/* roulang page: index */
:root {
    --primary: #0B7A62;
    --primary-dark: #075A49;
    --primary-light: #E4F2EE;
    --accent: #F5A524;
    --accent-light: #FEF3DF;
    --highlight: #E45B47;
    --bg: #F7F4EE;
    --bg-light: #FBFAF6;
    --card-bg: #FFFFFF;
    --text: #21302B;
    --text-secondary: #5F6F67;
    --border: #DCE5DF;
    --dark-bg: #0A332B;
    --dark-text: #E8F2EE;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 3px rgba(33, 48, 43, 0.06), 0 1px 2px rgba(33, 48, 43, 0.04);
    --shadow-md: 0 4px 12px rgba(33, 48, 43, 0.08), 0 2px 4px rgba(33, 48, 43, 0.04);
    --shadow-lg: 0 12px 28px rgba(33, 48, 43, 0.12), 0 4px 12px rgba(33, 48, 43, 0.06);
    --spacing-section: clamp(3rem, 7vw, 5.5rem);
    --container-max: 1200px;
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", "Helvetica Neue", Arial, sans-serif;
    --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; border: none; cursor: pointer; }
input, select, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--primary-light); color: var(--primary-dark); }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); }
.section { padding: var(--spacing-section) 0; }
.section-header { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-title { font-size: clamp(1.75rem, 3.2vw, 2.25rem); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; color: var(--text); margin-bottom: 0.75rem; }
.section-desc { font-size: 1rem; color: var(--text-secondary); max-width: 620px; margin: 0 auto; line-height: 1.8; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 600; border-radius: var(--radius-sm); padding: 12px 26px; font-size: 15px; line-height: 1.4; border: 1.5px solid transparent; transition: all 0.25s ease; text-decoration: none; }
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 6px rgba(11, 122, 98, 0.2); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(11, 122, 98, 0.28); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 6px rgba(11, 122, 98, 0.2); }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(0); }
.btn-light { background: #ffffff; color: var(--primary-dark); }
.btn-light:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--dark-text); border-color: rgba(255, 255, 255, 0.6); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-block { width: 100%; }

/* Header / Nav */
.site-header { background: rgba(247, 244, 238, 0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; transition: box-shadow 0.3s ease; }
.site-header.scrolled { box-shadow: var(--shadow-md); }
.nav-container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); display: flex; align-items: center; justify-content: space-between; height: clamp(64px, 8vw, 76px); }
.logo { display: flex; align-items: baseline; gap: 2px; text-decoration: none; }
.logo-main { font-size: 1.45rem; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.02em; }
.logo-sub { font-size: 0.68rem; font-weight: 600; color: var(--text-secondary); margin-left: 4px; letter-spacing: 0.06em; text-transform: uppercase; }
.nav-main { display: flex; align-items: center; gap: clamp(16px, 3.5vw, 36px); }
.nav-links { display: flex; align-items: center; gap: clamp(12px, 2.5vw, 28px); list-style: none; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; padding: 6px 2px; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); border-radius: 2px; transition: width 0.3s ease; }
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--primary); }
.nav-status { display: flex; align-items: center; }
.status-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-light); color: var(--primary-dark); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-pill); }
.status-badge i { font-size: 10px; color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; font-size: 24px; color: var(--text); padding: 6px; }
@media (max-width: 1024px) {
    .nav-main { gap: 12px; }
    .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-light); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 20px 24px; box-shadow: var(--shadow-lg); gap: 6px; }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 10px 0; font-size: 16px; border-bottom: 1px solid rgba(220, 229, 223, 0.5); }
    .nav-toggle { display: block; }
    .nav-cta-text { display: none; }
}
@media (max-width: 640px) {
    .nav-actions .btn { padding: 10px 16px; font-size: 13px; }
    .status-badge { display: none; }
}
.nav-arrow { display: none; }
@media (max-width: 1024px) {
    .nav-main { flex-direction: column; align-items: flex-start; gap: 10px; }
    .nav-links { position: static; display: none; width: 100%; box-shadow: none; background: transparent; border: 0; }
    .nav-links.open { display: flex; }
}
@media (min-width: 1025px) {
    .nav-links { display: flex !important; }
}

/* Hero */
.hero-section { position: relative; padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.5rem, 6vw, 4rem); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; z-index: 0; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(247, 244, 238, 0.94) 20%, rgba(247, 244, 238, 0.78) 55%, rgba(247, 244, 238, 0.5) 100%); }
.hero-overlay-grid { position: absolute; inset: 0; z-index: 0; background-image: radial-gradient(var(--primary) 0.5px, transparent 0.5px); background-size: 22px 22px; opacity: 0.08; }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(2.5rem, 6vw, 4.5rem); align-items: center; }
.hero-copy { }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-light); padding: 6px 16px; border-radius: var(--radius-pill); font-size: 13px; color: var(--primary-dark); font-weight: 600; margin-bottom: 22px; }
.hero-tag i { font-size: 12px; }
.hero-title { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 800; line-height: 1.22; letter-spacing: -0.025em; margin-bottom: 20px; }
.hero-title .highlight { color: var(--primary); position: relative; }
.hero-subtitle { font-size: clamp(1rem, 1.4vw, 1.125rem); color: var(--text-secondary); line-height: 1.8; margin-bottom: 34px; max-width: 480px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 30px; }
.hero-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 16px; color: var(--text-secondary); font-size: 13px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i { color: var(--primary); }

