/* roulang page: index */
:root {
  --kx-primary: #0D7A6F;
  --kx-primary-light: #65C4B8;
  --kx-primary-weak: #E1F4F2;
  --kx-accent: #F0A03D;
  --kx-accent-deep: #D97E1E;
  --kx-ink: #1F2E36;
  --kx-text: #3E4D56;
  --kx-muted: #6B7B82;
  --kx-bg: #F7FAF9;
  --kx-bg-soft: #EEF7F5;
  --kx-border: #E3ECEA;
  --kx-gradient-main: linear-gradient(135deg, #0B3E3C 0%, #0D6A58 55%, #118F86 100%);
  --kx-round-sm: 10px;
  --kx-round-md: 16px;
  --kx-round-lg: 24px;
  --kx-round-pill: 999px;
  --kx-shadow: 0 12px 32px rgba(21, 56, 60, .08);
  --kx-shadow-hover: 0 18px 40px rgba(21, 56, 60, .16);
  --bs-primary: #0D7A6F;
  --bs-primary-rgb: 13,122,111;
  --bs-link-color: #0D7A6F;
  --bs-link-hover-color: #0A5E56;
  --bs-btn-bg: #0D7A6F;
  --bs-btn-border-color: #0D7A6F;
  --bs-btn-hover-bg: #0A5E56;
  --bs-btn-hover-border-color: #0A5E56;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: var(--kx-bg);
  color: var(--kx-text);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--kx-ink); line-height: 1.35; margin-top: 0; }
p { margin-top: 0; }
a { color: var(--kx-primary); text-decoration: none; transition: color .2s ease, background .2s ease, border .2s ease, box-shadow .2s ease; }
a:hover { color: var(--kx-accent-deep); }
img { max-width: 100%; height: auto; }
ul, ol { padding-left: 0; margin-bottom: 0; list-style: none; }
.btn {
  border-radius: var(--kx-round-pill);
  border: 1px solid transparent;
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.4;
  padding: .65rem 1.35rem;
  transition: all .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--kx-shadow-hover); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn:focus-visible { outline: 3px solid rgba(13, 122, 111, .35); outline-offset: 2px; }
.btn-kx-accent {
  background: linear-gradient(135deg, #F5A63F, #E88A1F);
  border-color: transparent;
  color: #fff !important;
}
.btn-kx-accent:hover { background: linear-gradient(135deg, #F8B45E, #ED9638); color: #fff !important; }
.btn-kx-primary {
  background: var(--kx-primary);
  border-color: var(--kx-primary);
  color: #fff !important;
}
.btn-kx-primary:hover { background: #0A5E56; border-color: #0A5E56; color: #fff !important; }
.btn-kx-light {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .56);
  color: #fff !important;
  backdrop-filter: blur(4px);
}
.btn-kx-light:hover { background: rgba(255, 255, 255, .26); color: #fff !important; }
.form-control {
  border: 1.5px solid #DCE6E4;
  border-radius: var(--kx-round-sm);
  padding: .7rem 1rem;
  min-height: 48px;
  font-size: 1rem;
  color: var(--kx-ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-control::placeholder { color: #9AA7AE; }
.form-control:focus {
  border-color: var(--kx-primary-light);
  box-shadow: 0 0 0 .2rem rgba(13, 122, 111, .12);
}
.kx-container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.kx-section { padding-top: 96px; padding-bottom: 96px; }
.kx-section-tight { padding-top: 56px; padding-bottom: 56px; }
.kx-section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: .75rem;
  letter-spacing: -.01em;
}
.kx-section-sub { font-size: 1.0625rem; color: var(--kx-muted); max-width: 680px; }
.kx-tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--kx-primary-weak);
  color: var(--kx-primary);
  border: 1px solid rgba(101, 196, 184, .35);
  font-size: .8125rem;
  font-weight: 600;
  padding: .25rem .85rem;
  border-radius: var(--kx-round-pill);
}
.kx-divider { height: 1px; background: var(--kx-border); border: 0; margin: 0; }

/* ===== Header ===== */
.kx-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(247, 250, 249, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 236, 234, .9);
  box-shadow: 0 6px 24px rgba(21, 56, 60, .04);
}
.kx-header .navbar { padding: 0; min-height: 72px; }
.kx-header .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--kx-ink);
  letter-spacing: -.01em;
  max-width: 260px;
}
.kx-header .navbar-brand i {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--kx-gradient-main);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px rgba(13, 122, 111, .24);
}
.kx-header .navbar-nav { gap: .15rem; }
.kx-header .nav-link {
  color: var(--kx-text);
  font-weight: 500;
  font-size: .96rem;
  padding: .5rem .95rem;
  border-radius: var(--kx-round-pill);
  position: relative;
}
.kx-header .nav-link:hover { color: var(--kx-primary); background: var(--kx-primary-weak); }
.kx-header .nav-link.active { color: var(--kx-primary); font-weight: 600; background: rgba(13, 122, 111, .08); }
.kx-header .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: .2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 4px;
  background: var(--kx-accent);
}
.kx-header .navbar-toggler {
  border: 1px solid var(--kx-border);
  height: 44px;
  width: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--kx-primary);
  font-size: 1.2rem;
  background: rgba(255, 255, 255, .7);
  box-shadow: none;
}
.kx-header .navbar-toggler:hover { border-color: var(--kx-primary-light); }
.kx-nav-cta {
  margin-left: .5rem;
  background: linear-gradient(135deg, #F0A03D, #E8891E);
  color: #fff;
  font-weight: 600;
  border: none;
  padding: .55rem 1.2rem;
}
.kx-nav-cta:hover { color: #fff; }
@media (max-width: 991.98px) {
  .kx-header .navbar-collapse {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    width: min(320px, 86%);
    background: #fff;
    padding: 28px 20px 36px;
    box-shadow: -16px 4px 44px rgba(21, 56, 60, .16);
    transform: translateX(105%);
    transition: transform .28s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border-radius: 20px 0 0 20px;
    z-index: 1050;
  }
  .kx-header .navbar-collapse.show { transform: translateX(0); }
  .kx-header .navbar-nav { width: 100%; flex-direction: column; gap: .6rem; }
  .kx-header .nav-item { width: 100%; }
  .kx-header .nav-link { padding: .65rem .9rem; display: block; }
  .kx-header .nav-link.active::after { left: 0; transform: none; width: 22px; bottom: .3rem; }
  .kx-nav-cta { margin-left: 0; margin-top: 1.1rem; width: 100%; text-align: center; }
}

/* ===== Countdown ===== */
.kx-countdown-bar {
  background: linear-gradient(135deg, #173A3E, #0E5552);
  color: #fff;
  padding: .55rem 0;
  font-size: .9rem;
}
.kx-countdown-bar .countdown-inner { display: flex; align-items: center; justify-content: center; gap: .8rem; flex-wrap: wrap; }
.kx-countdown-bar .cd-label { color: rgba(255, 255, 255, .92); }
.kx-countdown-bar .cd-num {
  font-family: "Segoe UI", "DIN Alternate", sans-serif;
  font-weight: 700;
  color: #FFC766;
  background: rgba(0, 0, 0, .22);
  padding: .08rem .55rem;
  border-radius: 8px;
  letter-spacing: .04em;
}
.kx-countdown-bar .cd-link {
  color: #FFD893;
  border-bottom: 1px solid rgba(255, 200, 100, .6);
  margin-left: .4rem;
}
@media (max-width: 575.98px){
  .kx-countdown-bar { font-size: .83rem; padding: .45rem 0; }
  .kx-countdown-bar .countdown-inner { gap: .45rem; }
  .kx-countdown-bar .cd-link { display: block; margin: .2rem 0 0; }
}

/* ===== Hero ===== */
.hero-block {
  background: linear-gradient(135deg, rgba(11, 62, 60, .94), rgba(13, 106, 88, .88) 60%, rgba(17, 143, 134, .76)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #fff;
  padding: 76px 0 84px;
  position: relative;
  overflow: hidden;
}
.hero-block::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(255, 210, 140, .2) 0%, rgba(255, 210, 140, 0) 70%);
  pointer-events: none;
}
.hero-title {
  font-size: clamp(2.05rem, 4.5vw, 3.3rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  letter-spacing: -.02em;
  max-width: 720px;
  margin-bottom: 1.15rem;
}
.hero-title .text-gradient {
  background: linear-gradient(100deg, #FFD48A, #FFBA5A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.9;
  color: rgba(255, 255, 255, .9);
  max-width: 640px;
  margin-bottom: 1.6rem;
}
.hero-actions { display: flex; gap: .85rem; flex-wrap: wrap; margin-bottom: 2rem; position: relative; z-index: 2; }
.hero-preview {
  position: relative;
  z-index: 2;
  border-radius: 24px;
  background: rgba(255, 255, 255, .13);
  border: 1px solid rgba(255, 255, 255, .3);
  padding: .75rem;
  backdrop-filter: blur(6px);
  box-shadow: 0 22px 44px rgba(0, 0, 0, .22);
}
.hero-preview img { border-radius: 18px; width: 100%; object-fit: cover; aspect-ratio: 16 / 10; display: block; }
.hero-preview .preview-meta { display: flex; justify-content: space-between; padding: .85rem 1rem .25rem; color: rgba(255, 255, 255, .92); font-size: .95rem; }
.hero-badges { display: flex; gap: .6rem; flex-wrap: wrap; position: relative; z-index: 2; }
.hero-badges .data-badge {
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 50px;
  padding: .45rem 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: #fff;
  font-size: .9rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.hero-badges .data-badge strong { font-size: 1.15rem; font-weight: 800; color: #FFD893; }
.hero-badges .data-badge i { color: #FFD893; font-size: .9rem; }
@media (max-width: 991.98px) {
  .hero-block { padding: 50px 0 56px; }
  .hero-preview { margin-top: 2.2rem; }
}
@media (max-width: 575.98px) {
  .hero-block { padding: 38px 0 46px; }
  .hero-title { font-size: 2rem; }
  .hero-actions .btn { width: 100%; }
}

