/* roulang page: index */
:root {
    --clr-primary: #F0452F;
    --clr-primary-deep: #C62828;
    --clr-ink: #1A2230;
    --clr-ink-soft: #111826;
    --clr-gold: #F5A623;
    --clr-cyan: #17C3A6;
    --clr-bg: #FBF8F3;
    --clr-surface: #FFFFFF;
    --clr-border: #ECE6DE;
    --clr-muted: #6B7280;
    --gradient-brand: linear-gradient(135deg, #F0452F 0%, #C62828 100%);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 8px 30px rgba(26, 34, 48, 0.06);
    --shadow-hover: 0 16px 40px rgba(240, 69, 47, 0.12);
    --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.85;
    color: #3D4351;
    background: var(--clr-bg);
    font-feature-settings: "tnum";
    -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--clr-ink);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 12px;
}
h1 {
    font-size: clamp(34px, 4.5vw, 42px);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
}
h2 {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    position: relative;
    padding-left: 20px;
    margin-bottom: 16px;
}
h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    width: 5px;
    height: 26px;
    border-radius: 4px;
    background: var(--gradient-brand);
}
h3 {
    font-size: 20px;
    font-weight: 600;
}
p {
    margin: 0 0 14px;
    color: #3D4351;
}
a {
    color: var(--clr-ink);
    text-decoration: none;
    transition: color 0.25s ease;
}
a:hover {
    color: var(--clr-primary);
    text-decoration: underline;
}
img {
    max-width: 100%;
    height: auto;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    border: none;
    border-radius: 16px;
    padding: 14px 32px;
    height: 52px;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}
.btn-brand {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 4px 18px rgba(240, 69, 47, 0.25);
}
.btn-brand:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(240, 69, 47, 0.28);
    text-decoration: none;
}
.btn-brand:active {
    transform: translateY(0);
    filter: brightness(0.95);
}
.btn-brand:focus-visible {
    outline: 3px solid rgba(240, 69, 47, 0.45);
    outline-offset: 2px;
}
.btn-outline-brand {
    background: transparent;
    color: var(--clr-primary);
    border: 1.5px solid var(--clr-primary);
}
.btn-outline-brand:hover {
    background: #FFF0ED;
    color: var(--clr-primary-deep);
    transform: translateY(-2px);
    text-decoration: none;
}
.btn-outline-brand:active {
    transform: translateY(0);
}
.btn-outline-brand:focus-visible {
    outline: 3px solid rgba(240, 69, 47, 0.4);
    outline-offset: 2px;
}
.btn-sm {
    height: 44px;
    padding: 10px 24px;
    font-size: 14px;
    border-radius: 14px;
}
.btn-lg {
    height: 54px;
    padding: 16px 38px;
}
.btn-line {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 10px 20px;
    font-size: 14px;
    transition: all 0.3s ease;
}
.btn-line:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: #fff;
}
.section-pad {
    padding: 96px 0;
}
.container {
    max-width: 1200px;
}

/* ===== Header / Navigation ===== */
.site-header {
    background: var(--clr-bg);
    padding: 16px 0 8px;
    position: relative;
    z-index: 1000;
}
.header-card {
    background: var(--clr-surface);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: nowrap;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    min-width: fit-content;
}
.brand:hover {
    text-decoration: none;
}
.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.brand-text {
    font-size: 18px;
    font-weight: 800;
    color: var(--clr-ink);
    line-height: 1.2;
    letter-spacing: 0.02em;
}
.brand-sub {
    font-size: 11px;
    color: var(--clr-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: block;
    line-height: 1;
    margin-top: 2px;
}
.main-nav {
    display: flex;
    gap: 12px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
}
.main-nav::-webkit-scrollbar {
    display: none;
}
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 10px;
    background: #F8F5F0;
    font-size: 14px;
    font-weight: 600;
    color: var(--clr-ink);
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.nav-item i {
    font-size: 16px;
    color: var(--clr-primary);
    transition: color 0.3s ease;
}
.nav-item:hover {
    background: #F8F5F0;
    color: var(--clr-primary);
    text-decoration: none;
    transform: translateY(-2px);
}
.nav-item.active {
    background: var(--gradient-brand);
    color: #fff;
}
.nav-item.active i {
    color: #fff;
}
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: none;
    background: #F8F5F0;
    color: var(--clr-ink);
    font-size: 18px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
@media (max-width: 991.98px) {
    .nav-toggle {
        display: flex;
        order: 3;
    }
    .header-card {
        flex-wrap: wrap;
        padding: 12px 14px;
    }
    .brand {
        flex: 1;
    }
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background: var(--clr-surface);
        padding: 12px;
        border-radius: 16px;
        box-shadow: var(--shadow-card);
        margin-top: 10px;
    }
    .main-nav.open {
        display: flex;
    }
    .nav-item {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 16px;
    }
    .header-cta {
        order: 2;
    }
}

/* ===== Hero ===== */
.hero {
    padding: 48px 0 0;
    position: relative;
    background: var(--clr-bg);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: -80px;
    left: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 69, 47, 0.2) 0%, transparent 70%);
    opacity: 0.6;
    pointer-events: none;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -100px;
    right: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.18) 0%, transparent 70%);
    opacity: 0.6;
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #FFF0ED;
    color: var(--clr-primary);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 16px;
    border-radius: 30px;
    margin-bottom: 18px;
}
.hero-badge i {
    font-size: 14px;
}
.hero-subtitle {
    font-size: 18px;
    color: var(--clr-muted);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: 28px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-visual {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
}
.hero-visual img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}
.hero-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(26, 34, 48, 0.25));
    pointer-events: none;
}
@media (max-width: 991.98px) {
    .hero {
        padding-top: 24px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .hero-visual {
        margin-top: 20px;
    }
}

/* ===== Countdown Bar ===== */
.countdown-bar {
    margin-top: 48px;
    background: var(--clr-ink);
    border-radius: 16px;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}
.countdown-bar::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(245, 166, 35, 0.12) 0%, transparent 50%);
    pointer-events: none;
}
.countdown-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: 600;
}
.countdown-label .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-primary);
    animation: pulse 1.5s infinite ease-in-out;
}
@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(0.8);
    }
}
.countdown-timer {
    display: flex;
    gap: 12px;
    align-items: center;
}
.countdown-item {
    text-align: center;
    min-width: 64px;
}
.countdown-item .num {
    font-size: 28px;
    font-weight: 800;
    color: var(--clr-gold);
    font-feature-settings: "tnum";
    line-height: 1.2;
}
.countdown-item .unit {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    display: block;
    margin-top: 2px;
}
.countdown-sep {
    color: rgba(255, 255, 255, 0.3);
    font-size: 20px;
    font-weight: 300;
}
@media (max-width: 575.98px) {
    .countdown-bar {
        padding: 16px 20px;
        flex-direction: column;
        align-items: flex-start;
    }
    .countdown-item .num {
        font-size: 22px;
    }
    .countdown-sep:nth-of-type(6) {
        display: none;
    }
    .countdown-item:nth-of-type(7),
    .countdown-item:nth-of-type(8) {
        display: none;
    }
}

/* ===== Stats ===== */
.stats-section {
    padding: 64px 0 0;
}
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.stat-card {
    background: var(--clr-ink);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--clr-gold);
    font-feature-settings: "tnum";
    line-height: 1.2;
}
.stat-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    margin-top: 6px;
}
@media (max-width: 991.98px) {
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 575.98px) {
    .stats-section {
        padding-top: 48px;
    }
    .stats-row {
        gap: 12px;
    }
    .stat-card {
        padding: 16px 12px;
    }
    .stat-num {
        font-size: 24px;
    }
}

/* ===== Features ===== */
.features-section {
    padding: 96px 0 64px;
}
.feature-card-h {
    background: var(--clr-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    padding: 32px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card-h:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.feature-card-h .feat-img {
    width: 140px;
    height: 120px;
    border-radius: 16px;
    object-fit: cover;
    flex-shrink: 0;
}
.feature-card-h .feat-info {
    flex: 1;
}
.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    flex-shrink: 0;
}
.feature-card-h h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.feature-card-h p {
    color: var(--clr-muted);
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}
.feature-strip {
    background: var(--clr-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    padding: 26px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.feature-strip:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.feature-strip .feat-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--gradient-brand);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.feature-strip .feat-text {
    flex: 1;
}
.feature-strip .feat-text h4 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 4px;
}
.feature-strip .feat-text p {
    color: var(--clr-muted);
    font-size: 15px;
    margin: 0;
    line-height: 1.7;
}
.feature-strip .feat-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1.5px solid var(--clr-primary);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    transition: background 0.3s ease, color 0.3s ease;
    text-decoration: none;
}
.feature-strip .feat-arrow:hover {
    background: var(--clr-primary);
    color: #fff;
    text-decoration: none;
}
@media (max-width: 767.98px) {
    .feature-card-h {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }
    .feature-card-h .feat-img {
        width: 100%;
        height: 160px;
    }
    .feature-strip {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }
}