/* Browser Windows*/
.hero-visual { position: relative; }
.browser-window { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--border); overflow: hidden; }
.browser-bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; background: var(--bg-light); border-bottom: 1px solid var(--border); }
.browser-dot { width: 11px; height: 11px; border-radius: 50%; }
.browser-dot:nth-child(1) { background: #F8B4A8; }
.browser-dot:nth-child(2) { background: #F8D79A; }
.browser-dot:nth-child(3) { background: #A8D8BA; }
.browser-url { flex: 1; background: white; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 12px; font-size: 12px; color: var(--text-secondary); }
.browser-body { background: var(--bg); padding: 0; }
.browser-hero { background-image: linear-gradient(135deg, #E4F2EE 0%, #F7F4EE 60%), url('/assets/images/coverpic/cover-1.webp'); background-blend-mode: overlay; background-size: cover; background-position: center; padding: clamp(20px, 4vw, 38px); position: relative; }
.browser-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(247,244,238,0.1) 100%); pointer-events: none; }
.browser-content-inner { display: flex; flex-direction: column; gap: 8px; position: relative; z-index: 1; align-items: flex-start; }
.browser-mini-tags { display: flex; gap: 6px; margin-bottom: 4px; }
.browser-mini-tag { background: rgba(11, 122, 98, 0.15); color: var(--primary); font-size: 11px; padding: 2px 8px; border-radius: var(--radius-pill); font-weight: 600; }
.browser-mini-title { font-size: 1.35rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.browser-mini-desc { font-size: 13px; color: var(--text-secondary); max-width: 80%; }
.browser-badge-row { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.browser-badge { display: inline-flex; align-items: center; gap: 5px; background: rgba(255, 255, 255, 0.75); backdrop-filter: blur(8px); padding: 5px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; color: var(--primary-dark); border: 1px solid rgba(255, 255, 255, 0.8); }
.browser-badge i { color: var(--accent); }
.hero-float-card { position: absolute; bottom: -20px; left: -26px; background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 16px 20px; display: flex; align-items: center; gap: 12px; border: 1px solid var(--border); z-index: 3; }
.hero-float-card .icon-circle { width: 38px; height: 38px; border-radius: 50%; background: var(--primary-light); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 16px; }
.hero-float-card .text-area { font-size: 12px; }
.hero-float-card .text-area .tiny-label { color: var(--text-secondary); font-size: 11px; }
.hero-float-card .text-area .main-label { font-weight: 700; color: var(--text); font-size: 14px; }
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-meta { justify-content: center; }
    .hero-float-card { left: 50%; transform: translateX(-50%); bottom: -26px; }
    .browser-hero { text-align: left; }
}
@media (max-width: 640px) {
    .hero-title { font-size: clamp(1.9rem, 8vw, 2.4rem); }
    .hero-actions .btn { flex: 0 1 auto; }
    .hero-float-card { padding: 12px 14px; }
}

/* Info Bar */
.info-bar-section { padding: 0; }
.info-bar { display: flex; align-items: center; justify-content: center; gap: 12px 24px; background: var(--primary-light); border: 1px solid #BDE0D5; border-radius: var(--radius-md); padding: 14px 24px; flex-wrap: wrap; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.info-tag { background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: var(--radius-pill); }
.info-text { font-size: 14px; color: var(--text); font-weight: 500; }
.info-link { font-size: 14px; color: var(--primary-dark); font-weight: 600; white-space: nowrap; }
@media (max-width: 640px) { .info-bar { flex-direction: column; text-align: center; } }

/* Comparison */
.comparison-section { background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border); padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 48px); }
.comparison-scroll { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 740px; }
.comparison-table th, .comparison-table td { text-align: center; padding: 13px 12px; border-bottom: 1px solid #ECF0ED; font-size: 14px; }
.comparison-table th { font-weight: 600; color: var(--text-secondary); background: rgba(244, 242, 236, 0.5); }
.comparison-table th:first-child, .comparison-table td:first-child { text-align: left; font-weight: 500; color: var(--text); }
.comparison-table td:first-child { font-size: 14px; }
.comparison-table .header-col { background: var(--bg); font-weight: 600; color: var(--text); padding: 18px 12px; }
.comparison-table .header-col i { margin-right: 6px; }
.col-recommended { background: rgba(228, 242, 238, 0.55); position: relative; }
.col-recommended .recommend-tag { position: absolute; top: 6px; right: 50%; transform: translateX(50%); background: var(--primary); color: #fff; font-size: 10px; border-radius: var(--radius-pill); padding: 1px 8px; font-weight: 600; }
.ic-check { color: var(--primary); font-size: 16px; }
.ic-muted { color: #C2C9C4; font-size: 16px; }
.ic-wait { color: var(--text-secondary); }
.comparison-note { margin-top: 16px; font-size: 13px; color: var(--text-secondary); text-align: center; }
@media (max-width: 1024px) {
    .comparison-scroll { overflow-x: auto; }
    .comparison-table { min-width: 760px; }
}

/* Roadmap / Level path */
.roadmap { position: relative; padding-top: 10px; }
.roadmap::before { content: ''; position: absolute; left: 28px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 60%, var(--accent) 100%); opacity: 0.5; }
@media (min-width: 768px) {
    .roadmap::before { left: 38px; }
}
[data-theme="dark"] .roadmap::before { background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 30%, var(--accent) 100%); opacity: 0.8; }
.roadmap-step {position: relative;padding-left: clamp(72px, 6vw, 110px);padding-bottom: clamp(28px, 4vw, 42px);}
.roadmap-step:last-child { padding-bottom: 0; }
.step-node { position: absolute; left: 0; top: 0; width: 54px; height: 54px; background: white; border-radius: 16px; border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm); color: var(--primary); font-weight: 800; font-size: 17px; }
@media (max-width: 768px) { .step-node { width: 46px; height: 46px; font-size: 15px; border-radius: 12px; } .roadmap-step { padding-left: 64px; } }
@media (max-width: 1024px) and (min-width: 769px) { .roadmap-step { padding-left: 100px; } }
.step-content { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 28px; box-shadow: var(--shadow-sm); transition: box-shadow 0.3s ease, transform 0.3s ease; }
.step-content:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
[data-theme="dark"] .step-content { background: rgba(255, 255, 255, 0.04); border-color: rgba(220, 229, 223, 0.2); }
.step-name-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; margin-bottom: 10px; }
.step-level { color: var(--primary-dark); font-size: 14px; font-weight: 700; background: var(--primary-light); padding: 2px 12px; border-radius: var(--radius-pill); }
[data-theme="dark"] .step-level { background: rgba(11, 122, 98, 0.3); color: var(--primary-light); }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 10px; }
.step-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.step-tag { font-size: 12px; background: white; border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 3px 12px; color: var(--text-secondary); }
[data-theme="dark"] .step-tag { background: transparent; color: var(--dark-text); border-color: rgba(220, 229, 223, 0.4); }
.step-content.interactive { background: white; border: 1.5px solid var(--accent); box-shadow: 0 4px 14px rgba(245, 165, 36, 0.1); }
[data-theme="dark"] .step-content.interactive { background: rgba(245, 165, 36, 0.08); border-color: var(--accent); }

