/* roulang page: index */
:root {
    --primary: #F0562C;
    --primary-dark: #C94520;
    --primary-soft: rgba(240, 86, 44, .12);
    --ink: #0F151B;
    --ink-soft: #1B232C;
    --gold: #D4A853;
    --gold-deep: #A6771E;
    --gold-soft: #F8F0E0;
    --bg-light: #F6F7F9;
    --text: #2A2E34;
    --text-weak: #6C757D;
    --text-light: #EDF0F2;
    --border: #E9ECEF;
    --dark-border: rgba(255, 255, 255, .1);
    --radius: 14px;
    --radius-sm: 8px;
    --radius-btn: 6px;
    --radius-chip: 100px;
    --shadow-sm: 0 2px 8px rgba(15, 21, 27, .05), 0 0 0 1px rgba(15, 21, 27, .03);
    --shadow-hover: 0 12px 32px rgba(15, 21, 27, .12);
    --shadow-gold: 0 8px 24px rgba(212, 168, 83, .22);
    --container-w: 1200px;
    --space: 80px;
    --space-lg: 100px;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: #fff;
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
*, *::before, *::after {
    box-sizing: border-box;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .22s ease;
}
a:hover {
    color: var(--primary-dark);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button, input, textarea {
    font-family: inherit;
}
.row {
    --bs-gutter-x: 24px;
    --bs-gutter-y: 24px;
}
.container {
    max-width: var(--container-w);
}
.text-weak {
    color: var(--text-weak);
}
.section {
    padding: var(--space) 0;
}
.section-head {
    text-align: center;
    margin-bottom: 52px;
}
.section-head .subtitle {
    color: var(--text-weak);
    font-size: 15px;
    letter-spacing: .4px;
    margin-bottom: 8px;
}
.section-head h2 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 14px;
    letter-spacing: -.5px;
}
.section-head .divider {
    width: 56px;
    height: 4px;
    background: var(--primary);
    border-radius: 4px;
    margin: 0 auto;
}
/* ======== Header & Nav ======== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(15, 21, 27, .84);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
    background: rgba(12, 17, 22, .94);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .18);
}
.navbar-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 74px;
    gap: 16px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -1px;
    box-shadow: 0 4px 14px rgba(240, 86, 44, .35);
}
.brand-text {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: .4px;
    line-height: 1.2;
    white-space: nowrap;
}
.brand-text span {
    color: var(--gold);
}
.nav-chips-wrap {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.nav-chips-wrap::-webkit-scrollbar {
    display: none;
}
.nav-chips {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px;
}
.chip-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, .7);
    background: transparent;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease;
    position: relative;
}
.chip-link:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
}
.chip-link.active {
    background: rgba(255, 255, 255, .16);
    color: #fff;
}
.chip-link.active::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.header-cta {
    flex-shrink: 0;
    margin-left: 8px;
}
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .3px;
    transition: background .22s ease, box-shadow .22s ease, transform .18s ease;
}
.btn-cta:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 8px 24px rgba(240, 86, 44, .3);
    transform: translateY(-1px);
}
/* ======== Hero ======== */
.hero {
    background: var(--ink);
    color: #fff;
    position: relative;
    padding: 80px 0 0;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 44%;
    height: 100%;
    background:
        linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(90deg, transparent, #000 40%, #000);
    pointer-events: none;
}
.hero .container {
    position: relative;
    z-index: 2;
}
.hero-row {
    display: flex;
    align-items: center;
    gap: 48px;
    padding-bottom: 80px;
}
.hero-content {
    flex: 1.1;
}
.hero-content .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 86, 44, .14);
    color: #ffb39a;
    border: 1px solid rgba(240, 86, 44, .28);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 22px;
}
.hero-content h1 {
    font-size: 50px;
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: -1px;
    color: #fff;
    margin-bottom: 18px;
}
.hero-content h1 .highlight {
    color: var(--primary);
    position: relative;
    white-space: nowrap;
}
.hero-content h1 .highlight::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 5px;
    background: rgba(240, 86, 44, .25);
    border-radius: 3px;
}
.hero-content .hero-sub {
    font-size: 17px;
    color: rgba(255, 255, 255, .68);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 480px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-primary-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 30px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    transition: background .22s, box-shadow .22s, transform .18s;
}
.btn-primary-main:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 10px 30px rgba(240, 86, 44, .32);
    transform: translateY(-2px);
}
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 30px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    transition: background .22s, border-color .22s, transform .18s;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}
.hero-visual {
    flex: 0.9;
    position: relative;
}
.hero-visual img {
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
    width: 100%;
    object-fit: cover;
}
.hero-visual .visual-badge {
    position: absolute;
    bottom: 24px;
    left: -20px;
    background: var(--gold);
    color: var(--ink);
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-gold);
    display: flex;
    align-items: center;
    gap: 8px;
}
/* Hero data bar */
.hero-data {
    border-top: 1px solid rgba(255, 255, 255, .1);
    background: rgba(0, 0, 0, .18);
    padding: 28px 0;
}
.hero-data .data-grid {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 0;
}
.hero-data .data-item {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
}
.hero-data .data-item + .data-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 42px;
    background: rgba(255, 255, 255, .12);
}
.hero-data .data-num {
    font-size: 34px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.2;
    letter-spacing: -.5px;
}
.hero-data .data-label {
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
    margin-top: 4px;
}
/* ======== Services 2x2 ======== */
.services-section {
    background: var(--bg-light);
}
.service-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 0 0 28px;
    height: 100%;
    transition: transform .26s ease, box-shadow .26s ease;
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.service-card .card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 0 0 0 0;
}
.service-card .card-body {
    padding: 24px;
}
.service-card .card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 14px;
}
.service-card .card-icon.icon-gold {
    background: var(--gold-soft);
    color: var(--gold-deep);
}
.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
}
.service-card p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 16px;
    min-height: 48px;
}
.service-card .card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease;
}
.service-card .card-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}
/* ======== Stats Bar ======== */
.stats-section {
    background: var(--ink);
    padding: 56px 0;
}
.stats-section .section-head h2 {
    color: #fff;
}
.stats-section .section-head p {
    color: rgba(255, 255, 255, .6);
}
.stats-section .divider {
    background: var(--gold);
}
.stats-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
}
.stat-item {
    flex: 1;
    text-align: center;
    padding: 0 24px;
    position: relative;
}
.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 52px;
    background: rgba(255, 255, 255, .08);
}
.stat-num {
    font-size: 44px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.1;
    letter-spacing: -1px;
}
.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, .62);
    margin-top: 6px;
    letter-spacing: .5px;
}
/* ======== Cases ======== */
.case-row {
    display: flex;
    align-items: center;
    gap: 56px;
    padding: 28px 0;
}
.case-row + .case-row {
    margin-top: 56px;
}
.case-row .case-img {
    flex: 1;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .26s ease, transform .26s ease;
}
.case-row .case-img:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.case-row .case-img img {
    width: 100%;
    height: 340px;
    object-fit: cover;
}
.case-row .case-content {
    flex: 1;
}
.case-row .chip {
    display: inline-block;
    background: var(--gold-soft);
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
}
.case-row h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 12px;
    line-height: 1.3;
}
.case-row p {
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.75;
    margin-bottom: 16px;
    max-width: 460px;
}
.case-row .case-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .2s ease;
}
.case-row .case-link:hover {
    gap: 10px;
    color: var(--primary-dark);
}
/* ======== Solutions ======== */
.solutions-section {
    background: var(--bg-light);
}
.solution-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0;
    position: relative;
    margin-bottom: 40px;
}
.solution-flow::before {
    content: "";
    position: absolute;
    top: 48px;
    left: 12%;
    right: 12%;
    border-top: 2px dashed #d3d8de;
    z-index: 0;
}
.solution-step {
    text-align: center;
    padding: 0 15px;
    position: relative;
    z-index: 1;
    background: var(--bg-light);
}
.solution-step .step-num {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 64px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 18px;
    display: block;
    text-shadow: 0 4px 14px rgba(212, 168, 83, .2);
}
.solution-step .step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 26px;
    margin-bottom: 14px;
}
.solution-step h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 10px;
}
.solution-step p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    max-width: 260px;
    margin: 0 auto;
}
.solutions-cta {
