/* roulang page: index */
:root {
    --primary: #1E4D3B;
    --primary-light: #2E6B52;
    --primary-dark: #14362B;
    --accent: #F26522;
    --accent-hover: #D95214;
    --accent-soft: #FDE8DC;
    --accent-glow: rgba(242, 101, 34, 0.35);
    --bg: #F7F4EF;
    --card: #FFFFFF;
    --text: #222B26;
    --muted: #6B736E;
    --border: #E5E0D8;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(30, 77, 59, 0.06);
    --shadow-md: 0 8px 24px rgba(30, 77, 59, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.18);
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--accent);
}

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

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

/* Bootstrap 覆盖 */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
    border: 0;
    padding: 0 24px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #F26522, #F28B3D);
    color: #fff;
    box-shadow: 0 4px 12px rgba(242, 101, 34, 0.25);
}

.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, #F28B3D, #F26522);
    color: #fff;
    box-shadow: 0 6px 16px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 3px 8px rgba(242, 101, 34, 0.3);
}

.btn-outline-brand {
    background: #fff;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    height: 48px;
}

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

.btn-ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.9);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 0;
    padding: 0 0 4px;
    height: auto;
}

.btn-ghost:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border: 1px solid #D8D2C8;
    height: 46px;
    font-size: 15px;
    background: #fff;
    color: var(--text);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.12) !important;
    outline: none;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: #fff;
}

.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.modal-body {
    padding: 24px;
}

.modal-sub {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 20px;
}

/* 导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1045;
    background: var(--card);
    box-shadow: 0 2px 12px rgba(30, 77, 59, 0.06);
    border-bottom: 1px solid rgba(229, 224, 216, 0.4);
}

.site-header .navbar {
    padding: 12px 0;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-family: "Inter", "Arial", sans-serif;
    font-weight: 800;
    font-size: 18px;
    margin-right: 8px;
    flex-shrink: 0;
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    font-family: "Inter", "PingFang SC", sans-serif;
    letter-spacing: 0.5px;
}

.brand-text em {
    font-style: normal;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-left: 4px;
    letter-spacing: 1px;
}

.navbar-nav .nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    padding: 8px 20px;
    position: relative;
    transition: color var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: transform var(--transition);
}

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

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

.navbar-nav .nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    width: 180px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0 36px 0 14px;
    font-size: 14px;
    background: var(--bg);
    transition: all var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 77, 59, 0.10);
    background: #fff;
}

.search-box button {
    position: absolute;
    right: 4px;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    border-radius: 50%;
    transition: color var(--transition);
}

.search-box button:hover {
    color: var(--accent);
}

.nav-login {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    padding: 8px 4px;
}

.nav-login:hover {
    color: var(--accent);
}

.nav-cta {
    height: 38px;
    font-size: 14px;
    padding: 0 20px;
    white-space: nowrap;
}

.navbar-toggler {
    border: none;
    padding: 8px 10px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%231E4D3B' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 22px;
    height: 22px;
}

/* Hero */
.hero {
    background: linear-gradient(90deg, rgba(30, 77, 59, 0.92) 0%, rgba(30, 77, 59, 0.60) 50%, rgba(30, 77, 59, 0.30) 100%),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    min-height: 560px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-inner {
    padding: 64px 0;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: none;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.hero-sub {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.90);
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-actions .btn-primary {
    height: 48px;
    font-size: 16px;
}

.hero-actions .btn-ghost {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.92);
    border-bottom: 2px solid rgba(255, 255, 255, 0.4);
}

.hero-metrics {
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    z-index: 2;
}

.metric-card {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    transition: background var(--transition);
}

.metric-card:hover {
    background: rgba(255, 255, 255, 0.22);
}

.metric-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--accent);
    font-family: "Inter", "Arial", sans-serif;
    letter-spacing: 0.5px;
}

.metric-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.88);
    letter-spacing: 0.5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    transition: all var(--transition);
    animation: floatDown 2s ease-in-out infinite;
}

.scroll-indicator:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    animation: none;
}

@keyframes floatDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* 区块通用 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-sub {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 40px;
    max-width: 640px;
}

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    background: var(--accent-soft);
    color: var(--accent-hover);
    font-size: 13px;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

/* 痛点区 */
.pain-section {
    background: #fff;
}

.pain-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.pain-title .question-mark {
    color: var(--accent);
}

.pain-desc {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

.pain-item {
    padding: 24px;
    border-left: 3px solid var(--accent);
    border-radius: 0 12px 12px 0;
    background: var(--bg);
    margin-bottom: 16px;
    transition: all var(--transition);
}

.pain-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

/* 方案卡片 */
.solutions-section {
    background: var(--bg);
}

.solution-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: all var(--transition);
    border: 1px solid rgba(229, 224, 216, 0.4);
}

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

.solution-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
}

.solution-card p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

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

.solution-link:hover {
    color: var(--accent);
}

.solution-link i {
    font-size: 12px;
    transition: transform var(--transition);
}

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

/* 数据横条 */
.stats-band {
    background: linear-gradient(135deg, #1E4D3B 0%, #14362B 100%);
    padding: 64px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.stats-band::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
}

.stat-item {
    text-align: center;
    padding: 20px 10px;
    position: relative;
    z-index: 1;
}

.stat-num {
    font-size: 44px;
    font-weight: 800;
    color: var(--accent);
    font-family: "Inter", "Arial", sans-serif;
    letter-spacing: 0.5px;
    display: block;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.88);
    display: block;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
}

/* 最新动态 */
.news-section {
    background: #fff;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-head .section-title {
    margin-bottom: 0;
}

.view-all {
    font-size: 15px;
    font-weight: 500;
    color: var(--primary-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg);
    border-radius: 999px;
    transition: all var(--transition);
}

.view-all:hover {
    background: var(--accent-soft);
    color: var(--accent-hover);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-card {
    display: flex;
    background: var(--card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    height: 180px;
    border: 1px solid rgba(229, 224, 216, 0.3);
}

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

.news-thumb {
    width: 240px;
    flex-shrink: 0;
    overflow: hidden;
}

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

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

.news-body {
    padding: 18px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-tag {
    display: inline-block;
    padding: 3px 12px;
    background: var(--accent-soft);
    color: var(--accent-hover);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    margin-bottom: 8px;
    align-self: flex-start;
}

.news-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-body h3 a {
    color: inherit;
}

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

.news-body p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--muted);
    margin-top: auto;
}

.news-meta a {
    font-weight: 500;
    color: var(--primary-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-meta a:hover {
    color: var(--accent);
}

.news-meta i {
    font-size: 12px;
}

.news-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--muted);
    font-size: 15px;
    background: var(--bg);
    border-radius: var(--radius-md);
}

/* CTA 条 */
.cta-band {
    background: var(--bg);
    padding: 64px 0;
}

.cta-box {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 40px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    border: 1px solid rgba(229, 224, 216, 0.4);
}

.cta-box h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.cta-box p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 0;
}

.cta-box .btn-primary {
    height: 48px;
    padding: 0 32px;
    font-size: 15px;
    flex-shrink: 0;
}

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

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

.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

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

.accordion-item:hover {
    box-shadow: var(--shadow-sm);
}

.accordion-button {
    background: #fff;
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
    padding: 20px 24px;
    border: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-button i {
    color: var(--accent);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%231E4D3B' xmlns='http://www.w3.org/2000/svg'%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");
}

.accordion-body {
    padding: 4px 24px 24px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    background: #fff;
}

/* 隐私说明 */
.privacy-section {
    background: var(--bg);
    padding: 48px 0;
}

.privacy-wrap {
    max-width: 860px;
    margin: 0 auto;
}

.privacy-wrap h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    text-align: center;
}

.privacy-toggle {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
    transition: all var(--transition);
    font-weight: 500;
}

.privacy-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.privacy-toggle i {
    color: var(--accent);
}

.privacy-panel {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px;
    margin-top: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(229, 224, 216, 0.4);
}

.privacy-panel h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    margin-top: 16px;
}

.privacy-panel h4:first-child {
    margin-top: 0;
}

.privacy-panel p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
}

/* 页脚 */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.88);
    padding: 64px 0 32px;
}

.site-footer .footer-brand {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    font-family: "Inter", "PingFang SC", sans-serif;
}

