/* roulang page: index */
:root {
    --bg-primary: #0B1526;
    --bg-secondary: #101E33;
    --bg-elevated: #16283D;
    --brand-blue: #1E88FF;
    --brand-cyan: #36E6FF;
    --accent-gold: #F5C044;
    --text-primary: #E9F2FF;
    --text-secondary: #98AEC9;
    --text-muted: #5B708F;
    --success: #2BD576;
    --warning: #FF9F43;
    --danger: #FF5E6C;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.10);
    --glass-border-strong: rgba(255, 255, 255, 0.18);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 999px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 16px rgba(54, 230, 255, 0.35);
    --shadow-glow-hover: 0 0 28px rgba(54, 230, 255, 0.55);
    --transition: 0.3s ease;
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.75;
    font-variant-numeric: tabular-nums;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: var(--brand-blue);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--brand-cyan);
}
button {
    font-family: var(--font-family);
    border: none;
    background: none;
    cursor: pointer;
}
ul,
ol {
    list-style: none;
}
input,
textarea {
    font-family: var(--font-family);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-pad {
    padding: 90px 0;
}
.section-head {
    margin-bottom: 48px;
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    position: relative;
    padding-left: 16px;
}
.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    box-shadow: 0 0 12px rgba(54, 230, 255, 0.5);
}
.section-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 12px;
    max-width: 640px;
    line-height: 1.7;
}
.text-glow {
    background: linear-gradient(135deg, #ffffff 0%, var(--brand-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    min-height: 44px;
    transition: all var(--transition);
    position: relative;
    border: 1px solid transparent;
    line-height: 1;
    white-space: nowrap;
}
.btn i {
    transition: transform var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-cyan) 100%);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
    box-shadow: var(--shadow-glow-hover);
    filter: brightness(1.1);
    color: #fff;
    transform: translateY(-1px);
}
.btn-primary:hover i {
    transform: translateX(4px);
}
.btn-primary:active {
    transform: translateY(1px);
    filter: brightness(0.95);
}
.btn-primary:focus-visible,
.btn-ghost:focus-visible {
    outline: 2px solid var(--brand-cyan);
    outline-offset: 3px;
}
.btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}
.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}
.btn-ghost:active {
    transform: translateY(1px);
}
.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
    min-height: 52px;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}
.chip:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}
.chip.active {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    box-shadow: 0 4px 16px rgba(30, 136, 255, 0.35);
}
.badge-gold {
    display: inline-block;
    background: linear-gradient(135deg, #F5C044, #F0A030);
    color: #1a1200;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-pill);
    padding: 3px 10px;
    line-height: 1.6;
}
.badge-blue {
    display: inline-block;
    background: rgba(30, 136, 255, 0.15);
    color: var(--brand-cyan);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-pill);
    padding: 3px 10px;
    line-height: 1.6;
    border: 1px solid rgba(54, 230, 255, 0.25);
}
/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 21, 38, 0.85);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: box-shadow var(--transition);
}
.site-header.scrolled {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    white-space: nowrap;
    line-height: 1;
}
.logo .logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 0 14px rgba(54, 230, 255, 0.4);
}
.logo .logo-pg {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-pill);
    padding: 4px;
}
.nav-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    transition: background var(--transition);
}
.hamburger:hover {
    background: rgba(255, 255, 255, 0.12);
}
.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
/* Mobile drawer */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1099;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: var(--bg-secondary);
    border-left: 1px solid var(--glass-border);
    z-index: 1100;
    transition: right 0.35s ease;
    padding: 24px;
    display: flex;
    flex-direction: column;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}
.mobile-drawer.active {
    right: 0;
}
.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.drawer-close {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.drawer-close:hover {
    background: rgba(255, 255, 255, 0.12);
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.drawer-nav .chip {
    justify-content: flex-start;
    padding: 14px 24px;
    font-size: 16px;
    border-radius: var(--radius-sm);
}
.drawer-nav .chip.active {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
}
.drawer-cta {
    margin-top: auto;
    padding-top: 32px;
}
.drawer-cta .btn {
    width: 100%;
}
/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 80vh;
    padding: 160px 0 100px;
    background: radial-gradient(ellipse at 30% 40%, rgba(30, 136, 255, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 55%, rgba(54, 230, 255, 0.15) 0%, transparent 50%),
                linear-gradient(180deg, #0B1526 0%, #0D1A30 50%, #0B1526 100%);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.hero-bg {
    position: absolute;
    top: -80px;
    right: -120px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(54, 230, 255, 0.12);
    filter: blur(120px);
    pointer-events: none;
}
.hero-bg2 {
    position: absolute;
    bottom: -60px;
    left: 30%;
    width: 400px;
    height: 300px;
    border-radius: 50%;
    background: rgba(30, 136, 255, 0.1);
    filter: blur(100px);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 60px;
}
.hero-content {
    flex: 1.1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(245, 192, 68, 0.12);
    border: 1px solid rgba(245, 192, 68, 0.35);
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: var(--accent-gold);
    font-weight: 500;
    margin-bottom: 24px;
}
.hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
}
.hero-title .grad {
    background: linear-gradient(120deg, #ffffff 0%, var(--brand-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 540px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-visual {
    flex: 0.9;
    position: relative;
}
.hero-image-wrapper {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(54, 230, 255, 0.2);
    aspect-ratio: 16/11;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-image-wrapper::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(11, 21, 38, 0.6) 100%);
    border-radius: 20px;
}
.hero-image-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    z-index: 2;
    display: flex;
    gap: 8px;
    align-items: center;
}
.hero-image-badge .badge-gold {
    font-size: 13px;
    padding: 5px 14px;
}
/* ===== Stats ===== */
.stats-section {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 48px 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(54, 230, 255, 0.5), transparent);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.stat-item {
    text-align: center;
    padding: 12px;
}
.stat-number {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 0.05em;
}
/* ===== Games ===== */
.games-section {
    background: var(--bg-primary);
    position: relative;
}
.games-section::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(30, 136, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.games-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.game-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.game-card:hover {
    transform: translateY(-6px);
    border-color: var(--glass-border-strong);
    box-shadow: var(--shadow-hover);
    background: var(--glass-bg-hover);
}
.game-cover {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.game-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.game-card:hover .game-cover img {
    transform: scale(1.05);
}
.game-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
}
.game-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.game-category {
    font-size: 12px;
    color: var(--brand-cyan);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-bottom: 6px;
}
.game-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.game-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}
.game-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: var(--text-text-secondary);
}
.game-rating .stars {
    color: var(--accent-gold);
    font-size: 13px;
    letter-spacing: 1px;
}
.game-rating .score {
    font-weight: 600;
    color: var(--text-primary);
}
.game-tag {
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 3px 8px;
    border-radius: var(--radius-pill);
}
.game-link {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-blue);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition);
}
.game-link:hover {
    color: var(--brand-cyan);
}
.game-link:hover i {
    transform: translateX(4px);
}
.game-link i {
    transition: transform var(--transition);
}
/* ===== News / CMS ===== */
.news-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}
.news-section::before {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(54, 230, 255, 0.07) 0%, transparent 70%);
    pointer-events: none;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}
.news-card {
    display: flex;
    gap: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    align-items: center;
}
.news-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-strong);
    transform: translateX(4px);
}
.news-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    opacity: 0;
    transition: opacity var(--transition);
}
.news-card:hover::before {
