/* roulang page: index */
:root {
  --color-primary: #3D7FA6;
  --color-primary-dark: #2D5F7D;
  --color-accent: #F06449;
  --color-accent-dark: #d8553c;
  --color-bg: #F4F7FA;
  --color-card: #FFFFFF;
  --color-info: #EAF0F6;
  --color-border: #DCE6EE;
  --color-heading: #172B3A;
  --color-text: #335066;
  --color-muted: #6A849B;
  --color-light-blue: #EAF0F6;
  --color-navy: #152631;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 4px 16px rgba(23, 43, 58, .06);
  --shadow-md: 0 12px 28px rgba(23, 43, 58, .10);
  --radius-btn: 6px;
  --radius-card: 12px;
  --radius-screen: 24px;
  --radius-icon: 10px;
  --space-section: 96px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul,
ol {
  list-style: none;
}
input {
  font-family: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}
.section-white {
  background: var(--color-card);
}
.section-soft {
  background: var(--color-light-blue);
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 28px;
  line-height: 1.35;
  color: var(--color-heading);
  font-weight: 700;
  letter-spacing: .01em;
}
.section-head p {
  margin-top: 12px;
  font-size: 16px;
  line-height: 26px;
  color: var(--color-muted);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease, color .2s ease;
  outline-offset: 3px;
}
.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(61, 127, 166, .6);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(240, 100, 73, .24);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(240, 100, 73, .3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 12px rgba(240, 100, 73, .22);
}
.btn-outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--color-primary-dark);
  background: rgba(61, 127, 166, .06);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}
.btn-outline:active {
  background: rgba(61, 127, 166, .12);
  transform: translateY(0);
}
.btn-ghost {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-heading);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-lg {
  min-height: 52px;
  padding: 0 32px;
  font-size: 16px;
  border-radius: 10px;
}
/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: 72px;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(220, 230, 238, .7);
  box-shadow: 0 1px 10px rgba(23, 43, 58, .03);
  backdrop-filter: blur(10px);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 26px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.02em;
  box-shadow: 0 6px 14px rgba(61, 127, 166, .26);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: #172B3A;
  white-space: nowrap;
}
.brand-text em {
  font-style: normal;
  color: var(--color-primary);
}
.brand-text .sub-brand {
  color: var(--color-heading);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: #335066;
  transition: background .2s ease, color .2s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--color-primary);
  background: rgba(61, 127, 166, .06);
}
.nav-link.active {
  background: rgba(61, 127, 166, .12);
  color: var(--color-primary);
  font-weight: 600;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  width: 200px;
}
.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 42px 0 18px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: all .2s ease;
}
.search-box input::placeholder {
  color: #9AB0C2;
}
.search-box input:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(61, 127, 166, .12);
}
.search-box .search-icon {
  position: absolute;
  top: 50%;
  right: 16px;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  pointer-events: none;
}
.search-box .search-icon::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 9px;
  height: 9px;
  border: 2px solid var(--color-muted);
  border-radius: 50%;
}
.search-box .search-icon::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 7px;
  height: 2px;
  background: var(--color-muted);
  border-radius: 3px;
  transform: rotate(48deg);
  transform-origin: left center;
}
.btn-login {
  min-height: 38px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-login:hover {
  background: rgba(61, 127, 166, .06);
  transform: translateY(-1px);
}
.btn-cta {
  min-height: 38px;
  padding: 0 20px;
  font-size: 14px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(240, 100, 73, .22);
  transition: all .2s ease;
  white-space: nowrap;
}
.btn-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(240, 100, 73, .28);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  background: #f4f7fa;
  position: relative;
  z-index: 5;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-heading);
  border-radius: 3px;
  position: relative;
  transition: all .2s ease;
}
.nav-toggle span::before {
  position: absolute;
  top: -6px;
  left: 0;
}
.nav-toggle span::after {
  position: absolute;
  top: 6px;
  left: 0;
}
/* ===== Hero ===== */
.hero {
  position: relative;
  padding-top: 44px;
  padding-bottom: 72px;
  background: #F0F6FA;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url(/assets/images/backpic/back-3.webp);
  background-size: cover;
  background-position: center;
  opacity: .16;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(380px, 420px) 1fr;
  gap: 72px;
  align-items: center;
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.device-wrap {
  position: relative;
}
.device-frame {
  width: min(360px, 100%);
  background: #12202c;
  border-radius: 42px;
  border: 8px solid #1b3040;
  box-shadow: 0 24px 70px rgba(23, 43, 58, .18), 0 4px 16px rgba(23, 43, 58, .08);
}
.device-screen {
  position: relative;
  aspect-ratio: 9 / 18.4;
  border-radius: 30px;
  overflow: hidden;
  background: #d7e3ec;
}
.device-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .9;
}
.device-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .02) 30%, rgba(14, 24, 34, .55) 100%);
  pointer-events: none;
}
.screen-status {
  position: absolute;
  top: 18px;
  left: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
  color: rgba(255, 255, 255, .95);
  font-size: 11px;
  font-weight: 600;
}
.screen-status .time {
  font-size: 12px;
}
.screen-status .signal {
  display: flex;
  gap: 4px;
  align-items: center;
}
.signal .dot {
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, .6);
  border-radius: 50%;
}
.screen-content {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 24px;
  z-index: 2;
  color: #fff;
}
.screen-content .tag {
  display: inline-block;
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .28);
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}
.screen-content h3 {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.screen-content p {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, .8);
}
.player-control {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  transform: translateY(46%);
  z-index: 5;
  background: #fff;
  margin: 0 30px;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(23, 43, 58, .22);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
}
.icon-play {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-play::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 8px solid #fff;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  margin-left: 2px;
}
.player-track {
  position: relative;
  height: 4px;
  flex: 1;
  background: #e5edf3;
  border-radius: 999px;
  overflow: hidden;
}
.player-track i {
  position: absolute;
  left: 0;
  top: 0;
  width: 56%;
  height: 100%;
  background: var(--color-primary);
  border-radius: inherit;
}
.player-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #9AB0C2;
  font-size: 12px;
}
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 10px 28px rgba(23, 43, 58, .12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .7);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-heading);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 6px;
}
.floating-card i {
  width: 6px;
  height: 6px;
  background: #61c47b;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(97, 196, 123, .15);
}
.fp-1 {
  top: 30px;
  right: -12px;
}
.fp-2 {
  bottom: 130px;
  left: -22px;
}
.hero-content {
  max-width: 640px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(61, 127, 166, .1);
  border: 1px solid rgba(61, 127, 166, .18);
  color: var(--color-primary);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.hero-content h1 {
  margin-top: 18px;
  font-size: 34px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -.01em;
}
.hero-lead {
  margin-top: 16px;
  font-size: 17px;
  line-height: 30px;
  color: var(--color-text);
  max-width: 540px;
}
.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-points {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
}
.hero-points li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-muted);
}
.check-dot {
  display: inline-flex;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
  background: rgba(61, 127, 166, .14);
  color: var(--color-primary);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
  flex-shrink: 0;
}
/* ===== 热门片段 ===== */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.hot-card {
  border-radius: var(--radius-screen);
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: block;
  transition: transform .25s ease, box-shadow .25s ease;
}
.hot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.hot-card:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}
.hot-media {
  position: relative;
  aspect-ratio: 3 / 3.7;
  overflow: hidden;
  background: #e5edf3;
}
.hot-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.hot-card:hover .hot-media img {
  transform: scale(1.05);
}
.hot-media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 70%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(12, 24, 34, .75) 100%);
  pointer-events: none;
}
.hot-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 3;
  background: rgba(255, 255, 255, .92);
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
}
.hot-info {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 3;
  color: #fff;
}
.hot-info .hot-suptitle {
  font-size: 12px;
  color: rgba(255, 255, 255, .8);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 4px;
}
.hot-info h3 {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .28);
}
.hot-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #fff;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease;
}
.hot-card-foot i {
  transition: transform .2s ease;
  font-style: normal;
}
.hot-card:hover .hot-card-foot {
  color: var(--color-primary);
}
.hot-card:hover .hot-card-foot i {
  transform: translateX(3px);
}
/* ===== 步骤引导 ===== */
.steps-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.step-card {
  position: relative;
  background: #fff;
  border-radius: 18px;
  padding: 36px 28px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
  z-index: 1;
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.step-card:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 64px;
  right: -30px;
  width: 34px;
  border-top: 2px dashed rgba(61, 127, 166, .5);
  z-index: 0;
}
.step-num {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(61, 127, 166, .1);
  color: var(--color-primary);
  border-radius: 16px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .05em;
  margin-bottom: 18px;
}
.step-card h3 {
  font-size: 20px;
  color: var(--color-heading);
  font-weight: 700;
}
.step-card p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 26px;
  color: var(--color-muted);
}
.step-link {
  display: inline-flex;