/* ===== Section badges ===== */
.kx-section-head { margin-bottom: 2.5rem; }
.kx-kicker {
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--kx-primary);
  background: var(--kx-primary-weak);
  display: inline-block;
  padding: .35rem 1rem;
  border-radius: 50px;
  margin-bottom: .7rem;
}

/* ===== Promo Cards ===== */
.promo-cards { background: #fff; }
.feature-card {
  border-radius: var(--kx-round-lg);
  background: var(--kx-bg-soft);
  border: 1px solid rgba(101, 196, 184, .24);
  overflow: hidden;
  position: relative;
  box-shadow: 0 6px 20px rgba(21, 56, 60, .04);
  transition: box-shadow .25s ease, transform .25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.feature-card:hover { box-shadow: var(--kx-shadow-hover); transform: translateY(-4px); }
.feature-card .fc-img { overflow: hidden; position: relative; }
.feature-card .fc-img img { width: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.feature-card:hover .fc-img img { transform: scale(1.03); }
.feature-card .fc-body { padding: 1.8rem 1.8rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.feature-card .fc-num { font-size: .9rem; color: var(--kx-primary); font-weight: 800; letter-spacing: .05em; margin-bottom: .15rem; }
.feature-card h3 { font-size: 1.4rem; margin-bottom: .5rem; }
.feature-card p { color: var(--kx-muted); font-size: .98rem; flex-grow: 1; }
.feature-card .fc-meta { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.fc-link { margin-top: 1.2rem; font-weight: 600; display: inline-flex; align-items: center; gap: .4rem; }
.feature-card--lg .fc-img img { aspect-ratio: 16 / 9; }
.feature-card--sm { background: #fff; border-color: var(--kx-border); }
.feature-card--sm .fc-body { padding: 1.5rem; }
.feature-card--sm h3 { font-size: 1.15rem; }
.feature-card--sm .fc-data {
  font-family: "Segoe UI", sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--kx-primary);
  line-height: 1.2;
}
.feature-card--sm .fc-data small { font-size: .8rem; color: var(--kx-muted); font-weight: 500; margin-left: .2rem; }
@media (max-width: 767.98px){
  .promo-cards .row > [class*=col-] { margin-bottom: 1rem; }
}

/* ===== Steps ===== */
.kx-step-list { width: 100%; margin-top: .9rem; }
.kx-step-list li { display: flex; gap: .7rem; align-items: flex-start; padding: .4rem 0; color: var(--kx-text); }
.kx-step-list li i { margin-top: .48rem; color: var(--kx-accent); font-size: .9rem; min-width: 1.1rem; }

/* ===== Gallery ===== */
.gallery-wall { background: var(--kx-bg); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item {
  border-radius: var(--kx-round-lg);
  overflow: hidden;
  position: relative;
  display: block;
  background: var(--kx-bg-soft);
  box-shadow: var(--kx-shadow);
  transform: translateY(0);
  transition: box-shadow .25s ease, transform .25s ease;
}
.gallery-item:hover { box-shadow: var(--kx-shadow-hover); transform: translateY(-4px); }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .55s ease;
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item .g-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 50, 53, .78) 0%, rgba(10, 50, 53, 0) 52%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.2rem;
  opacity: .92;
  transition: opacity .25s ease;
}
.gallery-item:hover .g-overlay { opacity: 1; }
.gallery-item .g-tag {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  background: rgba(255, 255, 255, .92);
  color: var(--kx-primary);
  padding: .15rem .7rem;
  border-radius: 50px;
  align-self: flex-start;
  margin-bottom: .5rem;
}
.gallery-item .g-title { color: #fff; font-weight: 700; font-size: 1.08rem; margin-bottom: .2rem; }
.gallery-item .g-link {
  color: #FFDCA0;
  font-size: .875rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition: all .25s ease;
}
.gallery-item:hover .g-link { opacity: 1; transform: translateY(0); }
.g-item-lg { grid-column: span 2; min-height: 260px; }
.g-item-md { min-height: 240px; }
.g-item-sm { min-height: 220px; }
@media (max-width: 991.98px){
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .g-item-lg { grid-column: span 1; }
}
@media (max-width: 575.98px){
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item { min-height: 220px; }
}

/* ===== CTA Section ===== */
.cta-action {
  background: linear-gradient(135deg, #0B3E3C 0%, #0D6A58 58%, #1B9079 100%);
  position: relative;
  overflow: hidden;
}
.cta-action::before {
  content: "";
  position: absolute;
  left: 8%;
  top: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 200, 120, .18), transparent 70%);
}
.cta-action::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(101, 196, 184, .2), transparent 68%);
}
.cta-action .kx-section-title { color: #fff; }
.cta-action .kx-section-sub { color: rgba(255, 255, 255, .86); }
.cta-form-card {
  background: #fff;
  border-radius: 20px;
  padding: 1.8rem;
  box-shadow: 0 20px 44px rgba(0, 0, 0, .15);
}
.cta-form-card .form-label { font-weight: 600; color: var(--kx-ink); }
.cta-notice-list li { display: flex; align-items: flex-start; gap: .7rem; margin-bottom: .7rem; color: rgba(255, 255, 255, .9); font-size: .93rem; }
.cta-notice-list li i {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  color: #FFD893;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  margin-top: .35rem;
  flex: 0 0 auto;
}
.cta-safe {
  color: rgba(255, 255, 255, .66);
  font-size: .82rem;
  margin-top: .8rem;
  display: flex;
  gap: .2rem;
  align-items: center;
}
@media (max-width: 767.98px){
  .cta-form-card { margin-top: 1.5rem; }
}

/* ===== FAQ ===== */
.faq-rules { background: #fff; }
.accordion-item {
  background: var(--kx-bg);
  border-radius: var(--kx-round-md) !important;
  border: 1px solid rgba(101, 196, 184, .18);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: none;
}
.accordion-header .accordion-button {
  background: transparent;
  font-weight: 600;
  color: var(--kx-ink);
  font-size: 1.02rem;
  padding: 1.1rem 1.3rem;
  box-shadow: none;
  border-radius: var(--kx-round-md);
}
.accordion-header .accordion-button:not(.collapsed) { color: var(--kx-primary); }
.accordion-button:not(.collapsed)::after { filter: none; background-image: var(--bs-accordion-btn-active-icon); }
.accordion-header .accordion-button:focus { box-shadow: none; }
.accordion-header .accordion-button .faq-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--kx-primary-weak);
  color: var(--kx-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: .8rem;
  font-size: .9rem;
  flex: 0 0 auto;
}
.accordion-button:not(.collapsed) .faq-icon { background: var(--kx-primary); color: #fff; }
.accordion-body { padding: .2rem 1.3rem 1.3rem; color: var(--kx-muted); }
.accordion-body .inner { padding-left: 3.4rem; }
@media (max-width: 575.98px){
  .accordion-body .inner { padding-left: 0; }
}

/* ===== Latest News ===== */
.latest-news { background: var(--kx-bg); }
.latest-news .section-icon {
  width: 48px;
  height: 48px;
  background: var(--kx-gradient-main);
  color: #fff;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-right: .8rem;
  box-shadow: 0 8px 20px rgba(13, 122, 111, .22);
}
.news-card-wrap { border-bottom: 1px solid var(--kx-border); padding: 1rem 0; }
.news-card { display: flex; gap: 1rem; background: #fff; border: 1px solid var(--kx-border); border-radius: var(--kx-round-md); padding: 1.2rem 1.4rem; box-shadow: 0 4px 14px rgba(21, 56, 60, .04); transition: all .25s ease; height: 100%; }
.news-card:hover { box-shadow: var(--kx-shadow-hover); transform: translateY(-3px); border-color: rgba(101, 196, 184, .45); }
.news-card .news-stamp {
  width: 68px;
  text-align: center;
  border-radius: 12px;
  background: var(--kx-bg-soft);
  padding: .75rem .35rem;
  align-self: flex-start;
  flex: 0 0 auto;
}
.news-card .news-date { font-family: "Segoe UI", sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--kx-primary); line-height: 1; letter-spacing: .04em; }
.news-card .news-month { font-size: .8rem; color: var(--kx-primary); margin-top: .15rem; display: block; }
.news-card h3 { margin: 0 0 .22rem; font-size: 1.05rem; font-weight: 700; line-height: 1.5; }
.news-card h3 a { color: var(--kx-ink); }
.news-card h3 a:hover { color: var(--kx-primary); }
.news-card .news-text { font-size: .94rem; color: var(--kx-muted); margin: 0; line-height: 1.75; }
.news-card .news-info { display: flex; gap: .75rem; align-items: center; color: var(--kx-muted); font-size: .84rem; margin-top: .8rem; }
.news-card .news-cat { color: var(--kx-primary); background: var(--kx-primary-weak); border-radius: 50px; padding: .05rem .7rem; font-weight: 600; }
.list-empty {
  background: #fff;
  border: 1px dashed #C7D9D6;
  border-radius: var(--kx-round-md);
  color: var(--kx-muted);
  text-align: center;
  padding: 3rem 1.5rem;
  font-size: 1rem;
}

