/* roulang page: index */
:root {
  --primary: #FF7A00;
  --primary-light: #FF9A3C;
  --primary-dark: #FF6B00;
  --secondary: #00A8A8;
  --bg-body: #F8F7F4;
  --bg-card: #FFFFFF;
  --bg-dark: #1A1A2E;
  --text-main: #26262B;
  --text-sub: #5A5A64;
  --text-light: #9A9AA4;
  --border-color: #EDECEA;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-card: 0 8px 30px rgba(26, 26, 46, .06);
  --shadow-hover: 0 16px 40px rgba(255, 122, 0, .12);
  --grad-primary: linear-gradient(135deg, #FF9A3C 0%, #FF6B00 100%);
  --font-en: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  margin: 0;
  padding: 0;
  font-size: .95rem;
}
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; margin-top: 0; }
p { margin-top: 0; }
a { text-decoration: none; transition: all .2s ease; }
img { max-width: 100%; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1320px; padding-left: 20px; padding-right: 20px; }

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  height: 76px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(26,26,46,.04);
}
.site-header .container { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 42px; height: 42px;
  background: var(--grad-primary);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem; font-weight: 800;
  box-shadow: 0 4px 12px rgba(255,122,0,.25);
}
.brand-text { font-size: 1.2rem; font-weight: 800; color: var(--text-main); letter-spacing: .5px; }
.brand-text span { color: var(--primary); }
.nav-main { display: flex; align-items: center; gap: 4px; }
.nav-main a {
  padding: 8px 16px;
  font-size: .98rem;
  color: var(--text-main);
  font-weight: 500;
  position: relative;
  border-radius: 8px;
}
.nav-main a:hover { color: var(--primary); background: #FFF7F0; }
.nav-main a.active { color: var(--primary); font-weight: 600; }
.nav-main a.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 16px; right: 16px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}
.nav-actions { display: flex; align-items: center; gap: 16px; }
.search-box {
  background: #F4F3F1;
  border-radius: 50px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  transition: border-color .2s;
  width: 200px;
}
.search-box:focus-within { border-color: var(--primary-light); background: #fff; }
.search-box i { color: var(--text-light); font-size: .9rem; }
.search-box input {
  border: none; background: transparent; outline: none;
  width: 100%; font-size: .85rem; color: var(--text-main);
}
.btn-login {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 10px 28px;
  font-size: .92rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(255,122,0,.3);
  transition: all .25s ease;
}
.btn-login:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(255,122,0,.4); }
.btn-login:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.btn-secondary-nav {
  background: #fff;
  color: var(--secondary);
  border: 1px solid var(--secondary);
  border-radius: 50px;
  padding: 10px 24px;
  font-size: .92rem;
  font-weight: 600;
}
.btn-secondary-nav:hover { border-color: var(--primary); color: var(--primary); background: #FFF8F2; }
.navbar-toggler { border: none; border-radius: 10px; padding: 6px 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,122,0,.2); }
.navbar-toggler i { font-size: 1.4rem; color: var(--text-main); }
@media (max-width: 991.98px) {
  .nav-main { display: none; }
  .search-box { width: 160px; }
}
@media (max-width: 767.98px) {
  .site-header { height: 64px; }
  .site-header .container { height: 64px; }
  .brand-text { font-size: 1rem; }
  .brand-mark { width: 36px; height: 36px; font-size: 1.2rem; }
  .search-box { display: none; }
  .nav-actions .btn-login { padding: 8px 18px; font-size: .85rem; }
}
/* 移动端折叠菜单 */
.mobile-nav {
  background: #fff;
  border-top: 1px solid var(--border-color);
  padding: 16px 20px;
  display: none;
  position: absolute;
  top: 64px; left: 0; right: 0;
  box-shadow: 0 12px 30px rgba(26,26,46,.1);
  border-radius: 0 0 20px 20px;
  z-index: 999;
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 12px 8px;
  border-radius: 10px;
  color: var(--text-main);
  font-weight: 500;
  border-bottom: 1px solid #f5f4f2;
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--primary); background: #FFF8F2; }
.mobile-nav .search-box { display: flex; width: 100%; margin-top: 12px; }
.mobile-nav .btn-login { width: 100%; justify-content: center; margin-top: 12px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #FFF6EE 0%, #FFFFFF 70%);
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(255,122,0,.08) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-left h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  letter-spacing: .5px;
  margin-bottom: 20px;
}
.hero-left h1 .highlight { color: var(--primary); position: relative; }
.hero-left p {
  font-size: 1.1rem;
  color: var(--text-sub);
  line-height: 1.9;
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-figure { position: relative; }
.hero-figure .main-img {
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(26,26,46,.12);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
@media (max-width: 991.98px) {
  .hero-figure .main-img { height: 300px; }
}
.float-badge {
  position: absolute;
  width: 96px; height: 96px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(255,122,0,.4);
  font-family: var(--font-en);
  z-index: 2;
}
.float-badge .num { font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.float-badge .lbl { font-size: .65rem; font-family: "PingFang SC","Microsoft YaHei",sans-serif; }
.float-badge.b1 { top: 20px; right: 10px; }
.float-badge.b2 { bottom: 30px; left: -10px; width: 88px; height: 88px; }
.hero-tags {
  margin-top: 40px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-tags .tag {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: .85rem;
  color: var(--text-sub);
  display: flex; align-items: center; gap: 8px;
}
.hero-tags .tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
}
@media (max-width: 767.98px) {
  .hero { padding: 48px 0 40px; }
  .hero-tags .tag { padding: 6px 14px; font-size: .78rem; }
  .float-badge.b1 { width: 72px; height: 72px; right: 0; }
  .float-badge.b1 .num { font-size: 1.2rem; }
}

/* ===== Pain Section ===== */
.pain-section { padding: 80px 0; }
.pain-left h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin-bottom: 20px;
}
.pain-left .lead { color: var(--text-sub); line-height: 1.9; }
.pain-cards { display: flex; flex-direction: column; gap: 16px; }
.pain-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all .25s ease;
}
.pain-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.pain-card .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #FF9A3C, #FF6B00);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
  flex-shrink: 0;
}
.pain-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
.pain-card p { color: var(--text-sub); font-size: .88rem; margin-bottom: 0; }
.pain-card a { color: var(--primary); font-size: .85rem; font-weight: 600; }
.pain-card a:hover { text-decoration: underline; }