.site-footer .brand-icon {
    background: rgba(255, 255, 255, 0.15);
}

.site-footer .brand-text {
    color: #fff;
}

.site-footer .brand-text em {
    color: var(--accent);
}

.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.70);
    line-height: 1.8;
    margin-top: 16px;
    max-width: 280px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    transition: all var(--transition);
}

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

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

.footer-contact li {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    width: 18px;
    color: var(--accent);
    font-size: 14px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 48px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
}

/* 移动端 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #fff;
        border-radius: var(--radius-md);
        padding: 16px;
        margin-top: 12px;
        box-shadow: var(--shadow-md);
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        border: 1px solid rgba(229, 224, 216, 0.5);
    }

    .navbar-nav .nav-link {
        padding: 12px 8px;
        border-bottom: 1px solid rgba(229, 224, 216, 0.4);
    }

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

    .nav-right {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-top: 16px;
    }

    .search-box input {
        width: 100%;
    }

    .nav-cta {
        width: 100%;
    }

    .hero {
        min-height: 440px;
    }

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

    .hero-metrics {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 32px;
    }

    .metric-card {
        flex: 1 1 calc(50% - 10px);
        padding: 14px 16px;
    }

    .metric-num {
        font-size: 26px;
    }

    .section {
        padding: 56px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .news-card {
        height: auto;
    }

    .news-thumb {
        width: 200px;
    }

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

@media (max-width: 767.98px) {
    .hero {
        min-height: 420px;
    }

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

    .hero-sub {
        font-size: 15px;
    }

    .hero-actions {
        gap: 16px;
        width: 100%;
    }

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

    .metric-card {
        flex: 1 1 100%;
    }

    .pain-title {
        font-size: 22px;
    }

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

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

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

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

    .stat-divider {
        display: none;
    }

    .news-card {
        flex-direction: column;
        height: auto;
    }

    .news-thumb {
        width: 100%;
        height: 160px;
    }

    .news-body h3 {
        font-size: 16px;
    }

    .news-body p {
        -webkit-line-clamp: 3;
    }

    .cta-box {
        padding: 28px 24px;
        flex-direction: column;
        text-align: center;
    }

    .cta-box .btn-primary {
        width: 100%;
    }

    .accordion-button {
        font-size: 15px;
        padding: 16px 18px;
    }

    .accordion-body {
        padding: 0 18px 18px;
        font-size: 14px;
    }

    .privacy-panel {
        padding: 24px 20px;
    }

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

@media (max-width: 575.98px) {
    .header .container {
        padding-left: 16px;
        padding-right: 16px;
    }

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

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

    .metric-num {
        font-size: 24px;
    }

    .btn-primary {
        width: 100%;
    }

    .nav-login {
        text-align: center;
    }
}

/* roulang page: article */
:root{
    --primary:#1E4D3B;
    --primary-light:#2E6B52;
    --accent:#F26522;
    --accent-hover:#D95214;
    --accent-bg:#FDE8DC;
    --bg-light:#F7F4EF;
    --card-bg:#FFFFFF;
    --text-dark:#222B26;
    --text-muted:#6B736E;
    --border:#E5E0D8;
    --input-border:#D8D2C8;
    --radius-lg:20px;
    --radius-md:12px;
    --radius-sm:10px;
    --shadow-card:0 2px 8px rgba(30,77,59,0.06);
    --shadow-hover:0 8px 24px rgba(30,77,59,0.12);
    --shadow-modal:0 20px 60px rgba(0,0,0,0.18);
    --transition:0.25s ease;
    --font-main:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
    --font-num:"Inter","Arial",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    background:var(--bg-light);
    color:var(--text-dark);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-light);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1280px;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1200px){.container{padding:0 32px}}

.btn{border-radius:var(--radius-sm);font-weight:600;transition:all var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{
    background:linear-gradient(135deg,#F26522,#F28B3D);
    border:none;color:#fff;padding:12px 24px;font-size:16px;line-height:1.4;
    box-shadow:0 4px 12px rgba(242,101,34,0.25);
}
.btn-primary:hover,.btn-primary:focus{
    background:linear-gradient(135deg,#F28B3D,#F26522);
    color:#fff;box-shadow:0 6px 16px rgba(242,101,34,0.35);
    transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 8px rgba(242,101,34,0.25)}
.btn-outline-primary{
    border:1.5px solid var(--primary);color:var(--primary);background:transparent;padding:10px 24px;font-size:15px;
}
.btn-outline-primary:hover,.btn-outline-primary:focus{
    background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px rgba(30,77,59,0.2);
}
.btn-outline-primary:active{transform:translateY(1px)}
.btn-lg{padding:14px 32px;font-size:17px;border-radius:12px}
.btn-sm{padding:8px 16px;font-size:14px}

.site-header{
    background:rgba(247,244,239,0.95);
    border-bottom:1px solid var(--border);
    position:sticky;top:0;z-index:1050;
    transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(30,77,59,0.08);background:rgba(255,255,255,0.98)}
.site-header .navbar{
    padding:12px 0;min-height:72px;
}
.navbar-brand{
    display:flex;align-items:center;gap:10px;padding:0;margin:0;
}
.brand-icon{
    width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-family:var(--font-num);font-weight:800;font-size:20px;letter-spacing:0.5px;
    flex-shrink:0;
}
.brand-text{
    font-family:var(--font-num);font-weight:700;font-size:22px;color:var(--primary);letter-spacing:0.5px;
    line-height:1.2;
}
.brand-text em{
    font-style:normal;font-family:var(--font-main);font-size:13px;font-weight:400;
    color:var(--text-muted);margin-left:4px;vertical-align:2px;
}
.navbar-nav{gap:4px}
.nav-link{
    color:var(--text-dark);font-size:16px;font-weight:500;padding:8px 14px!important;
    border-radius:8px;position:relative;transition:color var(--transition),background var(--transition);
}
.nav-link:hover,.nav-link:focus{color:var(--primary-light);background:rgba(30,77,59,0.05)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
    background:var(--accent);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:14px}
.search-box{
    display:flex;align-items:center;background:var(--card-bg);border:1px solid var(--input-border);
    border-radius:999px;padding:4px 4px 4px 16px;transition:border-color var(--transition),box-shadow var(--transition);
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,77,59,0.12)}
.search-box input{
    border:none;outline:none;background:transparent;font-size:14px;color:var(--text-dark);
    width:140px;padding:4px 0;
}
.search-box input::placeholder{color:#999}
.search-box button{
    width:34px;height:34px;border-radius:50%;border:none;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background var(--transition);
}
.search-box button:hover{background:var(--primary-light)}
.nav-login{
    color:var(--text-dark);font-size:15px;font-weight:500;padding:8px 4px;
}
.nav-login:hover{color:var(--primary)}
.nav-cta{
    background:linear-gradient(135deg,#F26522,#F28B3D);border:none;color:#fff;
    padding:8px 20px;font-size:14px;font-weight:600;border-radius:10px;
    display:inline-flex;align-items:center;gap:6px;transition:all var(--transition);
    box-shadow:0 2px 8px rgba(242,101,34,0.25);
}
.nav-cta:hover,.nav-cta:focus{color:#fff;box-shadow:0 4px 14px rgba(242,101,34,0.35);transform:translateY(-1px)}
.navbar-toggler{
    border:1px solid var(--border);border-radius:8px;padding:6px;width:40px;height:40px;
    background:transparent;
}
.navbar-toggler:focus{box-shadow:none;border-color:var(--primary)}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E4D3B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}

