/* roulang page: index */
:root {
  --bg: #F7F9FC;
  --bg-deep: #EDF3FA;
  --primary: #1267B2;
  --primary-dark: #0A4E93;
  --primary-light: #E7F0FA;
  --line: #D7E5F3;
  --text: #1F3A56;
  --muted: #5B6F84;
  --placeholder: #9AAEC0;
  --nav-bg: #0A1B2A;
  --nav-text: #B8CFE3;
  --nav-highlight: #FFFFFF;
  --cyan: #0FD9D2;
  --amber: #FFB52E;
  --radius: 14px;
  --shadow-sm: 0 10px 28px -16px rgba(13, 71, 124, .18);
  --shadow-md: 0 18px 40px -18px rgba(13, 71, 124, .25);
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Bahnschrift", "PingFang SC", sans-serif;
  --section-space: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  line-height: 1.35;
  font-weight: 600;
}

p {
  margin: 0 0 1rem 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

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

ul, ol {
  padding-left: 1.25rem;
}

.container {
  max-width: 1200px;
}

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

.section-head {
  max-width: 760px;
  margin: 0 auto 44px;
}

.section-head.text-center {
  text-align: center;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: .35rem .9rem;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
}

.section-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.section-title {
  font-size: clamp(24px, 3.4vw, 38px);
  margin: 18px 0 12px;
  letter-spacing: -.01em;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 0;
}

.btn {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  font-weight: 600;
  border-radius: 999px;
  padding: .72rem 1.45rem;
  line-height: 1.5;
  transition: all .25s ease;
  outline: none;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.btn-amber {
  background: var(--amber);
  color: #1F2937;
  box-shadow: 0 10px 22px -14px rgba(255, 181, 46, .75);
}

.btn-amber:hover,
.btn-amber:active {
  background: #f0a41e;
  color: #141f2b;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -14px rgba(255, 181, 46, .9);
}

.btn-outline-blue {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline-blue:hover,
.btn-outline-blue:active {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: .88rem 1.75rem;
}

.text-center {
  text-align: center;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  color: var(--primary);
}

.arrow-link::after {
  content: "→";
  transition: transform .2s ease;
}

.arrow-link:hover {
  color: var(--primary-dark);
}

.arrow-link:hover::after {
  transform: translateX(4px);
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: .25rem .7rem;
  border-radius: 8px;
  line-height: 1.4;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
}

.site-nav {
  background: var(--nav-bg);
  min-height: 78px;
  padding: 0 1rem;
  position: relative;
  transition: min-height .3s ease, background .3s ease, box-shadow .3s ease;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, .06);
}

.site-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--amber), transparent);
  opacity: .9;
  pointer-events: none;
}

.site-header.is-scrolled .site-nav {
  min-height: 64px;
  background: rgba(10, 27, 42, .94);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
}

.site-nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin: 0;
}

.site-brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--nav-bg);
  border: 1px solid rgba(15, 217, 210, .5);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
}

.site-brand__mark::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--cyan);
  box-shadow: 0 0 10px rgba(15, 217, 210, .55);
}

.site-brand__text {
  color: var(--nav-highlight);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}

.site-brand__meta {
  display: inline-block;
  color: var(--cyan);
  font-size: 12px;
  border: 1px solid rgba(15, 217, 210, .45);
  border-radius: 999px;
  padding: .15rem .65rem;
  line-height: 1.4;
  white-space: nowrap;
  background: rgba(15, 217, 210, .08);
}

.site-nav__collapse {
  gap: .5rem;
}

.site-nav__menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: .15rem;
  margin: 0;
  padding: 0;
}

.site-nav__link {
  color: var(--nav-text);
  padding: .55rem .8rem;
  font-weight: 500;
  border-radius: 10px;
  position: relative;
  display: block;
  line-height: 1.4;
  background: transparent;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: .8rem;
  right: .8rem;
  bottom: .35rem;
  height: 2px;
  background: transparent;
  border-radius: 2px;
}

.site-nav__link:hover {
  color: var(--nav-highlight);
  background: rgba(255, 255, 255, .05);
}

.site-nav__link.active {
  color: var(--nav-highlight);
}

.site-nav__link.active::after {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(15, 217, 210, .55);
}

.site-nav__cta {
  background: var(--amber);
  color: #1F2937;
  border-radius: 999px;
  font-weight: 600;
  padding: .55rem 1.25rem;
  white-space: nowrap;
  box-shadow: 0 8px 20px -12px rgba(255, 181, 46, .55);
}

.site-nav__cta:hover,
.site-nav__cta:active {
  background: #f0a41e;
  color: #141f2b;
  transform: translateY(-2px);
}

.site-nav-toggle {
  border: 0;
  background: transparent;
  padding: .6rem;
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.site-nav-toggle:hover {
  background: rgba(255, 255, 255, .08);
}

.site-nav-toggle .navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--nav-highlight);
  border-radius: 2px;
  transition: background .2s;
}

.site-nav-toggle .navbar-toggler-icon::before,
.site-nav-toggle .navbar-toggler-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--nav-highlight);
  border-radius: 2px;
  transition: transform .2s;
}

.site-nav-toggle .navbar-toggler-icon::before {
  top: -7px;
}

.site-nav-toggle .navbar-toggler-icon::after {
  top: 7px;
}

.hero {
  position: relative;
  padding: 90px 0 78px;
  background: linear-gradient(180deg, #ffffff 0%, #F2F7FC 100%);
  overflow: hidden;
  border-bottom: 1px solid rgba(215, 229, 243, .8);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#D7E5F3 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .45;
  pointer-events: none;
}

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

.hero__row {
  --bs-gutter-x: 2rem;
  --bs-gutter-y: 2rem;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
  border: 1px solid rgba(18, 103, 178, .12);
  border-radius: 999px;
  padding: .4rem 1rem;
}

.hero__title {
  font-size: clamp(32px, 5vw, 52px);
  margin: 24px 0 18px;
  letter-spacing: -.02em;
  color: var(--text);
}

.hero__title-note {
  display: block;
  font-size: clamp(17px, 2vw, 22px);
  color: var(--muted);
  font-weight: 500;
  margin-top: .55rem;
  letter-spacing: .02em;
}

.hero__lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 28px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 24px;
}

.hero__address {
  display: flex;
  align-items: center;
  gap: .8rem;
  max-width: 600px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: .75rem 1.1rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.hero__address-label {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
  border-radius: 8px;
  padding: .25rem .6rem;
  line-height: 1.4;
}

.hero__address-url {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--text);
  word-break: break-all;
}

.hero__address-action {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.hero__address-action span {
  color: var(--primary);
  transition: transform .2s;
}

.hero__address-action:hover span {
  transform: translateX(4px);
}

.hero__visual-wrap {
  position: relative;
}

.hero__visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: var(--primary-light);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4 / 3;
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, .32) 0%, rgba(231, 240, 250, .08) 100%);
  pointer-events: none;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__float-card {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-md);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: .8rem;
}

.float-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #35d09f;
  box-shadow: 0 0 0 4px rgba(53, 208, 159, .18);
  flex: 0 0 auto;
}

.float-card__domain {
  font-family: var(--font-num);
  color: var(--text);
  font-weight: 600;
}

.float-card__state {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.steps {
  background: var(--bg);
}

.steps-row {
  --bs-gutter-y: 1.5rem;
}

.step-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem 1.5rem;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(18, 103, 178, .32);
}

.step-card__num {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 600;
  color: var(--primary-light);
  line-height: 1;
  display: block;
  margin-bottom: .9rem;
}

.step-card__num strong {
  color: var(--primary);
  font-weight: 600;
}

.step-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: .55rem;
}

.step-card__text {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: .8rem;
  line-height: 1.7;
}

.step-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}

.step-card__link span {
  transition: transform .2s;
}

.step-card__link:hover span {
  transform: translateX(4px);
}

.step-col--offsetup {
  transform: translateY(-16px);
}

.feature {
  background: #fff;
  border-top: 1px solid rgba(215, 229, 243, .6);
  border-bottom: 1px solid rgba(215, 229, 243, .6);
}

.feature-benefit {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.feature-benefit__media {
  min-height: 280px;
  overflow: hidden;
}

.feature-benefit__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-benefit__content {
  padding: 2rem 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.feature-benefit__title {
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: .9rem;
}

.feature-benefit__text {
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.feature-mini-grid {
  --bs-gutter-y: 1.5rem;
}

.feature-mini-card {
  display: flex;
  gap: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}

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

.feature-mini-card__icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.feature-mini-card__title {
  font-size: 18px;
  margin-bottom: .3rem;
}

.feature-mini-card__text {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
  line-height: 1.7;
}

.track {
  background: var(--bg-deep);
}

.track-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.4rem 2rem;
  position: relative;
  overflow: hidden;
}

.track-panel__desc {
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 2.6rem auto;
  text-align: center;
}

.track__grid {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
}

.track__grid::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 17px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--amber), transparent);
  opacity: .5;
}

.track__item {
  position: relative;
  text-align: center;
}

.track__node {
  width: 34px;
  height: 34px;
  margin: 0 auto 1rem auto;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.track__node span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: transparent;
  border: 2px dashed var(--placeholder);
}

.track__item.is-pending .track__date {
  color: var(--placeholder);
}

.track__item.is-pending .track__title {
  color: var(--placeholder);
  font-weight: 500;
}

.track__date {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--muted);
  display: block;
}

