/* roulang page: index */
:root {
            --primary-deep: #154A66;
            --primary-mid: #17607C;
            --accent-cyan: #2E93AD;
            --accent-gold: #D99540;
            --bg-main: #FFFFFF;
            --bg-soft: #F3F7F9;
            --bg-footer: #102C3B;
            --text-head: #153243;
            --text-body: #354F5F;
            --text-muted: #72909C;
            --border-light: #E1E9EE;
            --radius-card: 14px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(21, 50, 66, 0.06);
            --shadow-card-hover: 0 10px 24px rgba(21, 50, 66, 0.1);
            --container: 1240px;
            --gap-section: 96px;
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-number: Inter, "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-main);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-head);
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: .5em;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        p {
            margin-top: 0;
            margin-bottom: 1.2em;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-mid);
        }
        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }
        .container {
            max-width: var(--container);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        .container-wide {
            max-width: 1400px;
        }
        .text-center {
            text-align: center;
        }
        .d-none {
            display: none !important;
        }
        .d-block {
            display: block !important;
        }
        .d-flex {
            display: flex;
        }
        .align-items-center {
            align-items: center;
        }
        .justify-content-between {
            justify-content: space-between;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 760px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-kicker {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .18em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }
        .section-head h2 {
            font-size: 32px;
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 24px;
            min-height: 44px;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: all .2s ease;
            letter-spacing: .02em;
        }
        .btn-primary-custom {
            background: var(--primary-deep);
            color: #fff;
            border-color: var(--primary-deep);
        }
        .btn-primary-custom:hover {
            background: #0E344A;
            color: #fff;
            border-color: #0E344A;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(21, 50, 66, .15);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #F3F7F9;
            border: 1.5px solid rgba(255, 255, 255, .7);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-deep {
            background: #fff;
            color: var(--primary-mid);
            border: 1.5px solid var(--primary-mid);
        }
        .btn-outline-deep:hover {
            background: #EFF6F8;
            color: var(--primary-deep);
            border-color: var(--primary-deep);
        }
        .btn-gold-custom {
            background: var(--accent-gold);
            color: #fff;
            border-color: var(--accent-gold);
        }
        .btn-gold-custom:hover {
            background: #c17e2e;
            color: #fff;
            border-color: #c17e2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(217, 149, 64, .25);
        }
        .btn-sm {
            min-height: 36px;
            padding: 6px 16px;
            font-size: 13px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow .2s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(21, 50, 66, .06);
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 72px;
            transition: height .2s ease;
        }
        .site-header.scrolled .header-wrap {
            height: 64px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }
        .brand-dot {
            width: 38px;
            height: 38px;
            background: var(--primary-deep);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            font-family: var(--font-number);
            flex-shrink: 0;
        }
        .brand-text {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-head);
            white-space: nowrap;
            letter-spacing: .01em;
        }
        .brand-sub {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: .08em;
            font-weight: 400;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 16px;
            border-radius: 999px;
            transition: all .2s ease;
            line-height: 1.5;
            text-decoration: none;
            min-height: 38px;
            border: 1px solid transparent;
        }
        .main-nav .nav-link:hover {
            color: var(--primary-deep);
            background: #F3F7F9;
        }
        .main-nav .nav-link.active {
            background: var(--primary-deep);
            color: #fff;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta {
            font-size: 14px;
            padding: 8px 20px;
            min-height: 38px;
            white-space: nowrap;
        }
        .nav-trigger {
            display: none;
            background: none;
            border: 1px solid var(--border-light);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text-head);
            cursor: pointer;
            transition: border-color .2s;
        }
        .nav-trigger:hover {
            border-color: var(--accent-cyan);
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -340px;
            width: 300px;
            height: 100%;
            background: #fff;
            z-index: 1090;
            box-shadow: 0 0 50px rgba(21, 50, 66, .18);
            padding: 40px 28px 28px;
            overflow-y: auto;
            transition: right .3s ease;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 36px;
        }
        .mobile-menu-close {
            border: none;
            background: var(--bg-soft);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: var(--text-head);
            font-size: 18px;
            cursor: pointer;
        }
        .mobile-menu nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu .mobile-link {
            display: block;
            padding: 14px 18px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border: 1px solid transparent;
        }
        .mobile-menu .mobile-link:hover {
            background: var(--bg-soft);
            color: var(--primary-deep);
        }
        .mobile-menu .mobile-link.active {
            background: var(--primary-deep);
            color: #fff;
        }
        .mobile-menu-cta {
            margin-top: 28px;
            width: 100%;
        }
        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(16, 44, 59, .4);
            z-index: 1085;
            opacity: 0;
            visibility: hidden;
            transition: opacity .2s ease;
        }
        .menu-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .hero {
            background: var(--primary-deep);
            position: relative;
            padding: 88px 0 72px;
            overflow: hidden;
            color: #fff;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(10, 32, 45, .88) 0%, rgba(21, 74, 102, .76) 100%), url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            right: -180px;
            top: -180px;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: rgba(46, 147, 173, .18);
            filter: blur(10px);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 56px;
            align-items: center;
        }
        .hero-copy {
            color: #fff;
        }
        .hero-kicker {
            display: inline-block;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 13px;
            letter-spacing: .06em;
            color: #F3F7F9;
            margin-bottom: 22px;
        }
        .hero-copy h1 {
            font-size: 42px;
            line-height: 1.22;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .hero-copy h1 .gold {
            color: #f0c185;
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            max-width: 540px;
            margin-bottom: 22px;
        }
        .hero-extra {
            background: rgba(255, 255, 255, .08);
            border-radius: 12px;
            padding: 12px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .78);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            max-width: 480px;
            margin: 0 0 24px;
            border: 1px solid rgba(255, 255, 255, .10);
        }
        .hero-extra svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 3px;
            stroke: #F0C185;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-panel {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 18px;
            padding: 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            box-shadow: 0 18px 40px rgba(8, 30, 42, .22);
        }
        .panel-status {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, .15);
            margin-bottom: 18px;
            font-size: 13px;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(218, 156, 84, .2);
            color: #f0d09c;
            border-radius: 999px;
            padding: 3px 12px;
            font-size: 12px;
            border: 1px solid rgba(218, 156, 84, .28);
        }
        .status-badge .dot {
            width: 6px;
            height: 6px;
            background: #F0C185;
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .5;
                transform: scale(.7);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }
        .panel-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .panel-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin: 0 0 20px;
            padding: 0;
            list-style: none;
        }
        .panel-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            line-height: 1.55;
        }
        .panel-list li svg {
            width: 18px;
            height: 18px;
            stroke: #8CCBDC;
            flex-shrink: 0;
        }
        .hero-panel-note {
            font-size: 12px;
            color: rgba(255, 255, 255, .6);
        }

        .trust-band {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
        }
        .trust-row {
            display: flex;
            justify-content: center;
            gap: 10px 44px;
            flex-wrap: wrap;
            align-items: center;
            font-size: 14px;
            color: var(--text-body);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .trust-item svg {
            width: 18px;
            height: 18px;
            stroke: var(--accent-cyan);
        }

        .ponits-section {
            background: var(--bg-soft);
            padding-top: 0;
        }
        .point-grid {
            display: grid;
            grid-template-columns: 1fr 330px;
            gap: 32px;
            align-items: stretch;
        }
        .point-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .point-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 30px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .2s;
        }
        .point-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .point-icon {
            background: #EFF6F8;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .point-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--primary-mid);
        }
        .point-card h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }
        .point-meta {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .ask-side {
            background: var(--primary-deep);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }
        .ask-side::after {
            content: "";
            width: 180px;
            height: 180px;
            position: absolute;
            right: -70px;
            bottom: -70px;
            border-radius: 50%;
            background: rgba(217, 149, 64, .22);
        }
        .ask-side h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .ask-side p {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            line-height: 1.8;
        }
        .ask-side .btn {
            position: relative;
            z-index: 2;
            align-self: flex-start;
            margin-top: 18px;
        }