    opacity: 1;
}
.news-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
}
.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.news-card:hover .news-thumb img {
    transform: scale(1.06);
}
.news-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.news-cat {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-cyan);
    background: rgba(30, 136, 255, 0.12);
    border: 1px solid rgba(54, 230, 255, 0.25);
    padding: 2px 12px;
    border-radius: var(--radius-pill);
}
.news-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition);
}
.news-card:hover .news-title {
    color: var(--brand-cyan);
}
.news-summary {
    font-size: 14px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 4px;
}
.news-date {
    font-size: 13px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.news-more {
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-blue);
    transition: color var(--transition);
}
.news-card:hover .news-more {
    color: var(--brand-cyan);
}
.news-empty {
    text-align: center;
    padding: 60px 24px;
    background: var(--glass-bg);
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
}
.news-empty i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.news-empty p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
/* ===== Testimonials ===== */
.testimonials-section {
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}
.testimonials-section::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30, 136, 255, 0.07) 0%, transparent 70%);
    pointer-events: none;
}
.testimonial-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}
.slider-arrows {
    display: flex;
    gap: 12px;
}
.slider-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition);
    cursor: pointer;
}
.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(54, 230, 255, 0.4);
    box-shadow: 0 0 16px rgba(54, 230, 255, 0.2);
    color: var(--brand-cyan);
}
.testimonial-slider {
    overflow: hidden;
    position: relative;
}
.testimonial-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s ease;
}
.testimonial-card {
    flex: 0 0 calc(33.333% - 16px);
    background: rgba(255, 255, 255, 0.05);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition);
}
.testimonial-card:hover {
    border-color: var(--glass-border-strong);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-card);
}
.testimonial-top {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-elevated);
}
.testimonial-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}
.testimonial-stars {
    color: var(--accent-gold);
    font-size: 13px;
    margin-top: 2px;
    letter-spacing: 1px;
}
.testimonial-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 32px;
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    padding: 0;
}
.dot.active {
    width: 24px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    box-shadow: 0 0 8px rgba(54, 230, 255, 0.4);
}
/* ===== Guarantee ===== */
.guarantee-section {
    background: var(--bg-secondary);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.guarantee-item {
    text-align: center;
    padding: 24px 32px;
    position: relative;
}
.guarantee-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}
.guarantee-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--brand-cyan);
    background: rgba(30, 136, 255, 0.12);
    border: 1px solid rgba(54, 230, 255, 0.3);
    box-shadow: 0 0 16px rgba(54, 230, 255, 0.15);
}
.guarantee-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.guarantee-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}
/* ===== FAQ ===== */
.faq-section {
    background: var(--bg-primary);
    padding: 90px 0;
    position: relative;
}
.faq-section::before {
    content: "";
    position: absolute;
    top: 40px;
    right: 0;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(54, 230, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.faq-container {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background var(--transition);
}
.faq-item:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    gap: 16px;
    transition: color var(--transition);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    min-height: 64px;
}
.faq-question:hover {
    color: var(--brand-cyan);
}
.faq-question i {
    flex-shrink: 0;
    font-size: 16px;
    color: var(--brand-cyan);
    transition: transform 0.3s ease;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(30, 136, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-item.open .faq-question i {
    transform: rotate(45deg);
    background: rgba(30, 136, 255, 0.25);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 8px;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 24px;
}
.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}
/* ===== CTA ===== */
.cta-section {
    padding: 80px 0 100px;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}
.cta-panel {
    position: relative;
    background: linear-gradient(135deg, rgba(30, 136, 255, 0.1) 0%, rgba(54, 230, 255, 0.06) 50%, rgba(11, 21, 38, 0.6) 100%);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 60px;
    text-align: center;
    overflow: hidden;
}
.cta-panel::before {
    content: "";
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(54, 230, 255, 0.2) 0%, transparent 70%);
    pointer-events: none;
}
.cta-panel::after {
    content: "";
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(30, 136, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}
.cta-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}
.cta-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}
.cta-btn-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}
.cta-note {
    position: relative;
    z-index: 1;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 20px;
    letter-spacing: 0.03em;
}
/* ===== Footer ===== */
.site-footer {
    background: #0A1120;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
}
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30, 136, 255, 0.5), rgba(54, 230, 255, 0.5), transparent);
}
.footer-top {
    padding: 60px 0 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
}
.footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    box-shadow: 0 0 12px rgba(54, 230, 255, 0.4);
}
.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 300px;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all var(--transition);
}
.footer-social a:hover {
    background: rgba(30, 136, 255, 0.2);
    border-color: rgba(54, 230, 255, 0.4);
    color: var(--brand-cyan);
    box-shadow: 0 0 12px rgba(54, 230, 255, 0.2);
}
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-links a:hover {
    color: var(--brand-cyan);
    transform: translateX(4px);
}
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-contact li i {
    color: var(--brand-cyan);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}
.footer-bottom a {
    color: var(--text-muted);
}
.footer-bottom a:hover {
    color: var(--brand-cyan);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .hero-inner {
        flex-direction: column;
        gap: 48px;
    }
    .hero {
        padding-top: 130px;
        min-height: auto;
    }
    .hero-content {
        text-align: center;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-image-wrapper {
        max-width: 560px;
        margin: 0 auto;
    }
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .guarantee-item:nth-child(2)::after {
        display: none;
    }
    .guarantee-item:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding-bottom: 32px;
    }
    .testimonial-card {
        flex: 0 0 calc(50% - 12px);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .news-thumb {
        width: 150px;
        height: 100px;
    }
}
@media (max-width: 640px) {
    .section-pad {
        padding: 56px 0;
    }
    .container {
        padding: 0 16px;
    }
    .section-title {
        font-size: 24px;
    }
    .hero {
        padding-top: 110px;
        padding-bottom: 64px;
    }
    .hero-title {
        font-size: 30px;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .stat-number {
        font-size: 32px;
    }
    .games-grid {
        grid-template-columns: 1fr;
    }
    .news-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px;
    }
    .news-thumb {
        width: 100%;
        height: 160px;
    }
    .guarantee-grid {
        grid-template-columns: 1fr;
    }
    .guarantee-item:not(:last-child)::after {
        display: none;
    }
    .guarantee-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        padding: 24px 16px;
    }
    .guarantee-item:nth-child(-n+2) {
        padding-bottom: 24px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .testimonial-card {
        flex: 0 0 100%;
    }
    .testimonial-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .faq-container {
        padding: 0 16px;
    }
    .faq-question {
        font-size: 15px;
    }
    .cta-panel {
        padding: 40px 24px;
    }
    .cta-title {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        padding: 16px;
    }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B1526;
  --bg-secondary: #101E33;
  --bg-dark: #0A1120;
  --brand-blue: #1E88FF;
  --brand-cyan: #36E6FF;
  --gold: #F5C044;
  --text-primary: #E9F2FF;
  --text-secondary: #98AEC9;
  --text-muted: #5B708F;
  --text-body: #CDDCF0;
  --border: rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.16);
  --card-bg: rgba(255,255,255,0.04);
  --card-bg-hover: rgba(255,255,255,0.08);
  --glass-highlight: inset 0 1px 0 rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.25);
  --shadow-hover: 0 10px 40px rgba(0,0,0,0.45);
  --glow-btn: 0 0 16px rgba(54,230,255,0.35);
  --glow-btn-hover: 0 0 28px rgba(54,230,255,0.55);
  --container-width: 1200px;
  --section-space: 90px;
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--brand-blue);
  text-decoration: none;
  transition: color .25s ease;
}

