/* roulang page: index */
:root {
    --primary: #0E5E3E;
    --primary-dark: #0B2E20;
    --primary-light: #1A7A54;
    --accent: #F59A23;
    --gold: #D6A34A;
    --bg-warm: #F7F6F2;
    --bg-card: #FFFFFF;
    --text-main: #1F1F1C;
    --text-sub: #6E6E66;
    --border-line: #E8E6E0;
    --radius-lg: 16px;
    --radius-sm: 10px;
    --radius-pill: 100px;
    --shadow-card: 0 2px 8px rgba(0,0,0,.05);
    --shadow-hover: 0 10px 26px rgba(0,0,0,.12);
    --trans: .25s ease;
    --space-section: 96px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --font-num: "Inter", "Archivo", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-main);
    background: var(--bg-warm);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-card); }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head .overline {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(14, 94, 62, .08);
    padding: 4px 16px;
    border-radius: var(--radius-pill);
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-main);
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}
.section-head h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 4px;
    background: var(--accent);
    border-radius: 4px;
}
.section-head p { color: var(--text-sub); font-size: 16px; margin-top: 16px; max-width: 680px; margin-left: auto; margin-right: auto; }

/* ===== Header ===== */
.site-header { background: var(--bg-card); box-shadow: 0 1px 4px rgba(0,0,0,.04); position: sticky; top: 0; z-index: 1000; }
.header-top { border-bottom: 1px solid var(--border-line); }
.brand-row { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-name { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: .5px; }
.brand-domain { font-size: 12px; color: var(--text-sub); font-family: var(--font-num); letter-spacing: 1px; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-actions .login-link { font-size: 14px; color: var(--text-main); font-weight: 500; }
.header-actions .login-link:hover { color: var(--primary); }
.header-actions .register-link { font-size: 14px; color: var(--primary); font-weight: 600; }
.btn-recharge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 8px 22px;
    border-radius: var(--radius-pill);
    transition: background var(--trans), transform var(--trans);
}
.btn-recharge:hover { background: #e0840e; color: #fff; transform: translateY(-2px); }

/* Channel Nav */
.channel-nav { background: var(--primary-dark); }
.channel-list { display: flex; align-items: center; list-style: none; padding: 10px 0; gap: 12px; }
.channel-list li { flex: 0 0 auto; }
.channel-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.08);
    padding: 7px 22px;
    border-radius: var(--radius-pill);
    transition: background var(--trans), color var(--trans), transform var(--trans);
}
.channel-link:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.channel-link.active { background: #fff; color: var(--primary); font-weight: 700; }
.channel-link.active:hover { color: var(--primary); }

/* ===== Hero ===== */
.hero {
    position: relative;
    background: linear-gradient(90deg, rgba(11,46,32,.78) 0%, rgba(11,46,32,.45) 65%, rgba(11,46,32,.08) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    padding: 110px 0 90px;
    color: #fff;
    overflow: hidden;
}
.hero-inner { max-width: 720px; }
.hero .hero-badge {
    display: inline-block;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.25);
    backdrop-filter: blur(4px);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: #fff;
    padding: 5px 18px;
    border-radius: var(--radius-pill);
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 46px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}
.hero h1 .highlight { color: var(--accent); }
.hero .hero-sub {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255,255,255,.85);
    margin-bottom: 36px;
    max-width: 600px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    padding: 14px 34px;
    border-radius: var(--radius-sm);
    border: none;
    transition: all var(--trans);
    cursor: pointer;
    text-decoration: none;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn:active { opacity: .85; transform: scale(.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,.7);
}
.btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; transform: translateY(-3px); border-color: #fff; }
.btn-orange { background: var(--accent); color: #fff; }
.btn-orange:hover { background: #e0840e; color: #fff; transform: translateY(-3px); box-shadow: 0 10px 26px rgba(245,154,35,.3); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 40px; }
.hero-stat { min-width: 120px; }
.hero-stat .num { font-family: var(--font-num); font-size: 32px; font-weight: 800; color: var(--gold); line-height: 1.2; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; letter-spacing: 1px; }

