news-rows .row-meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:12px;
  color:var(--text-dim);
  margin-bottom:8px;
}
.news-rows h4{
  font-size:1.02rem;
  font-weight:600;
  margin-bottom:8px;
  transition:color .2s ease;
}
.news-rows a:hover h4{
  color:var(--cyan);
}
.news-rows p{
  color:var(--text-dim);
  font-size:.88rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.news-more{
  display:block;
  text-align:center;
  margin:22px auto 0;
  width:fit-content;
}
/* digest grid */
.digest-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
.digest-card{
  position:relative;
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:linear-gradient(140deg,rgba(123,97,255,.15),rgba(16,22,35,.95) 55%);
  border:1px solid rgba(255,255,255,.1);
  transition:transform .3s ease,border-color .3s ease;
  min-height:220px;
}
.digest-card:hover{
  transform:scale(1.01);
  border-color:rgba(0,229,192,.25);
}
.digest-cover{
  overflow:hidden;
}
.digest-cover img{
  width:100%;
  height:100%;
  min-height:220px;
}
.digest-body{
  padding:28px 24px;
}
.digest-body span{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--cyan);
  font-weight:700;
}
.digest-body h3{
  font-size:1.22rem;
  margin:8px 0 14px;
}
.digest-body p{
  color:var(--text-dim);
  font-size:.91rem;
}
/* process steps */
.process-panel{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:42px 30px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  position:relative;
}
.process-step{
  text-align:center;
  position:relative;
}
.process-step:not(:last-child)::after{
  content:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="38" height="20" viewBox="0 0 38 20"><path d="M2 10h30" stroke="%2300e5c0" stroke-width="1.5" stroke-dasharray="3 6"/><path d="M26 3l9 7-9 7z" fill="%2300e5c0"/></svg>');
  position:absolute;
  right:-28px;
  top:14px;
  opacity:.7;
}
.step-num{
  width:52px;
  height:52px;
  margin:0 auto 16px;
  border-radius:18px;
  background:var(--grad-brand);
  color:#06121e;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:23px;
  font-weight:900;
  font-family:Barlow,DIN,sans-serif;
  box-shadow:0 0 30px rgba(0,229,192,.3);
  transform:rotate(45deg);
}
.step-num b{
  transform:rotate(-45deg);
}
.process-step h3{
  font-size:1.2rem;
  margin-bottom:8px;
}
.process-step p{
  color:var(--text-dim);
  font-size:.92rem;
  padding:0 6px;
}
/* notice strip */
.notice-strip{
  margin-top:70px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  background:linear-gradient(90deg,rgba(0,229,192,.06),rgba(123,97,255,.08));
  border:1px solid rgba(0,229,192,.17);
  border-radius:999px;
  padding:16px 24px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--text-soft);
  box-shadow:inset 0 0 50px rgba(0,229,192,.03);
}
.notice-strip strong{
  color:var(--cyan);
  font-weight:700;
  margin-right:4px;
}
/* faq */
.faq-wrap{
  max-width:880px;
  margin:0 auto;
}
.faq-item{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  transition:background .3s ease,border-color .3s ease;
  overflow:hidden;
}
.faq-item.open{
  background:linear-gradient(90deg,rgba(0,229,192,.07),transparent 70%);
  border-color:rgba(0,229,192,.25);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:transparent;
  border:none;
  color:var(--text-hi);
  font-size:1.04rem;
  font-weight:600;
  padding:22px 24px;
  cursor:pointer;
  text-align:left;
}
.faq-q .q-mark{
  width:30px;
  height:30px;
  flex-shrink:0;
  border-radius:9px;
  background:rgba(0,229,192,.14);
  color:var(--cyan);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
}
.faq-q .q-arrow{
  width:26px;
  height:26px;
  flex-shrink:0;
  border-radius:8px;
  border:1px solid var(--line-strong);
  color:var(--text-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .35s ease,background .3s ease;
}
.faq-item.open .q-arrow{
  transform:rotate(135deg);
  color:var(--cyan);
  border-color:rgba(0,229,192,.4);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-a-inner{
  padding:0 24px 24px 78px;
}
.faq-a-inner p{
  color:var(--text-dim);