    text-align: center;
    margin-top: 48px;
}
.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 34px;
    background: transparent;
    color: var(--ink);
    border: 1px solid #C9CDD2;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    transition: background .22s, color .22s, border-color .22s, transform .18s;
}
.btn-outline-dark:hover {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
    transform: translateY(-2px);
}
/* ======== News CMS ======== */
.news-section {
    background: #fff;
}
.news-featured {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
    transition: box-shadow .26s ease, transform .26s ease;
}
.news-featured:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.news-featured a {
    display: block;
    color: inherit;
    padding-bottom: 20px;
}
.news-featured .news-featured__img {
    width: 100%;
    height: 300px;
    overflow: hidden;
}
.news-featured .news-featured__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.news-featured:hover .news-featured__img img {
    transform: scale(1.04);
}
.news-featured .chip {
    display: inline-block;
    background: var(--gold-soft);
    color: var(--gold-deep);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 100px;
    margin: 16px 0 0 20px;
}
.news-featured h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.4;
    margin: 8px 20px 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-featured p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
    margin: 0 20px 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-featured .news-featured__meta {
    font-size: 13px;
    color: #9CA3AF;
    margin: 0 20px;
    display: block;
}
.news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.news-list-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    padding: 18px 20px;
    transition: box-shadow .22s ease, transform .22s ease;
}
.news-list-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}
.news-list-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    color: inherit;
    text-decoration: none;
}
.news-list-item .news-date {
    font-size: 12px;
    color: #9CA3AF;
    flex-shrink: 0;
    width: 76px;
    line-height: 1.4;
}
.news-list-item .news-title {
    flex: 1;
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-list-item .news-excerpt {
    flex: 1.2;
    font-size: 13px;
    color: var(--text-weak);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}
.news-list-item .chip {
    display: inline-block;
    background: var(--gold-soft);
    color: var(--gold-deep);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 100px;
    flex-shrink: 0;
}
.news-list-item .arrow {
    color: var(--primary);
    font-size: 18px;
    flex-shrink: 0;
    transition: transform .2s ease;
}
.news-list-item:hover .arrow {
    transform: translateX(4px);
}
.news-empty {
    background: var(--bg-light);
    border: 2px dashed #d6d9de;
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    grid-column: 1 / -1;
}
.news-empty i {
    font-size: 44px;
    color: #b6bcc4;
    margin-bottom: 12px;
    display: block;
}
.news-empty p {
    color: var(--text-weak);
    font-size: 15px;
    margin: 0;
}
/* ======== FAQ ======== */
.faq-section {
    background: var(--bg-light);
}
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0;
    transition: background .2s ease;
}
.faq-item:first-child {
    border-radius: 12px 12px 0 0;
    border-top: 1px solid var(--border);
}
.faq-item:last-child {
    border-radius: 0 0 12px 12px;
}
.faq-item.active {
    background: #FAFBFC;
    box-shadow: inset 3px 0 0 var(--primary);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    user-select: none;
    transition: color .2s ease;
}
.faq-question:hover {
    color: var(--primary);
}
.faq-question .icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-weak);
    font-size: 16px;
    transition: all .3s ease;
}
.faq-item.active .faq-question .icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}
.faq-answer-inner {
    padding: 0 28px 22px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-weak);
    text-align: left;
}
/* ======== CTA / Contact ======== */
.contact-section {
    background: var(--ink);
    padding: 0;
}
.contact-banner {
    background: linear-gradient(115deg, #F0562C 0%, #D83A16 55%, #B82506 100%);
    border-radius: 18px;
    padding: 52px 56px;
    margin: 70px 0;
    position: relative;
    overflow: hidden;
}
.contact-banner::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -30px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}
.contact-banner::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: 30%;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .05);
}
.contact-banner .banner-row {
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 1;
}
.contact-banner .banner-text {
    flex: 1.1;
    color: #fff;
}
.contact-banner .banner-text h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -.5px;
    color: #fff;
}
.contact-banner .banner-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, .8);
    margin: 0;
}
.contact-form-wrap {
    flex: 0.9;
    background: rgba(255, 255, 255, .92);
    border-radius: 10px;
    padding: 28px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .18);
}
.contact-form-wrap .form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.contact-form-wrap .form-control {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    background: #fff;
    box-shadow: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form-wrap .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(240, 86, 44, .15);
    outline: none;
}
.contact-form-wrap textarea.form-control {
    resize: none;
    min-height: 80px;
}
.contact-form-wrap .btn-submit {
    width: 100%;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    transition: background .2s ease, box-shadow .2s ease;
}
.contact-form-wrap .btn-submit:hover {
    background: var(--primary-dark);
    box-shadow: 0 8px 20px rgba(240, 86, 44, .3);
}
/* ======== Footer ======== */
.site-footer {
    background: #0B0F13;
    padding: 64px 0 0;
    color: #8C959E;
}
.footer-top {
    display: flex;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-col {
    flex: 1;
}
.footer-col:first-child {
    flex: 1.4;
}
.footer-brand {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: .4px;
}
.footer-brand span {
    color: var(--gold);
}
.footer-col p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 0;
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links a {
    color: #8C959E;
    font-size: 14px;
    transition: color .2s ease;
}
.footer-links a:hover {
    color: var(--primary);
}
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}
.footer-contact i {
    color: var(--gold);
    font-size: 16px;
    margin-top: 2px;
}
.footer-qr {
    width: 120px;
    height: 120px;
    background: #1B232C;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .6);
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, .08);
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}
.footer-qr i {
    font-size: 34px;
    color: rgba(255, 255, 255, .35);
}
.footer-qr-text {
    font-size: 12px;
    color: rgba(255, 255, 255, .4);
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .06);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, .3);
    text-align: center;
}
/* ======== Responsive ======== */
@media (max-width: 991px) {
    .hero-row {
        flex-direction: column;
        gap: 40px;
        padding-bottom: 48px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-content .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-visual {
        max-width: 560px;
        margin: 0 auto;
    }
    .case-row {
        flex-direction: column;
        gap: 32px;
    }
    .case-row:nth-child(even) {
        flex-direction: column;
    }
    .solution-flow {
        gap: 20px;
    }
    .solution-flow::before {
        display: none;
    }
    .contact-banner .banner-row {
        flex-direction: column;
    }
    .footer-top {
        flex-wrap: wrap;
        gap: 32px;
    }
    .footer-col {
        flex: 0 0 calc(50% - 16px) !important;
    }
}
@media (max-width: 767px) {
    :root {
        --space: 56px;
    }
    .section-head h2 {
        font-size: 28px;
    }
    .navbar-wrap {
        min-height: 64px;
    }
    .brand-text {
        font-size: 17px;
    }
    .nav-chips-wrap {
        justify-content: flex-start;
    }
    .hero {
        padding-top: 56px;
    }
    .hero-content h1 {
        font-size: 34px;
    }
    .hero-content .hero-sub {
        font-size: 15px;
    }
    .hero-data .data-grid {
        flex-wrap: wrap;
        gap: 16px 0;
    }
    .hero-data .data-item {
        flex: 0 0 50%;
        padding: 8px 10px;
    }
    .hero-data .data-item + .data-item::before {
        display: none;
    }
    .stats-row {
        flex-wrap: wrap;
        gap: 24px 0;
    }
    .stat-item {
        flex: 0 0 50%;
        padding: 8px 10px;
    }
    .stat-item + .stat-item::before {
        display: none;
    }
    .solution-flow {
        flex-direction: column;
        align-items: center;
        gap: 36px;
    }
    .news-list-item .news-excerpt {
        display: none;
    }
    .news-list-item a {
        gap: 10px;
    }
    .contact-banner {
        padding: 32px 24px;
        margin: 40px 0;
    }
    .contact-banner .banner-text h2 {
        font-size: 24px;
    }
    .footer-col {
        flex: 0 0 100% !important;
    }
}
@media (max-width: 575px) {
    .hero-actions .btn-primary-main,
    .hero-actions .btn-outline-light {
        width: 100%;
    }
    .service-card .card-img {
        height: 180px;
    }
    .service-card p {
        min-height: 0;
    }
    .case-row .case-img img {
        height: 240px;
    }
    .solution-step p {
        max-width: 100%;
    }
    .news-featured .news-featured__img {
        height: 200px;
    }
    .news-list-item .news-date {
        width: 60px;
        font-size: 11px;
    }
    .faq-question {
        padding: 18px 18px;
        font-size: 15px;
    }
    .faq-answer-inner {
        padding: 0 18px 18px;
        font-size: 14px;
    }
}