/* ===== Features (错落功能) ===== */
.feature-row { align-items: stretch; margin-bottom: 36px; }
.feature-row:last-child { margin-bottom: 0; }
.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 36px 34px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform var(--trans), box-shadow var(--trans);
    border: 1px solid rgba(232,230,224,.5);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-card.is-large { padding: 44px 40px; }
.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(14,94,62,.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 20px;
    border: 1px solid rgba(14,94,62,.12);
}
.feature-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 12px; color: var(--text-main); }
.feature-card p { font-size: 15px; line-height: 1.8; color: var(--text-sub); margin-bottom: 16px; flex: 1; }
.feature-link { font-weight: 600; font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.feature-link i { transition: transform var(--trans); font-size: 12px; }
.feature-link:hover i { transform: translateX(4px); }

/* ===== Scenarios (四步流程) ===== */
.scenarios { background: var(--primary-dark); color: #fff; }
.scenarios .section-head h2 { color: #fff; }
.scenarios .section-head p { color: rgba(255,255,255,.7); }
.scenarios .section-head h2::after { background: var(--gold); }
.scenario-steps { display: flex; position: relative; margin: 60px 0 20px; }
.scenario-steps::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: rgba(255,255,255,.2);
}
.scenario-step { flex: 1; text-align: center; position: relative; padding: 0 16px; }
.scenario-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    position: relative;
    z-index: 2;
    font-family: var(--font-num);
    box-shadow: 0 0 0 6px var(--primary-dark), 0 0 0 8px rgba(255,255,255,.25);
}
.scenario-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.scenario-step p { font-size: 14px; color: rgba(255,255,255,.65); line-height: 1.7; max-width: 200px; margin: 0 auto; }

/* ===== Cases ===== */
.case-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform var(--trans), box-shadow var(--trans);
    border: 1px solid rgba(232,230,224,.4);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.case-card:hover .case-thumb img { transform: scale(1.03); }
.case-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case-stars { color: var(--gold); font-size: 14px; letter-spacing: 3px; margin-bottom: 10px; }
.case-body h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.case-body p { font-size: 14px; color: var(--text-sub); line-height: 1.7; flex: 1; margin-bottom: 14px; }
.case-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.case-link i { font-size: 13px; transition: transform var(--trans); }
.case-link:hover i { transform: translateX(4px); }

/* ===== Pricing ===== */
.pricing-grid { display: flex; align-items: flex-end; gap: 28px; justify-content: center; }
.pricing-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-line);
    box-shadow: var(--shadow-card);
    padding: 36px 32px;
    flex: 1;
    max-width: 340px;
    position: relative;
    transition: transform var(--trans), box-shadow var(--trans);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.pricing-card.featured {
    background: var(--bg-card);
    border: 2px solid var(--primary);
    box-shadow: 0 12px 32px rgba(14,94,62,.18);
    transform: scale(1.04);
    padding: 48px 36px;
}
.pricing-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%,-50%);
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    padding: 5px 18px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
    letter-spacing: .5px;
}
.pricing-name { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 14px; }
.pricing-price { font-size: 42px; font-weight: 900; color: var(--primary); font-family: var(--font-num); line-height: 1.2; margin-bottom: 4px; }
.pricing-price .unit { font-size: 16px; font-weight: 600; color: var(--text-sub); margin-right: 4px; }
.pricing-desc { font-size: 14px; color: var(--text-sub); margin-bottom: 24px; }
.pricing-features { list-style: none; padding: 0; margin-bottom: 28px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; padding: 7px 0; color: var(--text-main); line-height: 1.6; }
.pricing-features li i { color: var(--primary); font-size: 14px; margin-top: 3px; flex-shrink: 0; }

