/* roulang page: index */
:root {
  --bg-paper: #F6F1E8;
  --bg-night: #10152B;
  --panel-night: #1A2138;
  --ink: #25272E;
  --night-text: #D9E0F0;
  --muted: #6E7488;
  --star-gold: #E7AD57;
  --star-dark: #B8822F;
  --nebula: #7B5EA7;
  --text-error: #B3543E;
  --radius-card: 12px;
  --radius-panel: 14px;
  --radius-btn: 6px;
  --shadow-card: 0 12px 30px rgba(16,21,43,.06);
  --shadow-card-hover: 0 18px 42px rgba(16,21,43,.12);
  --shadow-night: 0 18px 48px rgba(0,0,0,.28);
  --section-space: 96px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font-family: inherit;
}
.container {
  max-width: 1200px;
}
body {
  padding-top: 82px;
}
@media (max-width: 991.98px) {
  body {
    padding-top: 72px;
  }
}

/* header / nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1080;
  background: var(--bg-night);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header .navbar {
  min-height: 82px;
  padding-top: 0;
  padding-bottom: 0;
  background: transparent;
}
.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: 2rem;
  padding-bottom: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(231,173,87,.14);
  color: var(--star-gold);
  font-size: 20px;
  flex: 0 0 auto;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-text strong {
  font-size: 17px;
  letter-spacing: .04em;
  color: #fff;
  font-weight: 700;
}
.brand-text small {
  font-size: 12px;
  color: var(--star-gold);
  font-weight: 500;
  letter-spacing: .16em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav .nav-link {
  display: inline-block;
  position: relative;
  padding: 30px 0 28px;
  color: var(--night-text) !important;
  font-size: 15px;
  font-weight: 500;
  background: transparent;
}
.site-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--star-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.site-nav .nav-link:hover,
.site-nav .nav-link:focus-visible,
.site-nav .nav-link.active {
  color: #fff !important;
}
.site-nav .nav-link:hover::after,
.site-nav .nav-link:focus-visible::after,
.site-nav .nav-link.active::after {
  transform: scaleX(1);
}
.navbar-toggler {
  border: 1px solid rgba(255,255,255,.24);
  color: var(--star-gold);
  padding: 8px 10px;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(231,173,87,.3);
}
.nav-cta-item {
  margin-left: 18px;
}
.navbar .btn-cta {
  padding: 10px 22px;
  font-weight: 600;
}

/* buttons */
.btn {
  border-radius: var(--radius-btn);
  transition: background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-primary {
  background: var(--star-gold);
  border: 1px solid var(--star-gold);
  color: #1B190F;
  font-weight: 600;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--star-dark);
  border-color: var(--star-dark);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(231,173,87,.3);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--star-dark) !important;
  border-color: var(--star-dark) !important;
  color: #fff !important;
  transform: translateY(0);
}
.btn-outline-night {
  background: transparent;
  border: 1px solid rgba(255,255,255,.6);
  color: #fff;
  font-weight: 500;
}
.btn-outline-night:hover,
.btn-outline-night:focus-visible {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,.2);
}
.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
}
.btn-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--star-dark);
  font-size: 15px;
  font-weight: 600;
  padding: 0;
  border: 0;
  background: transparent;
  transition: gap .2s ease, color .2s ease;
}
.btn-link-arrow:hover {
  color: var(--star-gold);
  gap: 12px;
}

/* section space */
.section {
  padding: var(--section-space) 0;
}
@media (max-width: 767.98px) {
  .section {
    padding: 64px 0;
  }
}
.section-eyebrow {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--star-dark);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 12px;
  letter-spacing: .01em;
}
.section-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 0;
}

/* hero */
.hero-section {
  position: relative;
  min-height: 82vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  background: var(--bg-night) url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  color: var(--night-text);
  padding: 96px 0 84px;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(98deg, rgba(5,8,18,.94) 18%, rgba(9,13,26,.76) 55%, rgba(16,21,43,.58) 100%);
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 80%, rgba(231,173,87,.13) 0%, transparent 28%),
              radial-gradient(circle at 85% 20%, rgba(123,94,167,.14) 0%, transparent 32%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  color: #E9D9B4;
  letter-spacing: .06em;
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--star-gold);
}
.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.hero-title .hero-sub-line {
  color: var(--star-gold);
}
.hero-desc {
  font-size: 18px;
  line-height: 1.75;
  color: #B9C1D4;
  max-width: 620px;
  margin-bottom: 24px;
}
.hero-note {
  font-size: 14px;
  color: #98A2B8;
  margin: 20px 0 0;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.hero-note i {
  color: var(--star-gold);
  margin-top: 3px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
@media (max-width: 767.98px) {
  .hero-section {
    min-height: 0;
    padding: 100px 0 120px;
    text-align: left;
    align-items: center;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-btns .btn {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
  }
}

/* pain point */
.pain-section {
  background: var(--bg-paper);
  position: relative;
}
.section-head-left .section-title {
  font-size: 34px;
  line-height: 1.45;
  margin-bottom: 16px;
}
.pain-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pain-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  border: 1px solid #EAE3D6;
  border-radius: var(--radius-card);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pain-card:hover {
  transform: translateY(-3px);
  background: #fffdfb;
  border-color: #D9C9AD;
  box-shadow: var(--shadow-card-hover);
}
.pain-card-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(231,173,87,.12);
  color: var(--star-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.pain-card-copy {
  flex: 1 1 auto;
}
.pain-card-copy h3 {
  font-size: 17px;
  font-weight: 650;
  line-height: 1.5;
  margin: 0 0 4px;
  color: var(--ink);
}
.pain-card-copy p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}
.pain-arrow {
  flex: 0 0 auto;
  color: #C7B493;
  font-size: 20px;
  font-weight: 300;
}
@media (max-width: 991.98px) {
  .section-head-left .section-title {
    font-size: 28px;
  }
  .pain-card {
    flex-wrap: wrap;
  }
}

/* solution */
.solution-section {
  background: linear-gradient(180deg, #F6F1E8 0%, #EDE4D3 100%);
}
.solution-head {
  margin-bottom: 44px;
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 24px;
}
.solution-card {
  background: linear-gradient(180deg, #fff 0%, #FCF7F0 100%);
  border: 1px solid #E6DED0;
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  position: relative;
  overflow: hidden;
}
.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: #D6C5A8;
}
.solution-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(123,94,167,.12);
  color: var(--nebula);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
}
.solution-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(231,173,87,.14);
  color: var(--star-dark);
  font-size: 18px;
  margin-bottom: 18px;
}
.solution-card h3 {
  font-size: 21px;
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 10px;
}
.solution-card p {
  color: #5A5E6C;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 18px;
}
.solution-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--star-dark);
  font-weight: 600;
  font-size: 15px;
}
.solution-card .card-link i {
  transition: transform .2s ease;
}
.solution-card:hover .card-link i {
  transform: translateX(3px);
}
.solution-card.featured-card {
  border: 1px solid var(--star-gold);
  background: linear-gradient(125deg, #fff 0%, #F7E6C8 100%);
  position: relative;
}
.solution-card.featured-card::after {
  content: "登录入口";
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--star-dark);
  border: 1px solid rgba(184,130,47,.35);
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.7);
}
.solution-card.featured-card::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 290px;
  height: 220px;
  background: url('/assets/images/coverpic/cover-3.webp') center center / cover no-repeat;
  opacity: .1;
  pointer-events: none;
  z-index: 0;
}
.solution-card.featured-card > * {
  position: relative;
  z-index: 1;
}
@media (max-width: 767.98px) {
  .solution-grid {
    grid-template-columns: 1fr;
  }
  .solution-card {
    padding: 24px;
  }
  .solution-card.featured-card::after {
    position: static;
    display: inline-block;
    margin-bottom: 8px;
  }
}

/* data section */
.data-section {
  background: var(--bg-night) url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: var(--section-space) 0;
  color: var(--night-text);
  position: relative;
}
.data-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(16,21,43,.88);
}
.data-section .container {
  position: relative;
  z-index: 1;
}
.data-title {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.data-desc {
  color: #AAB2C5;
  font-size: 16px;
  margin-bottom: 48px;
  max-width: 640px;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 32px;
  margin-bottom: 44px;
}
.data-item {
  border-left: 1px solid rgba(255,255,255,.12);
  padding-left: 22px;
}
.data-item:first-child {
  border-left: 0;
  padding-left: 0;
}
.stat-number {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--star-gold);
  letter-spacing: .01em;
}
.stat-number .unit {
  font-size: 16px;
  font-weight: 600;
  color: #D9E0F0;
  margin-left: 5px;
}
.stat-label {
  font-size: 14px;
  color: #98A2B8;
  margin-top: 6px;
  letter-spacing: .02em;
}
.data-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
@media (max-width: 991.98px) {
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
  }
  .data-item:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }
}
@media (max-width: 575.98px) {
  .data-grid {
    grid-template-columns: 1fr;
  }
  .data-item,
  .data-item:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }
  .stat-number {
    font-size: 40px;
  }
}

/* news section */
.news-section {
  background: var(--bg-paper);
}
.news-panel {
  background: #fff;
  border: 1px solid #E8E0D2;
  border-radius: var(--radius-panel);
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.news-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.news-list {
  margin: 0;
  padding: 0;
}
.news-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 6px;
  border-bottom: 1px solid #EEE7DB;
  transition: background .2s ease;
}
.news-list-item:last-child {
  border-bottom: 0;
}
.news-list-item:hover {
  background: #FDFAF4;
}
.news-list-index {
  font-size: 13px;
  font-weight: 600;
  color: #C0AC8C;
  line-height: 1.9;
  width: 28px;
  flex: 0 0 28px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.news-cat {
  font-size: 12px;
  background: rgba(123,94,167,.1);
  color: #6A4F98;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.news-date {
  font-size: 13px;
  color: var(--muted);
}
.news-list-title {
  font-size: 18px;
  font-weight: 650;
  line-height: 1.55;
  margin: 0 0 6px;
}
.news-list-title a {
  color: var(--ink);
  transition: color .2s ease;
}
.news-list-title a:hover {
  color: var(--star-dark);
}
.news-list-summary {
  margin: 0;
  font-size: 14px;
  color: #6B6F7C;
  line-height: 1.75;
  max-width: 700px;
}
.news-arrow {
  margin-left: auto;
  flex: 0 0 auto;
  margin-top: 4px;
  color: #CDBC9C;
  font-size: 18px;
  transition: transform .2s ease, color .2s ease;
}
.news-list-item:hover .news-arrow {
  color: var(--star-gold);
  transform: translateX(4px);
}
.guide-side-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #E8E0D2;
  background: #fff;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.guide-side-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.guide-side-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.guide-side-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-side-card-body h3 {
  font-size: 20px;
  font-weight: 650;
  line-height: 1.5;
  margin-bottom: 10px;
}
.guide-side-card-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
  margin-bottom: 18px;
}
.news-empty {
  padding: 64px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 16px;
}
.news-empty-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(231,173,87,.12);
  color: var(--star-gold);
  font-size: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

