/* roulang page: index */
:root {
    --primary: #2E7FA8;
    --primary-dark: #1E5877;
    --primary-light: #EFF6FA;
    --amber: #F0A33A;
    --amber-dark: #D98A20;
    --teal: #22A699;
    --red: #E5533C;
    --ink: #1E2B39;
    --gray: #5B6B7A;
    --gray-light: #93A5B4;
    --line: #E7EFF4;
    --bg: #F6F9FC;
    --white: #FFFFFF;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 12px rgba(30, 43, 57, 0.05), 0 8px 24px rgba(30, 43, 57, 0.06);
    --shadow-hover: 0 6px 18px rgba(30, 43, 57, 0.08), 0 18px 40px rgba(30, 43, 57, 0.10);
    --shadow-nav: 0 1px 12px rgba(30, 43, 57, 0.08);
    --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
}
*, *::before, *::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--ink);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--ink);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
}
p {
    margin-top: 0;
    margin-bottom: 1.25rem;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--primary-dark);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
ul, ol {
    padding-left: 1.25rem;
}
.container {
    max-width: 1280px;
    padding-left: 20px;
    padding-right: 20px;
}
.text-primary-custom {
    color: var(--primary) !important;
}
.text-amber-custom {
    color: var(--amber) !important;
}
.section-padding {
    padding: 96px 0;
}
@media (max-width: 767px) {
    .section-padding {
        padding: 56px 0;
    }
}

/* ===== Buttons ===== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: 0.72rem 1.5rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    transition: var(--transition);
    font-size: 0.9375rem;
    line-height: 1.4;
}
.btn:hover {
    transform: translateY(-2px);
}
.btn:active {
    transform: scale(0.98);
}
.btn:focus-visible {
    outline: 3px solid rgba(46, 127, 168, 0.3);
    outline-offset: 1px;
    box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.15);
}
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    box-shadow: 0 8px 20px rgba(46, 127, 168, 0.25);
}
.btn-cta {
    background-color: var(--amber);
    border-color: var(--amber);
    color: var(--ink);
}
.btn-cta:hover {
    background-color: var(--amber-dark);
    border-color: var(--amber-dark);
    color: #fff;
    box-shadow: 0 8px 20px rgba(240, 163, 58, 0.35);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
}
.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}
.btn-sm {
    padding: 0.45rem 1rem;
    min-height: 38px;
    font-size: 0.875rem;
}

/* ===== Badge / Tags ===== */
.badge-cat {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 16px;
    padding: 0.3rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.4;
    white-space: nowrap;
}

/* ===== Header / Navbar ===== */
.site-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    min-height: 56px;
    padding: 0;
    background: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.site-navbar.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-nav);
    backdrop-filter: blur(6px);
}
.site-navbar .navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--ink);
    margin-right: 2rem;
    white-space: nowrap;
}
.site-navbar .navbar-brand i {
    color: var(--amber);
    font-size: 1.35rem;
}
.site-navbar .navbar-nav {
    gap: 0.25rem;
}
.site-navbar .nav-link {
    color: var(--ink);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.55rem 1rem;
    border-radius: 6px;
    position: relative;
    transition: color 0.2s ease;
}
.site-navbar .nav-link:hover {
    color: var(--primary);
}
.site-navbar .nav-link.active {
    color: var(--primary);
}
.site-navbar .nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.navbar-toggler {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    background: #fff;
}
.navbar-toggler:focus {
    box-shadow: none;
    border-color: var(--primary);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,43,57,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar-collapse {
    background: #fff;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-left: auto;
}
.nav-search {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--ink);
    font-size: 1.1rem;
    border: 1px solid var(--line);
    background: #fff;
    transition: var(--transition);
}
.nav-search:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-1px);
}
@media (max-width: 991px) {
    .site-navbar .navbar-collapse {
        margin-top: 12px;
        padding: 16px 18px;
        border-radius: 14px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--line);
    }
    .site-navbar .navbar-nav {
        gap: 0;
    }
    .site-navbar .nav-link {
        padding: 0.65rem 0.5rem;
        border-radius: 6px;
    }
    .site-navbar .nav-link.active::after {
        display: none;
    }
    .site-navbar .nav-right {
        margin-left: 0;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--line);
        justify-content: space-between;
        width: 100%;
    }
}

/* ===== Hero ===== */
.hero {
    padding: 130px 0 90px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 0.4rem 1rem;
    font-size: 0.8125rem;
    color: var(--primary);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(30, 43, 57, 0.04);
    margin-bottom: 1.5rem;
}
.hero-title {
    font-size: clamp(2.25rem, 3.2vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 1.25rem;
}
.hero-subtitle {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 1.8;
    max-width: 460px;
    margin-bottom: 2rem;
}
.hero-buttons {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}
.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    font-family: "Inter", "Arial", sans-serif;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-light);
}
.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    min-height: 440px;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
}
.hero-visual::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: linear-gradient(rgba(30, 43, 57, 0.06) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(30, 43, 57, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    z-index: 1;
}
.hero-visual::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, transparent 60%);
    z-index: 0;
}
@media (max-width: 991px) {
    .hero {
        padding: 110px 0 56px;
    }
    .hero .col-lg-6:first-child {
        margin-bottom: 2rem;
    }
    .hero-visual {
        min-height: 300px;
    }
}
@media (max-width: 575px) {
    .hero {
        padding: 100px 0 48px;
    }
    .hero-title {
        font-size: 1.75rem;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .hero-stats {
        gap: 1.2rem;
    }
    .stat-num {
        font-size: 1.4rem;
    }
    .hero-visual {
        min-height: 220px;
    }
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header .section-eyebrow {
    font-family: "Inter", "Arial", sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
    display: block;
    margin-bottom: 10px;
}
.section-header .section-title {
    font-size: clamp(1.75rem, 2.2vw, 2.25rem);
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 14px;
}
.section-header .section-desc {
    color: var(--gray);
    font-size: 1rem;
    max-width: 620px;
    margin: 0 auto;
}
@media (max-width: 767px) {
    .section-header {
        margin-bottom: 32px;
    }
    .section-header .section-title {
        font-size: 1.375rem;
    }
}

/* ===== Steps ===== */
.steps-section {
    background: #fff;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
}
.step-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 2rem 1.75rem;
    position: relative;
    transition: var(--transition);
}
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(46, 127, 168, 0.2);
}
.step-num {
    font-size: 3rem;
    font-weight: 700;
    color: var(--amber);
    font-family: "Inter", "Arial", sans-serif;
    line-height: 1;
    margin-bottom: 14px;
    opacity: 0.9;
}
.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
}
.step-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.step-card p {
    color: var(--gray);
    font-size: 0.9375rem;
    margin-bottom: 0;
    line-height: 1.7;
}
@media (max-width: 991px) {
    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }
    .steps-grid .step-card:last-child {
        grid-column: 1 / -1;
    }
}
@media (max-width: 575px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid .step-card:last-child {
        grid-column: auto;
    }
}