.track__title {
  font-size: 15px;
  color: var(--text);
  display: block;
}

.news {
  background: var(--bg);
}

.news__content {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(1.2rem, 3vw, 2.4rem);
}

.news-row {
  --bs-gutter-y: 1.25rem;
}

.news-feature {
  display: block;
  height: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}

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

.news-feature__cover {
  display: block;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--primary-light);
  position: relative;
}

.news-feature__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(10, 27, 42, .32) 100%);
}

.news-feature__content {
  display: block;
  padding: 1.25rem 1.4rem 1.4rem;
}

.news-feature__badge {
  display: inline-block;
  margin-bottom: .65rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 8px;
  padding: .2rem .6rem;
  font-size: 13px;
  font-weight: 600;
}

.news-feature__title {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: .45rem;
}

.news-feature__summary {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: .85rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature__meta {
  font-family: var(--font-num);
  color: var(--placeholder);
  font-size: 13px;
}

.news-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.news-sublist__item {
  border-bottom: 1px solid var(--line);
  padding: .9rem .2rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  min-height: 88px;
  justify-content: center;
  transition: padding-left .2s ease;
}

.news-sublist__item:last-child {
  border-bottom: 0;
}

.news-sublist__item:hover {
  padding-left: .5rem;
}

.news-sublist__tag {
  display: inline-block;
  width: fit-content;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  border-radius: 6px;
  padding: .1rem .5rem;
  line-height: 1.5;
  font-weight: 600;
}

.news-sublist__link {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

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

.news-sublist__summary {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-sublist__time {
  font-family: var(--font-num);
  color: var(--placeholder);
  font-size: 13px;
}

.news-more {
  text-align: right;
  margin-top: 1.5rem;
}

.news-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--placeholder);
}

.news-empty__icon {
  width: 72px;
  height: 72px;
  border: 2px dashed var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 600;
  color: var(--placeholder);
  margin-bottom: 1rem;
  font-family: var(--font-num);
}

.faq {
  background: #fff;
  border-top: 1px solid rgba(215, 229, 243, .6);
  border-bottom: 1px solid rgba(215, 229, 243, .6);
}

.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
  margin-bottom: 0;
}

.faq-accordion .accordion-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-accordion .accordion-button {
  background: transparent;
  border: 0;
  box-shadow: none;
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  padding: 1.4rem 2.8rem 1.4rem .25rem;
  position: relative;
  border-radius: 0;
  line-height: 1.5;
  transition: color .2s ease, background .2s ease;
}

.faq-accordion .accordion-button:hover {
  color: var(--primary);
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.faq-accordion .accordion-button::after {
  content: "";
  background-image: none;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  position: absolute;
  right: .25rem;
  top: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  background: transparent;
}

.faq-accordion .accordion-button:not(.collapsed)::after {
  background-image: none;
  content: "−";
  color: var(--primary);
  border-color: var(--primary-light);
  background: var(--primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
}

.faq-accordion .accordion-button.collapsed::after {
  content: "+";
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
}

.faq-accordion .accordion-body {
  padding: 0 .25rem 1.5rem;
  color: var(--muted);
  line-height: 1.85;
  max-width: 700px;
}

.faq-accordion .accordion-body p {
  margin-bottom: 0;
}

.faq-accordion .accordion-item.active-item {
  background: var(--bg-deep);
}

.cta {
  padding: 96px 0;
  background: linear-gradient(180deg, #fff 0%, #E7F0FA 100%);
}

.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #ddedfb 100%);
  border: 1px solid rgba(18, 103, 178, .12);
  border-radius: 24px;
  text-align: center;
  padding: clamp(2.4rem, 5vw, 4.5rem) 1.5rem;
  box-shadow: var(--shadow-sm);
}

.cta-band::before {
  content: "https://www.sinbec.com/";
  font-family: var(--font-num);
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  font-size: clamp(42px, 8vw, 92px);
  color: rgba(18, 103, 178, .045);
  white-space: nowrap;
  line-height: 1;
  pointer-events: none;
  letter-spacing: .02em;
}

.cta-band h2 {
  font-size: clamp(24px, 3.6vw, 40px);
  max-width: 760px;
  margin: 0 auto 14px;
}

.cta-band p {
  color: var(--muted);
  margin-bottom: 1.8rem;
}

.cta-band .btn {
  position: relative;
  z-index: 1;
}

.site-footer {
  background: var(--nav-bg);
  color: var(--nav-text);
  border-top: 3px solid var(--primary);
}

.footer__top {
  padding: 56px 0 32px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1rem;
}

.footer__brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(15, 217, 210, .55);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer__brand-mark::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--cyan);
  box-shadow: 0 0 8px rgba(15, 217, 210, .5);
}

.footer__brand-name {
  color: #fff;
  font-size: 19px;
  font-weight: 600;
}

.footer__brand-meta {
  color: var(--cyan);
  font-size: 11px;
  border: 1px solid rgba(15, 217, 210, .35);
  border-radius: 999px;
  padding: .1rem .5rem;
  background: rgba(15, 217, 210, .06);
}

.footer__desc {
  color: var(--nav-text);
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}

.footer__title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 1.15rem;
  position: relative;
  padding-bottom: .5rem;
}

.footer__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  opacity: .7;
}

.footer__nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__nav li + li {
  margin-top: .65rem;
}

.footer__nav a {
  color: var(--nav-text);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
}

.footer__nav a::before {
  content: "›";
  margin-right: .45rem;
  color: var(--cyan);
  font-weight: 700;
  transition: transform .2s ease;
}

.footer__nav a:hover {
  color: #fff;
}

.footer__nav a:hover::before {
  transform: translateX(3px);
}

.footer__bottom {
  border-top: 1px solid rgba(184, 207, 227, .14);
  padding: 1.25rem 0;
}

.footer__copyright {
  color: rgba(184, 207, 227, .78);
  font-size: 13px;
  margin-bottom: 0;
  text-align: center;
}

@media (max-width: 991.98px) {
  .section {
    --section-space: 76px;
  }

  .hero {
    padding: 64px 0 56px;
  }

  .site-nav__collapse {
    background: rgba(10, 27, 42, .98);
    padding: 1.2rem .5rem .8rem;
    border-radius: 0 0 16px 16px;
    border-top: 1px solid rgba(15, 217, 210, .2);
  }

  .site-nav__menu {
    flex-direction: column;
    align-items: stretch;
    gap: .2rem;
  }

  .site-nav__link {
    padding: .8rem .6rem;
  }

  .site-nav__link::after {
    left: .6rem;
    right: auto;
    width: 22px;
    bottom: .7rem;
  }

  .site-nav__link.active {
    background: rgba(255, 255, 255, .04);
  }

  .site-nav__cta {
    margin-top: 1rem;
    margin-bottom: .6rem;
    width: 100%;
  }

  .feature-benefit {
    grid-template-columns: 1fr;
  }

  .feature-benefit__media {
    min-height: 220px;
  }

  .step-col--offsetup {
    transform: none;
  }

  .track__grid::before {
    left: 4%;
    right: 4%;
  }

  .footer__title {
    margin-top: 1rem;
  }
}

@media (max-width: 767.98px) {
  .section {
    --section-space: 60px;
  }

  .site-brand__text {
    font-size: 18px;
  }

  .site-brand__meta {
    font-size: 11px;
  }

  .hero {
    padding-top: 46px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__address {
    align-items: flex-start;
    flex-direction: column;
    gap: .45rem;
  }

  .hero__address-action {
    margin-left: 0;
  }

  .hero__visual {
    aspect-ratio: 1 / 1;
  }

  .hero__float-card {
    flex-direction: column;
    align-items: flex-start;
    gap: .35rem;
  }

  .float-card__state {
    margin-left: 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .news__content {
    padding: 1.1rem;
  }

  .news-feature__title {
    font-size: 18px;
  }

  .news-sublist__link {
    font-size: 15px;
  }

  .track-panel {
    padding: 1.3rem 1rem;
  }

  .track__grid .row {
    --bs-gutter-x: .5rem;
  }

  .track__title {
    font-size: 13px;
  }

  .faq-accordion .accordion-button {
    font-size: 15px;
    padding-right: 2.4rem;
  }

