/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --bg-primary: #060a14;
  --bg-secondary: #0c1322;
  --bg-elevated: #0f1a2e;
  --bg-card: rgba(15, 24, 42, .66);
  --bg-card-hover: rgba(21, 34, 56, .78);
  --bg-input: rgba(8, 14, 26, .7);
  --brand-primary: #175cff;
  --brand-cyan: #22d3ee;
  --amber: #ffb454;
  --text-title: #eef4ff;
  --text-body: #b6c2d6;
  --text-weak: #8796ad;
  --border-line: rgba(145, 175, 215, .14);
  --border-light: rgba(145, 175, 215, .24);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --shadow-card: 0 14px 36px rgba(2, 8, 23, .26);
  --shadow-float: 0 18px 48px rgba(2, 8, 23, .36);
  --transition-fast: .2s ease;
  --transition-base: .28s ease;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ============ Reset / Base ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: 90px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}
.section-head .eyebrow {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--brand-cyan);
  text-transform: uppercase;
  font-weight: 600;
}
.section-head h2 {
  font-size: 28px;
  color: var(--text-title);
  font-weight: 700;
  margin-top: 8px;
  line-height: 1.35;
}
.section-head p {
  color: var(--text-weak);
  max-width: 560px;
  font-size: 14px;
}
/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 3px;
}
.btn-primary {
  background: linear-gradient(135deg, #1f6cff, #0f9edb);
  color: #fff;
  box-shadow: 0 6px 22px rgba(23, 92, 255, .32), 0 0 0 1px rgba(120, 210, 255, .2) inset;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(23, 92, 255, .42), 0 0 0 1px rgba(120, 210, 255, .32) inset;
  background: linear-gradient(135deg, #2779ff, #17aee4);
}
.btn-primary:active {
  transform: translateY(1px) scale(.995);
  box-shadow: 0 4px 14px rgba(23, 92, 255, .3);
}
.btn-ghost {
  background: rgba(255, 255, 255, .04);
  border-color: rgba(160, 190, 230, .3);
  color: var(--text-title);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(34, 211, 238, .5);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(2, 8, 23, .3);
}
.btn-ghost:active {
  transform: translateY(1px) scale(.995);
}

/* ============ 徽章 / 标签 ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(34, 211, 238, .1);
  border: 1px solid rgba(34, 211, 238, .2);
  color: #a5effb;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}
.badge-amber {
  background: rgba(255, 180, 84, .1);
  border-color: rgba(255, 180, 84, .25);
  color: #ffc57b;
}
.badge-blue {
  background: rgba(23, 92, 255, .14);
  border-color: rgba(23, 92, 255, .3);
  color: #9db9ff;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 20, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(145, 175, 215, .08);
}
.header-inner {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  height: 72px;
  align-items: center;
  gap: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: 8px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(23, 92, 255, .18), rgba(34, 211, 238, .1));
  border: 1px solid rgba(90, 160, 255, .28);
}
.logo-icon svg {
  width: 24px;
  height: 24px;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}
.logo-text strong {
  color: var(--text-title);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .2px;
  white-space: nowrap;
}
.logo-text span {
  font-size: 11px;
  color: var(--text-weak);
  letter-spacing: .6px;
  margin-top: 2px;
}
.main-nav {
  display: flex;
  gap: 2px;
  align-items: center;
  margin-right: 4px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-body);
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
  position: relative;
}
.main-nav a:hover {
  color: var(--text-title);
  background: rgba(255, 255, 255, .04);
}
.main-nav a.active {
  color: var(--brand-cyan);
  background: rgba(34, 211, 238, .08);
  border-color: rgba(34, 211, 238, .18);
}
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-cyan);
  box-shadow: 0 0 10px rgba(34, 211, 238, .5);
}
.header-search {
  flex: 1 1 420px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.search-form {
  position: relative;
}
.search-form svg.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: #8496b4;
  pointer-events: none;
  transition: color var(--transition-fast);
}
.search-form input {
  width: 100%;
  height: 42px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(145, 175, 215, .18);
  padding: 0 46px 0 44px;
  color: var(--text-title);
  font-size: 14px;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.search-form input::placeholder {
  color: #5e6e85;
}
.search-form input:focus {
  background: rgba(8, 14, 26, .75);
  border-color: rgba(34, 211, 238, .4);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .15);
}
.search-form input:focus-visible {
  outline: 2px solid rgba(34, 211, 238, .35);
}
.header-action {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: 6px;
}
.header-action .btn {
  min-height: 40px;
  padding: 8px 18px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(145,175,215,.16);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-title);
  flex-shrink: 0;
}
.mobile-search-row {
  display: none;
  padding: 0 20px 12px;
  background: rgba(6, 10, 20, .6);
}
/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 110px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid rgba(145, 175, 215, .1);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(120deg, rgba(6, 10, 20, .72), rgba(6, 10, 20, .34) 40%, rgba(0, 0, 0, .3)), url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(145, 175, 215, .08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .6;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
}
.hero-copy .hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--brand-cyan);
  letter-spacing: 1.6px;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero-copy h1 {
  font-size: 46px;
  line-height: 1.28;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: .3px;
  margin-bottom: 22px;
}
.hero-copy h1 .cyan {
  color: var(--brand-cyan);
  font-weight: 700;
}
.hero-copy h1 .amber {
  color: var(--amber);
}
.hero-sub {
  font-size: 17px;
  color: #b9c7dc;
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-weak);
}
.hero-note .sep {
  width: 1px;
  height: 14px;
  background: rgba(145, 175, 215, .25);
}
.hero-visual {
  background: rgba(10, 18, 32, .66);
  border: 1px solid rgba(145, 175, 215, .16);
  border-radius: 24px;
  padding: 20px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(2, 8, 23, .45);
}
.login-mock {
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(23, 64, 118, .16), rgba(8, 14, 28, .5));
  border: 1px solid rgba(120, 160, 220, .14);
}
.mock-topbar {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  gap: 10px;
  border-bottom: 1px solid rgba(145, 175, 215, .1);
}
.mock-dots {
  display: flex;
  gap: 6px;
}
.mock-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .2);
}
.mock-dots i:first-child {
  background: rgba(255, 180, 84, .8);
}
.mock-dots i:nth-child(2) {
  background: rgba(34, 211, 238, .65);
}
.mock-dots i:last-child {
  background: rgba(23, 92, 255, .7);
}
.mock-tab {
  font-size: 13px;
  color: var(--text-body);
  margin-left: 4px;
}
.mock-body {
  padding: 26px 24px 24px;
}
.mock-title {
  color: var(--text-title);
  font-size: 17px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
}
.mock-field {
  position: relative;
  margin-bottom: 14px;
}
.mock-field svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: #60708a;
}
.mock-field input {
  width: 100%;
  height: 44px;
  border-radius: 12px;
  background: rgba(4, 8, 16, .55);
  border: 1px solid rgba(145, 175, 215, .18);
  padding: 0 16px 0 42px;
  color: #8c99b0;
  font-size: 14px;
  cursor: not-allowed;
}
.mock-submit {
  width: 100%;
  height: 46px;
  border-radius: 12px;
  margin-top: 8px;
  background: linear-gradient(135deg, rgba(31, 108, 255, .8), rgba(15, 158, 219, .8));
  color: rgba(255, 255, 255, .95);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: not-allowed;
  opacity: .78;
}
.mock-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 180, 84, .28);
  background: rgba(255, 180, 84, .1);
  color: #ffc07c;
  font-size: 12px;
}
/* ============ 通用卡片 ============ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(7px);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, .22);
  background: var(--bg-card-hover);
}

/* ============ Latest / CMS ============ */
.latest-section {
  background: var(--bg-primary);
  padding-top: 70px;
  padding-bottom: 20px;
}
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.section-title .title-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(23, 92, 255, .12);
  border: 1px solid rgba(23, 92, 255, .3);
  display: grid;
  place-items: center;
}
.section-title h2 {
  font-size: 30px;
  color: var(--text-title);
  font-weight: 700;
  line-height: 1.3;
}
.section-desc {
  color: var(--text-weak);
  font-size: 14px;
  max-width: 680px;
  margin-bottom: 40px;
}
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.news-card {
  background: rgba(13, 22, 38, .64);
  border: 1px solid rgba(145, 175, 215, .12);
  border-radius: 16px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
}
.news-card:hover {
  background: rgba(19, 32, 52, .85);
  border-color: rgba(34, 211, 238, .25);
  transform: translateY(-4px);
}
.news-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.news-card time {
  font-size: 12px;
  color: var(--text-weak);
  font-variant-numeric: tabular-nums;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.5;
  transition: color var(--transition-fast);
}
.news-card:hover h3 {
  color: var(--brand-cyan);
}
.news-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  margin-top: auto;
  font-size: 13px;
  color: var(--brand-cyan);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 36px;
  background: rgba(13, 22, 38, .5);
  border: 1px dashed rgba(145, 175, 215, .2);
  border-radius: 16px;
  color: var(--text-weak);
  font-size: 15px;
}

/* ============ 热门指南网格 ============ */
.guide-section {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(145, 175, 215, .06);
  border-bottom: 1px solid rgba(145, 175, 215, .06);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.guide-card {
  background: rgba(10, 18, 32, .6);
  border: 1px solid rgba(145, 175, 215, .12);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base), background var(--transition-base);
}
.guide-card:hover {
  border-color: rgba(34, 211, 238, .3);
  transform: translateY(-5px);
  background: rgba(14, 25, 44, .7);
}
.guide-card.large {
  grid-column: span 2;
  grid-row: span 2;
}
.guide-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0e1726;
}
.guide-card.large .guide-cover {
  aspect-ratio: 16 / 10;
}
.guide-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.guide-card:hover .guide-cover img {
  transform: scale(1.04);
}
.guide-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,10,20,0) 40%, rgba(6,10,20,.55) 100%);
}
.guide-body {
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.guide-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.45;
}
.guide-body p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
}
.guide-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 12px;
}
.guide-more {
  font-size: 14px;
  color: var(--brand-cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============ 评价轮播 ============ */
.review-section {
  background: var(--bg-primary);
  overflow: hidden;
}
.review-slider {
  position: relative;
}
.review-container {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.review-container::-webkit-scrollbar {
  display: none;
}
.review-card {
  flex: 0 0 calc(33.33% - 14px);
  scroll-snap-align: start;
  background: rgba(13, 22, 38, .58);
  border: 1px solid rgba(145, 175, 215, .12);
  border-radius: 18px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.review-card:hover {
  background: rgba(17, 28, 47, .7);
  border-color: rgba(34, 211, 238, .18);
}
.review-stars {
  display: flex;
  gap: 3px;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 2px;
}
.review-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
  position: relative;
  padding-left: 22px;
}
.review-text::before {
  content: "“";
  position: absolute;
  left: 0;
  top: -8px;
  font-size: 34px;
  color: rgba(34, 211, 238, .4);
  font-family: Georgia, serif;
  line-height: 1;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(23,92,255,.4), rgba(34,211,238,.3));
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}
.review-user strong {
  font-size: 14px;
  color: var(--text-title);
  font-weight: 600;
}
.review-user span {
  display: block;
  font-size: 12px;
  color: var(--text-weak);
}
.review-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}
.review-controls button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  color: var(--text-body);
  border: 1px solid rgba(145,175,215,.18);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.review-controls button:hover {
  background: rgba(34,211,238,.12);
  color: var(--brand-cyan);
  border-color: rgba(34,211,238,.4);
}
/* ============ 保障条 ============ */
.promise-section {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(145,175,215,.06);
  border-bottom: 1px solid rgba(145,175,215,.06);
}
.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.promise-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 4px 0;
}
.promise-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .18);
  color: var(--brand-cyan);
}
.promise-text strong {
  display: block;
  color: var(--text-title);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.promise-text p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid rgba(145, 175, 215, .1);
}
.faq-item:first-child {
  border-top: 1px solid rgba(145, 175, 215, .1);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 8px;
  cursor: pointer;
  background: transparent;
  width: 100%;
  text-align: left;
  color: var(--text-title);
  font-size: 17px;
  font-weight: 600;
  transition: color var(--transition-fast);
}
.faq-question:hover {
  color: var(--brand-cyan);
}
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(145,175,215,.2);
  color: var(--brand-cyan);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.faq-answer {
  padding: 0 8px 24px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
  display: none;
  max-width: 92%;
}
.faq-item.active .faq-answer {
  display: block;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  border-color: var(--brand-cyan);
}
.faq-answer .faq-tip {
  background: rgba(255, 180, 84, .1);
  border-left: 3px solid var(--amber);
  padding: 10px 14px;
  border-radius: 0 10px 10px 0;
  margin: 12px 0 0;
  font-size: 14px;
  color: #e6d7c2;
}

