/* roulang page: index */
:root {
    --primary: #f43f2e;
    --primary-dark: #d92e1e;
    --secondary: #ffb020;
    --bg-dark: #0c111a;
    --bg-card: #141c2b;
    --bg-soft: #1d2838;
    --text-main: #eaeef4;
    --text-muted: #8b98ac;
    --border-color: #243247;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
button {
    cursor: pointer;
    border: none;
    background: none;
    font: inherit;
}
input {
    font: inherit;
}
.container-custom {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(12, 17, 26, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}
.nav-brand {
    font-size: 23px;
    font-weight: 800;
    letter-spacing: 0.01em;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}
.channel-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 10px;
}
.channel-nav::-webkit-scrollbar {
    display: none;
}
.channel-link {
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
    border: 1px solid transparent;
    transition: var(--transition);
}
.channel-link:hover {
    color: var(--text-main);
    border-color: var(--border-color);
    background: rgba(244, 63, 46, 0.08);
}
.channel-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(244, 63, 46, 0.35);
}
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    isolation: isolate;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(12, 17, 26, 0.96) 10%, rgba(12, 17, 26, 0.82) 42%, rgba(12, 17, 26, 0.45) 100%);
    z-index: -1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(244, 63, 46, 0.16);
    border: 1px solid rgba(244, 63, 46, 0.35);
    color: var(--secondary);
    font-size: 13px;
    font-weight: 500;
}
.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    position: relative;
}
.live-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(244, 63, 46, 0.4);
    animation: ping 1.6s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes ping {
    75%, 100% {
        transform: scale(1.8);
        opacity: 0;
    }
}
.hero-title {
    font-size: clamp(32px, 4.6vw, 54px);
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: -0.02em;
}
.hero-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 560px;
    line-height: 1.8;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-lg {
    padding: 14px 36px;
    font-size: 16px;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: 0 4px 22px rgba(244, 63, 46, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(244, 63, 46, 0.48);
}
.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    background: rgba(244, 63, 46, 0.06);
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    border-color: rgba(244, 63, 46, 0.5);
    box-shadow: var(--shadow);
}
.feature-card {
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: var(--transition);
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(244, 63, 46, 0.12);
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 18px;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
}
.section-title {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.01em;
}
.section-desc {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 640px;
    line-height: 1.8;
}
.category-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: block;
    min-height: 260px;
}
.category-card:hover {
    transform: translateY(-6px);
    border-color: rgba(244, 63, 46, 0.5);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.55);
}
.category-card img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.category-card:hover img {
    transform: scale(1.06);
}
.category-card-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 64px 26px 22px;
    background: linear-gradient(transparent, rgba(12, 17, 26, 0.96) 70%);
}
.category-card-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 4px;
}
.category-card-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}
.timeline {
    position: relative;
    padding-left: 34px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary), rgba(255, 176, 32, 0.2));
}
.timeline-item {
    position: relative;
    padding: 14px 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 22px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid var(--bg-dark);
    box-shadow: 0 0 0 3px rgba(244, 63, 46, 0.3);
}
.timeline-step {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--secondary);
    text-transform: uppercase;
    margin-bottom: 2px;
}
.hud-panel {
    background: linear-gradient(145deg, #101827, #0b1120);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: 0 0 60px rgba(244, 63, 46, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    padding: 36px;
    position: relative;
    overflow: hidden;
}
.hud-panel::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(244, 63, 46, 0.18), transparent 70%);
    pointer-events: none;
}
.stat-number {
    font-size: 40px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}
.hot-match-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}
.hot-match-row:hover {
    background: rgba(244, 63, 46, 0.06);
    border-color: rgba(244, 63, 46, 0.25);
    transform: translateX(4px);
}
.hot-match-rank {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    background: rgba(244, 63, 46, 0.15);
    color: var(--primary);
    flex-shrink: 0;
}
.post-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 15px 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.post-item:hover {
    border-color: rgba(244, 63, 46, 0.4);
    transform: translateX(4px);
    background: rgba(244, 63, 46, 0.04);
}
.post-cat {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 600;
    color: var(--secondary);
    background: rgba(255, 176, 32, 0.1);
    padding: 3px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 176, 32, 0.2);
}
.post-title {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.post-date {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-muted);
}
.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    transition: var(--transition);
}
.faq-item[open] {
    border-color: rgba(244, 63, 46, 0.4);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}
