/* roulang page: index */
:root {
    --primary: #2E6BFF;
    --primary-dark: #1E5AE8;
    --primary-light: #E8F0FE;
    --accent: #FFB020;
    --accent-hover: #E89E00;
    --success: #12B76A;
    --bg: #F7F9FC;
    --card-bg: #FFFFFF;
    --text: #1F2937;
    --text-secondary: #5B6478;
    --text-muted: #9AA3B2;
    --border: #EDF1F7;
    --border-input: #D4DCE6;
    --footer-bg: #1F2A44;
    --footer-text: #C7D2E8;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow: 0 4px 16px rgba(31,45,80,0.06);
    --shadow-hover: 0 12px 32px rgba(31,45,80,0.12);
    --spacing-section: 72px;
    --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-family);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    height: auto;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover {
    color: var(--primary-dark);
}
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: 12px 24px;
    transition: all .25s ease;
    border: none;
}
.btn:focus-visible {
    outline: 3px solid rgba(46,107,255,0.2);
    outline-offset: 2px;
}
.btn-primary {
    background-color: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(46,107,255,0.25);
}
.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 1px solid #D0D9E8;
}
.btn-outline-primary:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary);
}
.btn-accent {
    background-color: var(--accent);
    color: #1F2937;
    font-weight: 600;
    border: 1px solid var(--accent);
}
.btn-accent:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #1F2937;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,176,32,0.3);
}
.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}
.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}
.container {
    max-width: 1200px;
}
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header.left {
    text-align: left;
}
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 30px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
}
.section-header p {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto;
}
.section-header.left p {
    margin: 8px 0 0;
}
/* ---------- 导航 ---------- */
.main-nav {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(237,241,247,0.9);
    min-height: 64px;
    padding: 8px 0;
    transition: box-shadow .3s ease;
    z-index: 1050;
}
.main-nav.nav-scrolled {
    box-shadow: 0 2px 20px rgba(31,45,80,0.08);
}
.main-nav .navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0;
}
.main-nav .navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    flex-shrink: 0;
}
.main-nav .navbar-nav {
    gap: 4px;
}
.main-nav .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    transition: all .2s ease;
    position: relative;
}
.main-nav .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.main-nav .nav-link.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-light);
}
.main-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.main-nav .nav-actions {
    gap: 12px;
}
.search-form {
    display: flex;
    align-items: center;
    background: #F0F4FA;
    border: 1px solid var(--border-input);
    border-radius: 20px;
    overflow: hidden;
    padding: 4px 4px 4px 14px;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46,107,255,0.15);
}
.search-form input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    color: var(--text);
    width: 150px;
    padding: 4px 0;
}
.search-form input::placeholder {
    color: var(--text-muted);
}
.search-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 16px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    transition: background .2s;
}
.search-form button:hover {
    background: var(--primary-dark);
}
.navbar-toggler {
    border: none;
    padding: 6px;
    font-size: 20px;
    color: var(--text);
    background: transparent;
}
.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}
.navbar-toggler .toggler-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 2px;
    transition: all .3s;
}
/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 120px 0 90px;
    background: url('/assets/images/backpic/back-1.webp') center 30% / cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(120deg, rgba(247,249,252,0.98) 0%, rgba(247,249,252,0.94) 45%, rgba(247,249,252,0.75) 100%);
    z-index: 1;
}
.hero .container {
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(18,183,106,0.1);
    color: #0E9F5B;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--text);
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}
.hero h1 span {
    color: var(--primary);
}
.hero p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 32px;
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}
.hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.hero-trust span {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.hero-trust i {
    color: var(--success);
    font-size: 16px;
}
.hero-visual {
    position: relative;
    padding: 20px;
}
.hero-main-img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(31,45,80,0.15);
    border: 4px solid #fff;
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}
.hero-float-card {
    position: absolute;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-hover);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    border: 1px solid var(--border);
    animation: float-card 3s ease-in-out infinite;
}
.hero-float-card i {
    color: var(--primary);
    font-size: 18px;
}
.hero-float-card.card-1 {
    top: 30px;
    left: -10px;
    animation-delay: 0s;
}
.hero-float-card.card-2 {
    bottom: 40px;
    right: 10px;
    animation-delay: 1.5s;
}
@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
/* ---------- 强 CTA 条 ---------- */
.cta-strip {
    background: var(--primary);
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}
.cta-strip::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}
.cta-strip-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}
.cta-text h2 {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}
.cta-text p {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    margin: 0;
}
.cta-strip .btn-accent {
    white-space: nowrap;
}
/* ---------- 卖点三连 ---------- */
.features {
    padding: var(--spacing-section) 0;
}
.feature-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 36px 30px;
    height: 100%;
    position: relative;
    transition: all .3s ease;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary);
    transition: height .3s ease;
    border-radius: 0 4px 4px 0;
}
.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.feature-card:hover::before {
    height: 100%;
}
.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: all .3s ease;
}
.feature-card:hover .feature-icon {
    background: var(--primary);
    color: #fff;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 18px;
}
.feature-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease;
}
.feature-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}
/* ---------- 场景演示 ---------- */
.scenario {
    padding: var(--spacing-section) 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.step-list {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
}
.step-list li {
    display: flex;
    gap: 18px;
    padding: 14px 0;
    border-left: 2px solid var(--border);
    margin-left: 28px;
    position: relative;
}
.step-list li::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 22px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary);
}
.step-num {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: 8px;
    padding: 4px 10px;
    height: fit-content;
    margin-top: 2px;
    font-feature-settings: "tnum";
}
.step-list h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}
.step-list p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}
.scenario-visual {
    text-align: center;
    position: relative;
}
.scenario-visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    max-height: 480px;
    width: 100%;
    object-fit: cover;
}
