/* roulang page: index */
:root{
  --primary:#0a5cf5;--primary-600:#084dcf;--primary-soft:#eaf1ff;--accent:#ffb648;--accent-soft:#fff6e8;
  --ink:#101828;--ink-soft:#344054;--muted:#66788f;--line:#e5eaf2;--bg:#f5f8fd;--bg-deep:#0b1e3a;
  --card:#fff;--radius:18px;--radius-sm:10px;--radius-xs:8px;
  --shadow-sm:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
  --shadow-lg:0 18px 42px rgba(16,24,40,.12);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);line-height:1.65;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 28px}
.section{padding:88px 0}
.section-head{max-width:700px;margin:0 auto 52px;text-align:center}
.section-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);font-size:14px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:31px;font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:999px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .25s ease;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:0 10px 26px rgba(10,92,245,.35)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f0f4fe;transform:translateY(-2px)}
.btn-outline{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-outline:hover{background:rgba(255,255,255,.18);border-color:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px}

.site-header{position:absolute;top:0;left:0;right:0;z-index:200;--nav-ink:#f3f7fe;--nav-ink-strong:#fff;background:rgba(255,255,255,.07);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.16);transition:background .35s ease,box-shadow .35s ease,border-color .35s ease}
.site-header.scrolled{position:fixed;--nav-ink:#5b6c87;--nav-ink-strong:#101828;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);box-shadow:0 6px 24px rgba(15,23,42,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#0a5cf5,#5b9bff);color:#fff;font-weight:900;font-size:19px;box-shadow:0 6px 16px rgba(10,92,245,.35)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--nav-ink-strong);transition:color .3s}
.main-nav{display:flex;align-items:center;gap:34px}
.nav-link{position:relative;padding:8px 2px;font-weight:500;font-size:15.5px;color:var(--nav-ink);transition:color .25s}
.nav-link:hover{color:var(--nav-ink-strong)}
.nav-link.active{color:var(--nav-ink-strong);font-weight:700}
.nav-link.active::after{content:'';position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px 4px;color:var(--nav-ink)}
.menu-toggle span{display:block;width:24px;height:2px;background:currentColor;border-radius:2px;transition:.3s}

.page-hero{position:relative;padding:158px 0 68px;background-size:cover;background-position:center;color:#fff;text-align:center;isolation:isolate}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(7,18,38,.84),rgba(7,18,38,.58));z-index:-1}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.84)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .current{color:#fff;font-weight:600}
.page-hero h1{font-size:clamp(32px,4.4vw,48px);font-weight:900;letter-spacing:-.02em;margin-bottom:16px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.82);max-width:660px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;backdrop-filter:blur(6px);margin-bottom:18px}
.hero-badge i{color:var(--accent)}

.cat-intro-section{background:#fff}
.two-col{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.col-media{border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
.col-media img{width:100%;height:400px;object-fit:cover;border-radius:22px}
.col-content .section-badge{margin-bottom:12px}
.col-content h2{font-size:29px;font-weight:800;line-height:1.3;letter-spacing:-.02em;margin-bottom:16px}
.col-content p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:20px}
.col-content .intro-highlight{background:var(--primary-soft);border-radius:12px;padding:16px 20px;color:var(--ink-soft);font-size:14.5px;line-height:1.8;border-left:4px solid var(--primary)}

.card-list-section{background:var(--bg)}
.card-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.entry-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.entry-card-img{aspect-ratio:16/9;overflow:hidden}
.entry-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.entry-card:hover .entry-card-img img{transform:scale(1.05)}
.entry-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.entry-card-body h3{font-size:17px;font-weight:700;margin-bottom:10px}
.entry-card-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;flex:1}
.entry-card-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary)}
.entry-card-link i{transition:transform .2s}
.entry-card:hover .entry-card-link i{transform:translateX(4px)}

.article-list-section{background:#fff}
.content-list{max-width:850px;margin:0 auto;display:grid;gap:16px}
.content-list-item{display:flex;align-items:center;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 26px;transition:border-color .25s,box-shadow .25s}
.content-list-item:hover{border-color:#d7e2ff;box-shadow:var(--shadow-sm)}
.content-list-item .item-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.content-list-item .item-main{flex:1}
.content-list-item .item-main h3{font-size:16px;font-weight:700;margin-bottom:4px}
.content-list-item .item-main p{font-size:14px;color:var(--muted)}
.content-list-item .item-arrow{color:var(--muted);transition:color .2s,transform .2s}
.content-list-item:hover .item-arrow{color:var(--primary);transform:translateX(4px)}

