/* roulang page: index */
:root{
  --c-primary:#0b1220;
  --c-primary-2:#111c2e;
  --c-primary-3:#16233a;
  --c-accent:#f59e0b;
  --c-accent-2:#eab308;
  --c-accent-3:#b45309;
  --c-info:#06b6d4;
  --c-bg:#f4f6fb;
  --c-white:#fff;
  --c-text:#0f172a;
  --c-text-light:#64748b;
  --c-border:#e2e8f0;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-xl:0 12px 48px rgba(2,12,27,.12);
  --shadow-main:0 8px 36px rgba(2,12,27,.08);
  --shadow-card:0 4px 20px rgba(2,12,27,.06);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit}
.container{max-width:1240px}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,18,32,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .navbar{padding:14px 0}
.site-header .navbar-brand{
  display:flex;align-items:center;gap:12px;
  font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:.5px;
}
.brand-icon{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-accent) 0%,#f97316 100%);
  display:flex;align-items:center;justify-content:center;
  color:#0b1220;font-size:1.1rem;box-shadow:0 4px 14px rgba(245,158,11,.4);
}
.navbar .nav-link{
  color:rgba(255,255,255,.75)!important;
  font-weight:500;font-size:.95rem;
  padding:8px 18px!important;
  border-radius:var(--radius-sm);
  transition:var(--transition);
}
.navbar .nav-link:hover,
.navbar .nav-link.active{
  color:var(--c-accent-2)!important;
  background:rgba(245,158,11,.12);
}
.btn-header-cta{
  background:linear-gradient(135deg,var(--c-accent),#f97316);
  color:#0b1220!important;font-weight:700;font-size:.9rem;
  padding:10px 22px;border-radius:50px;margin-left:16px;
  border:none;transition:var(--transition);
}
.btn-header-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(245,158,11,.4);
  color:#0b1220!important;
}
.navbar-toggler{
  border-color:rgba(255,255,255,.3);
  color:#fff;
}
.navbar-toggler:focus{box-shadow:0 0 0 .25rem rgba(245,158,11,.3)}
@media(max-width:991px){
  .navbar-collapse{
    background:var(--c-primary-2);
    padding:18px;border-radius:var(--radius-md);
    margin-top:12px;border:1px solid rgba(255,255,255,.08);
  }
  .navbar .nav-link{padding:12px 16px!important}
  .btn-header-cta{margin-left:0;margin-top:12px;display:inline-block}
}

.hero-section{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
  padding:120px 0 140px;
  overflow:hidden;
}
.hero-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,18,32,.92) 0%,rgba(11,18,32,.7) 55%,rgba(11,18,32,.45) 100%);
}
.hero-section .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(245,158,11,.14);
  border:1px solid rgba(245,158,11,.4);
  color:var(--c-accent-2);
  font-size:.85rem;font-weight:600;
  padding:8px 18px;border-radius:50px;
  margin-bottom:24px;
}
.hero-badge i{font-size:.9rem}
.hero-title{
  font-size:3rem;font-weight:900;color:#fff;
  letter-spacing:.5px;line-height:1.2;
  margin-bottom:18px;
  text-shadow:0 4px 30px rgba(0,0,0,.3);
}
.hero-title .highlight{
  background:linear-gradient(120deg,var(--c-accent-2),#f97316);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-subtitle{
  font-size:1.15rem;font-weight:400;
  color:rgba(255,255,255,.85);
  max-width:640px;line-height:1.8;
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-hero-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--c-accent-2) 0%,#f97316 100%);
  color:#0b1220!important;
  font-weight:700;font-size:1rem;
  padding:14px 32px;border-radius:50px;
  box-shadow:0 8px 30px rgba(245,158,11,.4);
  transition:var(--transition);
}
.btn-hero-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 36px rgba(245,158,11,.5);
}
.btn-hero-secondary{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.1);
  color:#fff!important;font-weight:600;
  padding:14px 32px;border-radius:50px;
  border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(8px);
  transition:var(--transition);
}
.btn-hero-secondary:hover{
  background:rgba(255,255,255,.2);
  transform:translateY(-3px);
}
.hero-stats{
  display:flex;gap:48px;margin-top:60px;
}
.hero-stat{color:#fff}
.hero-stat .num{
  font-size:2rem;font-weight:800;
  color:var(--c-accent-2);
  line-height:1;
}
.hero-stat .label{
  font-size:.85rem;color:rgba(255,255,255,.7);
  margin-top:6px;
}
@media(max-width:768px){
  .hero-section{padding:80px 0 100px}
  .hero-title{font-size:2rem}
  .hero-subtitle{font-size:1rem}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .hero-stat .num{font-size:1.4rem}
}

.section{padding:90px 0}
.section-head{
  text-align:center;max-width:680px;
  margin:0 auto 56px;
}
.section-eyebrow{
  display:inline-block;
  font-size:.82rem;font-weight:700;letter-spacing:2px;
  color:var(--c-accent-3);
  text-transform:uppercase;
  background:rgba(245,158,11,.1);
  padding:6px 18px;border-radius:50px;
  margin-bottom:14px;
}
.section-title{
  font-size:2.1rem;font-weight:800;
  color:var(--c-text);line-height:1.3;
  margin-bottom:14px;
}
.section-desc{
  color:var(--c-text-light);font-size:1.02rem;
  line-height:1.8;
}

.features-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.feature-card{
  background:var(--c-white);
  border-radius:var(--radius-lg);
  padding:36px 28px;
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-card);
  text-align:center;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card::after{
  content:'';position:absolute;
  left:0;bottom:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--c-accent-2),#f97316);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-xl);
}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{
  width:72px;height:72px;border-radius:20px;
  background:linear-gradient(135deg,rgba(245,158,11,.14),rgba(249,115,22,.1));
  color:var(--c-accent-3);
  font-size:1.6rem;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 22px;
}
.feature-card h3{
  font-size:1.06rem;font-weight:700;
  margin-bottom:12px;
}
.feature-card p{
  font-size:.9rem;color:var(--c-text-light);
  line-height:1.7;
}
@media(max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .features-grid{grid-template-columns:1fr}
}

.category-section{
  background:#fff;
}
.category-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.category-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
}
.category-card:hover{
  transform:translateY(-10px);
  box-shadow:var(--shadow-xl);
}
.category-card img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.category-card:hover img{transform:scale(1.06)}
.category-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,18,32,0) 30%,rgba(11,18,32,.85) 100%);
}
.category-card-body{
  position:relative;z-index:2;
  padding:28px;color:#fff;width:100%;
}
.category-card-body h3{
  font-size:1.35rem;font-weight:800;
  margin-bottom:8px;
}
.category-card-body p{
  font-size:.88rem;color:rgba(255,255,255,.85);
  margin-bottom:14px;
}
.category-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.85rem;font-weight:600;
  color:var(--c-accent-2);
}
.category-link i{transition:transform .25s ease}
.category-card:hover .category-link i{transform:translateX(4px)}
@media(max-width:900px){
  .category-grid{grid-template-columns:1fr;gap:20px}
  .category-card{min-height:260px}
}