/* ===== Gallery ===== */
.gallery-section {
    padding: 64px 0;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}
.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}
.gallery-item:hover img {
    transform: scale(1.03);
}
.gallery-item:hover {
    box-shadow: var(--shadow-hover);
}
.gallery-item .gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(26, 34, 48, 0.7));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 18px;
}
.gallery-item:hover .gallery-overlay {
    opacity: 1;
}
.gallery-overlay span {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
}
.gallery-item--tall {
    grid-row: span 2;
    min-height: 360px;
}
.gallery-item--wide {
    grid-column: span 2;
    min-height: 180px;
}
.gallery-item--normal {
    min-height: 180px;
}
.gallery-cta {
    text-align: center;
    margin-top: 40px;
}
@media (max-width: 991.98px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-item--wide {
        grid-column: span 1;
    }
    .gallery-item--tall {
        grid-row: span 1;
        min-height: auto;
    }
    .gallery-item--normal {
        min-height: 200px;
    }
}
@media (max-width: 575.98px) {
    .gallery-item--normal,
    .gallery-item--tall,
    .gallery-item--wide {
        min-height: 160px;
    }
}

/* ===== CTA / Signup ===== */
.cta-section {
    padding: 48px 0 96px;
}
.cta-banner {
    background: linear-gradient(135deg, #1A2230 0%, #111826 100%);
    border-radius: 24px;
    padding: 56px 48px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-card);
}
.cta-banner::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.2) 0%, transparent 70%);
    pointer-events: none;
}
.cta-banner::after {
    content: "";
    position: absolute;
    bottom: -50px;
    left: -30px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(240, 69, 47, 0.15) 0%, transparent 70%);
    pointer-events: none;
}
.cta-content {
    position: relative;
    z-index: 2;
    flex: 1;
    min-width: 280px;
}
.cta-content h2 {
    color: #fff;
    font-size: 30px;
    padding-left: 0;
    margin-bottom: 10px;
}
.cta-content h2::before {
    display: none;
}
.cta-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    margin: 0;
}
.cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}
.cta-actions .btn-link-light {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    text-decoration: underline;
}
.cta-actions .btn-link-light:hover {
    color: #fff;
}
.signup-collapse {
    margin-top: 24px;
}
.signup-card {
    background: var(--clr-surface);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    padding: 36px;
    border: 1px solid var(--clr-border);
}
.signup-card .form-label {
    font-weight: 700;
    font-size: 14px;
    color: var(--clr-ink);
    margin-bottom: 6px;
}
.signup-card .form-control {
    border: 1.5px solid var(--clr-border);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 15px;
    background: var(--clr-bg);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.signup-card .form-control:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(240, 69, 47, 0.12);
    background: #fff;
}
.signup-card .form-select {
    border: 1.5px solid var(--clr-border);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 15px;
    background-color: var(--clr-bg);
}
.signup-card .form-select:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(240, 69, 47, 0.12);
}
@media (max-width: 575.98px) {
    .cta-banner {
        padding: 36px 24px;
        flex-direction: column;
        align-items: flex-start;
    }
    .cta-actions {
        width: 100%;
    }
    .signup-card {
        padding: 24px;
    }
}

/* ===== FAQ ===== */
.faq-section {
    padding: 0 0 96px;
}
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: var(--clr-surface);
    border-radius: 16px !important;
    border: 1px solid var(--clr-border) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}
.faq-item:hover {
    box-shadow: var(--shadow-card);
}
.faq-item:has(.show) {
    box-shadow: var(--shadow-card);
    border-left: 3px solid var(--clr-primary) !important;
}
.faq-item .accordion-header {
    background: transparent;
}
.faq-item .accordion-button {
    background: transparent;
    color: var(--clr-ink);
    font-weight: 700;
    font-size: 16px;
    padding: 20px 24px;
    box-shadow: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: color 0.3s ease;
}
.faq-item .accordion-button:hover {
    color: var(--clr-primary);
}
.faq-item .accordion-button:focus {
    box-shadow: none;
}
.faq-item .accordion-button:not(.collapsed) {
    background: transparent;
    color: var(--clr-primary);
}
.faq-item .accordion-button::after {
    display: none;
}
.faq-toggle-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #F8F5F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--clr-ink);
    flex-shrink: 0;
    transition: all 0.3s ease;
    margin-left: auto;
}
.faq-item .accordion-button:not(.collapsed) .faq-toggle-icon {
    background: var(--gradient-brand);
    color: #fff;
    transform: rotate(45deg);
}
.faq-item .accordion-collapse {
    border: none;
}
.faq-item .accordion-body {
    padding: 0 24px 20px 62px;
    color: var(--clr-muted);
    font-size: 15px;
    line-height: 1.8;
}
@media (max-width: 575.98px) {
    .faq-item .accordion-body {
        padding-left: 24px;
        padding-right: 18px;
    }
}

/* ===== News / CMS ===== */
.news-section {
    padding: 0 0 96px;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.news-item {
    display: flex;
    gap: 18px;
    align-items: center;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 16px;
    padding: 16px 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}
.news-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}
.news-thumb {
    width: 96px;
    height: 72px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(240, 69, 47, 0.2), rgba(245, 166, 35, 0.2));
}
.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news-content {
    flex: 1;
    min-width: 0;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.news-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #FFF0ED;
    color: var(--clr-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
}
.news-date {
    font-size: 13px;
    color: #8A8F98;
}
.news-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--clr-ink);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-content p {
    font-size: 14px;
    color: var(--clr-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}
.news-link {
    color: var(--clr-ink);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
    transition: color 0.3s ease, transform 0.3s ease;
    white-space: nowrap;
}
.news-item:hover .news-link {
    color: var(--clr-primary);
    transform: translateX(3px);
}
.news-empty {
    background: var(--clr-bg);
    border: 1.5px dashed var(--clr-border);
    border-radius: 16px;
    padding: 48px 24px;
    text-align: center;
    color: var(--clr-muted);
    font-size: 15px;
}
.news-empty-icon {
    font-size: 36px;
    margin-bottom: 10px;
}
@media (max-width: 575.98px) {
    .news-thumb {
        width: 76px;
        height: 60px;
    }
    .news-item {
        padding: 12px;
        gap: 12px;
    }
    .news-content p {
        display: none;
    }
    .news-link {
        font-size: 13px;
    }
}

/* ===== Footer ===== */
.site-footer {
    background: var(--clr-ink);
    padding: 64px 0 0;
    color: rgba(255, 255, 255, 0.8);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}
.footer-brand .brand-icon {
    background: var(--gradient-brand);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-brand .brand-text {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
}
.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 0;
}
.footer-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 3px;
    border-radius: 2px;
    background: var(--gradient-brand);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease, transform 0.3s ease;
}
.footer-links a:hover {
    color: var(--clr-primary);
    transform: translateX(2px);
    text-decoration: none;
}
.footer-links a i {
    font-size: 12px;
    color: var(--clr-primary);
}
.footer-contact {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 2;
}
.footer-contact i {
    color: var(--clr-primary);
    width: 20px;
    margin-right: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0 24px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}
.footer-bottom .domain {
    color: rgba(255, 255, 255, 0.6);
}
@media (max-width: 991.98px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}
@media (max-width: 575.98px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .site-footer {
        padding-top: 48px;
    }
}

/* ===== General utilities ===== */
.section-head {
    margin-bottom: 40px;
}
.section-head .sub-label {
    color: var(--clr-primary);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
    display: block;
}
.section-head p {
    color: var(--clr-muted);
    font-size: 16px;
    max-width: 560px;
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 30px;
    background: #FFF0ED;
    color: var(--clr-primary);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
}