.steps-section{background:var(--bg)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step-item{position:relative;text-align:center;padding:0 8px}
.step-item::after{content:'';position:absolute;top:25px;left:calc(50% + 42px);width:calc(100% - 84px);height:2px;background-image:linear-gradient(90deg,var(--line) 60%,transparent 60%);background-size:14px 2px;background-repeat:repeat-x}
.step-item:last-child::after{display:none}
.step-num{width:52px;height:52px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;border:2px solid #e6eeff;box-shadow:0 6px 18px rgba(10,92,245,.14)}
.step-item h3{font-size:16px;font-weight:700;margin-bottom:10px}
.step-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

.faq-section{background:#fff}
.faq-grid{max-width:840px;margin:0 auto;display:grid;gap:16px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item:hover{border-color:#d7e2ff}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 26px;cursor:pointer;font-weight:600;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:24px;font-weight:400;color:var(--primary);transition:transform .3s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 26px 22px;color:var(--muted);font-size:15px;line-height:1.85}

.cta-section{position:relative;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;text-align:center;padding:80px 0}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,60,160,.9),rgba(7,22,48,.92))}
.cta-section .container{position:relative;z-index:1}
.cta-inner{max-width:620px;margin:0 auto}
.cta-inner h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.82);margin-bottom:28px}

.site-footer{background:var(--bg-deep);color:#c7d2e3;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-site-name{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand-block p{font-size:14px;line-height:1.8;color:rgba(203,210,227,.75);max-width:300px}
.footer-nav-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-nav-list{list-style:none;display:grid;gap:12px}
.footer-nav-list a,.footer-nav-list span{font-size:14px;color:rgba(203,210,227,.78);transition:color .2s}
.footer-nav-list a:hover{color:#fff}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(203,210,227,.6)}

@media(max-width:1024px){
  .card-list-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:44px 20px}
  .step-item::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .two-col{gap:36px}
}
@media(max-width:768px){
  .section{padding:60px 0}
  .section-head h2{font-size:26px}
  .menu-toggle{display:flex}
  .main-nav{position:absolute;top:74px;left:0;right:0;background:#fff;padding:22px 28px 30px;flex-direction:column;gap:8px;align-items:stretch;box-shadow:0 18px 40px rgba(0,0,0,.16);border-radius:0 0 18px 18px;opacity:0;visibility:hidden;transform:translateY(-12px);transition:.3s}
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav a{color:var(--ink)!important;padding:12px 6px;font-size:17px;border-bottom:1px solid var(--line)}
  .main-nav a.active{color:var(--primary)!important}
  .main-nav a.active::after{display:none}
  .nav-cta{display:none}
  .page-hero{padding:134px 0 52px}
  .two-col{grid-template-columns:1fr}
  .col-media img{height:280px}
  .steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .content-list-item{padding:18px 16px;gap:14px}
}
@media(max-width:520px){
  .container{padding:0 20px}
  .card-list-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:29px}
  .section-head h2{font-size:23px}
  .btn{width:100%}
  .cta-section .btn{width:100%}
}

