/* roulang page: index */
:root {
    --jbo-primary: #1D5C4F;
    --jbo-primary-dark: #14463B;
    --jbo-accent: #F5821F;
    --jbo-accent-dark: #E0710C;
    --jbo-bg: #F6F4EF;
    --jbo-white: #FFFFFF;
    --jbo-dark: #1E1E1C;
    --jbo-text: #33332F;
    --jbo-muted: #6E6E68;
    --jbo-border: #E8EFEA;
    --jbo-success-bg: #E8EFEA;
    --jbo-radius-card: 14px;
    --jbo-radius-btn: 10px;
    --jbo-radius-tag: 6px;
    --jbo-shadow-sm: 0 2px 8px rgba(29, 92, 79, 0.06);
    --jbo-shadow-hover: 0 8px 24px rgba(29, 92, 79, 0.12);
    --jbo-transition: all .25s ease;
    --jbo-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (max-width: 768px) { html { scroll-behavior: auto; } }
body {
    font-family: var(--jbo-font);
    font-size: 16px;
    line-height: 1.8;
    color: var(--jbo-text);
    background: var(--jbo-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--jbo-primary); text-decoration: none; transition: var(--jbo-transition); }
a:hover { color: var(--jbo-accent); }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
.container { max-width: 1200px; }
:focus-visible {
    outline: 2px solid var(--jbo-accent);
    outline-offset: 2px;
    border-radius: 4px;
}
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--jbo-dark); line-height: 1.35; }
h1 { font-size: 44px; }
h2 { font-size: 30px; }
h3 { font-size: 22px; }
@media (max-width: 992px) {
    h1 { font-size: 34px; }
    h2 { font-size: 26px; }
}
@media (max-width: 576px) {
    h1 { font-size: 28px; }
    h2 { font-size: 23px; }
}

/* 按钮体系 */
.btn-jbo-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 32px;
    background: var(--jbo-accent);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--jbo-radius-btn);
    transition: var(--jbo-transition);
    box-shadow: 0 2px 8px rgba(245, 130, 31, 0.2);
    border: none;
}
.btn-jbo-primary:hover {
    background: var(--jbo-accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(245, 130, 31, 0.28);
}
.btn-jbo-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 6px rgba(245, 130, 31, 0.18);
}
.btn-jbo-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 32px;
    background: transparent;
    color: var(--jbo-primary);
    font-size: 16px;
    font-weight: 500;
    border: 2px solid var(--jbo-primary);
    border-radius: var(--jbo-radius-btn);
    transition: var(--jbo-transition);
}
.btn-jbo-outline:hover {
    background: var(--jbo-success-bg);
    color: var(--jbo-primary-dark);
    border-color: var(--jbo-primary-dark);
    transform: translateY(-2px);
}
.btn-jbo-outline-light {
    border-color: rgba(255,255,255,0.85);
    color: #fff;
}
.btn-jbo-outline-light:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-color: #fff;
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--jbo-primary);
    font-size: 15px;
    font-weight: 500;
    transition: var(--jbo-transition);
    border-bottom: 1px solid transparent;
}
.text-link:hover {
    color: var(--jbo-accent);
    border-bottom-color: var(--jbo-accent);
}

/* Header 导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 72px;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    position: relative;
}
.nav-left { margin-right: auto; }
.nav-right { margin-left: auto; }
.nav-link {
    display: inline-block;
    padding: 8px 6px;
    margin: 0 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--jbo-dark);
    border-bottom: 2px solid transparent;
    transition: var(--jbo-transition);
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--jbo-primary);
    border-bottom-color: var(--jbo-accent);
}
.nav-link.active {
    color: var(--jbo-accent);
    border-bottom-color: var(--jbo-accent);
}
.brand-logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--jbo-dark);
    letter-spacing: 0.5px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--jbo-transition);
    position: relative;
    z-index: 2;
}
.brand-logo::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 28px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="none"><path d="M16 2l11 5v9c0 6.5-4.5 12.5-11 14C9.5 28.5 5 22 5 16V7l11-5z" fill="%231D5C4F"/><path d="M12 16l3 3 6-7" stroke="%23F5821F" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" fill="none"/></svg>') center/contain no-repeat;
}
.brand-logo:hover { color: var(--jbo-primary); }
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: transparent;
    transition: var(--jbo-transition);
}
.nav-toggle:hover { background: var(--jbo-success-bg); }
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--jbo-dark);
    border-radius: 2px;
    transition: var(--jbo-transition);
}
.mobile-menu {
    display: none;
    flex-direction: column;
    background: var(--jbo-bg);
    border-top: 1px solid var(--jbo-border);
    padding: 12px 20px 20px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.06);
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    z-index: 999;
}
.mobile-menu.show { display: flex; }
.mobile-menu a {
    padding: 12px 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--jbo-dark);
    border-bottom: 1px solid var(--jbo-border);
    transition: var(--jbo-transition);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--jbo-accent); padding-left: 14px; }

/* Hero */
.hero-section {
    position: relative;
    min-height: 84vh;
    display: flex;
    align-items: center;
    background: linear-gradient(72deg, rgba(29,92,79,0.72) 0%, rgba(30,30,28,0.38) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    padding: 80px 0 60px;
}
.hero-content { color: #fff; }
.hero-content h1 {
    color: #fff;
    font-size: 44px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    max-width: 720px;
}
.hero-sub {
    font-size: 19px;
    line-height: 1.8;
    color: rgba(255,255,255,0.88);
    max-width: 620px;
    margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
    position: absolute;
    bottom: 36px;
    left: 0;
    right: 0;
    display: flex;
    gap: 16px;
    padding: 0 12px;
}
.hero-stat {
    background: rgba(255,255,255,0.9);
    border-radius: 12px;
    padding: 14px 22px;
    display: flex;
    flex-direction: column;
    min-width: 150px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    backdrop-filter: blur(4px);
}
.hero-stat .stat-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--jbo-accent);
    font-feature-settings: "tnum";
    line-height: 1.3;
}
.hero-stat .stat-label {
    font-size: 13px;
    color: var(--jbo-muted);
    line-height: 1.4;
}
@media (max-width: 992px) {
    .hero-section { min-height: 78vh; padding-bottom: 120px; }
    .hero-content h1 { font-size: 34px; }
    .hero-stats { position: static; margin-top: 48px; flex-wrap: wrap; }
}
@media (max-width: 768px) {
    .hero-section { padding-bottom: 60px; }
    .hero-stats { gap: 10px; }
    .hero-stat { min-width: calc(50% - 10px); padding: 12px 16px; }
}
@media (max-width: 576px) {
    .hero-content h1 { font-size: 28px; }
    .hero-sub { font-size: 17px; }
    .hero-actions .btn-jbo-primary, .hero-actions .btn-jbo-outline { width: 100%; }
}

/* 通用 section */
.section { padding: 84px 0; }
.section-head { margin-bottom: 44px; text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-head p { color: var(--jbo-muted); font-size: 16px; margin-top: 12px; }
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255,255,255,0.75); }

