/* roulang page: index */
:root {
  --color-primary: #2F6B84;
  --color-primary-dark: #1A4C63;
  --color-primary-light: #EAF2F5;
  --color-accent: #D97E4A;
  --color-accent-dark: #C26933;
  --color-bg-base: #F6FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-footer: #17313F;
  --color-border: #DCE8EE;
  --color-text-heading: #1E2E38;
  --color-text-body: #4F6370;
  --color-text-muted: #7B8D99;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px rgba(30, 46, 56, .06);
  --shadow-hover: 0 16px 34px rgba(30, 46, 56, .10);
  --font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg-base);
  color: var(--color-text-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: inline-block;
  object-fit: cover;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

p {
  margin: 0 0 1rem;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 .5rem;
}

h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  letter-spacing: .01em;
}

h2 {
  font-size: clamp(1.7rem, 2.6vw, 2.3rem);
}

h3 {
  font-size: 1.15rem;
}

.container {
  max-width: 1180px;
}

:focus-visible {
  outline: 3px solid rgba(47, 107, 132, .35);
  outline-offset: 2px;
}

::selection {
  background: rgba(47, 107, 132, .16);
}

.section-white {
  background: #fff;
  padding: clamp(4rem, 8vw, 6.8rem) 0;
}

.section-tint {
  background: #F0F7FA;
  padding: clamp(4rem, 8vw, 6.8rem) 0;
}

.section-plain {
  background: var(--color-bg-base);
  padding: clamp(4rem, 8vw, 6.8rem) 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(47, 107, 132, .08);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading .sec-desc {
  font-size: 1.0625rem;
  color: var(--color-text-body);
  margin-top: 10px;
}

.section-heading-left {
  text-align: left;
  margin-left: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  min-height: 72px;
  padding: 0;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--color-text-heading);
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 12px;
  font-size: 1.05rem;
  box-shadow: 0 6px 18px rgba(47, 107, 132, .20);
}

.navbar-nav {
  gap: 6px;
}

.site-header .nav-link {
  color: var(--color-text-body);
  font-weight: 500;
  font-size: .95rem;
  padding: .5rem .5rem;
  margin: 0 14px;
  position: relative;
  border-radius: 0;
}

.site-header .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 3px;
  border-radius: 3px;
  background: var(--color-primary);
  opacity: 0;
  transform: scaleX(.4);
  transition: opacity .22s ease, transform .22s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link.active {
  color: var(--color-primary);
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-cta {
  margin-left: 10px;
}

.navbar-toggler {
  border: none;
  padding: 8px 6px;
  width: 42px;
  height: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 3px solid rgba(47, 107, 132, .20);
}

.navbar-toggler span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-heading);
  border-radius: 3px;
  transition: transform .2s;
}

.site-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(47, 107, 132, .12);
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}

.site-btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(47, 107, 132, .22);
}

.site-btn-primary:focus {
  outline: 3px solid rgba(47, 107, 132, .32);
  outline-offset: 2px;
}

.site-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid #AAC5D0;
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  white-space: nowrap;
  transition: border-color .2s, color .2s, transform .2s, box-shadow .2s;
}

.site-btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 107, 132, .08);
}

.site-btn-sm {
  height: 42px;
  padding: 0 22px;
  font-size: .9rem;
}

.site-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 600;
}

.site-link i {
  font-size: .8rem;
  transition: transform .2s;
}

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

.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background:
    linear-gradient(to right, rgba(255, 255, 255, .96) 10%, rgba(235, 246, 249, .86) 70%, rgba(224, 240, 245, .82)),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: 780px;
}

.hero-title {
  margin-top: 18px;
  margin-bottom: 24px;
  color: var(--color-text-heading);
}

.hero-subtitle {
  font-size: 1.0625rem;
  line-height: 1.9;
  max-width: 640px;
  margin-bottom: 32px;
  color: var(--color-text-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 46px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  border-top: 1px solid rgba(47, 107, 132, .12);
  padding-top: 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-body);
  font-size: .9rem;
}

.hero-tag i {
  color: var(--color-primary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
}

.section-pad-lg {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.feature-main {
  position: relative;
  background: var(--color-bg-footer);
  color: #F1F7FA;
  border-radius: 20px;
  padding: 40px;
  height: 100%;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(23, 49, 63, .15);
}

.feature-main::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(79, 134, 157, .20);
}

.feature-main h3,
.feature-main h4 {
  color: #fff;
}

.feature-main .feature-icon-large {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .14);
  border-radius: 14px;
  font-size: 1.45rem;
  color: #F2C094;
  margin-bottom: 22px;
}

.feature-main p {
  color: #D7E4E9;
}

.feature-list {
  margin: 18px 0 26px;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  font-size: .94rem;
}

.feature-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: #F2C094;
  font-size: .75rem;
}

.feature-main .site-btn-primary {
  background: #fff;
  border-color: #fff;
  color: var(--color-primary-dark);
}

.feature-main .site-btn-primary:hover {
  background: #F0F6F8;
  border-color: #F0F6F8;
  color: var(--color-primary-dark);
}

.feature-mini {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px;
  height: 100%;
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}

.feature-mini::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity .2s;
}

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

.feature-mini:hover::before {
  opacity: 1;
}

.feature-mini .mini-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 12px;
  font-size: 1.15rem;
  margin-bottom: 18px;
}

.feature-guide {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  background: #F4F9FB;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px 26px;
}

.feature-guide p {
  margin: 0;
  max-width: 560px;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.scenario-section {
  background: #EFF6F9;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.scenario-content {
  max-width: 560px;
}

.scenario-list {
  margin: 26px 0 30px;
}

.scenario-list-item {
  position: relative;
  padding-left: 62px;
  margin-bottom: 26px;
}

.scenario-list-item .step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  box-shadow: 0 6px 14px rgba(47, 107, 132, .08);
}

.scenario-list-item h4 {
  margin-bottom: 4px;
}

.scenario-list-item p {
  margin-bottom: 0;
  font-size: .94rem;
}

.scenario-preview {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 50px rgba(23, 49, 63, .12);
  overflow: hidden;
}

.preview-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: #F6FAFC;
  border-bottom: 1px solid var(--color-border);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #D9E6EC;
}

.preview-dot:first-child {
  background: #F2B8A2;
}

.preview-dot:nth-child(2) {
  background: #E9C46A;
}

.preview-addr {
  flex: 1;
  margin-left: 12px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 5px 16px;
  font-size: .8rem;
  color: var(--color-text-muted);
}

.preview-media {
  position: relative;
  aspect-ratio: 16 / 9;
  margin: 0;
}

.preview-media img {
  width: 100%;
  height: 100%;
}

.preview-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(23, 49, 63, .82);
  color: #fff;
  font-size: .75rem;
  font-weight: 600;
  border-radius: 100px;
  padding: 4px 12px;
}

.preview-body {
  padding: 24px;
}

.preview-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.preview-tab {
  background: #F4F9FB;
  color: var(--color-text-body);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
}

.preview-tab.active-tab {
  background: var(--color-primary);
  color: #fff;
}

.preview-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.preview-line {
  height: 8px;
  border-radius: 8px;
  background: #EAF2F5;
}

.preview-line.short {
  width: 68%;
}

.preview-line.orange {
  width: 40%;
  background: #F0D9C9;
}

.social-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.social-kpi {
  background: #F4F9FB;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 28px 24px;
  text-align: center;
  transition: transform .2s, box-shadow .2s;
}

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

.social-kpi .kpi-num {
  color: var(--color-primary);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.social-kpi .kpi-txt {
  color: var(--color-text-heading);
  font-weight: 600;
}

.channel-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.channel-chip {
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 10px 20px;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s, border-color .2s, transform .2s;
}

.channel-chip:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

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

.faq-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px !important;
  overflow: hidden;
  margin-bottom: 14px;
  box-shadow: none;
}

.faq-accordion .accordion-button {
  background: #fff;
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 20px 24px;
  border: none;
  box-shadow: none;
  transition: color .2s, background .2s;
}

.faq-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='%232F6B84' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: rgba(47, 107, 132, .3);
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  filter: none;
}

