/* roulang page: index */
:root{
  --primary:#e23744;
  --primary-dark:#c02636;
  --primary-light:#ff5a66;
  --accent:#ffb020;
  --accent-dark:#e89700;
  --dark:#0f1a2e;
  --dark-2:#0b1424;
  --dark-3:#16233b;
  --light:#f7f9fc;
  --white:#ffffff;
  --text:#283039;
  --text-muted:#67707c;
  --border:#e6ebf2;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(15,26,46,.05);
  --shadow:0 10px 35px rgba(15,26,46,.09);
  --shadow-lg:0 24px 60px rgba(15,26,46,.14);
  --transition:all .25s ease;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  color:var(--text);
  background:var(--white);
  line-height:1.68;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
.container{max-width:1200px}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:3px solid rgba(226,55,68,.4);outline-offset:2px;border-radius:6px}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:1080;
  background:rgba(11,20,36,.96);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-top{
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-logo .logo-link{
  display:flex;
  align-items:center;
  gap:12px;
}
.logo-icon{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),#ff7a45);
  border-radius:13px;
  color:#fff;
  font-size:20px;
  box-shadow:0 6px 18px rgba(226,55,68,.35);
  flex-shrink:0;
}
.logo-text{
  color:#fff;
  font-size:21px;
  font-weight:700;
  letter-spacing:.04em;
  line-height:1.2;
}
.logo-text small{
  display:block;
  font-size:12px;
  font-weight:400;
  color:rgba(255,255,255,.55);
  letter-spacing:.18em;
  margin-top:2px;
}
.header-tools{
  display:flex;
  align-items:center;
  gap:16px;
}
.header-search form{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:4px 6px 4px 16px;
  min-width:260px;
  transition:var(--transition);
}
.header-search form:focus-within{
  border-color:var(--accent);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 4px rgba(255,176,32,.12);
}
.header-search .search-input{
  background:transparent;
  border:0;
  outline:0;
  color:#fff;
  font-size:14px;
  width:100%;
}
.header-search .search-input::placeholder{
  color:rgba(255,255,255,.42);
}
.btn-search{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:50%;
  border:0;
  background:var(--accent);
  color:#0f1a2e;
  font-size:14px;
  transition:var(--transition);
}
.btn-search:hover{
  background:var(--accent-dark);
  transform:scale(1.06);
}
.header-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-size:14px;
  font-weight:600;
  border-radius:999px;
  padding:10px 20px;
  border:0;
  box-shadow:0 6px 20px rgba(226,55,68,.35);
  transition:var(--transition);
  white-space:nowrap;
}
.header-btn i{font-size:14px}
.header-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(226,55,68,.45);
  color:#fff;
}
.header-nav-bar{
  background:rgba(11,20,36,.5);
}
.channel-nav{
  display:flex;
  gap:4px;
  padding:0;
}
.channel-link{
  position:relative;
  display:inline-block;
  padding:14px 22px;
  color:rgba(255,255,255,.68);
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  transition:var(--transition);
}
.channel-link::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:0;
  height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:3px 3px 0 0;
  opacity:0;
  transform:scaleX(.6);
  transition:var(--transition);
}
.channel-link:hover{
  color:#fff;
}
.channel-link:hover::after{
  opacity:.6;
  transform:scaleX(.85);
}
.channel-link.active{
  color:#fff;
  font-weight:600;
}
.channel-link.active::after{
  opacity:1;
  transform:scaleX(1);
}

/* hero */
.hero-section{
  position:relative;
  padding:120px 0 140px;
  background:linear-gradient(135deg,rgba(7,14,25,.92),rgba(7,14,25,.55) 60%,rgba(226,55,68,.25)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero-section::before{
  content:"";
  position:absolute;
  width:600px;
  height:600px;
  border-radius:50%;
  right:-180px;
  top:-180px;
  background:radial-gradient(circle,rgba(226,55,68,.25),transparent 70%);
  pointer-events:none;
}
.hero-section::after{
  content:"";
  position:absolute;
  width:400px;
  height:400px;
  border-radius:50%;
  left:-120px;
  bottom:-160px;
  background:radial-gradient(circle,rgba(255,176,32,.16),transparent 70%);
  pointer-events:none;
}
.hero-content{
  position:relative;
  z-index:2;
  text-align:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(6px);
  border-radius:999px;
  padding:8px 20px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:rgba(255,255,255,.9);
  margin-bottom:28px;
}
.hero-badge i{color:var(--accent)}
.hero-section h1{
  font-size:clamp(2.4rem,5.2vw,4rem);
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.15;
  text-shadow:0 8px 32px rgba(0,0,0,.3);
  margin-bottom:18px;
}
.hero-section h1 span{
  background:linear-gradient(90deg,var(--accent),#ff6b5e);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-subtitle{
  font-size:clamp(1rem,1.8vw,1.2rem);
  color:rgba(255,255,255,.82);
  max-width:700px;
  margin:0 auto 38px;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  margin-bottom:60px;
}
.hero-actions .btn{
  padding:14px 36px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  transition:var(--transition);
}
.btn-primary-custom{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border:0;
  color:#fff;
  box-shadow:0 10px 30px rgba(226,55,68,.45);
}
.btn-primary-custom:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 40px rgba(226,55,68,.55);
  color:#fff;
}
.btn-ghost{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.2);
  border-color:rgba(255,255,255,.6);
  transform:translateY(-3px);
  color:#fff;
}
.hero-stats{
  display:flex;
  justify-content:center;
  gap:0;
  flex-wrap:wrap;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(10px);
  padding:28px 16px;
  max-width:760px;
  margin:0 auto;
}
.hero-stats .stat-item{
  flex:1;
  min-width:130px;
  text-align:center;
  border-right:1px solid rgba(255,255,255,.12);
  padding:0 20px;
}
.hero-stats .stat-item:last-child{border-right:0}
.hero-stats .stat-num{
  font-size:28px;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.hero-stats .stat-label{
  font-size:13px;
  color:rgba(255,255,255,.65);
  margin-top:4px;
}