  .footer__top .row {
    --bs-gutter-y: 1.2rem;
  }

  .footer__bottom {
    padding: 1.1rem 1rem;
  }
}

/* roulang page: article */
:root {
            --page-bg: #F7F9FC;
            --block-bg: #EDF3FA;
            --primary: #1267B2;
            --primary-deep: #0A4E93;
            --primary-light: #E7F0FA;
            --line-color: #D7E5F3;
            --text-main: #1F3A56;
            --text-muted: #5B6F84;
            --text-weak: #9AAEC0;
            --nav-bg: #0A1B2A;
            --nav-text: #B8CFE3;
            --nav-text-light: #FFFFFF;
            --neon: #0FD9D2;
            --amber: #FFB52E;
            --radius-lg: 14px;
            --radius-md: 10px;
            --shadow-soft: 0 10px 28px -16px rgba(13, 71, 124, .18);
            --shadow-hover: 0 18px 40px -18px rgba(13, 71, 124, .25);
            --container-width: 1200px;
            --transition: all .25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--page-bg);
            color: var(--text-main);
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-deep);
        }
        .container {
            max-width: var(--container-width);
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--nav-bg);
            transition: box-shadow .3s ease;
        }
        .site-nav {
            background: transparent;
            padding: 14px 0;
            border-bottom: 1px solid rgba(15, 217, 210, .35);
            transition: all .3s ease;
            min-height: 76px;
        }
        .site-header.is-scrolled .site-nav {
            padding: 8px 0;
            min-height: 64px;
            background: rgba(10, 27, 42, .92);
            backdrop-filter: blur(10px);
            border-bottom-color: rgba(15, 217, 210, .6);
            box-shadow: 0 6px 22px -12px rgba(2, 16, 28, .7);
        }
        .site-nav__container {
            align-items: center;
            position: relative;
        }
        .site-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 24px;
        }
        .site-brand__mark {
            width: 10px;
            height: 26px;
            border-radius: 10px;
            background: linear-gradient(180deg, var(--neon), var(--amber));
            box-shadow: 0 0 12px rgba(15, 217, 210, .55);
            transform: rotate(4deg);
        }
        .site-brand__text {
            color: #fff;
            font-size: 20px;
            font-weight: 600;
            letter-spacing: .5px;
            line-height: 1.2;
        }
        .site-brand__meta {
            font-size: 11px;
            color: var(--neon);
            border: 1px solid rgba(15, 217, 210, .55);
            border-radius: 999px;
            padding: 2px 9px;
            letter-spacing: 1px;
            background: rgba(15, 217, 210, .06);
            white-space: nowrap;
        }
        .site-nav__menu {
            gap: 4px;
        }
        .site-nav__link {
            display: inline-block;
            color: var(--nav-text);
            font-size: 15px;
            padding: 10px 16px !important;
            position: relative;
            border-radius: 8px;
            transition: var(--transition);
        }
        .site-nav__link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 999px;
            background: var(--neon);
            box-shadow: 0 0 8px rgba(15, 217, 210, .5);
            opacity: 0;
            transform: scaleX(.4);
            transition: var(--transition);
        }
        .site-nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .04);
        }
        .site-nav__link:hover::after {
            opacity: .7;
            transform: scaleX(.7);
        }
        .site-nav__link.active {
            color: #fff;
        }
        .site-nav__link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .site-nav__link:focus-visible,
        .site-nav__cta:focus-visible,
        .site-brand:focus-visible,
        .footer a:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
        }
        .site-nav__cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--amber);
            color: #10243A;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            padding: 9px 24px;
            border: 0;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 0 0 1px rgba(255, 181, 46, .4);
        }
        .site-nav__cta:hover {
            background: #ffc65c;
            transform: translateY(-2px);
            color: #10243A;
            box-shadow: 0 10px 22px -10px rgba(255, 181, 46, .6);
        }
        .site-nav__cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .navbar-toggler {
            border: 1px solid rgba(184, 207, 227, .45);
            border-radius: 8px;
            padding: 7px 10px;
            width: 44px;
            height: 40px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(255, 181, 46, .5);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(184, 207, 227, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.3em;
            height: 1.3em;
        }

        @media (max-width: 991.98px) {
            .site-nav__collapse {
                background: var(--nav-bg);
                border: 1px solid rgba(184, 207, 227, .12);
                border-radius: 14px;
                margin-top: 12px;
                padding: 10px 12px 14px;
                box-shadow: 0 18px 36px -14px rgba(2, 12, 22, .85);
            }
            .site-nav__menu {
                gap: 2px;
                margin-top: 6px;
            }
            .site-nav__link {
                display: block;
                padding: 12px 16px !important;
                border-radius: 8px;
            }
            .site-nav__link::after {
                left: 15px;
                right: auto;
                width: 3px;
                height: auto;
                top: 8px;
                bottom: 8px;
                border-radius: 0;
                transform: scaleY(.3);
            }
            .site-nav__link:hover::after,
            .site-nav__link.active::after {
                transform: scaleY(1);
            }
            .site-nav__cta {
                margin: 12px 0 4px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ---------- Breadcrumb ---------- */
        .crumb-bar {
            background: var(--block-bg);
            border-bottom: 1px solid var(--line-color);
            padding: 13px 0;
        }
        .crumb-bar .breadcrumb {
            margin-bottom: 0;
            --bs-breadcrumb-divider: "›";
        }
        .crumb-bar .breadcrumb-item a {
            color: var(--text-muted);
            font-size: 14px;
        }
        .crumb-bar .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .crumb-bar .breadcrumb-item.active {
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            max-width: 620px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ---------- Article ---------- */
        .post-main {
            padding: 52px 0 72px;
            background: var(--page-bg);
        }
        .post-shell {
            max-width: 940px;
            margin: 0 auto;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: 20px;
            box-shadow: var(--shadow-soft);
            padding: clamp(24px, 4vw, 56px);
        }
        .post-header {
            text-align: center;
            padding-bottom: 34px;
            border-bottom: 1px solid var(--line-color);
            margin-bottom: 38px;
        }
        .post-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 15px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .post-title {
            font-size: clamp(25px, 4vw, 38px);
            line-height: 1.35;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 18px;
            letter-spacing: .5px;
        }
        .post-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 20px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .post-meta i {
            color: var(--primary);
            margin-right: 5px;
            opacity: .75;
        }
        .article-body {
            max-width: 760px;
            margin: 0 auto;
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.85;
        }
        .article-body p {
            margin: 0 0 20px;
        }
        .article-body strong {
            font-weight: 600;
            color: var(--primary-deep);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.45;
            margin-top: 34px;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .article-body h2 {
            font-size: 23px;
            border-left: 4px solid var(--primary);
            padding-left: 15px;
        }
        .article-body h3 {
            font-size: 19px;
        }
        .article-body a {
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(18, 103, 178, .35);
        }
        .article-body a:hover {
            text-decoration-color: var(--primary);
            color: var(--primary-deep);
        }
        .article-body ul {
            padding-left: 1.2em;
            margin-bottom: 20px;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 7px;
            padding-left: 5px;
        }
        .article-body ul li::marker {
            color: var(--primary);
        }
        .article-body ol {
            padding-left: 1.4em;
            margin-bottom: 20px;
        }
        .article-body blockquote {
            border-left: 3px solid var(--primary);
            background: #eef5fc;
            padding: 14px 20px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
            color: var(--text-muted);
        }
        .article-body img {
            border-radius: 14px;
            margin: 22px auto;
        }
        .article-body figure {
            margin: 26px 0;
        }
        .article-body figure img {
            margin: 0 auto 10px;
        }
        .article-body figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--text-weak);
        }
        .article-body table {
            display: table;
            width: 100%;
            max-width: 100%;
            border-collapse: collapse;
            margin: 26px 0;
            font-size: 15px;
            border: 1px solid var(--line-color);
            border-radius: 10px;
            overflow: hidden;
        }
        .article-body table thead th {
            background: var(--primary-light);
            color: var(--text-main);
            font-weight: 600;
            text-align: left;
            padding: 12px 14px;
            white-space: nowrap;
        }
        .article-body table tbody td {
            border-top: 1px solid var(--line-color);
            padding: 11px 14px;
        }
        .article-body table tbody tr:nth-child(even) {
            background: rgba(247, 249, 252, .8);
        }
        .article-body :not(pre) > code {
            background: #eef3f8;
            color: var(--primary-deep);
            border-radius: 6px;
            padding: 3px 8px;
            font-size: .92em;
            font-family: Consolas, "SFMono-Regular", monospace;
        }
        .article-body pre {
            background: #0a1b2a;
            color: #dceaff;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
        }
        @media (max-width: 575.98px) {
            .post-main {
                padding: 30px 0 44px;
            }
            .post-shell {
                padding: 22px 18px 34px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 15.5px;
            }
            .article-body table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
        }

        /* ---------- Post bottom ---------- */
        .post-extra {
            max-width: 760px;
            margin: 38px auto 0;
            padding-top: 26px;
            border-top: 1px solid var(--line-color);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
        .post-tag-line {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .post-tag-line .tag {
            background: var(--page-bg);
            color: var(--text-muted);
            border: 1px solid var(--line-color);
            border-radius: 999px;
            font-size: 13px;
            padding: 5px 13px;
            transition: var(--transition);
        }
        .post-tag-line .tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .post-return {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
        }
        .post-return i {
            transition: transform .25s ease;
        }
        .post-return:hover {
            color: var(--primary-deep);
        }
        .post-return:hover i {
            transform: translateX(-4px);
        }

        /* ---------- Empty state ---------- */
        .post-empty {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 70px 20px;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: 20px;
            box-shadow: var(--shadow-soft);
        }
        .post-empty__icon {
            width: 78px;
            height: 78px;
            border-radius: 50%;
            margin: 0 auto 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--block-bg);
            color: var(--primary);
            font-size: 28px;
        }
        .post-empty h1 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .post-empty p {
            color: var(--text-muted);
            margin-bottom: 26px;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: var(--primary);
            border: 0;
            border-radius: 999px;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: var(--primary-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }

        /* ---------- Section portal ---------- */
        .portal-section {
            background: var(--block-bg);
            padding: 62px 0;
            border-top: 1px solid rgba(215, 229, 243, .65);
            border-bottom: 1px solid var(--line-color);
        }
        .section-head {
            margin-bottom: 34px;
            max-width: 720px;
        }
        .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.2px;
            color: var(--primary);
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 600;
            color: var(--text-main);
            margin: 8px 0 10px;
            letter-spacing: .3px;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
        }
        .portal-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .portal-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: 16px;
            padding: 24px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            min-height: 210px;
        }
        .portal-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(18, 103, 178, .35);
        }
        .portal-card__img {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            object-fit: contain;
            background: #f4f8fd;
            padding: 6px;
            margin-bottom: 17px;
        }
        .portal-card__title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .portal-card__desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .portal-card__link {
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--primary);
        }
        .portal-card__link i {
            transition: transform .2s ease;
        }
        .portal-card__link:hover {
            color: var(--primary-deep);
        }
        .portal-card__link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 991.98px) {
            .portal-cards {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .portal-section {
                padding: 44px 0;
            }
            .portal-cards {
                grid-template-columns: 1fr;
            }
            .post-shell {
                margin: 0;
            }
        }