/* ===== Solution Dark ===== */
.solution-section {
  background: var(--bg-dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.solution-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,122,0,.2), transparent 70%);
  border-radius: 50%;
}
.solution-section h2 { color: #fff; text-align: center; font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 48px; position: relative; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
@media (max-width: 991.98px) {
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .solution-grid { grid-template-columns: 1fr; }
}
.solution-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 28px 24px;
  transition: all .3s ease;
}
.solution-card:hover { border-color: var(--primary); transform: translateY(-4px); background: rgba(255,255,255,.1); }
.solution-card .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 16px;
}
.solution-card h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.solution-card p { color: rgba(255,255,255,.65); font-size: .88rem; line-height: 1.7; margin-bottom: 0; }

/* ===== Data Section ===== */
.data-section { padding: 80px 0; }
.data-left h3 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); font-weight: 700; margin-bottom: 16px; }
.data-left p { color: var(--text-sub); }
.data-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 991.98px) {
  .data-badges { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .data-badges { grid-template-columns: 1fr; }
}
.data-badge {
  background: #fff;
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.data-badge:hover { border-color: #FFE5CC; transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.data-badge .dot {
  position: absolute;
  top: 14px; right: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
}
.data-badge .num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.data-badge .lbl { font-size: .85rem; color: var(--text-sub); margin-top: 6px; }

/* ===== Testimonials ===== */
.testi-section { background: #FDF6EE; padding: 80px 0; }
.testi-kicker {
  font-size: .85rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}
.testi-section h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 48px; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
@media (max-width: 991.98px) {
  .testi-grid { grid-template-columns: 1fr; gap: 20px; }
}
.testi-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: all .3s ease;
  border: 1px solid transparent;
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.testi-card.middle { transform: translateY(20px); border-color: #FFD9B3; }
.testi-card.middle:hover { transform: translateY(16px); }
@media (max-width: 991.98px) {
  .testi-card.middle { transform: none; }
  .testi-card.middle:hover { transform: translateY(-4px); }
}
.testi-stars { color: var(--primary); font-size: .95rem; margin-bottom: 12px; }
.testi-card p { color: var(--text-sub); font-size: .92rem; line-height: 1.8; margin-bottom: 16px; }
.testi-user { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFE0C2, #FF9A3C);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .9rem;
}
.testi-user .name { font-weight: 600; font-size: .92rem; }
.testi-user .role { font-size: .8rem; color: var(--text-light); }

/* ===== CTA ===== */
.cta-section { padding: 80px 0; }
.cta-card {
  background: linear-gradient(135deg, #FF8A2A 0%, #FF6B00 100%);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
}
.cta-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .15;
  z-index: 0;
}
.cta-card > * { position: relative; z-index: 1; }
.cta-card h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
.cta-card p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 32px; }
.btn-white {
  background: #fff;
  color: var(--primary);
  border: none;
  border-radius: 50px;
  padding: 14px 40px;
  font-size: 1rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
  transition: all .25s ease;
}
.btn-white:hover { color: var(--primary-dark); transform: translateY(-2px) scale(1.02); box-shadow: 0 12px 30px rgba(0,0,0,.2); }

/* ===== News ===== */
.news-section { padding: 80px 0; }
.news-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 12px; }
.news-header h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-bottom: 0; }
.news-more a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-more a:hover { color: var(--primary-dark); border-color: var(--primary-dark); }
.news-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: stretch; }
@media (max-width: 991.98px) {
  .news-grid { grid-template-columns: 1fr; }
}
.news-featured {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  transition: all .3s ease;
}
.news-featured:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-featured .img-wrap { height: 220px; overflow: hidden; }
.news-featured .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-featured:hover .img-wrap img { transform: scale(1.04); }
.news-featured .content { padding: 24px; }
.news-featured .badge-date {
  background: var(--grad-primary);
  color: #fff;
  border-radius: 50px;
  padding: 4px 14px;
  font-size: .78rem;
  display: inline-block;
  margin-bottom: 12px;
}
.news-featured h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.news-featured h3 a { color: var(--text-main); }
.news-featured h3 a:hover { color: var(--primary); }
.news-featured p { color: var(--text-sub); font-size: .9rem; line-height: 1.8; margin-bottom: 16px; }
.news-link a {
  color: var(--primary);
  font-weight: 600;
  font-size: .88rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-link a:hover { gap: 8px; }
.news-side { display: flex; flex-direction: column; gap: 16px; }
.news-small {
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  display: flex;
  gap: 16px;
  align-items: center;
  transition: all .25s ease;
}
.news-small:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.news-small .thumb {
  width: 80px; height: 80px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.news-small .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-small .info h4 { font-size: .95rem; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.news-small .info h4 a { color: var(--text-main); }
.news-small .info h4 a:hover { color: var(--primary); }
.news-small .info .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.news-small .info .cat {
  background: #FFF3E8;
  color: var(--primary);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: .72rem;
}
.news-small .info .time { font-size: .78rem; color: var(--text-light); }
.news-empty {
  grid-column: 1 / -1;
  background: #fff;
  border: 2px dashed #E4E3E1;
  border-radius: 20px;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-light);
}
.news-empty i { font-size: 2rem; margin-bottom: 12px; color: #C9C8C5; display: block; }

/* ===== FAQ ===== */
.faq-section { padding: 80px 0; background: #fff; }
.faq-section h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); text-align: center; margin-bottom: 48px; }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: #FBF9F7;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all .2s;
}
.faq-item summary:hover { color: var(--primary); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary);
  transition: transform .3s;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item .faq-body { padding: 0 24px 20px; color: var(--text-sub); font-size: .92rem; line-height: 1.8; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.7); padding-top: 0; position: relative; }
.footer-top-line { height: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-dark), var(--secondary)); }
.footer-main { padding: 60px 0 40px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: .88rem; color: rgba(255,255,255,.6); line-height: 1.9; }
.footer-col-title { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .9rem; transition: all .2s; }
.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact { display: grid; gap: 12px; font-size: .9rem; }
.footer-contact i { color: var(--primary-light); width: 20px; margin-right: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
  font-size: .85rem;
  color: rgba(255,255,255,.4);
}

/* ===== Page Hero (内页) ===== */
.page-hero {
  background: linear-gradient(135deg, #FFF6EE 0%, #FFFFFF 70%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(255,122,0,.06) 1px, transparent 1px);
  background-size: 16px 16px;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  color: var(--text-main);
  position: relative;
  margin-bottom: 14px;
}
.page-hero p { color: var(--text-sub); font-size: 1.05rem; max-width: 600px; position: relative; margin-bottom: 0; }
.breadcrumb-nav {
  font-size: .82rem;
  color: var(--text-light);
  padding: 16px 0;
}
.breadcrumb-nav a { color: var(--text-sub); }
.breadcrumb-nav a:hover { color: var(--primary); }
.breadcrumb-nav span.sep { color: #C9C8C5; margin: 0 4px; }