/* section */
.section-padding{
  padding:90px 0;
}
.section-title{
  font-size:clamp(1.7rem,3vw,2.5rem);
  font-weight:700;
  color:var(--dark);
  line-height:1.3;
  margin-bottom:12px;
}
.section-subtitle{
  font-size:16px;
  color:var(--text-muted);
  max-width:620px;
  line-height:1.7;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  flex-wrap:wrap;
  margin-bottom:48px;
  gap:20px;
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
  transition:var(--transition);
}
.section-link:hover{
  color:var(--primary-dark);
  gap:12px;
}

/* about */
.about-section{
  background:var(--light);
  position:relative;
  overflow:hidden;
}
.about-visual{
  position:relative;
}
.about-img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  width:100%;
  object-fit:cover;
  aspect-ratio:4/3;
}
.about-visual::before{
  content:"";
  position:absolute;
  inset:-20px 20px 20px -20px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--primary),var(--accent));
  opacity:.32;
  z-index:0;
}
.about-info{
  padding-left:30px;
}
.about-info h2{
  font-size:clamp(1.6rem,2.6vw,2.3rem);
  font-weight:700;
  color:var(--dark);
  line-height:1.3;
  margin-bottom:20px;
}
.about-info p{
  color:var(--text-muted);
  line-height:1.85;
  margin-bottom:14px;
}
.about-list{
  margin-top:24px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.about-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  font-size:14px;
  font-weight:500;
  color:var(--dark);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.about-list li:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
}
.about-list li i{
  color:var(--primary);
  margin-top:3px;
  font-size:15px;
}

/* category */
.category-section{
  background:var(--white);
  padding:90px 0;
}
.category-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.category-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.category-card .cat-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.category-card:hover .cat-img{
  transform:scale(1.06);
}
.category-card .cat-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,15,25,.1) 30%,rgba(7,15,25,.92) 100%);
}
.category-card .cat-body{
  position:relative;
  z-index:2;
  padding:34px 30px;
  color:#fff;
}
.category-card .cat-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.25);
  border-radius:999px;
  padding:6px 14px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
  margin-bottom:14px;
}
.category-card .cat-tag i{color:var(--accent)}
.category-card h3{
  font-size:24px;
  font-weight:700;
  margin-bottom:10px;
}
.category-card p{
  color:rgba(255,255,255,.82);
  font-size:14px;
  line-height:1.7;
  margin-bottom:18px;
  max-width:460px;
}
.category-card .cat-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-weight:600;
  font-size:14px;
  border-bottom:2px solid var(--accent);
  padding-bottom:4px;
  transition:var(--transition);
}
.category-card .cat-link:hover{
  color:var(--accent);
  gap:14px;
}

/* news */
.news-section{
  background:var(--light);
  padding:90px 0;
}
.news-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:var(--transition);
  box-shadow:var(--shadow-sm);
}
.news-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.news-img-wrap{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
}
.news-img-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.news-card:hover .news-img-wrap img{
  transform:scale(1.05);
}
.news-img-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(7,15,25,.35));
}
.news-badge{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  background:rgba(11,20,36,.85);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:12px;
  font-weight:500;
  padding:6px 14px;
  border-radius:999px;
  display:flex;
  align-items:center;
  gap:6px;
  border:1px solid rgba(255,255,255,.18);
}
.news-badge i{color:var(--accent);font-size:11px}
.news-body{
  padding:22px 24px 24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.news-title{
  font-size:17px;
  font-weight:600;
  color:var(--dark);
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:var(--transition);
}
.news-title:hover{color:var(--primary)}
.news-desc{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-top:1px solid var(--border);
  padding-top:14px;
  font-size:13px;
  color:var(--text-muted);
}
.news-meta a{
  color:var(--primary);
  font-weight:500;
}
.news-meta a:hover{color:var(--primary-dark)}
.news-meta .meta-date{
  display:flex;
  align-items:center;
  gap:6px;
}
.news-empty{
  background:var(--white);
  border:1px dashed var(--border);
  border-radius:var(--radius-md);
  padding:60px 30px;
  text-align:center;
  color:var(--text-muted);
  font-size:15px;
}

/* features */
.features-section{
  background:var(--dark);
  padding:90px 0;
  position:relative;
  overflow:hidden;
}
.features-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.2;
  pointer-events:none;
}
.features-section .container{position:relative;z-index:2}
.features-section .section-title{color:#fff}
.features-section .section-subtitle{color:rgba(255,255,255,.7)}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:var(--transition);
  backdrop-filter:blur(6px);
}
.feature-card:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-5px);
  border-color:rgba(255,255,255,.24);
  box-shadow:0 20px 40px rgba(0,0,0,.25);
}
.feature-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;
  font-size:22px;
  margin-bottom:20px;
  box-shadow:0 8px 24px rgba(226,55,68,.35);
}
.feature-card h3{
  color:#fff;
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}
.feature-card p{
  color:rgba(255,255,255,.68);
  font-size:14px;
  line-height:1.7;
}

/* stats band */
.stats-band{
  background:linear-gradient(135deg,var(--dark-2),var(--dark-3),var(--dark-2));
  padding:70px 0;
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.stats-band .stat-cell{
  text-align:center;
  padding:20px 10px;
}
.stats-band .stat-cell strong{
  font-size:clamp(2rem,3.6vw,3rem);
  font-weight:800;
  color:#fff;
  display:block;
  line-height:1.2;
  letter-spacing:.02em;
}
.stats-band .stat-cell strong i{
  font-style:normal;
  font-size:.5em;
  color:var(--accent);
  margin-left:2px;
}
.stats-band .stat-cell span{
  display:inline-block;
  color:rgba(255,255,255,.6);
  font-size:14px;
  margin-top:8px;
  letter-spacing:.05em;
}