        .solution-section {
            background: #fff;
        }
        .solution-main {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-bottom: 28px;
        }
        .solution-main-img {
            min-height: 300px;
            position: relative;
            background: #DBE7EC;
        }
        .solution-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .solution-main-content {
            padding: 40px 38px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .solution-main-content h3 {
            font-size: 24px;
            margin-bottom: 12px;
        }
        .solution-main-content p {
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .solution-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            margin-bottom: 18px;
        }
        .solution-points span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-body);
        }
        .solution-points svg {
            width: 16px;
            height: 16px;
            stroke: var(--accent-gold);
        }
        .solution-side {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .solution-mini {
            background: var(--bg-soft);
            border-radius: 14px;
            padding: 0;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: transform .2s, box-shadow .2s;
        }
        .solution-mini:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .mini-img {
            height: 140px;
            overflow: hidden;
        }
        .mini-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .solution-mini:hover .mini-img img {
            transform: scale(1.04);
        }
        .mini-body {
            padding: 24px 24px 28px;
        }
        .mini-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .mini-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .solution-mini.cold-card {
            background: var(--accent-gold);
            border-color: transparent;
        }
        .solution-mini.cold-card .mini-body h3,
        .solution-mini.cold-card .mini-body p {
            color: #fff;
        }
        .solution-mini.cold-card .mini-body a {
            color: #fff;
            text-decoration: underline;
        }

        .data-band {
            background: var(--bg-soft);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-left: 1px solid var(--border-light);
            border-top: 1px solid var(--border-light);
            background: #fff;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .data-item {
            padding: 40px 24px;
            border-right: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            background: #fff;
            text-align: center;
        }
        .data-num {
            font-family: var(--font-number);
            font-size: 40px;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
            letter-spacing: -0.01em;
            display: block;
            margin-bottom: 6px;
        }
        .data-label {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 600;
        }
        .data-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.6;
        }

        .news-section {
            background: #fff;
        }
        .news-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 40px;
        }
        .news-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: all .25s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .news-card-img {
            height: 160px;
            background: #E9F0F3;
            position: relative;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-img .img-placeholder {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 44px;
            font-weight: 700;
            color: rgba(21, 74, 102, .25);
        }
        .news-card-body {
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 10px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: #EFF6F8;
            color: var(--primary-mid);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            line-height: 1.5;
        }
        .tag.gold {
            background: #FAF0E2;
            color: #B47729;
        }
        .news-time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-card h3 {
            font-size: 17px;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
        }
        .news-more svg {
            width: 15px;
            height: 15px;
            transition: transform .2s ease;
        }
        .news-card:hover .news-more svg {
            transform: translateX(3px);
        }
        .empty-news {
            grid-column: 1/-1;
            background: var(--bg-soft);
            border: 1px dashed #c9d8df;
            color: var(--text-muted);
            border-radius: 14px;
            padding: 40px;
            text-align: center;
            font-size: 15px;
        }

        .guide-strip {
            background: var(--primary-deep);
            color: #fff;
            border-radius: 18px;
            padding: 44px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .guide-strip::before {
            content: "";
            position: absolute;
            right: -100px;
            bottom: -100px;
            width: 260px;
            height: 260px;
            background: rgba(217, 149, 64, .12);
            border-radius: 50%;
        }
        .guide-strip h2 {
            color: #fff;
            margin-bottom: 8px;
            font-size: 26px;
        }
        .guide-strip p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            margin: 0;
            max-width: 600px;
        }
        .guide-strip .btn {
            position: relative;
            z-index: 2;
        }

        .faq-section {
            background: var(--bg-soft);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: .75fr 1.25fr;
            gap: 64px;
        }
        .faq-intro {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .faq-intro h2 {
            font-size: 30px;
            margin-bottom: 14px;
        }
        .faq-intro p {
            color: var(--text-muted);
        }
        .faq-list .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--border-light);
            border-radius: 0 !important;
            margin-bottom: 0;
            box-shadow: none;
        }
        .faq-list .accordion-button {
            background: transparent;
            padding: 22px 16px 22px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-head);
            line-height: 1.6;
            border: 0;
            box-shadow: none;
            border-radius: 0 !important;
        }
        .faq-list .accordion-button:not(.collapsed) {
            color: var(--primary-mid);
            background: transparent;
        }
        .faq-list .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 26px;
            font-weight: 300;
            font-family: var(--font-number);
            transform: none;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
            transition: transform .25s ease;
        }
        .faq-list .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .faq-list .accordion-button:focus {
            box-shadow: none;
        }
        .faq-list .accordion-body {
            padding: 0 48px 22px 0;
            color: var(--text-muted);
            font-size: 15px;
        }

        .cta-section {
            background: #fff;
        }
        .cta-box {
            background: #DFEAEF;
            border-radius: 18px;
            padding: 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            right: -80px;
            top: -80px;
            border-radius: 50%;
            background: rgba(46, 147, 173, .1);
        }
        .cta-box h2 {
            font-size: 30px;
        }
        .cta-box p {
            max-width: 600px;
            margin: 0 auto 28px;
            color: var(--text-muted);
            font-size: 16px;
        }
        .cta-box .btn {
            position: relative;
            z-index: 2;
        }

        .site-footer {
            background: var(--bg-footer);
            color: #A6C1CC;
            padding: 72px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr .8fr;
            gap: 56px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-logo {
            color: #F3F7F9;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo .brand-dot {
            background: rgba(255, 255, 255, .1);
        }
        .footer-about {
            color: #8EAAB5;
            font-size: 14px;
            line-height: 1.8;
            max-width: 400px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #EAF2F5;
            margin-bottom: 20px;
            letter-spacing: .02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #A6C1CC;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-tags span {
            background: rgba(255, 255, 255, .08);
            color: #BFD5DC;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 999px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 18px 0 28px;
            text-align: center;
            font-size: 13px;
            color: #7596A4;
        }
        .safe-line {
            background: rgba(255, 255, 255, .05);
            border-left: 3px solid var(--accent-gold);
            padding: 14px 20px;
            border-radius: 0 8px 8px 0;
            font-size: 13px;
            color: #A6C1CC;
            margin-bottom: 32px;
            max-width: 900px;
        }

        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 30px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-deep);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(16, 44, 59, .15);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s, visibility .3s;
            z-index: 200;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-mid);
        }

        .modal-content {
            border: none;
            border-radius: 16px;
            box-shadow: 0 24px 60px rgba(16, 44, 59, .25);
        }
        .modal-header {
            border-bottom: 1px solid var(--border-light);
            padding: 24px 28px 16px;
        }
        .modal-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-head);
        }
        .modal-body {
            padding: 24px 28px 10px;
        }
        .modal-footer {
            border-top: 1px solid var(--border-light);
            padding: 16px 28px 24px;
        }
        .privacy-note {
            background: var(--bg-soft);
            border-radius: 12px;
            padding: 14px 16px;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-head);
            margin-bottom: 6px;
        }
        .form-control,
        .form-select {
            border-radius: 8px;
            border: 1px solid #D5E1E7;
            min-height: 44px;
            font-size: 15px;
            padding: 8px 14px;
            transition: border-color .2s, box-shadow .2s;
            color: var(--text-body);
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 4px rgba(46, 147, 173, 0.15);
        }
        .modal-backdrop {
            background: rgba(7, 28, 40, .6);
        }