/* roulang page: article */
:root {
            --clr-primary: #F0452F;
            --clr-primary-deep: #C62828;
            --clr-ink: #1A2230;
            --clr-ink-soft: #111826;
            --clr-gold: #F5A623;
            --clr-cyan: #17C3A6;
            --clr-bg: #FBF8F3;
            --clr-surface: #FFFFFF;
            --clr-border: #ECE6DE;
            --clr-muted: #6B7280;
            --clr-text: #3D4351;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 30px rgba(26, 34, 48, 0.06);
            --shadow-hover: 0 16px 40px rgba(240, 69, 47, 0.12);
            --font-main: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --gradient-brand: linear-gradient(135deg, #F0452F 0%, #C62828 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.85;
            font-size: 16px;
            font-feature-settings: "tnum";
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--clr-primary);
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        .container {
            max-width: 1200px;
        }

        /* ========== 顶部卡片导航面板 ========== */
        .site-header {
            background: var(--clr-bg);
            padding: 20px 0 0;
            position: relative;
            z-index: 50;
        }

        .header-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border: 1px solid rgba(236, 230, 222, 0.5);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand:hover {
            text-decoration: none;
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            background: var(--gradient-brand);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 6px 16px rgba(240, 69, 47, 0.3);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--clr-ink);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .brand-sub {
            display: block;
            font-size: 11px;
            font-weight: 600;
            color: var(--clr-muted);
            letter-spacing: 0.14em;
            margin-top: 2px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-ink);
            background: #F8F5F0;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-item i {
            font-size: 14px;
        }

        .nav-item:hover {
            color: var(--clr-primary);
            background: #FFF0ED;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .nav-item.active {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 6px 16px rgba(240, 69, 47, 0.28);
        }

        .header-cta {
            margin-left: 4px;
        }

        .btn {
            font-weight: 700;
            border-radius: var(--radius-md);
            transition: all .25s ease;
            border: none;
        }

        .btn-brand {
            background: var(--gradient-brand);
            color: #fff;
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
            box-shadow: 0 8px 20px rgba(240, 69, 47, 0.25);
        }

        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(240, 69, 47, 0.32);
            text-decoration: none;
        }

        .btn-brand:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-brand:focus-visible {
            outline: 3px solid rgba(240, 69, 47, 0.5);
            outline-offset: 2px;
        }

        .btn-brand.btn-sm {
            height: 44px;
            padding: 0 22px;
            font-size: 14px;
            border-radius: 12px;
        }

        .btn-outline-brand {
            background: transparent;
            border: 1.5px solid var(--clr-primary);
            color: var(--clr-primary);
            height: 52px;
            padding: 0 28px;
            font-size: 15px;
            border-radius: var(--radius-md);
        }

        .btn-outline-brand:hover {
            background: #FFF0ED;
            color: var(--clr-primary-deep);
            border-color: var(--clr-primary-deep);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn-outline-brand:focus-visible {
            outline: 3px solid rgba(240, 69, 47, 0.35);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1.5px solid var(--clr-border);
            background: var(--clr-surface);
            color: var(--clr-ink);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .2s ease;
        }

        .nav-toggle:hover {
            background: #F8F5F0;
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }

        /* ========== 文章页主区域 ========== */
        .article-page-main {
            padding: 40px 0 0;
        }

        .article-banner {
            padding: 32px 0 16px;
            position: relative;
        }

        .breadcrumb-wrap {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 14px 22px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--clr-muted);
            margin-bottom: 32px;
            border: 1px solid rgba(236, 230, 222, 0.4);
            flex-wrap: wrap;
        }

        .breadcrumb-wrap a {
            color: var(--clr-muted);
        }

        .breadcrumb-wrap a:hover {
            color: var(--clr-primary);
        }

        .breadcrumb-wrap i {
            font-size: 12px;
            color: #C3C8CF;
        }

        .breadcrumb-current {
            color: var(--clr-ink);
            font-weight: 600;
            max-width: 300px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-header {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 44px 48px 36px;
            border: 1px solid rgba(236, 230, 222, 0.5);
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
        }

        .article-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-brand);
        }

        .article-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: var(--clr-ink);
            margin-bottom: 20px;
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F8F5F0;
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            color: var(--clr-muted);
            font-weight: 500;
        }

        .article-meta span i {
            color: var(--clr-primary);
            font-size: 12px;
        }

        .article-summary {
            font-size: 16px;
            line-height: 1.85;
            color: var(--clr-muted);
            background: #FBF8F3;
            border-left: 3px solid var(--clr-primary);
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 0;
        }

        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-bottom: 40px;
            position: relative;
        }

        .article-cover img {
            width: 100%;
            height: 460px;
            object-fit: cover;
            display: block;
        }

        .article-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(17, 24, 38, 0.35) 100%);
            pointer-events: none;
        }

        /* ========== 正文阅读区 ========== */
        .article-content-section {
            padding: 16px 0 56px;
        }

        .article-content-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(236, 230, 222, 0.5);
            padding: 56px 64px;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--clr-text);
        }

        .article-body h1,
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--clr-ink);
            font-weight: 700;
            line-height: 1.4;
            margin-top: 2em;
            margin-bottom: 0.8em;
            position: relative;
            padding-left: 14px;
        }

        .article-body h2 {
            font-size: 24px;
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body h1::before,
        .article-body h2::before,
        .article-body h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.18em;
            width: 4px;
            height: 1.1em;
            background: var(--clr-primary);
            border-radius: 4px;
        }

        .article-body p {
            margin-bottom: 1.6em;
        }

        .article-body strong {
            color: var(--clr-ink);
            font-weight: 700;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.6em 1.2em;
            padding-left: 1.2em;
        }

        .article-body ul li {
            list-style: none;
            position: relative;
            margin-bottom: 0.6em;
            padding-left: 6px;
        }

        .article-body ul li::before {
            content: '';
            position: absolute;
            left: -1.1em;
            top: 0.7em;
            width: 6px;
            height: 6px;
            background: var(--clr-primary);
            border-radius: 50%;
        }

        .article-body ol li {
            margin-bottom: 0.6em;
        }

        .article-body a {
            color: var(--clr-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--clr-primary-deep);
        }

        .article-body blockquote {
            border-left: 4px solid var(--clr-primary);
            background: #FBF8F3;
            padding: 16px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--clr-muted);
            margin: 0 0 1.6em;
            font-size: 15px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 28px 0;
            width: 100%;
            height: auto;
        }

        .article-body table {
            width: 100%;
            margin: 0 0 1.6em;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--clr-border);
        }

        .article-body table th,
        .article-body table td {
            border-bottom: 1px solid var(--clr-border);
            padding: 12px 16px;
            font-size: 14px;
        }

        .article-body table th {
            background: #F8F5F0;
            font-weight: 700;
            color: var(--clr-ink);
        }

        .article-body table tr:last-child td {
            border-bottom: none;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--clr-border);
            margin: 2em 0;
        }

        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found-box .nf-icon {
            font-size: 56px;
            color: #D1D5DB;
            margin-bottom: 20px;
            display: block;
        }

        .not-found-box h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--clr-ink);
            margin-bottom: 12px;
            padding: 0;
        }

        .not-found-box h3::before {
            display: none;
        }

        .not-found-box p {
            color: var(--clr-muted);
            margin-bottom: 24px;
        }

        /* ========== 标签区 ========== */
        .article-tags-section {
            padding: 0 0 56px;
        }

        .article-tags-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(236, 230, 222, 0.5);
            padding: 24px 32px;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .article-tags-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--clr-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .article-tags-label i {
            color: var(--clr-primary);
        }

        .tag-item {
            display: inline-block;
            background: #F8F5F0;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--clr-ink);
            transition: all .2s ease;
            border: 1px solid transparent;
        }

        .tag-item:hover {
            background: #FFF0ED;
            color: var(--clr-primary);
            border-color: rgba(240, 69, 47, 0.2);
            text-decoration: none;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 16px 0 56px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
        }

        .section-heading .heading-bar {
            width: 20px;
            height: 4px;
            background: var(--gradient-brand);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--clr-ink);
            letter-spacing: -0.01em;
            margin: 0;
        }

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

        .related-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(236, 230, 222, 0.5);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(240, 69, 47, 0.18);
        }

        .related-card .thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #E8E3DB;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-card .body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-card .card-tag {
            display: inline-block;
            width: fit-content;
            background: #FFF0ED;
            color: var(--clr-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .related-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--clr-ink);
            line-height: 1.5;
            margin-bottom: 14px;
            flex: 1;
        }

        .related-card h3 a {
            color: var(--clr-ink);
        }

        .related-card h3 a:hover {
            color: var(--clr-primary);
            text-decoration: none;
        }

        .related-card .date {
            font-size: 13px;
            color: var(--clr-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== 返回/下一篇 ========== */
        .article-pager-section {
            padding: 0 0 64px;
        }