/* steps */
.steps-section{
  background:var(--white);
  padding:90px 0;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
  margin-top:20px;
}
.step-card{
  position:relative;
  text-align:center;
  padding:40px 28px 32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:var(--white);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.step-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.step-num{
  position:absolute;
  top:-20px;
  left:50%;
  transform:translateX(-50%);
  width:44px;
  height:44px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-weight:700;
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 20px rgba(226,55,68,.4);
}
.step-icon{
  width:64px;
  height:64px;
  border-radius:50%;
  background:#fbe9eb;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:24px;
  margin-bottom:16px;
  margin-top:10px;
  transition:var(--transition);
}
.step-card:hover .step-icon{
  background:var(--primary);
  color:#fff;
}
.step-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
  color:var(--dark);
}
.step-card p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
}

/* faq */
.faq-section{
  background:var(--light);
  padding:90px 0;
}
.faq-accordion .accordion-item{
  border:1px solid var(--border);
  border-radius:var(--radius-md) !important;
  overflow:hidden;
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.faq-accordion .accordion-item:hover{
  box-shadow:var(--shadow);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-header{
  margin:0;
}
.faq-accordion .accordion-button{
  padding:20px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--dark);
  background:var(--white);
  border:0;
  box-shadow:none;
  display:flex;
  align-items:center;
  gap:12px;
}
.faq-accordion .accordion-button::after{
  background-size:16px;
  flex-shrink:0;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:linear-gradient(135deg,#fff5f5,#fff);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:none;
  outline:2px solid rgba(226,55,68,.25);
  outline-offset:-2px;
}
.faq-accordion .accordion-body{
  padding:0 26px 22px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.8;
  background:var(--white);
  border-top:1px solid var(--border);
  padding-top:18px;
  margin-top:0;
}
.faq-item-icon{
  color:var(--primary);
  margin-right:6px;
}

/* cta */
.cta-section{
  position:relative;
  padding:110px 0;
  background:linear-gradient(135deg,rgba(7,14,25,.88),rgba(7,14,25,.72)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  text-align:center;
}
.cta-section h2{
  font-size:clamp(1.8rem,3.6vw,2.8rem);
  font-weight:700;
  margin-bottom:18px;
  color:#fff;
}
.cta-section p{
  color:rgba(255,255,255,.75);
  font-size:16px;
  max-width:600px;
  margin:0 auto 34px;
  line-height:1.8;
}
.cta-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-dark));
  color:var(--dark);
  padding:14px 40px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  border:0;
  box-shadow:0 10px 30px rgba(255,176,32,.4);
  transition:var(--transition);
}
.cta-btn:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 42px rgba(255,176,32,.55);
  color:var(--dark);
}

/* footer */
.site-footer{
  background:var(--dark-2);
  color:rgba(255,255,255,.7);
  padding-top:70px;
}
.footer-brand{
  margin-bottom:20px;
}
.footer-brand .logo-link{
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.footer-brand .logo-text{
  font-size:18px;
}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,.52);
  line-height:1.8;
  margin-top:16px;
  max-width:320px;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:22px;
  letter-spacing:.04em;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:var(--transition);
}
.footer-links a i{font-size:12px;color:var(--accent)}
.footer-links a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-contact li{
  display:flex;
  gap:12px;
  margin-bottom:16px;
  font-size:14px;
  color:rgba(255,255,255,.6);
}
.footer-contact li i{
  width:32px;
  height:32px;
  border-radius:10px;
  background:rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:13px;
  flex-shrink:0;
  margin-top:2px;
}
.footer-contact li span{
  display:inline-block;
  line-height:1.6;
}
.footer-bottom{
  margin-top:50px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  font-size:13px;
  color:rgba(255,255,255,.42);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
}
.footer-bottom .site-url{
  color:var(--accent);
}

/* responsive */
@media (max-width: 991.98px){
  .header-search{display:none !important}
  .section-padding{padding:70px 0}
  .category-section,.news-section,.features-section,.steps-section,.faq-section,.cta-section{padding:70px 0}
  .header-nav-bar .container{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .header-nav-bar .container::-webkit-scrollbar{display:none}
  .channel-nav{flex-wrap:nowrap;width:max-content}
  .channel-link{padding:14px 18px;white-space:nowrap}
  .feature-grid,.steps-grid{grid-template-columns:repeat(2,1fr)}
  .about-info{padding-left:0;margin-top:34px}
}
@media (max-width: 767.98px){
  .hero-section{padding:80px 0 100px}
  .hero-stats .stat-item{min-width:110px;padding:0 12px}
  .hero-stats .stat-num{font-size:22px}
  .logo-text{font-size:18px}
  .logo-text small{font-size:10px}
  .header-btn span{display:none}
  .header-btn{padding:10px 14px}
  .section-title{font-size:1.6rem}
  .feature-grid,.steps-grid{grid-template-columns:1fr;gap:20px}
  .about-list{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
}
@media (max-width: 520px){
  .hero-section h1{font-size:2rem}
  .hero-subtitle{font-size:.95rem}
  .hero-actions .btn{padding:12px 24px;width:100%;justify-content:center}
  .hero-stats{flex-direction:row;flex-wrap:wrap;gap:10px 0}
  .hero-stats .stat-item{min-width:48%;border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:12px}
  .hero-stats .stat-item:nth-child(2n){border-right:0}
  .hero-stats .stat-item:last-child{border-bottom:0}
  .news-body{padding:18px}
  .category-card{min-height:320px}
}