        /* ---------- Soft CTA ---------- */
        .soft-cta {
            background: linear-gradient(120deg, #ffffff, #eaf4fd);
            padding: 58px 0 62px;
        }
        .soft-cta__inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 26px;
            border: 1px solid var(--line-color);
            border-radius: 18px;
            background: rgba(255, 255, 255, .82);
            padding: clamp(24px, 3.6vw, 44px);
            box-shadow: var(--shadow-soft);
        }
        .soft-cta__title {
            font-size: clamp(20px, 2.6vw, 28px);
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .soft-cta__text {
            color: var(--text-muted);
            margin: 0;
            font-size: 15px;
            max-width: 620px;
        }
        .btn-dark-cta {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: var(--nav-bg);
            color: #fff;
            border: 0;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            padding: 14px 34px;
            transition: var(--transition);
            border: 1px solid rgba(15, 217, 210, .3);
            min-height: 48px;
            white-space: nowrap;
        }
        .btn-dark-cta:hover {
            background: #103149;
            color: #fff;
            border-color: rgba(15, 217, 210, .7);
            box-shadow: 0 12px 24px -10px rgba(10, 78, 147, .35);
            transform: translateY(-2px);
        }
        .btn-dark-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--nav-bg);
            color: var(--nav-text);
        }
        .footer__top {
            padding: 50px 0 38px;
        }
        .footer__brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer__brand-mark {
            width: 9px;
            height: 23px;
            border-radius: 10px;
            background: linear-gradient(180deg, var(--neon), var(--amber));
            box-shadow: 0 0 10px rgba(15, 217, 210, .45);
        }
        .footer__brand-name {
            color: #fff;
            font-size: 19px;
            font-weight: 600;
        }
        .footer__brand-meta {
            font-size: 11px;
            color: var(--neon);
            border: 1px solid rgba(15, 217, 210, .45);
            border-radius: 999px;
            padding: 2px 9px;
        }
        .footer__desc {
            font-size: 14px;
            line-height: 1.75;
            color: #9DB4C8;
            margin-bottom: 0;
            max-width: 280px;
        }
        .footer__title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 17px;
            letter-spacing: .5px;
        }
        .footer__nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer__nav li {
            margin-bottom: 11px;
        }
        .footer__nav a {
            color: var(--nav-text);
            font-size: 14px;
            transition: var(--transition);
            opacity: .9;
        }
        .footer__nav a:hover {
            color: var(--neon);
            padding-left: 4px;
            opacity: 1;
        }
        .footer__bottom {
            border-top: 1px solid rgba(184, 207, 227, .14);
            padding: 17px 0;
            background: rgba(4, 13, 22, .6);
        }
        .footer__bottom .container {
            display: flex;
            justify-content: center;
        }
        .footer__copyright {
            margin: 0;
            font-size: 13px;
            color: #7f99b0;
        }
        @media (max-width: 767.98px) {
            .footer__top {
                padding: 36px 0 20px;
            }
        }

/* roulang page: category1 */
:root {
  --bg: #F7F9FC;
  --bg-deep: #EDF3FA;
  --surface: #FFFFFF;
  --primary: #1267B2;
  --primary-deep: #0A4E93;
  --primary-light: #E7F0FA;
  --line: #D7E5F3;
  --text: #1F3A56;
  --muted: #5B6F84;
  --faint: #9AAEC0;
  --navy: #0A1B2A;
  --nav-text: #B8CFE3;
  --white: #FFFFFF;
  --neon: #0FD9D2;
  --amber: #FFB52E;
  --amber-hover: #FFC35C;
  --shadow: 0 10px 28px -16px rgba(13, 71, 124, .18);
  --shadow-lg: 0 18px 40px -18px rgba(13, 71, 124, .25);
  --radius: 14px;
  --radius-lg: 20px;
  --radius-sm: 10px;
  --section-space: 104px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: "Inter", "Bahnschrift", "Roboto", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

body[id],
section[id] {
  scroll-margin-top: 104px;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.accordion-button:focus {
  outline: 2px solid var(--amber) !important;
  outline-offset: 2px;
  box-shadow: none !important;
}

.container {
  max-width: 1200px;
}

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

.section-light {
  background: var(--bg);
}

.section-deep {
  background: var(--bg-deep);
}

.text-muted-custom {
  color: var(--muted);
}

/* ===== Buttons ===== */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1;
  padding: 13px 24px;
  font-size: 16px;
  border: 1px solid transparent;
  transition: all .25s ease;
}

.btn-amber {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
  border-radius: 999px;
}

.btn-amber:hover {
  background: var(--amber-hover);
  color: var(--navy);
  border-color: var(--amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px -12px rgba(255, 181, 46, .45);
}

.btn-outline-primary-custom {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 999px;
}

.btn-outline-primary-custom:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-primary-solid {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  border-radius: 999px;
}

.btn-primary-solid:hover {
  background: var(--primary-deep);
  color: #fff;
  border-color: var(--primary-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: var(--navy);
  border-bottom: 1px solid rgba(15, 217, 210, .45);
}

.site-header .navbar {
  min-height: 76px;
  padding-top: 0;
  padding-bottom: 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--white) !important;
  font-weight: 600;
  padding-top: 0;
  padding-bottom: 0;
  font-size: 20px;
  letter-spacing: .01em;
}

.site-brand__mark {
  width: 12px;
  height: 26px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--neon), var(--amber));
  box-shadow: 0 0 12px rgba(15, 217, 210, .4);
  display: inline-block;
}

.site-brand__text {
  color: inherit;
}

.site-brand__meta {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .08em;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(184, 207, 227, .4);
  color: var(--nav-text);
  background: rgba(255, 255, 255, .06);
}

.site-nav__container {
  align-items: stretch;
}

.site-nav__collapse {
  align-items: center;
}

.site-nav__menu {
  gap: .35rem;
  margin-left: auto;
}

.site-nav__link {
  display: block;
  color: var(--nav-text);
  font-weight: 500;
  padding: 24px 14px 20px !important;
  border-bottom: 2px solid transparent;
  transition: color .25s ease, border-color .25s ease, text-shadow .25s ease;
}

.site-nav__link:hover {
  color: #fff;
  text-shadow: 0 0 6px rgba(255, 255, 255, .12);
}

.site-nav__link.active {
  color: #fff;
  border-bottom-color: var(--neon);
  box-shadow: 0 8px 14px -12px var(--neon);
  text-shadow: 0 0 6px rgba(15, 217, 210, .4);
}

.site-nav__cta {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
  white-space: nowrap;
}

.site-nav__cta:hover {
  background: var(--amber-hover);
  color: var(--navy);
  border-color: var(--amber-hover);
  box-shadow: 0 8px 18px -8px rgba(255, 181, 46, .5);
  transform: translateY(-1px);
}

.site-nav-toggle {
  border: 1px solid rgba(184, 207, 227, .3);
  border-radius: 8px;
  padding: 6px 10px;
  margin: 16px 0;
}

.site-nav-toggle .navbar-toggler-icon {
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Breadcrumb ===== */
.breadcrumb-nav {
  padding: 1.15rem 0 .6rem;
}

.breadcrumb-nav .breadcrumb {
  margin-bottom: 0;
  font-size: 13px;
}

.breadcrumb-nav .breadcrumb-item {
  color: var(--muted);
}

.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  content: "\f105";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--faint);
  padding-left: .5rem;
  padding-right: .5rem;
}

.breadcrumb-nav .breadcrumb-item a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb-nav .breadcrumb-item.active {
  color: var(--text);
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  background:
    radial-gradient(#D7E5F3 1px, transparent 1px),
    linear-gradient(120deg, rgba(247, 249, 252, .95) 10%, rgba(233, 241, 250, .8) 55%, rgba(255, 255, 255, .82) 100%),
    url('/assets/images/backpic/back-1.png') right bottom / cover no-repeat;
  background-attachment: fixed;
  border-bottom: 1px solid var(--line);
}

.category-hero__inner {
  padding: 44px 0 72px;
  max-width: 900px;
}

.category-kicker {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(18, 103, 178, .09);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
  letter-spacing: .04em;
}

.category-kicker i {
  color: var(--neon);
  font-size: 13px;
}

.category-hero h1 {
  font-size: clamp(30px, 4.8vw, 52px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: -.02em;
}

.category-hero h1 span {
  color: var(--primary);
}

.category-hero__desc {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 800px;
  margin-bottom: 28px;
}

.category-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* ===== Section Heading ===== */
.section-heading {
  margin-bottom: 40px;
}

.section-heading .kicker {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.section-heading h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 12px;
  letter-spacing: -.02em;
}

.section-heading p {
  color: var(--muted);
  font-size: 16px;
  max-width: 780px;
  margin-bottom: 0;
}

/* ===== Overview Feature Grid ===== */
.overview-grid {
  align-items: stretch;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease;
}