.scenario-visual::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: var(--primary-light);
    border-radius: 24px;
    z-index: -1;
}
.scenario-visual::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: rgba(255,176,32,0.2);
    border-radius: 20px;
    z-index: -1;
}
/* ---------- 社会认同 ---------- */
.testimonials {
    padding: var(--spacing-section) 0;
}
.testimonial-logos {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}
.testimonial-logos span {
    font-size: 20px;
    font-weight: 700;
    color: #C0C8D6;
    letter-spacing: 2px;
    white-space: nowrap;
}
.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 30px;
    height: 100%;
    transition: box-shadow .3s ease, transform .3s ease;
}
.testimonial-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.testimonial-card .stars {
    color: var(--accent);
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 12px;
}
.testimonial-card p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}
.testimonial-author .avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}
.testimonial-author strong {
    font-size: 15px;
    color: var(--text);
    display: block;
}
.testimonial-author span {
    font-size: 13px;
    color: var(--text-muted);
}
/* ---------- 最新资讯 ---------- */
.news-section {
    padding: var(--spacing-section) 0;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.news-list {
    max-width: 900px;
    margin: 0 auto;
}
.news-card {
    display: flex;
    gap: 20px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 16px;
    margin-bottom: 16px;
    transition: all .3s ease;
}
.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: var(--primary);
}
.news-card-cover {
    flex-shrink: 0;
    width: 136px;
    height: 92px;
    border-radius: 12px;
    overflow: hidden;
}
.news-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.news-card-content {
    flex: 1;
    min-width: 0;
}
.news-card-content h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}
.news-card:hover .news-card-content h3 {
    color: var(--primary);
}
.news-card-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}
.badge-soft {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 30px;
}
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-input);
    color: var(--text-muted);
}
.empty-state i {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
    color: #C0C8D6;
}
.empty-state p {
    font-size: 15px;
    margin: 0;
}
/* ---------- FAQ ---------- */
.faq-section {
    padding: var(--spacing-section) 0;
}
.accordion {
    max-width: 850px;
    margin: 0 auto;
}
.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.accordion-item:first-of-type {
    border-radius: var(--radius-md) !important;
}
.accordion-header {
    margin: 0;
}
.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    background: var(--card-bg);
    padding: 20px 24px;
    box-shadow: none !important;
    transition: color .2s ease;
}
.accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
}
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232E6BFF'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    transition: transform .3s ease;
}
.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
}
.accordion-button:focus {
    box-shadow: none;
    outline: none;
}
.accordion-button:focus-visible {
    outline: 2px solid rgba(46,107,255,0.3);
    outline-offset: -2px;
}
.accordion-body {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}
/* ---------- 底部 CTA ---------- */
.bottom-cta {
    padding: 56px 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    position: relative;
    text-align: center;
}
.bottom-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(46,107,255,0.92);
    border-radius: 0;
}
.bottom-cta-inner {
    position: relative;
    z-index: 2;
}
.bottom-cta h2 {
    color: #fff;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 12px;
}
.bottom-cta p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    margin-bottom: 28px;
}
/* ---------- 页脚 ---------- */
.main-footer {
    background: var(--footer-bg);
    padding: 64px 0 0;
    color: var(--footer-text);
}
.footer-brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-brand .brand-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
}
.main-footer p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 16px;
    max-width: 320px;
}
.main-footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.main-footer h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.main-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.main-footer ul li {
    margin-bottom: 10px;
}
.main-footer ul li a {
    color: var(--footer-text);
    font-size: 14px;
    transition: color .2s ease, padding-left .2s ease;
}
.main-footer ul li a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--footer-text);
}
.footer-contact li i {
    color: var(--primary);
    width: 16px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    margin-top: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom span {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
/* ---------- 浮动固定CTA ---------- */
.floating-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-radius: 50px;
    padding: 10px 10px 10px 24px;
    box-shadow: 0 12px 40px rgba(31,45,80,0.18);
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border);
    max-width: calc(100% - 32px);
}
.floating-cta p {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    white-space: nowrap;
}
.floating-cta .btn {
    white-space: nowrap;
}
/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
    .hero {
        padding: 80px 0 60px;
        min-height: auto;
    }
    .hero h1 {
        font-size: 34px;
    }
    .main-nav .navbar-collapse {
        background: #fff;
        padding: 16px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-hover);
        margin-top: 12px;
        border: 1px solid var(--border);
    }
    .main-nav .navbar-nav {
        gap: 0;
        margin-bottom: 12px;
    }
    .main-nav .nav-link {
        padding: 12px 16px !important;
        font-size: 16px;
    }
    .main-nav .nav-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .main-nav .nav-actions .btn {
        text-align: center;
    }
    .search-form {
        width: 100%;
        margin-bottom: 10px;
        padding: 6px 6px 6px 14px;
    }
    .search-form input {
        flex: 1;
        width: auto;
    }
    .scenario-visual img {
        max-height: 360px;
    }
    .cta-strip-inner {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 767.98px) {
    :root {
        --spacing-section: 48px;
    }
    .hero h1 {
        font-size: 28px;
    }
    .hero p {
        font-size: 15px;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .news-card {
        flex-direction: row;
        gap: 12px;
        padding: 12px;
    }
    .news-card-cover {
        width: 96px;
        height: 72px;
    }
    .news-card-content h3 {
        font-size: 15px;
        -webkit-line-clamp: 2;
    }
    .news-card-content p {
        display: none;
    }
    .news-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    .hero-float-card {
        display: none;
    }
    .testimonial-logos {
        gap: 24px;
        padding-bottom: 24px;
        margin-bottom: 32px;
    }
    .testimonial-logos span {
        font-size: 16px;
    }
    .step-list li {
        margin-left: 16px;
    }
    .step-list li::before {
        left: -21px;
    }
}
@media (max-width: 575.98px) {
    .hero {
        padding: 60px 0 40px;
    }
    .hero h1 {
        font-size: 24px;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-trust {
        gap: 12px;
    }
    .floating-cta {
        padding: 6px 6px 6px 16px;
        gap: 10px;
    }
    .floating-cta p {
        display: none;
    }
    .floating-cta .btn {
        font-size: 13px;
        padding: 8px 16px;
    }
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .news-list {
        padding: 0 8px;
    }
}