.faq-accordion .accordion-button:hover {
  background: #F4F9FB;
}

.faq-accordion .accordion-body {
  padding: 6px 24px 22px;
  color: var(--color-text-body);
}

.news-section {
  background: #fff;
  padding: clamp(4rem, 8vw, 6.8rem) 0 7.5rem;
}

.news-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 30px;
}

.news-heading-row h2 {
  margin-bottom: 4px;
}

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

.news-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 24px 26px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.news-item:hover {
  border-color: rgba(47, 107, 132, .35);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.news-item-main {
  flex: 1 1 460px;
  min-width: 0;
}

.news-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: .8rem;
  margin-bottom: 8px;
}

.news-cat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--color-primary);
  font-size: .82rem;
}

.news-cat::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.news-title {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.news-title a {
  color: var(--color-text-heading);
  transition: color .2s;
}

.news-title a:hover {
  color: var(--color-primary);
}

.news-summary {
  color: var(--color-text-muted);
  margin-bottom: 10px;
  font-size: .92rem;
  line-height: 1.8;
}

.news-item-foot {
  display: flex;
  align-items: center;
  gap: 18px;
}

.news-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
  border: 2px dashed #D6E3EA;
  border-radius: 16px;
  text-align: center;
  color: var(--color-text-muted);
}

.news-empty i {
  font-size: 2rem;
  color: #B9CCD4;
}

.news-empty p {
  margin-bottom: 0;
}

.site-cta-bar {
  background: #fff;
  padding: 0;
  border-top: 1px solid var(--color-border);
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  box-shadow: 0 -6px 24px rgba(23, 49, 63, .06);
}

.cta-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.cta-bar-text {
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .98rem;
}

.cta-bar-text i {
  color: var(--color-primary);
}

.cta-bar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.sticky-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #F9FBFD;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: .85rem;
  transition: all .2s;
  margin-left: 4px;
}

.sticky-close:hover {
  background: #EBF1F4;
  color: var(--color-text-heading);
  border-color: #c6d8e0;
}

.site-footer {
  background: var(--color-bg-footer);
  color: #A9BEC9;
  padding-top: 64px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand-title {
  color: #fff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.footer-brand-title .footer-logo-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, .12);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #F2C094;
}

.footer-title {
  font-size: .9rem;
  color: #fff;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: #A9BEC9;
  font-size: .9rem;
  transition: color .2s;
}

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

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: .9rem;
}

.footer-contact-list i {
  color: #F2C094;
  margin-top: 5px;
  font-size: .85rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .10);
  padding: 20px 0 130px;
  font-size: .85rem;
  color: #819AA7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: #95B3BF;
}

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

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 18px 20px;
    margin-top: 10px;
    box-shadow: 0 16px 30px rgba(23, 49, 63, .12);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
  }

  .site-header .navbar-nav {
    gap: 0;
  }

  .site-header .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid #EDF4F7;
    margin: 0;
    font-size: 1rem;
  }

  .site-header .nav-link:last-child {
    border-bottom: 0;
  }

  .navbar .site-btn-primary {
    margin-top: 16px;
  }

  .hero-section {
    min-height: auto;
    padding: 80px 0 56px;
  }

  .hero-tags {
    gap: 16px 20px;
  }

  .social-kpis {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 767.98px) {
  .section-white,
  .section-tint,
  .section-plain {
    padding: 62px 0;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .feature-main {
    padding: 28px;
  }

  .scenario-preview {
    margin-top: 34px;
  }

  .social-kpis {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 36px;
  }

  .social-kpi {
    padding: 20px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-align: left;
  }

  .channel-wall {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
  }

  .channel-chip {
    white-space: nowrap;
  }

  .news-section {
    padding-bottom: 7rem;
  }

  .news-item {
    flex-direction: column;
    padding: 20px;
    gap: 10px;
  }

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

  .footer-bottom {
    padding-bottom: 100px;
  }

  .cta-bar-inner {
    padding: 12px 8px;
    justify-content: center;
    text-align: center;
  }

  .cta-bar-text {
    width: 100%;
    justify-content: center;
    font-size: .9rem;
  }

  .cta-bar-actions {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand {
    font-size: 1rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero-actions .site-btn-primary,
  .hero-actions .site-btn-outline,
  .cta-bar-actions .site-btn-primary {
    width: 100%;
    margin-left: 0;
  }

  .feature-guide {
    padding: 18px 16px;
  }

  .guide-actions .site-btn-primary,
  .guide-actions .site-btn-outline {
    width: 100%;
  }