/* roulang page: category1 */
:root {
    --primary: #F0562C;
    --primary-dark: #C94520;
    --dark: #0F151B;
    --dark-2: #0B0F13;
    --gold: #D4A853;
    --gold-bg: #F8F0E0;
    --gold-text: #A6771E;
    --light-bg: #F6F7F9;
    --text: #2A2E34;
    --text-weak: #6C757D;
    --border-light: #E9ECEF;
    --border-dark: rgba(255,255,255,.1);
    --radius-card: 14px;
    --radius-btn: 6px;
    --radius-active: 100px;
    --shadow: 0 2px 8px rgba(15,21,27,.05), 0 0 0 1px rgba(15,21,27,.03);
    --shadow-hover: 0 12px 32px rgba(15,21,27,.12);
    --transition: all .25s ease;
    --container: 1200px;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    max-width: 1200px;
    padding-left: 20px;
    padding-right: 20px;
    margin: 0 auto;
}

/* ========== Header / Nav ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 21, 27, .92);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.06);
    height: 68px;
}

.navbar-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 1px;
}

.brand-text {
    font-size: 21px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
}

.brand-text span {
    color: var(--gold);
    margin-left: 2px;
}

.nav-chips-wrap {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow: hidden;
    min-width: 0;
}

.nav-chips {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    white-space: nowrap;
}

.nav-chips::-webkit-scrollbar {
    display: none;
}

.chip-link {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 18px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    color: rgba(255,255,255,.78);
    background: transparent;
    position: relative;
    transition: var(--transition);
}

.chip-link:hover {
    background: rgba(255,255,255,.08);
    color: #fff;
}

.chip-link.active {
    background: rgba(255,255,255,.16);
    color: #fff;
}

.chip-link.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

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

.btn-cta {
    display: inline-flex;
    align-items: center;
    height: 44px;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(240,86,44,.3);
    color: #fff;
}

/* ========== Hero (分类页短Hero) ========== */
.page-hero {
    background: var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    background-blend-mode: overlay;
    position: relative;
    padding: 72px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-dark);
}

.page-hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.page-hero .hero-content {
    position: relative;
    z-index: 2;
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    line-height: 1.2;
    margin-bottom: 14px;
}

.page-hero h1 .highlight {
    color: var(--gold);
}

.page-hero .hero-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,.72);
    max-width: 620px;
    margin: 0 auto;
}

/* ========== 板块标题 ========== */
.section-block {
    padding: 80px 0;
}

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

.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.25;
    margin-bottom: 14px;
}

.section-head .head-line {
    display: block;
    width: 56px;
    height: 4px;
    background: var(--primary);
    border-radius: 4px;
    margin: 12px auto 0;
}

.section-head .head-desc {
    font-size: 15px;
    color: var(--text-weak);
    margin-top: 14px;
}

/* ========== 分类页1 混合网格 ========== */
.mix-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
    align-items: start;
}

.card-news-main {
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

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

.card-news-main .card-img {
    height: 320px;
    overflow: hidden;
}

.card-news-main .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-news-main .card-body {
    padding: 28px;
}

.card-news-main .card-body h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.35;
    margin: 14px 0 12px;
}

.card-news-main .card-body p {
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-news-main .card-body .news-meta {
    font-size: 13px;
    color: #aaa;
}

.card-news-side {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.card-news-sm {
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

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

.card-news-sm .card-img {
    height: 180px;
    overflow: hidden;
}

.card-news-sm .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-news-sm .card-content {
    padding: 20px;
}

.card-news-sm .card-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin: 10px 0 8px;
}

.card-news-sm .card-content p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag-pill {
    display: inline-block;
    height: 26px;
    padding: 0 12px;
    background: var(--gold-bg);
    color: var(--gold-text);
    font-size: 12px;
    font-weight: 700;
    line-height: 26px;
    border-radius: 100px;
    white-space: nowrap;
}

.news-meta {
    font-size: 13px;
    color: #aaa;
}

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

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

/* ========== 数据条 ========== */
.stats-bar {
    background: var(--dark);
    padding: 44px 0;
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.stat-item {
    text-align: center;
    padding: 8px 16px;
    border-right: 1px solid rgba(255,255,255,.1);
}

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

.stat-num {
    font-size: 40px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,.65);
    margin-top: 6px;
}

/* ========== 流程 ========== */
.flow-steps {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    position: relative;
    margin-bottom: 40px;
}

.flow-step {
    text-align: center;
    padding: 0 28px;
    position: relative;
}

.flow-step + .flow-step::before {
    content: "";
    position: absolute;
    top: 36px;
    left: -2px;
    width: 8px;
    height: 8px;
    border-top: 2px dashed var(--border-light);
    border-right: 2px dashed var(--border-light);
    transform: rotate(45deg);
}

.flow-step .step-num {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    display: block;
    margin-bottom: 14px;
}

.flow-step h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.flow-step p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.7;
}

.btn-outline-dark-custom {
    display: inline-flex;
    align-items: center;
    height: 44px;
    padding: 0 28px;
    border: 1px solid var(--text);
    color: var(--text);
    background: transparent;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.btn-outline-dark-custom:hover {
    background: var(--text);
    color: #fff;
}

