/* roulang page: index */
:root {
    --primary: #16685B;
    --primary-dark: #0F4C44;
    --accent: #E4A853;
    --bg-light: #EAF1EE;
    --bg-page: #FBFCFA;
    --text-main: #142725;
    --text-sub: #5A6E6A;
    --border: #D9E2DF;
    --white: #FFFFFF;
    --muted: #82918D;
    --radius: 10px;
    --radius-small: 6px;
    --shadow: 0 8px 24px rgba(15, 76, 68, 0.08);
    --section-space: 96px;
    --space-md: 24px;
    --space-sm: 16px;
    --container-width: 1280px;
    --font-stack: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    background: var(--bg-page);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

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

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

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

p {
    margin: 0 0 1em;
    line-height: 1.8;
    font-size: 16px;
    color: var(--text-sub);
}

h1, h2, h3, h4 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.25;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-small);
    background: var(--primary);
    color: var(--white);
    border: 1px solid var(--primary);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: background .25s ease, transform .25s ease, box-shadow .25s ease, color .25s ease, border-color .25s;
    white-space: nowrap;
}

.btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateX(1px);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn-highlight {
    background: var(--accent);
    border-color: var(--accent);
    color: #142725;
}

.btn-highlight:hover {
    background: #eeb968;
    border-color: #eeb968;
    color: #142725;
}

.btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: #fff;
    color: #fff;
}

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

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

.btn-lg {
    min-height: 52px;
    padding: 0 32px;
    font-size: 16px;
}

.btn-sm {
    min-height: 36px;
    padding: 0 16px;
    font-size: 14px;
}

/* ===== Top bar ===== */
.top-bar {
    background: var(--primary-dark);
    color: #dbe8e4;
    font-size: 13px;
    height: 36px;
    min-height: 36px;
}

.top-bar .container {
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.top-bar .info-left,
.top-bar .info-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar .info-right a {
    color: #dbe8e4;
    text-decoration: none;
    font-weight: 500;
}

.top-bar .info-right a:hover {
    color: var(--accent);
}

/* ===== Header & Nav ===== */
.site-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 4px 18px rgba(15,76,68,0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.brand:hover {
    color: var(--text-main);
}

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 40px;
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.brand-mark::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 3px;
    bottom: 8px;
    background: var(--accent);
    border-radius: 2px;
}

.brand-text {
    line-height: 1.1;
    color: var(--text-main);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
}

.main-nav ul li {
    list-style: none;
    margin: 0;
}

.main-nav ul li a {
    position: relative;
    display: inline-block;
    padding: 22px 10px;
    color: var(--text-sub);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: color .2s;
}

.main-nav ul li a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 12px;
    width: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width .25s ease;
}

.main-nav ul li a:hover {
    color: var(--primary);
}

.main-nav ul li.active a {
    color: var(--primary);
    font-weight: 600;
}

.main-nav ul li.active a::after {
    width: 22px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-small);
    font-size: 22px;
    color: var(--primary);
    cursor: pointer;
    line-height: 1;
    align-items: center;
    justify-content: center;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(100deg, #0F4039 0%, #0B3933 60%, #0d4c41 100%);
    position: relative;
    overflow: hidden;
    padding: 84px 0 88px;
    color: #fff;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    opacity: .22;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(11,57,51,0.92) 0%, rgba(11,57,51,0.85) 45%, rgba(13,76,65,0.7) 100%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    width: 55%;
    max-width: 640px;
    color: #fff;
}

.hero-content .eyebrow {
    background: rgba(228,168,83,0.18);
    border: 1px solid rgba(228,168,83,0.35);
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 30px;
    color: #f2d3a4;
    font-size: 13px;
    margin-bottom: 24px;
}

.hero-content h1 {
    color: #fff;
    font-size: 52px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-desc {
    color: rgba(255,255,255,0.82);
    font-size: 18px;
    line-height: 1.75;
    margin-bottom: 14px;
}

.hero-note {
    color: rgba(255,255,255,0.64);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

/* ===== Login Panel ===== */
.login-panel-wrap {
    width: 400px;
    max-width: 100%;
    flex: 0 0 400px;
    position: relative;
    z-index: 3;
}

.login-panel {
    background: #FFFFFF;
    border-radius: var(--radius);
    padding: 32px 30px 24px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.18);
    color: var(--text-main);
}

.login-panel .login-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-main);
}

.login-panel .login-sub {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 24px;
}

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

.login-form label {
    display: block;
    font-size: 13px;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 6px;
}

.login-form input {
    width: 100%;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    background: #F5F7F6;
    padding: 0 14px;
    font-size: 15px;
    color: var(--text-main);
    transition: all .2s;
}

.login-form input:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(22,104,91,0.15);
}

.login-form .btn {
    width: 100%;
    margin-top: 4px;
}

.login-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
    font-size: 13px;
}

.login-meta a {
    color: var(--primary);
    font-weight: 500;
}

.login-panel .register-link {
    margin-top: 22px;
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 18px;
    font-size: 14px;
    color: var(--text-sub);
}

.login-panel .register-link a {
    color: var(--primary);
    font-weight: 600;
}

/* ===== Sections general ===== */
.section {
    padding: var(--section-space) 0;
}

.section-alt {
    background: var(--bg-light);
}

.section-head {
    margin-bottom: 48px;
    max-width: 760px;
}

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

.section-head .section-kicker {
    display: inline-block;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.section-head h2 {
    font-size: 32px;
    line-height: 1.3;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-head p {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 0;
}

/* ===== Value section ===== */
.value-wrap {
    display: flex;
    gap: 64px;
    align-items: flex-start;
}

.value-statement {
    flex: 1;
}

.value-statement h2 {
    font-size: 32px;
    line-height: 1.4;
    color: var(--text-main);
    margin-bottom: 16px;
}

.value-statement p {
    color: var(--text-sub);
    margin-bottom: 0;
    max-width: 420px;
}

.value-compare {
    flex: 1;
    border-left: 1px solid var(--border);
    padding-left: 48px;
}

.compare-row {
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
}

.compare-row:last-child {
    border-bottom: none;
}

.compare-row .compare-title {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
    gap: 8px;
}

.compare-row .compare-title .icon-bullet {
    color: var(--accent);
    font-size: 20px;
    line-height: 1;
}

.compare-row .compare-text {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 0;
}

/* ===== Feature ===== */
.feature-main-card {
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    overflow: hidden;
    align-items: stretch;
    margin-bottom: 32px;
    transition: box-shadow .3s ease;
}

.feature-main-card:hover {
    box-shadow: var(--shadow);
}

.feature-card-visual {
    flex: 5;
    min-height: 320px;
    position: relative;
    background: #dfe9e5;
    overflow: hidden;
}

.feature-card-visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card-body {
    flex: 7;
    padding: 48px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.feature-card-body .feature-tag {
    background: rgba(228,168,83,0.15);
    color: #8a5a24;
    font-size: 13px;
    padding: 4px 14px;
    border-radius: 30px;
    margin-bottom: 16px;
}

.feature-card-body h3 {
    font-size: 26px;
    margin-bottom: 14px;
    color: var(--text-main);
}

.feature-card-body p {
    color: var(--text-sub);
    margin-bottom: 24px;
    max-width: 460px;
}

.feature-strip {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
    margin-bottom: 20px;
    transition: box-shadow .3s;
}

.feature-strip:hover {
    box-shadow: var(--shadow);
}

.feature-strip.strip-alt {
    background: var(--bg-page);
}

.strip-image {
    width: 45%;
    min-height: 250px;
    background: #dae7e1;
    position: relative;
    overflow: hidden;
}

.strip-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.strip-content {
    width: 55%;
    padding: 44px;
}

.strip-content h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.strip-content p {
    color: var(--text-sub);
    margin-bottom: 18px;
    font-size: 15px;
    max-width: 440px;
}

.feature-strip.reverse .strip-image {
    order: 2;
}

.feature-strip.reverse .strip-content {
    order: 1;
}

/* ===== Scenarios ===== */
.scenarios {
    border-top: 1px solid var(--border);
}

.scenario-item {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
    transition: background .2s;
}

.scenario-item .scenario-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    min-width: 90px;
    font-family: var(--font-stack);
    letter-spacing: -0.03em;
}

.scenario-item .scenario-body {
    flex: 1;
    padding-top: 8px;
    max-width: 700px;
}

.scenario-item .scenario-body h3 {
    font-size: 22px;
    margin-bottom: 8px;
    transition: color .2s;
    cursor: default;
}

.scenario-item:hover .scenario-body h3 {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.scenario-item .scenario-body p {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 0;
}

/* ===== Cases ===== */
.case-card {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    overflow: hidden;
    gap: 0;
    margin-bottom: 80px;
    transition: box-shadow .3s;
}

.case-card:hover {
    box-shadow: var(--shadow);
}

.case-visual {
    flex: 1;
    min-height: 300px;
    background: #e4ece8;
    position: relative;
    overflow: hidden;
}

.case-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
}

.case-content {
    flex: 1;
    padding: 40px;
}

.case-content .case-label {
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.case-content h3 {
    font-size: 24px;
    color: var(--text-main);
    margin-bottom: 12px;
}

