/* roulang page: index */
:root {
    --bg-body: #070C12;
    --bg-card: #0F161E;
    --bg-card-hover: #16202B;
    --bg-overlay: #18232F;
    --brand-primary: #00E5A0;
    --brand-primary-glow: rgba(0, 229, 160, 0.35);
    --brand-accent: #FF7A45;
    --brand-accent-glow: rgba(255, 122, 69, 0.3);
    --brand-gradient: 135deg, #00E5A0 0%, #00A8E0 50%, #2563EB 100%;
    --brand-gradient-warm: 135deg, #FF7A45 0%, #FFB347 100%;
    --brand-gradient-btn: 90deg, #00E5A0 0%, #00A8E0 100%;
    --text-main: #F2F7F5;
    --text-secondary: #A6B2BC;
    --text-helper: #5E6A75;
    --border-color: #24303B;
    --radius-card: 18px;
    --radius-btn: 12px;
    --radius-pill: 999px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.28);
    --shadow-card-hover: 0 8px 40px rgba(0,229,160,0.12);
    --transition: all .25s cubic-bezier(.4,0,.2,1);
    --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    --font-num: "Rajdhani", "DIN Alternate", "Bahnschrift", sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-main);
    background-color: var(--bg-body);
    background-image: 
        radial-gradient(ellipse 60% 40% at 80% 0%, rgba(0,229,160,0.06) 0%, transparent 100%),
        radial-gradient(ellipse 40% 30% at 20% 100%, rgba(37,99,235,0.05) 0%, transparent 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--brand-primary); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; border-radius: 4px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 36px; font-weight: 700; line-height: 1.25; color: var(--text-main); letter-spacing: -0.5px; }
.section-header p { font-size: 16px; color: var(--text-secondary); max-width: 640px; margin: 12px auto 0; }

/* ===== Header & Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(7, 12, 18, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1000;
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--brand-primary), transparent) 1;
    height: 72px;
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--brand-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-weight: 800;
    font-size: 18px;
    color: #070C12;
    box-shadow: 0 0 20px rgba(0,229,160,0.3);
}
.brand-text { font-size: 20px; font-weight: 700; color: var(--text-main); letter-spacing: 0.02em; }
.brand-text span { color: var(--brand-primary); text-shadow: 0 0 16px rgba(0,229,160,0.4); }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a {
    display: inline-block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}
.nav-menu a:hover { color: var(--text-main); text-shadow: 0 0 12px rgba(0,229,160,0.4); }
.nav-menu a.active { color: var(--brand-primary); font-weight: 600; text-shadow: 0 0 16px rgba(0,229,160,0.5); }
.nav-menu a.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--brand-primary);
    border-radius: 3px;
    box-shadow: 0 0 10px var(--brand-primary);
}
.header-cta { display: flex; align-items: center; gap: 12px; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-gradient-btn);
    color: #070C12;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: var(--radius-btn);
    border: none;
    cursor: pointer;
    font-size: 15px;
    line-height: 1.4;
    transition: var(--transition);
    box-shadow: 0 2px 12px rgba(0,229,160,0.25);
}
.btn-primary:hover {
    color: #070C12;
    box-shadow: 0 0 24px rgba(0,229,160,0.4);
    transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 0 12px rgba(0,229,160,0.3); }
.btn-primary i { font-size: 14px; }
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
    font-size: 20px;
    transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 720px;
    display: flex;
    align-items: center;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7,12,18,0.95) 0%, rgba(7,12,18,0.75) 45%, rgba(7,12,18,0.3) 100%);
}
.hero::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 120px;
    background: linear-gradient(180deg, transparent 0%, rgba(7,12,18,0.6) 100%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 6fr 5fr; gap: 60px; align-items: center; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 229, 160, 0.1);
    border: 1px solid rgba(0, 229, 160, 0.25);
    border-radius: var(--radius-pill);
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--brand-primary);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}
.hero-badge i { font-size: 12px; }
.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero h1 .brand-gradient {
    background: linear-gradient(135deg, #00E5A0 0%, #00A8E0 60%, #2563EB 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0,229,160,0.15);
}
.hero-sub {
    font-size: 18px;
    line-height: 1.75;
    color: rgba(242, 247, 245, 0.8);
    max-width: 500px;
    margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-btn);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    min-height: 52px;
}
.btn-hero-primary {
    background: var(--brand-gradient-btn);
    color: #070C12;
    box-shadow: 0 4px 24px rgba(0,229,160,0.3);
}
.btn-hero-primary:hover {
    box-shadow: 0 4px 36px rgba(0,229,160,0.5);
    transform: translateY(-2px);
    color: #070C12;
}
.btn-hero-primary:active { transform: translateY(0); }
.btn-hero-secondary {
    background: transparent;
    color: var(--brand-primary);
    border: 1.5px solid var(--brand-primary);
    box-shadow: none;
}
.btn-hero-secondary:hover {
    background: rgba(0,229,160,0.1);
    color: var(--brand-primary);
    transform: translateY(-2px);
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 620px;
}
.stat-badge {
    background: rgba(15, 22, 30, 0.7);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.stat-badge::after {
    content: "";
    position: absolute;
    bottom: 0; left: 30%; right: 30%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
    border-radius: 2px;
}
.stat-badge:hover { border-color: rgba(0,229,160,0.2); transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.stat-number {
    font-family: var(--font-num);
    font-size: 36px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #00E5A0 0%, #00A8E0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 4px;
}
.stat-label { font-size: 13px; color: var(--text-secondary); }
.hero-visual { position: relative; }
.hero-visual-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 60px rgba(0,229,160,0.1);
    border: 1px solid rgba(255,255,255,0.08);
}
.hero-visual-card img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.hero-visual-float {
    position: absolute;
    bottom: -20px;
    left: -24px;
    background: rgba(15,22,30,0.9);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid rgba(0,229,160,0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    animation: floatY 3s ease-in-out infinite;
}
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-visual-float i { font-size: 28px; color: var(--brand-primary); }
.hero-visual-float strong { display: block; font-size: 16px; line-height: 1.3; }
.hero-visual-float span { font-size: 13px; color: var(--text-secondary); }

/* ===== Pain Points ===== */
.pain-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 32px; }
.pain-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.pain-card:first-child { grid-column: 1; grid-row: 1; }
.pain-card:nth-child(2) { grid-column: 1; grid-row: 2; }
.pain-card:nth-child(3) { grid-column: 2; grid-row: 1 / span 2; }
.pain-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0,229,160,0.2);
}
.pain-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(0,229,160,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--brand-primary);
    margin-bottom: 20px;
    transition: var(--transition);
}
.pain-card:hover .pain-icon { background: rgba(0,229,160,0.2); transform: scale(1.05); }
.pain-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--text-main); }
.pain-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
.pain-arrow {
    position: absolute; bottom: 20px; right: 24px;
    font-size: 20px; color: var(--text-helper);
    transition: var(--transition);
    opacity: 0.6;
}
.pain-card:hover .pain-arrow { color: var(--brand-primary); transform: translateX(6px); opacity: 1; }

/* ===== Solution ===== */
.solution-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 80px;
}
.solution-row:last-child { margin-bottom: 0; }
.solution-row.reverse .solution-media { order: 2; }
.solution-row.reverse .solution-content { order: 1; }
.solution-media {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 16px 48px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.06);
}
.solution-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: var(--transition); }
.solution-media:hover img { transform: scale(1.03); }
.solution-media::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(7,12,18,0.6) 100%);
    pointer-events: none;
}
.solution-content h3 { font-size: 28px; font-weight: 700; color: var(--text-main); line-height: 1.35; margin-bottom: 16px; }
.solution-content > p { font-size: 16px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.8; }
.points-list { display: grid; gap: 16px; margin-bottom: 28px; }
.points-list li { display: flex; gap: 14px; align-items: flex-start; }
.points-list li i {
    width: 24px; height: 24px;
    background: rgba(0,229,160,0.15);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; color: var(--brand-primary);
    margin-top: 2px; flex-shrink: 0;
}
.points-list li span { font-size: 15px; color: var(--text-main); line-height: 1.7; }
.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-primary);
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}
.solution-link:hover { border-bottom-color: var(--brand-primary); text-shadow: 0 0 12px rgba(0,229,160,0.3); }