a:hover {
  color: var(--brand-cyan);
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-space) 0;
  position: relative;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(30,136,255,0.14);
  color: var(--brand-cyan);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid rgba(54,230,255,0.25);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
  border-radius: 999px;
  box-shadow: 0 0 10px rgba(54,230,255,0.35);
}

.section-head p {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 640px;
  margin: 18px auto 0;
}

.grid-x {
  display: flex;
  flex-wrap: wrap;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  box-shadow: var(--glow-btn), inset 0 1px 0 rgba(255,255,255,0.18);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--glow-btn-hover), inset 0 1px 0 rgba(255,255,255,0.24);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text-primary);
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,0.38);
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.btn-ghost:active {
  transform: translateY(1px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-blue);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
}

.text-link:hover {
  color: var(--brand-cyan);
}

.text-link i {
  transition: transform .25s ease;
}

.text-link:hover i {
  transform: translateX(3px);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brand-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11,21,38,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  border-radius: 9px;
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.02em;
  box-shadow: 0 0 14px rgba(54,230,255,0.3);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: .01em;
  line-height: 1.2;
}

.logo-pg {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  padding: 4px;
  margin: 0 auto;
}

.main-nav .chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: all .25s ease;
  white-space: nowrap;
}

.main-nav .chip:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
}

.main-nav .chip.active {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  font-weight: 600;
  box-shadow: 0 0 12px rgba(54,230,255,0.3);
}

.header-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--text-primary);
  border-radius: 999px;
  transition: all .3s ease;
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.1);
}

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 280px;
  height: 100vh;
  background: rgba(11,21,38,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border);
  padding: 24px;
  transition: right .35s cubic-bezier(.77,0,.18,1);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  font-size: 16px;
  transition: all .25s ease;
}

.drawer-close:hover {
  background: rgba(255,255,255,0.14);
  color: #fff;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-nav .chip {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: all .25s ease;
}

.mobile-nav .chip:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.mobile-nav .chip.active {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  font-weight: 600;
}

.mobile-cta {
  width: 100%;
}

body.no-scroll {
  overflow: hidden;
}

/* ===== 页面 Hero ===== */
.page-hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,21,38,0.85) 0%, rgba(11,21,38,0.92) 60%, var(--bg-primary) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,192,68,0.12);
  border: 1px solid rgba(245,192,68,0.35);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-badge i {
  font-size: 14px;
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: .02em;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== 入口方式卡片 ===== */
.methods-section {
  background: var(--bg-primary);
}

.methods-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, rgba(54,230,255,0.4), transparent);
}

.methods-grid .cell {
  margin-bottom: 24px;
}

.method-card {
  height: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow), var(--glass-highlight);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.method-card:hover {
  transform: translateY(-6px);
  background: var(--card-bg-hover);
  border-color: rgba(255,255,255,0.16);
  box-shadow: var(--shadow-hover), var(--glass-highlight);
}

.method-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(30,136,255,0.2), rgba(54,230,255,0.2));
  border: 1px solid rgba(54,230,255,0.25);
  color: var(--brand-cyan);
  font-size: 22px;
  margin-bottom: 4px;
}

.method-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.method-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.method-card .text-link {
  margin-top: auto;
}

/* ===== 流程步骤 ===== */
.steps-section {
  background: var(--bg-secondary);
  overflow: hidden;
}

.steps-section::after {
  content: "";
  position: absolute;
  top: 20%;
  right: -120px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(30,136,255,0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.steps-grid .cell {
  margin-bottom: 24px;
  position: relative;
}

.step-card {
  height: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
  transition: height .35s ease;
}

.step-card:hover::before {
  height: 100%;
}

.step-card:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-num {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 16px;
  opacity: .85;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 场景卡片 ===== */
.scenes-section {
  background: var(--bg-primary);
}

.scenes-grid .cell {
  margin-bottom: 24px;
}

.scene-card {
  height: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}

.scene-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,255,255,0.16);
}

.scene-img-wrap {
  width: 100%;
  height: 170px;
  overflow: hidden;
  position: relative;
}

.scene-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

.scene-card:hover .scene-img-wrap img {
  transform: scale(1.05);
}

.scene-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11,21,38,0.6));
}

.scene-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scene-badge {
  align-self: flex-start;
  background: rgba(30,136,255,0.14);
  border: 1px solid rgba(30,136,255,0.25);
  color: var(--brand-cyan);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
}

.scene-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.scene-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

/* ===== 安全区块 ===== */
.safety-section {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.safety-section::before {
  content: "";
  position: absolute;
  top: 40%;
  left: -80px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(54,230,255,0.07), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.safety-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow), var(--glass-highlight);
}

.safety-img {
  border-radius: 16px;
  width: 100%;
  height: 260px;
  object-fit: cover;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}

.safety-content {
  padding-left: 40px;
}

.safety-content .section-tag {
  margin-bottom: 10px;
}

.safety-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  line-height: 1.3;
}

.safety-list {
  margin-top: 10px;
}

.safety-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-body);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.safety-list li:last-child {
  border-bottom: none;
}

.safety-list i {
  color: var(--brand-cyan);
  font-size: 16px;
  margin-top: 4px;
  flex-shrink: 0;
}

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

.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 22px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color .25s ease;
}

.faq-question:hover {
  color: var(--brand-cyan);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  flex-shrink: 0;
  transition: all .3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  border-color: transparent;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1);
}

.faq-answer p {
  padding: 0 4px 22px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg-primary);
  padding-bottom: 90px;
}

.cta-panel {
  position: relative;
  background: linear-gradient(135deg, rgba(30,136,255,0.1), rgba(54,230,255,0.05)), var(--card-bg);
  border: 1px solid rgba(54,230,255,0.2);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow), var(--glass-highlight);
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(54,230,255,0.16), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-panel::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -80px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(30,136,255,0.12), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-panel h2 {
  position: relative;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-panel > p {
  position: relative;
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.cta-panel .btn {
  position: relative;
  height: 50px;
  padding: 0 40px;
  font-size: 16px;
}

.cta-safe {
  position: relative;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-safe span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.cta-safe i {
  color: var(--brand-cyan);
  font-size: 13px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(30,136,255,0.5), rgba(54,230,255,0.6), transparent);
}

.footer-top {
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 36px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 340px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 15px;
  transition: all .25s ease;
}

.footer-social a:hover {
  background: rgba(30,136,255,0.2);
  border-color: rgba(54,230,255,0.4);
  color: var(--brand-cyan);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  position: relative;
  padding-left: 12px;
}

.footer-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: all .25s ease;
}

.footer-links a:hover {
  color: var(--brand-cyan);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-contact i {
  color: var(--brand-cyan);
  width: 18px;
  text-align: center;
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--brand-cyan);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .safety-content {
    padding-left: 0;
    padding-top: 28px;
  }

  .safety-panel {
    padding: 32px;
  }
}

@media (max-width: 640px) {
  :root {
    --section-space: 56px;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 64px;
  }

  .logo-text {
    font-size: 17px;
  }

  .page-hero {
    padding: 80px 0 56px;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 15px;
  }

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

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

  .section-head h2 {
    font-size: 24px;
  }

  .section-head p {
    font-size: 14px;
  }

  .method-card {
    padding: 22px 18px;
  }

  .step-card {
    padding: 22px 18px;
  }

  .scene-img-wrap {
    height: 150px;
  }

  .scene-body {
    padding: 16px;
  }

  .safety-panel {
    padding: 24px 18px;
  }

  .safety-img {
    height: 180px;
  }

  .cta-panel {
    padding: 36px 20px;
  }

  .cta-panel h2 {
    font-size: 24px;
  }

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

  .cta-safe {
    flex-direction: column;
    gap: 6px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-top {
    padding: 40px 0 24px;
  }

  .mobile-drawer {
    width: 84%;
    max-width: 320px;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .page-hero h1 {
    font-size: 36px;
  }
}