  margin-top: 18px;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  transition: gap .2s ease, color .2s ease;
}
.step-link:hover {
  color: var(--color-primary-dark);
  gap: 8px;
}
/* ===== 口碑条 ===== */
.feedback-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  padding: 26px 30px;
  border: 1px solid rgba(220, 230, 238, .6);
}
.feedback-summary {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.score-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(61, 127, 166, .14);
  color: var(--color-primary-dark);
}
.score-circle strong {
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
}
.score-circle span {
  margin-top: 3px;
  font-size: 11px;
  font-weight: 600;
}
.feedback-meta h3 {
  font-size: 16px;
  color: var(--color-heading);
  font-weight: 700;
}
.feedback-meta p {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 2px;
}
.feedback-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
  min-width: 260px;
}
.fb-chip {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  transition: all .2s ease;
}
.fb-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(61, 127, 166, .05);
}
/* ===== CTA ===== */
.cta-section {
  position: relative;
  background-image: url(/assets/images/backpic/back-2.png);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(234, 240, 246, .94);
}
.cta-panel {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 10px;
}
.cta-panel h2 {
  font-size: 28px;
  line-height: 1.4;
  color: var(--color-heading);
  font-weight: 800;
}
.cta-panel p {
  font-size: 16px;
  color: var(--color-text);
  margin-top: 12px;
}
.cta-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ===== CMS动态 ===== */
.cms-news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  padding: 16px;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(220, 230, 238, .5);
  transition: transform .2s ease, box-shadow .2s ease;
  align-items: center;
}
.news-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.news-thumb {
  display: block;
  width: 180px;
  height: 118px;
  border-radius: 12px;
  overflow: hidden;
  background: #e5edf3;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.news-item:hover .news-thumb img {
  transform: scale(1.04);
}
.news-topline {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}
.news-category {
  display: inline-block;
  background: rgba(61, 127, 166, .1);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}
.news-date {
  color: var(--color-muted);
  font-size: 13px;
}
.news-title {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 6px;
}
.news-title a:hover {
  color: var(--color-primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 26px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cms-empty {
  padding: 60px 20px;
  text-align: center;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--color-muted);
}
.empty-illu {
  display: block;
  width: 140px;
  opacity: .8;
}
/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item.active {
  box-shadow: var(--shadow-md);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  min-height: 66px;
  text-align: left;
  color: var(--color-heading);
  font-size: 16px;
  font-weight: 600;
  background: #fff;
  transition: color .2s ease;
}
.faq-q:hover {
  color: var(--color-primary);
}
.faq-marker {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: rgba(61, 127, 166, .12);
  color: var(--color-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.faq-icon {
  margin-left: auto;
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-muted);
  border-radius: 2px;
  transition: all .25s ease, opacity .2s ease;
}
.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}
.faq-item.active .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.active .faq-a {
  max-height: 300px;
}
.faq-a p {
  padding: 0 24px 22px 62px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 27px;
}
/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-navy);
  color: #a9bfcf;
  padding-top: 68px;
  padding-bottom: 30px;
}
.site-footer .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.site-footer .footer-logo .brand-mark {
  width: 34px;
  height: 34px;
  font-size: 17px;
  box-shadow: none;
}
.site-footer .footer-brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  white-space: nowrap;
}
.site-footer .footer-brand-text em {
  font-style: normal;
  color: #9fc3dc;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-desc {
  font-size: 14px;
  line-height: 27px;
  color: #9bb0c0;
  max-width: 300px;
  margin-top: 4px;
}
.footer-title {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: #a9bfcf;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: #8FB7D6;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  margin-top: 48px;
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: #8ba1b2;
}
.footer-bottom a {
  color: #d7e4ed;
}
/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .hero-inner {
    gap: 44px;
  }
  .search-box {
    width: 170px;
  }
  .site-nav .nav-link {
    padding: 0 10px;
  }
  .hot-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 1024px) {
  .site-nav {
    position: absolute;
    top: 67px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 20px 52px rgba(23, 43, 58, .16);
    border: 1px solid rgba(220, 230, 238, .7);
  }
  .site-nav.open {
    display: flex;
  }
  .site-nav .nav-link {
    padding: 13px 16px;
    border-radius: 10px;
    justify-content: flex-start;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-tools {
    margin-left: auto;
  }
  .search-box {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-visual {
    order: 2;
  }
  .hero-content {
    order: 1;
  }
  .device-frame {
    width: 300px;
  }
  .floating-card {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}
@media (max-width: 860px) {
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
  .step-card:not(:last-child)::after {
    display: none;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-item {
    grid-template-columns: 150px 1fr;
  }
  .news-thumb {
    width: 150px;
    height: 100px;
  }
}
@media (max-width: 767px) {
  :root {
    --space-section: 56px;
  }
  .section-head h2 {
    font-size: 24px;
    line-height: 1.45;
  }
  .hero {
    padding-top: 32px;
    padding-bottom: 64px;
  }
  .hero-content h1 {
    font-size: 27px;
    line-height: 1.4;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .feedback-layout {
    flex-direction: column;
    align-items: flex-start;
  }
  .feedback-lines {
    min-width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .news-item {
    grid-template-columns: 1fr;
  }
  .news-thumb {
    width: 100%;
    height: 180px;
  }
  .cta-panel h2 {
    font-size: 23px;
  }
}
@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    gap: 12px;
  }
  .brand-text {
    font-size: 18px;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 17px;
  }
  .btn-cta,
  .search-box {
    display: none;
  }
  .btn-login {
    min-height: 36px;
    font-size: 13px;
    padding: 0 12px;
  }
  .hot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .hot-card {
    border-radius: 16px;
  }
  .hot-card-foot {
    padding: 9px 10px;
    font-size: 12px;
  }
  .hot-info {
    left: 10px;
    right: 10px;
    bottom: 10px;
  }
  .hot-info h3 {
    font-size: 14px;
  }
  .hot-badge {
    left: 10px;
    top: 10px;
    font-size: 11px;
    padding: 2px 7px;
  }
  .step-card {
    padding: 24px 18px;
  }
  .faq-a p {
    padding-left: 24px;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: article */
:root {
  --primary: #3D7FA6;
  --primary-dark: #2D5F7D;
  --primary-light: #EAF0F6;
  --accent: #F06449;
  --bg-page: #F4F7FA;
  --bg-card: #FFFFFF;
  --text-head: #172B3A;
  --text-body: #335066;
  --text-muted: #6A849B;
  --text-soft: #9AB0C2;
  --border-color: #DCE6EE;
  --disabled-color: #C9D3DD;
  --shadow-sm: 0 4px 16px rgba(23, 43, 58, .06);
  --shadow-md: 0 12px 28px rgba(23, 43, 58, .10);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text-body);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.article-narrow { max-width: 780px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border-color);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; color: var(--text-head); }
.brand-mark {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--primary); color: #fff; border-radius: 10px; font-weight: 800; font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.brand-text { font-size: 18px; font-weight: 800; color: var(--text-head); letter-spacing: .3px; white-space: nowrap; }
.brand-text em { font-style: normal; color: var(--primary); margin-right: 2px; }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  display: inline-block; padding: 9px 16px; border-radius: 30px; color: var(--text-body);
  font-size: 15px; font-weight: 600; white-space: nowrap; transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-link.active { background: #E1EDF5; color: var(--primary-dark); }
.header-tools { display: flex; align-items: center; gap: 10px; }
.search-box {
  display: inline-flex; align-items: center; position: relative; width: 200px;
  border: 1px solid var(--border-color); border-radius: 8px; background: #fff; transition: border .2s ease, box-shadow .2s ease;
}
.search-box input {
  width: 100%; height: 36px; border: 0; background: transparent; color: var(--text-head);
  padding: 0 34px 0 14px; font-size: 14px; outline: none; border-radius: 8px;
}
.search-box input::placeholder { color: var(--text-soft); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(61, 127, 166, .14); }
.search-icon {
  position: absolute; right: 10px; top: 10px; width: 16px; height: 16px;
  border: 2px solid var(--text-muted); border-radius: 50%; pointer-events: none;
}
.search-icon::before {
  content: ""; position: absolute; right: -6px; bottom: -4px; width: 8px; height: 2px;
  background: var(--text-muted); transform: rotate(45deg); border-radius: 2px;
}
.btn-login {
  display: inline-flex; align-items: center; justify-content: center; min-width: 88px; height: 38px;
  border: 1px solid var(--primary); border-radius: var(--radius-sm); color: var(--primary-dark);
  font-size: 14px; font-weight: 700; background: #fff; transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-login:hover { background: var(--primary-light); color: var(--primary-dark); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn-cta {
  display: inline-flex; align-items: center; justify-content: center; min-width: 96px; height: 40px;
  background: var(--accent); border: 1px solid var(--accent); border-radius: var(--radius-sm); color: #fff;
  font-size: 14px; font-weight: 700; box-shadow: 0 6px 16px rgba(240, 100, 73, .22); transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-cta:hover { background: #E04B32; color: #fff; box-shadow: 0 10px 20px rgba(240, 100, 73, .28); transform: translateY(-2px); }
.btn-cta:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--border-color);
  background: #fff; border-radius: 8px; align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-head); position: relative; border-radius: 2px; transition: background .2s ease; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--text-head); border-radius: 2px; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: rotate(45deg); top: 0; }
.nav-toggle.open span::after { transform: rotate(-45deg); top: 0; }