/* ===== News ===== */
.news-section { background: var(--bg-card); }
.post-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform var(--trans), box-shadow var(--trans);
    border: 1px solid rgba(232,230,224,.4);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.post-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; background: #eceae3; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.post-card:hover .post-thumb img { transform: scale(1.03); }
.post-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.post-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.post-badge {
    background: rgba(245,154,35,.12);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
}
.post-date { font-size: 12px; color: var(--text-sub); }
.post-title { font-size: 17px; font-weight: 800; line-height: 1.45; margin-bottom: 8px; }
.post-title a { color: var(--text-main); }
.post-title a:hover { color: var(--primary); }
.post-excerpt {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    margin-bottom: 14px;
}
.post-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.post-link i { font-size: 12px; transition: transform var(--trans); }
.post-link:hover i { transform: translateX(4px); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-sub); border: 1px dashed var(--border-line); border-radius: var(--radius-lg); background: var(--bg-warm); }
.empty-state i { font-size: 36px; color: #c9c6bd; margin-bottom: 12px; display: block; }
.empty-state p { font-size: 15px; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion { list-style: none; padding: 0; background: transparent; border: none; }
.accordion-item { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid rgba(232,230,224,.4); margin-bottom: 16px; overflow: hidden; transition: box-shadow var(--trans); }
.accordion-item.is-active { box-shadow: var(--shadow-hover); }
.accordion-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    padding: 22px 28px;
    cursor: pointer;
    border: none;
    background: transparent;
    position: relative;
}
.accordion-title:hover, .accordion-title:focus { color: var(--primary); background: transparent; outline: none; }
.accordion-title::before { content: none; }
.accordion-title::after {
    content: "+";
    font-family: var(--font-num);
    font-size: 24px;
    font-weight: 500;
    color: var(--primary);
    width: 32px;
    height: 32px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--trans);
    line-height: 1;
}
.accordion-item.is-active .accordion-title::after { transform: rotate(45deg); background: var(--primary); color: #fff; }
.accordion-content { padding: 0 28px 24px; font-size: 15px; color: var(--text-sub); line-height: 1.9; border: none; background: transparent; }

/* ===== CTA ===== */
.cta-block { background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 100%); color: #fff; padding: 80px 0; position: relative; overflow: hidden; }
.cta-block::before { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; background: rgba(255,255,255,.04); border-radius: 50%; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 2; }
.cta-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-text p { font-size: 16px; color: rgba(255,255,255,.75); max-width: 480px; }

/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.7); padding-top: 70px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 50px; }
.footer-brand .brand-name { color: #fff; font-size: 20px; font-weight: 800; }
.footer-brand .brand-domain { color: rgba(255,255,255,.4); font-size: 12px; margin-top: 4px; display: block; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; color: rgba(255,255,255,.6); }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: color var(--trans); }
.footer-links a:hover { color: var(--accent); }
.footer-contact p { font-size: 14px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
    :root { --space-section: 72px; }
    .pricing-grid { gap: 18px; align-items: center; flex-wrap: wrap; }
    .pricing-card { max-width: 300px; }
    .pricing-card.featured { transform: none; padding: 36px 32px; }
    .pricing-card.featured:hover { transform: translateY(-4px); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .scenario-steps::before { left: 20px; right: 20px; }
}
@media (max-width: 639px) {
    :root { --space-section: 64px; }
    body { font-size: 15px; }
    .container { padding: 0 18px; }
    .brand-name { font-size: 18px; }
    .brand-domain { display: none; }
    .header-actions .login-link, .header-actions .register-link { display: none; }
    .brand-row { height: 58px; }
    .channel-list { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 10px 0; transform: translateZ(0); }
    .channel-list::-webkit-scrollbar { display: none; }
    .channel-link { white-space: nowrap; }
    .hero { padding: 70px 0 60px; }
    .hero h1 { font-size: 32px; }
    .hero .hero-sub { font-size: 16px; }
    .hero-cta { gap: 12px; }
    .btn { padding: 12px 24px; font-size: 14px; }
    .hero-stats { gap: 20px; }
    .hero-stat .num { font-size: 24px; }
    .feature-card, .feature-card.is-large { padding: 28px 24px; }
    .scenario-steps { flex-direction: column; margin-top: 30px; }
    .scenario-steps::before { display: none; }
    .scenario-step { display: flex; align-items: flex-start; text-align: left; gap: 20px; padding: 16px 0; position: relative; }
    .scenario-step::before { content: ""; position: absolute; left: 27px; top: 56px; bottom: 0; width: 2px; background: rgba(255,255,255,.15); }
    .scenario-step:last-child::before { display: none; }
    .scenario-num { margin: 0; flex-shrink: 0; }
    .scenario-step h3 { margin-bottom: 6px; }
    .scenario-step p { margin: 0; max-width: 100%; }
    .pricing-grid { flex-direction: column; align-items: stretch; }
    .pricing-card { max-width: 100%; }
    .pricing-card.featured { order: -1; transform: none; }
    .pricing-card.featured:hover { transform: translateY(-4px); }
    .cta-inner { flex-direction: column; text-align: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .section-head h2 { font-size: 26px; }
    .section-head p { font-size: 15px; }
    .accordion-title { padding: 18px 20px; font-size: 15px; }
    .accordion-content { padding: 0 20px 20px; }
}