/* ===== Result / Achievements ===== */
.results-section {
    position: relative;
    background: linear-gradient(180deg, #0A1018 0%, #070C12 100%);
    border-top: 4px solid;
    border-image: linear-gradient(90deg, var(--brand-primary), var(--brand-accent)) 1;
    overflow: hidden;
}
.results-section::before {
    content: "";
    position: absolute; inset: 0;
    background-image: 
        linear-gradient(rgba(0,229,160,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,229,160,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.results-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.result-card {
    background: rgba(15, 22, 30, 0.65);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-card);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}
.result-card:hover { transform: translateY(-4px); border-color: rgba(0,229,160,0.2); box-shadow: var(--shadow-card-hover); }
.result-number {
    font-family: var(--font-num);
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}
.result-label { font-size: 14px; color: var(--text-secondary); font-weight: 500; }

/* ===== Testimonials ===== */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
    background: rgba(15,22,30,0.7);
    backdrop-filter: blur(6px);
    border-radius: var(--radius-card);
    padding: 28px;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    position: relative;
}
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: rgba(255,122,69,0.2); }
.testi-stars { display: flex; gap: 4px; color: var(--brand-accent); font-size: 14px; margin-bottom: 16px; }
.testi-text { font-size: 15px; color: var(--text-main); line-height: 1.75; margin-bottom: 20px; position: relative; padding-left: 16px; }
.testi-text::before {
    content: "\201C";
    position: absolute; left: 0; top: -8px;
    font-size: 32px; color: var(--brand-primary); opacity: 0.4;
    font-family: Georgia, serif;
}
.testi-user { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(0,229,160,0.3);
    flex-shrink: 0;
}
.testi-avatar img { width: 100%; height: 100%; object-fit: cover; }
.testi-user strong { display: block; font-size: 14px; color: var(--text-main); font-weight: 600; }
.testi-user span { font-size: 13px; color: var(--text-helper); }

/* ===== FAQ ===== */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid rgba(255,255,255,0.05);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: rgba(0,229,160,0.2); transform: translateY(-2px); }
.faq-item.active { background: var(--bg-overlay); border-color: rgba(0,229,160,0.3); }
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
}
.faq-item.active .faq-q { color: var(--brand-primary); }
.faq-icon {
    width: 28px; height: 28px;
    border-radius: 8px;
    background: rgba(0,229,160,0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; color: var(--brand-primary);
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: rgba(0,229,160,0.2); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(.4,0,.2,1);
}
.faq-item.active .faq-a { max-height: 300px; }
.faq-a-inner {
    padding: 0 24px 22px;
    position: relative;
}
.faq-a-inner::before {
    content: "";
    position: absolute;
    left: 24px; top: 0; bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--brand-primary), var(--brand-accent));
    border-radius: 2px;
    opacity: 0.5;
}
.faq-a-inner p {
    padding-left: 16px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ===== CTA Section ===== */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, #00E5A0 0%, #00A8E0 50%, #2563EB 100%);
    padding: 80px 0;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute; inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 30%);
    pointer-events: none;
}
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.cta-text h2 { font-size: 36px; font-weight: 800; color: #070C12; line-height: 1.25; margin-bottom: 16px; }
.cta-text p { font-size: 17px; color: rgba(7,12,18,0.8); line-height: 1.7; margin-bottom: 28px; max-width: 440px; }
.cta-text .btn-hero-primary { background: #070C12; color: #00E5A0; box-shadow: 0 4px 24px rgba(0,0,0,0.25); }
.cta-text .btn-hero-primary:hover { box-shadow: 0 4px 32px rgba(0,0,0,0.4); transform: translateY(-2px); color: #00E5A0; }
.cta-form-card {
    background: rgba(15, 22, 30, 0.7);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.cta-form-card h3 { font-size: 22px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.cta-form-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.form-group input,
.form-group select {
    width: 100%;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 15px;
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(0,229,160,0.15);
    outline: none;
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A6B2BC' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; cursor: pointer; }
.form-group input::placeholder { color: var(--text-helper); }
.form-submit { width: 100%; margin-top: 8px; justify-content: center; }
.form-note { font-size: 12px; color: var(--text-helper); text-align: center; margin-top: 12px; }

/* ===== Latest News ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: rgba(0,229,160,0.2); }
.news-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-tag {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(0,229,160,0.85);
    color: #070C12;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    z-index: 2;
    backdrop-filter: blur(4px);
}
.news-body { padding: 20px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { font-size: 13px; color: var(--text-helper); display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.news-body h3 { font-size: 18px; font-weight: 600; color: var(--text-main); line-height: 1.4; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.news-link { margin-top: auto; font-size: 14px; font-weight: 600; color: var(--brand-primary); display: inline-flex; align-items: center; gap: 6px; }
.news-link i { font-size: 12px; transition: transform 0.25s cubic-bezier(.4,0,.2,1); }
.news-link:hover i { transform: translateX(4px); }
.news-empty {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    padding: 60px 40px;
    text-align: center;
    border: 1px dashed var(--border-color);
    grid-column: 1 / -1;
}
.news-empty i { font-size: 44px; color: var(--text-helper); margin-bottom: 16px; display: inline-block; }
.news-empty p { font-size: 16px; color: var(--text-secondary); }

/* ===== Footer ===== */
.site-footer {
    background: #05080C;
    border-top: 2px solid;
    border-image: linear-gradient(90deg, transparent, var(--brand-primary), transparent) 1;
    padding: 64px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); margin-top: 12px; line-height: 1.7; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--text-main); margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 8px; }
.footer-col ul a { font-size: 14px; color: var(--text-secondary); transition: var(--transition); }
.footer-col ul a:hover { color: var(--brand-primary); padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--text-helper); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--bg-card);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; color: var(--text-secondary);
    transition: var(--transition);
    border: 1px solid transparent;
}
.footer-social a:hover { color: var(--brand-primary); border-color: rgba(0,229,160,0.3); box-shadow: 0 0 16px rgba(0,229,160,0.2); }

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero { padding: 130px 0 80px; }
    .hero h1 { font-size: 42px; }
    .hero-visual { max-width: 560px; }
    .solution-row { gap: 40px; }
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .testi-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media screen and (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0; right: 0;
        background: rgba(7,12,18,0.97);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        transform: translateX(100%);
        transition: transform .3s cubic-bezier(.4,0,.2,1);
        border-bottom: 2px solid var(--brand-primary);
        z-index: 999;
    }
    .nav-menu.open { transform: translateX(0); }
    .nav-menu a { padding: 14px 16px; font-size: 17px; width: 100%; border-radius: 10px; }
    .nav-menu a:hover { background: rgba(0,229,160,0.08); }
    .nav-menu a.active::after { display: none; }
    .nav-menu a.active { background: rgba(0,229,160,0.1); }
    .header-cta .btn-primary span { display: none; }
    .header-cta .btn-primary { padding: 10px 14px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-visual-float { left: 12px; bottom: -16px; }
    .section { padding: 64px 0; }
    .pain-grid { grid-template-columns: 1fr; }
    .pain-card:first-child, .pain-card:nth-child(2), .pain-card:nth-child(3) { grid-column: auto; grid-row: auto; }
    .solution-row, .solution-row.reverse { grid-template-columns: 1fr; }
    .solution-row.reverse .solution-media { order: 0; }
    .solution-row.reverse .solution-content { order: 0; }
    .faq-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 30px; }
}