/* ===== 文章阅读题头 ===== */
.article-top {
  background: linear-gradient(0deg, rgba(255, 255, 255, .91), rgba(255, 255, 255, .97)), url("/assets/images/backpic/back-3.webp") right top / cover no-repeat;
  border-bottom: 1px solid var(--border-color);
  padding: 52px 0 44px;
}
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .breadcrumb-sep { color: var(--text-soft); }
.breadcrumb .current { color: var(--text-head); font-weight: 600; }
.article-meta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.article-cat {
  display: inline-flex; align-items: center; height: 26px; padding: 0 12px; background: var(--primary-light);
  color: var(--primary-dark); font-size: 13px; font-weight: 700; border-radius: 30px;
}
.article-date { color: var(--text-muted); font-size: 14px; }
.article-title {
  margin: 0 0 22px; font-size: clamp(30px, 4vw, 40px); line-height: 1.28; color: var(--text-head);
  font-weight: 800; letter-spacing: .5px;
}
.article-lead {
  margin: 0; padding: 20px 22px; background: #F6F9FC; border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-body); font-size: 16px; line-height: 1.9;
  box-shadow: var(--shadow-sm);
}
.article-lead::before { content: "导读："; font-weight: 800; color: var(--primary-dark); }

/* ===== 正文区 ===== */
.article-main { background: #fff; }
.article-content { max-width: 760px; margin: 0 auto; padding: 48px 24px 12px; }
.article-content h2 {
  color: var(--text-head); font-size: 24px; line-height: 1.5; margin: 48px 0 18px; font-weight: 800;
  padding-bottom: 8px; border-bottom: 2px solid var(--primary-light);
}
.article-content h3 { color: var(--text-head); font-size: 20px; line-height: 1.55; margin: 36px 0 14px; font-weight: 800; }
.article-content p { font-size: 17px; line-height: 1.95; color: var(--text-body); margin: 0 0 24px; }
.article-content a { color: var(--primary-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content ul, .article-content ol { margin: 0 0 24px; padding-left: 28px; font-size: 17px; line-height: 1.9; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  margin: 32px 0; padding: 18px 22px; background: var(--primary-light); border-left: 4px solid var(--primary);
  color: var(--text-body); border-radius: 0 var(--radius) var(--radius) 0; font-size: 16px; line-height: 1.9;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img { margin: 32px auto; border-radius: 16px; box-shadow: var(--shadow-md); width: auto; height: auto; }
.article-content figure { margin: 32px 0; text-align: center; }
.article-content figcaption { color: var(--text-muted); font-size: 14px; margin-top: 12px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
.article-content th, .article-content td { border: 1px solid var(--border-color); padding: 12px 14px; text-align: left; }
.article-content th { background: var(--primary-light); color: var(--text-head); font-weight: 700; }
.article-content td { color: var(--text-body); }

/* ===== 空态 ===== */
.article-empty {
  text-align: center; padding: 80px 20px; max-width: 760px; margin: 0 auto;
}
.empty-badge {
  width: 74px; height: 74px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center;
  background: #F0F4F8; border-radius: 50%; color: var(--text-soft); font-size: 30px; font-weight: 300;
}
.article-empty p { font-size: 17px; color: var(--text-muted); margin: 0 0 24px; }
.btn-back-home {
  display: inline-flex; align-items: center; justify-content: center; min-width: 140px; height: 44px;
  background: var(--primary); color: #fff; border-radius: 8px; font-weight: 700; transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-back-home:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* ===== 底部扩展信息 ===== */
.article-extra { background: #fff; padding: 12px 0 44px; }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding-top: 24px; margin-bottom: 28px; border-top: 1px solid var(--border-color); }
.tags-label { color: var(--text-muted); font-size: 14px; font-weight: 600; }
.tag {
  display: inline-flex; align-items: center; height: 28px; padding: 0 14px; background: #F4F8FB;
  border: 1px solid var(--border-color); color: var(--text-body); font-size: 13px; border-radius: 30px;
  transition: all .2s ease;
}
.tag:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); transform: translateY(-1px); }
.pn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 26px; }
.pn-card {
  display: block; background: #F8FAFC; border: 1px solid var(--border-color); border-radius: 14px;
  padding: 20px 22px; transition: all .2s ease; min-height: 92px;
}
.pn-card span { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.pn-card strong { display: block; color: var(--text-head); font-size: 15px; line-height: 1.5; font-weight: 700; }
.pn-card:hover { background: #fff; border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.pn-card.next { text-align: left; }
.article-return { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 20px 24px; background: var(--primary-light); border-radius: 16px; }
.article-return a { color: var(--primary-dark); font-weight: 700; }
.article-return a:hover { color: var(--accent); }
.article-return .return-tip { color: var(--text-muted); font-size: 14px; margin-right: auto; }