/* roulang page: article */
:root {
  --primary: #0d1b2e;
  --primary-light: #1b2d47;
  --primary-dark: #071221;
  --accent: #c9a15a;
  --accent-hover: #d8b56c;
  --accent-dark: #a8843e;
  --bg: #f4f6f9;
  --bg-dark: #0b1524;
  --white: #ffffff;
  --text: #17212d;
  --text-muted: #5c6b7e;
  --border: #e3e8ef;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(13, 27, 46, 0.06);
  --shadow-md: 0 8px 32px rgba(13, 27, 46, 0.10);
  --shadow-lg: 0 20px 60px rgba(13, 27, 46, 0.16);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button,
input ,
textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container {
    padding: 0 32px;
  }
}
@media (min-width: 1200px) {
  .container {
    padding: 0 40px;
  }
}
/* ============ Header / Nav ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 20px rgba(13, 27, 46, 0.05);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 30px rgba(13, 27, 46, 0.10);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo i {
  color: var(--accent);
  font-size: 1.35rem;
}
.logo:hover {
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.nav-link:hover {
  background: rgba(201, 161, 90, 0.12);
  color: var(--accent-dark);
}
.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(13, 27, 46, 0.22);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 100px;
  box-shadow: 0 4px 18px rgba(201, 161, 90, 0.35);
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201, 161, 90, 0.42);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }
  .logo {
    font-size: 1.05rem;
  }
  .header-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px 20px;
    box-shadow: 0 20px 40px rgba(13, 27, 46, 0.12);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-radius: 0 0 20px 20px;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }
  .nav-link:hover {
    background: rgba(201, 161, 90, 0.10);
  }
}
/* ============ Article Hero ============ */
.article-hero {
  position: relative;
  padding: 150px 0 80px;
  background: linear-gradient(135deg, rgba(13, 27, 46, 0.92), rgba(27, 45, 71, 0.78)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: #fff;
}
.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}
.breadcrumb .current {
  color: var(--accent);
  font-weight: 600;
}
.article-hero h1 {
  max-width: 860px;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(201, 161, 90, 0.18);
  border: 1px solid rgba(201, 161, 90, 0.35);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}
.meta-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.7);
}
.meta-date i {
  color: var(--accent);
}
/* ============ Article Body Layout ============ */
.article-main {
  padding: 70px 0 80px;
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
}
.article-content-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(227, 232, 239, 0.6);
}
.article-body {
  font-size: 1.04rem;
  line-height: 1.9;
  color: var(--text);
}
.article-body h2 {
  font-size: 1.55rem;
  font-weight: 800;
  margin-top: 2.2rem;
  margin-bottom: 1rem;
  color: var(--primary);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.article-body h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--accent);
}
.article-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  color: var(--primary-light);
}
.article-body p {
  margin-bottom: 1.2rem;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.2rem 1.4rem;
}
.article-body li {
  margin-bottom: 0.6rem;
}
.article-body li::marker {
  color: var(--accent);
}
.article-body img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(201, 161, 90, 0.08);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
  margin: 1.4rem 0;
}
.article-body a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover {
  color: var(--accent);
}
.article-body code {
  background: rgba(13, 27, 46, 0.06);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.9em;
  font-family: 'SF Mono', 'Consolas', monospace;
}
.not-found {
  text-align: center;
  padding: 40px 20px;
}
.not-found i {
  font-size: 3.5rem;
  color: var(--accent);
  margin-bottom: 20px;
}
.not-found h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--primary);
}
.not-found p {
  color: var(--text-muted);
  margin-bottom: 24px;
}
.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 100px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.btn-home:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
/* ============ Sidebar ============ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.side-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.side-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.side-card-title i {
  color: var(--accent);
  font-size: 1.1rem;
}
.side-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 12px;
}
.side-link-list {
  list-style: none;
  padding: 0;
}
.side-link-list li {
  margin-bottom: 10px;
}
.side-link-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--primary);
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  transition: var(--transition);
}
.side-link-list a i {
  font-size: 0.75rem;
  color: var(--accent);
}
.side-link-list a:hover {
  color: var(--accent-dark);
  padding-left: 6px;
}
.side-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-tag {
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(13, 27, 46, 0.05);
  color: var(--text-muted);
  padding: 5px 14px;
  border-radius: 100px;
  cursor: default;
}
.side-contact-box {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: var(--radius-md);
  padding: 26px;
  text-align: center;
}
.side-contact-box h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.side-contact-box p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}
.side-contact-box a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}
.side-contact-box a:hover {
  background: var(--accent-hover);
  transform: scale(1.03);
}
/* ============ Related Section ============ */
.related-section {
  padding: 70px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.section-header h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--primary);
  position: relative;
  padding-left: 18px;
}
.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--accent);
}
.section-header .sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 400px;
  text-align: right;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.related-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.related-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.related-card:hover .related-card-img img {
  transform: scale(1.05);
}
.related-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13, 27, 46, 0.45));
}
.related-card-body {
  padding: 22px 24px 26px;
}
.related-card-body .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: rgba(201, 161, 90, 0.12);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.related-card-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--primary);
  margin-bottom: 8px;
}
.related-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.related-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-dark);
  margin-top: 12px;
  transition: var(--transition);
}
.related-card-link:hover {
  gap: 10px;
  color: var(--accent);
}
/* ============ FAQ Section ============ */
.faq-section {
  padding: 80px 0;
  background: var(--bg);
}
.faq-grid {
  max-width: 920px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-md);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--white);
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--accent-dark);
}
.faq-question .faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: rgba(201, 161, 90, 0.14);
  color: var(--accent);
  font-size: 0.8rem;
  transition: var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin-top: 0;
}
.faq-item.open .faq-answer {
  display: block;
  padding-top: 16px;
}
/* ============ CTA Section ============ */
.cta-section {
  padding: 80px 0;
  position: relative;
  background: linear-gradient(135deg, rgba(13, 27, 46, 0.92), rgba(27, 45, 71, 0.85)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  max-width: 560px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 100px;
  box-shadow: 0 6px 24px rgba(201, 161, 90, 0.4);
  transition: var(--transition);
}
.btn-cta-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(201, 161, 90, 0.5);
}
.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: var(--transition);
}
.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}
/* ============ Footer ============ */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand-block .footer-site-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand-block p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-nav-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.footer-nav-list {
  list-style: none;
  padding: 0;
}
.footer-nav-list li {
  margin-bottom: 10px;
}
.footer-nav-list a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}
.footer-nav-list a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-nav-list li span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}
/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .article-hero {
    padding: 120px 0 60px;
  }
  .article-hero h1 {
    font-size: 1.5rem;
  }
  .article-content-card {
    padding: 24px;
  }
  .sidebar {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-header .sub {
    text-align: left;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .cta-section {
    padding: 60px 0;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .article-content-card {
    padding: 20px;
  }
  .article-body {
    font-size: 0.98rem;
  }
  .article-body h2 {
    font-size: 1.3rem;
  }
  .breadcrumb {
    font-size: 0.8rem;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .btn-cta-primary,
  .btn-cta-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category1 */
:root {
  --primary: #12294d;
  --primary-light: #1d3a63;
  --primary-deep: #0a1a30;
  --accent: #c9a45c;
  --accent-light: #e2c77e;
  --accent-dark: #a8853a;
  --bg: #f3f5f9;
  --bg-white: #ffffff;
  --bg-light: #eef1f6;
  --text-main: #1c2a40;
  --text-light: #60748a;
  --text-white: #ffffff;
  --text-muted: #8a9bb0;
  --border: #dfe5ec;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 35px rgba(18, 41, 77, 0.08);
  --shadow-md: 0 16px 45px rgba(18, 41, 77, 0.13);
  --shadow-accent: 0 8px 25px rgba(201, 164, 92, 0.28);
  --transition: 0.3s cubic-bezier(0.34, 0.68, 0.37, 1);
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: var(--font-main);
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary-deep);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(201, 164, 92, 0.36);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.62);
  color: var(--text-white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn-lg {
  padding: 16px 42px;
  font-size: 1.02rem;
}