.news-section{background:var(--c-bg)}
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.news-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:28px 30px;
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  display:flex;
  gap:20px;
  align-items:flex-start;
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-xl);
}
.news-card .news-thumb{
  width:110px;height:110px;border-radius:var(--radius-md);
  object-fit:cover;flex-shrink:0;
}
.news-card-body{flex:1}
.badge-tag{
  display:inline-block;
  background:rgba(245,158,11,.12);
  color:var(--c-accent-3);
  font-size:.75rem;font-weight:700;
  padding:4px 12px;border-radius:50px;
  margin-bottom:10px;
}
.news-card h3{
  font-size:1.05rem;font-weight:700;line-height:1.5;
  margin-bottom:8px;
}
.news-card h3 a:hover{color:var(--c-accent-3)}
.news-card p{
  font-size:.85rem;color:var(--c-text-light);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.news-meta{
  font-size:.78rem;color:#94a3b8;
  display:inline-flex;align-items:center;gap:6px;
}
@media(max-width:768px){
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-card .news-thumb{width:100%;height:160px}
}

.stat-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-3) 100%);
  padding:70px 0;
  position:relative;
  overflow:hidden;
}
.stat-band::before{
  content:'';position:absolute;top:-50%;right:-20%;
  width:400px;height:400px;border-radius:50%;
  background:rgba(245,158,11,.12);
  filter:blur(80px);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;position:relative;z-index:2;
}
.stat-item{text-align:center;color:#fff}
.stat-item .stat-num{
  font-size:2.6rem;font-weight:800;
  color:var(--c-accent-2);
  line-height:1.2;
  margin-bottom:8px;
}
.stat-item .stat-label{
  font-size:.92rem;color:rgba(255,255,255,.7);
}
@media(max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .stat-item .stat-num{font-size:2rem}
}

.play-section{background:#fff}
.play-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.play-card{
  background:var(--c-bg);
  border-radius:var(--radius-lg);
  padding:32px;
  border:1px solid var(--c-border);
  transition:var(--transition);
}
.play-card:hover{
  background:#fff;
  box-shadow:var(--shadow-xl);
  transform:translateY(-6px);
}
.play-card .play-index{
  font-size:2.2rem;font-weight:900;
  background:linear-gradient(135deg,var(--c-accent-2),#f97316);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:14px;
  display:block;
}
.play-card h3{
  font-size:1.08rem;font-weight:700;margin-bottom:10px;
}
.play-card p{
  font-size:.88rem;color:var(--c-text-light);
  line-height:1.75;
}
.play-card ul{margin-top:14px;padding:0}
.play-card ul li{
  font-size:.83rem;color:var(--c-text-light);
  padding:5px 0 5px 20px;position:relative;
}
.play-card ul li::before{
  content:'\f00c';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  color:var(--c-accent-2);
  font-size:.7rem;
  position:absolute;left:0;top:9px;
}
@media(max-width:1024px){
  .play-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .play-grid{grid-template-columns:1fr}
}

.faq-section{background:var(--c-bg)}
.accordion-custom .accordion-item{
  border:1px solid var(--c-border);
  border-radius:var(--radius-md)!important;
  margin-bottom:16px;
  background:#fff;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.accordion-custom .accordion-button{
  font-weight:600;font-size:1rem;
  padding:20px 24px;
  color:var(--c-text);
}
.accordion-custom .accordion-button:not(.collapsed){
  background:rgba(245,158,11,.06);
  color:var(--c-accent-3);
  box-shadow:none;
}
.accordion-custom .accordion-button:focus{
  box-shadow:0 0 0 .25rem rgba(245,158,11,.15);
}
.accordion-custom .accordion-body{
  padding:20px 24px;
  color:var(--c-text-light);
  font-size:.92rem;
  border-top:1px solid var(--c-border);
}

.cta-section{
  background:url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
  position:relative;
  padding:90px 0;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:rgba(11,18,32,.8);
}
.cta-content{
  position:relative;z-index:2;
  text-align:center;color:#fff;
  max-width:640px;margin:0 auto;
}
.cta-content h2{
  font-size:2.2rem;font-weight:800;
  margin-bottom:16px;
}
.cta-content p{
  color:rgba(255,255,255,.85);
  font-size:1.02rem;margin-bottom:32px;
}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--c-accent-2) 0%,#f97316 100%);
  color:#0b1220!important;font-weight:800;
  font-size:1rem;
  padding:15px 40px;border-radius:50px;
  box-shadow:0 8px 30px rgba(245,158,11,.4);
  transition:var(--transition);
}
.btn-cta:hover{
  transform:translateY(-3px) scale(1.02);
  box-shadow:0 14px 38px rgba(245,158,11,.5);
}

.site-footer{
  background:var(--c-primary);
  color:rgba(255,255,255,.75);
  padding:70px 0 0;
}
.site-footer .footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.3rem;font-weight:800;color:#fff;
  margin-bottom:18px;
}
.site-footer .footer-desc{
  font-size:.9rem;line-height:1.8;
  color:rgba(255,255,255,.65);
  margin-bottom:24px;
}
.site-footer h5{
  color:#fff;font-size:1rem;font-weight:700;
  margin-bottom:20px;
}
.site-footer .footer-links li{
  margin-bottom:10px;
}
.site-footer .footer-links a{
  color:rgba(255,255,255,.7);
  font-size:.9rem;
  transition:var(--transition);
}
.site-footer .footer-links a:hover{
  color:var(--c-accent-2);
  padding-left:4px;
}
.footer-contact li{
  display:flex;gap:10px;margin-bottom:12px;
  font-size:.88rem;
}
.footer-contact i{
  color:var(--c-accent-2);font-size:.9rem;
  margin-top:5px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;
  margin-top:50px;
  text-align:center;
  font-size:.85rem;
  color:rgba(255,255,255,.5);
}
@media(max-width:768px){
  .section{padding:60px 0}
  .section-title{font-size:1.7rem}
  .site-footer .row > div{margin-bottom:30px}
}

/* 分类页通用 */
.page-banner{
  background:url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
  padding:90px 0;
  position:relative;
}
.page-banner::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,18,32,.92) 0%,rgba(11,18,32,.6) 100%);
}
.page-banner .container{position:relative;z-index:2}
.page-banner h1{
  color:#fff;font-size:2.4rem;font-weight:800;
  margin-bottom:12px;
}
.page-banner p{
  color:rgba(255,255,255,.8);
  max-width:560px;font-size:1.02rem;
}
.breadcrumb-custom{
  font-size:.85rem;color:rgba(255,255,255,.6);
  margin-top:14px;
}
.breadcrumb-custom a{color:var(--c-accent-2)}