@media (min-width: 1025px) {
  .mobile-drawer {
    display: none;
  }
}

/* roulang page: article */
:root{
    --bg-primary:#0B1526;
    --bg-secondary:#101E33;
    --bg-footer:#0A1120;
    --brand-blue:#1E88FF;
    --brand-cyan:#36E6FF;
    --gold:#F5C044;
    --text-main:#E9F2FF;
    --text-secondary:#98AEC9;
    --text-weak:#5B708F;
    --border-light:rgba(255,255,255,0.08);
    --border-blue:rgba(30,136,255,0.25);
    --glass-bg:rgba(255,255,255,0.04);
    --glass-bg-hover:rgba(255,255,255,0.08);
    --radius-card:16px;
    --radius-btn:10px;
    --radius-pill:999px;
    --shadow-card:0 4px 24px rgba(0,0,0,0.25);
    --shadow-hover:0 10px 40px rgba(0,0,0,0.45);
    --glow-cyan:0 0 16px rgba(54,230,255,0.35);
    --glow-cyan-hover:0 0 28px rgba(54,230,255,0.55);
    --gradient-primary:linear-gradient(135deg,#1E88FF,#36E6FF);
    --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --container-width:1200px;
    --section-space:90px;
    --mobile-section-space:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
    font-family:var(--font-family);
    background:var(--bg-primary);
    color:var(--text-main);
    line-height:1.75;
    font-size:15px;
    font-variant-numeric:tabular-nums;
    overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-cyan);text-decoration:none}
a:hover{color:var(--brand-cyan)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
input,select,textarea{font-family:inherit}
.container{
    max-width:var(--container-width);
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
    position:relative;
}
.site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:100;
    background:rgba(11,21,38,0.85);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid rgba(255,255,255,0.07);
    height:72px;
    display:flex;align-items:center;
    transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
    background:rgba(11,21,38,0.95);
    box-shadow:0 4px 30px rgba(0,0,0,0.35);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    gap:16px;
}
.brand-logo{
    display:flex;align-items:center;gap:10px;
    font-size:21px;font-weight:700;color:var(--text-main);
    text-decoration:none;
    flex-shrink:0;
    transition:opacity .2s;
}
.brand-logo:hover{opacity:.9;color:var(--text-main)}
.logo-icon{
    display:flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:10px;
    background:var(--gradient-primary);
    color:#fff;font-size:14px;font-weight:800;
    letter-spacing:-.5px;
    box-shadow:var(--glow-cyan);
    flex-shrink:0;
}
.logo-text{white-space:nowrap}
.logo-pg{
    background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    font-weight:800;
}
.main-nav{
    display:flex;align-items:center;gap:4px;
    background:rgba(255,255,255,0.06);
    border-radius:var(--radius-pill);
    padding:4px;
    margin:0 auto;
}
.main-nav .chip{
    display:inline-flex;align-items:center;
    height:36px;padding:0 16px;
    border-radius:var(--radius-pill);
    font-size:14px;font-weight:500;
    color:var(--text-secondary);
    text-decoration:none;
    transition:all .25s ease;
    white-space:nowrap;
}
.main-nav .chip:hover{
    color:var(--text-main);
    background:rgba(255,255,255,0.08);
}
.main-nav .chip.active{
    background:var(--gradient-primary);
    color:#fff;
    box-shadow:var(--glow-cyan);
    font-weight:600;
}
.header-actions{
    display:flex;align-items:center;gap:12px;
    flex-shrink:0;
}
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    gap:8px;height:44px;padding:0 24px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;
    letter-spacing:.02em;
    text-decoration:none;border:none;
    cursor:pointer;
    transition:all .3s ease;
    line-height:1;
}
.btn-primary{
    background:var(--gradient-primary);
    color:#fff;
    box-shadow:var(--glow-cyan);
}
.btn-primary:hover{
    filter:brightness(1.1);
    box-shadow:var(--glow-cyan-hover);
    transform:translateY(-1px);
    color:#fff;
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
    background:transparent;color:#fff;
    border:1px solid rgba(255,255,255,0.18);
}
.btn-ghost:hover{
    border-color:rgba(255,255,255,0.4);
    background:rgba(255,255,255,0.08);
    color:#fff;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    width:44px;height:44px;
    border-radius:10px;
    background:rgba(255,255,255,0.06);
    border:1px solid var(--border-light);
    gap:4px;
    transition:all .3s;
}
.nav-toggle:hover{background:rgba(255,255,255,0.1)}
.nav-toggle span{
    width:18px;height:2px;
    background:var(--text-main);
    border-radius:2px;
    transition:all .3s;
}
.mobile-drawer{
    position:fixed;
    top:0;right:-320px;
    width:280px;height:100vh;
    background:var(--bg-secondary);
    z-index:200;
    padding:24px;
    box-shadow:-8px 0 32px rgba(0,0,0,0.4);
    transition:right .35s ease;
    display:flex;
    flex-direction:column;
}
.mobile-drawer.open{right:0}
.drawer-close{
    position:absolute;
    top:16px;right:16px;
    width:36px;height:36px;
    border-radius:50%;
    background:rgba(255,255,255,0.08);
    border:1px solid var(--border-light);
    color:var(--text-main);
    font-size:20px;
    display:flex;align-items:center;justify-content:center;
    transition:all .3s;
}
.drawer-close:hover{background:rgba(255,255,255,0.15);transform:rotate(90deg)}
.drawer-logo{
    display:flex;align-items:center;gap:10px;
    font-size:20px;font-weight:700;color:var(--text-main);
    text-decoration:none;
    padding:12px 0 20px;
    border-bottom:1px solid var(--border-light);
}
.drawer-logo .logo-icon{width:32px;height:32px;font-size:12px;border-radius:8px}
.drawer-nav{
    display:flex;flex-direction:column;gap:6px;
    margin:20px 0;
    flex:1;
}
.drawer-nav .chip{
    width:100%;height:46px;
    border-radius:10px;
    display:flex;align-items:center;padding:0 16px;
    font-size:15px;
    color:var(--text-secondary);
    text-decoration:none;
    transition:all .25s;
}
.drawer-nav .chip:hover{
    color:var(--text-main);
    background:rgba(255,255,255,0.06);
}
.drawer-nav .chip.active{
    background:var(--gradient-primary);
    color:#fff;
    font-weight:600;
    box-shadow:var(--glow-cyan);
}
.mobile-overlay{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    background:rgba(0,0,0,0.5);
    z-index:150;
    backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;
    transition:opacity .3s,visibility .3s;
}
.mobile-overlay.show{opacity:1;visibility:visible}
.article-hero{
    position:relative;
    padding:150px 0 70px;
    background:url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
    background-color:var(--bg-primary);
}
.article-hero::before{
    content:'';
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,21,38,0.92) 0%,rgba(11,21,38,0.72) 50%,rgba(11,21,38,0.96) 100%);
}
.article-hero::after{
    content:'';
    position:absolute;
    top:-20%;right:-10%;
    width:50%;height:60%;
    background:radial-gradient(circle,rgba(54,230,255,0.12),transparent 70%);
    pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
    display:flex;align-items:center;gap:8px;
    margin-bottom:28px;
    font-size:13px;
    color:var(--text-secondary);
    flex-wrap:wrap;
}
.breadcrumb a{
    color:var(--text-secondary);
    text-decoration:none;
    transition:color .2s;
}
.breadcrumb a:hover{color:var(--brand-cyan)}
.breadcrumb-sep{color:var(--text-weak)}
.breadcrumb-cat{
    color:var(--text-secondary);
    max-width:160px;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.breadcrumb-current{
    color:var(--text-main);
    max-width:320px;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero-inner{max-width:860px}
.article-badges{
    display:flex;align-items:center;gap:10px;
    flex-wrap:wrap;
    margin-bottom:16px;
}
.badge{
    display:inline-flex;align-items:center;
    height:26px;padding:0 14px;
    border-radius:var(--radius-pill);
    font-size:12px;font-weight:600;
}
.badge-gold{
    background:rgba(245,192,68,0.15);
    border:1px solid rgba(245,192,68,0.35);
    color:var(--gold);
}
.badge-blue{
    background:rgba(30,136,255,0.15);
    border:1px solid rgba(30,136,255,0.3);
    color:var(--brand-cyan);
}
.article-title{
    font-size:40px;
    font-weight:800;
    line-height:1.25;
    color:var(--text-main);
    margin-bottom:16px;
    letter-spacing:-.01em;
}
.article-excerpt{
    font-size:16px;
    line-height:1.8;
    color:var(--text-secondary);
    margin-bottom:24px;
    max-width:760px;
}
.article-meta{
    display:flex;flex-wrap:wrap;
    gap:18px;
    font-size:14px;
    color:var(--text-secondary);
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,0.08);
}
.meta-item{
    display:inline-flex;align-items:center;
    gap:6px;
}
.meta-item i{color:var(--brand-cyan);font-size:13px}
.article-body-section{
    padding:var(--section-space) 0;
    background:var(--bg-primary);
    position:relative;
}
.article-body-section::before{
    content:'';
    position:absolute;
    bottom:0;left:0;right:0;
    height:300px;
    background:linear-gradient(180deg,transparent,rgba(16,30,51,0.4));
    pointer-events:none;
}
.article-card{
    max-width:860px;
    margin:0 auto;
    background:var(--glass-bg);
    border:1px solid var(--border-light);
    border-radius:var(--radius-card);
    padding:44px 48px;
    box-shadow:var(--shadow-card);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    position:relative;
}
.article-card::before{
    content:'';
    position:absolute;top:0;left:0;right:0;
    height:2px;
    background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan));
    border-radius:var(--radius-card) var(--radius-card) 0 0;
    opacity:.6;
}
.article-rich-content{
    font-size:16px;
    line-height:1.75;
    color:#CDDCF0;
    word-wrap:break-word;
}
.article-rich-content h2{
    font-size:28px;font-weight:700;
    line-height:1.3;
    margin:44px 0 18px;
    padding-left:14px;
    border-left:4px solid var(--brand-cyan);
    color:var(--text-main);
}
.article-rich-content h3{
    font-size:21px;font-weight:600;
    line-height:1.4;
    margin:32px 0 12px;
    color:var(--text-main);
}
.article-rich-content p{margin-bottom:20px}
.article-rich-content strong{color:var(--text-main);font-weight:600}
.article-rich-content a{
    color:var(--brand-cyan);
    text-decoration:underline;
    text-decoration-color:rgba(54,230,255,0.3);
    text-underline-offset:4px;
    transition:text-decoration-color .2s;
}
.article-rich-content a:hover{text-decoration-color:var(--brand-cyan)}
.article-rich-content blockquote{
    border-left:4px solid var(--brand-blue);
    background:rgba(30,136,255,0.07);
    padding:18px 24px;
    margin:28px 0;
    border-radius:0 12px 12px 0;
    color:var(--text-secondary);
    font-size:15px;
}
.article-rich-content ul,.article-rich-content ol{
    padding-left:24px;
    margin-bottom:20px;
}
.article-rich-content ul{list-style:disc}
.article-rich-content ol{list-style:decimal}
.article-rich-content li{margin-bottom:8px;padding-left:2px}
.article-rich-content img{
    max-width:100%;height:auto;