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,var(--cyan),var(--violet)) 1;
  padding-left:18px;
  font-size:.96rem;
}
/* cta */
.cta-section{
  padding:40px 0 100px;
}
.cta-banner{
  position:relative;
  overflow:hidden;
  border-radius:30px;
  padding:72px 48px;
  text-align:center;
  background:linear-gradient(135deg,#00e5c0,#068f9e 35%,#7b61ff 80%,#9f5cc0);
  box-shadow:0 20px 70px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.14);
}
.cta-banner::before{
  content:"";
  position:absolute;
  left:-160px;
  top:-160px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:rgba(255,255,255,.15);
  filter:blur(20px);
}
.cta-banner::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-140px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  filter:blur(30px);
}
.cta-banner>*{
  position:relative;
  z-index:2;
}
.cta-banner h2{
  color:#071019;
  font-size:clamp(1.7rem,3vw,2.6rem);
  font-weight:800;
  margin-bottom:12px;
}
.cta-banner p{
  max-width:640px;
  margin:0 auto 30px;
  color:#f1fbff;
  font-size:1.08rem;
  font-weight:500;
}
.btn-dark{
  color:var(--cyan);
  background:#071019;
  border:1px solid rgba(255,255,255,.35);
  border-radius:999px;
  box-shadow:0 8px 30px rgba(0,0,0,.3);
}
.btn-dark:hover{
  background:#ff4d6a;
  color:#fff;
  border-color:#ff4d6a;
  transform:translateY(-2px);
  box-shadow:0 12px 40px rgba(255,77,106,.45);
}
/* footer */
.site-footer{
  background:#06080e;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-main{
  padding:70px 0 24px;
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr 1fr;
  gap:50px;
}
.footer-desc{
  color:var(--text-dim);
  font-size:.92rem;
  margin-top:22px;
  max-width:330px;
}
.social-row{
  display:flex;
  gap:12px;
  margin-top:24px;
}
.social-btn{
  width:42px;
  height:42px;
  border-radius:13px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .25s ease;
}
.social-btn:hover{
  color:#0d1520;
  background:var(--grad-brand);
  border-color:transparent;
  transform:translateY(-3px);
}
.footer-title{
  color:#f2f5fa;
  font-size:1.06rem;
  font-weight:700;
  margin-bottom:22px;
  position:relative;
  padding-left:14px;
}
.footer-title::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  width:4px;
  height:22px;
  border-radius:99px;
  background:var(--grad-brand);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  color:var(--text-dim);
  font-size:.94rem;
  transition:color .2s ease,transform .2s ease;
  width:fit-content;
}
.footer-links a:hover{
  color:var(--cyan);
  transform:translateX(3px);
}
.footer-tip{
  font-size:.82rem;
  color:var(--text-dim);
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.06);
  padding:16px 18px;
  border-radius:14px;
  line-height:1.9;
}
.footer-bottom{
  margin-top:30px;
  border-top:1px solid rgba(255,255,255,.06);
  padding:18px 0 6px;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:12.5px;
  color:var(--text-dim);
}
.safe-line{
  margin-top:18px;
  border-top:2px solid rgba(0,229,192,.16);
  background:linear-gradient(90deg,rgba(0,229,192,.04),rgba(123,97,255,.04));
  padding:20px;
  text-align:center;
  font-size:13px;
  color:#7f8a9e;
  line-height:1.9;
  letter-spacing:.04em;
}
.safe-line b{
  color:var(--cyan);
  font-weight:600;
}
@media(max-width:1024px){
  .site-menu.desktop-menu,.desktop-cta{display:none}
  .burger{display:flex}
  .main-nav{min-height:68px;gap:16px}
  .brand-text small{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px;min-height:auto;padding-top:54px}
  .hh-media{max-width:560px}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .digest-grid{grid-template-columns:1fr}
  .process-panel{grid-template-columns:1fr;gap:34px}
  .process-step:not(:last-child)::after{display:none}
  .footer-main{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:640px){
  body{font-size:15px}
  .container{width:calc(100% - 36px)}
  .topbar-utils{display:none}
  .section{padding:66px 0}
  .section-head{margin-bottom:34px}
  .hh-copy h1{font-size:2.2rem}
  .category-hero{background-position:center}
  .hero-inner{padding:36px 0 56px;row-gap:0}