.case-content p {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 24px;
}

.case-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.stat-item {
    flex: 0 0 auto;
}

.stat-item .stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.stat-item .stat-value small {
    font-size: 18px;
    font-weight: 600;
}

.stat-item .stat-label {
    font-size: 13px;
    color: var(--text-sub);
    margin-top: 4px;
}

.case-card.reversed .case-visual {
    order: 2;
}

.case-card.reversed .case-content {
    order: 1;
}

/* ===== Pricing ===== */
.pricing-shell {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
}

.pricing-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 30px 32px;
    border-bottom: 1px solid var(--border);
    transition: background .2s;
}

.pricing-row:last-child {
    border-bottom: 0;
}

.pricing-row:hover {
    background: #F2F6F4;
}

.pricing-row.recommend {
    border-left: 4px solid var(--primary);
    position: relative;
}

.pricing-main {
    flex: 3;
}

.pricing-main .plan {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pricing-main .plan .badge {
    background: rgba(228,168,83,0.14);
    color: #8a5f26;
    font-size: 12px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 20px;
    line-height: 1.5;
}

.pricing-main .plan-desc {
    font-size: 14px;
    color: var(--text-sub);
}

.pricing-audience {
    flex: 2;
    font-size: 14px;
    color: var(--text-sub);
}

.pricing-cta {
    flex: 1;
    text-align: right;
}

/* ===== News ===== */
.news-section {
    background: var(--bg-page);
}

.news-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.news-card {
    width: calc(50% - 12px);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    transition: box-shadow .25s;
}

.news-card:hover {
    box-shadow: var(--shadow);
}

.news-card .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 12px;
}

.news-card .news-meta .tag {
    background: var(--bg-light);
    color: var(--primary-dark);
    padding: 2px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.news-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
}

.news-card h3 a {
    color: var(--text-main);
    text-decoration: none;
    display: inline-block;
}

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

.news-card .news-excerpt {
    color: var(--text-sub);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.7;
}

.news-card .news-link {
    font-size: 14px;
    font-weight: 500;
}

.news-empty {
    width: 100%;
    border: 1px dashed var(--border);
    background: var(--white);
    padding: 64px 24px;
    text-align: center;
    border-radius: var(--radius);
    color: var(--muted);
    font-size: 15px;
}

/* ===== FAQ ===== */
.faq-wrap {
    display: flex;
    gap: 56px;
    align-items: flex-start;
}

.faq-left {
    width: 300px;
    flex: 0 0 300px;
}

.faq-left h2 {
    font-size: 30px;
    margin-bottom: 12px;
}

.faq-left p {
    color: var(--text-sub);
    font-size: 14px;
}

.faq-accordion {
    flex: 1;
    background: transparent;
}

.faq-accordion .accordion-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-accordion .accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 52px;
    padding: 14px 22px;
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    background: #fff;
    border: none;
    text-decoration: none;
    position: relative;
    cursor: pointer;
    transition: color .2s;
}

.faq-accordion .accordion-title:hover {
    color: var(--primary);
}

.faq-accordion .accordion-title::after {
    content: "+";
    font-size: 24px;
    color: var(--primary);
    transition: transform .25s;
    flex: 0 0 24px;
    text-align: center;
}

.faq-accordion .accordion-item.is-active .accordion-title::after {
    content: "−";
}

.faq-accordion .accordion-content {
    padding: 0 22px 20px;
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
    background: #fff;
    border-top: none;
}

/* ===== CTA Banner ===== */
.cta-banner {
    background: var(--primary-dark);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    opacity: 0.08;
}

.cta-inner {
    position: relative;
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
    padding: 72px 24px;
}

.cta-inner h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 12px;
}

.cta-inner p {
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin: 0 auto 28px;
    font-size: 16px;
}

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

/* ===== Footer ===== */
.site-footer {
    background: var(--primary-dark);
    color: #c6d8d3;
    padding: 64px 0 0;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand {
    flex: 2;
    min-width: 260px;
}

.footer-brand .brand-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand .brand-name .brand-mark {
    background: #fff;
    color: var(--primary-dark);
}

.footer-brand .brand-name .brand-mark::after {
    background: var(--primary);
}

.footer-brand p {
    color: #9db9b3;
    font-size: 14px;
    margin-bottom: 20px;
    max-width: 320px;
}

.footer-col {
    flex: 1;
    min-width: 160px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-col ul li {
    list-style: none;
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #9db9b3;
    font-size: 14px;
    text-decoration: none;
    transition: color .2s;
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.footer-contact li {
    color: #9db9b3;
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-contact li strong {
    color: #d6e6e1;
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    font-size: 13px;
    color: #9db9b3;
    text-align: center;
}

.footer-bottom a {
    color: #9db9b3;
}

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

/* ===== Mobile Nav ===== */
.mobile-nav-panel {
    display: none;
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 24px;
}

.mobile-nav-panel.open {
    display: block;
}

.mobile-nav-panel ul li {
    border-bottom: 1px solid var(--border);
}

.mobile-nav-panel ul li a {
    display: block;
    padding: 14px 4px;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-main);
}

.mobile-nav-panel ul li.active a {
    color: var(--primary);
    border-left: 3px solid var(--accent);
    padding-left: 12px;
}

.mobile-nav-cta {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-nav-cta .btn {
    width: 100%;
}

/* ===== Responsive ===== */
@media (max-width: 1024.98px) {
    .section {
        --section-space: 72px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero .container {
        flex-direction: column;
        gap: 48px;
    }

    .hero-content {
        width: 100%;
        max-width: 720px;
    }

    .login-panel-wrap {
        width: 100%;
        max-width: 480px;
        flex: 1 1 auto;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .header-actions .btn {
        display: none;
    }

    .value-wrap {
        flex-direction: column;
        gap: 32px;
    }

    .value-compare {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border);
        padding-top: 32px;
    }

    .feature-card-visual {
        min-height: 230px;
    }

    .feature-card-body {
        padding: 32px;
    }

    .strip-image {
        width: 40%;
        min-height: 200px;
    }

    .strip-content {
        width: 60%;
        padding: 28px;
    }

    .faq-wrap {
        flex-direction: column;
        gap: 32px;
    }

    .faq-left {
        width: 100%;
        flex: 1;
    }
}

@media (max-width: 767.98px) {
    .section {
        --section-space: 56px;
    }

    .top-bar .info-left {
        display: none;
    }

    .top-bar .container {
        justify-content: center;
    }

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

    .hero-desc {
        font-size: 16px;
    }

    .feature-main-card {
        flex-direction: column;
    }

    .feature-card-visual {
        min-height: 220px;
    }

    .feature-card-body {
        padding: 32px 24px;
    }

    .feature-strip {
        flex-direction: column;
    }

    .strip-image,
    .strip-content,
    .feature-strip.reverse .strip-image,
    .feature-strip.reverse .strip-content {
        width: 100%;
        min-height: 0;
    }

    .strip-image {
        min-height: 200px;
        order: 0 !important;
    }

    .strip-content {
        order: 1 !important;
        padding: 28px 24px;
    }

    .scenario-item {
        flex-direction: column;
        gap: 18px;
        padding: 28px 0;
    }

    .scenario-item .scenario-num {
        font-size: 40px;
    }

    .case-card,
    .case-card.reversed {
        flex-direction: column;
    }

    .case-card.reversed .case-visual {
        order: 1;
    }

    .case-card.reversed .case-content {
        order: 2;
    }

    .case-visual {
        width: 100%;
        min-height: 200px;
        position: relative;
    }

    .case-content {
        padding: 28px 24px;
    }

    .pricing-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .pricing-main,
    .pricing-audience {
        width: 100%;
    }

    .pricing-cta {
        text-align: left;
        width: 100%;
    }

    .news-card {
        width: 100%;
    }

    .footer-grid {
        flex-direction: column;
        gap: 32px;
    }
}

@media (max-width: 640.98px) {
    .brand {
        font-size: 19px;
    }

    .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }

    .header-inner {
        height: 64px;
    }

    .container {
        padding: 0 16px;
    }

    .btn-lg {
        min-height: 46px;
        padding: 0 22px;
        font-size: 15px;
    }

    .login-panel {
        padding: 26px 20px 20px;
    }

    .case-stats {
        gap: 20px;
    }

    .stat-item .stat-value {
        font-size: 28px;
    }
}

@media (max-width: 520px) {
    .hero-ctas .btn {
        width: 100%;
        justify-content: center;
    }

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

/* roulang page: article */
:root{
    --c-main:#16685B;
    --c-main-dark:#0F4C44;
    --c-gold:#E4A853;
    --c-bg-light:#EAF1EE;
    --c-bg-page:#FBFCFA;
    --c-text:#142725;
    --c-text-sub:#5A6E6A;
    --c-border:#D9E2DF;
    --c-white:#FFFFFF;
    --c-empty:#82918D;
    --radius:10px;
    --radius-btn:6px;
    --shadow-card:0 8px 24px rgba(15,76,68,.08);
    --font-main:"Inter",-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --container:1280px;
    --gutter:24px;
    --space-section:96px;
}