    border-radius:12px;
    margin:28px 0;
    box-shadow:var(--shadow-card);
}
.article-rich-content table{
    width:100%;
    border-collapse:collapse;
    margin:28px 0;
    font-size:14px;
    background:rgba(255,255,255,0.02);
    border-radius:8px;
    overflow:hidden;
}
.article-rich-content th,.article-rich-content td{
    padding:14px 16px;
    border:1px solid var(--border-light);
    text-align:left;
}
.article-rich-content th{
    background:rgba(30,136,255,0.1);
    font-weight:600;
    color:var(--text-main);
    white-space:nowrap;
}
.article-rich-content tr:hover{background:rgba(255,255,255,0.02)}
.article-rich-content hr{
    border:none;
    height:1px;
    background:var(--border-light);
    margin:32px 0;
}
.article-tags{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    margin-top:48px;
    padding-top:28px;
    border-top:1px solid var(--border-light);
}
.tag-label{
    font-size:14px;
    color:var(--text-secondary);
    margin-right:4px;
    display:inline-flex;align-items:center;gap:6px;
}
.tag-chip{
    display:inline-flex;align-items:center;
    height:30px;padding:0 14px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,0.05);
    border:1px solid var(--border-light);
    font-size:13px;
    color:var(--text-secondary);
    transition:all .3s ease;
    cursor:pointer;
}
.tag-chip:hover{
    color:var(--text-main);
    border-color:var(--brand-blue);
    background:rgba(30,136,255,0.1);
}
.not-found{
    text-align:center;
    padding:70px 20px;
}
.not-found-icon{
    font-size:60px;
    color:var(--text-weak);
    margin-bottom:24px;
    display:flex;justify-content:center;
}
.not-found h2{
    font-size:28px;font-weight:700;
    color:var(--text-main);
    margin-bottom:12px;
}
.not-found p{
    color:var(--text-secondary);
    margin-bottom:28px;
    font-size:15px;
}
.related-section{
    padding:0 0 var(--section-space);
    background:var(--bg-primary);
}
.related-header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:32px;
    flex-wrap:wrap;
    gap:16px;
}
.section-title{
    font-size:30px;
    font-weight:700;
    color:var(--text-main);
    position:relative;
    padding-left:16px;
    line-height:1.3;
}
.section-title::before{
    content:'';
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:4px;height:24px;
    border-radius:2px;
    background:var(--gradient-primary);
    box-shadow:var(--glow-cyan);
}
.text-link{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--brand-blue);
    font-size:14px;font-weight:500;
    text-decoration:none;
    transition:color .2s,transform .2s;
}
.text-link:hover{
    color:var(--brand-cyan);
    transform:translateX(2px);
}
.text-link i{font-size:12px;transition:transform .2s}
.text-link:hover i{transform:translateX(3px)}
.related-grid{
    margin:0 -10px;
}
.related-grid .columns{
    padding:0 10px;
    margin-bottom:20px;
}
.related-card{
    height:100%;
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border-light);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:all .35s ease;
    display:flex;
    flex-direction:column;
    box-shadow:0 2px 12px rgba(0,0,0,0.2);
}
.related-card:hover{
    transform:translateY(-6px);
    border-color:rgba(255,255,255,0.18);
    box-shadow:var(--shadow-hover);
}
.related-card-cover{
    position:relative;
    overflow:hidden;
    aspect-ratio:16/10;
    background:var(--bg-secondary);
}
.related-card-cover img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.related-card:hover .related-card-cover img{
    transform:scale(1.05);
}
.related-card-cover::after{
    content:'';
    position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 60%,rgba(11,21,38,0.3));
    pointer-events:none;
}
.related-card-badge{
    position:absolute;
    top:12px;left:12px;
    z-index:2;
}
.related-card-body{
    padding:20px;
    flex:1;
    display:flex;
    flex-direction:column;
}
.related-card-body h3{
    font-size:17px;
    font-weight:600;
    line-height:1.45;
    color:var(--text-main);
    margin-bottom:10px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-card-body p{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.6;
    margin-bottom:14px;
    flex:1;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-card-footer{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-top:auto;
    padding-top:6px;
}
.related-date{
    font-size:13px;
    color:var(--text-weak);
    display:inline-flex;align-items:center;gap:6px;
}
.related-date i{font-size:12px}
.cta-section{
    padding:0 0 var(--section-space);
    background:var(--bg-primary);
    position:relative;
}
.cta-section::before{
    content:'';
    position:absolute;
    left:50%;top:50%;
    transform:translate(-50%,-50%);
    width:600px;height:300px;
    background:radial-gradient(ellipse,rgba(30,136,255,0.08),transparent 70%);
    pointer-events:none;
}
.cta-panel{
    position:relative;
    overflow:hidden;
    max-width:1000px;
    margin:0 auto;
    padding:56px 48px;
    text-align:center;
    border-radius:24px;
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.1);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    box-shadow:var(--shadow-card);
}
.cta-panel::before{
    content:'';
    position:absolute;
    top:-40%;left:-15%;
    width:60%;height:80%;
    background:radial-gradient(circle,rgba(54,230,255,0.15),transparent 70%);
    pointer-events:none;
}
.cta-panel::after{
    content:'';
    position:absolute;
    bottom:-30%;right:-10%;
    width:50%;height:70%;
    background:radial-gradient(circle,rgba(30,136,255,0.18),transparent 70%);
    pointer-events:none;
}
.cta-panel h2{
    font-size:34px;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:12px;
    position:relative;z-index:1;
}
.cta-panel > p{
    font-size:16px;
    color:var(--text-secondary);
    margin-bottom:28px;
    position:relative;z-index:1;
}
.cta-panel .btn{
    position:relative;z-index:1;
}
.cta-note{
    margin-top:18px;
    font-size:13px;
    color:var(--text-weak);
    letter-spacing:.02em;
}
.site-footer{
    background:var(--bg-footer);
    border-top:1px solid var(--border-light);
    padding:60px 0 0;
    position:relative;
}
.site-footer::before{
    content:'';
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(30,136,255,0.5),rgba(54,230,255,0.5),transparent);
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
    padding-bottom:48px;
}
.footer-logo{
    display:flex;align-items:center;gap:10px;
    font-size:20px;font-weight:700;
    color:var(--text-main);
}
.footer-logo .logo-icon{width:34px;height:34px;font-size:12px;border-radius:8px}
.footer-desc{
    font-size:14px;
    color:var(--text-secondary);
    line-height:1.7;
    margin:16px 0 20px;
}
.footer-social{
    display:flex;gap:10px;
}
.footer-social a{
    display:flex;align-items:center;justify-content:center;
    width:36px;height:36px;
    border-radius:50%;
    background:rgba(255,255,255,0.05);
    border:1px solid var(--border-light);
    color:var(--text-secondary);
    font-size:14px;
    transition:all .3s ease;
}
.footer-social a:hover{
    color:#fff;
    background:rgba(30,136,255,0.2);
    border-color:var(--brand-blue);
    transform:translateY(-2px);
}
.footer-title{
    font-size:16px;
    font-weight:600;
    color:var(--text-main);
    margin-bottom:18px;
    position:relative;
    padding-bottom:10px;
}
.footer-title::after{
    content:'';
    position:absolute;
    bottom:0;left:0;
    width:20px;height:2px;
    border-radius:2px;
    background:var(--gradient-primary);
}
.footer-links{
    display:flex;flex-direction:column;
    gap:10px;
}
.footer-links a{
    font-size:14px;
    color:var(--text-secondary);
    text-decoration:none;
    transition:color .2s,padding-left .2s;
}
.footer-links a:hover{
    color:var(--brand-cyan);
    padding-left:4px;
}
.footer-contact{
    list-style:none;
    padding:0;
}
.footer-contact li{
    font-size:14px;
    color:var(--text-secondary);
    margin-bottom:12px;
    display:flex;align-items:center;gap:10px;
}
.footer-contact i{
    color:var(--brand-blue);
    width:16px;
    text-align:center;
}
.footer-bottom{
    border-top:1px solid var(--border-light);
    padding:20px 0;
    text-align:center;
    font-size:13px;
    color:var(--text-weak);
}
.footer-bottom a{
    color:var(--text-secondary);
    text-decoration:none;
    transition:color .2s;
}
.footer-bottom a:hover{color:var(--brand-cyan)}
:focus-visible{
    outline:2px solid var(--brand-cyan);
    outline-offset:2px;
    border-radius:4px;
}
@media (max-width:1024px){
    .main-nav{display:none}
    .header-actions .btn{display:none}
    .nav-toggle{display:inline-flex}
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:32px;
    }
    .article-title{font-size:34px}
    .article-card{padding:36px 32px}
}
@media (max-width:768px){
    .article-hero{padding:130px 0 50px}
    .article-title{font-size:30px}
    .article-excerpt{font-size:15px}
    .article-card{padding:28px 20px}
    .article-rich-content h2{font-size:24px}
    .article-rich-content h3{font-size:19px}
    .article-rich-content table{display:block;overflow-x:auto;white-space:nowrap}
    .related-grid .columns{
        flex:0 0 100%;
        max-width:100%;
    }
}
@media (max-width:640px){
    .container{
        padding-left:16px;
        padding-right:16px;
    }
    .site-header{height:64px}
    .brand-logo{font-size:18px}
    .logo-icon{width:32px;height:32px;font-size:12px;border-radius:8px}
    .article-hero{padding:110px 0 40px}
    .breadcrumb{font-size:12px;margin-bottom:18px}
    .breadcrumb-current{max-width:180px}
    .article-title{font-size:26px;line-height:1.3}
    .article-meta{gap:12px;flex-direction:column}
    .article-body-section{
        padding-top:0;
    }
    .article-card{
        padding:24px 16px;
        border-radius:12px;
    }
    .article-rich-content{
        font-size:15px;
        line-height:1.75;
    }
    .article-rich-content h2{
        font-size:21px;
        margin:32px 0 14px;
        padding-left:10px;
    }
    .article-rich-content h3{font-size:18px}
    .article-rich-content blockquote{
        padding:14px 16px;
        font-size:14px;
    }
    .article-tags{gap:8px;margin-top:36px;padding-top:20px}
    .tag-chip{height:28px;padding:0 12px;font-size:12px}
    .related-header{margin-bottom:24px}
    .section-title{font-size:24px;padding-left:12px}
    .section-title::before{height:20px}
    .cta-panel{padding:40px 20px;border-radius:16px}
    .cta-panel h2{font-size:26px}
    .cta-panel > p{font-size:15px;margin-bottom:20px}
    .footer-grid{
        grid-template-columns:1fr;
        gap:28px;
        padding-bottom:32px;
    }
    .footer-brand{padding-right:0}
    .footer-bottom p{
        font-size:12px;
        line-height:1.6;
    }
    .btn-lg{height:48px;padding:0 28px;font-size:15px;width:100%;max-width:280px}
}
@media (max-width:480px){
    .article-title{font-size:23px}
    .article-card{padding:20px 14px}
    .article-rich-content h2{font-size:20px}
    .footer-social a{width:40px;height:40px}
}