  .news-item-foot {
    flex-wrap: wrap;
  }

  .scenario-list-item {
    padding-left: 52px;
  }

  .scenario-list-item .step-num {
    width: 36px;
    height: 36px;
    font-size: .9rem;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #2F6B84;
  --color-primary-dark: #1A4C63;
  --color-primary-light: #EAF2F5;
  --color-accent: #D97E4A;
  --color-accent-dark: #C26933;
  --color-bg-base: #F6FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-footer: #17313F;
  --color-border: #DCE8EE;
  --color-text-heading: #1E2E38;
  --color-text-body: #4F6370;
  --color-text-muted: #7B8D99;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 6px 20px rgba(47, 107, 132, 0.07);
  --shadow-hover: 0 18px 38px rgba(47, 107, 132, 0.14);
  --transition-base: all .22s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-body);
  background-color: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { color: var(--color-text-heading); font-weight: 600; line-height: 1.35; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; vertical-align: middle; object-fit: cover; }
button { font-family: inherit; }
.btn:focus, .btn:focus-visible, a:focus-visible, .form-control:focus {
  outline: 3px solid rgba(47, 107, 132, .28);
  outline-offset: 2px;
  box-shadow: none !important;
}
/* Buttons */
.btn-site {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .65rem 1.55rem;
  border-radius: var(--radius-sm);
  font-size: .975rem;
  font-weight: 600;
  line-height: 1.25;
  border: 1px solid transparent;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: 0 5px 12px rgba(217, 126, 74, .25);
  cursor: pointer;
}
.btn-site:hover, .btn-site:active {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 9px 20px rgba(194, 105, 51, .28);
}
.btn-primary-site {
  background: var(--color-primary);
  box-shadow: 0 5px 14px rgba(47, 107, 132, .22);
  color: #fff;
}
.btn-primary-site:hover, .btn-primary-site:active {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 10px 22px rgba(26, 76, 99, .27);
}
.btn-outline-site {
  background: transparent;
  border: 1px solid #C4D6DF;
  color: var(--color-primary-dark);
  box-shadow: none;
}
.btn-outline-site:hover, .btn-outline-site:active {
  background: var(--color-bg-card);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-sm-ish { min-height: 40px; padding: .38rem 1.25rem; font-size: .9rem; }
/* Header / nav */
.site-header {
  position: sticky; top: 0; left: 0; right: 0; z-index: 1030;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--color-border);
}
.site-header .navbar { min-height: 76px; padding-top: .5rem; padding-bottom: .5rem; }
.navbar-brand {
  display: inline-flex; align-items: center; gap: .72rem;
  color: var(--color-text-heading);
  font-size: 1.25rem;
  letter-spacing: .02em;
}
.navbar-brand:hover { color: var(--color-text-heading); }
.brand-mark {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid #CFE2E9;
  border-radius: 12px;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
}
.site-header .navbar-nav { column-gap: .4rem; }
.navbar .nav-link {
  display: inline-block;
  padding: .55rem .18rem !important;
  margin: 0 1.15rem;
  font-size: .98rem;
  font-weight: 500;
  color: var(--color-text-body) !important;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  position: relative;
}
.navbar .nav-link:hover { color: var(--color-primary-dark) !important; }
.navbar .nav-link.active {
  color: var(--color-primary-dark) !important;
  font-weight: 600;
  border-bottom-color: var(--color-primary);
}
.navbar .nav-link.active::after {
  content: "";
  width: 5px; height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  bottom: -5px;
  transform: translateX(-50%);
}
.site-header .navbar-toggler {
  border: 0;
  padding: .4rem .45rem;
  background: transparent;
  box-shadow: none !important;
}
.site-header .navbar-toggler span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  margin: 5px 0;
  transition: var(--transition-base);
}
.site-header .navbar-toggler:not(.collapsed) span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header .navbar-toggler:not(.collapsed) span:nth-child(2) { opacity: 0; }
.site-header .navbar-toggler:not(.collapsed) span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* container */
.container { max-width: 1240px; }
/* footer */
.site-footer {
  background: var(--color-bg-footer);
  color: #C6D5DE;
  padding: 68px 0 0;
  margin-top: 80px;
}
.site-footer a { color: #B9CAD3; transition: color .2s ease; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.3fr 1.3fr 1.6fr;
  gap: 36px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand-title {
  color: #fff;
  font-size: 1.28rem;
  display: flex;
  align-items: center;
  gap: .65rem;
}
.footer-logo-icon {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.12);
  color: #F4C49A;
  border-radius: 12px;
}
.footer-title {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  letter-spacing: .06em;
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: .62rem; }
.footer-links a { font-size: .92rem; }
.footer-contact-list { list-style: none; margin: 0; padding: 0; }
.footer-contact-list li { font-size: .9rem; margin-bottom: .72rem; display: flex; gap: .5rem; align-items: flex-start; }
.footer-contact-list i { color: #88AABB; margin-top: .28rem; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem 2rem;
  padding: 24px 0 30px;
  font-size: .86rem;
  color: #93ADBB;
}
/* page hero */
.cat-hero {
  background:
    linear-gradient(90deg, rgba(246,250,252,.96) 0%, rgba(239,247,250,.86) 62%, rgba(232,242,245,.72) 100%),
    url("/assets/images/backpic/back-1.webp") center 32% / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.cat-hero-inner {
  padding: clamp(4.2rem, 9vw, 6.8rem) 0 4.5rem;
  position: relative;
}
.cat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--color-border);
  border-radius: 60px;
  padding: .45rem 1rem;
  color: var(--color-primary-dark);
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 1.35rem;
  backdrop-filter: blur(4px);
}
.eyebrow-dot { width: 7px; height: 7px; background: var(--color-accent); border-radius: 50%; display: inline-block; }
.cat-hero h1 {
  font-size: clamp(2.35rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 1.1rem;
  color: var(--color-primary-dark);
}
.cat-hero .lead {
  color: #48606E;
  font-size: 1.06rem;
  line-height: 1.85;
  max-width: 640px;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-bottom: 2rem; }
.hero-tagline {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2rem;
  align-items: center;
  color: var(--color-text-muted);
  font-size: .92rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(47,107,132,.14);
  max-width: 680px;
}
.hero-tagline span i { color: var(--color-accent); margin-right: .4rem; }
.hero-visual-frame { position: relative; }
.hero-chat-card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(220,232,238,.85);
  box-shadow: var(--shadow-hover);
  padding: 1.1rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(5px);
}
.hero-chat-card .head-line {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding-bottom: .85rem;
  border-bottom: 1px dashed #DFE9EE;
  color: var(--color-text-heading);
  font-size: .93rem;
  font-weight: 600;
}
.head-avatar {
  width: 38px; height: 38px;
  flex: 0 0 38px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.head-avatar img { width: 100%; height: 100%; border-radius: 50%; }
.hero-chat-card h4 {
  font-size: 1.06rem;
  margin-bottom: 1.05rem;
  margin-top: 1rem;
  color: var(--color-primary-dark);
}
.talk-bubble {
  background: #F1F7FA;
  border: 1px solid #DCECF3;
  border-radius: 4px 16px 16px 16px;
  padding: .8rem 1rem;
  color: var(--color-text-body);
  font-size: .9rem;
  margin-bottom: 1rem;
}
.talk-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1rem; }
.talk-tag {
  border: 1px solid #C5DDE7;
  background: #fff;
  color: var(--color-primary-dark);
  border-radius: 40px;
  font-size: .82rem;
  padding: .34rem .85rem;
  transition: var(--transition-base);
}
.talk-tag:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.chat-limit-note { color: var(--color-text-muted); font-size: .82rem; display: flex; gap: .4rem; }
/* generic section spacing */
.section-block { padding: clamp(4rem, 8vw, 6.6rem) 0; }
.section-block.bg-white { background: #fff; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 2.6rem; }
.section-head h2 { font-size: clamp(1.65rem, 2.6vw, 2.2rem); font-weight: 700; margin-bottom: .55rem; letter-spacing: .01em; }
.section-head h2 i { color: var(--color-accent); margin-right: .55rem; font-size: 1.5rem; }
.section-head .head-desc { color: var(--color-text-body); font-size: 1rem; max-width: 620px; }
.head-kicker { display: flex; align-items: center; gap: .45rem; color: var(--color-accent-dark); font-size: .86rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; margin-bottom: .5rem; }
.head-kicker::before { content: ""; width: 24px; height: 2px; background: var(--color-accent); }
/* sport overview cards */
.service-intro-wrap {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 2.3rem;
}
.service-topline { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; padding-bottom: 2rem; border-bottom: 1px dashed var(--color-border); }
.soft-note { color: var(--color-text-heading); font-size: 1.06rem; }
.soft-note b { color: var(--color-accent-dark); }
.sport-label-card { display: flex; gap: 1rem; align-items: flex-start; margin-top: 1rem; }
.sport-label-card i { font-size: 1.1rem; color: var(--color-primary); margin-top: .3rem; }
.sport-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
  padding-top: 1.8rem;
}
.sport-grid-item {
  border: 1px solid var(--color-border);
  background: #FAFDFF;
  border-radius: 14px;
  padding: 1.05rem 1.1rem 1.15rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}
.sport-grid-item::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: transparent; transition: var(--transition-base); }
.sport-grid-item:hover { background: #fff; box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.sport-grid-item:hover::before { background: var(--color-accent); }
.sport-grid-icon {
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 14px;
  font-size: 1.25rem;
  margin-bottom: 1.1rem;
}
.sport-grid-item h3 { font-size: 1.02rem; margin-bottom: .4rem; color: var(--color-primary-dark); }
.sport-grid-item p { font-size: .87rem; color: var(--color-text-muted); margin-bottom: .85rem; }
.sport-guidance { color: var(--color-text-muted); font-size: .84rem; }
.sport-guidance i { color: var(--color-accent); }
/* inner content two images section */
.split-narrative { align-items: center; }
.narrative-copy h2 { margin-bottom: 1rem; }
.narrative-copy .lead-small { line-height: 1.9; margin-bottom: 1rem; }
.conversation-note {
  background: url("/assets/images/backpic/back-3.webp") center/cover no-repeat, #EAF2F5;
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.8rem;
  color: #334A58;
  position: relative;
  overflow: hidden;
}
.conversation-note .quote-icon { color: var(--color-accent); margin-bottom: .6rem; font-size: 1.5rem; }
.conversation-note p { text-indent: 0; margin-bottom: .8rem; }
.narrative-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.narrative-img img { width: 100%; height: 100%; min-height: 320px; }
.light-panel { background: #EAF2F5; border-radius: var(--radius-lg); padding: 2.2rem; border: 1px solid #DCECF3; margin-top: 3rem; }
.info-points { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; }
.small-topic-card { display: flex; gap: .9rem; align-items: flex-start; background: #fff; border-radius: 12px; padding: 1.1rem 1.15rem; border: 1px solid var(--color-border); transition: var(--transition-base); }
.small-topic-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.small-topic-card i { color: var(--color-primary); font-size: 1.1rem; margin-top: .22rem; }
.small-topic-card h3 { font-size: 1rem; margin-bottom: .25rem; }
.small-topic-card p { font-size: .88rem; margin-bottom: 0; }
/* full image band */
.full-band {
  background:
    linear-gradient(90deg, rgba(23,49,63,.92) 0%, rgba(23,49,63,.76) 48%, rgba(23,49,63,.68) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat fixed;
  color: #DEE9EF;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.full-band .band-kicker { color: #f2c6a2; font-size: .9rem; letter-spacing: .25em; margin-bottom: .6rem; }
.full-band h2 { color: #fff; font-size: clamp(1.7rem, 2.6vw, 2.3rem); margin-bottom: 1rem; }
.full-band .band-copy { max-width: 770px; margin-bottom: 2.4rem; font-size: 1rem; color: #CBDCE5; }
.three-note { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.18); }
.good-block { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 1.3rem 1.35rem; }
.good-block .num { color: #f2c6a2; font-weight: 700; font-size: .86rem; letter-spacing: .08em; display: block; margin-bottom: .35rem; }
.good-block h3 { color: #fff; font-size: 1.05rem; margin-bottom: .4rem; }
.good-block p { color: #CBDDE5; font-size: .89rem; margin-bottom: 0; line-height: 1.7; }
/* prep + faq block */
.prep-wrap { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2.2rem; overflow: hidden; }
.prep-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; }
.prep-list { list-style: none; margin: 1.2rem 0 0 0; padding: 0; }
.prep-list li { display: flex; gap: .75rem; margin-bottom: .95rem; align-items: flex-start; font-size: .94rem; color: var(--color-text-body); }
.prep-list li i { color: var(--color-accent); margin-top: .35rem; }
.prep-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); }
.prep-img img { width: 100%; height: 100%; min-height: 260px; }
/* FAQ */
.faq-acc .accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--color-border); border-radius: 0 !important; }
.faq-acc .accordion-button { background: transparent; box-shadow: none; padding: 1.45rem .25rem; font-size: 1.04rem; font-weight: 600; color: var(--color-text-heading); border: 0; }
.faq-acc .accordion-button:not(.collapsed) { color: var(--color-primary-dark); background: transparent; border-bottom: 1px solid var(--color-border); }
.faq-acc .accordion-button::after { color: var(--color-primary); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232f6b84'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E"); }
.faq-acc .accordion-body { padding: .15rem 1.2rem 1.5rem .3rem; color: #526A77; line-height: 1.85; }
.faq-help-box { background: var(--color-primary-light); border-radius: var(--radius-md); padding: 1.1rem 1.2rem; display: flex; gap: .85rem; margin-top: 1.5rem; }
.faq-help-box i { color: var(--color-primary); margin-top: .15rem; }
/* CTA */
.cta-zone .cta-card {
  background: linear-gradient(100deg, #EAF2F5 0%, #DCEAF0 55%, #F3E2D2 130%);
  border: 1px solid #CBE0E8;
  border-radius: 22px;
  padding: clamp(2.4rem, 5vw, 3.8rem);
  position: relative;
  overflow: hidden;
}
.cta-zone .cta-card h2 { color: var(--color-primary-dark); font-size: clamp(1.5rem, 2.7vw, 2.1rem); margin-bottom: .6rem; }
.cta-zone p { max-width: 640px; }
/* page footer spacing end */
.body-end-space { height: 1px; }
/* responsive */
@media (max-width: 991.98px) {
  .site-header .navbar-nav { padding: 0 .5rem 1rem; }
  .navbar .nav-link { margin: .25rem 0 !important; border-bottom: 1px solid #EDF3F6; padding: .8rem 0 !important; width: 100%; }
  .navbar .nav-link.active { border-bottom-color: var(--color-primary); }
  .service-topline { grid-template-columns: 1fr; gap: 1.2rem; }
  .sport-grid { grid-template-columns: repeat(2,1fr); gap: 1rem; padding-top: 1.4rem; }
  .three-note { grid-template-columns: 1fr; gap: .8rem; }
  .prep-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 30px 22px; }
  .full-band { background-attachment: scroll; }
  .cat-hero-inner { padding: 3.4rem 0 3.2rem; }
  .hero-visual-frame { margin-top: 1.5rem; }
}
@media (max-width: 767.98px) {
  .section-block { padding: 3rem 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: .7rem; }
  .cat-hero h1 { letter-spacing: 0; }
  .info-points { grid-template-columns: 1fr; }
  .service-intro-wrap { padding: 1.4rem 1.1rem; }
  .sport-grid { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { justify-content: center; text-align: center; }
  .hero-actions .btn-site { width: 100%; }
  .cat-hero .lead { font-size: 1rem; }
  .narrative-copy h2 { font-size: 1.4rem; }
  .conversation-note { padding: 1.3rem; }
}