/* ============ CTA ============ */
.cta-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(23, 92, 255, .16), rgba(6, 10, 20, .6) 42%, rgba(6, 10, 20, .88)), radial-gradient(circle at 20% 20%, rgba(34, 211, 238, .15), transparent 48%);
}
.cta-box {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  padding: 54px 40px;
  background: rgba(10, 18, 32, .8);
  border-radius: 28px;
  border: 1px solid rgba(145, 175, 215, .15);
  backdrop-filter: blur(10px);
}
.cta-box h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.35;
  margin-bottom: 18px;
}
.cta-box p {
  font-size: 16px;
  color: var(--text-body);
  max-width: 560px;
  margin: 0 auto 30px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============ Footer ============ */
.site-footer {
  background: #05080f;
  border-top: 1px solid rgba(145, 175, 215, .06);
  padding-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1.2fr;
  gap: 36px;
  padding-bottom: 44px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-weak);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.footer-col a:hover {
  color: var(--brand-cyan);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(145, 175, 215, .08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  color: var(--text-weak);
}
.footer-bottom a {
  color: var(--text-weak);
}
.footer-bottom a:hover {
  color: var(--brand-cyan);
}

/* ============ 响应式 ============ */
@media (max-width: 1180px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(8, 14, 26, .96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(145,175,215,.12);
    flex-direction: column;
    padding: 18px;
    gap: 8px;
    align-items: stretch;
    border-radius: 0 0 18px 18px;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    height: auto;
    padding: 12px 16px;
    border-radius: 10px;
  }
  .main-nav a.active::after {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: none;
    margin-top: -4px;
    display: none;
  }
  .mobile-search-row {
    display: block;
  }
  .header-action {
    margin-left: auto;
  }
  .hero {
    padding: 80px 0 70px;
  }
  .hero-inner {
    gap: 40px;
  }
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guide-card.large {
    grid-column: auto;
    grid-row: auto;
  }
  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}
@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    max-width: 520px;
  }
  .section {
    padding: 64px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 30px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .news-list {
    grid-template-columns: 1fr;
  }
  .review-card {
    flex-basis: calc(50% - 10px);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 620px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .logo-text strong {
    font-size: 15px;
  }
  .logo-text span {
    display: none;
  }
  .hero-copy h1 {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero {
    padding: 60px 0 54px;
  }
  .section {
    padding: 54px 0;
  }
  .section-title h2 {
    font-size: 24px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .review-card {
    flex-basis: 100%;
  }
  .promise-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .faq-question {
    padding: 18px 4px;
    font-size: 15px;
  }
  .faq-answer {
    padding: 0 4px 20px;
  }
  .cta-box {
    padding: 34px 20px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
            --bg: #060A14;
            --bg-soft: #0C1322;
            --surface: rgba(16, 24, 40, .68);
            --surface-strong: rgba(18, 28, 46, .9);
            --border: rgba(148, 180, 255, .14);
            --border-light: rgba(148, 180, 255, .3);
            --primary: #175CFF;
            --primary-soft: rgba(23, 92, 255, .18);
            --cyan: #22D3EE;
            --cyan-soft: rgba(34, 211, 238, .12);
            --amber: #FFB454;
            --text: #EEF4FF;
            --text-main: #C9D7EC;
            --text-weak: #8496B8;
            --radius-sm: 8px;
            --radius-md: 13px;
            --radius-lg: 18px;
            --shadow: 0 18px 40px rgba(2, 8, 23, .3);
            --shadow-soft: 0 8px 24px rgba(2, 8, 23, .22);
            --transition: .25s ease;
            --content-width: 1200px;
        }

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

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            background:
                radial-gradient(circle at 18% 6%, rgba(23, 92, 255, .1), transparent 32%),
                radial-gradient(circle at 80% 22%, rgba(34, 211, 238, .07), transparent 26%),
                linear-gradient(rgba(148, 180, 255, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(148, 180, 255, .035) 1px, transparent 1px);
            background-size: auto, auto, 42px 42px, 42px 42px;
            pointer-events: none;
        }

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

        a:hover {
            color: #fff;
        }

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

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

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

        .container {
            width: min(var(--content-width), 92%);
            margin-inline: auto;
        }

        .section-block {
            padding-block: 88px;
        }

        .section-heading {
            max-width: 720px;
            margin-bottom: 44px;
        }

        .section-heading.center {
            margin-inline: auto;
            text-align: center;
        }

        .section-heading .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: .08em;
            color: var(--cyan);
            margin-bottom: 10px;
        }

        .section-heading h2 {
            font-size: clamp(26px, 3.4vw, 34px);
            color: var(--text);
            line-height: 1.35;
            font-weight: 700;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            background: var(--cyan-soft);
            border: 1px solid rgba(34, 211, 238, .28);
            color: var(--cyan);
            line-height: 1.6;
        }

        .badge.blue {
            background: rgba(23, 92, 255, .12);
            border-color: rgba(23, 92, 255, .3);
            color: #bcd2ff;
        }

        .badge.amber {
            background: rgba(255, 180, 84, .08);
            border-color: rgba(255, 180, 84, .28);
            color: var(--amber);
        }

        .site-header {
            position: relative;
            z-index: 999;
            background: rgba(6, 10, 20, .82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 0;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
            color: var(--text);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(34, 211, 238, .08);
            border: 1px solid rgba(34, 211, 238, .22);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .logo-icon svg {
            width: 34px;
            height: 34px;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.35;
        }

        .logo-text strong {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .logo-text span {
            font-size: 11px;
            color: var(--text-weak);
            white-space: nowrap;
        }

        .search-zone {
            flex: 1 1 280px;
            max-width: 470px;
            margin-left: 4px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(148, 180, 255, .18);
            border-radius: 999px;
            padding: 9px 18px;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
            min-height: 42px;
            width: 100%;
        }

        .search-box:focus-within {
            border-color: rgba(34, 211, 238, .45);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, .1);
        }

        .search-box svg {
            width: 17px;
            height: 17px;
            stroke: var(--text-weak);
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: 0;
            outline: 0;
            color: var(--text);
            font-size: 14px;
            font-family: inherit;
            min-width: 0;
            cursor: not-allowed;
        }

        .search-box input::placeholder {
            color: #7b89a3;
        }

        .search-box input:disabled {
            opacity: .75;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            color: var(--text-main);
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .04);
        }

        .main-nav a.active {
            color: #fff;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            width: 18px;
            height: 2px;
            border-radius: 3px;
            background: var(--cyan);
            bottom: 1px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 8px rgba(34, 211, 238, .6);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border);
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
        }

        .nav-toggle span {
            width: 17px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }

        .site-header.nav-open .nav-toggle span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .site-header.nav-open .nav-toggle span:nth-child(2) {
            opacity: 0;
        }

        .site-header.nav-open .nav-toggle span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .article-hero {
            position: relative;
            overflow: hidden;
            padding: 66px 0 92px;
            border-bottom: 1px solid rgba(148, 180, 255, .12);
            background: var(--bg-soft);
        }

        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .24;
            z-index: 0;
        }

        .article-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 10, 20, .78), #060A14 92%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-main);
        }

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

        .breadcrumb-sep {
            opacity: .45;
        }

        .breadcrumb .current {
            color: #aebdd6;
            max-width: 320px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .article-title-wrap {
            max-width: 860px;
        }

        .article-title-wrap h1 {
            margin: 16px 0 10px;
            font-size: clamp(28px, 4.2vw, 46px);
            color: #fff;
            line-height: 1.34;
            font-weight: 700;
        }

        .article-title-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 13px;
        }

        .article-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-weak);
            font-size: 13px;
        }

        .article-date svg {
            width: 15px;
            height: 15px;
            stroke: var(--text-weak);
        }

        .article-main-area {
            margin-top: -38px;
            position: relative;
            z-index: 3;
            padding-bottom: 40px;
        }

        .article-content-card {
            background: var(--surface-strong);
            border: 1px solid rgba(148, 180, 255, .16);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: clamp(24px, 5vw, 58px);
            max-width: 820px;
            margin-inline: auto;
        }

        .article-body {
            max-width: 710px;
            margin-inline: auto;
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--text-main);
        }

        .article-body p {
            margin-bottom: 1.35em;
        }

        .article-body h2 {
            color: #fff;
            font-size: 26px;
            margin: 1.8em 0 .7em;
            padding-top: .35em;
            line-height: 1.45;
        }

        .article-body h3 {
            color: #f0f5ff;
            font-size: 20px;
            margin: 1.6em 0 .6em;
            line-height: 1.5;
        }

        .article-body h4 {
            color: #dce9ff;
            font-size: 17px;
            margin: 1.4em 0 .5em;
        }

        .article-body a {
            color: var(--cyan);
            border-bottom: 1px solid rgba(34, 211, 238, .35);
        }

        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.4em;
        }

        .article-body li {
            margin-bottom: .55em;
        }

        .article-body blockquote {
            margin: 1.6em 0;
            padding: 14px 18px;
            border-left: 4px solid var(--cyan);
            background: rgba(34, 211, 238, .07);
            border-radius: 0 10px 10px 0;
            color: #bde9f5;
        }

        .article-body img {
            border-radius: 14px;
            margin: 1.8em 0 .6em;
        }

        .article-figure-caption {
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
            margin-top: -6px;
            margin-bottom: 1.6em;
        }

        .article-step-block {
            counter-reset: step;
            margin: 1.7em 0;
            display: grid;
            gap: 16px;
        }