/* roulang page: category1 */
:root {
    --primary: #0b1d3a;
    --primary-light: #16325c;
    --primary-dark: #071226;
    --accent: #f0a500;
    --accent-hover: #d18f00;
    --accent-light: #fff4d6;
    --bg: #f5f7fb;
    --bg-alt: #eef1f6;
    --bg-dark: #0b1d3a;
    --text: #16213e;
    --text-muted: #63708c;
    --border: #e7ecf3;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 40px rgba(11, 29, 58, 0.10);
    --shadow-hover: 0 20px 50px rgba(11, 29, 58, 0.16);
    --transition: all 0.3s ease;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
ul { list-style: none; }

.container { max-width: 1200px; }

/* 导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    background: rgba(11, 29, 58, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .navbar { padding: 14px 0; }
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}
.navbar-brand:hover { color: var(--accent); }
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), #ffcb47);
    color: #0b1d3a;
    border-radius: 12px;
    font-size: 18px;
    box-shadow: 0 4px 14px rgba(240, 165, 0, 0.35);
}
.navbar-nav { gap: 6px; }
.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 18px !important;
    border-radius: 8px;
    transition: var(--transition);
}
.navbar-nav .nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.navbar-nav .nav-link.active { color: #fff; background: rgba(240, 165, 0, 0.18); }
.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--accent), #ffcb47);
    color: #0b1d3a;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 20px;
    border-radius: 8px;
    margin-left: 16px;
    box-shadow: 0 4px 14px rgba(240, 165, 0, 0.25);
    transition: var(--transition);
}
.btn-header-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(240, 165, 0, 0.4); color: #0b1d3a; }
.navbar-toggler { border-color: rgba(255, 255, 255, 0.3); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.3); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

/* 页面横幅 */
.page-banner {
    position: relative;
    padding: 100px 0 90px;
    background: linear-gradient(135deg, rgba(11, 29, 58, 0.92), rgba(7, 18, 38, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
    border-bottom: 4px solid var(--accent);
}
.page-banner .banner-wrap { position: relative; z-index: 2; }
.page-banner .banner-tag {
    display: inline-block;
    background: rgba(240, 165, 0, 0.18);
    color: #ffcb47;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 18px;
    border: 1px solid rgba(240, 165, 0, 0.3);
}
.page-banner h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.page-banner h1 .highlight { color: var(--accent); }
.page-banner p.lead-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 640px;
    margin-bottom: 28px;
}
.banner-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 36px;
    margin-bottom: 32px;
}
.banner-stats .stat-item .stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}
.banner-stats .stat-item .stat-label {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.62);
}
.btn-banner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
}
.btn-banner-solid {
    background: linear-gradient(135deg, var(--accent), #ffcb47);
    color: #0b1d3a;
    box-shadow: 0 6px 20px rgba(240, 165, 0, 0.3);
}
.btn-banner-solid:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(240, 165, 0, 0.45); color: #0b1d3a; }
.btn-banner-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
}
.btn-banner-ghost:hover { background: rgba(255, 255, 255, 0.2); color: #fff; transform: translateY(-3px); }

/* 板块通用 */
.section-pad { padding: 70px 0; }
.section-head { margin-bottom: 40px; }
.section-head .section-tag {
    display: inline-block;
    color: var(--accent-hover);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.section-head h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}
.section-head p {
    color: var(--text-muted);
    max-width: 600px;
    font-size: 0.95rem;
}

/* 标签筛选 */
.tag-filter { padding: 30px 0 10px; }
.tag-filter .filter-wrap {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-tags .filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-alt);
    color: var(--text-muted);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.filter-tags .filter-btn:hover { background: var(--accent-light); color: var(--accent-hover); border-color: rgba(240, 165, 0, 0.3); }
.filter-tags .filter-btn.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(11, 29, 58, 0.2); }
.filter-tags .filter-btn .count {
    background: rgba(255, 255, 255, 0.18);
    padding: 0 8px;
    border-radius: 12px;
    font-size: 0.75rem;
}

/* 攻略卡片 */
.strategy-section { background: var(--bg); }
.strategy-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.strategy-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.strategy-card .card-img-wrap { position: relative; overflow: hidden; aspect-ratio: 16 / 9; }
.strategy-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.strategy-card:hover .card-img-wrap img { transform: scale(1.05); }
.strategy-card .card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(11, 29, 58, 0.85);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}
.strategy-card .card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.strategy-card .card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.45;
    margin-bottom: 10px;
}
.strategy-card .card-body h3 a { color: inherit; }
.strategy-card .card-body h3 a:hover { color: var(--accent-hover); }
.strategy-card .card-body p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}
.strategy-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 14px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.strategy-card .card-meta .views i { color: var(--accent); margin-right: 4px; }
.strategy-card .card-meta .read-more { color: var(--primary); font-weight: 600; }
.strategy-card .card-meta .read-more:hover { color: var(--accent-hover); }

/* 热门排行 */
.hot-ranking {
    background: linear-gradient(135deg, #0b1d3a, #132e56);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hot-ranking::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(240, 165, 0, 0.15), transparent 70%);
    border-radius: 50%;
}
.hot-ranking .section-head h2 { color: #fff; }
.hot-ranking .section-head p { color: rgba(255, 255, 255, 0.65); }
.ranking-list { display: flex; flex-direction: column; gap: 14px; }
.ranking-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 16px 20px;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}
.ranking-item:hover { background: rgba(255, 255, 255, 0.1); transform: translateX(6px); }
.ranking-num {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(240, 165, 0, 0.15);
    color: var(--accent);
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.ranking-item:nth-child(1) .ranking-num { background: var(--accent); color: #0b1d3a; box-shadow: 0 4px 14px rgba(240, 165, 0, 0.4); }
.ranking-info { flex: 1; min-width: 0; }
.ranking-info .rank-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ranking-info .rank-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.14);
    border-radius: 4px;
    overflow: hidden;
}
.ranking-info .rank-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #ffcb47);
    border-radius: 4px;
}
.ranking-heat {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    flex-shrink: 0;
}

/* 专题区块 */
.topic-feature { background: #fff; }
.topic-feature .topic-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    background: linear-gradient(135deg, #f8fafd, #eef2f8);
    border-radius: 24px;
    border: 1px solid var(--border);
    overflow: hidden;
}
.topic-feature .topic-img { flex: 1 1 40%; min-width: 280px; }
.topic-feature .topic-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 24px 0 0 24px; }
.topic-feature .topic-content { flex: 1 1 50%; padding: 48px; }
.topic-content .topic-tag {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-hover);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}
.topic-content h3 { font-size: 1.7rem; font-weight: 800; color: var(--primary); margin-bottom: 14px; line-height: 1.35; }
.topic-content p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 22px; }
.topic-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.topic-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text);
}
.topic-list li i { color: var(--accent-hover); font-size: 1rem; }
.btn-topic {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 12px 26px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.btn-topic:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(11, 29, 58, 0.2); }

/* 路径步骤 */
.path-steps { background: var(--bg); }
.step-card {
    text-align: center;
    padding: 36px 24px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.step-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent), #ffcb47);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #0b1d3a;
    box-shadow: 0 8px 20px rgba(240, 165, 0, 0.3);
}
.step-num {
    position: absolute;
    top: 18px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(11, 29, 58, 0.06);
    line-height: 1;
}
.step-card h4 { font-size: 1.08rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.step-card p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.6; }

