/* roulang page: index */
:root {
    --color-primary: #6C4DF6;
    --color-accent: #FF6E40;
    --color-mint: #18D0A8;
    --color-pink: #FF5C8A;
    --color-bg: #FAF8F5;
    --color-card: #FFFFFF;
    --color-dark: #1E1B2E;
    --color-border: #E8E3DC;
    --color-text: #1E1B2E;
    --color-text-light: rgba(30,27,46,0.65);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-card: 0 8px 24px rgba(30,27,46,0.06);
    --shadow-hover: 0 16px 36px rgba(108,77,246,0.14);
    --gradient-brand: linear-gradient(135deg, #6C4DF6 0%, #FF6E40 100%);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }
button { border:none; background:none; cursor:pointer; font-family:inherit; }
input { font-family:inherit; }
.container { max-width:1240px; margin:0 auto; padding:0 24px; }
.section-pad { padding:72px 0; }

/* ===== Left Sidebar ===== */
.app-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 220px;
    height: 100vh;
    background: var(--color-dark);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease;
}
.sidebar-logo {
    height: 64px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.logo-mark {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    flex-shrink: 0;
    letter-spacing: -1px;
}
.logo-text {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 1px;
}
.sidebar-nav { flex: 1; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 48px;
    padding: 0 16px;
    border-radius: 12px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    font-weight: 500;
    transition: background .2s, color .2s;
}
.nav-link i {
    width: 18px;
    text-align: center;
    font-size: 15px;
    flex-shrink: 0;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color:#fff; }
.nav-link.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    position: relative;
}
.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 24px;
    border-radius: 0 4px 4px 0;
    background: var(--gradient-brand);
}
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.4);
    font-size: 12px;
    text-align: center;
}

/* ===== Mobile Header ===== */
.mobile-header {
    display: none;
    position: sticky;
    top: 0; z-index: 90;
    height: 56px;
    background: var(--color-dark);
    align-items: center;
    padding: 0 16px;
    gap: 12px;
}
.hamburger-btn {
    color: #fff;
    font-size: 20px;
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background .2s;
}
.hamburger-btn:hover { background: rgba(255,255,255,0.1); }
.mobile-logo {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    flex: 1;
}
.mobile-badge {
    background: var(--color-accent);
    color: #fff;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
}
.drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.drawer-mask.show { display: block; }

/* ===== Main Content ===== */
.main-content {
    margin-left: 220px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Countdown Bar ===== */
.countdown-bar {
    background: var(--color-dark);
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-shrink: 0;
    padding: 0 24px;
}
.countdown-label {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    letter-spacing: 1px;
}
.countdown-timer { display: flex; gap: 8px; }
.time-block {
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 4px 10px;
    display: flex;
    align-items: baseline;
    gap: 2px;
}
.time-num {
    font-family: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
    color: var(--color-accent);
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
}
.time-unit {
    color: rgba(255,255,255,0.6);
    font-size: 11px;
}
.countdown-ended {
    background: var(--color-accent);
    color: #fff;
    font-size: 12px;
    padding: 4px 16px;
    border-radius: 999px;
    font-weight: 600;
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
    min-height: 420px;
    overflow: hidden;
    display: flex;
    align-items: center;
    background-color: var(--color-dark);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: .4;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(108,77,246,0.8) 0%, rgba(255,110,64,0.65) 100%);
}
.hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 64px 24px;
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.18);
    color: #fff;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: .5px;
}
.hero-left h1 {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.hero-sub {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin-bottom: 28px;
    max-width: 480px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    min-width: 200px;
    padding: 0 28px;
    border-radius: 14px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    transition: filter .2s, transform .2s, box-shadow .2s;
    box-shadow: 0 8px 20px rgba(255,110,64,0.3);
}
.btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255,110,64,0.35);
}
.btn-primary:focus-visible {
    outline: 4px solid rgba(108,77,246,0.4);
    outline-offset: 2px;
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    min-width: 160px;
    padding: 0 24px;
    border-radius: 14px;
    border: 2px solid rgba(255,255,255,0.6);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s, border-color .2s;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}
.hero-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.stat-card {
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-card);
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(108,77,246,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}
.stat-content { display: flex; flex-direction: column; }
.stat-num {
    font-family: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
    font-size: 32px;
    font-weight: 800;
    line-height: 1.1;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    color: var(--color-text-light);
    font-size: 13px;
    margin-top: 2px;
}

/* ===== Section Head ===== */
.section-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}
.section-head::before {
    content: '';
    width: 4px; height: 28px;
    border-radius: 4px;
    background: var(--gradient-brand);
}
.section-head h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}
.section-head .section-sub {
    font-size: 14px;
    color: var(--color-text-light);
    margin-left: 4px;
}