/* ===== Article ===== */
.article-main { display: grid; grid-template-columns: 8fr 4fr; gap: 32px; margin-top: 24px; }
@media (max-width: 991.98px) {
  .article-main { grid-template-columns: 1fr; }
}
.article-body {
  background: #fff;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-card);
  font-size: .95rem;
  line-height: 1.9;
}
.article-body h2 { font-size: 1.4rem; margin-top: 32px; margin-bottom: 16px; border-left: 4px solid var(--primary); padding-left: 12px; }
.article-body h3 { font-size: 1.2rem; margin-top: 24px; margin-bottom: 12px; }
.article-body p { margin-bottom: 1.4rem; line-height: 1.9; }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: #FFF8F2;
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 12px 12px 0;
  color: var(--text-sub);
}
.article-body img { border-radius: 12px; margin: 24px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-body table th { background: #FFF3E8; font-weight: 700; padding: 12px; text-align: left; }
.article-body table td { padding: 12px; border-bottom: 1px solid #F0EFED; }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; color: var(--text-light); font-size: .88rem; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; margin-bottom: 24px; }
.article-tags { margin-top: 32px; display: flex; gap: 10px; flex-wrap: wrap; }
.article-tags .tag { background: #FFF3E8; color: var(--primary); font-size: .82rem; border-radius: 50px; padding: 6px 16px; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.article-nav a {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  color: var(--text-main);
  transition: all .25s;
  font-size: .9rem;
}
.article-nav a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.article-nav .nav-label { font-size: .78rem; color: var(--text-light); display: block; margin-bottom: 6px; }
@media (max-width: 576px) {
  .article-nav { grid-template-columns: 1fr; }
}

/* ===== Sidebar ===== */
.sidebar-card {
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}
.sidebar-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 16px; border-bottom: 2px solid #F0EFED; padding-bottom: 12px; }
.sidebar-card h3 span { border-bottom: 2px solid var(--primary); padding-bottom: 12px; display: inline-block; margin-bottom: -14px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.sidebar-list a {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-radius: 12px;
  color: var(--text-main);
  font-size: .9rem;
  transition: all .25s;
}
.sidebar-list a:hover { background: #FFF8F2; color: var(--primary); padding-left: 16px; }
.sidebar-list a i { color: var(--primary-light); font-size: .8rem; }
.sidebar-cta {
  background: var(--grad-primary);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  color: #fff;
}
.sidebar-cta h4 { font-size: 1.1rem; margin-bottom: 10px; }
.sidebar-cta p { font-size: .88rem; opacity: .85; margin-bottom: 20px; }
.sidebar-cta .btn-white { padding: 10px 24px; font-size: .88rem; }

/* ===== Category Page 1 ===== */
.cat-content-grid { display: grid; grid-template-columns: 8fr 4fr; gap: 32px; margin-top: 40px; }
@media (max-width: 991.98px) {
  .cat-content-grid { grid-template-columns: 1fr; }
}
.cat-body-card {
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.cat-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
@media (max-width: 767.98px) {
  .cat-feature-grid { grid-template-columns: 1fr; }
}
.cat-feature-item {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  transition: all .25s;
}
.cat-feature-item:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.cat-feature-item .icon { color: var(--primary); font-size: 1.4rem; margin-bottom: 12px; }
.cat-feature-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.cat-feature-item p { font-size: .88rem; color: var(--text-sub); margin-bottom: 0; }

/* ===== Category Page 2 ===== */
.cat2-hero {
  background: var(--bg-dark);
  color: #fff;
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}
.cat2-hero::before {
  content: '';
  position: absolute;
  right: -80px; top: 0;
  width: 400px; height: 320px;
  background-image: url('/assets/images/coverpic/cover-2.png');
  background-size: cover;
  background-position: center;
  opacity: .06;
  transform: rotate(-12deg);
  border-radius: 24px;
}
.cat2-hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  position: relative;
  display: inline-block;
}
.cat2-hero h1::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 0;
  width: 60px; height: 4px;
  background: var(--primary);
  border-radius: 4px;
}
.cat2-hero p { color: rgba(255,255,255,.75); font-size: 1.05rem; max-width: 600px; margin-top: 24px; }
.cat2-body { max-width: 860px; margin: 0 auto; padding: 60px 0; }
.cat2-block {
  background: #fff;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
}
.cat2-block h2 { font-size: 1.3rem; margin-bottom: 16px; border-left: 4px solid var(--primary); padding-left: 14px; }
.cat2-block p { color: var(--text-sub); line-height: 1.9; }
.cat2-block blockquote {
  border-left: 4px solid var(--secondary);
  background: #F0FAFA;
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 12px 12px 0;
  color: var(--text-main);
  font-weight: 500;
}
.cat2-cta { text-align: center; padding: 20px 0 80px; }
.cat2-cta .btn-primary-lg {
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 16px 44px;
  font-size: 1.05rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(255,122,0,.35);
  transition: all .25s;
}
.cat2-cta .btn-primary-lg:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(255,122,0,.45); color: #fff; }
.cat2-cta .sub-link { display: block; margin-top: 16px; color: var(--text-light); font-size: .85rem; }
.cat2-cta .sub-link a { color: var(--primary); }

/* ===== 通用焦点样式 ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 移动端导航按钮 ===== */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}
@media (max-width: 991.98px) {
  .mobile-nav-toggle { display: block; }
}