.faq-item summary {
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '+';
    font-size: 22px;
    color: var(--primary);
    transition: transform 0.3s;
    line-height: 1;
}
.faq-item[open] summary::after {
    transform: rotate(45deg);
}
.faq-content {
    padding: 0 24px 20px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}
.cta-section {
    position: relative;
    background: url('/assets/images/backpic/back-2.png') center/cover fixed;
    padding: 90px 0;
    isolation: isolate;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 17, 26, 0.88);
    z-index: -1;
}
.cta-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(244, 63, 46, 0.12), transparent 65%);
    z-index: -1;
}
.site-footer {
    border-top: 1px solid var(--border-color);
    background: #080d14;
    padding: 60px 0 28px;
}
.footer-link {
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}
.footer-link:hover {
    color: var(--primary);
}
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 3px 3px 3px 16px;
    width: 220px;
    transition: var(--transition);
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(244, 63, 46, 0.15);
}
.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 13px;
    width: 100%;
}
.search-box input::placeholder {
    color: var(--text-muted);
}
.search-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    align-items: center;
    justify-content: center;
    font-size: 17px;
    transition: var(--transition);
}
.mobile-menu-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.mobile-drawer {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(12, 17, 26, 0.98);
    padding: 90px 28px 40px;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(20px);
}
.mobile-drawer.open {
    opacity: 1;
    pointer-events: auto;
}
.mobile-drawer a {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    text-align: center;
}
.mobile-drawer a:hover,
.mobile-drawer a.active {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(244, 63, 46, 0.08);
}
.mobile-drawer-close {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}
.btn:focus-visible,
.channel-link:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}
.deco-line {
    width: 48px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.brand-footer {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
@media (max-width: 1024px) {
    .hero {
        min-height: 520px;
    }
    .search-box {
        display: none;
    }
}
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    .channel-nav {
        display: none;
    }
    .container-custom {
        padding: 0 20px;
    }
    .hero {
        min-height: 460px;
    }
    .stat-number {
        font-size: 30px;
    }
    .hud-panel {
        padding: 24px;
    }
    .post-title {
        font-size: 14px;
    }
}
@media (max-width: 520px) {
    .container-custom {
        padding: 0 16px;
    }
    .hero {
        min-height: 420px;
    }
    .hero-title {
        font-size: 28px;
    }
    .feature-card {
        padding: 24px 20px;
    }
    .category-card img {
        height: 200px;
    }
    .category-card {
        min-height: 200px;
    }
    .post-date {
        display: none;
    }
    .post-item {
        gap: 12px;
        padding: 12px 14px;
    }
    .btn-lg {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* roulang page: article */
:root {
    --bg: #0b0f17;
    --bg-soft: #0f1520;
    --bg-card: #131a26;
    --bg-elevated: #182233;
    --border: #1e2a3a;
    --border-light: #243349;
    --text-primary: #eaeef4;
    --text-body: #c2ccd8;
    --text-dim: #8b98ac;
    --primary: #00e5a0;
    --primary-dark: #00b87e;
    --secondary: #00c2ff;
    --accent: #ffd166;
    --danger: #ff5c5c;
    --radius: 0.875rem;
    --radius-sm: 0.5rem;
    --radius-lg: 1.25rem;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 12px 40px rgba(0, 229, 160, 0.12);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}
.container-custom {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}
@media (max-width: 640px) {
    .container-custom {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ===== Header ===== */
.site-header {
    background: rgba(11, 15, 23, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
    gap: 1.25rem;
}
.brand-logo {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
}
.brand-logo:hover {
    color: var(--primary);
}
.brand-logo .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: #0b0f17;
    flex-shrink: 0;
}
.header-search {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.4rem 0.4rem 0.4rem 1rem;
    width: 260px;
    transition: var(--transition);
}
.header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.15);
}
.header-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 100%;
}
.header-search input::placeholder {
    color: var(--text-dim);
}
.header-search button {
    background: var(--primary);
    border: none;
    color: #0b0f17;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}
.header-search button:hover {
    background: var(--secondary);
    transform: scale(1.05);
}
.channel-bar {
    border-top: 1px solid var(--border);
    background: rgba(15, 21, 32, 0.85);
}
.channel-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar {
    display: none;
}
.channel-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--text-dim);
    white-space: nowrap;
    transition: var(--transition);
    border: 1px solid transparent;
}
.channel-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
}
.channel-link.active {
    color: #0b0f17;
    background: var(--primary);
    font-weight: 700;
}
.channel-link.active:hover {
    color: #0b0f17;
    background: var(--primary-dark);
}
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        gap: 0.75rem;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }
    .header-search {
        width: 100%;
    }
    .channel-link {
        padding: 0.45rem 1rem;
        font-size: 0.85rem;
    }
}