        .article-pager {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px 32px;
            border: 1px solid rgba(236, 230, 222, 0.5);
            flex-wrap: wrap;
        }

        .pager-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 700;
            transition: all .25s ease;
        }

        .pager-btn.prev {
            background: transparent;
            border: 1.5px solid var(--clr-primary);
            color: var(--clr-primary);
        }

        .pager-btn.prev:hover {
            background: #FFF0ED;
            color: var(--clr-primary-deep);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .pager-btn.next {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 8px 20px rgba(240, 69, 47, 0.25);
        }

        .pager-btn.next:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(240, 69, 47, 0.32);
            text-decoration: none;
        }

        /* ========== 底部 CTA ========== */
        .article-cta-section {
            padding: 0 0 72px;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--clr-ink), var(--clr-ink-soft));
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            background: var(--gradient-brand);
            border-radius: 50%;
            opacity: 0.14;
            top: -90px;
            right: -70px;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            width: 140px;
            height: 140px;
            background: var(--clr-gold);
            border-radius: 50%;
            opacity: 0.08;
            bottom: -50px;
            left: 40%;
        }

        .cta-card .cta-info {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 0;
        }

        .cta-card .btn-brand {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--clr-ink);
            padding: 64px 0 32px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 18px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 3px;
            background: var(--gradient-brand);
            border-radius: 4px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .footer-links a i {
            font-size: 12px;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
            text-decoration: none;
        }

        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact i {
            width: 32px;
            height: 32px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--clr-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: var(--clr-surface);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 8px;
                box-shadow: var(--shadow-card);
                border: 1px solid var(--clr-border);
            }

            .main-nav.open {
                display: flex;
            }

            .nav-item {
                justify-content: flex-start;
                padding: 14px 18px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-card {
                padding: 14px 16px;
            }

            .header-cta {
                margin-left: auto;
                margin-right: 8px;
            }

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

            .article-header {
                padding: 32px 28px 28px;
            }

            .article-content-card {
                padding: 40px 32px;
            }

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

        @media (max-width: 767px) {
            .article-title {
                font-size: 26px;
            }

            .article-cover img {
                height: 300px;
            }

            .article-content-card {
                padding: 32px 20px;
            }

            .article-body {
                font-size: 15px;
            }

            .article-body h2 {
                font-size: 21px;
            }

            .article-body h3 {
                font-size: 18px;
            }

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

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

            .cta-card {
                padding: 36px 28px;
            }

            .cta-card h2 {
                font-size: 23px;
            }

            .article-pager {
                flex-direction: column;
                align-items: stretch;
            }

            .pager-btn {
                justify-content: center;
            }

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

        @media (max-width: 575px) {
            .site-header {
                padding-top: 12px;
            }

            .header-card {
                border-radius: 16px;
                padding: 12px 12px;
            }

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

            .header-cta .btn-brand.btn-sm {
                height: 40px;
                padding: 0 16px;
                font-size: 13px;
            }

            .nav-toggle {
                width: 40px;
                height: 40px;
            }

            .breadcrumb-wrap {
                font-size: 13px;
                padding: 12px 16px;
            }

            .breadcrumb-current {
                max-width: 120px;
            }

            .article-header {
                padding: 28px 20px 24px;
                border-radius: 16px;
            }

            .article-meta {
                gap: 6px;
            }

            .article-meta span {
                padding: 5px 10px;
                font-size: 12px;
            }

            .article-cover {
                border-radius: 16px;
            }

            .article-cover img {
                height: 220px;
            }

            .article-content-card {
                padding: 24px 16px;
                border-radius: 16px;
            }

            .article-body {
                font-size: 14.5px;
                line-height: 1.8;
            }

            .article-tags-card {
                padding: 18px 16px;
            }

            .related-card .body {
                padding: 20px;
            }

            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --clr-primary: #F0452F;
            --clr-primary-deep: #C62828;
            --clr-ink: #1A2230;
            --clr-ink-soft: #111826;
            --clr-gold: #F5A623;
            --clr-cyan: #17C3A6;
            --clr-bg: #FBF8F3;
            --clr-surface: #FFFFFF;
            --clr-border: #ECE6DE;
            --clr-muted: #6B7280;
            --gradient-brand: linear-gradient(135deg, #F0452F 0%, #C62828 100%);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 30px rgba(26, 34, 48, 0.06);
            --shadow-hover: 0 16px 40px rgba(240, 69, 47, 0.12);
            --shadow-btn: 0 12px 24px rgba(240, 69, 47, 0.28);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--clr-bg);
            color: #3D4351;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--clr-primary);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(240, 69, 47, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            padding: 20px 0 0;
            position: relative;
            z-index: 100;
        }

        .header-card {
            background: var(--clr-surface);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 68px;
            position: relative;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--gradient-brand);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--clr-ink);
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-sub {
            display: block;
            font-size: 10px;
            letter-spacing: 0.14em;
            color: var(--clr-muted);
            font-weight: 600;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F8F5F0;
            border-radius: 10px;
            padding: 10px 16px;
            color: var(--clr-ink);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }

        .nav-item i {
            color: var(--clr-primary);
            transition: var(--transition);
        }

        .nav-item:hover {
            background: #FFF0ED;
            color: var(--clr-primary);
            text-decoration: none;
        }

        .nav-item.active {
            background: var(--gradient-brand);
            color: #fff;
        }

        .nav-item.active i {
            color: #fff;
        }

        .header-cta {
            margin-left: auto;
            flex-shrink: 0;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gradient-brand);
            color: #fff;
            border: none;
            height: 44px;
            padding: 0 24px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
            line-height: 1;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn);
            color: #fff;
            text-decoration: none;
        }

        .btn-brand:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--clr-surface);
            color: var(--clr-primary);
            border: 1.5px solid var(--clr-primary);
            height: 44px;
            padding: 0 24px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

        .btn-outline-brand:hover {
            background: #FFF0ED;
            color: var(--clr-primary);
            transform: translateY(-2px);
            text-decoration: none;
        }

        .btn-lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
            border-radius: 16px;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: #F8F5F0;
            border: none;
            color: var(--clr-ink);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: #FFF0ED;
            color: var(--clr-primary);
        }

        @media (max-width: 991.98px) {
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                background: var(--clr-surface);
                border-radius: 16px;
                box-shadow: var(--shadow-card);
                padding: 16px;
                display: none;
                z-index: 200;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-item {
                justify-content: flex-start;
                padding: 12px 16px;
            }
            .header-card {
                gap: 12px;
            }
            .header-cta {
                margin-left: auto;
            }
        }

        @media (max-width: 576px) {
            .brand-text {
                font-size: 16px;
            }
            .brand-sub {
                font-size: 9px;
            }
            .header-cta .btn-brand {
                padding: 0 16px;
                font-size: 14px;
                height: 40px;
            }
            .header-card {
                padding: 8px 12px;
                gap: 8px;
            }
        }

        /* ===== Category Hero ===== */
        .category-hero {
            padding: 24px 0 16px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--clr-surface);
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            padding: 10px 18px;
            margin-bottom: 20px;
            font-size: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--clr-muted);
        }

        .breadcrumb-nav a:hover {
            color: var(--clr-primary);
        }

        .breadcrumb-nav .sep {
            color: var(--clr-border);
            font-size: 12px;
        }

        .breadcrumb-nav .current {
            color: var(--clr-ink);
            font-weight: 700;
        }

        .hero-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 460px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-card);
        }

        .hero-banner-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(26, 34, 48, 0.92) 10%, rgba(26, 34, 48, 0.6) 50%, rgba(26, 34, 48, 0.2) 100%);
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            padding: 56px;
            max-width: 780px;
            width: 100%;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-gold);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .hero-banner-content h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-banner-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-badges {
            display: grid;
            grid-template-columns: repeat(4, auto);
            gap: 12px;
            justify-content: start;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 16px;
            padding: 12px 20px;
            min-width: 130px;
        }

        .badge-num {
            display: block;
            color: var(--clr-gold);
            font-size: 24px;
            font-weight: 800;
            line-height: 1.1;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }

        .badge-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
        }

        @media (max-width: 991.98px) {
            .hero-banner {
                min-height: 420px;
            }
            .hero-banner-content {
                padding: 40px;
            }
            .hero-banner-content h1 {
                font-size: 34px;
            }
            .hero-badges {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-badge {
                min-width: 0;
            }
        }