/* roulang page: category1 */
:root {
  --green: #0E5E3E;
  --green-dark: #0B2E20;
  --orange: #F59A23;
  --gold: #D6A34A;
  --bg: #F7F6F2;
  --card-bg: #FFFFFF;
  --text: #1F1F1C;
  --text-muted: #6E6E66;
  --border: #E3E1D8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 26px rgba(0,0,0,.12);
  --transition: .25s ease;
  --section-space: 96px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Inter, Archivo, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange); }
ul, ol { list-style: none; margin: 0; padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: relative; z-index: 20; background: var(--card-bg); }
.header-top { border-bottom: 1px solid var(--border); background: var(--card-bg); }
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 20px;
  flex-wrap: wrap;
}
.brand { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-size: 28px; font-weight: 900; color: var(--green); letter-spacing: 1px; }
.brand-domain { font-size: 13px; color: var(--text-muted); letter-spacing: 1px; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.login-link, .register-link { font-size: 14px; color: var(--text); font-weight: 500; }
.login-link:hover, .register-link:hover { color: var(--green); }
.btn-recharge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-recharge:hover { background: var(--gold); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.channel-nav { background: var(--green); }
.channel-list {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.channel-link {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  color: rgba(255,255,255,.92);
  background: rgba(255,255,255,.12);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.channel-link:hover { background: var(--orange); color: #fff; }
.channel-link.active { background: #fff; color: var(--green); font-weight: 800; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}
.btn:focus { outline: 2px solid var(--orange); outline-offset: 2px; }
.btn:active { opacity: .85; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--orange); color: #fff; transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--gold); color: #fff; transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: rgba(14,94,62,.08); color: var(--green); }
.btn-white { border-color: #fff; color: #fff; background: transparent; }
.btn-white:hover { background: rgba(255,255,255,.15); color: #fff; }

/* Hero */
.category-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,46,32,.88) 0%, rgba(11,46,32,.72) 45%, rgba(11,46,32,.30) 100%);
  z-index: 1;
}
.hero-inner { position: relative; z-index: 2; padding: 56px 0; }
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  background: var(--orange);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.category-hero h1 {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin: 0 0 14px;
}
.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,.9);
  max-width: 680px;
  margin: 0 0 30px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Metrics */
.metrics-section { background: var(--card-bg); border-bottom: 1px solid var(--border); padding: 30px 0; }
.metric { text-align: center; padding: 12px 8px; }
.metric-number { display: block; font-size: 34px; font-weight: 900; color: var(--gold); line-height: 1.2; }
.metric-label { display: inline-block; margin-top: 6px; font-size: 14px; color: var(--text-muted); }