/* FAQ */
.faq-section {
  background: #F1EADC;
}
.faq-card {
  background: #fff;
  border: 1px solid #E7DFD2;
  border-radius: 14px;
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid #EAE2D6;
}
.faq-item:last-child {
  border-bottom: 0;
}
.faq-item .faq-question {
  margin: 0;
}
.faq-question .accordion-button {
  background: transparent;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  padding: 20px 12px;
  line-height: 1.6;
  border: 0;
  box-shadow: none;
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  border-radius: 0 !important;
}
.faq-question .accordion-button::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  font-size: 18px;
  color: var(--star-gold);
  transition: transform .2s ease;
}
.faq-question .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.faq-question .accordion-button:not(.collapsed) {
  color: var(--star-dark);
  background: transparent;
  box-shadow: none;
}
.faq-question .accordion-button:focus-visible {
  box-shadow: 0 0 0 3px rgba(231,173,87,.3);
}
.faq-answer {
  color: #565B69;
  font-size: 15px;
  line-height: 1.85;
  padding: 0 12px 20px;
}

/* CTA */
.cta-section {
  background: var(--bg-night) url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  position: relative;
  padding: var(--section-space) 0;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(16,21,43,.86);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
}
.cta-inner p.cta-desc {
  color: #AAB4C8;
  font-size: 16px;
  margin-bottom: 30px;
}
.cta-privacy {
  font-size: 13px;
  color: #8E98AC;
  margin-top: 16px;
  margin-bottom: 0;
}
.cta-privacy a {
  color: #C7B493;
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 767.98px) {
  .cta-inner h2 {
    font-size: 28px;
  }
}

/* footer */
.site-footer {
  background: var(--bg-night);
  color: #9AA2B6;
  padding: 60px 0 24px;
  font-size: 14px;
}
.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 26px;
}
.footer-brand h3 {
  font-size: 21px;
  color: #fff;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}
.footer-brand p {
  color: #8C95AA;
  line-height: 1.8;
  margin-bottom: 0;
}
.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-column ul li {
  margin-bottom: 9px;
}
.footer-column ul a {
  color: #9AA2B6;
  transition: color .2s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-column ul a i {
  font-size: 10px;
  color: var(--star-gold);
}
.footer-column ul a:hover {
  color: #fff;
}
.footer-mid {
  text-align: center;
  color: #7E889E;
  line-height: 1.8;
  font-size: 13px;
  margin-bottom: 16px;
}
.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: 22px;
  font-size: 13px;
  color: #767F94;
  letter-spacing: .02em;
}
@media (max-width: 767.98px) {
  .footer-brand h3 {
    font-size: 19px;
  }
  .footer-column {
    margin-bottom: 24px;
  }
}

/* modal custom */
.custom-modal .modal-content {
  background: var(--bg-paper);
  border: 0;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.36);
  overflow: hidden;
}
.custom-modal .modal-header {
  border-bottom: 1px solid #E7DFD2;
  padding: 22px 30px;
}
.custom-modal .modal-title {
  font-size: 22px;
  font-weight: 700;
}
.custom-modal .modal-body {
  padding: 30px;
}
.custom-modal .modal-content .btn-close {
  background: transparent;
  opacity: 1;
  font-size: 14px;
  color: var(--ink);
  position: relative;
}
.custom-modal .modal-content .btn-close::before {
  content: "\f00d";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}
.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-control {
  background: #fff;
  border: 1px solid #D8CFBF;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 15px;
  box-shadow: none;
  color: var(--ink);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--star-gold);
  box-shadow: 0 0 0 3px rgba(231,173,87,.18);
}
.form-control.is-invalid,
.was-validated .form-control:invalid {
  border-color: var(--text-error);
  background-image: none;
}
.form-control.is-invalid:focus,
.was-validated .form-control:invalid:focus {
  box-shadow: 0 0 0 3px rgba(179,84,62,.12);
}
.invalid-feedback {
  color: var(--text-error);
  font-size: 13px;
}
.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}
.consent-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  accent-color: var(--star-dark);
}
.consent-check a {
  color: var(--star-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.privacy-under-btn {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.privacy-under-btn a {
  color: var(--star-dark);
  text-decoration: underline;
}
.modal-success {
  text-align: center;
  padding: 32px 12px;
  display: none;
}
.modal-success .success-icon {
  width: 72px;
  height: 72px;
  border-radius: 24px;
  background: rgba(231,173,87,.16);
  color: var(--star-dark);
  font-size: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.modal-success h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}
.modal-success p {
  color: var(--muted);
  margin-bottom: 26px;
}
.modal-success .btn + .btn {
  margin-left: 10px;
}
.modal-dialog {
  max-width: 680px;
}
@media (max-width: 575.98px) {
  .custom-modal .modal-body {
    padding: 22px;
  }
  .modal-success .btn {
    width: 100%;
    margin-bottom: 8px;
  }
  .modal-success .btn + .btn {
    margin-left: 0;
  }
}

/* privacy modal */
.privacy-text {
  font-size: 14px;
  line-height: 1.9;
  color: #4D5260;
  max-height: 60vh;
  overflow-y: auto;
}
.privacy-text h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  margin-top: 18px;
}

/* reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* roulang page: article */
:root {
  --bg-paper: #F6F1E8;
  --bg-night: #10152B;
  --panel-night: #1A2138;
  --ink: #25272E;
  --night-text: #D9E0F0;
  --muted: #6E7488;
  --star-gold: #E7AD57;
  --star-dark: #B8822F;
  --nebula: #7B5EA7;
  --border-light: rgba(16, 21, 43, .08);
  --border-gold: rgba(231, 173, 87, .42);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 6px;
  --shadow-soft: 0 12px 30px rgba(16, 21, 43, .06);
  --shadow-night: 0 18px 48px rgba(0, 0, 0, .28);
  --section-space: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg-paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
}

p {
  margin: 0 0 24px;
}

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

a:hover {
  color: #8a5d1d;
}

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

button,
input {
  font-family: inherit;
}

.container,
.container-lg,
.container-fluid {
  max-width: 1200px;
}

:focus-visible {
  outline: 3px solid rgba(231, 173, 87, .4);
  outline-offset: 3px;
}

/* 全站按钮体系 */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .02em;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .6rem 1.45rem;
  border: 0;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-primary {
  background: var(--star-gold);
  color: #1a170f;
  box-shadow: 0 8px 22px rgba(231, 173, 87, .18);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--star-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(184, 130, 47, .24);
}

.btn-outline-light {
  background: transparent;
  color: var(--night-text);
  border: 1px solid rgba(255, 255, 255, .45);
  min-height: 46px;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
  transform: translateY(-2px);
}

.btn-line {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(16, 21, 43, .22);
}

.btn-line:hover {
  border-color: var(--star-dark);
  background: rgba(231, 173, 87, .08);
  color: var(--star-dark);
}

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1060;
  background: var(--bg-night);
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}

.site-header .navbar {
  min-height: 74px;
  padding: 10px 0;
  position: relative;
}

.site-header .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  margin-right: 30px;
}

.brand-icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-night);
  color: var(--star-gold);
  border: 1px solid rgba(231, 173, 87, .28);
  border-radius: 12px;
  font-size: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  color: #f4f1ea;
  font-size: 18px;
  letter-spacing: .03em;
}

.brand-text small {
  color: var(--star-gold);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
}

.site-nav {
  gap: 4px;
  align-items: center;
}

.site-nav .nav-link {
  color: rgba(217, 224, 240, .76);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 14px;
  position: relative;
  white-space: nowrap;
  transition: color .2s ease;
}

.site-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--star-gold);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}

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

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

.site-nav .nav-link.active {
  color: #fff;
}

.nav-cta-item {
  margin-left: 6px;
}

.site-header .btn-primary {
  min-height: 42px;
  padding: .5rem 1.15rem;
}

.navbar-toggler {
  border: 0;
  padding: 5px 10px;
  color: #fff;
  border-radius: var(--radius-sm);
}

.navbar-toggler span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(231, 173, 87, .42);
}

/* 文章主体 */
.article-main {
  background: var(--bg-paper);
  padding: 52px 0 40px;
  min-height: 52vh;
}

.article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumb-nav {
  margin-bottom: 34px;
}

.breadcrumb-nav ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb-nav li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.breadcrumb-nav li + li::before {
  content: "/";
  color: rgba(16, 21, 43, .26);
}

.breadcrumb-nav a {
  color: var(--muted);
  transition: color .2s;
}

.breadcrumb-nav a:hover {
  color: var(--star-dark);
}

.breadcrumb-nav .breadcrumb-current {
  color: #8a6a49;
  font-weight: 600;
  max-width: 480px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 文章卡片 */
.article-card {
  background: #fffcf6;
  border: 1px solid #ede3d5;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: clamp(28px, 6vw, 56px);
  margin-bottom: 52px;
}

.article-category {
  margin-bottom: 18px;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(231, 173, 87, .12);
  border: 1px solid rgba(184, 130, 47, .14);
  color: #8a6428;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}

.article-card h1 {
  font-size: clamp(30px, 4.6vw, 44px);
  line-height: 1.28;
  color: #24221d;
  margin-bottom: 22px;
  letter-spacing: .01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px dashed #dfd3c1;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 450;
}

.meta-item i {
  color: var(--star-dark);
  opacity: .85;
}

.article-body {
  font-size: 17px;
  color: #33302a;
  line-height: 1.92;
  word-wrap: break-word;
}

.article-body > *:last-child {
  margin-bottom: 0;
}

.article-body h2 {
  font-size: clamp(21px, 2.5vw, 28px);
  margin-top: 46px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eadfcf;
  color: #2b2925;
}

.article-body h3 {
  font-size: 20px;
  margin-top: 30px;
  margin-bottom: 14px;
  color: #45403a;
}

.article-body p {
  margin: 20px 0;
  line-height: 1.92;
}

.article-body a {
  color: #9c6a20;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body ul,
.article-body ol {
  padding-left: 1.3rem;
  margin: 20px 0;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body ul li::marker {
  color: var(--star-dark);
}

.article-body blockquote {
  margin: 28px 0;
  background: rgba(231, 173, 87, .1);
  border-left: 4px solid var(--star-gold);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  color: #514b40;
  font-weight: 500;
}

.article-body blockquote p:last-child {
  margin-bottom: 0;
}

.article-body img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  box-shadow: var(--shadow-soft);
}