.breadcrumb-wrap{
    background:var(--card-bg);border-bottom:1px solid var(--border);padding:16px 0;
}
.breadcrumb{background:transparent;margin:0;padding:0;font-size:14px}
.breadcrumb-item{display:flex;align-items:center}
.breadcrumb-item a{color:var(--text-muted)}
.breadcrumb-item a:hover{color:var(--primary)}
.breadcrumb-item+.breadcrumb-item::before{
    content:"›";color:var(--border);padding:0 8px;
}
.breadcrumb-item.active{color:var(--text-dark);font-weight:500;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.article-main{
    padding:52px 0 72px;
}
.article-card{
    background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
    padding:40px 48px;margin-bottom:32px;
}
.article-header{
    margin-bottom:32px;padding-bottom:28px;border-bottom:1px solid var(--border);
}
.article-header h1{
    font-size:32px;font-weight:700;line-height:1.35;color:var(--text-dark);
    margin-bottom:16px;
}
.article-meta{
    display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.article-category{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--accent-bg);color:var(--accent-hover);
    padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;
}
.article-date{
    color:var(--text-muted);font-size:14px;display:inline-flex;align-items:center;gap:6px;
}
.article-date i{font-size:13px}
.article-content{
    font-size:17px;line-height:1.9;color:var(--text-dark);
}
.article-content p{
    margin-bottom:28px;
}
.article-content h2{
    font-size:24px;font-weight:700;color:var(--primary);margin:40px 0 20px;
    padding-left:16px;border-left:4px solid var(--accent);
}
.article-content h3{
    font-size:19px;font-weight:600;color:var(--text-dark);margin:32px 0 16px;
}
.article-content h4{
    font-size:17px;font-weight:600;color:var(--text-dark);margin:28px 0 12px;
}
.article-content a{
    color:var(--primary-light);text-decoration:underline;text-underline-offset:3px;
}
.article-content a:hover{color:var(--accent)}
.article-content img{
    border-radius:12px;margin:24px 0;
}
.article-content blockquote{
    border-left:4px solid var(--primary);background:var(--bg-light);
    padding:20px 24px;margin:24px 0;border-radius:0 12px 12px 0;color:var(--text-muted);
    font-size:15px;line-height:1.8;
}
.article-content blockquote p{margin-bottom:0}
.article-content ul,.article-content ol{
    margin-bottom:28px;padding-left:0;
}
.article-content ul li{
    padding-left:24px;position:relative;margin-bottom:10px;
}
.article-content ul li::before{
    content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;border-radius:50%;
    background:var(--accent);
}
.article-content ol{counter-reset:item}
.article-content ol li{
    padding-left:28px;position:relative;margin-bottom:10px;counter-increment:item;
}
.article-content ol li::before{
    content:counter(item);position:absolute;left:0;top:2px;width:20px;height:20px;
    border-radius:6px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
}
.article-content table{
    width:100%;margin:24px 0;border-collapse:collapse;font-size:15px;
}
.article-content table th{
    background:var(--primary);color:#fff;padding:12px 16px;text-align:left;font-weight:600;
}
.article-content table td{
    padding:10px 16px;border-bottom:1px solid var(--border);
}
.article-content table tr:hover td{background:var(--bg-light)}
.article-content hr{
    border:none;border-top:1px solid var(--border);margin:32px 0;
}

.article-tags{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    padding-top:24px;margin-top:8px;border-top:1px solid var(--border);
}
.tag{
    display:inline-flex;align-items:center;gap:4px;
    background:var(--bg-light);color:var(--text-dark);font-size:13px;font-weight:500;
    padding:5px 14px;border-radius:999px;transition:all var(--transition);
}
.tag:hover{
    background:var(--primary);color:#fff;
}
.tag-total{
    color:var(--text-muted);font-size:13px;
}

.article-return{
    margin-top:32px;display:flex;align-items:center;gap:12px;
}

.article-missing{
    background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
    padding:80px 40px;text-align:center;
}
.missing-icon{
    width:72px;height:72px;border-radius:50%;background:var(--bg-light);
    display:flex;align-items:center;justify-content:center;margin:0 auto 24px;
    color:var(--text-muted);font-size:28px;
}
.article-missing h1{
    font-size:28px;font-weight:700;color:var(--text-dark);margin-bottom:12px;
}
.article-missing p{
    color:var(--text-muted);font-size:16px;margin-bottom:28px;
}

.sidebar-widget{
    background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
    padding:28px 24px;margin-bottom:24px;
}
.sidebar-title{
    font-size:18px;font-weight:700;color:var(--text-dark);margin-bottom:20px;
    position:relative;padding-left:14px;
}
.sidebar-title::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:18px;border-radius:2px;background:var(--accent);
}
.related-list{
    display:flex;flex-direction:column;gap:0;
}
.related-item{
    border-bottom:1px solid rgba(229,224,216,0.6);padding:14px 0;
}
.related-item:last-child{border-bottom:none;padding-bottom:0}
.related-item:first-child{padding-top:0}
.related-link{
    display:block;color:var(--text-dark);font-size:15px;font-weight:500;line-height:1.5;
    transition:color var(--transition);
    margin-bottom:6px;
}
.related-link:hover{
    color:var(--accent);
}
.related-date{
    font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:5px;
}
.related-date i{font-size:11px}

.sidebar-cta{
    background:linear-gradient(145deg,#1E4D3B,#173A2D)!important;
    border-radius:var(--radius-lg);padding:32px 28px;color:#fff;text-align:center;
    position:relative;overflow:hidden;
}
.sidebar-cta::before{
    content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;
    border-radius:50%;background:rgba(255,255,255,0.05);
}
.sidebar-cta::after{
    content:"";position:absolute;bottom:-20px;left:-20px;width:80px;height:80px;
    border-radius:50%;background:rgba(242,101,34,0.15);
}
.sidebar-cta h3{
    font-size:20px;font-weight:700;margin-bottom:12px;position:relative;z-index:1;
}
.sidebar-cta p{
    font-size:14px;color:rgba(255,255,255,0.8);margin-bottom:20px;position:relative;z-index:1;
    line-height:1.6;
}
.sidebar-cta .btn-accent{
    background:linear-gradient(135deg,#F26522,#F28B3D);border:none;color:#fff;
    font-size:15px;font-weight:600;padding:10px 24px;border-radius:10px;
    display:inline-flex;align-items:center;gap:8px;transition:all var(--transition);
    box-shadow:0 4px 12px rgba(242,101,34,0.3);position:relative;z-index:1;
    width:100%;justify-content:center;
}
.sidebar-cta .btn-accent:hover{
    color:#fff;box-shadow:0 6px 18px rgba(242,101,34,0.4);transform:translateY(-1px);
}

.cta-section{
    background:var(--card-bg);border-top:1px solid var(--border);
    padding:48px 0;
}
.cta-inner{
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-content h2{
    font-size:26px;font-weight:700;color:var(--text-dark);margin-bottom:8px;
}
.cta-content p{
    color:var(--text-muted);font-size:15px;margin:0;
}
.cta-action{
    flex-shrink:0;
}

.site-footer{
    background:var(--primary);color:rgba(255,255,255,0.85);padding:64px 0 0;
}
.footer-brand{
    display:inline-flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;
}
.footer-brand:hover{color:#fff}
.footer-brand .brand-icon{
    background:rgba(255,255,255,0.15);
}
.footer-brand .brand-text{
    color:#fff;
}
.footer-brand .brand-text em{
    color:rgba(255,255,255,0.6);
}
.footer-desc{
    font-size:14px;color:rgba(255,255,255,0.7);line-height:1.7;margin:0;
    max-width:260px;
}
.footer-title{
    font-size:16px;font-weight:600;color:#fff;margin-bottom:18px;
    position:relative;padding-bottom:10px;
}
.footer-title::after{
    content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;
    background:var(--accent);border-radius:2px;
}
.footer-links{
    display:flex;flex-direction:column;gap:10px;
}
.footer-links a{
    color:rgba(255,255,255,0.7);font-size:14px;transition:all var(--transition);
}
.footer-links a:hover{
    color:var(--accent);padding-left:4px;
}
.footer-contact{
    display:flex;flex-direction:column;gap:12px;
}
.footer-contact li{
    display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,0.7);
}
.footer-contact li i{
    width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,0.1);
    display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--accent);
    flex-shrink:0;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.12);margin-top:48px;
    padding:20px 0;display:flex;align-items:center;justify-content:space-between;
    flex-wrap:wrap;gap:8px;
}
.footer-bottom span{
    font-size:13px;color:rgba(255,255,255,0.6);
}