/* 品牌故事 */
.story-section { background: var(--jbo-white); }
.story-row { gap: 0; }
.story-image-wrap { position: relative; padding-right: 24px; }
.story-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--jbo-shadow-sm);
    height: 100%;
    min-height: 360px;
}
.story-image img { width: 100%; height: 100%; object-fit: cover; }
.story-data-card {
    position: absolute;
    left: 16px;
    bottom: 20px;
    background: var(--jbo-primary);
    color: #fff;
    border-radius: 12px;
    padding: 16px 24px;
    display: flex;
    gap: 32px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.18);
}
.story-data-card .data-item {
    display: flex;
    flex-direction: column;
}
.story-data-card strong {
    font-size: 22px;
    color: var(--jbo-accent);
    font-feature-settings: "tnum";
    line-height: 1.3;
}
.story-data-card span {
    font-size: 13px;
    color: rgba(255,255,255,0.85);
}
.story-text h2 { margin-bottom: 20px; }
.story-text p { margin-bottom: 16px; color: var(--jbo-text); font-size: 16px; }
.story-points { margin-top: 24px; }
.story-points li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 15px;
    color: var(--jbo-dark);
    border-bottom: 1px dashed var(--jbo-border);
}
.story-points li:last-child { border-bottom: none; }
.story-points li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--jbo-accent);
}
@media (max-width: 992px) {
    .story-image-wrap { padding-right: 0; margin-bottom: 32px; }
}

/* 核心服务 */
.services-section { background: var(--jbo-bg); }
.services-row { align-items: center; }
.services-list { padding-right: 40px; }
.service-item {
    padding: 26px 0;
    border-bottom: 1px solid var(--jbo-border);
    position: relative;
    padding-left: 76px;
    transition: var(--jbo-transition);
}
.service-item:hover { padding-left: 86px; }
.service-item:last-child { border-bottom: none; }
.service-num {
    position: absolute;
    left: 0;
    top: 28px;
    font-size: 28px;
    font-weight: 700;
    color: var(--jbo-accent);
    font-feature-settings: "tnum";
    line-height: 1;
    width: 56px;
    text-align: center;
}
.service-item h3 { font-size: 21px; margin-bottom: 8px; }
.service-item p { font-size: 15px; color: var(--jbo-muted); margin-bottom: 10px; max-width: 460px; }
.service-link { font-size: 14px; }
.services-visual { position: relative; }
.services-image-card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--jbo-shadow-hover);
    background: var(--jbo-white);
}
.services-image-card img { width: 100%; height: auto; min-height: 320px; object-fit: cover; }
.image-caption {
    background: var(--jbo-primary);
    color: #fff;
    font-size: 14px;
    padding: 12px 20px;
    text-align: center;
    border-radius: 0 0 16px 16px;
}
@media (max-width: 992px) {
    .services-list { padding-right: 0; }
    .services-visual { margin-top: 32px; }
}

/* 产品演示 */
.demo-section { background: var(--jbo-success-bg); }
.demo-wrap {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    gap: 28px;
    align-items: center;
}
.demo-side ul { display: flex; flex-direction: column; gap: 18px; }
.demo-side.left ul { text-align: right; }
.demo-side li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14px;
    color: var(--jbo-text);
    line-height: 1.6;
}
.demo-side.left li {
    flex-direction: row-reverse;
    text-align: right;
}
.demo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--jbo-primary);
    color: var(--jbo-accent);
    font-size: 15px;
    font-weight: 700;
    flex-shrink: 0;
}
.demo-window {
    background: var(--jbo-white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(29,92,79,0.08);
    overflow: hidden;
}
.window-dots {
    display: flex;
    gap: 6px;
    background: var(--jbo-bg);
    padding: 12px 16px;
    border-bottom: 1px solid var(--jbo-border);
}
.window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #E06B5E;
}
.window-dots span:nth-child(2) { background: #F5B84C; }
.window-dots span:nth-child(3) { background: #61B887; }
.window-image { padding: 12px; }
.window-image img { width: 100%; border-radius: 10px; object-fit: cover; height: 340px; }
@media (max-width: 992px) {
    .demo-wrap { grid-template-columns: 1fr; }
    .demo-side.left ul { text-align: left; }
    .demo-side li, .demo-side.left li {
        flex-direction: row;
        text-align: left;
    }
    .demo-window { order: -1; }
    .window-image img { height: 260px; }
}

/* 用户评价 */
.testimonials-section { background: var(--jbo-primary); }
.testimonial-scroll {
    overflow-x: auto;
    padding: 10px 8% 20px;
    scrollbar-width: none;
}
.testimonial-scroll::-webkit-scrollbar { display: none; }
.testimonial-track { display: flex; gap: 20px; width: max-content; }
.testimonial-card {
    width: 320px;
    background: rgba(255,255,255,0.92);
    border-radius: 14px;
    padding: 26px 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: var(--jbo-transition);
    flex-shrink: 0;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.16);
}
.t-stars { color: var(--jbo-accent); font-size: 16px; letter-spacing: 2px; margin-bottom: 10px; }
.t-quote {
    font-family: "KaiTi", "STKaiti", "SimSun", serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--jbo-text);
    margin-bottom: 14px;
}
.t-author {
    font-size: 14px;
    color: var(--jbo-muted);
}
@media (max-width: 768px) {
    .testimonial-card { width: 260px; padding: 20px 16px; }
}

/* 资费方案 */
.pricing-section { background: var(--jbo-bg); }
.pricing-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
    align-items: stretch;
}
.pricing-steps {
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 8px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.pricing-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 20px;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--jbo-border);
}
.pricing-row:last-child { border-bottom: none; }
.pricing-row h3 { font-size: 18px; margin-bottom: 4px; }
.pricing-row p { font-size: 14px; color: var(--jbo-muted); }
.pricing-row .price {
    font-size: 18px;
    font-weight: 700;
    color: var(--jbo-dark);
    font-feature-settings: "tnum";
    white-space: nowrap;
}
.pricing-row .text-link { margin-left: 12px; }
.pricing-focus {
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    border-top: 3px solid var(--jbo-accent);
    box-shadow: var(--jbo-shadow-hover);
    padding: 34px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
}
.popular-badge {
    position: absolute;
    top: -14px;
    right: 24px;
    background: var(--jbo-accent);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--jbo-radius-tag);
    box-shadow: 0 4px 10px rgba(245,130,31,0.3);
}
.pricing-focus h3 { font-size: 22px; margin-bottom: 8px; }
.pricing-focus p { font-size: 14px; color: var(--jbo-muted); margin-bottom: 18px; }
.pricing-focus ul { margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
.pricing-focus li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--jbo-text);
}
.pricing-focus li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--jbo-accent);
    flex-shrink: 0;
}
.price-note {
    margin-top: auto;
    font-size: 13px;
    color: var(--jbo-muted);
    border-top: 1px dashed var(--jbo-border);
    padding-top: 16px;
}
@media (max-width: 992px) {
    .pricing-layout { grid-template-columns: 1fr; }
    .pricing-steps { padding: 8px 20px; }
    .pricing-row { grid-template-columns: 1fr; gap: 8px; text-align: left; }
    .pricing-row .price { font-size: 22px; }
    .pricing-row .text-link { margin-left: 0; margin-top: 4px; }
    .pricing-focus { margin-top: 16px; }
}