/* roulang page: article */
:root{
  --color-primary:#2F6B84;
  --color-primary-dark:#1A4C63;
  --color-primary-light:#EAF2F5;
  --color-accent:#D97E4A;
  --color-accent-dark:#C26933;
  --color-bg-base:#F6FAFC;
  --color-bg-card:#FFFFFF;
  --color-bg-footer:#17313F;
  --color-border:#DCE8EE;
  --color-text-heading:#1E2E38;
  --color-text-body:#4F6370;
  --color-text-muted:#7B8D99;
  --radius-sm:8px;
  --radius:10px;
  --radius-lg:16px;
  --radius-xl:20px;
  --shadow-card:0 8px 30px rgba(26,76,99,.08);
  --shadow-card-hover:0 18px 40px rgba(26,76,99,.13);
  --shadow-btn:0 6px 16px rgba(47,107,132,.18);
  --spacer-section:clamp(4rem, 8vw, 6.8rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--color-bg-base);
  color:var(--color-text-body);
  line-height:1.7;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:all .2s ease}
a:hover{color:var(--color-accent-dark)}
p{color:var(--color-text-body)}
h1,h2,h3,h4,h5,h6{
  color:var(--color-text-heading);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
  margin:0 0 .6em;
}
.container{max-width:1220px}
a:focus-visible,.site-btn-primary:focus-visible,.site-btn-warm:focus-visible{
  outline:3px solid rgba(217,126,74,.55);
  outline-offset:3px;
  border-radius:4px;
}

.site-btn-primary,
.site-btn-warm,
.site-btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-sm);
  font-size:.98rem;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  border:0;
  transition:all .25s ease;
  white-space:nowrap;
  cursor:pointer;
}
.site-btn-primary{
  background:var(--color-accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(217,126,74,.22);
}
.site-btn-primary:hover{
  color:#fff;
  background:var(--color-accent-dark);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(193,105,51,.28);
}
.site-btn-warm{
  background:#fff;
  color:var(--color-primary-dark);
  box-shadow:0 8px 20px rgba(7,23,32,.15);
}
.site-btn-warm:hover{
  color:var(--color-primary-dark);
  background:#F2F6F8;
  transform:translateY(-2px);
}
.site-btn-outline{
  background:transparent;
  color:var(--color-primary-dark);
  border:1px solid rgba(47,107,132,.45);
}
.site-btn-outline:hover{
  border-color:var(--color-primary);
  background:var(--color-primary-light);
  color:var(--color-primary-dark);
  transform:translateY(-2px);
}
.site-btn-primary.btn-sm,
.site-btn-outline.btn-sm{
  height:40px;
  padding:0 18px;
  font-size:.9rem;
}

.site-header{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--color-border);
  position:sticky;
  top:0;
  z-index:1000;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header .navbar{
  min-height:76px;
  padding-top:.45rem;
  padding-bottom:.45rem;
}
.site-header .navbar-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:0;
  font-size:1.22rem;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--color-text-heading);
}
.site-header .navbar-brand:hover{color:var(--color-primary)}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:11px;
  background:linear-gradient(150deg,var(--color-primary),var(--color-primary-dark));
  color:#fff;
  font-size:1rem;
  box-shadow:0 6px 14px rgba(47,107,132,.25);
  flex-shrink:0;
}
.site-header .navbar-nav{gap:6px}
.site-header .nav-link{
  position:relative;
  padding:.65rem .9rem !important;
  color:var(--color-text-body);
  font-size:.98rem;
  font-weight:500;
  border-radius:6px;
  transition:color .2s ease,background .2s ease;
}
.site-header .nav-link:hover{
  color:var(--color-primary-dark);
  background:rgba(234,242,245,.6);
}
.site-header .nav-link.active{
  color:var(--color-primary);
  font-weight:600;
}
.site-header .nav-link.active::after{
  content:"";
  position:absolute;
  left:.85rem;
  right:.85rem;
  bottom:.3rem;
  height:2px;
  border-radius:2px;
  background:var(--color-accent);
}
.site-header .navbar-toggler{
  border:0;
  width:46px;
  height:46px;
  padding:12px;
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  background:transparent !important;
  box-shadow:none !important;
}
.site-header .navbar-toggler span{
  height:2px;
  width:100%;
  background:var(--color-text-heading);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.site-header .navbar-toggler[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header .navbar-toggler[aria-expanded="true"] span:nth-child(2){opacity:0}
.site-header .navbar-toggler[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.article-hero{
  position:relative;
  color:#fff;
  overflow:hidden;
  background:
    linear-gradient(115deg,rgba(16,48,66,.94) 0%,rgba(38,83,106,.86) 58%,rgba(60,111,133,.68) 100%),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding:58px 0 62px;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-180px;
  width:430px;
  height:430px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:50%;
  pointer-events:none;
}
.article-hero::before{
  content:"";
  position:absolute;
  right:-20px;
  bottom:-80px;
  width:260px;
  height:260px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:50%;
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.article-crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  margin-bottom:28px;
  font-size:.85rem;
  color:rgba(255,255,255,.75);
}
.article-crumbs a{color:rgba(255,255,255,.85)}
.article-crumbs a:hover{color:#fff}
.article-crumbs span{color:rgba(255,255,255,.55)}
.crumb-sep{opacity:.5;margin:0 3px}
.article-hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  font-weight:500;
  letter-spacing:.04em;
  padding:7px 14px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:100px;
  color:#fff;
  margin-bottom:20px;
  backdrop-filter:blur(6px);
}
.article-hero-kicker i{color:#F2BC8B}
.article-hero h1{
  color:#fff;
  font-size:clamp(1.75rem,3.6vw,2.85rem);
  font-weight:700;
  line-height:1.35;
  max-width:920px;
  margin-bottom:22px;
  text-wrap:balance;
}
.article-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  font-size:.92rem;
  color:rgba(255,255,255,.8);
}
.article-hero-meta i{margin-right:7px;color:#F5CBA1}
.article-data-line{
  display:flex;
  align-items:center;
  gap:8px;
}