@media screen and (max-width: 640px) {
    .container { padding: 0 20px; }
    .hero { padding: 120px 0 64px; background-attachment: scroll; min-height: auto; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 16px; }
    .hero-actions { flex-direction: column; }
    .btn-hero { width: 100%; justify-content: center; }
    .testi-grid, .news-grid { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .result-number { font-size: 36px; }
    .cta-form-card { padding: 24px 20px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .section { padding: 48px 0; }
    .section-header { margin-bottom: 40px; }
    .stat-number { font-size: 30px; }
    .stat-badge { padding: 14px 10px; }
    .faq-a-inner p { font-size: 14px; }
    .testi-card { padding: 22px; }
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --bg-page: #070C12;
            --bg-card: #0F161E;
            --bg-card-hover: #16202B;
            --bg-overlay: #18232F;
            --primary: #00E5A0;
            --primary-glow: rgba(0, 229, 160, 0.35);
            --accent: #FF7A45;
            --accent-glow: rgba(255, 122, 69, 0.3);
            --text-main: #F2F7F5;
            --text-secondary: #A6B2BC;
            --text-helper: #5E6A75;
            --border-color: #24303B;
            --gradient-brand: 135deg, #00E5A0, #00A8E0, #2563EB;
            --gradient-warm: 135deg, #FF7A45, #FFB347;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-tag: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 8px 40px rgba(0, 229, 160, 0.12);
            --transition: all .25s cubic-bezier(.4, 0, .2, 1);
            --font-num: 'Rajdhani', 'DIN Alternate', 'Bahnschrift', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans CJK SC', sans-serif;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ============ 容器 ============ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 顶部导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(7, 12, 18, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 72px;
        }
        .site-header::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.7;
            pointer-events: none;
        }
        .header-inner {
            max-width: 1200px;
            height: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #00A8E0);
            border-radius: 10px;
            color: #070C12;
            font-size: 18px;
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.25);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-text span {
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            display: block;
            margin-top: -2px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            position: relative;
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            color: var(--text-main);
            text-shadow: 0 0 12px rgba(0, 229, 160, 0.3);
        }
        .nav-menu a.active {
            color: var(--primary);
            text-shadow: 0 0 16px rgba(0, 229, 160, 0.45);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px var(--primary);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            background: linear-gradient(90deg, #00E5A0, #00A8E0);
            color: #070C12;
            font-size: 14px;
            font-weight: 700;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
            text-decoration: none;
        }
        .btn-primary:hover {
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.4);
            transform: translateY(-2px);
            color: #070C12;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            border: 1.5px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-ghost:hover {
            background: rgba(0, 229, 160, 0.08);
            box-shadow: 0 0 18px rgba(0, 229, 160, 0.15);
            color: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 22px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
        }

        /* ============ 内页Hero ============ */
        .page-hero {
            position: relative;
            padding: 160px 0 90px;
            background: url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 12, 18, 0.95) 0%, rgba(7, 12, 18, 0.75) 50%, rgba(7, 12, 18, 0.4) 100%);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(0deg, var(--bg-page) 0%, transparent 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
        }
        .hero-caption {
            max-width: 540px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #00E5A0, #00A8E0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.75;
            color: rgba(242, 247, 245, 0.8);
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-card {
            background: rgba(15, 22, 30, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .hero-card-head {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 18px;
        }
        .hero-card-head i {
            color: var(--primary);
            font-size: 18px;
        }
        .hero-card-body {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hero-card-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            background: rgba(7, 12, 18, 0.35);
            border-radius: 12px;
        }
        .hero-card-row>i {
            font-size: 20px;
            color: var(--primary);
            width: 24px;
            text-align: center;
        }
        .hero-card-row strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .hero-card-row span {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .hero-card .btn-primary {
            width: 100%;
            margin-top: 18px;
            height: 46px;
        }

        /* ============ 板块通用 ============ */
        .section-padding {
            padding: 90px 0;
        }
        .section-dark {
            background: var(--bg-card);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(0, 229, 160, 0.08);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .grid-padding-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        /* ============ 登录方式 ============ */
        .method-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 20px;
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: var(--transition);
        }
        .method-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 160, 0.15);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .method-card:hover::before {
            opacity: 1;
        }
        .method-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 229, 160, 0.1);
            border-radius: 14px;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .method-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .method-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .method-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: rgba(0, 229, 160, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
            font-weight: 600;
        }

        /* ============ 登录流程 ============ */
        .steps-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .steps-media img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }
        .steps-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(45deg, rgba(0, 229, 160, 0.08), transparent 60%);
        }
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .step-item {
            display: flex;
            gap: 20px;
            padding: 28px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.15), rgba(37, 99, 235, 0.15));
            color: var(--primary);
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            border: 1px solid rgba(0, 229, 160, 0.2);
        }
        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ 安全提示 ============ */
        .tips-area {
            background: var(--bg-page);
            background-image:
                linear-gradient(rgba(0, 229, 160, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 229, 160, 0.025) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .tips-area::before {
            content: '';
            display: block;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
            opacity: 0.6;
        }
        .tip-card {
            background: rgba(15, 22, 30, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 18px;
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
        }
        .tip-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .tip-card i {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .tip-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .tip-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.1);
        }
        .faq-item.active {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 160, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }
        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            flex: 1;
            transition: var(--transition);
        }
        .faq-item.active .faq-question h3 {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #070C12;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 28px 24px 28px;
            border-left: 2px solid;
            margin: 0 28px;
            background: linear-gradient(180deg, rgba(0, 229, 160, 0.4), rgba(37, 99, 235, 0.4));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding-left: 16px;
        }
        .faq-answer-inner p {
            -webkit-text-fill-color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 100px 0;
            overflow: hidden;
        }
        .cta-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, #00E5A0, #00A8E0, #2563EB);
            opacity: 0.12;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            border-radius: 28px;
            background: rgba(15, 22, 30, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }
        .cta-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .cta-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 400px;
            margin-bottom: 24px;
        }
        .cta-form {
            background: rgba(7, 12, 18, 0.45);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 28px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            background: var(--bg-page);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
            margin-bottom: 16px;
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }
        .cta-form input::placeholder {
            color: var(--text-helper);
        }
        .cta-form .btn-primary {
            width: 100%;
            height: 48px;
            font-size: 16px;
        }

        /* ============ 相关推荐 ============ */
        .related-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 20px;
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 160, 0.15);
        }
        .related-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .related-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .related-media img {
            transform: scale(1.05);
        }
        .related-body {
            padding: 24px;
        }
        .related-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
        }
        .related-link:hover {
            gap: 10px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #05080C;
            border-top: 2px solid;
            border-image: linear-gradient(90deg, var(--primary), var(--accent), transparent) 1;
        }
        .site-footer::before {
            content: '';
            display: block;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 60px 0 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 16px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.15);
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-helper);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 42px;
            }
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-card {
                margin-top: 32px;
            }
            .section-title {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background: rgba(7, 12, 18, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 4px;
                transition: right .3s ease;
                box-shadow: -20px 0 40px rgba(0, 0, 0, 0.4);
                overflow-y: auto;
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-menu a {
                width: 100%;
                padding: 14px 16px;
                font-size: 16px;
                border-radius: 10px;
            }
            .nav-menu a.active {
                background: rgba(0, 229, 160, 0.08);
            }
            .nav-toggle {
                display: flex;
            }
            .header-cta .btn-primary span {
                display: none;
            }
            .header-cta .btn-primary {
                width: 44px;
                padding: 0;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-text span {
                font-size: 13px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root{
    --bg-dark:#070C12;
    --bg-card:#0F161E;
    --bg-hover:#16202B;
    --bg-panel:#18232F;
    --accent:#00E5A0;
    --accent-glow:rgba(0,229,160,0.35);
    --accent-soft:rgba(0,229,160,0.1);
    --orange:#FF7A45;
    --orange-glow:rgba(255,122,69,0.3);
    --text-main:#F2F7F5;
    --text-secondary:#A6B2BC;
    --text-helper:#5E6A75;
    --border:#24303B;
    --shadow-card:0 4px 24px rgba(0,0,0,0.28);
    --shadow-hover:0 8px 40px rgba(0,229,160,0.12);
    --transition:all .25s cubic-bezier(.4,0,.2,1);
    --gradient-brand:135deg,#00E5A0,#00A8E0,#2563EB;
    --gradient-warm:135deg,#FF7A45,#FFB347;
    --gradient-btn:90deg,#00E5A0,#00A8E0;
    --radius-card:18px;
    --radius-btn:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC','Noto Sans CJK SC',sans-serif;
    background:var(--bg-dark);
    color:var(--text-main);
    line-height:1.75;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
    position:relative;
}
body::before{
    content:'';
    position:fixed;
    inset:0;
    background:
        radial-gradient(ellipse at 15% 0%,rgba(0,229,160,0.07),transparent 50%),
        radial-gradient(ellipse at 85% 100%,rgba(0,168,224,0.06),transparent 50%);
    pointer-events:none;
    z-index:0;
}
body::after{
    content:'';
    position:fixed;
    inset:0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
    background-size:42px 42px;
    pointer-events:none;
    z-index:0;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
}
.container,.grid-container{max-width:1200px;margin:0 auto;padding:0 24px}
.grid-container{width:100%}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px}