/* Content preview cards */
.grid-feature { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 20px; }
@media (max-width: 1024px) { .grid-feature { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-feature { grid-template-columns: 1fr; } }
.cover-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: white; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
.cover-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cover-card-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.cover-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.cover-card:hover .cover-card-media img { transform: scale(1.05); }
.cover-card-badge { position: absolute; top: 14px; left: 14px; z-index: 2; display: inline-flex; align-items: center; gap: 6px; background: rgba(10, 51, 43, 0.8); color: white; backdrop-filter: blur(10px); padding: 5px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; }
.cover-card-badge.light { background: rgba(255, 255, 255, 0.9); color: var(--primary-dark); }
.cover-card-content { padding: 18px 20px 16px; }
.cover-card-title { font-size: 16px; font-weight: 700; line-height: 1.45; margin-bottom: 4px; }
.cover-card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.grid-feature-expanded { grid-column: span 2; }
@media (max-width: 1024px) { .grid-feature-expanded { grid-column: span 2; } }
@media (max-width: 640px) { .grid-feature-expanded { grid-column: span 1; } }

/* News / CMS */
.news-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; }
.featured-news-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow 0.3s ease; }
.featured-news-card:hover { box-shadow: var(--shadow-md); }
.featured-news-media { aspect-ratio: 16/10; overflow: hidden; }
.featured-news-media img { width: 100%; height: 100%; object-fit: cover; }
.featured-news-body { padding: 20px 22px; }
.featured-news-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.news-list { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 8px 0; }
.news-item { display: flex; flex-direction: column; gap: 6px; padding: 14px 20px; border-bottom: 1px solid #EEF2EF; transition: background 0.2s ease; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: var(--bg-light); }
.news-item-title { font-size: 15px; font-weight: 600; line-height: 1.5; }
.news-item-excerpt { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 4px; }
.news-item-cat { font-size: 12px; background: var(--primary-light); color: var(--primary-dark); padding: 2px 10px; border-radius: var(--radius-pill); }
.news-item-date { font-size: 12px; color: #8B9890; }
.news-more { margin-top: 16px; text-align: right; }
.empty-state { background: white; border: 1px dashed var(--border); border-radius: var(--radius-lg); padding: 40px 24px; display: flex; flex-direction: column; align-items: center; text-align: center; color: var(--text-secondary); }
.empty-state i { font-size: 28px; color: var(--border); margin-bottom: 12px; }
@media (max-width: 900px) { .news-layout { grid-template-columns: 1fr; } }
.news-link-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); }
.news-link-more:hover { color: var(--primary-dark); }

/* Resource / Grid with images 3 cols? -> Keep mixed */
.grid-mixed { display: grid; grid-template-columns: 0.85fr 1.15fr 0.85fr; gap: 20px; }
@media (max-width: 900px) { .grid-mixed { grid-template-columns: 1fr; } }
.content-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.3s ease; }
.content-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.content-card-media img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.content-card-body { padding: 18px 20px; }
.content-card-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.content-card-text { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* FAQ */
.faq-wrap { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.faq-item { background: white; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: border-color 0.2s, box-shadow 0.2s; }
.faq-item.active { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; cursor: pointer; width: 100%; text-align: left; font-weight: 600; font-size: 15px; color: var(--text); background: transparent; border: none; }
.faq-question-icon { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); transition: transform 0.3s; flex-shrink: 0; font-weight: 600;}
.faq-item.active .faq-question-icon { transform: rotate(45deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-item.active .faq-answer { max-height: 600px; padding-bottom: 18px; }
.faq-answer p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.faq-answer ul { font-size: 14px; color: var(--text-secondary); padding-left: 18px; margin-top: 8px; list-style: none; }
.faq-answer ul li { position: relative; padding-left: 12px; margin-bottom: 4px; }
.faq-answer ul li::before { content: ''; position: absolute; left: 0; top: 11px; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); }

/* CTA panel */
.cta-panel { background: var(--dark-bg); border-radius: var(--radius-lg); padding: clamp(2.5rem, 7vw, 5rem) clamp(1.5rem, 6vw, 4rem); position: relative; overflow: hidden; }
.cta-panel::before { content: ''; position: absolute; top: 0; right: 0; width: 420px; height: 420px; background: radial-gradient(circle, rgba(245, 165, 36, 0.12) 0%, transparent 65%); }
.cta-panel::after {content: '';position: absolute;bottom: 0;left: 0;width: 340px;height: 340px;background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);background-size: 20px 20px;}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-copy-flex { display: flex; align-items: center; gap: 16px; }
.cta-title { color: #fff; font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 700; line-height: 1.3; margin-bottom: 8px; }
.cta-subtitle { color: rgba(255, 255, 255, 0.7); font-size: 15px; }
.cta-actions { display: flex; gap: 14px; }
.cta-btn-text { color: rgba(255, 255, 255, 0.8); font-size: 14px; display: inline-flex; align-items: center; gap: 6px;}
.cta-btn-text:hover { color: #fff; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #D9900D; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 20px rgba(245, 165, 36, 0.2); }
@media (max-width: 800px) {
    .cta-inner { flex-direction: column; }
    .cta-copy-flex { flex-direction: column; text-align: center; }
    .cta-title { font-size: 1.5rem; }
}
@media (max-width: 640px) { .cta-actions { flex-direction: column; width: 100%; } }

/* Footer */
.main-footer { background: var(--dark-bg); color: rgba(255, 255, 255, 0.8); padding: clamp(3rem, 5vw, 4.5rem) 0 2.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.footer-brand .logo-main { color: #fff; }
.footer-brand .logo-sub { color: rgba(255, 255, 255, 0.5); }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.6); margin-top: 16px; max-width: 280px; }
.footer-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255, 255, 255, 0.6); font-size: 14px; text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-contact { font-size: 14px; display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { display: inline-flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.6); }
.footer-contact i { color: var(--primary); }
.footer-contact-item i { color: var(--accent) !important; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: inherit; font-size: 13px; }
.footer-bottom-links a:hover { color: var(--accent); }
.back-to-top { position: fixed; bottom: 28px; right: 28px; width: 46px; height: 46px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 99; }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
@media (max-width: 640px) {
    .back-to-top { width: 40px; height: 40px; right: 16px; bottom: 16px; }
    .footer-bottom { flex-direction: column; text-align: center;}
}

/* misc small util */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-2 { margin-bottom: 16px; }
.center-holder { display: flex; justify-content: center; margin-top: 28px; }