/* ===== Cases ===== */
.cases-section {
    background: var(--bg);
}
.case-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    grid-template-rows: auto auto;
    gap: 24px;
}
.case-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    color: var(--ink);
}
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(46, 127, 168, 0.2);
    color: var(--ink);
}
.case-card .case-cover {
    overflow: hidden;
    aspect-ratio: 16 / 9;
}
.case-card .case-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.case-card:hover .case-cover img {
    transform: scale(1.04);
}
.case-card .case-body {
    padding: 1.5rem 1.5rem 1.75rem;
}
.case-card .case-tag {
    margin-bottom: 10px;
}
.case-card .case-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}
.case-card .case-desc {
    color: var(--gray);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 0;
}
.case-card.case-large .case-title {
    font-size: 1.375rem;
}
.case-card.case-large .case-body {
    padding: 1.75rem;
}
.case-card.case-large .case-cover {
    aspect-ratio: 16 / 8.5;
}
.case-card .case-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    margin-top: 14px;
    transition: gap 0.2s ease;
}
.case-card:hover .case-link {
    gap: 8px;
}
@media (max-width: 991px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 575px) {
    .case-card .case-cover {
        aspect-ratio: 16 / 9;
    }
    .case-card.case-large .case-cover {
        aspect-ratio: 16 / 9;
    }
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
}
.faq-wrap {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 48px;
    align-items: start;
}
.faq-intro h2 {
    font-size: clamp(1.75rem, 2.2vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 16px;
}
.faq-intro p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.8;
}
.faq-intro .btn {
    margin-top: 8px;
}
.accordion-item {
    background: #fff;
    border: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    margin-bottom: 12px;
    transition: var(--transition);
    overflow: hidden;
}
.accordion-item:first-of-type {
    border-top: 1px solid var(--line);
    border-radius: 0;
}
.accordion-button {
    background: #fff;
    color: var(--ink);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 1.1rem 1.25rem;
    border: none;
    box-shadow: none;
    transition: var(--transition);
    position: relative;
    border-left: 3px solid transparent;
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232E7FA8'%3e%3cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
    transition: transform 0.3s ease;
    width: 1.1rem;
    height: 1.1rem;
    background-size: contain;
}
.accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary-dark);
    box-shadow: none;
    border-left: 3px solid var(--primary);
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
}
.accordion-button:focus {
    box-shadow: none;
    border-color: var(--primary);
}
.accordion-body {
    background: var(--primary-light);
    color: var(--gray);
    font-size: 0.9375rem;
    line-height: 1.75;
    padding: 0 1.25rem 1.25rem;
    border-left: 3px solid var(--primary);
}
.accordion-button:not(.collapsed) + .accordion-body {
    background: var(--primary-light);
}
@media (max-width: 991px) {
    .faq-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, #EFF6FA 0%, #F8FBFC 60%, #FDF2E7 100%);
    position: relative;
    overflow: hidden;
    padding: 88px 0;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: linear-gradient(rgba(46, 127, 168, 0.08) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(46, 127, 168, 0.08) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.cta-wrap {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}
.cta-wrap h2 {
    font-size: clamp(1.75rem, 2.4vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 16px;
}
.cta-wrap .cta-desc {
    color: var(--gray);
    font-size: 1.0625rem;
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.cta-form {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: left;
    box-shadow: var(--shadow-card);
    max-width: 620px;
    margin: 0 auto;
}
.cta-form .form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}
.cta-form .form-control,
.cta-form .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid #C9D8E2;
    padding: 0.65rem 0.9rem;
    font-size: 0.9375rem;
    background: #fff;
    transition: var(--transition);
    min-height: 44px;
    color: var(--ink);
}
.cta-form .form-control:focus,
.cta-form .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.15);
    outline: none;
}
.cta-form .form-control::placeholder {
    color: var(--gray-light);
}
.cta-form .submit-btn {
    width: 100%;
}
@media (max-width: 575px) {
    .cta-section {
        padding: 56px 0;
    }
    .cta-form {
        padding: 22px;
    }
    .cta-actions .btn {
        width: 100%;
    }
}

/* ===== News / Posts ===== */
.news-section {
    background: var(--bg);
    padding: 88px 0 96px;
}
.news-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}
.news-header .section-title {
    font-size: clamp(1.75rem, 2.2vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 6px;
}
.news-header .section-desc {
    color: var(--gray);
    margin-bottom: 0;
}
.news-more {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.news-more:hover {
    gap: 10px;
    color: var(--primary-dark);
}
.news-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
    display: block;
    color: var(--ink);
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(46, 127, 168, 0.2);
    color: var(--ink);
}
.news-card .news-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--primary-light);
}
.news-card .news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.news-card:hover .news-cover img {
    transform: scale(1.04);
}
.news-card .news-body {
    padding: 1.25rem 1.25rem 1.4rem;
}
.news-card .news-tag {
    margin-bottom: 10px;
}
.news-card .news-title {
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3em;
    color: var(--ink);
    transition: color 0.2s ease;
}
.news-card:hover .news-title {
    color: var(--primary);
}
.news-card .news-summary {
    color: var(--gray);
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
}
.news-card .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--gray-light);
    border-top: 1px solid var(--line);
    padding-top: 12px;
    margin-top: auto;
}
.news-card .news-read {
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}
.news-card:hover .news-read {
    transform: translateX(3px);
}
.empty-state {
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    color: var(--gray-light);
    font-size: 0.9375rem;
}
.empty-state i {
    display: block;
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--gray-light);
}
@media (max-width: 991px) {
    .news-section {
        padding: 64px 0;
    }
    .news-card .news-summary {
        min-height: 0;
    }
}
@media (max-width: 575px) {
    .news-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .news-card .news-title {
        min-height: 0;
    }
}

/* ===== Footer ===== */
.site-footer {
    background: var(--ink);
    color: #9DB2C0;
    padding: 64px 0 0;
    font-size: 0.875rem;
}
.site-footer .footer-brand .footer-logo {
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.site-footer .footer-brand .footer-logo i {
    color: var(--amber);
}
.site-footer .footer-brand p {
    color: #9DB2C0;
    line-height: 1.7;
    max-width: 260px;
}
.site-footer h4 {
    font-size: 0.9375rem;
    color: #fff;
    margin-bottom: 18px;
    font-weight: 500;
}
.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer ul li {
    margin-bottom: 10px;
}
.site-footer a {
    color: #9DB2C0;
    transition: color 0.2s ease;
}
.site-footer a:hover {
    color: #fff;
    text-decoration: none;
}
.site-footer .footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #9DB2C0;
}
.site-footer .footer-contact i {
    color: var(--primary);
    font-size: 1rem;
}
.footer-bottom {
    margin-top: 52px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    text-align: center;
    color: #7C8B99;
    font-size: 0.8125rem;
}
.footer-bottom p {
    margin: 0;
}
@media (max-width: 767px) {
    .site-footer {
        padding-top: 48px;
    }
    .site-footer .col-lg-2,
    .site-footer .col-lg-3,
    .site-footer .col-lg-4 {
        margin-bottom: 2rem;
    }
    .footer-bottom {
        margin-top: 28px;
    }
}