/* ========== FAQ ========== */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.faq-item:first-child {
    border-top: 1px solid var(--border-light);
}

.faq-q {
    padding: 22px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    transition: var(--transition);
}

.faq-q i {
    font-size: 20px;
    color: var(--text-weak);
    transition: var(--transition);
}

.faq-item.open .faq-q i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-item.open .faq-q {
    color: var(--primary);
    border-left: 3px solid var(--primary);
    padding-left: 12px;
    background: var(--light-bg);
}

.faq-a {
    display: none;
    padding: 0 16px 22px;
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.75;
    text-align: left;
}

.faq-item.open .faq-a {
    display: block;
}

/* ========== CTA 联系 ========== */
.cta-section {
    background: var(--dark);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-bar {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(90deg, var(--primary) 0%, #D43A1A 100%);
    border-radius: 16px;
    padding: 48px 48px 56px;
    position: relative;
    z-index: 2;
    color: #fff;
}

.cta-bar h2 {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 10px;
}

.cta-bar .cta-desc {
    text-align: center;
    font-size: 15px;
    opacity: .9;
    margin-bottom: 36px;
}

.cta-form-card {
    background: rgba(255,255,255,.14);
    border-radius: 8px;
    padding: 24px;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.cta-form-card label {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
    display: block;
}

.cta-form-card .form-control {
    background: #fff;
    border: none;
    border-radius: 8px;
    height: 44px;
    font-size: 14px;
    padding: 0 14px;
    box-shadow: none !important;
}

.cta-form-card textarea.form-control {
    height: auto;
    padding: 12px 14px;
    resize: vertical;
}

.cta-form-card .form-control:focus {
    border: 2px solid var(--primary);
    box-shadow: 0 0 0 3px rgba(240,86,44,.15) !important;
}

.btn-white-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 32px;
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-white-solid:hover {
    background: var(--light-bg);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0,0,0,.15);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--dark-2);
    padding: 64px 0 0;
    color: rgba(255,255,255,.6);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}

.footer-brand span {
    color: var(--gold);
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,.55);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}

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

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

.footer-links a {
    color: rgba(255,255,255,.55);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-contact i {
    margin-right: 8px;
    color: var(--gold);
}

.footer-qr {
    width: 96px;
    height: 96px;
    background: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text);
    margin-bottom: 10px;
}

.footer-qr span {
    font-size: 12px;
    color: var(--text);
    margin-left: 2px;
}

.footer-qr-text {
    font-size: 14px;
    color: rgba(255,255,255,.6);
}

.footer-bottom {
    padding: 24px 0;
    font-size: 12px;
    color: rgba(255,255,255,.35);
    text-align: center;
    border-top: 1px solid rgba(255,255,255,.05);
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 44px;
    }
    .nav-chips-wrap {
        justify-content: flex-start;
    }
    .mix-grid {
        grid-template-columns: 1fr;
    }
    .card-news-main .card-img {
        height: 260px;
    }
    .card-news-side {
        grid-template-columns: 1fr 1fr;
    }
    .flow-steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .flow-step + .flow-step::before {
        display: none;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 0;
    }
    .stat-item {
        border-right: none;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
    .case-item {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .section-block {
        padding: 48px 0;
    }
    .page-hero h1 {
        font-size: 32px;
    }
    .card-news-side {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-num {
        font-size: 32px;
    }
    .flow-step {
        padding: 0 16px;
    }
    .cta-bar {
        padding: 32px 20px;
        border-radius: 12px;
    }
    .footer-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }
    .btn-cta {
        padding: 0 16px;
        font-size: 13px;
    }
    .chip-link {
        padding: 0 14px;
        font-size: 14px;
    }
    .page-hero {
        padding: 52px 0;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .card-news-main .card-img {
        height: 200px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .stat-item {
        padding: 4px;
    }
    .stat-num {
        font-size: 28px;
    }
    .footer-qr {
        width: 80px;
        height: 80px;
        font-size: 40px;
    }
    .btn-white-solid {
        width: 100%;
    }
}

/* roulang page: article */
:root {
    --primary: #F0562C;
    --primary-dark: #C94520;
    --primary-deep: #A6381A;
    --gold: #D4A853;
    --gold-bg: #F8F0E0;
    --gold-text: #A6771E;
    --dark: #0F151B;
    --darker: #0B0F13;
    --light-bg: #F6F7F9;
    --body-text: #2A2E34;
    --muted-text: #6C757D;
    --border-light: #E9ECEF;
    --border-dark: rgba(255,255,255,.1);
    --radius-card: 14px;
    --radius-btn: 6px;
    --radius-chip: 100px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(15,21,27,.05);
    --shadow-hover: 0 12px 32px rgba(15,21,27,.12);
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--body-text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}

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

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

.container {
    max-width: 1200px;
}

.row {
    --bs-gutter-x: 24px;
}

.section-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--body-text);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 56px;
    height: 4px;
    background: var(--primary);
    border-radius: 4px;
}

/* 阅读进度条 */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    z-index: 2000;
    transition: width .1s linear;
}

/* 顶部导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 21, 27, .92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-dark);
}

.navbar-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    height: 70px;
}

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

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(240, 86, 44, .35);
}

.brand-text {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
    line-height: 1.2;
}

.brand-text span {
    color: var(--gold);
    font-weight: 700;
}

.nav-chips-wrap {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
}

.nav-chips-wrap::-webkit-scrollbar {
    display: none;
}

.nav-chips {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
}

.chip-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: var(--radius-chip);
    color: rgba(255, 255, 255, .75);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    background: transparent;
    border: 1px solid transparent;
    transition: all .25s ease;
}

.chip-link:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    text-decoration: none;
}

.chip-link.active {
    background: rgba(255, 255, 255, .16);
    color: #fff;
    position: relative;
}

.chip-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

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

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    transition: all .25s ease;
    gap: 6px;
    white-space: nowrap;
}

.btn-cta:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 8px 20px rgba(240, 86, 44, .35);
    transform: translateY(-1px);
}

/* 面包屑 */
.breadcrumb-bar {
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-light);
    padding: 13px 0;
}

.breadcrumb {
    margin: 0;
    padding: 0;
    font-size: 13px;
    --bs-breadcrumb-divider-color: var(--muted-text);
    --bs-breadcrumb-item-active-color: #343A40;
}

.breadcrumb a {
    color: var(--muted-text);
    text-decoration: none;
    transition: color .2s;
}

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

.breadcrumb-item.active {
    font-weight: 500;
    color: #343A40;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 文章 Hero */
.article-hero {
    position: relative;
    padding: 88px 0 72px;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(10, 14, 19, .87), rgba(15, 21, 27, .93)),
        url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}

.article-hero .container {
    position: relative;
    z-index: 1;
}

.hero-cat-chip {
    display: inline-block;
    background: rgba(212, 168, 83, .15);
    border: 1px solid rgba(212, 168, 83, .35);
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 18px;
    border-radius: var(--radius-chip);
    margin-bottom: 22px;
    letter-spacing: .5px;
}

.article-hero h1 {
    color: #fff;
    font-size: 40px;
    font-weight: 800;
    line-height: 1.25;
    max-width: 900px;
    margin: 0 auto 26px;
    letter-spacing: .5px;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    color: rgba(255, 255, 255, .68);
    font-size: 14px;
}