/* roulang page: category1 */
:root {
  --color-bg: #F7F9FC;
  --color-surface: #FFFFFF;
  --color-text: #1F2937;
  --color-text-secondary: #5B6478;
  --color-text-muted: #9AA3B2;
  --color-primary: #2E6BFF;
  --color-primary-dark: #1E54D6;
  --color-primary-light: #E8F0FE;
  --color-accent: #FFB020;
  --color-success: #12B76A;
  --color-border: #EDF1F7;
  --color-border-light: #D4DCE6;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 4px 16px rgba(31,45,80,0.06);
  --shadow-hover: 0 12px 32px rgba(31,45,80,0.12);
  --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.35s ease;
  --footer-bg: #1F2A44;
  --footer-text: #C7D2E8;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container-max);
}

/* ====== 导航 ====== */
.main-nav {
  height: 64px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  z-index: 1030;
}

.main-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text) !important;
  letter-spacing: 0.5px;
  white-space: nowrap;
  margin-right: 24px;
}

.navbar-brand .brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 10px;
  font-size: 1rem;
  flex-shrink: 0;
}

.navbar-nav {
  gap: 6px;
}

.main-nav .nav-link {
  padding: 8px 16px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.main-nav .nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.main-nav .nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
}

.main-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-actions {
  gap: 12px;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 50px;
  padding: 4px 8px 4px 14px;
  transition: var(--transition-fast);
}

.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46,107,255,0.15);
  background: #fff;
}

.search-form input {
  border: none;
  background: transparent;
  font-size: 0.875rem;
  color: var(--color-text);
  width: 140px;
  outline: none;
}

.search-form input::placeholder {
  color: var(--color-text-muted);
}

.search-form button {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  padding: 6px 8px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-form button:hover {
  color: var(--color-primary);
}

.navbar-toggler {
  border: none;
  padding: 6px 8px;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toggler-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 10px 24px;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(46,107,255,0.25);
}

.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #1F2937;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  transition: var(--transition-fast);
}

.btn-accent:hover, .btn-accent:focus {
  background-color: #e69f0c;
  border-color: #e69f0c;
  color: #1F2937;
  box-shadow: 0 4px 16px rgba(255,176,32,0.35);
}

.btn-outline {
  background: #fff;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-weight: 500;
  transition: var(--transition-fast);
}

.btn-outline:hover, .btn-outline:focus {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn:focus-visible, .nav-link:focus-visible, .search-form:focus-within {
  outline: none;
  box-shadow: 0 0 0 3px rgba(46,107,255,0.2);
}

/* ====== 分类页 Hero ====== */
.category-hero {
  padding: 96px 0 72px;
  background: var(--color-surface);
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.92) 40%, rgba(255,255,255,0.75) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.category-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,107,255,0.12);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 22px;
  letter-spacing: 0.5px;
}

.category-hero .hero-badge i {
  font-size: 0.8rem;
}

.category-hero h1 {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.category-hero h1 .highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.category-hero h1 .highlight::after {
  content: '';
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 4px;
  height: 8px;
  background: rgba(255,176,32,0.3);
  z-index: -1;
  border-radius: 4px;
}