/* ===== 平滑显示 ===== */
.fade-in { opacity: 0; transform: translateY(20px); animation: fadeInUp .6s ease forwards; }
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* roulang page: category1 */
:root {
            --color-primary: #FF7A00;
            --color-primary-light: #FF9A3C;
            --color-primary-dark: #FF6B00;
            --color-secondary: #00A8A8;
            --bg-page: #F8F7F4;
            --bg-card: #FFFFFF;
            --bg-dark: #1A1A2E;
            --text-main: #26262B;
            --text-sub: #5A5A64;
            --text-weak: #9A9AA4;
            --border-light: #EDECEA;
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-img: 24px;
            --shadow-card: 0 8px 30px rgba(26, 26, 46, .06);
            --shadow-hover: 0 16px 40px rgba(255, 122, 0, .12);
            --font-main: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
            --font-num: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: .95rem;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        img {
            max-width: 100%;
            object-fit: cover;
            border-radius: 12px;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1320px;
        }
        .btn {
            border-radius: var(--radius-btn);
        }
        .btn:focus-visible,
        a:focus-visible,
        input:focus-visible,
        button:focus-visible {
            outline: 2px solid #FF9A3C;
            outline-offset: 3px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 4px 24px rgba(26, 26, 46, .04);
            height: 76px;
        }
        .site-header .navbar {
            min-height: 76px;
            padding: 0;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            font-weight: 800;
            box-shadow: 0 6px 16px rgba(255, 122, 0, .28);
        }
        .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: .5px;
            line-height: 1.2;
        }
        .brand-text span {
            color: var(--color-primary);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-main a {
            position: relative;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text-sub);
            padding: 10px 0;
            white-space: nowrap;
        }
        .nav-main a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 3px;
            border-radius: 4px;
            background: var(--color-primary);
            transition: width .3s ease;
        }
        .nav-main a:hover,
        .nav-main a.active {
            color: var(--color-primary);
        }
        .nav-main a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-box {
            position: relative;
            width: 200px;
        }
        .search-box input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: 50px;
            background: #F4F3F1;
            padding: 0 44px 0 18px;
            font-size: .85rem;
            color: var(--text-main);
            transition: border-color .25s, box-shadow .25s;
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255, 122, 0, .12);
        }
        .search-box i {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            font-size: .85rem;
            color: var(--text-weak);
            pointer-events: none;
        }
        .btn-login-header {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            padding: 10px 28px;
            border: none;
            box-shadow: 0 6px 18px rgba(255, 122, 0, .25);
            transition: all .25s ease;
        }
        .btn-login-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 122, 0, .32);
            color: #fff;
            filter: brightness(1.08);
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--text-main);
            font-size: 1.3rem;
            display: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #FFF6EE 0%, #FFFFFF 60%);
            padding: 72px 0 76px;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .09;
            pointer-events: none;
        }
        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 3.4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .page-hero h1 span {
            color: var(--color-primary);
            position: relative;
            display: inline-block;
        }
        .page-hero h1 span::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 8px;
            background: rgba(255, 122, 0, .18);
            border-radius: 6px;
            z-index: -1;
        }
        .page-hero .hero-sub {
            font-size: 1rem;
            color: var(--text-sub);
            max-width: 560px;
            line-height: 1.8;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: .82rem;
            font-weight: 500;
            color: var(--text-sub);
            box-shadow: 0 4px 14px rgba(26, 26, 46, .03);
        }
        .hero-badge::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            padding: 18px 0 0;
            background: var(--bg-page);
        }
        .breadcrumb-cus {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            color: var(--text-weak);
            background: transparent;
            margin-bottom: 0;
        }
        .breadcrumb-cus a {
            color: var(--text-sub);
        }
        .breadcrumb-cus a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-cus i {
            font-size: .7rem;
        }

        /* ========== Main Section ========== */
        .section-block {
            padding: 64px 0;
        }
        .section-block .section-head {
            margin-bottom: 36px;
        }
        .section-block .section-title {
            font-size: clamp(1.6rem, 2.4vw, 2rem);
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .section-block .section-desc {
            color: var(--text-sub);
            max-width: 640px;
        }
        .guide-intro-section {
            padding: 42px 0 68px;
        }
        .guide-content-main {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px;
            margin-bottom: 32px;
        }
        .guide-content-main .lead-text {
            font-size: 1rem;
            line-height: 1.95;
            color: var(--text-sub);
            margin-bottom: 28px;
        }
        .guide-content-main h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 32px 0 18px;
            padding-bottom: 10px;
            border-bottom: 2px solid #FFF3E8;
            position: relative;
        }
        .guide-content-main h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 46px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        /* 登录方式卡片 */
        .method-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            height: 100%;
            box-shadow: 0 4px 16px rgba(26, 26, 46, .03);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }
        .method-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 122, 0, .35);
        }
        .method-card .method-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(255, 154, 60, .18), rgba(255, 107, 0, .18));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .method-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .method-card p {
            font-size: .86rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* 准备清单 */
        .check-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .check-list li {
            position: relative;
            padding: 10px 0 10px 34px;
            border-bottom: 1px solid #F4F3F1;
            font-size: .92rem;
            color: var(--text-sub);
            line-height: 1.7;
        }
        .check-list li:last-child {
            border-bottom: none;
        }
        .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(0, 168, 168, .14);
            color: var(--color-secondary);
            font-size: .65rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 步骤流程 */
        .step-list {
            counter-reset: step;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-list li {
            counter-increment: step;
            position: relative;
            padding: 14px 0 14px 54px;
            border-left: 2px solid #EDECEA;
            margin-left: 22px;
        }
        .step-list li:last-child {
            border-left-color: transparent;
        }
        .step-list li::before {
            content: counter(step);
            position: absolute;
            left: -24px;
            top: 14px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 18px rgba(255, 122, 0, .26);
        }
        .step-list li strong {
            display: block;
            color: var(--text-main);
            font-size: .98rem;
            font-weight: 600;
        }
        .step-list li p {
            color: var(--text-sub);
            font-size: .88rem;
            margin: 4px 0 0;
            line-height: 1.65;
        }

        /* 大图 */
        .figure-guide {
            margin: 30px 0 10px;
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
        }
        .figure-guide img {
            width: 100%;
            height: 260px;
            border-radius: var(--radius-img);
        }
        .figure-guide figcaption {
            font-size: .82rem;
            color: var(--text-weak);
            text-align: center;
            padding: 10px 0 0;
        }

        /* 异常处理 */
        .trouble-block {
            background: #FFFBF7;
            border-radius: 16px;
            border: 1px solid #FFF0E0;
            padding: 24px;
            margin-top: 24px;
        }
        .trouble-item {
            padding: 8px 0;
            border-bottom: 1px dashed #EDECEA;
            font-size: .9rem;
        }
        .trouble-item:last-child {
            border-bottom: none;
        }
        .trouble-item strong {
            color: var(--text-main);
            font-weight: 600;
            margin-right: 8px;
        }
        .trouble-item span {
            color: var(--text-sub);
        }