.article-meta i {
    margin-right: 5px;
    color: var(--gold);
}

.meta-chip {
    background: rgba(212, 168, 83, .15);
    border: 1px solid rgba(212, 168, 83, .3);
    color: var(--gold);
    padding: 3px 14px;
    border-radius: var(--radius-chip);
    font-size: 13px;
    font-weight: 500;
}

.meta-views {
    display: inline-flex;
    align-items: center;
}

/* 正文区 */
.article-section {
    padding: 48px 0 64px;
    background: var(--light-bg);
}

.article-body-card {
    max-width: 880px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 48px 52px;
    position: relative;
    overflow: hidden;
}

.article-body-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
}

.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--body-text);
}

.article-content p {
    margin-bottom: 24px;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--body-text);
    margin: 42px 0 18px;
    line-height: 1.35;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--body-text);
    margin: 34px 0 16px;
    line-height: 1.4;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--body-text);
    margin: 28px 0 14px;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
}

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

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 28px auto;
    box-shadow: var(--shadow-sm);
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--light-bg);
    padding: 18px 24px;
    margin: 28px 0;
    border-radius: 0 10px 10px 0;
    color: var(--muted-text);
    font-size: 16px;
    line-height: 1.75;
    position: relative;
}

.article-content ul,
.article-content ol {
    margin-bottom: 24px;
    padding-left: 26px;
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.8;
}

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

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--border-light);
    padding: 10px 14px;
    text-align: left;
}

.article-content table th {
    background: var(--light-bg);
    font-weight: 700;
    color: var(--body-text);
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: 32px 0;
}

.article-content iframe {
    max-width: 100%;
    border-radius: 10px;
    margin: 24px 0;
    border: none;
}

/* 文章分享与结束标识 */
.article-end {
    text-align: center;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
    color: var(--muted-text);
    font-size: 13px;
}

.article-end i {
    color: var(--gold);
    margin-right: 6px;
}

.article-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
}

.share-label {
    font-size: 13px;
    color: var(--muted-text);
    margin-right: 4px;
}

.article-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--light-bg);
    color: var(--muted-text);
    font-size: 15px;
    transition: all .25s ease;
    text-decoration: none;
}

.article-share a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(240, 86, 44, .25);
}

/* 未找到 */
.article-notfound {
    text-align: center;
    padding: 60px 20px;
}

.article-notfound .nf-icon {
    font-size: 56px;
    color: #C8CDD2;
    display: block;
    margin-bottom: 20px;
}

.article-notfound h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--body-text);
    margin-bottom: 8px;
}

.article-notfound p {
    color: var(--muted-text);
    font-size: 14px;
    margin-bottom: 26px;
}

.btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 28px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: none;
    text-decoration: none;
    transition: all .25s ease;
    gap: 8px;
}

.btn-main:hover {
    background: var(--primary-dark);
    color: #fff;
    box-shadow: 0 8px 22px rgba(240, 86, 44, .35);
    transform: translateY(-1px);
}

/* 上一篇/下一篇 */
.pn-section {
    background: var(--light-bg);
    padding-bottom: 64px;
}

.pn-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 24px 50px;
    text-decoration: none;
    min-height: 88px;
    border-left: 3px solid transparent;
    transition: all .3s ease;
    position: relative;
    height: 100%;
}

.pn-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-left-color: var(--primary);
    text-decoration: none;
}

.pn-card.pn-next {
    border-left: none;
    border-right: 3px solid transparent;
    text-align: right;
}

.pn-card.pn-next:hover {
    border-left: none;
    border-right-color: var(--primary);
}

.pn-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted-text);
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.pn-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--body-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.5;
}

.pn-card:hover .pn-title {
    color: var(--primary);
}

.pn-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--primary);
    transition: transform .3s ease;
}

.pn-card.pn-prev .pn-arrow {
    left: 18px;
}

.pn-card.pn-next .pn-arrow {
    right: 18px;
}

.pn-card.pn-prev:hover .pn-arrow {
    transform: translateY(-50%) translateX(-3px);
}

.pn-card.pn-next:hover .pn-arrow {
    transform: translateY(-50%) translateX(3px);
}

/* 相关资讯 */
.related-section {
    padding: 70px 0 80px;
    background: #fff;
}

.related-card {
    display: block;
    height: 100%;
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .35s ease;
    text-decoration: none;
}

.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    text-decoration: none;
}

.related-card .card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-light);
}

.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
}

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

.related-card .card-body {
    padding: 22px 24px 26px;
}

.card-chip {
    display: inline-block;
    background: var(--gold-bg);
    color: var(--gold-text);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: var(--radius-chip);
    margin-bottom: 12px;
    letter-spacing: .5px;
}

.related-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--body-text);
    line-height: 1.5;
    margin-bottom: 10px;
    transition: color .25s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.related-card p {
    font-size: 14px;
    color: var(--muted-text);
    line-height: 1.7;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* CTA 区域 */
.cta-section {
    background: var(--dark);
    padding: 76px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, .4), transparent);
}

.cta-wrap {
    background: linear-gradient(90deg, var(--primary) 0%, #D43A1A 55%, var(--primary-dark) 100%);
    border-radius: 18px;
    padding: 48px 52px;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 44px;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
}

.cta-wrap::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    pointer-events: none;
}

.cta-wrap::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -40px;
    width: 260px;
    height: 260px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 50%;
    pointer-events: none;
}

.cta-info {
    position: relative;
    z-index: 1;
}

.cta-info h3 {
    color: #fff;
    font-size: 27px;
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1.3;
}

.cta-info > p {
    color: rgba(255, 255, 255, .92);
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.7;
}

.cta-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cta-points li {
    color: #fff;
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cta-points li i {
    color: var(--gold);
    font-size: 16px;
}

.cta-form-card {
    background: rgba(255, 255, 255, .96);
    border-radius: 14px;
    padding: 30px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .18);
    position: relative;
    z-index: 2;
}

.cta-form-card h4 {
    font-size: 19px;
    font-weight: 800;
    color: var(--body-text);
    margin-bottom: 4px;
}

.cta-form-card > p {
    font-size: 13px;
    color: var(--muted-text);
    margin-bottom: 20px;
    line-height: 1.5;
}

.cta-form .form-control {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    height: 42px;
    font-size: 14px;
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
}

.cta-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(240, 86, 44, .15);
}

.cta-form textarea.form-control {
    height: auto;
    resize: none;
    line-height: 1.5;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all .25s ease;
}

.btn-submit:hover {
    background: var(--primary-dark);
    box-shadow: 0 8px 20px rgba(240, 86, 44, .35);
    transform: translateY(-1px);
}

/* 页脚 */
.site-footer {
    background: var(--darker);
    padding: 64px 0 0;
    color: #9CA3AF;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.footer-brand {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: .5px;
}

.footer-brand span {
    color: var(--gold);
}

.footer-col p {
    font-size: 14px;
    line-height: 1.75;
    color: #9CA3AF;
    margin-bottom: 0;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

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

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

.footer-links a {
    color: #9CA3AF;
    font-size: 14px;
    text-decoration: none;
    transition: color .2s ease;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: #9CA3AF;
    margin-bottom: 10px;
}