/* FAQ */
.faq-section { background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px 30px;
    margin-bottom: 14px;
    transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); border-color: rgba(240, 165, 0, 0.3); }
.faq-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.faq-item h4 i { color: var(--accent-hover); }
.faq-item p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* CTA */
.cta-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(11, 29, 58, 0.94), rgba(22, 50, 92, 0.88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    color: #fff;
    text-align: center;
}
.cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; }
.cta-section p { font-size: 1.02rem; color: rgba(255, 255, 255, 0.75); max-width: 560px; margin: 0 auto 32px; }
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), #ffcb47);
    color: #0b1d3a;
    padding: 14px 34px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 8px 28px rgba(240, 165, 0, 0.35);
    transition: var(--transition);
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 14px 38px rgba(240, 165, 0, 0.5); color: #0b1d3a; }

/* 页脚 */
.site-footer {
    background: #071226;
    color: rgba(255, 255, 255, 0.7);
    padding-top: 60px;
    padding-bottom: 0;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand .brand-icon { width: 40px; height: 40px; font-size: 17px; }
.footer-desc { font-size: 0.88rem; line-height: 1.7; color: rgba(255, 255, 255, 0.55); max-width: 320px; }
.site-footer h5 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255, 255, 255, 0.55); font-size: 0.88rem; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact li { font-size: 0.88rem; color: rgba(255, 255, 255, 0.55); display: flex; align-items: center; gap: 10px; }
.footer-contact li i { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.4);
}
.footer-bottom p { margin: 0; }

/* 响应式 */
@media (max-width: 1024px) {
    .page-banner h1 { font-size: 2.2rem; }
    .topic-feature .topic-content { padding: 32px; }
}
@media (max-width: 768px) {
    .section-pad { padding: 50px 0; }
    .page-banner { padding: 70px 0 60px; }
    .page-banner h1 { font-size: 1.8rem; }
    .banner-stats { gap: 20px; }
    .banner-stats .stat-item .stat-num { font-size: 1.3rem; }
    .section-head h2 { font-size: 1.6rem; }
    .topic-feature .topic-img { min-width: 100%; }
    .topic-feature .topic-img img { border-radius: 24px 24px 0 0; }
    .ranking-item { padding: 12px 14px; gap: 12px; }
    .ranking-num { width: 34px; height: 34px; font-size: 0.95rem; }
}
@media (max-width: 520px) {
    .page-banner h1 { font-size: 1.5rem; }
    .page-banner p.lead-text { font-size: 0.92rem; }
    .banner-stats { flex-direction: column; gap: 12px; }
    .filter-tags { gap: 6px; }
    .filter-tags .filter-btn { padding: 6px 14px; font-size: 0.78rem; }
    .strategy-card .card-body { padding: 16px; }
    .topic-content { padding: 24px !important; }
    .topic-content h3 { font-size: 1.3rem; }
    .faq-item { padding: 18px 18px; }
    .cta-section h2 { font-size: 1.6rem; }
}

/* roulang page: article */
/* ========== 设计变量 ========== */
:root {
  --bg-body: #0b111e;
  --bg-card: #131c30;
  --bg-deep: #070d18;
  --bg-soft: #182238;
  --primary: #00d4ff;
  --primary-dark: #009fd4;
  --secondary: #8b5cf6;
  --accent: #fbbf24;
  --text-main: #e9eef6;
  --text-muted: #8ea1bd;
  --border: #24324d;
  --border-light: #334562;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, .38);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, .26);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, .18);
  --glow-primary: 0 0 35px rgba(0, 212, 255, .16);
  --font-base: -apple-system, BlinkMacSystemFont, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
}

/* ========== 基础 Reset ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; }

/* ========== 阅读进度条 ========== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 9999;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 12px rgba(0, 212, 255, .4);
}

/* ========== 导航栏 ========== */
.site-header {
  background: rgba(11, 17, 30, .92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1020;
}
.site-header .navbar { padding: 14px 0; }
.navbar-brand {
  color: #fff !important;
  font-weight: 700;
  font-size: 1.22rem;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: .02em;
}
.navbar-brand .brand-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 1.08rem;
  box-shadow: var(--glow-primary);
  transition: var(--transition);
}
.navbar-brand:hover .brand-icon { transform: rotate(-8deg) scale(1.06); }
.nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  padding: 8px 16px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
  font-size: .95rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-main) !important;
  background: rgba(0, 212, 255, .08);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #1a1205;
  font-weight: 600;
  font-size: .9rem;
  padding: 10px 22px;
  border-radius: 12px;
  margin-left: 16px;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 6px 18px rgba(251, 191, 36, .18);
}
.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(251, 191, 36, .28);
  color: #1a1205;
}
.navbar-toggler { border: 1px solid var(--border); background: rgba(255, 255, 255, .05); padding: 6px 10px; border-radius: 10px; }
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(0, 212, 255, .2); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba%280, 212, 255, 0.8%29' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ========== 文章 Hero ========== */
.article-hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(11, 17, 30, .97) 10%, rgba(19, 28, 48, .88) 55%, rgba(0, 212, 255, .15)),
    url('/assets/images/backpic/back-1.png') center 25% / cover no-repeat;
  padding: 76px 0 56px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(139, 92, 246, .18), transparent 70%);
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 2; }

/* 面包屑 */
.custom-breadcrumb {
  background: rgba(11, 17, 30, .55);
  border: 1px solid var(--border);
  border-radius: 100px;
  display: inline-flex;
  align-items: center;
  padding: 6px 18px;
  margin-bottom: 32px;
  backdrop-filter: blur(6px);
}
.custom-breadcrumb .breadcrumb-item { font-size: .84rem; color: var(--text-muted); }
.custom-breadcrumb .breadcrumb-item a { color: var(--text-muted); }
.custom-breadcrumb .breadcrumb-item a:hover { color: var(--primary); }
.custom-breadcrumb .breadcrumb-item.active { color: var(--primary); }
.custom-breadcrumb .breadcrumb-item + .breadcrumb-item::before { content: '/'; color: var(--text-muted); }

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
  margin-bottom: 18px;
  box-shadow: var(--glow-primary);
}
.article-head h1 {
  font-size: 2.4rem;
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 18px;
  font-family: var(--font-display);
  color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .4);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-muted);
  font-size: .9rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--primary); }

/* ========== 文章主体 ========== */
.article-main { padding: 70px 0 56px; }
.article-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.article-content { font-size: 1.05rem; line-height: 1.9; color: #d3dce8; }
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-main);
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: -.02em;
  margin-top: 2.2em;
  margin-bottom: .9em;
}
.article-content h2 { font-size: 1.7rem; }
.article-content h3 { font-size: 1.35rem; }
.article-content h4 { font-size: 1.15rem; }
.article-content p { margin-bottom: 1.5em; }
.article-content ul, .article-content ol { padding-left: 1.5em; margin-bottom: 1.5em; }
.article-content li { margin-bottom: .5em; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--primary-dark); text-decoration: none; }
.article-content img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.article-content blockquote {
  background: rgba(0, 212, 255, .06);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.2em 1.6em;
  margin: 1.6em 0;
  color: var(--text-muted);
}
.article-content code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: .15em .45em;
  border-radius: 6px;
  font-size: .9em;
  color: var(--primary);
}
.article-content pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.2em;
  overflow-x: auto;
  margin-bottom: 1.6em;
}
.article-content pre code { background: transparent; border: none; padding: 0; }