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

.feature-card--primary .row {
  height: 100%;
}

.feature-card__img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.feature-card__body {
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.feature-card__tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.feature-card__body h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 14px;
}

.feature-card__body p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
  margin-bottom: 20px;
}

.sidepoint-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.sidepoint-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  flex: 1;
}

.sidepoint-item:hover {
  transform: translateY(-3px);
  border-color: #BCD8EF;
  box-shadow: var(--shadow);
}

.sidepoint-item__icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 12px;
  font-size: 20px;
}

.sidepoint-item__body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}

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

/* ===== Notice List ===== */
.notice-wrap {
  background: var(--bg);
}

.notice-list-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.notice-item {
  display: flex;
  gap: 22px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color .25s ease;
}

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

.notice-item:hover {
  background: #FAFCFE;
}

.notice-item__index {
  color: var(--faint);
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  min-width: 58px;
}

.notice-item__wrap h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.notice-item__wrap h3 a {
  color: var(--text);
  text-decoration: none;
}

.notice-item__wrap h3 a:hover {
  color: var(--primary);
}

.notice-item__wrap p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 12px;
  max-width: 900px;
}

.notice-item__more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.notice-item__more i {
  font-size: 12px;
  transition: transform .25s ease;
}

.notice-item__more:hover i {
  transform: translateX(4px);
}

.notice-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.notice-list-header .btn {
  padding: 10px 18px;
  font-size: 14px;
}

/* ===== Access Process ===== */
.access-area {
  background: var(--bg);
}

.access-track {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 8px 0;
}

.access-track__item {
  position: relative;
  padding: 0 0 48px 70px;
}

.access-track__item:last-child {
  padding-bottom: 0;
}

.access-track__item::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 6px, transparent 6px 14px);
}

.access-track__item:last-child::before {
  display: none;
}

.access-track__dot {
  position: absolute;
  left: 14px;
  top: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface);
  border: 5px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(18, 103, 178, .12);
  z-index: 1;
}

.access-track__card {
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform .3s ease, box-shadow .3s ease;
}

.access-track__card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
}

.access-track__step {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-en);
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 14px;
}

.access-track__card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.access-track__card p {
  color: var(--muted);
  font-size: 15.5px;
  margin-bottom: 12px;
  line-height: 1.85;
}

/* ===== FAQ ===== */
.faq-area {
  background: var(--surface);
}

.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  margin-bottom: 0;
  border-radius: 0 !important;
}

.faq-accordion .accordion-item:first-child {
  border-top: 1px solid var(--line);
}

.faq-accordion .accordion-button {
  background: transparent;
  padding: 24px 8px 24px 18px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  border: none;
  box-shadow: none;
  position: relative;
}

.faq-accordion .accordion-button::before {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: -6px;
  color: var(--primary);
  transition: transform .25s ease;
  font-size: 14px;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: transparent;
  box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed)::before {
  transform: rotate(180deg);
}

.faq-accordion .accordion-button::after {
  display: none;
}

.faq-accordion .accordion-collapse {
  border: 0;
}

.faq-accordion .accordion-body {
  padding: 0 24px 28px 42px;
  background: transparent;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  padding: 80px 0 96px;
  background:
    radial-gradient(circle at 85% 25%, rgba(18, 103, 178, .08), transparent 240px),
    linear-gradient(120deg, rgba(255, 255, 255, .8), rgba(231, 240, 250, .9)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-top: 1px solid var(--line);
}

.cta-banner__inner {
  max-width: 820px;
  text-align: center;
  margin: 0 auto;
}

.cta-banner h2 {
  font-size: clamp(25px, 3.6vw, 38px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.9;
  margin-bottom: 28px;
}

.cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy);
  color: var(--nav-text);
  padding-top: 70px;
}

.site-footer .footer__top {
  padding-bottom: 46px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 16px;
}

.footer__brand-mark {
  width: 11px;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--neon), var(--amber));
  box-shadow: 0 0 10px rgba(15, 217, 210, .3);
}

.footer__brand-name {
  color: #fff;
  font-size: 20px;
  font-weight: 600;
}

.footer__brand-meta {
  font-size: 11px;
  color: var(--nav-text);
  border: 1px solid rgba(184, 207, 227, .35);
  padding: 4px 8px;
  border-radius: 999px;
}

.footer__desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: #8AA0B5;
  max-width: 340px;
}

.footer__title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(184, 207, 227, .15);
}

.footer__nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__nav li + li {
  margin-top: 10px;
}

.footer__nav a {
  color: var(--nav-text);
  font-size: 14.5px;
  text-decoration: none;
  transition: color .25s ease, padding-left .25s ease;
}

.footer__nav a:hover {
  color: var(--neon);
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid rgba(184, 207, 227, .12);
  padding: 18px 0;
}

.footer__copyright {
  margin: 0;
  color: #728BA0;
  font-size: 13px;
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .feature-card__body {
    padding: 26px;
  }

  .notice-item {
    padding: 24px;
  }
}

@media (max-width: 991.98px) {
  .site-nav__collapse {
    background: var(--navy);
    border-top: 1px solid rgba(15, 217, 210, .35);
    padding-bottom: 18px;
    padding-top: 8px;
  }

  .site-nav__menu {
    gap: 0;
  }

  .site-nav__link {
    padding: 12px 8px !important;
    border-bottom: 0;
    border-left: 3px solid transparent;
    font-size: 15px;
  }

  .site-nav__link.active {
    border-bottom: 0;
    border-left-color: var(--neon);
    box-shadow: none;
  }

  .site-nav__cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 14px;
    margin-left: 8px !important;
    width: max-content;
  }

  .section {
    --section-space: 80px;
  }

  .feature-card--primary .row {
    display: block;
  }

  .feature-card__img {
    min-height: 260px;
  }
}

@media (max-width: 767.98px) {
  .section {
    --section-space: 56px;
  }

  .category-hero__inner {
    padding: 30px 0 56px;
  }

  .category-hero h1 {
    font-size: clamp(30px, 7.6vw, 40px);
  }

  .category-hero__desc {
    font-size: 16px;
  }

  .overview-grid .feature-card__body {
    padding: 24px;
  }

  .sidepoint-list {
    margin-top: 16px;
  }

  .sidepoint-item {
    padding: 18px 16px;
  }

  .notice-item {
    flex-direction: column;
    gap: 14px;
    padding: 24px 20px;
  }

  .notice-item__index {
    font-size: 24px;
    min-width: 0;
  }

  .notice-list-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .access-track__item {
    padding-left: 48px;
  }

  .access-track__card {
    padding: 20px;
  }

  .access-track__item::before {
    left: 16px;
  }

  .access-track__dot {
    left: 8px;
  }

  .faq-accordion .accordion-button {
    padding: 20px 6px 18px 16px;
    font-size: 16px;
  }

  .faq-accordion .accordion-body {
    padding: 0 14px 22px 28px;
  }

  .cta-banner {
    padding: 56px 0 68px;
  }

  .site-footer .footer__brand,
  .footer__desc,
  .footer__title {
    text-align: left;
  }
}

/* roulang page: category2 */
:root {
  --bg-page: #F7F9FC;
  --bg-panel: #EDF3FA;
  --bg-pale: #E7F0FA;
  --bg-soft: #F0F6FC;
  --brand: #1267B2;
  --brand-dark: #0A4E93;
  --brand-soft: #E7F0FA;
  --line: #D7E5F3;
  --text: #1F3A56;
  --text-soft: #5B6F84;
  --text-muted: #9AAEC0;
  --dark: #0A1B2A;
  --dark-nav: #0A1B2A;
  --nav-text: #B8CFE3;
  --neon: #0FD9D2;
  --amber: #FFB52E;
  --amber-soft: #FFF6E4;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 28px -16px rgba(13, 71, 124, .18);
  --shadow-hover: 0 18px 40px -18px rgba(13, 71, 124, .25);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Bahnschrift", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: 76px;
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  text-decoration: none;
  color: var(--brand);
  transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

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

.container {
  max-width: 1200px;
}

.page-category2 {
  background: var(--bg-page);
}

.btn {
  border-radius: 999px;
  font-weight: 600;
}

.btn:focus-visible,
.navbar-toggler:focus-visible,
a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 1040;
  transition: box-shadow .3s ease, background-color .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 14px 30px -24px rgba(2, 20, 40, .65);
}

.site-nav {
  min-height: 76px;
  background: rgba(10, 27, 42, .96);
  border-bottom: 1px solid rgba(15, 217, 210, .4);
  padding: 0;
  transition: min-height .3s ease, background-color .3s ease;
}

.site-header.scrolled .site-nav {
  min-height: 64px;
  background: rgba(10, 27, 42, .92);
}

.site-nav__container {
  flex-wrap: nowrap;
  align-items: center;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 10px 0;
}

.site-brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(15, 217, 210, .7), rgba(18, 103, 178, .85));
  border: 1px solid rgba(15, 217, 210, .7);
  box-shadow: 0 0 10px rgba(15, 217, 210, .35), inset 0 0 8px rgba(255, 255, 255, .18);
}

.site-brand__mark::before,
.site-brand__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .8);
}

.site-brand__mark::before {
  width: 18px;
  height: 18px;
}

.site-brand__mark::after {
  width: 7px;
  height: 7px;
  background: #fff;
  border: 0;
  box-shadow: 0 0 7px rgba(15, 217, 210, .9);
}

.site-brand__text {
  color: #fff;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}