/* roulang page: category1 */
:root {
  --primary: #0B7A62;
  --primary-deep: #075A49;
  --primary-light: #E4F2EE;
  --accent: #F5A524;
  --accent-soft: #FEF3DF;
  --danger: #E45B47;
  --danger-soft: #FCE8E4;
  --bg: #F7F4EE;
  --card: #FFFFFF;
  --text: #21302B;
  --text-weak: #5F6F67;
  --border: #DCE5DF;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(33, 48, 43, 0.04), 0 1px 2px rgba(33, 48, 43, 0.04);
  --shadow-md: 0 14px 30px rgba(33, 48, 43, 0.07), 0 4px 8px rgba(33, 48, 43, 0.04);
  --shadow-lg: 0 24px 60px rgba(33, 48, 43, 0.1), 0 8px 20px rgba(33, 48, 43, 0.06);
  --header-h: 74px;
  --max-w: 1220px;
  --space-x: clamp(18px, 3vw, 34px);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--space-x);
  padding-right: var(--space-x);
}
section {
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
}
.btn i {
  font-size: 13px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(11, 122, 98, 0.22);
}
.btn-primary:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(11, 122, 98, 0.24);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(11, 122, 98, 0.2);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-light {
  background: #fff;
  color: var(--primary-deep);
}
.btn-light:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 244, 238, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 229, 223, 0.9);
  transition: box-shadow .2s ease;
}
.site-header.scrolled {
  box-shadow: 0 8px 24px rgba(33, 48, 43, 0.06);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-main {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-weak);
  letter-spacing: .06em;
  border-left: 1px solid var(--border);
  padding-left: 10px;
}
.nav-main {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
  justify-content: flex-end;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  display: inline-block;
  min-height: 40px;
  line-height: 40px;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 999px;
  transition: all .2s ease;
  position: relative;
}
.nav-links a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-links a.active {
  color: var(--primary-deep);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 4px;
  height: 2px;
  border-radius: 4px;
  background: var(--primary);
}
.nav-status {
  display: flex;
  align-items: center;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-weak);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 13px;
  box-shadow: var(--shadow-sm);
}
.status-badge i {
  color: var(--primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-actions .btn {
  height: 42px;
  padding: 0 20px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
@media (max-width: 1024px) {
  .nav-status {
    display: none;
  }
}
@media (max-width: 900px) {
  .nav-main {
    position: fixed;
    top: var(--header-h);
    right: -100%;
    width: min(88vw, 400px);
    height: calc(100vh - var(--header-h));
    background: var(--card);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 20px;
    transition: right .3s ease;
    box-shadow: -10px 0 30px rgba(33, 48, 43, 0.1);
    overflow-y: auto;
  }
  .nav-main.open {
    right: 0;
  }
  .nav-links {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }
  .nav-links a {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 6px;
  }
  .nav-links a.active::after {
    display: none;
  }
  .nav-main .status-badge {
    margin-top: 18px;
    width: 100%;
    justify-content: center;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-actions .btn .nav-cta-text {
    display: none;
  }
  .nav-actions .btn {
    width: 42px;
    padding: 0;
    justify-content: center;
  }
}

/* Main footer */
.main-footer {
  background: var(--primary-deep);
  color: rgba(255,255,255,0.82);
  padding: 60px 0 0;
  margin-top: 72px;
}
.main-footer .logo .logo-main {
  color: #fff;
}
.main-footer .logo .logo-sub {
  color: rgba(255,255,255,0.65);
  border-left-color: rgba(255,255,255,0.24);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-about {
  margin-top: 14px;
  max-width: 320px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-links li + li {
  margin-top: 10px;
}
.footer-links a {
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  transition: all .2s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}
.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
}
.footer-bottom-links {
  display: flex;
  gap: 18px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.5);
  transition: color .2s ease;
}
.footer-bottom-links a:hover {
  color: #fff;
}
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Category banner */
.category-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  overflow: hidden;
  background: var(--primary-deep);
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  opacity: .32;
  z-index: 1;
}
.category-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 51, 43, 0.92) 0%, rgba(10, 51, 43, 0.68) 48%, rgba(7, 90, 73, 0.5) 100%);
  z-index: 2;
}
.category-hero .hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 30px;
  align-items: center;
  padding-top: 52px;
  padding-bottom: 52px;
}
.hero-crumb {
  font-size: 13px;
  display: flex;
  gap: 6px;
  align-items: center;
  color: rgba(255,255,255,0.72);
  margin-bottom: 18px;
}
.hero-crumb a {
  transition: color .2s ease;
}
.hero-crumb a:hover {
  color: #fff;
}
.hero-crumb i {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  margin-bottom: 16px;
}
.hero-badge i {
  color: var(--accent);
  font-size: 10px;
}
.category-hero h1 {
  color: #fff;
  font-size: clamp(38px, 5vw, 54px);
  letter-spacing: 0.01em;
  line-height: 1.2;
  font-weight: 700;
}
.hero-visual-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 24px 60px rgba(6, 32, 27, 0.25);
  backdrop-filter: blur(6px);
}
.browser-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.browser-dots i {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
}
.browser-title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
.hero-feature-list {
  padding: 14px 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.78);
  font-size: 14px;
}
.hero-feature-list i {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,165,36,0.18);
  border-radius: 50%;
  color: var(--accent);
  font-size: 12px;
}
@media (max-width: 900px) {
  .category-hero .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 36px;
    padding-bottom: 36px;
  }
  .hero-visual-card {
    display: none;
  }
  .category-hero {
    min-height: 320px;
  }
}

/* Section base */
.section {
  padding: 72px 0 16px;
}
.section-alt {
  background: #fff;
  border-radius: 32px;
  box-shadow: var(--shadow-sm);
}
.section-heading {
  margin-bottom: 40px;
  max-width: 860px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-heading h2 {
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: .01em;
}
.section-heading p {
  margin-top: 14px;
  font-size: 16px;
  color: var(--text-weak);
  max-width: 72ch;
}