.article-body figure {
  margin: 28px 0;
}

.article-body figcaption {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 15px;
}

.article-body th,
.article-body td {
  border: 1px solid #e8dccb;
  padding: 12px 14px;
  text-align: left;
}

.article-body th {
  background: #f4ebdd;
  font-weight: 650;
}

.article-body code {
  background: #efe6d8;
  border: 1px solid rgba(120, 80, 30, .08);
  color: #53463a;
  border-radius: 6px;
  font-family: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
  font-size: .9em;
  padding: .1em .45em;
}

.article-body hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid #e4d5c2;
}

/* 文章底部 */
.article-tools {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid #eee3d3;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.tag-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-right: 4px;
}

.tag-item {
  display: inline-block;
  background: rgba(16, 21, 43, .05);
  color: #5b574f;
  border: 1px solid rgba(16, 21, 43, .07);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  transition: background .2s, color .2s, border-color .2s;
}

.tag-item:hover {
  border-color: var(--star-dark);
  color: var(--star-dark);
  background: rgba(231, 173, 87, .08);
}

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

.article-actions .btn {
  min-height: 42px;
  padding: .5rem 1rem;
  font-size: 14px;
}

/* 未找到 */
.not-found-card {
  background: #fffcf6;
  border: 1px solid #ede3d5;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 72px 28px;
  text-align: center;
  margin-bottom: 52px;
}

.not-found-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 22px;
  background: var(--panel-night);
  color: var(--star-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
}

.not-found-card h1 {
  font-size: 30px;
  margin-bottom: 12px;
}

.not-found-card p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 26px;
  font-size: 15px;
}

.not-found-card .btn {
  min-width: 140px;
}

/* 支持速览条 */
.quick-help {
  position: relative;
  background-color: var(--bg-night);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  padding: 78px 0;
  color: var(--night-text);
}

.quick-help::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(12, 15, 31, .88);
  z-index: 0;
}

.quick-help .container {
  position: relative;
  z-index: 1;
}

.quick-help-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  max-width: 1080px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.quick-help-text {
  flex: 1 1 520px;
}

.quick-help-text .eyebrow {
  color: var(--star-gold);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
}

.quick-help-text h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 32px);
  margin: 8px 0 14px;
}

.quick-help-text p {
  margin: 0;
  color: rgba(217, 224, 240, .76);
  max-width: 680px;
  line-height: 1.8;
}

.quick-help-action {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

/* FAQ */
.faq-section {
  background: #faf5ee;
  padding: 96px 0 88px;
}

.faq-heading {
  max-width: 780px;
  margin: 0 auto 42px;
  text-align: center;
}

.faq-heading h2 {
  font-size: clamp(26px, 3vw, 34px);
  color: #24211c;
}

.faq-heading p {
  color: var(--muted);
  font-size: 16px;
  margin-top: 8px;
}

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

.faq-wrap .accordion-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid #e4d8c8;
}

.faq-wrap .accordion-button {
  background: transparent;
  box-shadow: none;
  font: 700 18px/1.5 "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  padding: 24px 48px 24px 4px;
  position: relative;
}

.faq-wrap .accordion-button:not(.collapsed) {
  color: var(--star-dark);
  background: transparent;
}

.faq-wrap .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  background-image: none;
  color: var(--star-dark);
}

.faq-wrap .accordion-button::after {
  width: 1.1rem;
  height: 1.1rem;
  margin-left: auto;
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  color: #7a746b;
  font-size: 16px;
  transition: transform .2s ease, color .2s ease;
}

.faq-wrap .accordion-body {
  background: #fffdf8;
  border-radius: 8px;
  padding: 14px 18px 20px;
  margin-bottom: 20px;
  color: #55504a;
  line-height: 1.85;
  font-size: 15px;
  border: 1px solid rgba(231, 173, 87, .12);
}

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

.faq-wrap .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(231, 173, 87, .35);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 结尾 CTA */
.final-cta {
  position: relative;
  padding: 92px 0;
  background-color: var(--bg-night);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  color: var(--night-text);
  text-align: center;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 13, 27, .9);
  z-index: 0;
}

.final-cta .cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.final-cta i {
  color: var(--star-gold);
}

.final-cta h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 16px;
}

.final-cta p {
  color: rgba(217, 224, 240, .8);
  margin-bottom: 30px;
}

.final-cta .btn-primary {
  min-width: 180px;
  min-height: 50px;
}

.privacy-line {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(217, 224, 240, .55);
}

/* 页脚 */
.site-footer {
  background: var(--bg-night);
  color: #9aa6be;
  padding: 72px 0 20px;
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.site-footer .footer-top {
  margin-bottom: 32px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  color: rgba(217, 224, 240, .64);
  font-size: 14px;
  max-width: 320px;
  line-height: 1.8;
  margin-bottom: 0;
}

.footer-column h4 {
  color: var(--star-gold);
  font-size: 15px;
  margin-bottom: 16px;
  letter-spacing: .03em;
}

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

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

.footer-column a {
  color: rgba(217, 224, 240, .7);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}

.footer-column a i {
  font-style: normal;
  font-weight: 700;
  opacity: .65;
  margin-right: 4px;
  transition: opacity .2s;
}

.footer-column a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-column a:hover i {
  opacity: 1;
}

.footer-mid {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  font-size: 13px;
  color: rgba(217, 224, 240, .52);
  margin-bottom: 22px;
  text-align: center;
}

.footer-bottom {
  font-size: 13px;
  color: rgba(217, 224, 240, .46);
  text-align: center;
  line-height: 1.8;
}

/* 响应式 */
@media (max-width: 991.98px) {
  .site-header .navbar-brand {
    margin-right: 0;
  }

  .site-header .navbar-collapse {
    background: #0c1121;
    border-top: 1px solid rgba(255, 255, 255, .06);
    margin-top: 12px;
    padding: 14px 0 24px;
    border-radius: 0 0 14px 14px;
  }

  .site-nav {
    align-items: stretch;
    gap: 0;
  }

  .site-nav .nav-link {
    padding: 13px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, .04);
    white-space: normal;
  }

  .site-nav .nav-link::after {
    left: 8px;
    right: auto;
    bottom: auto;
    top: 0;
    height: 100%;
    width: 2px;
    transform: scaleY(0);
    transform-origin: top;
  }

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

  .nav-cta-item {
    margin-left: 0;
    padding-top: 18px;
  }

  .nav-cta-item .btn {
    width: 100%;
  }

  .quick-help-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .faq-section,
  .final-cta {
    padding-top: 72px;
    padding-bottom: 72px;
  }
}

@media (max-width: 767.98px) {
  .article-main {
    padding: 36px 0 28px;
  }

  .article-container {
    padding: 0 18px;
  }

  .article-card {
    padding: 28px 22px;
    border-radius: 14px;
  }

  .quick-help {
    padding: 60px 0;
  }

  .article-tools {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-help-action .btn,
  .quick-help-action a {
    width: 100%;
  }

  .not-found-card {
    padding: 56px 20px;
  }
}

@media (max-width: 575.98px) {
  .brand-icon {
    width: 40px;
    height: 40px;
  }

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

  .brand-text small {
    font-size: 12px;
  }

  .site-header .navbar {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .article-meta {
    gap: 6px 14px;
  }

  .meta-item {
    font-size: 13px;
  }

  .faq-wrap .accordion-button {
    font-size: 16px;
    padding: 20px 40px 20px 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root {
  --bg-paper: #F6F1E8;
  --bg-night: #10152B;
  --bg-shade: #EFE9DE;
  --panel-night: #1A2138;
  --panel-night-2: #232C47;
  --ink: #25272E;
  --night-text: #D9E0F0;
  --muted: #6E7488;
  --star-gold: #E7AD57;
  --star-dark: #B8822F;
  --nebula: #7B5EA7;
  --border-soft: #EAE2D4;
  --border-night: rgba(217, 224, 240, .14);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-btn: 8px;
  --shadow-card: 0 12px 30px rgba(16, 21, 43, .06);
  --shadow-night: 0 18px 48px rgba(0, 0, 0, .28);
}

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

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg-paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
p { margin: 0; }
ul, ol { padding: 0; margin: 0; list-style: none; }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.35;
  color: var(--ink);
}

h1 { font-size: clamp(2.1rem, 4vw, 2.9rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 2.6vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.18rem; font-weight: 650; }

.container { max-width: 1200px; }

.section-pad { padding: 96px 0; }

.bg-shade { background: var(--bg-shade); }
.bg-night { background: var(--bg-night); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.section-head h2 {
  margin-top: 10px;
  margin-bottom: 8px;
  letter-spacing: .01em;
}

.section-head .section-desc { max-width: 720px; color: var(--muted); }
.section-head.compact { max-width: 860px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(123, 94, 167, .12);
  color: #5B4483;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}

.section-tag.light {
  background: rgba(231, 173, 87, .14);
  color: var(--star-gold);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.text-link i { color: var(--nebula); transition: transform .2s ease; }
.text-link:hover { color: var(--star-dark); border-color: var(--star-dark); }
.text-link:hover i { transform: translateX(4px); }

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: var(--bg-night);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
}

.navbar { padding: 14px 0; }

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  min-height: 48px;
}

.navbar-brand:hover { color: #fff; }

.brand-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--panel-night);
  color: var(--star-gold);
  font-size: 20px;
  border: 1px solid rgba(231, 173, 87, .28);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }

.brand-text strong {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
}

.brand-text small {
  font-size: 12px;
  color: rgba(217, 224, 240, .66);
  letter-spacing: .1em;
  margin-top: 2px;
}

.navbar-toggler {
  width: 46px;
  height: 44px;
  border: 1px solid rgba(217, 224, 240, .24);
  border-radius: 10px;
  background: var(--panel-night);
  color: #fff;
  font-size: 18px;
  padding: 0;
}

.navbar-toggler:focus { box-shadow: none; outline: 2px solid var(--star-gold); }

.site-nav .nav-link {
  display: inline-block;
  padding: 12px 4px;
  margin: 0 10px;
  color: rgba(217, 224, 240, .78);
  font-weight: 500;
  font-size: 16px;
  position: relative;
  border-bottom: 2px solid transparent;
}

.site-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--star-gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}

.site-nav .nav-link:hover {
  color: #fff;
}

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

.site-nav .nav-link.active {
  color: var(--star-gold);
}

.nav-cta-item { display: flex; align-items: center; margin-left: 14px; }

.btn-primary {
  --bs-btn-font-weight: 650;
  height: 46px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--star-gold);
  border-color: var(--star-gold);
  color: #1D1A14;
  border-radius: var(--radius-btn);
  font-size: 15px;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--star-dark);
  border-color: var(--star-dark);
  color: #fff;
  box-shadow: 0 0 0 .25rem rgba(231, 173, 87, .18);
}