.article-content-area{
  padding:clamp(2.5rem,6vw,4.5rem) 0 2rem;
  background:var(--color-bg-base);
}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 348px;
  gap:34px;
  align-items:start;
}
.article-main-card{
  background:#fff;
  border:1px solid rgba(220,232,238,.7);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.article-main-top{
  height:7px;
  background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
}
.article-body{
  padding:clamp(1.6rem,4vw,2.9rem);
}
.article-body > *:last-child{margin-bottom:0}
.article-body h2{
  font-size:1.55rem;
  margin:2em 0 .8em;
  padding-bottom:.2em;
  border-bottom:1px solid var(--color-border);
}
.article-body h3{
  font-size:1.22rem;
  margin:1.8em 0 .7em;
}
.article-body h4{font-size:1.05rem;margin:1.6em 0 .5em}
.article-body p{
  margin-bottom:1.35em;
  line-height:1.95;
  color:#42555f;
}
.article-body strong{color:var(--color-text-heading);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.5em}
.article-body li{margin-bottom:.6em;line-height:1.9}
.article-body img{
  border-radius:14px;
  margin:1.8em auto;
  box-shadow:0 16px 38px rgba(26,76,99,.12);
}
.article-body blockquote{
  position:relative;
  background:var(--color-primary-light);
  border:0;
  border-left:4px solid var(--color-primary);
  border-radius:0 12px 12px 0;
  padding:1.2rem 1.6rem;
  margin:1.8em 0;
  color:#31596a;
}
.article-body blockquote p{margin:0;font-size:1rem}
.article-body table{
  width:100%;
  border-collapse:collapse;
  background:#fff;
  border-radius:10px;
  overflow:hidden;
  margin:1.8em 0;
  font-size:.95rem;
}
.article-body table th{
  background:var(--color-primary-light);
  color:var(--color-text-heading);
  font-weight:600;
  padding:12px 14px;
  border:1px solid var(--color-border);
}
.article-body table td{
  padding:11px 14px;
  border:1px solid var(--color-border);
}
.article-body a{color:var(--color-primary);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--color-accent-dark)}

.article-end-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:linear-gradient(135deg,var(--color-primary-light),#F7FAFB);
  border-top:1px solid var(--color-border);
  padding:22px clamp(1.4rem,4vw,2.8rem);
}
.article-end-cta h3{
  font-size:1.15rem;
  margin:0 0 5px;
}
.article-end-cta p{margin:0;font-size:.92rem;color:var(--color-text-muted)}

.article-empty-state{
  padding:clamp(3rem,7vw,6rem) clamp(1.6rem,5vw,3.5rem);
  text-align:center;
}
.empty-icon{
  width:86px;
  height:86px;
  margin:0 auto 26px;
  border-radius:28px;
  background:var(--color-primary-light);
  color:var(--color-primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2.1rem;
}
.article-empty-state h2{font-size:1.8rem;margin-bottom:14px}
.article-empty-state p{
  max-width:520px;
  margin:0 auto 30px;
  color:var(--color-text-muted);
}

.article-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:100px}
.side-widget{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:22px 20px;
  box-shadow:0 6px 22px rgba(26,76,99,.05);
}
.side-widget-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1rem;
  font-weight:700;
  margin-bottom:16px;
  color:var(--color-text-heading);
  letter-spacing:.02em;
}
.side-widget-title i{
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--color-primary-light);
  color:var(--color-primary);
  border-radius:8px;
  font-size:.85rem;
}
.side-nav-list{list-style:none;margin:0;padding:0}
.side-nav-list li{border-bottom:1px solid #EEF4F7}
.side-nav-list li:last-child{border-bottom:0}
.side-nav-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 4px;
  font-size:.95rem;
  color:var(--color-text-body);
}
.side-nav-list a:hover{
  color:var(--color-primary-dark);
  padding-left:8px;
}
.side-nav-list a i{color:var(--color-text-muted);font-size:.8rem;transition:transform .2s}
.side-nav-list a:hover i{color:var(--color-accent);transform:translateX(4px)}
.sidebar-cta-card{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(155deg,rgba(26,76,99,.97) 0%,rgba(47,107,132,.92) 60%,rgba(55,124,146,.88) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-radius:var(--radius-lg);
  padding:28px 24px 26px;
  color:#fff;
  box-shadow:0 18px 36px rgba(26,76,99,.18);
}
.sidebar-cta-card::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:150px;
  height:150px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:50%;
}
.sidebar-cta-card .brand-mark{margin-bottom:4px}
.sidebar-cta-card h3{
  color:#fff;
  font-size:1.18rem;
  margin:14px 0 8px;
}
.sidebar-cta-card p{
  color:rgba(255,255,255,.8);
  font-size:.9rem;
  line-height:1.8;
  margin-bottom:20px;
}
.sidebar-cta-card .site-btn-warm{width:100%}

.channel-section{
  padding:clamp(3.4rem,6vw,5.6rem) 0 clamp(3rem,5vw,4.5rem);
  background:#fff;
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(1.65rem,2.8vw,2.15rem);
  margin-bottom:8px;
}
.section-head p{margin:0;color:var(--color-text-muted);max-width:680px}
.channel-card{
  position:relative;
  height:100%;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
  box-shadow:0 6px 20px rgba(26,76,99,.06);
}
.channel-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-card-hover);
}
.channel-card::before{
  content:"";
  display:block;
  height:4px;
  background:linear-gradient(90deg,var(--color-primary),var(--color-accent));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s ease;
}
.channel-card:hover::before{transform:scaleX(1)}
.channel-card-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EAF2F5;
}
.channel-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.channel-card:hover .channel-card-media img{transform:scale(1.05)}
.channel-card-body{padding:24px 22px 26px}
.channel-card-body h3{font-size:1.12rem;margin-bottom:10px}
.channel-card-body p{font-size:.92rem;color:var(--color-text-muted);margin-bottom:20px;line-height:1.8}
.channel-card-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:600;
  font-size:.95rem;
  color:var(--color-primary);
}
.channel-card-link:hover{color:var(--color-accent-dark)}
.channel-card-link i{transition:transform .2s ease}
.channel-card-link:hover i{transform:translateX(5px)}