/* FAQ */
.faq-section { background: var(--jbo-white); }
.faq-head-col { margin-bottom: 32px; }
.faq-head-sticky {
    position: sticky;
    top: 100px;
    padding-right: 24px;
}
.faq-head-sticky h2 { margin-bottom: 12px; }
.faq-head-sticky p { color: var(--jbo-muted); margin-bottom: 20px; font-size: 15px; }
.faq-accordion { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    border: 1px solid var(--jbo-border);
    overflow: hidden;
}
.accordion-header { margin: 0; }
.accordion-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 18px 22px;
    font-size: 16px;
    font-weight: 600;
    color: var(--jbo-dark);
    background: transparent;
    text-align: left;
    border: none;
    transition: var(--jbo-transition);
    position: relative;
}
.accordion-button:hover { color: var(--jbo-primary); }
.accordion-button:not(.collapsed) {
    color: var(--jbo-accent);
    background: transparent;
    box-shadow: none;
}
.accordion-button::after {
    display: none;
}
.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--jbo-success-bg);
    color: var(--jbo-primary);
    font-size: 18px;
    font-weight: 400;
    flex-shrink: 0;
    transition: var(--jbo-transition);
    line-height: 1;
}
.accordion-button:not(.collapsed) .faq-icon {
    transform: rotate(45deg);
    background: var(--jbo-accent);
    color: #fff;
}
.accordion-body {
    padding: 4px 22px 20px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--jbo-muted);
    border-top: 1px dashed var(--jbo-border);
    background: var(--jbo-bg);
    border-radius: 0 0 var(--jbo-radius-card) var(--jbo-radius-card);
}
@media (max-width: 992px) {
    .faq-head-sticky { position: static; padding-right: 0; }
}

/* 最新资讯 */
.news-section { background: var(--jbo-bg); }
.news-list-wrap { max-width: 860px; margin: 0 auto; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
    display: flex;
    gap: 20px;
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 16px;
    transition: var(--jbo-transition);
    align-items: stretch;
}
.news-item:hover {
    box-shadow: var(--jbo-shadow-hover);
    transform: translateY(-3px);
}
.news-thumb {
    width: 160px;
    min-height: 120px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--jbo-success-bg);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; display: flex; flex-direction: column; padding: 4px 4px; }
.news-body h3 {
    font-size: 18px;
    color: var(--jbo-dark);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    transition: var(--jbo-transition);
}
.news-item:hover .news-body h3 { color: var(--jbo-primary); }
.news-excerpt {
    font-size: 15px;
    color: var(--jbo-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: auto;
}
.news-tag {
    background: #FDEEE2;
    color: var(--jbo-accent);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 12px;
    border-radius: 6px;
    line-height: 1.5;
}
.news-time {
    font-size: 14px;
    color: var(--jbo-muted);
    font-feature-settings: "tnum";
}
.news-footer {
    text-align: center;
    margin-top: 32px;
}
.news-empty {
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 60px 24px;
    text-align: center;
    color: var(--jbo-muted);
    font-size: 16px;
}
@media (max-width: 768px) {
    .news-item { flex-direction: column; }
    .news-thumb { width: 100%; height: 160px; }
}

/* 页脚 */
.site-footer {
    background: var(--jbo-dark);
    color: rgba(255,255,255,0.82);
    padding: 48px 0 24px;
}
.footer-top-line {
    width: 64px;
    height: 2px;
    background: var(--jbo-accent);
    margin: 0 auto 36px;
}
.site-footer h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.3px;
}
.site-footer p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    margin-bottom: 6px;
}
.site-footer a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    padding: 4px 0;
    transition: var(--jbo-transition);
}
.site-footer a:hover { color: var(--jbo-accent); padding-left: 4px; }
.footer-brand {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-brand::before {
    content: "";
    display: inline-block;
    width: 26px;
    height: 26px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="none"><path d="M16 2l11 5v9c0 6.5-4.5 12.5-11 14C9.5 28.5 5 22 5 16V7l11-5z" fill="%231D5C4F" stroke="%23F5821F" stroke-width="1"/><path d="M12 16l3 3 6-7" stroke="%23F5821F" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" fill="none"/></svg>') center/contain no-repeat;
}
.footer-copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 36px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}
@media (max-width: 768px) {
    .site-footer .row { gap: 28px; }
    .footer-copyright { margin-top: 24px; }
}

/* 浮动 CTA */
.fab-wrap {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}
.fab-panel {
    background: var(--jbo-white);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 10px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--jbo-transition);
    pointer-events: none;
}
.fab-panel.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.fab-panel a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--jbo-dark);
    transition: var(--jbo-transition);
    border-left: 3px solid transparent;
}
.fab-panel a:hover {
    color: var(--jbo-accent);
    background: var(--jbo-bg);
    border-left-color: var(--jbo-accent);
    padding-left: 22px;
}
.fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--jbo-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(245,130,31,0.35);
    transition: var(--jbo-transition);
}
.fab-btn:hover {
    background: var(--jbo-accent-dark);
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(245,130,31,0.45);
}
.fab-btn.active { background: var(--jbo-dark); }
.fab-icon {
    font-size: 28px;
    font-weight: 300;
    line-height: 1;
    transition: transform .3s ease;
    display: inline-block;
}
.fab-btn.active .fab-icon { transform: rotate(45deg); }
@media (max-width: 768px) {
    .fab-wrap { right: 16px; bottom: 16px; }
    .fab-btn { width: 44px; height: 44px; }
    .fab-icon { font-size: 24px; }
}

/* 响应式导航 */
@media (max-width: 991px) {
    .nav-left, .nav-right { display: none; }
    .nav-toggle { display: flex; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); }
    .nav-container { justify-content: center; }
    .brand-logo { font-size: 19px; }
    .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* roulang page: article */
:root {
    --jbo-primary: #1D5C4F;
    --jbo-primary-dark: #14483E;
    --jbo-accent: #F5821F;
    --jbo-accent-dark: #E0710C;
    --jbo-bg: #F6F4EF;
    --jbo-dark: #1E1E1C;
    --jbo-border: #E8EFEA;
    --jbo-success-bg: #E8EFEA;
    --jbo-text-light: #6B7772;
    --jbo-white: #FFFFFF;
    --jbo-radius-card: 14px;
    --jbo-radius-btn: 10px;
    --jbo-radius-badge: 6px;
    --jbo-shadow-sm: 0 2px 8px rgba(29, 92, 79, 0.06);
    --jbo-shadow-hover: 0 8px 24px rgba(29, 92, 79, 0.12);
    --jbo-font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--jbo-font-family);
    background: var(--jbo-bg);
    color: var(--jbo-dark);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "tnum";
}
img { max-width: 100%; display: block; }
a { color: var(--jbo-primary); text-decoration: none; transition: all .25s ease; }
a:hover { color: var(--jbo-accent); }
button { font-family: var(--jbo-font-family); }
.container { max-width: 1200px; }
@media (min-width: 1400px) { .container { max-width: 1200px; } }
.container-narrow { max-width: 780px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

a:focus-visible, button:focus-visible, .nav-toggle:focus-visible {
    outline: 2px solid var(--jbo-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
    height: 72px;
    display: flex;
    align-items: center;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    height: 72px;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 24px; }
.nav-left { flex: 1; }
.nav-right { flex: 1; justify-content: flex-end; }
.brand-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 22px;
    font-weight: 800;
    color: var(--jbo-dark);
    letter-spacing: 0.5px;
    white-space: nowrap;
    line-height: 1;
}
.brand-logo:hover { color: var(--jbo-primary); }
.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--jbo-dark);
    position: relative;
    padding: 8px 2px;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--jbo-accent);
    transform: scaleX(0);
    transition: transform .25s ease;
    transform-origin: center;
}
.nav-link:hover { color: var(--jbo-primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--jbo-accent); }
.nav-link.active::after { transform: scaleX(1); }