/* roulang page: article */
:root {
  --primary: #ff4d30;
  --primary-dark: #e63c22;
  --primary-rgb: 255, 77, 48;
  --accent: #f7b733;
  --bg-deep: #0a0d12;
  --bg-body: #0f141b;
  --bg-section: #141c25;
  --bg-card: #1a232e;
  --bg-card-soft: #202b36;
  --border-soft: rgba(255, 255, 255, .08);
  --border-mid: rgba(255, 255, 255, .14);
  --text-light: #f2f5f9;
  --text-body: #c7d0da;
  --text-muted: #8d9ba9;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, .35);
  --shadow-float: 0 18px 42px rgba(0, 0, 0, .45);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-main);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input {
  font-family: inherit;
}
.container {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(10, 13, 18, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.header-top {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.header-logo .logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #ff7847);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 19px;
  box-shadow: 0 8px 20px rgba(var(--primary-rgb), .35);
  flex-shrink: 0;
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .5px;
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2.2px;
  color: var(--text-muted);
  margin-top: 2px;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-search form {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 999px;
  padding: 5px 6px 5px 16px;
  transition: border-color .25s, box-shadow .25s;
}
.header-search form:focus-within {
  border-color: rgba(var(--primary-rgb), .7);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .12);
}
.search-input {
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-light);
  font-size: 13px;
  width: 170px;
}
.search-input::placeholder {
  color: var(--text-muted);
}
.btn-search {
  border: 0;
  background: var(--primary);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  transition: background .2s, transform .2s;
}
.btn-search:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #ff6a42);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(var(--primary-rgb), .28);
  transition: transform .2s, box-shadow .2s;
}
.header-btn:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(var(--primary-rgb), .36);
}
.header-nav-bar {
  background: transparent;
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}
.channel-link {
  position: relative;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color .2s, background .2s;
}
.channel-link:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, .06);
}
.channel-link.active {
  background: rgba(var(--primary-rgb), .15);
  color: #ff7a5c;
  font-weight: 600;
}
.channel-link.active::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 2px;
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.article-banner {
  position: relative;
  padding: 72px 0 64px;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  isolation: isolate;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, rgba(8, 11, 16, .95) 0%, rgba(15, 20, 28, .82) 55%, rgba(255, 77, 48, .35) 100%);
}
.breadcrumb {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  font-size: 13px;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, .08);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color .2s;
}
.breadcrumb a:hover {
  color: #ff8b6e;
}
.breadcrumb i {
  font-size: 11px;
  color: rgba(255, 255, 255, .35);
}
.article-banner .banner-title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.3;
  max-width: 840px;
  margin: 14px 0 22px;
  letter-spacing: .5px;
}
.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.badge-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), .22);
  color: #ff9a7d;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(var(--primary-rgb), .35);
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  color: var(--text-body);
  font-size: 13px;
}
.article-wrap {
  padding: 56px 0 64px;
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 44px;
}
.article-main {
  min-width: 0;
}
.article-detail {
  background: var(--bg-section);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.article-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 28px;
}
.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-mid);
  background: rgba(255, 255, 255, .04);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all .2s ease;
}
.btn-share:hover {
  background: rgba(var(--primary-rgb), .18);
  color: var(--primary);
  border-color: rgba(var(--primary-rgb), .4);
  transform: translateY(-2px);
}
.sidebar-widget {
  margin-bottom: 28px;
}
.widget-card {
  background: var(--bg-section);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.widget-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}
.widget-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.widget-title::before {
  content: '';
  width: 4px;
  height: 18px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.widget-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 18px;
  position: relative;
}
.widget-cover img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform .4s ease;
}
.widget-cover:hover img {
  transform: scale(1.05);
}
.widget-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .55));
}
.widget-cover-text {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .5);
}
.widget-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.btn-widget {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(var(--primary-rgb), .15);
  color: #ff8a6b;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid rgba(var(--primary-rgb), .3);
  transition: background .2s, transform .2s;
}
.btn-widget:hover {
  background: rgba(var(--primary-rgb), .28);
  color: #ffaa90;
  transform: translateX(4px);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-item {
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border-soft);
  color: var(--text-body);
  font-size: 13px;
  transition: all .2s;
}
.tag-item:hover {
  background: rgba(var(--primary-rgb), .15);
  border-color: rgba(var(--primary-rgb), .4);
  color: #ff9a7d;
}
.widget-points {
  list-style: none;
  margin: 0;
  padding: 0;
}
.widget-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px;
  color: var(--text-body);
}
.widget-points li:last-child {
  border-bottom: 0;
}
.widget-points .point-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--primary-rgb), .13);
  color: var(--primary);
  font-size: 13px;
}
.widget-points strong {
  display: block;
  color: var(--text-light);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}
.widget-points span {
  font-size: 13px;
  color: var(--text-muted);
}
.article-body {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.9;
}
.article-body > h2,
.article-body > h3,
.article-body > h4 {
  color: var(--text-light);
  font-weight: 700;
  margin: 28px 0 14px;
  line-height: 1.4;
}
.article-body > h2 {
  font-size: 24px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
}
.article-body > h3 {
  font-size: 20px;
}
.article-body p {
  margin: 16px 0;
}