        @media (max-width: 1199.98px) {
            .solution-main-content {
                padding: 30px 28px;
            }
            .guide-strip {
                padding: 36px 34px;
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 72px 0;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-copy h1 {
                font-size: 34px;
            }
            .point-grid {
                grid-template-columns: 1fr;
            }
            .ask-side {
                min-height: auto;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .faq-intro {
                position: static;
            }
            .solution-main {
                grid-template-columns: 1fr;
            }
            .solution-main-img {
                min-height: 220px;
            }
            .solution-side {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                display: none;
            }
            .nav-trigger {
                display: flex;
            }
            .nav-cta-group .nav-cta {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 60px 0;
            }
            .hero {
                padding: 56px 0 48px;
            }
            .hero-copy h1 {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .guide-strip {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-item {
                padding: 26px 16px;
            }
            .data-num {
                font-size: 32px;
            }
            .point-cards {
                grid-template-columns: 1fr;
            }
            .solution-side {
                grid-template-columns: 1fr;
            }
            .news-cards {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 25px;
            }
            .brand-text {
                font-size: 16px;
            }
            .brand-sub {
                display: none;
            }
            .header-wrap {
                height: 62px;
            }
            .site-header.scrolled .header-wrap {
                height: 58px;
            }
            .cta-box {
                padding: 34px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .modal-body,
            .modal-header,
            .modal-footer {
                padding-left: 16px;
                padding-right: 16px;
            }
            .mobile-menu {
                width: 280px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-item:nth-child(odd) {
                border-right: 1px solid var(--border-light);
            }
            .brand-dot {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #154A66;
  --primary-deep: #0E344A;
  --soft: #2E93AD;
  --accent: #D99540;
  --body-bg: #FFFFFF;
  --alt-bg: #F3F7F9;
  --footer-bg: #102C3B;
  --title: #153243;
  --text: #354F5F;
  --muted: #72909C;
  --border: #E1E9EE;
  --white: #FFFFFF;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-chip: 999px;
  --container: 1240px;
  --shadow-sm: 0 2px 12px rgba(21, 50, 66, 0.06);
  --shadow-hover: 0 10px 24px rgba(21, 50, 66, 0.10);
  --transition: all .25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--body-bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  max-width: var(--container);
  padding-left: 24px;
  padding-right: 24px;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 .6em;
  color: var(--title);
  font-weight: 700;
  line-height: 1.35;
}

p {
  margin: 0 0 1.2em;
}

p:last-child {
  margin-bottom: 0;
}

:focus-visible {
  outline: 3px solid rgba(46, 147, 173, .45);
  outline-offset: 3px;
}

.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary-custom {
  background: var(--primary);
  border: 1px solid var(--primary);
  color: var(--white);
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline-custom {
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline-custom:hover,
.btn-outline-custom:focus {
  background: #EFF6F8;
  color: var(--primary-deep);
  border-color: var(--primary-deep);
}

.btn-light-custom {
  background: var(--white);
  color: var(--primary-deep);
  border: 1px solid transparent;
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.btn-light-custom:hover {
  background: #F1F5F7;
  color: var(--primary-deep);
  transform: translateY(-2px);
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--alt-bg);
}

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .12em;
  font-weight: 600;
  color: var(--soft);
  margin-bottom: 10px;
}

.section-label::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--soft);
  border-radius: 3px;
}

.section-title {
  font-size: 28px;
  margin-bottom: 14px;
  letter-spacing: -.5px;
}

.section-desc {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease, background .25s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 18px rgba(21, 50, 66, .08);
}

.header-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-dot {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -1px;
  flex-shrink: 0;
}

.brand-text {
  display: block;
  font-size: 21px;
  font-weight: 700;
  color: var(--title);
  line-height: 1.2;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.brand-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
  font-weight: 400;
  margin-top: 2px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.main-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  padding: 8px 15px;
  border-radius: var(--radius-chip);
  font-weight: 500;
  line-height: 1.4;
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav .nav-link:hover {
  color: var(--primary);
  background: #EFF6F8;
}

.main-nav .nav-link.active {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-cta {
  background: var(--primary);
  border: 1px solid var(--primary);
  color: var(--white);
  padding: 9px 18px;
  font-size: 14px;
  border-radius: var(--radius-chip);
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-cta:hover,
.nav-cta:focus {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: var(--white);
}

.nav-trigger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--title);
  border-radius: 10px;
  padding: 0;
}

.nav-trigger:hover {
  background: #EFF6F8;
  color: var(--primary);
}

.page-hero {
  position: relative;
  padding: 112px 0 120px;
  background:
    linear-gradient(115deg, rgba(15, 42, 58, .94) 0%, rgba(21, 74, 102, .86) 58%, rgba(32, 103, 127, .72) 100%),
    url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  color: var(--white);
}

.page-hero .section-label,
.page-hero .section-label::before {
  color: #BFDCE5;
}

.page-hero-inner {
  max-width: 840px;
}

.page-hero h1 {
  font-size: 42px;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -1px;
  line-height: 1.25;
}

.hero-lead {
  font-size: 17px;
  color: #D5E5EA;
  max-width: 720px;
  margin-bottom: 32px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions .btn-primary-custom {
  background: var(--white);
  border-color: var(--white);
  color: var(--primary-deep);
}

.hero-actions .btn-primary-custom:hover {
  background: #EAF1F4;
  border-color: #EAF1F4;
  color: var(--primary-deep);
}

.hero-actions .btn-outline-custom {
  background: transparent;
  border-color: rgba(255, 255, 255, .7);
  color: var(--white);
}

.hero-actions .btn-outline-custom:hover {
  background: rgba(255, 255, 255, .14);
  border-color: var(--white);
  color: var(--white);
}

.hero-note {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .2);
  font-size: 13px;
  color: #C1D8DF;
}

.entry-intro {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.intro-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #E9F2F5;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.entry-intro h3,
.side-card h3,
.info-col h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.entry-intro p,
.side-card p,
.info-col p {
  color: var(--muted);
  font-size: 15px;
}

.intro-list {
  margin-top: 18px;
}

.intro-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #F0F4F6;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.intro-list li:last-child {
  border-bottom: 0;
}

.intro-list li svg {
  flex-shrink: 0;
  color: var(--soft);
  margin-top: 3px;
}

.side-card {
  background: var(--alt-bg);
  border-radius: var(--radius);
  padding: 36px;
  height: 100%;
  border: 1px solid var(--border);
}

.side-card .side-tag {
  display: inline-flex;
  background: #FDEDD4;
  color: #9A6521;
  padding: 5px 12px;
  border-radius: var(--radius-chip);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.side-card h3 {
  font-size: 19px;
}

.side-card p {
  color: var(--muted);
}

.info-col {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.info-col:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.info-col h3 {
  margin-bottom: 8px;
}

.info-col p {
  color: var(--muted);
  font-size: 15px;
}

.steps-section {
  background: var(--alt-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.step-item {
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  height: 100%;
}

.step-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.step-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.step-item p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
}

.feature-panel {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-media {
  min-height: 360px;
  position: relative;
  background: #DDE8EC;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.feature-content {
  padding: 48px 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-content h2 {
  font-size: 26px;
  margin-bottom: 18px;
  letter-spacing: -.5px;
}

.feature-content p {
  color: var(--muted);
  font-size: 15px;
}

.feature-content ul {
  margin-top: 12px;
}

.feature-content ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  color: var(--text);
  font-size: 15px;
}

.feature-content ul li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--soft);
  flex-shrink: 0;
  margin-top: 10px;
}

.faq-wrap {
  background: var(--white);
}

.faq-head {
  max-width: 400px;
}

.faq-head p {
  color: var(--muted);
}

.faq-list .accordion-item {
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
}

.faq-list .accordion-item:last-child {
  border-bottom: 0;
}

.faq-list .accordion-button {
  background: transparent;
  box-shadow: none;
  color: var(--title);
  font-size: 17px;
  font-weight: 600;
  padding: 22px 8px 22px 0;
  border-radius: 0;
  transition: var(--transition);
}

.faq-list .accordion-button:not(.collapsed) {
  color: var(--primary);
  background: transparent;
}

.faq-list .accordion-button:focus {
  box-shadow: none;
  border: 0;
}

.faq-list .accordion-button::after {
  background-size: 16px;
}

.faq-list .accordion-body {
  padding: 0 48px 24px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.related-section {
  background: var(--alt-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  min-height: 230px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.related-tag {
  display: inline-flex;
  align-self: flex-start;
  background: #E9F2F5;
  color: var(--primary);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: var(--radius-chip);
  margin-bottom: 20px;
}

.related-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.related-card p {
  color: var(--muted);
  font-size: 14px;
  flex: 1;
}

.related-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--soft);
  font-weight: 600;
  font-size: 14px;
  margin-top: 18px;
  transition: var(--transition);
}