/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 5rem 0 4rem;
}
.article-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 15, 23, 0.7) 0%, rgba(11, 15, 23, 0.9) 100%);
    z-index: 1;
}
.article-hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
}
.article-hero-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    background: rgba(0, 229, 160, 0.12);
    color: var(--primary);
    border: 1px solid rgba(0, 229, 160, 0.3);
    letter-spacing: 0.02em;
}
.badge-secondary {
    background: rgba(0, 194, 255, 0.12);
    color: var(--secondary);
    border: 1px solid rgba(0, 194, 255, 0.3);
}
.article-hero-title {
    font-size: clamp(1.75rem, 4vw, 2.7rem);
    font-weight: 800;
    line-height: 1.28;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
.article-hero-desc {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-dim);
    max-width: 720px;
}
.article-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.article-hero-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-dim);
}
.article-hero-meta .meta-item i {
    color: var(--primary);
    font-size: 0.85rem;
}
@media (max-width: 640px) {
    .article-hero {
        padding: 3rem 0 2.5rem;
    }
    .article-hero-desc {
        font-size: 1rem;
    }
}

/* ===== Article Main Layout ===== */
.article-main {
    padding: 3.5rem 0 5rem;
    background: var(--bg);
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 3rem;
    align-items: start;
}
.article-content-col {
    min-width: 0;
}
.article-body-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}
.article-body {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--text-body);
}
.article-body > * + * {
    margin-top: 1.25rem;
}
.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    padding-left: 0.75rem;
    border-left: 3px solid var(--primary);
}
.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}
.article-body p {
    margin-bottom: 1.25rem;
    line-height: 1.9;
}
.article-body img {
    border-radius: var(--radius);
    margin: 1.75rem 0;
    box-shadow: var(--shadow);
}
.article-body ul, .article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}
.article-body ul {
    list-style: disc;
}
.article-body ol {
    list-style: decimal;
}
.article-body li {
    margin-bottom: 0.5rem;
    padding-left: 0.25rem;
}
.article-body li::marker {
    color: var(--primary);
}
.article-body blockquote {
    border-left: 3px solid var(--primary);
    background: rgba(0, 229, 160, 0.05);
    padding: 1rem 1.25rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-body);
    font-style: italic;
    margin: 1.75rem 0;
}
.article-body blockquote p {
    margin-bottom: 0;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: var(--transition);
}
.article-body a:hover {
    color: var(--secondary);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.75rem 0;
    font-size: 0.95rem;
}
.article-body table th,
.article-body table td {
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    text-align: left;
}
.article-body table th {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-primary);
}
.article-body code {
    background: rgba(0, 194, 255, 0.1);
    color: var(--secondary);
    padding: 0.2rem 0.45rem;
    border-radius: 0.375rem;
    font-size: 0.9em;
}
.article-body pre {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 1.75rem 0;
}
.article-body pre code {
    background: none;
    padding: 0;
    color: var(--text-body);
}
.not-found-box {
    text-align: center;
    padding: 4rem 2rem;
}
.not-found-box .nf-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}
.not-found-box h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}
.not-found-box p {
    color: var(--text-dim);
    margin-bottom: 2rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}
.btn-primary {
    background: var(--primary);
    color: #0b0f17;
}
.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 194, 255, 0.2);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: rgba(0, 229, 160, 0.1);
    transform: translateY(-2px);
}
.article-footer-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border);
}
.article-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--text-dim);
    transition: var(--transition);
}
.article-back-link:hover {
    color: var(--primary);
    gap: 0.75rem;
}
.article-share {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.share-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.875rem;
    transition: var(--transition);
}
.share-icon-btn:hover {
    background: var(--primary);
    color: #0b0f17;
    border-color: var(--primary);
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .article-body-wrap {
        padding: 1.5rem;
    }
    .article-footer-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 120px;
}
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
}
.sidebar-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}
.sidebar-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar-card-title i {
    color: var(--primary);
}
.sidebar-info-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.sidebar-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.sidebar-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.sidebar-info-item .label {
    color: var(--text-dim);
}
.sidebar-info-item .value {
    color: var(--text-primary);
    font-weight: 600;
    text-align: right;
}
.sidebar-cat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    margin-bottom: 0.625rem;
    transition: var(--transition);
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--text-body);
}
.sidebar-cat-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateX(4px);
}
.sidebar-cat-link i {
    font-size: 0.8rem;
    opacity: 0.8;
}
.sidebar-rec-item {
    display: flex;
    gap: 0.875rem;
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}
.sidebar-rec-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.sidebar-rec-item:hover .sidebar-rec-title {
    color: var(--primary);
}
.sidebar-rec-thumb {
    width: 64px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.sidebar-rec-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-body);
    line-height: 1.5;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1rem;
    }
}
@media (max-width: 640px) {
    .article-sidebar {
        grid-template-columns: 1fr;
    }
}