.footer-contact i {
    color: var(--gold);
    margin-top: 3px;
}

.footer-qr {
    width: 92px;
    height: 92px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, .12);
    background: rgba(255, 255, 255, .03);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    color: rgba(255, 255, 255, .45);
    margin-bottom: 10px;
    transition: border-color .2s;
}

.footer-qr:hover {
    border-color: rgba(212, 168, 83, .4);
}

.footer-qr i {
    font-size: 34px;
    color: rgba(255, 255, 255, .35);
}

.footer-qr span {
    font-size: 11px;
    letter-spacing: 1px;
}

.footer-qr-text {
    font-size: 12px;
    color: #9CA3AF;
}

.footer-bottom {
    padding: 18px 0;
    font-size: 12px;
    color: rgba(255, 255, 255, .35);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, .04);
    letter-spacing: .5px;
}

/* 响应式断点 */
@media (max-width: 992px) {
    .nav-chips-wrap {
        flex: none;
    }

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

    .article-hero h1 {
        font-size: 34px;
    }

    .article-body-card {
        padding: 36px 28px;
    }

    .cta-wrap {
        grid-template-columns: 1fr;
        padding: 40px 30px;
        gap: 32px;
    }

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

@media (max-width: 768px) {
    .site-header {
        position: relative;
    }

    .navbar-wrap {
        height: auto;
        flex-wrap: wrap;
        padding: 12px 0;
    }

    .brand-logo {
        order: 1;
    }

    .header-cta {
        order: 2;
        margin-left: auto;
    }

    .nav-chips-wrap {
        order: 3;
        width: 100%;
        margin-top: 10px;
    }

    .nav-chips {
        padding: 2px 0 4px;
    }

    .breadcrumb-bar {
        overflow-x: auto;
    }

    .breadcrumb {
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .article-hero {
        padding: 64px 0 52px;
    }

    .article-hero h1 {
        font-size: 28px;
        line-height: 1.35;
    }

    .article-section {
        padding: 28px 0 40px;
    }

    .article-body-card {
        padding: 28px 20px;
        border-radius: 10px;
    }

    .article-content {
        font-size: 15px;
        line-height: 1.8;
    }

    .article-content blockquote {
        padding: 14px 18px;
        font-size: 15px;
    }

    .pn-card {
        padding: 18px 42px;
        min-height: 76px;
    }

    .related-section {
        padding: 48px 0 56px;
    }

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

    .cta-section {
        padding: 48px 0;
    }

    .cta-wrap {
        padding: 32px 24px;
        border-radius: 12px;
    }

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 32px;
    }
}

@media (max-width: 576px) {
    .header-cta .btn-cta {
        padding: 0 16px;
        height: 38px;
        font-size: 13px;
    }

    .brand-text {
        font-size: 18px;
    }

    .article-hero h1 {
        font-size: 24px;
    }

    .article-hero {
        padding: 48px 0 40px;
    }

    .article-meta {
        gap: 10px 14px;
        font-size: 13px;
    }

    .article-body-card {
        padding: 24px 16px;
    }

    .breadcrumb-item.active {
        max-width: 160px;
    }

    .pn-card {
        min-height: 72px;
        padding: 14px 38px;
    }

    .pn-label {
        font-size: 11px;
    }

    .pn-title {
        font-size: 14px;
    }

    .btn-main {
        width: 100%;
    }

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

    .cta-points {
        text-align: left;
    }
}

/* 焦点可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

/* roulang page: category2 */
:root {
            --primary: #F0562C;
            --primary-hover: #C94520;
            --dark: #0F151B;
            --darker: #0B0F13;
            --gold: #D4A853;
            --gold-bg: #F8F0E0;
            --gold-text: #A6771E;
            --light: #F6F7F9;
            --text: #2A2E34;
            --muted: #6C757D;
            --border-light: #E9ECEF;
            --border-dark: rgba(255, 255, 255, .1);
            --radius-lg: 14px;
            --radius-md: 6px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(15, 21, 27, .05), 0 0 0 1px rgba(15, 21, 27, .03);
            --shadow-hover: 0 12px 32px rgba(15, 21, 27, .12);
            --transition: .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: #fff;
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 头部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 21, 27, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
        }

        .navbar-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
        }

        .brand-text span {
            color: var(--gold);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .chip-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 100px;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            background: transparent;
            border: 0;
        }

        .chip-link:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        .chip-link.active {
            background: rgba(255, 255, 255, .16);
            color: #fff;
        }

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

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

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 44px;
            padding: 0 24px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 18px rgba(240, 86, 44, .35);
            color: #fff;
        }

        /* 分类页 Hero */
        .cat-hero {
            position: relative;
            padding: 80px 0 90px;
            background: var(--dark);
            overflow: hidden;
            color: #fff;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
            background-size: 44px 44px;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: .18;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .cat-hero h1 .accent {
            color: var(--gold);
        }

        .cat-hero .subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            line-height: 1.8;
        }

        /* 通用板块 */
        .section-block {
            padding: 80px 0;
        }

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

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            position: relative;
            padding-bottom: 16px;
            margin-bottom: 14px;
        }

        .section-head h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-head-center {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-head-center h2::after {
            left: 50%;
            transform: translateX(-50%);
        }

        .section-head-center h2 {
            display: inline-block;
        }

        .section-head p {
            color: var(--muted);
            font-size: 16px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 卖点 strip */
        .features-strip {
            background: var(--light);
            border-bottom: 1px solid var(--border-light);
        }

        .feature-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
        }

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

        .feature-item i {
            font-size: 34px;
            color: var(--primary);
            margin-bottom: 16px;
            display: block;
        }

        .feature-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* 服务卡片网格 */
        .service-cards-section {
            background: #fff;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .card-media {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #f0f1f3;
        }

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

        .service-card:hover .card-media img {
            transform: scale(1.04);
        }

        .card-index {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 15, 19, .82);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: .04em;
            backdrop-filter: blur(4px);
        }

        .heat-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 100px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            box-shadow: 0 4px 12px rgba(240, 86, 44, .35);
        }

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

        .card-tags {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-chip {
            display: inline-flex;
            align-items: center;
            background: var(--gold-bg);
            color: var(--gold-text);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: .02em;
        }

        .card-date {
            font-size: 13px;
            color: #9aa1a7;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .card-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* 适用场景 */
        .scenes-section {
            background: var(--dark);
            color: #fff;
        }

        .scenes-section .section-head h2 {
            color: #fff;
        }

        .scenes-section .section-head h2::after {
            background: var(--gold);
        }

        .scenes-section .section-head p {
            color: rgba(255, 255, 255, .6);
        }

        .scene-card {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all var(--transition);
            height: 100%;
        }

        .scene-card:hover {
            background: rgba(255, 255, 255, .07);
            border-color: var(--gold);
            transform: translateY(-4px);
        }

        .scene-calendar {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            border: 1px solid rgba(212, 168, 83, .6);
            color: var(--gold);
            font-size: 12px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .scene-calendar strong {
            font-size: 16px;
            display: block;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scene-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.7;
            margin: 0;
        }

        /* 流程步骤 */
        .process-section {
            background: var(--light);
        }

        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            margin-bottom: 40px;
        }