/* Feature Sections */
.feature-section { padding: var(--section-space) 0; }
.feature-section.bg-white { background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.feature-copy .badge { margin-bottom: 12px; }
.feature-copy h2 { font-size: 32px; font-weight: 800; color: var(--text); line-height: 1.3; margin: 0 0 16px; }
.feature-copy p { color: var(--text-muted); font-size: 16px; margin-bottom: 0; }
.badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 100px;
  background: rgba(245,154,35,.14);
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .5px;
}
.check-list { margin: 24px 0; }
.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--text);
  font-size: 15px;
}
.check-list li::before {
  content: "";
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(14,94,62,.12);
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E5E3E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.link-more { display: inline-block; margin-top: 18px; font-weight: 800; color: var(--green); font-size: 15px; }
.link-more span { display: inline-block; transition: transform var(--transition); }
.link-more:hover span { transform: translateX(5px); }
.feature-figure { margin: 0; background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.feature-figure img { width: 100%; height: 340px; object-fit: cover; transition: transform .3s ease; }
.feature-figure:hover img { transform: scale(1.03); }
.feature-figure figcaption { padding: 14px 18px; font-size: 14px; color: var(--text-muted); background: var(--card-bg); border-top: 1px solid var(--border); }

/* Steps */
.steps-section { padding: var(--section-space) 0; background: var(--green-dark); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head .badge { background: rgba(214,163,74,.18); color: var(--gold); }
.section-head h2 { font-size: 34px; font-weight: 900; color: var(--text); line-height: 1.3; margin: 10px 0 0; }
.section-head p { color: var(--text-muted); font-size: 16px; margin-top: 10px; }
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head p { color: rgba(255,255,255,.72); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; margin-top: 32px; }
.steps::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: rgba(255,255,255,.25);
}
.step-item { position: relative; text-align: center; padding: 0 16px; }
.step-number {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid var(--orange);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  margin: 0 auto 18px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px rgba(245,154,35,.15);
}
.step-item h3 { font-size: 20px; font-weight: 800; color: #fff; margin: 0 0 8px; }
.step-item p { font-size: 14px; color: rgba(255,255,255,.75); margin: 0; }

/* FAQ */
.faq-section { padding: var(--section-space) 0; }
.faq-section .section-head h2 { color: var(--text); }
.faq-section .section-head p { color: var(--text-muted); }
.accordion {
  max-width: 860px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 8px 28px;
  box-shadow: var(--shadow-sm);
}
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
  padding: 20px 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
  background: transparent;
  border: none;
}
.accordion-title:hover, .accordion-title:focus { color: var(--green); background: transparent; }
.accordion-title::after {
  content: "+";
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition);
}
.accordion-item.is-active > .accordion-title::after { transform: rotate(45deg); background: var(--orange); }
.accordion-content { padding: 0 0 20px; color: var(--text-muted); font-size: 15px; }

/* Dark CTA */
.dark-cta { padding: 80px 0; background: var(--green-dark); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: 32px; font-weight: 900; margin: 0 0 10px; line-height: 1.3; }
.cta-inner p { color: rgba(255,255,255,.78); font-size: 16px; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--green-dark); color: rgba(255,255,255,.8); padding-top: 60px; }
.site-footer .brand-name { color: #fff; font-size: 28px; font-weight: 900; }
.site-footer .brand-domain { color: rgba(255,255,255,.5); font-size: 13px; letter-spacing: 1px; }
.site-footer p { font-size: 14px; color: rgba(255,255,255,.68); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-title { font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: .5px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.72); font-size: 14px; }
.footer-links a:hover { color: var(--orange); }
.footer-contact p { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* Responsive */
@media (max-width: 1023px) {
  .category-hero h1 { font-size: 36px; }
  .feature-section .grid-x { row-gap: 40px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
  .steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 639px) {
  :root { --section-space: 64px; }
  .brand-row { padding: 16px 0; }
  .brand-name { font-size: 22px; }
  .header-actions { gap: 12px; }
  .register-link { display: none; }
  .category-hero { min-height: 360px; }
  .category-hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .metric-number { font-size: 28px; }
  .feature-section .grid-x { row-gap: 32px; }
  .feature-copy h2 { font-size: 26px; }
  .section-head h2 { font-size: 26px; }
  .feature-figure img { height: 240px; }
  .steps { grid-template-columns: 1fr; gap: 10px; margin-top: 0; }
  .step-item { display: flex; align-items: flex-start; gap: 18px; text-align: left; padding: 16px 0; }
  .step-number { margin: 0; flex: 0 0 56px; width: 56px; height: 56px; font-size: 18px; }
  .step-item h3 { margin-bottom: 4px; }
  .step-item p { font-size: 14px; }
  .step-item:not(:last-child) { position: relative; }
  .step-item:not(:last-child)::after { content: ""; position: absolute; left: 27px; top: 76px; bottom: -8px; width: 2px; border-left: 2px dashed rgba(255,255,255,.35); }
  .accordion { padding: 8px 16px; }
  .accordion-title { font-size: 16px; padding: 16px 0; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-inner h2 { font-size: 26px; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* roulang page: article */
:root {
            --primary: #0E5E3E;
            --primary-dark: #0B2E20;
            --accent: #F59A23;
            --accent-dark: #d97f0f;
            --gold: #D6A34A;
            --bg: #F7F6F2;
            --white: #FFFFFF;
            --text: #1F1F1C;
            --text-muted: #6E6E66;
            --border: #E8E6DF;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 100px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);
            --shadow-lg: 0 10px 26px rgba(0, 0, 0, .12);
            --transition: .25s ease;
            --container-max: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent-dark); }
        ul, ol { list-style: none; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