.site-brand__meta {
  display: inline-block;
  color: var(--nav-text);
  font-size: 11px;
  line-height: 1;
  border: 1px solid rgba(184, 207, 227, .4);
  border-radius: 5px;
  padding: 4px 5px;
  letter-spacing: .06em;
}

.site-nav__collapse {
  align-items: center;
}

.site-nav__menu {
  gap: 2px;
  align-items: center;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 12px 14px !important;
  color: var(--nav-text);
  font-weight: 500;
  font-size: 15px;
  white-space: nowrap;
  transition: color .25s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--neon);
  box-shadow: 0 0 8px rgba(15, 217, 210, .7);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}

.site-nav__link:hover,
.site-nav__link:focus {
  color: #fff;
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
  transform: scaleX(1);
}

.site-nav__link.active {
  color: #fff;
}

.site-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 9px 20px;
  background: var(--amber);
  border: 1px solid var(--amber);
  color: #18222b;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.site-nav__cta:hover {
  background: #ffc65d;
  border-color: #ffc65d;
  color: #0a1b2a;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -12px rgba(255, 181, 46, .7);
}

.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 10px;
}

.navbar-toggler-icon {
  width: 22px;
  height: 22px;
  filter: invert(1) brightness(2);
  opacity: .85;
}

/* ================= page banner ================= */
.page-hero {
  position: relative;
  background:
    linear-gradient(90deg, rgba(247, 249, 252, .96) 0%, rgba(231, 240, 250, .86) 55%, rgba(231, 240, 250, .55) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-hero__dot {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .45;
}

.breadcrumb-wrap {
  position: relative;
  z-index: 2;
  margin-bottom: 20px;
}

.breadcrumb-custom {
  margin: 0;
  padding: 0;
  background: transparent;
}

.breadcrumb-custom .breadcrumb-item {
  font-size: 14px;
  color: var(--text-soft);
}

.breadcrumb-custom .breadcrumb-item a {
  color: var(--brand);
  font-weight: 500;
}

.breadcrumb-custom .breadcrumb-item a:hover {
  color: var(--brand-dark);
}

.breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before {
  content: "\f105";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--text-muted);
  font-size: 12px;
}

.breadcrumb-custom .breadcrumb-item.active {
  color: var(--text-soft);
}

.page-hero__body {
  position: relative;
  z-index: 2;
  max-width: 920px;
}

.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--brand);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
  box-shadow: 0 4px 12px -10px rgba(13, 71, 124, .14);
}

.page-hero__eyebrow i {
  color: var(--neon);
}

.page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--dark);
  letter-spacing: .01em;
}

.page-hero__lead {
  margin: 0;
  max-width: 780px;
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.9;
}

/* ================= section base ================= */
.content-section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 40px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--neon);
  box-shadow: 0 0 6px rgba(15, 217, 210, .6);
}

.section-title {
  margin: 0 0 10px;
  color: var(--dark);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.3;
}

.section-desc {
  max-width: 780px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ================= cover strip ================= */
.cover-strip {
  padding: 80px 0 0;
}

.cover-strip__inner {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .3s ease, transform .3s ease;
}

.cover-strip__inner:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.cover-strip__media {
  min-height: 270px;
  background: var(--bg-pale);
  overflow: hidden;
}

.cover-strip__media img {
  width: 100%;
  height: 100%;
  min-height: 270px;
  object-fit: cover;
  display: block;
}

.cover-strip__content {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cover-strip__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  background: var(--brand-soft);
  color: var(--brand-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 13px;
  margin-bottom: 20px;
}

.cover-strip__badge i {
  color: var(--brand);
}

.cover-strip__content h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  color: var(--dark);
  line-height: 1.35;
  margin: 0 0 14px;
}

.cover-strip__text {
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 22px;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  align-self: flex-start;
  border-radius: 12px;
  border: 1px solid var(--brand);
  color: var(--brand);
  background: transparent;
  font-weight: 600;
  padding: 11px 22px;
  font-size: 15px;
  transition: all .25s ease;
}

.btn-line i {
  transition: transform .25s ease;
}

.btn-line:hover {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.btn-line:hover i {
  transform: translateX(4px);
}

/* ================= timeline ================= */
.timeline-section {
  background: var(--bg-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timeline-list {
  position: relative;
  margin-top: 16px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, rgba(15, 217, 210, .8) 0%, rgba(18, 103, 178, .55) 55%, rgba(215, 229, 243, .65) 100%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-left: 64px;
}

.timeline-item + .timeline-item {
  margin-top: 28px;
}

.timeline-item__node {
  position: absolute;
  left: 13px;
  top: 26px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid var(--neon);
  background: var(--dark);
  box-shadow: 0 0 0 4px rgba(15, 217, 210, .16), 0 0 12px rgba(15, 217, 210, .28);
}

.timeline-item__card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 28px;
  box-shadow: 0 8px 22px -18px rgba(13, 71, 124, .16);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.timeline-item__card:hover {
  border-color: rgba(18, 103, 178, .28);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.timeline-item__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.timeline-item__date {
  font-family: var(--font-num);
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 600;
  background: var(--brand-soft);
  border-radius: 8px;
  padding: 3px 10px;
  letter-spacing: .02em;
}

.timeline-item__tag {
  font-size: 13px;
  color: var(--text-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
  background: #fff;
}

.timeline-item__title {
  font-size: 19px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.45;
  margin: 0 0 6px;
}

.timeline-item__summary {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ================= dynamic types ================ */
.type-section {
  background: var(--bg-page);
}

.notice-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.notice-list__item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 14px;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.notice-list__item:last-child {
  margin-bottom: 0;
}

.notice-list__item:hover {
  background: #fff;
  border-color: rgba(18, 103, 178, .25);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.notice-list__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  flex: 0 0 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 17px;
}

.notice-list__body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 3px;
}

.notice-list__body p {
  color: var(--text-soft);
  font-size: 15px;
  margin: 0;
  line-height: 1.7;
}

/* ================= verify note ================= */
.verify-section {
  background: var(--bg-panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.note-panel {
  background: #fff;
  border-left: 4px solid var(--amber);
  border-radius: 0 18px 18px 0;
  box-shadow: var(--shadow);
  padding: 36px 40px;
}

.note-panel h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 12px;
}

.note-panel__lead {
  color: var(--text-soft);
  margin: 0 0 24px;
  max-width: 760px;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.check-grid__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-soft);
  padding: 18px;
}

.check-grid__icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  flex: 0 0 34px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.check-grid__content strong {
  display: block;
  color: var(--dark);
  font-weight: 600;
  font-size: 15px;
}

.check-grid__content span {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

/* ================= faq ================= */
.faq-section {
  background: var(--bg-page);
}

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

.faq-heading {
  text-align: center;
  margin-bottom: 44px;
}

.faq-heading .section-kicker {
  display: inline-flex;
  margin-bottom: 12px;
}

.faq-heading .section-kicker::before {
  display: none;
}

.faq-heading .section-title {
  margin-bottom: 8px;
}

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

.custom-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: 16px !important;
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.custom-accordion .accordion-item:not(:first-of-type) {
  border-top: 1px solid var(--line);
}

.custom-accordion .accordion-item:last-child {
  margin-bottom: 0;
}

.custom-accordion .accordion-item:hover {
  border-color: rgba(18, 103, 178, .28);
}

.custom-accordion .accordion-button {
  background: #fff;
  color: var(--dark);
  font-size: 17px;
  font-weight: 600;
  padding: 22px 28px 22px 32px;
  box-shadow: none;
  border: 0;
  position: relative;
  transition: background-color .25s ease, color .25s ease;
}

.custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  background: var(--bg-soft);
  border-left: 3px solid var(--brand);
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--bg-soft);
  color: var(--brand-dark);
}

.custom-accordion .accordion-button:focus {
  box-shadow: none;
  border: 0;
}

.custom-accordion .accordion-button::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  color: var(--brand);
  font-size: 16px;
  transition: transform .25s ease;
}

.custom-accordion .accordion-button:not(.collapsed)::after {
  content: "\f068";
  transform: rotate(180deg);
}

.custom-accordion .accordion-body {
  padding: 0 28px 24px 32px;
  background: var(--bg-soft);
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ================= CTA ================= */
.cta-section {
  padding: 70px 0 96px;
  background: var(--bg-page);
}

.cta-panel {
  background: linear-gradient(135deg, #ffffff 0%, #e7f0fa 80%);
  border: 1px solid var(--line);
  border-radius: 26px;
  overflow: hidden;
  position: relative;
  padding: 60px 50px;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .35;
  pointer-events: none;
}

.cta-panel__inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.cta-panel h2 {
  color: var(--dark);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 12px;
}

.cta-panel p {
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 28px;
}

.btn-solid {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  background: var(--brand);
  border: 1px solid var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 34px;
  transition: all .25s ease;
}

.btn-solid i {
  transition: transform .25s ease;
}

.btn-solid:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -16px rgba(10, 78, 147, .6);
}

.btn-solid:hover i {
  transform: translate(3px, -2px);
}

/* ================= footer ================= */
.site-footer {
  background: var(--dark-nav);
  color: #9db4c9;
  padding-top: 68px;
}

.site-footer a {
  color: #9db4c9;
  transition: color .25s ease, padding-left .25s ease;
}

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

.footer__top {
  padding-bottom: 48px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer__brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(145deg, rgba(15, 217, 210, .6), rgba(18, 103, 178, .8));
  border: 1px solid rgba(15, 217, 210, .55);
  box-shadow: 0 0 8px rgba(15, 217, 210, .28);
  flex: 0 0 30px;
}