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    position: absolute;
    right: 12px;
    top: 16px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--jbo-dark);
    border-radius: 2px;
    transition: all .25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
    padding: 8px 24px 16px;
    z-index: 999;
    box-shadow: 0 12px 24px rgba(30, 30, 28, 0.06);
}
.mobile-menu a {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--jbo-dark);
    border-bottom: 1px solid var(--jbo-border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--jbo-accent); }

.breadcrumb-bar { background: var(--jbo-bg); padding: 28px 0 0; }
.breadcrumb { margin: 0; }
.breadcrumb-item { font-size: 14px; color: var(--jbo-text-light); }
.breadcrumb-item + .breadcrumb-item::before { content: "·"; color: #C8CFCB; }
.breadcrumb-item a { color: var(--jbo-text-light); }
.breadcrumb-item a:hover { color: var(--jbo-accent); }
.breadcrumb-item.active { color: var(--jbo-dark); }

.article-header { padding: 28px 0 8px; }
.article-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.35;
    color: var(--jbo-dark);
    margin: 0 0 18px;
    word-break: break-word;
    letter-spacing: 0.02em;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--jbo-text-light);
}
.article-meta .dot { color: #C8CFCB; }
.badge-tag {
    background: #FDEEE2;
    color: var(--jbo-accent);
    border-radius: var(--jbo-radius-badge);
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
}

.article-main { padding: 20px 0 0; }
.article-content { font-size: 17px; line-height: 2.0; color: var(--jbo-dark); }
.article-content p { margin: 0 0 1.4em; }
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--jbo-dark);
    margin: 1.6em 0 0.8em;
    line-height: 1.5;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--jbo-dark);
    margin: 1.4em 0 0.6em;
    line-height: 1.5;
}
.article-content ul, .article-content ol { margin: 0 0 1.4em; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.4em; }
.article-content a { color: var(--jbo-primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--jbo-accent); }
.article-content img { border-radius: 12px; border: 1px solid var(--jbo-border); margin: 1.6em 0; height: auto; }
.article-content figure { margin: 1.6em 0; }
.article-content figure img { margin: 0; }
.article-content figcaption { font-size: 13px; color: var(--jbo-text-light); text-align: center; margin-top: 8px; }
.article-content blockquote {
    border-left: 4px solid var(--jbo-primary);
    background: var(--jbo-success-bg);
    border-radius: 8px;
    padding: 20px 28px;
    font-size: 16px;
    line-height: 1.9;
    margin: 1.6em 0;
    color: var(--jbo-dark);
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1.6em 0; }
.article-content th, .article-content td { border: 1px solid var(--jbo-border); padding: 10px 14px; }
.article-content th { background: var(--jbo-success-bg); font-weight: 600; }
.article-content code { background: var(--jbo-success-bg); border-radius: 4px; padding: 2px 6px; font-size: 14px; }
.article-content pre { background: var(--jbo-dark); color: #F6F4EF; border-radius: 10px; padding: 20px; overflow-x: auto; margin: 1.6em 0; }
.article-content pre code { background: transparent; padding: 0; color: inherit; }

.article-tags {
    max-width: 780px;
    margin: 40px auto 0;
    padding: 0 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-item {
    font-size: 13px;
    color: var(--jbo-text-light);
    background: var(--jbo-white);
    border: 1px solid var(--jbo-border);
    border-radius: var(--jbo-radius-badge);
    padding: 4px 10px;
    transition: all .25s ease;
}
.tag-item:hover { color: var(--jbo-accent); border-color: var(--jbo-accent); }

.article-pager { max-width: 780px; margin: 0 auto; padding: 0 24px; }
.pager-inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    border-top: 1px solid var(--jbo-border);
    margin-top: 40px;
    padding: 24px 0 8px;
}
.pager-link { font-size: 14px; color: var(--jbo-text-light); transition: all .25s ease; }
.pager-link:hover { color: var(--jbo-accent); }

.article-empty {
    max-width: 720px;
    margin: 48px auto 64px;
    text-align: center;
    background: var(--jbo-white);
    border-radius: 16px;
    padding: 64px 32px;
    box-shadow: var(--jbo-shadow-sm);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; line-height: 1; }
.empty-title { font-size: 28px; font-weight: 800; color: var(--jbo-dark); margin: 0 0 8px; }
.article-empty p { font-size: 15px; color: var(--jbo-text-light); margin-bottom: 24px; }

.btn-line {
    display: inline-block;
    padding: 10px 28px;
    border: 1px solid var(--jbo-primary);
    border-radius: var(--jbo-radius-btn);
    color: var(--jbo-primary);
    font-size: 15px;
    font-weight: 600;
    background: transparent;
    transition: all .25s ease;
}
.btn-line:hover {
    background: var(--jbo-success-bg);
    color: var(--jbo-primary);
    transform: translateY(-2px);
    box-shadow: var(--jbo-shadow-sm);
}
.btn-line:active { transform: translateY(0); }

.related-section {
    background: var(--jbo-bg);
    padding: 64px 0 72px;
    border-top: 1px solid var(--jbo-border);
    margin-top: 40px;
}
.related-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    color: var(--jbo-dark);
    margin-bottom: 36px;
}
.related-title::after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background: var(--jbo-accent);
    margin: 12px auto 0;
    border-radius: 2px;
}
.related-card {
    display: block;
    background: var(--jbo-white);
    border-radius: var(--jbo-radius-card);
    overflow: hidden;
    box-shadow: var(--jbo-shadow-sm);
    transition: all .25s ease;
    height: 100%;
    color: var(--jbo-dark);
    text-decoration: none;
}
.related-card:hover {
    box-shadow: var(--jbo-shadow-hover);
    transform: translateY(-4px);
    color: var(--jbo-dark);
}
.related-cover { width: 100%; height: 120px; object-fit: cover; }
.related-card-body { padding: 16px 20px 20px; }
.related-card-body h3 { font-size: 16px; font-weight: 600; margin: 0 0 6px; line-height: 1.5; }
.related-cat { font-size: 13px; color: var(--jbo-text-light); }