        .site-header { background: var(--white); box-shadow: 0 1px 4px rgba(0, 0, 0, .06); position: relative; z-index: 10; }
        .header-top { padding: 14px 0; }
        .brand-row { display: flex; align-items: center; justify-content: space-between; }
        .brand { display: flex; flex-direction: column; line-height: 1.2; }
        .brand-name { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
        .brand-domain { font-size: .72rem; color: var(--text-muted); letter-spacing: .5px; }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .login-link, .register-link { font-size: .88rem; color: var(--text); font-weight: 500; }
        .login-link:hover, .register-link:hover { color: var(--primary); }
        .btn-recharge {
            background: var(--accent);
            color: #fff;
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            font-size: .86rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(245, 154, 35, .35);
        }
        .btn-recharge:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(245, 154, 35, .4); }
        .btn-recharge:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

        .channel-nav { background: var(--primary-dark); padding: 10px 0; }
        .channel-list { display: flex; gap: 10px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
        .channel-list::-webkit-scrollbar { display: none; }
        .channel-link {
            display: inline-block;
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            color: rgba(255, 255, 255, .82);
            font-size: .88rem;
            font-weight: 500;
            background: rgba(255, 255, 255, .08);
            white-space: nowrap;
            transition: all var(--transition);
        }
        .channel-link:hover { background: var(--accent); color: #fff; }
        .channel-link:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
        .channel-link.active { background: #fff; color: var(--primary-dark); font-weight: 700; }

        .breadcrumb-area { background: var(--primary-dark); padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .06); }
        .breadcrumb-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: .84rem; }
        .breadcrumb-nav a { color: rgba(255, 255, 255, .7); transition: color var(--transition); }
        .breadcrumb-nav a:hover { color: var(--accent); }
        .breadcrumb-sep { color: rgba(255, 255, 255, .35); }
        .breadcrumb-current { color: rgba(255, 255, 255, .92); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 320px; }
        .breadcrumb-back { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; background: rgba(255, 255, 255, .1); padding: 5px 14px; border-radius: var(--radius-pill); color: rgba(255, 255, 255, .85); font-weight: 500; font-size: .8rem; transition: all var(--transition); }
        .breadcrumb-back:hover { background: var(--accent); color: #fff; }

        .article-main { padding: 56px 0 24px; }
        .article-card {
            max-width: 880px;
            margin: 0 auto;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 56px 40px;
            border: 1px solid rgba(0, 0, 0, .03);
        }
        .article-header { text-align: center; margin-bottom: 36px; }
        .article-category {
            display: inline-block;
            background: rgba(245, 154, 35, .14);
            color: var(--primary);
            padding: 5px 18px;
            border-radius: var(--radius-pill);
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: clamp(26px, 4vw, 38px);
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            letter-spacing: -.5px;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 22px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: .84rem;
        }
        .meta-item { display: inline-flex; align-items: center; gap: 6px; }
        .meta-item i { color: var(--primary); opacity: .6; }
        .meta-divider { width: 4px; height: 4px; border-radius: 50%; background: var(--border); }