.article-body img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  box-shadow: var(--shadow-card);
}
.article-body a {
  color: #ff8a6b;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover {
  color: #ffaa90;
}
.article-body blockquote {
  padding: 18px 22px;
  margin: 22px 0;
  background: rgba(255, 255, 255, .04);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  color: var(--text-light);
  font-style: normal;
}
.article-body ul,
.article-body ol {
  margin: 16px 0;
  padding-left: 24px;
}
.article-body li {
  margin: 8px 0;
}
.article-body ul li::marker {
  color: var(--primary);
}
.article-body ol li::marker {
  color: var(--primary);
  font-weight: 600;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: 14px;
}
.article-body th,
.article-body td {
  padding: 12px 16px;
  border: 1px solid var(--border-soft);
  text-align: left;
}
.article-body th {
  background: rgba(255, 255, 255, .05);
  color: var(--text-light);
  font-weight: 600;
}
.article-footer-text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-tags .tag-item {
  font-size: 12px;
  padding: 4px 12px;
}
.article-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.article-empty {
  background: var(--bg-section);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.empty-icon {
  font-size: 46px;
  color: rgba(var(--primary-rgb), .65);
  margin-bottom: 18px;
}
.article-empty h2 {
  color: var(--text-light);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}
.article-empty p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 440px;
  margin: 0 auto 26px;
}
.btn {
  border-radius: 999px;
  padding: 10px 24px;
  font-weight: 600;
  font-size: 14px;
  transition: all .25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #ff6a42);
  border: 0;
  color: #fff;
  box-shadow: 0 8px 20px rgba(var(--primary-rgb), .3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(var(--primary-rgb), .4);
  color: #fff;
}
.btn-outline-light {
  border: 1px solid var(--border-mid);
  color: var(--text-light);
  background: transparent;
}
.btn-outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb), .08);
}
.recommend-section {
  background: var(--bg-section);
  padding: 60px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.section-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-light);
  margin: 0;
  position: relative;
  padding-left: 16px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  width: 6px;
  height: 24px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.section-sub {
  color: var(--text-muted);
  font-size: 14px;
}
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.media-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  height: 100%;
}
.media-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: rgba(var(--primary-rgb), .35);
}
.media-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #111820;
}
.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.media-card:hover .media-thumb img {
  transform: scale(1.06);
}
.media-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, .4));
}
.media-play {
  position: absolute;
  right: 14px;
  bottom: 12px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), .88);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  box-shadow: 0 6px 16px rgba(var(--primary-rgb), .4);
  z-index: 2;
  transition: transform .25s;
}
.media-card:hover .media-play {
  transform: scale(1.12);
}
.media-pill {
  position: absolute;
  left: 14px;
  top: 12px;
  z-index: 2;
  background: rgba(0, 0, 0, .55);
  border: 1px solid rgba(255, 255, 255, .2);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.media-body {
  padding: 20px 20px 22px;
}
.media-body h3 {
  font-size: 17px;
  color: var(--text-light);
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.media-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.media-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}
.empty-tips {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-mid);
}
.cta-section {
  position: relative;
  padding: 80px 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  isolation: isolate;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(8, 11, 16, .95) 0%, rgba(20, 15, 15, .82) 60%, rgba(255, 77, 48, .42) 100%);
}
.cta-inner {
  max-width: 700px;
}
.cta-inner .section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--primary-rgb), .18);
  border: 1px solid rgba(var(--primary-rgb), .35);
  color: #ff9a7d;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.cta-inner h2 {
  color: var(--text-light);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}
.cta-inner p {
  color: var(--text-body);
  font-size: 16px;
  margin-bottom: 28px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.cta-buttons .btn-primary {
  padding: 12px 30px;
  font-size: 15px;
}
.cta-buttons .btn-outline-light {
  padding: 12px 28px;
  font-size: 15px;
}
.site-footer {
  background: #080b0f;
  padding-top: 60px;
}
.footer-brand .logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-light);
}
.footer-brand .logo-text {
  font-size: 20px;
}
.footer-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 18px;
  max-width: 360px;
}
.footer-title {
  color: var(--text-light);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
  color: #ff8a6b;
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
}
.footer-contact li i {
  color: var(--primary);
  margin-top: 3px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 20px 0;
  margin-top: 46px;
  color: var(--text-muted);
  font-size: 13px;
}
.site-url {
  color: var(--text-body);
  font-weight: 600;
}
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .sidebar-widget {
    margin-bottom: 24px;
  }
  .sidebar-sticky {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .sidebar-sticky .widget-card {
    margin-bottom: 0;
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .header-search form {
    width: 100%;
  }
  .search-input {
    width: 100%;
    flex: 1;
  }
  .header-tools {
    flex: 1;
    justify-content: flex-end;
  }
  .header-btn span {
    display: none;
  }
  .header-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
  .article-banner {
    padding: 46px 0 48px;
  }
  .article-detail {
    padding: 24px;
  }
  .media-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .sidebar-sticky {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 520px) {
  .header-search {
    display: none;
  }
  .header-logo .logo-text {
    font-size: 18px;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  .header-btn {
    width: 36px;
    height: 36px;
  }
  .article-detail {
    padding: 20px;
  }
  .media-grid {
    grid-template-columns: 1fr;
  }
  .article-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-meta {
    gap: 8px;
  }
  .badge-soft {
    font-size: 12px;
    padding: 4px 10px;
  }
  .article-body {
    font-size: 15px;
  }
  .article-footer-text {
    flex-direction: column;
    align-items: flex-start;
  }
  .widget-card {
    padding: 20px;
  }
  .section-title {
    font-size: 20px;
  }
  .cta-section {
    padding: 56px 0;
  }
}