  .media-frame{transform:none}
  .float-note{display:none}
  .hero-actions .btn{width:100%}
  .channel-grid{grid-template-columns:1fr}
  .channel-card p{min-height:auto}
  .lead-news-body{padding:20px}
  .news-list-column{padding:16px 18px 4px}
  .digest-card{grid-template-columns:1fr}
  .digest-cover img{min-height:180px}
  .process-panel{padding:32px 20px}
  .notice-strip{border-radius:20px;text-align:left;justify-content:flex-start;padding:16px 18px}
  .faq-a-inner{padding-left:24px}
  .faq-a-inner p{padding-left:10px}
  .cta-banner{padding:50px 20px}
  .cta-banner .btn{width:100%}
  .footer-main{grid-template-columns:1fr;gap:34px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root {
  --bg-deep: #080a10;
  --bg-body: #0b0e14;
  --bg-2: #111722;
  --card-bg: #1c2230;
  --card-bg-hover: #262e40;
  --line: rgba(255,255,255,.06);
  --line-strong: rgba(255,255,255,.14);
  --cyan: #00e5c0;
  --violet: #7b61ff;
  --pink: #ff4d6a;
  --gold: #f7c948;
  --text: #f2f5fa;
  --body-text: #c3cad9;
  --muted: #8a94a8;
  --grad-primary: linear-gradient(135deg, #00e5c0 0%, #7b61ff 100%);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,.35);
  --shadow-glow: 0 0 12px rgba(0,229,192,.35), 0 16px 40px rgba(0,0,0,.6);
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num: "Barlow Condensed","Rajdhani","DIN Alternate",Impact,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg-body);background-image:radial-gradient(circle at 15% 10%,rgba(123,97,255,.08),transparent 30%),radial-gradient(circle at 90% 0%,rgba(0,229,192,.06),transparent 24%);color:var(--body-text);font-family:var(--font-sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:48px 48px;z-index:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
.container{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:0 24px}
/* Header */
.site-header{position:sticky;top:0;width:100%;z-index:100;background:rgba(8,10,16,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(255,255,255,.05)}
.site-header::after{content:"";position:absolute;left:24px;right:24px;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,#00e5c0 20%,#7b61ff 80%,transparent);opacity:.7}
.topbar{background:rgba(8,10,16,.8);border-bottom:1px solid rgba(255,255,255,.04);font-size:13px;color:var(--muted)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:38px;padding-top:4px;padding-bottom:4px}
.topbar-info{display:flex;align-items:center;gap:8px}
.topbar-info i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.topbar-utils{display:flex;gap:18px}
.topbar-utils span{letter-spacing:.02em}
.main-nav{display:flex;align-items:center;justify-content:space-between;gap:32px;height:76px;position:relative;z-index:2}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{width:42px;height:42px;filter:drop-shadow(0 0 12px rgba(0,229,192,.25))}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;color:var(--text)}
.brand-text b{font-weight:800;background:linear-gradient(120deg,#fff,#c3cad9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-text small{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.site-menu ul{display:flex;gap:30px;list-style:none}
.site-menu a{position:relative;display:inline-block;font-size:15px;font-weight:500;padding:28px 2px 24px;color:#c9d2e0;transition:color .25s}
.site-menu a::after{content:"";position:absolute;left:50%;bottom:12px;translate:-50%;width:0;height:3px;border-radius:99px;background:var(--grad-primary);box-shadow:0 0 10px rgba(0,229,192,.55);transition:width .3s}
.site-menu a:hover{color:#fff}
.site-menu a:hover::after{width:24px}
.site-menu a.active{color:#fff;text-shadow:0 0 18px rgba(0,229,192,.28)}
.site-menu a.active::after{width:24px}