/* roulang page: article */
:root {
            --primary: #2E7FA8;
            --primary-dark: #1E5877;
            --primary-light: #EFF6FA;
            --accent: #F0A33A;
            --accent-dark: #D98A20;
            --ink: #1E2B39;
            --text: #5B6B7A;
            --weak: #93A5B4;
            --line: #E7EFF4;
            --bg: #F6F9FC;
            --card: #FFFFFF;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow: 0 2px 12px rgba(30, 43, 57, 0.05), 0 8px 24px rgba(30, 43, 57, 0.06);
            --shadow-hover: 0 6px 18px rgba(30, 43, 57, 0.08), 0 18px 40px rgba(30, 43, 57, 0.10);
            --font-family: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: all 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
        }

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

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
        }

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .site-navbar {
            background: #fff;
            box-shadow: 0 1px 12px rgba(30, 43, 57, 0.08);
            min-height: 56px;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--line);
        }

        .site-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0;
            margin: 0;
            line-height: 1.2;
        }

        .site-navbar .navbar-brand i {
            color: var(--accent);
            font-size: 1.35rem;
        }

        .site-navbar .navbar-nav {
            margin-left: 2rem;
            gap: 0.25rem;
        }

        .site-navbar .nav-link {
            color: var(--text);
            font-weight: 500;
            font-size: 0.9375rem;
            padding: 0.75rem 1rem !important;
            border-radius: 8px;
            position: relative;
        }

        .site-navbar .nav-link:hover,
        .site-navbar .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-navbar .nav-link.active::after {
            content: "";
            display: block;
            height: 2px;
            width: 20px;
            background: var(--primary);
            border-radius: 2px;
            margin: 2px auto 0;
        }

        .site-navbar .nav-right {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .site-navbar .nav-search {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: var(--text);
            font-size: 1rem;
            transition: all 0.25s ease;
        }

        .site-navbar .nav-search:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn {
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 0.55rem 1.4rem;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            border: 1px solid transparent;
            transition: all 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 88, 119, 0.25);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.3);
        }

        .btn-cta {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--ink);
        }

        .btn-cta:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(217, 138, 32, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 991px) {
            .site-navbar .navbar-brand {
                font-size: 1rem;
            }

            .site-navbar .navbar-nav {
                margin-left: 0;
                margin-top: 0.5rem;
                gap: 0;
            }

            .site-navbar .nav-right {
                padding: 0.75rem 0 0.25rem;
                margin-top: 0.5rem;
                border-top: 1px solid var(--line);
            }
        }

        @media (max-width: 575px) {
            .site-navbar .navbar-brand {
                font-size: 0.9375rem;
            }

            .site-navbar .navbar-brand i {
                font-size: 1.2rem;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            font-size: 0.8125rem;
            color: var(--weak);
            margin-bottom: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.35rem;
        }

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

        .breadcrumb-wrap .sep {
            color: var(--line);
            margin: 0 0.25rem;
        }

        .breadcrumb-wrap .current {
            color: var(--weak);
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: inline-block;
        }

        /* ===== 文章主体 ===== */
        .article-page {
            padding: 3rem 0 1.5rem;
        }

        .article-wrap {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 2.5rem 3rem;
            max-width: 900px;
            margin: 0 auto 2.5rem;
        }

        .article-wrap h1 {
            font-size: clamp(1.75rem, 2.6vw, 2.35rem);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            color: var(--weak);
            font-size: 0.875rem;
            padding-bottom: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid var(--line);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta i {
            color: var(--primary);
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .article-content p {
            color: var(--text);
            line-height: 1.75;
            margin-bottom: 1.5rem;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--ink);
            margin: 2rem 0 1rem;
            padding-left: 0.75rem;
            border-left: 3px solid var(--primary);
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--ink);
            margin: 1.75rem 0 0.75rem;
        }

        .article-content blockquote {
            background: var(--primary-light);
            border-radius: 0 12px 12px 0;
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            border-left: 4px solid var(--primary);
            color: var(--text);
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.25rem 0 1.5rem;
            padding-left: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
            line-height: 1.75;
        }

        .article-content img {
            display: block;
            margin: 2rem auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 0.75rem 1rem;
            text-align: left;
        }

        .article-content th {
            background: var(--primary-light);
            font-weight: 600;
            color: var(--ink);
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid var(--primary);
        }

        /* 返回链接 */
        .article-back {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--line);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .article-back a {
            font-size: 0.875rem;
            font-weight: 500;
        }

        /* ===== 相关内容 ===== */
        .related-posts {
            max-width: 1280px;
            margin: 0 auto 3rem;
            padding: 0 20px;
        }

        .related-posts .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 1.75rem;
        }

        .related-posts h2 {
            font-size: clamp(1.5rem, 2vw, 1.875rem);
            font-weight: 600;
            color: var(--ink);
            margin: 0;
        }

        .section-sub {
            color: var(--weak);
            font-size: 0.875rem;
        }

        .related-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.2, 0.8, 0.4, 1);
            box-shadow: 0 2px 8px rgba(30, 43, 57, 0.03);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 127, 168, 0.2);
        }

        .related-card .card-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .related-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

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

        .related-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        .related-card .card-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.5rem;
            line-height: 1.45;
            transition: color 0.25s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .card-body h3 {
            color: var(--primary);
        }

        .related-card .card-body p {
            font-size: 0.875rem;
            color: var(--text);
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .related-card .card-link i {
            transition: transform 0.25s ease;
        }

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

        /* ===== CTA ===== */
        .article-cta {
            background: linear-gradient(135deg, #EFF6FA 0%, #E2F0F7 60%, #D8EAF2 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            text-align: center;
            margin: 0 20px 4rem;
            max-width: 1280px;
            position: relative;
            overflow: hidden;
        }

        .article-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 80%, rgba(240, 163, 58, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 80% 20%, rgba(34, 166, 153, 0.06) 0%, transparent 35%);
            pointer-events: none;
        }

        .article-cta h2 {
            font-size: clamp(1.5rem, 2.2vw, 2rem);
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.75rem;
        }

        .article-cta p {
            max-width: 560px;
            margin: 0 auto 1.75rem;
            color: var(--text);
        }

        .article-cta .btn-group {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .article-cta .btn {
            min-width: 160px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1E2B39;
            color: #9DB2C0;
            padding: 4rem 0 0;
            margin-top: 2rem;
        }

        .site-footer .footer-brand {
            margin-bottom: 1rem;
        }

        .site-footer .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .site-footer .footer-logo i {
            color: var(--accent);
        }

        .site-footer p {
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 0.5rem;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

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

        .site-footer ul li {
            margin-bottom: 0.6rem;
        }

        .site-footer ul a {
            color: #9DB2C0;
            font-size: 0.875rem;
            transition: all 0.2s ease;
        }

        .site-footer ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .site-footer .footer-contact i {
            color: var(--primary);
            font-size: 0.875rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 2rem;
            padding: 1.25rem 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.8125rem;
            margin: 0;
            color: #7d92a0;
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found i {
            font-size: 3rem;
            color: var(--line);
            margin-bottom: 1rem;
        }

        .not-found h1 {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 0.75rem;
        }

        .not-found p {
            color: var(--text);
            margin-bottom: 1.5rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .site-navbar .navbar-collapse {
                background: #fff;
                border-radius: 0 0 12px 12px;
                padding: 1rem 1.25rem;
                box-shadow: var(--shadow);
            }