/* ===== Section Shared ===== */
.section-pad {
    padding: 4.5rem 0;
}
.section-head {
    margin-bottom: 2.5rem;
}
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    margin-bottom: 0.625rem;
}
.section-title {
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
    letter-spacing: -0.01em;
}
.section-desc {
    font-size: 1rem;
    color: var(--text-dim);
    margin-top: 0.75rem;
    max-width: 620px;
    line-height: 1.7;
}

/* ===== Related Cards ===== */
.related-section {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 4.5rem 0;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 229, 160, 0.4);
    box-shadow: var(--shadow-hover);
}
.related-card-img {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.related-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(11, 15, 23, 0.9) 100%);
}
.related-card-cat {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 2;
    background: rgba(11, 15, 23, 0.8);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(0, 229, 160, 0.3);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}
.related-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.related-card-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card:hover .related-card-title {
    color: var(--primary);
}
.related-card-text {
    font-size: 0.875rem;
    color: var(--text-dim);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}
.related-card-link:hover {
    gap: 0.75rem;
    color: var(--secondary);
}
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 640px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
    .related-section {
        padding: 3rem 0;
    }
}

/* ===== FAQ Section ===== */
.faq-section {
    padding: 4.5rem 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2.5rem;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: rgba(0, 229, 160, 0.3);
    box-shadow: var(--shadow);
}
.faq-question {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}
.faq-question i {
    color: var(--primary);
    margin-top: 0.2rem;
    flex-shrink: 0;
}
.faq-answer {
    font-size: 0.9375rem;
    color: var(--text-dim);
    line-height: 1.7;
    padding-left: 1.75rem;
}
@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .faq-section {
        padding: 3rem 0;
    }
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 4.5rem 0;
}
.cta-card {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 3.5rem 3rem;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    text-align: center;
}
.cta-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 15, 23, 0.92), rgba(0, 229, 160, 0.15));
    z-index: 1;
}
.cta-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
    margin: 0 auto;
}
.cta-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.35;
}
.cta-desc {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    line-height: 1.7;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}
@media (max-width: 640px) {
    .cta-section {
        padding: 3rem 0;
    }
    .cta-card {
        padding: 2.5rem 1.25rem;
    }
    .cta-buttons {
        flex-direction: column;
    }
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ===== Footer ===== */
.site-footer {
    background: #080c12;
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}
.brand-footer {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.brand-footer:hover {
    color: var(--primary);
}
.footer-link {
    font-size: 0.925rem;
    color: var(--text-dim);
    transition: var(--transition);
    padding: 0.25rem 0;
}
.footer-link:hover {
    color: var(--primary);
    padding-left: 4px;
}
.site-footer h3 {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
}
@media (max-width: 640px) {
    .site-footer {
        padding: 3rem 0 1.5rem;
    }
}

/* ===== Utility ===== */
.text-primary-custom { color: var(--primary); }
.text-secondary-custom { color: var(--secondary); }
.bg-card-custom { background: var(--bg-card); }
.border-custom { border-color: var(--border); }
.hover-lift {
    transition: var(--transition);
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}
::selection {
    background: rgba(0, 229, 160, 0.25);
    color: var(--text-primary);
}

/* roulang page: category1 */
:root {
    --bg-primary: #0a0f1f;
    --bg-secondary: #0e1628;
    --bg-card: rgba(18, 30, 52, 0.78);
    --bg-elevated: #16223a;
    --bg-hover: #1d2c48;
    --border-color: #1e2b45;
    --border-light: #2d3f5e;
    --text-primary: #eaeef4;
    --text-secondary: #a3b0c3;
    --text-muted: #63748d;
    --accent-primary: #6366f1;
    --accent-secondary: #22d3ee;
    --accent-gold: #f59e0b;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.55);
    --transition: all 0.28s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container-custom {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 31, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    transition: var(--transition);
}