.category-hero .hero-subtitle {
  font-size: 1.08rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-tags .tag-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.hero-tags .tag-item i {
  color: var(--color-success);
  font-size: 1rem;
}

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

/* ====== 入口信息卡 ====== */
.entry-cards-section {
  padding: 72px 0;
}

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

.section-header .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-header p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.entry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.entry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  opacity: 0;
  transition: var(--transition-normal);
}

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

.entry-card:hover::before {
  opacity: 1;
}

.entry-card .card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.entry-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.entry-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ====== 访问流程 ====== */
.steps-section {
  padding: 72px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps-wrap {
  display: flex;
  align-items: stretch;
  gap: 24px;
}

.steps-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--color-border);
  position: relative;
}

.step-item:last-child {
  border-bottom: none;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-feature-settings: "tnum";
  transition: var(--transition-fast);
}

.step-item:hover .step-number {
  background: var(--color-primary);
  color: #fff;
}

.step-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.step-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.steps-right {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
  min-height: 380px;
}

.steps-right .cover-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.steps-right .cover-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(31,42,68,0.85), transparent);
  color: #fff;
  padding: 30px 24px 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ====== 图文介绍 ====== */
.feature-split {
  padding: 72px 0;
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}

.split-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.split-image .img-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.split-content .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.split-content h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 16px;
}

.split-content p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.split-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.split-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}

.split-list li i {
  color: var(--color-success);
  margin-top: 5px;
  flex-shrink: 0;
}

/* ====== 安全保障 ====== */
.safety-section {
  padding: 72px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

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

.safety-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.safety-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  background: #fff;
}

.safety-card .safety-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--color-primary);
  font-size: 1.4rem;
}

.safety-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.safety-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ====== FAQ ====== */
.faq-section {
  padding: 72px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: #fff;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(46,107,255,0.08);
}

.faq-item .accordion-button {
  background: transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 20px 24px;
  box-shadow: none;
  border: none;
  transition: var(--transition-fast);
}

.faq-item .accordion-button:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.faq-item .accordion-button:not(.collapsed) {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-bottom: 1px solid var(--color-border);
}

.faq-item .accordion-button::after {
  background-image: none;
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  color: var(--color-text-muted);
  transform: rotate(0deg);
  transition: var(--transition-fast);
  font-size: 0.85rem;
  width: auto;
  height: auto;
}

.faq-item .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-item .accordion-body {
  padding: 20px 24px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ====== CTA ====== */
.cta-section {
  padding: 72px 0;
  background: var(--color-bg);
}

.cta-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
}

.cta-card h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.cta-card p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

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

/* ====== 页脚 ====== */
.main-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 64px 0 0;
  font-size: 0.9rem;
}

.main-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 18px;
}

.main-footer .footer-brand .brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-radius: 10px;
  font-size: 0.9rem;
}

.main-footer p {
  color: #9AA8C4;
  line-height: 1.8;
  font-size: 0.88rem;
  margin-bottom: 0;
}

.main-footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.main-footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.main-footer ul {
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.main-footer ul li a {
  color: var(--footer-text);
  transition: var(--transition-fast);
  font-size: 0.88rem;
}

.main-footer ul li a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #9AA8C4;
}

.footer-contact li i {
  color: var(--color-primary);
  width: 16px;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom {
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: #7C88A3;
}

.footer-bottom a {
  color: #7C88A3;
}

/* ====== 响应式 ====== */
@media (max-width: 991.98px) {
  .main-nav {
    height: auto;
  }

  .main-nav .container {
    flex-wrap: wrap;
    padding: 10px 16px;
    height: auto;
  }

  .navbar-collapse {
    padding: 16px 0;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    margin-top: 12px;
  }

  .navbar-nav {
    gap: 4px;
    margin: 0 !important;
  }

  .nav-actions {
    margin-top: 16px;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .search-form {
    flex: 1;
  }

  .search-form input {
    flex: 1;
  }

  .category-hero {
    padding: 64px 0 48px;
  }

  .category-hero h1 {
    font-size: 2rem;
  }

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

  .steps-wrap {
    flex-direction: column;
  }

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

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

@media (max-width: 767.98px) {
  .category-hero {
    padding: 48px 0 40px;
  }

  .category-hero h1 {
    font-size: 1.6rem;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: 0.98rem !important;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    padding: 10px 20px;
    font-size: 0.88rem;
  }

  .hero-tags {
    gap: 16px;
  }

  .hero-tags .tag-item {
    font-size: 0.8rem;
  }

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

  .entry-card {
    padding: 28px 24px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .split-image img {
    height: 240px;
  }

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

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

  .faq-item .accordion-button {
    font-size: 0.9rem;
    padding: 16px 18px;
  }

  .faq-item .accordion-body {
    font-size: 0.88rem;
    padding: 16px 18px;
  }

  .cta-card {
    padding: 36px 24px;
  }

  .cta-card h2 {
    font-size: 1.4rem;
  }

  .cta-actions .btn {
    width: 100%;
    margin-bottom: 8px;
  }

  .main-footer {
    padding-top: 48px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .category-hero h1 {
    font-size: 1.45rem;
  }