        @media (max-width: 576px) {
            .category-hero {
                padding-top: 16px;
            }
            .hero-banner {
                min-height: 400px;
            }
            .hero-banner-content {
                padding: 28px 24px;
            }
            .hero-banner-content h1 {
                font-size: 28px;
            }
            .hero-banner-content p {
                font-size: 15px;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                padding: 10px 14px;
                border-radius: 14px;
            }
            .badge-num {
                font-size: 20px;
            }
        }

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

        .section-topic-intro {
            padding-top: 64px;
        }

        .section-title-wrap {
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--clr-ink);
            position: relative;
            padding-left: 20px;
            line-height: 1.3;
            margin: 0 0 10px;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--gradient-brand);
        }

        .section-subtitle {
            color: var(--clr-muted);
            font-size: 15px;
            margin: 0;
            padding-left: 20px;
        }

        .section-title-wrap.light .section-title {
            color: #fff;
        }

        .section-title-wrap.light .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-card-img {
            position: relative;
            min-height: 240px;
            flex-shrink: 0;
        }

        .feature-card-img img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .feature-card:hover .feature-card-img img {
            transform: scale(1.03);
        }

        .feature-num {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(26, 34, 48, 0.72);
            color: var(--clr-gold);
            font-size: 14px;
            font-weight: 800;
            border-radius: 10px;
            padding: 6px 12px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .feature-card-body {
            padding: 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-tag {
            display: inline-flex;
            align-self: flex-start;
            align-items: center;
            gap: 6px;
            background: #FFF0ED;
            color: var(--clr-primary);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .feature-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--clr-ink);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .feature-card-body p {
            font-size: 15px;
            line-height: 1.85;
            color: #3D4351;
            margin-bottom: 16px;
        }

        .feature-points {
            margin-top: auto;
        }

        .feature-points li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--clr-muted);
            padding: 4px 0;
        }

        .feature-points li i {
            color: var(--clr-cyan);
            font-size: 13px;
        }

        /* ===== Banner Card ===== */
        .banner-card {
            background: var(--clr-ink);
            border-radius: var(--radius-lg);
            padding: 32px 40px;
            display: flex;
            align-items: center;
            gap: 24px;
            position: relative;
            overflow: hidden;
            margin-top: 24px;
        }

        .banner-card::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            background: var(--gradient-brand);
            opacity: 0.15;
            border-radius: 50%;
            pointer-events: none;
        }

        .banner-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .banner-content {
            flex: 1;
        }

        .banner-card h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .banner-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
            max-width: 720px;
        }

        .banner-link {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--transition);
            font-size: 16px;
            position: relative;
            z-index: 2;
        }

        .banner-link:hover {
            background: var(--gradient-brand);
            border-color: transparent;
            color: #fff;
            transform: translateX(3px);
        }

        @media (max-width: 576px) {
            .banner-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
                gap: 16px;
            }
            .banner-link {
                align-self: flex-end;
            }
        }

        /* ===== Process Section ===== */
        .section-process {
            background: var(--clr-ink);
        }

        .process-panel {
            position: relative;
        }

        .timeline {
            position: relative;
            padding-left: 0;
            max-width: 860px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 25px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: rgba(255, 255, 255, 0.14);
        }

        .timeline-item {
            position: relative;
            padding-left: 76px;
            padding-bottom: 40px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gradient-brand);
            border: 3px solid rgba(255, 255, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
            z-index: 2;
        }

        .timeline-step {
            font-size: 13px;
            color: var(--clr-gold);
            font-weight: 800;
            letter-spacing: 0.08em;
            margin-bottom: 4px;
        }

        .timeline-title {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 576px) {
            .timeline::before {
                left: 20px;
            }
            .timeline-dot {
                left: 8px;
                width: 24px;
                height: 24px;
                font-size: 10px;
            }
            .timeline-item {
                padding-left: 60px;
            }
        }

        /* ===== Gallery ===== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 200px;
            gap: 16px;
        }

        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
            cursor: pointer;
        }

        .gallery-item:nth-child(1) {
            grid-column: 1 / 2;
            grid-row: 1 / 2;
        }

        .gallery-item:nth-child(2) {
            grid-column: 2 / 3;
            grid-row: 1 / 3;
        }

        .gallery-item:nth-child(3) {
            grid-column: 3 / 5;
            grid-row: 1 / 2;
        }

        .gallery-item:nth-child(4) {
            grid-column: 3 / 5;
            grid-row: 2 / 3;
        }

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

        .gallery-item:hover img {
            transform: scale(1.03);
        }

        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(26, 34, 48, 0.78) 100%);
            opacity: 0;
            transition: var(--transition);
            display: flex;
            align-items: flex-end;
            padding: 18px;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }

        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }

        @media (max-width: 991.98px) {
            .gallery-grid {
                grid-auto-rows: 170px;
            }
        }

        @media (max-width: 576px) {
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                grid-auto-rows: 140px;
                gap: 10px;
            }
            .gallery-item:nth-child(1) {
                grid-column: 1 / 2;
                grid-row: 1 / 2;
            }
            .gallery-item:nth-child(2) {
                grid-column: 2 / 3;
                grid-row: 1 / 3;
            }
            .gallery-item:nth-child(3) {
                grid-column: 1 / 2;
                grid-row: 2 / 3;
            }
            .gallery-item:nth-child(4) {
                grid-column: 1 / 3;
                grid-row: 3 / 4;
            }
            .gallery-overlay {
                opacity: 1;
                padding: 12px;
                font-size: 13px;
            }
        }

        /* ===== Notice List ===== */
        .notice-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .notice-item {
            display: flex;
            gap: 16px;
            padding: 24px;
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-border);
            transition: var(--transition);
        }

        .notice-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .notice-item:nth-child(5) {
            grid-column: 1 / -1;
        }

        .notice-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #FFF0ED;
            color: var(--clr-primary);
            font-size: 17px;
        }

        .notice-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--clr-ink);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .notice-item p {
            font-size: 14px;
            color: var(--clr-muted);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .notice-list {
                grid-template-columns: 1fr;
            }
            .notice-item:nth-child(5) {
                grid-column: 1;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
        }

        .faq-item {
            background: var(--clr-surface);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(240, 69, 47, 0.3);
        }

        .faq-item:has(.collapse.show) {
            border-left: 3px solid var(--clr-primary);
        }

        .faq-btn {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--clr-ink);
            cursor: pointer;
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
        }

        .faq-btn:hover {
            color: var(--clr-primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            flex-shrink: 0;
            background: #F8F5F0;
            color: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }

        .faq-btn[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: var(--gradient-brand);
            color: #fff;
        }

        .faq-body {
            padding: 0 24px 20px;
            color: var(--clr-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        @media (max-width: 576px) {
            .faq-btn {
                padding: 16px 16px;
                font-size: 15px;
            }
            .faq-body {
                padding: 0 16px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-card {
            background: linear-gradient(135deg, #1A2230, #111826);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before,
        .cta-card::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--gradient-brand);
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-card::before {
            left: -80px;
            top: -80px;
        }

        .cta-card::after {
            right: -80px;
            bottom: -80px;
        }

        .cta-card h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
        }

        @media (max-width: 576px) {
            .cta-card {
                padding: 44px 24px;
            }
            .cta-card h2 {
                font-size: 26px;
            }
            .cta-card p {
                font-size: 15px;
            }
            .cta-actions .btn-brand {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-ink);
            padding: 64px 0 32px;
            margin-top: 80px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 16px;
            border-radius: 10px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 300px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--gradient-brand);
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 12px;
            color: var(--clr-primary);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .footer-contact {
            font-size: 14px;
            line-height: 2;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact i {
            color: var(--clr-primary);
            margin-right: 8px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 576px) {
            .site-footer {
                padding: 48px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

/* roulang page: category2 */
:root {
            --clr-primary: #F0452F;
            --clr-primary-deep: #C62828;
            --clr-ink: #1A2230;
            --clr-ink-soft: #111826;
            --clr-gold: #F5A623;
            --clr-cyan: #17C3A6;
            --clr-bg: #FBF8F3;
            --clr-surface: #FFFFFF;
            --clr-border: #ECE6DE;
            --clr-muted: #6B7280;
            --gradient-brand: linear-gradient(135deg, #F0452F 0%, #C62828 100%);
            --shadow-card: 0 8px 30px rgba(26, 34, 48, 0.06);
            --shadow-hover: 0 16px 40px rgba(240, 69, 47, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.85;
            color: #3D4351;
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--clr-primary);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ---------- header ---------- */
        .site-header {
            padding-top: 20px;
            position: relative;
            z-index: 100;
        }