/* compare table */
.compare-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(16px, 3vw, 32px);
  margin-bottom: 20px;
  overflow: hidden;
}
.compare-scroll {
  overflow-x: auto;
}
.compare-table {
  width: 100%;
  min-width: 840px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.compare-table th,
.compare-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.compare-table thead th {
  background: #FBF9F5;
  font-weight: 600;
}
.compare-table .col-plan {
  color: var(--text);
}
.compare-table thead th.rec-col {
  background: var(--primary-light);
  position: relative;
}
.rec-tag {
  display: block;
  width: max-content;
  margin-bottom: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table td.rec-col {
  background: var(--primary-light);
}
.compare-item-label {
  font-weight: 600;
  color: var(--text);
}
.checked {
  color: var(--primary);
  font-weight: 700;
}
.unchecked {
  color: var(--danger);
}
.compare-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-weak);
  padding-left: 4px;
}
@media (max-width: 900px) {
  .compare-scroll::-webkit-scrollbar {
    height: 6px;
  }
  .compare-scroll::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 999px;
  }
}

/* Achievement timeline */
.steps-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 900px;
}
.steps-timeline::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--primary));
}
.timeline-item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px 24px 20px 74px;
  transition: all .22s ease;
}
.timeline-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(11,122,98,0.25);
}
.timeline-num {
  position: absolute;
  left: 0;
  top: 16px;
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--primary-light);
  letter-spacing: .04em;
}
.timeline-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}
.timeline-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
}
.timeline-tags {
  margin-top: 9px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-deep);
  font-weight: 500;
}
.tag-accent {
  background: var(--accent-soft);
  color: #8a5b00;
}
@media (max-width: 760px) {
  .steps-timeline {
    gap: 20px;
  }
  .timeline-item {
    padding-left: 70px;
  }
  .timeline-num {
    width: 48px;
    height: 48px;
    top: 14px;
    font-size: 14px;
    border-radius: 16px;
  }
}

/* Exclusive content preview */
.exclusive-area {
  background: #fff;
  border-radius: 28px;
  padding: clamp(28px, 4vw, 56px);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.content-showcase {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}
.showcase-main-card {
  background: #FBF9F5;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: all .25s ease;
}
.showcase-main-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(11,122,98,0.25);
}
.showcase-cover {
  position: relative;
  overflow: hidden;
  background: #EFEAE2;
}
.showcase-cover img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  transition: transform .4s ease;
}
.showcase-main-card:hover .showcase-cover img {
  transform: scale(1.04);
}
.lock-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 51, 43, 0.8);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 12px;
  padding: 5px 11px;
  border-radius: 999px;
}
.lock-badge i {
  color: var(--accent);
  font-size: 11px;
}
.showcase-body {
  padding: 20px 20px 24px;
}
.showcase-body .mini-tag {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}
.showcase-body h3 {
  font-size: 19px;
  margin-bottom: 8px;
  line-height: 1.5;
}
.showcase-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  margin-top: 10px;
  font-weight: 500;
  transition: gap .2s ease;
}
.text-link:hover {
  gap: 10px;
}
.showcase-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.side-card {
  display: flex;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  align-items: center;
  transition: all .22s ease;
}
.side-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(11,122,98,0.25);
}
.side-thumb {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  width: 128px;
  flex-shrink: 0;
}
.side-thumb img {
  height: 100px;
  object-fit: cover;
  width: 100%;
}
.side-card .mini-body {
  flex: 1;
  min-width: 0;
}
.side-card .mini-tag {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}
.side-card h4 {
  font-size: 15px;
  line-height: 1.5;
  margin-top: 5px;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lock-badge.small {
  font-size: 11px;
  padding: 3px 8px;
  top: 8px;
  right: 8px;
}
@media (max-width: 960px) {
  .content-showcase {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 520px) {
  .side-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .side-thumb {
    width: 100%;
  }
  .side-thumb img {
    height: 150px;
  }
}

/* process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.process-step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 22px;
  min-height: 220px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all .22s ease;
}
.process-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.process-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--primary-light);
  border-radius: 14px;
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 18px;
}
.process-step h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.8;
}
@media (max-width: 900px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ */
.faq-column {
  width: min(820px, 100%);
  margin: 0 auto;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}
.faq-item:hover {
  box-shadow: var(--shadow-sm);
}
.faq-item.open {
  box-shadow: var(--shadow-sm);
  border-color: rgba(11,122,98,0.35);
}
.faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  transition: color .2s ease;
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q i {
  transition: transform .25s ease;
  font-size: 13px;
  color: var(--primary);
  flex-shrink: 0;
}
.faq-item.open .faq-q i {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  color: var(--text-weak);
  line-height: 1.85;
  font-size: 14px;
  padding: 0 22px 0 22px;
}
.faq-item.open .faq-a {
  max-height: 600px;
  padding: 0 22px 22px 22px;
}

/* CTA band */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--primary-deep);
  border-radius: 28px;
  padding: clamp(38px, 6vw, 76px) clamp(26px, 4vw, 48px);
  text-align: center;
  color: #fff;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/assets/images/backpic/back-2.webp') no-repeat center / cover;
  opacity: .2;
  z-index: 0;
}
.cta-inner {
  position: relative;
  z-index: 2;
}
.cta-band h2 {
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.4;
  margin-bottom: 12px;
}
.cta-band .cta-sub {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  max-width: 580px;
  margin: 0 auto 30px;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-badges {
  margin-top: 20px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-badges span {
  color: rgba(255,255,255,0.8);
  font-size: 12px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.cta-badges i {
  color: var(--accent);
}

/* Utilities */
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.spacer-72 { height: 72px; }

/* Main content layout */
.main-content {
  padding-bottom: 24px;
}
.section-gap {
  padding-top: 72px;
}
@media (max-width: 800px) {
  .section {
    padding-top: 54px;
  }
  .section-heading {
    margin-bottom: 28px;
  }
  .compare-wrap {
    padding: 16px;
  }
}

/* roulang page: article */
:root {
  --primary: #0B7A62;
  --primary-dark: #075A49;
  --primary-light: #E4F2EE;
  --accent: #F5A524;
  --rust: #E45B47;
  --bg: #F7F4EE;
  --card: #FFFFFF;
  --text: #21302B;
  --text-light: #5F6F67;
  --border: #DCE5DF;
  --dark-bg: #0A332B;
  --dark-bg-2: #075A49;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(20, 40, 30, .05);
  --shadow-md: 0 12px 32px rgba(20, 40, 30, .08);
  --shadow-lg: 0 20px 48px rgba(20, 40, 30, .10);
  --container: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-dark); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