.btn-gold {
  height: 50px;
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--star-gold);
  border: 1px solid var(--star-gold);
  color: #1D1A14;
  border-radius: var(--radius-btn);
  font-weight: 650;
  font-size: 16px;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn-gold:hover {
  background: var(--star-dark);
  border-color: var(--star-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
}

.btn-gold:focus-visible {
  outline: 3px solid rgba(231, 173, 87, .28);
  outline-offset: 2px;
}

.btn-light-line {
  height: 50px;
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--night-text);
  border: 1px solid rgba(217, 224, 240, .42);
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 16px;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.btn-light-line:hover {
  background: rgba(217, 224, 240, .1);
  border-color: var(--night-text);
  color: var(--star-gold);
  transform: translateY(-1px);
}

.btn-light-line:focus-visible {
  outline: 3px solid rgba(217, 224, 240, .18);
  outline-offset: 2px;
}

/* Breadcrumb inside hero */
.breadcrumb-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(217, 224, 240, .7);
  margin-bottom: 28px;
}

.breadcrumb-wrap a { color: rgba(217, 224, 240, .78); transition: color .2s ease; }
.breadcrumb-wrap a:hover { color: var(--star-gold); }

/* Page Hero */
.page-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  color: var(--night-text);
  padding: 108px 0 96px;
  background:
    radial-gradient(900px 360px at 82% -10%, rgba(123, 94, 167, .28), transparent 60%),
    radial-gradient(760px 380px at -10% 110%, rgba(231, 173, 87, .1), transparent 54%),
    linear-gradient(180deg, rgba(15, 19, 38, .78) 0%, rgba(16, 21, 43, .6) 46%, rgba(9, 12, 27, .94) 100%),
    url("/assets/images/backpic/back-1.webp") center 30% / cover no-repeat;
}

.page-hero .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--star-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-hero h1 {
  max-width: 960px;
  color: #fff;
  margin-bottom: 24px;
}

.page-hero .hero-lead {
  max-width: 720px;
  color: rgba(217, 224, 240, .86);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* 登录总览 */
.overview-info {
  background: var(--panel-night);
  border: 1px solid rgba(217, 224, 240, .08);
  border-radius: var(--radius-lg);
  color: var(--night-text);
  padding: 32px 30px;
  height: 100%;
  box-shadow: var(--shadow-night);
}

.overview-info .eyebrow { color: var(--star-gold); font-size: 14px; letter-spacing: .04em; }
.overview-info h3 { color: #fff; font-size: 20px; margin: 12px 0 24px; }

.role-rows { border-top: 1px solid var(--border-night); }

.role-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-night);
}

.role-item .role-dot {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(231, 173, 87, .14);
  color: var(--star-gold);
}

.role-item h4 { margin: 0; color: #fff; font-size: 16px; }
.role-item p { color: rgba(217, 224, 240, .68); font-size: 14px; margin-top: 3px; }

.stagger-row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
  align-items: stretch;
}

.stagger-col-5 { grid-column: span 5; }
.stagger-col-7 { grid-column: span 7; }

.stagger-col-7 { margin-top: 42px; }

.feature-card {
  background: #FFFDF8;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  height: 100%;
  overflow: hidden;
  transition: transform .24s ease, box-shadow .24s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(16, 21, 43, .09);
}

.feature-media { height: 240px; overflow: hidden; }

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .4s ease;
}

.feature-card:hover .feature-media img { transform: scale(1.02); }

.feature-body { padding: 28px; }

.feature-body h3 { font-size: 21px; margin-bottom: 12px; }
.feature-body p { color: var(--muted); font-size: 15px; line-height: 1.8; }

.feature-body .check-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 18px;
}

.check-item { color: var(--ink); font-size: 14px; font-weight: 600; }
.check-item i { margin-right: 5px; color: var(--star-dark); }

/* 业务入口路径表 */
.path-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border-soft);
}

.path-item {
  border-bottom: 1px solid var(--border-soft);
  padding: 30px 32px 32px 0;
}

.path-item:nth-child(odd) {
  border-right: 1px solid var(--border-soft);
  padding-right: 36px;
}

.path-item:nth-child(even) {
  padding-left: 36px;
}

.path-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(123, 94, 167, .12);
  color: #5B4483;
  font-size: 20px;
  margin-bottom: 16px;
}

.path-item:nth-child(2) .path-icon { background: rgba(231, 173, 87, .15); color: var(--star-dark); }
.path-item:nth-child(3) .path-icon { background: rgba(60, 130, 109, .12); color: #2E7D62; }
.path-item:nth-child(4) .path-icon { background: rgba(94, 111, 180, .12); color: #415AA6; }

.path-item h3 { font-size: 18px; margin-bottom: 6px; }
.path-item p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }

.path-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: #4F5261; }

.path-meta span { display: inline-flex; align-items: center; gap: 5px; }

.path-meta i { color: var(--nebula); font-size: 12px; }

.path-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #FCF8F0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--muted);
  font-size: 14px;
  margin-top: 36px;
}

.path-note i { color: var(--star-dark); }

/* 登录流程 */
.process-section {
  color: var(--night-text);
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(123, 94, 167, .26), transparent 58%),
    var(--bg-night);
}

.process-section h2,
.process-section h3 { color: #fff; }

.process-section .process-intro {
  color: rgba(217, 224, 240, .78);
  font-size: 15px;
  max-width: 720px;
  margin-top: 6px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 46px;
}

.process-card {
  background: var(--panel-night);
  border: 1px solid rgba(217, 224, 240, .1);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  min-height: 220px;
  transition: transform .22s ease, border-color .22s ease;
}

.process-card:hover {
  transform: translateY(-4px);
  border-color: rgba(231, 173, 87, .38);
}

.step-num {
  font-size: 14px;
  color: var(--star-gold);
  font-weight: 700;
  letter-spacing: .08em;
  display: block;
  margin-bottom: 18px;
}

.step-num::after {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  background: var(--star-gold);
  margin-top: 10px;
  opacity: .55;
}

.process-card h3 { font-size: 20px; margin-bottom: 10px; }
.process-card p { color: rgba(217, 224, 240, .72); font-size: 14px; line-height: 1.75; }

.process-tip {
  margin-top: 42px;
  padding: 18px 22px;
  border: 1px solid rgba(217, 224, 240, .14);
  border-left: 3px solid var(--star-gold);
  background: rgba(26, 33, 56, .7);
  border-radius: var(--radius);
  color: rgba(217, 224, 240, .86);
  font-size: 14px;
}

.process-tip strong {
  color: var(--star-gold);
  font-weight: 600;
}

/* FAQ */
.faq-section .section-head { margin-bottom: 36px; }

.faq-accordion { max-width: 920px; margin: 0 auto; }

.faq-accordion .accordion-item {
  background: #FFFDF8;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: 0 6px 14px rgba(16, 21, 43, .03);
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-accordion .accordion-button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: #FFFDF8;
  color: var(--ink);
  font-size: 17px;
  font-weight: 650;
  box-shadow: none;
  border-radius: var(--radius) !important;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--star-dark);
  background: #FFF6E8;
}

.faq-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 3px solid rgba(231, 173, 87, .18);
  outline-offset: -3px;
}

.faq-accordion .accordion-button::after {
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23826f50' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-size: contain;
  transition: transform .2s ease;
}

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

.faq-accordion .answer-label {
  color: var(--star-dark);
  font-weight: 700;
  margin-right: 4px;
}

.faq-accordion .accordion-body {
  padding: 4px 26px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.section-link-bottom {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* CTA 底部 */
.cta-section {
  color: var(--night-text);
  position: relative;
  background:
    radial-gradient(800px 380px at 15% 140%, rgba(231, 173, 87, .14), transparent 50%),
    var(--bg-night);
  text-align: center;
  padding: 92px 0;
}

.cta-inner { max-width: 820px; margin: 0 auto; }

.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(217, 224, 240, .82);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto 34px;
}

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

/* Footer */
.site-footer {
  background: #0C1124;
  color: var(--night-text);
  padding-top: 72px;
  font-size: 14px;
}

.footer-top {
  border-bottom: 1px solid rgba(217, 224, 240, .1);
  padding-bottom: 48px;
}

.footer-brand {
  padding-right: 26px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(217, 224, 240, .62);
  line-height: 1.8;
}

.footer-column h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-column h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--star-gold);
  opacity: .6;
}

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

.footer-column ul li a {
  color: rgba(217, 224, 240, .7);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-column ul li a i { font-style: normal; color: rgba(231, 173, 87, .6); margin-right: 6px; }
.footer-column ul li a:hover { color: var(--star-gold); padding-left: 4px; }

.footer-mid {
  padding: 30px 0;
  color: rgba(217, 224, 240, .52);
  font-size: 13px;
  text-align: center;
  border-bottom: 1px solid rgba(217, 224, 240, .08);
}

.footer-bottom {
  padding: 24px 0 34px;
  color: rgba(217, 224, 240, .44);
  font-size: 13px;
  text-align: center;
}

.footer-bottom a { color: rgba(217, 224, 240, .7); }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1199.98px) {
  .stagger-col-5,
  .stagger-col-7 { grid-column: span 6; }
  .stagger-col-7 { margin-top: 0; }
}

@media (max-width: 991.98px) {
  .section-pad { padding: 76px 0; }

  .navbar-collapse {
    background: var(--bg-night);
    border: 1px solid rgba(217, 224, 240, .1);
    border-radius: var(--radius);
    padding: 18px 20px 22px;
    margin-top: 14px;
    box-shadow: var(--shadow-night);
  }

  .site-nav .nav-link { display: inline-block; width: auto; padding: 9px 0; margin: 0; }

  .site-nav .nav-item { display: block; }

  .nav-cta-item {
    margin: 16px 0 0;
    display: block;
    width: 100%;
  }

  .nav-cta-item .btn-primary { width: 100%; }

  .stagger-row { display: block; }
  .stagger-col-5, .stagger-col-7 { width: 100%; }
  .stagger-col-7 { margin-top: 24px; }

  .process-grid { gap: 20px; }
  .cta-section { padding: 76px 0; }
}

@media (max-width: 767.98px) {
  .section-pad { padding: 64px 0; }
  .page-hero { min-height: 0; padding: 76px 0 62px; }
  .page-hero h1 { font-size: 34px; }
  .page-hero .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-gold, .btn-light-line { width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-head .text-link { margin-top: 0; }

  .path-grid { grid-template-columns: 1fr; }
  .path-item:nth-child(odd), .path-item:nth-child(even) { padding: 22px 0; border-right: 0; }
  .path-item { border-bottom: 1px solid var(--border-soft); }