.site-footer{
  background:var(--color-bg-footer);
  color:rgba(255,255,255,.72);
  padding-top:64px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1.3fr;
  gap:34px;
  padding-bottom:50px;
}
.footer-brand-title{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-size:1.2rem;
  font-weight:700;
  margin-bottom:6px;
  margin-top:0;
}
.footer-logo-icon{
  width:38px;
  height:38px;
  border-radius:11px;
  background:var(--color-accent);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:.95rem;
}
.footer-top h5,.footer-brand-title{
  color:#fff;
  font-weight:650;
  font-size:1.02rem;
  margin-bottom:18px;
}
.footer-top p{color:rgba(255,255,255,.55);font-size:.93rem;line-height:1.85}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-links li{margin-bottom:11px}
.footer-links a{
  color:rgba(255,255,255,.66);
  font-size:.93rem;
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--color-accent)}
.footer-links span{
  color:rgba(255,255,255,.45);
  font-size:.93rem;
}
.footer-contact-list{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-contact-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.9rem;
  margin-bottom:13px;
  color:rgba(255,255,255,.62);
  line-height:1.6;
  word-break:break-all;
}
.footer-contact-list i{
  color:var(--color-accent);
  margin-top:5px;
  min-width:15px;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:26px 0;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px 26px;
  font-size:.86rem;
  color:rgba(255,255,255,.42);
}

@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:26px}
}
@media (max-width:991.98px){
  .article-grid{grid-template-columns:1fr}
  .article-sidebar{
    position:static;
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:stretch;
  }
  .article-sidebar .sidebar-cta-card{height:100%}
  .site-header .site-btn-primary{
    width:100%;
    justify-content:center;
    margin:14px 0 8px;
  }
  .site-header .navbar-nav .nav-link{
    font-size:1.12rem;
    padding:13px 8px !important;
    border-bottom:1px solid #edf3f6;
  }
  .site-header .nav-link.active::after{display:none}
  .site-header .navbar-collapse{
    padding:14px 0;
  }
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:767.98px){
  .article-hero{padding:42px 0 50px}
  .article-hero h1{font-size:clamp(1.42rem,5.5vw,1.9rem)}
  .article-content-area{padding-top:24px}
  .article-body{padding:1.25rem 1.2rem}
  .article-end-cta{flex-direction:column;align-items:flex-start}
  .article-end-cta .site-btn-primary,.article-end-cta .site-btn-warm{width:100%}
  .footer-top{grid-template-columns:1fr;gap:34px}
  .article-sidebar{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .article-hero-meta{gap:8px 20px}
  .article-main-card{border-radius:16px}
  .article-body{font-size:.95rem}
  .channel-section{
    padding-top:3rem;
    padding-bottom:2.6rem;
  }
  .footer-bottom{
    flex-direction:column;
    gap:10px;
    text-align:center;
    line-height:1.7;
  }
  .footer-top{padding-bottom:30px}
  .site-footer{padding-top:46px}
}

/* roulang page: category2 */
:root {
  --color-primary: #2F6B84;
  --color-primary-dark: #1A4C63;
  --color-primary-light: #EAF2F5;
  --color-accent: #D97E4A;
  --color-accent-dark: #C26933;
  --color-bg-base: #F6FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-footer: #17313F;
  --color-border: #DCE8EE;
  --color-text-heading: #1E2E38;
  --color-text-body: #4F6370;
  --color-text-muted: #7B8D99;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 24px rgba(31, 61, 79, 0.06);
  --section-space: clamp(3.5rem, 7vw, 5.5rem);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--color-bg-base);
  color: var(--color-text-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--color-accent-dark);
}
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 650;
  line-height: 1.4;
  margin: 0 0 .5rem;
}
.container {
  max-width: 1200px;
}
.section {
  padding: var(--section-space) 0;
}
.section-light {
  background: var(--color-bg-base);
}
.bg-white-soft {
  background: #fff;
}

/* 按钮 */
.site-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  height: 48px;
  padding: 0 26px;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: .97rem;
  font-weight: 500;
  line-height: 1;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .2s ease;
}
.site-btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 8px 18px rgba(26, 76, 99, .20);
  transform: translateY(-2px);
}
.site-btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  height: 48px;
  padding: 0 24px;
  background: transparent;
  border: 1px solid #B8CDD7;
  border-radius: var(--radius-sm);
  color: var(--color-text-heading);
  font-size: .97rem;
  font-weight: 500;
  transition: all .25s ease;
}
.site-btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(47, 107, 132, .04);
}
.site-btn-sm {
  height: 40px;
  padding: 0 20px;
  font-size: .9rem;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(217, 126, 74, .45);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 导航 */
.site-header {
  position: relative;
  z-index: 1030;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--color-border);
}
.site-header .navbar {
  min-height: 72px;
  padding-top: .55rem;
  padding-bottom: .55rem;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-heading);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: .01em;
  padding: 0;
}
.navbar-brand:hover {
  color: var(--color-text-heading);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 1rem;
}
.site-header .navbar-nav .nav-link {
  font-size: .95rem;
  font-weight: 500;
  color: var(--color-text-body);
  margin: 0 1rem;
  padding: .3rem 0;
  position: relative;
}
.site-header .navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: 4px;
  transition: width .25s ease;
}
.site-header .navbar-nav .nav-link:hover,
.site-header .navbar-nav .nav-link.active {
  color: var(--color-primary);
}
.site-header .navbar-nav .nav-link:hover::after,
.site-header .navbar-nav .nav-link.active::after {
  width: 100%;
}
.navbar-toggler {
  border: none;
  box-shadow: none !important;
  padding: 6px 10px;
}
.navbar-toggler span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--color-text-heading);
  border-radius: 4px;
  transition: transform .25s ease;
}
.navbar-toggler[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar-toggler[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.navbar-toggler[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 页面首屏 */
.page-hero {
  position: relative;
  padding: clamp(3rem, 7vw, 5.5rem) 0 4rem;
  background: linear-gradient(140deg, rgba(255,255,255,.95), rgba(234,242,245,.88)), url('/assets/images/backpic/back-1.webp') center 20% / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb-line {
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}
.breadcrumb-line ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin: 0;
  padding: 0;
  font-size: .875rem;
  color: var(--color-text-muted);
}
.breadcrumb-line li + li::before {
  content: "·";
  margin-right: .5rem;
  color: #B6C7D0;
}
.breadcrumb-line a {
  color: var(--color-text-muted);
}
.breadcrumb-line a:hover {
  color: var(--color-primary);
}
.hero-overline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-accent-dark);
  letter-spacing: .04em;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.25;
  max-width: 820px;
  margin-bottom: 16px;
}
.hero-lead {
  max-width: 680px;
  font-size: 1.04rem;
  color: var(--color-text-body);
  margin-bottom: 0;
}

/* 登录前准备 */
.prep-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.prep-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px rgba(31, 61, 79, .08);
  border-color: var(--color-primary);
}
.prep-card-main {
  background: linear-gradient(145deg, var(--color-primary-dark), var(--color-primary));
  border: none;
  color: rgba(255,255,255,.92);
}
.prep-card-main h3 {
  color: #fff;
}
.prep-card-main p {
  color: rgba(255,255,255,.85);
}
.prep-card .prep-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(47,107,132,.10);
  color: var(--color-primary);
  border-radius: 10px;
  font-weight: 700;
  font-size: .9rem;
  margin-bottom: 18px;
  font-family: "Inter", Helvetica, Arial, sans-serif;
}
.prep-card-main .prep-index {
  background: rgba(255,255,255,.16);
  color: #fff;
}
.prep-card h3 {
  font-size: 1.12rem;
  margin-bottom: 14px;
}
.prep-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.prep-card li {
  position: relative;
  display: flex;
  gap: 10px;
  padding-left: 4px;
  margin-top: 12px;
  line-height: 1.7;
}
.prep-card li i {
  color: var(--color-primary);
  margin-top: 5px;
  font-size: .82rem;
}
.prep-card-main li i {
  color: #F3C08A;
}

/* 时间线流程 */
.timeline-section {
  background: #EDF5F8;
}
.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.section-head.text-center {
  margin-left: auto;
  margin-right: auto;
}
.section-tag {
  display: inline-block;
  color: var(--color-accent-dark);
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.7rem, 2.6vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
}
.section-lead {
  color: var(--color-text-muted);
  max-width: 660px;
}
.login-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 56px;
}
.login-timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), #BBD3DC 50%, var(--color-accent));
  border-radius: 4px;
}
.timeline-item {
  position: relative;
  margin-bottom: 30px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.tl-num {
  position: absolute;
  left: -56px;
  top: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  color: var(--color-primary);
  font-weight: 700;
  font-size: .9rem;
  font-family: "Inter", Helvetica, Arial, sans-serif;
}
.tl-box {
  background: #fff;
  border: 1px solid #E4EDF1;
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.tl-box:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
}
.tl-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.tl-tag i {
  font-size: .72rem;
}
.tl-box h3 {
  font-size: 1.1rem;
  font-weight: 650;
  margin-bottom: 8px;
}
.tl-box p {
  margin-bottom: 0;
  color: var(--color-text-body);
}