        .article-step-block .step-item {
            position: relative;
            counter-increment: step;
            padding: 18px 20px 16px 58px;
            background: rgba(255, 255, 255, .025);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }

        .article-step-block .step-item::before {
            content: counter(step);
            position: absolute;
            left: 14px;
            top: 18px;
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }

        .article-footer-return {
            max-width: 820px;
            margin: 22px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding-inline: 8px;
        }

        .text-return {
            color: var(--text-main);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: color var(--transition);
        }

        .text-return:hover {
            color: var(--cyan);
        }

        .related-articles {
            padding: 66px 0 32px;
        }

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

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

        .related-card {
            display: flex;
            flex-direction: column;
            background: rgba(16, 24, 40, .6);
            border: 1px solid rgba(148, 180, 255, .13);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform .3s ease, border-color .3s ease, background .3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, .35);
            background: rgba(20, 30, 48, .75);
        }

        .related-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

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

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

        .related-info {
            padding: 22px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-info .badge {
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .related-info h3 {
            font-size: 17px;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 9px;
        }

        .related-info p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
        }

        .article-empty {
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding-block: 80px;
        }

        .article-empty-inner {
            background: var(--surface-strong);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 50px 30px;
            max-width: 480px;
            width: 100%;
        }

        .article-empty-inner .empty-icon {
            width: 58px;
            height: 58px;
            margin: 0 auto 18px;
            background: rgba(23, 92, 255, .12);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--cyan);
        }

        .article-empty-inner p {
            font-size: 18px;
            color: var(--text);
            margin-bottom: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            line-height: 1;
            padding: 12px 24px;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            text-decoration: none;
            min-height: 44px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #175CFF, #22D3EE);
            color: #fff;
            box-shadow: 0 10px 24px rgba(23, 92, 255, .25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(23, 92, 255, .32);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 14px rgba(23, 92, 255, .2);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #dbe7ff;
        }

        .btn-ghost:hover {
            border-color: rgba(34, 211, 238, .55);
            background: rgba(34, 211, 238, .08);
            color: #fff;
        }

        .site-footer {
            background: #04080F;
            border-top: 1px solid rgba(148, 180, 255, .12);
            margin-top: 80px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 42px;
            padding: 60px 0 40px;
        }

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

        .footer-brand p {
            color: var(--text-weak);
            font-size: 14px;
            max-width: 320px;
            line-height: 1.9;
        }

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

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .footer-col a {
            color: var(--text-main);
            font-size: 14px;
            line-height: 1.6;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(148, 180, 255, .1);
            padding: 21px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px;
            color: var(--text-weak);
            font-size: 13px;
        }

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

        @media (max-width: 1180px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }

            .search-zone {
                margin-left: 0;
            }

            .main-nav {
                margin-left: auto;
            }
        }

        @media (max-width: 992px) {
            .section-block {
                padding-block: 72px;
            }

            .nav-toggle {
                display: flex;
                margin-left: auto;
            }

            .search-zone {
                order: 3;
                max-width: none;
                flex-basis: 100%;
                margin-top: 6px;
            }

            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                transform: translateX(-100%);
                z-index: 1100;
                flex-direction: column;
                background: rgba(8, 12, 22, .97);
                backdrop-filter: blur(22px);
                border-bottom: 1px solid var(--border);
                padding: 78px 24px 28px;
                transition: transform .4s ease;
                gap: 4px;
                min-height: auto;
                align-items: stretch;
            }

            .site-header.nav-open .main-nav {
                transform: translateX(0);
            }

            .main-nav a {
                padding: 14px 16px;
                border-radius: 10px;
                font-size: 16px;
                border-bottom: 1px solid rgba(148, 180, 255, .08);
            }

            .main-nav a.active::after {
                display: none;
            }

            .main-nav a.active {
                background: rgba(23, 92, 255, .18);
                color: #fff;
                border-left: 3px solid var(--cyan);
            }

            .article-content-card {
                padding: 32px 28px;
            }

            .article-content-card {
                max-width: 780px;
            }

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

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

        @media (max-width: 640px) {
            .header-inner {
                padding: 12px 0 14px;
            }

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

            .logo-text span {
                font-size: 10px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
            }

            .article-hero {
                padding: 44px 0 92px;
            }

            .article-title-wrap h1 {
                font-size: 28px;
            }

            .breadcrumb .current {
                width: 130px;
                overflow: hidden;
                white-space: nowrap;
                text-overflow: ellipsis;
                display: inline-block;
                vertical-align: bottom;
            }

            .article-content-card {
                padding: 22px 18px 28px;
                border-radius: 16px;
            }

            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-block: 36px;
            }

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

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 420px) {
            .search-box {
                padding: 8px 14px;
                min-height: 38px;
            }

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

            .article-body h2 {
                font-size: 21px;
            }

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

            .text-return {
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
  --bg: #060a14;
  --bg-2: #0c1322;
  --bg-deep: #04070e;
  --bg-card: rgba(15, 23, 42, .72);
  --line: rgba(148, 163, 184, .16);
  --line-soft: rgba(148, 163, 184, .1);
  --primary: #175cff;
  --primary-light: #3b82f6;
  --cyan: #22d3ee;
  --amber: #ffb454;
  --text: #e7eef8;
  --text-soft: #b2c1d6;
  --text-weak: #8898b2;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow: 0 18px 44px rgba(2, 8, 23, .35);
  --shadow-soft: 0 10px 28px rgba(2, 8, 23, .22);
  --grad-accent: linear-gradient(135deg, #175CFF, #22D3EE);
  --tr: .22s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 5%, rgba(34, 211, 238, .045), transparent 30%),
    radial-gradient(circle at 15% 50%, rgba(23, 92, 255, .05), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: #cad6e6;
  text-decoration: none;
  transition: color var(--tr), background-color var(--tr), border-color var(--tr), box-shadow var(--tr), opacity var(--tr);
}

a:hover {
  color: #fff;
}

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

ul,
ol,
dl,
p,
figure {
  margin: 0;
  padding: 0;
}

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

button {
  cursor: pointer;
  background: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 96px 0;
}

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

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

.text-gradient {
  background: linear-gradient(90deg, #fff, #7cf0ff, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
}

.kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: #fff;
}

.section-head h2 .line-muted {
  color: var(--text-soft);
}

.section-head p {
  color: var(--text-soft);
  font-size: 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  background: rgba(6, 10, 20, .86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  min-width: 0;
}

.logo-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(34, 211, 238, .08);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .18);
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.logo-icon svg {
  width: 30px;
  height: 30px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  white-space: nowrap;
}

.logo-text strong {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: #fff;
}

.logo-tag {
  font-size: 11px;
  color: var(--text-weak);
  letter-spacing: .08em;
}

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

.main-nav a {
  position: relative;
  padding: 9px 13px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-soft);
}

.main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .04);
}

.main-nav a.active {
  color: #fff;
  background: rgba(34, 211, 238, .12);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .24);
}

.header-search {
  position: relative;
  width: clamp(240px, 25vw, 340px);
  flex: 1 1 240px;
}

.header-search input {
  width: 100%;
  height: 44px;
  padding: 0 20px 0 44px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .055);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  transition: border-color var(--tr), box-shadow var(--tr), background-color var(--tr);
}

.header-search input::placeholder {
  color: var(--text-weak);
}

.header-search input:focus {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(34, 211, 238, .5);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .12);
}

.header-search svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px;
  height: 17px;
  color: var(--text-weak);
  pointer-events: none;
  opacity: .85;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .05);
  box-shadow: inset 0 0 0 1px var(--line);
  align-items: center;
  justify-content: center;
  transition: background-color var(--tr);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, .09);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0 2px;
  font-size: 13px;
  color: var(--text-weak);
}

.breadcrumb a {
  color: var(--text-weak);
  margin-right: 4px;
}

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

.breadcrumb span {
  margin: 0 6px;
  color: rgba(148, 163, 184, .5);
}

.breadcrumb .now {
  color: var(--text-soft);
}

/* Hero */
.page-hero {
  position: relative;
  padding: 74px 0 92px;
  background:
    linear-gradient(100deg, rgba(6, 10, 20, .93) 12%, rgba(9, 18, 31, .84) 46%, rgba(6, 10, 20, .68) 100%),
    linear-gradient(to top, rgba(6, 10, 20, .48), transparent 30%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  border-bottom: 1px solid var(--line-soft);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, .88fr);
  align-items: center;
  gap: 54px;
}

.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .22);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.22;
  margin: 0 0 22px;
  color: #fff;
  font-weight: 700;
  letter-spacing: -.025em;
}

.hero-content p.lead {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-soft);
  max-width: 610px;
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  transition: transform var(--tr), box-shadow var(--tr), background-color var(--tr), border-color var(--tr);
}

.btn:focus-visible {
  outline: 2px solid rgba(34, 211, 238, .6);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, #175CFF, #22D3EE);
  color: #fff;
  box-shadow: 0 12px 30px rgba(23, 92, 255, .34), inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(23, 92, 255, .44);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 8px 20px rgba(23, 92, 255, .26);
}

.btn-ghost {
  background: rgba(255, 255, 255, .06);
  box-shadow: inset 0 0 0 1px var(--line);
  color: #e3edf8;
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, .1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .24);
}

.btn-ghost:active {
  transform: translateY(1px);
  background: rgba(255, 255, 255, .04);
}

/* Hero visual card */
.hero-card-wrap {
  position: relative;
}

.browser-card {
  position: relative;
  border-radius: 18px;
  padding: 12px;
  border: 1px solid rgba(148, 163, 184, .22);
  background: linear-gradient(180deg, rgba(13, 20, 36, .92), rgba(10, 16, 30, .88));
  box-shadow: 0 24px 56px rgba(0, 0, 0, .42);
  backdrop-filter: blur(14px);
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px 14px;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(148, 163, 184, .3);
}

.browser-dots i:first-child {
  background: var(--amber);
}

.browser-address {
  flex: 1;
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  color: var(--text-weak);
  font-size: 12px;
}

.mode-tag {
  position: absolute;
  top: -12px;
  right: 18px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 180, 84, .16);
  color: var(--amber);
  box-shadow: inset 0 0 0 1px rgba(255, 180, 84, .24);
}

.login-mini {
  padding: 18px 16px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .035);
  border: 1px solid var(--line-soft);
}

.field-row {
  margin-bottom: 14px;
}

.field-row .field-label {
  display: block;
  color: var(--text-weak);
  font-size: 12px;
  margin-bottom: 6px;
}

.field-box {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 13px;
  border-radius: 9px;
  background: rgba(255, 255, 255, .05);
  border: 1px dashed rgba(148, 163, 184, .3);
  color: var(--text-weak);
  font-size: 13px;
  user-select: none;
}

.field-box.dark-dots {
  letter-spacing: 4px;
}

.login-mini .btn {
  width: 100%;
  margin-top: 16px;
  min-height: 42px;
}

.no-collect-tip {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  margin-top: 12px;
  color: var(--text-weak);
  font-size: 12px;
}