        .article-body { max-width: 720px; margin: 0 auto; font-size: 16px; line-height: 1.8; color: var(--text); }
        .article-body h1, .article-body h2 { font-size: 1.55rem; font-weight: 700; margin: 36px 0 16px; color: var(--text); padding-bottom: 10px; border-bottom: 2px solid rgba(14, 94, 62, .1); }
        .article-body h3 { font-size: 1.22rem; font-weight: 700; margin: 28px 0 14px; color: var(--text); }
        .article-body h4 { font-size: 1.05rem; font-weight: 700; margin: 20px 0 10px; color: var(--text); }
        .article-body p { margin-bottom: 24px; }
        .article-body a { text-decoration: underline; text-underline-offset: 3px; }
        .article-body img { border-radius: 12px; margin: 28px auto; width: 100%; height: auto; object-fit: cover; box-shadow: var(--shadow-sm); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            background: rgba(14, 94, 62, .05);
            margin: 28px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-muted);
            font-style: normal;
        }
        .article-body blockquote p { margin-bottom: 0; }
        .article-body ul, .article-body ol { margin: 0 0 24px 22px; list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 8px; }
        .article-body table { width: 100%; max-width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .9rem; }
        .article-body th, .article-body td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
        .article-body th { background: rgba(14, 94, 62, .06); font-weight: 600; }
        .article-body pre {
            background: #F0EFEA; border-radius: 10px; padding: 18px; overflow-x: auto;
            font-family: 'Consolas', 'Courier New', monospace; font-size: .88em; margin: 24px 0;
        }
        .article-body code { background: #F0EFEA; border-radius: 4px; padding: 2px 6px; font-size: .9em; font-family: 'Consolas', monospace; }

        .article-pager {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .pager-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            font-weight: 500;
            color: var(--primary);
            background: rgba(14, 94, 62, .06);
            padding: 10px 18px;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            max-width: 48%;
        }
        .pager-link:hover { background: var(--primary); color: #fff; }
        .pager-link i { font-size: .8rem; }

        .article-empty {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 100px 40px;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .03);
        }
        .empty-icon { font-size: 3.2rem; color: var(--border); margin-bottom: 18px; }
        .article-empty h1 { font-size: 1.8rem; font-weight: 800; color: var(--text); margin-bottom: 12px; }
        .article-empty p { color: var(--text-muted); margin-bottom: 28px; font-size: .95rem; }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            font-size: .95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
        }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(14, 94, 62, .25); }
        .btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
        .btn-primary:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

        .related-section { padding: 72px 0 56px; }
        .section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 36px; }
        .section-head h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text);
            position: relative;
            padding-bottom: 12px;
        }
        .section-head h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 44px;
            height: 4px;
            background: var(--primary);
            border-radius: var(--radius-pill);
        }
        .section-more { font-size: .88rem; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: all var(--transition); }
        .section-more:hover { color: var(--accent-dark); gap: 10px; }
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .03);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .related-img { overflow: hidden; }
        .related-img img { width: 100%; height: 160px; object-fit: cover; transition: transform .4s ease; }
        .related-card:hover .related-img img { transform: scale(1.04); }
        .related-card-body { padding: 18px 20px 20px; flex: 1; }
        .related-card-body h3 {
            font-size: .95rem;
            font-weight: 700;
            line-height: 1.55;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .related-card:hover .related-card-body h3 { color: var(--primary); }
        .related-meta { font-size: .78rem; color: var(--text-muted); margin-top: 12px; display: flex; align-items: center; gap: 6px; }