.modal-content{
    border:none;border-radius:20px;box-shadow:var(--shadow-modal);border:1px solid var(--border);
}
.modal-header{
    border-bottom:1px solid var(--border);padding:24px 28px 16px;
}
.modal-title{
    font-size:20px;font-weight:700;color:var(--text-dark);
}
.modal-header .btn-close{
    padding:8px;border-radius:50%;transition:background var(--transition);
}
.modal-header .btn-close:hover{background:var(--bg-light)}
.modal-body{
    padding:24px 28px 28px;
}
.modal-desc{
    color:var(--text-muted);font-size:14px;margin-bottom:24px;
}
.form-label{
    font-size:14px;font-weight:600;color:var(--text-dark);margin-bottom:6px;
}
.form-control,.form-select{
    border:1px solid var(--input-border);border-radius:10px;padding:10px 14px;
    font-size:15px;height:46px;color:var(--text-dark);transition:border-color var(--transition),box-shadow var(--transition);
    background-color:#fff;
}
.form-control:focus,.form-select:focus{
    border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,77,59,0.12);outline:none;
}
.form-control::placeholder{color:#A0A7A3}
.modal-body .form-check-input{
    width:18px;height:18px;border-radius:4px;border:1.5px solid var(--input-border);
    margin-top:0;margin-right:8px;transition:all var(--transition);
}
.modal-body .form-check-input:checked{
    background-color:var(--primary);border-color:var(--primary);
}
.modal-body .form-check-input:focus{
    box-shadow:0 0 0 3px rgba(30,77,59,0.12);
}
.modal-body .form-check-label{
    font-size:13px;color:var(--text-muted);
}

@media(max-width:991.98px){
    .nav-right{
        width:100%;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);
        justify-content:flex-start;gap:12px;
    }
    .search-box{flex:1}
    .search-box input{flex:1;width:auto}
    .navbar-nav{
        margin-top:12px;
    }
    .article-card{padding:32px 28px}
    .sidebar-widget{margin-top:0}
    .article-header h1{font-size:28px}
    .cta-inner{flex-direction:column;text-align:center;justify-content:center}
    .cta-content p{text-align:center}
    .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
}

@media(max-width:767.98px){
    .breadcrumb-item.active{max-width:180px}
    .article-main{padding:36px 0 52px}
    .article-card{padding:24px 18px;border-radius:16px}
    .article-card h1{font-size:24px}
    .article-content{font-size:16px;line-height:1.85}
    .article-content p{margin-bottom:22px}
    .article-content h2{font-size:20px;margin:32px 0 16px;padding-left:12px}
    .article-content h3{font-size:17px}
    .article-meta{gap:10px}
    .article-return{flex-wrap:wrap}
}

@media(max-width:575.98px){
    .site-header .navbar{min-height:64px;padding:8px 0}
    .brand-text{font-size:20px}
    .brand-icon{width:32px;height:32px;font-size:17px}
    .article-header h1{font-size:22px}
    .btn-primary{padding:12px 20px}
    .cta-section{padding:36px 0}
    .cta-content h2{font-size:22px}
}

/* roulang page: category1 */
:root {
    --primary: #1E4D3B;
    --primary-light: #2E6B52;
    --accent: #F26522;
    --accent-hover: #D95214;
    --accent-light: #FDE8DC;
    --bg: #F7F4EF;
    --card-bg: #FFFFFF;
    --text-dark: #222B26;
    --text-muted: #6B736E;
    --border: #E5E0D8;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(30, 77, 59, 0.06);
    --shadow-hover: 0 8px 24px rgba(30, 77, 59, 0.12);
    --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
html, body {
    box-sizing: border-box;
}
*, *::before, *::after {
    box-sizing: inherit;
}
body {
    font-family: var(--font-family);
    background: var(--bg);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover {
    color: var(--accent);
}
img {
    max-width: 100%;
    display: block;
}
button {
    cursor: pointer;
}
.container {
    max-width: 1280px;
    padding-left: 16px;
    padding-right: 16px;
}
@media (min-width: 768px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}
@media (min-width: 992px) {
    .container {
        padding-left: 32px;
        padding-right: 32px;
    }
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: #fff;
    box-shadow: 0 2px 8px rgba(30, 77, 59, 0.08);
}
.site-header .navbar {
    min-height: 72px;
    padding: 10px 0;
}
.site-header .navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
}
.brand-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "Inter", "Arial", sans-serif;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: .5px;
    flex-shrink: 0;
}
.brand-text {
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: .5px;
}
.brand-text em {
    font-style: normal;
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-left: 2px;
}
.navbar-nav {
    gap: 4px;
}
.navbar-nav .nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 16px !important;
    position: relative;
    white-space: nowrap;
    transition: color .2s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary);
}
.navbar-nav .nav-link.active {
    font-weight: 600;
}
.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border-radius: 999px;
    padding: 4px 6px 4px 16px;
    border: 1px solid var(--border);
    transition: border-color .2s, box-shadow .2s;
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.08);
}
.search-box input {
    border: none;
    background: transparent;
    outline: none;
    width: 138px;
    font-size: 14px;
    color: var(--text-dark);
    font-family: var(--font-family);
}
.search-box input::placeholder {
    color: var(--text-muted);
}
.search-box button {
    border: none;
    background: none;
    color: var(--primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
}
.search-box button:hover {
    background: rgba(30, 77, 59, 0.08);
}
.nav-login {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
}
.nav-login:hover {
    color: var(--primary);
}
.nav-cta {
    height: 42px;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    font-size: 14px;
}
.navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 10px;
}
.navbar-toggler:focus {
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.1);
    border-color: var(--primary);
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E4D3B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Buttons ===== */
.btn {
    font-family: var(--font-family);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all .25s ease;
}
.btn-primary {
    background: linear-gradient(135deg, #F26522, #F28B3D);
    border: none;
    color: #fff;
    height: 48px;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(242, 101, 34, 0.2);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #F28B3D, #F26522);
    color: #fff;
    box-shadow: 0 6px 16px rgba(242, 101, 34, 0.35);
    transform: translateY(-1px);
}
.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 3px 8px rgba(242, 101, 34, 0.25);
}
.btn-primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(242, 101, 34, 0.3);
}
.btn-outline-dark {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    height: 48px;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
}
.btn-outline-dark:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(30, 77, 59, 0.18);
}
.btn-outline-dark:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.15);
}

/* ===== Category Hero ===== */
.category-hero {
    position: relative;
    background: var(--bg);
    padding: 72px 0 64px;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    right: -100px;
    top: -120px;
    background: rgba(242, 101, 34, 0.07);
    pointer-events: none;
}
.category-hero::after {
    content: '';
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    right: 200px;
    bottom: -110px;
    background: rgba(30, 77, 59, 0.05);
    pointer-events: none;
}
.category-hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}
.category-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.category-eyebrow i {
    font-size: 12px;
}
.category-hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 12px;
}
.category-lead {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}
.category-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 620px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Section Head ===== */
.section-head {
    margin-bottom: 40px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.3;
}
.section-head p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ===== Info Cards ===== */
.info-cards {
    padding: 80px 0 40px;
}
.category-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .25s ease, transform .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.category-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.card-img-wrap {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg);
}
.card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.category-card:hover .card-img-wrap img {
    transform: scale(1.04);
}
.category-card .card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-hover);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
    align-self: flex-start;
}
.category-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}
.category-card h3 a {
    color: var(--text-dark);
}
.category-card h3 a:hover {
    color: var(--primary);
}
.category-card .card-body p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
    flex: 1;
}
.card-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-link i {
    font-size: 13px;
    transition: transform .2s;
}
.card-link:hover {
    color: var(--accent);
}
.card-link:hover i {
    transform: translateX(4px);
}

/* ===== Value Section ===== */
.value-section {
    padding: 80px 0;
    background: #fff;
}
.value-section .section-head h2 {
    font-size: 32px;
}
.value-section .content-text {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 24px;
}
.value-points {
    list-style: none;
    padding: 0;
    margin: 0;
}
.value-points li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
}
.value-points li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.value-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}
.value-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

/* ===== Flow Section ===== */
.flow-section {
    background: var(--primary);
    padding: 80px 0;
}
.flow-section .section-head {
    margin-bottom: 48px;
}
.flow-section .section-head h2 {
    color: #fff;
}
.flow-section .section-head p {
    color: rgba(255, 255, 255, 0.7);
}
.flow-section .section-tag {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}
.flow-item {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    height: 100%;
    transition: background .25s, transform .25s;
}
.flow-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}
.flow-num {
    font-family: "Inter", "Arial", sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
}
.flow-item i {
    font-size: 34px;
    color: #fff;
    margin: 18px 0;
    display: block;
}
.flow-item h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}
.flow-item p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