/* ===== Footer ===== */
.footer-site {
  background: #12333A;
  color: rgba(255, 255, 255, .78);
  padding-top: 66px;
  position: relative;
}
.footer-site .ft-brand { font-size: 1.25rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; }
.footer-site .ft-brand i {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #65C4B8, #0D7A6F);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.footer-site p { color: rgba(255, 255, 255, .66); font-size: .92rem; }
.footer-site .ft-title {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: .9rem;
}
.footer-site ul { list-style: none; margin: 0; padding: 0; }
.footer-site ul li { margin-bottom: .45rem; }
.footer-site ul a { color: rgba(255, 255, 255, .7); font-size: .92rem; transition: color .2s; }
.footer-site ul a:hover { color: #FFD893; }
.footer-site .ft-divider { border-top: 1px solid rgba(255, 255, 255, .12); margin: 46px 0 0; }
.footer-site .ft-row {
  border-top: 1px solid rgba(255, 255, 255, .1);
  margin-top: 48px;
  padding: 1.3rem 0 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .7rem;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}
@media (max-width: 767.98px){
  .footer-site .row > [class*=col-] { margin-bottom: 1.8rem; }
}

/* ===== Back to top ===== */
.kx-backtop {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 1030;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--kx-primary);
  background: rgba(255, 255, 255, .9);
  color: var(--kx-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 6px 18px rgba(21, 56, 60, .14);
  opacity: 0;
  visibility: hidden;
  transition: all .25s ease;
}
.kx-backtop.show { opacity: 1; visibility: visible; }
.kx-backtop:hover { background: var(--kx-primary); color: #fff; border-color: var(--kx-primary); transform: translateY(-3px); }

/* ===== Global responsive ===== */
@media (max-width: 991.98px){
  .kx-section { padding-top: 56px; padding-bottom: 56px; }
}
@media (max-width: 575.98px){
  .kx-container { padding-left: 16px; padding-right: 16px; }
  .kx-section { padding-top: 46px; padding-bottom: 46px; }
  .kx-header .navbar { min-height: 64px; }
  .kx-header .navbar-collapse { top: 64px; }
}

/* roulang page: category1 */
/* ===================== 设计令牌 ===================== */
:root {
  --kx-primary: #0D7A6F;
  --kx-primary-light: #65C4B8;
  --kx-primary-lighter: #E1F4F2;
  --kx-accent: #F0A03D;
  --kx-accent-deep: #D97E1E;
  --kx-ink: #1F2E36;
  --kx-text: #3E4D56;
  --kx-muted: #6B7B82;
  --kx-bg: #F7FAF9;
  --kx-bg-soft: #EEF7F5;
  --kx-border: #DFEBE7;
  --kx-white: #ffffff;
  --kx-font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --kx-gradient: linear-gradient(135deg, #0B3E3C 0%, #0D6A58 60%, #118F86 100%);
  --kx-gradient-light: linear-gradient(135deg, #E1F4F2 0%, #F2FAF8 60%, #F7FAF9 100%);
  --kx-radius-sm: 10px;
  --kx-radius-md: 16px;
  --kx-radius-lg: 24px;
  --kx-radius-pill: 999px;
  --kx-shadow: 0 12px 32px rgba(21, 56, 60, .08);
  --kx-shadow-lg: 0 18px 40px rgba(21, 56, 60, .16);
  --bs-primary: #0D7A6F;
  --bs-link-color: #0D7A6F;
  --bs-link-hover-color: #0F9488;
}

/* ===================== 基础重置 ===================== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--kx-font); background: var(--kx-bg); color: var(--kx-text); line-height: 1.85; -webkit-font-smoothing: antialiased; }
a { color: var(--kx-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: #0F9488; }
a:focus-visible { outline: 3px solid rgba(13, 122, 111, .35); outline-offset: 2px; }
img { max-width: 100%; height: auto; border: 0; display: block; }
button:focus-visible { outline: 3px solid rgba(13, 122, 111, .35); outline-offset: 2px; }
ul { padding-left: 0; list-style: none; margin-bottom: 0; }
p { margin-bottom: 0; }

/* ===================== 通用容器与排版 ===================== */
.kx-container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
@media (max-width: 767px) { .kx-container { padding-left: 16px; padding-right: 16px; } }
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 64px 0; }
.sec-head { margin-bottom: 48px; }
.sec-title { font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 700; color: var(--kx-ink); letter-spacing: -.02em; line-height: 1.25; margin-bottom: 12px; }
.sec-title-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--kx-accent); margin-right: 12px; vertical-align: 12px; }
.sec-subtitle { font-size: 1rem; color: var(--kx-muted); max-width: 760px; }
.sec-sub { color: var(--kx-accent-deep); font-weight: 600; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; }
.text-mid { color: var(--kx-muted); }
@media (max-width: 991px) { .section-pad { padding: 64px 0; } }
@media (max-width: 575px) { .section-pad { padding: 48px 0; } }

/* ===================== 导航 Header ===================== */
.kx-header { position: sticky; top: 0; z-index: 1030; background: rgba(255, 255, 255, .965); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(13, 122, 111, .1); box-shadow: 0 6px 24px rgba(21, 56, 60, .05); }
.kx-header .navbar { min-height: 72px; padding: 0; }
.navbar-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.18rem; font-weight: 700; color: var(--kx-ink); letter-spacing: -.01em; margin-right: 8px; }
.navbar-brand i { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; background: var(--kx-gradient); color: #fff; font-size: 1.15rem; border-radius: 14px; box-shadow: 0 8px 18px rgba(13, 122, 111, .22); }
.navbar-brand:hover { color: var(--kx-ink); }
.kx-header .navbar-nav .nav-link { font-size: .95rem; font-weight: 500; color: var(--kx-text); padding: 18px 16px; position: relative; white-space: nowrap; }
.kx-header .navbar-nav .nav-link i { color: var(--kx-primary-light); }
.kx-header .navbar-nav .nav-link.active { color: var(--kx-primary); }
.kx-header .navbar-nav .nav-link.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px; border-radius: 4px 4px 0 0; background: var(--kx-primary); }
.kx-header .navbar-nav .nav-link:hover { color: var(--kx-primary); }
.kx-nav-cta { height: 44px; border-radius: var(--kx-radius-pill); padding: 0 22px; font-size: .92rem; font-weight: 600; display: inline-flex; align-items: center; white-space: nowrap; }
.btn-kx-accent { background: linear-gradient(135deg, #F4A94D 0%, #E89131 100%); border: none; color: #fff; box-shadow: 0 8px 18px rgba(217, 126, 30, .25); transition: all .2s ease; }
.btn-kx-accent:hover, .btn-kx-accent:focus { color: #fff; background: linear-gradient(135deg, #F8B564 0%, #F0A03D 100%); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(217, 126, 30, .32); }
.btn-kx-accent:active { transform: translateY(0); box-shadow: 0 6px 14px rgba(217, 126, 30, .25); }
.navbar-toggler { border: none; color: var(--kx-ink); font-size: 1.4rem; padding: 4px 10px; border-radius: var(--kx-radius-sm); }
.navbar-toggler:focus { box-shadow: none; }
@media (max-width: 991px) {
  .kx-header .navbar-collapse { position: fixed; top: 0; right: 0; width: 320px; height: 100vh; background: #fff; padding: 32px 24px; box-shadow: -20px 0 50px rgba(21, 56, 60, .12); z-index: 1040; overflow-y: auto; transition: .3s ease; }
  .kx-header .navbar-collapse.show { display: block; }
  .kx-header .navbar-nav { width: 100%; margin-top: 30px; }
  .kx-header .navbar-nav .nav-link { padding: 12px 4px; border-bottom: 1px solid #F0F6F4; }
  .kx-header .navbar-nav .nav-link.active::after { display: none; }
  .kx-header .navbar-nav .nav-link.active { background: var(--kx-primary-lighter); border-radius: 10px; padding-left: 14px; }
  .kx-header .navbar-collapse::before { content: "开云app官方入口"; font-weight: 700; font-size: 1.1rem; color: var(--kx-primary); display: block; padding-bottom: 20px; border-bottom: 2px solid var(--kx-primary-lighter); }
  .kx-nav-cta { margin-top: 24px; justify-content: center; }
}
@media (max-width: 575px) {
  .kx-header .navbar { min-height: 64px; }
  .navbar-brand { font-size: 1rem; } 
  .navbar-brand i { width: 36px; height: 36px; font-size: 1rem; border-radius: 11px; }
}

/* ===================== 分类横幅 ===================== */
.category-hero { position: relative; min-height: 360px; display: flex; align-items: center; padding: 72px 0; background: linear-gradient(105deg, rgba(11, 62, 60, .96) 0%, rgba(13, 106, 88, .92) 65%, rgba(17, 143, 134, .88) 100%), url('/assets/images/backpic/back-1.webp') center / cover no-repeat; color: #fff; }
.category-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(240, 160, 61, .18) 0%, transparent 40%), radial-gradient(circle at 15% 80%, rgba(101, 196, 184, .2) 0%, transparent 45%); pointer-events: none; }
.category-hero .kx-container { position: relative; z-index: 2; }
.kx-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .84rem; color: rgba(255, 255, 255, .78); margin-bottom: 22px; }
.kx-breadcrumb a { color: rgba(255, 255, 255, .85); }
.kx-breadcrumb a:hover { color: #FFD59A; }
.kx-breadcrumb i { font-size: .6rem; opacity: .7; }
.category-hero h1 { font-size: clamp(1.9rem, 3vw + .8rem, 2.9rem); font-weight: 700; color: #fff; letter-spacing: -.02em; margin-bottom: 14px; line-height: 1.25; }
.category-hero h1 span { color: #FFC977; }
.category-hero .hero-lead { max-width: 680px; font-size: 1rem; line-height: 1.9; color: rgba(255, 255, 255, .9); margin-bottom: 28px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-pill { background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .2); padding: 6px 16px; border-radius: 999px; font-size: .85rem; color: #EAF6F3; backdrop-filter: blur(4px); }
.hero-pill i { color: #FFCF7A; margin-right: 6px; }
.hero-art { text-align: center; position: relative; }
.hero-art .float-box { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); backdrop-filter: blur(6px); border-radius: 20px; padding: 28px 26px; display: inline-block; }
.hero-art .float-icon { width: 62px; height: 62px; background: var(--kx-gradient); border-radius: 18px; color: #fff; font-size: 1.6rem; display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 12px 30px rgba(0, 0, 0, .18); margin-bottom: 14px; }
.hero-art .txt-small { font-size: 1rem; font-weight: 600; }
.hero-art .txt-desc { font-size: .82rem; opacity: .75; margin-top: 4px; }
@media (max-width: 991px) {
  .category-hero { min-height: auto; padding: 60px 0; }
  .hero-art { display: none; }
}