/* ===== 相关推荐 ===== */
.related-section { background: var(--bg-page); padding: 76px 0; }
.section-head { margin-bottom: 36px; }
.section-head .section-eyebrow { display: inline-block; height: 26px; line-height: 26px; padding: 0 12px; background: var(--primary-light); color: var(--primary-dark); font-size: 13px; font-weight: 700; border-radius: 30px; margin-bottom: 12px; }
.section-head h2 { margin: 0 0 10px; color: var(--text-head); font-size: clamp(24px, 3vw, 32px); line-height: 1.3; font-weight: 800; }
.section-head p { margin: 0; color: var(--text-muted); font-size: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.related-card {
  background: #fff; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.related-card > a { display: block; height: 100%; color: inherit; }
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.related-media { aspect-ratio: 16 / 10; overflow: hidden; background: #EAF0F6; }
.related-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.related-card:hover .related-media img { transform: scale(1.04); }
.related-card-body { padding: 20px 20px 22px; }
.related-card-body .card-label { display: inline-flex; height: 24px; align-items: center; padding: 0 10px; background: var(--primary-light); color: var(--primary-dark); font-size: 12px; font-weight: 700; border-radius: 30px; margin-bottom: 12px; }
.related-card-body h3 { margin: 0 0 10px; color: var(--text-head); font-size: 16px; line-height: 1.5; font-weight: 800; }
.related-card-body p { margin: 0; color: var(--text-muted); font-size: 14px; line-height: 1.7; }
.related-card-link { margin-top: 14px; color: var(--primary); font-size: 14px; font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }
.related-card-link::after { content: "→"; transition: transform .2s ease; }
.related-card:hover .related-card-link { color: var(--accent); }
.related-card:hover .related-card-link::after { transform: translateX(4px); }

/* ===== 文章CTA ===== */
.article-cta { padding: 76px 0; background: #fff; }
.cta-panel {
  background: #F4F8FB url("/assets/images/backpic/back-1.png") left bottom / 420px auto no-repeat;
  border-radius: var(--radius-lg); padding: 52px 56px; display: flex; align-items: center; justify-content: space-between;
  gap: 30px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.cta-content { max-width: 560px; z-index: 1; }
.cta-content h2 { margin: 0 0 12px; color: var(--text-head); font-size: clamp(24px, 3vw, 32px); line-height: 1.35; font-weight: 800; }
.cta-content p { margin: 0; color: var(--text-muted); font-size: 16px; line-height: 1.75; }
.cta-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; z-index: 1; flex-shrink: 0; }
.cta-btn-main {
  display: inline-flex; align-items: center; justify-content: center; height: 52px; padding: 0 34px;
  background: var(--accent); border: 1px solid var(--accent); border-radius: 10px; color: #fff;
  font-size: 16px; font-weight: 800; box-shadow: 0 10px 22px rgba(240, 100, 73, .24); transition: all .2s ease;
}
.cta-btn-main:hover { background: #E34D30; color: #fff; box-shadow: 0 14px 28px rgba(240, 100, 73, .3); transform: translateY(-2px); }
.cta-btn-main:active { transform: translateY(0); }
.cta-btn-line {
  display: inline-flex; align-items: center; justify-content: center; height: 52px; padding: 0 30px;
  background: #fff; border: 1px solid #C9D9E5; border-radius: 10px; color: var(--primary-dark);
  font-size: 15px; font-weight: 700; transition: all .2s ease;
}
.cta-btn-line:hover { border-color: var(--primary); color: var(--primary-dark); background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ===== 页脚 ===== */
.site-footer { background: #152631; color: #A6C2D6; padding: 0 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 42px; padding: 52px 0 44px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; margin-bottom: 16px; }
.footer-brand-text { font-size: 18px; font-weight: 800; color: #fff; }
.footer-brand-text em { font-style: normal; color: #8FB7D6; }
.footer-desc { margin: 0 0 20px; font-size: 14px; line-height: 1.8; color: #92AFC1; max-width: 320px; }
.footer-title { color: #fff; font-size: 16px; margin: 6px 0 16px; font-weight: 800; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #A6C2D6; font-size: 14px; transition: color .2s ease; }
.footer-links a:hover { color: #8FB7D6; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08); padding-top: 22px; margin-top: 8px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px;
  color: #7E9CB0; font-size: 13px;
}
.footer-bottom a { color: #8FB7D6; }
.footer-bottom a:hover { color: #FFFFFF; }

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  .search-box { width: 160px; }
  .cta-panel { background-size: 340px auto; padding: 46px 40px; }
}
@media (max-width: 991px) {
  .site-nav {
    display: flex; flex-direction: column; align-items: flex-start; gap: 2px; position: absolute;
    top: 71px; left: 0; right: 0; background: #fff; padding: 20px 24px 24px;
    border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden; transform: translateY(-12px); transition: all .22s ease; z-index: 40;
  }
  .site-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link { width: 100%; border-radius: 8px; padding: 12px 14px; }
  .search-box { width: 150px; }
  .nav-toggle { display: inline-flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-actions { width: 100%; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767px) {
  .container { padding: 0 18px; }
  .article-narrow { padding-left: 18px; padding-right: 18px; }
  .header-inner { gap: 10px; }
  .brand-text { font-size: 16px; }
  .search-box { display: none; width: 0; }
  .btn-login { display: none; }
  .btn-cta { min-width: 74px; height: 38px; padding: 0 14px; font-size: 13px; }
  .article-top { padding: 38px 0 34px; }
  .article-title { font-size: 28px; }
  .article-lead { font-size: 15px; padding: 16px 18px; }
  .article-content { padding-top: 36px; }
  .article-content h2 { font-size: 21px; }
  .article-content p { font-size: 16px; }
  .pn-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 36px 24px; background-image: none; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-btn-main, .cta-btn-line { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; padding-top: 40px; padding-bottom: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; font-size: 12px; }
}
@media (max-width: 520px) {
  .header-tools { gap: 6px; }
  .brand-mark { width: 34px; height: 34px; font-size: 16px; }
  .brand-text { font-size: 14px; }
  .article-title { font-size: 25px; }
  .article-content { padding-left: 18px; padding-right: 18px; }
  .section-head h2 { font-size: 26px; }
}