.footer__brand-name {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

.footer__brand-meta {
  font-size: 11px;
  border: 1px solid rgba(184, 207, 227, .3);
  border-radius: 5px;
  padding: 3px 6px;
  color: var(--nav-text);
}

.footer__desc {
  max-width: 340px;
  color: #8ba3b8;
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 0;
}

.footer__title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin: 4px 0 18px;
}

.footer__nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__nav li {
  margin-bottom: 10px;
}

.footer__nav a {
  font-size: 14px;
  position: relative;
  padding-left: 0;
}

.footer__nav a::before {
  content: "\f105";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 11px;
  margin-right: 8px;
  color: var(--neon);
  opacity: .7;
}

.footer__nav a:hover {
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid rgba(215, 229, 243, .14);
  padding: 20px 0;
}

.footer__copyright {
  margin: 0;
  font-size: 14px;
  color: #7d97ad;
  text-align: center;
}

/* ================= responsive ================= */
@media (max-width: 991.98px) {
  body {
    padding-top: 68px;
  }

  .site-nav {
    min-height: 68px;
  }

  .site-brand__meta {
    display: none;
  }

  .site-nav__collapse {
    margin-top: 10px;
    border-top: 1px solid rgba(215, 229, 243, .12);
    padding: 12px 0 16px;
  }

  .site-nav__menu {
    width: 100%;
    align-items: flex-start;
    padding: 6px 0;
  }

  .site-nav__link {
    width: 100%;
    border-radius: 8px;
    font-size: 16px;
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__link.active,
  .site-nav__link:hover {
    background: rgba(15, 217, 210, .08);
    color: #fff;
    border-left: 2px solid var(--neon);
  }

  .site-nav__cta {
    margin-top: 14px;
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }

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

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

  .cover-strip {
    padding: 64px 0 0;
  }

  .cover-strip__content {
    padding: 32px 28px 36px;
  }
}

@media (max-width: 767.98px) {
  body {
    padding-top: 64px;
  }

  .site-nav {
    min-height: 64px;
  }

  .site-brand__text {
    font-size: 17px;
  }

  .site-brand__mark {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .navbar-toggler {
    padding: 4px 8px;
  }

  .page-hero {
    padding: 52px 0 44px;
  }

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

  .content-section {
    padding: 56px 0;
  }

  .cover-strip {
    padding: 56px 0 0;
  }

  .cover-strip__content {
    padding: 28px 22px 32px;
  }

  .cover-strip__content h2 {
    font-size: 22px;
  }

  .timeline-list::before {
    left: 12px;
  }

  .timeline-item {
    padding-left: 44px;
  }

  .timeline-item__node {
    left: 5px;
    width: 16px;
    height: 16px;
  }

  .timeline-item__card {
    padding: 20px 18px;
  }

  .timeline-item__title {
    font-size: 17px;
  }

  .notice-list__item {
    flex-direction: column;
    gap: 10px;
    padding: 18px;
  }

  .note-panel {
    padding: 28px 20px;
  }

  .cta-panel {
    padding: 40px 20px;
  }

  .btn-solid {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 992px) {
  .cover-strip__inner {
    flex-direction: row;
  }

  .cover-strip__media {
    flex: 0 0 46%;
  }

  .cover-strip__content {
    flex: 0 0 54%;
  }
}

/* roulang page: category3 */
:root {
  --bg: #F7F9FC;
  --bg-soft: #EDF3FA;
  --primary: #1267B2;
  --primary-dark: #0A4E93;
  --primary-soft: #E7F0FA;
  --border: #D7E5F3;
  --text: #1F3A56;
  --text-secondary: #5B6F84;
  --muted: #9AAEC0;
  --navy: #0A1B2A;
  --navy-text: #B8CFE3;
  --white: #FFFFFF;
  --neon: #0FD9D2;
  --amber: #FFB52E;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 10px 28px -16px rgba(13, 71, 124, .18);
  --shadow-hover: 0 18px 40px -18px rgba(13, 71, 124, .25);
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Bahnschrift", var(--font-main);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; display: block; }
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; }

/* --------------------------------------------------------- */
/* 暗色霓虹导航 */
/* --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
}
.site-nav {
  min-height: 76px;
  padding: 0;
  background: rgba(10, 27, 42, .97);
  position: relative;
  transition: min-height .28s ease, box-shadow .28s ease;
}
.site-nav::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), var(--amber), transparent);
  z-index: 2;
}
.site-header--scrolled .site-nav {
  min-height: 64px;
  background: rgba(10, 27, 42, .94);
  box-shadow: 0 12px 28px -20px rgba(0, 0, 0, .5);
}
.site-nav__container { align-items: center; position: relative; flex-wrap: wrap; }
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding-top: .55rem;
  padding-bottom: .55rem;
  margin-right: .25rem;
}
.site-brand__mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(15, 217, 210, .08);
  border: 1px solid rgba(15, 217, 210, .48);
  box-shadow: 0 0 14px rgba(15, 217, 210, .16);
  color: #fff;
  font: 700 11px/1 var(--font-num);
  letter-spacing: .06em;
}
.site-brand__mark::before { content: "hth"; }
.site-brand__text {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  transition: font-size .2s ease;
}
.site-header--scrolled .site-brand__text { font-size: 17px; }
.site-brand__meta {
  font-size: 11px;
  color: var(--navy-text);
  border: 1px solid rgba(184, 207, 227, .25);
  border-radius: var(--radius-pill);
  padding: .1rem .5rem;
  white-space: nowrap;
  line-height: 1.6;
}
.site-nav-toggle {
  border: 1px solid rgba(184, 207, 227, .3);
  border-radius: var(--radius-sm);
  padding: .32rem .55rem;
  margin-top: .3rem;
  margin-bottom: .3rem;
}
.site-nav-toggle:focus { box-shadow: 0 0 0 2px rgba(255, 181, 46, .7); }
.site-nav-toggle .navbar-toggler-icon {
  width: 1.4em;
  height: 1.4em;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23B8CFE3' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.site-nav__menu { gap: .25rem; align-items: center; }
.site-nav__link {
  display: block;
  position: relative;
  color: var(--navy-text);
  font-size: 15px;
  font-weight: 400;
  padding: 1.2rem .8rem;
  line-height: 1.4;
  transition: color .2s ease, background .2s ease;
  border-radius: 6px;
}
.site-nav__link:hover,
.site-nav__link:focus-visible { color: #fff; }
.site-nav__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.site-nav__link.active {
  color: #fff;
}
@supports ( box-shadow: 0 0 0 rgba(0,0,0,0) ) {
  .site-nav__link.active::after {
    content: "";
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: 10px;
    height: 2px;
    border-radius: 2px;
    background: var(--neon);
    box-shadow: 0 0 8px rgba(15, 217, 210, .55);
    pointer-events: none;
  }
}
.site-nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: .35rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--amber);
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  border: 0;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-nav__cta:hover,
.site-nav__cta:focus-visible {
  color: var(--text);
  background: #ffca58;
  box-shadow: 0 8px 20px -12px rgba(255, 181, 46, .7);
  transform: translateY(-1px);
}
.site-nav__cta:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* --------------------------------------------------------- */
/* 通用 section helpers */
/* --------------------------------------------------------- */
.section-block { padding: 84px 0; position: relative; }
.section-block--soft { background: var(--bg-soft); }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}
.section-head.center .section-eyebrow::after {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--neon);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin: 0 0 .75rem;
}
.section-sub { color: var(--text-secondary); font-size: 16px; margin-bottom: 0; }

/* --------------------------------------------------------- */
/* 分类页顶部横幅 */
/* --------------------------------------------------------- */
.category-lead {
  position: relative;
  padding: 58px 0 40px;
  color: var(--text);
  background:
    linear-gradient(100deg, rgba(247,249,252,.98) 0%, rgba(247,249,252,.9) 45%, rgba(231,240,250,.78) 100%),
    url("/assets/images/backpic/back-1.png") right center / cover no-repeat;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.category-lead::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 300px;
  pointer-events: none;
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .4;
}
.lead-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
}
.lead-crumb a { color: var(--primary); }
.lead-crumb a:hover { color: var(--primary-dark); }
.lead-crumb .crumb-current { color: var(--muted); }
.lead-title-wrap { max-width: 920px; position: relative; z-index: 1; }
.lead-title {
  font-size: clamp(30px, 4.4vw, 50px);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 16px;
  color: var(--text);
}
.lead-title .keyword { color: var(--primary); }
.lead-title .divider {
  display: inline-block;
  width: 2px;
  height: .78em;
  background: var(--amber);
  vertical-align: baseline;
  margin: 0 .38em;
  border-radius: 2px;
}
.lead-desc {
  max-width: 780px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}
.lead-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; position: relative; z-index: 1; }
.btn-plain {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 46px;
  padding: .6rem 1.4rem;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  border: 1px solid transparent;
}
.btn-solid {
  background: var(--primary);
  color: #fff;
}
.btn-solid:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--primary);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline .arr { transition: transform .2s ease; }
.btn-outline:hover .arr { transform: translateX(4px); }