/* ===== Feature Cards ===== */
.feature-section { padding: 72px 0; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(232,227,220,0.6);
    transition: transform .25s, box-shadow .25s;
    position: relative;
    overflow: hidden;
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.feature-large {
    grid-column: span 7;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}
.feature-card:nth-child(2) { grid-column: span 5; }
.feature-card:nth-child(3) { grid-column: span 4; }
.feature-card:nth-child(4) { grid-column: span 4; }
.feature-card:nth-child(5) { grid-column: span 4; }
.feature-num {
    width: 56px; height: 56px;
    border-radius: 16px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "DIN Alternate", "Bahnschrift", monospace;
    flex-shrink: 0;
}
.feature-large .feature-num {
    width: 64px; height: 64px;
    font-size: 24px;
}
.feature-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}
.feature-body p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Gallery Wall ===== */
.gallery-section { padding: 72px 0; background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}
.gallery-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    aspect-ratio: 16/9;
    transition: box-shadow .25s;
}
.gallery-card:hover { box-shadow: var(--shadow-hover); }
.gallery-card-lg { grid-column: span 6; }
.gallery-card-sm { grid-column: span 4; }
.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.gallery-card:hover .gallery-img { transform: scale(1.05); }
.gallery-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30,27,46,0.85) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 24px;
}
.gallery-mask .g-title {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.gallery-mask .g-sub {
    color: rgba(255,255,255,0.75);
    font-size: 13px;
    margin-top: 4px;
}
.gallery-arrow {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    transition: background .2s, transform .2s;
    flex-shrink: 0;
    backdrop-filter: blur(4px);
}
.gallery-card:hover .gallery-arrow { transform: translateX(4px); background: var(--color-accent); }

/* ===== CTA Section ===== */
.cta-section { padding: 72px 0; }
.cta-card {
    border-radius: 32px;
    background: var(--gradient-brand);
    padding: 56px 64px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.cta-card::after {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    top: -100px; right: -50px;
}
.cta-left { position: relative; z-index: 2; }
.cta-left h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.3;
}
.step-list { display: flex; flex-direction: column; gap: 24px; }
.step-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: rgba(255,255,255,0.95);
    font-size: 15px;
}
.step-num {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.4);
    flex-shrink: 0;
}
.cta-right {
    background: rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 40px 36px;
    backdrop-filter: blur(8px);
    position: relative;
    z-index: 2;
}
.cta-form { display: flex; flex-direction: column; gap: 16px; }
.cta-form h3 { color: #fff; font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.cta-input {
    width: 100%;
    height: 52px;
    border-radius: 14px;
    border: none;
    padding: 0 18px;
    font-size: 15px;
    background: #fff;
    outline: none;
    transition: box-shadow .2s;
}
.cta-input:focus { box-shadow: 0 0 0 4px rgba(255,255,255,0.3); }
.cta-input::placeholder { color: rgba(30,27,46,0.4); }
.cta-submit {
    height: 52px;
    border-radius: 14px;
    background: #fff;
    color: var(--color-primary);
    font-size: 15px;
    font-weight: 700;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.cta-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.form-tip { font-size: 13px; color: rgba(255,255,255,0.85); }
.cta-note {
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    margin-top: 8px;
}

/* ===== FAQ ===== */
.faq-section { padding: 72px 0; }
.faq-list { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: var(--color-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.faq-item.active { border-color: var(--color-primary); box-shadow: var(--shadow-card); }
.faq-q {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    cursor: pointer;
    min-height: 56px;
}
.faq-q-icon {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(108,77,246,0.1);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.faq-q-text {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}
.faq-q-toggle {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(108,77,246,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 14px;
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item.active .faq-q-toggle { transform: rotate(45deg); background: var(--color-primary); color: #fff; }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 24px;
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1.8;
}
.faq-item.active .faq-a { max-height: 300px; padding: 0 24px 20px; }