  .category-hero .hero-badge {
    font-size: 0.78rem;
    padding: 4px 12px;
  }

  .steps-right {
    min-height: 260px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .step-body h3 {
    font-size: 0.95rem;
  }

  .step-body p {
    font-size: 0.84rem;
  }
}

/* roulang page: article */
:root {
            --primary: #2E6BFF;
            --primary-dark: #1E56E8;
            --primary-light: #E8F0FE;
            --accent: #FFB020;
            --success: #12B76A;
            --bg-light: #F7F9FC;
            --bg-white: #FFFFFF;
            --text-main: #1F2937;
            --text-sub: #5B6478;
            --text-weak: #9AA3B2;
            --border-color: #E5ECF5;
            --border-light: #EDF1F7;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 16px rgba(31,45,80,.06);
            --shadow-hover: 0 12px 32px rgba(31,45,80,.12);
            --font-family: -apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; }
        .btn {
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
            border: 1px solid transparent;
        }
        .btn:focus-visible { outline: 3px solid rgba(46,107,255,.2); outline-offset: 2px; }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(46,107,255,.25);
        }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-1px); }
        .btn-outline-primary { border-color: #D0D9E8; color: var(--primary); background: #fff; }
        .btn-outline-primary:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
        .btn-accent { background: var(--accent); border-color: var(--accent); color: #1F2937; box-shadow: 0 4px 14px rgba(255,176,32,.3); }
        .btn-accent:hover { background: #F5A600; border-color: #F5A600; color: #1F2937; transform: translateY(-1px); }
        .badge { border-radius: 6px; padding: 6px 14px; font-weight: 500; font-size: 13px; }
        .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 6px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.6;
        }
        /* 导航 */
        .main-nav {
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            min-height: 64px;
            padding: 0;
            box-shadow: 0 2px 12px rgba(31,45,80,.04);
        }
        .main-nav .container { position: relative; }
        .main-nav .navbar-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
        }
        .main-nav .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            box-shadow: 0 4px 10px rgba(46,107,255,.3);
        }
        .navbar-nav .nav-link {
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px !important;
            border-radius: var(--radius-sm);
            transition: all .2s ease;
            margin: 0 2px;
        }
        .navbar-nav .nav-link:hover { color: var(--primary); background: var(--primary-light); }
        .navbar-nav .nav-link.active { color: var(--primary); font-weight: 600; }
        .navbar-toggler { border: none; padding: 8px 10px; }
        .toggler-bar { display: block; width: 22px; height: 2px; background: var(--text-main); margin: 5px 0; border-radius: 2px; transition: all .25s ease; }
        .search-form { display: flex; align-items: center; }
        .search-form input {
            border: 1px solid #D4DCE6;
            border-radius: var(--radius-sm);
            padding: 8px 14px;
            font-size: 14px;
            width: 180px;
            background: var(--bg-white);
            transition: all .25s ease;
        }
        .search-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(46,107,255,.15); outline: none; }
        .search-form button { background: var(--primary); border: none; color: #fff; border-radius: var(--radius-sm); padding: 8px 12px; margin-left: 6px; transition: background .2s; }
        .search-form button:hover { background: var(--primary-dark); }
        .nav-actions .btn-sm { padding: 8px 20px; font-size: 14px; }
        /* 文章Hero */
        .article-hero {
            background: linear-gradient(135deg,#EFF4FF 0%,#F7F9FC 60%,#FAFBFD 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(46,107,255,.04);
            pointer-events: none;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a { color: var(--text-sub); text-decoration: none; }
        .breadcrumb-nav a:hover { color: var(--primary); }
        .breadcrumb-nav .separator { color: #C7D2E8; }
        .breadcrumb-nav .current { color: var(--text-weak); }
        .article-title {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 20px 0;
            letter-spacing: .5px;
            max-width: 900px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-sub);
            box-shadow: 0 2px 6px rgba(31,45,80,.03);
        }
        .meta-tag i { color: var(--primary); font-size: 12px; }
        /* 文章正文区 */
        .article-body-section { padding: 48px 0 64px; }
        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            font-size: 17px;
            line-height: 2;
            color: var(--text-main);
        }
        .article-content p { margin: 0 0 24px; }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 36px 0 18px;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            color: var(--text-main);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 28px 0 14px;
            color: var(--text-main);
        }
        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            margin: 24px 0 12px;
            color: var(--text-sub);
        }
        .article-content ul,
        .article-content ol { margin: 0 0 24px; padding-left: 24px; }
        .article-content li { margin-bottom: 8px; }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #FFF9EB;
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            color: #6B6250;
            font-size: 15px;
        }
        .article-content img {
            border-radius: 12px;
            border: 1px solid var(--border-light);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content figure { margin: 28px 0; }
        .article-content figcaption { text-align: center; font-size: 13px; color: var(--text-weak); margin-top: 10px; }
        .article-content a { text-decoration: underline; text-underline-offset: 3px; }
        .article-content a:hover { color: var(--primary-dark); }
        .article-content strong { color: var(--text-main); font-weight: 600; }
        .article-content hr { border: none; border-top: 1px solid var(--border-light); margin: 36px 0; }