/* Header */
.site-header{
    position:fixed;
    top:0;
    left:0;
    right:0;
    height:72px;
    z-index:1000;
    background:rgba(7,12,18,0.85);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(0,229,160,0.12);
}
.site-header::after{
    content:'';
    position:absolute;
    left:0;right:0;bottom:-2px;
    height:2px;
    background:linear-gradient(90deg,transparent,#00E5A0,transparent);
    opacity:.55;
    pointer-events:none;
}
.header-inner{
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
    height:72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.brand-logo{
    width:38px;
    height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--gradient-btn);
    color:#071018;
    border-radius:11px;
    font-size:16px;
    box-shadow:0 0 18px rgba(0,229,160,0.3);
}
.brand-text{
    font-size:20px;
    font-weight:800;
    color:var(--text-main);
    letter-spacing:0.02em;
    white-space:nowrap;
}
.brand-text span{
    color:var(--accent);
}
.nav-menu{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:auto;
}
.nav-menu a{
    position:relative;
    padding:8px 14px;
    color:var(--text-secondary);
    font-size:15px;
    font-weight:500;
    border-radius:8px;
    transition:var(--transition);
}
.nav-menu a:hover{
    color:var(--text-main);
    text-shadow:0 0 12px rgba(0,229,160,0.5);
}
.nav-menu a.active{
    color:var(--accent);
    text-shadow:0 0 14px rgba(0,229,160,0.65);
}
.nav-menu a.active::after{
    content:'';
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-2px;
    width:22px;
    height:3px;
    border-radius:3px;
    background:var(--accent);
    box-shadow:0 0 12px rgba(0,229,160,0.7);
}
.header-cta{
    display:flex;
    align-items:center;
    gap:12px;
}
.btn-primary{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--gradient-btn);
    color:#071018;
    font-size:15px;
    font-weight:700;
    padding:11px 22px;
    border-radius:var(--radius-btn);
    border:none;
    cursor:pointer;
    transition:var(--transition);
    box-shadow:0 2px 12px rgba(0,229,160,0.2);
}
.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 0 24px rgba(0,229,160,0.4);
    color:#071018;
}
.btn-primary:active{
    transform:translateY(0);
}
.nav-toggle{
    display:none;
    width:44px;
    height:44px;
    background:rgba(0,229,160,0.08);
    border:1px solid var(--border);
    border-radius:10px;
    color:var(--text-main);
    font-size:18px;
    cursor:pointer;
    transition:var(--transition);
}
.nav-toggle:hover{
    background:rgba(0,229,160,0.15);
    color:var(--accent);
}

/* Page Banner */
.page-banner{
    position:relative;
    padding:138px 0 54px;
    background-color:var(--bg-dark);
    background-size:cover;
    background-position:center;
    border-bottom:1px solid rgba(255,255,255,0.04);
}
.page-banner::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(7,12,18,0.95) 0%,rgba(7,12,18,0.75) 60%,rgba(7,12,18,0.55) 100%);
}
.page-banner::after{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(ellipse at 75% 15%,rgba(0,229,160,0.2),transparent 60%);
}
.banner-inner{
    position:relative;
    z-index:2;
}
.breadcrumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:6px;
    font-size:14px;
    color:var(--text-secondary);
    margin-bottom:20px;
}
.breadcrumb a{
    color:var(--text-secondary);
}
.breadcrumb a:hover{
    color:var(--accent);
}
.breadcrumb i{
    font-size:11px;
    color:var(--text-helper);
}
.breadcrumb .current{
    color:var(--text-main);
    max-width:420px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.banner-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    letter-spacing:0.08em;
    color:var(--accent);
    padding:8px 18px;
    border:1px solid rgba(0,229,160,0.25);
    border-radius:999px;
    background:rgba(0,229,160,0.06);
}

/* Article Main */
.article-section{
    position:relative;
    z-index:1;
    padding:36px 0 72px;
}
.article-wrap{
    max-width:960px;
    margin:0 auto;
}
.article-card{
    background:var(--bg-card);
    border:1px solid rgba(255,255,255,0.045);
    border-radius:22px;
    overflow:hidden;
    box-shadow:var(--shadow-card);
}
.article-header{
    padding:46px 64px 20px;
}
.article-tags{
    display:flex;
    gap:10px;
    margin-bottom:18px;
}
.tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:600;
    color:var(--accent);
    background:rgba(0,229,160,0.08);
    border:1px solid rgba(0,229,160,0.2);
    padding:5px 14px;
    border-radius:999px;
}
.article-title{
    font-size:42px;
    font-weight:800;
    line-height:1.22;
    color:var(--text-main);
    margin-bottom:18px;
    letter-spacing:0.01em;
    text-shadow:0 0 30px rgba(0,229,160,0.06);
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:18px;
    color:var(--text-secondary);
    font-size:14px;
    border-bottom:1px solid rgba(255,255,255,0.05);
    padding-bottom:24px;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:7px;
}
.meta-item i{
    color:var(--accent);
    opacity:.75;
    font-size:13px;
}
.article-summary{
    margin:28px 0 0;
}
.article-summary blockquote{
    border-left:3px solid var(--accent);
    background:rgba(0,229,160,0.05);
    padding:16px 22px;
    border-radius:0 14px 14px 0;
    color:var(--text-secondary);
    font-size:15px;
    line-height:1.85;
    font-style:normal;
}
.article-cover{
    margin:28px 0 0;
    border-radius:16px;
    overflow:hidden;
    max-height:420px;
}
.article-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.article-body{
    padding:44px 64px 56px;
    max-width:100%;
}
.article-body p{
    font-size:16px;
    line-height:1.9;
    color:#CBD5DC;
    margin-bottom:1.4em;
}
.article-body h2{
    font-size:26px;
    font-weight:700;
    color:var(--text-main);
    margin:38px 0 16px;
    padding-left:16px;
    position:relative;
    line-height:1.35;
}
.article-body h2::before{
    content:'';
    position:absolute;
    left:0;
    top:8px;
    bottom:8px;
    width:3px;
    border-radius:3px;
    background:linear-gradient(180deg,var(--accent),rgba(0,229,160,0.1));
}
.article-body h3{
    font-size:20px;
    font-weight:700;
    color:var(--text-main);
    margin:30px 0 12px;
    line-height:1.4;
}
.article-body ul,
.article-body ol{
    margin:0 0 1.5em;
    padding-left:1.4em;
    color:#CBD5DC;
}
.article-body li{
    margin-bottom:.5em;
    line-height:1.8;
}
.article-body li::marker{
    color:var(--accent);
}
.article-body blockquote{
    border-left:3px solid var(--orange);
    background:rgba(255,122,69,0.06);
    padding:14px 22px;
    border-radius:0 14px 14px 0;
    color:#DDE5E8;
    margin:1.5em 0;
}
.article-body img{
    border-radius:14px;
    margin:1.4em 0;
    box-shadow:var(--shadow-card);
}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:1.6em 0;
    font-size:14px;
}
.article-body th{
    background:var(--bg-panel);
    color:var(--text-main);
    font-weight:600;
    border:1px solid var(--border);
    padding:11px 14px;
    text-align:left;
}
.article-body td{
    border:1px solid var(--border);
    padding:10px 14px;
    color:#CBD5DC;
}
.article-body tr:nth-child(even) td{
    background:rgba(255,255,255,0.02);
}
.article-body code{
    background:var(--bg-panel);
    padding:2px 8px;
    border-radius:6px;
    font-size:.9em;
    color:var(--accent);
    font-family:'DIN Alternate','Rajdhani',monospace;
}
.article-body pre{
    background:var(--bg-panel);
    border:1px solid var(--border);
    border-radius:14px;
    padding:18px 22px;
    overflow-x:auto;
    margin:1.5em 0;
}
.article-body pre code{
    background:transparent;
    padding:0;
    color:#DDE5E8;
}

/* Article Not Found */
.article-not-found{
    background:var(--bg-card);
    border:1px solid rgba(255,255,255,0.045);
    border-radius:22px;
    padding:80px 40px;
    text-align:center;
    box-shadow:var(--shadow-card);
}
.article-not-found i{
    font-size:48px;
    color:var(--orange);
    margin-bottom:18px;
    display:inline-block;
}
.article-not-found h1{
    font-size:30px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:12px;
}
.article-not-found p{
    color:var(--text-secondary);
    margin-bottom:28px;
}