        /* ========== Sidebar ========== */
        .side-col .side-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 24px;
        }
        .side-col .side-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid #FFF3E8;
            position: relative;
        }
        .side-col .side-card-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 34px;
            height: 2px;
            background: var(--color-primary);
        }
        .side-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-links li {
            margin-bottom: 10px;
        }
        .side-links a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: #FAFAF8;
            border-radius: 14px;
            padding: 12px 14px;
            border: 1px solid transparent;
            transition: all .25s ease;
        }
        .side-links a:hover {
            background: #FFF6EE;
            border-color: rgba(255, 122, 0, .25);
        }
        .side-links a i {
            color: var(--color-primary);
            font-size: .85rem;
            margin-top: 5px;
            flex-shrink: 0;
        }
        .side-links a .link-txt {
            font-size: .88rem;
            color: var(--text-main);
            font-weight: 500;
            line-height: 1.4;
        }
        .side-links a .link-txt small {
            display: block;
            font-size: .78rem;
            color: var(--text-weak);
            font-weight: 400;
            margin-top: 2px;
        }
        .side-cat-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-cat-links li {
            margin-bottom: 10px;
        }
        .side-cat-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            font-size: .88rem;
            color: var(--text-main);
            font-weight: 500;
            transition: all .25s ease;
        }
        .side-cat-links a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #FFFBF7;
        }
        .side-cat-links a i {
            font-size: .78rem;
            transition: transform .25s;
        }
        .side-cat-links a:hover i {
            transform: translateX(4px);
        }
        .mini-cta-card {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            border-radius: 20px;
            padding: 28px 24px;
            color: #fff;
            text-align: center;
            box-shadow: 0 12px 32px rgba(255, 122, 0, .3);
        }
        .mini-cta-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .mini-cta-card p {
            font-size: .84rem;
            opacity: .92;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .mini-cta-card .btn-light-cus {
            background: #fff;
            color: var(--color-primary);
            border-radius: 50px;
            padding: 10px 26px;
            font-weight: 600;
            font-size: .86rem;
            display: inline-block;
            transition: all .25s ease;
        }
        .mini-cta-card .btn-light-cus:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .14);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-page);
            padding: 64px 0;
        }
        .faq-section .faq-title {
            font-size: clamp(1.6rem, 2.4vw, 2rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
        }
        .faq-section .faq-sub {
            text-align: center;
            color: var(--text-sub);
            margin-bottom: 40px;
        }
        .accordion-cus .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: 16px !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: 0 4px 14px rgba(26, 26, 46, .02);
        }
        .accordion-cus .accordion-button {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-card);
            padding: 20px 24px;
            border: none;
            box-shadow: none;
        }
        .accordion-cus .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: #FFFBF7;
        }
        .accordion-cus .accordion-button:focus {
            box-shadow: none;
        }
        .accordion-cus .accordion-button::after {
            color: var(--color-primary);
        }
        .accordion-cus .accordion-body {
            padding: 4px 24px 20px;
            font-size: .9rem;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* ========== CTA Strip ========== */
        .cta-strip-section {
            padding: 0 0 70px;
        }
        .cta-strip {
            background: linear-gradient(100deg, #FF8A2A, #FF6B00);
            border-radius: 24px;
            padding: 36px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            color: #fff;
            box-shadow: 0 20px 48px rgba(255, 107, 0, .26);
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: .08;
        }
        .cta-strip .cta-txt {
            position: relative;
            z-index: 2;
        }
        .cta-strip .cta-txt h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cta-strip .cta-txt p {
            font-size: .9rem;
            opacity: .9;
            margin: 0;
        }
        .cta-strip .btn-cta-white {
            position: relative;
            z-index: 2;
            background: #fff;
            color: var(--color-primary-dark);
            border-radius: 50px;
            padding: 12px 36px;
            font-weight: 700;
            font-size: .92rem;
            border: none;
            box-shadow: 0 8px 22px rgba(0, 0, 0, .14);
            transition: all .25s ease;
            flex-shrink: 0;
        }
        .cta-strip .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
            color: var(--color-primary);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .78);
        }
        .footer-top-line {
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        }
        .footer-main {
            padding: 54px 0 30px;
        }
        .site-footer .brand-text {
            color: #fff;
        }
        .site-footer .brand-text span {
            color: var(--color-primary-light);
        }
        .site-footer .brand-mark {
            width: 36px;
            height: 36px;
            font-size: 1rem;
        }
        .footer-brand p {
            font-size: .85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .62);
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: .85rem;
            color: rgba(255, 255, 255, .6);
            transition: color .25s;
        }
        .footer-links a:hover {
            color: var(--color-primary-light);
        }
        .footer-contact {
            font-size: .85rem;
            line-height: 2.1;
            color: rgba(255, 255, 255, .6);
        }
        .footer-contact i {
            width: 22px;
            color: var(--color-primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
        }
        .footer-bottom p {
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .search-box {
                width: 160px;
            }
            .nav-main {
                gap: 18px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-collapse {
                background: #fff;
                border-radius: 0 0 20px 20px;
                padding: 16px 20px 24px;
                box-shadow: 0 24px 40px rgba(26, 26, 46, .1);
                border: 1px solid var(--border-light);
                border-top: none;
                margin-top: 8px;
            }
            .nav-main {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                margin: 10px 0 14px;
            }
            .nav-main a {
                width: 100%;
                padding: 10px 8px;
                border-bottom: 1px solid #F4F3F1;
                font-size: .95rem;
            }
            .nav-main a::after {
                display: none;
            }
            .header-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                width: 100%;
            }
            .search-box {
                width: 100%;
            }
            .btn-login-header {
                text-align: center;
            }
            .page-hero {
                padding: 52px 0;
            }
            .guide-content-main {
                padding: 26px;
            }
            .cta-strip {
                padding: 30px 26px;
            }
        }
        @media (max-width: 767.98px) {
            body {
                font-size: .9rem;
            }
            .brand-text {
                font-size: 1.05rem;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                padding: 6px 12px;
                font-size: .75rem;
            }
            .section-block {
                padding: 44px 0;
            }
            .guide-intro-section {
                padding: 24px 0 44px;
            }
            .guide-content-main {
                padding: 20px;
            }
            .step-list li::before {
                width: 38px;
                height: 38px;
                left: -19px;
            }
            .step-list li {
                padding-left: 44px;
            }
            .figure-guide img {
                height: 200px;
            }
            .faq-section {
                padding: 44px 0;
            }
            .cta-strip-section {
                padding: 0 0 50px;
            }
            .cta-strip {
                flex-direction: column;
                text-align: center;
            }
            .footer-main {
                padding: 40px 0 20px;
            }
        }
        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: 1.65rem;
            }
            .guide-content-main .lead-text {
                font-size: .9rem;
            }
            .method-card {
                padding: 18px 16px;
            }
            .trouble-block {
                padding: 18px;
            }
            .side-col .side-card {
                padding: 18px;
            }
            .cta-strip .btn-cta-white {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #FF7A00;
  --primary-light: #FF9A3C;
  --primary-dark: #FF6B00;
  --secondary: #00A8A8;
  --bg: #F8F7F4;
  --card-bg: #FFFFFF;
  --dark: #1A1A2E;
  --text: #26262B;
  --text-sub: #5A5A64;
  --text-muted: #9A9AA4;
  --border: #EDECEA;
  --radius: 20px;
  --radius-sm: 8px;
  --shadow: 0 8px 30px rgba(26, 26, 46, .06);
  --shadow-hover: 0 16px 40px rgba(255, 122, 0, .14);
  --gradient: linear-gradient(135deg, #FF9A3C 0%, #FF6B00 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease; }
img { max-width: 100%; height: auto; }
ul, ol { margin: 0; padding: 0; }
button { border: none; background: none; }
input { outline: none; }
.container { max-width: 1320px; }