.brand-logo:hover {
    color: var(--accent-secondary);
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-size: 1.05rem;
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-link {
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.header-link:hover {
    color: var(--accent-secondary);
}

/* Channel Nav */
.channel-bar {
    border-top: 1px solid rgba(30, 43, 69, 0.6);
    background: rgba(12, 18, 34, 0.6);
}

.channel-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none;
}

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

.channel-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 999px;
    white-space: nowrap;
    transition: var(--transition);
}

.channel-link:hover {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.12);
}

.channel-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
    box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.4;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
}

.btn-primary:focus-visible {
    outline: 3px solid rgba(99, 102, 241, 0.5);
    outline-offset: 3px;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
}

.btn-ghost:focus-visible {
    outline: 3px solid rgba(34, 211, 238, 0.4);
    outline-offset: 3px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.05rem;
}

/* ===== Page Hero ===== */
.page-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 90px 0 70px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 15, 31, 0.7) 0%, rgba(10, 15, 31, 0.88) 60%, var(--bg-primary) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent-secondary);
}

.breadcrumb .sep {
    color: var(--text-muted);
    opacity: 0.6;
}

.breadcrumb .current {
    color: var(--accent-secondary);
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}

.hero-title .gradient-text {
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    font-size: 1.12rem;
    color: var(--text-secondary);
    max-width: 620px;
    line-height: 1.75;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 42px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 700px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-3px);
}

.stat-num {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--accent-secondary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== Section ===== */
.section {
    padding: 80px 0;
    position: relative;
}

.section-alt {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}

.section-head p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.card-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.card-cover .cover-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(10, 15, 31, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 1.14rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.card-body p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
    flex: 1;
}

.card-body .card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-body .card-meta i {
    color: var(--accent-secondary);
    margin-right: 5px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-secondary);
    font-weight: 600;
    font-size: 0.86rem;
    margin-top: 16px;
    transition: var(--transition);
}

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

/* ===== Route / Steps ===== */
.route-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: route;
}

.route-item {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px 28px;
    transition: var(--transition);
}

.route-item:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.route-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(34, 211, 238, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.35);
    color: var(--accent-secondary);
    font-weight: 800;
    font-size: 1.15rem;
    margin-bottom: 20px;
}

.route-item h3 {
    font-size: 1.08rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.route-item p {
    color: var(--text-secondary);
    font-size: 0.87rem;
    line-height: 1.65;
}

.route-item .route-icon {
    position: absolute;
    top: 28px;
    right: 24px;
    color: rgba(255, 255, 255, 0.07);
    font-size: 2.4rem;
}

/* ===== Platform Compare ===== */
.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.platform-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.platform-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    font-size: 1.3rem;
    margin-bottom: 20px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--accent-secondary);
}

.platform-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.platform-card .platform-desc {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 20px;
    flex: 1;
}

.platform-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.platform-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.platform-list li i {
    color: var(--success);
    margin-top: 4px;
    font-size: 0.8rem;
}

/* ===== Gear Panel ===== */
.gear-panel {
    position: relative;
    background: linear-gradient(145deg, rgba(20, 32, 54, 0.95), rgba(13, 20, 36, 0.98));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 50px;
    overflow: hidden;
}

.gear-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 80% 10%, rgba(99, 102, 241, 0.15), transparent 45%),
        radial-gradient(circle at 10% 90%, rgba(34, 211, 238, 0.1), transparent 40%);
    pointer-events: none;
}

.gear-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gear-col {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}

.gear-col:hover {
    border-color: var(--border-light);
    background: rgba(255, 255, 255, 0.055);
}

.gear-level {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--accent-gold);
    text-transform: uppercase;
    margin-bottom: 14px;
}

.gear-col h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 14px;
}

.gear-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gear-col ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.gear-col ul li i {
    color: var(--accent-secondary);
    margin-top: 4px;
    font-size: 0.82rem;
}

.gear-note {
    position: relative;
    margin-top: 32px;
    padding: 18px 24px;
    border-radius: var(--radius-md);
    background: rgba(245, 158, 11, 0.07);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #fcd34d;
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--border-light);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 26px;
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    list-style: none;
    transition: var(--transition);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-secondary);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item[open] summary .faq-icon {
    transform: rotate(45deg);
    background: rgba(99, 102, 241, 0.35);
}