/* ===================== 入口指引图标卡 ===================== */
.access-paths { position: relative; margin-top: -46px; z-index: 5; }
.access-path-card { background: #fff; border-radius: var(--kx-radius-lg); padding: 30px 28px; height: 100%; box-shadow: var(--kx-shadow); border: 1px solid rgba(223, 235, 231, .7); transition: all .25s ease; position: relative; overflow: hidden; }
.access-path-card::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--kx-primary), var(--kx-accent)); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.access-path-card:hover::after { transform: scaleX(1); }
.access-path-card:hover { transform: translateY(-6px); box-shadow: var(--kx-shadow-lg); }
.path-icon { width: 58px; height: 58px; display: flex; align-items: center; justify-content: center; background: var(--kx-primary-lighter); color: var(--kx-primary); border-radius: 18px; font-size: 1.6rem; margin-bottom: 20px; }
.path-card-2 .path-icon { background: #FFF1DE; color: var(--kx-accent-deep); }
.path-card-3 .path-icon { background: #E7F0FB; color: #2D6DB5; }
.path-card-4 .path-icon { background: #F0EDF9; color: #6B5CBD; }
.access-path-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--kx-ink); margin-bottom: 8px; }
.access-path-card p { color: var(--kx-muted); font-size: .92rem; line-height: 1.75; margin-bottom: 14px; }
.path-more { font-size: .88rem; font-weight: 600; color: var(--kx-primary); display: inline-flex; align-items: center; gap: 4px; }
.path-more i { transition: transform .2s ease; }
.path-more:hover i { transform: translateX(4px); }
@media (max-width: 991px) { .access-paths { margin-top: 0; padding-top: 56px; } }

/* ===================== 步骤流程 ===================== */
.steps-section { background: linear-gradient(180deg, #FFFDF8 0%, var(--kx-bg) 100%); border-top: 1px solid #F3EDE2; border-bottom: 1px solid #E9F2EF; }
.step-item { text-align: center; padding: 12px 20px; position: relative; }
.step-no { width: 48px; height: 48px; margin: 0 auto 18px; background: #fff; border: 2px solid var(--kx-primary); color: var(--kx-primary); font-weight: 700; font-size: 1.1rem; line-height: 44px; text-align: center; border-radius: 50%; box-shadow: 0 8px 20px rgba(13, 122, 111, .12); }
.step-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--kx-ink); margin-bottom: 8px; }
.step-item p { font-size: .88rem; color: var(--kx-muted); max-width: 230px; margin: 0 auto; }
.step-arrow { position: absolute; top: 24px; right: -14px; color: #CBD8D6; font-size: 1.4rem; z-index: 2; pointer-events: none; }
@media (max-width: 767px) { .step-arrow { display: none; } }

/* ===================== 指南内容卡片 ===================== */
.guide-grid .guide-card { background: #fff; border-radius: var(--kx-radius-md); box-shadow: 0 8px 28px rgba(21, 56, 60, .055); border: 1px solid #EBF2F0; padding: 18px; position: relative; transition: all .25s ease; height: 100%; }
.guide-grid .guide-card:hover { transform: translateY(-4px); box-shadow: var(--kx-shadow); border-color: #CFE4DF; }
.guide-media { position: relative; border-radius: var(--kx-radius-sm); overflow: hidden; min-height: 120px; background: var(--kx-bg-soft); margin-bottom: 16px; padding: 0; }
.guide-media img { width: 100%; height: 130px; object-fit: cover; transition: transform .35s ease; }
.guide-card:hover .guide-media img { transform: scale(1.04); }
.guide-media.icon-media { display: flex; align-items: center; justify-content: center; background: var(--kx-gradient-light); min-height: 130px; }
.guide-media.icon-media i { font-size: 2.3rem; color: var(--kx-primary); opacity: .82; }
.guide-tag { position: absolute; top: 10px; left: 10px; background: rgba(31, 46, 54, .78); color: #fff; font-size: .72rem; padding: 2px 12px; border-radius: 999px; backdrop-filter: blur(4px); letter-spacing: .02em; }
.guide-card .g-title { font-size: 1.02rem; font-weight: 700; color: var(--kx-ink); line-height: 1.45; margin-bottom: 8px; }
.guide-card .g-desc { font-size: .85rem; color: var(--kx-muted); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.guide-foot { display: flex; justify-content: space-between; align-items: center; }
.guide-like { font-size: .78rem; color: #8FA5A0; display: inline-flex; gap: 4px; }
.guide-link { font-size: .84rem; font-weight: 600; color: var(--kx-primary); display: inline-flex; align-items: center; gap: 4px; }
.guide-link i { font-size: .7rem; transition: transform .2s ease; }
.guide-link:hover i { transform: translateX(3px); }
@media (max-width: 575px) {
  .guide-grid .col-6 { padding-left: 8px; padding-right: 8px; }
  .guide-media img, .guide-media.icon-media { min-height: 92px; height: 92px; }
  .guide-card { padding: 12px; }
}

/* ===================== 分类介绍区 ===================== */
.category-intro { background: linear-gradient(135deg, #FFFFFF, #F4FAF8); }
.intro-visual { position: relative; border-radius: var(--kx-radius-lg); overflow: hidden; box-shadow: var(--kx-shadow-lg); }
.intro-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 330px; }
.intro-visual-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px 20px; background: linear-gradient(0deg, rgba(11, 62, 60, .85), transparent); color: #EAF6F3; font-size: .86rem; }
.check-items { display: flex; flex-direction: column; gap: 16px; margin-top: 14px; }
.check-item { display: flex; gap: 12px; align-items: flex-start; }
.check-item .ci-icon { width: 26px; height: 26px; border-radius: 50%; background: var(--kx-primary-lighter); color: var(--kx-primary); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: .75rem; margin-top: 4px; }
.check-item h4 { font-size: 1rem; font-weight: 700; color: var(--kx-ink); margin-bottom: 4px; }
.check-item p { font-size: .87rem; color: var(--kx-muted); }

/* ===================== FAQ手风琴 ===================== */
.faq-section { background: var(--kx-bg); }
.kx-accordion .accordion-item { border: 1px solid #DFEAE7; border-radius: var(--kx-radius-md) !important; overflow: hidden; margin-bottom: 16px; background: #fff; box-shadow: 0 6px 18px rgba(21, 56, 60, .035); }
.kx-accordion .accordion-button { background: #fff; border-radius: var(--kx-radius-md) !important; padding: 22px 24px; font-weight: 600; color: var(--kx-ink); font-size: .98rem; box-shadow: none; gap: 12px; cursor: pointer; }
.kx-accordion .accordion-button:hover { color: var(--kx-primary); }
.kx-accordion .accordion-button:not(.collapsed) { background: #fff; color: var(--kx-primary); box-shadow: none; }
.kx-accordion .accordion-button::after { background: none; content: "\f067"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .85rem; color: var(--kx-primary); width: auto; height: auto; margin-left: auto; opacity: .7; transition: transform .25s ease; }
.kx-accordion .accordion-button:not(.collapsed)::after { content: "\f068"; transform: rotate(0); color: var(--kx-accent-deep); }
.kx-accordion .faq-q-icon { width: 30px; height: 30px; background: var(--kx-primary-lighter); color: var(--kx-primary); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; font-size: .78rem; flex-shrink: 0; }
.kx-accordion .accordion-body { padding: 6px 24px 24px 66px; color: var(--kx-text); font-size: .92rem; line-height: 1.85; }

/* ===================== CTA区 ===================== */
.cta-zone { background: var(--kx-gradient); position: relative; overflow: hidden; }
.cta-zone::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 20%, rgba(240, 160, 61, .2) 0%, transparent 38%), url('/assets/images/backpic/back-3.webp') center / cover no-repeat; opacity: .18; }
.cta-zone .kx-container { position: relative; z-index: 3; }
.cta-soft-title { color: #A8D8D2; font-size: .85rem; letter-spacing: .1em; margin-bottom: 10px; }
.cta-zone h2 { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2.2rem); font-weight: 700; letter-spacing: -.02em; }
.cta-zone .cta-desc { color: rgba(255, 255, 255, .85); max-width: 640px; }
.btn-kx-light { background: #fff; color: var(--kx-primary); border-radius: 999px; height: 50px; padding: 0 32px; font-weight: 600; font-size: .95rem; border: none; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 8px 22px rgba(0, 0, 0, .14); transition: all .2s ease; }
.btn-kx-light:hover { color: var(--kx-primary); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 0, 0, .2); margin-left:0; }
.btn-kx-outline-white { border: 1.5px solid rgba(255, 255, 255, .7); color: #fff; border-radius: 999px; height: 50px; padding: 0 28px; font-weight: 500; font-size: .94rem; background: rgba(255, 255, 255, .06); display: inline-flex; align-items: center; gap: 8px; transition: all .2s ease; }
.btn-kx-outline-white:hover { background: rgba(255, 255, 255, .16); border-color: #fff; color: #fff; }
.cta-bottom-chips { display: flex; gap: 24px; color: rgba(255, 255, 255, .72); font-size: .82rem; margin-top: 26px; flex-wrap: wrap; }
.cta-bottom-chips i { color: #FFD59A; }