.site-footer {
    background: var(--jbo-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: 56px 0 28px;
}
.footer-top-line { width: 64px; height: 1px; background: var(--jbo-accent); margin-bottom: 40px; }
.site-footer .footer-brand { font-size: 20px; font-weight: 800; color: #FFFFFF; margin-bottom: 12px; letter-spacing: 0.02em; }
.site-footer p, .site-footer a { font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.7); }
.site-footer a { display: block; margin-bottom: 4px; }
.site-footer a:hover { color: var(--jbo-accent); }
.site-footer h4 { font-size: 14px; font-weight: 600; color: #FFFFFF; margin-bottom: 12px; }
.footer-copyright { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 32px; padding-top: 20px; text-align: center; }
.footer-copyright p { font-size: 13px; color: rgba(255, 255, 255, 0.5); }

.float-cta { position: fixed; right: 24px; bottom: 24px; z-index: 2000; }
.cta-main {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--jbo-accent);
    color: #FFFFFF;
    border: none;
    font-size: 28px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(245, 130, 31, 0.35);
    cursor: pointer;
    transition: all .25s ease;
}
.cta-main:hover { background: var(--jbo-accent-dark); transform: translateY(-2px); }
.cta-main.open { transform: rotate(45deg); background: var(--jbo-accent-dark); }
.cta-panel {
    position: absolute;
    right: 0;
    bottom: 68px;
    background: var(--jbo-white);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 12px;
    width: 168px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all .25s ease;
}
.cta-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }
.cta-panel a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--jbo-dark);
    border-radius: 6px;
}
.cta-panel a:hover { background: var(--jbo-success-bg); color: var(--jbo-accent); }

@media (max-width: 1200px) {
    .article-title { font-size: 32px; }
}
@media (max-width: 992px) {
    .nav-left, .nav-right { display: none; }
    .nav-toggle { display: flex; }
    .mobile-menu { display: block; visibility: hidden; opacity: 0; transform: translateY(-8px); transition: all .25s ease; }
    .mobile-menu.show { visibility: visible; opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .brand-logo { font-size: 18px; }
    .article-title { font-size: 28px; }
    .article-content { font-size: 16px; line-height: 1.95; }
    .article-content blockquote { padding: 16px 20px; }
    .related-section { padding: 48px 0 56px; }
    .site-footer { padding: 40px 0 24px; }
    .float-cta { right: 16px; bottom: 16px; }
    .cta-main { width: 48px; height: 48px; font-size: 24px; }
}
@media (max-width: 576px) {
    .container-narrow { padding-left: 16px; padding-right: 16px; }
    .article-tags { padding-left: 16px; padding-right: 16px; }
    .article-pager { padding-left: 16px; padding-right: 16px; }
    .pager-inner { flex-direction: column; gap: 8px; }
    .article-empty { padding: 48px 20px; }
}

/* roulang page: category1 */
:root {
    --jbo-primary: #1D5C4F;
    --jbo-accent: #F5821F;
    --jbo-bg: #F6F4EF;
    --jbo-dark: #1E1E1C;
    --jbo-border: #E8EFEA;
    --jbo-success-bg: #E8EFEA;
    --jbo-radius-card: 14px;
    --jbo-radius-btn: 10px;
    --jbo-shadow-sm: 0 2px 8px rgba(29, 92, 79, 0.06);
    --jbo-shadow-hover: 0 8px 24px rgba(29, 92, 79, 0.12);
    --jbo-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
@media (max-width: 768px) {
    html {
        scroll-behavior: auto;
    }
}
body {
    margin: 0;
    font-family: var(--jbo-font);
    background: var(--jbo-bg);
    color: var(--jbo-dark);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "tnum";
}
a {
    color: var(--jbo-primary);
    text-decoration: none;
    transition: all .25s ease;
}
a:hover {
    color: var(--jbo-accent);
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--jbo-font);
    color: var(--jbo-dark);
    line-height: 1.4;
    margin-top: 0;
}
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--jbo-accent);
    outline-offset: 2px;
}

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(246, 244, 239, 0.97);
    border-bottom: 1px solid var(--jbo-border);
    height: 72px;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding-left: 20px;
    padding-right: 20px;
    max-width: 1320px;
    margin: 0 auto;
    position: relative;
}
.nav-left {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
}
.nav-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
}
.brand-logo {
    flex-shrink: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--jbo-primary);
    letter-spacing: 1px;
    white-space: nowrap;
    padding: 0 16px;
    line-height: 1.2;
}
.brand-logo:hover {
    color: var(--jbo-primary);
}
.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--jbo-dark);
    padding: 8px 6px;
    position: relative;
    display: inline-block;
    transition: color .25s ease;
    border: none;
    background: transparent;
}
.nav-link:hover {
    color: var(--jbo-primary);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 6px;
    right: 6px;
    bottom: 0;
    height: 2px;
    background: var(--jbo-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}
.nav-link.active {
    color: var(--jbo-accent);
}
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 0;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--jbo-dark);
    border-radius: 2px;
    transition: all .25s ease;
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
    box-shadow: var(--jbo-shadow-sm);
    padding: 12px 24px 16px;
    flex-direction: column;
    gap: 2px;
    z-index: 1029;
}
.mobile-menu.show {
    display: flex;
    animation: mobileMenuIn .25s ease;
}
@keyframes mobileMenuIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.mobile-menu a {
    padding: 12px 8px;
    font-size: 16px;
    color: var(--jbo-dark);
    border-bottom: 1px solid var(--jbo-border);
    transition: all .25s ease;
}
.mobile-menu a:last-child {
    border-bottom: none;
}
.mobile-menu a:hover {
    color: var(--jbo-primary);
    padding-left: 12px;
}
.mobile-menu a.active {
    color: var(--jbo-accent);
    font-weight: 600;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 32px;
    border-radius: var(--jbo-radius-btn);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--jbo-font);
    line-height: 1;
    border: 2px solid transparent;
    transition: all .25s ease;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}
.btn:focus-visible {
    outline: 2px solid var(--jbo-accent);
    outline-offset: 2px;
}
.btn-primary {
    background: var(--jbo-accent);
    color: #fff !important;
    border-color: var(--jbo-accent);
}
.btn-primary:hover {
    background: #E0710C;
    border-color: #E0710C;
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 130, 31, 0.25);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}
.btn-outline {
    background: transparent;
    color: var(--jbo-primary) !important;
    border-color: var(--jbo-primary);
}
.btn-outline:hover {
    background: var(--jbo-success-bg);
    color: var(--jbo-primary) !important;
    transform: translateY(-2px);
}
.btn-white-outline {
    background: transparent;
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.8);
}
.btn-white-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff !important;
    transform: translateY(-2px);
}

/* ===== 分类页 Hero ===== */
.category-hero {
    background: var(--jbo-success-bg);
    padding: 60px 0 56px;
    border-bottom: 1px solid var(--jbo-border);
}
.category-hero .hero-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--jbo-dark);
    margin: 0;
    max-width: 680px;
    letter-spacing: 0px;
}
.category-hero .hero-note {
    font-size: 16px;
    line-height: 1.8;
    color: #5c6b66;
    margin: 0;
    border-left: 3px solid var(--jbo-accent);
    padding-left: 16px;
    max-width: 260px;
}