*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    padding:0;
    background:var(--c-bg-page);
    color:var(--c-text);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-main);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--c-main-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
button{background:none;border:none;cursor:pointer;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--c-main);
    outline-offset:2px;
    border-radius:4px;
}
.container{
    max-width:var(--container);
    margin:0 auto;
    padding-left:var(--gutter);
    padding-right:var(--gutter);
    width:100%;
}
.grid-container{padding-left:var(--gutter);padding-right:var(--gutter)}

/* topbar */
.topbar{
    background:var(--c-main-dark);
    color:#D8E6E2;
    font-size:13px;
    line-height:36px;
}
.topbar-inner{
    max-width:var(--container);
    margin:0 auto;
    padding:0 var(--gutter);
    display:flex;
    justify-content:space-between;
    gap:20px;
}
.topbar-domain{letter-spacing:.02em}
.topbar-slogan{color:#B9CFCA}

/* header & nav */
.site-header{
    background:var(--c-white);
    border-bottom:1px solid var(--c-border);
    position:relative;
    z-index:50;
}
.site-header.is-sticky{
    position:sticky;
    top:0;
    box-shadow:0 2px 10px rgba(15,76,68,.04);
}
.header-inner{
    max-width:var(--container);
    margin:0 auto;
    height:72px;
    padding:0 var(--gutter);
    display:flex;
    align-items:center;
    gap:24px;
}
.brand{flex:0 0 auto;display:inline-flex;align-items:center;line-height:1.1}
.brand-mark{
    display:inline-flex;
    align-items:center;
    background:var(--c-main-dark);
    color:#fff;
    font-size:12px;
    font-weight:700;
    letter-spacing:.12em;
    text-transform:lowercase;
    padding:5px 10px;
    border-radius:6px 2px 6px 2px;
    margin-right:8px;
}
.brand-name{
    color:var(--c-main-dark);
    font-size:20px;
    font-weight:700;
    white-space:nowrap;
}
.main-nav{
    flex:1;
    display:flex;
    justify-content:center;
    min-width:0;
}
.main-nav ul{
    list-style:none;
    margin:0;
    padding:0;
    display:flex;
    align-items:center;
    gap:8px;
}
.main-nav li a{
    display:inline-flex;
    align-items:center;
    padding:12px 16px;
    color:var(--c-text);
    font-weight:500;
    position:relative;
    border-radius:6px;
    font-size:15px;
}
.main-nav li a:hover{
    color:var(--c-main);
    background:rgba(22,104,91,.05);
}
.main-nav li.active a{
    color:var(--c-main-dark);
    font-weight:600;
}
.main-nav li.active a::after{
    content:"";
    position:absolute;
    left:18px;
    right:18px;
    bottom:2px;
    height:3px;
    background:var(--c-gold);
    border-radius:3px;
}
.header-cta{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--c-gold);
    color:var(--c-text);
    font-size:14px;
    font-weight:600;
    height:40px;
    padding:0 18px;
    border-radius:var(--radius-btn);
    transition:filter .2s ease,background .2s ease;
}
.header-cta:hover{
    background:#EEB868;
    color:var(--c-text);
}
.nav-toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:42px;
    height:42px;
    border:1px solid var(--c-border);
    border-radius:8px;
    padding:8px;
    background:#fff;
}
.nav-toggle span{
    display:block;
    height:2px;
    width:100%;
    background:var(--c-main-dark);
    border-radius:2px;
}

/* breadcrumb */
.crumb-nav{
    font-size:13px;
    color:var(--c-text-sub);
    margin-bottom:16px;
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    align-items:center;
}
.crumb-nav a{
    color:var(--c-text-sub);
}
.crumb-nav a:hover{color:var(--c-main)}
.crumb-sep{opacity:.6}

/* article hero / dynamic TDK */
.article-hero{
    background:
        linear-gradient(108deg,rgba(10,58,51,.94) 0%,rgba(15,76,68,.88) 52%,rgba(22,104,91,.86) 100%),
        url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    color:#fff;
    padding:72px 0 80px;
    position:relative;
}
.article-hero-inner{position:relative;z-index:2}
.crumb-nav.light,
.crumb-nav.light a{color:rgba(255,255,255,.74)}
.crumb-nav.light a:hover{color:#fff}
.head-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:#F4D9AE;
    background:rgba(228,168,83,.15);
    border:1px solid rgba(228,168,83,.45);
    border-radius:999px;
    font-size:13px;
    padding:3px 14px;
    margin-bottom:18px;
    letter-spacing:.03em;
}
.article-hero h1{
    color:#fff;
    font-size:52px;
    line-height:1.18;
    font-weight:700;
    margin:0 0 16px;
    max-width:900px;
    letter-spacing:-.01em;
}
.article-hero-desc{
    color:#DCE9E5;
    font-size:17px;
    line-height:1.8;
    max-width:820px;
    margin:0 0 24px;
    word-break:break-word;
}
.head-meta{
    display:flex;
    flex-wrap:wrap;
    gap:16px 28px;
    font-size:14px;
    color:#C4DAD5;
}
.head-meta span{
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.head-meta strong{color:rgba(255,255,255,.92);font-weight:600}
.article-hero-img{
    width:100%;
    height:360px;
    margin-top:44px;
    border-radius:16px;
    object-fit:cover;
    border:1px solid rgba(255,255,255,.14);
}

/* article main */
.article-layout{
    padding:64px 0 0;
}
.article-wrap{
    max-width:860px;
    margin:0 auto;
    padding:0 24px;
}
.article-category-row{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:24px;
}
.article-category{
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:var(--c-bg-light);
    border:1px solid var(--c-border);
    color:var(--c-main-dark);
    border-left:4px solid var(--c-main);
    font-size:13px;
    font-weight:600;
    padding:6px 14px;
    border-radius:6px;
}
.article-category a{color:var(--c-main-dark)}
.article-category a:hover{color:var(--c-main)}
.article-title{
    font-size:38px;
    line-height:1.3;
    margin:0 0 16px;
    color:var(--c-text);
    font-weight:700;
    word-break:break-word;
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    gap:14px 26px;
    color:var(--c-text-sub);
    font-size:14px;
    align-items:center;
    border-bottom:1px solid var(--c-border);
    padding-bottom:28px;
    margin-bottom:36px;
}
.article-meta .meta-icon{color:var(--c-main)}
.article-content{
    font-size:17px;
    line-height:2;
    color:#253B37;
    word-break:break-word;
}
.article-content > * + *{margin-top:1.2em}
.article-content h2{
    font-size:26px;
    color:var(--c-text);
    line-height:1.45;
    margin:1.8em 0 .6em;
    padding-left:0;
    position:relative;
}
.article-content h3{
    font-size:20px;
    color:var(--c-text);
    margin:1.6em 0 .5em;
    line-height:1.5;
}
.article-content p{
    margin:0 0 1.2em;
    color:#334A46;
}
.article-content a{
    color:var(--c-main);
    text-decoration:underline;
    text-underline-offset:3px;
}
.article-content a:hover{color:var(--c-gold)}
.article-content blockquote{
    margin:1.8em 0;
    padding:18px 24px;
    background:var(--c-bg-light);
    border-left:4px solid var(--c-main);
    border-radius:0 10px 10px 0;
    color:#405752;
    font-size:16px;
}
.article-content ul,
.article-content ol{
    padding-left:1.5em;
    margin:1.2em 0;
}
.article-content li{
    margin:.5em 0;
    color:#334A46;
}
.article-content img{
    border-radius:12px;
    margin:1.6em auto;
    width:100%;
    height:auto;
    object-fit:cover;
}
.article-content table{
    width:100%;
    border-collapse:collapse;
    margin:1.5em 0;
    background:#fff;
    border-radius:10px;
    overflow:hidden;
}
.article-content th,
.article-content td{
    border:1px solid var(--c-border);
    padding:10px 14px;
    text-align:left;
    font-size:15px;
}
.article-content th{
    background:var(--c-bg-light);
    color:var(--c-main-dark);
    font-weight:600;
}
.article-content code{
    background:#EFF4F2;
    padding:2px 8px;
    border-radius:6px;
    font-size:.92em;
    color:var(--c-main-dark);
    word-break:break-all;
}

/* related / pagination */
.article-pager-wrap{
    max-width:860px;
    margin:56px auto 0;
    padding:0 24px;
}
.pager-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}
.pager-chip{
    background:#fff;
    border:1px solid var(--c-border);
    border-radius:var(--radius);
    padding:20px 22px;
    display:flex;
    flex-direction:column;
    gap:8px;
    min-height:100px;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-chip:hover{
    border-color:rgba(22,104,91,.45);
    box-shadow:var(--shadow-card);
    transform:translateY(-2px);
}
.pager-chip span{
    font-size:13px;
    color:var(--c-text-sub);
}
.pager-chip strong{
    font-size:16px;
    color:var(--c-main-dark);
    font-weight:600;
    word-break:break-word;
}
.pager-chip.next{text-align:right;align-items:flex-end}
.pager-chip.next:hover{transform:translateY(-2px)}