.related-card:hover .card-link {
  color: var(--primary);
}

.related-card .card-link svg {
  transition: transform .25s ease;
}

.related-card:hover .card-link svg {
  transform: translateX(4px);
}

.cta-band {
  background: #EDF2F5;
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-inner h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.cta-inner p {
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

.site-footer {
  background: var(--footer-bg);
  color: #A9C1CB;
  padding: 64px 0 32px;
  font-size: 14px;
}

.safe-line {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 13px;
  color: #C3D5DD;
  line-height: 1.7;
  margin-bottom: 44px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-logo .brand-dot {
  width: 34px;
  height: 34px;
  font-size: 17px;
}

.footer-about {
  color: #A9C1CB;
  max-width: 360px;
  font-size: 14px;
  line-height: 1.8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-title {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #A9C1CB;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-tags span {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .08);
  padding: 5px 13px;
  border-radius: var(--radius-chip);
  font-size: 13px;
  color: #C3D5DD;
}

.footer-bottom {
  margin-top: 24px;
  color: #7F9BA7;
  font-size: 13px;
  text-align: center;
  line-height: 1.8;
}

.modal-content {
  border: 0;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(21, 50, 66, .18);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 24px 30px;
}

.modal-header .modal-title {
  font-size: 20px;
  font-weight: 700;
}

.modal-body {
  padding: 30px;
}

.modal-footer {
  border-top: 0;
  padding: 0 30px 30px;
}

.form-label {
  font-size: 13px;
  color: var(--title);
  font-weight: 600;
  margin-bottom: 8px;
}

.form-control,
.form-select {
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  color: var(--text);
  padding: 10px 14px;
  transition: var(--transition);
  background-color: var(--white);
}

textarea.form-control {
  height: auto;
  min-height: 100px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--soft);
  box-shadow: 0 0 0 .25rem rgba(46, 147, 173, .15);
  color: var(--text);
}

.modal-privacy {
  background: var(--alt-bg);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.modal-privacy ul {
  margin-top: 6px;
  padding-left: 0;
}

.modal-privacy li {
  position: relative;
  padding-left: 14px;
}

.modal-privacy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--soft);
}

.modal .btn-close {
  filter: none;
  opacity: .6;
}

.modal .btn-close:hover {
  opacity: 1;
}

.form-feedback {
  display: none;
  color: var(--primary);
  background: #E9F2F5;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 14px;
}

.form-feedback.show {
  display: block;
}

@media (max-width: 1199.98px) {
  .brand-sub {
    display: none;
  }

  .header-wrap {
    gap: 14px;
  }

  .main-nav {
    gap: 4px;
  }

  .main-nav .nav-link {
    padding: 7px 11px;
    font-size: 13px;
  }

  .nav-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .feature-panel {
    grid-template-columns: .95fr 1fr;
  }

  .feature-content {
    padding: 36px;
  }
}

@media (max-width: 991.98px) {
  .section {
    padding: 72px 0;
  }

  .site-header {
    min-height: 64px;
  }

  .header-wrap {
    min-height: 64px;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 18px 24px 24px;
    box-shadow: 0 20px 30px rgba(21, 50, 66, .12);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav .nav-link {
    padding: 12px 14px;
    font-size: 15px;
    border-radius: 10px;
    justify-content: flex-start;
  }

  .nav-trigger {
    display: inline-flex;
  }

  .page-hero {
    padding: 84px 0 92px;
    background:
      linear-gradient(115deg, rgba(15, 42, 58, .94) 0%, rgba(21, 74, 102, .88) 62%, rgba(32, 103, 127, .78) 100%),
      url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 44px;
  }

  .feature-panel {
    grid-template-columns: 1fr;
  }

  .feature-media {
    min-height: 260px;
    position: relative;
  }

  .feature-content {
    padding: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767.98px) {
  .header-wrap {
    gap: 8px;
  }

  .logo-wrap {
    gap: 8px;
  }

  .brand-dot {
    width: 34px;
    height: 34px;
    font-size: 16px;
    border-radius: 10px;
  }

  .brand-text {
    font-size: 18px;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 10px;
    font-size: 12px;
    border-radius: 999px;
    width: auto;
  }

  .nav-trigger {
    width: 40px;
    height: 40px;
  }

  .section {
    padding: 60px 0;
  }

  .page-hero {
    padding: 68px 0 76px;
  }

  .page-hero h1 {
    font-size: 29px;
    letter-spacing: -0.5px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .entry-intro,
  .side-card {
    padding: 24px 20px;
  }

  .features-row > [class*="col-"] {
    margin-top: 16px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step-item {
    padding: 24px 20px;
  }

  .feature-content {
    padding: 28px 20px;
  }

  .feature-content h2 {
    font-size: 22px;
  }

  .feature-media {
    min-height: 200px;
  }

  .faq-list .accordion-button {
    font-size: 15px;
    padding: 18px 0;
  }

  .faq-list .accordion-body {
    padding: 0 0 18px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 32px;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-inner .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .safe-line {
    margin-bottom: 30px;
  }

  .modal-body,
  .modal-header {
    padding: 20px;
  }

  .modal-footer {
    padding: 0 20px 20px;
  }
}

@media (max-width: 420px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-text {
    font-size: 16px;
  }

  .nav-cta {
    padding: 7px 8px;
    font-size: 11px;
  }
}

/* roulang page: article */
:root {
            --primary: #154A66;
            --primary-dark: #0E344A;
            --primary-mid: #17607C;
            --accent: #2E93AD;
            --accent-soft: rgba(46, 147, 173, 0.15);
            --page-bg: #FFFFFF;
            --soft-bg: #F3F7F9;
            --deep-navy: #102C3B;
            --heading-color: #153243;
            --body-text: #354F5F;
            --muted-text: #72909C;
            --line-color: #E1E9EE;
            --highlight: #D99540;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 12px rgba(21, 50, 66, 0.06);
            --shadow-md: 0 12px 32px rgba(21, 50, 66, 0.10);
            --section-space: 96px;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--page-bg);
            color: var(--body-text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
        }
        [hidden] {
            display: none !important;
        }
        .container,
        .container-fluid {
            width: 100%;
            max-width: 1240px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            border-radius: 8px;
            padding: 10px 22px;
            font-weight: 500;
            line-height: 1.4;
            transition: all 0.22s ease;
            white-space: nowrap;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(21, 74, 102, 0.18);
        }
        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            background: #EFF6F8;
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-soft {
            background: #E7F0F4;
            color: var(--primary);
        }
        .btn-soft:hover {
            background: #D6E6EC;
            color: var(--primary-dark);
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        .chip:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px var(--accent-soft);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            border-bottom: 1px solid rgba(225, 233, 238, 0.8);
            transition: box-shadow 0.2s ease, min-height 0.2s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .site-header .header-wrap {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 72px;
            transition: min-height 0.2s ease;
        }
        .site-header.scrolled .header-wrap {
            min-height: 64px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-dot {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--highlight);
            color: #fff;
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: -0.02em;
        }
        .brand-text {
            display: block;
            color: var(--heading-color);
            font-size: 19px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }
        .brand-sub {
            display: block;
            color: var(--muted-text);
            font-size: 11px;
            line-height: 1.2;
            margin-top: 2px;
            letter-spacing: 0.02em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex: 1;
            min-width: 0;
            padding: 0 8px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            line-height: 1.4;
            color: var(--heading-color);
            background: #EEF4F7;
            border: 0;
            white-space: nowrap;
            transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
        }
        .nav-link:hover {
            background: #DFEBF1;
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-cta {
            padding: 9px 18px;
            font-size: 14px;
            line-height: 1.4;
        }
        .nav-trigger {
            display: none;
            width: 44px;
            height: 44px;
            border: 0;
            border-radius: 10px;
            background: #E7F0F4;
            color: var(--primary);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .nav-trigger:hover {
            background: #D6E6EC;
        }
        .nav-trigger svg {
            width: 22px;
            height: 22px;
        }

        main {
            display: block;
        }

        .article-banner {
            position: relative;
            color: #fff;
            padding: 58px 0 178px;
            background:
                linear-gradient(130deg, rgba(16, 44, 59, 0.94), rgba(21, 74, 102, 0.88)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        }
        .article-banner .breadcrumb-zone {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.68);
            margin-bottom: 24px;
        }
        .article-banner .breadcrumb-zone a {
            color: rgba(255, 255, 255, 0.82);
            transition: color 0.2s ease;
        }
        .article-banner .breadcrumb-zone a:hover {
            color: #fff;
        }
        .banner-chip {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #fff;
            font-size: 13px;
            margin-bottom: 14px;
        }
        .article-banner h1 {
            max-width: 920px;
            font-size: 42px;
            line-height: 1.28;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 22px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .banner-meta svg {
            width: 16px;
            height: 16px;
            stroke: rgba(255, 255, 255, 0.7);
        }