        .header-card {
            background: var(--clr-surface);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(240, 69, 47, 0.3);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--clr-ink);
            letter-spacing: -0.01em;
            line-height: 1.3;
            display: flex;
            flex-direction: column;
        }

        .brand-sub {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.18em;
            color: var(--clr-primary);
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-ink);
            background: #F8F5F0;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-item i {
            font-size: 16px;
            color: var(--clr-muted);
            transition: color .25s ease;
        }

        .nav-item:hover {
            color: var(--clr-primary);
            background: #FFF0ED;
        }

        .nav-item:hover i {
            color: var(--clr-primary);
        }

        .nav-item.active {
            background: var(--gradient-brand);
            color: #fff;
            box-shadow: 0 6px 16px rgba(240, 69, 47, 0.25);
        }

        .nav-item.active i {
            color: #fff;
        }

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

        .nav-toggle {
            display: none;
            background: #F8F5F0;
            border: none;
            border-radius: 12px;
            width: 44px;
            height: 44px;
            font-size: 18px;
            color: var(--clr-ink);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }

        .nav-toggle:hover {
            background: var(--gradient-brand);
            color: #fff;
        }

        /* ---------- buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 30px;
            border: none;
            cursor: pointer;
            transition: all .28s ease;
            letter-spacing: 0.01em;
            height: auto;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-brand {
            background: var(--gradient-brand);
            color: #fff !important;
            box-shadow: 0 8px 20px rgba(240, 69, 47, 0.25);
            border: none;
        }

        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(240, 69, 47, 0.3);
            color: #fff !important;
        }

        .btn-brand:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-brand:focus-visible {
            outline: 3px solid rgba(240, 69, 47, 0.4);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
            border-radius: 14px;
        }

        .btn-outline {
            background: var(--clr-surface);
            color: var(--clr-primary) !important;
            border: 1.5px solid var(--clr-primary);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: #FFF0ED;
            color: var(--clr-primary) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 69, 47, 0.12);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-gold {
            background: var(--clr-gold);
            color: #1A2230 !important;
            box-shadow: 0 8px 20px rgba(245, 166, 35, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 166, 35, 0.38);
            color: #1A2230 !important;
        }

        /* ---------- page hero ---------- */
        .page-hero {
            padding: 48px 0 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: var(--gradient-brand);
            opacity: 0.08;
            top: -120px;
            right: -100px;
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--gradient-brand);
            opacity: 0.06;
            bottom: -80px;
            left: -80px;
            pointer-events: none;
        }

        .breadcrumb-bar {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--clr-muted);
            box-shadow: var(--shadow-card);
            margin-bottom: 32px;
            position: relative;
            z-index: 2;
        }

        .breadcrumb-bar a {
            color: var(--clr-muted);
        }

        .breadcrumb-bar a:hover {
            color: var(--clr-primary);
        }

        .breadcrumb-bar i {
            font-size: 12px;
            color: #C8C1B6;
        }

        .breadcrumb-bar span {
            color: var(--clr-ink);
            font-weight: 600;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFF0ED;
            color: var(--clr-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-tag i {
            font-size: 15px;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--clr-ink);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .hero-text {
            font-size: 17px;
            line-height: 1.8;
            color: var(--clr-muted);
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .hero-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 4px solid var(--clr-surface);
        }

        /* ---------- stats band ---------- */
        .stats-band {
            padding: 48px 0 16px;
        }

        .stat-item {
            background: var(--clr-ink);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .stat-item::after {
            content: "";
            position: absolute;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(245, 166, 35, 0.08);
            top: -20px;
            right: -20px;
        }

        .stat-num {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: var(--clr-gold);
            font-feature-settings: "tnum";
            line-height: 1.3;
        }

        .stat-label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ---------- section common ---------- */
        .section {
            padding: 80px 0;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 680px;
        }

        .section-mark {
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 6px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 11px;
            line-height: 20px;
            text-align: center;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--clr-ink);
            letter-spacing: -0.01em;
            margin: 0 0 10px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--clr-muted);
            margin: 0;
        }

        /* ---------- info cards ---------- */
        .info-grid {
            margin-bottom: 24px;
        }

        .split-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .split-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .split-body {
            padding: 32px 32px 20px;
            flex: 1;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .split-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--clr-ink);
            margin-bottom: 12px;
        }

        .split-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--clr-muted);
            margin-bottom: 18px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--clr-primary);
        }

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

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

        .split-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .bar-card {
            background: var(--clr-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            border: 1px solid var(--clr-border);
            flex-wrap: wrap;
        }

        .bar-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .bar-content {
            flex: 1;
            min-width: 240px;
        }

        .bar-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--clr-ink);
            margin-bottom: 6px;
        }

        .bar-content p {
            font-size: 15px;
            color: var(--clr-muted);
            margin: 0;
        }

        .bar-action {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 14px;
            color: var(--clr-primary);
            background: #FFF0ED;
            padding: 12px 24px;
            border-radius: 999px;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .bar-action:hover {
            background: var(--gradient-brand);
            color: #fff;
        }

        .bar-action i {
            transition: transform .25s ease;
        }

        .bar-action:hover i {
            transform: translateX(4px);
        }

        /* ---------- timeline ---------- */
        .timeline-section {
            background: var(--clr-surface);
            position: relative;
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 30px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--clr-primary) 0%, var(--clr-gold) 100%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--clr-surface);
            border: 4px solid var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(240, 69, 47, 0.15);
        }

        .timeline-num {
            display: inline-block;
            font-size: 13px;
            font-weight: 800;
            color: var(--clr-gold);
            letter-spacing: 0.1em;
            margin-bottom: 6px;
        }

        .timeline-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--clr-ink);
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 15px;
            color: var(--clr-muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ---------- topic list ---------- */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .topic-item {
            background: var(--clr-surface);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--clr-border);
            transition: all .28s ease;
            flex-wrap: wrap;
        }

        .topic-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
            color: var(--clr-ink);
        }

        .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #FFF0ED;
            color: var(--clr-primary);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .25s ease;
        }

        .topic-item:hover .topic-icon {
            background: var(--gradient-brand);
            color: #fff;
        }

        .topic-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--clr-ink);
            min-width: 80px;
        }

        .topic-desc {
            flex: 1;
            font-size: 14px;
            color: var(--clr-muted);
            min-width: 200px;
        }

        .topic-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1.5px solid var(--clr-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-ink);
            font-size: 15px;
            transition: all .25s ease;
            flex-shrink: 0;
        }

        .topic-item:hover .topic-arrow {
            border-color: var(--clr-primary);
            background: var(--clr-primary);
            color: #fff;
        }

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

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .accordion-item {
            background: var(--clr-surface);
            border: 1px solid var(--clr-border) !important;
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            box-shadow: var(--shadow-hover);
            border-left: 3px solid var(--clr-primary) !important;
        }

        .accordion-button {
            background: var(--clr-surface) !important;
            color: var(--clr-ink) !important;
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            gap: 12px;
        }

        .accordion-button::after {
            display: none !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--clr-primary) !important;
        }

        .accordion-button:hover {
            color: var(--clr-primary) !important;
        }

        .accordion-button .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #F8F5F0;
            color: var(--clr-primary);
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            flex-shrink: 0;
            transition: all .25s ease;
        }

        .accordion-button:not(.collapsed) .faq-icon {
            background: var(--gradient-brand);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            padding: 4px 24px 22px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--clr-muted);
            border-top: 1px dashed var(--clr-border);
            margin-top: 0;
        }

        /* ---------- cta ---------- */
        .cta-section {
            padding: 16px 0 96px;
        }

        .cta-card {
            background: linear-gradient(135deg, #1A2230 0%, #111826 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(240, 69, 47, 0.15);
            top: -60px;
            right: -40px;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .cta-link:hover {
            color: #fff;
        }

        /* ---------- footer ---------- */
        .site-footer {
            background: var(--clr-ink);
            padding: 64px 0 32px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            font-size: 20px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--gradient-brand);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: all .25s ease;
        }

        .footer-links a i {
            font-size: 12px;
            margin-right: 6px;
            color: rgba(255, 255, 255, 0.4);
            transition: all .25s ease;
        }

        .footer-links a:hover {
            color: var(--clr-primary);
            padding-left: 2px;
        }

        .footer-links a:hover i {
            color: var(--clr-primary);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
        }

        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--clr-gold);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .domain {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ---------- responsive ---------- */
        @media (max-width: 1199.98px) {
            .hero-grid {
                gap: 32px;
            }