/* ===== CMS News ===== */
.news-section { padding: 72px 0; background: #fff; border-top: 1px solid var(--color-border); }
.news-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
}
.news-sidebar .section-head { margin-bottom: 24px; }
.news-sidebar-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}
.news-sidebar .more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    transition: gap .2s;
}
.news-sidebar .more-link:hover { gap: 12px; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    border: 1px solid transparent;
    transition: background .2s, border-color .2s, transform .2s;
}
.news-item:hover {
    border-color: var(--color-primary);
    background: #fff;
    transform: translateX(4px);
    box-shadow: var(--shadow-card);
}
.news-cat {
    width: 72px;
    flex-shrink: 0;
    background: rgba(108,77,246,0.1);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    padding: 6px 8px;
    border-radius: 8px;
}
.news-info { flex: 1; min-width: 0; }
.news-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}
.news-desc {
    font-size: 13px;
    color: var(--color-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
    display: block;
}
.news-time {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--color-text-light);
    background: rgba(30,27,46,0.05);
    padding: 4px 10px;
    border-radius: 999px;
    font-family: "DIN Alternate", "Roboto", monospace;
}
.cms-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-light);
    font-size: 15px;
}
.cms-empty .empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: .5;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.6);
    margin-top: auto;
}
.footer-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 56px 24px 32px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); }
.footer-col h3 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: color .2s;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1279px) {
    .app-sidebar { width: 80px; }
    .logo-text { display: none; }
    .nav-link span { display: none; }
    .nav-link { justify-content: center; padding: 0; }
    .nav-link.active::before { height: 20px; }
    .main-content { margin-left: 80px; }
    .section-pad { padding: 56px 0; }
}
@media (max-width: 1023px) {
    .app-sidebar { display: none; }
    .main-content { margin-left: 0; }
    .mobile-header { display: flex; }
    .mobile-header .drawer-mask.show { display: block; }
    .app-sidebar.open { display: flex; transform: translateX(0); }
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform .3s;
    }
    .app-sidebar .logo-text { display: inline; }
    .app-sidebar .nav-link { justify-content: flex-start; padding: 0 16px; }
    .app-sidebar .nav-link span { display: inline; }
    .hero-inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 24px; }
    .hero-left h1 { font-size: 28px; }
    .feature-large { grid-column: span 12; }
    .feature-card:nth-child(2) { grid-column: span 12; }
    .feature-card:nth-child(3), .feature-card:nth-child(4), .feature-card:nth-child(5) { grid-column: span 4; }
    .feature-card:nth-child(5) { grid-column: span 4; }
    .gallery-card-lg, .gallery-card-sm { grid-column: span 6; }
    .cta-card { grid-template-columns: 1fr; gap: 32px; padding: 40px 28px; }
    .news-layout { grid-template-columns: 1fr; gap: 32px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
    .section-pad { padding: 40px 0; }
    .feature-card:nth-child(3), .feature-card:nth-child(4), .feature-card:nth-child(5) { grid-column: span 12; }
    .gallery-card-lg, .gallery-card-sm { grid-column: span 12; }
    .gallery-grid { gap: 16px; }
    .countdown-bar { height: auto; padding: 10px 16px; flex-wrap: wrap; gap: 10px; }
    .countdown-timer { gap: 6px; }
    .time-block { padding: 3px 8px; }
    .time-num { font-size: 14px; }
    .hero-inner { padding: 36px 16px; }
    .hero-left h1 { font-size: 26px; }
    .hero-btns { flex-direction: column; width: 100%; }
    .btn-primary, .btn-outline { width: 100%; }
    .stat-card { padding: 16px; }
    .stat-num { font-size: 26px; }
    .cta-card { padding: 32px 20px; border-radius: 20px; }
    .cta-right { padding: 24px 20px; }
    .news-item { flex-wrap: wrap; padding: 14px; }
    .news-cat { width: auto; }
    .news-time { margin-left: auto; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; padding: 40px 16px 24px; }
    .faq-q { padding: 14px 16px; }
    .faq-q-text { font-size: 14px; }
}

/* roulang page: category1 */
:root {
            --primary: #6C4DF6;
            --accent: #FF6E40;
            --mint: #18D0A8;
            --pink: #FF5C8A;
            --bg: #FAF8F5;
            --card: #FFFFFF;
            --dark: #1E1B2E;
            --border: #E8E3DC;
            --text: #2A2735;
            --weak: rgba(42, 39, 53, 0.65);
            --faint: rgba(42, 39, 53, 0.42);
            --radius-lg: 24px;
            --radius-md: 14px;
            --shadow-card: 0 8px 24px rgba(30, 27, 46, 0.06);
            --shadow-hover: 0 16px 36px rgba(108, 77, 246, 0.14);
            --gradient: linear-gradient(135deg, #6C4DF6 0%, #FF6E40 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul {
            list-style: none;
        }

        .num-font {
            font-family: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 220px;
            background: var(--dark);
            z-index: 60;
            display: flex;
            flex-direction: column;
            padding: 0 0 20px;
            transition: width 0.3s ease;
        }

        .sidebar-logo {
            height: 64px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--gradient);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(255, 110, 64, 0.35);
        }

        .sidebar-logo span {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .sidebar-nav {
            padding: 16px 10px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 48px;
            padding: 0 14px;
            border-radius: 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-link.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 600;
        }

        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: var(--gradient);
        }

        .sidebar-foot {
            padding: 16px 18px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            line-height: 1.5;
        }

        .main-content {
            margin-left: 220px;
            flex: 1;
            display: flex;
            flex-direction: column;
            width: calc(100% - 220px);
        }

        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 55;
            height: 56px;
            background: var(--dark);
            color: #fff;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-menu-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
        }

        .mobile-badge {
            background: var(--mint);
            color: #0b3b2f;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 70;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 80%;
            max-width: 320px;
            background: var(--dark);
            z-index: 80;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            display: flex;
            flex-direction: column;
            padding: 16px 0 24px;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 18px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 12px;
        }

        .drawer-logo span {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

        .mobile-drawer .sidebar-nav {
            padding: 0 12px;
        }

        /* 页面区块间距 */
        .page-section {
            padding: 56px 32px 64px;
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .section-title-bar {
            width: 4px;
            height: 22px;
            border-radius: 4px;
            background: var(--gradient);
            flex-shrink: 0;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .section-sub {
            color: var(--weak);
            font-size: 15px;
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.7;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: filter 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 110, 64, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(255, 110, 64, 0.32);
        }

        .btn-primary:focus-visible {
            outline: 4px solid rgba(108, 77, 246, 0.25);
            outline-offset: 2px;
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 20px rgba(30, 27, 46, 0.2);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(30, 27, 46, 0.28);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(108, 77, 246, 0.1);
        }

        .btn:focus-visible {
            outline: 4px solid rgba(108, 77, 246, 0.25);
            outline-offset: 2px;
        }