  .process-grid { grid-template-columns: 1fr; }
  .process-card { min-height: 0; }
  .process-tip { margin-top: 24px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
}

@media (max-width: 575.98px) {
  .footer-brand { padding-right: 0; }
  .navbar-brand .brand-text strong { font-size: 16px; }
  .brand-text small { letter-spacing: .06em; }
}

/* roulang page: category3 */
:root {
            --bg-paper: #F6F1E8;
            --bg-night: #10152B;
            --panel-night: #1A2138;
            --ink: #25272E;
            --night-text: #D9E0F0;
            --muted: #6E7488;
            --star-gold: #E7AD57;
            --star-dark: #B8822F;
            --nebula: #7B5EA7;
            --line-light: rgba(255, 255, 255, .08);
            --line-dark: rgba(37, 39, 46, .1);
            --radius-card: 12px;
            --radius-panel: 14px;
            --radius-btn: 6px;
            --shadow-card: 0 12px 30px rgba(16, 21, 43, .06);
            --shadow-panel: 0 18px 48px rgba(0, 0, 0, .28);
            --section-space: 96px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            background: var(--bg-paper);
            color: var(--ink);
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink);
        }
        h1 {
            font-size: clamp(34px, 4.4vw, 50px);
            letter-spacing: .01em;
        }
        h2 {
            font-size: clamp(27px, 2.8vw, 34px);
            letter-spacing: .02em;
        }
        h3 {
            font-size: clamp(20px, 1.6vw, 23px);
            font-weight: 650;
        }
        p {
            margin: 0 0 1em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        ul,
        ol {
            padding-left: 1.2em;
        }
        .container {
            max-width: 1200px;
        }
        .section-block {
            padding: var(--section-space) 0;
        }
        .bg-paper {
            background: var(--bg-paper);
        }
        .bg-light-paper {
            background: #FCF9F2;
        }

        /* ===== 按钮体系 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: .7rem 1.5rem;
            transition: all .2s ease;
        }
        .btn-primary {
            background: var(--star-gold);
            border: 1px solid var(--star-gold);
            color: #181a20;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--star-dark);
            border-color: var(--star-dark);
            color: #fff;
            box-shadow: 0 0 0 .25rem rgba(231, 173, 87, .3);
        }
        .btn-outline-secondary {
            border: 1px solid rgba(255, 255, 255, .75);
            color: #fff;
        }
        .btn-outline-secondary:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
        }
        .btn-lg {
            padding: .85rem 1.8rem;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(231, 173, 87, .55);
            outline-offset: 2px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-night);
            position: sticky;
            top: 0;
            z-index: 1040;
            border-bottom: 1px solid var(--line-light);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 72px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            padding: 12px 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(231, 173, 87, .12);
            color: var(--star-gold);
            border-radius: 50%;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
            text-align: left;
        }
        .brand-text strong {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: .03em;
        }
        .brand-text small {
            color: #9AA4C0;
            font-size: 12px;
            letter-spacing: .05em;
        }
        .site-nav .nav-link {
            color: #C8CFE3;
            font-weight: 500;
            padding: 10px 18px;
            border-bottom: 2px solid transparent;
        }
        .site-nav .nav-link:hover {
            color: #fff;
            border-bottom-color: var(--star-gold);
        }
        .site-nav .nav-link.active {
            color: var(--star-gold);
            border-bottom-color: var(--star-gold);
        }
        .site-nav .nav-cta-item {
            display: flex;
            align-items: center;
            margin-left: 14px;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            padding: .35rem .65rem;
            border-radius: 8px;
        }
        .navbar-toggler:hover,
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--star-gold);
            color: var(--star-gold);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: var(--night-text);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(16, 21, 43, .92) 0%, rgba(16, 21, 43, .78) 55%, rgba(16, 21, 43, .62) 100%);
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
            padding: 110px 0 90px;
        }
        .hero-breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 24px;
            letter-spacing: .02em;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .72);
        }
        .hero-breadcrumb a:hover {
            color: var(--star-gold);
        }
        .hero-breadcrumb .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, .45);
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(231, 173, 87, .14);
            border-radius: 30px;
            padding: 6px 14px;
            color: var(--star-gold);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: .04em;
        }
        .category-hero h1 {
            color: #fff;
            max-width: 780px;
            margin-bottom: 20px;
        }
        .category-hero h1 .gold-line {
            color: var(--star-gold);
        }
        .hero-lead {
            font-size: 17px;
            color: #BEC7DE;
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            padding: 6px 14px;
            font-size: 13px;
            color: #C9D1E7;
        }
        .hero-badge i {
            color: var(--star-gold);
        }

        /* ===== 方案概览 ===== */
        .solution-intro {
            padding: 68px 0 20px;
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .small-label {
            font-size: 13px;
            letter-spacing: .16em;
            color: var(--nebula);
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 8px;
            display: inline-block;
        }
        .intro-wrap {
            background: #fffdfa;
            border: 1px solid rgba(37, 39, 46, .06);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 30px 36px;
            margin-bottom: 24px;
        }
        .intro-wrap .intro-title {
            font-size: 20px;
            font-weight: 650;
            margin-bottom: 10px;
        }
        .intro-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 18px 32px;
            margin: 18px 0 0;
        }
        .intro-list li {
            font-size: 14px;
            color: #4B4F5C;
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .intro-list li i {
            color: var(--star-dark);
        }

        /* ===== 交替方案区 ===== */
        .feature-alternate {
            padding-top: 48px;
            padding-bottom: 64px;
        }
        .feature-row {
            align-items: center;
            margin-bottom: 72px;
            background: transparent;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-visual {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
            background: #e9e2d4;
        }
        .feature-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }
        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(123, 94, 167, .1);
            color: #5a4282;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 13px;
            margin-bottom: 16px;
        }
        .feature-icon {
            color: var(--nebula);
            font-size: 20px;
        }
        .feature-info h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--ink);
        }
        .feature-info p {
            font-size: 16px;
            color: #474C59;
            margin-bottom: 18px;
        }
        .feature-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-points li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
            font-size: 15px;
            color: #3D414C;
        }
        .feature-points li::before {
            content: "✦";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--star-dark);
            font-size: 13px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            font-weight: 600;
            color: var(--star-dark);
        }
        .feature-link:hover {
            color: var(--star-dark);
            text-decoration: underline;
        }

        /* ===== 指标与稳定区 ===== */
        .stats-band {
            background: var(--bg-night);
            color: var(--night-text);
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(16, 21, 43, .93);
        }
        .stats-inner {
            position: relative;
            z-index: 2;
            padding: 90px 0;
        }
        .stats-heading {
            margin-bottom: 48px;
        }
        .stats-heading h2 {
            color: #fff;
        }
        .stats-heading p {
            color: #aeb7cc;
            max-width: 560px;
            margin-top: 16px;
            margin-bottom: 0;
        }
        .stat-item {
            padding: 18px 12px;
            border-left: 1px solid rgba(255, 255, 255, .1);
        }
        .stat-item:first-child {
            border-left: 0;
        }
        .stat-number {
            font-size: clamp(36px, 4vw, 52px);
            font-weight: 700;
            color: var(--star-gold);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 14px;
            color: #b8c1d6;
            margin-top: 8px;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--bg-paper);
        }
        .faq-title-wrap {
            margin-bottom: 40px;
        }
        .faq-title-wrap .small-label {
            color: var(--star-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .1em;
        }
        .accordion-item {
            border: 1px solid rgba(37, 39, 46, .08);
            border-radius: var(--radius-card) !important;
            background: #fffdf8;
            margin-bottom: 16px;
            overflow: hidden;
        }
        .accordion-button {
            font-size: 17px;
            font-weight: 650;
            padding: 20px 26px;
            background: #fffdf8;
            color: var(--ink);
            border: none;
            box-shadow: none !important;
        }
        .accordion-button::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            font-size: 14px;
            color: var(--star-dark);
            transform: rotate(0deg);
            transition: transform .2s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--star-dark);
        }
        .accordion-button:not(.collapsed) {
            color: var(--star-dark);
            background: #FFF7E8;
        }
        .accordion-body {
            padding: 20px 26px;
            color: #4a4f5d;
            font-size: 15px;
            border-top: 1px solid rgba(37, 39, 46, .04);
        }

        /* ===== CTA ===== */
        .cta-panel {
            background: var(--bg-night);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: center;
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(16, 21, 43, .88);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            padding: 88px 0 76px;
        }
        .cta-content h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: #B9C2D8;
            max-width: 610px;
            margin: 0 auto 26px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 下一分类 ===== */
        .next-category {
            background: #EDE5D6;
            text-align: center;
            padding: 38px 0;
            border-top: 1px solid rgba(37, 39, 46, .05);
        }
        .next-category a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--ink);
        }
        .next-category a:hover {
            color: var(--star-dark);
        }