        .article-main-section {
            background: var(--page-bg);
            padding-bottom: var(--section-space);
        }
        .article-layout {
            max-width: 880px;
            margin: 0 auto;
        }
        .article-paper {
            margin-top: -92px;
            position: relative;
            z-index: 3;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: var(--radius-lg);
            padding: 56px 72px;
            box-shadow: var(--shadow-sm);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--body-text);
        }
        .article-body p {
            margin: 0 0 1.3em;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--heading-color);
            font-weight: 700;
            margin-top: 2.2em;
            margin-bottom: 0.8em;
            line-height: 1.45;
            letter-spacing: -0.01em;
        }
        .article-body h2 {
            font-size: 25px;
            padding-left: 14px;
            border-left: 4px solid var(--highlight);
        }
        .article-body h3 {
            font-size: 20px;
        }
        .article-body h4 {
            font-size: 17px;
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em;
            padding-left: 1.4em;
        }
        .article-body li {
            margin-bottom: 0.45em;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 1.6em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            background: var(--soft-bg);
            border-left: 4px solid var(--accent);
            border-radius: 0 12px 12px 0;
            margin: 1.8em 0;
            padding: 18px 22px;
            color: var(--heading-color);
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body table {
            width: 100%;
            margin: 1.6em 0;
            border-collapse: collapse;
            font-size: 14px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--line-color);
            padding: 12px 14px;
            text-align: left;
        }
        .article-body th {
            background: var(--soft-bg);
            color: var(--heading-color);
            font-weight: 600;
        }

        .article-tags-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--line-color);
        }
        .article-tags-row .label {
            font-size: 13px;
            color: var(--muted-text);
            margin-right: 4px;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--primary);
            background: #EBF3F6;
            border: 1px solid transparent;
            transition: all 0.2s ease;
        }
        .chip:hover {
            border-color: rgba(46, 147, 173, 0.35);
            background: #E1EEF3;
            color: var(--primary-dark);
        }

        .article-pager {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 26px;
        }

        .related-section {
            background: var(--soft-bg);
            padding: var(--section-space) 0;
        }
        .section-head {
            margin-bottom: 38px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--accent);
        }
        .section-head .eyebrow::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--highlight);
            border-radius: 4px;
        }
        .section-head h2 {
            color: var(--heading-color);
            font-size: 28px;
            font-weight: 700;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
        }
        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: rgba(46, 147, 173, 0.25);
        }
        .related-card .card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E9F0F4;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-body {
            display: flex;
            flex-direction: column;
            flex: 1;
            padding: 20px 20px 18px;
        }
        .card-tag {
            display: inline-flex;
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .card-body h3 {
            color: var(--heading-color);
            font-size: 18px;
            line-height: 1.5;
            margin: 0 0 8px;
            font-weight: 700;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .card-body p {
            color: var(--body-text);
            font-size: 14px;
            line-height: 1.75;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
        }
        .card-link svg {
            width: 16px;
            height: 16px;
            stroke: currentColor;
            transition: transform 0.2s ease;
        }
        .related-card:hover .card-link svg {
            transform: translateX(3px);
        }

        .article-cta-band {
            background: #E9F1F5;
            padding: 56px 0;
            border-top: 1px solid rgba(225, 233, 238, 0.9);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 22px 32px;
        }
        .cta-inner h2 {
            font-size: 25px;
            color: var(--heading-color);
            margin: 0 0 6px;
            font-weight: 700;
        }
        .cta-inner p {
            margin: 0;
            color: var(--body-text);
            font-size: 15px;
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .not-found-area {
            background: var(--soft-bg);
            padding: 120px 0;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }
        .not-found-panel {
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 40px;
        }
        .not-found-code {
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
            font-size: 48px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1;
        }
        .not-found-panel h1 {
            color: var(--heading-color);
            font-size: 28px;
            margin: 16px 0 12px;
        }
        .not-found-panel p {
            margin: 0 0 20px;
            color: var(--muted-text);
        }

        .site-footer {
            background: var(--deep-navy);
            color: #D3E0E7;
            padding: 60px 0 0;
        }
        .safe-line {
            max-width: 1240px;
            margin: 0 auto 34px;
            padding: 12px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-logo .brand-dot {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            font-size: 16px;
        }
        .footer-about {
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
            line-height: 1.8;
            max-width: 420px;
            margin-bottom: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            transition: color 0.2s ease, transform 0.2s ease;
            display: inline-flex;
        }
        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-tags span {
            display: inline-flex;
            align-items: center;
            padding: 5px 13px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.74);
            font-size: 13px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            color: rgba(255, 255, 255, 0.42);
            font-size: 13px;
            text-align: center;
            line-height: 1.7;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .modal-content {
            border: 0;
            border-radius: 22px;
            box-shadow: 0 24px 60px rgba(16, 44, 59, 0.25);
            overflow: hidden;
        }
        .modal-header {
            padding: 24px 28px 8px;
            border-bottom: 0;
            align-items: flex-start;
        }
        .modal-header h5 {
            color: var(--heading-color);
            font-weight: 700;
            font-size: 22px;
        }
        .modal-header .btn-close {
            background: transparent;
            opacity: 0.55;
            transition: opacity 0.2s ease;
            width: 12px;
            height: 12px;
        }
        .modal-header .btn-close:hover {
            opacity: 1;
        }
        .modal-body {
            padding: 14px 28px 28px;
        }
        .modal-form .form-label {
            font-size: 13px;
            color: var(--heading-color);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .modal-form .form-control,
        .modal-form .form-select {
            min-height: 44px;
            border: 1px solid #D5E1E7;
            border-radius: 8px;
            padding: 9px 14px;
            color: var(--body-text);
            font-size: 15px;
            background: #fff;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .modal-form textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }
        .modal-form .form-control:focus,
        .modal-form .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-soft);
        }
        .modal-helper {
            margin-top: 4px;
            font-size: 12px;
            color: var(--muted-text);
        }
        .privacy-note {
            margin-top: 18px;
            padding: 14px 16px;
            background: var(--soft-bg);
            border-radius: 10px;
            font-size: 13px;
            color: var(--muted-text);
            line-height: 1.8;
        }
        .privacy-note .privacy-title {
            display: block;
            color: var(--heading-color);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .privacy-note ul {
            margin: 0;
            padding-left: 18px;
        }
        .form-success {
            background: #E6F2F5;
            color: var(--primary);
            border: 1px solid rgba(46, 147, 173, 0.18);
            border-radius: 8px;
            padding: 10px 16px;
            font-size: 14px;
            margin-bottom: 12px;
        }

        @media (max-width: 991.98px) {
            .site-header .header-wrap {
                min-height: 66px;
            }
            .main-nav {
                position: absolute;
                top: calc(100% + 6px);
                left: 20px;
                right: 20px;
                z-index: 1060;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 6px;
                display: none;
                background: #fff;
                border: 1px solid var(--line-color);
                border-radius: 18px;
                padding: 14px;
                box-shadow: 0 18px 42px rgba(21, 50, 66, 0.14);
            }
            .site-header.nav-open .main-nav {
                display: flex;
            }
            .main-nav .nav-link {
                padding: 11px 16px;
                text-align: left;
            }
            .nav-trigger {
                display: inline-flex;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 64px;
            }
            .brand-sub {
                display: none;
            }
            .brand-text {
                font-size: 17px;
            }
            .article-banner {
                padding: 34px 0 158px;
            }
            .article-banner h1 {
                font-size: 30px;
            }
            .article-paper {
                padding: 30px 24px;
                margin-top: -110px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 21px;
            }
            .related-card .card-body {
                padding: 16px;
            }
            .cta-inner {
                justify-content: center;
                text-align: center;
            }
            .cta-btn-group {
                justify-content: center;
            }
            .not-found-panel {
                padding: 34px 24px;
            }
        }