        /* 横幅 */
        .page-banner {
            position: relative;
            min-height: 320px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding: 48px 32px;
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(30, 27, 46, 0.88) 0%, rgba(108, 77, 246, 0.55) 55%, rgba(255, 110, 64, 0.35) 100%);
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 1240px;
            width: 100%;
            margin: 0 auto;
        }

        .banner-crumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
        }

        .banner-crumb a {
            color: rgba(255, 255, 255, 0.75);
            padding: 4px 0;
        }

        .banner-crumb a:hover {
            color: #fff;
        }

        .banner-crumb i {
            font-size: 10px;
            opacity: 0.7;
        }

        .banner-crumb .current {
            color: #fff;
            font-weight: 600;
        }

        .page-banner h1 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .banner-desc {
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 内容介绍区 */
        .intro-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .intro-copy h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text);
        }

        .intro-copy p {
            color: var(--weak);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .intro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 22px 16px;
            text-align: center;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

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

        /* 信息卡网格 */
        .entry-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .entry-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(108, 77, 246, 0.3);
        }

        .entry-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .entry-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(30, 27, 46, 0.75);
            color: #fff;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            z-index: 2;
        }

        .entry-card-body {
            padding: 22px 22px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .entry-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .entry-card-body p {
            font-size: 14px;
            color: var(--weak);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }

        .entry-steps {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 14px 16px;
            background: var(--bg);
            border-radius: 14px;
            margin-bottom: 16px;
        }

        .entry-steps li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text);
        }

        .entry-steps li i {
            color: var(--primary);
            font-size: 12px;
            width: 16px;
            text-align: center;
        }

        .entry-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .entry-foot a {
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .entry-foot a i {
            transition: transform 0.25s ease;
        }

        .entry-foot a:hover i {
            transform: translateX(4px);
        }

        .entry-foot span {
            font-size: 12px;
            color: var(--faint);
        }

        /* 流程 */
        .steps-section {
            background: var(--dark);
            border-radius: 32px;
            margin: 0 32px;
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: rgba(255, 110, 64, 0.2);
            border-radius: 50%;
            filter: blur(60px);
        }

        .steps-section .section-title {
            color: #fff;
        }

        .steps-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 24px 20px;
            transition: background 0.3s ease, transform 0.3s ease;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 16px;
            box-shadow: 0 6px 16px rgba(255, 110, 64, 0.35);
        }

        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }

        /* 服务保障 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 26px 22px;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(108, 77, 246, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 13px;
            color: var(--weak);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(108, 77, 246, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            min-height: 58px;
            padding: 0 20px;
            cursor: pointer;
            user-select: none;
        }

        .q-badge {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(108, 77, 246, 0.12);
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-question h3 {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--weak);
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 64px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--weak);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 48px 32px 72px;
        }

        .cta-card {
            max-width: 1200px;
            margin: 0 auto;
            background: var(--gradient);
            border-radius: 32px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(108, 77, 246, 0.25);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50%;
        }

        .cta-copy {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .cta-copy h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: #fff;
            padding: 56px 32px 24px;
            border-radius: 32px 32px 0 0;
            margin: 0 20px 20px;
        }

        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo span {
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 10px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            max-width: 1240px;
            margin: 40px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
            text-align: center;
            line-height: 1.6;
        }

        /* 响应式 */
        @media (max-width: 1279px) {
            .sidebar {
                width: 80px;
            }

            .sidebar-logo {
                padding: 0 22px;
            }

            .sidebar-logo span {
                display: none;
            }

            .sidebar-nav {
                padding: 16px 10px;
            }

            .nav-link {
                justify-content: center;
                padding: 0;
            }

            .nav-link span {
                display: none;
            }

            .sidebar-foot {
                text-align: center;
                padding: 16px 8px 0;
                font-size: 11px;
            }

            .main-content {
                margin-left: 80px;
                width: calc(100% - 80px);
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }

            .main-content {
                margin-left: 0;
                width: 100%;
            }

            .mobile-topbar {
                display: flex;
            }

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

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

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

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

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

            .site-footer {
                margin: 0 0 0;
                border-radius: 0;
            }

            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 28px;
            }
        }

        @media (max-width: 767px) {
            .page-section {
                padding: 40px 16px 48px;
            }

            .page-banner {
                padding: 36px 20px;
                min-height: 280px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .banner-desc {
                font-size: 14px;
            }

            .banner-actions .btn {
                height: 44px;
                padding: 0 20px;
                font-size: 14px;
            }

            .intro-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .stat-card {
                padding: 16px 8px;
            }

            .stat-num {
                font-size: 22px;
            }

            .entry-cards-grid {
                grid-template-columns: 1fr;
            }

            .steps-section {
                margin: 0 16px;
                padding: 40px 20px;
                border-radius: 24px;
            }

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

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

            .section-title {
                font-size: 20px;
            }

            .section-sub {
                font-size: 14px;
            }

            .faq-question {
                padding: 0 14px;
                gap: 10px;
            }

            .faq-item.open .faq-answer {
                padding-left: 14px;
            }

            .cta-section {
                padding: 32px 16px 48px;
            }

            .cta-card {
                padding: 28px 20px;
                border-radius: 24px;
            }