/* ===== 内容区块 ===== */
.content-block {
    padding: 80px 0;
    background: var(--jbo-bg);
}
.content-block-alt {
    background: var(--jbo-success-bg);
}
.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--jbo-accent);
    letter-spacing: 1px;
    margin-bottom: 10px;
    text-transform: uppercase;
}
.content-block h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 18px;
    color: var(--jbo-dark);
}
.content-block .lead-text {
    font-size: 16px;
    line-height: 1.8;
    color: #4a4a46;
    margin-bottom: 16px;
}
.content-block p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a4a46;
    margin-bottom: 16px;
}
.content-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.content-block ul li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 1.7;
    color: #3d3d39;
}
.content-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--jbo-accent);
}

/* ===== 信息列表卡 ===== */
.info-list-card {
    background: #fff;
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 28px 32px;
    transition: box-shadow .25s ease;
}
.info-list-card:hover {
    box-shadow: var(--jbo-shadow-hover);
}
.info-list-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.info-list-card li {
    position: relative;
    padding: 14px 0 14px 34px;
    border-bottom: 1px solid var(--jbo-border);
    font-size: 15px;
    line-height: 1.7;
    color: #3d3d39;
    margin-bottom: 0;
}
.info-list-card li:last-child {
    border-bottom: none;
}
.info-list-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 26px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--jbo-accent);
}
.info-list-card strong {
    color: var(--jbo-dark);
    font-weight: 600;
}

/* ===== 迷你卡片 ===== */
.mini-card {
    background: #fff;
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 20px 22px;
    height: 100%;
    transition: all .25s ease;
}
.mini-card:hover {
    box-shadow: var(--jbo-shadow-hover);
    transform: translateY(-3px);
}
.mini-card .mini-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--jbo-success-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--jbo-accent);
    margin-bottom: 14px;
    font-feature-settings: "tnum";
}
.mini-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--jbo-dark);
}
.mini-card p {
    font-size: 14px;
    line-height: 1.7;
    color: #6a6a65;
    margin-bottom: 0;
}

/* ===== 配图容器 ===== */
.image-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--jbo-shadow-sm);
}
.image-frame img {
    width: 100%;
    display: block;
}
.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(29, 92, 79, 0.88);
    color: #fff;
    padding: 14px 20px;
    font-size: 14px;
    line-height: 1.7;
    border-radius: 0 0 16px 16px;
}

/* ===== FAQ ===== */
.custom-accordion .accordion-item {
    background: #fff;
    border: none;
    border-radius: var(--jbo-radius-card) !important;
    box-shadow: var(--jbo-shadow-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow .25s ease;
}
.custom-accordion .accordion-item:hover {
    box-shadow: var(--jbo-shadow-hover);
}
.custom-accordion .accordion-button {
    background: #fff;
    color: var(--jbo-dark);
    font-size: 16px;
    font-weight: 600;
    font-family: var(--jbo-font);
    padding: 20px 24px;
    box-shadow: none;
    border-radius: 0 !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    text-align: left;
    border: none;
    transition: color .25s ease;
}
.custom-accordion .accordion-button:not(.collapsed) {
    background: #fff;
    color: var(--jbo-accent);
    box-shadow: none;
}
.custom-accordion .accordion-button::after {
    display: none;
}
.custom-accordion .faq-plus {
    position: relative;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--jbo-success-bg);
    flex-shrink: 0;
    transition: all .3s ease;
}
.custom-accordion .faq-plus::before,
.custom-accordion .faq-plus::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--jbo-primary);
    border-radius: 2px;
    transition: all .3s ease;
}
.custom-accordion .faq-plus::before {
    width: 12px;
    height: 2px;
}
.custom-accordion .faq-plus::after {
    width: 2px;
    height: 12px;
}
.custom-accordion .accordion-button:not(.collapsed) .faq-plus {
    background: #FDEEE2;
}
.custom-accordion .accordion-button:not(.collapsed) .faq-plus::after {
    transform: translate(-50%, -50%) scaleY(0);
}
.custom-accordion .accordion-body {
    padding: 0 24px 20px;
    font-size: 15px;
    line-height: 1.8;
    color: #5c6b66;
}

/* ===== 延伸阅读 ===== */
.reading-block {
    padding: 80px 0;
    background: var(--jbo-bg);
}
.reading-block h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 28px;
}
.reading-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.reading-list li {
    border-bottom: 1px solid var(--jbo-border);
    padding: 0;
}
.reading-list li:first-child {
    border-top: 1px solid var(--jbo-border);
}
.reading-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--jbo-dark);
    font-size: 16px;
    font-weight: 500;
    padding: 16px 4px;
    transition: all .25s ease;
}
.reading-list a:hover {
    color: var(--jbo-accent);
    padding-left: 12px;
}
.reading-list a::after {
    content: '→';
    color: var(--jbo-accent);
    font-size: 18px;
    flex-shrink: 0;
    transition: transform .25s ease;
}
.reading-list a:hover::after {
    transform: translateX(4px);
}

/* ===== CTA 区块 ===== */
.cta-block {
    padding: 72px 0;
    background: var(--jbo-primary);
    color: #fff;
    text-align: center;
}
.cta-block h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}
.cta-block p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    margin-bottom: 32px;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--jbo-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 56px 0 32px;
    font-size: 14px;
    line-height: 1.8;
}
.footer-top-line {
    width: 64px;
    height: 1px;
    background: var(--jbo-accent);
    margin-bottom: 32px;
}
.footer-brand {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.site-footer h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    font-family: var(--jbo-font);
}
.site-footer a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    padding: 4px 0;
    transition: all .25s ease;
}
.site-footer a:hover {
    color: var(--jbo-accent);
    padding-left: 4px;
    text-decoration: none;
}
.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 32px;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
}

/* ===== 浮动 CTA ===== */
.floating-cta {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}
.cta-panel {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 8px;
    margin-bottom: 12px;
    display: none;
    flex-direction: column;
    min-width: 150px;
}
.cta-panel.open {
    display: flex;
    animation: ctaPanelIn .25s ease;
}
@keyframes ctaPanelIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.cta-panel a {
    padding: 10px 14px;
    font-size: 14px;
    color: var(--jbo-dark);
    border-radius: 8px;
    transition: all .25s ease;
    text-decoration: none;
}
.cta-panel a:hover {
    background: var(--jbo-success-bg);
    color: var(--jbo-primary);
}
.cta-fab {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--jbo-accent);
    border: none;
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(245, 130, 31, 0.35);
    cursor: pointer;
    transition: all .25s ease;
    padding: 0;
}
.cta-fab:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 24px rgba(245, 130, 31, 0.45);
}
.cta-fab .fab-icon {
    display: inline-block;
    font-size: 28px;
    font-weight: 300;
    line-height: 1;
    transition: transform .3s ease;
}
.cta-fab.active .fab-icon {
    transform: rotate(45deg);
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .category-hero .hero-title {
        font-size: 32px;
    }
    .content-block {
        padding: 64px 0;
    }
    .reading-block {
        padding: 64px 0;
    }
}
@media (max-width: 992px) {
    .nav-left,
    .nav-right {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-container {
        justify-content: flex-end;
    }
    .brand-logo {
        margin-right: auto;
        padding-left: 0;
    }
    .category-hero {
        padding: 48px 0;
    }
    .category-hero .hero-note {
        margin-top: 16px;
        max-width: 100%;
    }
    .content-block {
        padding: 56px 0;
    }
    .reading-block {
        padding: 56px 0;
    }
    .cta-block {
        padding: 56px 0;
    }
    .site-footer {
        padding: 44px 0 24px;
    }
}
@media (max-width: 768px) {
    .category-hero .hero-title {
        font-size: 28px;
        line-height: 1.35;
    }
    .content-block h2 {
        font-size: 24px;
    }
    .reading-block h2 {
        font-size: 24px;
    }
    .floating-cta {
        right: 16px;
        bottom: 16px;
    }
    .cta-fab {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    .cta-fab .fab-icon {
        font-size: 24px;
    }
    .content-block {
        padding: 48px 0;
    }
    .reading-block {
        padding: 48px 0;
    }
}
@media (max-width: 576px) {
    .brand-logo {
        font-size: 16px;
        letter-spacing: 0.5px;
    }
    .category-hero {
        padding: 40px 0;
    }
    .category-hero .hero-title {
        font-size: 24px;
    }
    .content-block {
        padding: 40px 0;
    }
    .btn {
        height: 44px;
        padding: 0 24px;
        font-size: 15px;
    }
    .info-list-card {
        padding: 20px 20px;
    }
    .mini-card {
        padding: 16px 18px;
    }
    .cta-block h2 {
        font-size: 22px;
    }
    .footer-brand {
        font-size: 16px;
    }
}