.btn { border-radius: 50px; font-weight: 600; padding: 10px 28px; transition: all .3s ease; }
.btn:focus, .btn:focus-visible { box-shadow: 0 0 0 .25rem rgba(255, 122, 0, .18); }

.btn-primary-custom {
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 10px 28px;
  font-weight: 600;
  font-size: .95rem;
  box-shadow: 0 6px 16px rgba(255, 122, 0, .24);
  transition: all .3s ease;
}
.btn-primary-custom:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 122, 0, .32); }

.btn-outline-custom {
  background: #fff;
  color: var(--secondary);
  border: 1px solid var(--secondary);
  border-radius: 50px;
  padding: 10px 26px;
  font-weight: 600;
}
.btn-outline-custom:hover { border-color: var(--primary); color: var(--primary); background: #fff; }

.btn-white-custom {
  background: #fff;
  color: var(--primary);
  border-radius: 50px;
  padding: 10px 26px;
  font-weight: 600;
  border: none;
  display: inline-block;
  transition: all .3s ease;
}
.btn-white-custom:hover { color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, .16); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(26, 26, 46, .04);
}
.site-header .navbar { min-height: 76px; padding: 0; }

.navbar-brand {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(255, 122, 0, .24);
}
.brand-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: .02em;
}
.brand-text span { color: var(--primary); }

.nav-main {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-main a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--text);
  border-radius: 30px;
  white-space: nowrap;
}
.nav-main a:hover { color: var(--primary); background: rgba(255, 122, 0, .05); }
.nav-main a.active { color: var(--primary); font-weight: 600; }
.nav-main a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

@media (min-width: 992px) {
  #mainNavbar {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
  }
  .nav-main { margin: 0 auto; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  position: relative;
  width: 200px;
  margin: 0;
}
.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: .82rem;
  pointer-events: none;
}
.search-box input {
  width: 100%;
  background: #F4F3F1;
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 9px 15px 9px 36px;
  font-size: .85rem;
  color: var(--text);
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, .12);
}
.navbar-toggler { border: none; padding: 6px 10px; border-radius: 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 2px var(--primary-light); }

.breadcrumb-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.breadcrumb { margin: 0; font-size: .85rem; }
.breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--text-sub); }
.breadcrumb-item + .breadcrumb-item::before { content: "›" !important; color: var(--text-muted); }

.article-page {
  padding: 48px 0 80px;
  background:
    radial-gradient(circle at top left, rgba(255, 122, 0, .04) 0, transparent 420px),
    var(--bg);
}
.article-main {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 40px;
}
.article-header {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.article-header h1 {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 14px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  color: var(--text-muted);
  font-size: .85rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-meta i { color: var(--primary); }
.cat-badge {
  background: #FFF3E8;
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
}

.article-body {
  font-size: .98rem;
  line-height: 1.9;
  color: var(--text);
  word-break: break-word;
}
.article-body p { margin-bottom: 1.6rem; }
.article-body h2 {
  font-size: 1.45rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  padding-bottom: 10px;
  border-bottom: 3px solid rgba(255, 122, 0, .2);
}
.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin: 1.8rem 0 .9rem;
}
.article-body blockquote {
  margin: 1.6rem 0;
  padding: 16px 20px;
  background: #FFF6EE;
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: var(--text-sub);
}
.article-body img { border-radius: 12px; margin: 1rem 0; }
.article-body ul, .article-body ol { padding-left: 1.5rem; margin-bottom: 1.6rem; }
.article-body li { margin-bottom: .45rem; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .9rem; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-body th { background: #FFF3E8; font-weight: 600; color: var(--text); }
.article-body a { color: var(--secondary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary); }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 26px;
  margin-top: 34px;
  border-top: 1px solid var(--border);
}
.tag-pill {
  display: inline-block;
  background: #F4F3F1;
  color: var(--text-sub);
  font-size: .8rem;
  padding: 6px 16px;
  border-radius: 50px;
  transition: all .3s;
}
.tag-pill:hover { background: #FFF3E8; color: var(--primary); }

.post-nav {
  padding-top: 28px;
  margin-top: 30px;
  border-top: 1px solid var(--border);
}
.post-nav-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  height: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  transition: all .3s ease;
}
.post-nav-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  background: #fff;
}
.post-nav-label { font-size: .78rem; color: var(--text-muted); }
.post-nav-text { font-size: .95rem; font-weight: 600; color: var(--text); }

.article-empty { text-align: center; padding: 70px 20px; }
.article-empty i { font-size: 3rem; color: var(--text-muted); margin-bottom: 18px; display: block; }
.article-empty p { font-size: 1rem; color: var(--text-sub); margin-bottom: 24px; }

.related-section { margin-top: 48px; }
.related-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 22px;
}
.related-section-title::before {
  content: "";
  width: 4px;
  height: 20px;
  border-radius: 4px;
  background: var(--gradient);
}
.related-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 14px;
  box-shadow: 0 2px 10px rgba(26, 26, 46, .03);
  transition: all .3s ease;
}
.related-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.related-cover {
  width: 116px;
  min-width: 116px;
  height: 78px;
  border-radius: 12px;
  overflow: hidden;
  background: #F4F3F1;
}
.related-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.related-body { display: flex; flex-direction: column; justify-content: center; gap: 6px; min-width: 0; }
.related-title-text {
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-title-text { color: var(--primary); }
.related-time { font-size: .78rem; color: var(--text-muted); }
.related-empty {
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: var(--bg);
  text-align: center;
  padding: 36px 24px;
}
.related-empty p { color: var(--text-sub); margin-bottom: 16px; }

.sidebar-sticky { display: flex; flex-direction: column; gap: 24px; }
@media (min-width: 992px) {
  .sidebar-sticky { position: sticky; top: 96px; }
}
.sidebar-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.sidebar-title {
  position: relative;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  padding-bottom: 12px;
}
.sidebar-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient);
}