/* ===================== 首页复用区 / 内链 ===================== */
.quick-link-zone { background: var(--kx-bg); border-top: 1px solid #F1F4F4; }
.quick-link-grid a { background: #fff; border: 1px solid var(--kx-border); border-radius: var(--kx-radius-md); padding: 22px; display: flex; gap: 16px; transition: all .25s ease; align-items: center; }
.quick-link-grid a:hover { box-shadow: var(--kx-shadow); background: var(--kx-primary-lighter); transform: translateY(-3px); color: var(--kx-ink); }
.quick-link-grid i { font-size: 1.4rem; color: var(--kx-primary); background: var(--kx-primary-lighter); width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; border-radius: 16px; flex-shrink: 0; }
.quick-link-grid .ql-title { font-size: 1rem; font-weight: 700; color: var(--kx-ink); }
.quick-link-grid .ql-sub { font-size: .82rem; color: var(--kx-muted); }

/* ===================== 页脚 Footer ===================== */
.footer-site { background: #0B2524; color: #D7E4E2; padding: 72px 0 24px; margin-top: 0; }
.footer-site h5.ft-title { color: #fff; font-size: .98rem; font-weight: 700; margin-bottom: 22px; letter-spacing: .02em; }
.footer-site .ft-brand { display: flex; align-items: center; gap: 12px; color: #fff; font-size: 1.35rem; font-weight: 700; margin-bottom: 8px; }
.footer-site .ft-brand i { width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, #118F86, #F0A03D); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem; }
.footer-site .ft-desc { font-size: .88rem; line-height: 1.9; opacity: .75; }
.footer-site .kx-tag { display: inline-flex; align-items: center; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .08); color: #A7D5CE; font-size: .78rem; }
.footer-site ul li { margin-bottom: 10px; }
.footer-site ul a { color: #B4CFCB; font-size: .88rem; line-height: 1.4; transition: all .2s ease; }
.footer-site ul a i { color: #6F9C96; font-size: .68rem; width: 14px; display: inline-block; }
.footer-site ul a:hover { color: #74D2C2; padding-left: 4px; }
.footer-site .ft-sec { display: flex; gap: 20px; }
.footer-site .ft-bottom { border-top: 1px solid rgba(255, 255, 255, .13); padding-top: 26px; margin-top: 52px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .82rem; color: rgba(255, 255, 255, .63); }
@media (max-width: 767px) {
  .footer-site { padding-top: 56px; }
  .footer-site .ft-bottom { flex-direction: column; }
  .footer-site ul li { margin-bottom: 8px; }
}

/* ===================== 回到顶部按钮 ===================== */
.back-to-top { position: fixed; right: 28px; bottom: 36px; z-index: 1020; width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--kx-primary); background: rgba(255, 255, 255, .9); color: var(--kx-primary); display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: all .2s ease; cursor: pointer; opacity: .8; }
.back-to-top:hover { background: var(--kx-primary); color: #fff; transform: translateY(-4px); box-shadow: 0 12px 28px rgba(13, 122, 111, .3); }
@media (max-width: 575px) { .back-to-top { right: 16px; bottom: 22px; width: 42px; height: 42px; } }

/* roulang page: article */
:root {
            --kx-primary: #0D7A6F;
            --kx-primary-500: #148F86;
            --kx-primary-300: #65C4B8;
            --kx-primary-100: #E1F4F2;
            --kx-accent: #F0A03D;
            --kx-accent-deep: #D97E1E;
            --kx-ink: #1F2E36;
            --kx-text: #3E4D56;
            --kx-muted: #6B7B82;
            --kx-bg: #F7FAF9;
            --kx-bg-soft: #EEF7F5;
            --kx-border: #E2EBE8;
            --kx-radius-lg: 24px;
            --kx-radius-md: 16px;
            --kx-radius-sm: 10px;
            --kx-shadow: 0 12px 32px rgba(21, 56, 60, .08);
            --kx-shadow-lg: 0 18px 40px rgba(21, 56, 60, .16);
            --kx-grad-main: linear-gradient(135deg, #0B3E3C 0%, #0D6A58 55%, #118F86 100%);
            --kx-grad-accent: linear-gradient(135deg, #F7B955 0%, #F0A03D 45%, #D97E1E 100%);
            --bs-primary: #0D7A6F;
            --bs-link-color: #0D7A6F;
            --bs-link-hover-color: #0A615A;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--kx-bg);
            color: var(--kx-text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: #0A615A;
        }

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

        .kx-container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 767px) {
            .kx-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .btn {
            border-radius: 999px;
            font-weight: 600;
            transition: all .2s ease;
        }

        .btn-kx {
            background: var(--kx-primary);
            border: 0;
        }

        .btn-kx:hover {
            background: #0B6B60;
            transform: translateY(-2px);
            box-shadow: 0 12px 22px rgba(13, 122, 111, .18);
        }

        .btn-outline-kx {
            border: 1.5px solid var(--kx-primary);
            color: var(--kx-primary);
            background: #fff;
        }

        .btn-outline-kx:hover {
            background: var(--kx-primary-100);
            color: var(--kx-primary);
            border-color: var(--kx-primary);
            transform: translateY(-2px);
        }

        .btn-kx-accent {
            background: var(--kx-grad-accent);
            border: 0;
            color: #fff;
            box-shadow: 0 10px 24px rgba(217, 126, 30, .28);
        }

        .btn-kx-accent:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(217, 126, 30, .36);
        }

        .btn-kx-accent:active {
            transform: translateY(0);
        }

        .kx-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(13, 122, 111, .08);
            border: 1px solid rgba(13, 122, 111, .16);
            color: var(--kx-primary);
            font-size: .82rem;
        }

        .kx-header {
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1040;
            background: rgba(255, 255, 255, .93);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(16, 56, 55, .05);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .kx-header-scrolled {
            background: rgba(255, 255, 255, .97);
            box-shadow: 0 6px 22px rgba(15, 42, 44, .07);
        }

        .kx-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.32rem;
            color: var(--kx-ink) !important;
            white-space: nowrap;
        }

        .navbar-brand i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--kx-grad-main);
            color: #fff;
            border-radius: 13px;
            font-size: 1.05rem;
            box-shadow: 0 8px 18px rgba(13, 122, 111, .22);
        }

        .navbar-nav {
            align-items: center;
        }

        .kx-header .nav-item {
            margin: 0 4px;
        }

        .kx-header .nav-link {
            position: relative;
            padding: 10px 16px !important;
            border-radius: 999px;
            color: var(--kx-text) !important;
            font-weight: 500;
            font-size: .95rem;
            line-height: 1.4;
        }

        .kx-header .nav-link:hover {
            color: var(--kx-primary) !important;
            background: var(--kx-bg-soft);
        }

        .kx-header .nav-link.active {
            color: var(--kx-primary) !important;
            font-weight: 600;
            background: rgba(13, 122, 111, .07);
        }

        .navbar-toggler {
            border: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(13, 122, 111, .08);
            border-radius: 14px;
            color: var(--kx-primary);
            font-size: 1.15rem;
            padding: 0;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(13, 122, 111, .15);
        }

        .kx-nav-cta {
            margin-left: 12px;
            padding: 10px 22px;
            color: #fff !important;
            font-weight: 600;
            text-decoration: none;
            white-space: nowrap;
        }

        .kd-breadcrumb-area {
            padding: 22px 0 0;
            background: var(--kx-bg);
        }

        .kd-breadcrumb {
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin: 0;
            padding: 0;
            font-size: .9rem;
            color: var(--kx-muted);
        }

        .kd-breadcrumb a {
            color: var(--kx-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .kd-breadcrumb a:hover {
            color: var(--kx-primary);
        }

        .kd-breadcrumb li.sep {
            color: #B5C3C1;
            font-size: .7rem;
        }

        .kd-breadcrumb li:last-child {
            color: var(--kx-ink);
            font-weight: 600;
        }

        .kx-article-section {
            padding: 24px 0 0;
        }

        .kx-article-card {
            background: #fff;
            border: 1px solid rgba(22, 45, 47, .06);
            border-radius: var(--kx-radius-lg);
            box-shadow: var(--kx-shadow);
            overflow: hidden;
            position: relative;
        }

        .article-head {
            padding: 52px 66px 22px;
            text-align: center;
        }

        .article-chips {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .article-chips .chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(13, 122, 111, .08);
            border: 1px solid rgba(13, 122, 111, .12);
            color: var(--kx-primary);
            font-size: .82rem;
            font-weight: 500;
        }

        .article-title {
            font-size: clamp(2rem, 4vw, 2.9rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--kx-ink);
            line-height: 1.25;
            max-width: 940px;
            margin: 0 auto 20px;
            text-wrap: balance;
        }

        .article-lead {
            max-width: 820px;
            margin: 0 auto;
            color: var(--kx-muted);
            font-size: 1.02rem;
            line-height: 1.9;
        }

        .article-hero {
            padding: 6px 46px 0;
        }

        .article-hero img {
            width: 100%;
            height: clamp(240px, 42vw, 460px);
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 14px 30px rgba(21, 56, 60, .1);
        }

        .article-body-wrap {
            padding: 30px 46px 30px;
        }

        .article-body {
            max-width: 800px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.92;
            color: #33444D;
        }