.no-collect-tip svg {
  width: 14px;
  height: 14px;
}

/* Section intro */
.intro-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 56px;
  align-items: center;
}

.intro-copy h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin: 4px 0 14px;
  line-height: 1.3;
  color: #fff;
}

.intro-copy > p {
  color: var(--text-soft);
  font-size: 16px;
  margin-bottom: 24px;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line-soft);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.75;
}

.check-list svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  color: var(--cyan);
}

.intro-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

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

.intro-media .media-note {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(6, 10, 20, .8);
  backdrop-filter: blur(8px);
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.7;
}

/* Route board */
.route-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 24px;
}

.route-poster {
  position: relative;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(6, 10, 20, .18), rgba(6, 10, 20, .78)),
    url('/assets/images/coverpic/cover-2.png') center / cover no-repeat;
  border: 1px solid var(--line);
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  padding: 30px;
  overflow: hidden;
}

.route-poster .poster-content {
  position: relative;
  z-index: 2;
  max-width: 300px;
}

.route-poster .light-tag {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .1em;
}

.route-poster h3 {
  color: #fff;
  font-size: 24px;
  line-height: 1.35;
  margin-bottom: 10px;
}

.route-poster p {
  color: #c8d2e0;
  font-size: 14px;
}

.route-list {
  display: grid;
  gap: 14px;
  grid-auto-rows: minmax(100px, auto);
}

.route-item {
  position: relative;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 20px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  transition: transform var(--tr), border-color var(--tr), background-color var(--tr), box-shadow var(--tr);
}

.route-item:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, .28);
  background: rgba(15, 23, 42, .88);
  box-shadow: var(--shadow-soft);
}

.route-item .route-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(23, 92, 255, .18);
  color: #7db1ff;
  box-shadow: inset 0 0 0 1px rgba(23, 92, 255, .2);
}

.route-item .route-icon svg {
  width: 20px;
  height: 20px;
}

.route-item h3 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 6px;
}

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

/* Interface walkthrough */
.ui-layout {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}

.walkthrough-list {
  list-style: none;
  display: grid;
  gap: 16px;
}

.walkthrough-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 20px 18px;
  background: rgba(255, 255, 255, .025);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  align-items: flex-start;
}

.walkthrough-num {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(23, 92, 255, .26), rgba(34, 211, 238, .12));
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.walkthrough-item h3 {
  color: #fff;
  font-size: 17px;
  margin: 2px 0 8px;
}

.walkthrough-item p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.8;
}

.ui-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: url('/assets/images/coverpic/cover-5.png') center / cover no-repeat;
  min-height: 320px;
  box-shadow: var(--shadow);
  position: relative;
}

.ui-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(6, 10, 20, .2), rgba(6, 10, 20, .65));
}

/* Cross box */
.cross-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.cross-item {
  padding: 24px 22px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  transition: transform var(--tr), border-color var(--tr), background-color var(--tr);
}

.cross-item:hover {
  transform: translateY(-2px);
  border-color: rgba(23, 92, 255, .32);
  background: rgba(15, 23, 42, .9);
}

.cross-item .cross-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--amber);
  background: rgba(255, 180, 84, .1);
  box-shadow: inset 0 0 0 1px rgba(255, 180, 84, .16);
}

.cross-item h3 {
  color: #fff;
  font-size: 17px;
  margin-bottom: 8px;
}

.cross-item p {
  color: var(--text-soft);
  font-size: 14px;
  margin-bottom: 12px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 500;
}

.text-link svg {
  width: 15px;
  height: 15px;
  transition: transform var(--tr);
}

.text-link:hover svg {
  transform: translateX(3px);
}

/* Notice bars */
.notice-list {
  display: grid;
  gap: 14px;
}

.notice {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-left: 3px solid var(--cyan);
  background: rgba(34, 211, 238, .05);
  border-radius: 0 12px 12px 0;
  color: var(--text-soft);
  font-size: 14px;
}

.notice strong {
  color: #fff;
  font-weight: 600;
}

.notice.warm {
  border-left-color: var(--amber);
  background: rgba(255, 180, 84, .05);
}

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

.faq-list {
  border-top: 1px solid var(--line-soft);
}

.faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 6px;
  text-align: left;
  color: #f0f4fa;
  font-size: 16px;
  font-weight: 500;
  background: none;
  transition: color var(--tr);
}

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

.faq-q .faq-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .06);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform var(--tr), background-color var(--tr);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(34, 211, 238, .1);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .24);
}

.faq-icon svg {
  width: 15px;
  height: 15px;
  color: var(--text-soft);
  transition: color var(--tr);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-answer-inner {
  padding: 0 34px 22px 6px;
  background: rgba(255, 255, 255, .012);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.9;
}

/* CTA */
.cta-section {
  padding: 88px 0;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 64px 56px;
  text-align: center;
  background:
    radial-gradient(circle at 75% 20%, rgba(34, 211, 238, .16), transparent 34%),
    radial-gradient(circle at 15% 80%, rgba(23, 92, 255, .25), transparent 34%),
    linear-gradient(180deg, rgba(13, 20, 34, .92), rgba(8, 13, 25, .97));
  border: 1px solid rgba(148, 163, 184, .18);
}

.cta-panel h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.35;
  margin: 0 auto 12px;
  max-width: 700px;
}

.cta-panel p {
  color: var(--text-soft);
  font-size: 16px;
  max-width: 610px;
  margin: 0 auto 26px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: #03060c;
  border-top: 1px solid rgba(148, 163, 184, .1);
  padding-top: 68px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .9fr .9fr 1.1fr;
  gap: 44px;
  padding-bottom: 38px;
}

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

.footer-grid .logo-icon {
  width: 38px;
  height: 38px;
}

.footer-grid .logo-icon svg {
  width: 28px;
  height: 28px;
}

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

.footer-brand p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.9;
  max-width: 330px;
}

.footer-col h4 {
  color: #dce5f0;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: var(--text-weak);
  font-size: 14px;
  transition: color var(--tr), padding-left var(--tr);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid rgba(148, 163, 184, .12);
  color: #5f6e86;
  font-size: 13px;
}

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

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

/* Responsive */
@media (max-width: 1024px) {
  .header-row {
    gap: 12px;
  }

  .main-nav a {
    padding-right: 9px;
    padding-left: 9px;
    font-size: 13px;
  }

  .hero-content h1 {
    font-size: 40px;
  }

  .hero-layout {
    gap: 32px;
  }

  .intro-grid {
    gap: 32px;
  }

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

  .route-poster {
    min-height: 280px;
  }

  .ui-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cross-box {
    gap: 16px;
  }

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

@media (max-width: 860px) {
  .section {
    padding: 72px 0;
  }

  .header-row {
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .logo {
    order: 1;
  }

  .nav-toggle {
    order: 2;
    display: inline-flex;
    margin-left: auto;
  }

  .header-search {
    order: 3;
    flex: 1 0 100%;
    max-width: 100%;
    margin-top: 4px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 500;
    height: 100vh;
    width: min(320px, 86vw);
    margin: 0;
    padding: 88px 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    background: rgba(4, 7, 14, .97);
    box-shadow: -16px 0 40px rgba(0, 0, 0, .44);
    transform: translateX(110%);
    transition: transform .3s ease;
    border-left: 1px solid var(--line-soft);
  }

  body.nav-open .main-nav {
    transform: translateX(0);
  }

  .main-nav a {
    width: 100%;
    font-size: 16px;
    padding: 13px 14px;
    border-radius: 10px;
  }

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

  .hero-card-wrap {
    max-width: 520px;
  }

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

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

  .cross-box {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 44px 28px;
  }

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

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .logo-text strong {
    font-size: 15px;
  }

  .logo-tag {
    font-size: 10px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
  }

  .logo-icon svg {
    width: 25px;
    height: 25px;
  }

  .header-search input {
    height: 42px;
  }

  .page-hero {
    padding: 52px 0 68px;
  }

  .hero-content h1 {
    font-size: 29px;
  }

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

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

  .browser-card {
    padding: 10px;
  }

  .login-mini {
    padding: 14px 12px 12px;
  }

  .btn {
    min-height: 44px;
    padding: 0 18px;
  }

  .route-poster {
    min-height: 220px;
    padding: 20px;
  }

  .route-poster h3 {
    font-size: 20px;
  }

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

  .walkthrough-num {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .cta-panel {
    padding: 36px 20px;
  }

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

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

/* roulang page: category2 */
:root{
  --bg:#060a14;
  --bg-2:#0c1322;
  --bg-3:#111b30;
  --card:rgba(15,26,44,.78);
  --card-solid:#0e1a2e;
  --line:rgba(139,168,216,.16);
  --line-strong:rgba(139,168,216,.26);
  --primary:#175cff;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --amber:#ffb454;
  --amber-soft:rgba(255,180,84,.13);
  --text:#eaf1fc;
  --text-2:#b8c8df;
  --muted:#8fa3c0;
  --weak:#687b9a;
  --danger:#ff8f8f;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(1,5,16,.32);
  --shadow-md:0 14px 34px rgba(2,8,23,.28);
  --shadow-sm:0 8px 22px rgba(2,8,23,.22);
  --tr:.22s cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
ul,ol{margin:0;padding:0}
li{list-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,figure{margin:0}
.container{width:min(1200px,100% - 48px);margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .overline{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--cyan);letter-spacing:1px;font-weight:600;padding:6px 14px;border-radius:999px;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.16)}
.section-head h2{font-size:clamp(24px,3.2vw,32px);line-height:1.35;margin:16px 0 12px;font-weight:700}
.section-head p{color:var(--muted);font-size:15px}
.lead-title{font-size:16px;color:var(--text-2);line-height:1.8}

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

/* header */
.site-header{
  position:relative;
  z-index:30;
  background:rgba(6,10,20,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-main{
  display:grid;
  grid-template-columns:auto minmax(320px,1fr) auto;
  align-items:center;
  gap:26px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  padding:8px 0;
}
.logo-icon{
  width:46px;
  height:46px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:linear-gradient(145deg,rgba(23,92,255,.2),rgba(34,211,238,.1));
  border:1px solid rgba(23,92,255,.34);
  flex:0 0 auto;
}
.logo-icon svg{width:28px;height:28px}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-text strong{
  font-size:17px;
  color:#fff;
  letter-spacing:.5px;
  white-space:nowrap;
}
.logo-text span{
  font-size:12px;
  color:var(--muted);
  margin-top:5px;
  letter-spacing:.3px;
}
.top-search{
  display:flex;
  flex-direction:column;
  justify-content:center;
  width:100%;
}
.search-shell{
  display:flex;
  align-items:center;
  gap:8px;
  width:100%;
  max-width:650px;
  margin:0 auto;
  height:48px;
  padding:0 6px 0 14px;
  background:rgba(18,28,48,.92);
  border:1px solid rgba(119,164,255,.16);
  border-radius:999px;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.search-shell:focus-within{
  border-color:rgba(34,211,238,.62);
  box-shadow:0 0 0 4px rgba(34,211,238,.08),var(--shadow-sm);
}
.search-icon{flex:0 0 auto;display:grid;place-items:center;color:var(--weak)}
.search-shell input{
  min-width:0;
  flex:1;
  height:34px;
  border:none;
  outline:none;
  background:transparent;
  color:var(--text);
  font-size:14px;
}
.search-shell input::placeholder{color:var(--weak)}
.search-shell button{
  flex:0 0 auto;
  height:36px;
  padding:0 20px;
  border:none;
  border-radius:999px;
  color:#fff;
  font-size:14px;
  font-weight:600;
  background:linear-gradient(135deg,#22d3ee,#175cff);
  cursor:pointer;
  transition:transform var(--tr),filter var(--tr),box-shadow var(--tr);
}
.search-shell button:hover{filter:brightness(1.14);box-shadow:0 6px 18px rgba(23,92,255,.3);transform:translateY(-1px)}
.search-shell button:active{transform:translateY(0)}