.container {
  width: min(var(--container), 100% - 32px);
  margin-inline: auto;
}

section { display: block; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn i { font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(11, 122, 98, .16); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11, 122, 98, .2); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(11, 122, 98, .16); }
.btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-secondary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(0); }
.btn-ghost { background: rgba(255, 255, 255, .7); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: #fff; color: var(--primary-dark); border-color: var(--primary); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #21302B; }
.btn-accent:hover { background: #df920f; color: #21302B; transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .65); }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; transform: translateY(-2px); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 238, .86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transition: box-shadow .25s ease, border-color .25s ease, background .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(247, 244, 238, .96);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-container {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: var(--container);
  margin-inline: auto;
  height: 72px;
  padding: 0 20px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}
.logo-main {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .4px;
  color: var(--text);
}
.logo-sub {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: .2px;
}
.nav-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-width: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  display: inline-block;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(11, 122, 98, .14);
}
.nav-status { display: flex; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-light);
  background: var(--card);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.status-badge i.status-dot { font-size: 8px; color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  color: var(--text);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: var(--card);
}
.nav-toggle:hover { color: var(--primary); border-color: var(--primary); }

/* article banner */
.article-banner {
  position: relative;
  overflow: hidden;
  padding: 128px 0 96px;
  background: linear-gradient(180deg, rgba(247, 244, 238, .95), rgba(247, 244, 238, .9)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
}
.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#dbe5df 1.4px, transparent 1.4px);
  background-size: 24px 24px;
  opacity: .55;
  pointer-events: none;
}
.article-banner::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -40px;
  bottom: -80px;
  background: radial-gradient(circle, rgba(245, 165, 36, .16) 0%, transparent 70%);
  pointer-events: none;
}
.article-head {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 11px; color: #aab8b1; }
.breadcrumb .crumb-now {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-title {
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: .5px;
}
.article-title-missing { font-size: clamp(28px, 4vw, 42px); color: var(--text); font-weight: 700; }
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}
.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .86);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 13px;
  box-shadow: var(--shadow-sm);
}
.article-meta .meta-item i { color: var(--primary); font-size: 11px; }

/* article main */
.article-main {
  position: relative;
  z-index: 3;
  margin-top: -48px;
  padding: 0 0 90px;
}
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(28px, 4.6vw, 66px);
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}
.article-body > * + * { margin-top: 1.4em; }
.article-body h2 {
  font-size: 25px;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 1.8em;
  color: var(--text);
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.6;
  margin-top: 1.6em;
  color: var(--text);
}
.article-body p { margin: 1.25em 0; }
.article-body strong { color: #173a30; }
.article-body ul { list-style: none; padding-left: 4px; margin: 1.25em 0; }
.article-body ul li { position: relative; padding-left: 24px; margin: 10px 0; }
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}
.article-body ol { list-style: decimal; padding-left: 24px; margin: 1.25em 0; }
.article-body ol li { padding-left: 6px; margin: 8px 0; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  color: var(--text);
}
.article-body blockquote p { margin: 0; }
.article-body img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 26px auto;
  box-shadow: var(--shadow-sm);
}
.article-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 14px;
}
.article-body table th,
.article-body table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  white-space: nowrap;
  background: #fff;
}
.article-body table th {
  background: var(--primary-light);
  color: var(--text);
  font-weight: 600;
  text-align: left;
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}
.article-body code {
  background: var(--primary-light);
  padding: 2px 8px;
  color: var(--primary-dark);
  border-radius: 6px;
  font-size: .92em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* article end area */
.article-end {
  max-width: 760px;
  margin: 46px auto 0;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--primary-light);
  border: 1px solid rgba(11, 122, 98, .16);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 500;
}
.tag-badge i { font-size: 11px; }
.article-return { display: inline-flex; }

/* empty state */
.article-empty {
  max-width: 860px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  padding: 72px 32px;
}
.article-empty .empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 30px;
}
.article-empty h2 { font-size: 24px; margin: 0 0 8px; color: var(--text); }
.article-empty p { color: var(--text-light); margin: 0 0 26px; }

/* related section */
.related-section { background: var(--bg); padding: 28px 0 88px; }
.section-head {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(26px, 2.5vw, 32px);
  color: var(--text);
  font-weight: 700;
  line-height: 1.4;
}
.section-head p {
  color: var(--text-light);
  margin-top: 10px;
  font-size: 15px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(20, 40, 30, .04);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 122, 98, .35);
  color: inherit;
}
.related-card:hover .related-card-title { color: var(--primary); }
.related-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--primary-light);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .92);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.related-body {
  padding: 18px;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 8px;
}
.related-kicker {
  font-size: 12px;
  letter-spacing: .6px;
  color: var(--accent);
  font-weight: 600;
}
.related-card-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color .2s ease;
}
.related-body p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.75;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-more {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  padding-top: 10px;
}
.related-more i { font-size: 11px; transition: transform .2s; }
.related-card:hover .related-more i { transform: translateX(4px); }

/* cta banner */
.cta-section { padding: 88px 0; background: var(--bg); }
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 68px);
  border-radius: 28px;
  background: linear-gradient(110deg, rgba(10, 51, 43, .98) 0%, rgba(7, 90, 73, .94) 100%), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  flex-wrap: wrap;
}
.cta-panel::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  top: -140px;
  border-radius: 50%;
  background: rgba(245, 165, 36, .18);
  filter: blur(2px);
  pointer-events: none;
}
.cta-panel::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: 120px;
  bottom: -50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 2; max-width: 640px; }
.cta-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 1px;
  color: #ffd78c;
  margin-bottom: 14px;
}
.cta-kicker i { font-size: 11px; }
.cta-panel h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.45;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px;
}
.cta-panel p {
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
  line-height: 1.85;
  max-width: 58ch;
  margin: 0;
}
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

/* footer */
.main-footer {
  background: var(--dark-bg);
  color: #b7ccc2;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo .logo-main { color: #fff; }
.footer-brand .logo .logo-sub { color: #89a398; }
.footer-about {
  color: #90aaa0;
  font-size: 14px;
  line-height: 1.8;
  max-width: 34ch;
  margin-top: 12px;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #93aea3;
  font-size: 14px;
  transition: color .2s ease;
}
.footer-links a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .24);
  flex-shrink: 0;
  transition: background .2s;
}
.footer-links a:hover { color: #fff; }
.footer-links a:hover::before { background: var(--accent); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: #93aea3;
  font-size: 14px;
}
.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i { color: var(--accent); width: 14px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #769287;
}
.footer-bottom-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-bottom-links a { color: #769287; font-size: 13px; }
.footer-bottom-links a:hover { color: #fff; }
.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, .07);
  padding: 18px 0 26px;
  color: #66887b;
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}