/* Article Nav */
.article-nav{
    padding:34px 64px 44px;
    border-top:1px solid rgba(255,255,255,0.05);
    background:rgba(7,12,18,0.3);
}
.article-nav .grid-x{
    margin-bottom:6px;
}
.article-nav-link{
    display:flex;
    flex-direction:column;
    background:var(--bg-panel);
    border:1px solid var(--border);
    padding:18px 22px;
    border-radius:14px;
    transition:var(--transition);
    height:100%;
    color:var(--text-main);
}
.article-nav-link:hover{
    border-color:rgba(0,229,160,0.35);
    box-shadow:var(--shadow-hover);
    transform:translateY(-2px);
    color:var(--text-main);
}
.article-nav-link.next{
    text-align:right;
}
.nav-label{
    font-size:12px;
    letter-spacing:0.05em;
    color:var(--accent);
    display:block;
    margin-bottom:8px;
}
.article-nav-link.next .nav-label{
    justify-content:flex-end;
}
.nav-title{
    font-size:14px;
    font-weight:600;
    color:var(--text-main);
    line-height:1.5;
}
.back-category{
    text-align:center;
    margin-top:26px;
}
.btn-ghost{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:transparent;
    border:1.5px solid var(--accent);
    color:var(--accent);
    font-size:14px;
    font-weight:600;
    padding:11px 24px;
    border-radius:var(--radius-btn);
    transition:var(--transition);
}
.btn-ghost:hover{
    background:rgba(0,229,160,0.08);
    box-shadow:0 0 18px rgba(0,229,160,0.2);
    transform:translateY(-1px);
    color:var(--accent);
}

/* Related Section */
.related-section{
    position:relative;
    z-index:1;
    padding:72px 0;
    background:#0A1119;
    border-top:1px solid rgba(255,255,255,0.04);
}
.section-head{
    text-align:center;
    margin-bottom:44px;
}
.section-kicker{
    display:inline-block;
    font-size:13px;
    letter-spacing:0.08em;
    color:var(--accent);
    margin-bottom:10px;
}
.section-head h2{
    font-size:32px;
    font-weight:800;
    color:var(--text-main);
    line-height:1.3;
    margin-bottom:8px;
}
.section-head p{
    color:var(--text-secondary);
    font-size:15px;
}
.related-col{
    margin-bottom:20px;
}
.related-card{
    display:flex;
    flex-direction:column;
    height:100%;
    background:var(--bg-card);
    border:1px solid rgba(255,255,255,0.05);
    border-radius:18px;
    overflow:hidden;
    transition:var(--transition);
    box-shadow:var(--shadow-card);
}
.related-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(0,229,160,0.2);
}
.card-img{
    aspect-ratio:16/9;
    overflow:hidden;
    position:relative;
}
.card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s ease;
}
.related-card:hover .card-img img{
    transform:scale(1.05);
}
.card-img::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,transparent 55%,rgba(7,12,18,0.5));
    pointer-events:none;
}
.related-card-body{
    padding:22px 24px 24px;
    display:flex;
    flex-direction:column;
    flex:1;
}
.card-tag{
    font-size:12px;
    font-weight:600;
    color:var(--accent);
    background:rgba(0,229,160,0.08);
    padding:4px 12px;
    border-radius:999px;
    align-self:flex-start;
    margin-bottom:12px;
}
.card-title{
    font-size:17px;
    font-weight:700;
    color:var(--text-main);
    line-height:1.45;
    margin-bottom:10px;
    transition:var(--transition);
}
.related-card:hover .card-title{
    color:var(--accent);
}
.card-excerpt{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.7;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:14px;
}
.card-link{
    margin-top:auto;
    font-size:14px;
    font-weight:600;
    color:var(--accent);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.card-link i{
    transition:transform .25s ease;
}
.related-card:hover .card-link i{
    transform:translateX(4px);
}

/* CTA Section */
.cta-section{
    position:relative;
    z-index:1;
    padding:78px 0;
    background:linear-gradient(135deg,#00E5A0 0%,#00A8E0 55%,#2563EB 100%);
    overflow:hidden;
}
.cta-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(ellipse at 20% 20%,rgba(255,255,255,0.18),transparent 55%);
    pointer-events:none;
}
.cta-inner{
    position:relative;
    z-index:1;
}
.cta-kicker{
    font-size:14px;
    font-weight:700;
    letter-spacing:0.06em;
    color:#071018;
    opacity:.85;
    display:inline-block;
    margin-bottom:12px;
}
.cta-section h2{
    font-size:34px;
    font-weight:800;
    color:#071018;
    line-height:1.3;
    margin-bottom:16px;
}
.cta-section .cta-text{
    font-size:16px;
    color:rgba(7,16,24,0.8);
    line-height:1.8;
    max-width:520px;
    margin-bottom:30px;
}
.cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}
.btn-dark{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:#071018;
    color:#00E5A0;
    font-size:15px;
    font-weight:700;
    padding:13px 28px;
    border-radius:var(--radius-btn);
    transition:var(--transition);
    border:1px solid rgba(7,16,24,0.2);
}
.btn-dark:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 30px rgba(0,0,0,0.25);
    color:#00E5A0;
}
.btn-outline-light{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:transparent;
    color:#071018;
    border:1.5px solid rgba(7,16,24,0.4);
    font-size:15px;
    font-weight:600;
    padding:12px 26px;
    border-radius:var(--radius-btn);
    transition:var(--transition);
}
.btn-outline-light:hover{
    background:rgba(7,16,24,0.08);
    border-color:#071018;
    color:#071018;
    transform:translateY(-1px);
}
.quick-form{
    background:rgba(7,12,18,0.55);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,0.14);
    border-radius:18px;
    padding:30px;
    box-shadow:0 16px 48px rgba(0,0,0,0.3);
}
.quick-form h3{
    font-size:19px;
    font-weight:700;
    color:#fff;
    margin-bottom:20px;
}
.quick-form label{
    display:block;
    font-size:13px;
    color:rgba(255,255,255,0.75);
    margin-bottom:6px;
    font-weight:500;
}
.quick-form input,
.quick-form select{
    width:100%;
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.15);
    color:#fff;
    font-size:14px;
    padding:12px 15px;
    border-radius:10px;
    margin-bottom:16px;
    transition:var(--transition);
    appearance:none;
    -webkit-appearance:none;
}
.quick-form select option{
    background:var(--bg-panel);
    color:var(--text-main);
}
.quick-form input::placeholder{
    color:rgba(255,255,255,0.4);
}
.quick-form input:focus,
.quick-form select:focus{
    outline:none;
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(0,229,160,0.18);
    background:rgba(255,255,255,0.1);
}
.quick-form .btn-primary{
    width:100%;
    justify-content:center;
    background:#fff;
    color:#071018;
    border:none;
    margin-top:4px;
}
.quick-form .btn-primary:hover{
    box-shadow:0 0 28px rgba(255,255,255,0.35);
}
.form-success{
    color:#DDFFF2;
    font-size:14px;
    margin-top:14px;
    text-align:center;
    padding:10px;
    border-radius:8px;
    background:rgba(0,229,160,0.14);
}

/* Footer */
.site-footer{
    position:relative;
    z-index:1;
    background:#05080C;
    padding:60px 0 0;
    border-top:2px solid transparent;
    background-image:linear-gradient(#05080C,#05080C),linear-gradient(90deg,transparent,#00E5A0,#00A8E0,transparent);
    background-origin:border-box;
    background-clip:padding-box,border-box;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:36px;
    padding-bottom:44px;
}
.footer-brand p{
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.8;
    margin-top:16px;
    max-width:320px;
}
.footer-col h4{
    color:var(--text-main);
    font-size:16px;
    font-weight:700;
    margin-bottom:18px;
}
.footer-col ul{
    list-style:none;
    padding:0;
    margin:0;
}
.footer-col ul li{
    margin-bottom:10px;
}
.footer-col ul li a{
    color:var(--text-secondary);
    font-size:14px;
    transition:var(--transition);
}
.footer-col ul li a:hover{
    color:var(--accent);
    padding-left:4px;
}
.footer-social{
    display:flex;
    gap:10px;
    margin-top:18px;
}
.footer-social a{
    width:36px;
    height:36px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,0.05);
    border:1px solid var(--border);
    border-radius:10px;
    color:var(--text-secondary);
    font-size:15px;
    transition:var(--transition);
}
.footer-social a:hover{
    color:var(--accent);
    border-color:var(--accent);
    box-shadow:0 0 14px rgba(0,229,160,0.25);
    transform:translateY(-2px);
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.06);
    padding:20px 0 26px;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px;
    color:var(--text-helper);
    font-size:13px;
}
.footer-bottom p{
    margin:0;
}