.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(20,31,53,.8);
  border:1px solid var(--line);
  color:#fff;
  cursor:pointer;
}
.menu-toggle:hover{background:rgba(40,66,102,.6)}
.menu-toggle svg{width:20px;height:20px}

/* main nav */
.main-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  border-top:1px solid var(--line);
  padding:0 8px;
}
.main-nav a{
  display:inline-flex;
  align-items:center;
  padding:15px 14px 14px;
  font-size:15px;
  color:var(--text-2);
  font-weight:500;
  position:relative;
  transition:color var(--tr);
  white-space:nowrap;
}
.main-nav a:hover{color:#fff}
.main-nav a.active{color:#fff}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
  border-radius:2px;
  box-shadow:0 0 12px rgba(34,211,238,.5);
}

/* breadcrumb */
.breadcrumb{
  padding:18px 0 0;
  font-size:13px;
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--weak);
}
.breadcrumb a{color:var(--muted);transition:color var(--tr)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-style:normal;color:var(--weak);opacity:.6}
.breadcrumb [aria-current="page"]{color:var(--text-2)}

/* hero */
.category-hero{
  position:relative;
  padding:62px 0 70px;
  overflow:hidden;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(6,10,20,.93),rgba(6,10,20,.96)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat,
    var(--bg-2);
  z-index:-2;
}
.category-hero::after{
  content:"";
  position:absolute;
  width:560px;
  height:560px;
  left:-180px;
  top:-80px;
  background:radial-gradient(circle,rgba(23,92,255,.2),transparent 64%);
  z-index:-1;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:52px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  font-size:13px;
  font-weight:600;
  letter-spacing:.5px;
  color:var(--cyan);
  padding:7px 14px;
  border-radius:999px;
  background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.16);
}
.hero-kicker::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,47px);
  line-height:1.28;
  margin:18px 0 20px;
  font-weight:700;
  letter-spacing:.3px;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),#8db8ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-copy .lead{
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  color:#fff;
  background:linear-gradient(135deg,#1966ff,#22d3ee);
  box-shadow:0 12px 30px rgba(23,92,255,.28);
  transition:transform var(--tr),filter var(--tr),box-shadow var(--tr),background var(--tr);
  cursor:pointer;
}
.btn:hover{
  transform:translateY(-2px);
  filter:brightness(1.1);
  box-shadow:0 15px 34px rgba(23,92,255,.36);
}
.btn:active{
  transform:translateY(0);
  filter:brightness(.94);
  box-shadow:0 6px 14px rgba(23,92,255,.22);
}
.btn-ghost{
  background:rgba(17,27,47,.6);
  border:1px solid rgba(153,184,255,.28);
  box-shadow:none;
  color:var(--text);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(23,92,255,.16);
  border-color:rgba(34,211,238,.4);
  filter:none;
}
.btn-ghost:active{
  background:rgba(23,92,255,.1);
  transform:scale(.98);
}
.hero-aside{
  position:relative;
}
.signal-card{
  border-radius:18px;
  background:rgba(11,20,38,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(10px);
  overflow:hidden;
  padding:24px;
}
.signal-card-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding-bottom:15px;
  border-bottom:1px solid var(--line);
}
.signal-card-header strong{font-size:17px;font-weight:600}
.signal-card-header span{font-size:12px;color:var(--weak);line-height:1.6;text-align:right;margin-top:2px}
.signal-list{margin-top:14px;display:grid;gap:10px}
.signal-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 14px;
  border-radius:12px;
  background:rgba(14,25,44,.7);
  border:1px solid transparent;
  transition:background var(--tr),border-color var(--tr),transform var(--tr);
}
.signal-item:hover{
  border-color:var(--line-strong);
  transform:translateX(3px);
  background:rgba(22,41,72,.65);
}
.signal-label{font-size:14px;font-weight:500;color:var(--text-2)}
.signal-tag{font-size:12px;color:var(--weak);white-space:nowrap;padding:3px 8px;border-radius:999px;background:rgba(255,180,84,.1)}
.signal-item .signal-tag:nth-child(2){background:rgba(34,211,238,.1);color:var(--cyan)}

/* signal card grid */
.odd-section{
  border-top:1px solid var(--line);
  background:radial-gradient(900px 300px at 80% -40px,rgba(23,92,255,.12),transparent 60%),var(--bg);
}
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.type-card{
  position:relative;
  border-radius:var(--radius-lg);
  background:var(--card);
  border:1px solid var(--line);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.type-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--primary),var(--cyan));
  opacity:0;
  transition:opacity var(--tr);
}
.type-card:hover{
  transform:translateY(-6px);
  border-color:rgba(115,165,235,.28);
  box-shadow:var(--shadow-md);
  background:rgba(17,31,56,.88);
}
.type-card:hover::before{opacity:1}
.type-icon{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:rgba(34,211,238,.13);
  border:1px solid rgba(34,211,238,.18);
  color:var(--cyan);
  margin-bottom:18px;
}
.type-card h3{font-size:17px;margin-bottom:10px;font-weight:600;color:#fff}
.type-card p{font-size:14px;color:var(--muted);line-height:1.8;min-height:72px}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:13px;
  color:var(--cyan);
  font-weight:500;
  transition:gap var(--tr),color var(--tr);
}
.card-link:hover{gap:11px;color:#fff}
.type-card.amber .type-icon{background:var(--amber-soft);border-color:rgba(255,180,84,.16);color:var(--amber)}
.type-card.amber:hover{border-color:rgba(255,180,84,.24)}

/* process section */
.process-bg{
  position:relative;
  padding:90px 0;
  overflow:hidden;
}
.process-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(rgba(7,12,23,.94),rgba(7,12,23,.98)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.container{position:relative;z-index:2}
.process-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:start;
}
.timeline{
  position:relative;
  padding:4px 0 0 10px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:36px;
  top:26px;
  bottom:40px;
  width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(34,211,238,.2),transparent);
}
.tl-item{
  position:relative;
  padding-left:74px;
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;
  left:0;
  top:0;
  width:44px;
  height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-weight:700;
  font-size:15px;
  color:#fff;
  background:linear-gradient(145deg,#1966ff,#22d3ee);
  box-shadow:0 8px 18px rgba(23,92,255,.28);
  letter-spacing:.5px;
}
.tl-item h3{font-size:18px;color:#fff;margin-bottom:8px;font-weight:600}
.tl-item p{color:var(--muted);font-size:14px;line-height:1.85;max-width:560px}
.tl-item .tip-link{display:inline-flex;margin-top:9px;font-size:13px;color:var(--cyan)}
.process-side{
  position:sticky;
  top:30px;
  border-radius:var(--radius-lg);
  background:rgba(13,24,43,.84);
  border:1px solid var(--line);
  box-shadow:var(--shadow-md);
  overflow:hidden;
  backdrop-filter:blur(10px);
}
.process-side img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.side-body{padding:24px}
.side-body h3{font-size:18px;font-weight:600;margin-bottom:12px}
.side-body p{font-size:14px;line-height:1.9;color:var(--text-2)}
.side-note{
  margin-top:18px;
  padding:14px 16px;
  border-radius:12px;
  border-left:3px solid var(--amber);
  background:rgba(255,180,84,.08);
  color:var(--text-2);
  font-size:13px;
  line-height:1.8;
}
.side-note strong{color:var(--amber);font-weight:600}

/* memo cover */
.memo-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:50px;
  align-items:center;
}
.memo-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
  background:var(--bg-2);
}
.memo-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.memo-note{
  position:absolute;
  left:16px;
  bottom:16px;
  right:16px;
  padding:10px 14px;
  border-radius:10px;
  background:rgba(6,10,22,.78);
  backdrop-filter:blur(8px);
  color:#d9e6fa;
  font-size:13px;
  border:1px solid var(--line);
  text-align:center;
}
.memo-copy h2{font-size:clamp(23px,3vw,30px);color:#fff;line-height:1.4;margin-bottom:14px}
.memo-copy .lead{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:24px}
.check-list{display:grid;gap:16px}
.check-list li{
  display:grid;
  grid-template-columns:28px 1fr;
  gap:10px;
  align-items:flex-start;
  color:var(--text-2);
  font-size:14px;
  line-height:1.8;
}
.check-list li::before{
  content:url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='12' cy='12' r='10' fill='rgba(34,211,238,.15)' stroke='%2322d3ee' stroke-width='1.5'/%3E%3Cpath d='M8 12.2L11.3 15.4L16.2 9' stroke='%2322d3ee' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  display:block;
  margin-top:2px;
}
.check-list li b{color:#e6effc;font-weight:600}

/* table section */
.table-pan{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:rgba(13,22,40,.72);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto}
.rate-table{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
  font-size:14px;
}
.rate-table th{
  text-align:left;
  padding:16px 20px;
  font-weight:600;
  color:#d8e7fa;
  background:rgba(18,32,55,.95);
  white-space:nowrap;
}
.rate-table td{
  padding:17px 20px;
  border-top:1px solid var(--line);
  color:var(--text-2);
  vertical-align:top;
}
.rate-table tr{transition:background var(--tr)}
.rate-table tbody tr:hover{background:rgba(24,49,83,.34)}
.rate-table td strong{color:#eaf1fc;font-weight:600}
.tag-chip{
  display:inline-block;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  background:rgba(34,211,238,.1);
  color:var(--cyan);
  white-space:nowrap;
}

/* faq */
.faq-list{max-width:840px;margin:0 auto}
.faq-row{
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background var(--tr);
}
.faq-row:first-child{border-top:1px solid var(--line)}
.faq-row summary{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 6px;
  font-size:16px;
  font-weight:500;
  color:#e2ecfa;
  cursor:pointer;
  list-style:none;
  transition:color var(--tr),padding-left var(--tr);
}
.faq-row summary::-webkit-details-marker{display:none}
.faq-row summary:hover{padding-left:10px;color:#fff}
.faq-row summary::after{
  content:"+";
  margin-left:auto;
  width:26px;
  height:26px;
  border-radius:8px;
  display:grid;
  place-items:center;
  align-self:center;
  flex:0 0 auto;
  font-size:18px;
  color:var(--cyan);
  background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.14);
}
.faq-row details[open] summary{
  color:#fff;
  padding-left:10px;
}
.faq-row details[open] summary::after{
  content:"−";
  background:rgba(23,92,255,.24);
  color:#fff;
  border-color:rgba(23,92,255,.35);
}
.faq-answer{
  color:var(--muted);
  font-size:14px;
  line-height:1.95;
  padding:0 40px 22px 10px;
}
.faq-answer a{color:var(--cyan);border-bottom:1px solid rgba(34,211,238,.4);transition:border-color var(--tr)}
.faq-answer a:hover{border-color:transparent}