            .site-navbar .navbar-nav {
                margin: 0;
            }

            .nav-right {
                margin-top: 0.5rem;
                padding-top: 0.75rem;
                border-top: 1px solid var(--line);
            }

            .article-wrap {
                padding: 2rem 1.5rem;
            }

            .article-cta {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .article-page {
                padding: 1.5rem 0 1rem;
            }

            .article-wrap {
                padding: 1.5rem 20px;
                border-radius: 12px;
                margin-bottom: 1.5rem;
            }

            .article-meta {
                gap: 0.75rem;
                font-size: 0.8125rem;
            }

            .related-posts .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

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

        @media (max-width: 575px) {
            .article-wrap {
                padding: 1.25rem 1rem;
                border-radius: 0;
                border-left: none;
                border-right: none;
            }

            .article-wrap h1 {
                font-size: 1.5rem;
            }

            .article-content p {
                font-size: 0.9375rem;
            }

            .article-back {
                flex-direction: column;
                align-items: flex-start;
            }

            .site-footer {
                padding-top: 2.5rem;
            }

            .footer-bottom p {
                font-size: 0.75rem;
                line-height: 1.6;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2E7FA8;
            --primary-dark: #1E5877;
            --primary-light: #EFF6FA;
            --accent: #F0A33A;
            --accent-dark: #D98A20;
            --success: #22A699;
            --danger: #E5533C;
            --ink: #1E2B39;
            --gray: #5B6B7A;
            --gray-light: #93A5B4;
            --line: #E7EFF4;
            --bg: #F6F9FC;
            --card-bg: #FFFFFF;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-tag: 16px;
            --shadow-card: 0 2px 12px rgba(30, 43, 57, 0.05), 0 8px 24px rgba(30, 43, 57, 0.06);
            --shadow-hover: 0 6px 18px rgba(30, 43, 57, 0.08), 0 18px 40px rgba(30, 43, 57, 0.10);
            --shadow-nav: 0 1px 12px rgba(30, 43, 57, 0.08);
            --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input {
            transition: var(--transition);
        }
        .container {
            max-width: 1280px;
        }

        /* ===== 导航 ===== */
        .site-navbar {
            background: var(--card-bg);
            box-shadow: var(--shadow-nav);
            min-height: 56px;
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .site-navbar .navbar {
            min-height: 56px;
        }
        .site-navbar .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--ink);
            margin-right: 24px;
            line-height: 1.2;
            padding: 0;
        }
        .site-navbar .navbar-brand i {
            color: var(--accent);
            font-size: 1.375rem;
            line-height: 1;
        }
        .site-navbar .navbar-brand span {
            white-space: nowrap;
        }
        .site-navbar .nav-item {
            display: flex;
            align-items: center;
        }
        .site-navbar .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
        }
        .site-navbar .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-navbar .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-navbar .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .site-navbar .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 16px;
        }
        .site-navbar .nav-search {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--ink);
            font-size: 1rem;
            border: 1px solid var(--line);
        }
        .site-navbar .nav-search:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .navbar-toggler {
            border: none;
            padding: 4px;
            border-radius: var(--radius-sm);
            color: var(--ink);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.2);
            outline: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E2B39' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .site-navbar .navbar-collapse {
                background: var(--card-bg);
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-hover);
                padding: 16px 20px;
                margin-top: 12px;
                border: 1px solid var(--line);
            }
            .site-navbar .nav-link {
                padding: 10px 12px;
                border-radius: var(--radius-sm);
            }
            .site-navbar .nav-link.active::after {
                display: none;
            }
            .site-navbar .nav-right {
                margin-left: 0;
                padding-top: 12px;
                border-top: 1px solid var(--line);
                margin-top: 8px;
                justify-content: space-between;
            }
            .site-navbar .nav-right .btn {
                flex: 1;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            min-height: 44px;
            padding: 10px 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: var(--transition);
            border-width: 1px;
        }
        .btn:focus,
        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.3);
            outline: none;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30, 88, 119, 0.2);
        }
        .btn-primary:active {
            transform: scale(0.98);
            background: var(--primary-dark);
        }
        .btn-cta {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--ink);
        }
        .btn-cta:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 138, 32, 0.25);
        }
        .btn-cta:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }
        .btn-sm {
            min-height: 36px;
            padding: 6px 18px;
            font-size: 0.875rem;
        }
        .btn-lg {
            min-height: 50px;
            padding: 12px 32px;
            font-size: 1rem;
        }
        @media (max-width: 575.98px) {
            .btn {
                width: 100%;
            }
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            background: linear-gradient(100deg, #EFF6FA 35%, rgba(239, 246, 250, 0.92) 65%, rgba(239, 246, 250, 0.75)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            padding: 76px 0 72px;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }
        .category-banner::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 380px;
            height: 100%;
            background-image: linear-gradient(rgba(46, 127, 168, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(46, 127, 168, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .banner-dot {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 16px;
        }
        .banner-dot::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .category-banner h1 {
            font-size: clamp(2.25rem, 3.2vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--ink);
            letter-spacing: -0.5px;
        }
        .category-banner .banner-lead {
            font-size: 1.0625rem;
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .banner-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }
        .banner-meta-row .meta-item {
            display: flex;
            flex-direction: column;
        }
        .banner-meta-row .meta-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            font-variant-numeric: tabular-nums;
        }
        .banner-meta-row .meta-label {
            font-size: 0.8125rem;
            color: var(--gray-light);
        }
        @media (max-width: 767.98px) {
            .category-banner {
                padding: 52px 0 48px;
            }
            .category-banner h1 {
                font-size: 1.75rem;
            }
            .banner-meta-row {
                gap: 20px;
            }
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--card-bg);
        }
        .section-head {
            margin-bottom: 48px;
            position: relative;
        }
        .section-head .section-en {
            font-size: 0.8125rem;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--primary);
            font-weight: 600;
            display: block;
            margin-bottom: 8px;
        }
        .section-head .section-title {
            font-size: clamp(1.75rem, 2.2vw, 2.25rem);
            font-weight: 600;
            line-height: 1.3;
            margin: 0;
            color: var(--ink);
        }
        .section-head .section-sub {
            font-size: 0.9375rem;
            color: var(--gray);
            margin-top: 12px;
            max-width: 640px;
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 52px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }

        /* ===== 热点卡片 ===== */
        .hot-focus-section {
            background: var(--bg);
            padding: 96px 0 80px;
        }
        .hot-card {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            margin-bottom: 40px;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 127, 168, 0.2);
        }
        .hot-card .hot-img {
            height: 100%;
            min-height: 320px;
            overflow: hidden;
            padding: 0;
        }
        .hot-card .hot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .hot-card .hot-body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hot-card .tag {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
        }
        .hot-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.35;
            margin-bottom: 14px;
            color: var(--ink);
        }
        .hot-card p {
            color: var(--gray);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 22px;
        }
        .hot-card .hot-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9375rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hot-card .hot-link i {
            transition: transform 0.25s ease;
        }
        .hot-card .hot-link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 991.98px) {
            .hot-card .hot-img {
                min-height: 220px;
            }
            .hot-card .hot-body {
                padding: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .hot-focus-section {
                padding: 48px 0 40px;
            }
            .hot-card .hot-body {
                padding: 20px;
            }
            .hot-card h3 {
                font-size: 1.25rem;
            }
        }