        .process-wrap::before {
            content: "";
            position: absolute;
            top: 34px;
            left: 12%;
            right: 12%;
            border-top: 2px dashed #d5d9de;
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--light);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
            box-shadow: 0 6px 20px rgba(15, 21, 27, .08);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--muted);
            max-width: 220px;
            margin: 0 auto;
            line-height: 1.65;
        }

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

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 46px;
            padding: 0 30px;
            border: 1px solid var(--text);
            border-radius: var(--radius-md);
            color: var(--text);
            font-size: 15px;
            font-weight: 700;
            background: transparent;
            transition: all var(--transition);
        }

        .btn-outline-dark:hover {
            background: var(--text);
            color: #fff;
            box-shadow: 0 8px 20px rgba(15, 21, 27, .15);
        }

        /* 数据条 */
        .stats-section {
            background: var(--dark);
            padding: 64px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }

        .stats-item {
            text-align: center;
            padding: 0 20px;
            border-left: 1px solid rgba(255, 255, 255, .1);
        }

        .stats-item:first-child {
            border-left: 0;
        }

        .stats-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stats-num span {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
        }

        .stats-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .05em;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }

        .faq-container {
            max-width: 880px;
            margin: 0 auto;
        }

        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-btn-padding-x: 0;
            --bs-accordion-btn-padding-y: 20px;
            --bs-accordion-body-padding-x: 0;
            --bs-accordion-body-padding-y: 0 0 22px 0;
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-active-bg: transparent;
            --bs-accordion-active-color: var(--text);
            --bs-accordion-btn-focus-box-shadow: none;
            --bs-accordion-btn-icon-width: 1.2rem;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0 !important;
            background: transparent;
        }

        .accordion-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            background: transparent;
            box-shadow: none;
            transition: all var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: #F9F8F6;
            box-shadow: inset 3px 0 0 0 var(--primary);
            color: var(--text);
        }

        .accordion-button:hover {
            background: rgba(240, 86, 44, .04);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F0562C'%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-body {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            background: #F9F8F6;
            box-shadow: inset 3px 0 0 0 var(--primary);
        }

        /* CTA 联系区域 */
        .cta-section {
            background: var(--darker);
            padding: 80px 0;
        }

        .cta-inner {
            background: linear-gradient(100deg, #F0562C 0%, #C94520 70%, #B33A18 100%);
            border-radius: 20px;
            padding: 52px 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            box-shadow: 0 16px 40px rgba(240, 86, 44, .28);
        }

        .cta-copy h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, .88);
            font-size: 15px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 46px;
            padding: 0 32px;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 800;
            transition: all var(--transition);
            border: 0;
        }

        .btn-white:hover {
            background: var(--dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(15, 21, 27, .25);
            transform: translateY(-2px);
        }

        .cta-form-card {
            background: rgba(255, 255, 255, .92);
            border-radius: 16px;
            padding: 32px;
            backdrop-filter: blur(4px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
        }

        .contact-form .form-group {
            margin-bottom: 16px;
        }

        .contact-form label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: #333;
            margin-bottom: 6px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            border: 1px solid #d5d9de;
            border-radius: 8px;
            padding: 11px 14px;
            font-size: 14px;
            background: #fff;
            color: var(--text);
            transition: all var(--transition);
            outline: none;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(240, 86, 44, .15);
        }

        .contact-form textarea {
            resize: none;
            min-height: 70px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            width: 100%;
            height: 44px;
            background: var(--primary);
            border: 0;
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-primary-custom:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 18px rgba(240, 86, 44, .32);
        }

        /* 页脚 */
        .site-footer {
            background: var(--darker);
            color: rgba(255, 255, 255, .7);
            padding-top: 64px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand span {
            color: var(--gold);
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--gold);
        }

        .footer-qr {
            width: 88px;
            height: 88px;
            border: 1px dashed rgba(255, 255, 255, .25);
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            color: rgba(255, 255, 255, .5);
            font-size: 12px;
            margin-bottom: 8px;
        }

        .footer-qr i {
            font-size: 32px;
        }

        .footer-qr-text {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
            border-top: 1px solid var(--border-dark);
            margin-top: -1px;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .navbar-wrap {
                gap: 12px;
            }

            .nav-chips-wrap {
                justify-content: flex-start;
                overflow-x: auto;
            }

            .nav-chips {
                flex-wrap: nowrap;
            }

            .chip-link {
                padding: 8px 14px;
                font-size: 13px;
            }

            .header-cta .btn-cta {
                padding: 0 18px;
                font-size: 13px;
            }

            .cat-hero h1 {
                font-size: 38px;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                padding: 40px 32px;
            }

            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 24px;
            }

            .process-wrap::before {
                display: none;
            }

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

        @media (max-width: 768px) {
            .section-block,
            .cta-section {
                padding: 48px 0;
            }

            .cat-hero {
                padding: 56px 0 64px;
            }

            .cat-hero h1 {
                font-size: 32px;
            }

            .cat-hero .subtitle {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 26px;
            }

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

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 24px 0;
            }

            .stats-item {
                border-left: 0;
                padding: 0 12px;
            }

            .stats-num {
                font-size: 36px;
            }

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

            .cta-inner {
                padding: 32px 20px;
                border-radius: 14px;
            }
        }

        @media (max-width: 576px) {
            .navbar-wrap {
                height: 64px;
            }

            .brand-text {
                font-size: 18px;
            }

            .header-cta .btn-cta {
                padding: 0 14px;
                font-size: 13px;
                height: 38px;
            }

            .nav-chips .chip-link {
                padding: 7px 12px;
                font-size: 13px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .service-card .card-body-custom {
                padding: 20px;
            }

            .card-title {
                font-size: 18px;
            }

            .process-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .stats-num {
                font-size: 30px;
            }

            .stats-label {
                font-size: 13px;
            }

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

            .btn-white,
            .btn-outline-dark {
                width: 100%;
                justify-content: center;
            }

            .cta-form-card {
                padding: 24px 20px;
            }

            .footer-brand {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #F0562C;
            --primary-dark: #C94520;
            --dark: #0F151B;
            --dark-2: #0B0F13;
            --gold: #D4A853;
            --gold-light: #F8F0E0;
            --gold-dark: #A6771E;
            --bg-light: #F6F7F9;
            --white: #FFFFFF;
            --text-main: #2A2E34;
            --text-muted: #6C757D;
            --border-light: #E9ECEF;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-btn: 6px;
            --shadow: 0 2px 8px rgba(15, 21, 27, .05), 0 0 0 1px rgba(15, 21, 27, .03);
            --shadow-hover: 0 12px 32px rgba(15, 21, 27, .12);
            --spacing: 80px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 21, 27, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .navbar-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-text span {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-chips-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 16px;
            white-space: nowrap;
        }
        .chip-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, .75);
            transition: background .2s, color .2s;
            position: relative;
        }
        .chip-link:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }
        .chip-link.active {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            font-weight: 600;
        }
        .chip-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 4px;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border: none;
            transition: background .25s, box-shadow .25s;
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(240, 86, 44, .3);
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            background: var(--dark);
            padding: 90px 0 80px;
            overflow: hidden;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
            background-size: 32px 32px;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(255, 255, 255, .12);
        }
        .cat-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .cat-hero-chip {
            display: inline-block;
            background: var(--gold-light);
            color: var(--gold-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 18px;
            border-radius: 100px;
            margin-bottom: 20px;
        }
        .cat-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: 1px;
        }
        .cat-hero h1 span {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, .7);
            margin-top: 16px;
            max-width: 520px;
            line-height: 1.7;
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing) 0;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            position: relative;
            padding-bottom: 18px;
        }
        .section-head h2::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 56px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* ===== Data List Cards (Category 3 layout) ===== */
        .data-list-section {
            background: var(--bg-light);
        }
        .data-list-items {
            display: flex;
            flex-direction: column;
            gap: 48px;
        }
        .data-list-card {
            display: flex;
            gap: 32px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px;
            transition: box-shadow .35s ease, transform .35s ease;
        }
        .data-list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .data-list-thumb {
            width: 240px;
            height: 160px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .data-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .data-list-card:hover .data-list-thumb img {
            transform: scale(1.04);
        }
        .data-list-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
            min-width: 0;
        }
        .data-list-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .chip-gold {
            background: var(--gold-light);
            color: var(--gold-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 100px;
            display: inline-block;
            line-height: 1.5;
        }
        .data-list-time {
            font-size: 13px;
            color: var(--text-muted);
        }
        .data-list-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-top: 4px;
        }
        .data-list-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .data-list-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color .2s;
        }
        .data-list-link:hover {
            color: var(--primary-dark);
        }