        .article-body > *:first-child {
            margin-top: 0 !important;
        }

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

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            position: relative;
            margin-top: 2.1em;
            margin-bottom: .8em;
            padding-left: 16px;
        }

        .article-body h2 {
            font-size: 1.75rem;
            border-left: 4px solid var(--kx-primary);
        }

        .article-body h3 {
            font-size: 1.35rem;
            border-left: 3px solid var(--kx-accent);
        }

        .article-body h4 {
            font-size: 1.12rem;
            border-left: 3px solid var(--kx-primary-300);
        }

        .article-body p {
            margin-bottom: 1.5rem;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.4rem;
        }

        .article-body li {
            margin-bottom: .5rem;
        }

        .article-body a {
            color: var(--kx-primary);
            text-decoration: underline;
            text-decoration-color: rgba(13, 122, 111, .35);
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--kx-accent-deep);
            text-decoration-color: var(--kx-accent-deep);
        }

        .article-body blockquote {
            background: var(--kx-bg-soft);
            border-left: 4px solid var(--kx-primary);
            border-radius: 0 14px 14px 0;
            padding: 20px 24px;
            margin: 0 0 1.5rem;
            color: var(--kx-text);
        }

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

        .article-body img {
            border-radius: var(--kx-radius-md);
            box-shadow: var(--kx-shadow);
            margin: 18px 0;
        }

        .article-body figure {
            margin: 24px 0;
        }

        .article-body figcaption {
            text-align: center;
            font-size: .86rem;
            color: var(--kx-muted);
            margin-top: 10px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: .95rem;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--kx-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body th {
            background: var(--kx-bg-soft);
            color: var(--kx-ink);
        }

        .article-sharebar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            padding: 22px 46px 30px;
            border-top: 1px solid rgba(20, 50, 50, .06);
            background: rgba(247, 250, 249, .5);
        }

        .article-sharebar .share-tip {
            color: var(--kx-muted);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .article-sharebar .share-tip i {
            color: var(--kx-primary);
        }

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

        .btn-share {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--kx-border);
            background: #fff;
            color: var(--kx-text);
            border-radius: 999px;
            padding: 9px 18px;
            font-size: .88rem;
            font-weight: 500;
            transition: all .2s ease;
            cursor: pointer;
        }

        .btn-share:hover {
            color: var(--kx-primary);
            border-color: var(--kx-primary);
            transform: translateY(-2px);
        }

        .no-article-card {
            background: #fff;
            border: 1px solid rgba(22, 45, 47, .06);
            border-radius: var(--kx-radius-lg);
            box-shadow: var(--kx-shadow);
            padding: 100px 32px;
            text-align: center;
        }

        .no-article-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--kx-bg-soft);
            color: var(--kx-primary);
            font-size: 2rem;
        }

        .no-article-card h1,
        .no-article-card h2 {
            font-size: 2rem;
            margin-bottom: 14px;
        }

        .no-article-card p {
            color: var(--kx-muted);
            margin-bottom: 24px;
        }

        .kx-stats-strip {
            padding: 64px 0 0;
        }

        .stats-inner {
            position: relative;
            border-radius: var(--kx-radius-lg);
            background: var(--kx-grad-main);
            padding: 44px 48px;
            display: flex;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            overflow: hidden;
        }

        .stats-inner::before {
            content: "";
            position: absolute;
            right: -90px;
            top: -90px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
        }

        .stats-inner::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -120px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(240, 160, 61, .12);
        }

        .stats-item {
            position: relative;
            z-index: 2;
            color: #fff;
            min-width: 150px;
        }

        .stats-item i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .14);
            margin-bottom: 12px;
            font-size: 1.05rem;
        }

        .stats-num {
            display: block;
            font-family: "DIN Alternate", "Segoe UI", "PingFang SC", sans-serif;
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
        }

        .stats-label {
            font-size: .9rem;
            color: rgba(255, 255, 255, .74);
            margin-top: 5px;
        }

        .kx-faq-area {
            padding: 64px 0 20px;
        }

        .kx-faq-item {
            background: #fff;
            border: 1px solid rgba(13, 122, 111, .09);
            border-radius: var(--kx-radius-md);
            box-shadow: 0 6px 16px rgba(21, 56, 60, .04);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .kx-faq-item.active {
            border-color: rgba(13, 122, 111, .3);
            box-shadow: var(--kx-shadow);
        }

        .faq-toggle {
            width: 100%;
            border: 0;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 20px 24px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--kx-ink);
            cursor: pointer;
            transition: background .2s ease;
        }

        .faq-toggle:hover {
            background: rgba(13, 122, 111, .03);
        }

        .faq-toggle .fa-q {
            color: var(--kx-primary);
            margin-right: 4px;
        }

        .faq-toggle .faq-arrow {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--kx-bg-soft);
            color: var(--kx-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .85rem;
            transition: transform .25s ease, background .2s ease;
        }

        .kx-faq-item.active .faq-arrow {
            transform: rotate(45deg);
            background: var(--kx-primary);
            color: #fff;
        }

        .faq-panel {
            display: none;
            padding: 0 24px 22px;
            color: var(--kx-text);
            font-size: .95rem;
            line-height: 1.85;
        }

        .faq-panel p {
            margin: 0 0 8px;
        }

        .faq-panel p:last-child {
            margin-bottom: 0;
        }

        .kx-faq-item.active .faq-panel {
            display: block;
        }

        .related-section {
            padding: 64px 0 20px;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .section-heading h2 {
            margin: 0;
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            letter-spacing: -0.01em;
        }

        .section-heading .sec-sub {
            color: var(--kx-muted);
            font-size: .95rem;
        }

        .kx-rel-card {
            height: 100%;
            background: #fff;
            border-radius: var(--kx-radius-md);
            border: 1px solid rgba(22, 45, 47, .06);
            box-shadow: var(--kx-shadow);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .kx-rel-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--kx-shadow-lg);
        }

        .kx-rel-card .thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--kx-bg-soft);
        }

        .kx-rel-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .kx-rel-card:hover .thumb img {
            transform: scale(1.04);
        }

        .kx-rel-card .body-card {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .kx-rel-card h3 {
            font-size: 1.12rem;
            line-height: 1.5;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .kx-rel-card h3 a {
            color: var(--kx-ink);
        }

        .kx-rel-card h3 a:hover {
            color: var(--kx-primary);
        }

        .kx-rel-card p {
            color: var(--kx-muted);
            font-size: .9rem;
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .kx-rel-card .more-link {
            margin-top: auto;
            color: var(--kx-primary);
            font-size: .9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .kx-rel-card .more-link:hover {
            color: var(--kx-accent-deep);
            gap: 10px;
        }

        .card-tag {
            display: inline-flex;
            width: fit-content;
            align-items: center;
            gap: 6px;
            padding: 4px 11px;
            background: rgba(13, 122, 111, .08);
            border-radius: 999px;
            color: var(--kx-primary);
            font-size: .78rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cta-area {
            padding: 70px 0 40px;
        }

        .cta-card {
            position: relative;
            border-radius: 28px;
            background: var(--kx-grad-main);
            padding: 64px 56px;
            text-align: center;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            left: 10%;
            right: 10%;
            top: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, rgba(240, 160, 61, .7), transparent);
        }

        .cta-card::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            border: 80px solid rgba(255, 255, 255, .04);
            top: -140px;
            left: -110px;
        }

        .cta-card h2 {
            color: #fff;
            font-size: clamp(1.8rem, 3.5vw, 2.7rem);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 2;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .82);
            font-size: 1.06rem;
            max-width: 760px;
            margin: 0 auto 34px;
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-ghost-light {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .28);
            color: #fff;
            padding: 12px 28px;
        }

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

        .footer-site {
            margin-top: 30px;
            background: linear-gradient(145deg, #0A3135 0%, #0B3E3C 70%, #10534E 100%);
            color: rgba(255, 255, 255, .78);
            padding: 72px 0 0;
            position: relative;
        }

        .footer-site .ft-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-site .ft-brand i {
            width: 42px;
            height: 42px;
            background: var(--kx-grad-accent);
            border-radius: 13px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 8px 18px rgba(0, 0, 0, .16);
        }

        .footer-site .ft-brand span {
            color: #fff;
        }

        .footer-site p {
            font-size: .92rem;
            line-height: 1.85;
            max-width: 460px;
        }

        .footer-site .ft-title {
            color: rgba(255, 255, 255, .94);
            font-size: 1rem;
            margin-top: 8px;
            margin-bottom: 18px;
        }

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

        .footer-site li {
            margin-bottom: 11px;
        }

        .footer-site li a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            display: inline-flex;
            align-items: center;
            transition: all .2s ease;
        }

        .footer-site li a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-site .kx-tag {
            border-color: rgba(255, 255, 255, .14);
        }

        .footer-bottom {
            margin-top: 44px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 22px 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .5);
            display: flex;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
        }

        .back-top-btn {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 1px solid var(--kx-primary-300);
            background: rgba(255, 255, 255, .92);
            color: var(--kx-primary);
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 950;
            opacity: 0;
            transform: translateY(14px);
            pointer-events: none;
            transition: all .3s ease;
        }

        .back-top-btn.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .back-top-btn:hover {
            background: var(--kx-primary);
            color: #fff;
            border-color: var(--kx-primary);
        }

        @media (max-width: 1199.98px) {
            .article-head {
                padding: 42px 42px 18px;
            }

            .article-hero,
            .article-body-wrap {
                padding-left: 30px;
                padding-right: 30px;
            }

            .article-sharebar {
                padding-left: 30px;
                padding-right: 30px;
            }
        }