/* 登录后内容 */
.split-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.split-panel .split-text {
  padding: clamp(1.8rem, 4vw, 3.2rem);
}
.split-media {
  margin: 0;
  height: 100%;
  background: var(--color-primary-light);
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}
.check-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}
.check-list li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  line-height: 1.7;
  color: var(--color-text-body);
  border-bottom: 1px dashed #E3EDF2;
}
.check-list li:last-child {
  border-bottom: 0;
}
.check-list li i {
  color: var(--color-accent);
  margin-top: 6px;
  font-size: .9rem;
}
.check-list strong {
  color: var(--color-text-heading);
  font-weight: 600;
}

/* 异常处理 */
.trouble-title {
  margin-bottom: 20px;
}
.trouble-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px 18px;
  height: 100%;
  transition: border-color .25s ease;
}
.trouble-item:hover {
  border-color: var(--color-primary);
}
.trouble-item .trouble-icon {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.trouble-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}
.trouble-item p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.7;
}
.safety-panel {
  background: var(--color-bg-footer);
  color: rgba(255,255,255,.82);
  border-radius: 18px;
  padding: 30px 28px;
  height: 100%;
}
.safety-panel h3 {
  color: #fff;
  font-size: 1.15rem;
}
.safety-panel ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.safety-panel li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
}
.safety-panel li i {
  color: #F3C08A;
  margin-top: 5px;
  font-size: .9rem;
}
.safety-panel .safety-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  color: #fff;
  border-radius: 100px;
  padding: 6px 14px;
  font-size: .8rem;
  margin-bottom: 18px;
}

/* FAQ */
.faq-article {
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.faq-accordion .accordion-item {
  background: #fff;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0 !important;
}
.faq-accordion .accordion-item:first-child {
  border-top: 1px solid var(--color-border);
}
.faq-accordion .accordion-header {
  background: #fff;
}
.faq-accordion .accordion-button {
  background: #fff;
  color: var(--color-text-heading);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.2rem .75rem;
  box-shadow: none;
  border: 0;
}
.faq-accordion .accordion-button:hover {
  color: var(--color-primary);
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--color-primary);
  background: #fff;
  box-shadow: none;
}
.faq-accordion .accordion-button::after {
  content: none;
}
.faq-accordion .faq-icon {
  margin-left: 12px;
  color: var(--color-accent);
  font-size: .9rem;
  transition: transform .3s ease, color .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}
.faq-accordion .accordion-body {
  padding: .1rem 1rem 1.4rem;
  color: var(--color-text-body);
}

/* 底部 CTA */
.bottom-cta {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: 22px;
  padding: clamp(2rem, 5vw, 3.5rem);
  color: rgba(255,255,255,.9);
}
.bottom-cta h2 {
  color: #fff;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  margin-bottom: 12px;
}
.bottom-cta p {
  color: rgba(255,255,255,.8);
  margin-bottom: 0;
}
.bottom-cta site-btn etc.

/* 页脚 */
.site-footer {
  background: var(--color-bg-footer);
  color: rgba(255,255,255,.75);
  padding: 60px 0 34px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 2.4rem;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 28px;
}
.footer-brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 1.18rem;
  font-weight: 700;
}
.footer-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .95rem;
}
.footer-title {
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 15px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 9px;
  line-height: 1.7;
}
.footer-links a,
.footer-links span {
  color: rgba(255,255,255,.68);
  font-size: .9rem;
  cursor: default;
}
.footer-links a {
  cursor: pointer;
}
.footer-links a:hover {
  color: #F3C08A;
}
.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.68);
  font-size: .9rem;
  margin-bottom: 10px;
}
.footer-contact-list i {
  color: #F3C08A;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  color: rgba(255,255,255,.45);
  font-size: .83rem;
}