/* roulang page: category1 */
:root {
  --primary: #ff4d2e;
  --primary-dark: #e0391c;
  --primary-light: #fff1ed;
  --dark: #0b1220;
  --dark-2: #111c30;
  --body-bg: #f6f8fc;
  --text: #1e293b;
  --text-light: #667085;
  --border: #e8ecf3;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, .14);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Hiragino Sans GB", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input {
  font-family: inherit;
}

.container {
  max-width: 1260px;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: var(--dark);
  box-shadow: 0 6px 24px rgba(11, 18, 32, .3);
}

.header-top {
  padding: 14px 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ff8a4d, var(--primary));
  border-radius: 12px;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 8px 20px rgba(255, 77, 46, .35);
}

.logo-text {
  display: flex;
  flex-direction: column;
  color: #fff;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
}

.logo-text small {
  font-size: 10px;
  font-weight: 500;
  color: #8ea0b8;
  letter-spacing: 1.8px;
  margin-top: 2px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-search {
  position: relative;
}

.search-input {
  width: 230px;
  height: 42px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  padding: 0 46px 0 18px;
  color: #fff;
  font-size: 14px;
  transition: all .25s ease;
}

.search-input::placeholder {
  color: #8ea0b8;
}

.search-input:focus {
  background: rgba(255, 255, 255, .12);
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 77, 46, .15);
}

.btn-search {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  color: #8ea0b8;
  border-radius: 50%;
  transition: all .2s ease;
}

.btn-search:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, .1);
}

.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 999px;
  transition: all .25s ease;
  white-space: nowrap;
}

.header-btn:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 77, 46, .35);
}

.header-nav-bar {
  background: var(--dark-2);
  border-top: 1px solid rgba(255, 255, 255, .06);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
}

.channel-link {
  color: #9aa8bc;
  font-weight: 600;
  font-size: 15px;
  padding: 9px 20px;
  border-radius: 999px;
  transition: all .22s ease;
  white-space: nowrap;
}

.channel-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.channel-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 77, 46, .3);
}

.channel-link.active:hover {
  background: var(--primary);
  color: #fff;
}

/* ========== Hero ========== */
.category-hero {
  position: relative;
  padding: 90px 0 86px;
  background:
    linear-gradient(105deg, rgba(11, 18, 32, .96) 20%, rgba(17, 28, 48, .78) 55%, rgba(11, 18, 32, .55)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
}

.breadcrumb-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  font-size: 14px;
}

.breadcrumb-custom a {
  color: #8ea0b8;
  transition: color .2s ease;
}

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

.breadcrumb-custom .separator {
  color: #5a6c82;
}

.breadcrumb-custom .current {
  color: #fff;
  font-weight: 600;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 77, 46, .14);
  border: 1px solid rgba(255, 77, 46, .3);
  color: #ffab96;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.category-hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
}

.category-hero .hero-lead {
  font-size: 1.1rem;
  color: #c2cedd;
  max-width: 560px;
  margin-bottom: 24px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  color: #d6dfeb;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
}

.hero-tag i {
  color: #ff8a5f;
}

.hero-stats {
  margin-bottom: 36px;
}

.stat-item {
  padding-right: 28px;
  border-right: 1px solid rgba(255, 255, 255, .14);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: #8ea0b8;
}

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

.btn-acc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  border: none;
  padding: 13px 30px;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(255, 77, 46, .3);
  transition: all .25s ease;
}

.btn-acc:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 77, 46, .38);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, .35);
  padding: 13px 30px;
  border-radius: 999px;
  transition: all .25s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .6);
  transform: translateY(-2px);
}

.hero-access-card {
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 20px;
  padding: 28px;
  color: #fff;
  box-shadow: 0 24px 50px rgba(0, 0, 0, .25);
}

.access-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.access-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff8a4d, var(--primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
}

.access-card-head strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
}

.access-card-head small {
  color: #9fb0c5;
  font-size: 13px;
}

.hero-access-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.hero-access-card li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  font-size: 14px;
}

.hero-access-card li i {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .1);
  border-radius: 8px;
  color: #ffab96;
}

.hero-access-card li span {
  flex: 0 0 auto;
  color: #fff;
  font-weight: 600;
}

.hero-access-card li em {
  font-style: normal;
  color: #9fb0c5;
  margin-left: auto;
  font-size: 13px;
}

/* ========== Section ========== */
.section {
  padding: 78px 0;
}

.bg-soft {
  background: #f1f4fa;
}

.bg-dark-section {
  background: var(--dark);
  color: #fff;
}

.section-head {
  margin-bottom: 48px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-eyebrow i {
  background: var(--primary-light);
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section-title {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--text-light);
  max-width: 660px;
  font-size: 1.02rem;
}

.bg-dark-section .section-title {
  color: #fff;
}

.bg-dark-section .section-desc {
  color: #9fb0c5;
}

/* ========== Steps ========== */
.step-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  height: 100%;
  position: relative;
  transition: transform .25s ease, box-shadow .25s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 42px;
  font-weight: 800;
  color: #eef2f8;
  line-height: 1;
}

.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 22px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 0;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -22px;
  transform: translateY(-50%);
  z-index: 2;
  color: var(--primary);
  font-size: 20px;
}

/* ========== Checklist / media ========== */
.check-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  height: 100%;
}

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

.check-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.check-body {
  padding: 26px;
}

.check-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

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

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 14px;
  padding: 7px 0;
}

.check-list li i {
  color: var(--primary);
  margin-top: 4px;
}

/* ========== Methods ========== */
.method-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}

.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.method-thumb {
  position: relative;
  overflow: hidden;
}

.method-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform .4s ease;
}

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

.method-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 18, 32, .75);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
}

.method-body {
  padding: 24px;
}

.method-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.method-body p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 14px;
}

.method-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
}

.method-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

/* ========== Interface guide ========== */
.guide-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 46px;
  align-items: center;
}

.guide-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .1);
}

.guide-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.guide-content h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.guide-content p {
  color: #9fb0c5;
  margin-bottom: 22px;
}

.guide-points {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
}

.guide-points li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.guide-points li:last-child {
  border-bottom: none;
}

.guide-points .point-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  background: rgba(255, 77, 46, .14);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffab96;
  font-size: 17px;
}

.guide-points strong {
  display: block;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.guide-points span {
  color: #8ea0b8;
  font-size: 14px;
}

/* ========== Features ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all .25s ease;
}