/* ===== FAQ Section ===== */
.faq-section {
    padding: 80px 0;
    background: var(--bg);
}
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
}
.custom-accordion .accordion-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.custom-accordion .accordion-item:first-of-type,
.custom-accordion .accordion-item:last-of-type {
    border-radius: var(--radius-md) !important;
}
.custom-accordion .accordion-button {
    background: #fff;
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 600;
    padding: 18px 24px;
    box-shadow: none;
    font-family: var(--font-family);
}
.custom-accordion .accordion-button:not(.collapsed) {
    color: var(--primary);
    background: #fff;
}
.custom-accordion .accordion-button:focus {
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.08);
    border-color: transparent;
}
.custom-accordion .accordion-button::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    background: none;
    width: auto;
    height: auto;
    color: var(--primary);
    font-size: 14px;
    transition: transform .3s;
}
.custom-accordion .accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
    color: var(--accent);
}
.custom-accordion .accordion-body {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    background: var(--bg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.custom-accordion .accordion-body p {
    color: var(--text-muted);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: #fff;
}
.cta-card {
    background: var(--primary);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    box-shadow: 0 12px 32px rgba(30, 77, 59, 0.16);
    position: relative;
    overflow: hidden;
}
.cta-card::after {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    right: -60px;
    top: -80px;
    background: rgba(255, 255, 255, 0.04);
    pointer-events: none;
}
.cta-content h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}
.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 16px;
    margin: 0;
}
.cta-card .btn-primary {
    position: relative;
    z-index: 1;
    min-width: 180px;
    flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.85);
    padding: 72px 0 0;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color .2s;
}
.site-footer a:hover {
    color: var(--accent);
}
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}
.footer-brand .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
}
.footer-brand .brand-text {
    color: #fff;
    font-size: 19px;
}
.footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 0;
    max-width: 320px;
}
.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-contact li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-contact i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}
.footer-bottom {
    margin-top: 56px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
}

/* ===== Modal ===== */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    padding: 8px;
}
.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 20px 24px 16px;
}
.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-family);
}
.btn-close:focus {
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.1);
}
.modal-body {
    padding: 24px;
}
.modal-sub {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}
.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-family: var(--font-family);
}
.form-control,
.form-select {
    height: 46px;
    border: 1px solid #D8D2C8;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-dark);
    font-family: var(--font-family);
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.12);
}
.form-control::placeholder {
    color: #A6ADA9;
}
.form-check-input {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid #D8D2C8;
    margin-top: 2px;
}
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}
.form-check-input:focus {
    box-shadow: 0 0 0 4px rgba(30, 77, 59, 0.12);
    border-color: var(--primary);
}
.form-check-label {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-family);
}
.modal-body .btn-primary {
    width: 100%;
    margin-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
    .search-box input {
        width: 110px;
    }
    .navbar-nav .nav-link {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
}
@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        background: #fff;
        padding: 16px 0;
    }
    .navbar-nav {
        gap: 0;
        margin-bottom: 16px;
    }
    .navbar-nav .nav-link {
        padding: 10px 16px !important;
    }
    .navbar-nav .nav-link.active::after {
        left: 16px;
        width: 24px;
    }
    .nav-right {
        flex-wrap: wrap;
        gap: 12px;
        padding: 0 16px;
    }
    .search-box {
        flex: 1 1 100%;
        margin-bottom: 4px;
    }
    .search-box input {
        flex: 1;
        width: auto;
    }
    .nav-login {
        font-size: 14px;
    }
    .category-hero {
        padding: 56px 0 48px;
    }
    .category-hero h1 {
        font-size: 38px;
    }
    .category-lead {
        font-size: 18px;
    }
    .value-section,
    .flow-section,
    .faq-section,
    .cta-section,
    .info-cards {
        padding: 56px 0;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .cta-card {
        padding: 36px 32px;
    }
    .cta-content h2 {
        font-size: 24px;
    }
    .value-image-wrap {
        margin-top: 24px;
    }
}
@media (max-width: 767.98px) {
    .category-hero h1 {
        font-size: 34px;
    }
    .category-lead {
        font-size: 17px;
    }
    .category-desc {
        font-size: 15px;
    }
    .section-head h2 {
        font-size: 24px;
    }
    .category-card .card-body {
        padding: 20px;
    }
    .cta-card {
        padding: 32px 24px;
        flex-direction: column;
        align-items: flex-start;
    }
    .cta-card .btn-primary {
        width: 100%;
    }
    .flow-item {
        padding: 24px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}
@media (max-width: 575.98px) {
    .category-hero h1 {
        font-size: 30px;
    }
    .category-hero-content {
        max-width: 100%;
    }
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .category-eyebrow {
        font-size: 12px;
        padding: 5px 12px;
    }
    .category-lead {
        font-size: 16px;
    }
    .section-head h2 {
        font-size: 22px;
    }
    .value-section .section-head h2 {
        font-size: 24px;
    }
    .custom-accordion .accordion-button {
        font-size: 15px;
        padding: 16px 18px;
    }
    .cta-content h2 {
        font-size: 20px;
    }
    .modal-body {
        padding: 16px;
    }
    .navbar-brand .brand-text {
        font-size: 17px;
    }
    .nav-cta {
        height: 40px;
        padding: 0 14px;
        font-size: 13px;
    }
}

/* roulang page: category2 */
:root {
    --primary: #1E4D3B;
    --primary-light: #2E6B52;
    --accent: #F26522;
    --accent-hover: #D95214;
    --accent-soft: #FDE8DC;
    --bg: #F7F4EF;
    --card: #FFFFFF;
    --text: #222B26;
    --muted: #6B736E;
    --border: #E5E0D8;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --shadow-card: 0 2px 8px rgba(30,77,59,0.06);
    --shadow-hover: 0 8px 24px rgba(30,77,59,0.12);
    --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--accent); }
button { font-family: inherit; }
.container { max-width: 1280px; padding-left: 16px; padding-right: 16px; }
@media (min-width: 768px) {
    .container { padding-left: 24px; padding-right: 24px; }
}
@media (min-width: 1200px) {
    .container { padding-left: 32px; padding-right: 32px; }
}

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    background: rgba(255,255,255,0.96);
    box-shadow: 0 1px 0 rgba(30,77,59,0.08);
    transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(30,77,59,0.10); }
.site-header .navbar { padding: 10px 0; }
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-weight: 800;
    font-family: "Inter", "Arial", sans-serif;
    font-size: 18px;
    letter-spacing: 0.5px;
}
.brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    font-family: "Inter", "Arial", sans-serif;
    letter-spacing: 0.5px;
    line-height: 1;
}
.brand-text em {
    font-style: normal;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
    margin-left: 2px;
}
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
    color: var(--text);
    font-weight: 500;
    font-size: 16px;
    padding: 10px 16px;
    position: relative;
    border-radius: 8px;
    transition: color .25s ease, background .25s ease;
}
.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform .25s ease;
}
.navbar-nav .nav-link:hover { color: var(--primary-light); background: rgba(30,77,59,0.04); }
.navbar-nav .nav-link:hover::after { transform: scaleX(1); }
.navbar-nav .nav-link.active { color: var(--primary); font-weight: 600; }
.navbar-nav .nav-link.active::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0 6px 0 16px;
    height: 40px;
    width: 220px;
    transition: border-color .25s ease, box-shadow .25s ease;
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30,77,59,0.12);
}
.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: var(--text);
    flex: 1;
    min-width: 0;
}
.search-box input::placeholder { color: var(--muted); }
.search-box button {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    font-size: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .25s ease;
}
.search-box button:hover { background: var(--accent); }
.nav-login {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
}
.nav-login:hover { color: var(--accent); }
.navbar-toggler { border: none; padding: 6px 8px; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E4D3B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Buttons */
.btn { border-radius: var(--radius-sm); font-weight: 600; height: 48px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border: none; transition: all .25s ease; }
.btn-primary {
    background: linear-gradient(135deg, #F26522, #F28B3D);
    color: #fff;
    box-shadow: 0 4px 14px rgba(242,101,34,0.28);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #F28B3D, #F26522);
    color: #fff;
    box-shadow: 0 6px 16px rgba(242,101,34,0.35);
    transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 8px rgba(242,101,34,0.25); }
.btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-outline-brand {
    background: #fff;
    border: 1.5px solid var(--primary);
    color: var(--primary);
}
.btn-outline-brand:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-white {
    background: #fff;
    color: var(--accent);
}
.btn-white:hover { background: var(--bg); color: var(--accent-hover); }