/* 响应式 */
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: #fff;
    border-top: 1px solid var(--color-border);
    margin-top: .6rem;
    padding: .8rem .5rem 1rem;
  }
  .site-header .nav-link {
    margin: .4rem 0 !important;
    font-size: 1.05rem !important;
  }
  .site-header .nav-link::after {
    display: none;
  }
  .prepare-left {
    margin-bottom: 0;
  }
  .split-media img {
    min-height: 220px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767.98px) {
  .login-timeline {
    padding-left: 46px;
  }
  .tl-num {
    left: -46px;
    width: 34px;
    height: 34px;
    font-size: .8rem;
  }
  .login-timeline::before {
    left: 16px;
  }
  .tl-box {
    padding: 22px 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .page-hero {
    padding-top: 2.6rem;
  }
}
@media (max-width: 520px) {
  .section {
    padding: 3rem 0;
  }
  .prep-card {
    padding: 24px 20px;
  }
  .hero-actions .site-btn-primary,
  .hero-actions .site-btn-outline {
    width: 100%;
    margin-bottom: 10px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category3 */
:root {
  --color-primary: #2F6B84;
  --color-primary-dark: #1A4C63;
  --color-primary-light: #EAF2F5;
  --color-accent: #D97E4A;
  --color-accent-dark: #C26933;
  --color-bg-base: #F6FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-footer: #17313F;
  --color-border: #DCE8EE;
  --color-text-heading: #1E2E38;
  --color-text-body: #4F6370;
  --color-text-muted: #7B8D99;
  --shadow-xs: 0 2px 8px rgba(24, 56, 78, 0.04);
  --shadow-sm: 0 5px 18px rgba(24, 56, 78, 0.06);
  --shadow-md: 0 14px 30px -10px rgba(18, 58, 80, 0.12);
  --shadow-lg: 0 24px 50px -14px rgba(18, 58, 80, 0.16);
  --radius-sm: 0.625rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --section-space: clamp(4rem, 8vw, 6.5rem);
  --font-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg-base);
  color: var(--color-text-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--color-primary);
}
.container {
  max-width: 1240px;
}
.site-btn-primary,
.site-btn-outline,
.site-btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  padding: .55rem 1.4rem;
  border-radius: .55rem;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.site-btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.site-btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(201, 91, 52, 0.35);
}
.site-btn-outline {
  background: rgba(255,255,255,0.8);
  border-color: #C4D6E0;
  color: var(--color-text-heading);
}
.site-btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -10px rgba(18, 58, 80, 0.18);
}
.site-btn-sm {
  min-height: 42px;
  padding: .38rem 1.1rem;
  font-size: .94rem;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.navbar {
  min-height: 74px;
  padding-top: .6rem;
  padding-bottom: .6rem;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: .62rem;
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -.01em;
}
.navbar-brand:hover {
  color: var(--color-primary-dark);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 1rem;
  flex: 0 0 auto;
}
.navbar-nav {
  column-gap: .35rem;
}
.nav-item .nav-link {
  position: relative;
  display: inline-block;
  font-weight: 600;
  font-size: .98rem;
  color: var(--color-text-heading);
  padding: .5rem .22rem !important;
  margin: 0 .82rem;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-item .nav-link:hover {
  color: var(--color-primary);
}
.nav-item .nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.nav-item .nav-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -4px;
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
}
.navbar-toggler {
  width: 44px;
  height: 44px;
  border: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  box-shadow: none !important;
  background: transparent;
}
.navbar-toggler span {
  display: block;
  width: 21px;
  height: 2px;
  background: var(--color-text-heading);
  border-radius: 2px;
  transition: transform .2s;
}
.subpage-hero {
  position: relative;
  padding: clamp(56px, 8vw, 88px) 0 58px;
  background: linear-gradient(100deg, rgba(246, 250, 252, .95), rgba(236, 247, 250, .86)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-bottom: .8rem;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--color-primary-dark);
  background: rgba(255,255,255,.7);
  padding: .28rem .8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}
.hero-eyebrow i {
  color: var(--color-accent);
}
.hero-title {
  font-size: clamp(2.35rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.03em;
  color: var(--color-text-heading);
  margin: .4rem 0 .62rem;
}
.hero-lead {
  max-width: 680px;
  font-size: 1.08rem;
  color: var(--color-text-body);
  margin-bottom: 1.4rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .72rem;
  margin-top: 1.6rem;
}
.sub-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  list-style: none;
  margin: 1.4rem 0 0;
  padding: .55rem 0;
  border-top: 1px solid rgba(180, 205, 216, .4);
}
.sub-breadcrumb li {
  font-size: .9rem;
  color: var(--color-text-muted);
}
.sub-breadcrumb li + li::before {
  content: "·";
  margin-right: .6rem;
  color: #B7CBD6;
}
.sub-breadcrumb a {
  color: var(--color-text-body);
}
.sub-breadcrumb a:hover {
  color: var(--color-primary-dark);
}
.page-section {
  padding-block: var(--section-space);
}
.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -.02em;
  line-height: 1.3;
}
.section-desc {
  max-width: 720px;
  color: var(--color-text-body);
  margin-top: .8rem;
}
.anchor-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.6rem;
}
.anchor-pill {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-heading);
  font-weight: 600;
  padding: .48rem 1rem;
  border-radius: 999px;
  font-size: .92rem;
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.anchor-pill i {
  color: var(--color-primary);
  font-size: .78rem;
}
.anchor-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-xs);
}
.content-layout-wrap {
  background: var(--color-bg-base);
  padding-bottom: var(--section-space);
}
.toc-card {
  position: sticky;
  top: 104px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.2rem;
}
.toc-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-heading);
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .3rem;
}
.toc-title span {
  color: var(--color-primary);
}
.toc-card p {
  font-size: .85rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list li {
  border-bottom: 1px solid #EEF3F7;
}
.toc-list li:last-child {
  border-bottom: 0;
}
.toc-list a {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem .2rem;
  color: var(--color-text-body);
  font-size: .96rem;
  font-weight: 500;
}
.toc-list a i {
  color: var(--color-primary);
  font-size: .72rem;
}
.toc-list a:hover {
  color: var(--color-primary-dark);
  padding-left: .45rem;
}
.topic-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: clamp(1.5rem, 3vw, 2.4rem);
  margin-bottom: 2.2rem;
  position: relative;
}
.topic-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 999px 0 0 999px;
  background: var(--color-primary);
  opacity: 0.5;
}
.topic-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.topic-panel h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  color: var(--color-text-heading);
  margin: .45rem 0 .75rem;
  letter-spacing: -.02em;
}
.topic-panel h2 i {
  color: var(--color-primary);
  font-size: .85em;
  margin-right: .4rem;
}
.topic-panel p {
  color: var(--color-text-body);
}
.topic-panel .topic-point {
  font-weight: 600;
  color: var(--color-text-heading);
}
.topic-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: .65rem;
}
.topic-list li {
  display: flex;
  gap: .55rem;
  font-size: .98rem;
}
.topic-list li i {
  color: var(--color-primary);
  margin-top: .35rem;
  font-size: .85rem;
}
.content-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-primary-light);
}
.content-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.content-figure figcaption {
  padding: .7rem 1rem .85rem;
  font-size: .85rem;
  color: var(--color-text-muted);
  background: #F2F8FA;
  border-top: 1px solid var(--color-border);
}
.reading-note {
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: .6rem;
  padding: 1rem 1.2rem;
  margin-top: 1.4rem;
  color: #315067;
  font-size: .94rem;
}
.reading-note strong {
  color: var(--color-primary-dark);
}
.info-split-card {
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.4rem, 3vw, 2.3rem);
  height: 100%;
  transition: box-shadow .25s;
}
.info-split-card:hover {
  box-shadow: var(--shadow-md);
}
.info-split-card h2 {
  font-size: clamp(1.35rem, 1.9vw, 1.7rem);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: .8rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.info-split-card h2 i {
  color: var(--color-primary);
}
.mini-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}
.mini-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: .5rem;
}
.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.faq-wrap .accordion-item {
  border: 1px solid var(--color-border);
  border-radius: .9rem !important;
  background: #fff;
  margin-bottom: .9rem;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.faq-wrap .accordion-header {
  background: #fff;
}
.faq-wrap .accordion-button {
  border: 0;
  background: #fff;
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.55;
  padding: 1.08rem 1.4rem;
  box-shadow: none !important;
  border-radius: .9rem !important;
}
.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--color-primary-dark);
  background: #F4FAFC;
}
.faq-wrap .accordion-button:focus-visible {
  outline: 2px solid rgba(47, 107, 132, .35);
  outline-offset: 1px;
}
.faq-wrap .accordion-button::after {
  background-size: 1.05rem;
  opacity: .6;
  transition: transform .2s ease, opacity .2s;
}
.faq-wrap .accordion-body {
  padding: .2rem 1.4rem 1.4rem;
  color: var(--color-text-body);
}
.site-cta-panel {
  background: var(--color-bg-footer);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.8rem);
  color: #D9E5EB;
}
.site-cta-panel h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: .65rem;
}
.site-cta-panel p {
  max-width: 680px;
  color: #B8C9D3;
}
.site-cta-panel .btn-group-flex {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.6rem;
}
.site-footer {
  background: var(--color-bg-footer);
  margin-top: 0;
  color: #b7c7d1;
}
.site-footer .footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2rem;
  padding: 3.8rem 0 2.6rem;
  border-bottom: 1px solid rgba(255,255,255,.09);
}
.footer-brand-title {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .56rem;
  margin-bottom: .4rem;
}
.footer-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,.14);
  border-radius: 50%;
  font-size: .9rem;
  color: #fff;
}
.footer-title {
  color: #fff;
  font-size: .98rem;
  font-weight: 600;
  margin: .2rem 0 1rem;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: .55rem;
  font-size: .92rem;
}
.footer-links a {
  color: #b7c7d1;
  transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 3px;
}
.footer-links li span {
  color: #9cb0bc;
}
.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .92rem;
}
.footer-contact-list li {
  display: flex;
  gap: .55rem;
  align-items: flex-start;
  margin-bottom: .65rem;
}
.footer-contact-list i {
  color: #7fd4e6;
  margin-top: .32rem;
  font-size: .86rem;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2.2rem;
  justify-content: space-between;
  padding: 1.2rem 0;
  font-size: .88rem;
  color: #90a7b3;
}
.footer-bottom span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
@media (max-width: 1199.98px) {
  .footer-top {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}
@media (max-width: 991.98px) {
  .navbar-nav {
    padding: .8rem 0 .5rem;
  }
  .navbar-collapse {
    margin-top: .6rem;
    border-top: 1px solid var(--color-border);
    background: #fff;
  }
  .nav-item .nav-link {
    width: fit-content;
    padding: 1rem .2rem !important;
    margin: 0;
    border-bottom: 0;
  }
  .nav-item .nav-link.active {
    border-bottom: 0;
  }
  .nav-item .nav-link.active::after {
    display: none;
  }
  .navbar-nav .nav-item + .nav-item {
    border-top: 1px solid #EEF3F6;
  }
  .d-none.d-lg-inline-flex {
    margin: 1rem 0 .8rem;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    padding-top: 2.8rem;
  }
  .content-layout-wrap .toc-card {
    position: relative;
    top: 0;
  }
  .site-cta-panel {
    padding: 2rem 1.5rem;
  }
}
@media (max-width: 767.98px) {
  .subpage-hero {
    padding-top: 46px;
    padding-bottom: 40px;
  }
  .hero-lead {
    font-size: 1rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .site-btn-primary,
  .hero-actions .site-btn-outline {
    width: 100%;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    padding: 2.2rem 0 1.2rem;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: flex-start;
    gap: .4rem;
  }
  .topic-panel {
    padding: 1.3rem;
  }
}
@media (max-width: 575.98px) {
  .hero-title {
    font-size: 1.75rem;
  }
  .anchor-pill {
    width: 100%;
    justify-content: flex-start;
  }
  .content-layout-wrap {
    padding-bottom: 2.8rem;
  }
}