.feature-item:hover {
  border-color: rgba(255, 77, 46, .3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-item i {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.feature-item strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.feature-item span {
  font-size: 13px;
  color: var(--text-light);
}

/* ========== FAQ ========== */
.accordion-custom .accordion-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
}

.accordion-custom .accordion-button {
  font-weight: 600;
  padding: 20px 24px;
  color: var(--dark);
  font-size: 16px;
  background: #fff;
  box-shadow: none;
}

.accordion-custom .accordion-button::after {
  background-size: 14px;
  opacity: .5;
}

.accordion-custom .accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.accordion-custom .accordion-button:not(.collapsed)::after {
  opacity: 1;
}

.accordion-custom .accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(255, 77, 46, .12);
}

.accordion-custom .accordion-body {
  padding: 20px 24px;
  color: #475569;
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid #f1f2f6;
}

/* ========== Related ========== */
.article-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: all .25s ease;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-body {
  padding: 24px;
}

.article-body .badge {
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary-dark);
  border: none;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.article-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 10px;
}

.article-body p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--text-light);
}

.article-meta i {
  margin-right: 4px;
  color: var(--primary);
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 84px 0;
  background:
    linear-gradient(120deg, rgba(11, 18, 32, .94) 20%, rgba(255, 77, 46, .55)),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-section p {
  color: #c2cedd;
  max-width: 600px;
  margin: 0 auto 32px;
}

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

/* ========== Footer ========== */
.site-footer {
  background: #0b1220;
  color: #9aa8bc;
  padding-top: 70px;
}

.footer-brand {
  margin-bottom: 18px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #7c8ea5;
  max-width: 340px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

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

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

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #9aa8bc;
  font-size: 14px;
  transition: all .2s ease;
}

.footer-links a i {
  font-size: 12px;
  color: var(--primary);
}

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

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

.footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.footer-contact i {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  margin-top: 50px;
  font-size: 13px;
  color: #71839a;
}

.footer-bottom .site-url {
  color: var(--primary);
  font-weight: 600;
}

/* ========== Responsive ========== */
@media (max-width: 991px) {
  .header-search .search-input {
    width: 170px;
  }

  .guide-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .guide-image img {
    height: 320px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .header-top {
    padding: 10px 0;
  }

  .header-search {
    display: none;
  }

  .header-btn span {
    display: none;
  }

  .header-btn {
    width: 42px;
    height: 42px;
    padding: 0;
    justify-content: center;
  }

  .logo-text {
    font-size: 18px;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .header-nav-bar .channel-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 8px 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .channel-nav::-webkit-scrollbar {
    display: none;
  }

  .channel-link {
    padding: 8px 16px;
    font-size: 14px;
  }

  .category-hero {
    padding: 60px 0;
  }

  .hero-stats {
    gap: 16px !important;
  }

  .stat-item {
    padding-right: 14px;
  }

  .stat-num {
    font-size: 24px;
  }

  .section {
    padding: 56px 0;
  }

  .step-arrow {
    display: none;
  }

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

  .footer-contact li {
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .category-hero h1 {
    font-size: 1.75rem;
  }

  .hero-tags .hero-tag {
    font-size: 12px;
    padding: 5px 10px;
  }

  .hero-actions .btn-acc,
  .hero-actions .btn-ghost {
    width: 100%;
  }

  .stat-num {
    font-size: 21px;
  }

  .stat-label {
    font-size: 12px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .guide-points li {
    flex-direction: column;
    gap: 8px;
  }

  .check-card img,
  .method-thumb img,
  .article-card img {
    height: 170px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #1d3557;
  --secondary-light: #2b4c7e;
  --accent: #ffb703;
  --dark-bg: #0d1b2a;
  --card-bg: #1b2a41;
  --body-bg: #f5f7fa;
  --white: #ffffff;
  --text-main: #1a1a2e;
  --text-weak: #6b7a90;
  --border-light: rgba(255, 255, 255, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.14);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --content-max: 1280px;
  --section-gap: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { border: none; background: none; cursor: pointer; }
input:focus, textarea:focus, button:focus { outline: 2px solid rgba(230, 57, 70, 0.5); outline-offset: 2px; }
ul, ol { list-style: none; }
.container { max-width: var(--content-max); padding-left: 20px; padding-right: 20px; }

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--dark-bg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.header-top {
  padding: 14px 0;
  background: linear-gradient(135deg, #0d1b2a 0%, #132743 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--white);
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.45);
}
.logo-text {
  font-size: 22px;
  letter-spacing: 1px;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
}
.logo-text small {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-search {
  position: relative;
}
.search-input {
  width: 240px;
  padding: 9px 42px 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 14px;
  transition: var(--transition);
}
.search-input::placeholder { color: rgba(255, 255, 255, 0.45); }
.search-input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.2);
}
.btn-search {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-search:hover { color: var(--primary-light); }
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 9px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
  transition: var(--transition);
}
.header-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
}

.header-nav-bar {
  background: rgba(13, 27, 42, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  border-radius: 50px;
  white-space: nowrap;
  transition: var(--transition);
}
.channel-link:hover { color: var(--white); background: rgba(255, 255, 255, 0.08); }
.channel-link.active {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
}

/* ========== PAGE BANNER ========== */
.page-banner {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(135deg, rgba(13,27,42,0.92) 0%, rgba(27,42,65,0.88) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  text-align: center;
  border-bottom: 3px solid var(--primary);
}
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(230, 57, 70, 0.18);
  border: 1px solid rgba(230, 57, 70, 0.4);
  color: #ffb3b3;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 18px;
  font-weight: 500;
}
.page-banner h1 {
  color: var(--white);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
.page-banner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 17px;
  max-width: 680px;
  margin: 0 auto;
}
.breadcrumb-custom {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}
.breadcrumb-custom a { color: var(--accent); }
.breadcrumb-custom a:hover { color: var(--primary-light); }
.breadcrumb-sep { opacity: 0.6; }