/* roulang page: category1 */
:root {
  --color-primary: #3D7FA6;
  --color-primary-dark: #2D5F7D;
  --color-accent: #F06449;
  --color-accent-dark: #D95438;
  --color-bg: #F4F7FA;
  --color-surface: #FFFFFF;
  --color-panel: #EAF0F6;
  --color-heading: #172B3A;
  --color-text: #335066;
  --color-muted: #6A849B;
  --color-placeholder: #9AB0C2;
  --color-border: #DCE6EE;
  --color-disabled: #C9D3DD;
  --color-footer-bg: #152631;
  --color-footer-line: #2B4052;
  --color-footer-text: #8FB7D6;
  --radius-btn: 6px;
  --radius-card: 12px;
  --radius-hero: 24px;
  --shadow-sm: 0 4px 16px rgba(23,43,58,.06);
  --shadow-md: 0 12px 28px rgba(23,43,58,.10);
  --transition: .25s ease;
  --font-body: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition); }
img { max-width: 100%; display: block; }
input, button { font-family: inherit; }
button { border: none; cursor: pointer; }
ul, ol { margin: 0; padding: 0; }
p, figure, blockquote { margin: 0; }
h1, h2, h3, h4 { color: var(--color-heading); line-height: 1.35; margin: 0; }
h1 { font-size: 36px; }
h2 { font-size: 28px; line-height: 1.4; }
h3 { font-size: 20px; line-height: 1.5; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; width: 100%; }
.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; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 72px;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  box-shadow: 0 6px 12px rgba(61,127,166,.18);
}
.brand-text { font-size: 20px; font-weight: 800; color: var(--color-heading); white-space: nowrap; }
.brand-text em { font-style: normal; color: var(--color-primary); }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: 28px; margin-right: auto; }
.nav-link { display: inline-flex; align-items: center; height: 40px; padding: 0 16px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; color: var(--color-text); }
.nav-link:hover { color: var(--color-primary); background: #F0F6FA; }
.nav-link.active { background: var(--color-panel); color: var(--color-primary); }
.header-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-box { position: relative; display: block; }
.search-box input { width: 200px; height: 40px; border: 1px solid var(--color-border); border-radius: var(--radius-btn); padding: 0 38px 0 14px; background: #F8FAFC; color: var(--color-text); outline: none; transition: border-color var(--transition), box-shadow var(--transition), width var(--transition); }
.search-box input::placeholder { color: var(--color-placeholder); }
.search-box input:focus { border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 3px rgba(61,127,166,.12); }
.search-icon { position: absolute; right: 12px; top: 10px; width: 18px; height: 18px; border: 2px solid var(--color-muted); border-radius: 50%; pointer-events: none; }
.search-icon::after { content: ""; position: absolute; width: 2px; height: 7px; background: var(--color-muted); border-radius: 2px; transform: rotate(-45deg); right: -3px; bottom: -3px; }
.btn-login { display: inline-flex; align-items: center; justify-content: center; min-width: 88px; height: 40px; padding: 0 16px; border: 1px solid var(--color-primary); border-radius: var(--radius-btn); color: var(--color-primary); font-weight: 700; font-size: 14px; background: transparent; }
.btn-login:hover { background: #F2F8FB; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn-cta { display: inline-flex; align-items: center; justify-content: center; height: 40px; min-width: 108px; padding: 0 18px; border-radius: var(--radius-btn); background: var(--color-accent); color: #fff; font-weight: 700; font-size: 14px; box-shadow: 0 6px 14px rgba(240,100,73,.22); }
.btn-cta:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: 0 10px 20px rgba(240,100,73,.28); }
.btn-cta:active, .btn-login:active { transform: translateY(0); box-shadow: none; }
.nav-toggle { display: none; width: 44px; height: 40px; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--color-border); border-radius: var(--radius-btn); }
.nav-toggle span { position: relative; width: 18px; height: 2px; background: var(--color-heading); border-radius: 2px; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--color-heading); border-radius: 2px; transition: transform var(--transition); }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle.active span { background: transparent; }
.nav-toggle.active span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span::after { transform: translateY(-6px) rotate(-45deg); }

/* Hero */
.official-hero { background: var(--color-surface); border-bottom: 1px solid var(--color-border); overflow: hidden; position: relative; }
.official-hero-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; padding-top: 72px; padding-bottom: 68px; }
.hero-label { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border-radius: 40px; background: var(--color-panel); color: var(--color-primary-dark); font-size: 13px; font-weight: 700; }
.hero-title { font-size: 38px; line-height: 1.3; font-weight: 900; letter-spacing: -1px; margin-top: 18px; color: var(--color-heading); }
.hero-title span { color: var(--color-primary); }
.hero-sub { font-size: 17px; line-height: 1.85; max-width: 540px; margin-top: 18px; color: var(--color-text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 15px;
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:focus-visible { outline: 3px solid rgba(61,127,166,.35); outline-offset: 2px; }
.btn-ghost { background: transparent; border: 1px solid var(--color-border); color: var(--color-heading); }
.btn-ghost:hover { background: #F2F7FA; border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; border-radius: 8px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--color-border); }
.hero-points span { display: inline-flex; flex-direction: column; font-size: 13px; color: var(--color-muted); }
.hero-points strong { font-size: 18px; color: var(--color-heading); margin-bottom: 4px; }
.hero-preview { position: relative; }
.preview-card { border-radius: var(--radius-hero); overflow: hidden; background: var(--color-panel); box-shadow: var(--shadow-md); border: 1px solid rgba(220,230,238,.7); }
.preview-browser { display: flex; align-items: center; gap: 10px; height: 48px; padding: 0 16px; background: #EAF0F6; box-shadow: inset 0 -1px 0 rgba(220,230,238,.8); }
.preview-dots { display: inline-flex; gap: 6px; }
.preview-dots i { width: 9px; height: 9px; border-radius: 50%; background: #C2CCD6; }
.preview-dots i:first-child { background: #F2A78D; }
.preview-dots i:nth-child(2) { background: #F3CA5F; }
.preview-dots i:nth-child(3) { background: #68B98A; }
.preview-address { flex: 1; height: 30px; border-radius: 6px; background: #DCE6EE; color: var(--color-muted); font-size: 12px; display: flex; align-items: center; padding: 0 10px; white-space: nowrap; overflow: hidden; }
.preview-image { position: relative; aspect-ratio: 16 / 11; }
.preview-image img { width: 100%; height: 100%; object-fit: cover; }
.preview-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,43,58,.04) 0%, rgba(23,43,58,.28) 100%); }
.preview-tip { position: absolute; left: 18px; right: 18px; bottom: 18px; z-index: 2; min-height: 72px; border-radius: 14px; background: rgba(255,255,255,.95); box-shadow: var(--shadow-md); padding: 14px 16px; display: flex; flex-direction: column; justify-content: center; }
.preview-tip strong { font-size: 15px; color: var(--color-heading); }
.preview-tip span { font-size: 13px; color: var(--color-muted); margin-top: 2px; }
.hero-badge { position: absolute; left: -18px; top: 28px; background: var(--color-accent); color: #fff; box-shadow: 0 10px 20px rgba(240,100,73,.28); border-radius: 10px; padding: 10px 14px; font-size: 12px; line-height: 1.4; z-index: 3; max-width: 130px; }
.hero-badge strong { display: block; font-size: 14px; }

/* Notice strip */
.notice-strip { background: #FFFDF8; border-bottom: 1px solid var(--color-border); }
.notice-inner { display: flex; align-items: center; gap: 14px; height: auto; min-height: 70px; padding-top: 18px; padding-bottom: 18px; }
.notice-icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: #EAF0F6; color: var(--color-primary-dark); font-weight: 900; font-size: 14px; flex-shrink: 0; }
.notice-text { font-size: 15px; color: var(--color-text); }

/* Guide layout */
.guide-layout { position: relative; display: grid; grid-template-columns: 276px minmax(0, 1fr); gap: 48px; padding-top: 54px; padding-bottom: 60px; align-items: start; }
.toc-panel { position: sticky; top: 96px; z-index: 5; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); padding: 20px; }
.toc-title { font-size: 13px; font-weight: 800; letter-spacing: .5px; color: var(--color-placeholder); margin-bottom: 12px; }
.toc-list { list-style: none; }
.toc-list li { padding-left: 0; }
.toc-list a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--color-text); line-height: 1.4; }
.toc-list a small { color: var(--color-placeholder); font-weight: 700; font-size: 12px; }
.toc-list a:hover { background: #F0F6FA; color: var(--color-primary); }
.toc-card { margin-top: 22px; padding: 16px; border-radius: 10px; background: var(--color-panel); border-left: 3px solid var(--color-primary); }
.toc-card strong { display: block; color: var(--color-heading); font-size: 14px; }
.toc-card p { font-size: 13px; line-height: 1.7; color: var(--color-muted); margin-top: 6px; }