.side-list { list-style: none; }
.side-list li { border-bottom: 1px dashed var(--border); }
.side-list li:last-child { border-bottom: none; }
.side-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}
.side-list-thumb {
  width: 58px;
  min-width: 58px;
  height: 58px;
  border-radius: 10px;
  overflow: hidden;
  background: #F4F3F1;
}
.side-list-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.side-list-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.side-list-title {
  font-size: .86rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.side-list a:hover .side-list-title { color: var(--primary); }
.side-list-date { font-size: .76rem; color: var(--text-muted); }

.side-cats { list-style: none; }
.side-cats li { margin-bottom: 10px; }
.side-cats li:last-child { margin-bottom: 0; }
.side-cats a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  background: var(--bg);
  border-radius: 12px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  transition: all .3s;
  border: 1px solid transparent;
}
.side-cats a:hover {
  background: #FFF3E8;
  color: var(--primary);
  border-color: rgba(255, 122, 0, .15);
}
.side-cats a i { font-size: .7rem; opacity: .5; transition: transform .3s; }
.side-cats a:hover i { transform: translateX(3px); opacity: 1; }

.cta-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 122, 0, .94), rgba(255, 107, 0, .94)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border: none;
  box-shadow: 0 12px 30px rgba(255, 122, 0, .25);
}
.cta-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}
.cta-card h3 {
  position: relative;
  z-index: 2;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.cta-card p {
  position: relative;
  z-index: 2;
  color: rgba(255, 255, 255, .85);
  font-size: .86rem;
  line-height: 1.7;
  margin-bottom: 18px;
}
.cta-card .btn-white-custom { position: relative; z-index: 2; }

.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .7);
}
.footer-top-line {
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}
.footer-main { padding: 56px 0 40px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p {
  color: rgba(255, 255, 255, .6);
  font-size: .88rem;
  line-height: 1.8;
  margin: 0;
}
.footer-col-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, .65); font-size: .88rem; }
.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-contact div { margin-bottom: 10px; color: rgba(255, 255, 255, .65); font-size: .88rem; }
.footer-contact i { width: 22px; color: var(--primary-light); margin-right: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 18px 0;
  text-align: center;
}
.footer-bottom p { color: rgba(255, 255, 255, .45); font-size: .82rem; margin: 0; }

@media (max-width: 991.98px) {
  .navbar-collapse {
    background: #fff;
    padding: 14px 0 18px;
    border-top: 1px solid var(--border);
    margin-top: 12px;
  }
  .nav-main {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
  }
  .nav-main a {
    padding: 11px 16px;
    border-radius: 12px;
  }
  .nav-main a.active { background: rgba(255, 122, 0, .08); }
  .nav-main a.active::after { display: none; }
  .header-actions {
    flex-direction: column;
    align-items: stretch;
    margin-top: 14px;
    gap: 10px;
  }
  .search-box { width: 100%; }
  .search-box input { width: 100%; }
  .btn-primary-custom { width: 100%; text-align: center; }
}

@media (max-width: 767.98px) {
  .article-page { padding: 28px 0 56px; }
  .article-main { padding: 24px 20px; }
  .article-meta { gap: 10px 14px; font-size: .8rem; }
  .related-card { padding: 10px; }
  .related-cover { width: 96px; min-width: 96px; height: 68px; }
  .footer-main { padding: 40px 0 24px; }
}

@media (max-width: 575.98px) {
  .brand-text { font-size: 1rem; }
  .brand-mark { width: 36px; height: 36px; font-size: 1rem; }
  .article-header h1 { font-size: 1.5rem; }
  .article-body { font-size: .95rem; }
}

/* roulang page: category2 */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&display=swap');

        /* ========== 设计变量 ========== */
        :root {
            --primary: #FF7A00;
            --primary-light: #FF9A3C;
            --primary-dark: #FF6B00;
            --secondary: #00A8A8;
            --bg-body: #F8F7F4;
            --bg-card: #FFFFFF;
            --dark: #1A1A2E;
            --text-main: #26262B;
            --text-sub: #5A5A64;
            --text-weak: #9A9AA4;
            --border: #EDECEA;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 6px;
            --shadow: 0 8px 30px rgba(26, 26, 46, .06);
            --shadow-hover: 0 16px 40px rgba(255, 122, 0, .12);
            --font-en: 'Barlow Condensed', 'Oswald', system-ui, sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: .95rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button,
        input {
            font-family: inherit;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: 1320px;
        }
        .section-padding {
            padding: 80px 0;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(26, 26, 46, .03);
        }
        .site-header .navbar {
            padding: 0;
            min-height: 76px;
        }
        .brand {
            display: flex;
            align-items: center;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            box-shadow: 0 4px 12px rgba(255, 122, 0, .3);
        }
        .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .brand-text span {
            color: var(--primary);
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }
        .nav-main a {
            position: relative;
            padding: 28px 14px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 3px solid transparent;
            transition: color .2s, border-color .2s;
        }
        .nav-main a:hover {
            color: var(--primary);
        }
        .nav-main a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #F4F3F1;
            border-radius: 50px;
            padding: 8px 16px;
            width: 210px;
            transition: box-shadow .2s;
        }
        .search-box:focus-within {
            box-shadow: 0 0 0 3px rgba(255, 122, 0, .16);
        }
        .search-box i {
            color: var(--text-weak);
            font-size: .85rem;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: .85rem;
            color: var(--text-main);
        }
        .btn-header-cta {
            display: inline-block;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-size: .9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: transform .2s, box-shadow .2s;
            box-shadow: 0 4px 14px rgba(255, 122, 0, .25);
        }
        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 122, 0, .35);
            color: #fff;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            font-size: 1.3rem;
            color: var(--text-main);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--primary-light);
        }