/* 锚点导航条 */
.anchor-tabs { margin-top: -14px; position: relative; z-index: 8; }
.anchor-tabs__card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: .8rem 1rem;
}
.anchor-tab {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem 1.05rem;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all .2s ease;
}
.anchor-tab .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background .2s ease, box-shadow .2s ease;
}
.anchor-tab:hover { color: var(--primary); background: var(--primary-soft); }
.anchor-tab:hover .dot { background: var(--primary); box-shadow: 0 0 0 4px rgba(18,103,178,.1); }
.anchor-tab--primary {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
}
.anchor-tab--primary:hover { background: var(--primary-dark); color: #fff; }

/* 核心功能区 */
.section-block--white { background: #fff; }
.core-split__picture {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.core-split__picture img { width: 100%; height: 100%; object-fit: cover; }
.core-split__picture::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: inherit;
  pointer-events: none;
}
.core-list { display: grid; gap: 16px; margin-top: 28px; }
.core-item {
  display: flex;
  gap: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.core-item:hover {
  transform: translateY(-3px);
  border-color: rgba(18,103,178,.28);
  box-shadow: var(--shadow-sm);
}
.core-item__num {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font: 600 17px var(--font-num);
}
.core-item__body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 .25rem;
}
.core-item__body p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin: 0; }

/* 票券式功能区 */
.module-ticket {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
}
.module-ticket__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 1rem;
}
.module-ticket__icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 10px;
  background: var(--primary-soft);
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 17px;
}
.module-ticket__icon::before { content: "✓"; font-weight: 700; }
.module-ticket__tag {
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-soft);
  padding: .15rem .62rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.module-ticket h3 { font-size: 18px; font-weight: 600; margin: 0 0 .25rem; }
.module-ticket p { font-size: 14px; color: var(--text-secondary); margin: 0; }
.module-ticket ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.module-ticket li {
  display: flex;
  gap: .6rem;
  font-size: 15px;
  color: var(--text);
}
.module-ticket li::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  margin-top: .55em;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(15,217,210,.12);
}
.ticket-note {
  font-size: 13px;
  color: var(--muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: .9rem 1.1rem;
  border-radius: var(--radius-sm);
  line-height: 1.7;
}

/* 场景区域 */
.scene-copy { max-width: 640px; }
.scene-box {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem 1.6rem;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.scene-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.scene-box__head {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: .9rem;
}
.scene-box__num {
  font: 600 13px var(--font-num);
  color: var(--primary);
  background: var(--primary-soft);
  padding: .28rem .65rem;
  border-radius: var(--radius-pill);
}
.scene-box h3 { font-size: 17px; font-weight: 600; margin: 0; }
.scene-box p { font-size: 14px; line-height: 1.75; color: var(--text-secondary); margin-bottom: 0; }
.scene-result {
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  font-size: 13px;
  color: var(--muted);
}
.scene-result strong { color: var(--primary-dark); font-weight: 600; }

/* 注意事项面板 */
.notice-wrap {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.notice-media { min-height: 240px; height: 100%; }
.notice-media img { width: 100%; height: 100%; object-fit: cover; }
.notice-body { padding: 2.1rem 2rem; }
.notice-list { list-style: none; margin: 0 0 1.4rem; padding: 0; display: grid; gap: 1.3rem; }
.notice-list li {
  display: flex;
  gap: .85rem;
}
.notice-list .notice-handle {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
}
.notice-list h4 { font-size: 16px; font-weight: 600; margin: 0 0 .2rem; color: var(--text); }
.notice-list p { font-size: 14px; color: var(--text-secondary); margin: 0; }

/* FAQ */
.faq-accordion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 1.5rem;
  align-items: start;
}
.faq-accordion .accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
  background: #fff;
  box-shadow: 0 6px 18px -14px rgba(13,71,124,.15);
}
.faq-accordion .accordion-button {
  position: relative;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 1.15rem 1.2rem;
  box-shadow: none;
  border: 0;
  transition: background .2s ease, color .2s ease;
}
.faq-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='none' stroke='%231267B2' stroke-width='2.4' stroke-linecap='round'%3e%3cpath d='M16 5v22M5 16h22'/%3e%3c/svg%3e");
  background-size: 18px 18px;
  width: 18px;
  height: 18px;
}
.faq-accordion .accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='none' stroke='%231267B2' stroke-width='2.4' stroke-linecap='round'%3e%3cpath d='M5 16h22'/%3e%3c/svg%3e");
  transform: rotate(0deg);
}
.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--primary-soft);
  color: var(--primary-dark);
}
.faq-accordion .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(18, 103, 178, .12);
}
.faq-accordion .accordion-body {
  padding: .2rem 1.2rem 1.2rem;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-left: 3px solid var(--primary);
}

/* 底部 CTA */
.cta-band {
  position: relative;
  padding: 70px 0;
  overflow: hidden;
  background: linear-gradient(120deg, #FFFFFF, var(--primary-soft), #DCEAF7);
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 360px;
  height: 260px;
  background:
    radial-gradient(circle at 20% 30%, transparent 0 10px, rgba(18,103,178,.08) 10px 11px, transparent 12px 24px),
    radial-gradient(circle at 60% 70%, transparent 0 10px, rgba(18,103,178,.08) 10px 11px, transparent 12px 24px);
  background-size: 90px 90px;
  opacity: .5;
}
.cta-box { position: relative; z-index: 2; max-width: 760px; }
.cta-box h2 { font-size: clamp(24px, 3.4vw, 38px); font-weight: 600; margin: 0 0 .8rem; color: var(--text); }
.cta-box p { font-size: 16px; color: var(--text-secondary); margin-bottom: 1.8rem; }
.btn-light-cta {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: var(--text);
  color: #fff;
  border: 0;
  box-shadow: 0 10px 20px -16px rgba(31,58,86,.5);
}
.btn-light-cta:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-light-cta .arr { transition: transform .2s ease; }
.btn-light-cta:hover .arr { transform: translateX(4px); }

/* 页脚 */
.site-footer { background: var(--navy); color: var(--navy-text); padding: 66px 0 0; position: relative; }
.site-footer::before {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1rem;
}
.footer__brand-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(15,217,210,.5);
  color: #fff;
  font: 700 10px/1 var(--font-num);
  box-shadow: 0 0 10px rgba(15,217,210,.14);
}
.footer__brand-mark::before { content: "hth"; }
.footer__brand-name { color: #fff; font-size: 18px; font-weight: 600; }
.footer__brand-meta {
  font-size: 11px;
  border: 1px solid rgba(184,207,227,.3);
  border-radius: var(--radius-pill);
  padding: .12rem .52rem;
  color: var(--navy-text);
}
.footer__desc { font-size: 14px; line-height: 1.8; color: var(--navy-text); max-width: 340px; margin-top: .8rem; }
.footer__title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 1rem;
  padding-bottom: .6rem;
  position: relative;
}
.footer__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--neon);
  border-radius: 3px;
}
.footer__nav { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.footer__nav a {
  color: var(--navy-text);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer__nav a:hover { color: var(--neon); padding-left: 5px; }
.footer__bottom {
  margin-top: 48px;
  border-top: 1px solid rgba(184,207,227,.15);
  padding: 1.2rem 0;
}
.footer__copyright { font-size: 13px; color: rgba(184,207,227,.6); margin: 0; text-align: center; }

/* 响应式 */
@media (min-width: 992px) {
  .site-nav__collapse { display: flex !important; flex-grow: 0; min-width: 0; }
  .site-nav__menu { flex-wrap: nowrap; }
}
@media (max-width: 991.98px) {
  body { padding-top: 0; }
  .site-nav { min-height: 64px; }
  .site-brand__text { font-size: 17px; }
  .site-nav__collapse {
    width: 100%;
    background: var(--navy);
    padding: 1rem 0 1.2rem;
    border-radius: 0;
  }
  .site-nav__menu { width: 100%; gap: .15rem; }
  .site-nav__link {
    padding: .85rem 1rem;
    border-left: 3px solid transparent;
  }
  .site-nav__link.active { border-left-color: var(--neon); background: rgba(15,217,210,.05); }
  @supports ( box-shadow: 0 0 0 rgba(0,0,0,0) ) {
    .site-nav__link.active::after { display: none; }
  }
  .site-nav__cta {
    margin: .9rem 1rem 0;
    width: calc(100% - 2rem);
  }
  .section-block { padding: 64px 0; }
  .category-lead { padding: 44px 0 36px; }
  .anchor-tabs__card { gap: .35rem; }
  .anchor-tab--primary { margin-left: 0; }
  .faq-accordion { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .section-block { padding: 56px 0; }
  .lead-title { font-size: 30px; }
  .lead-desc { font-size: 15px; }
  .site-brand__meta { display: none; }
  .site-brand__text { font-size: 17px; }
  .notice-body { padding: 1.4rem 1.2rem; }
  .notice-media { min-height: 200px; }
  .module-ticket__head { flex-direction: row; }
  .btn-plain { width: 100%; justify-content: center; }
  .anchor-tabs { margin-top: 8px; }
  .anchor-tabs__card {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding: .7rem;
  }
  .anchor-tab { white-space: nowrap; padding: .35rem .75rem; }
  .core-item { padding: .9rem .85rem; }
  .core-item__num { width: 40px; height: 40px; flex-basis: 40px; }
  .faq-accordion .accordion-button { font-size: 15px; padding: 1rem .9rem; }
  .cta-band { padding: 52px 0; }
  .footer__top { row-gap: 2rem; }
}
@media (max-width: 360px) {
  .site-brand__text { font-size: 15px; }
  .site-brand__mark { display: none; }
  .lead-crumb { font-size: 12px; }
  .section-title { font-size: 23px; }
}