/* Page Hero */
.page-hero {
    background: linear-gradient(120deg, rgba(247,244,239,1) 0%, rgba(247,244,239,0.92) 60%, rgba(253,232,220,0.6) 100%);
    position: relative;
    padding: 72px 0 76px;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent-soft);
    color: var(--accent-hover);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.page-hero h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary);
    margin: 0 0 14px;
}
.hero-lead {
    font-size: 17px;
    line-height: 1.8;
    color: var(--muted);
    max-width: 560px;
    margin: 0 0 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn { min-width: 140px; }
.deco-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.deco-circle.one {
    width: 360px;
    height: 360px;
    background: rgba(30,77,59,0.05);
    top: -120px;
    right: -80px;
}
.deco-circle.two {
    width: 180px;
    height: 180px;
    border: 2px solid rgba(242,101,34,0.18);
    bottom: -50px;
    left: 40%;
}
@media (max-width: 768px) {
    .page-hero { padding: 48px 0 56px; }
    .page-hero h1 { font-size: 30px; }
    .hero-lead { font-size: 15px; }
}

/* Sections */
.section { padding: 72px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head .sub-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 14px;
    line-height: 1.4;
}
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }
@media (max-width: 768px) {
    .section { padding: 48px 0; }
    .section-head h2 { font-size: 24px; }
}

/* Feature Cards */
.feature-grid { background: var(--card); }
.feature-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.feature-card .card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
}
.feature-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.feature-card:hover .card-img img { transform: scale(1.05); }
.feature-card .card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(30,77,59,0) 30%, rgba(30,77,59,0.12) 100%);
    pointer-events: none;
}
.feature-card .card-body { padding: 26px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.card-tag {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent-hover);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
    width: fit-content;
}
.feature-card h3 { font-size: 19px; font-weight: 600; color: var(--primary); margin: 0 0 10px; line-height: 1.4; }
.feature-card p { color: var(--muted); font-size: 15px; line-height: 1.75; margin: 0 0 18px; flex: 1; }
.feature-card .more-link { font-size: 14px; font-weight: 600; color: var(--primary-light); display: inline-flex; align-items: center; gap: 6px; }
.feature-card .more-link i { font-size: 12px; transition: transform .25s ease; }
.feature-card .more-link:hover { color: var(--accent); }
.feature-card .more-link:hover i { transform: translateX(4px); }

/* Problem Section */
.problem-section { background: var(--bg); }
.problem-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    align-items: stretch;
}
.problem-text { padding: 48px 40px; flex: 1; }
.problem-text h2 { font-size: 28px; font-weight: 700; color: var(--primary); margin: 0 0 14px; line-height: 1.4; }
.problem-text .lead-text { font-size: 16px; color: var(--text); line-height: 1.9; margin-bottom: 20px; }
.problem-text .desc-text { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 24px; }
.problem-points { list-style: none; padding: 0; margin: 0 0 28px; }
.problem-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 10px;
}
.problem-points li i { color: var(--accent); font-size: 15px; margin-top: 4px; }
.problem-img { flex: 0 0 40%; max-width: 40%; position: relative; min-height: 340px; overflow: hidden; }
.problem-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
@media (max-width: 992px) {
    .problem-card { flex-direction: column-reverse; }
    .problem-img { flex: none; max-width: 100%; width: 100%; min-height: 240px; position: relative; }
    .problem-img img { position: absolute; }
    .problem-text { padding: 32px 24px; }
}

/* Stats Band */
.stats-band { position: relative; overflow: hidden; }
.stats-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1E4D3B, #16382C);
}
.stats-band::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.22;
}
.stats-band .container { position: relative; z-index: 2; }
.stats-band { padding: 68px 0; }
.stat-item { text-align: center; padding: 20px 12px; }
.stat-num {
    font-family: "Inter", "Arial", sans-serif;
    font-size: 44px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}
.stat-label { font-size: 14px; color: rgba(255,255,255,0.88); font-weight: 400; letter-spacing: 0.5px; }
@media (max-width: 768px) {
    .stat-num { font-size: 34px; }
    .stats-band .col-6 { margin-bottom: 20px; }
}

/* Process */
.process-step {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 34px 26px;
    box-shadow: var(--shadow-card);
    height: 100%;
    transition: all .25s ease;
    position: relative;
    border: 1px solid rgba(30,77,59,0.04);
}
.process-step:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.step-num {
    font-family: "Inter", "Arial", sans-serif;
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    display: inline-block;
    margin-bottom: 14px;
    background: var(--accent-soft);
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.process-step h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin: 0 0 10px; }
.process-step p { font-size: 15px; color: var(--muted); line-height: 1.8; margin: 0; }
@media (max-width: 768px) {
    .process-step { padding: 26px 20px; }
}

/* FAQ */
.faq-section { background: var(--card); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 14px;
    overflow: hidden;
    background: var(--card);
    box-shadow: 0 1px 4px rgba(30,77,59,0.04);
}
.accordion-button {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    background: var(--card);
    padding: 20px 22px;
    border: none;
    line-height: 1.5;
}
.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: #F0F7F3;
    box-shadow: none;
}
.accordion-button:focus { box-shadow: 0 0 0 4px rgba(30,77,59,0.12); border-color: transparent; }
.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231E4D3B'%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");
}
.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F26522'%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");
}
.accordion-body {
    background: var(--bg);
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
    padding: 20px 22px;
}

/* CTA Band */
.cta-section { background: var(--bg); }
.cta-band {
    background: linear-gradient(135deg, #F26522, #F28B3D);
    border-radius: var(--radius-lg);
    padding: 52px 48px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    box-shadow: 0 12px 32px rgba(242,101,34,0.25);
}
.cta-band h2 { font-size: 28px; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.4; }
.cta-band p { font-size: 16px; margin: 0; opacity: 0.94; line-height: 1.7; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 768px) {
    .cta-band { padding: 32px 24px; flex-direction: column; text-align: center; }
    .cta-actions { width: 100%; justify-content: center; }
    .cta-actions .btn { width: 100%; }
    .cta-band h2 { font-size: 23px; }
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.82);
    padding: 64px 0 0;
}
.site-footer .footer-brand { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.site-footer .brand-icon { background: #fff; color: var(--primary); }
.site-footer .brand-text { color: #fff; }
.site-footer .brand-text em { color: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.68); max-width: 260px; }
.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin: 4px 0 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.68); font-size: 14px; transition: color .25s ease, padding-left .25s ease; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.68); margin-bottom: 12px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; font-size: 14px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    margin-top: 48px;
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}
@media (max-width: 768px) {
    .site-footer { padding-top: 48px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* Modal */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.18);
    overflow: hidden;
}
.modal-header { border-bottom: 1px solid var(--border); padding: 22px 28px; }
.modal-title { font-size: 22px; font-weight: 700; color: var(--primary); }
.modal-header .btn-close { background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23222B26'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/14px no-repeat; }
.modal-body { padding: 28px; }
.modal-body .form-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-control {
    height: 46px;
    border-radius: var(--radius-sm);
    border: 1px solid #D8D2C8;
    font-size: 15px;
    color: var(--text);
    transition: border-color .25s ease, box-shadow .25s ease;
}
.form-control:focus {
    border-color: var(--primary);
    border-width: 2px;
    box-shadow: 0 0 0 4px rgba(30,77,59,0.12);
    outline: none;
}
select.form-control { appearance: auto; }
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }
.form-check-input:focus { box-shadow: 0 0 0 4px rgba(30,77,59,0.12); border-color: var(--primary); }
.form-check-label { font-size: 13px; color: var(--muted); }
.modal-submit { width: 100%; margin-top: 8px; }

/* Focus accessibility */
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Responsive Nav */
@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 16px 0;
        border-top: 1px solid var(--border);
        margin-top: 8px;
    }
    .navbar-nav { gap: 0; margin-bottom: 14px; }
    .navbar-nav .nav-link { padding: 12px 8px; }
    .navbar-nav .nav-link::after { display: none; }
    .navbar-nav .nav-link.active { background: rgba(30,77,59,0.06); border-radius: 10px; }
    .nav-right { flex-wrap: wrap; gap: 10px; }
    .search-box { width: 100%; }
    .nav-right .nav-login { margin-left: 4px; }
}
@media (max-width: 576px) {
    .hero-actions .btn { width: 100%; }
    .nav-right .btn { flex: 1; }
}