.faq-item[open] summary {
    border-bottom: 1px solid var(--border-color);
}

.faq-answer {
    padding: 16px 26px 22px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
}

.cta-panel {
    position: relative;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(34, 211, 238, 0.08));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 60px 50px;
    text-align: center;
    overflow: hidden;
}

.cta-panel::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
    top: -100px;
    right: -80px;
    pointer-events: none;
}

.cta-panel h2 {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-panel p {
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 32px;
    font-size: 1rem;
    line-height: 1.7;
    position: relative;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
}

/* ===== Footer ===== */
.site-footer {
    background: #0b1222;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.brand-footer {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: var(--transition);
}

.brand-footer:hover {
    color: var(--accent-secondary);
}

.footer-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-secondary);
    padding-left: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.3rem;
    }

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

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

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

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

    .header-top {
        height: 60px;
    }

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

    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

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

    .section {
        padding: 60px 0;
    }

    .section-head h2 {
        font-size: 1.6rem;
    }

    .hero-title {
        font-size: 1.9rem;
    }

    .hero-sub {
        font-size: 1rem;
    }

    .page-hero {
        padding: 60px 0 50px;
    }

    .card-body {
        padding: 20px;
    }

    .route-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .route-item {
        padding: 24px 18px;
    }

    .platform-card {
        padding: 24px 20px;
    }

    .gear-panel {
        padding: 30px 22px;
    }

    .cta-panel {
        padding: 40px 24px;
    }

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

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

    .channel-link {
        padding: 7px 14px;
        font-size: 0.84rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-item {
        padding: 14px 12px;
    }

    .stat-num {
        font-size: 1.3rem;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .section-head h2 {
        font-size: 1.4rem;
    }

    .hero-title {
        font-size: 1.65rem;
    }
}

/* roulang page: category2 */
:root {
  --color-primary: #f59e0b;
  --color-primary-light: #fbbf24;
  --color-accent: #22d3ee;
  --color-bg: #0b0f1a;
  --color-surface: #111a2c;
  --color-surface-light: #16213a;
  --color-border: #1a2438;
  --color-text: #eaeef4;
  --color-muted: #8b98ac;
  --radius: 1rem;
  --radius-lg: 1.4rem;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; background: var(--color-bg); color: var(--color-text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

.container-custom { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 15, 26, 0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(26, 36, 56, 0.8); }
.header-top { padding: 0.85rem 0; }
.header-flex { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand-logo { display: flex; align-items: center; gap: 0.65rem; transition: opacity 0.2s; }
.brand-logo:hover { opacity: 0.88; }
.brand-icon { width: 42px; height: 42px; border-radius: 13px; background: linear-gradient(135deg, #fcd34d, #f59e0b 60%, #d97706); display: flex; align-items: center; justify-content: center; color: #0b0f1a; font-size: 1.15rem; box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35); flex-shrink: 0; }
.brand-text { font-size: 1.28rem; font-weight: 800; letter-spacing: 0.01em; white-space: nowrap; }
.header-controls { display: flex; align-items: center; gap: 0.75rem; }
.header-nav { border-top: 1px solid rgba(26, 36, 56, 0.55); }

.channel-nav { display: flex; align-items: center; gap: 0.4rem; overflow-x: auto; padding: 0.55rem 0; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 1.15rem; border-radius: 999px; font-size: 0.875rem; font-weight: 600; color: #8b98ac; white-space: nowrap; border: 1px solid transparent; transition: var(--transition); }
.channel-link:hover { color: #eaeef4; background: rgba(245, 158, 11, 0.08); border-color: rgba(245, 158, 11, 0.22); }
.channel-link.active { color: #0b0f1a; background: linear-gradient(135deg, #fcd34d, #f59e0b); box-shadow: 0 4px 16px rgba(245, 158, 11, 0.32); font-weight: 700; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem; padding: 0.7rem 1.55rem; border-radius: 12px; font-size: 0.9rem; font-weight: 700; border: 1px solid transparent; cursor: pointer; transition: var(--transition); line-height: 1.4; }
.btn:focus-visible { outline: 3px solid rgba(245, 158, 11, 0.5); outline-offset: 2px; }
.btn-brand { background: linear-gradient(135deg, #fcd34d, #f59e0b 70%, #e08b00); color: #0b0f1a; box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3); }
.btn-brand:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45); }
.btn-brand:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); color: #eaeef4; border-color: #2a3854; }
.btn-ghost:hover { border-color: #f59e0b; color: #fbbf24; background: rgba(245, 158, 11, 0.07); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn-sm { padding: 0.5rem 1.1rem; font-size: 0.82rem; border-radius: 10px; }