/* 文章页脚标签分享 */
.article-footer {
  border-top: 1px solid var(--border);
  margin-top: 44px;
  padding-top: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .82rem;
  padding: 6px 14px;
  border-radius: 100px;
  cursor: default;
}
.share-box { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: .9rem; }
.share-box a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: .9rem;
}
.share-box a:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 212, 255, .25);
}

/* 未找到内容 */
.not-found-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 70px 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.not-found-icon {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 212, 255, .1);
  border: 1px solid var(--border-light);
  color: var(--primary);
  font-size: 2.2rem;
}
.not-found-card h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 28px; }

/* ========== 推荐内容 ========== */
.related-section {
  background: var(--bg-soft);
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-title { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; margin: 0; }
.section-sub { color: var(--text-muted); margin-top: 10px; font-size: .95rem; }
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 212, 255, .45);
}
.related-img-wrap { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.related-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-img-wrap img { transform: scale(1.08); }
.related-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(11, 17, 30, .85);
  border: 1px solid rgba(255, 255, 255, .18);
  color: var(--text-main);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .76rem;
  font-weight: 500;
  backdrop-filter: blur(8px);
}
.related-body { padding: 22px; }
.related-title { font-size: 1.05rem; font-weight: 600; line-height: 1.5; margin-bottom: 14px; }
.related-title a { color: var(--text-main); }
.related-title a:hover { color: var(--primary); }
.related-meta { display: flex; gap: 16px; font-size: .8rem; color: var(--text-muted); }
.related-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ========== CTA 区块 ========== */
.cta-section { padding: 80px 0; }
.cta-box {
  border-radius: var(--radius-xl);
  padding: 56px;
  background:
    linear-gradient(110deg, rgba(28, 16, 58, .95), rgba(11, 17, 30, .9)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, .3), transparent 70%);
  pointer-events: none;
}
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #1a1205;
  padding: 6px 16px;
  border-radius: 100px;
  font-weight: 700;
  font-size: .8rem;
  margin-bottom: 18px;
}
.cta-box h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; position: relative; z-index: 1; }
.cta-box p { color: rgba(233, 238, 246, .75); margin-bottom: 0; position: relative; z-index: 1; }
.cta-box .col-lg-4 { position: relative; z-index: 2; }
.btn-accent {
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #1a1205;
  border: none;
  border-radius: 12px;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 24px rgba(251, 191, 36, .22);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(251, 191, 36, .32);
  color: #1a1205;
}

/* ========== FAQ 区块 ========== */
.faq-section {
  background: var(--bg-soft);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.faq-section .container { max-width: 900px; }
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-header .accordion-button {
  background: transparent;
  color: var(--text-main);
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 24px;
  transition: var(--transition);
}
.accordion-header .accordion-button:not(.collapsed) {
  background: rgba(0, 212, 255, .08);
  color: var(--primary);
  box-shadow: none;
}
.accordion-header .accordion-button:focus {
  box-shadow: 0 0 0 .2rem rgba(0, 212, 255, .15);
  border-color: transparent;
}
.accordion-header .accordion-button::after {
  filter: invert(65%) sepia(60%) saturate(500%) hue-rotate(150deg) brightness(1.1);
}
.accordion-body {
  padding: 0 24px 22px;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: .95rem;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 70px 0 0;
}
.footer-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 1rem;
  box-shadow: var(--glow-primary);
}
.footer-desc { color: var(--text-muted); line-height: 1.8; font-size: .9rem; max-width: 320px; }
.site-footer h5 {
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.site-footer h5::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .9rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li {
  color: var(--text-muted);
  font-size: .9rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  word-break: break-all;
}
.footer-contact li i { color: var(--primary); width: 18px; text-align: center; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 50px;
  padding: 22px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: .85rem;
}

/* ========== Bootstrap 全面定制 ========== */
.btn {
  border-radius: 12px;
  font-weight: 600;
  padding: 12px 28px;
  border: 2px solid transparent;
  transition: var(--transition);
  letter-spacing: .02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0090ff);
  border: none;
  color: #0b111e;
  box-shadow: 0 6px 20px rgba(0, 212, 255, .25);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background: linear-gradient(135deg, #38e1ff, #00b4ff);
  border: none;
  color: #0b111e;
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, .35);
}
.btn-outline-light {
  border-color: rgba(255, 255, 255, .35);
  color: var(--text-main);
  border-radius: 12px;
  font-weight: 600;
  padding: 10px 22px;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
  transform: translateY(-2px);
}
.btn-lg { padding: 15px 36px; font-size: 1rem; border-radius: 14px; }
.badge {
  border-radius: 100px;
  font-weight: 600;
  padding: .45em .9em;
}

/* ========== 响应式断点 ========== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    margin-top: 14px;
    box-shadow: var(--shadow-md);
  }
  .btn-header-cta {
    margin: 14px 0 0;
    display: flex;
    justify-content: center;
  }
  .nav-link.active::after { display: none; }
  .article-hero { padding: 60px 0 40px; }
  .article-head h1 { font-size: 1.9rem; }
  .article-wrap { padding: 34px 30px; }
  .cta-box { padding: 44px 32px; }
  .cta-box h2 { font-size: 1.6rem; }
  .section-title { font-size: 1.7rem; }
  .site-footer { padding-top: 50px; }
}
@media (max-width: 767.98px) {
  .article-head h1 { font-size: 1.55rem; }
  .article-meta { gap: 12px; font-size: .82rem; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .related-card { max-width: 420px; margin: 0 auto; }
  .cta-box { text-align: center; padding: 36px 22px; }
  .cta-box .col-lg-4 { text-align: center !important; margin-top: 20px; }
  .cta-box .btn-accent { width: auto; }
  .section-title { font-size: 1.5rem; }
}
@media (max-width: 575.98px) {
  .article-hero { padding: 48px 0 32px; }
  .article-head h1 { font-size: 1.35rem; }
  .article-wrap { padding: 24px 16px; border-radius: var(--radius-lg); }
  .article-content { font-size: .98rem; }
  .custom-breadcrumb { padding: 4px 14px; font-size: .78rem; }
  .category-badge { font-size: .72rem; padding: 5px 12px; }
  .article-meta span { font-size: .78rem; }
  .related-body { padding: 18px; }
  .related-title { font-size: .95rem; }
  .cta-section { padding: 60px 0; }
  .faq-section { padding: 60px 0; }
  .related-section { padding: 60px 0; }
  .site-footer { padding-top: 44px; }
  .footer-bottom { margin-top: 36px; }
}