.nav-cta-group{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;outline:none;border-radius:var(--radius-pill);font-weight:700;font-size:14px;padding:0 24px;height:44px;transition:transform .22s,box-shadow .25s,background .25s,color .25s}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad-primary);color:#0b0e14;box-shadow:0 4px 22px rgba(0,229,192,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(123,97,255,.4)}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.2);color:#fff}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(0,229,192,.08);color:#fff;transform:translateY(-2px)}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.16);color:#fff;width:44px;height:44px;border-radius:12px;font-size:22px;line-height:1;align-items:center;justify-content:center}
.burger:hover{border-color:var(--cyan)}
/* Drawer */
.drawer{position:fixed;inset:0;background:rgba(8,10,16,.96);backdrop-filter:blur(18px);z-index:200;display:flex;flex-direction:column;padding:32px 24px;opacity:0;visibility:hidden;transition:all .3s}
.drawer.open{opacity:1;visibility:visible}
.drawer-close{position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);color:#fff;font-size:22px;border:none}
.drawer ul{margin-top:60px;display:flex;flex-direction:column;gap:6px}
.drawer ul a{display:block;padding:15px 16px;border-radius:14px;font-size:19px;font-weight:600;color:#f2f5fa;border-left:3px solid transparent}
.drawer ul a.active,.drawer ul a:hover{border-left-color:var(--cyan);background:rgba(0,229,192,.08)}
/* Page Hero */
.page-hero{position:relative;padding:76px 0 72px;background:linear-gradient(105deg,rgba(8,10,16,.94) 30%,rgba(8,10,16,.6)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-60px;right:-30px;width:380px;height:380px;background:radial-gradient(circle,rgba(123,97,255,.25),transparent 65%);pointer-events:none}
.page-hero::after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:1px;background:linear-gradient(90deg,transparent,#00e5c0,#7b61ff,transparent)}
.hero-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-copy .hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:99px;border:1px solid rgba(0,229,192,.3);background:rgba(0,229,192,.08);font-size:13px;color:var(--cyan);font-weight:600;letter-spacing:.05em;margin-bottom:20px}
.hero-copy h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;line-height:1.2;color:var(--text);margin-bottom:18px}
.hero-copy h1 em{font-style:normal;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-copy p{font-size:16px;color:#c3cad9;max-width:600px;line-height:1.9}
.hero-btns{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap}
.hero-figure{text-align:right}
.hero-figure img{border-radius:24px;box-shadow:var(--shadow-card);outline:1px solid rgba(255,255,255,.08);outline-offset:-1px}
/* Section */
.section{padding:90px 0;position:relative}
.section-alt{background:rgba(255,255,255,.014);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.section-header{margin-bottom:44px}
.section-kicker{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.section-kicker i{width:28px;height:2px;background:var(--grad-primary);border-radius:9px}
.section-title{font-size:clamp(1.6rem,2.8vw,2.4rem);line-height:1.35;color:var(--text);font-weight:700;letter-spacing:-.02em}
.section-sub{margin-top:12px;color:#a6b0bf;font-size:15px;max-width:720px}
/* Q and A Entry Cards */
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.qa-card{display:block;background:linear-gradient(145deg,rgba(28,34,48,.92),rgba(17,23,34,.9));border:1px solid var(--line);border-radius:20px;padding:30px 24px 26px;position:relative;overflow:hidden;transition:transform .28s,box-shadow .3s,border-color .3s}
.qa-card::before{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(0,229,192,.05),transparent 40%,rgba(123,97,255,.05));opacity:0;transition:opacity .3s}
.qa-card:hover{border-color:rgba(0,229,192,.3);translate:0 -4px;box-shadow:var(--shadow-glow)}
.qa-card:hover::before{opacity:1}
.qa-icon{width:56px;height:56px;border-radius:16px;background:rgba(0,229,192,.1);color:var(--cyan);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:26px}
.qa-icon.purple{background:rgba(123,97,255,.12);color:#a793fe}
.qa-icon.pink{background:rgba(255,77,106,.12);color:#ff8ca0}
.qa-icon.gold{background:rgba(247,201,72,.12);color:#ffd76b}
.qa-card h3{font-size:1.25rem;color:var(--text);margin-bottom:8px;font-weight:700}