        /* ===== Footer 沿用全站同一结构 ===== */
        .site-footer {
            background: var(--bg-night);
            color: var(--night-text);
            padding-top: 64px;
            font-size: 14px;
        }
        .footer-top {
            padding-bottom: 34px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: #8D96AF;
            max-width: 360px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-column h4 {
            color: var(--star-gold);
            font-size: 15px;
            letter-spacing: .03em;
            margin-bottom: 16px;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-column li {
            margin-bottom: 6px;
        }
        .footer-column a {
            color: #A8B1CA;
            font-size: 14px;
            transition: color .2s ease;
        }
        .footer-column a i {
            margin-right: 4px;
            color: rgba(255, 255, 255, .3);
        }
        .footer-column a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-mid {
            padding: 26px 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
            color: #7C86A1;
            text-align: center;
            line-height: 1.8;
        }
        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
            color: #5F6882;
            text-align: center;
            font-size: 13px;
        }
        .back-top {
            background: transparent;
            border: 0;
            color: rgba(255,255,255,.6);
            font-size: 13px;
            transition: color .2s;
        }
        .back-top:hover {
            color: var(--star-gold);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            :root {
                --section-space: 72px;
            }
            .site-nav .navbar-nav {
                padding: 12px 0;
            }
            .site-nav .nav-link {
                border-bottom: 0;
                padding: 7px 0;
            }
            .site-nav .nav-link.active::after {
                content: "";
                display: block;
                width: 100%;
                height: 2px;
                background: var(--star-gold);
            }
            .site-nav .nav-cta-item {
                margin-left: 0;
                margin-top: 12px;
            }
            .site-nav .nav-cta-item .btn {
                width: 100%;
            }
            .category-hero .hero-inner {
                padding: 90px 0 70px;
            }
            .feature-row {
                margin-bottom: 54px;
            }
            .feature-visual img {
                height: 240px;
            }
        }
        @media (max-width: 767.98px) {
            h1 {
                font-size: 34px;
            }
            h2 {
                font-size: 26px;
            }
            .section-block {
                padding: 60px 0;
            }
            .category-hero .hero-inner {
                padding: 72px 0 58px;
            }
            .intro-wrap {
                padding: 24px;
            }
            .feature-row {
                margin-bottom: 44px;
            }
            .feature-info h3 {
                margin-top: 16px;
            }
            .stats-inner {
                padding: 66px 0;
            }
            .stat-item {
                border-left: 0;
                padding: 12px 0;
                border-bottom: 1px solid rgba(255,255,255,.08);
            }
            .stat-item:last-child {
                border-bottom: 0;
            }
            .cta-content {
                padding: 62px 0 58px;
            }
            .hero-badges {
                gap: 8px;
                margin-top: 18px;
            }
            .hero-badge {
                font-size: 12px;
            }
            .footer-top {
                padding-bottom: 20px;
            }
        }
        @media (max-width: 575.98px) {
            .btn {
                width: 100%;
            }
            .cta-buttons {
                width: 100%;
                gap: 10px;
            }
            .btn-wrap-mobile {
                width: 100%;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-paper: #F6F1E8;
            --bg-soft: #EFE9DE;
            --bg-night: #10152B;
            --panel-night: #1A2138;
            --ink: #25272E;
            --night-text: #D9E0F0;
            --muted: #6E7488;
            --star-gold: #E7AD57;
            --star-dark: #B8822F;
            --nebula: #7B5EA7;
            --error: #B3543E;
            --border-light: #E2DACB;
            --radius-card: 12px;
            --radius-panel: 14px;
            --radius-btn: 6px;
            --shadow-card: 0 12px 30px rgba(16, 21, 43, .06);
            --shadow-panel: 0 18px 48px rgba(0, 0, 0, .28);
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", system-ui, -apple-system, sans-serif;
            background: var(--bg-paper);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }

        .container {
            max-width: var(--container-max);
        }

        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
        }

        h1 {
            font-size: 44px;
            letter-spacing: .01em;
        }

        h2 {
            font-size: 30px;
        }

        h3 {
            font-size: 20px;
            font-weight: 650;
        }

        p {
            line-height: 1.8;
            margin-top: 0;
        }

        /* Shared elements */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 12px 24px;
            font-size: 16px;
        }

        .btn-primary {
            background: var(--star-gold);
            border: 1px solid var(--star-gold);
            color: #181C2A;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--star-dark);
            border-color: var(--star-dark);
            color: #fff;
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(231, 173, 87, .22);
        }

        .btn-outline-secondary {
            border: 1px solid rgba(217, 224, 240, .55);
            color: var(--night-text);
            background: transparent;
        }

        .btn-outline-secondary:hover {
            background: rgba(217, 224, 240, .14);
            color: #fff;
            border-color: #fff;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-night);
            border-bottom: 1px solid rgba(217, 224, 240, .08);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

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

        .brand-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(231, 173, 87, .12);
            color: var(--star-gold);
            border: 1px solid rgba(231, 173, 87, .25);
            border-radius: 10px;
            font-size: 18px;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
            color: #fff;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
        }

        .brand-text small {
            font-size: 12px;
            color: rgba(217, 224, 240, .72);
            letter-spacing: .2em;
            margin-top: 2px;
        }

        .site-nav .nav-link {
            color: rgba(217, 224, 240, .86);
            font-weight: 500;
            padding: 10px 16px;
            position: relative;
            border-radius: 0;
            font-size: 15px;
        }

        .site-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--star-gold);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .22s ease;
        }

        .site-nav .nav-link:hover,
        .site-nav .nav-link:focus-visible {
            color: var(--star-gold);
            outline: none;
        }

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

        .site-nav .nav-link.active {
            color: var(--star-gold);
        }

        .nav-cta-item {
            margin-left: 16px;
        }

        .navbar-toggler {
            border: 1px solid rgba(217, 224, 240, .2);
            border-radius: 8px;
            background: transparent;
            color: #fff;
            width: 46px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            padding: 0;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(231, 173, 87, .22);
        }

        /* Page banner */
        .page-banner {
            position: relative;
            color: #fff;
            padding: 88px 0 104px;
            background:
                linear-gradient(180deg, rgba(16, 21, 43, .58), rgba(16, 21, 43, .82)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(231, 173, 87, .10), transparent 30%),
                radial-gradient(circle at 25% 85%, rgba(123, 94, 167, .18), transparent 32%);
            pointer-events: none;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 28px;
            color: rgba(217, 224, 240, .72);
            font-size: 14px;
        }

        .breadcrumb-nav a {
            color: rgba(217, 224, 240, .72);
        }

        .breadcrumb-nav a:hover {
            color: var(--star-gold);
        }

        .breadcrumb-nav .current {
            color: #fff;
        }

        .page-banner h1 {
            color: #fff;
            margin: 0 0 18px;
        }

        .banner-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--star-gold);
            font-size: 14px;
            letter-spacing: .04em;
            margin-bottom: 18px;
        }

        .banner-kicker i {
            color: var(--nebula);
        }

        .page-banner .lead {
            color: rgba(217, 224, 240, .92);
            max-width: 680px;
            margin-bottom: 32px;
            font-size: 17px;
            line-height: 1.9;
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }

        .section-pad {
            padding: 96px 0;
        }

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

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

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

        .section-kicker {
            color: var(--star-dark);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .06em;
            margin-bottom: 10px;
            display: block;
            text-transform: uppercase;
        }

        .section-title {
            margin-bottom: 14px;
            color: var(--ink);
        }

        .section-desc {
            color: var(--muted);
            margin-bottom: 40px;
            max-width: 780px;
        }

        /* Quick problem grid */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            border-top: 1px solid var(--border-light);
            border-left: 1px solid var(--border-light);
            margin-top: 18px;
        }

        .quick-item {
            padding: 34px 30px;
            border-right: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            background: transparent;
            transition: background .2s ease;
        }

        .quick-item:hover {
            background: rgba(255, 255, 255, .7);
        }

        .quick-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: var(--nebula);
            margin-bottom: 22px;
            font-size: 18px;
        }

        .quick-item:nth-child(2) .quick-icon {
            background: #5B8A94;
        }

        .quick-item:nth-child(3) .quick-icon {
            background: #9B7D46;
        }

        .quick-item:nth-child(4) .quick-icon {
            background: #B3543E;
        }

        .quick-item h3 {
            font-size: 20px;
            margin-bottom: 8px;
        }

        .quick-item p {
            color: var(--muted);
            margin-bottom: 18px;
            font-size: 15px;
            line-height: 1.7;
        }

        .quick-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--star-dark);
        }

        .quick-link i {
            transition: transform .2s ease;
        }

        .quick-link:hover {
            color: var(--star-dark);
        }

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

        /* FAQ section */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(16, 21, 43, .03);
        }

        .accordion-button {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #fff;
            color: var(--ink);
            font-size: 16px;
            font-weight: 600;
            padding: 22px 24px;
            box-shadow: none;
        }

        .accordion-button:hover {
            background: #FCF8F0;
        }

        .accordion-button:not(.collapsed) {
            background: #FDF7E9;
            color: var(--ink);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .accordion-button::after {
            width: 22px;
            height: 22px;
            background-size: 22px;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236E7488'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: transform .2s ease;
            margin-left: auto;
            order: 2;
        }

        .accordion-button:not(.collapsed)::after {
            filter: invert(61%) sepia(60%) saturate(382%) hue-rotate(356deg) brightness(88%) contrast(83%);
            transform: rotate(180deg);
        }

        .faq-tag {
            display: inline-block;
            flex-shrink: 0;
            font-size: 12px;
            line-height: 1;
            background: #F1E7D3;
            color: #94691E;
            border-radius: 32px;
            padding: 7px 11px;
            font-weight: 600;
            letter-spacing: .02em;
            margin-right: 2px;
        }

        .accordion-button h3 {
            font-size: 16px;
            font-weight: 650;
            margin-bottom: 0;
            color: var(--ink);
        }

        .accordion-body {
            padding: 6px 24px 24px 24px;
            color: #4A4D58;
        }

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

        /* Support form */
        .support-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            height: 100%;
            padding: 36px;
        }

        .support-card h3 {
            font-size: 24px;
            margin-bottom: 22px;
        }

        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
        }

        .form-control {
            background: #FFFDF8;
            border: 1px solid #D9D2C6;
            border-radius: 8px;
            padding: 12px 14px;
            color: var(--ink);
            line-height: 1.6;
        }

        .form-control:focus {
            background: #FFFDF8;
            border-color: var(--star-gold);
            box-shadow: 0 0 0 4px rgba(231, 173, 87, .14);
            color: var(--ink);
        }

        .form-control::placeholder {
            color: #B1AB9E;
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        .privacy-consent {
            margin: 6px 0 16px;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
        }

        .privacy-consent a {
            color: var(--ink);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .privacy-consent a:hover {
            color: var(--star-dark);
        }

        .form-feedback {
            width: 100%;
            margin-top: 10px;
            font-size: 14px;
            border-radius: 8px;
            padding: 10px 14px;
            display: none;
        }

        .form-feedback.error {
            color: var(--error);
            background: rgba(179, 84, 62, .08);
        }

        .support-success {
            text-align: center;
            padding: 54px 20px;
            display: none;
        }

        .support-success .success-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(231, 173, 87, .15);
            color: var(--star-dark);
            font-size: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
        }

        .support-success h3 {
            margin-bottom: 10px;
        }

        .support-success p {
            color: var(--muted);
            margin-bottom: 24px;
            max-width: 360px;
            margin-left: auto;
            margin-right: auto;
        }

        .contact-column {
            display: flex;
            flex-direction: column;
            gap: 22px;
            height: 100%;
        }

        .contact-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 230px;
            box-shadow: var(--shadow-card);
        }

        .contact-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .contact-card {
            background: var(--bg-night);
            border-radius: var(--radius-panel);
            padding: 32px;
            color: var(--night-text);
            box-shadow: var(--shadow-panel);
            border: 1px solid rgba(217, 224, 240, .06);
            flex: 1;
        }

        .contact-card h3 {
            color: #fff;
            font-size: 21px;
            margin-bottom: 18px;
        }

        .contact-line {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(217, 224, 240, .08);
            font-size: 15px;
            align-items: flex-start;
        }

        .contact-line:last-child {
            border-bottom: 0;
        }

        .contact-line i {
            color: var(--star-gold);
            width: 20px;
            margin-top: 5px;
            font-size: 15px;
        }