        .article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
        .article-content table th,
        .article-content table td { border: 1px solid var(--border-light); padding: 12px 16px; text-align: left; }
        .article-content table th { background: var(--bg-light); font-weight: 600; }
        /* 分享 */
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-share span { font-size: 14px; color: var(--text-sub); }
        .article-share a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-sub);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: all .2s;
            border: 1px solid var(--border-light);
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
        /* 相关推荐 */
        .related-section { padding: 56px 0 24px; }
        .section-title {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 28px;
        }
        .section-title h2 { font-size: 24px; font-weight: 700; color: var(--text-main); margin: 0; }
        .section-title .title-line { flex: 1; max-width: 60px; height: 3px; border-radius: 2px; background: var(--primary); }
        .related-card {
            display: block;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all .3s ease;
            box-shadow: 0 2px 8px rgba(31,45,80,.03);
            height: 100%;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .related-card-img { height: 160px; overflow: hidden; background: var(--bg-light); }
        .related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
        .related-card:hover .related-card-img img { transform: scale(1.05); }
        .related-card-body { padding: 22px; }
        .related-card-body .tag { margin-bottom: 12px; }
        .related-card-body h3 { font-size: 17px; font-weight: 600; color: var(--text-main); margin: 12px 0 8px; line-height: 1.5; }
        .related-card-body p { font-size: 14px; color: var(--text-sub); margin: 0; line-height: 1.7; }
        .back-link { margin-top: 40px; text-align: center; }
        .back-link .btn { padding: 10px 28px; font-size: 14px; border-radius: 8px; }
        /* 未找到 */
        .not-found-box {
            text-align: center;
            padding: 60px 30px;
            font-size: 16px;
            color: var(--text-sub);
        }
        .not-found-box i { font-size: 44px; color: var(--text-weak); margin-bottom: 16px; display: block; }
        .not-found-box a { margin-top: 18px; }
        /* 页脚 */
        .main-footer {
            background: #1F2A44;
            color: #C7D2E8;
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .main-footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .main-footer .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .main-footer p { font-size: 15px; line-height: 1.8; color: #A7B3CC; margin-bottom: 16px; }
        .main-footer h4 { font-size: 16px; color: #fff; font-weight: 600; margin-bottom: 18px; }
        .main-footer ul { list-style: none; padding: 0; margin: 0; }
        .main-footer ul li { margin-bottom: 10px; }
        .main-footer ul li a { color: #C7D2E8; font-size: 14px; text-decoration: none; transition: all .2s; }
        .main-footer ul li a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
        .footer-contact li { display: flex; align-items: center; gap: 8px; font-size: 14px; margin-bottom: 12px; }
        .footer-contact i { color: var(--primary); width: 16px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            padding: 20px 0;
            margin-top: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            font-size: 13px;
            color: #8C9BBA;
            flex-wrap: wrap;
        }
        /* 响应式 */
        @media (max-width: 1199.98px) {
            .article-content { padding: 40px 36px; }
        }
        @media (max-width: 991.98px) {
            .main-nav .navbar-collapse {
                background: var(--bg-white);
                border-radius: 16px;
                box-shadow: var(--shadow-hover);
                padding: 16px 20px;
                margin-top: 8px;
            }
            .navbar-nav .nav-link { padding: 12px 14px !important; }
            .nav-actions { margin-top: 12px; width: 100%; }
            .article-title { font-size: 28px; }
            .article-body-section { padding: 32px 0 48px; }
            .article-content { padding: 32px 24px; }
        }
        @media (max-width: 767.98px) {
            .article-hero { padding: 36px 0 28px; }
            .article-title { font-size: 24px; }
            .meta-tag { font-size: 12px; padding: 5px 12px; }
            .article-content { padding: 24px 16px; font-size: 16px; line-height: 1.9; }
            .article-content h2 { font-size: 21px; }
            .article-content blockquote { padding: 12px 16px; font-size: 14px; }
            .related-card-img { height: 130px; }
            .footer-bottom { flex-direction: column; gap: 8px; }
            .section-title h2 { font-size: 20px; }
        }
        @media (max-width: 575.98px) {
            .breadcrumb-nav { font-size: 13px; }
            .article-meta { gap: 6px; }
            .meta-tag { padding: 4px 10px; }
            .article-body-section { padding: 24px 0 40px; }
            .article-content { border-radius: 16px; }
            .related-card-body h3 { font-size: 16px; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #2E6BFF;
            --color-primary-dark: #1F56D6;
            --color-primary-light: #E8F0FE;
            --color-secondary: #FFB020;
            --color-success: #12B76A;
            --color-bg: #F7F9FC;
            --color-card-bg: #FFFFFF;
            --color-text: #1F2937;
            --color-text-secondary: #5B6478;
            --color-text-muted: #9AA3B2;
            --color-border: #E3EAF3;
            --color-footer: #1F2A44;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 16px rgba(31, 45, 80, 0.06);
            --shadow-card-hover: 0 12px 32px rgba(31, 45, 80, 0.12);
            --section-space: 72px;
            --section-space-mobile: 40px;
            --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-family);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            font-feature-settings: "tnum";
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-top: 0;
        }

        p {
            margin-bottom: 16px;
            color: var(--color-text-secondary);
        }