            .cta-copy h2 {
                font-size: 20px;
            }

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

            .site-footer {
                padding: 40px 20px 20px;
            }
        }

/* roulang page: article */
:root {
  --primary: #6C4DF6;
  --primary-light: #8B6FF8;
  --accent: #FF6E40;
  --success: #18D0A8;
  --pink: #FF5C8A;
  --bg: #FAF8F5;
  --card-bg: #FFFFFF;
  --dark: #1E1B2E;
  --dark-light: #2A2640;
  --border: #E8E3DC;
  --text: #2D2A3A;
  --text-weak: #6B6878;
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --shadow-card: 0 8px 24px rgba(30,27,46,0.06);
  --shadow-hover: 0 16px 36px rgba(108,77,246,0.14);
  --gradient-brand: linear-gradient(135deg, #6C4DF6 0%, #FF6E40 100%);
  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
  --font-number: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { border: none; cursor: pointer; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea { font-family: inherit; }

/* ===== 左侧导航 ===== */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 220px;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  z-index: 60;
}
.sidebar-logo {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-logo span {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.sidebar-nav {
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}
.nav-link i { width: 20px; text-align: center; font-size: 16px; flex-shrink: 0; }
.nav-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.nav-link.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-weight: 600;
}
.nav-link.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  border-radius: 0 4px 4px 0;
  background: var(--gradient-brand);
}
.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.sidebar-bottom {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  text-align: center;
  line-height: 1.6;
}

/* ===== 主内容 ===== */
.main-wrapper {
  margin-left: 220px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 40px 24px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: #B8B4C0; }
.breadcrumb .crumb-title {
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
  color: var(--text);
}

/* ===== 动态 TDK 区 ===== */
.article-tdk {
  background: linear-gradient(135deg, #F3F0FF 0%, #FFF5EF 100%);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  margin-bottom: 28px;
  border: 1px solid rgba(108,77,246,0.12);
  box-shadow: var(--shadow-card);
}
.article-tdk h1 {
  font-size: 34px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.tdk-desc {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tdk-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-weak);
  background: rgba(255,255,255,0.65);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(108,77,246,0.08);
}
.meta-item i { color: var(--primary); font-size: 13px; }

/* ===== 正文区 ===== */
.article-body {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px 48px;
  max-width: 900px;
  box-shadow: var(--shadow-card);
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  margin: 36px 0 18px;
  color: var(--text);
}
.article-body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--text);
}
.article-body p {
  margin-bottom: 1.5em;
  line-height: 1.8;
  color: #3A3746;
}
.article-body img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 24px 0;
  box-shadow: 0 6px 18px rgba(30,27,46,0.08);
}
.article-body blockquote {
  background: #F6F4F1;
  border-left: 4px solid var(--primary);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: var(--text-weak);
  font-size: 15px;
}
.article-body ul,
.article-body ol {
  margin: 16px 0 24px 24px;
  line-height: 1.8;
  color: #3A3746;
}
.article-body ul li { list-style: disc; margin-bottom: 6px; }
.article-body ol li { list-style: decimal; margin-bottom: 6px; }
.article-body a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-body a:hover { color: var(--accent); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-body th {
  background: #F6F4F1;
  font-weight: 600;
}
.not-found {
  text-align: center;
  padding: 60px 20px;
}
.not-found i {
  font-size: 52px;
  color: #DAD6E0;
  margin-bottom: 16px;
  display: block;
}
.not-found p {
  font-size: 18px;
  color: var(--text-weak);
  margin-bottom: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 8px 20px rgba(255,110,64,0.25);
  transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255,110,64,0.32);
}
.btn-primary:focus-visible {
  outline: 4px solid rgba(108,77,246,0.3);
  outline-offset: 2px;
}

/* ===== 相关推荐 ===== */
.related-section {
  margin-top: 40px;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.section-head .bar {
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--gradient-brand);
}
.section-head h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--card-bg);
  border-radius: 18px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.related-card:focus-visible {
  outline: 4px solid rgba(108,77,246,0.3);
  outline-offset: 2px;
}
.related-thumb {
  height: 140px;
  overflow: hidden;
  position: relative;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.05);
}
.related-body {
  padding: 16px 18px 14px;
}
.related-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(108,77,246,0.1);
  padding: 2px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.related-body h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text);
}
.related-time {
  font-size: 12px;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ===== 返回列表 ===== */
.back-link {
  text-align: center;
  margin-top: 36px;
  margin-bottom: 16px;
}
.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 26px;
  border-radius: 999px;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s, transform 0.2s, color 0.2s;
}
.back-link a:hover {
  background: rgba(108,77,246,0.08);
  transform: translateX(-4px);
}
.back-link a:focus-visible {
  outline: 4px solid rgba(108,77,246,0.3);
  outline-offset: 2px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: #fff;
  margin-left: 0;
}
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 52px 40px 38px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  width: 34px;
  height: 34px;
  font-size: 18px;
  border-radius: 10px;
}
.footer-logo span {
  font-size: 16px;
  font-weight: 700;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 340px;
}
.footer-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 40px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ===== 移动端顶栏与抽屉 ===== */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  height: 56px;
  background: var(--dark);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 70;
}
.mobile-menu-btn {
  color: #fff;
  font-size: 18px;
  padding: 8px;
  border-radius: 8px;
}
.mobile-menu-btn:focus-visible {
  outline: 2px solid var(--accent);
}
.mobile-logo {
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-logo .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 14px;
  border-radius: 8px;
}
.mobile-badge {
  background: rgba(255,255,255,0.12);
  color: var(--accent);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 80;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-overlay.show {
  opacity: 1;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 80%;
  max-width: 320px;
  background: var(--dark);
  z-index: 90;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-drawer.open {
  transform: translateX(0);
}
.mobile-drawer .sidebar-logo {
  height: auto;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0 0 16px;
  margin-bottom: 16px;
}
.mobile-drawer .sidebar-nav {
  padding: 0;
  flex: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 1279px) {
  .sidebar { width: 80px; }
  .sidebar-logo { justify-content: center; padding: 0; }
  .sidebar-logo span { display: none; }
  .sidebar-nav { padding: 12px 8px; }
  .nav-link { justify-content: center; padding: 0; }
  .nav-link span { display: none; }
  .nav-link.active::before { left: -8px; }
  .sidebar-bottom { font-size: 0; }
  .sidebar-bottom::before { content: '© 2026'; }
  .main-wrapper { margin-left: 80px; }
  .main-content { padding: 28px 32px 20px; }
}