        @media (max-width: 575.98px) {
            .site-header .header-wrap {
                gap: 10px;
                min-height: 62px;
            }
            .logo-wrap {
                gap: 8px;
            }
            .brand-dot {
                width: 34px;
                height: 34px;
                font-size: 16px;
                border-radius: 9px;
            }
            .brand-text {
                font-size: 16px;
            }
            .nav-cta {
                padding: 9px 12px;
                font-size: 13px;
            }
            .nav-trigger {
                width: 40px;
                height: 40px;
            }
            .main-nav {
                left: 12px;
                right: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .safe-line {
                margin-bottom: 22px;
            }
            .modal-body {
                padding: 14px 18px 20px;
            }
            .modal-header {
                padding-left: 18px;
                padding-right: 18px;
            }
            .article-banner h1 {
                font-size: 26px;
            }
            .banner-meta {
                font-size: 13px;
                gap: 8px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #154A66;
            --brand-2: #17607C;
            --accent: #2E93AD;
            --gold: #D99540;
            --bg-soft: #F3F7F9;
            --white: #FFFFFF;
            --heading: #153243;
            --text: #354F5F;
            --muted: #72909C;
            --border: #E1E9EE;
            --radius-lg: 14px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(21, 50, 66, 0.06);
            --shadow-hover: 0 10px 24px rgba(21, 50, 66, 0.10);
            --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
            --font-data: Inter, "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .18s ease;
        }

        a:hover {
            color: var(--brand);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            max-width: 1240px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(21, 50, 66, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0;
            transition: box-shadow .2s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 12px 30px rgba(10, 28, 40, 0.14);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            flex-wrap: nowrap;
            gap: 16px;
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .brand-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gold);
            color: #102C3B;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .brand-text {
            display: block;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -.2px;
            white-space: nowrap;
        }

        .brand-sub {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            line-height: 1.3;
            letter-spacing: .2px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 38px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid transparent;
            white-space: nowrap;
            transition: background .18s ease, color .18s ease;
        }

        .main-nav .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.13);
        }

        .main-nav .nav-link.active {
            color: #ffffff;
            background: var(--accent);
            border-color: rgba(255, 255, 255, 0.2);
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom {
            background: var(--accent);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 18px;
            line-height: 1.5;
            white-space: nowrap;
            transition: background .18s ease, transform .18s ease;
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: #1B7E97;
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-trigger {
            display: none;
            background: none;
            border: 1px solid rgba(255,255,255,.2);
            border-radius: 10px;
            color: #fff;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(115deg, #0E344A 0%, #154A66 62%, #1D6180 100%);
            color: #fff;
            padding: 92px 0 84px;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .14;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(10, 38, 54, 0.9) 20%, rgba(14, 52, 74, 0.62) 72%, rgba(38, 100, 124, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-pill);
            padding: 5px 15px;
            font-size: 13px;
            letter-spacing: .6px;
            color: rgba(255,255,255,.86);
            margin-bottom: 22px;
        }

        .page-hero h1 {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
        }

        .page-hero h1 span {
            color: #F0B468;
        }

        .page-hero p.hero-lead {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255,255,255,0.8);
            margin-bottom: 26px;
        }

        .hero-meta-info {
            font-size: 13px;
            color: rgba(255,255,255,0.57);
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 14px;
            margin-bottom: 0;
        }

        .hero-meta-info span {
            margin-right: 24px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid rgba(255,255,255,.4);
            color: var(--brand);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 22px;
            transition: all .18s ease;
        }

        .btn-white:hover {
            transform: translateY(-2px);
            background: #F3F7F9;
            color: var(--brand);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1px solid rgba(255,255,255,.5);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            transition: all .18s ease;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255,255,255,.12);
            color: #fff;
            border-color: #fff;
        }

        .section-block {
            padding: 96px 0;
        }

        .section-block.soft-bg {
            background: var(--bg-soft);
        }

        .section-label {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.6px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            color: var(--heading);
            font-weight: 700;
            letter-spacing: -.4px;
            margin-bottom: 18px;
        }

        .section-subtext {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
            max-width: 820px;
        }

        .split-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            margin-bottom: 56px;
        }

        .split-head .section-subtext {
            max-width: 480px;
            margin: 0;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 26px;
            height: 100%;
            transition: box-shadow .2s ease, transform .2s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: #E6F2F6;
            color: var(--brand);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 13px;
        }

        .feature-card p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
            margin-bottom: 0;
        }

        .wide-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            margin-bottom: 28px;
        }

        .wide-card .info-side {
            padding: 38px 40px;
        }

        .wide-card .info-side h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 18px;
        }

        .wide-card .info-side p {
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .card-list {
            list-style: none;
            padding-left: 0;
            margin: 28px 0 20px;
        }

        .card-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 15px;
        }

        .card-list li:last-child {
            border-bottom: none;
        }

        .card-list .badge-dot {
            flex: 0 0 auto;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--gold);
            margin-top: 10px;
        }

        .image-card {
            border-radius: 16px;
            overflow: hidden;
            height: 100%;
            min-height: 220px;
            background-color: #dce8ed;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .image-overlay-card {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            background: rgba(255,255,255,0.82);
            backdrop-filter: blur(6px);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 13px;
            color: var(--heading);
        }

        .process-section {
            background: linear-gradient(135deg, #102C3B 0%, #154A66 70%, #17607C 100%);
            color: #fff;
            padding: 96px 0;
        }

        .process-section .section-title,
        .process-section .section-subtext {
            color: #fff;
        }

        .process-section .section-label {
            color: #F0B468;
        }

        .process-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 16px;
            padding: 24px;
            height: 100%;
            backdrop-filter: blur(6px);
        }

        .process-number {
            font-family: var(--font-data);
            font-size: 48px;
            font-weight: 800;
            line-height: 1;
            color: rgba(255,255,255,0.18);
            margin-bottom: 22px;
        }

        .process-item h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-item p {
            color: rgba(255,255,255,0.68);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 22px;
            height: 100%;
            transition: box-shadow .2s ease;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .scenario-card .scenario-tag {
            font-size: 13px;
            color: var(--accent);
            background: #E9F4F7;
            padding: 5px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 16px;
            color: var(--heading);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .related-links-layout {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .inlink-block {
            border-radius: 16px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            padding: 26px;
            color: var(--heading);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            transition: all .18s ease;
        }

        .inlink-block:hover {
            background: #EDF5F8;
            color: var(--brand);
            border-color: #c3d8df;
        }

        .inlink-block .link-title {
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 4px;
        }

        .inlink-block .link-sub {
            font-size: 14px;
            color: var(--muted);
        }

        .link-arrow {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--white);
            color: var(--accent);
            box-shadow: var(--shadow-sm);
            flex-shrink: 0;
        }

        .quote-block {
            display: flex;
            gap: 18px;
            padding: 28px;
            border-radius: 14px;
            border: 1px solid var(--border);
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
            margin-top: 28px;
        }

        .quote-block .quote-icon {
            font-size: 28px;
            color: var(--gold);
            line-height: 1;
        }

        .quote-block p {
            font-size: 15px;
            margin-bottom: 0;
            color: var(--text);
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.6fr;
            gap: 52px;
        }

        .faq-intro-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .faq-intro {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 26px;
        }

        .faq-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--heading);
            padding: 20px 30px 20px 0;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .faq-accordion .accordion-body {
            padding: 4px 44px 24px 0;
            color: var(--text);
            font-size: 15px;
            line-height: 1.85;
        }

        .cta-band {
            background: #EDE6DA;
            border-radius: 20px;
            padding: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .cta-band h2 {
            font-size: 26px;
            color: var(--heading);
            font-weight: 700;
            margin: 0 0 10px;
        }