.related-section{
    margin-top:64px;
    background:var(--c-bg-light);
    border-top:1px solid var(--c-border);
    padding:64px 0;
}
.related-section .related-header{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:32px;
}
.related-section h2{
    font-size:28px;
    color:var(--c-text);
    margin:0;
    font-weight:700;
    position:relative;
    padding-left:14px;
}
.related-section h2::before{
    content:'';
    position:absolute;
    left:0;
    top:.18em;
    bottom:.18em;
    width:5px;
    border-radius:4px;
    background:var(--c-gold);
}
.related-link-more{
    font-size:14px;
    color:var(--c-main-dark);
    border-bottom:1px solid transparent;
}
.related-link-more:hover{
    border-bottom-color:var(--c-main);
    color:var(--c-main);
}
.related-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.related-card{
    background:var(--c-white);
    border:1px solid var(--c-border);
    border-radius:var(--radius);
    padding:24px;
    display:flex;
    flex-direction:column;
    gap:10px;
    transition:transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{
    box-shadow:var(--shadow-card);
    transform:translateY(-4px);
}
.related-card .rel-tag{
    align-self:flex-start;
    font-size:12px;
    color:var(--c-main);
    background:var(--c-bg-light);
    padding:2px 10px;
    border-radius:999px;
}
.related-card h3{
    margin:0;
    font-size:18px;
    color:var(--c-text);
    line-height:1.5;
}
.related-card h3 a{color:inherit}
.related-card h3 a:hover{color:var(--c-main)}
.related-card p{
    margin:0;
    color:var(--c-text-sub);
    font-size:14px;
    line-height:1.7;
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-card .rel-go{
    margin-top:auto;
    font-size:14px;
    color:var(--c-main-dark);
    font-weight:600;
}
.related-card .rel-go:hover{color:var(--c-main)}

/* no post */
.no-post{
    padding:110px 24px;
    text-align:center;
}
.no-post h1{
    font-size:32px;
    color:var(--c-text);
    margin:0 0 16px;
}
.no-post p{
    max-width:520px;
    margin:0 auto 28px;
    color:var(--c-text-sub);
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:44px;
    padding:0 24px;
    border-radius:var(--radius-btn);
    background:var(--c-main);
    color:#fff;
    border:1px solid transparent;
    font-weight:600;
    font-size:15px;
    cursor:pointer;
    user-select:none;
    gap:8px;
    transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{
    background:var(--c-main-dark);
    color:#fff;
    transform:translateX(2px);
}
.btn-gold{
    background:var(--c-gold);
    color:var(--c-text);
}
.btn-gold:hover{
    background:#EDB96C;
    color:var(--c-text);
    transform:translateX(2px);
}

/* footer */
.site-footer{
    background:var(--c-main-dark);
    color:#D4E3DF;
    font-size:14px;
    line-height:1.9;
    padding:64px 0 0;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr .6fr .8fr 1fr;
    gap:48px;
    padding-bottom:48px;
}
.footer-brand .brand-name{
    display:flex;
    flex-direction:column;
    gap:5px;
    margin-bottom:20px;
}
.footer-brand .foo-mark{
    font-size:14px;
    color:#9ABCB4;
    letter-spacing:.2em;
}
.footer-brand .foo-name{
    font-size:22px;
    font-weight:700;
    color:#fff;
    letter-spacing:.01em;
}
.footer-brand p{
    color:#B9CFCA;
    font-size:14px;
    max-width:340px;
    margin:0;
    line-height:1.9;
}
.footer-col h4{
    color:#fff;
    font-size:16px;
    margin:0 0 18px;
    font-weight:600;
}
.footer-col ul{
    list-style:none;
    margin:0;
    padding:0;
}
.footer-col li{
    padding:4px 0;
}
.footer-col a{
    color:#B9CFCA;
}
.footer-col a:hover{
    color:var(--c-gold);
}
.footer-contact li{
    color:#B9CFCA;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0;
    text-align:center;
    font-size:13px;
    color:#93B3AC;
}
.footer-bottom p{margin:0}

/* responsive */
@media screen and (max-width:1100px){
    .pager-grid{grid-template-columns:1fr 1fr}
}

@media screen and (max-width:1024px){
    :root{--space-section:72px}
    .article-hero h1{font-size:44px}
    .article-wrap{max-width:780px}
    .article-pager-wrap{max-width:780px}
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:36px;
    }
}

@media screen and (max-width:900px){
    .nav-toggle{
        display:flex;
        margin-left:auto;
    }
    .header-inner{
        flex-wrap:nowrap;
    }
    .header-cta{display:none}
    .main-nav{
        position:fixed;
        top:0;
        right:0;
        height:100vh;
        width:300px;
        background:#fff;
        box-shadow:-12px 0 36px rgba(20,39,37,.14);
        transform:translateX(104%);
        transition:transform .3s ease;
        z-index:90;
        display:flex;
        align-items:flex-start;
        justify-content:flex-start;
        padding:32px 24px;
    }
    body.menu-open .main-nav{
        transform:translateX(0);
    }
    body.menu-open{
        overflow:hidden;
    }
    .main-nav ul{
        flex-direction:column;
        align-items:stretch;
        width:100%;
    }
    .main-nav li a{
        display:block;
        width:100%;
        padding:14px 16px;
        font-size:16px;
        border-radius:8px;
    }
    .main-nav li.active a::after{
        left:16px;
        right:auto;
        width:34px;
    }
    .mobile-nav-mask{
        position:fixed;
        inset:0;
        background:rgba(10,40,35,.42);
        opacity:0;
        visibility:hidden;
        transition:opacity .25s ease,visibility .25s ease;
        z-index:80;
    }
    body.menu-open .mobile-nav-mask{
        opacity:1;
        visibility:visible;
    }
    .related-grid{grid-template-columns:1fr 1fr}

    .topbar-slogan{display:none}
}

@media screen and (max-width:640px){
    :root{--space-section:56px}
    .site-header{height:auto}
    .header-inner{height:64px}
    .brand-mark{font-size:11px;padding:4px 8px}
    .brand-name{font-size:17px}
    .article-hero{padding:48px 0 56px}
    .article-hero h1{font-size:34px}
    .article-hero-desc{font-size:15px}
    .article-title{font-size:28px}
    .article-content{font-size:16px;line-height:1.95}
    .pager-grid{grid-template-columns:1fr}
    .pager-chip.next{text-align:left;align-items:flex-start}
    .related-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-brand p{max-width:100%}
    .crumb-nav{flex-wrap:wrap}
    .head-meta{gap:10px 14px;font-size:13px}
}

/* roulang page: category1 */
:root {
            --color-primary: #16685B;
            --color-primary-dark: #0F4C44;
            --color-accent: #E4A853;
            --color-bg-soft: #EAF1EE;
            --color-page: #FBFCFA;
            --color-text: #142725;
            --color-text-soft: #5A6E6A;
            --color-border: #D9E2DF;
            --color-white: #FFFFFF;
            --color-muted: #82918D;
            --radius-lg: 10px;
            --radius-md: 6px;
            --shadow-hover: 0 8px 24px rgba(15, 76, 68, 0.08);
            --shadow-card: 0 4px 14px rgba(15, 76, 68, 0.05);
            --container-max: 1280px;
            --gap-section: 96px;
            --gap-section-md: 72px;
            --gap-section-sm: 56px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            background: var(--color-page);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
        }

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

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

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

        ul, ol, p, figure, blockquote {
            margin: 0 0 1rem;
        }

        h1, h2, h3, h4, h5 {
            margin: 0 0 .8rem;
            color: var(--color-text);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 52px;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 30px;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 20px;
        }

        h4 {
            font-size: 18px;
        }

        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--gap-section-sm) 0;
        }

        @media (min-width: 641px) {
            .section {
                padding: var(--gap-section-md) 0;
            }
        }

        @media (min-width: 1025px) {
            .section {
                padding: var(--gap-section) 0;
            }
        }

        .section-soft {
            background: var(--color-bg-soft);
        }

        .section-heading {
            max-width: 760px;
            margin-bottom: 44px;
        }

        .section-heading.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(22, 104, 91, .10);
            border: 1px solid rgba(22, 104, 91, .14);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .eyebrow-accent {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: #7A531A;
            background: rgba(228, 168, 83, .16);
            border: 1px solid rgba(228, 168, 83, .28);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            cursor: pointer;
            text-decoration: none;
            transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateX(1px);
            text-decoration: none;
        }

        .btn-highlight {
            background: var(--color-accent);
            color: var(--color-text);
            border-color: var(--color-accent);
        }

        .btn-highlight:hover {
            background: #EDB86F;
            border-color: #EDB86F;
            color: var(--color-text);
            transform: translateX(1px);
            text-decoration: none;
        }

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

        .btn-outline:hover {
            background: rgba(22, 104, 91, .06);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            text-decoration: none;
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }

        .text-soft {
            color: var(--color-text-soft);
        }

        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .utility-bar {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .86);
            height: 36px;
            font-size: 13px;
            line-height: 36px;
        }

        .utility-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .utility-links {
            display: flex;
            gap: 24px;
        }

        .utility-links a {
            color: rgba(255, 255, 255, .88);
        }

        .utility-links a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .main-header {
            background: var(--color-white);
        }

        .main-header-inner {
            min-height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand-lockup {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-lockup:hover {
            text-decoration: none;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .brand-name small {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-soft);
            margin-left: 6px;
        }