@media (max-width: 1023px) {
  .sidebar { display: none; }
  .main-wrapper { margin-left: 0; }
  .mobile-topbar { display: flex; }
  .main-content { padding: 16px 16px 12px; }
  .footer-inner { grid-template-columns: 1fr 1fr; padding: 40px 24px 30px; gap: 28px; }
  .footer-bottom { padding: 16px 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-tdk h1 { font-size: 28px; }
}

@media (max-width: 767px) {
  .article-body { padding: 24px 18px; }
  .article-tdk { padding: 24px 20px; }
  .article-tdk h1 { font-size: 24px; }
  .tdk-meta { gap: 10px; }
  .breadcrumb { font-size: 13px; }
  .breadcrumb .crumb-title { max-width: 150px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-thumb { height: 160px; }
}

/* roulang page: category3 */
:root {
            --primary: #6C4DF6;
            --accent: #FF6E40;
            --mint: #18D0A8;
            --rosy: #FF5C8A;
            --paper: #FAF8F5;
            --night: #1E1B2E;
            --line: #E8E3DC;
            --text-main: #2A2840;
            --text-sub: #6E6A80;
            --text-weak: #9A96A8;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(30, 27, 46, 0.06);
            --shadow-hover: 0 16px 36px rgba(108, 77, 246, 0.14);
            --gradient: linear-gradient(135deg, #6C4DF6 0%, #FF6E40 100%);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
            background: var(--paper);
            color: var(--text-main);
            line-height: 1.75;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 侧栏 ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 220px;
            background: var(--night);
            color: #fff;
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 24px 16px;
            transition: transform .3s;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 64px;
            padding: 0 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }
        .logo-mark {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 77, 246, 0.4);
        }
        .sidebar-logo span {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 48px;
            padding: 0 14px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            transition: background .2s, color .2s;
            position: relative;
        }
        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .nav-link.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 0 4px 4px 0;
            background: var(--gradient);
        }
        .sidebar-bottom {
            padding: 12px 14px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .main-content {
            margin-left: 220px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部栏 */
        .mobile-header {
            display: none;
        }
        .drawer-overlay {
            display: none;
        }

        @media(min-width:1024px) and (max-width:1279px) {
            .sidebar {
                width: 80px;
                padding: 24px 10px;
            }
            .sidebar .sidebar-logo span,
            .sidebar .nav-link span,
            .sidebar .sidebar-bottom span {
                display: none;
            }
            .sidebar-logo {
                justify-content: center;
                padding: 0;
            }
            .sidebar .nav-link {
                justify-content: center;
                padding: 0;
            }
            .main-content {
                margin-left: 80px;
            }
        }
        @media(max-width:1023px) {
            .sidebar {
                transform: translateX(-100%);
                width: 80%;
                max-width: 280px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                height: 56px;
                background: var(--night);
                color: #fff;
                padding: 0 16px;
                position: sticky;
                top: 0;
                z-index: 90;
            }
            .menu-btn {
                background: none;
                border: none;
                color: #fff;
                font-size: 20px;
                cursor: pointer;
                padding: 8px;
            }
            .mobile-logo {
                font-size: 16px;
                font-weight: 700;
            }
            .mobile-badge {
                background: var(--gradient);
                font-size: 12px;
                padding: 4px 10px;
                border-radius: 999px;
                color: #fff;
            }
            .drawer-overlay.show {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 99;
            }
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 12px;
            background: var(--gradient);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(255, 110, 64, 0.25);
            transition: transform .2s, filter .2s, box-shadow .2s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
            box-shadow: 0 12px 28px rgba(108, 77, 246, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 4px solid rgba(108, 77, 246, 0.3);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: background .2s, transform .2s;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 12px;
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            transition: transform .2s, box-shadow .2s;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 12px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: background .2s;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            overflow: hidden;
            min-height: 400px;
            display: flex;
            align-items: center;
            background: var(--night);
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .category-hero .hero-gradient {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 77, 246, 0.9) 0%, rgba(30, 27, 46, 0.8) 55%, rgba(255, 110, 64, 0.45) 100%);
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .hero-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            max-width: 640px;
            margin-bottom: 16px;
        }
        .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.75;
        }