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

            .hero-visual img {
                height: 340px;
            }
        }

        @media (max-width: 991.98px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-item {
                justify-content: flex-start;
            }

            .header-card {
                padding: 12px 16px;
            }

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

            .hero-content {
                text-align: center;
                max-width: 680px;
                margin: 0 auto;
            }

            .hero-text {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-visual img {
                height: 320px;
            }

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

            .section {
                padding: 64px 0;
            }

            .cta-card {
                padding: 48px 32px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding-top: 32px;
            }

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

            .hero-text {
                font-size: 16px;
            }

            .hero-visual img {
                height: 260px;
            }

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

            .split-body {
                padding: 24px 24px 16px;
            }

            .bar-card {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .bar-action {
                align-self: stretch;
                justify-content: center;
            }

            .timeline {
                padding-left: 20px;
            }

            .timeline-item {
                padding-left: 20px;
            }

            .topic-item {
                padding: 18px 20px;
                gap: 14px;
            }

            .topic-desc {
                min-width: 100%;
                order: 3;
                padding-left: 62px;
            }

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

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

        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 17px;
            }

            .brand-sub {
                font-size: 10px;
            }

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

            .hero-visual img {
                height: 220px;
            }

            .stats-band {
                padding-top: 32px;
            }

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

            .section-mark {
                width: 18px;
                height: 18px;
                line-height: 18px;
                font-size: 10px;
            }

            .split-img img {
                height: 160px;
            }

            .timeline-item::before {
                width: 14px;
                height: 14px;
                border-width: 3px;
            }

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

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

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

            .cta-link {
                text-align: center;
            }

            .header-cta .btn-sm {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
    --clr-primary: #F0452F;
    --clr-primary-deep: #C62828;
    --clr-ink: #1A2230;
    --clr-ink-soft: #111826;
    --clr-gold: #F5A623;
    --clr-cyan: #17C3A6;
    --clr-bg: #FBF8F3;
    --clr-surface: #FFFFFF;
    --clr-border: #ECE6DE;
    --clr-muted: #6B7280;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 8px 30px rgba(26, 34, 48, 0.06);
    --shadow-hover: 0 16px 40px rgba(240, 69, 47, 0.12);
    --brand-gradient: linear-gradient(135deg, #F0452F 0%, #C62828 100%);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.85;
    color: #3D4351;
    background: var(--clr-bg);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--clr-ink);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 0.5em;
}
p {
    margin: 0 0 1em;
}
a {
    color: var(--clr-ink);
    text-decoration: none;
    transition: color .25s ease;
}
a:hover {
    color: var(--clr-primary);
    text-decoration: underline;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

.container {
    max-width: 1200px;
}

.site-header {
    padding-top: 20px;
    position: relative;
    z-index: 100;
    background: transparent;
}
.header-card {
    background: var(--clr-surface);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    gap: 16px;
    flex-wrap: wrap;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}
.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--brand-gradient);
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.brand-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--clr-ink);
    line-height: 1.2;
    letter-spacing: .01em;
    display: flex;
    flex-direction: column;
}
.brand-sub {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .18em;
    color: var(--clr-muted);
    margin-top: 2px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 12px;
    background: #F8F5F0;
    font-size: 14px;
    font-weight: 600;
    color: var(--clr-ink);
    transition: all .25s ease;
}
.nav-item i {
    font-size: 15px;
    color: var(--clr-primary);
}
.nav-item:hover {
    background: #FFF0ED;
    color: var(--clr-primary);
    text-decoration: none;
}
.nav-item.active {
    background: var(--brand-gradient);
    color: #fff;
}
.nav-item.active i {
    color: #fff;
}
.header-cta {
    display: flex;
    align-items: center;
}
.nav-toggle {
    display: none;
    background: #F8F5F0;
    border: none;
    border-radius: 10px;
    width: 42px;
    height: 42px;
    font-size: 18px;
    color: var(--clr-ink);
    align-items: center;
    justify-content: center;
    transition: background .25s ease;
}
.nav-toggle:hover {
    background: #FFF0ED;
    color: var(--clr-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all .25s ease;
    text-decoration: none;
}
.btn-brand {
    background: var(--brand-gradient);
    color: #fff;
    height: 52px;
    padding: 0 32px;
    font-size: 16px;
}
.btn-brand:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(240, 69, 47, 0.28);
}
.btn-brand:active {
    transform: translateY(0);
    filter: brightness(.95);
}
.btn-brand:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible {
    outline: 3px solid rgba(240, 69, 47, .4);
    outline-offset: 2px;
}
.btn-brand.btn-sm {
    height: 44px;
    padding: 0 22px;
    font-size: 15px;
    border-radius: 12px;
}
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--clr-primary);
    color: var(--clr-primary);
    height: 52px;
    padding: 0 32px;
    font-size: 16px;
}
.btn-outline:hover {
    background: #FFF0ED;
    color: var(--clr-primary);
    transform: translateY(-2px);
    text-decoration: none;
}
.btn-ghost {
    background: rgba(255, 255, 255, .1);
    color: #fff;
    height: 44px;
    padding: 0 20px;
    font-size: 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, .25);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, .2);
    color: #fff;
    text-decoration: none;
}

/* 分类页 Hero */
.category-hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    padding: 90px 0 80px;
    border-radius: 0 0 32px 32px;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(251, 248, 243, .96) 0%, rgba(251, 248, 243, .82) 55%, rgba(26, 34, 48, .35) 100%);
    z-index: 1;
}
.category-hero::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--brand-gradient);
    border-radius: 50%;
    opacity: .12;
    top: -80px;
    right: 10%;
    z-index: 0;
}
.category-hero .container {
    position: relative;
    z-index: 2;
}
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 69, 47, .1);
    color: var(--clr-primary);
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}
.hero-tag::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-primary);
    display: inline-block;
}
.category-hero h1 {
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    max-width: 640px;
}
.category-hero .hero-sub {
    font-size: 17px;
    line-height: 1.8;
    color: #3D4351;
    max-width: 540px;
    margin-bottom: 28px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* 面包屑 */
.breadcrumb-wrap {
    padding: 18px 0 0;
}
.breadcrumb-wrap .breadcrumb {
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    margin: 0;
    box-shadow: var(--shadow-card);
    font-size: 14px;
}
.breadcrumb-wrap .breadcrumb a {
    color: var(--clr-muted);
}
.breadcrumb-wrap .breadcrumb a:hover {
    color: var(--clr-primary);
}
.breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before {
    color: #c0c0c0;
    content: '/';
}
.breadcrumb-wrap .breadcrumb-item.active {
    color: var(--clr-ink);
    font-weight: 600;
}

/* 通用 section */
.section {
    padding: 88px 0;
}
.section-sm {
    padding: 56px 0;
}
.section-head {
    margin-bottom: 48px;
    max-width: 680px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    position: relative;
    padding-left: 20px;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}
.section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 5px;
    height: 28px;
    border-radius: 4px;
    background: var(--brand-gradient);
}
.section-head p {
    color: var(--clr-muted);
    font-size: 16px;
    margin: 0;
}

/* 课程卡片 */
.feature-card {
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: box-shadow .3s ease, transform .3s ease;
}
.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.feature-card .feature-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.feature-card .feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.feature-card:hover .feature-img img {
    transform: scale(1.04);
}
.feature-card .feature-body {
    padding: 28px 28px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.feature-tag {
    align-self: flex-start;
    background: rgba(240, 69, 47, .1);
    color: var(--clr-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: .03em;
}
.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--clr-muted);
    font-size: 15px;
    line-height: 1.75;
    margin-bottom: 20px;
    flex: 1;
}
.feature-meta {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--clr-muted);
    border-top: 1px solid var(--clr-border);
    padding-top: 14px;
}
.feature-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.feature-meta i {
    color: var(--clr-primary);
}

/* 全宽横条卡 */
.banner-card {
    background: var(--clr-ink);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    display: flex;
    align-items: center;
    gap: 28px;
    color: #fff;
    box-shadow: var(--shadow-card);
    margin-top: 24px;
    flex-wrap: wrap;
}
.banner-card .banner-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--brand-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    flex-shrink: 0;
}
.banner-card .banner-content {
    flex: 1;
    min-width: 250px;
}
.banner-card .banner-content h3 {
    color: #fff;
    font-size: 22px;
    margin-bottom: 6px;
}
.banner-card .banner-content p {
    color: rgba(255, 255, 255, .75);
    font-size: 15px;
    margin: 0;
}
.btn-round-arrow {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .3);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all .25s ease;
    flex-shrink: 0;
}
.btn-round-arrow:hover {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #fff;
    transform: translateX(4px);
    text-decoration: none;
}