/* roulang page: category2 */
/* ===== Design Tokens ===== */
        :root {
            --primary: #ff4d2e;
            --primary-dark: #e33b1c;
            --primary-light: #ff8a5c;
            --accent: #ffc247;
            --ink-900: #0b1020;
            --ink-800: #131a2e;
            --ink-700: #1c2740;
            --bg-100: #f4f7fb;
            --bg-200: #eef2f7;
            --text-main: #16233b;
            --text-muted: #5a6b85;
            --text-light: #93a5c0;
            --line: #e6ecf4;
            --white: #ffffff;
            --radius-lg: 22px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 14px rgba(46, 60, 89, 0.08);
            --shadow-md: 0 10px 30px rgba(46, 60, 89, 0.1);
            --shadow-lg: 0 24px 60px rgba(18, 30, 50, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--bg-100);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: 1200px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 16, 32, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            font-size: 1.22rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }
        .navbar-brand:hover {
            color: #fff;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #ff9a3d);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 6px 18px rgba(255, 77, 46, 0.35);
        }
        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.72);
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin: 0 2px;
            font-size: 0.94rem;
        }
        .navbar-nav .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-nav .nav-link.active,
        .navbar-nav .nav-link.active:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #ff8a3d);
            box-shadow: 0 8px 20px rgba(255, 77, 46, 0.28);
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent), #ffaa3d);
            color: #141a2c;
            font-weight: 700;
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 0.9rem;
            margin-left: 14px;
            box-shadow: 0 6px 20px rgba(255, 194, 71, 0.25);
            transition: var(--transition);
        }
        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(255, 194, 71, 0.36);
            color: #141a2c;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 120px 0 96px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 16, 32, 0.94) 20%, rgba(11, 16, 32, 0.7) 60%, rgba(255, 77, 46, 0.28));
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            border-radius: 999px;
            background: rgba(255, 77, 46, 0.16);
            border: 1px solid rgba(255, 77, 46, 0.42);
            color: #ff8a5c;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.9rem;
            font-weight: 900;
            line-height: 1.22;
            margin: 20px 0 16px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
        }
        .page-banner .lead-text {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.08rem;
            max-width: 620px;
            margin-bottom: 32px;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-banner {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: var(--transition);
        }
        .btn-banner-primary {
            background: linear-gradient(135deg, var(--primary), #ff8a3d);
            color: #fff;
            box-shadow: 0 10px 28px rgba(255, 77, 46, 0.36);
        }
        .btn-banner-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(255, 77, 46, 0.45);
            color: #fff;
        }
        .btn-banner-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.26);
            backdrop-filter: blur(8px);
        }
        .btn-banner-ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-200);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 800;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(255, 77, 46, 0.07);
            border: 1px solid rgba(255, 77, 46, 0.18);
            padding: 6px 18px;
            border-radius: 999px;
        }
        .section-head h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-main);
            margin-top: 14px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 1rem;
        }

        /* ===== Hot Events ===== */
        .event-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 46, 0.24);
        }
        .event-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .event-thumb img {
            transform: scale(1.06);
        }
        .event-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 62%, rgba(11, 16, 32, 0.28));
        }
        .event-date-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(11, 16, 32, 0.76);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .event-type-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 2;
            background: linear-gradient(135deg, var(--primary), #ff8a3d);
            color: #fff;
            font-size: 0.74rem;
            font-weight: 800;
            padding: 5px 14px;
            border-radius: 999px;
            box-shadow: 0 6px 14px rgba(255, 77, 46, 0.35);
        }
        .event-body {
            padding: 26px;
        }
        .event-body h3 {
            font-size: 1.16rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .event-body p {
            font-size: 0.91rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }
        .event-meta .badge {
            background: #f1f5f9;
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 8px;
        }
        .event-link {
            font-weight: 800;
            color: var(--primary);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .event-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Version Updates ===== */
        .version-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            height: 100%;
            min-height: 360px;
        }
        .version-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }
        .version-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11, 16, 32, 0.65), transparent 55%);
        }
        .version-caption {
            position: absolute;
            left: 26px;
            right: 26px;
            bottom: 24px;
            z-index: 2;
            color: #fff;
        }
        .version-caption .badge {
            background: rgba(255, 77, 46, 0.85);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 8px;
            margin-bottom: 8px;
        }
        .version-caption h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0;
        }
        .version-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .version-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .version-item:hover {
            transform: translateX(6px);
            border-color: rgba(255, 77, 46, 0.28);
            box-shadow: var(--shadow-md);
        }
        .version-num {
            flex-shrink: 0;
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--ink-800), var(--ink-700));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 900;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 194, 71, 0.3);
        }
        .version-content h4 {
            font-size: 1.04rem;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .version-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== Activity Calendar ===== */
        .activity-calendar {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            padding: 90px 0;
        }
        .activity-calendar::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(9, 13, 26, 0.95), rgba(15, 22, 43, 0.88));
        }
        .activity-calendar .container {
            position: relative;
            z-index: 2;
        }
        .activity-calendar .section-head h2 {
            color: #fff;
        }
        .activity-calendar .section-head p {
            color: rgba(255, 255, 255, 0.68);
        }
        .calendar-timeline {
            position: relative;
            padding-left: 42px;
        }
        .calendar-timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), rgba(255, 255, 255, 0.18));
        }
        .timeline-item {
            position: relative;
            padding: 18px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 14px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .timeline-item:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(255, 77, 46, 0.4);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 26px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 5px rgba(255, 77, 46, 0.24);
        }
        .timeline-date {
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        .timeline-item h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 800;
            margin: 6px 0 4px;
        }
        .timeline-item p {
            color: rgba(255, 255, 255, 0.62);
            font-size: 0.9rem;
            margin: 0;
        }
        .hud-panel {
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(14px);
            height: 100%;
        }
        .hud-panel h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 26px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hud-panel h4 i {
            color: var(--accent);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .stat-block {
            text-align: center;
            padding: 18px 12px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-block .num {
            font-size: 1.7rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-block .label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.58);
            margin-top: 4px;
        }
        .hud-note {
            margin-top: 22px;
            padding: 14px 16px;
            border-radius: 12px;
            background: rgba(255, 194, 71, 0.1);
            border: 1px solid rgba(255, 194, 71, 0.2);
            color: rgba(255, 255, 255, 0.74);
            font-size: 0.84rem;
            line-height: 1.6;
        }
        .hud-note i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ===== Gift Center ===== */
        .gift-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .gift-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 96px;
            height: 96px;
            background: linear-gradient(135deg, rgba(255, 77, 46, 0.08), transparent);
            border-radius: 0 0 0 96px;
        }
        .gift-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 77, 46, 0.22);
        }
        .gift-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary), #ff8a3d);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            box-shadow: 0 10px 24px rgba(255, 77, 46, 0.3);
            margin-bottom: 18px;
        }
        .gift-card h3 {
            font-size: 1.08rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .gift-card .gift-desc {
            color: var(--text-muted);
            font-size: 0.89rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .gift-code {
            background: #f1f5f9;
            border: 1px dashed #cfd9e6;
            border-radius: 10px;
            padding: 8px 16px;
            color: var(--text-main);
            font-weight: 800;
            font-size: 0.82rem;
            letter-spacing: 0.6px;
            display: inline-block;
            margin-bottom: 16px;
        }
        .btn-gift {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--ink-900);
            color: #fff;
            font-weight: 700;
            font-size: 0.86rem;
            padding: 9px 20px;
            border-radius: 999px;
            border: none;
            transition: var(--transition);
        }
        .btn-gift:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 46, 0.3);
        }