        /* ===== Banner ===== */
        .banner-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        /* ===== 内容介绍 ===== */
        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(108, 77, 246, 0.08);
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin-top: 12px;
            color: var(--text-main);
        }
        .stat-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 18px 10px;
            text-align: center;
            transition: transform .2s, box-shadow .2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-num {
            display: block;
            font-size: 30px;
            font-weight: 800;
            font-family: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }
        .stat-unit {
            display: block;
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* ===== 功能卡 ===== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(108, 77, 246, 0.09);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

        /* ===== 流程 ===== */
        .process-section {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .process-step {
            text-align: center;
            padding: 24px 16px;
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            transition: transform .2s, box-shadow .2s;
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            font-family: "DIN Alternate", "Roboto", monospace;
            margin-bottom: 14px;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(108, 77, 246, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 56px;
            padding: 12px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
        }
        .faq-q-badge {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(108, 77, 246, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }
        .faq-icon {
            margin-left: auto;
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--paper);
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform .3s, background .3s, color .3s;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s;
            padding: 0 24px 0 68px;
        }
        .faq-item.active .faq-answer {
            max-height: 260px;
            padding: 0 24px 18px 68px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-card {
            background: var(--gradient);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            box-shadow: 0 16px 40px rgba(108, 77, 246, 0.3);
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 800;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.85);
            margin-top: 8px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--night);
            color: #fff;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            padding: 56px 24px 32px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.9);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media(max-width:767px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-top: 40px;
            }
            .hero-title {
                font-size: 28px;
            }
            .category-hero {
                min-height: 360px;
            }
            .cta-card {
                padding: 32px 20px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #6C4DF6;
            --accent: #FF6E40;
            --success: #18D0A8;
            --pink: #FF5C8A;
            --bg: #FAF8F5;
            --card: #FFFFFF;
            --dark: #1E1B2E;
            --border: #E8E3DC;
            --text: #1E1B2E;
            --text-weak: rgba(30, 27, 46, 0.65);
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow: 0 8px 24px rgba(30, 27, 46, 0.06);
            --shadow-hover: 0 16px 36px rgba(108, 77, 246, 0.14);
            --gradient: linear-gradient(135deg, #6C4DF6 0%, #FF6E40 100%);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Sidebar ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 220px;
            height: 100vh;
            background: var(--dark);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 20px 14px;
            transition: transform .3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 8px 20px;
            height: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 20px;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            background: var(--gradient);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
        }
        .brand-text {
            font-weight: 700;
            font-size: 16px;
            white-space: nowrap;
            letter-spacing: .5px;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 48px;
            padding: 0 14px;
            border-radius: 12px;
            color: rgba(255, 255, 255, .7);
            font-size: 14.5px;
            transition: all .2s ease;
            position: relative;
        }
        .sidebar-nav .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }
        .sidebar-nav .nav-link.active {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-weight: 600;
        }
        .sidebar-nav .nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--gradient);
            border-radius: 0 4px 4px 0;
        }
        .sidebar-nav .nav-link:focus-visible {
            outline: 2px solid rgba(255, 255, 255, .6);
            outline-offset: -2px;
        }
        .sidebar-footer {
            padding: 16px 8px 4px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 12.5px;
            color: rgba(255, 255, 255, .45);
        }
        .sidebar-footer a {
            color: rgba(255, 255, 255, .45);
            transition: color .2s;
        }
        .sidebar-footer a:hover {
            color: #fff;
        }

        /* ===== Main wrapper ===== */
        .main-wrapper {
            margin-left: 220px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Mobile header ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--dark);
            color: #fff;
            z-index: 90;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .menu-toggle {
            color: #fff;
            font-size: 18px;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
        }
        .mobile-header .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
        }
        .mobile-header .mobile-badge {
            background: rgba(255, 255, 255, .1);
            color: var(--accent);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .sidebar-overlay {
            display: none;
        }

        /* ===== Section & typography ===== */
        section {
            position: relative;
        }
        .section-tag {
            display: inline-block;
            background: rgba(108, 77, 246, .08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.3;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 110, 64, .25);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(108, 77, 246, .08);
        }
        .btn-outline-white {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 20px rgba(30, 27, 46, .15);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(30, 27, 46, .2);
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-white:focus-visible,
        .text-link:focus-visible,
        .faq-question:focus-visible {
            outline: 4px solid rgba(108, 77, 246, .25);
            outline-offset: 2px;
        }
        .text-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s;
        }
        .text-link:hover {
            gap: 10px;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 72px 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(108, 77, 246, .88) 0%, rgba(255, 110, 64, .78) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .15);
            color: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            backdrop-filter: blur(4px);
            margin-bottom: 18px;
        }
        .category-hero h1 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .category-hero .hero-subtitle {
            color: rgba(255, 255, 255, .9);
            font-size: 17px;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .stat-card {
            background: rgba(255, 255, 255, .95);
            border-radius: 18px;
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, .5);
            transition: transform .25s, box-shadow .25s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-family: "DIN Alternate", "Bahnschrift", "Roboto", monospace;
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-number span {
            font-size: 15px;
            color: var(--text-weak);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ===== About ===== */
        .about-section {
            padding: 80px 0;
        }
        .about-section p {
            color: var(--text-weak);
            margin-bottom: 16px;
            font-size: 15px;
        }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            min-height: 280px;
            height: 100%;
        }
        .about-image img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
        }