/* Hero */
.category-hero { position: relative; padding: 5.5rem 0 4.5rem; background-size: cover; background-position: center; }
.category-hero .hero-content { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.4rem 1rem; border-radius: 999px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; color: #fbbf24; background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3); }
.hero-title { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 900; line-height: 1.14; letter-spacing: -0.01em; margin: 1.2rem 0 1rem; }
.hero-title .accent-text { color: transparent; background: linear-gradient(90deg, #fcd34d, #f59e0b, #fbbf24); -webkit-background-clip: text; background-clip: text; }
.hero-desc { font-size: 1.05rem; color: #a7b3c5; max-width: 560px; margin-bottom: 1.8rem; line-height: 1.75; }

/* Section base */
.section-block { padding: 4.5rem 0; }
.section-head { margin-bottom: 2.5rem; }
.section-label { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #f59e0b; margin-bottom: 0.6rem; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; line-height: 1.25; }
.section-desc { color: #8b98ac; margin-top: 0.6rem; max-width: 650px; font-size: 0.96rem; }

/* Cards */
.tip-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--color-surface); border: 1px solid var(--color-border); transition: var(--transition); display: flex; flex-direction: column; }
.tip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(245, 158, 11, 0.35); }
.tip-card-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.tip-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.tip-card:hover .tip-card-media img { transform: scale(1.06); }
.tip-card-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11, 15, 26, 0.7), transparent 55%); }
.tip-card-tag { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; padding: 0.25rem 0.75rem; border-radius: 8px; font-size: 0.72rem; font-weight: 700; background: rgba(245, 158, 11, 0.92); color: #0b0f1a; }
.tip-card-body { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; gap: 0.5rem; }
.tip-card-title { font-size: 1.08rem; font-weight: 700; line-height: 1.4; }
.tip-card-desc { font-size: 0.88rem; color: #8b98ac; line-height: 1.65; flex: 1; }
.tip-card-meta { display: flex; align-items: center; gap: 0.6rem; font-size: 0.78rem; color: #5a6a7e; padding-top: 0.6rem; border-top: 1px solid rgba(26, 36, 56, 0.6); }

/* HUD Panel */
.hud-panel { position: relative; border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(17, 26, 44, 0.95), rgba(11, 15, 26, 0.98)); border: 1px solid rgba(245, 158, 11, 0.18); padding: 2.5rem 2rem; overflow: hidden; }
.hud-panel::before, .hud-panel::after { content: ''; position: absolute; width: 40px; height: 40px; border: 2px solid rgba(245, 158, 11, 0.5); border-radius: 4px; }
.hud-panel::before { top: 12px; left: 12px; border-right: transparent; border-bottom: transparent; }
.hud-panel::after { bottom: 12px; right: 12px; border-left: transparent; border-top: transparent; }
.hud-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; z-index: 1; }
.hud-item { text-align: center; padding: 1.2rem 0.6rem; border-radius: 1rem; background: rgba(255, 255, 255, 0.02); border: 1px solid rgba(26, 36, 56, 0.7); transition: var(--transition); }
.hud-item:hover { background: rgba(245, 158, 11, 0.05); border-color: rgba(245, 158, 11, 0.3); }
.hud-icon { width: 48px; height: 48px; margin: 0 auto 0.75rem; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: rgba(245, 158, 11, 0.1); color: #fbbf24; font-size: 1.2rem; }
.hud-value { font-size: 2rem; font-weight: 900; line-height: 1.1; background: linear-gradient(180deg, #fcd34d, #f59e0b); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hud-label { font-size: 0.82rem; color: #8b98ac; margin-top: 0.3rem; font-weight: 500; }