.qa-card p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.qa-link{font-size:14px;font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:6px}
.qa-link span{transition:transform .2s;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.qa-card:hover .qa-link span{transform:translateX(4px)}
.qa-card .qa-count{position:absolute;right:20px;bottom:18px;font-family:var(--font-num);font-size:34px;font-weight:700;color:rgba(255,255,255,.045)}
/* Three step guide */
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step-item{position:relative;background:var(--card-bg);border:1px solid var(--line);border-radius:20px;padding:34px 26px 28px;transition:border-color .25s,background .25s}
.step-item:hover{border-color:rgba(0,229,192,.3);background:var(--card-bg-hover)}
.step-num{font-family:var(--font-num);font-size:64px;line-height:1;font-weight:700;background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.85}
.step-item h3{color:var(--text);font-size:18px;margin:14px 0 8px}
.step-item p{color:var(--muted);font-size:14px}
/* CTA Narrow */
.cta-strip{background:linear-gradient(115deg,rgba(123,97,255,.26),rgba(0,229,192,.15)),#10151f;border:1px solid rgba(123,97,255,.24);border-radius:20px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:34px 40px;position:relative;overflow:hidden}
.cta-strip::after{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;background:radial-gradient(circle,rgba(0,229,192,.15),transparent 60%)}
.cta-strip h2{color:#fff;font-size:24px;font-weight:700;line-height:1.4}
.cta-strip p{color:rgba(229,236,248,.82);margin-top:6px;font-size:15px}
.cta-strip .btn{position:relative;z-index:2}
/* Hot topic list */
.hot-list{margin-top:10px}
.hot-item{display:grid;grid-template-columns:110px 1fr auto;gap:22px;align-items:center;background:rgba(28,34,48,.68);border:1px solid var(--line);border-radius:18px;padding:18px 18px;margin-bottom:16px;transition:background .25s,border-color .25s}
.hot-item:hover{background:#222a3b;border-color:rgba(0,229,192,.2)}
.hot-thumb{width:110px;height:74px;object-fit:cover;border-radius:12px;overflow:hidden;background:var(--grad-primary);display:flex;align-items:center;justify-content:center}
.hot-thumb img,.hot-thumb{width:100%;height:100%;object-fit:cover}
.hot-main .hot-tag{display:inline-block;font-size:12px;color:var(--pink);border:1px solid rgba(255,77,106,.28);border-radius:99px;padding:2px 10px;margin-bottom:8px;background:rgba(255,77,106,.06)}
.hot-main h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5}
.hot-main p{color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-top:4px}
.hot-meta{text-align:right;color:#778198;font-size:13px;font-family:var(--font-num);white-space:nowrap}
/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:rgba(17,23,34,.94);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .25s}
.faq-item:hover{border-color:rgba(0,229,192,.2)}
.faq-q{width:100%;border:none;background:none;color:var(--text);font-size:16px;font-weight:600;padding:22px 24px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-q i{position:relative;flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.13);transition:transform .25s,background .25s,border-color .25s}
.faq-q i::before,.faq-q i::after{content:"";position:absolute;background:#6b7a90;border-radius:2px;transition:background .2s;top:50%;left:50%;translate:-50% -50%}
.faq-q i::before{width:10px;height:2px}
.faq-q i::after{width:2px;height:10px}
.faq-item:hover .faq-q i{border-color:var(--cyan)}
.faq-item[open] .faq-q i{rotate:45deg;background:rgba(0,229,192,.16);border-color:var(--cyan)}
.faq-item[open] .faq-q i::before,.faq-item[open] .faq-q i::after{background:var(--cyan)}
.faq-a{padding:0 24px 22px 28px;color:#afb9c8;font-size:15px;line-height:1.9;border-left:3px solid transparent}
.faq-item[open] .faq-a{border-left-color:var(--cyan);background:linear-gradient(90deg,rgba(0,229,192,.045),transparent)}
/* CTA banner */
.cta-banner{margin:70px 0 0}