/* roulang page: category2 */
:root {
    --jbo-primary: #1D5C4F;
    --jbo-accent: #F5821F;
    --jbo-bg: #F6F4EF;
    --jbo-dark: #1E1E1C;
    --jbo-border: #D8E2DC;
    --jbo-success-bg: #E8EFEA;
    --jbo-radius-card: 16px;
    --jbo-radius-btn: 10px;
    --jbo-shadow-sm: 0 2px 8px rgba(29,92,79,0.06);
    --jbo-shadow-hover: 0 8px 24px rgba(29,92,79,0.12);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--jbo-dark);
    background: var(--jbo-bg);
    margin: 0;
    padding: 0;
    font-feature-settings: "tnum";
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: var(--jbo-primary);
    text-decoration: none;
    transition: all .25s ease;
  }
  a:hover { color: var(--jbo-accent); }
  img { max-width: 100%; height: auto; }
  ul, ol { list-style: none; margin: 0; padding: 0; }
  h1, h2, h3, h4, h5, h6 { font-weight: 700; margin: 0 0 .5em; line-height: 1.3; }
  p { margin: 0 0 1.2em; }
  button { font-family: inherit; }

  :focus-visible {
    outline: 2px solid var(--jbo-accent);
    outline-offset: 2px;
  }

  .container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

  /* ===== 导航栏 ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
    height: 72px;
    display: flex;
    align-items: center;
  }

  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
  }

  .nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
  }

  .nav-right { justify-content: flex-end; }

  .brand-logo {
    font-size: 22px;
    font-weight: 800;
    color: var(--jbo-primary);
    white-space: nowrap;
    letter-spacing: .5px;
    flex-shrink: 0;
  }
  .brand-logo:hover { color: var(--jbo-primary); }

  .nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--jbo-dark);
    padding: 8px 4px;
    display: inline-block;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--jbo-accent);
    transition: all .25s ease;
  }
  .nav-link:hover {
    color: var(--jbo-primary);
  }
  .nav-link:hover::after { width: 100%; }
  .nav-link.active {
    color: var(--jbo-accent);
  }
  .nav-link.active::after {
    width: 100%;
  }

  .nav-toggle {
    display: none;
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0;
    border-radius: var(--jbo-radius-btn);
  }
  .nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--jbo-dark);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--jbo-bg);
    border-bottom: 1px solid var(--jbo-border);
    padding: 16px 20px;
    flex-direction: column;
    gap: 4px;
    z-index: 1029;
    opacity: 0;
    transform: translateY(-8px);
    transition: all .25s ease;
    pointer-events: none;
  }
  .mobile-menu.open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .mobile-menu a {
    font-size: 16px;
    padding: 12px 8px;
    color: var(--jbo-dark);
    border-bottom: 1px solid rgba(216,226,220,.5);
    font-weight: 500;
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu a.active { color: var(--jbo-accent); }

  /* ===== 页面 Banner ===== */
  .page-banner {
    background: var(--jbo-success-bg);
    padding: 64px 0 56px;
    border-bottom: 1px solid var(--jbo-border);
  }

  .page-banner .container {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .page-banner h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--jbo-dark);
    line-height: 1.35;
    margin: 0;
    max-width: 760px;
  }

  .page-banner .banner-desc {
    font-size: 15px;
    color: #5A6B64;
    line-height: 1.7;
    max-width: 260px;
    text-align: right;
    margin: 0;
    border-left: 3px solid var(--jbo-accent);
    padding-left: 16px;
    flex-shrink: 0;
  }

  /* ===== 通用 Section ===== */
  .section { padding: 88px 0; }

  .section-tag-label {
    display: inline-block;
    background: rgba(245,130,31,.1);
    color: var(--jbo-accent);
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    padding: 4px 10px;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .section h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--jbo-dark);
    margin-bottom: 16px;
    line-height: 1.35;
  }

  .section .lead-text {
    font-size: 16px;
    color: #5A6B64;
    margin-bottom: 24px;
    max-width: 560px;
  }

  /* ===== 数据服务概览 ===== */
  .service-overview { background: var(--jbo-bg); }

  .overview-content { padding-right: 48px; }

  .overview-content p {
    font-size: 15px;
    line-height: 1.8;
    color: #454B48;
    margin-bottom: 16px;
  }

  .feature-list {
    margin-top: 24px;
  }
  .feature-list li {
    position: relative;
    padding-left: 24px;
    font-size: 15px;
    color: var(--jbo-dark);
    margin-bottom: 10px;
    line-height: 1.6;
  }
  .feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--jbo-accent);
  }

  .overview-img-wrap {
    position: relative;
    border-radius: var(--jbo-radius-card);
    overflow: hidden;
    box-shadow: var(--jbo-shadow-sm);
  }
  .overview-img-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
  }
  .overview-img-wrap .img-note {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(29,92,79,.85);
    color: #fff;
    font-size: 14px;
    padding: 12px 20px;
    border-radius: 0 0 var(--jbo-radius-card) var(--jbo-radius-card);
    backdrop-filter: blur(4px);
  }

  /* ===== 步骤条区 ===== */
  .data-steps {
    background: var(--jbo-success-bg);
    border-top: 1px solid var(--jbo-border);
    border-bottom: 1px solid var(--jbo-border);
  }

  .steps-list {
    max-width: 860px;
    margin: 0 auto;
    position: relative;
  }

  .steps-list::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: var(--jbo-border);
  }

  .step-item {
    position: relative;
    display: flex;
    gap: 28px;
    padding: 0 0 48px 0;
  }
  .step-item:last-child { padding-bottom: 0; }

  .step-num {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--jbo-primary);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(29,92,79,.18);
    font-feature-settings: "tnum";
  }

  .step-content {
    background: #fff;
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 24px 28px;
    flex: 1;
  }

  .step-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--jbo-dark);
    margin-bottom: 8px;
  }