/* Responsive */
@media screen and (max-width:1024px){
    .header-inner{
        padding:0 20px;
    }
    .article-header,
    .article-body,
    .article-nav{
        padding-left:44px;
        padding-right:44px;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:28px;
    }
}
@media screen and (max-width:768px){
    .nav-menu{
        position:fixed;
        top:72px;
        left:0;
        right:0;
        background:rgba(7,12,18,0.97);
        backdrop-filter:blur(16px);
        -webkit-backdrop-filter:blur(16px);
        flex-direction:column;
        align-items:flex-start;
        padding:18px 24px 26px;
        gap:6px;
        border-bottom:1px solid rgba(0,229,160,0.15);
        transform:translateY(-110%);
        transition:transform .3s ease;
        margin:0;
        box-shadow:0 20px 40px rgba(0,0,0,0.4);
    }
    .nav-menu.open{
        transform:translateY(0);
    }
    .nav-menu a{
        width:100%;
        padding:13px 14px;
        font-size:16px;
    }
    .nav-menu a.active::after{
        left:18px;
        transform:none;
        width:28px;
    }
    .nav-toggle{
        display:inline-flex;
        align-items:center;
        justify-content:center;
    }
    .header-cta .btn-primary span{
        display:none;
    }
    .header-cta .btn-primary{
        padding:11px 14px;
        width:42px;
        height:42px;
        justify-content:center;
        border-radius:11px;
    }
    .header-cta .btn-primary i{
        margin:0;
    }
    .page-banner{
        padding:112px 0 44px;
    }
    .breadcrumb .current{
        max-width:240px;
    }
    .article-header{
        padding:36px 24px 16px;
    }
    .article-title{
        font-size:29px;
        line-height:1.3;
    }
    .article-meta{
        gap:12px;
        font-size:13px;
    }
    .article-body{
        padding:32px 24px 40px;
    }
    .article-body p{
        font-size:15px;
    }
    .article-body h2{
        font-size:22px;
    }
    .article-body h3{
        font-size:18px;
    }
    .article-nav{
        padding:26px 24px 34px;
    }
    .article-nav .grid-x{
        display:flex;
        flex-direction:column;
        gap:14px;
        margin:0;
    }
    .article-nav .grid-x .cell{
        margin:0;
        max-width:100%;
        flex:0 0 100%;
    }
    .related-section{
        padding:56px 0;
    }
    .section-head h2{
        font-size:27px;
    }
    .cta-section{
        padding:56px 0;
    }
    .cta-section h2{
        font-size:28px;
    }
    .quick-form{
        margin-top:30px;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:28px;
        padding-bottom:30px;
    }
    .footer-bottom{
        flex-direction:column;
        align-items:center;
        text-align:center;
    }
}
@media screen and (max-width:520px){
    .container,.grid-container{
        padding-left:16px;
        padding-right:16px;
    }
    .header-inner{
        padding:0 16px;
        gap:12px;
    }
    .brand-text{
        font-size:18px;
    }
    .brand-logo{
        width:34px;
        height:34px;
        font-size:14px;
    }
    .article-title{
        font-size:25px;
    }
    .article-meta{
        gap:8px;
    }
    .meta-item i{
        display:none;
    }
    .article-summary blockquote{
        padding:12px 16px;
        font-size:14px;
    }
    .article-body p{
        font-size:15px;
        line-height:1.85;
    }
    .article-cover{
        border-radius:12px;
    }
    .back-category .btn-ghost{
        width:100%;
        justify-content:center;
    }
    .cta-actions{
        flex-direction:column;
    }
    .cta-actions .btn-dark,
    .cta-actions .btn-outline-light{
        justify-content:center;
        width:100%;
    }
    .quick-form{
        padding:22px 18px;
    }
}

/* roulang page: category2 */
/* ===== CSS Variables ===== */
:root {
  --bg-page: #070C12;
  --bg-card: #0F161E;
  --bg-card-hover: #16202B;
  --bg-float: #18232F;
  --primary: #00E5A0;
  --primary-glow: rgba(0,229,160,0.35);
  --accent: #FF7A45;
  --accent-glow: rgba(255,122,69,0.3);
  --text-main: #F2F7F5;
  --text-sub: #A6B2BC;
  --text-helper: #5E6A75;
  --gradient-brand: linear-gradient(135deg, #00E5A0, #00A8E0, #2563EB);
  --gradient-warm: linear-gradient(135deg, #FF7A45, #FFB347);
  --gradient-btn: linear-gradient(90deg, #00E5A0, #00A8E0);
  --radius-card: 18px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.28);
  --shadow-card-hover: 0 8px 40px rgba(0,229,160,0.12);
  --border-color: #24303B;
  --transition: all .25s cubic-bezier(.4,0,.2,1);
  --font-cn: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --font-num: "Rajdhani", "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.grid-container { max-width: 1200px; }
::selection { background: rgba(0,229,160,0.3); color: #fff; }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-btn);
  color: #071018;
  font-weight: 700;
  font-size: 15px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 0 rgba(0,229,160,0);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  box-shadow: 0 0 24px var(--primary-glow);
  color: #071018;
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary.btn-lg { height: 56px; padding: 0 40px; font-size: 16px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 32px;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(0,229,160,0.1);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: translateY(0); }
.btn-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: #0F161E;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-light:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transform: translateY(-2px);
  color: #0F161E;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 72px;
  background: rgba(7,12,18,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid transparent;
  box-shadow: 0 0 20px rgba(0,229,160,0.06);
}
.site-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.7;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-btn);
  border-radius: 10px;
  color: #071018;
  font-size: 18px;
  box-shadow: 0 0 16px var(--primary-glow);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand-text span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu a {
  position: relative;
  padding: 8px 16px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-menu a:hover {
  color: var(--text-main);
  text-shadow: 0 0 12px rgba(0,229,160,0.4);
}
.nav-menu a.active {
  color: var(--primary);
  text-shadow: 0 0 16px var(--primary-glow);
  font-weight: 600;
}
.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-primary i { font-size: 14px; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  background-size: cover;
  background-position: center;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,12,18,0.95) 0%, rgba(7,12,18,0.7) 40%, rgba(7,12,18,0.4) 100%);
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--bg-page));
  pointer-events: none;
}
.banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.banner-breadcrumb a { color: var(--text-sub); }
.banner-breadcrumb a:hover { color: var(--primary); }
.banner-breadcrumb .sep { font-size: 10px; color: var(--text-helper); }
.page-banner h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 18px;
  text-shadow: 0 0 40px rgba(0,229,160,0.15);
  letter-spacing: 0.01em;
}
.banner-subtitle {
  font-size: 19px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 640px;
}
.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Section Common ===== */
.section { padding: 84px 0; position: relative; }
.section-head { max-width: 720px; margin: 0 auto 52px; }
.section-head.text-center { text-align: center; }
.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
  position: relative;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-btn);
  margin: 14px auto 0;
}
.section-head.text-left h2::after { margin-left: 0; }
.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.7;
  margin-top: 10px;
}

/* ===== Stats ===== */
.stats-grid { margin-top: -10px; }
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  margin-bottom: 20px;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-btn);
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); background: var(--bg-card-hover); }
.stat-card:hover::before { opacity: 1; }
.stat-number {
  font-family: var(--font-num);
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-number span { font-size: 22px; }
.stat-label {
  font-size: 14px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}