.btn-small {
  padding: 9px 22px;
  font-size: 0.84rem;
}

.section-tag {
  display: inline-block;
  padding: 7px 18px;
  background: rgba(201, 164, 92, 0.12);
  color: var(--accent-dark);
  border: 1px solid rgba(201, 164, 92, 0.26);
  border-radius: 40px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--accent-light);
}

/* ============ header ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  background: rgba(10, 26, 48, 0.42);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  transition: all 0.4s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 35px rgba(18, 41, 77, 0.1);
  border-bottom-color: rgba(18, 41, 77, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: 0.04em;
  white-space: nowrap;
  position: relative;
  z-index: 2;
  transition: color var(--transition);
}

.site-logo span {
  color: var(--accent-light);
  font-weight: 700;
}

.site-header.scrolled .site-logo {
  color: var(--primary);
}

.site-header.scrolled .site-logo span {
  color: var(--accent-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 38px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 500;
  font-size: 0.98rem;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.32s ease;
  border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
}

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

.site-header.scrolled .nav-link {
  color: var(--text-light);
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
  color: var(--primary);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.site-header.scrolled .nav-toggle span {
  background: var(--primary);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ hero ============ */
.page-hero {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  background: url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
  padding: 150px 0 90px;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10, 26, 48, 0.92) 22%, rgba(10, 26, 48, 0.62) 55%, rgba(10, 26, 48, 0.35) 100%);
  z-index: 1;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(201, 164, 92, 0.2) 0%, transparent 65%);
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 22px;
  background: rgba(201, 164, 92, 0.16);
  border: 1px solid rgba(201, 164, 92, 0.38);
  border-radius: 40px;
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}

.page-hero h1 {
  font-size: 2.9rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.22;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

.page-hero h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.page-hero p {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin-bottom: 34px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ============ section ============ */
.section {
  padding: 88px 0;
}

.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 54px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-light);
  font-size: 1.02rem;
  line-height: 1.8;
}