/* roulang page: category3 */
:root{
  --color-primary:#1E4D3B;
  --color-primary-light:#2E6B52;
  --color-accent:#F26522;
  --color-accent-hover:#D95214;
  --color-accent-soft:#FDE8DC;
  --color-bg:#F7F4EF;
  --color-card:#FFFFFF;
  --color-text:#222B26;
  --color-muted:#6B736E;
  --color-border:#E5E0D8;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-default:0 2px 8px rgba(30,77,59,0.06);
  --shadow-hover:0 8px 24px rgba(30,77,59,0.12);
  --shadow-modal:0 20px 60px rgba(0,0,0,0.18);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-num:"Inter","Arial",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--color-primary-light);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--color-accent)}
img{max-width:100%;display:block}
.container{max-width:1280px;padding-left:16px;padding-right:16px}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1200px){.container{padding-left:32px;padding-right:32px}}

/* 通用标题 */
.section-padding{padding:64px 0}
@media(max-width:768px){.section-padding{padding:48px 0}}
.section-tag{
  display:inline-block;
  background:var(--color-accent-soft);
  color:var(--color-accent-hover);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.section-title{
  font-size:32px;
  font-weight:700;
  color:var(--color-primary);
  margin:0 0 14px;
  letter-spacing:-0.5px;
}
.section-desc{
  font-size:16px;
  color:var(--color-muted);
  max-width:640px;
  margin:0 0 36px;
}
@media(max-width:768px){
  .section-title{font-size:26px}
  .section-desc{font-size:15px}
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(255,255,255,0.96);
  box-shadow:0 1px 0 rgba(30,77,59,0.06),0 4px 20px rgba(30,77,59,0.04);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 24px rgba(30,77,59,0.12)}
.navbar{padding:14px 0;background:transparent}
.navbar-brand{display:flex;align-items:center;gap:10px;padding:0;margin:0}
.brand-icon{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--color-primary);
  color:#fff;
  font-family:var(--font-num);
  font-weight:800;
  font-size:20px;
  border-radius:10px;
  letter-spacing:0.5px;
}
.brand-text{
  font-size:20px;
  font-weight:700;
  color:var(--color-primary);
  font-family:var(--font-num);
  letter-spacing:0.5px;
}
.brand-text em{
  font-style:normal;
  font-size:14px;
  font-weight:500;
  color:var(--color-accent);
  margin-left:2px;
}
.navbar-nav{gap:6px}
.nav-item{margin:0 2px}
.nav-link{
  font-size:16px;
  font-weight:500;
  color:var(--color-text) !important;
  padding:8px 14px !important;
  border-radius:var(--radius-sm);
  position:relative;
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--color-primary) !important;background:rgba(30,77,59,0.06)}
.nav-link.active{
  color:var(--color-primary) !important;
  font-weight:600;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--color-accent);
  border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-pill);
  padding:4px 6px 4px 16px;
  width:200px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.search-box:focus-within{border-color:var(--color-primary-light);box-shadow:0 0 0 4px rgba(30,77,59,0.1)}
.search-box input{
  border:none;
  outline:none;
  background:transparent;
  font-size:14px;
  color:var(--color-text);
  width:100%;
}
.search-box button{
  border:none;
  background:var(--color-primary);
  color:#fff;
  width:30px;height:30px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:background .25s ease;
}
.search-box button:hover{background:var(--color-accent)}
.nav-login{
  font-size:15px;
  font-weight:500;
  color:var(--color-text);
  padding:8px 4px;
  transition:color .25s ease;
}
.nav-login:hover{color:var(--color-accent)}
.nav-cta{
  background:linear-gradient(135deg,#F26522,#F28B3D);
  color:#fff !important;
  font-size:15px;
  font-weight:600;
  border:none;
  border-radius:var(--radius-sm);
  padding:10px 22px;
  box-shadow:0 4px 14px rgba(242,101,34,0.25);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.nav-cta:hover{filter:brightness(1.05);box-shadow:0 8px 22px rgba(242,101,34,0.35);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(242,101,34,0.25)}
.navbar-toggler{border:none;outline:none;padding:4px 8px}
.navbar-toggler:focus{box-shadow:none}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E4D3B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
@media(max-width:991.98px){
  .navbar-nav{padding:16px 0 8px}
  .nav-link.active::after{display:none}
  .nav-right{padding-bottom:16px;flex-wrap:wrap}
  .search-box{width:100%;order:-1}
  .nav-login{margin-left:auto}
}
@media(max-width:575.98px){
  .brand-text{font-size:17px}
  .brand-text em{font-size:12px}
  .nav-cta{padding:8px 16px;font-size:14px}
}

/* 分类页 Hero */
.page-hero{
  position:relative;
  background:var(--color-bg);
  padding:72px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  width:340px;height:340px;
  border-radius:50%;
  background:rgba(30,77,59,0.06);
  top:-100px;right:-80px;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:160px;height:160px;
  border-radius:50%;
  background:rgba(242,101,34,0.08);
  bottom:-50px;right:180px;
}
.page-hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--color-border);
  color:var(--color-primary);
  font-size:13px;
  font-weight:600;
  padding:8px 18px;
  border-radius:var(--radius-pill);
  margin-bottom:22px;
  box-shadow:var(--shadow-default);
}
.hero-tag i{color:var(--color-accent)}
.page-hero h1{
  font-size:44px;
  font-weight:700;
  color:var(--color-primary);
  line-height:1.3;
  margin-bottom:14px;
  letter-spacing:-1px;
}
.page-hero h1 span{color:var(--color-accent)}
.hero-sub{
  font-size:18px;
  color:var(--color-muted);
  max-width:440px;
  margin-bottom:30px;
  line-height:1.8;
}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
.btn-hero-primary{
  background:var(--color-primary);
  color:#fff;
  font-size:16px;
  font-weight:600;
  border:none;
  border-radius:var(--radius-sm);
  padding:13px 30px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  box-shadow:0 6px 18px rgba(30,77,59,0.2);
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-hero-primary:hover{background:var(--color-primary-light);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,77,59,0.25)}
.btn-hero-text{
  font-size:15px;
  font-weight:600;
  color:var(--color-primary);
  border-bottom:2px solid var(--color-accent);
  padding-bottom:2px;
  transition:color .25s ease,border-color .25s ease;
}
.btn-hero-text:hover{color:var(--color-accent);border-color:var(--color-accent)}
.hero-note{
  display:flex;
  gap:18px;
  margin-top:28px;
  color:var(--color-muted);
  font-size:13px;
}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note i{color:var(--color-accent)}
@media(max-width:768px){
  .page-hero{padding:52px 0}
  .page-hero h1{font-size:32px}
  .hero-sub{font-size:16px}
}
@media(max-width:575.98px){
  .hero-actions .btn-hero-primary{width:100%;justify-content:center}
  .hero-note{flex-direction:column;gap:8px}
}

/* 栏目价值区 */
.problem-section{background:#fff;border-top:1px solid var(--color-border)}
.problem-grid{align-items:center}
.problem-content .section-title{line-height:1.4}
.problem-lead{
  font-size:18px;
  font-weight:600;
  color:var(--color-primary);
  margin-bottom:14px;
}
.problem-text{
  font-size:15px;
  color:var(--color-muted);
  line-height:1.9;
  margin-bottom:16px;
}
.problem-list{list-style:none;padding:0;margin:0 0 28px}
.problem-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--color-text);
  margin-bottom:12px;
}
.problem-list li i{color:var(--color-accent);margin-top:5px;font-size:14px}
.problem-image{position:relative}
.problem-image img{
  width:100%;
  height:auto;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);
}
.problem-badge{
  position:absolute;
  left:20px;bottom:20px;
  background:var(--color-primary);
  color:#fff;
  border-radius:var(--radius-md);
  padding:14px 20px;
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  box-shadow:0 10px 24px rgba(30,77,59,0.3);
}
.problem-badge i{color:#F28B3D}
@media(max-width:991.98px){
  .problem-grid .problem-image{margin-top:36px}
  .problem-badge{left:10px;bottom:10px;font-size:13px;padding:10px 14px}
}