        /* ===== 小卡片网格 ===== */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-bottom: 40px;
        }
        .grid-card {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .grid-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 127, 168, 0.25);
        }
        .grid-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .grid-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }
        .grid-card:hover .card-img img {
            transform: scale(1.04);
        }
        .grid-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .grid-card .tag {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
        }
        .grid-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--ink);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .grid-card:hover h3 {
            color: var(--primary);
        }
        .grid-card .card-summary {
            font-size: 0.875rem;
            color: var(--gray);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .grid-card .card-foot {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--gray-light);
            border-top: 1px solid var(--line);
            padding-top: 14px;
        }
        .grid-card .card-foot a {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 991.98px) {
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .grid-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 分页条 ===== */
        .pagination-static {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-top: 8px;
        }
        .pagination-static a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background: var(--card-bg);
            color: var(--gray);
            font-size: 0.875rem;
            font-weight: 500;
        }
        .pagination-static a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .pagination-static a.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .pagination-static a.disabled {
            opacity: 0.5;
            pointer-events: none;
        }

        /* ===== 服务卖点 ===== */
        .service-section {
            background: var(--card-bg);
            padding: 96px 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .service-item {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
        }
        .service-item:hover {
            border-color: rgba(46, 127, 168, 0.3);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .service-item .service-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.375rem;
            margin-bottom: 20px;
        }
        .service-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--ink);
        }
        .service-item p {
            font-size: 0.875rem;
            color: var(--gray);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 991.98px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .service-section {
                padding: 48px 0;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
            padding: 96px 0;
        }
        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: start;
        }
        .faq-side .faq-title {
            font-size: clamp(1.75rem, 2.2vw, 2.25rem);
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .faq-side p {
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .faq-side .faq-contact {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item[data-state="open"] {
            background: var(--primary-light);
            border-left: 3px solid var(--primary);
        }
        .faq-item .accordion-button {
            background: transparent;
            color: var(--ink);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
        }
        .faq-item .accordion-button::after {
            font-family: "bootstrap-icons";
            content: "\F4FE";
            background: none;
            width: auto;
            height: auto;
            font-size: 1.125rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.15);
        }
        .faq-item .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .faq-item .accordion-collapse {
            border: none;
        }
        .faq-item .accordion-body {
            padding: 0 24px 20px;
            color: var(--gray);
            font-size: 0.9375rem;
            line-height: 1.75;
        }
        @media (max-width: 991.98px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 575.98px) {
            .faq-section {
                padding: 48px 0;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 88px 0;
            background: linear-gradient(135deg, #EFF6FA 0%, #E2EEF5 60%, #D7E8F1 100%);
            border-top: 1px solid var(--line);
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(46, 127, 168, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(46, 127, 168, 0.07) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.75rem, 2.2vw, 2.25rem);
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--ink);
        }
        .cta-inner p {
            font-size: 1rem;
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .cta-inner .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        @media (max-width: 575.98px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-inner .cta-btns .btn {
                width: 100%;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #9DB2C0;
            padding: 64px 0 24px;
            font-size: 0.875rem;
            line-height: 1.7;
        }
        .site-footer .footer-brand {
            margin-bottom: 16px;
        }
        .site-footer .footer-logo {
            font-size: 1.125rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-logo i {
            color: var(--accent);
            font-size: 1.375rem;
        }
        .site-footer p {
            color: #9DB2C0;
            margin-bottom: 0;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            color: #9DB2C0;
            transition: var(--transition);
        }
        .site-footer ul a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact i {
            color: var(--primary);
            font-size: 0.9375rem;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 24px;
            text-align: center;
            font-size: 0.8125rem;
            color: #7E93A2;
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 48px 0 20px;
            }
        }

        /* ===== 通用徽章/标签 ===== */
        .badge-soft {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: var(--radius-tag);
            padding: 4px 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .badge-accent {
            background: rgba(240, 163, 58, 0.14);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: var(--radius-tag);
            padding: 4px 14px;
        }

/* roulang page: category2 */
:root {
            --primary: #2E7FA8;
            --primary-dark: #1E5877;
            --primary-light: #EFF6FA;
            --accent: #F0A33A;
            --accent-dark: #D98A20;
            --green: #22A699;
            --ink: #1E2B39;
            --gray: #5B6B7A;
            --gray-light: #93A5B4;
            --line: #E7EFF4;
            --bg: #F6F9FC;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 12px rgba(30, 43, 57, 0.05), 0 8px 24px rgba(30, 43, 57, 0.06);
            --shadow-hover: 0 6px 18px rgba(30, 43, 57, 0.08), 0 18px 40px rgba(30, 43, 57, 0.10);
            --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.4, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            margin: 0 0 0.75rem;
        }
        p {
            margin: 0 0 1rem;
        }
        .container {
            max-width: 1280px;
        }

        /* ===== 导航 ===== */
        .site-navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: 0 1px 12px rgba(30, 43, 57, 0.08);
            height: 56px;
            border-bottom: 1px solid var(--line);
        }
        .site-navbar .navbar {
            min-height: 56px;
        }
        .site-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0;
            line-height: 1.2;
        }
        .site-navbar .navbar-brand i {
            color: var(--primary);
            font-size: 1.35rem;
        }
        .site-navbar .navbar-brand span {
            white-space: nowrap;
        }
        .site-navbar .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--gray);
            padding: 0.5rem 1rem !important;
            position: relative;
            border-radius: 6px;
        }
        .site-navbar .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-navbar .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-navbar .nav-link.active::after {
            content: '';
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0.15rem;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-search {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--gray);
            background: var(--bg);
            border: 1px solid var(--line);
            transition: var(--transition);
        }
        .nav-search:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .site-navbar .btn-primary {
            background: var(--primary);
            border: none;
            padding: 0.45rem 1.1rem;
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
        }
        .site-navbar .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30, 88, 119, 0.25);
        }
        .site-navbar .navbar-toggler {
            border: none;
            color: var(--primary);
            padding: 4px 8px;
        }
        .site-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, 0.2);
        }
        .site-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232E7FA8' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                position: fixed;
                top: 56px;
                left: 12px;
                right: 12px;
                background: var(--white);
                border-radius: 12px;
                box-shadow: var(--shadow-hover);
                border: 1px solid var(--line);
                padding: 16px;
                z-index: 1001;
            }
            .navbar-nav {
                gap: 2px;
            }
            .site-navbar .nav-link.active::after {
                display: none;
            }
            .site-navbar .nav-link.active {
                background: var(--primary-light);
                border-radius: 8px;
            }
            .nav-right {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--line);
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(120deg, rgba(239, 246, 250, 0.95) 0%, rgba(239, 246, 250, 0.75) 50%, rgba(239, 246, 250, 0.55) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0 72px;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(46, 127, 168, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .banner-content {
            max-width: 760px;
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--line);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            box-shadow: 0 2px 8px rgba(30, 43, 57, 0.04);
        }
        .banner-badge i {
            font-size: 0.9rem;
        }
        .page-banner h1 {
            font-size: clamp(2rem, 3vw, 2.75rem);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .page-banner h1 span {
            color: var(--primary);
        }
        .page-banner .banner-desc {
            font-size: 1.0625rem;
            color: var(--gray);
            line-height: 1.75;
            max-width: 660px;
            margin-bottom: 28px;
        }
        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            border-left: 4px solid var(--primary);
            padding-left: 24px;
        }
        .banner-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .banner-stats .stat-item strong {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.2;
        }
        .banner-stats .stat-item span {
            font-size: 0.8125rem;
            color: var(--gray-light);
        }