.cta-banner .cta-inner{background:linear-gradient(135deg,#00e5c0 -20%,#7b61ff 58%,#ff4d6a 135%);border-radius:24px;padding:72px 40px;text-align:center;position:relative;overflow:hidden;box-shadow:0 20px 70px rgba(0,0,0,.5),0 0 60px rgba(123,97,255,.2)}
.cta-banner .cta-inner::before{content:"";position:absolute;top:-130px;left:-100px;right:-100px;height:260px;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 65%);pointer-events:none}
.cta-banner .cta-inner::after{content:"";position:absolute;left:0;right:0;top:0;bottom:0;background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);background-size:26px 26px;opacity:.24;pointer-events:none;mix-blend-mode:overlay}
.cta-banner h2{font-size:clamp(1.66rem,3vw,2.5rem);color:#0b0e14;font-weight:800;margin-bottom:10px;position:relative;z-index:2}
.cta-banner p{color:rgba(10,15,25,.82);font-size:16px;max-width:620px;margin:0 auto 30px;position:relative;z-index:2}
.cta-banner .btn-cta-dark{background:#0b0e14;color:#00e5c0;border-radius:999px;padding:0 42px;height:52px;font-weight:800;display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 24px rgba(0,0,0,.35);font-size:16px;position:relative;z-index:2;transition:all .25s}
.cta-banner .btn-cta-dark:hover{background:var(--pink);color:#fff;transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,77,106,.45)}
/* Footer */
.site-footer{background:#080a10;border-top:1px solid #141b29;position:relative;padding-top:70px;margin-top:0;color:#aab4c4}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#00e5c0,#7b61ff,transparent)}
.footer-main{display:grid;grid-template-columns:4fr 2fr 2fr 3fr;gap:48px;padding-bottom:50px}
.footer-brand .brand{margin-bottom:20px}
.footer-desc{font-size:14px;line-height:1.8;max-width:260px;color:#818c9f;margin-bottom:22px}
.social-row{display:flex;flex-wrap:wrap;gap:10px}
.social-btn{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.06);color:#8e99af;transition:all .25s}
.social-btn:hover{background:rgba(0,229,192,.12);border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.footer-head{flex:0 0 auto;color:#dfe5ef;margin-bottom:20px;position:relative;display:inline-block;padding-bottom:6px;font-size:17px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:#8f9aae;font-size:14px;display:inline-block;transition:all .2s}
.footer-col ul a:hover{color:#00e5c0;translate:2px 0}
.footer-foot{border-top:1px solid rgba(255,255,255,.07)}
.footer-foot-inner{color:#6e7a8f;font-size:13px;padding:24px 0 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;line-height:1.6}
.compliance-strip{background:#0a0d13;border-top:1px solid #1f2a3a;padding:20px 0}
.compliance-strip p{font-size:13px;letter-spacing:.11em;color:#77869b;text-align:center;line-height:1.8;max-width:1000px;margin:0 auto}
/* Focus accessible */
a:focus-visible{outline:2px solid #00e5c0;outline-offset:3px;border-radius:4px}
@media(max-width:1080px){
  .qa-grid{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:repeat(2,1fr)}
  .hero-figure{display:none}
  .hero-wrap{grid-template-columns:1fr}
  .step-row{grid-template-columns:repeat(3,1fr)}
  .hot-item{grid-template-columns:90px 1fr;padding:16px}
  .hot-thumb{width:90px;height:66px}
}
@media(max-width:860px){
  .desktop-menu{display:none}
  .devider,.desktop-cta{display:none}
  .burger{display:inline-flex}
  .main-nav{height:68px}
  .step-row{grid-template-columns:1fr 1fr}
  .section{padding:62px 0}
  .page-hero{padding:58px 0}
  .cta-banner .cta-inner{padding:48px 24px}
  .cta-strip{flex-direction:column;text-align:center;padding:28px}
  .cta-strip p{max-width:480px;margin-left:auto;margin-right:auto}
  .hot-item{grid-template-columns:1fr;gap:10px}
  .hot-thumb{width:100%;height:120px}
  .hot-meta{display:none}
  .qa-grid{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:560px){
  .container{padding:0 16px}
  .topbar-utils span:first-child{display:none}
  .topbar .container{justify-content:space-between}
  .qa-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr}
  .footer-foot-inner{flex-direction:column;align-items:center;text-align:center}
  .hero-btns .btn{flex:1;min-width:130px}
  .page-hero h1{font-size:2rem}
}