        /* ========== Hero 深色版 ========== */
        .category2-hero {
            position: relative;
            background-color: var(--dark);
            color: #fff;
            padding: 100px 0 110px;
            overflow: hidden;
        }
        .category2-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .22;
            z-index: 0;
        }
        .category2-hero::after {
            content: '';
            position: absolute;
            right: -100px;
            top: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 122, 0, .28), transparent 70%);
            z-index: 0;
        }
        .category2-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: .8rem;
            color: var(--primary-light);
            letter-spacing: .08em;
            margin-bottom: 20px;
        }
        .category2-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }
        .category2-hero h1::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }
        .category2-hero .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .82);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 10px;
        }
        .hero-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .85);
        }
        .hero-meta-item i {
            color: var(--primary-light);
        }
        .hero-visual {
            position: relative;
            z-index: 2;
        }
        .hero-visual img {
            width: 100%;
            max-width: 420px;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
            border: 2px solid rgba(255, 255, 255, .1);
        }
        .hero-visual-float {
            position: absolute;
            font-size: .8rem;
        }
        .hero-float-1 {
            top: -14px;
            right: 10px;
            background: rgba(255, 255, 255, .95);
            color: var(--text-main);
            border-radius: 12px;
            padding: 10px 16px;
            box-shadow: 0 12px 30px rgba(0, 0, 0, .2);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-float-1 i {
            color: var(--primary);
        }
        .hero-float-2 {
            bottom: 28px;
            left: -10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 12px;
            padding: 10px 16px;
            box-shadow: 0 12px 30px rgba(255, 122, 0, .35);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 窄列阅读排版 ========== */
        .narrow-page {
            max-width: 800px;
            margin: 0 auto;
        }
        .narrow-page h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 48px 0 16px;
            position: relative;
            padding-left: 18px;
        }
        .narrow-page h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light));
        }
        .narrow-page p {
            color: var(--text-sub);
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .narrow-page blockquote {
            background: #FFF6EE;
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            padding: 20px 24px;
            margin: 28px 0;
            font-size: 1rem;
            color: var(--text-main);
            line-height: 1.8;
            font-style: normal;
        }
        .narrow-page blockquote i {
            color: var(--primary);
            margin-right: 6px;
        }
        .narrow-page img {
            width: 100%;
            border-radius: 16px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .reading-intro {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.9;
        }

        /* ========== 服务卡片区 ========== */
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .25s, box-shadow .25s;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .service-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: .85rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 适用场景 ========== */
        .scene-section {
            background: var(--dark);
            color: #fff;
            border-radius: 0;
            padding: 60px 0;
            margin: 0;
        }
        .scene-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scene-section .section-lead {
            color: rgba(255, 255, 255, .7);
            margin-bottom: 40px;
        }
        .scene-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 16px;
            padding: 24px;
            height: 100%;
            transition: border-color .25s, transform .25s;
        }
        .scene-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .scene-card i {
            color: var(--primary-light);
            font-size: 1.4rem;
            margin-bottom: 14px;
            display: block;
        }
        .scene-card h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 流程步骤 ========== */
        .steps-section {
            padding: 60px 0 80px;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .section-title.text-left {
            text-align: left;
        }
        .section-lead {
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-lead.text-left {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
            margin-bottom: 32px;
        }
        .step-card {
            position: relative;
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .25s;
            height: 100%;
        }
        .step-card:hover {
            transform: translateY(-4px);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            color: #fff;
            font-family: var(--font-en);
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: .85rem;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .step-connector {
            position: absolute;
            top: 50%;
            right: -18px;
            width: 36px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-light), transparent);
            z-index: 1;
        }

        /* ========== 常见问题 FAQ ========== */
        .faq-section {
            background: var(--bg-card);
            border-radius: 24px;
            padding: 60px 40px;
            margin: 80px 0 0;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .faq-section .section-title {
            text-align: left;
        }
        .faq-section .section-lead {
            text-align: left;
            margin-bottom: 32px;
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
        }
        .accordion-button {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            background: #fff;
            border: none;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #FFF8F0;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 122, 0, .15);
        }
        .accordion-body {
            color: var(--text-sub);
            font-size: .9rem;
            line-height: 1.8;
            padding: 4px 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: linear-gradient(135deg, #FF8A2A, #FF6B00);
            border-radius: 24px;
            position: relative;
            overflow: hidden;
            padding: 64px 48px;
            margin: 80px auto 0;
            max-width: 1000px;
            text-align: center;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .12;
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, .88);
            font-size: .95rem;
            margin-bottom: 28px;
        }
        .btn-white {
            display: inline-block;
            padding: 12px 34px;
            background: #fff;
            color: var(--primary-dark);
            border-radius: 50px;
            font-weight: 700;
            font-size: .95rem;
            transition: transform .2s, box-shadow .2s;
            box-shadow: 0 6px 18px rgba(0, 0, 0, .12);
            margin: 0 6px;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
            color: var(--primary-dark);
        }
        .cta-outline {
            display: inline-block;
            margin: 0 6px;
            padding: 12px 28px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: .9rem;
            transition: background .2s;
        }
        .cta-outline:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .cta-link {
            display: inline-block;
            margin-top: 18px;
            color: rgba(255, 255, 255, .88);
            font-size: .85rem;
            text-decoration: underline;
        }
        .cta-link:hover {
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .8);
            margin-top: 100px;
        }
        .footer-top-line {
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }
        .footer-main {
            padding: 60px 0 40px;
        }
        .site-footer .brand-text {
            color: #fff;
        }
        .site-footer .brand-mark {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
        }
        .footer-brand p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .6);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: .88rem;
            transition: color .2s, padding-left .2s;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-contact div {
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--primary-light);
            margin-right: 8px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            text-align: center;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .nav-main a {
                padding: 28px 10px;
                font-size: .88rem;
            }
            .search-box {
                width: 170px;
            }
        }
        @media (max-width: 991.98px) {
            .site-header .navbar {
                min-height: 64px;
            }
            .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 16px 30px rgba(26, 26, 46, .08);
            }
            .nav-main {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                margin: 12px 0;
            }
            .nav-main a {
                padding: 12px 8px;
                border-bottom: 1px solid var(--border);
                border-left: 3px solid transparent;
                border-radius: 0;
            }
            .nav-main a.active {
                border-left-color: var(--primary);
                border-bottom-color: var(--border);
                background: #FFF8F0;
                border-radius: 8px;
            }
            .header-tools {
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                gap: 10px;
            }
            .search-box {
                width: 100%;
            }
            .btn-header-cta {
                text-align: center;
            }
            .category2-hero {
                padding: 64px 0 80px;
            }
            .hero-visual {
                margin-top: 40px;
                text-align: center;
            }
            .hero-visual img {
                max-width: 300px;
            }
            .step-connector {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .category2-hero {
                padding: 56px 0 64px;
            }
            .narrow-page h2 {
                font-size: 1.3rem;
            }
            .faq-section {
                padding: 40px 20px;
                margin: 48px 0 0;
            }
            .cta-banner {
                padding: 40px 24px;
                margin: 48px auto 0;
            }
            .btn-white,
            .cta-outline {
                display: block;
                margin: 10px auto;
                max-width: 280px;
            }
        }
        @media (max-width: 576px) {
            body {
                font-size: .9rem;
            }
            .brand-text {
                font-size: 1rem;
            }
            .btn-header-cta {
                padding: 8px 18px;
                font-size: .85rem;
            }
            .category2-hero h1 {
                font-size: 1.7rem;
            }
            .category2-hero .hero-sub {
                font-size: .95rem;
            }
            .hero-meta-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-float-1,
            .hero-float-2 {
                font-size: .72rem;
                padding: 8px 12px;
            }
        }