/* cta */
.cta-area{
  position:relative;
  padding:88px 0 0;
}
.cta-wrap{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(23,92,255,.24),rgba(34,211,238,.1)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  box-shadow:var(--shadow-lg);
  padding:60px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(rgba(6,11,24,.58),rgba(6,11,24,.65));
  z-index:1;
}
.cta-inner{
  position:relative;
  z-index:2;
  max-width:640px;
}
.cta-inner .overline{font-size:13px;color:var(--cyan);font-weight:600}
.cta-inner h2{font-size:clamp(24px,3vw,34px);margin:12px 0 12px;line-height:1.35;color:#fff}
.cta-inner p{color:var(--text-2);font-size:15px;line-height:1.9}
.cta-action{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{
  background:#050811;
  border-top:1px solid var(--line);
  padding:60px 0 0;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .9fr .8fr 1fr;
  gap:40px;
  padding-bottom:38px;
}
.footer-brand p{
  color:var(--muted);
  font-size:13px;
  line-height:1.9;
  margin-top:15px;
  max-width:300px;
}
.footer-col h4{
  font-size:15px;
  color:#e6eefb;
  margin-bottom:15px;
  font-weight:600;
}
.footer-col a{
  display:block;
  font-size:13px;
  color:var(--muted);
  padding:6px 0;
  transition:color var(--tr),transform var(--tr);
}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:20px 0;
  border-top:1px solid var(--line);
  color:var(--weak);
  font-size:13px;
}
.footer-bottom a{
  color:var(--weak);
  transition:color var(--tr);
  padding:6px 0;
}
.footer-bottom a:hover{color:var(--cyan)}
.site-footer .logo{display:inline-flex}
.site-footer .logo-text strong{white-space:normal;font-size:16px}
.site-footer .logo-text span{display:none}

/* responsive */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .type-card p{min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .process-grid{grid-template-columns:1fr}
  .process-side{position:static}
  .memo-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .header-main{
    grid-template-columns:minmax(0,1fr) auto;
    gap:10px 18px;
    padding-top:12px;
    padding-bottom:12px;
  }
  .logo{grid-column:1;}
  .menu-toggle{
    display:flex;
    grid-column:2;
    justify-self:end;
  }
  .top-search{
    grid-column:1 / -1;
    grid-row:2;
    padding-top:4px;
    max-width:100%;
  }
  .main-nav{
    display:none;
    flex-direction:column;
    align-items:stretch;
    border-top:none;
    padding:8px 0 12px;
  }
  .main-nav.open{display:flex}
  .main-nav a{
    justify-content:space-between;
    padding:14px 8px;
    border-bottom:1px solid rgba(139,168,216,.08);
  }
  .main-nav a.active::after{
    left:auto;
    right:8px;
    bottom:10px;
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--cyan);
  }
  .section{padding:64px 0}
  .cta-wrap{padding:44px 26px}
  .cta-action{width:100%}
  .cta-action .btn{flex:1}
}
@media (max-width:620px){
  .container{width:min(100% - 30px,1200px)}
  .hero-copy h1{font-size:29px}
  .hero-actions .btn{width:100%}
  .hero-copy .lead{font-size:15px}
  .grid-4{grid-template-columns:1fr}
  .tl-item{padding-left:62px}
  .tl-item h3{font-size:16px}
  .signal-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .logo-text strong{font-size:15px;white-space:normal}
  .logo-text span{font-size:11px}
  .cta-wrap{display:block}
  .cta-action{margin-top:20px}
  .cta-inner h2{font-size:24px}
  .check-list li{grid-template-columns:24px 1fr}
  .rate-table{font-size:13px}
}