.guide-body { min-width: 0; }
.guide-section { margin-bottom: 64px; scroll-margin-top: 100px; }
.section-head { margin-bottom: 24px; }
.section-kicker { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 20px; background: var(--color-panel); color: var(--color-primary-dark); font-size: 12px; font-weight: 800; letter-spacing: .4px; }
.section-head h2 { margin-top: 12px; }
.section-head p { margin-top: 10px; max-width: 640px; color: var(--color-muted); font-size: 15px; }

/* Step cards */
.steps-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.step-card { position: relative; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-sm); padding: 26px 24px 24px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(61,127,166,.36); }
.step-no { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 10px; background: var(--color-primary); color: #fff; font-size: 15px; font-weight: 800; box-shadow: 0 6px 14px rgba(61,127,166,.20); }
.step-card h3 { margin-top: 18px; font-size: 18px; }
.step-card p { margin-top: 8px; font-size: 14px; line-height: 1.8; color: var(--color-muted); }
.step-flow-note { margin-top: 16px; padding: 14px 16px; border-radius: 10px; background: var(--color-panel); font-size: 14px; color: var(--color-text); }

/* Checklist cards */
.check-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.check-card { background: var(--color-surface); border-radius: 14px; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); padding: 20px 18px; }
.check-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: #E2F0EA; color: #3A8E71; font-size: 15px; font-weight: 800; }
.check-card h3 { margin-top: 14px; font-size: 16px; }
.check-card p { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--color-muted); }

/* Issue cards */
.issue-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.issue-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; box-shadow: var(--shadow-sm); padding: 24px; transition: transform var(--transition), box-shadow var(--transition); }
.issue-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.issue-title { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; color: var(--color-heading); }
.issue-title i { font-style: normal; display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 8px; background: var(--color-panel); color: var(--color-primary-dark); font-weight: 800; font-size: 14px; }
.issue-card p { margin-top: 12px; font-size: 14px; line-height: 1.85; color: var(--color-muted); }

/* Visit strip */
.visit-strip { display: grid; grid-template-columns: 200px 1fr; align-items: center; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 18px; box-shadow: var(--shadow-sm); overflow: hidden; margin-top: 24px; }
.visit-strip img { width: 100%; height: 100%; min-height: 170px; object-fit: cover; }
.visit-copy { padding: 24px 28px; }
.visit-copy small { font-size: 13px; color: var(--color-primary); font-weight: 800; }
.visit-copy h3 { margin-top: 6px; font-size: 20px; }
.visit-copy p { margin-top: 8px; color: var(--color-muted); font-size: 14px; }
.visit-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.visit-links a { font-weight: 700; font-size: 14px; border-bottom: 2px solid var(--color-border); padding-bottom: 2px; }
.visit-links a:hover { color: var(--color-primary-dark); border-bottom-color: var(--color-primary); }

/* FAQ */
.page-faq { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 18px; box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:last-child { border-bottom: none; }
.faq-q { display: flex; align-items: center; gap: 16px; width: 100%; text-align: left; padding: 20px 24px; background: var(--color-surface); }
.faq-q:hover { background: #F9FCFE; }
.faq-q-code { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--color-panel); color: var(--color-primary-dark); font-size: 14px; font-weight: 800; }
.faq-q-text { flex: 1; font-size: 16px; font-weight: 700; color: var(--color-heading); line-height: 1.5; }
.faq-toggle { position: relative; flex: none; width: 24px; height: 24px; border-radius: 50%; background: #EAF0F6; display: inline-flex; align-items: center; justify-content: center; }
.faq-toggle::before, .faq-toggle::after { content: ""; position: absolute; width: 2px; height: 10px; background: var(--color-primary); border-radius: 2px; transition: transform var(--transition); }
.faq-toggle::before { transform: rotate(90deg); }
.faq-toggle::after { transform: rotate(0deg); }
.faq-item.open .faq-toggle::before { transform: rotate(0deg); opacity: 0; }
.faq-item.open .faq-toggle::after { transform: rotate(0deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 320px; padding-bottom: 22px; }
.faq-a p { font-size: 15px; line-height: 1.85; color: var(--color-muted); border-left: 3px solid var(--color-border); padding-left: 16px; }

/* CTA block */
.cta-zone { padding-bottom: 80px; }
.cta-box { background: var(--color-panel); border: 1px solid #D6E2EB; border-radius: 20px; padding: 38px 40px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; box-shadow: var(--shadow-sm); }
.cta-box h2 { font-size: 26px; font-weight: 900; }
.cta-box p { margin-top: 10px; font-size: 15px; color: var(--color-muted); max-width: 640px; line-height: 1.8; }
.cta-box .btn-primary { background: var(--color-accent); box-shadow: 0 8px 18px rgba(240,100,73,.22); }
.cta-box .btn-primary:hover { background: var(--color-accent-dark); }
.cta-box .btn-outline { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.cta-box .btn-outline:hover { background: rgba(61,127,166,.08); color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-actions .btn { min-width: 148px; }

/* Footer */
.site-footer { background: var(--color-footer-bg); color: #A7C0D2; }
.site-footer .container { padding-top: 56px; padding-bottom: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 40px; border-bottom: 1px solid var(--color-footer-line); }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .brand-mark { box-shadow: none; }
.footer-brand-text { font-size: 18px; font-weight: 800; color: #EAF1F6; }
.footer-brand-text em { font-style: normal; color: var(--color-primary); }
.footer-desc { font-size: 14px; line-height: 1.85; color: #A7C0D2; max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 800; color: #F1F6FA; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a { color: #A7C0D2; font-size: 14px; }
.footer-links a:hover { color: var(--color-footer-text); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 26px; font-size: 13px; color: #7D9AAD; }
.footer-bottom a { color: var(--color-footer-text); }
.footer-bottom a:hover { color: #C5DFEE; }