  .step-content p {
    font-size: 15px;
    color: #5A6B64;
    line-height: 1.75;
    margin: 0;
  }

  /* ===== 服务场景卡片 ===== */
  .service-scenes { background: var(--jbo-bg); }

  .scene-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 40px;
  }

  .scene-card {
    background: #fff;
    border-radius: var(--jbo-radius-card);
    box-shadow: var(--jbo-shadow-sm);
    padding: 28px 22px;
    text-align: center;
    transition: all .25s ease;
    border-top: 3px solid transparent;
  }
  .scene-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--jbo-shadow-hover);
    border-top-color: var(--jbo-accent);
  }

  .scene-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(245,130,31,.1);
    font-size: 24px;
    color: var(--jbo-accent);
    margin-bottom: 16px;
  }

  .scene-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--jbo-dark);
    margin-bottom: 8px;
  }

  .scene-card p {
    font-size: 14px;
    color: #5A6B64;
    line-height: 1.65;
    margin: 0;
  }

  /* ===== 延伸阅读 ===== */
  .extended-reading {
    background: #fff;
    border-top: 1px solid var(--jbo-border);
  }

  .extended-reading .section-label {
    font-size: 13px;
    color: #8A9892;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .reading-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 16px;
  }

  .reading-item {
    background: var(--jbo-bg);
    border-radius: 12px;
    padding: 20px 24px;
    transition: all .25s ease;
  }
  .reading-item:hover {
    background: var(--jbo-success-bg);
    transform: translateY(-2px);
  }

  .reading-item a {
    font-size: 15px;
    font-weight: 600;
    color: var(--jbo-dark);
    line-height: 1.5;
    display: block;
  }
  .reading-item a:hover { color: var(--jbo-primary); }

  .reading-item .reading-arrow {
    display: inline-block;
    margin-top: 8px;
    color: var(--jbo-accent);
    font-size: 14px;
    font-weight: 600;
  }

  /* ===== CTA 区 ===== */
  .cta-section {
    background: var(--jbo-primary);
    padding: 72px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,.05);
  }

  .cta-section h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
  }

  .cta-section p {
    color: rgba(255,255,255,.8);
    font-size: 16px;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
  }

  .btn {
    display: inline-block;
    border-radius: var(--jbo-radius-btn);
    font-size: 16px;
    font-weight: 600;
    padding: 14px 32px;
    line-height: 1.5;
    transition: all .25s ease;
    border: 2px solid transparent;
    cursor: pointer;
  }
  .btn-primary {
    background: var(--jbo-accent);
    color: #fff;
  }
  .btn-primary:hover {
    background: #E0710C;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,130,31,.35);
  }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
  }
  .btn-outline-white {
    border-color: #fff;
    color: #fff;
    background: transparent;
  }
  .btn-outline-white:hover {
    background: rgba(255,255,255,.1);
    color: #fff;
  }

  .cta-btns { display: flex; gap: 16px; justify-content: center; position: relative; z-index: 1; flex-wrap: wrap; }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--jbo-dark);
    color: #C8CFCC;
    padding: 48px 0 32px;
    font-size: 14px;
  }

  .footer-top-line {
    width: 64px;
    height: 3px;
    background: var(--jbo-accent);
    margin: 0 auto 36px;
    border-radius: 2px;
  }

  .site-footer .row { margin-bottom: 24px; }

  .site-footer h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
  }

  .footer-brand {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
  }

  .site-footer p { margin-bottom: 8px; line-height: 1.7; color: #8F9B95; }

  .site-footer a {
    color: #8F9B95;
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
  }
  .site-footer a:hover { color: var(--jbo-accent); }

  .footer-copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 24px;
    margin-top: 8px;
  }

  .footer-copyright p {
    color: #6B7A73;
    font-size: 13px;
    margin: 0;
  }

  /* ===== 浮动 CTA ===== */
  .float-cta {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1050;
  }

  .float-cta-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--jbo-accent);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(245,130,31,.4);
    transition: all .25s ease;
    position: relative;
    z-index: 2;
  }
  .float-cta-btn:hover {
    background: #E0710C;
    transform: scale(1.05);
  }
  .float-cta-btn .icon {
    display: inline-block;
    transition: transform .3s ease;
    line-height: 1;
    font-weight: 300;
  }
  .float-cta-btn.active .icon { transform: rotate(45deg); }

  .float-cta-panel {
    position: absolute;
    right: 0;
    bottom: 68px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    padding: 12px 18px;
    min-width: 140px;
    opacity: 0;
    transform: translateY(12px);
    transition: all .25s ease;
    pointer-events: none;
  }
  .float-cta-panel.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .float-cta-panel a {
    display: block;
    font-size: 14px;
    color: var(--jbo-dark);
    padding: 8px 4px;
    font-weight: 500;
    border-bottom: 1px solid var(--jbo-border);
  }
  .float-cta-panel a:last-child { border-bottom: none; }
  .float-cta-panel a:hover { color: var(--jbo-accent); }

  /* ===== 响应式 ===== */
  @media (max-width: 1200px) {
    .scene-grid { grid-template-columns: repeat(3, 1fr); }
    .page-banner h1 { font-size: 32px; }
  }

  @media (max-width: 992px) {
    .nav-container { gap: 12px; }
    .nav-link { font-size: 14px; }
    .brand-logo { font-size: 19px; }

    .page-banner { padding: 48px 0 40px; }
    .page-banner .container { flex-direction: column; align-items: flex-start; gap: 16px; }
    .page-banner .banner-desc {
      text-align: left;
      max-width: 100%;
      border-left: none;
      padding-left: 0;
      border-top: 2px solid var(--jbo-accent);
      padding-top: 12px;
    }

    .overview-content { padding-right: 0; margin-bottom: 32px; }

    .scene-grid { grid-template-columns: repeat(2, 1fr); }
    .reading-list { grid-template-columns: 1fr; }
    .section { padding: 64px 0; }
  }

  @media (max-width: 768px) {
    .site-header { height: 64px; }
    .nav-left, .nav-right { display: none; }
    .nav-toggle { display: flex; }
    .brand-logo { font-size: 17px; }
    .mobile-menu { top: 64px; }

    .page-banner h1 { font-size: 26px; }

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

    .steps-list::before { left: 22px; }
    .step-num { width: 44px; height: 44px; font-size: 15px; }
    .step-item { gap: 16px; }
    .step-content { padding: 18px 20px; }

    .scene-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .scene-card { padding: 20px 14px; }
    .scene-icon { width: 40px; height: 40px; font-size: 20px; }

    .cta-section { padding: 56px 0; }
    .cta-section h2 { font-size: 22px; }
    .cta-btns { flex-direction: column; align-items: center; }

    .float-cta { right: 16px; bottom: 16px; }
    .float-cta-btn { width: 44px; height: 44px; font-size: 22px; }

    .overview-img-wrap img { height: 260px; }
  }

  @media (max-width: 576px) {
    .section { padding: 48px 0; }
    .page-banner { padding: 36px 0 32px; }
    .scene-grid { grid-template-columns: 1fr; }
    .step-content h3 { font-size: 17px; }
    .reading-list { grid-template-columns: 1fr; }
  }