        @media (max-width: 991.98px) {
            .kx-header .navbar {
                min-height: 64px;
            }

            .navbar-collapse {
                background: #fff;
                border-radius: 20px;
                box-shadow: var(--kx-shadow);
                padding: 18px;
                margin-top: 12px;
                max-height: calc(100vh - 90px);
                overflow-y: auto;
            }

            .navbar-nav {
                width: 100%;
            }

            .kx-header .nav-item {
                margin: 4px 0;
            }

            .kx-header .nav-link {
                padding: 12px 18px !important;
                border-radius: 14px;
                display: flex;
                align-items: center;
            }

            .kx-nav-cta {
                margin-left: 0;
                margin-top: 14px;
                display: flex;
                justify-content: center;
                width: 100%;
            }

            .article-title {
                font-size: 2.1rem;
            }

            .stats-inner {
                padding: 32px 28px;
            }

            .cta-card {
                padding: 50px 32px;
            }
        }

        @media (max-width: 767.98px) {
            .kd-breadcrumb-area {
                padding-top: 14px;
            }

            .article-head {
                padding: 28px 18px 12px;
            }

            .article-hero,
            .article-body-wrap {
                padding-left: 12px;
                padding-right: 12px;
            }

            .article-body {
                font-size: 1rem;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 1.45rem;
            }

            .article-body h3 {
                font-size: 1.2rem;
            }

            .article-sharebar {
                padding: 20px 16px;
                justify-content: center;
                text-align: center;
            }

            .stats-inner {
                flex-direction: column;
                gap: 18px;
                border-radius: 20px;
            }

            .stats-item {
                display: flex;
                align-items: center;
                gap: 14px;
                min-width: 0;
            }

            .stats-item i {
                margin-bottom: 0;
                width: 44px;
                height: 44px;
            }

            .stats-num {
                font-size: 1.4rem;
            }

            .section-heading {
                flex-direction: column;
                gap: 8px;
            }

            .cta-actions {
                flex-direction: column;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .back-top-btn {
                right: 16px;
                bottom: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.1rem;
                gap: 8px;
            }

            .navbar-brand i {
                width: 35px;
                height: 35px;
                font-size: .9rem;
            }

            .kx-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-title {
                font-size: 1.75rem;
            }

            .article-chips .chip {
                font-size: .76rem;
                padding: 5px 10px;
            }

            .stats-num {
                font-size: 1.3rem;
            }

            .kx-faq-item .faq-toggle {
                padding: 17px 16px;
                font-size: .95rem;
            }

            .faq-panel {
                padding: 0 16px 18px;
            }

            .cta-card {
                padding: 40px 20px;
                border-radius: 20px;
            }

            .cta-card p {
                font-size: .96rem;
            }
        }

/* roulang page: category2 */
:root {
  --kx-primary-600: #0B6A60;
  --kx-primary: #0D7A6F;
  --kx-primary-500: #148F86;
  --kx-primary-300: #65C4B8;
  --kx-primary-100: #E1F4F2;
  --kx-accent: #F0A03D;
  --kx-accent-deep: #D97E1E;
  --kx-ink: #1F2E36;
  --kx-text: #3E4D56;
  --kx-muted: #6B7B82;
  --kx-bg: #F7FAF9;
  --kx-ease-bg: #EEF7F5;
  --kx-line: rgba(21, 72, 68, .10);
  --kx-gradient: linear-gradient(135deg, #0B3E3C 0%, #0D6A58 60%, #118F86 100%);
  --kx-gradient-accent: linear-gradient(135deg, #F0A03D, #D97E1E);
  --kx-shadow: 0 12px 32px rgba(21,56,60,.08);
  --kx-shadow-hover: 0 18px 40px rgba(21,56,60,.16);
  --kx-radius-sm: 10px;
  --kx-radius-md: 16px;
  --kx-radius-lg: 24px;
  --kx-radius-pill: 999px;
  --bs-body-font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
  --bs-link-color: var(--kx-primary);
  --bs-link-hover-color: var(--kx-primary-600);
  --bs-primary: var(--kx-primary);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--bs-body-font-family);
  background: var(--kx-bg);
  color: var(--kx-text);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--kx-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--kx-primary-600); }
img { max-width: 100%; height: auto; }
button, input { font-family: inherit; }
.kx-container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; position: relative; }
section { padding: 96px 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--kx-primary-100); color: var(--kx-primary-600);
  font-size: .875rem; font-weight: 600; padding: 6px 18px;
  border-radius: var(--kx-radius-pill); margin-bottom: 16px;
  letter-spacing: .04em;
}
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; color: var(--kx-ink); margin: 0; letter-spacing: -.02em; line-height: 1.3; }
.section-head p { margin: 14px 0 0; color: var(--kx-muted); font-size: 1.0625rem; }
.section-foot { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; color: var(--kx-primary-600); }

/* Bootstrap resets */
.btn {
  border-radius: var(--kx-radius-pill);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 26px;
  transition: all .2s ease;
  line-height: 1.5;
}
.btn:focus, .btn:focus-visible, .form-control:focus {
  box-shadow: 0 0 0 .25rem rgba(13,122,111,.18);
  border-color: var(--kx-primary);
  outline: none;
}
.btn-kx-primary { background: var(--kx-primary); color: #fff; border: 1px solid var(--kx-primary); }
.btn-kx-primary:hover { background: var(--kx-primary-500); border-color: var(--kx-primary-500); color: #fff; transform: translateY(-2px); box-shadow: var(--kx-shadow); }
.btn-kx-accent { background: var(--kx-gradient-accent); color: #fff; border: none; }
.btn-kx-accent:hover { filter: brightness(1.05); transform: translateY(-2px); color: #fff; box-shadow: 0 14px 28px rgba(217,126,30,.28); }
.btn-line { background: transparent; border: 1.5px solid var(--kx-primary); color: var(--kx-primary-600); }
.btn-line:hover { background: var(--kx-primary-100); border-color: var(--kx-primary-500); color: var(--kx-primary-600); }
.btn-outline-light-kx { background: transparent; border: 1.5px solid rgba(255,255,255,.65); color: #fff; border-radius: var(--kx-radius-pill); padding: 10px 24px; font-weight: 600; transition: all .2s; }
.btn-outline-light-kx:hover { background: #fff; color: var(--kx-primary-600); }

.bg-soft { background: var(--kx-ease-bg); }
.bg-white { background: #fff; }

/* ---------- Header ---------- */
.kx-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1080;
  height: 72px;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.65);
  box-shadow: 0 4px 20px rgba(21,56,60,.06);
  transition: background .3s ease, box-shadow .3s ease;
}
.kx-header.scrolled { background: rgba(255,255,255,.98); box-shadow: 0 8px 24px rgba(21,56,60,.08); }
.kx-header .navbar { min-height: 72px; padding: 0; }
.navbar-brand { display: flex; align-items: center; gap: 10px; color: var(--kx-ink) !important; }
.navbar-brand i { font-size: 1.6rem; color: var(--kx-primary); }
.navbar-brand span { font-size: 19px; font-weight: 700; letter-spacing: -.01em; color: var(--kx-ink); }
.navbar-toggler { border: none; box-shadow: none !important; color: var(--kx-ink); font-size: 1.4rem; padding: 4px 8px; }
.kx-header .nav-link {
  color: var(--kx-text) !important;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: var(--kx-radius-pill);
  transition: color .2s ease, background .2s ease;
  position: relative;
}
.kx-header .nav-link:hover { color: var(--kx-primary-600) !important; background: var(--kx-primary-100); }
.kx-header .nav-link.active { color: var(--kx-primary-600) !important; background: var(--kx-primary-100); font-weight: 600; }
.kx-header .nav-link.active::after {
  content: ''; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 2px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--kx-accent);
}
.kx-nav-cta { margin-left: 18px; color: #fff; }
.navbar-collapse { background: transparent; }
@media (max-width: 991.98px) {
  .kx-header { height: 64px; }
  .kx-header .navbar { min-height: 64px; }
  .navbar-brand span { font-size: 16px; }
  .navbar-collapse {
    background: #fff;
    margin: 0 -24px;
    padding: 16px 24px 24px;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 16px 30px rgba(21,56,60,.1);
  }
  .kx-header .nav-link { padding: 12px 16px !important; }
  .kx-nav-cta { margin-left: 0; margin-top: 12px; text-align: center; }
}

/* ---------- Footer ---------- */
.footer-site {
  background: var(--kx-ink);
  padding: 68px 0 20px;
  color: rgba(255,255,255,.72);
  margin-top: 0;
}
.footer-site .ft-brand { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; color: #fff; font-weight: 700; }
.footer-site .ft-brand i { color: var(--kx-primary-300); font-size: 1.7rem; }
.footer-site .ft-title { color: #fff; font-weight: 600; font-size: 16px; margin-bottom: 18px; }
.footer-site ul { list-style: none; margin: 0; padding: 0; }
.footer-site ul li { margin-bottom: 10px; }
.footer-site ul a { color: rgba(255,255,255,.7); text-decoration: none; transition: all .2s; font-size: 14px; }
.footer-site ul a:hover { color: var(--kx-primary-300); padding-left: 4px; }
.ft-copy { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 20px; font-size: 13px; color: rgba(255,255,255,.45); }
.footer-site .kx-tag { display: inline-flex; align-items: center; font-size: 13px; border: 1px solid; border-radius: var(--kx-radius-pill); padding: 5px 14px; }