        .cta-band p {
            font-size: 15px;
            color: var(--text);
            margin-bottom: 0;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: #153243;
            border-radius: 9px;
            border: 1px solid transparent;
            font-size: 15px;
            padding: 11px 24px;
            font-weight: 700;
            transition: all .18s ease;
        }

        .btn-gold:hover {
            background: #c98833;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-secondary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand);
            border: 1px solid var(--brand);
            border-radius: 9px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            transition: all .18s ease;
        }

        .btn-outline-secondary-custom:hover {
            background: #EDF5F8;
            color: var(--brand);
        }

        .modal-content {
            border-radius: 18px;
            border: none;
        }

        .modal-header {
            padding: 28px 28px 0;
            border-bottom: none;
        }

        .modal-body {
            padding: 22px 28px 18px;
        }

        .modal-footer {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 8px;
            padding: 14px 28px 20px;
            border-top: none;
        }

        .modal-title {
            font-weight: 700;
            color: var(--heading);
            font-size: 22px;
        }

        .modal-backdrop.show {
            opacity: .85;
        }

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--heading);
        }

        .form-control {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 15px;
            min-height: 44px;
            color: var(--text);
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(46, 147, 173, 0.15);
        }

        .form-select {
            border-radius: 8px;
            min-height: 44px;
            border-color: var(--border);
            font-size: 15px;
        }

        .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(46, 147, 173, 0.15);
        }

        .privacy-notes {
            background: #F5F8FA;
            padding: 16px 18px;
            border-radius: 10px;
            border: 1px solid #E8EEF1;
            margin-top: 18px;
            font-size: 13px;
            color: var(--muted);
        }

        .privacy-notes ul {
            margin: 8px 0 0;
            padding-left: 18px;
        }

        .site-footer {
            background-color: #102C3B;
            color: rgba(255,255,255,0.75);
            padding: 64px 0 28px;
            font-size: 14px;
        }

        .safe-line {
            border: 1px solid rgba(255,255,255,0.1);
            background: rgba(255,255,255,0.04);
            padding: 14px 18px;
            border-radius: 12px;
            color: rgba(255,255,255,0.68);
            font-size: 13px;
            margin-bottom: 42px;
            line-height: 1.75;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1.2fr;
            gap: 50px;
            margin-bottom: 50px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-about {
            color: rgba(255,255,255,0.56);
            font-size: 14px;
            line-height: 1.9;
            margin: 0;
            max-width: 400px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links {
            padding: 0;
            list-style: none;
            margin: 0;
        }

        .footer-links li {
            padding: 5px 0;
        }

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-tags span {
            font-size: 13px;
            padding: 5px 13px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,0.2);
            color: rgba(255,255,255,0.64);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            text-align: center;
            color: rgba(255,255,255,0.5);
            font-size: 13px;
        }

        @media (max-width: 991.98px) {
            .header-wrap {
                min-height: 70px;
            }

            .main-nav {
                position: fixed;
                top: 74px;
                left: 16px;
                right: 16px;
                z-index: 103;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: #ffffff;
                border-radius: 16px;
                box-shadow: 0 20px 40px rgba(10, 28, 40, .18);
                padding: 16px;
                margin: 0;
                opacity: 0;
                pointer-events: none;
                transform: translateY(-8px);
                transition: all .2s ease;
            }

            .main-nav.open {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }

            .main-nav .nav-link {
                width: 100%;
                justify-content: center;
                background: transparent;
                color: var(--heading);
                border: 1px solid var(--border);
            }

            .main-nav .nav-link.active {
                background: var(--brand);
                color: #fff;
                border-color: var(--brand);
            }

            .nav-trigger {
                display: inline-flex;
            }

            .nav-cta {
                display: none;
            }

            .page-hero {
                padding: 72px 0 64px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .section-title {
                font-size: 27px;
            }

            .section-block,
            .process-section {
                padding: 68px 0;
            }

            .split-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 4px;
            }

            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .cta-band {
                padding: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-sub {
                display: none;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-dot {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .section-title {
                font-size: 24px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .wide-card .info-side {
                padding: 28px 22px;
            }

            .image-card {
                min-height: 170px;
            }

            .related-links-layout {
                grid-template-columns: 1fr;
            }

            .cta-band {
                padding: 30px 24px;
            }

            .cta-band h2 {
                font-size: 22px;
            }

            .footer-bottom {
                line-height: 1.8;
            }

            .quote-block {
                padding: 22px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #154A66;
            --primary-deep: #0E344A;
            --primary-soft: #EAF1F4;
            --accent: #2E93AD;
            --amber: #D99540;
            --bg-body: #FFFFFF;
            --bg-soft: #F3F7F9;
            --bg-footer: #102C3B;
            --title: #153243;
            --text: #354F5F;
            --muted: #72909C;
            --border: #E1E9EE;
            --radius: 14px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow: 0 2px 12px rgba(21, 50, 66, 0.06);
            --shadow-hover: 0 10px 24px rgba(21, 50, 66, 0.10);
            --container: 1240px;
            --space-section: 96px;
        }

        html {
            scroll-behavior: smooth;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-body);
            color: var(--text);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        body.modal-open {
            padding-right: 0 !important;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--title);
            font-weight: 700;
            line-height: 1.35;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            max-width: var(--container);
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            margin-left: -12px;
            margin-right: -12px;
        }

        .row>[class*="col-"] {
            padding-left: 12px;
            padding-right: 12px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(225, 233, 238, 0.8);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 18px rgba(21, 50, 66, 0.07);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 24px;
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -1px;
            box-shadow: 0 6px 14px rgba(21, 74, 102, 0.22);
        }

        .brand-text {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: -0.2px;
            line-height: 1.3;
        }

        .brand-sub {
            display: block;
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.2px;
            line-height: 1.3;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 38px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            background: transparent;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .nav-link:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: transparent;
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(21, 74, 102, 0.20);
        }

        .nav-link.active:hover {
            color: #fff;
            background: var(--primary-deep);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.2px;
        }

        .btn-primary-custom {
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
            padding: 10px 20px;
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .btn-primary-custom:hover {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(14, 52, 74, 0.20);
        }

        .btn-outline-custom {
            background: #fff;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-outline-custom:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary);
        }

        .nav-trigger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 10px;
            color: var(--primary);
            cursor: pointer;
        }

        .anchor-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
        }

        .anchor-link:hover {
            color: var(--accent);
        }

        .anchor-icon {
            width: 18px;
            height: 18px;
            display: inline-flex;
        }

        .hero-banner {
            position: relative;
            padding: 88px 0 80px;
            color: #fff;
            background-color: var(--bg-footer);
            background-image: linear-gradient(100deg, rgba(16, 44, 59, 0.94), rgba(21, 74, 102, 0.72)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 50, 66, 0.20), transparent 50%);
            pointer-events: none;
        }

        .hero-wrap {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 0.92fr;
            gap: 48px;
            align-items: center;
        }

        .hero-crumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }

        .hero-banner h1 {
            color: #fff;
            font-size: 42px;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-banner h1 span {
            color: #F7D6A8;
        }

        .hero-lead {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 26px;
        }

        .hero-meta-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
        }

        .hero-meta-list li {
            position: relative;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.80);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta-list li::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--amber);
            flex-shrink: 0;
        }

        .hero-figure {
            position: relative;
        }

        .hero-figure .cover-box {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 36px rgba(0, 0, 0, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.20);
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-figure .cover-box img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .hero-figure-label {
            position: absolute;
            left: -14px;
            bottom: 28px;
            background: #fff;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-bg {
            background: var(--bg-soft);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--amber);
            border-radius: 4px;
        }

        .section-head h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--muted);
            max-width: 720px;
            margin-bottom: 0;
        }

        .section-head {
            margin-bottom: 44px;
        }

        .advantage-list {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 26px 0 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .advantage-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 4px;
            border-right: 1px solid var(--border);
            color: var(--text);
        }

        .advantage-list li:last-child {
            border-right: 0;
        }

        .advantage-list li::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .support-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .support-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .support-card-lg {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow);
        }