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

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

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

        ul,
        ol {
            padding-left: 20px;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== 通用区块 ===== */
        .section-block {
            padding: var(--section-space) 0;
        }

        .section-head {
            margin-bottom: 46px;
        }

        .section-head h2 {
            font-size: 30px;
            margin: 10px 0 12px;
        }

        .section-head p {
            font-size: 15px;
            max-width: 660px;
            margin-bottom: 0;
        }

        .section-head.text-center h2 {
            margin-left: auto;
            margin-right: auto;
        }

        .section-head.text-center p {
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .4px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 5px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
        }

        /* ===== 按钮 ===== */
        .btn {
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 12px 26px;
            font-size: 15px;
            transition: background .25s, color .25s, box-shadow .25s, transform .2s, border-color .25s;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(46, 107, 255, .2);
            box-shadow: none;
        }

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

        .btn-primary:hover,
        .btn-primary:active {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(46, 107, 255, .25);
        }

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

        .btn-outline-primary:hover,
        .btn-outline-primary:active {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: #1F2937;
        }

        .btn-accent:hover,
        .btn-accent:active {
            background: #E89E0C;
            border-color: #E89E0C;
            color: #1F2937;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(255, 176, 32, .35);
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ===== 导航 Header ===== */
        .main-nav {
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            min-height: 64px;
            padding: 8px 0;
            box-shadow: 0 2px 12px rgba(31, 45, 80, .04);
            z-index: 1080;
        }

        .main-nav .navbar-brand {
            font-weight: 700;
            font-size: 18px;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: .3px;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
        }

        .main-nav .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color .25s, background .25s;
            white-space: nowrap;
        }

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

        .main-nav .navbar-nav .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .main-nav .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .search-form {
            position: relative;
            margin-right: 8px;
        }

        .search-form input {
            width: 190px;
            height: 36px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0 36px 0 14px;
            font-size: 13px;
            background: var(--color-bg);
            color: var(--color-text);
            outline: none;
            transition: border-color .25s, box-shadow .25s, width .3s;
        }

        .search-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, .15);
            width: 220px;
            background: #fff;
        }

        .search-form input::placeholder {
            color: var(--color-text-muted);
        }

        .search-form button {
            position: absolute;
            right: 2px;
            top: 2px;
            width: 32px;
            height: 32px;
            border: none;
            background: transparent;
            color: var(--color-text-secondary);
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: color .25s;
        }

        .search-form button:hover {
            color: var(--color-primary);
        }

        .navbar-toggler {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            background: #fff;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 107, 255, .15);
            border-color: var(--color-primary);
        }

        .toggler-bar {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-text);
            margin: 4px 2px;
            border-radius: 2px;
            transition: transform .3s;
        }

        /* ===== Hero 分类首屏 ===== */
        .cat-hero {
            position: relative;
            padding: 88px 0 84px;
            background: linear-gradient(135deg, rgba(247, 249, 252, .96) 0%, rgba(232, 240, 254, .88) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-wrap {
            margin-bottom: 44px;
        }

        .breadcrumb-wrap .breadcrumb {
            margin-bottom: 0;
            font-size: 13px;
        }

        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }

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

        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--color-text);
            font-weight: 500;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            content: "/";
            color: var(--color-text-muted);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            padding: 7px 16px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-card);
        }

        .hero-badge i {
            color: var(--color-secondary);
        }

        .cat-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .cat-hero .hero-lead {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 14px;
        }

        .tag-item i {
            color: var(--color-success);
            font-size: 13px;
        }

        .hero-visual {
            position: relative;
            padding: 18px;
        }

        .hero-visual img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
        }

        .float-card {
            position: absolute;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card-hover);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 220px;
            border: 1px solid var(--color-border);
        }

        .float-card i {
            font-size: 22px;
            color: var(--color-primary);
        }

        .float-card strong {
            font-size: 13px;
            display: block;
            color: var(--color-text);
            line-height: 1.3;
        }

        .float-card span {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .float-card-1 {
            top: 8%;
            left: -16px;
        }

        .float-card-2 {
            bottom: 10%;
            right: -4px;
        }

        /* ===== 数据条 ===== */
        .stats-strip {
            padding: 0;
            margin-top: -32px;
            position: relative;
            z-index: 5;
        }

        .stats-row {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 28px 20px;
            border: 1px solid var(--color-border);
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--color-border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            display: block;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        /* ===== 特征卡片三连 ===== */
        .feature-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 30px 26px;
            height: 100%;
            position: relative;
            transition: transform .3s, box-shadow .3s;
        }

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

        .feature-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 30px;
            bottom: 30px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity .3s;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.75;
        }

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

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

        /* ===== 图文混排 ===== */
        .media-section .section-media-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 28px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--color-text-secondary);
            padding: 8px 0;
        }