        /* ===== Benefit cards ===== */
        .benefit-section {
            padding: 80px 0;
            background: #fff;
        }
        .benefit-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: transform .25s, box-shadow .25s, border-color .25s;
            display: flex;
            flex-direction: column;
            position: relative;
            height: 100%;
        }
        .benefit-card.featured {
            border-color: rgba(255, 110, 64, .3);
            box-shadow: 0 12px 32px rgba(255, 110, 64, .1);
        }
        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .benefit-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 92, 138, .12);
            color: var(--pink);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
        }
        .benefit-card h3 {
            margin-bottom: 10px;
        }
        .benefit-card p {
            font-size: 14px;
            color: var(--text-weak);
            flex: 1;
        }
        .benefit-meta {
            display: flex;
            gap: 14px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .benefit-meta span {
            font-size: 13px;
            color: var(--primary);
            background: rgba(108, 77, 246, .08);
            padding: 4px 10px;
            border-radius: 999px;
        }
        .benefit-meta i {
            color: var(--success);
            margin-right: 4px;
        }

        /* ===== Process ===== */
        .process-section {
            padding: 80px 0;
        }
        .process-step {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            text-align: center;
            transition: transform .25s, box-shadow .25s;
            height: 100%;
        }
        .process-step:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--gradient);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 20px rgba(108, 77, 246, .25);
        }
        .process-step h3 {
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ===== Scene / tags ===== */
        .scene-section {
            padding: 80px 0;
            background: #fff;
        }
        .scene-section p {
            color: var(--text-weak);
            font-size: 15px;
            margin-bottom: 24px;
        }
        .game-tags {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .game-tag {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all .25s;
            cursor: pointer;
        }
        .game-tag:hover {
            border-color: var(--primary);
            background: rgba(108, 77, 246, .06);
            transform: translateY(-2px);
        }
        .game-tag i {
            color: var(--primary);
            font-size: 20px;
            width: 24px;
            text-align: center;
        }
        .game-tag span {
            font-size: 15px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }
        .faq-section .section-tag {
            margin-bottom: 14px;
        }
        .faq-section h2 {
            margin-bottom: 14px;
        }
        .faq-section .faq-intro {
            color: var(--text-weak);
            font-size: 15px;
            margin-bottom: 24px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(108, 77, 246, .08);
        }
        .faq-question {
            height: 56px;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            user-select: none;
        }
        .faq-q-icon {
            width: 28px;
            height: 28px;
            background: rgba(108, 77, 246, .1);
            color: var(--primary);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-question>span:not(.faq-q-icon) {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
        }
        .faq-toggle {
            color: var(--primary);
            font-size: 16px;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px 66px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
        }
        .cta-card {
            background: var(--gradient);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            box-shadow: 0 16px 48px rgba(108, 77, 246, .25);
        }
        .cta-card h2 {
            color: #fff;
            margin-bottom: 8px;
            font-size: 28px;
        }
        .cta-card p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #fff;
            padding: 60px 0 0;
            margin-top: auto;
        }
        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--gradient);
            border-radius: 8px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .footer-logo span {
            font-size: 17px;
            font-weight: 700;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            line-height: 1.7;
        }
        .footer-col h3 {
            font-size: 15px;
            margin-bottom: 16px;
            color: #fff;
            font-weight: 600;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 24px;
            text-align: center;
            color: rgba(255, 255, 255, .45);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .app-sidebar {
                width: 85%;
                max-width: 320px;
                transform: translateX(-100%);
                box-shadow: none;
            }
            .app-sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 60px rgba(0, 0, 0, .4);
            }
            .sidebar-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, .5);
                z-index: 95;
                opacity: 0;
                pointer-events: none;
                transition: opacity .3s;
            }
            .sidebar-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 56px;
            }
            .category-hero {
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            h2 {
                font-size: 20px;
            }
            .category-hero {
                padding: 48px 0;
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-subtitle {
                font-size: 15px;
            }
            .stat-card {
                padding: 14px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-number span {
                font-size: 12px;
            }
            .stat-label {
                font-size: 12px;
            }
            .about-section,
            .benefit-section,
            .process-section,
            .scene-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }
            .cta-card {
                flex-direction: column;
                padding: 36px 24px;
                text-align: center;
            }
            .cta-card h2 {
                font-size: 22px;
            }
            .faq-item.active .faq-answer {
                padding-left: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1;
            }
        }
        @media (max-width: 480px) {
            .game-tags {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .game-tag {
                padding: 14px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stat-card {
                padding: 12px 10px;
            }
            .stat-number {
                font-size: 22px;
            }
        }