/* roulang page: category3 */
:root {
  --bg: #060A14;
  --bg-2: #0C1322;
  --bg-3: #111A2C;
  --primary: #175CFF;
  --primary-deep: #0f45c8;
  --cyan: #22D3EE;
  --amber: #FFB454;
  --text: #EDF2FB;
  --text-weak: #9AA9C0;
  --border: rgba(148,163,184,.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --space-section: 100px;
  --container: 1200px;
  --shadow: 0 18px 40px rgba(2,8,23,.35);
  --transition: .25s ease;
  --glow: 0 0 0 4px rgba(34,211,238,.14);
}
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
input, button { font-family: inherit; }
button { cursor: pointer; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid rgba(34,211,238,.9);
  outline-offset: 3px;
  border-radius: 6px;
}
.container { max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6,10,20,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 24px;
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
}
.logo { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; min-width: max-content; }
.logo-icon { width: 36px; height: 36px; flex: 0 0 auto; border-radius: 10px; background: rgba(23,92,255,.14); border: 1px solid rgba(34,211,238,.3); display: flex; align-items: center; justify-content: center; }
.logo-icon svg { width: 30px; height: 30px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.3; }
.logo-text strong { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: .02em; white-space: nowrap; }
.logo-text span { font-size: 11px; color: var(--text-weak); white-space: nowrap; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1 1 auto; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--text-weak);
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
  white-space: nowrap;
}
.main-nav a:hover { color: #fff; background: rgba(148,163,184,.08); }
.main-nav a.active { color: #fff; background: rgba(23,92,255,.18); box-shadow: inset 0 0 0 1px rgba(34,211,238,.2); }
.main-nav a.active::after { content: ""; position: absolute; left: 50%; bottom: -2px; transform: translateX(-50%); width: 16px; height: 2px; border-radius: 2px; background: var(--cyan); }
.search-main { display: flex; align-items: center; flex: 1 1 auto; max-width: 330px; min-width: 240px; margin-left: auto; background: rgba(12,19,34,.75); border: 1px solid rgba(125,177,255,.22); border-radius: var(--radius-pill); padding: 0 8px 0 16px; height: 40px; transition: border-color var(--transition), box-shadow var(--transition); }
.search-main:focus-within { border-color: rgba(34,211,238,.7); box-shadow: var(--glow); }
.search-main .search-icon { color: var(--text-weak); font-size: 14px; margin-right: 8px; }
.search-main-input { flex: 1; background: transparent; border: 0; outline: 0; color: var(--text); font-size: 13px; min-width: 0; cursor: text; }
.search-main-input::placeholder { color: #72829b; }
.search-main-i { display: inline-flex; background: linear-gradient(135deg, var(--primary), var(--cyan)); color: #fff; font-size: 11px; border-radius: var(--radius-pill); padding: 4px 10px; margin-left: 6px; flex: 0 0 auto; }
.nav-toggle { display: none; border: 1px solid var(--border); background: rgba(12,19,34,.8); color: var(--text); width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 12px; font-size: 18px; }
.mobile-search-row { display: none; padding: 0 24px 12px; max-width: var(--container); margin: 0 auto; }
.breadcrumb { background: rgba(255,255,255,.015); border-bottom: 1px solid rgba(148,163,184,.08); }
.breadcrumb .container { display: flex; align-items: center; gap: 8px; padding: 11px 24px; font-size: 13px; color: var(--text-weak); }
.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb i { font-size: 12px; color: #54627a; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 11px 22px; border-radius: var(--radius-md); font-size: 14px; font-weight: 600; border: 1px solid transparent; transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition); }
.btn-primary { background: linear-gradient(135deg, var(--primary) 0%, #0ea5c9 100%); color: #fff; box-shadow: 0 10px 26px rgba(23,92,255,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(34,211,238,.24); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 6px 14px rgba(2,8,23,.3); }
.btn-ghost { background: rgba(13,20,36,.55); border-color: rgba(125,177,255,.36); color: #dfeaff; backdrop-filter: blur(8px); }
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(34,211,238,.62); background: rgba(34,211,238,.07); color: #fff; }
.btn-ghost:active { transform: translateY(0); }
.page-hero { position: relative; background-color: var(--bg); background-image: linear-gradient(rgba(6,10,20,.82), rgba(6,10,20,.92)), url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center 35%; border-bottom: 1px solid var(--border); padding: 78px 0 82px; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(34,211,238,.04) 1px, transparent 1px); background-size: 48px 48px; pointer-events: none; }
.hero-split { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(320px,.65fr); gap: 48px; align-items: center; position: relative; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.22); color: #b8f3ff; border-radius: var(--radius-pill); padding: 6px 14px; font-size: 12px; font-weight: 600; letter-spacing: .06em; }
.hero-title { font-size: clamp(2.15rem, 5vw, 3.35rem); line-height: 1.22; margin: 18px 0 16px; font-weight: 700; letter-spacing: .01em; }
.hero-title .accent { color: var(--cyan); }
.hero-sub { font-size: 15px; line-height: 1.9; color: var(--text-weak); max-width: 640px; margin: 0 0 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.hero-tags li { background: rgba(255,180,84,.1); border: 1px solid rgba(255,180,84,.18); color: #ffd5a1; padding: 4px 12px; border-radius: var(--radius-pill); font-size: 12px; }
.faq-hero-card { position: relative; border-radius: var(--radius-lg); background: rgba(13,20,36,.68); border: 1px solid var(--border); padding: 22px; box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.faq-hero-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: 13px; color: var(--text-weak); border-bottom: 1px dashed rgba(148,163,184,.16); padding-bottom: 12px; }
.faq-index-pill { background: rgba(34,211,238,.1); color: var(--cyan); border: 1px solid rgba(34,211,238,.2); padding: 3px 10px; border-radius: var(--radius-pill); font-size: 11px; }
.faq-preview-rows { display: flex; flex-direction: column; gap: 10px; }
.faq-preview-rows div { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,.025); border: 1px solid rgba(125,177,255,.1); padding: 10px 14px; border-radius: var(--radius-md); }
.faq-preview-rows span { width: 30px; height: 30px; border-radius: 50%; background: rgba(23,92,255,.15); color: var(--cyan); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.faq-preview-rows p { margin: 0; font-size: 13px; color: var(--text); }
.section { padding: var(--space-section) 0; }
.section-head { display: flex; flex-direction: column; gap: 6px; margin-bottom: 40px; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.35; margin: 0; font-weight: 700; letter-spacing: .01em; }
.section-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); }
.section-lead { color: var(--text-weak); max-width: 680px; margin-top: 10px; }
.catalog-section { padding-bottom: 60px; }
.catalog-split { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(300px,.9fr); gap: 28px; align-items: stretch; }
.catalog-list { display: flex; flex-direction: column; gap: 10px; }
.catalog-item { display: flex; align-items: center; gap: 16px; background: rgba(13,20,36,.72); border: 1px solid var(--border); padding: 15px 18px; border-radius: var(--radius-md); transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
.catalog-item:hover { background: rgba(20,30,52,.86); border-color: rgba(34,211,238,.28); transform: translateY(-2px); box-shadow: var(--shadow); }
.catalog-num { width: 38px; height: 38px; border-radius: 12px; background: rgba(23,92,255,.16); color: #85b0ff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; font-family: Consolas, monospace; flex: 0 0 auto; }
.catalog-item strong { color: var(--text); font-size: 15px; font-weight: 600; display: block; }
.catalog-item small { color: var(--text-weak); font-size: 12px; display: block; margin-top: 2px; }
.catalog-item .fa-arrow-right { margin-left: auto; color: var(--text-weak); transition: transform var(--transition), color var(--transition); }
.catalog-item:hover .fa-arrow-right { color: var(--cyan); transform: translateX(4px); }
.catalog-preview { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 360px; display: flex; align-items: flex-end; isolation: isolate; border: 1px solid var(--border); }
.catalog-preview-bg { position: absolute; inset: 0; z-index: -2; background: url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat; }
.catalog-preview-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,10,20,.25), rgba(6,10,20,.9)); }
.catalog-preview-info { padding: 26px; width: 100%; }
.catalog-preview-info h3 { margin: 0 0 8px; font-size: 20px; }
.catalog-preview-info p { margin: 0 0 18px; color: #c4d0e3; font-size: 13px; max-width: 380px; }
.detail-block { padding-top: 0; }
.detail-block + .detail-block { margin-top: 22px; }
.detail-heading { display: flex; gap: 16px; align-items: flex-start; border-left: 3px solid var(--cyan); padding: 6px 0 10px 20px; margin-bottom: 32px; }
.detail-step { display: inline-flex; width: 36px; height: 36px; background: rgba(23,92,255,.18); border: 1px solid rgba(125,177,255,.3); border-radius: 10px; color: var(--cyan); align-items: center; justify-content: center; font-weight: 700; font-size: 14px; flex: 0 0 auto; }
.detail-heading h2 { margin: 0 0 6px; font-size: clamp(1.35rem, 2.4vw, 1.8rem); line-height: 1.4; }
.detail-heading p { margin: 0; color: var(--text-weak); font-size: 14px; }
.duo-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.95fr); gap: 32px; align-items: center; }
.figure-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); aspect-ratio: 4 / 3; border: 1px solid var(--border); background: #0d1626; min-height: 250px; }
.figure-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.figure-card:hover img { transform: scale(1.03); }
.figure-tag { position: absolute; left: 16px; top: 16px; background: rgba(6,10,20,.75); border: 1px solid rgba(34,211,238,.28); color: #cdf7ff; padding: 4px 12px; border-radius: var(--radius-pill); font-size: 12px; backdrop-filter: blur(6px); }
.point-list { display: flex; flex-direction: column; gap: 14px; }
.point-item { background: rgba(13,20,36,.6); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 20px; transition: border-color var(--transition), background var(--transition); }
.point-item:hover { background: rgba(17,27,48,.8); border-color: rgba(34,211,238,.22); }
.point-item h3 { margin: 0 0 6px; font-size: 16px; color: #fff; }
.point-item p { margin: 0; font-size: 14px; color: var(--text-weak); }
.route-section { padding-top: 0; }
.route-wrap { position: relative; display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.route-wrap::before { content: ""; position: absolute; left: 16px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(180deg, rgba(23,92,255,.4), rgba(34,211,238,.6)); }
.route-node { position: relative; display: flex; gap: 18px; align-items: flex-start; }
.route-index { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #0ba5c5); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; border: 3px solid #0a1222; margin-left: 0; position: relative; z-index: 1; }
.route-card { background: rgba(13,20,36,.65); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px 20px; flex: 1; }
.route-card h3 { margin: 0 0 6px; font-size: 15px; color: #fff; }
.route-card p { margin: 0; font-size: 14px; color: var(--text-weak); }
.route-card .time-note { display: inline-block; margin-top: 10px; font-size: 12px; color: var(--amber); background: rgba(255,180,84,.08); padding: 2px 8px; border-radius: 6px; }
.adjust-list { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
.adjust-row { display: grid; grid-template-columns: 170px minmax(0,1fr) auto; gap: 20px; padding: 24px 4px; border-bottom: 1px solid var(--border); align-items: start; transition: background var(--transition); }
.adjust-row:hover { background: rgba(255,255,255,.018); }
.adjust-title { font-weight: 600; color: #fff; font-size: 15px; }
.adjust-desc { color: var(--text-weak); font-size: 14px; margin: 0; }
.advice-tag { color: var(--cyan); font-size: 12px; background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.2); padding: 4px 10px; border-radius: var(--radius-pill); white-space: nowrap; }
.related-topic { margin-top: 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: rgba(23,92,255,.08); border: 1px solid rgba(23,92,255,.2); padding: 16px 20px; border-radius: var(--radius-md); }
.related-topic p { margin: 0; font-size: 14px; color: var(--text-weak); }
.related-topic a { color: var(--cyan); font-size: 14px; font-weight: 600; white-space: nowrap; }
.faq-section { background: linear-gradient(180deg, rgba(9,13,25,.55), var(--bg)); border-top: 1px solid var(--border); }
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-box { border-top: 1px solid rgba(148,163,184,.16); }
.faq-item { border-bottom: 1px solid rgba(148,163,184,.14); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; text-align: left; background: transparent; border: 0; padding: 22px 4px; color: var(--text); font-size: 15px; font-weight: 600; line-height: 1.6; transition: color var(--transition); }
.faq-q:hover { color: #fff; }
.faq-q i { color: var(--cyan); font-size: 14px; transition: transform var(--transition); flex: 0 0 auto; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-item .faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s ease; padding: 0 20px; color: var(--text-weak); font-size: 14px; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 20px 22px; }
.faq-a p { margin: 0 0 8px; }
.cta-section { padding: 70px 0 90px; }
.cta-box { position: relative; overflow: hidden; text-align: center; background: radial-gradient(ellipse at top, rgba(23,92,255,.22), rgba(6,10,20,.96) 65%), linear-gradient(135deg, rgba(34,211,238,.08), rgba(6,10,20,.95)); border: 1px solid rgba(125,177,255,.26); border-radius: 24px; padding: 56px 32px; }
.cta-box::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(34,211,238,.04) 1px, transparent 1px); background-size: 44px 44px; }
.cta-box h2 { margin: 0 0 12px; font-size: clamp(1.6rem, 3vw, 2.3rem); position: relative; }
.cta-box p { margin: 0 auto 28px; max-width: 640px; color: var(--text-weak); font-size: 15px; position: relative; }
.heading-rule { width: 48px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--primary), var(--cyan)); margin: 6px 0 0; }
.site-footer { background: #04070e; border-top: 1px solid rgba(148,163,184,.1); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 44px; margin-bottom: 38px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 13px; color: var(--text-weak); line-height: 1.9; margin: 14px 0 0; max-width: 360px; }
.footer-col { display: flex; flex-direction: column; gap: 9px; }
.footer-col h4 { font-size: 14px; color: #fff; margin: 0 0 10px; font-weight: 600; }
.footer-col a { font-size: 13px; color: var(--text-weak); transition: color var(--transition); }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(148,163,184,.1); padding-top: 22px; font-size: 13px; color: var(--text-weak); }
.footer-bottom a { color: var(--text-weak); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--cyan); }
@media (max-width: 1140px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .search-main.desktop-search { display: none; }
  .main-nav { display: none; position: absolute; top: calc(100% + 8px); left: 20px; right: 20px; background: rgba(12,19,34,.98); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 12px; flex-direction: column; z-index: 80; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { justify-content: center; width: 100%; }
  .mobile-search-row { display: block; }
  .search-main { background: rgba(12,19,34,.75); border: 1px solid rgba(125,177,255,.22); border-radius: var(--radius-pill); padding: 0 8px 0 14px; height: 40px; }
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
  .faq-hero-card { max-width: 560px; }
  .duo-grid { grid-template-columns: 1fr; gap: 22px; }
  .side-cta-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  :root { --space-section: 72px; }
  .catalog-split { grid-template-columns: 1fr; }
  .adjust-row { grid-template-columns: 1fr; gap: 8px; }
  .adjust-row .advice-tag { justify-self: start; }
  .cta-box { padding: 42px 22px; }
}
@media (max-width: 600px) {
  :root { --space-section: 56px; }
  .header-inner { padding-left: 16px; padding-right: 16px; }
  .logo-text strong { font-size: 15px; }
  .logo-text span { font-size: 10px; }
  .mobile-search-row { padding-left: 16px; padding-right: 16px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .hero-title { font-size: 2rem; }
  .catalog-item { flex-wrap: wrap; }
  .catalog-item small { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .related-topic { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category4 */
:root {
  --bg: #060A14;
  --bg-soft: #0C1322;
  --bg-card: rgba(13, 21, 37, .76);
  --bg-card-strong: rgba(15, 25, 42, .9);
  --line: rgba(148, 179, 218, .14);
  --line-strong: rgba(121, 208, 255, .28);
  --primary: #175CFF;
  --primary-light: #4D7DFF;
  --cyan: #22D3EE;
  --amber: #FFB454;
  --text: #EAF1FB;
  --text-secondary: #B6C4D9;
  --text-weak: #73839C;
  --success: #3DD68C;
  --warn: #FFB454;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow: 0 18px 44px rgba(1, 7, 18, .36);
  --glow: 0 0 0 1px rgba(40, 197, 255, .28), 0 12px 32px rgba(16, 96, 255, .24);
  --transition: all .25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(rgba(34, 211, 238, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, .022) 1px, transparent 1px);
  background-size: 52px 52px;
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.readonly, input[readonly] { user-select: none; }
a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}
a:hover { color: #B7F0FB; }
img { display: block; width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 8px;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-right: 24px;
  padding-left: 24px;
}
.container-narrow { max-width: 920px; margin: 0 auto; }
.section { padding: 96px 0; }
.section + .section { padding-top: 0; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
}
.section-head .eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  opacity: .65;
}
.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.section-head p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
}
.section-head.center { margin-right: auto; margin-left: auto; text-align: center; }
.section-head.center .eyebrow::after { content: ""; width: 22px; height: 1px; background: var(--cyan); opacity: .65; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #0E8DBD);
  box-shadow: var(--glow);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 0 0 1px rgba(78, 226, 255, .36), 0 16px 40px rgba(14, 140, 195, .3); }
.btn-ghost {
  color: var(--text);
  border-color: rgba(154, 207, 247, .34);
  background: rgba(16, 28, 45, .55);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { border-color: rgba(94, 230, 255, .45); background: rgba(24, 40, 64, .58); color: #fff; }
.btn-sm { padding: 10px 18px; font-size: 14px; border-radius: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(6, 10, 20, .88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.header-top {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 15px 0 8px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  color: var(--text);
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(23, 92, 255, .24), rgba(34, 211, 238, .12));
  border: 1px solid rgba(82, 185, 255, .22);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.3; }
.logo-text strong { font-size: 18px; font-weight: 700; letter-spacing: .01em; }
.logo-text span { margin-top: 4px; color: var(--text-weak); font-size: 11px; letter-spacing: .14em; }
.header-search {
  flex: 1 1 460px;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}
.header-search svg {
  position: absolute;
  left: 18px;
  top: 50%;
  width: 19px;
  height: 19px;
  color: #90B8D9;
  transform: translateY(-50%);
  pointer-events: none;
}
.header-search input {
  width: 100%;
  height: 46px;
  padding: 0 54px 0 47px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(11, 19, 32, .88);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
  transition: var(--transition);
}
.header-search input::placeholder { color: #8292AA; }
.header-search input:focus {
  border-color: rgba(34, 211, 238, .58);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .08), var(--glow);
  outline: none;
}
.header-search .search-chip {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--text-weak);
  background: rgba(34, 211, 238, .08);
  font-size: 11px;
  cursor: default;
}
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(142, 187, 224, .22);
  border-radius: 12px;
  background: rgba(20, 32, 50, .72);
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--cyan); }
.nav-toggle span { display: block; width: 18px; height: 2px; background: #CFE0F0; margin: 3px auto; border-radius: 999px; transition: var(--transition); }
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
  padding: 4px 0 10px;
  border-top: 1px solid rgba(148, 179, 218, .09);
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 17px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.main-nav a:hover { color: #fff; background: rgba(34, 211, 238, .07); }
.main-nav a.active {
  color: #FAFCFF;
  background: linear-gradient(120deg, rgba(23, 92, 255, .32), rgba(34, 211, 238, .14));
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, .28);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 24px 0;
  color: var(--text-weak);
  font-size: 13px;
}
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--cyan); }
.page-banner {
  position: relative;
  padding: 64px 0 88px;
  background-image:
    linear-gradient(120deg, rgba(5, 9, 18, .92), rgba(8, 19, 34, .72), rgba(25, 89, 127, .34)),
    url('/assets/images/backpic/back-3.png');
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid rgba(110, 166, 219, .14);
  overflow: hidden;
}
.page-banner::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, .55), transparent);
}
.page-banner .breadcrumb { padding: 8px 0 22px; }
.page-banner h1 {
  margin: 0 0 18px;
  max-width: 900px;
  font-size: clamp(30px, 4.8vw, 50px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.02em;
  color: #fff;
  text-shadow: 0 8px 16px rgba(1, 7, 18, .48);
}
.page-banner h1 span { color: var(--cyan); }
.page-banner .banner-lead {
  max-width: 760px;
  margin: 0 0 28px;
  color: #C7D6EB;
  font-size: 16px;
  line-height: 1.85;
}
.banner-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.banner-safe-note { display: flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--text-weak); font-size: 13px; }
.banner-safe-note svg { width: 16px; height: 16px; color: var(--amber); }
.ok-icon { color: var(--success); }