/* ===== Features ===== */
.section-features { background: linear-gradient(180deg, transparent, rgba(0,229,160,0.03), transparent); }
.feature-grid { align-items: stretch; }
.feature-grid .cell { margin-bottom: 20px; }
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  height: 100%;
  min-height: 240px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0,229,160,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.feature-card .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(0,229,160,0.12);
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  background: var(--gradient-btn);
  color: #071018;
  box-shadow: 0 0 20px var(--primary-glow);
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== News Cards ===== */
.section-news { background: rgba(15,22,30,0.3); }
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}
.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0,229,160,0.2);
}
.news-thumb { position: relative; overflow: hidden; border-radius: 0; }
.news-thumb img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.news-tag {
  align-self: flex-start;
  background: rgba(0,229,160,0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.news-card h3 {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 10px;
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}
.news-date { font-size: 13px; color: var(--text-helper); display: flex; align-items: center; gap: 6px; }
.news-link { font-size: 14px; color: var(--primary); font-weight: 600; }
.news-link:hover { text-shadow: 0 0 8px var(--primary-glow); }

/* ===== Timeline ===== */
.section-timeline { background: var(--bg-page); }
.timeline {
  position: relative;
  max-width: 840px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), rgba(0,229,160,0.15));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-dot {
  position: absolute;
  left: -34px;
  top: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 14px var(--primary-glow);
  z-index: 2;
}
.timeline-dot::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid rgba(0,229,160,0.3);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(0.8); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 0; }
}
.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.timeline-content:hover {
  border-color: rgba(0,229,160,0.3);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}
.timeline-date {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.timeline-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.timeline-content p {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Hot Cards ===== */
.section-hot { background: rgba(15,22,30,0.3); }
.hot-grid .cell { margin-bottom: 20px; }
.hot-card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
}
.hot-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card-hover);
}
.hot-badge {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: rgba(0,229,160,0.12);
  position: absolute;
  top: 16px;
  right: 22px;
}
.hot-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.hot-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.text-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1;
}
.text-link:hover { text-shadow: 0 0 10px var(--primary-glow); }
.text-link i { font-size: 12px; transition: transform var(--transition); }
.text-link:hover i { transform: translateX(4px); }

/* ===== FAQ ===== */
.section-faq { background: var(--bg-page); }
.faq-grid .cell { margin-bottom: 20px; }
.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px 28px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}
.faq-card:hover { border-color: rgba(0,229,160,0.25); background: var(--bg-card-hover); }
.faq-card.active {
  background: var(--bg-float);
  border-color: rgba(0,229,160,0.4);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  transition: var(--transition);
}
.faq-card.active .faq-question { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-sub);
  transition: var(--transition);
}
.faq-card.active .faq-icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding-left: 0;
}
.faq-card.active .faq-answer {
  max-height: 200px;
  padding-left: 14px;
  padding-top: 14px;
  margin-top: 14px;
  border-left: 2px solid var(--primary);
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== CTA ===== */
.section-cta { padding: 40px 0 100px; }
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  background: var(--gradient-brand);
  border-radius: 24px;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,229,160,0.18);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.16);
  filter: blur(70px);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 30%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(0,0,0,0.1);
  filter: blur(50px);
}
.cta-content {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 280px;
  color: #fff;
}
.cta-content h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.cta-content p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
  max-width: 480px;
}
.cta-form-card {
  position: relative;
  z-index: 2;
  width: 380px;
  max-width: 100%;
  background: rgba(7,12,18,0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 18px;
  padding: 30px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
}
.cta-form-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  background: rgba(15,22,30,0.9);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 14px;
  transition: var(--transition);
}
.form-input::placeholder { color: rgba(255,255,255,0.35); }
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,229,160,0.18);
  outline: none;
}
.form-select {
  width: 100%;
  background: rgba(15,22,30,0.9);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 14px;
  transition: var(--transition);
  cursor: pointer;
}
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,229,160,0.18);
  outline: none;
}
.form-select option { background: var(--bg-card); color: var(--text-main); }
.btn-submit {
  width: 100%;
  background: var(--gradient-btn);
  color: #071018;
  border: none;
  border-radius: 10px;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 4px;
}
.btn-submit:hover {
  box-shadow: 0 0 20px rgba(0,229,160,0.4);
  transform: translateY(-2px);
}
.btn-submit:active { transform: translateY(0); }

/* ===== Footer ===== */
.site-footer {
  background: #05080C;
  border-top: 2px solid var(--primary);
  padding: 64px 0 0;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  font-size: 14px;
  color: var(--text-sub);
  transition: var(--transition);
}
.footer-col ul a:hover {
  color: var(--primary);
  padding-left: 4px;
  text-shadow: 0 0 8px var(--primary-glow);
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  color: var(--text-sub);
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: rgba(0,229,160,0.14);
  color: var(--primary);
  box-shadow: 0 0 14px var(--primary-glow);
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-helper);
}
.copyright a { color: var(--text-helper); }
.copyright a:hover { color: var(--primary); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stat-number { font-size: 38px; }
  .page-banner h1 { font-size: 42px; }
  .section-head h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-box { padding: 40px 32px; }
}

@media (max-width: 640px) {
  .site-header { height: auto; min-height: 64px; }
  .header-inner { height: 64px; gap: 12px; padding: 0 16px; }
  .brand-text { font-size: 17px; }
  .brand-logo { width: 32px; height: 32px; font-size: 15px; }
  .header-cta .btn-primary { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(7,12,18,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
    display: none;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    z-index: 99;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 14px 16px; font-size: 16px; border-radius: 10px; }
  .nav-menu a.active { background: rgba(0,229,160,0.08); }
  .nav-menu a.active::after { display: none; }
  .page-banner { min-height: 380px; padding: 110px 0 60px; }
  .page-banner h1 { font-size: 32px; }
  .banner-subtitle { font-size: 16px; }
  .banner-actions { flex-direction: column; width: 100%; }
  .btn-primary.btn-lg, .btn-ghost { width: 100%; justify-content: center; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 26px; }
  .stat-card { padding: 24px 20px; }
  .stat-number { font-size: 34px; }
  .news-thumb img { height: 180px; }
  .news-body { padding: 20px; }
  .timeline { padding-left: 30px; }
  .timeline-content { padding: 20px; }
  .cta-box { padding: 32px 20px; }
  .cta-content h2 { font-size: 24px; }
  .cta-form-card { width: 100%; padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category3 */
:root {
            --bg-page: #070C12;
            --bg-card: #0F161E;
            --bg-card-hover: #16202B;
            --bg-overlay: #18232F;
            --primary: #00E5A0;
            --primary-glow: rgba(0, 229, 160, 0.35);
            --accent: #FF7A45;
            --accent-glow: rgba(255, 122, 69, 0.3);
            --text-main: #F2F7F5;
            --text-secondary: #A6B2BC;
            --text-helper: #5E6A75;
            --border-color: #24303B;
            --gradient-brand: 135deg, #00E5A0, #00A8E0, #2563EB;
            --gradient-warm: 135deg, #FF7A45, #FFB347;
            --radius-card: 18px;
            --radius-btn: 12px;
            --radius-img: 12px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 8px 40px rgba(0, 229, 160, 0.12);
            --transition: all .25s cubic-bezier(.4, 0, .2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-img);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 90px 0;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 44px;
            max-width: 680px;
            line-height: 1.7;
        }

        .section-head-center {
            text-align: center;
        }

        .section-head-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        @media screen and (max-width: 640px) {
            .section-pad {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-sub {
                font-size: 14px;
                margin-bottom: 30px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(7, 12, 18, 0.86);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, transparent, var(--primary), transparent) 1;
        }

        .header-inner {
            max-width: 1200px;
            height: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 700;
            font-size: 20px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .brand:hover {
            color: var(--primary);
        }

        .brand-logo {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #00A8E0);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #04080D;
            font-size: 18px;
            box-shadow: 0 0 18px rgba(0, 229, 160, 0.35);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.2px;
            background: linear-gradient(90deg, var(--text-main), #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-text span {
            color: var(--primary);
            -webkit-text-fill-color: var(--primary);
            font-weight: 600;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-menu a {
            position: relative;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--text-main);
            text-shadow: 0 0 12px rgba(0, 229, 160, 0.45);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px var(--primary);
            transition: var(--transition);
        }

        .nav-menu a.active {
            color: var(--primary);
            text-shadow: 0 0 14px rgba(0, 229, 160, 0.55);
        }

        .nav-menu a.active::after {
            width: 28px;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            background: linear-gradient(90deg, #00E5A0, #00A8E0);
            color: #050A10;
            font-weight: 700;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 0 rgba(0, 229, 160, 0);
        }

        .btn-primary:hover {
            color: #050A10;
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(0, 229, 160, 0.3);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .nav-toggle:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            box-shadow: 0 0 18px rgba(0, 229, 160, 0.15);
        }