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

        .contact-line span {
            color: rgba(217, 224, 240, .78);
            line-height: 1.7;
        }

        /* CTA section */
        .cta-section {
            background:
                linear-gradient(180deg, rgba(16, 21, 43, .82), rgba(16, 21, 43, .96)),
                url('/assets/images/backpic/back-1.webp') center/cover;
            color: var(--night-text);
            padding: 96px 0;
            position: relative;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 34px;
            margin-bottom: 14px;
        }

        .cta-section .cta-lead {
            max-width: 620px;
            margin: 0 auto 34px;
            color: rgba(217, 224, 240, .86);
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-night);
            color: var(--night-text);
            padding-top: 84px;
            border-top: 1px solid rgba(217, 224, 240, .06);
        }

        .footer-top {
            padding-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand p {
            color: rgba(217, 224, 240, .64);
            font-size: 15px;
            max-width: 320px;
            margin-top: 16px;
        }

        .footer-column h4 {
            color: #fff;
            font-size: 15px;
            letter-spacing: .02em;
            margin-bottom: 20px;
        }

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

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

        .footer-column a {
            color: rgba(217, 224, 240, .66);
            font-size: 14px;
            display: inline-flex;
            gap: 6px;
        }

        .footer-column a i {
            color: var(--star-gold);
            opacity: .72;
            font-style: normal;
        }

        .footer-column a:hover {
            color: var(--star-gold);
        }

        .footer-mid {
            border-top: 1px solid rgba(217, 224, 240, .08);
            padding: 26px 0;
            color: rgba(217, 224, 240, .48);
            font-size: 14px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(217, 224, 240, .06);
            padding: 24px 0;
            color: rgba(217, 224, 240, .36);
            font-size: 13px;
            text-align: center;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-night);
                margin-top: 12px;
                padding: 12px 16px 18px;
                border: 1px solid rgba(217, 224, 240, .08);
                border-radius: 12px;
            }

            .site-nav .nav-link {
                border-bottom: 1px solid rgba(217, 224, 240, .06);
            }

            .site-nav .nav-link::after {
                display: none;
            }

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

            .nav-cta-item {
                margin: 16px 0 0;
            }

            .nav-cta-item .btn {
                display: block;
                text-align: center;
            }

            .page-banner {
                padding: 64px 0 76px;
            }

            h1 {
                font-size: 36px;
            }

            h2 {
                font-size: 27px;
            }

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

            .cta-section {
                padding: 72px 0;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }

            .page-banner {
                padding: 44px 0 58px;
            }

            .page-banner .lead {
                font-size: 15px;
            }

            .banner-actions .btn {
                width: 100%;
                margin-bottom: 6px;
            }

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

            .quick-item {
                padding: 24px 22px;
            }

            .support-card {
                padding: 24px;
            }

            .support-card h3 {
                font-size: 21px;
            }

            .faq-wrap {
                padding: 0 2px;
            }

            .accordion-button {
                padding: 18px 18px;
                gap: 8px;
                align-items: flex-start;
            }

            .accordion-button h3 {
                font-size: 15px;
                margin-top: 2px;
            }

            .faq-tag {
                width: auto;
                padding: 5px 9px;
                font-size: 11px;
            }

            .accordion-body {
                padding: 0 18px 20px;
            }

            .contact-card {
                padding: 24px;
            }
        }

        @media (max-width: 575px) {
            .container {
                --bs-gutter-x: 20px;
            }

            h1 {
                font-size: 32px;
            }

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

            .brand-text small {
                font-size: 11px;
            }

            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .footer-bottom {
                font-size: 12px;
                line-height: 1.8;
            }
        }

        @media (prefers-reduced-motion: no-preference) {
            .reveal {
                opacity: 0;
                animation: fadeUp .5s ease forwards;
            }

            .reveal:nth-of-type(1) {
                animation-delay: .06s;
            }

            .reveal:nth-of-type(2) {
                animation-delay: .12s;
            }

            .reveal:nth-of-type(3) {
                animation-delay: .18s;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
                scroll-behavior: auto !important;
            }
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category4 */
:root{
  --bg-paper:#F6F1E8;
  --bg-cream:#FBF7F0;
  --bg-night:#10152B;
  --panel-night:#1A2138;
  --ink:#25272E;
  --night-text:#D9E0F0;
  --muted:#6E7488;
  --star-gold:#E7AD57;
  --star-dark:#B8822F;
  --nebula:#7B5EA7;
  --error-red:#B3543E;
  --line-soft:rgba(16,21,43,.1);
  --line-night:rgba(217,224,240,.18);
  --radius-card:12px;
  --radius-panel:14px;
  --radius-btn:6px;
  --radius-input:8px;
  --shadow-card:0 12px 30px rgba(16,21,43,.06);
  --shadow-panel:0 18px 48px rgba(0,0,0,.28);
}
*{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  padding:0;
  color:var(--ink);
  background:var(--bg-paper);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  text-rendering:optimizeLegibility;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color .2s ease;
}
a:focus-visible,
button:focus-visible,
.btn:focus-visible{
  outline:3px solid rgba(231,173,87,.45);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:1200px;
  padding-left:18px;
  padding-right:18px;
}
.text-muted{
  color:var(--muted)!important;
}

/* ===== 深空导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--bg-night);
  border-bottom:1px solid rgba(217,224,240,.08);
  box-shadow:0 8px 24px rgba(0,0,0,.12);
}
.site-header .navbar{
  padding-top:12px;
  padding-bottom:12px;
}
.navbar-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:0;
  line-height:1.2;
}
.brand-icon{
  width:42px;
  height:42px;
  border-radius:50%;
  background:rgba(231,173,87,.16);
  border:1px solid rgba(231,173,87,.55);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--star-gold);
  flex:0 0 auto;
}
.brand-text{
  display:flex;
  flex-direction:column;
  color:#fff;
  letter-spacing:.04em;
}
.brand-text strong{
  font-size:19px;
  font-weight:700;
  color:var(--night-text);
}
.brand-text small{
  font-size:11px;
  color:var(--star-gold);
  letter-spacing:.1em;
  margin-top:2px;
  font-weight:400;
}
.navbar-toggler{
  border:1px solid rgba(217,224,240,.35);
  border-radius:8px;
  width:44px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
  padding:0;
}
.navbar-toggler:hover{
  border-color:var(--star-gold);
  color:var(--star-gold);
}
.site-nav{
  align-items:center;
  gap:6px;
}
.site-nav .nav-link{
  color:#B9C2D6;
  font-size:15px;
  font-weight:500;
  padding:10px 14px;
  position:relative;
  letter-spacing:.02em;
}
.site-nav .nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  background:var(--star-gold);
  border-radius:4px;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .2s ease, transform .2s ease;
}
.site-nav .nav-link:hover{
  color:#fff;
}
.site-nav .nav-link:hover::after,
.site-nav .nav-link.active::after{
  opacity:1;
  transform:translateY(0);
}
.site-nav .nav-link.active{
  color:#fff;
  font-weight:600;
}
.nav-cta-item{
  margin-left:10px;
}
.nav-cta-item .btn{
  min-width:112px;
}
.btn{
  border-radius:var(--radius-btn);
  font-weight:600;
  letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary,
.btn-primary.active,
.btn-primary.show,
.btn-primary:first-child:active{
  background:var(--star-gold);
  border-color:var(--star-gold);
  color:#1d1710;
}
.btn-primary:hover,
.btn-primary.active:hover,
.btn-primary:focus{
  background:var(--star-dark);
  border-color:var(--star-dark);
  color:#fff;
  box-shadow:0 0 0 .25rem rgba(231,173,87,.18);
}
.btn-outline-ghost{
  border:1px solid rgba(217,224,240,.45);
  color:var(--night-text);
  background:transparent;
}
.btn-outline-ghost:hover{
  border-color:var(--star-gold);
  color:var(--star-gold);
  background:rgba(231,173,87,.08);
}
.btn-lg{
  padding:12px 24px;
  font-size:16px;
}
@media(max-width:991.98px){
  .site-header .navbar-collapse{
    margin-top:14px;
    border-top:1px solid rgba(217,224,240,.12);
    padding-top:14px;
  }
  .site-nav{
    align-items:stretch;
  }
  .site-nav .nav-link{
    display:block;
  }
  .site-nav .nav-link::after{
    left:14px;
    right:auto;
    width:24px;
  }
  .nav-cta-item{
    margin:12px 0 4px;
  }
  .nav-cta-item .btn{
    width:100%;
  }
}

/* ===== 分类页 Hero ===== */
.category-hero{
  background-color:var(--bg-night);
  background-image:
    radial-gradient(circle at 72% 12%, rgba(231,173,87,.16), transparent 30%),
    radial-gradient(circle at 18% 78%, rgba(123,94,167,.2), transparent 32%),
    linear-gradient(180deg,rgba(10,12,24,.55),rgba(10,12,24,.78)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:var(--night-text);
  padding:86px 0 96px;
  border-bottom:1px solid rgba(231,173,87,.18);
}
.category-hero-inner{
  max-width:920px;
}
.cat-breadcrumb{
  display:inline-flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  list-style:none;
  margin:0 0 24px;
  padding:6px 14px;
  background:rgba(16,21,43,.42);
  border:1px solid rgba(217,224,240,.16);
  border-radius:999px;
  font-size:13px;
  color:#aeb6cb;
}
.cat-breadcrumb a{
  color:#aeb6cb;
  transition:color .2s ease;
}
.cat-breadcrumb a:hover{
  color:var(--star-gold);
}
.cat-breadcrumb .sep{
  color:rgba(217,224,240,.5);
}
.cat-breadcrumb .current{
  color:var(--star-gold);
}
.category-hero-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(231,173,87,.12);
  border:1px solid rgba(231,173,87,.38);
  color:var(--star-gold);
  border-radius:999px;
  padding:5px 14px;
  font-size:13px;
  letter-spacing:.05em;
}
.category-hero h1{
  margin:14px 0 16px;
  font-size:44px;
  line-height:1.25;
  color:#fff;
  font-weight:700;
  letter-spacing:.02em;
}
.category-hero .lead{
  font-size:17px;
  color:#ccd4e8;
  line-height:1.85;
  max-width:760px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
@media(max-width:767.98px){
  .category-hero{
    padding:60px 0 68px;
  }
  .category-hero h1{
    font-size:34px;
  }
  .category-hero .lead{
    font-size:15px;
  }
  .hero-actions .btn{
    width:100%;
  }
}