.section-intro {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

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

.intro-card {
  padding: 38px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.intro-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.intro-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201, 164, 92, 0.3);
}

.intro-card:hover::before {
  transform: scaleX(1);
}

.intro-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  font-size: 1.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 22px rgba(18, 41, 77, 0.22);
}

.intro-card h3 {
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.intro-card p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ============ steps ============ */
.section-steps {
  background: var(--primary-deep);
  position: relative;
  overflow: hidden;
}

.section-steps::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 800px;
  height: 800px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(201, 164, 92, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.section-steps .section-header h2 {
  color: var(--text-white);
}

.section-steps .section-header p {
  color: rgba(255, 255, 255, 0.68);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.step-card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px 30px;
  transition: all 0.35s ease;
  position: relative;
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(201, 164, 92, 0.3);
  transform: translateY(-8px);
}

.step-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.85;
  line-height: 1.2;
  margin-bottom: 18px;
  display: block;
}

.step-card h3 {
  font-size: 1.1rem;
  color: var(--text-white);
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ============ points ============ */
.section-points {
  background: var(--bg);
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.point-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.point-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: rgba(201, 164, 92, 0.22);
}

.point-card img {
  width: 100%;
  height: 224px;
  object-fit: cover;
}

.point-content {
  padding: 30px 32px 32px;
}

.point-content h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.point-content p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 18px;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(201, 164, 92, 0.1);
  border: 1px solid rgba(201, 164, 92, 0.2);
  color: var(--accent-dark);
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ============ news ============ */
.section-news {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.news-list {
  max-width: 860px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 30px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  border-radius: var(--radius-md);
}

.news-item:hover {
  background: var(--bg);
}

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

.news-date {
  flex-shrink: 0;
  min-width: 84px;
  text-align: center;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
}

.news-date small {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
}

.news-text h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  transition: color var(--transition);
}

.news-item:hover .news-text h3 {
  color: var(--accent-dark);
}

.news-text p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ============ faq ============ */
.section-faq {
  background: var(--bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 16px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  overflow: hidden;
}

.faq-item:hover {
  border-color: rgba(201, 164, 92, 0.3);
  box-shadow: 0 4px 18px rgba(18, 41, 77, 0.06);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-question::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.82rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  padding: 0 28px;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  color: var(--text-light);
  font-size: 0.94rem;
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 28px 24px;
}

/* ============ cta ============ */
.section-cta {
  background: var(--primary-deep);
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: "";
  position: absolute;
  left: 10%;
  top: -60%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(201, 164, 92, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.section-cta::after {
  content: "";
  position: absolute;
  right: 5%;
  bottom: -70%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(201, 164, 92, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-block {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.cta-block h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.3;
  margin-bottom: 16px;
}

.cta-block p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.04rem;
  margin-bottom: 36px;
  line-height: 1.85;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}

/* ============ footer ============ */
.site-footer {
  background: #0b1728;
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 32px;
  border-top: 4px solid var(--accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 52px;
}

.footer-site-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.footer-brand-block p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.56);
  max-width: 300px;
}

.footer-nav-col h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.footer-nav-list li {
  margin-bottom: 12px;
}

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

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

.footer-nav-list span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.42);
}

/* ============ responsive ============ */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .site-header {
    padding: 10px 0;
  }

  .header-inner {
    gap: 14px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--primary-deep);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 30px 36px;
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    padding: 12px 0;
    width: 100%;
  }

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

  .nav-toggle {
    display: flex;
  }

  .header-tools .btn {
    display: none;
  }

  .page-hero {
    min-height: 400px;
    padding: 120px 0 70px;
  }

  .page-hero h1 {
    font-size: 2.15rem;
  }

  .page-hero p {
    font-size: 0.98rem;
  }

  .section {
    padding: 64px 0;
  }

  .section-header h2 {
    font-size: 1.7rem;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .intro-card {
    padding: 30px 26px;
  }

  .news-item {
    flex-direction: column;
    gap: 12px;
  }

  .cta-block h2 {
    font-size: 1.7rem;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .site-logo {
    font-size: 1.1rem;
  }

  .page-hero h1 {
    font-size: 1.72rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .section-header h2 {
    font-size: 1.45rem;
  }

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

  .step-card {
    padding: 28px 22px;
  }

  .point-card img {
    height: 180px;
  }

  .point-content {
    padding: 24px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .faq-question {
    font-size: 0.94rem;
    padding: 18px 20px;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item.open .faq-answer {
    padding: 0 20px 20px;
  }
}