/* Article list */
.article-list { display: flex; flex-direction: column; }
.article-row { display: flex; align-items: center; gap: 1.4rem; padding: 1.25rem 1.2rem; border-radius: 1rem; border: 1px solid transparent; transition: var(--transition); cursor: pointer; }
.article-row:hover { background: rgba(255, 255, 255, 0.03); border-color: rgba(245, 158, 11, 0.25); transform: translateX(6px); }
.article-num { font-size: 1.5rem; font-weight: 900; color: rgba(245, 158, 11, 0.35); font-style: italic; min-width: 50px; text-align: center; }
.article-info { flex: 1; min-width: 0; }
.article-title { font-size: 1rem; font-weight: 700; line-height: 1.4; transition: color 0.2s; }
.article-row:hover .article-title { color: #fbbf24; }
.article-excerpt { font-size: 0.84rem; color: #8b98ac; margin-top: 0.2rem; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.article-date { font-size: 0.78rem; color: #5a6a7e; white-space: nowrap; display: flex; align-items: center; gap: 0.4rem; }
.article-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.22rem 0.7rem; border-radius: 999px; font-size: 0.72rem; font-weight: 600; background: rgba(34, 211, 238, 0.08); color: #67e8f9; border: 1px solid rgba(34, 211, 238, 0.18); }
.tag-amber { background: rgba(245, 158, 11, 0.08); color: #fbbf24; border-color: rgba(245, 158, 11, 0.18); }

/* Timeline */
.path-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; }
.path-grid::before { content: ''; position: absolute; top: 32px; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg, rgba(245,158,11,0.1), rgba(245,158,11,0.5), rgba(34,211,238,0.5), rgba(34,211,238,0.1)); border-radius: 2px; }
.path-step { position: relative; text-align: center; padding: 0 0.3rem; }
.path-dot { width: 64px; height: 64px; margin: 0 auto 1rem; border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 900; color: #0b0f1a; background: linear-gradient(135deg, #fcd34d, #f59e0b); box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.12), 0 8px 20px rgba(245, 158, 11, 0.25); position: relative; z-index: 1; }
.path-step:nth-child(even) .path-dot { background: linear-gradient(135deg, #67e8f9, #22d3ee); box-shadow: 0 0 0 5px rgba(34, 211, 238, 0.12), 0 8px 20px rgba(34, 211, 238, 0.25); }
.path-step-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }
.path-step-desc { font-size: 0.83rem; color: #8b98ac; line-height: 1.6; }

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 1rem; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(245, 158, 11, 0.25); }
.faq-item summary { padding: 1.15rem 1.4rem; font-size: 0.95rem; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.8rem; color: #f59e0b; transition: transform 0.3s; flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 1.4rem 1.2rem; font-size: 0.88rem; color: #8b98ac; line-height: 1.7; }

/* CTA */
.cta-panel { position: relative; border-radius: 1.6rem; overflow: hidden; background-size: cover; background-position: center; }
.cta-panel .cta-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,15,26,0.95), rgba(11,15,26,0.78), rgba(11,15,26,0.55)); }
.cta-content { position: relative; z-index: 2; padding: 3.5rem 3rem; }
.cta-title { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800; line-height: 1.3; }

/* Footer */
.site-footer { background: #0d1220; border-top: 1px solid #1a2438; padding-top: 4rem; padding-bottom: 2rem; margin-top: 2rem; }
.brand-footer { font-size: 1.2rem; font-weight: 800; color: #eaeef4; display: inline-flex; align-items: center; gap: 0.5rem; }
.footer-link { color: #8b98ac; font-size: 0.88rem; transition: var(--transition); }
.footer-link:hover { color: #fbbf24; transform: translateX(3px); }

/* Decorative bg */
.grid-texture { background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 24px 24px; }

@media (max-width: 768px) {
  .section-block { padding: 3rem 0; }
  .category-hero { padding: 3.5rem 0 3rem; }
  .hud-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .path-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem 1.2rem; }
  .path-grid::before { display: none; }
  .article-row { flex-wrap: wrap; gap: 0.8rem; }
  .article-num { min-width: 36px; font-size: 1.2rem; }
  .article-date { width: 100%; padding-left: 50px; }
  .cta-content { padding: 2.4rem 1.6rem; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 1.08rem; }
  .brand-icon { width: 36px; height: 36px; font-size: 1rem; }
  .hero-title { font-size: 1.8rem; }
  .hero-desc { font-size: 0.94rem; }
  .hud-grid { grid-template-columns: 1fr 1fr; }
  .tip-card-media { aspect-ratio: 16 / 11; }
  .path-grid { grid-template-columns: 1fr; text-align: left; }
  .path-step { display: flex; align-items: flex-start; gap: 1rem; text-align: left; }
  .path-dot { margin: 0; flex-shrink: 0; }
  .path-step-desc { font-size: 0.82rem; }
  .btn { width: 100%; }
  .hero-btn-group { flex-direction: column; gap: 0.6rem !important; }
  .article-tags { display: none; }
}