        .faq-section { padding: 56px 0 80px; }
        .faq-section .section-head { justify-content: center; text-align: center; }
        .faq-section .section-head h2::after { left: 50%; transform: translateX(-50%); }
        .accordion { max-width: 820px; margin: 0 auto; background: transparent; border: none; }
        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .accordion-item:hover { box-shadow: var(--shadow-lg); }
        .accordion-title {
            background: transparent !important;
            border: none !important;
            padding: 20px 24px !important;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition), background var(--transition);
        }
        .accordion-title:hover { background: rgba(14, 94, 62, .04) !important; color: var(--primary); }
        .accordion-title::after {
            font-family: 'Font Awesome 6 Free';
            content: '\f067';
            font-weight: 900;
            font-size: .9rem;
            color: var(--primary);
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(14, 94, 62, .1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .accordion-item.is-active .accordion-title::after { content: '\f068'; background: var(--primary); color: #fff; }
        .accordion-content { background: transparent !important; border: none !important; padding: 0 24px 20px !important; color: var(--text-muted); font-size: .92rem; line-height: 1.7; }
        .accordion-content p { margin-bottom: 8px; }

        .cta-section { padding: 32px 0 80px; }
        .cta-box {
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 52px 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 12px 32px rgba(11, 46, 32, .25);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-box h2 { color: #fff; font-size: 1.7rem; font-weight: 800; margin-bottom: 8px; }
        .cta-box p { color: rgba(255, 255, 255, .78); font-size: .92rem; max-width: 440px; }
        .btn-accent { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(245, 154, 35, .4); position: relative; z-index: 2; }
        .btn-accent:hover { background: var(--gold); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(214, 163, 74, .45); }
        .btn-accent:focus { outline: 2px solid var(--gold); outline-offset: 2px; }

        .site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, .7); padding: 64px 0 0; font-size: .88rem; margin-top: 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 48px; }
        .footer-brand .brand-name { color: #fff; font-size: 1.25rem; font-weight: 800; letter-spacing: 1px; }
        .footer-brand .brand-domain { color: rgba(255, 255, 255, .4); font-size: .78rem; }
        .footer-brand p { margin-top: 14px; line-height: 1.8; color: rgba(255, 255, 255, .55); font-size: .88rem; }
        .footer-title { color: #fff; font-weight: 700; margin-bottom: 16px; font-size: .95rem; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: rgba(255, 255, 255, .6); transition: color var(--transition); }
        .footer-links a:hover { color: var(--accent); }
        .footer-contact p { margin-bottom: 10px; display: flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, .6); }
        .footer-contact i { color: var(--accent); width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .4);
        }

        @media (max-width: 1023px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .cta-box { padding: 40px 32px; }
            .article-card { padding: 36px 32px 32px; }
        }
        @media (max-width: 767px) {
            .container { padding: 0 16px; }
            .header-top { padding: 10px 0; }
            .brand-name { font-size: 1.05rem; }
            .brand-domain { font-size: .65rem; }
            .header-actions { gap: 8px; }
            .login-link, .register-link { font-size: .78rem; }
            .btn-recharge { padding: 5px 12px; font-size: .76rem; gap: 4px; }
            .channel-nav { padding: 8px 0; }
            .channel-link { padding: 7px 16px; font-size: .82rem; }
            .breadcrumb-current { max-width: 160px; }
            .breadcrumb-back { margin-left: 0; }
            .article-main { padding: 32px 0 16px; }
            .article-card { padding: 24px 18px 24px; }
            .article-header h1 { font-size: 1.4rem; }
            .article-meta { gap: 12px; font-size: .76rem; }
            .article-body { font-size: 15px; line-height: 1.78; }
            .article-body h1, .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.08rem; }
            .article-pager { flex-direction: column; }
            .pager-link { max-width: 100%; }
            .related-section { padding: 48px 0 32px; }
            .related-img img { height: 120px; }
            .faq-section { padding: 40px 0 56px; }
            .accordion-title { padding: 16px 18px !important; font-size: .9rem; }
            .accordion-content { padding: 0 18px 16px !important; }
            .cta-box { flex-direction: column; text-align: center; padding: 36px 22px; }
            .cta-box h2 { font-size: 1.35rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .site-footer { padding-top: 44px; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
            .article-empty { padding: 60px 20px; }
        }
        @media (max-width: 520px) {
            .brand-name { font-size: .95rem; }
            .header-actions .register-link { display: none; }
            .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
            .article-meta { flex-direction: column; gap: 6px; }
            .meta-divider { display: none; }
        }