/* responsive */
@media (max-width: 1024px) {
  .nav-status { display: none; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .article-banner { padding: 112px 0 84px; }
  .article-main { margin-top: -36px; }
  .cta-panel { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 768px) {
  .nav-container { height: 64px; gap: 8px; }
  .logo-main { font-size: 18px; }
  .nav-toggle { display: inline-flex; }
  .nav-main {
    position: fixed;
    top: 64px;
    left: 12px;
    right: 12px;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, .98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .nav-main.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-links { flex-direction: column; align-items: stretch; gap: 4px; margin: 0 0 14px; }
  .nav-links a { display: block; width: 100%; border-radius: 12px; padding: 12px 16px; text-align: left; }
  .nav-links a:hover { background: var(--primary-light); }
  .nav-links a.active { background: var(--primary-light); color: var(--primary); }
  .nav-status { display: block; border-top: 1px dashed var(--border); padding-top: 14px; }
  .nav-cta-text { display: none; }
  .nav-actions .btn { width: 42px; padding: 0; }
  .nav-actions .btn i { margin: 0; font-size: 15px; }
  .article-banner { padding: 100px 0 70px; }
  .article-main { padding-bottom: 64px; }
  .article-card { padding: 26px 18px 30px; border-radius: 18px; }
  .article-body { font-size: 16px; line-height: 1.85; }
  .article-body h2 { font-size: 21px; }
  .article-body h3 { font-size: 17px; }
  .related-section { padding-bottom: 56px; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cta-section { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .article-main { margin-top: -24px; }
  .article-meta .meta-item { font-size: 12px; padding: 6px 10px; }
  .article-meta .meta-item i { font-size: 10px; }
  .article-empty { padding: 48px 18px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-end { flex-direction: column; align-items: flex-start; }
  .article-return .btn { flex: 1; }
  .article-return { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding-bottom: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-panel { padding: 30px 22px; border-radius: 22px; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category2 */
:root {
  --primary: #0B7A62;
  --primary-deep: #075A49;
  --primary-dark: #063F35;
  --primary-light: #E4F2EE;
  --amber: #F5A524;
  --amber-light: #FFF4DC;
  --accent: #E45B47;
  --accent-light: #FDEAE6;
  --bg: #F7F4EE;
  --card: #FFFFFF;
  --text: #21302B;
  --muted: #5F6F67;
  --border: #DCE5DF;
  --line-dark: #1E4F43;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(24, 57, 50, 0.04), 0 6px 18px rgba(24, 57, 50, 0.04);
  --shadow-md: 0 4px 12px rgba(24, 57, 50, 0.06), 0 16px 36px rgba(24, 57, 50, 0.06);
  --shadow-lg: 0 12px 30px rgba(24, 57, 50, 0.10);
  --space-section: 96px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", 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);
  line-height: 1.72;
  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 0.2s ease;
}
a:hover {
  color: var(--primary-deep);
}
ul,
ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input,
textarea {
  font-family: inherit;
}
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: var(--space-section) 0;
}
.section-tight {
  padding: 64px 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}
.section-head {
  max-width: 820px;
  margin-bottom: 44px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1.25;
  margin: 18px 0 12px;
  font-weight: 700;
  color: var(--text);
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 76px;
  background: rgba(247, 244, 238, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 229, 223, 0.8);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled {
  box-shadow: 0 8px 28px rgba(24, 57, 50, 0.07);
}
.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1;
  flex-shrink: 0;
}
.logo-main {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  transition: color 0.2s ease;
}
.logo-sub {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.logo:hover .logo-main {
  color: var(--primary);
}
.nav-main {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s ease;
  position: relative;
}
.nav-links li a:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-links li a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 14px;
  border-left: 1px solid var(--border);
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: all 0.22s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 16px rgba(11, 122, 98, 0.18);
}
.btn-primary:hover {
  background: var(--primary-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(11, 122, 98, 0.22);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary-deep);
}
.btn-light:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
  transform: translateY(-2px);
}
.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.nav-toggle:hover {
  background: var(--primary);
  color: #fff;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}
@media (max-width: 1024px) {
  .nav-main {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 24px 24px;
    display: none;
    box-shadow: 0 24px 42px rgba(24, 57, 50, 0.08);
  }
  .nav-main.open {
    display: flex;
  }
  .nav-links {
    flex-direction: column;
    gap: 6px;
    width: 100%;
  }
  .nav-links li a {
    width: 100%;
    justify-content: flex-start;
  }
  .nav-status {
    margin-top: 14px;
    padding-left: 0;
    padding-top: 14px;
    border-left: 0;
    border-top: 1px solid var(--border);
  }
  .nav-actions .btn-primary {
    width: 44px;
    height: 44px;
    padding: 0;
    font-size: 0;
    justify-content: center;
  }
  .nav-actions .btn-primary i {
    font-size: 16px;
  }
  .nav-actions .btn-primary .nav-cta-text {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
}
@media (max-width: 560px) {
  .logo-main {
    font-size: 20px;
  }
  .logo-sub {
    font-size: 10px;
  }
  .nav-container {
    padding: 0 16px;
  }
}

/* Hero */
.page-hero {
  position: relative;
  padding: 92px 0 96px;
  overflow: hidden;
  background-image: linear-gradient(rgba(247, 244, 238, 0.90), rgba(247, 244, 238, 0.94)), url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
}
.page-hero:before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  right: -120px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11, 122, 98, 0.06), transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero-copy .eyebrow {
  background: var(--amber-light);
  color: #A55E05;
}
.hero-copy h1 {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.2;
  color: var(--text);
  font-weight: 700;
  margin: 22px 0 18px;
}
.hero-copy h1 span {
  color: var(--primary);
}
.hero-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.9;
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
  flex-wrap: wrap;
}
.hero-note-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-note-item i {
  color: var(--primary);
}
.mock-browser {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 0 0 20px;
  overflow: hidden;
  animation: floatUp 0.7s ease both;
}
@keyframes floatUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F1F0EC;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.mock-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #DDD9D1;
}
.mock-dot:nth-child(1) {
  background: var(--accent);
  opacity: 0.65;
}
.mock-dot:nth-child(2) {
  background: var(--amber);
  opacity: 0.75;
}
.mock-dot:nth-child(3) {
  background: var(--primary);
  opacity: 0.65;
}
.mock-title {
  margin-left: 10px;
  flex: 1;
  font-size: 12px;
  color: var(--muted);
  background: #FFF;
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-body {
  padding: 20px 20px 6px;
}
.mock-row {
  background: var(--bg);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
  border: 1px solid #F0EDE6;
}
.mock-row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.mock-row-title {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.mini-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.mock-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
}
.inline-progress {
  height: 5px;
  background: var(--border);
  border-radius: 10px;
  margin-top: 8px;
  overflow: hidden;
}
.inline-progress span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 10px;
  width: 68%;
}
@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .mock-browser {
    max-width: 560px;
  }
  .page-hero {
    padding: 60px 0 70px;
  }
}