/* Responsive */
@media (max-width: 1199px) {
  .official-hero-inner { gap: 42px; }
  .check-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .search-box input { width: 170px; }
}
@media (max-width: 991px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; top: 72px; left: 0; right: 0; margin: 0; background: #fff; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); flex-direction: column; align-items: stretch; gap: 4px; padding: 18px 24px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity var(--transition), transform var(--transition); }
  .site-nav.open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
  .site-nav .nav-link { width: 100%; justify-content: center; }
  .header-inner { gap: 12px; }
  .search-box { display: none; }
  .btn-cta { min-width: 96px; padding: 0 14px; }
  .brand-text { font-size: 18px; }
  .official-hero-inner { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; padding-bottom: 48px; }
  .hero-preview { max-width: 520px; margin: 0 auto; }
  .guide-layout { grid-template-columns: 1fr; gap: 32px; padding-top: 40px; }
  .toc-panel { position: static; }
  .toc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .toc-card { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 767px) {
  .brand-text { font-size: 16px; }
  .brand-mark { width: 36px; height: 36px; font-size: 17px; }
  .brand-text em { display: block; }
  .btn-login { min-width: 76px; padding: 0 12px; }
  .btn-cta { display: none; }
  .official-hero-inner { padding-top: 34px; padding-bottom: 36px; gap: 26px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-points { gap: 18px; flex-wrap: wrap; }
  .notice-inner { align-items: flex-start; }
  .steps-grid { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: 1fr; }
  .issue-grid { grid-template-columns: 1fr; }
  .visit-strip { grid-template-columns: 1fr; }
  .visit-strip img { max-height: 180px; min-height: 0; }
  .visit-copy { padding: 20px; }
  .faq-q { padding: 18px 16px; }
  .faq-q-text { font-size: 15px; }
  .faq-a { padding: 0 16px; }
  .faq-item.open .faq-a { padding: 0 16px 18px; }
  .cta-box { padding: 28px 22px; }
  .cta-box h2 { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer-bottom { flex-direction: column; }
  .toc-list { grid-template-columns: 1fr; }
  .toc-panel { padding: 16px; }
}
@media (max-width: 480px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .header-inner { gap: 8px; }
  .brand-text { font-size: 15px; letter-spacing: -0.2px; }
  .brand-mark { width: 34px; height: 34px; font-size: 16px; }
  .btn-login { min-width: 72px; height: 36px; font-size: 13px; }
  .official-hero-inner { padding-top: 28px; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 15px; }
  .hero-label { font-size: 12px; }
  .btn-lg { width: 100%; justify-content: center; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
}

/* roulang page: category2 */
:root{
  --primary:#3D7FA6;
  --primary-deep:#2D5F7D;
  --accent:#F06449;
  --accent-deep:#D9533F;
  --bg:#F4F7FA;
  --soft:#EDF3F8;
  --white:#FFFFFF;
  --heading:#172B3A;
  --text:#335066;
  --muted:#6A849B;
  --line:#DCE6EE;
  --shadow-sm:0 4px 16px rgba(23,43,58,.06);
  --shadow-hover:0 12px 28px rgba(23,43,58,.12);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:24px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
.container{width:min(1200px,100% - 48px);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 按钮体系 */
.btn-login,.btn-cta,.btn-outline,.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1;padding:0 18px;height:40px;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;white-space:nowrap}
.btn-login{background:var(--white);border:1px solid var(--primary);color:var(--primary)}
.btn-login:hover{background:#EAF3F7}.btn-login:active{transform:translateY(1px)}
.btn-cta{background:var(--accent);border:1px solid var(--accent);color:#fff;box-shadow:0 6px 16px rgba(240,100,73,.24)}
.btn-cta:hover{background:#e05a40;box-shadow:0 9px 20px rgba(240,100,73,.3);transform:translateY(-1px)}
.btn-cta:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(240,100,73,.2)}
.btn-outline{height:46px;padding:0 22px;border:1px solid var(--primary);color:var(--primary-deep);background:var(--white);border-radius:8px}
.btn-outline:hover{background:#EAF3F7;border-color:var(--primary-deep)}
.btn-accent{height:46px;padding:0 24px;background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:8px;box-shadow:0 8px 18px rgba(240,100,73,.22)}
.btn-accent:hover{background:#E05A40;transform:translateY(-1px);box-shadow:0 12px 24px rgba(240,100,73,.28)}
.btn-accent:active{transform:translateY(1px)}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:10px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(61,127,166,.35);outline-offset:2px}

/* 导航 */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.container.header-inner{height:72px;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:900;box-shadow:0 4px 10px rgba(61,127,166,.22)}
.brand-text,.footer-brand-text{font-size:18px;font-weight:800;color:var(--heading);letter-spacing:.2px}
.brand-text em,.footer-brand-text em{font-style:normal;color:var(--primary);font-weight:900}
.site-nav{display:flex;gap:6px;margin-left:22px;flex:1}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);transition:background .2s,color .2s}
.nav-link:hover{color:var(--primary);background:#EBF3F8}
.nav-link.active{background:#DCECF4;color:var(--primary-deep)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{position:relative;display:inline-flex;align-items:center;width:200px;height:40px;background:#F4F7FA;border:1px solid transparent;border-radius:999px;padding:0 12px 0 16px;transition:border .2s,background .2s,box-shadow .2s}
.search-box:focus-within{background:var(--white);border-color:var(--primary);box-shadow:0 0 0 3px rgba(61,127,166,.15)}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;color:var(--heading);width:100%;height:100%}
.search-box input::placeholder{color:var(--muted)}
.search-icon{width:15px;height:15px;border:2px solid var(--muted);border-radius:50%;position:relative;flex-shrink:0}
.search-icon::after{content:"";position:absolute;width:7px;height:2px;background:var(--muted);border-radius:2px;right:-5px;bottom:-3px;transform:rotate(45deg)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:var(--white);align-items:center;justify-content:center;cursor:pointer;padding:0}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--heading)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--heading);transition:transform .25s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.nav-open .nav-toggle span{background:transparent}
.site-header.nav-open .nav-toggle span::before{transform:rotate(45deg);top:0}
.site-header.nav-open .nav-toggle span::after{transform:rotate(-45deg);top:0}

/* 通用区块 */
.section{padding:96px 0}
.bg-white{background:var(--white)}
.bg-soft{background:#ECF2F7}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--primary);margin-bottom:16px;text-transform:none}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head{margin-bottom:42px}
.section-head h2{font-size:28px;line-height:36px;color:var(--heading);font-weight:800;letter-spacing:.2px}
.section-head p{margin-top:10px;font-size:16px;color:var(--muted);max-width:620px}
.section-head.center{text-align:center}
.section-head.center p{margin-inline:auto}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:700;background:#E8F0F5;color:var(--primary-deep)}

/* 分类页首屏 */
.page-hero{position:relative;background-color:#EDF3F8;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(243,247,250,.94)}
.page-hero .container{position:relative;z-index:2}
.hot-head__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;padding:80px 0 88px}
.page-hero h1{font-size:36px;line-height:44px;color:var(--heading);font-weight:900;letter-spacing:.3px;margin-bottom:18px}
.lead{font-size:17px;line-height:28px;color:var(--text);max-width:560px;margin-bottom:28px}
.hot-head__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.mini-trust{display:flex;flex-wrap:wrap;gap:14px 22px;color:var(--muted);font-size:14px}
.mini-trust span{display:inline-flex;align-items:center;gap:6px}
.mini-trust i{width:7px;height:7px;border-radius:50%;background:var(--primary);font-style:normal}

/* 首屏焦点卡 */
.spot-card{background:var(--white);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow-hover);transition:transform .3s,box-shadow .3s}
.spot-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(23,43,58,.14)}
.spot-card .cover{border-radius:18px;overflow:hidden;height:308px}
.spot-card .cover img{width:100%;height:100%;object-fit:cover}
.spot-card-info{padding:20px 16px 16px}
.spot-card-info h3{font-size:19px;color:var(--heading);font-weight:800;line-height:28px;margin:12px 0 8px}
.spot-card-info p{font-size:14px;color:var(--muted);line-height:22px;margin-bottom:14px}
.spot-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:gap .2s,color .2s}
.spot-link:hover{color:var(--accent);gap:10px}