        .nav-panel {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        .main-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav li {
            margin: 0;
        }

        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 16px;
            height: 72px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-soft);
            border-bottom: 3px solid transparent;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }

        .main-nav li.active a {
            color: var(--color-primary);
            font-weight: 600;
            border-bottom-color: var(--color-accent);
        }

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

        .header-action .btn {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--color-border);
            background: var(--color-white);
            border-radius: 8px;
            padding: 10px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .menu-toggle span {
            display: block;
            height: 2px;
            width: 20px;
            background: var(--color-text);
            margin: 4px auto;
            transition: all .2s ease;
        }

        .menu-toggle:hover span {
            background: var(--color-primary);
        }

        .page-banner {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .page-banner .banner-bg {
            position: absolute;
            width: 360px;
            height: 220px;
            right: -40px;
            bottom: -50px;
            opacity: .32;
            object-fit: cover;
        }

        .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-soft);
            margin-bottom: 24px;
        }

        .breadcrumbs a {
            color: var(--color-text-soft);
        }

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

        .breadcrumbs .sep {
            color: var(--color-border);
            margin: 0 2px;
        }

        .banner-kicker {
            margin-bottom: 10px;
        }

        .page-banner h1 {
            font-size: 42px;
            line-height: 1.2;
            max-width: 860px;
        }

        .page-banner p {
            font-size: 17px;
            line-height: 1.85;
            color: var(--color-text-soft);
            max-width: 820px;
            margin-bottom: 0;
        }

        .split-section {
            padding: 72px 0;
        }

        .split-section + .split-section {
            padding-top: 0;
        }

        .split-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 56px;
            align-items: center;
        }

        .split-grid.flip {
            direction: rtl;
        }

        .split-grid.flip > * {
            direction: ltr;
        }

        .split-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-soft);
            aspect-ratio: 4 / 3;
            border: 1px solid var(--color-border);
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .split-content h2 {
            margin-bottom: 16px;
        }

        .split-content p {
            color: var(--color-text-soft);
        }

        .check-list {
            list-style: none;
            margin: 24px 0 28px;
            padding: 0;
        }

        .check-list li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 14px;
            color: var(--color-text);
            font-weight: 500;
        }

        .check-list li::before {
            content: "";
            position: absolute;
            width: 18px;
            height: 18px;
            left: 0;
            top: 4px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
        }

        .check-list li::after {
            content: "";
            position: absolute;
            width: 6px;
            height: 9px;
            left: 6px;
            top: 8px;
            border: solid var(--color-primary);
            border-width: 0 2px 2px 0;
            transform: rotate(45deg);
        }

        .check-list p {
            color: var(--color-text-soft);
            font-weight: 400;
            font-size: 15px;
        }

        .scenario-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            margin: 0;
        }

        .scenario-item {
            padding: 32px 28px;
        }

        .scenario-item + .scenario-item {
            border-left: 1px solid var(--color-border);
        }

        .scenario-index {
            font-size: 52px;
            font-weight: 700;
            line-height: 1;
            color: var(--color-primary);
            letter-spacing: -0.04em;
            margin-bottom: 18px;
        }

        .scenario-item h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 15px;
            color: var(--color-text-soft);
            margin-bottom: 0;
        }

        .channel-list {
            margin-top: 8px;
        }

        .channel-row {
            display: grid;
            grid-template-columns: 180px minmax(0, 1fr);
            gap: 32px;
            padding: 30px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: start;
        }

        .channel-row:first-child {
            border-top: 1px solid var(--color-border);
        }

        .channel-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            padding: 8px 14px;
            background: var(--color-bg-soft);
            border-radius: var(--radius-md);
            color: var(--color-primary-dark);
        }

        .channel-desc p {
            margin-bottom: 8px;
            color: var(--color-text-soft);
        }

        .channel-desc .channel-tip {
            color: var(--color-text);
            font-size: 15px;
            background: rgba(228, 168, 83, .12);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 6px 6px 0;
            padding: 10px 16px;
            display: inline-block;
        }

        .prep-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 56px;
            align-items: center;
        }

        .prep-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
        }

        .prep-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .step-list {
            list-style: none;
            margin: 8px 0 0;
            padding: 0;
        }

        .step-list li {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px dashed var(--color-border);
        }

        .step-marker {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .step-list strong {
            display: block;
            margin-bottom: 4px;
        }

        .step-list p {
            color: var(--color-text-soft);
            margin-bottom: 0;
            font-size: 15px;
        }

        .notice-note {
            margin-top: 24px;
            background: var(--color-white);
            border-left: 4px solid var(--color-primary);
            border-radius: 0 8px 8px 0;
            padding: 16px 18px;
            color: var(--color-text-soft);
            font-size: 15px;
            box-shadow: var(--shadow-card);
        }

        .faq-section {
            background: var(--color-white);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 320px minmax(0, 1fr);
            gap: 56px;
        }

        .faq-intro {
            position: sticky;
            top: 100px;
            align-self: start;
        }

        .faq-list details {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-list details:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-list summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 62px;
            padding: 12px 8px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: color .2s ease;
        }

        .faq-list summary::-webkit-details-marker {
            display: none;
        }

        .faq-list summary:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            line-height: 1;
            transition: transform .2s ease, background-color .2s ease, color .2s ease;
        }

        .faq-list details[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .faq-answer {
            padding: 4px 36px 28px 8px;
            color: var(--color-text-soft);
            line-height: 1.85;
        }

        .faq-answer p {
            margin-bottom: 0;
        }

        .related-links {
            background: var(--color-bg-soft);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 30px 24px;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(22, 104, 91, .3);
        }

        .related-card .related-tagline {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: .08em;
        }

        .related-card h3 {
            font-size: 20px;
            margin-bottom: 6px;
        }

        .related-card p {
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 10px;
            flex: 1;
        }

        .related-card a.link-more {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 15px;
        }

        .related-card a.link-more:hover {
            color: var(--color-primary-dark);
        }

        .cta-banner {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .92);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: .08;
        }

        .cta-inner {
            position: relative;
            max-width: 1080px;
            margin: 0 auto;
            padding: 72px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 40px;
        }

        .cta-copy h2 {
            color: #fff;
            font-size: 30px;
            margin-bottom: 12px;
        }

        .cta-copy p {
            margin-bottom: 0;
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            max-width: 680px;
        }

        .cta-inner .btn {
            flex-shrink: 0;
            white-space: nowrap;
        }

        .back-nav {
            padding: 28px 0 60px;
            background: var(--color-page);
        }

        .back-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .back-row a {
            color: var(--color-text-soft);
        }

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

        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .76);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 48px 32px;
        }

        .footer-brand .brand-lockup {
            margin-bottom: 20px;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 14px;
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            max-width: 360px;
        }

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

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

        .footer-col li {
            margin-bottom: 10px;
            font-size: 15px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .72);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .footer-contact li {
            color: rgba(255, 255, 255, .78);
        }

        .footer-contact span {
            color: rgba(255, 255, 255, .5);
            display: inline-block;
            min-width: 70px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0 24px;
            margin-top: 48px;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 1024px) {
            .nav-panel {
                display: none;
                position: absolute;
                left: 0;
                right: 0;
                top: 72px;
                background: var(--color-white);
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 16px 32px rgba(15, 76, 68, .08);
                padding: 12px 24px 24px;
                justify-content: flex-start;
            }

            .nav-panel.open {
                display: block;
            }

            .main-nav ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }

            .main-nav a {
                height: 46px;
                border-bottom: 1px solid var(--color-bg-soft);
            }

            .main-nav li.active a {
                border-bottom: 1px solid var(--color-bg-soft);
                background: var(--color-bg-soft);
                border-radius: 6px;
                padding-left: 14px;
            }

            .main-nav li.active a::after {
                display: none;
            }

            .header-action {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .utility-bar {
                height: auto;
            }
        }

        @media (max-width: 900px) {
            .split-grid,
            .prep-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .split-grid.flip {
                direction: ltr;
            }

            .scenario-list {
                grid-template-columns: 1fr;
            }

            .scenario-item + .scenario-item {
                border-left: 0;
                border-top: 1px solid var(--color-border);
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .faq-intro {
                position: static;
            }

            .channel-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 56px 24px;
            }

            .cta-copy h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 640px) {
            body {
                font-size: 15px;
            }

            h1 {
                font-size: 34px;
            }

            h2 {
                font-size: 26px;
            }

            .page-banner {
                padding: 40px 0 36px;
            }

            .page-banner h1 {
                font-size: 32px;
            }

            .page-banner p {
                font-size: 15px;
            }

            .main-header-inner {
                min-height: 64px;
            }

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

            .nav-panel {
                top: 64px;
            }

            .utility-bar {
                display: none;
            }

            .scenario-item {
                padding: 24px 0;
            }

            .channel-row {
                padding: 22px 0;
            }

            .related-card {
                padding: 22px;
            }

            .cta-inner {
                padding: 44px 24px;
                gap: 24px;
            }