/* ========== NEWS FILTER ========== */
.news-filter-section {
  padding: 48px 0 10px;
}
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04);
}
.filter-label {
  font-weight: 700;
  font-size: 15px;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 6px;
}
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-pill {
  padding: 7px 18px;
  border-radius: 50px;
  background: #f0f2f5;
  color: var(--text-weak);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}
.filter-pill:hover { color: var(--primary); background: rgba(230, 57, 70, 0.08); }
.filter-pill.active { background: var(--primary); color: var(--white); border-color: var(--primary); box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3); }

/* ========== NEWS GRID ========== */
.news-section {
  padding: 40px 0 30px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
}
.section-label::before {
  content: '';
  width: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--secondary);
  margin: 10px 0 8px;
  line-height: 1.3;
}
.section-desc {
  color: var(--text-weak);
  max-width: 680px;
  margin-bottom: 30px;
  font-size: 15px;
}
.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.news-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(230, 57, 70, 0.92);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  z-index: 2;
}
.news-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.news-card-meta i { font-size: 12px; margin-right: 4px; color: var(--primary); }
.news-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover .news-card-title { color: var(--primary); }
.news-card-text {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(0,0,0,0.05);
  padding-top: 14px;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.read-more i { transition: transform 0.3s; font-size: 12px; }
.read-more:hover i { transform: translateX(4px); }
.news-hot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 183, 3, 0.15);
  color: #b45309;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
}

/* ========== ANNOUNCEMENT ========== */
.announce-section {
  padding: 40px 0;
}
.announce-wrap {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #16283e 100%);
  border-radius: 20px;
  padding: 50px 32px 50px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.announce-wrap::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(230, 57, 70, 0.15);
  filter: blur(30px);
}
.announce-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  position: relative;
}
.announce-sub {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
  font-size: 14px;
  position: relative;
}
.announce-list {
  margin-top: 24px;
  position: relative;
}
.announce-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}
.announce-item:last-child { border-bottom: none; }
.announce-item:hover { padding-left: 8px; }
.announce-date {
  flex-shrink: 0;
  background: rgba(230, 57, 70, 0.2);
  border: 1px solid rgba(230, 57, 70, 0.35);
  border-radius: 12px;
  padding: 8px 12px;
  text-align: center;
  min-width: 62px;
}
.announce-date .d { font-size: 22px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.announce-date .m { font-size: 11px; color: rgba(255, 255, 255, 0.6); }
.announce-item-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
  transition: var(--transition);
}
.announce-item:hover .announce-item-title { color: var(--accent); }
.announce-item-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}
.announce-btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
}
.announce-btn:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-2px); }

/* ========== RANKING ========== */
.ranking-section {
  padding: 50px 0;
  background: #eef1f6;
}
.rank-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  border: 1px solid rgba(0,0,0,0.03);
  height: 100%;
}
.rank-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: #f8f9fc;
  transition: var(--transition);
  cursor: pointer;
}
.rank-item:hover {
  background: rgba(230, 57, 70, 0.06);
  transform: translateX(4px);
}
.rank-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #e9ecef;
  color: var(--text-weak);
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-num { background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #fff; }
.rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #94a3b8, #cbd5e1); color: #fff; }
.rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #b45309, #d97706); color: #fff; }
.rank-info { flex: 1; min-width: 0; }
.rank-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.rank-meta { font-size: 12px; color: var(--text-weak); }
.rank-score {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

/* ========== CTA ========== */
.cta-section {
  padding: 70px 0;
  position: relative;
}
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #8d0a14 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  background-blend-mode: overlay;
  border-radius: 20px;
  padding: 50px;
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-banner h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; font-size: 16px; }
.cta-btn-group { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; position: relative; z-index: 2; }
.btn-cta-primary {
  background: var(--white);
  color: var(--primary);
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}
.btn-cta-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
.btn-cta-outline {
  background: transparent;
  color: var(--white);
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}
.btn-cta-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

/* ========== FOOTER ========== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 60px;
}
.site-footer .footer-logo-wrap { margin-bottom: 18px; }
.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
  margin-top: 16px;
}
.footer-title {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-links i { font-size: 11px; color: var(--primary); }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; }
.footer-contact i { color: var(--primary); font-size: 16px; margin-top: 3px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  margin-top: 40px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.site-url { color: rgba(255, 255, 255, 0.6); font-weight: 500; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  :root { --section-gap: 60px; }
  .page-banner h1 { font-size: 36px; }
  .section-title { font-size: 28px; }
  .cta-banner { padding: 40px 24px; }
}

@media (max-width: 768px) {
  .header-search { display: none; }
  .header-btn span { display: none; }
  .header-btn { width: 44px; height: 44px; padding: 0; justify-content: center; }
  .page-banner { padding: 60px 0; }
  .page-banner h1 { font-size: 29px; }
  .page-banner p { font-size: 15px; }
  .section-title { font-size: 24px; }
  .filter-bar { padding: 16px; }
  .news-section { padding: 30px 0 20px; }
  .announce-wrap { padding: 36px 24px; }
  .cta-banner h2 { font-size: 26px; }
  .channel-nav { gap: 4px; }
  .channel-link { padding: 9px 14px; font-size: 14px; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .page-banner h1 { font-size: 25px; }
  .logo-text { font-size: 18px; }
  .announce-wrap { padding: 28px 18px; }
  .cta-banner { padding: 30px 16px; }
  .cta-btn-group .btn { font-size: 14px; padding: 10px 22px; }
  .announce-item { flex-direction: row; gap: 12px; }
  .news-card-title { font-size: 16px; }
}