/* 赛程时间轴 */
.schedule-layout{display:grid;grid-template-columns:216px 1fr;gap:36px;align-items:start}
.period-nav{position:sticky;top:100px;background:var(--soft);border-radius:20px;padding:20px 14px;display:flex;flex-direction:column;gap:4px}
.period-nav_title{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.1em;padding:4px 12px 10px}
.period-nav a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);transition:background .2s,color .2s}
.period-nav a:hover{background:var(--white);color:var(--primary)}
.timeline-list{display:flex;flex-direction:column;gap:20px}
.timeline-item{display:grid;grid-template-columns:116px 1fr;gap:18px;background:var(--white);border:1px solid rgba(220,230,238,.75);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.timeline-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(61,127,166,.35)}
.time-node{text-align:center;padding-top:4px}
.time-node strong{display:block;font-size:20px;color:var(--primary-deep);line-height:1.3;letter-spacing:.06em;font-weight:800}
.time-node span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.tl-card{display:flex;flex-direction:column;gap:10px}
.tl-title{font-size:18px;font-weight:800;color:var(--heading);line-height:28px}
.tl-desc{font-size:15px;line-height:26px;color:var(--text);margin-bottom:2px}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:8px}
.tl-tags{display:inline-flex;gap:8px}
.tl-more{margin-left:auto;color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:gap .2s}
.tl-more:hover{color:var(--accent);gap:9px}
.timeline-note{margin-top:28px;font-size:13px;color:var(--muted);background:var(--soft);border-radius:12px;padding:14px 18px}

/* 热门热点卡片 */
.hot-card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.hot-card{background:var(--white);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column}
.hot-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.hot-card__cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:#E4EBF0}
.hot-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.hot-card:hover .hot-card__cover img{transform:scale(1.045)}
.hot-card__cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:46%;background:linear-gradient(180deg,rgba(23,43,58,0),rgba(23,43,58,.45))}
.hot-card__top{position:absolute;z-index:2;left:12px;right:12px;top:12px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.hot-card__top .tag{background:rgba(255,255,255,.92)}
.hot-flag{background:var(--accent);color:#fff;font-size:12px;font-weight:700;height:26px;padding:0 10px;border-radius:999px;box-shadow:0 6px 14px rgba(240,100,73,.28);display:inline-flex;align-items:center}
.hot-card__title{position:absolute;z-index:2;left:16px;right:14px;bottom:14px;color:#fff;font-size:17px;font-weight:800;line-height:24px;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.hot-card__body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.hot-card__body p{font-size:14px;line-height:22px;color:var(--muted)}
.hot-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid #EEF3F7;padding:12px 18px 14px;background:#FBFCFD}
.hot-card__foot a{color:var(--primary);font-weight:700;font-size:13px;display:inline-flex;gap:4px;transition:color .2s,gap .2s}
.hot-card__foot a:hover{color:var(--accent);gap:8px}

/* 生态内容双栏 */
.channel-layout{display:grid;grid-template-columns:1fr .95fr;gap:64px;align-items:center}
.channel-layout p{margin:16px 0 24px;font-size:16px;line-height:28px;color:var(--text);max-width:520px}
.channel-points{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
.channel-points li{list-style:none;display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text)}
.channel-points li::before{content:"✓";width:24px;height:24px;border-radius:50%;background:#DCECF4;color:var(--primary-deep);font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.channel-cell{background:var(--soft);border-radius:18px;padding:22px;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;gap:8px}
.channel-cell:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);background:var(--white)}
.channel-cell b{font-size:24px;color:var(--primary);font-weight:900;line-height:1.2}
.channel-cell span{font-size:14px;font-weight:700;color:var(--heading)}
.channel-cell small{font-size:13px;color:var(--muted);line-height:20px}
.creator-strip{margin-top:24px;font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.creator-strip span{display:inline-flex;align-items:center;gap:6px}

/* FAQ */
.faq-wrap{max-width:860px;margin-inline:auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;transition:background .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFCFF}
.q-mark{width:30px;height:30px;border-radius:50%;background:var(--soft);color:var(--primary-deep);font-weight:900;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.q-title{font-size:16px;font-weight:700;color:var(--heading);flex:1}
.faq-plus{width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:500;transition:transform .25s,background .2s,color .2s;flex-shrink:0}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--primary);color:#fff;border-color:var(--primary)}
.faq-answer{padding:0 24px 22px 68px;font-size:15px;line-height:26px;color:var(--text)}
.faq-answer a{color:var(--primary);font-weight:600}
.faq-answer a:hover{color:var(--accent)}

/* CTA */
.cta-block{position:relative;background:#E9F1F7;border-radius:28px;padding:64px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden}
.cta-block::after{content:"";position:absolute;right:-80px;top:-100px;width:280px;height:280px;border-radius:50%;background:rgba(61,127,166,.1)}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:28px;line-height:38px;color:var(--heading);font-weight:900;margin-bottom:10px}
.cta-copy p{font-size:15px;color:var(--muted);line-height:26px}
.cta-action{position:relative;z-index:1;flex-shrink:0}

/* 页脚 */
.site-footer{background:#152631;color:#B9CBD8;padding-top:76px;padding-bottom:30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:52px;padding-bottom:44px}
.footer-logo{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px}
.footer-logo .brand-mark{background:var(--primary)}
.footer-logo .footer-brand-text{color:#fff;font-size:19px}
.footer-desc{font-size:14px;line-height:24px;color:#8FA9BC;max-width:320px;margin-top:8px}
.footer-title{color:#fff;font-size:16px;font-weight:800;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#A9BFCE;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#8FB7D6;padding-left:5px}
.footer-bottom{border-top:1px solid rgba(185,203,216,.16);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;padding-top:24px;font-size:13px;color:#7894A8}
.footer-bottom a{color:#A9C7DA}
.footer-bottom a:hover{color:#8FB7D6}

/* 响应式 */
@media (max-width:1199px){
  .hot-card-grid{grid-template-columns:repeat(2,1fr)}
  .hot-head__inner{grid-template-columns:1.05fr .95fr;gap:36px}
}
@media (max-width:991px){
  .site-nav{position:fixed;top:72px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 18px 28px rgba(23,43,58,.08);padding:18px 24px;justify-content:center;gap:10px;display:none;margin-left:0}
  .site-header.nav-open .site-nav{display:flex;flex-wrap:wrap}
  .site-header.nav-open .nav-link{flex:1 1 auto;justify-content:center}
  .nav-toggle{display:inline-flex}
  .hot-head__inner{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .page-hero{background-position:top}
  .schedule-layout{grid-template-columns:1fr}
  .period-nav{position:static}
  .channel-layout{grid-template-columns:1fr;gap:36px}
  .cta-block{flex-direction:column;padding:44px 32px;text-align:center}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .header-tools .search-box{display:none}
  .brand-text{font-size:16px}
  .hot-card-grid{grid-template-columns:1fr 1fr;gap:16px}
  .timeline-item{grid-template-columns:1fr;padding:20px;gap:10px}
  .time-node{text-align:left;display:flex;align-items:center;gap:12px}
  .time-node strong{display:inline}
  .time-node span{margin-top:0}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .cta-block{padding:38px 24px}
}
@media (max-width:575px){
  .container{width:min(100% - 32px,1200px)}
  .brand-mark{width:30px;height:30px;font-size:16px}
  .brand-text{font-size:15px}
  .brand-text em{display:inline}
  .brand{min-width:0}
  .header-tools .btn-login{display:none}
  .btn-cta{height:38px;padding:0 14px;font-size:14px}
  .page-hero h1{font-size:27px;line-height:36px}
  .lead{font-size:16px;line-height:26px}
  .hot-head__actions .btn-accent,.hot-head__actions .btn-outline{width:100%}
  .mini-trust{gap:10px 14px}
  .section-head h2{font-size:24px;line-height:32px}
  .hot-card-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
  .faq-answer{padding-left:24px}
  .footer-bottom{flex-direction:column}
  .cta-block h2{font-size:23px}
}