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

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

            .footer-bottom {
                margin-top: 32px;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#16685B;
  --primary-deep:#0F4C44;
  --accent:#E4A853;
  --accent-hover:#eeb66f;
  --bg-soft:#EAF1EE;
  --bg-page:#FBFCFA;
  --text-main:#142725;
  --text-body:#5A6E6A;
  --text-muted:#82918D;
  --border:#D9E2DF;
  --white:#fff;
  --radius:10px;
  --radius-btn:6px;
  --shadow-soft:0 8px 24px rgba(15, 76, 68, 0.08);
  --font:"Inter",-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font);background:var(--bg-page);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;}
a:hover{color:var(--primary-deep);}
button{font:inherit;cursor:pointer;border:none;}
input,textarea{font:inherit;}
p{margin:0 0 18px;}
h1,h2,h3,h4,h5,h6{margin:0 0 12px;font-weight:700;line-height:1.25;color:var(--text-main);}
h2{font-size:32px;}
h3{font-size:22px;}
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
::selection{background:rgba(22,104,91,.18);}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:all .2s ease;white-space:nowrap;}
.btn.small{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateX(1px);}
.btn-accent{background:var(--accent);color:var(--text-main);}
.btn-accent:hover{background:var(--accent-hover);color:var(--text-main);transform:translateX(1px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);}
.text-link:hover{color:var(--primary-deep);text-decoration:underline;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:900;background:var(--white);box-shadow:0 1px 0 rgba(20,39,37,.08);}
.topbar{background:var(--primary-deep);color:#dbe8e3;font-size:13px;height:36px;transition:all .2s;}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.topbar a{color:#dbe8e3;}
.topbar a:hover{color:var(--accent);}
.topbar-links{display:flex;gap:22px;align-items:center;}
.header-inner{display:flex;align-items:center;height:72px;gap:32px;}
.brand-link{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;letter-spacing:.4px;border-radius:6px;text-transform:lowercase;}
.brand-text{font-size:20px;font-weight:700;color:var(--text-main);white-space:nowrap;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;gap:6px;}
.main-nav a{display:block;padding:10px 14px;font-weight:500;font-size:15px;color:var(--text-main);border-radius:8px;position:relative;transition:all .2s;}
.main-nav a:hover{background:var(--bg-soft);color:var(--primary);}
.main-nav li.active a{color:var(--primary);font-weight:600;}
.main-nav li.active a::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;background:var(--accent);border-radius:2px;}
.header-tools{margin-left:24px;display:flex;align-items:center;gap:12px;flex-shrink:0;}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:var(--bg-soft);color:var(--primary);border-radius:6px;font-size:20px;}

/* ===== Off canvas ===== */
.off-canvas{background:#fff;color:var(--text-main);width:280px;}
.off-canvas .close-button{color:var(--text-main);}
.mobile-nav{padding:24px 20px 32px;}
.mobile-nav li{border-bottom:1px solid var(--border);}
.mobile-nav a{display:block;padding:14px 8px;font-weight:600;color:var(--text-main);}
.mobile-nav li.active a{color:var(--primary);}
.mobile-nav a:hover{color:var(--primary);}

/* ===== Page banner ===== */
.page-banner{padding:62px 0 62px;background-color:var(--bg-soft);position:relative;overflow:hidden;}
.page-banner::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(circle at 82% 20%,rgba(22,104,91,.10),transparent 36%),radial-gradient(circle at 6% 90%,rgba(228,168,83,.10),transparent 26%);}
.page-banner .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:14px;}
.breadcrumb a{color:var(--primary);}
.breadcrumb .sep{opacity:.6;}
.page-banner h1{font-size:50px;line-height:1.15;margin:0 0 16px;color:var(--primary-deep);}
.page-banner .lead{font-size:18px;color:var(--text-body);max-width:760px;margin:0;}

/* ===== Sections base ===== */
.section-pad{padding:96px 0;}
.section-block{padding:90px 0;}
.section-block.alt{background:var(--bg-soft);}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:700;letter-spacing:.4px;margin-bottom:8px;}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--accent);}
.section-head h2{margin-bottom:16px;}
.section-head .section-desc{font-size:16px;color:var(--text-body);max-width:720px;margin-bottom:0;}

/* ===== Overview ===== */
.overview-block{padding:96px 0;}
.overview-copy h2{font-size:32px;line-height:1.3;margin-bottom:20px;}
.overview-copy p{color:var(--text-body);margin-bottom:20px;}
.overview-list{margin-top:8px;}
.overview-list li{position:relative;padding:14px 0 14px 38px;border-bottom:1px solid var(--border);font-size:16px;color:var(--text-main);}
.overview-list li:last-child{border-bottom:none;}
.overview-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:2px;top:18px;width:22px;height:22px;background:var(--bg-soft);color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;}

/* ===== Timeline ===== */
.timeline-block{padding:96px 0;background:var(--white);}
.timeline-intro{text-align:center;max-width:720px;margin:0 auto 16px;}
.process-list{max-width:920px;margin:44px auto 0;border-left:2px solid var(--border);}
.process-item{position:relative;padding:0 0 44px 36px;}
.process-item:last-child{padding-bottom:6px;}
.process-item::before{content:"";position:absolute;left:-10px;top:12px;width:16px;height:16px;border-radius:50%;background:var(--primary);border:3px solid var(--white);box-shadow:0 0 0 1px var(--primary);}
.process-item .step-num{display:block;font-size:42px;line-height:1;font-weight:700;color:var(--primary);opacity:.9;margin-bottom:8px;letter-spacing:-1px;}
.process-item h3{font-size:21px;margin:0 0 8px;color:var(--text-main);}
.process-item p{color:var(--text-body);max-width:660px;margin:0;}

/* ===== Service module rows ===== */
.module-block{padding:96px 0;background:var(--bg-page);}
.module-row{display:grid;grid-template-columns:5fr 7fr;gap:0;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:32px;}
.module-row:last-child{margin-bottom:0;}
.module-row.reverse .module-media{order:2;}
.module-media{min-height:280px;}
.module-media img{width:100%;height:100%;min-height:280px;object-fit:cover;}
.module-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;}
.module-body h3{font-size:26px;margin-bottom:14px;}
.module-body p{color:var(--text-body);margin-bottom:20px;}
.module-body ul{margin-bottom:20px;}
.module-body li{position:relative;padding:6px 0 6px 28px;color:var(--text-body);}
.module-body li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:400;color:var(--primary);position:absolute;left:0;top:8px;font-size:15px;}
.module-body .btn{margin-top:4px;align-self:flex-start;}

/* ===== Related ===== */
.related-block{padding:96px 0;background:var(--bg-soft);}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px;}
.related-card{display:flex;gap:24px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:30px;align-items:flex-start;transition:box-shadow .25s ease,transform .25s ease;}
.related-card:hover{box-shadow:var(--shadow-soft);transform:translateY(-2px);}
.related-icon{width:52px;height:52px;flex-shrink:0;background:var(--bg-soft);color:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;}
.related-card h3{font-size:20px;margin-bottom:8px;}
.related-card p{font-size:15px;color:var(--text-body);margin-bottom:6px;}
.related-card a.related-more{font-size:14px;font-weight:600;}
.related-note{margin-top:32px;font-size:14px;color:var(--text-muted);text-align:center;}
.related-note a{font-weight:600;}

/* ===== FAQ ===== */
.faq-block{padding:96px 0;background:var(--white);}
.faq-side .section-kicker{margin-bottom:10px;}
.faq-side h2{margin-bottom:16px;}
.faq-side p{color:var(--text-body);max-width:320px;}
.faq-columns{display:grid;grid-template-columns:340px 1fr;gap:64px;}
.accordion{margin:0;}
.accordion-item{background:#fff;border:1px solid var(--border);border-radius:10px;margin-bottom:14px;transition:border-color .2s;}
.accordion-item.is-active{border-color:var(--primary);}
.accordion-title{display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--text-main);font-weight:600;font-size:16px;padding:20px 24px;background:transparent;border-radius:10px;position:relative;}
.accordion-title::before,.accordion-title::after{display:none!important;}
.accordion-title:hover,.accordion-title:focus{color:var(--primary);background:var(--bg-page);}
.faq-toggle{width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--bg-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:500;transition:transform .25s,background .25s;}
.accordion-item.is-active .faq-toggle{transform:rotate(45deg);background:var(--primary);color:#fff;}
.accordion-content{padding:0 24px 4px;color:var(--text-body);border:none;box-shadow:none;}
.accordion-content p{padding-bottom:20px;margin:0;}

/* ===== CTA ===== */
.cta-banner{background:var(--primary-deep);color:#dbe8e3;padding:72px 0;position:relative;overflow:hidden;}
.cta-banner::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 18% 0%,rgba(228,168,83,.16),transparent 32%),radial-gradient(circle at 88% 100%,rgba(22,104,91,.35),transparent 44%);pointer-events:none;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:30px;margin-bottom:10px;}
.cta-copy p{margin:0;color:rgba(235,245,242,.88);max-width:680px;}