        /* ===== 通用区块头部 ===== */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-overline {
            display: block;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(1.75rem, 2.2vw, 2.25rem);
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--gray);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== 横排知识卡片 ===== */
        .wiki-content-section {
            padding: 96px 0;
        }
        .wiki-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .wiki-card {
            display: flex;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        .wiki-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 127, 168, 0.2);
        }
        .wiki-card-img {
            flex: 0 0 280px;
            min-height: 200px;
            overflow: hidden;
            position: relative;
        }
        .wiki-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.55s ease;
        }
        .wiki-card:hover .wiki-card-img img {
            transform: scale(1.06);
        }
        .wiki-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(30, 43, 57, 0.25));
            opacity: 0;
            transition: opacity 0.35s ease;
        }
        .wiki-card:hover .wiki-card-img::after {
            opacity: 1;
        }
        .wiki-card-body {
            flex: 1;
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .wiki-card-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 14px;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 12px;
            border-radius: 30px;
            line-height: 1.6;
        }
        .wiki-card-body h3 {
            font-size: 1.375rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .wiki-card:hover .wiki-card-body h3 {
            color: var(--primary);
        }
        .wiki-card-body p {
            color: var(--gray);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 18px;
            max-width: 720px;
        }
        .wiki-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8125rem;
            color: var(--gray-light);
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 8px 0;
        }
        .link-more:hover {
            color: var(--primary-dark);
            gap: 9px;
        }
        .link-more i {
            font-size: 0.875rem;
            transition: transform 0.2s;
        }
        @media (max-width: 768px) {
            .wiki-card {
                flex-direction: column;
            }
            .wiki-card-img {
                flex: 0 0 180px;
                min-height: 180px;
            }
            .wiki-card-body {
                padding: 24px;
            }
            .wiki-card-body h3 {
                font-size: 1.1875rem;
            }
            .wiki-card-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        /* ===== 热门分类 ===== */
        .category-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .category-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }
        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-light);
            border: 1px solid transparent;
            border-radius: 30px;
            padding: 8px 22px;
            transition: var(--transition);
            cursor: pointer;
        }
        .category-tag i {
            font-size: 1rem;
        }
        .category-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(46, 127, 168, 0.25);
        }

        /* ===== 学习路径 ===== */
        .path-section {
            padding: 96px 0;
        }
        .path-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }
        .path-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
            z-index: 0;
        }
        .path-step {
            position: relative;
            z-index: 1;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 26px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .path-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-num {
            width: 64px;
            height: 64px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .path-step:hover .step-num {
            background: var(--accent);
            color: var(--ink);
        }
        .path-step h4 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .path-step p {
            font-size: 0.875rem;
            color: var(--gray);
            line-height: 1.65;
            margin-bottom: 0;
        }
        @media (max-width: 991.98px) {
            .path-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .path-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .path-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--white);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .faq-left {
            padding-right: 48px;
        }
        .faq-left h2 {
            font-size: clamp(1.75rem, 2.2vw, 2.25rem);
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 16px;
        }
        .faq-left p {
            color: var(--gray);
            font-size: 1rem;
            margin-bottom: 24px;
            line-height: 1.75;
        }
        .faq-contact {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 0;
        }
        .faq-contact i {
            font-size: 1.2rem;
        }
        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: 12px;
            --bs-accordion-bg: transparent;
        }
        .accordion-item {
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 12px !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(46, 127, 168, 0.08);
        }
        .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            background: var(--white);
            padding: 20px 24px;
            border: none;
            outline: none;
            box-shadow: none;
            gap: 12px;
            transition: var(--transition);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(46, 127, 168, 0.25);
            outline-offset: -2px;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-left: 3px solid var(--primary);
        }
        .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--gray-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--bg);
            line-height: 1;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--primary);
            background-color: rgba(46, 127, 168, 0.15);
        }
        .accordion-body {
            padding: 8px 24px 22px;
            background: var(--primary-light);
            color: var(--gray);
            font-size: 0.9375rem;
            line-height: 1.75;
            border-left: 3px solid var(--primary);
        }
        @media (max-width: 991.98px) {
            .faq-left {
                padding-right: 0;
                margin-bottom: 32px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background: linear-gradient(135deg, #EFF6FA 0%, #DEEFF8 50%, #EAF4FA 100%);
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(46, 127, 168, 0.08) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .cta-copy h2 {
            font-size: clamp(1.75rem, 2.4vw, 2.25rem);
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
        }
        .cta-copy p {
            color: var(--gray);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 460px;
        }
        .cta-copy .btn-cta {
            background: var(--accent);
            color: var(--ink);
            border: none;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.65rem 2rem;
            border-radius: 8px;
            min-height: 44px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(240, 163, 58, 0.35);
        }
        .cta-copy .btn-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 138, 32, 0.35);
        }
        .cta-copy .btn-cta:active {
            transform: scale(0.98);
        }
        .cta-copy .btn-cta:focus {
            outline: 3px solid rgba(240, 163, 58, 0.3);
            outline-offset: 2px;
        }
        .cta-copy .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-size: 1rem;
            font-weight: 600;
            padding: 0.65rem 2rem;
            border-radius: 8px;
            min-height: 44px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-copy .btn-outline:hover {
            background: rgba(46, 127, 168, 0.08);
            transform: translateY(-2px);
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .cta-form-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--line);
        }
        .cta-form-card .form-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--ink);
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border-radius: 8px;
            border: 1px solid #C9D8E2;
            padding: 0.55rem 0.9rem;
            font-size: 0.9375rem;
            color: var(--ink);
            background-color: var(--white);
            min-height: 44px;
            transition: var(--transition);
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(46, 127, 168, 0.12);
            outline: none;
        }
        .cta-form-card .form-select {
            appearance: auto;
        }
        .cta-form-card .btn-submit {
            width: 100%;
            background: var(--accent);
            color: var(--ink);
            border: none;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.6rem;
            border-radius: 8px;
            min-height: 46px;
            transition: var(--transition);
            margin-top: 8px;
        }
        .cta-form-card .btn-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(217, 138, 32, 0.25);
        }
        .cta-form-card .btn-submit:active {
            transform: scale(0.98);
        }
        .cta-form-card .btn-submit:focus {
            outline: 3px solid rgba(240, 163, 58, 0.3);
            outline-offset: 2px;
        }
        .form-tip {
            margin-top: 12px;
            padding: 10px 14px;
            border-radius: 8px;
            font-size: 0.875rem;
            display: none;
            align-items: center;
            gap: 8px;
            background: rgba(34, 166, 153, 0.1);
            color: #1a7a6e;
            border: 1px solid rgba(34, 166, 153, 0.2);
        }
        .form-tip.show {
            display: flex;
        }
        @media (max-width: 991.98px) {
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #9DB2C0;
            padding: 72px 0 28px;
            font-size: 0.9375rem;
        }
        .site-footer .footer-brand {
            margin-bottom: 16px;
        }
        .site-footer .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-logo i {
            color: var(--accent);
        }
        .site-footer p {
            color: #9DB2C0;
            line-height: 1.7;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.0625rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            color: #9DB2C0;
            transition: var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact i {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 44px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8125rem;
            color: #6C8290;
        }
        .footer-bottom p {
            margin: 0;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 48px 0 20px;
            }
        }