/* roulang page: category3 */
:root {
    --bg-primary: #0B1526;
    --bg-secondary: #101E33;
    --bg-dark: #0A1120;
    --brand-blue: #1E88FF;
    --brand-cyan: #36E6FF;
    --accent-gold: #F5C044;
    --text-primary: #E9F2FF;
    --text-secondary: #98AEC9;
    --text-weak: #5B708F;
    --text-body: #CDDCF0;
    --border-glass: rgba(255,255,255,0.10);
    --border-brand: rgba(30,136,255,0.25);
    --glass-bg: rgba(255,255,255,0.04);
    --glass-bg-hover: rgba(255,255,255,0.08);
    --shadow-normal: 0 4px 24px rgba(0,0,0,0.25);
    --shadow-hover: 0 10px 40px rgba(0,0,0,0.45);
    --shadow-glow: 0 0 16px rgba(54,230,255,0.35);
    --shadow-glow-hover: 0 0 28px rgba(54,230,255,0.55);
    --radius-card: 16px;
    --radius-btn: 10px;
    --radius-panel: 24px;
    --radius-pill: 999px;
    --gap-section: 90px;
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* , *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: var(--brand-blue);
    text-decoration: none;
    transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease;
}
button {
    font-family: inherit;
    cursor: pointer;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
section {
    position: relative;
}
:focus-visible {
    outline: 2px solid var(--brand-cyan);
    outline-offset: 2px;
}

/* ===== 顶部导航 ===== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 21, 38, 0.85);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 0 14px rgba(54,230,255,0.35);
}
.logo-pg {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-nav {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-pill);
    padding: 4px;
    gap: 2px;
}
.main-nav .chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 22px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all .25s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}
.main-nav .chip:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.08);
}
.main-nav .chip.active {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    box-shadow: 0 2px 12px rgba(30,136,255,0.35);
}
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 42px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: var(--shadow-glow);
    transition: all .3s ease;
    white-space: nowrap;
}
.header-cta:hover {
    box-shadow: var(--shadow-glow-hover);
    color: #fff;
    transform: translateY(-1px);
}
.header-cta:active {
    transform: translateY(1px);
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-btn);
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 18px;
    align-items: center;
    justify-content: center;
}
.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: rgba(11,21,38,0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 1100;
    padding: 80px 20px 30px;
    transition: right .35s ease;
    border-left: 1px solid var(--border-glass);
}
.mobile-drawer.open {
    right: 0;
}
.drawer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.drawer-nav .chip {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
    border: 1px solid transparent;
}
.drawer-nav .chip.active {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
}
.drawer-nav .chip:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}
.drawer-cta {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    border-radius: var(--radius-btn);
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    font-weight: 700;
}
.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1050;
    opacity: 0;
    transition: opacity .3s ease;
}
.drawer-overlay.show {
    opacity: 1;
}