        /* ===== Stats Band ===== */
        .stats-band {
            background: var(--dark);
            padding: 64px 0;
        }
        .stats-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .stat-item {
            flex: 1;
            text-align: center;
            padding: 0 8px;
        }
        .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.15;
            letter-spacing: 1px;
        }
        .stat-num small {
            font-size: 24px;
            font-weight: 700;
            margin-left: 2px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-top: 8px;
        }
        .stat-divider {
            width: 1px;
            height: 44px;
            background: rgba(255, 255, 255, .12);
            flex-shrink: 0;
        }

        /* ===== Scenarios ===== */
        .scenarios-section {
            background: var(--white);
        }
        .scenario-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            text-align: center;
            height: 100%;
            transition: box-shadow .3s, transform .3s;
            border: 1px solid transparent;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: var(--gold-light);
            color: var(--gold-dark);
            font-size: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        .scenario-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-light);
        }
        .process-steps {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            gap: 32px;
            position: relative;
            margin-bottom: 48px;
        }
        .process-step {
            flex: 1;
            text-align: center;
            padding: 32px 24px;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            position: relative;
            transition: box-shadow .3s, transform .3s;
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .process-num {
            font-family: Georgia, "Times New Roman", serif;
            font-size: 48px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
            display: block;
            margin-bottom: 12px;
        }
        .process-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(240, 86, 44, .1);
            color: var(--primary);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .process-line {
            width: 60px;
            height: 1px;
            border-top: 2px dashed var(--border-light);
            margin-top: 80px;
            flex-shrink: 0;
        }
        .process-cta {
            text-align: center;
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--dark);
            background: transparent;
            color: var(--dark);
            font-size: 15px;
            font-weight: 700;
            transition: background .25s, color .25s, box-shadow .25s;
        }
        .btn-outline-dark:hover {
            background: var(--dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(15, 21, 27, .18);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--white);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            border-top: 1px solid var(--border-light);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            transition: background .3s, box-shadow .3s;
            position: relative;
        }
        .faq-item.active {
            background: #FAFAFA;
            box-shadow: inset 3px 0 0 var(--primary);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 22px 24px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer p {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== CTA Contact ===== */
        .cta-section {
            background: var(--dark);
            padding: 80px 0;
        }
        .cta-band {
            background: linear-gradient(100deg, var(--primary) 0%, #D0330C 100%);
            border-radius: var(--radius);
            padding: 48px;
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 35%;
            height: 100%;
            background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .cta-text {
            flex: 1;
            position: relative;
            z-index: 2;
            min-width: 0;
        }
        .cta-text h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            max-width: 380px;
        }
        .cta-form-card {
            flex: 1;
            max-width: 440px;
            background: rgba(255, 255, 255, .95);
            border-radius: 12px;
            padding: 28px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
            position: relative;
            z-index: 2;
        }
        .cta-form-card label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: block;
        }
        .cta-form-card .form-control {
            border: 1px solid #E2E6EA;
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            background: #fff;
            box-shadow: none;
            transition: border-color .2s, box-shadow .2s;
        }
        .cta-form-card .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(240, 86, 44, .15);
            outline: none;
        }
        .cta-form-card textarea.form-control {
            resize: none;
        }
        .btn-primary-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 44px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: none;
            transition: background .25s, box-shadow .25s;
            cursor: pointer;
        }
        .btn-primary-white:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(240, 86, 44, .35);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-2);
            padding-top: 64px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand span {
            color: var(--primary);
        }
        .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--primary);
            font-size: 15px;
        }
        .footer-qr {
            width: 88px;
            height: 88px;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .6);
            font-size: 36px;
            margin-bottom: 10px;
            border: 1px solid rgba(255, 255, 255, .12);
        }
        .footer-qr span {
            display: none;
        }
        .footer-qr-text {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .navbar-wrap {
                gap: 12px;
            }
            .nav-chips-wrap {
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .nav-chips {
                padding: 0 4px;
            }
            .data-list-card {
                flex-direction: column;
                gap: 20px;
            }
            .data-list-thumb {
                width: 100%;
                height: 220px;
            }
            .scenario-card {
                margin-bottom: 16px;
            }
            .process-steps {
                flex-direction: column;
                gap: 32px;
            }
            .process-line {
                width: 1px;
                height: 36px;
                border-top: none;
                border-left: 2px dashed var(--border-light);
                margin: 0 auto;
            }
            .cta-band {
                flex-direction: column;
                padding: 40px 24px;
            }
            .cta-form-card {
                width: 100%;
                max-width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing: 48px;
            }
            .site-header {
                height: auto;
            }
            .navbar-wrap {
                height: auto;
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .brand-logo {
                margin-right: auto;
            }
            .header-cta {
                display: none;
            }
            .nav-chips-wrap {
                width: 100%;
                order: 3;
                flex: 0 0 100%;
                padding-top: 4px;
            }
            .cat-hero h1 {
                font-size: 34px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .stats-row {
                flex-wrap: wrap;
                gap: 24px 0;
            }
            .stat-item {
                flex: 0 0 50%;
            }
            .stat-divider {
                display: none;
            }
            .stat-num {
                font-size: 38px;
            }
            .data-list-thumb {
                height: 180px;
            }
            .data-list-body h3 {
                font-size: 20px;
            }
            .process-step {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .cat-hero {
                padding: 60px 0 56px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .data-list-card {
                padding: 16px;
            }
            .data-list-thumb {
                height: auto;
                aspect-ratio: 16 / 10;
            }
            .data-list-body p {
                -webkit-line-clamp: 3;
            }
            .scenario-card {
                padding: 24px 20px;
            }
            .cta-band {
                padding: 32px 16px;
            }
            .cta-text h2 {
                font-size: 24px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .btn-cta {
                width: 100%;
                margin-top: 8px;
            }
            .faq-question {
                padding: 18px 16px;
                font-size: 15px;
            }
            .faq-answer p {
                padding: 0 16px 18px;
                font-size: 14px;
            }
            .footer-top {
                padding-bottom: 32px;
            }
        }