        /* ===== 通用响应式 ===== */
        @media (max-width: 991.98px) {
            .page-banner {
                padding: 60px 0 56px;
            }
            .wiki-content-section,
            .path-section,
            .faq-section,
            .cta-section {
                padding: 64px 0;
            }
        }
        @media (max-width: 576px) {
            .page-banner {
                padding: 44px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.75rem;
            }
            .banner-stats {
                gap: 20px;
                padding-left: 16px;
            }
            .banner-stats .stat-item strong {
                font-size: 1.375rem;
            }
            .wiki-content-section,
            .path-section,
            .faq-section,
            .cta-section {
                padding: 48px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .cta-copy .btn-cta,
            .cta-copy .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2E7FA8;
            --primary-dark: #1E5877;
            --primary-light: #EFF6FA;
            --accent: #F0A33A;
            --accent-dark: #D98A20;
            --teal: #22A699;
            --danger: #E5533C;
            --ink: #1E2B39;
            --text: #5B6B7A;
            --muted: #93A5B4;
            --line: #E7EFF4;
            --bg: #F6F9FC;
            --card: #FFFFFF;
            --shadow: 0 2px 12px rgba(30, 43, 57, .05), 0 8px 24px rgba(30, 43, 57, .06);
            --shadow-hover: 0 6px 18px rgba(30, 43, 57, .08), 0 18px 40px rgba(30, 43, 57, .10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --font-cn: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-num: "Inter", "Arial", sans-serif;
        }

        /* ===== 基础 reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-cn);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--ink);
            font-weight: 600;
            line-height: 1.3;
            margin-top: 0;
        }
        p {
            margin: 0 0 1rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        ul, ol {
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-navbar {
            position: relative;
            z-index: 100;
            min-height: 56px;
            background: var(--card);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .3s ease;
        }
        .site-navbar .navbar {
            min-height: 56px;
        }
        .site-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: .5rem;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--ink);
            letter-spacing: .01em;
            padding-top: 0;
            padding-bottom: 0;
        }
        .site-navbar .navbar-brand i {
            font-size: 1.35rem;
            color: var(--accent);
        }
        .site-navbar .navbar-nav {
            margin-left: 1.5rem;
            gap: .25rem;
        }
        .site-navbar .nav-link {
            font-size: .9375rem;
            font-weight: 500;
            color: var(--text);
            padding: 0.5rem 0.9rem !important;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color .2s ease;
        }
        .site-navbar .nav-link:hover {
            color: var(--primary);
        }
        .site-navbar .nav-link.active {
            color: var(--primary-dark);
            font-weight: 600;
        }
        .site-navbar .nav-link.active::after {
            content: "";
            position: absolute;
            left: .9rem;
            right: .9rem;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: .75rem;
        }
        .nav-search {
            width: 40px;
            height: 40px;
            border: 1px solid var(--line);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 1rem;
            transition: all .25s ease;
        }
        .nav-search:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-toggler {
            border: none;
            padding: .25rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, .2);
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            background-image: none;
        }

        /* ===== 通用按钮 ===== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 500;
            min-height: 44px;
            padding: .5rem 1.4rem;
            transition: all .25s cubic-bezier(.2, .8, .4, 1);
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(46, 127, 168, .25);
            color: #fff;
        }
        .btn-primary:focus {
            box-shadow: 0 0 0 3px rgba(46, 127, 168, .3);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-cta {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--ink);
            font-weight: 600;
            padding: .75rem 1.9rem;
            min-height: 48px;
        }
        .btn-cta:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(240, 163, 58, .3);
        }
        .btn-cta:focus {
            box-shadow: 0 0 0 3px rgba(240, 163, 58, .35);
        }
        .btn-cta:active {
            transform: scale(.98);
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
            padding: .75rem 1.9rem;
            min-height: 48px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            min-height: 40px;
            padding: .35rem 1.1rem;
        }

        /* ===== 分类页 Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, rgba(239, 246, 250, .96), rgba(255, 255, 255, .88)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--line);
            padding: 84px 0 66px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 1px solid rgba(46, 127, 168, .12);
            background: radial-gradient(circle, rgba(255, 255, 255, .6) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-banner .banner-badge {
            display: inline-block;
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: .14em;
            color: var(--primary-dark);
            background: rgba(255, 255, 255, .8);
            border: 1px solid rgba(46, 127, 168, .18);
            border-radius: 30px;
            padding: .3rem 1rem;
            margin-bottom: 1.1rem;
            font-family: var(--font-num);
        }
        .category-banner h1 {
            font-size: clamp(1.9rem, 3.2vw, 2.75rem);
            font-weight: 700;
            color: var(--ink);
            margin-bottom: .9rem;
        }
        .category-banner .banner-desc {
            font-size: 1.0625rem;
            color: var(--text);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== 服务介绍 + 流程 ===== */
        .service-section {
            padding: 96px 0 80px;
        }
        .service-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 127, 168, .2);
        }
        .service-card-media {
            overflow: hidden;
            height: 240px;
        }
        .service-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .service-card:hover .service-card-media img {
            transform: scale(1.04);
        }
        .service-card-body {
            padding: 1.5rem 1.75rem 1.75rem;
        }
        .service-card-body h3 {
            font-size: 1.375rem;
            margin-bottom: .75rem;
        }
        .service-card-body p {
            color: var(--text);
            line-height: 1.75;
            margin-bottom: 1.25rem;
        }
        .service-card-body ul {
            list-style: none;
            padding: 0;
        }
        .service-card-body ul li {
            display: flex;
            align-items: center;
            gap: .5rem;
            color: var(--ink);
            font-size: .9375rem;
            padding: .45rem 0;
            border-bottom: 1px solid var(--line);
        }
        .service-card-body ul li:last-child {
            border-bottom: none;
        }
        .service-card-body ul li i {
            color: var(--teal);
            font-size: 1.1rem;
        }