        .check-list li i {
            color: var(--color-success);
            font-size: 16px;
            margin-top: 3px;
        }

        /* ===== 步骤流程 ===== */
        .process-section {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .step-item {
            text-align: center;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            height: 100%;
            transition: transform .3s, box-shadow .3s;
            position: relative;
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 16px;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 13px;
            margin-bottom: 0;
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            transition: transform .3s, box-shadow .3s;
        }

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

        .news-card-link {
            display: block;
            text-decoration: none;
            color: inherit;
            height: 100%;
        }

        .news-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .news-badge {
            position: absolute;
            left: 14px;
            top: 14px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            box-shadow: 0 4px 12px rgba(46, 107, 255, .3);
        }

        .news-body {
            padding: 20px 22px 22px;
        }

        .news-body h3 {
            font-size: 16px;
            margin-bottom: 10px;
            line-height: 1.5;
            transition: color .25s;
        }

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

        .news-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 14px;
            line-height: 1.7;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .news-more {
            color: var(--color-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== CTA 面板 ===== */
        .cta-panel {
            padding: 48px 0;
        }

        .cta-inner {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 26px;
            margin-bottom: 8px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .9);
            font-size: 14px;
            margin-bottom: 0;
        }

        .cta-inner .btn-accent {
            background: var(--color-secondary);
            border-color: var(--color-secondary);
            color: #1F2937;
            font-weight: 700;
        }

        .cta-inner .btn-accent:hover {
            background: #F6A600;
            border-color: #F6A600;
            color: #1F2937;
            transform: translateY(-1px);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--color-border);
        }

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

        .accordion-item {
            background: #fff;
            border: 1px solid var(--color-border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(31, 45, 80, .03);
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: #fff;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            transition: color .25s, background .25s;
        }

        .accordion-button:hover {
            color: var(--color-primary);
            background: #fafbff;
        }

        .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: var(--color-primary-light);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(46, 107, 255, .15);
            outline: none;
        }

        .accordion-button::after {
            background-size: 18px;
            transition: transform .3s;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-body {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            padding: 8px 24px 24px;
            border-top: 1px solid var(--color-border);
        }

        /* ===== 页脚 ===== */
        .main-footer {
            background: var(--color-footer);
            color: #C7D2E8;
            padding: 60px 0 0;
            font-size: 14px;
        }

        .main-footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .main-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .main-footer p {
            color: #C7D2E8;
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 0;
        }

        .main-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .main-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .main-footer ul li a {
            color: #C7D2E8;
            text-decoration: none;
            transition: color .25s;
        }

        .main-footer ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            color: #C7D2E8;
        }

        .footer-contact li i {
            color: var(--color-secondary);
            margin-top: 3px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(199, 210, 232, .12);
            margin-top: 46px;
            padding: 20px 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8F9DBE;
        }

        .footer-bottom span {
            display: inline-block;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .section-block {
                padding: 48px 0;
            }

            .cat-hero {
                padding: 64px 0 72px;
            }

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

            .hero-visual {
                margin-top: 20px;
                padding: 8px;
            }

            .float-card-1 {
                left: 0;
            }

            .float-card-2 {
                right: 0;
            }

            .main-nav .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-card-hover);
                padding: 20px;
                margin-top: 10px;
                border: 1px solid var(--color-border);
            }

            .main-nav .navbar-nav .nav-link {
                padding: 12px 16px;
            }

            .main-nav .navbar-nav .nav-link.active::after {
                display: none;
            }

            .main-nav .nav-actions {
                margin-top: 12px;
                padding-top: 14px;
                border-top: 1px solid var(--color-border);
                flex-wrap: wrap;
                gap: 10px;
            }

            .search-form {
                margin-left: 0;
            }

            .search-form input,
            .search-form input:focus {
                width: 100%;
            }

            .stat-item {
                border-bottom: 1px solid var(--color-border);
                border-right: none;
            }

            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }

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

            .cta-inner .text-lg-end {
                text-align: left !important;
                margin-top: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .section-head h2 {
                font-size: 24px;
            }

            .cat-hero {
                padding: 48px 0 56px;
            }

            .cat-hero h1 {
                font-size: 26px;
            }

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

            .float-card {
                padding: 10px 12px;
                max-width: 180px;
            }

            .float-card i {
                font-size: 18px;
            }

            .float-card strong {
                font-size: 12px;
            }

            .float-card span {
                font-size: 11px;
            }

            .stats-row {
                padding: 20px 12px;
            }

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

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

            .step-item {
                padding: 20px 14px;
            }

            .news-body {
                padding: 16px 18px 18px;
            }

            .cta-inner {
                padding: 28px 20px;
                text-align: center;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        @media (max-width: 575.98px) {
            .stat-item {
                border-right: none;
            }

            .stat-item:nth-child(3) {
                border-bottom: 1px solid var(--color-border);
            }

            .float-card {
                display: none;
            }

            .hero-tags .tag-item {
                font-size: 12px;
                padding: 5px 10px;
            }

            .news-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
        }