/* ===== Back nav ===== */
.return-nav{padding:56px 0;background:var(--bg-page);}
.return-inner{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;font-size:15px;color:var(--text-muted);}
.return-inner .btn{margin-right:6px;}
.return-inner a:not(.btn){font-weight:600;margin:0 6px;}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);color:#c8d9d4;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:52px;}
.brand-name{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.8;color:#b4ccc5;margin:0;max-width:360px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:20px;}
.footer-col ul li{padding:6px 0;}
.footer-col a{color:#c8d9d4;font-size:15px;}
.footer-col a:hover{color:var(--accent);}
.footer-contact span{color:#8fa9a1;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13px;color:#9ab4ac;}
.footer-bottom p{margin:0;}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .header-inner{gap:20px;}
  .main-nav{display:none;}
  .header-tools{margin-left:auto;}
  .menu-toggle{display:inline-flex;}
  .module-row{grid-template-columns:1fr;}
  .module-row.reverse .module-media{order:0;}
  .module-media img{min-height:260px;}
  .faq-columns{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .topbar-links a:nth-child(2){display:none;}
}
@media (max-width:768px){
  h2{font-size:28px;}
  .section-pad,.block,.timeline-block,.module-block,.faq-block,.related-block,.overview-block{padding:72px 0;}
  .page-banner h1{font-size:38px;}
  .page-banner .lead{font-size:16px;}
  .cta-inner{flex-direction:column;}
  .cta-copy h2{font-size:26px;}
  .module-body{padding:26px 24px;}
  .related-grid{grid-template-columns:1fr;}
  .brand-text{font-size:18px;white-space:normal;}
  .header-inner{height:64px;}
  .topbar{height:36px;}
  .topbar-links{display:none;}
  .topbar-inner{justify-content:center;}
  .process-list{margin-left:6px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .page-banner{padding:44px 0;}
  .page-banner h1{font-size:32px;}
  .section-block,.timeline-block,.module-block,.faq-block,.related-block,.overview-block{padding:56px 0;}
  .brand-link{gap:8px;}
  .brand-mark{width:34px;height:34px;font-size:11px;}
  .brand-text{font-size:17px;}
  .header-tools .btn{display:none;}
  .process-item{padding-left:24px;}
  .process-item::before{left:-11px;width:14px;height:14px;}
  .process-item .step-num{font-size:36px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{text-align:center;}
  .module-media{min-height:200px;}
  .module-media img{min-height:200px;}
}

/* roulang page: category3 */
:root{
    --primary:#16685B;
    --primary-dark:#0F4C44;
    --accent:#E4A853;
    --bg-soft:#EAF1EE;
    --bg-page:#FBFCFA;
    --ink:#142725;
    --muted:#5A6E6A;
    --border:#D9E2DF;
    --white:#FFFFFF;
    --empty:#82918D;
    --radius:10px;
    --radius-btn:6px;
    --shadow:0 8px 24px rgba(15,76,68,.08);
    --font:"Inter",-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:var(--font);
    background:var(--bg-page);
    color:var(--ink);
    line-height:1.8;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);text-decoration:underline;}
p{margin:0 0 16px;}
h1,h2,h3,h4,h5{margin:0 0 18px;font-weight:700;line-height:1.3;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
button,a,input{font-family:var(--font);}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:2px;
    border-radius:4px;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:0 24px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
    text-decoration:none;
    white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--white);}
.btn-primary:hover{background:var(--primary-dark);color:var(--white);text-decoration:none;transform:translateX(1px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:#efbd70;color:var(--ink);text-decoration:none;transform:translateX(1px);}
.btn-outline{
    border-color:rgba(232,241,238,.8);
    color:var(--bg-soft);
    background:transparent;
}
.btn-outline:hover{background:rgba(255,255,255,.08);color:var(--white);text-decoration:none;}

.site-header{position:relative;z-index:30;background:var(--white);}
.topbar{background:var(--primary-dark);color:#d9e9e4;font-size:13px;min-height:36px;}
.topbar-inner{
    max-width:1280px;
    margin:0 auto;
    padding:0 24px;
    min-height:36px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}
.topbar-domain{letter-spacing:.2px;color:#c9ddd7;}
.topbar-links{display:flex;align-items:center;gap:22px;}
.topbar-links span{color:#a9c5bd;}
.topbar-links a{color:#d9e9e4;transition:color .2s;}
.topbar-links a:hover{color:var(--accent);text-decoration:none;}

.nav-wrap{border-bottom:1px solid var(--border);background:var(--white);}
.nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;line-height:1;flex-shrink:0;}
.brand-mark{
    background:var(--primary-dark);
    color:var(--accent);
    font-size:14px;
    font-weight:700;
    letter-spacing:.5px;
    border-radius:6px;
    padding:7px 10px;
    display:inline-flex;
}
.brand-name-text{font-size:20px;font-weight:700;color:var(--primary-dark);}
.brand-name-text small{font-size:13px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:.3px;}
.main-nav{display:flex;}
.main-nav ul{display:flex;align-items:center;gap:2px;}
.main-nav li{position:relative;list-style:none;}
.main-nav a{
    display:block;
    padding:10px 15px;
    color:var(--ink);
    font-size:16px;
    font-weight:500;
    border-radius:6px;
    position:relative;
    transition:color .2s ease;
}
.main-nav a:hover{color:var(--primary);text-decoration:none;}
.main-nav li.active a{color:var(--primary);font-weight:600;}
.main-nav li.active::after{
    content:"";
    position:absolute;
    left:14px;
    right:14px;
    bottom:-2px;
    height:3px;
    background:var(--accent);
    border-radius:3px 3px 0 0;
}
.nav-toggle{
    display:none;
    background:var(--bg-soft);
    border:1px solid var(--border);
    color:var(--primary-dark);
    min-height:38px;
    padding:0 16px;
    border-radius:6px;
    font-size:14px;
    font-weight:600;
    cursor:pointer;
}
.nav-toggle:hover{background:var(--white);}

.cat-banner{
    position:relative;
    padding:72px 0 64px;
    background:
        linear-gradient(90deg,rgba(234,241,238,.94) 0%,rgba(240,246,243,.92) 60%,rgba(234,241,238,.88) 100%),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    border-bottom:1px solid var(--border);
    overflow:hidden;
}
.breadcrumb{margin-bottom:18px;font-size:14px;color:var(--muted);}
.breadcrumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);text-decoration:none;font-weight:500;}
.breadcrumb .divider{color:#a9b8b3;}
.breadcrumb .current{color:var(--primary);font-weight:600;}
.cat-banner h1{font-size:52px;line-height:1.15;color:var(--primary-dark);max-width:880px;margin-bottom:18px;}
.banner-lead{
    color:var(--muted);
    max-width:760px;
    font-size:17px;
    line-height:1.8;
    margin-bottom:24px;
}
.banner-meta{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:12px;
}
.banner-meta dl{
    margin:0;
    background:rgba(255,255,255,.62);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:10px 18px;
    display:flex;
    align-items:center;
    gap:8px;
}
.banner-meta dt{color:var(--muted);font-size:14px;}
.banner-meta dd{color:var(--primary-dark);font-weight:700;font-size:15px;margin:0;}

.section{padding:96px 0;}
.section-soft{background:var(--bg-soft);}
.section-heading{max-width:780px;margin-bottom:40px;}
.eyebrow{
    display:inline-block;
    color:var(--primary);
    background:rgba(22,104,91,.08);
    border-radius:999px;
    padding:4px 12px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.4px;
    margin-bottom:16px;
}
.section-heading h2{font-size:32px;line-height:1.3;margin-bottom:12px;color:var(--primary-dark);}
.section-heading p{color:var(--muted);font-size:16px;margin-bottom:12px;}
.section-sub{color:var(--muted);font-size:15px;}

.quote-line{
    border-left:4px solid var(--accent);
    background:rgba(228,168,83,.08);
    padding:24px 30px;
    border-radius:0 var(--radius) var(--radius) 0;
    margin:0 0 44px;
    color:var(--primary-dark);
    font-size:18px;
    line-height:1.8;
    max-width:860px;
}
.quote-line strong{color:var(--primary);font-weight:600;}

.feature-grid{
    display:flex;
    flex-wrap:wrap;
    gap:24px;
}
.feature-grid .cell{
    width:calc(50% - 12px);
    margin:0;
}
.feature-card{
    background:var(--white);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:30px 28px;
    height:100%;
    transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
    position:relative;
}
.feature-card:hover{
    box-shadow:var(--shadow);
    transform:translateY(-3px);
    border-color:#bccfc9;
}
.feature-icon{
    width:42px;
    height:42px;
    border-radius:10px;
    background:var(--bg-soft);
    color:var(--primary);
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
}
.feature-card h3{font-size:20px;margin-bottom:8px;color:var(--primary-dark);}
.feature-card p{color:var(--muted);font-size:15px;margin-bottom:0;}

.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.image-panel{
    border-radius:var(--radius);
    overflow:hidden;
    background:var(--white);
    border:1px solid var(--border);
}
.image-panel img{width:100%;height:360px;object-fit:cover;}
.image-panel-caption{
    padding:14px 18px;
    background:var(--white);
    font-size:13px;
    color:var(--muted);
    border-top:1px solid var(--border);
    text-align:center;
}
.action-list{margin:0;}
.action-list li{
    border-bottom:1px solid var(--border);
    padding:24px 0;
    display:grid;
    grid-template-columns:54px 1fr;
    gap:20px;
    align-items:start;
    transition:background .2s ease;
}
.action-list li:first-child{padding-top:0;}
.action-list li:last-child{border-bottom:none;padding-bottom:0;}
.action-index{
    width:44px;
    height:44px;
    border-radius:10px;
    background:var(--primary);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:16px;
    font-weight:700;
}
.action-content strong{display:block;font-size:18px;color:var(--primary-dark);margin-bottom:6px;}
.action-content span{color:var(--muted);font-size:15px;}
.action-content a{font-weight:500;}