        /* 流程面板 */
        .process-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 2rem 2rem 1.75rem;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            height: 100%;
        }
        .process-panel:hover {
            box-shadow: var(--shadow-hover);
        }
        .process-panel h3 {
            font-size: 1.375rem;
            margin-bottom: .3rem;
        }
        .process-panel .process-sub {
            color: var(--muted);
            font-size: .9375rem;
            margin-bottom: 1.25rem;
        }
        .process-list {
            list-style: none;
            position: relative;
            padding: 0;
            margin: 0;
        }
        .process-list::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 24px;
            bottom: 24px;
            width: 1px;
            background: var(--line);
        }
        .process-list li {
            position: relative;
            display: flex;
            gap: 1rem;
            padding-bottom: 1.5rem;
        }
        .process-list li:last-child {
            padding-bottom: 0;
        }
        .process-num {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            border: 1px solid rgba(46, 127, 168, .15);
            color: var(--primary-dark);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            z-index: 1;
            transition: all .3s ease;
        }
        .process-list li:hover .process-num {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(46, 127, 168, .25);
        }
        .process-content h4 {
            font-size: 1.0625rem;
            margin: .35rem 0 .3rem;
        }
        .process-content p {
            font-size: .9375rem;
            color: var(--text);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 会员权益 ===== */
        .benefit-section {
            background: var(--bg);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 88px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 2.75rem;
        }
        .section-head .section-en {
            display: inline-block;
            font-family: var(--font-num);
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: .18em;
            color: var(--primary);
            margin-bottom: .5rem;
        }
        .section-head h2 {
            font-size: clamp(1.75rem, 2.4vw, 2.25rem);
            font-weight: 700;
            margin-bottom: .75rem;
        }
        .section-head p {
            color: var(--muted);
            font-size: 1rem;
            margin-bottom: 0;
        }
        .benefit-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            height: 100%;
            box-shadow: var(--shadow);
            transition: all .3s ease;
        }
        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 127, 168, .2);
        }
        .benefit-card i {
            font-size: 2.1rem;
            color: var(--primary);
            display: inline-block;
            margin-bottom: 1rem;
        }
        .benefit-card h3 {
            font-size: 1.125rem;
            margin-bottom: .6rem;
        }
        .benefit-card p {
            font-size: .9375rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0 80px;
        }
        .faq-guide .section-en {
            font-family: var(--font-num);
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: .18em;
            color: var(--primary);
            display: inline-block;
            margin-bottom: .5rem;
        }
        .faq-guide h2 {
            font-size: clamp(1.75rem, 2.4vw, 2.25rem);
            font-weight: 700;
            margin-bottom: .8rem;
        }
        .faq-guide p {
            color: var(--muted);
            line-height: 1.7;
        }
        .accordion-item {
            background: var(--card);
            border: 1px solid var(--line) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .3s ease;
            box-shadow: 0 1px 4px rgba(30, 43, 57, .03);
        }
        .accordion-item:hover {
            box-shadow: var(--shadow);
        }
        .accordion-button {
            background: #fff;
            color: var(--ink);
            font-weight: 600;
            font-size: 1rem;
            padding: 1rem 1.2rem;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            display: flex;
            align-items: center;
            gap: .75rem;
        }
        .accordion-button::after {
            display: none;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .accordion-icon {
            color: var(--primary);
            font-size: 1.1rem;
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .accordion-button:not(.collapsed) .accordion-icon {
            transform: rotate(45deg);
            color: var(--primary-dark);
        }
        .accordion-body {
            color: var(--text);
            line-height: 1.75;
            padding: 1rem 1.2rem 1.25rem;
            background: var(--primary-light);
            font-size: .9375rem;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(120deg, rgba(239, 246, 250, .97), rgba(226, 238, 245, .9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(46, 127, 168, .05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(46, 127, 168, .05) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 3.5rem;
            align-items: center;
        }
        .cta-copy .section-en {
            font-family: var(--font-num);
            font-size: .8125rem;
            font-weight: 600;
            letter-spacing: .18em;
            color: var(--primary-dark);
            display: inline-block;
            margin-bottom: .6rem;
        }
        .cta-copy h2 {
            font-size: clamp(1.85rem, 2.6vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--ink);
        }
        .cta-copy p {
            color: var(--text);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
        }
        .cta-points {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
        }
        .cta-points span {
            display: flex;
            align-items: center;
            gap: .35rem;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--primary-dark);
        }
        .cta-points span i {
            color: var(--teal);
            font-size: 1rem;
        }
        .cta-form-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            box-shadow: var(--shadow-hover);
        }
        .cta-form-card .form-label {
            font-size: .875rem;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: .35rem;
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border: 1px solid #c9d8e2;
            border-radius: var(--radius-sm);
            padding: .6rem .9rem;
            font-size: .9375rem;
            color: var(--ink);
            background: #fff;
            min-height: 44px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 127, 168, .2);
            outline: none;
        }
        .cta-form-card .form-control::placeholder {
            color: var(--muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--ink);
            color: #9DB2C0;
            padding: 64px 0 0;
            font-size: .9375rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .site-footer p {
            color: #9DB2C0;
            line-height: 1.75;
        }
        .footer-brand {
            margin-bottom: .75rem;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            padding: .35rem 0;
        }
        .site-footer ul li a {
            color: #9DB2C0;
            transition: color .2s ease;
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: .5rem;
            padding: .35rem 0;
        }
        .footer-contact li i {
            color: var(--accent);
            font-size: 1rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 2rem;
            padding: 1.25rem 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: .8125rem;
            color: rgba(255, 255, 255, .5);
            margin-bottom: 0;
        }

        /* ===== 响应式断点 ===== */
        @media (max-width: 1199.98px) {
            .cta-grid {
                grid-template-columns: 1fr 380px;
                gap: 2.5rem;
            }
        }
        @media (max-width: 991.98px) {
            .category-banner {
                padding: 60px 0 48px;
            }
            .service-section {
                padding: 64px 0 56px;
            }
            .benefit-section {
                padding: 64px 0;
            }
            .faq-section {
                padding: 64px 0 56px;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cta-form-card {
                max-width: 520px;
            }
            .site-navbar .navbar-nav {
                margin-left: 0;
                margin-top: .75rem;
                gap: 0;
            }
            .site-navbar .nav-link {
                padding: .6rem .75rem !important;
            }
            .site-navbar .nav-right {
                margin-top: .75rem;
                margin-bottom: .25rem;
            }
            .navbar-collapse {
                background: var(--card);
                border-radius: var(--radius-md);
                padding: 1rem;
                box-shadow: var(--shadow);
                margin-top: .5rem;
            }
            .navbar-toggler-icon {
                background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,43,57,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner {
                padding: 48px 0 40px;
            }
            .category-banner h1 {
                font-size: 1.75rem;
            }
            .category-banner .banner-desc {
                font-size: 1rem;
            }
            .service-section {
                padding: 48px 0 40px;
            }
            .service-card-media {
                height: 200px;
            }
            .process-panel {
                padding: 1.5rem 1.25rem 1.25rem;
            }
            .benefit-section {
                padding: 48px 0;
            }
            .benefit-card {
                padding: 1.5rem 1.25rem;
            }
            .faq-section {
                padding: 48px 0 40px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-form-card {
                padding: 1.5rem 1.25rem;
            }
            .btn-cta,
            .btn-outline-light,
            .btn-primary {
                width: 100%;
                text-align: center;
            }
            .site-footer {
                padding-top: 48px;
            }
            .site-footer h4 {
                margin-top: .75rem;
            }
        }