        .support-card-lg-inner {
            padding: 30px;
            flex: 1;
        }

        .support-card-lg .visual {
            background: var(--primary-soft);
            min-height: 170px;
            border-top: 1px solid var(--border);
            position: relative;
        }

        .support-card-lg .visual img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .support-card-lg .visual::after {
            content: "常见疑问协助内容";
            position: absolute;
            left: 16px;
            bottom: 14px;
            color: #fff;
            background: rgba(21, 74, 102, 0.72);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
        }

        .support-card h3,
        .support-card-lg h3 {
            font-size: 19px;
            margin-bottom: 14px;
        }

        .support-card p,
        .support-card-lg p {
            color: var(--muted);
            margin-bottom: 16px;
            font-size: 14px;
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text);
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li::before {
            content: "";
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary-soft);
            border: 2px solid var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .card-tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .query-note {
            background: #FBF5EC;
            border: 1px solid #F0DEC5;
            border-left: 4px solid var(--amber);
            border-radius: 12px;
            padding: 20px 24px;
            color: #6B5744;
            font-size: 14px;
            margin-top: 24px;
        }

        .query-note strong {
            color: var(--primary);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 20px;
            border: 1px solid var(--border);
            position: relative;
            transition: all 0.25s ease;
            min-height: 170px;
        }

        .process-step:hover {
            border-color: rgba(46, 147, 173, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--amber);
            line-height: 1;
            display: block;
            margin-bottom: 16px;
            font-family: Inter, "Helvetica Neue", Arial, sans-serif;
        }

        .process-step h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .process-step p {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.8;
            margin: 0;
        }

        .relation-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .relation-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .relation-cover {
            height: 170px;
            overflow: hidden;
        }

        .relation-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .relation-card:hover .relation-cover img {
            transform: scale(1.05);
        }

        .relation-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .relation-body h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .relation-body p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.8;
        }

        .relation-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
        }

        .relation-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .faq-section .faq-col {
            border-left: 1px solid var(--border);
            padding-left: 36px;
        }

        .faq-guide {
            background: var(--primary-soft);
            border-radius: var(--radius);
            padding: 24px;
            margin-top: 20px;
        }

        .faq-guide h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .faq-guide p {
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 12px;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--border);
            background: transparent;
        }

        .accordion-button {
            background: transparent;
            color: var(--title);
            font-weight: 600;
            font-size: 15px;
            padding: 20px 16px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-radius: 8px;
            outline: 2px solid rgba(46, 147, 173, 0.3);
        }

        .accordion-body {
            padding: 0 16px 22px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
        }

        .page-cta {
            background: var(--bg-footer);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0;
            color: #EAF1F4;
            position: relative;
        }

        .page-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(16, 44, 59, 0.88);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
            max-width: 620px;
        }

        .site-footer {
            background: var(--bg-footer);
            color: #C6D2D9;
            padding: 48px 0 0;
            font-size: 14px;
        }

        .safe-line {
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 8px;
            padding: 12px 16px;
            font-size: 12px;
            color: #ADC0C9;
            margin-bottom: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 44px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 14px;
        }

        .footer-logo .brand-dot {
            width: 36px;
            height: 36px;
            font-size: 18px;
            background: var(--amber);
            color: #102C3B;
        }

        .footer-about {
            color: #9FB6C3;
            font-size: 13px;
            line-height: 1.9;
            max-width: 360px;
            margin: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #A9BFCC;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #FFF;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tags span {
            display: inline-flex;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: #C6D2D9;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px 0;
            font-size: 13px;
            color: #8DA6B5;
            text-align: center;
        }

        .modal-brand {
            background: #fff;
            border-radius: 18px;
            overflow: hidden;
            border: 0;
        }

        .modal-brand .modal-header {
            background: var(--primary);
            color: #fff;
            padding: 22px 26px;
            border-bottom: 0;
            align-items: center;
        }

        .modal-brand .modal-header h5 {
            color: #fff;
            font-size: 18px;
            margin: 0;
        }

        .modal-brand .btn-close {
            filter: invert(1) grayscale(1) brightness(2.2);
            opacity: 0.8;
        }

        .modal-brand .modal-body {
            padding: 26px;
        }

        .form-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--title);
        }

        .form-control,
        .form-select {
            height: 44px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--title);
            font-size: 14px;
            background: #fff;
            transition: all 0.2s ease;
        }

        textarea.form-control {
            height: auto;
            min-height: 110px;
            padding-top: 10px;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(46, 147, 173, 0.15);
        }

        .privacy-note {
            background: var(--bg-soft);
            border-radius: 10px;
            padding: 12px 14px;
            font-size: 12px;
            color: var(--muted);
            line-height: 1.8;
            margin-top: 6px;
        }

        .privacy-note strong {
            color: var(--title);
        }

        .modal-backdrop.show {
            opacity: 0.85;
        }

        .btn-submit-custom {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            height: 44px;
            padding-left: 30px;
            padding-right: 30px;
            border: 0;
            border-radius: 8px;
        }

        .btn-submit-custom:hover {
            background: var(--primary-deep);
            color: #fff;
        }

        .img-soft {
            background: var(--primary-soft);
        }

        .anchor-icon svg {
            width: 18px;
            height: 18px;
        }

        @media (max-width: 1024px) {
            .header-wrap {
                min-height: 70px;
            }

            .main-nav {
                gap: 5px;
            }

            .nav-link {
                padding: 5px 14px;
                font-size: 13px;
            }

            .hero-banner {
                padding: 64px 0;
            }

            .hero-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-figure {
                max-width: 680px;
            }

            .advantage-list {
                grid-template-columns: 1fr 1fr 1fr;
            }

            .process-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 991px) {
            .nav-cta-group .btn-primary-custom {
                display: none;
            }

            .nav-trigger {
                display: inline-flex;
            }

            .main-nav {
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 16px;
                box-shadow: 0 12px 32px rgba(21, 50, 66, 0.16);
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 16px;
                display: none;
                border: 1px solid var(--border);
                z-index: 1080;
            }

            .main-nav.nav-open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                justify-content: flex-start;
                padding: 11px 16px;
                border-radius: 10px;
                font-size: 15px;
                min-height: 44px;
            }

            .nav-link.active {
                background: var(--primary-soft);
                color: var(--primary);
                box-shadow: none;
            }

            .faq-section .faq-col {
                border-left: 0;
                padding-left: 0;
                margin-top: 36px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 64px;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .header-wrap {
                min-height: 66px;
                gap: 12px;
            }

            .brand-dot {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-sub {
                display: none;
            }

            .hero-banner {
                padding: 48px 0;
            }

            .hero-banner h1 {
                font-size: 32px;
                line-height: 1.35;
            }

            .hero-banner .hero-lead {
                font-size: 15px;
            }

            .hero-meta-list {
                flex-direction: column;
                gap: 8px;
            }

            .hero-figure .cover-box img {
                height: 220px;
            }

            .hero-figure-label {
                left: 8px;
                bottom: -12px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 14px;
            }

            .advantage-list {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .advantage-list li {
                border-right: 0;
                border-bottom: 1px solid var(--border);
                padding: 14px 2px;
            }

            .advantage-list li:last-child {
                border-bottom: 0;
            }

            .support-card-lg-inner {
                padding: 22px;
            }

            .support-card,
            .relation-card {
                margin-bottom: 0;
            }

            .inline-stack-card {
                margin-bottom: 20px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .process-step {
                min-height: 0;
            }

            .relation-cover {
                height: 200px;
            }

            .faq-col {
                margin-top: 16px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .modal-brand .modal-body {
                padding: 18px;
            }

            .modal-dialog {
                margin: 12px;
            }

            .btn-primary-custom,
            .btn-outline-custom {
                min-height: 44px;
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 14px;
            }

            .brand-dot {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .hero-banner h1 {
                font-size: 27px;
            }

            .hero-lead {
                font-size: 14px;
            }

            .hero-crumb {
                font-size: 12px;
            }

            .card-tag {
                font-size: 11px;
            }

            .check-list li {
                font-size: 13px;
            }

            .support-card-lg .visual img {
                height: 160px;
            }
        }