/* 数据徽章 */
.section-stats {
    background: var(--clr-ink);
    padding: 56px 0;
}
.section-stats .container {
    background: rgba(255, 255, 255, .03);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
}
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.stat-item {
    text-align: center;
    padding: 18px 8px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, .03);
    transition: background .3s ease;
}
.stat-item:hover {
    background: rgba(255, 255, 255, .07);
}
.stat-num {
    font-size: 34px;
    font-weight: 800;
    color: var(--clr-gold);
    font-feature-settings: "tnum";
    line-height: 1.2;
}
.stat-num span {
    font-size: 22px;
}
.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, .75);
    margin-top: 6px;
}

/* 培训特色横条堆叠 */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.feature-line {
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    padding: 26px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-card);
    border-left: 4px solid transparent;
    transition: border-color .3s ease, box-shadow .3s ease;
    flex-wrap: wrap;
}
.feature-line:hover {
    border-left-color: var(--clr-primary);
    box-shadow: var(--shadow-hover);
}
.feature-line .line-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--brand-gradient);
    color: #fff;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.feature-line .line-content {
    flex: 1;
    min-width: 220px;
}
.feature-line .line-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.feature-line .line-content p {
    color: var(--clr-muted);
    font-size: 14px;
    margin: 0;
}

/* 时间轴 */
.timeline-wrap {
    position: relative;
    padding-left: 44px;
    max-width: 760px;
}
.timeline-wrap::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--clr-primary), var(--clr-gold));
}
.timeline-item {
    position: relative;
    padding: 0 0 42px 28px;
}
.timeline-item:last-child {
    padding-bottom: 0;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--clr-surface);
    border: 4px solid var(--clr-primary);
    box-shadow: 0 0 0 4px rgba(240, 69, 47, .15);
}
.timeline-item .tl-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-primary);
    letter-spacing: .05em;
    text-transform: uppercase;
}
.timeline-item h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 4px 0 8px;
}
.timeline-item p {
    color: var(--clr-muted);
    font-size: 15px;
    margin: 0;
    max-width: 620px;
}

/* 适合人群 */
.audience-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.audience-item {
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    padding: 26px 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
    transition: box-shadow .3s ease, transform .3s ease;
    border: 1px solid var(--clr-border);
}
.audience-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.audience-item .aud-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #FFF0ED;
    color: var(--clr-primary);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.audience-item .aud-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.audience-item .aud-content p {
    color: var(--clr-muted);
    font-size: 15px;
    margin: 0;
}

/* FAQ */
.accordion-item {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(26, 34, 48, .03);
}
.accordion-button {
    font-size: 16px;
    font-weight: 700;
    color: var(--clr-ink);
    padding: 24px 30px;
    background: var(--clr-surface);
    border: none;
    outline: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 12px;
}
.accordion-button:not(.collapsed) {
    color: var(--clr-primary);
    background: #FFFDFB;
    box-shadow: none;
}
.accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}
.accordion-body {
    padding: 0 30px 24px;
    color: var(--clr-muted);
    font-size: 15px;
    line-height: 1.8;
    border-top: 1px solid var(--clr-border);
    background: #FFFDFB;
}
.accordion-button::after {
    content: '+';
    background: none !important;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 18px;
    color: var(--clr-primary);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #FFF0ED !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: transform .3s ease;
    flex-shrink: 0;
}
.accordion-button:not(.collapsed)::after {
    content: '×';
    transform: rotate(0deg);
    color: #fff;
    background: var(--brand-gradient) !important;
}

/* CTA 区 */
.section-cta {
    padding: 88px 0 72px;
}
.cta-panel {
    background: linear-gradient(135deg, var(--clr-ink) 0%, var(--clr-ink-soft) 100%);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    color: #fff;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    box-shadow: 0 20px 60px rgba(26, 34, 48, .25);
    position: relative;
    overflow: hidden;
}
.cta-panel::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    background: var(--brand-gradient);
    border-radius: 50%;
    opacity: .15;
    top: -60px;
    right: -60px;
}
.cta-panel h2 {
    color: #fff;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-panel .cta-desc {
    color: rgba(255, 255, 255, .75);
    font-size: 16px;
    margin-bottom: 24px;
    max-width: 460px;
}
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.cta-panel .form-card {
    background: rgba(255, 255, 255, .06);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .08);
}
.cta-panel .form-label {
    color: rgba(255, 255, 255, .85);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
}
.cta-panel .form-control,
.cta-panel .form-select {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    padding: 12px 16px;
    height: auto;
    transition: all .25s ease;
}
.cta-panel .form-control::placeholder {
    color: rgba(255, 255, 255, .45);
}
.cta-panel .form-control:focus,
.cta-panel .form-select:focus {
    background: rgba(255, 255, 255, .14);
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(240, 69, 47, .2);
    color: #fff;
}
.cta-panel .form-select option {
    color: var(--clr-ink);
}
.cta-panel textarea.form-control {
    min-height: 80px;
    resize: vertical;
}
.cta-back {
    margin-top: 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, .6);
}
.cta-back a {
    color: #fff;
    text-decoration: underline;
}

/* 页脚 */
.site-footer {
    background: var(--clr-ink);
    color: rgba(255, 255, 255, .7);
    padding: 64px 0 32px;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.footer-brand .brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--brand-gradient);
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.footer-brand .brand-text {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .6);
    max-width: 300px;
    margin: 0;
}
.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    border-radius: 3px;
    background: var(--brand-gradient);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .25s ease;
}
.footer-links a:hover {
    color: var(--clr-primary);
    padding-left: 2px;
    text-decoration: none;
}
.footer-links i {
    font-size: 12px;
    color: rgba(255, 255, 255, .4);
}
.footer-contact {
    font-size: 14px;
    color: rgba(255, 255, 255, .65);
}
.footer-contact div {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-contact i {
    color: var(--clr-primary);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, .5);
}
.footer-bottom .domain {
    color: rgba(255, 255, 255, .7);
    font-weight: 600;
}

/* 响应式 */
@media (max-width: 1199.98px) {
    .category-hero {
        padding: 70px 0 60px;
    }
    .category-hero h1 {
        font-size: 38px;
    }
}

@media (max-width: 991.98px) {
    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 12px);
        left: 16px;
        right: 16px;
        background: var(--clr-surface);
        border-radius: var(--radius-lg);
        padding: 16px;
        box-shadow: 0 24px 50px rgba(26, 34, 48, .15);
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        z-index: 999;
    }
    .main-nav.open {
        display: flex;
    }
    .nav-item {
        width: 100%;
        padding: 14px 18px;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .category-hero {
        padding: 60px 0 50px;
    }
    .category-hero h1 {
        font-size: 32px;
    }
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-panel {
        grid-template-columns: 1fr;
        padding: 40px 32px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 767.98px) {
    .section {
        padding: 64px 0;
    }
    .category-hero {
        border-radius: 0;
        padding: 48px 0 40px;
    }
    .category-hero h1 {
        font-size: 28px;
    }
    .category-hero .hero-sub {
        font-size: 15px;
    }
    .feature-card .feature-img {
        height: 180px;
    }
    .banner-card {
        padding: 28px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }
    .timeline-wrap {
        padding-left: 32px;
    }
    .timeline-item::before {
        left: -27px;
    }
    .cta-panel {
        padding: 32px 24px;
    }
    .cta-panel h2 {
        font-size: 26px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        font-size: 13px;
    }
}

@media (max-width: 575.98px) {
    .header-card {
        padding: 10px 12px;
        border-radius: 16px;
    }
    .brand-text {
        font-size: 18px;
    }
    .brand-sub {
        font-size: 10px;
    }
    .header-cta .btn-brand {
        display: none;
    }
    .category-hero h1 {
        font-size: 26px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .feature-card .feature-body {
        padding: 22px;
    }
    .feature-card h3 {
        font-size: 20px;
    }
    .stats-row {
        gap: 12px;
    }
    .stat-num {
        font-size: 26px;
    }
    .stat-num span {
        font-size: 18px;
    }
    .feature-line {
        padding: 20px;
    }
    .audience-item {
        padding: 20px;
        flex-direction: column;
        gap: 12px;
    }
    .accordion-button {
        padding: 18px 20px;
        font-size: 15px;
    }
    .accordion-body {
        padding: 0 20px 18px;
    }
    .cta-actions .btn {
        width: 100%;
    }
}