        /* ===== Flow ===== */
        .flow-step {
            text-align: center;
            padding: 34px 20px;
            position: relative;
            height: 100%;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .flow-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .flow-num {
            width: 66px;
            height: 66px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--ink-800), var(--ink-700));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            font-weight: 900;
            border: 3px solid rgba(255, 77, 46, 0.5);
            box-shadow: 0 0 0 6px rgba(255, 77, 46, 0.08);
        }
        .flow-step h3 {
            font-size: 1.08rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .flow-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            z-index: 3;
            color: var(--primary);
            font-size: 1.1rem;
            background: var(--white);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 77, 46, 0.2);
            box-shadow: var(--shadow-md);
        }
        .faq-item .accordion-button {
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-main);
            padding: 20px 24px;
            background: var(--white);
            box-shadow: none;
        }
        .faq-item .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(255, 77, 46, 0.03);
        }
        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(255, 77, 46, 0.25);
        }
        .faq-item .accordion-body {
            color: var(--text-muted);
            padding: 0 24px 22px;
            font-size: 0.94rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 77, 46, 0.94), rgba(255, 143, 59, 0.9)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            padding: 84px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-cta-white {
            background: #fff;
            color: var(--primary);
            font-weight: 800;
            padding: 12px 30px;
            border-radius: 999px;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
            color: var(--primary);
        }
        .btn-cta-outline {
            background: transparent;
            color: #fff;
            font-weight: 800;
            padding: 12px 30px;
            border-radius: 999px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink-900);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            border-top: 3px solid rgba(255, 77, 46, 0.4);
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.58);
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 800;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact i {
            color: var(--primary-light);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 52px;
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024.98px) {
            .page-banner {
                padding: 90px 0 70px;
            }
            .page-banner h1 {
                font-size: 2.3rem;
            }
            .section {
                padding: 70px 0;
            }
            .section-head h2 {
                font-size: 1.9rem;
            }
            .cta-section h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(11, 16, 32, 0.98);
                padding: 18px;
                border-radius: 16px;
                margin-top: 14px;
                border: 1px solid rgba(255, 255, 255, 0.08);
            }
            .navbar-nav .nav-link {
                padding: 10px 16px;
            }
            .btn-header-cta {
                margin-left: 0;
                margin-top: 14px;
                width: 100%;
                justify-content: center;
            }
            .version-image-wrap {
                margin-bottom: 30px;
                min-height: 300px;
            }
            .version-image-wrap img {
                min-height: 300px;
            }
            .flow-arrow {
                display: none;
            }
            .hud-panel {
                margin-top: 36px;
            }
        }
        @media (max-width: 767.98px) {
            .page-banner {
                padding: 70px 0 54px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .lead-text {
                font-size: 0.96rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .event-body {
                padding: 20px;
            }
            .gift-card {
                padding: 24px 20px;
            }
            .timeline-item {
                padding: 15px 18px;
            }
            .calendar-timeline {
                padding-left: 34px;
            }
            .timeline-item::before {
                left: -30px;
            }
            .calendar-timeline::before {
                left: 9px;
            }
            .stat-grid {
                gap: 10px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 575.98px) {
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .banner-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-banner {
                justify-content: center;
                width: 100%;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .version-num {
                width: 46px;
                height: 46px;
                font-size: 0.82rem;
            }
            .version-item {
                padding: 16px;
                gap: 14px;
            }
            .footer-brand-cta {
                flex-direction: column;
                row-gap: 12px;
            }
        }

/* roulang page: category3 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5140c9;
            --primary-light: #a29bfe;
            --primary-soft: rgba(108, 92, 231, 0.10);
            --accent: #00b894;
            --accent-dark: #00997e;
            --accent-light: #55efc4;
            --accent-soft: rgba(0, 184, 148, 0.12);
            --dark-hud: #0b0e1a;
            --dark-hud-2: #131733;
            --dark-hud-3: #1a2044;
            --light-bg: #f5f6fb;
            --white: #ffffff;
            --text-main: #2d3436;
            --text-muted: #6b7280;
            --text-weak: #9ca3af;
            --border: rgba(108, 92, 231, 0.15);
            --border-light: #eceaf6;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 26px;
            --radius-circle: 50%;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 32px rgba(108, 92, 231, 0.12);
            --shadow-lg: 0 24px 56px rgba(108, 92, 231, 0.20);
            --shadow-accent: 0 10px 28px rgba(0, 184, 148, 0.25);
            --transition: all 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-main: 'PingFang SC', 'HarmonyOS Sans', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--light-bg);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 3px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(108, 92, 231, 0.12);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }

        .navbar-brand:hover {
            color: var(--accent-light);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            font-size: 1.1rem;
            box-shadow: 0 6px 18px rgba(108, 92, 231, 0.35);
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 999px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--white);
            background: rgba(108, 92, 231, 0.16);
        }

        .nav-link.active {
            color: var(--white);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-left: 16px;
            padding: 9px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--white);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 6px 18px rgba(0, 184, 148, 0.3);
            transition: var(--transition);
        }

        .btn-header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 184, 148, 0.4);
            color: var(--white);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== 通用 Section ========== */
        .section {
            padding: 96px 0;
        }

        .section-sm {
            padding: 60px 0;
        }

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

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

        .section-heading {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== Hero / Banner ========== */
        .community-hero {
            position: relative;
            padding: 110px 0 120px;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .community-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 14, 26, 0.95) 0%, rgba(11, 14, 26, 0.78) 55%, rgba(108, 92, 231, 0.28) 100%);
            z-index: 1;
        }

        .community-hero::after {
            content: '';
            position: absolute;
            right: -160px;
            top: -120px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.30) 0%, transparent 70%);
            z-index: 0;
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 28px;
        }

        .hero-breadcrumb a {
            color: var(--accent-light);
        }

        .hero-breadcrumb .fa-chevron-right {
            font-size: 0.65rem;
            opacity: 0.5;
        }

        .community-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .community-hero h1 .text-gradient {
            background: linear-gradient(120deg, var(--accent-light), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            line-height: 1.85;
            margin-bottom: 36px;
        }

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

        .btn-hero-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
            transition: var(--transition);
        }

        .btn-hero-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(108, 92, 231, 0.5);
            color: var(--white);
        }

        .btn-hero-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent-light);
        }

        .hero-data-panel {
            background: rgba(19, 23, 51, 0.72);
            border: 1px solid rgba(108, 92, 231, 0.30);
            border-radius: 24px;
            padding: 32px 28px;
            backdrop-filter: blur(16px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            position: relative;
            overflow: hidden;
        }