/* ---------- Category banner ---------- */
.cat-banner {
  position: relative;
  margin-top: 72px;
  min-height: 420px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(105deg, rgba(11,62,60,.96) 0%, rgba(13,106,88,.88) 60%, rgba(13,122,111,.72) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.cat-banner::after {
  content: '';
  position: absolute;
  right: -80px; top: -80px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(240,160,61,.22), transparent 70%);
  border-radius: 50%;
}
.cat-banner .kx-container { z-index: 2; padding-top: 48px; padding-bottom: 48px; }
.breadcrumb-kx { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; margin-bottom: 18px; list-style: none; padding: 0; color: rgba(255,255,255,.72); }
.breadcrumb-kx a { color: rgba(255,255,255,.85); }
.breadcrumb-kx a:hover { color: var(--kx-accent); }
.cat-overline {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff; font-size: 13px; letter-spacing: .08em;
  padding: 6px 16px; border-radius: var(--kx-radius-pill);
  margin-bottom: 14px;
}
.cat-banner h1 { font-size: clamp(2rem, 4.2vw, 3rem); font-weight: 700; margin: 0 0 14px; letter-spacing: -.02em; line-height: 1.2; }
.cat-banner .lead-kx { font-size: 17px; color: rgba(255,255,255,.9); max-width: 600px; margin-bottom: 22px; line-height: 1.8; }
.cat-stats-cluster { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 0; }
.kx-stat-pill {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--kx-radius-pill);
  padding: 8px 16px;
  color: #fff; font-size: 14px;
  backdrop-filter: blur(6px);
}
.kx-stat-pill strong { font-size: 18px; color: var(--kx-accent); }
@media (max-width: 767.98px) {
  .cat-banner { margin-top: 64px; min-height: 380px; }
  .cat-banner h1 { font-size: 1.8rem; }
  .cat-banner .lead-kx { font-size: 15px; }
}

/* ---------- Cards ---------- */
.benefit-card {
  border-radius: var(--kx-radius-lg);
  background: #fff;
  border: 1px solid var(--kx-line);
  box-shadow: var(--kx-shadow);
  overflow: hidden;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.benefit-card:hover { transform: translateY(-6px); box-shadow: var(--kx-shadow-hover); }
.benefit-card .card-media { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--kx-ease-bg); }
.benefit-card .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.benefit-card:hover .card-media img { transform: scale(1.04); }
.benefit-card .card-media .media-chip { position: absolute; left: 16px; top: 16px; background: rgba(15,66,62,.84); color: #fff; font-size: 12px; padding: 5px 12px; border-radius: var(--kx-radius-pill); backdrop-filter: blur(4px); }
.benefit-card .card-body { padding: 26px; }
.benefit-card h3 { font-size: 1.2rem; color: var(--kx-ink); font-weight: 700; margin-bottom: 10px; }
.benefit-card h3 i { color: var(--kx-primary); margin-right: 6px; font-size: 18px; vertical-align: -1px; }
.benefit-card p { font-size: .9375rem; color: var(--kx-muted); line-height: 1.75; margin-bottom: 16px; }
.card-meta { display: flex; align-items: center; gap: 18px; font-size: .8125rem; color: var(--kx-primary-600); }
.card-meta .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--kx-primary-300); display: inline-block; margin-right: 6px; vertical-align: 1px; }
.card-meta .status-dot.hot { background: var(--kx-accent); }
.card-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--kx-primary-600); font-size: 14px; }
.benefit-card:hover .card-arrow { gap: 10px; color: var(--kx-accent-deep); }
@media (max-width: 767.98px) { .benefit-card .card-body { padding: 20px; } }

/* wide static benefit */
.wide-benefit-card {
  display: flex; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--kx-line);
  border-radius: var(--kx-radius-lg); overflow: hidden;
  box-shadow: var(--kx-shadow); height: 100%;
}
.wide-benefit-card .wide-img { width: 45%; min-height: 260px; position: relative; overflow: hidden; background: var(--kx-ease-bg); }
.wide-benefit-card .wide-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.wide-benefit-card .wide-content { width: 55%; padding: 30px; display: flex; flex-direction: column; justify-content: center; }
.wide-benefit-card h3 { font-size: 1.35rem; font-weight: 700; color: var(--kx-ink); }
.wide-benefit-card ul { list-style: none; padding: 0; margin: 14px 0 18px; }
.wide-benefit-card ul li { position: relative; padding-left: 27px; margin-bottom: 8px; color: var(--kx-text); }
.wide-benefit-card ul li::before {
  content: ''; position: absolute; left: 0; top: 9px; width: 17px; height: 17px;
  background: var(--kx-primary-100); border: 5px solid var(--kx-primary-100);
  border-radius: 50%; box-sizing: border-box;
}
.wide-benefit-card ul li::after { content: ''; position: absolute; left: 5px; top: 13px; width: 7px; height: 7px; border-radius: 50%; background: var(--kx-primary); }
@media (max-width: 767.98px) {
  .wide-benefit-card .wide-img, .wide-benefit-card .wide-content { width: 100%; }
  .wide-benefit-card .wide-img { min-height: 180px; position: static; }
  .wide-benefit-card .wide-img img { position: static; }
}

/* 分类介绍 */
.entry-point-section { background: #fff; }
.divider-line { border: 0; height: 1px; background: var(--kx-line); margin: 0; }
.info-step-list { display: flex; flex-direction: column; gap: 18px; }
.info-step-item { display: flex; gap: 14px; background: var(--kx-ease-bg); padding: 20px 22px; border-radius: var(--kx-radius-md); }
.info-step-item .step-num { flex: 0 0 34px; height: 34px; border-radius: 50%; background: var(--kx-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.info-step-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--kx-ink); margin-bottom: 4px; }
.info-step-item p { font-size: .875rem; color: var(--kx-muted); margin: 0; }

/* CTA block */
.cta-inner {
  background: var(--kx-gradient);
  border-radius: 30px;
  padding: 54px 56px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-inner::after { content: ''; position: absolute; right: -80px; bottom: -100px; width: 300px; height: 300px; border-radius: 50%; background: rgba(240,160,61,.2); }
.cta-inner .cta-title { font-size: clamp(1.7rem,3vw,2.4rem); font-weight: 700; letter-spacing: -.02em; }
.cta-inner .cta-desc { color: rgba(255,255,255,.86); font-size: 16px; line-height: 1.85; }
.cta-inner .form-control {
  height: 52px;
  border-radius: var(--kx-radius-sm);
  border: none;
  padding: 12px 16px;
  color: var(--kx-ink);
  background: #fff;
}
.cta-inner .form-control:focus { box-shadow: 0 0 0 .25rem rgba(255,255,255,.25); }
.cta-inner .btn { height: 52px; }
.cta-note { color: rgba(255,255,255,.62); font-size: 13px; margin-top: 12px; }
@media (max-width: 767.98px) { .cta-inner { padding: 28px 22px; border-radius: 22px; } }

/* FAQ */
.faq-card { background: #fff; border: 1px solid var(--kx-line); border-radius: var(--kx-radius-md); margin-bottom: 14px; overflow: hidden; box-shadow: 0 4px 14px rgba(21,56,60,.04); }
.faq-card:last-child { margin-bottom: 0; }
.faq-card .faq-q { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 20px 24px; cursor: pointer; font-weight: 600; color: var(--kx-ink); font-size: 16px; }
.faq-card .faq-q .faq-icon {
  flex: 0 0 32px; height: 32px; border-radius: 50%;
  background: var(--kx-primary-100); display: flex; align-items: center; justify-content: center;
  transition: all .25s ease; font-size: 14px; color: var(--kx-primary-600);
}
.faq-card.active .faq-q { color: var(--kx-primary-600); }
.faq-card.active .faq-q .faq-icon { background: var(--kx-primary); color: #fff; transform: rotate(135deg); }
.faq-card .faq-a { display: none; padding: 0 24px 22px; color: var(--kx-text); font-size: .95rem; line-height: 1.9; }
.faq-card.active .faq-a { display: block; }

/* btn scroll top */
.scroll-top-btn { position: fixed; right: 28px; bottom: 28px; z-index: 100; width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--kx-primary); background: rgba(255,255,255,.9); color: var(--kx-primary-600); display: flex; align-items: center; justify-content: center; transition: all .2s; opacity: 0; visibility: hidden; transform: translateY(10px); }
.scroll-top-btn.show { opacity: 1; visibility: visible; transform: none; }
.scroll-top-btn:hover { background: var(--kx-primary); color: #fff; }
@media (max-width: 575.98px) { .scroll-top-btn { right: 16px; bottom: 16px; } }

/* extra tip */
.notice-bubble { background: var(--kx-primary-100); border-radius: var(--kx-radius-md); border: 1px solid rgba(13,122,111,.12); padding: 16px 22px; color: var(--kx-primary-600); font-size: .9rem; }
.notice-bubble i { font-size: 18px; }

/* video/style banner for visual */
.pixel-quote {
  display: flex; gap: 18px;
  background: #fff;
  border-radius: var(--kx-radius-lg);
  padding: 24px;
  box-shadow: var(--kx-shadow);
  border: 1px solid var(--kx-line);
  transition: all .25s ease;
}
.pixel-quote:hover { transform: translateY(-4px); box-shadow: var(--kx-shadow-hover); }
.pixel-quote .quote-icon { flex: 0 0 44px; height: 44px; border-radius: 50%; background: var(--kx-gradient-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.pixel-quote h4 { font-size: 1.05rem; margin-bottom: 4px; color: var(--kx-ink); font-weight: 700; }
.pixel-quote p { margin: 0; font-size: .875rem; color: var(--kx-muted); }

@media (max-width: 991.98px) { .kx-container { padding-left: 20px; padding-right: 20px; } section { padding: 64px 0; } }
@media (max-width: 575.98px) { .kx-container { padding-left: 16px; padding-right: 16px; } section { padding: 44px 0; } .section-head { margin-bottom: 28px; } }