/* ===== Hero / 页头 ===== */
.category-hero {
    position: relative;
    padding: 150px 0 90px;
    background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11,21,38,0.96) 0%, rgba(11,21,38,0.82) 50%, rgba(11,21,38,0.60) 100%);
}
.category-hero::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -80px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(54,230,255,0.25) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-gridline {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.category-hero .container {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    background: rgba(245,192,68,0.12);
    border: 1px solid rgba(245,192,68,0.35);
    color: var(--accent-gold);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-badge i {
    font-size: 12px;
}
.category-hero h1 {
    font-size: 44px;
    line-height: 1.25;
    color: var(--text-primary);
    font-weight: 800;
    margin-bottom: 18px;
}
.category-hero h1 .grad-text {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.category-hero .hero-sub {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 32px;
    border-radius: var(--radius-btn);
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    box-shadow: var(--shadow-glow);
    transition: all .3s ease;
}
.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-hover);
}
.btn-primary:active {
    transform: translateY(1px);
}
.btn-primary i {
    font-size: 14px;
    transition: transform .25s ease;
}
.btn-primary:hover i {
    transform: translateX(3px);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.18);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: all .3s ease;
}
.btn-ghost:hover {
    border-color: rgba(255,255,255,0.35);
    background: rgba(255,255,255,0.08);
    color: #fff;
}
.btn-ghost:active {
    transform: translateY(1px);
}

/* ===== 板块通用 ===== */
.section-block {
    padding: var(--gap-section) 0;
}
.section-block.alt-bg {
    background: var(--bg-secondary);
}
.section-header {
    margin-bottom: 48px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.section-title-wrap {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.section-bar {
    width: 4px;
    height: 32px;
    background: linear-gradient(180deg, var(--brand-blue), var(--brand-cyan));
    border-radius: 4px;
    box-shadow: 0 0 12px rgba(54,230,255,0.5);
    margin-top: 4px;
    flex-shrink: 0;
}
.section-title {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.section-desc {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 600px;
}

/* ===== 安全要点卡片 ===== */
.safety-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.safety-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    padding: 28px 24px;
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}
.safety-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
    opacity: 0;
    transition: opacity .3s ease;
}
.safety-card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.safety-card:hover::before {
    opacity: 1;
}
.safety-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(30,136,255,0.12);
    border: 1px solid rgba(30,136,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--brand-cyan);
    margin-bottom: 18px;
}
.safety-card h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}
.safety-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}
.safety-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    background: rgba(54,230,255,0.1);
    border: 1px solid rgba(54,230,255,0.25);
    color: var(--brand-cyan);
    font-size: 12px;
    font-weight: 600;
    margin-top: 14px;
}

/* ===== 深度防护区块 ===== */
.security-feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}
.security-feature-row:last-child {
    margin-bottom: 0;
}
.feature-media {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--border-glass);
    position: relative;
}
.feature-media img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform .5s ease;
}
.feature-media:hover img {
    transform: scale(1.03);
}
.feature-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(11,21,38,0.5));
    pointer-events: none;
}
.feature-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.4;
}
.feature-content p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-size: 15px;
}
.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.6;
}
.feature-list li i {
    color: var(--brand-cyan);
    font-size: 14px;
    margin-top: 5px;
    flex-shrink: 0;
}

/* ===== 安全步骤流程 ===== */
.steps-section {
    background: linear-gradient(180deg, var(--bg-primary), #081426 50%, var(--bg-primary));
    position: relative;
}
.steps-section::before {
    content: '';
    position: absolute;
    top: 40%;
    left: 0;
    width: 100%;
    height: 300px;
    background: radial-gradient(ellipse at 20% 50%, rgba(30,136,255,0.12), transparent 50%);
    pointer-events: none;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
    z-index: 2;
}
.step-item {
    position: relative;
    padding: 32px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    transition: all .3s ease;
}
.step-item:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 18px;
    box-shadow: 0 0 16px rgba(54,230,255,0.4);
}
.step-item h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.step-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}
.step-line {
    position: absolute;
    top: 52px;
    right: -24px;
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, var(--brand-cyan), transparent);
    display: none;
}
@media (min-width: 1025px) {
    .steps-grid .step-item:not(:last-child) .step-line {
        display: block;
    }
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg-secondary);
}
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: var(--glass-bg);
    border-left: 3px solid transparent;
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .3s ease;
}
.faq-item:hover {
    border-left-color: var(--brand-blue);
    background: var(--glass-bg-hover);
}
.faq-item.open {
    border-left-color: var(--brand-cyan);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    transition: color .25s ease;
    gap: 16px;
}
.faq-question:hover {
    color: var(--brand-cyan);
}
.faq-question .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all .3s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
    color: #fff;
    transform: rotate(180deg);
    border-color: transparent;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 22px;
}

/* ===== CTA ===== */
.cta-panel {
    border-radius: var(--radius-panel);
    padding: 60px 48px;
    background: linear-gradient(135deg, rgba(30,136,255,0.15), rgba(54,230,255,0.08)), rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
    text-align: center;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}
.cta-panel::before {
    content: '';
    position: absolute;
    top: -120px;
    left: 15%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(54,230,255,0.25), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.cta-panel::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: 10%;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(30,136,255,0.25), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.cta-panel h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    position: relative;
    z-index: 2;
}
.cta-panel p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 30px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}
.cta-panel .btn-primary {
    position: relative;
    z-index: 2;
    height: 52px;
    padding: 0 40px;
    font-size: 16px;
}
.cta-safe-note {
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}
.cta-safe-note span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.cta-safe-note i {
    color: #2BD576;
    font-size: 13px;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-dark);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 60px 0 30px;
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-blue), var(--brand-cyan), transparent);
}
.footer-top {
    padding-bottom: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
}
.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 15px;
    transition: all .3s ease;
}
.footer-social a:hover {
    color: var(--brand-cyan);
    background: rgba(54,230,255,0.1);
    border-color: rgba(54,230,255,0.3);
}
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color .25s ease, padding-left .25s ease;
}
.footer-links a:hover {
    color: var(--brand-cyan);
    padding-left: 4px;
}
.footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-contact li {
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.footer-contact li i {
    color: var(--brand-cyan);
    font-size: 14px;
    width: 18px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    color: var(--text-weak);
    font-size: 13px;
}
.footer-bottom a {
    color: var(--text-weak);
}
.footer-bottom a:hover {
    color: var(--brand-cyan);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    .header-cta {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .mobile-drawer {
        display: block;
    }
    .safety-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .security-feature-row {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
    .section-block {
        padding: 56px 0;
    }
    .category-hero {
        padding: 110px 0 60px;
    }
    .category-hero h1 {
        font-size: 30px;
    }
    .section-title {
        font-size: 24px;
    }
    .section-header {
        margin-bottom: 32px;
        flex-direction: column;
        align-items: flex-start;
    }
    .safety-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-ghost {
        width: 100%;
        justify-content: center;
    }
    .cta-panel {
        padding: 40px 20px;
    }
    .cta-panel h2 {
        font-size: 26px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .feature-media img {
        height: 200px;
    }
    .faq-question {
        padding: 16px;
        font-size: 15px;
    }
    .faq-answer {
        padding: 0 16px;
    }
    .faq-item.open .faq-answer {
        padding-bottom: 16px;
    }
}

/* roulang page: category2 */
:root {
            --bg-deep: #0B1526;
            --bg-secondary: #101E33;
            --bg-header: rgba(11, 21, 38, 0.85);
            --brand-blue: #1E88FF;
            --brand-cyan: #36E6FF;
            --gold: #F5C044;
            --text-main: #E9F2FF;
            --text-sub: #98AEC9;
            --text-weak: #5B708F;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-bg-hover: rgba(255, 255, 255, 0.08);
            --glass-border: rgba(255, 255, 255, 0.10);
            --divider: rgba(255, 255, 255, 0.08);
            --radius-lg: 24px;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-normal: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 16px rgba(54, 230, 255, 0.35);
            --transition: all 0.3s ease;
            --container: 1200px;
            --section-gap: 90px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--brand-cyan);
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .section-head h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
            margin: 18px auto 0;
            box-shadow: var(--shadow-glow);
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 15px;
            margin: 16px 0 0;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-header);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--divider);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            box-shadow: var(--shadow-glow);
        }

        .logo-text .logo-pg {
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, 0.06);
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .main-nav .chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            white-space: nowrap;
            transition: var(--transition);
        }