        .hero-data-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.22);
            filter: blur(60px);
        }

        .hero-data-item {
            padding: 18px 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-data-item:last-child {
            border-bottom: none;
        }

        .hero-data-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 4px;
        }

        .hero-data-label i {
            color: var(--accent);
        }

        .hero-data-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.02em;
        }

        .hero-data-value .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--accent-light);
            margin-left: 4px;
        }

        /* ========== 社区价值 ========== */
        .feature-card {
            height: 100%;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-card:hover::after {
            transform: scaleX(1);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 68px;
            height: 68px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft));
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 22px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(108, 92, 231, 0.25);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== 讨论专区 ========== */
        .forum-board-card {
            height: 100%;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .forum-board-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .forum-board-img {
            position: relative;
            height: 170px;
            overflow: hidden;
        }

        .forum-board-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .forum-board-card:hover .forum-board-img img {
            transform: scale(1.06);
        }

        .forum-board-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 26, 0.55) 100%);
        }

        .forum-board-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(108, 92, 231, 0.9);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .forum-board-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .forum-board-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .forum-board-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .forum-board-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px dashed var(--border-light);
        }

        .forum-board-meta span {
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        .forum-board-meta .btn-board {
            padding: 6px 18px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .forum-board-meta .btn-board:hover {
            background: var(--primary);
            color: var(--white);
        }

        /* ========== 热门话题 ========== */
        .topic-list-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 22px 12px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            border-radius: var(--radius-sm);
        }

        .topic-item:last-child {
            border-bottom: none;
        }

        .topic-item:hover {
            background: var(--light-bg);
            padding-left: 18px;
        }

        .topic-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            font-size: 0.92rem;
            font-weight: 800;
            background: var(--light-bg);
            color: var(--text-weak);
            flex-shrink: 0;
        }

        .topic-rank.hot {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.3);
        }

        .topic-content {
            flex: 1;
        }

        .topic-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .topic-content h4 a {
            color: inherit;
        }

        .topic-content h4 a:hover {
            color: var(--primary);
        }

        .topic-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
        }

        .topic-tag.tag-green {
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        .topic-stats {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-weak);
            flex-shrink: 0;
            margin-top: 6px;
        }

        .topic-stats i {
            margin-right: 4px;
        }

        /* ========== 社区数据 ========== */
        .stats-section {
            background: var(--dark-hud);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.25), transparent 65%);
        }

        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.2), transparent 65%);
        }

        .stats-section .container {
            position: relative;
            z-index: 1;
        }

        .stats-section .section-title {
            color: var(--white);
        }

        .stats-section .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .stat-item {
            text-align: center;
            padding: 36px 18px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(108, 92, 231, 0.1);
            border-color: rgba(108, 92, 231, 0.3);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--white);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-num span {
            background: linear-gradient(120deg, var(--accent-light), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        /* ========== 社区福利 CTA ========== */
        .community-bonus-wrap {
            background: linear-gradient(120deg, var(--primary-dark), var(--dark-hud-3));
            border-radius: 28px;
            overflow: hidden;
            padding: 56px 0;
            position: relative;
            box-shadow: var(--shadow-lg);
        }

        .community-bonus-wrap .row {
            align-items: center;
        }

        .bonus-content {
            padding: 30px 40px;
            position: relative;
            z-index: 2;
        }

        .bonus-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 184, 148, 0.2);
            border-radius: 999px;
            padding: 6px 18px;
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 18px;
            border: 1px solid rgba(0, 184, 148, 0.3);
        }

        .bonus-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .bonus-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .bonus-features {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .bonus-feature {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 8px 18px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.88rem;
            font-weight: 500;
        }

        .bonus-feature i {
            color: var(--accent);
        }

        .btn-bonus {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--white);
            font-weight: 700;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }

        .btn-bonus:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 36px rgba(0, 184, 148, 0.4);
            color: var(--white);
        }

        .bonus-image {
            position: relative;
            z-index: 1;
            padding: 20px;
        }

        .bonus-image img {
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            padding: 20px 26px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius);
            transition: var(--transition);
        }

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

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
        }

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

        .faq-accordion .accordion-body {
            padding: 8px 26px 22px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ========== 加入社区 CTA ========== */
        .community-cta {
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }

        .community-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 14, 26, 0.78);
        }

        .community-cta .container {
            position: relative;
            z-index: 1;
        }

        .community-cta h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .community-cta p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            margin: 0 auto 34px;
        }

        .btn-cta-final {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 12px 36px rgba(108, 92, 231, 0.45);
            transition: var(--transition);
        }

        .btn-cta-final:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 50px rgba(108, 92, 231, 0.55);
            color: var(--white);
        }

        .cta-note {
            margin-top: 18px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark-hud);
            padding: 70px 0 0;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 18px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .site-footer h5 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 6px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact i {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            margin-top: 50px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .section {
                padding: 70px 0;
            }

            .community-hero {
                padding: 80px 0 90px;
            }

            .community-hero h1 {
                font-size: 2.3rem;
            }

            .hero-data-panel {
                margin-top: 36px;
            }

            .navbar-collapse {
                background: rgba(11, 14, 26, 0.98);
                padding: 18px;
                border-radius: 16px;
                margin-top: 14px;
                border: 1px solid rgba(108, 92, 231, 0.2);
            }

            .navbar-nav {
                gap: 8px;
            }

            .btn-header-cta {
                margin-left: 0;
                margin-top: 14px;
                display: flex;
                justify-content: center;
            }

            .bonus-content {
                padding: 20px 24px;
            }

            .bonus-image {
                margin-top: 20px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 54px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .community-hero h1 {
                font-size: 1.9rem;
            }

            .community-hero {
                padding: 60px 0 70px;
            }

            .topic-item {
                flex-direction: column;
                gap: 10px;
            }

            .topic-stats {
                margin-top: 0;
                flex-wrap: wrap;
            }

            .stat-num {
                font-size: 2rem;
            }

            .community-bonus-wrap {
                padding: 34px 0;
            }

            .bonus-content h2 {
                font-size: 1.5rem;
            }

            .bonus-features {
                gap: 8px;
            }

            .bonus-feature {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .community-cta h2 {
                font-size: 1.6rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-hero-main,
            .btn-hero-ghost {
                justify-content: center;
            }

            .site-footer {
                padding-top: 50px;
            }

            .site-footer .col-lg-4,
            .site-footer .col-lg-2,
            .site-footer .col-lg-3 {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar-brand {
                font-size: 1.1rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .community-hero h1 {
                font-size: 1.6rem;
            }

            .feature-card {
                padding: 24px 18px;
            }

            .feature-icon {
                width: 54px;
                height: 54px;
                font-size: 1.3rem;
            }

            .forum-board-body {
                padding: 18px 16px;
            }

            .topic-list-wrap {
                padding: 12px;
            }

            .topic-item {
                padding: 16px 8px;
            }

            .hero-data-value {
                font-size: 1.6rem;
            }
        }