/* ===== 宽图视觉区 ===== */
.profile-visual-block{
  padding:80px 0 30px;
}
.profile-wide-visual{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  min-height:320px;
  max-height:430px;
  height:auto;
  box-shadow:var(--shadow-card);
}
.profile-wide-visual img{
  width:100%;
  height:100%;
  min-height:320px;
  object-fit:cover;
}
.profile-wide-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,21,43,.08) 20%,rgba(16,21,43,.88) 100%);
}
.profile-wide-caption{
  position:absolute;
  z-index:2;
  left:0;
  right:0;
  bottom:0;
  padding:28px 32px;
  color:#fff;
}
.profile-wide-caption h2{
  color:#fff;
  font-size:28px;
  font-weight:700;
  margin:0 0 6px;
  line-height:1.35;
}
.profile-wide-caption p{
  color:#d5dbea;
  margin:0;
  max-width:680px;
}
@media(max-width:767.98px){
  .profile-visual-block{
    padding-top:56px;
  }
  .profile-wide-caption{
    padding:20px;
  }
  .profile-wide-caption h2{
    font-size:21px;
  }
}

/* ===== 公共章节标题 ===== */
.section-block{
  padding:76px 0;
}
.section-block-sm{
  padding:56px 0;
}
.section-eye{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--star-dark);
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-title{
  font-size:31px;
  font-weight:700;
  color:var(--ink);
  line-height:1.35;
  margin:0 0 16px;
  letter-spacing:.015em;
}
.section-intro{
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
  max-width:760px;
  margin:0 0 32px;
}
.bg-stream{
  background:var(--bg-paper);
}
.bg-cream{
  background:var(--bg-cream);
  border-top:1px solid rgba(16,21,43,.04);
  border-bottom:1px solid rgba(16,21,43,.04);
}
@media(max-width:767.98px){
  .section-block{
    padding:56px 0;
  }
  .section-title{
    font-size:26px;
  }
}

/* ===== 单栏编辑内容 ===== */
.editorial-about{
  max-width:860px;
  margin:0 auto;
  color:var(--ink);
  font-size:16px;
  line-height:1.95;
}
.editorial-about p + p{
  margin-top:24px;
}
.editorial-about h3{
  font-size:22px;
  font-weight:650;
  margin:32px 0 14px;
  color:#1c1e26;
}
.editorial-quote{
  margin:32px 0 0;
  padding:22px 28px;
  border-left:4px solid var(--star-gold);
  background:rgba(231,173,87,.11);
  border-radius:0 12px 12px 0;
  font-size:17px;
  line-height:1.9;
  color:#3b3631;
}
.two-col-bullets{
  list-style:none;
  margin:28px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px 28px;
}
.two-col-bullets li{
  padding:14px 16px 14px 18px;
  background:#fff;
  border-left:3px solid var(--star-gold);
  border-radius:0 10px 10px 0;
  box-shadow:var(--shadow-card);
  font-size:15px;
}
.two-col-bullets li i{
  color:var(--star-dark);
  margin-right:8px;
  display:inline-block;
}
@media(max-width:767.98px){
  .two-col-bullets{
    grid-template-columns:1fr;
  }
}

/* ===== 公共索引 ===== */
.index-record-card{
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:22px 24px;
  height:100%;
  display:flex;
  align-items:flex-start;
  gap:16px;
  transition:transform .22s ease,border-color .2s ease,box-shadow .22s ease;
}
.index-record-card:hover{
  transform:translateY(-3px);
  border-color:rgba(231,173,87,.55);
  box-shadow:0 16px 34px rgba(16,21,43,.09);
}
.index-record-icon{
  flex:0 0 auto;
  width:48px;
  height:48px;
  border-radius:12px;
  background:rgba(123,94,167,.12);
  border:1px solid rgba(123,94,167,.28);
  color:var(--nebula);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.index-record-icon.gold{
  background:rgba(231,173,87,.16);
  border-color:rgba(231,173,87,.45);
  color:var(--star-dark);
}
.index-record-body h3{
  font-size:19px;
  font-weight:650;
  margin:0 0 6px;
  color:#25272e;
}
.index-record-body p{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
  margin:0 0 8px;
}
.index-record-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--star-dark);
}
.index-record-card:hover .index-record-link{
  gap:10px;
  color:var(--star-dark);
}
.index-record-link i{
  transition:transform .2s ease;
}
.index-record-card:hover .index-record-link i{
  transform:translateX(3px);
}

/* ===== 维护与公告 ===== */
.maintenance-list{
  display:grid;
  gap:16px;
}
.maintenance-item{
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line-soft);
  border-left:3px solid var(--star-gold);
  border-radius:0 12px 12px 0;
  padding:18px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.maintenance-item:hover{
  transform:translateX(4px);
  border-left-color:var(--nebula);
}
.maintenance-item-title{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:6px;
}
.maintenance-item-title i{
  color:var(--star-dark);
}
.maintenance-item-title h3{
  font-size:18px;
  font-weight:650;
  margin:0;
}
.maintenance-item p{
  color:var(--muted);
  font-size:15px;
  margin:0;
}

/* ===== 联系与服务时段 ===== */
.contact-panel-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:stretch;
}
.contact-dark-card,
.contact-light-card{
  border-radius:16px;
  padding:30px 34px;
}
.contact-dark-card{
  background:var(--bg-night);
  color:var(--night-text);
  box-shadow:var(--shadow-panel);
}
.contact-dark-card h3{
  color:#fff;
  font-size:23px;
  font-weight:700;
  margin:0 0 8px;
}
.contact-dark-card .muted-side{
  color:#aeb6cb;
  font-size:15px;
}
.contact-list{
  list-style:none;
  margin:22px 0 0;
  padding:0;
}
.contact-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px solid rgba(217,224,240,.12);
}
.contact-list li:last-child{
  border-bottom:none;
}
.contact-list i{
  color:var(--star-gold);
  margin-top:4px;
}
.contact-list strong{
  display:block;
  color:#e6eaf5;
  font-size:15px;
}
.contact-list span{
  color:#aeb6cb;
  font-size:14px;
  line-height:1.6;
}
.contact-light-card{
  background:#fff;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
}
.contact-light-card h3{
  font-size:23px;
  font-weight:700;
  color:var(--ink);
  margin:0 0 18px;
}
.step-mini{
  display:flex;
  gap:16px;
  padding:16px 0;
  border-bottom:1px dashed rgba(16,21,43,.12);
}
.step-mini:last-child{
  border-bottom:none;
  padding-bottom:0;
}
.step-num{
  flex:0 0 auto;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid rgba(231,173,87,.55);
  background:rgba(231,173,87,.13);
  color:var(--star-dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:16px;
}
.step-mini h4{
  font-size:16px;
  font-weight:650;
  margin:0 0 4px;
  color:#20222a;
}
.step-mini p{
  font-size:14px;
  color:var(--muted);
  margin:0;
  line-height:1.7;
}
@media(max-width:991.98px){
  .contact-panel-grid{
    grid-template-columns:1fr;
  }
}

/* ===== FAQ 手风琴 ===== */
.faq-panel{
  border:1px solid var(--line-soft);
  border-radius:14px;
  background:#fff;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-panel .accordion-item{
  border:none;
  background:transparent;
}
.faq-panel .accordion-item + .accordion-item{
  border-top:1px solid var(--line-soft);
}
.accordion-button{
  background:transparent;
  box-shadow:none;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  padding:22px 28px;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed){
  color:var(--star-dark);
}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  color:var(--star-dark);
  font-size:15px;
  width:auto;
  height:auto;
  display:inline-flex;
  align-items:center;
  transform:none;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  color:var(--star-dark);
}
.accordion-button:focus{
  box-shadow:none;
  outline:3px solid rgba(231,173,87,.25);
}
.accordion-body{
  padding:0 28px 26px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
  background:transparent;
  max-width:860px;
}

/* ===== 底部 CTA ===== */
.final-cta{
  background-color:var(--bg-night);
  background-image:
    radial-gradient(circle at 78% 20%, rgba(231,173,87,.13), transparent 28%),
    radial-gradient(circle at 15% 85%, rgba(123,94,167,.21), transparent 30%);
  color:var(--night-text);
  text-align:center;
  padding:86px 0 76px;
  border-top:1px solid rgba(231,173,87,.22);
}
.final-cta h2{
  color:#fff;
  font-size:32px;
  font-weight:700;
  margin:0 0 14px;
  line-height:1.35;
}
.final-cta p{
  color:#c4cce0;
  font-size:16px;
  max-width:620px;
  margin:0 auto 30px;
}
.cta-btn-group{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
}
@media(max-width:575.98px){
  .cta-btn-group .btn{
    width:100%;
  }
  .final-cta{
    padding:64px 0 60px;
  }
  .final-cta h2{
    font-size:26px;
  }
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-night);
  color:#b7bfd3;
  padding:72px 0 0;
  border-top:1px solid rgba(231,173,87,.22);
}
.site-footer h3{
  color:#fff;
  font-size:22px;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.site-footer .footer-brand p{
  color:#aab2c9;
  font-size:14px;
  line-height:1.85;
  margin-bottom:0;
}
.footer-column{
  margin-bottom:20px;
}
.site-footer h4{
  color:var(--star-gold);
  font-size:15px;
  font-weight:650;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.site-footer ul{
  list-style:none;
  padding:0;
  margin:0;
}
.site-footer ul li{
  margin-bottom:11px;
}
.site-footer ul li a{
  color:#bac3d8;
  font-size:14px;
  line-height:1.7;
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer ul li a:hover{
  color:#fff;
  padding-left:3px;
}
.site-footer ul li a i{
  margin-right:6px;
  color:var(--star-gold);
  font-style:normal;
  font-size:15px;
}
.footer-top{
  padding-bottom:42px;
  border-bottom:1px solid rgba(217,224,240,.1);
}
.footer-mid{
  padding:24px 0;
  text-align:center;
  color:#9aa3ba;
  font-size:14px;
  line-height:1.8;
  border-bottom:1px solid rgba(217,224,240,.08);
}
.footer-bottom{
  padding:20px 0 24px;
  color:#8f98af;
  font-size:13px;
  text-align:center;
  display:flex;
  flex-direction:column;
  gap:4px;
}

/* ===== 登顶链接 / 动效 ===== */
.back-to-top{
  display:inline-flex;
  color:var(--star-dark);
  font-size:14px;
  font-weight:600;
  gap:6px;
  transition:color .2s ease,transform .2s ease;
}
.back-to-top:hover{
  color:var(--star-dark);
  transform:translateY(-2px);
}
@media(prefers-reduced-motion:no-preference){
  .profile-wide-visual,
  .index-record-card,
  .maintenance-item,
  .contact-dark-card,
  .contact-light-card{
    animation:softUp .6s ease both;
  }
}
@keyframes softUp{
  from{
    opacity:0;
    transform:translateY(14px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}
@media(prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important;
  }
}