        .btn-ghost:active {
            transform: scale(0.98);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(78deg, #070C12 30%, rgba(7, 12, 18, 0.75) 65%, rgba(7, 12, 18, 0.5)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            left: -10%;
            bottom: -30%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.22), transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            right: 10%;
            top: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 122, 69, 0.18), transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-helper);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb i {
            font-size: 10px;
            color: var(--text-helper);
        }

        .category-hero h1 {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 18px;
            text-shadow: 0 0 40px rgba(0, 229, 160, 0.15);
        }

        .category-hero .hero-desc {
            font-size: 18px;
            color: rgba(242, 247, 245, 0.8);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 720px;
        }

        .stat-badge {
            background: rgba(15, 22, 30, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            backdrop-filter: blur(6px);
            position: relative;
            overflow: hidden;
        }

        .stat-badge::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px var(--primary);
        }

        .stat-badge .num {
            font-family: 'Rajdhani', 'DIN Alternate', 'Bahnschrift', sans-serif;
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(var(--gradient-brand));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 0.03em;
        }

        .stat-badge .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        @media screen and (max-width: 640px) {
            .category-hero {
                padding: 120px 0 56px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .stat-badge {
                padding: 16px 10px;
            }
            .stat-badge .num {
                font-size: 28px;
            }
            .stat-badge .label {
                font-size: 11px;
            }
        }

        /* ===== Security Grid ===== */
        .security-grid-section {
            background: var(--bg-page);
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .security-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .security-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.7;
        }

        .security-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 160, 0.25);
        }

        .security-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(0, 229, 160, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .security-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .security-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media screen and (max-width: 1024px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 560px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Value Block ===== */
        .value-section {
            background: rgba(15, 22, 30, 0.4);
            position: relative;
        }

        .value-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 90px;
        }

        .value-row:last-child {
            margin-bottom: 0;
        }

        .value-row.reverse .value-img {
            order: 2;
        }

        .value-row.reverse .value-content {
            order: 1;
        }

        .value-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
        }

        .value-img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }

        .value-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 12, 18, 0.5));
            border-radius: var(--radius-card);
        }

        .value-content .tag-badge {
            display: inline-block;
            background: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .value-content h3 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .value-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .value-list {
            margin-top: 8px;
        }

        .value-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text-main);
            font-size: 15px;
        }

        .value-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 14px;
        }

        @media screen and (max-width: 1024px) {
            .value-row {
                grid-template-columns: 1fr;
                gap: 36px;
                margin-bottom: 64px;
            }
            .value-row.reverse .value-img {
                order: 1;
            }
            .value-row.reverse .value-content {
                order: 2;
            }
            .value-img img {
                height: 280px;
            }
        }

        @media screen and (max-width: 640px) {
            .value-content h3 {
                font-size: 22px;
            }
            .value-img img {
                height: 220px;
            }
            .value-row {
                gap: 24px;
                margin-bottom: 48px;
            }
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-page);
            position: relative;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.2), transparent);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .process-step {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 34px 26px;
            border-top: 2px solid rgba(0, 229, 160, 0.4);
            transition: var(--transition);
        }

        .process-step:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-num {
            font-family: 'Rajdhani', 'DIN Alternate', 'Bahnschrift', sans-serif;
            font-size: 34px;
            font-weight: 800;
            color: transparent;
            -webkit-background-clip: text;
            background-image: linear-gradient(var(--gradient-warm));
            line-height: 1;
            margin-bottom: 14px;
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .process-arrow {
            position: absolute;
            right: -22px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 16px;
            opacity: 0.5;
            z-index: 2;
        }

        @media screen and (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-arrow {
                display: none;
            }
        }

        @media screen and (max-width: 560px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Hot Block ===== */
        .hot-section {
            background: rgba(15, 22, 30, 0.35);
        }

        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .hot-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .hot-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 160, 0.2);
            background: var(--bg-card-hover);
        }

        .hot-card .hot-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: 0;
        }

        .hot-card .hot-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-card .hot-tag {
            display: inline-block;
            align-self: flex-start;
            background: rgba(0, 229, 160, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .hot-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .hot-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .hot-card .hot-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: var(--transition);
        }

        .hot-card .hot-link i {
            font-size: 11px;
            transition: transform 0.25s ease;
        }

        .hot-card .hot-link:hover i {
            transform: translateX(4px);
        }

        @media screen and (max-width: 1024px) {
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 640px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-page);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            padding: 0;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item.active {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 160, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-item.active .faq-question {
            color: var(--primary);
        }

        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
            background: rgba(0, 229, 160, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(.4, 0, .2, 1);
        }

        .faq-answer-inner {
            padding: 0 26px 24px;
            border-left: 2px solid;
            border-image: linear-gradient(180deg, var(--primary), rgba(0, 229, 160, 0.2)) 1;
            margin: 0 26px 24px;
            padding-left: 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        @media screen and (max-width: 900px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        @media screen and (max-width: 640px) {
            .faq-question {
                font-size: 14px;
                padding: 18px 18px;
            }
            .faq-answer-inner {
                font-size: 13px;
                margin: 0 18px 18px;
                padding-left: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-block {
            position: relative;
            background: linear-gradient(135deg, #00E5A0, #00A8E0, #2563EB);
            padding: 0;
            overflow: hidden;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 80px 0;
            position: relative;
            z-index: 2;
        }

        .cta-copy h2 {
            font-size: 38px;
            font-weight: 800;
            color: #04080D;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .cta-copy p {
            font-size: 16px;
            color: rgba(4, 8, 13, 0.75);
            max-width: 460px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .cta-btn-solid {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 30px;
            border-radius: var(--radius-btn);
            background: #04080D;
            color: #ffffff;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
        }

        .cta-btn-solid:hover {
            background: #0d1a22;
            color: var(--primary);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            transform: translateY(-2px);
        }

        .cta-btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 30px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(4, 8, 13, 0.5);
            color: #04080D;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            background: transparent;
        }

        .cta-btn-ghost:hover {
            background: rgba(4, 8, 13, 0.1);
            color: #04080D;
            border-color: #04080D;
        }

        .cta-form {
            background: rgba(7, 12, 18, 0.65);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 20px;
            padding: 34px 30px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .cta-form .form-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 22px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 44px;
            background: rgba(15, 22, 30, 0.9);
            border: 1px solid #24303B;
            border-radius: 10px;
            padding: 0 14px;
            color: var(--text-main);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
        }

        .form-group input::placeholder,
        .form-group select {
            color: var(--text-helper);
        }

        .cta-form .submit-btn {
            width: 100%;
            height: 46px;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--primary), #00A8E0);
            color: #04080D;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 6px;
        }

        .cta-form .submit-btn:hover {
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.4);
            transform: translateY(-1px);
        }

        @media screen and (max-width: 1024px) {
            .cta-inner {
                grid-template-columns: 1fr;
                padding: 56px 0;
                gap: 36px;
            }
            .cta-copy h2 {
                font-size: 30px;
            }
        }

        @media screen and (max-width: 640px) {
            .cta-copy h2 {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-btn-solid,
            .cta-btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #05080C;
            padding: 70px 0 30px;
            border-top: 2px solid;
            border-image: linear-gradient(90deg, transparent, var(--primary), transparent) 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-helper);
            line-height: 1.7;
            max-width: 320px;
            margin-top: 12px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--primary);
            text-shadow: 0 0 10px rgba(0, 229, 160, 0.3);
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--bg-card);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .footer-social a:hover {
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 0 14px rgba(0, 229, 160, 0.25);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .copyright {
            font-size: 13px;
            color: var(--text-helper);
        }

        .footer-bottom p:last-child {
            font-size: 13px;
            color: var(--text-helper);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media screen and (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Responsive Nav ===== */
        @media screen and (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(7, 12, 18, 0.97);
                backdrop-filter: blur(14px);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 2px solid var(--primary);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-menu a {
                width: 100%;
                padding: 14px 4px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-cta .btn-primary span {
                display: none;
            }

            .header-cta .btn-primary {
                width: 44px;
                padding: 0;
            }
        }

        @media screen and (max-width: 480px) {
            .header-inner {
                padding: 0 16px;
            }

            .brand-text {
                font-size: 17px;
            }

            .brand-text span {
                font-size: 15px;
            }
        }