.scenario-list{display:grid;gap:20px;}
.scenario-card{
    display:grid;
    grid-template-columns:90px 220px 1fr;
    gap:28px;
    align-items:center;
    background:var(--white);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:26px 30px;
    transition:box-shadow .25s ease,transform .25s ease,background .25s ease;
}
.scenario-card:hover{box-shadow:var(--shadow);transform:translateX(4px);background:#fff;}
.scenario-id{color:var(--accent);font-size:42px;font-weight:700;line-height:1;letter-spacing:1px;}
.scenario-copy h3{font-size:20px;margin-bottom:4px;color:var(--primary-dark);}
.scenario-copy p{color:var(--muted);font-size:15px;margin-bottom:0;}
.scenario-tag{
    justify-self:end;
    color:var(--primary);
    background:var(--bg-soft);
    border-radius:999px;
    padding:6px 14px;
    font-size:13px;
    white-space:nowrap;
    font-weight:500;
}

.process-wrap{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
    margin-top:10px;
}
.process-step{
    position:relative;
    border:1px solid var(--border);
    background:var(--white);
    border-radius:var(--radius);
    padding:28px 24px 24px;
    transition:box-shadow .25s ease,transform .25s ease;
}
.process-step:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:34px;
    height:34px;
    background:var(--accent);
    color:var(--ink);
    border-radius:50%;
    font-weight:700;
    font-size:15px;
    margin-bottom:14px;
}
.process-step h3{font-size:18px;margin-bottom:8px;color:var(--primary-dark);}
.process-step p{color:var(--muted);font-size:14px;margin-bottom:0;}

.faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:56px;}
.faq-side .eyebrow{margin-bottom:14px;}
.faq-side h2{font-size:32px;line-height:1.3;color:var(--primary-dark);margin-bottom:16px;}
.faq-side p{color:var(--muted);font-size:15px;margin-bottom:0;}
.faq-list{margin:0;}
.faq-list details{
    border-bottom:1px solid var(--border);
    background:transparent;
}
.faq-list summary{
    min-height:56px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    cursor:pointer;
    color:var(--ink);
    font-size:16px;
    font-weight:600;
    list-style:none;
    padding:12px 18px 12px 0;
    transition:color .2s ease;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list details[open] summary{color:var(--primary);}
.faq-list summary::after{
    content:"+";
    color:var(--primary);
    font-size:22px;
    font-weight:400;
    line-height:1;
    width:26px;
    height:26px;
    border:1px solid var(--border);
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
    transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-list details[open] summary::after{
    transform:rotate(45deg);
    background:var(--primary);
    color:#fff;
    border-color:var(--primary);
}
.faq-answer{
    color:var(--muted);
    font-size:15px;
    line-height:1.8;
    padding:0 48px 22px 0;
}
.faq-answer p{margin-bottom:8px;}

.cta-section{
    background:
        linear-gradient(0deg,rgba(15,76,68,.88),rgba(15,76,68,.88)),
        url("/assets/images/backpic/back-1.png") center/cover no-repeat;
    padding:78px 0;
}
.cta-box{
    max-width:1080px;
    margin:0 auto;
    text-align:center;
    color:#e8f2ef;
}
.cta-box h2{color:#fff;font-size:34px;margin-bottom:14px;line-height:1.3;}
.cta-box p{color:#cfe0da;font-size:16px;max-width:720px;margin:0 auto 28px;line-height:1.8;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

.more-section{background:var(--bg-soft);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
    background:var(--white);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:26px 24px;
    transition:box-shadow .25s ease,transform .25s ease;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
}
.related-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.related-card h3{font-size:19px;color:var(--primary-dark);margin-bottom:8px;}
.related-card p{color:var(--muted);font-size:15px;margin-bottom:20px;}
.related-card a{font-weight:600;align-self:flex-start;}
.guide-foot{
    margin-top:48px;
    border-top:1px solid var(--border);
    padding-top:28px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:18px;
    flex-wrap:wrap;
}
.guide-foot .guide-text{font-size:15px;color:var(--muted);}
.guide-links{display:flex;gap:10px;flex-wrap:wrap;}
.guide-links a{
    background:var(--white);
    border:1px solid var(--border);
    color:var(--primary-dark);
    border-radius:999px;
    padding:8px 16px;
    font-size:14px;
    font-weight:500;
    transition:border-color .2s,background .2s,color .2s;
}
.guide-links a:hover{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none;}

.site-footer{
    background:var(--primary-dark);
    color:#cfe0da;
    padding:64px 0 0;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:48px;
    padding-bottom:48px;
}
.footer-brand .brand-name{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:12px;
}
.footer-brand .brand-name span:last-child{
    font-size:22px;
    font-weight:700;
    color:#fff;
}
.footer-brand p{
    color:#b8d1ca;
    font-size:14px;
    line-height:1.8;
    max-width:380px;
    margin-bottom:18px;
}
.footer-col h4{
    font-size:15px;
    color:#fff;
    margin:0 0 18px;
    font-weight:600;
    letter-spacing:.4px;
}
.footer-col ul li{
    margin-bottom:10px;
}
.footer-col a{
    color:#b8d1ca;
    font-size:14px;
    transition:color .2s ease;
}
.footer-col a:hover{color:var(--accent);text-decoration:none;}
.footer-col .footer-contact li{color:#b8d1ca;font-size:14px;}
.footer-col .footer-contact a{word-break:break-all;}
.footer-bottom{
    border-top:1px solid rgba(216,233,228,.14);
    padding:20px 0;
    color:#8fb0a7;
    font-size:13px;
    display:flex;
    justify-content:center;
}
.footer-bottom p{margin:0;text-align:center;}

@media(max-width:1024px){
    .section{padding:72px 0;}
    .cat-banner{padding:56px 0;}
    .footer-grid{gap:32px;}
    .process-wrap{grid-template-columns:repeat(2,1fr);}
    .scenario-card{grid-template-columns:70px 170px 1fr;gap:20px;}
}

@media(max-width:959px){
    .nav-toggle{display:inline-flex;}
    .nav-inner{flex-wrap:wrap;padding:12px 24px;}
    .main-nav{
        position:absolute;
        top:100%;
        left:0;
        right:0;
        background:var(--white);
        border-bottom:1px solid var(--border);
        box-shadow:0 12px 24px rgba(15,76,68,.08);
        padding:14px 24px 20px;
        display:none;
        max-height:calc(100vh - 120px);
        overflow:auto;
    }
    .main-nav.is-open{display:block;}
    .main-nav ul{flex-direction:column;align-items:stretch;gap:0;}
    .main-nav li.active::after{display:none;}
    .main-nav li.active a::after{
        content:"";
        display:block;
        width:100%;
        height:3px;
        background:var(--accent);
        border-radius:3px;
        margin-top:6px;
    }
    .main-nav a{border-bottom:1px solid #edf3f0;border-radius:0;padding:14px 4px;}
    .main-nav li:last-child a{border-bottom:none;}
    .banner-meta{display:none;}
    .access-grid{grid-template-columns:1fr;gap:28px;}
    .image-panel img{height:280px;}
    .related-grid{grid-template-columns:1fr 1fr;}
}

@media(max-width:820px){
    .cat-banner h1{font-size:40px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .related-grid{grid-template-columns:1fr;}
}

@media(max-width:640px){
    body{font-size:15px;}
    .section{padding:56px 0;}
    .cat-banner{padding:48px 0;}
    .cat-banner h1{font-size:34px;}
    .banner-lead{font-size:16px;}
    .section-heading h2{font-size:27px;}
    .quote-line{font-size:16px;padding:20px 22px;}
    .feature-card{padding:22px 20px;}
    .feature-grid .cell{width:100%;}
    .image-panel img{height:210px;}
    .scenario-card{grid-template-columns:1fr;padding:24px 22px;}
    .scenario-id{font-size:34px;}
    .scenario-tag{justify-self:start;}
    .access-grid{grid-template-columns:1fr;gap:32px;}
    .process-wrap{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .topbar-links{display:none;}
    .nav-inner{
        padding:10px 16px;
    }
    .container{padding:0 16px;}
    .nav-toggle{padding:0 12px;}
    .action-list li{grid-template-columns:44px 1fr;gap:14px;padding:20px 0;}
    .action-index{width:38px;height:38px;font-size:14px;}
    .action-content strong{font-size:17px;}
    .action-content span{font-size:14px;}
    .cta-box h2{font-size:26px;}
    .brand-mark{font-size:12px;padding:5px 8px;}
    .brand-name-text{font-size:19px;}
    .brand-name-text small{display:block;font-size:11px;margin-left:0;margin-top:2px;}
    .footer-bottom{padding:16px 10px;font-size:12px;}
}