        .main-nav .chip:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav .chip.active {
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            color: #fff;
            box-shadow: 0 4px 16px rgba(30, 136, 255, 0.35);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(54, 230, 255, 0.55);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.18);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-main);
        }

        .btn-lg {
            height: 52px;
            padding: 0 44px;
            font-size: 17px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            padding: 0;
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

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

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

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

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-deep);
            border-left: 1px solid var(--divider);
            z-index: 1100;
            transition: right 0.35s ease;
            padding: 80px 24px 24px;
        }

        .mobile-drawer.open {
            right: 0;
        }

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

        .drawer-nav a {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 16px;
            border-radius: 12px;
            color: var(--text-sub);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }

        .drawer-nav a:hover,
        .drawer-nav a.active {
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            color: #fff;
        }

        .drawer-cta {
            margin-top: 12px;
        }

        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.visible {
            opacity: 1;
            visibility: visible;
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 180px 0 90px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(rgba(7, 16, 32, 0.86), rgba(9, 19, 40, 0.92)),
                repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 80px),
                repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 80px);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .breadcrumb-bar {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .breadcrumb-bar a {
            color: var(--text-sub);
        }

        .breadcrumb-bar a:hover {
            color: var(--brand-cyan);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 192, 68, 0.12);
            border: 1px solid rgba(245, 192, 68, 0.32);
            color: var(--gold);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 28px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 18px;
            letter-spacing: 0.02em;
            color: var(--text-main);
        }

        .page-hero .hero-subtitle {
            font-size: 18px;
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto 36px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: 880px;
            margin: 0 auto;
        }

        .stat-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px 16px;
            backdrop-filter: blur(12px);
            transition: var(--transition);
        }

        .stat-item:hover {
            border-color: rgba(54, 230, 255, 0.3);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            background: linear-gradient(135deg, #fff, var(--brand-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* Featured Games */
        .featured-section {
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-secondary) 100%);
        }

        .featured-grid {
            row-gap: 24px;
        }

        .featured-grid .cell {
            display: flex;
            margin-bottom: 0;
        }

        .featured-grid .cell .game-card {
            width: 100%;
        }

        .game-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-normal);
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.18);
            box-shadow: var(--shadow-hover);
        }

        .game-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

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

        .game-card:hover .game-cover img {
            transform: scale(1.05);
        }

        .hot-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: linear-gradient(90deg, var(--gold), #ffd97a);
            color: #1a1a2e;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            box-shadow: 0 2px 12px rgba(245, 192, 68, 0.4);
        }

        .game-info {
            padding: 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .game-tag {
            display: inline-block;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-cyan);
            background: rgba(54, 230, 255, 0.1);
            border: 1px solid rgba(54, 230, 255, 0.2);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
        }

        .game-info h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .game-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .stars {
            color: var(--gold);
            font-size: 13px;
            letter-spacing: 1px;
        }

        .rating {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }

        .game-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0 0 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-blue);
        }

        .game-link i {
            transition: transform 0.3s ease;
            font-size: 12px;
        }

        .game-link:hover i {
            transform: translateX(4px);
        }

        /* Standard */
        .standard-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }

        .standard-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(30, 136, 255, 0.08);
            filter: blur(80px);
            top: -60px;
            right: -40px;
        }

        .standard-grid {
            row-gap: 24px;
        }

        .standard-grid .cell {
            margin-bottom: 0;
        }

        .standard-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid transparent;
            transition: var(--transition);
            height: 100%;
        }

        .standard-item:hover {
            border-color: var(--glass-border);
            background: var(--glass-bg);
        }

        .standard-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, rgba(30, 136, 255, 0.15), rgba(54, 230, 255, 0.15));
            border: 1px solid rgba(54, 230, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-cyan);
            font-size: 24px;
        }

        .standard-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .standard-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* Ranking */
        .ranking-section {
            background: var(--bg-secondary);
        }

        .ranking-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--divider);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .ranking-item:hover {
            background: var(--glass-bg);
            border-color: var(--glass-border);
        }

        .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.2);
            font-variant-numeric: tabular-nums;
            width: 40px;
            text-align: center;
        }

        .ranking-item:nth-child(1) .rank-num {
            color: var(--gold);
        }

        .ranking-item:nth-child(2) .rank-num {
            color: #c0d6ff;
        }

        .ranking-item:nth-child(3) .rank-num {
            color: #d6a578;
        }

        .rank-info {
            flex: 0 0 140px;
        }

        .rank-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
        }

        .rank-tag {
            font-size: 12px;
            color: var(--text-weak);
        }

        .rank-bar {
            flex: 1;
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }

        .rank-bar span {
            display: block;
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
            box-shadow: var(--shadow-glow);
        }

        .rank-score {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }

        /* Category */
        .category-section {
            background: var(--bg-deep);
        }

        .category-grid {
            row-gap: 20px;
        }

        .category-grid .cell {
            display: flex;
            margin-bottom: 0;
        }

        .category-grid .cell .category-chip {
            width: 100%;
        }

        .category-chip {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            transition: var(--transition);
            height: 100%;
        }

        .category-chip:hover {
            border-color: rgba(54, 230, 255, 0.3);
            background: var(--glass-bg-hover);
            transform: translateY(-3px);
        }

        .category-chip i {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(30, 136, 255, 0.12);
            border: 1px solid rgba(30, 136, 255, 0.2);
            color: var(--brand-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .category-chip h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
        }

        .category-chip p {
            font-size: 13px;
            color: var(--text-sub);
            margin: 0;
            line-height: 1.5;
        }

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

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

        .faq-item {
            border-bottom: 1px solid var(--divider);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--divider);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 4px;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 700;
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--brand-cyan);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 12px;
            transition: transform 0.3s ease, color 0.3s ease, border-color 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--brand-cyan);
            border-color: rgba(54, 230, 255, 0.3);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 4px;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 4px 20px;
        }

        /* CTA */
        .cta-section {
            background: var(--bg-deep);
        }

        .cta-panel {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            background: linear-gradient(135deg, rgba(30, 136, 255, 0.12), rgba(54, 230, 255, 0.06)), rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(54, 230, 255, 0.12);
            filter: blur(70px);
            top: -80px;
            left: -60px;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(30, 136, 255, 0.10);
            filter: blur(70px);
            right: -50px;
            bottom: -80px;
        }

        .cta-panel h2 {
            font-size: 32px;
            font-weight: 800;
            margin: 0 0 12px;
        }

        .cta-panel>p {
            font-size: 16px;
            color: var(--text-sub);
            margin: 0 0 28px;
        }

        .cta-panel .btn-primary {
            position: relative;
            z-index: 2;
        }

        .cta-safe {
            margin-top: 20px !important;
            font-size: 13px;
            color: var(--text-weak);
        }

        /* Footer */
        .site-footer {
            background: #0A1120;
            padding: 0;
            margin-top: 40px;
        }

        .site-footer::before {
            content: '';
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(30, 136, 255, 0.4), rgba(54, 230, 255, 0.4), transparent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding: 48px 0 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            color: var(--brand-cyan);
            border-color: rgba(54, 230, 255, 0.3);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text-main);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-sub);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--brand-cyan);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--brand-blue);
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid var(--divider);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: var(--text-weak);
        }

        .footer-bottom a {
            color: var(--text-weak);
        }

        .footer-bottom a:hover {
            color: var(--brand-cyan);
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .page-hero h1 {
                font-size: 36px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .ranking-item {
                flex-wrap: wrap;
            }

            .rank-bar {
                flex: 1 1 100%;
                order: 3;
            }
        }

        @media (max-width: 640px) {
            :root {
                --section-gap: 56px;
            }

            .container {
                padding: 0 16px;
            }

            .page-hero {
                padding: 130px 0 60px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

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

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

            .section-head h2 {
                font-size: 26px;
            }

            .cta-panel {
                padding: 40px 20px;
            }

            .cta-panel h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .ranking-item {
                gap: 10px;
                padding: 16px;
            }

            .rank-info {
                flex: 1 1 auto;
            }

            .rank-num {
                width: 30px;
            }
        }