/* 内容方向卡片 */
.coverage-section{background:var(--color-bg)}
.coverage-grid{margin-top:8px}
.coverage-card{
  background:var(--color-card);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-default);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.coverage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.coverage-cover{position:relative;overflow:hidden}
.coverage-cover img{
  width:100%;
  height:220px;
  object-fit:cover;
  transition:transform .5s ease;
}
.coverage-card:hover .coverage-cover img{transform:scale(1.05)}
.coverage-tag{
  position:absolute;
  left:16px;top:16px;
  background:var(--color-accent-soft);
  color:var(--color-accent-hover);
  font-size:12px;
  font-weight:600;
  padding:5px 14px;
  border-radius:var(--radius-pill);
}
.coverage-body{padding:24px 24px 20px;display:flex;flex-direction:column;flex:1}
.coverage-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--color-primary);
  margin-bottom:10px;
  line-height:1.5;
}
.coverage-body p{
  font-size:14px;
  color:var(--color-muted);
  line-height:1.8;
  margin-bottom:16px;
  flex:1;
}
.coverage-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--color-primary);
  transition:gap .25s ease,color .25s ease;
}
.coverage-link i{font-size:12px}
.coverage-link:hover{color:var(--color-accent);gap:10px}
@media(max-width:575.98px){
  .coverage-cover img{height:180px}
  .coverage-body{padding:18px}
}

/* 数据横条 */
.stats-band{
  background:linear-gradient(135deg,#1E4D3B,#16382D);
  padding:56px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:10px 0}
.stat-number{
  font-family:var(--font-num);
  font-size:44px;
  font-weight:800;
  color:var(--color-accent);
  line-height:1.2;
  letter-spacing:0.5px;
  display:block;
  margin-bottom:6px;
}
.stat-label{
  font-size:14px;
  color:rgba(255,255,255,0.8);
  font-weight:500;
  letter-spacing:1px;
}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat-number{font-size:34px}
}
@media(max-width:575.98px){
  .stats-band{padding:44px 0}
}

/* 流程区 */
.process-section{background:#fff;border-bottom:1px solid var(--color-border)}
.process-grid{margin-top:10px}
.process-item{
  background:var(--color-bg);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  height:100%;
  position:relative;
  transition:box-shadow .3s ease,transform .3s ease;
}
.process-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.step-num{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1px rgba(242,101,34,0.5);
  line-height:1;
  display:block;
  margin-bottom:18px;
}
.process-item h3{
  font-size:18px;
  font-weight:700;
  color:var(--color-primary);
  margin-bottom:12px;
}
.process-item p{font-size:14px;color:var(--color-muted);line-height:1.8;margin:0}
.step-icon{
  position:absolute;
  right:20px;top:20px;
  width:40px;height:40px;
  background:var(--color-accent-soft);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--color-accent);
  font-size:16px;
}
@media(max-width:768px){
  .process-item{margin-bottom:20px;padding:24px 20px}
  .step-num{font-size:32px}
}

/* FAQ */
.faq-section{background:var(--color-bg)}
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{
  border:1px solid var(--color-border);
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-default);
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--color-text);
  background:#fff;
  padding:20px 24px;
  border:none;
  transition:color .25s ease,background .25s ease;
}
.accordion-button:not(.collapsed){
  color:var(--color-primary);
  background:var(--color-bg);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(30,77,59,0.15)}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23F26522'%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");
}
.accordion-body{
  padding:6px 24px 22px;
  font-size:15px;
  color:var(--color-muted);
  line-height:1.9;
  background:var(--color-bg);
  border-top:1px solid var(--color-border);
}
@media(max-width:575.98px){
  .accordion-button{font-size:15px;padding:16px 18px}
  .accordion-body{padding:6px 18px 18px}
}

/* CTA 区 */
.cta-section{padding:64px 0;background:var(--color-bg)}
.cta-box{
  position:relative;
  background:linear-gradient(120deg,rgba(30,77,59,0.94),rgba(22,56,45,0.88)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-radius:var(--radius-lg);
  padding:52px 56px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  overflow:hidden;
}
.cta-box::after{
  content:"";
  position:absolute;
  width:220px;height:220px;
  border-radius:50%;
  border:40px solid rgba(255,255,255,0.05);
  top:-80px;right:-40px;
}
.cta-info{position:relative;z-index:2}
.cta-info h2{
  font-size:30px;
  font-weight:700;
  margin-bottom:12px;
}
.cta-info p{font-size:15px;color:rgba(255,255,255,0.85);margin:0;line-height:1.8;max-width:500px}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:14px;}
.cta-actions .btn-primary{
  background:linear-gradient(135deg,#F26522,#F28B3D);
  color:#fff;
  font-size:16px;
  font-weight:600;
  border:none;
  border-radius:var(--radius-sm);
  padding:14px 34px;
  box-shadow:0 8px 24px rgba(242,101,34,0.4);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.cta-actions .btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 12px 30px rgba(242,101,34,0.45)}
.cta-actions .btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(242,101,34,0.3)}
.cta-links{display:flex;gap:20px;font-size:14px;color:rgba(255,255,255,0.8)}
.cta-links a{color:#fff;border-bottom:1px solid rgba(255,255,255,0.4);padding-bottom:2px;transition:color .25s ease,border-color .25s ease}
.cta-links a:hover{color:#F28B3D;border-color:#F28B3D}
@media(max-width:991.98px){
  .cta-box{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media(max-width:575.98px){
  .cta-section{padding:48px 0}
  .cta-box{padding:32px 24px}
  .cta-info h2{font-size:24px}
  .cta-actions .btn-primary{width:100%;text-align:center}
}

/* Footer */
.site-footer{
  background:var(--color-primary);
  color:rgba(255,255,255,0.8);
  padding:60px 0 0;
  font-size:14px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-icon{background:rgba(255,255,255,0.12);color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#F28B3D}
.footer-desc{
  font-size:14px;
  color:rgba(255,255,255,0.65);
  line-height:1.8;
  margin:0;
  max-width:280px;
}
.footer-title{
  font-size:16px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:rgba(255,255,255,0.7);
  font-size:14px;
  transition:color .25s ease,padding-left .25s ease;
}
.footer-links a:hover{color:#F28B3D;padding-left:4px}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,0.7);
  margin-bottom:12px;
  font-family:var(--font-num);
  letter-spacing:0.3px;
}
.footer-contact li i{width:16px;color:#F28B3D}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,0.12);
  padding:18px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,0.5);
}
@media(max-width:768px){
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* Modal */
.modal-content{
  border:none;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-modal);
  overflow:hidden;
}
.modal-header{
  background:var(--color-primary);
  color:#fff;
  padding:20px 28px;
  border:none;
}
.modal-header .modal-title{font-size:20px;font-weight:700}
.modal-header .btn-close{
  filter:invert(1) brightness(2);
  opacity:0.8;
}
.modal-body{padding:28px}
.modal-tip{
  font-size:14px;
  color:var(--color-muted);
  margin-bottom:22px;
}
.form-control,.form-select{
  border:1px solid #D8D2C8;
  border-radius:var(--radius-sm);
  height:46px;
  font-size:14px;
  color:var(--color-text);
  background:#fff;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--color-primary);
  box-shadow:0 0 0 4px rgba(30,77,59,0.12);
  outline:none;
}
.form-check-input{
  border-color:#D8D2C8;
}
.form-check-input:checked{
  background-color:var(--color-primary);
  border-color:var(--color-primary);
}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(30,77,59,0.12)}
.form-check-label{font-size:13px;color:var(--color-muted)}
.modal-body .btn-primary{
  background:linear-gradient(135deg,#F26522,#F28B3D);
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  padding:13px 20px;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.modal-body .btn-primary:hover{filter:brightness(1.05);box-shadow:0 8px 22px rgba(242,101,34,0.35)}
@media(max-width:575.98px){
  .modal-body{padding:20px}
}

/* 通用按钮辅助 */
.btn-primary{
  --bs-btn-bg:var(--color-accent);
  --bs-btn-border-color:var(--color-accent);
  --bs-btn-hover-bg:var(--color-accent-hover);
  --bs-btn-hover-border-color:var(--color-accent-hover);
  --bs-btn-active-bg:var(--color-accent-hover);
  --bs-btn-active-border-color:var(--color-accent-hover);
  --bs-btn-disabled-bg:var(--color-accent);
  --bs-btn-disabled-border-color:var(--color-accent);
}