.safety-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.safety-card {
  position: relative;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(14, 24, 40, .85), rgba(12, 19, 32, .55));
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
}
.safety-card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 92, 255, .22), transparent 70%);
  opacity: 0;
  transition: var(--transition);
}
.safety-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, .28); }
.safety-card:hover::after { opacity: 1; }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(23, 92, 255, .16);
  border: 1px solid rgba(75, 134, 235, .22);
  color: var(--cyan);
}
.safety-card h3 { margin: 0 0 10px; font-size: 19px; font-weight: 600; line-height: 1.45; }
.safety-card p { margin: 0; color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

.compare-section { position: relative; padding: 70px 0; }
.compare-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: radial-gradient(circle at 10% 40%, rgba(23, 92, 255, .16), transparent 44%), url('/assets/images/backpic/back-2.webp');
  background-blend-mode: overlay;
  background-size: cover;
  opacity: .35;
  pointer-events: none;
}
.compare-section .container { position: relative; z-index: 1; }
.compare-intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
  margin-bottom: 30px;
  padding: 24px 28px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 14px 14px 0;
  background: rgba(9, 16, 28, .76);
}
.compare-intro p { margin: 0; color: var(--text-secondary); }
.compare-intro strong { color: #EAF4FF; }
.compare-table-wrap {
  border-radius: 16px;
  background: rgba(12, 20, 34, .86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 6px;
  overflow-x: auto;
}
.compare-table { width: 100%; min-width: 620px; border-collapse: separate; border-spacing: 0; }
.compare-table th,
.compare-table td {
  padding: 17px 24px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare-table tr:last-child th,
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table th { background: rgba(23, 92, 255, .1); color: #E4EEFF; font-size: 15px; font-weight: 600; }
.compare-table th.safe-col i,
.compare-table th.danger-col i { font-style: normal; margin-right: 8px; font-size: 18px; }
.compare-table th.safe-col i { color: var(--success); }
.compare-table th.danger-col i { color: var(--warn); }
.compare-table td { color: var(--text-secondary); font-size: 15px; }
.compare-table tr:hover td { background: rgba(34, 211, 238, .025); color: #E6F1FC; }
.compare-note { margin-top: 14px; color: var(--text-weak); font-size: 13px; }

.stop-section { padding-top: 96px; }
.stop-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 58px;
}
.stop-copy .section-head { margin-bottom: 20px; }
.stop-list { display: grid; gap: 12px; margin-top: 8px; }
.stop-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(13, 20, 33, .8);
  border: 1px solid rgba(255, 180, 84, .15);
  border-radius: 14px;
  transition: var(--transition);
}
.stop-item:hover { background: rgba(24, 32, 49, .74); transform: translateX(4px); }
.stop-index {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(255, 180, 84, .14);
  border: 1px solid rgba(255, 180, 84, .24);
  color: var(--amber);
  font-weight: 600;
  font-size: 13px;
}
.stop-dot-text h3 { margin: 0 0 5px; font-size: 16px; font-weight: 600; color: #F5E8D6; }
.stop-dot-text p { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.7; }
.stop-visual { position: relative; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.stop-visual img { aspect-ratio: 4 / 3; object-fit: cover; }
.stop-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(6, 10, 20, .82)); }
.stop-visual-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  margin: 0;
  color: #deebfa;
  font-size: 13px;
  line-height: 1.7;
}

.checklist-block { background: linear-gradient(180deg, var(--bg), rgba(9, 15, 27, .3)); }
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.check-card {
  border-radius: 16px;
  background: rgba(15, 23, 38, .78);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.check-card:hover { transform: translateY(-5px); border-color: rgba(34, 211, 238, .3); }
.check-cover { position: relative; aspect-ratio: 3 / 1.6; overflow: hidden; }
.check-cover img { width: 100%; height: 100%; object-fit: cover; }
.check-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 25%, rgba(4, 9, 17, .68)); }
.check-body { padding: 24px; }
.check-body h3 { margin: 0 0 14px; font-size: 18px; line-height: 1.5; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, .09);
}
.check-card-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 12px;
  color: var(--cyan);
  background: rgba(34, 211, 238, .08);
  border-radius: 999px;
  font-size: 12px;
}

.faq-section { padding: 100px 0 90px; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  transition: background .25s ease;
}
.faq-item:first-of-type { border-top: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
  padding: 20px 4px;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #fff; }
.faq-item summary::before {
  content: "Q";
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: var(--cyan);
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .12);
  font-size: 13px;
  font-weight: 700;
}
.faq-item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--text-weak);
  font-size: 24px;
  font-weight: 400;
  transition: transform .3s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 4px 22px 48px; }
.faq-answer p { margin: 0; color: var(--text-secondary); line-height: 1.85; }

.cta-section { padding-bottom: 100px; }
.cta-panel {
  position: relative;
  padding: 66px 42px;
  border-radius: 24px;
  background:
    linear-gradient(120deg, rgba(8, 13, 24, .96), rgba(10, 26, 45, .92)),
    url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  border: 1px solid rgba(34, 211, 238, .22);
  box-shadow: 0 30px 70px rgba(1, 5, 13, .4);
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -180px;
  width: 560px;
  height: 360px;
  background: radial-gradient(circle, rgba(23, 92, 255, .32), rgba(23, 92, 255, .06), transparent);
  transform: translateX(-50%);
  pointer-events: none;
}
.cta-panel h2 {
  position: relative;
  margin: 0 0 16px;
  color: #fff;
  font-size: clamp(24px, 3vw, 33px);
  line-height: 1.4;
}
.cta-panel p {
  position: relative;
  max-width: 700px;
  margin: 0 auto 28px;
  color: var(--text-secondary);
  font-size: 15px;
}
.cta-btns { position: relative; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

.site-footer {
  padding: 64px 0 26px;
  background: rgba(3, 6, 12, .96);
  border-top: 1px solid rgba(97, 139, 190, .14);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 42px;
  margin-bottom: 36px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text span { letter-spacing: .08em; }
.footer-brand p { max-width: 360px; margin: 12px 0 0; color: var(--text-weak); font-size: 14px; line-height: 1.9; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { margin: 0 0 8px; color: #E0EDFA; font-size: 15px; font-weight: 600; }
.footer-col a { color: var(--text-weak); font-size: 14px; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(100, 142, 190, .13);
  color: #5D6B80;
  font-size: 13px;
}
.footer-bottom a { color: #5D6B80; }
.footer-bottom a:hover { color: var(--cyan); }

@media (max-width: 1080px) {
  .header-top { gap: 14px; }
  .header-search { max-width: 560px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 860px) {
  .section { padding: 74px 0; }
  .safety-grid { grid-template-columns: 1fr; }
  .checklist-grid { grid-template-columns: 1fr; }
  .compare-section { padding: 48px 0; }
  .stop-layout { grid-template-columns: 1fr; gap: 32px; }
  .compare-section::before { opacity: .25; }
  .cta-panel { padding: 46px 24px; }
  .header-top {
    flex-wrap: wrap;
    padding-bottom: 8px;
  }
  .header-search { order: 3; flex: 1 1 100%; max-width: none; }
  .logo { flex: 1 1 auto; }
  .nav-toggle { display: inline-flex; }
  .header-actions { margin-left: auto; }
  .main-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-top: 0;
    padding: 12px 4px;
    border-top: 1px solid rgba(148, 179, 218, .14);
  }
  .main-nav.open { display: flex; }
  .main-nav a { justify-content: center; height: 44px; }
  .page-banner { padding: 46px 0 64px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 34px; }
  .footer-brand p { max-width: 100%; }
}

@media (max-width: 560px) {
  .container { padding-right: 16px; padding-left: 16px; }
  .section { padding: 58px 0; }
  .page-banner h1 { font-size: 30px; }
  .logo-text span { font-size: 10px; }
  .logo-icon { width: 38px; height: 38px; }
  .logo-text strong { font-size: 16px; }
  .safety-card, .check-body { padding: 22px 18px; }
  .compare-table th, .compare-table td { padding: 14px 14px; }
  .stop-item { padding: 14px 14px; }
  .faq-answer { padding-left: 0; }
  .faq-item summary { gap: 12px; align-items: flex-start; }
  .cta-panel { border-radius: 18px; }
  .btn { width: 100%; max-width: 320px; }
  .banner-cta, .cta-btns { width: 100%; }
  .banner-safe-note { flex-wrap: wrap; }
}