/* Info strip */
.info-strip {
  background: var(--primary-deep);
  color: #EAF4F0;
  padding: 0;
}
.info-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 24px;
  flex-wrap: wrap;
  min-height: 56px;
}
.info-strip-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.info-strip-left i {
  color: var(--amber);
  font-size: 18px;
}
.info-strip-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #C5DCD5;
  flex-wrap: wrap;
}
.info-strip-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

/* Activity showcase */
.activity-showcase {
  background: var(--bg);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.showcase-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.showcase-card .cover-wrap {
  aspect-ratio: 16 / 8.2;
  overflow: hidden;
  position: relative;
}
.showcase-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-tag {
  position: absolute;
  left: 16px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}
.card-tag.limited {
  background: var(--amber);
  color: #694400;
}
.card-tag.daily {
  background: var(--primary-light);
  color: var(--primary-deep);
}
.showcase-body {
  padding: 26px 28px 28px;
}
.showcase-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.showcase-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 18px;
}
.showcase-body .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
  transition: gap 0.2s ease;
}
.showcase-body .link-arrow:hover {
  gap: 14px;
}
@media (max-width: 900px) {
  .showcase-grid {
    grid-template-columns: 1fr;
  }
}

/* Process */
.process-section {
  background: #F2EFE8;
}
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.process-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: all 0.25s ease;
}
.process-item:hover {
  background: #fff;
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.process-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
  font-family: "SF Mono", "Cascadia Mono", monospace;
  margin-bottom: 6px;
  display: block;
}
.process-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.process-title i {
  color: var(--primary);
  font-size: 18px;
}
.process-title strong {
  font-size: 17px;
  font-weight: 700;
}
.process-item p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
@media (max-width: 1000px) {
  .process-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .process-list {
    grid-template-columns: 1fr;
  }
}

/* Scene section */
.scene-section {
  background: var(--bg);
}
.scene-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
}
.scene-main {
  background: var(--card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
}
.scene-main-img {
  height: 100%;
  min-height: 250px;
}
.scene-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scene-main-content {
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.scene-main-content .tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}
.scene-main-content .tagline i {
  font-size: 16px;
}
.scene-main-content h3 {
  font-size: 19px;
  line-height: 1.6;
  margin-bottom: 10px;
}
.scene-main-content p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.scene-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.scene-card {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all 0.2s ease;
}
.scene-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.scene-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.scene-icon.amber {
  background: var(--amber-light);
  color: #A95D00;
}
.scene-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.scene-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}
@media (max-width: 1024px) {
  .scene-layout {
    grid-template-columns: 1fr;
  }
  .scene-main {
    grid-template-columns: 1fr;
  }
  .scene-main-img {
    max-height: 300px;
  }
}

/* Keyword tags */
.tag-wrap-section {
  background: #F2EFE8;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tag-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 10px 20px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: default;
}
.tag-item i {
  color: var(--primary);
}
.tag-item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-deep);
}
.split-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}
.split-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 240px;
}
.split-copy h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
  margin-bottom: 16px;
}
.split-copy p {
  color: var(--muted);
  line-height: 1.9;
}
.split-copy .mini-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.split-copy .mini-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
}
.split-copy .mini-list i {
  color: var(--primary);
  line-height: 1.5;
  margin-top: 3px;
}
@media (max-width: 960px) {
  .split-layout {
    grid-template-columns: 1fr;
  }
}

/* CTA */
.cta-section {
  background-color: var(--primary-deep);
  background-image: linear-gradient(rgba(7, 90, 73, 0.9), rgba(7, 90, 73, 0.92)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 88px 0;
  color: #fff;
  text-align: center;
}
.cta-inner {
  max-width: 760px;
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(27px, 3.4vw, 42px);
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  margin-bottom: 22px;
}
.cta-badge i {
  color: var(--amber);
}
@media (max-width: 600px) {
  .cta-section {
    background-attachment: scroll;
  }
}

/* FAQ */
.faq-section {
  background: var(--bg);
}
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}
.faq-heading {
  text-align: center;
  margin-bottom: 44px;
}
.faq-heading h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 10px;
}
.faq-heading p {
  color: var(--muted);
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item[open] {
  border-color: rgba(11, 122, 98, 0.45);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item summary .faq-arrow {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.25s ease;
  background: var(--primary-light);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-item[open] summary .faq-arrow {
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.9;
  font-size: 15px;
}

/* Footer */
.main-footer {
  background: var(--primary-deep);
  color: #C9E4DC;
  font-size: 14px;
  position: relative;
}
.main-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
  gap: 44px;
  padding: 60px 0 40px;
}
.footer-brand .logo .logo-main {
  color: #fff;
  font-size: 22px;
}
.footer-brand .logo .logo-sub {
  color: rgba(255, 255, 255, 0.55);
}
.footer-brand .logo:hover .logo-main {
  color: var(--amber);
}
.footer-about {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  line-height: 1.85;
  max-width: 320px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.72);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-links a:hover {
  color: #fff;
  transform: translateX(4px);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
}
.footer-contact i {
  color: var(--amber);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom-links a:hover {
  color: #fff;
}
@media (max-width: 1024px) {
  .main-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .main-footer .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

/* Back top */
.back-top {
  position: fixed;
  right: 18px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 50;
}
.back-top:hover {
  background: var(--primary-deep);
  color: #fff;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.breadcrumb {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--muted);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb i {
  font-size: 10px;
  margin: 0 8px;
  color: var(--border);
}
@media (max-width: 560px) {
  :root {
    --space-section: 56px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .showcase-body {
    padding: 20px 18px 22px;
  }
  .process-item {
    padding: 22px 18px;
  }
  .hero-copy h1 {
    font-size: 32px;
  }
}