/* roulang page: index */
:root {
            --primary: #1f5d4b;
            --primary-dark: #102a23;
            --primary-soft: rgba(31, 93, 75, 0.08);
            --primary-line: rgba(31, 93, 75, 0.18);
            --accent: #c9874a;
            --accent-dark: #a5753f;
            --bg: #f6f6f2;
            --bg-card: #ffffff;
            --footer-bg: #0e2620;
            --text-main: #22332d;
            --text-muted: #66766e;
            --border: rgba(16, 42, 35, 0.1);
            --border-strong: rgba(16, 42, 35, 0.18);
            --white-soft: rgba(255, 255, 255, 0.92);
            --shadow-sm: 0 2px 8px rgba(16, 42, 35, 0.05);
            --shadow-md: 0 12px 28px rgba(16, 42, 35, 0.09);
            --radius-lg: 14px;
            --radius-md: 8px;
            --radius-pill: 999px;
            --section-space: clamp(4rem, 8vw, 7rem);
            --font-sans: "Inter", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        body.page-home {
            background-color: var(--bg);
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.18s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid rgba(31, 93, 75, 0.58);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
        }

        .eyebrow {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            font-weight: 600;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: "";
            width: 20px;
            height: 2px;
            background-color: var(--accent);
            display: inline-block;
            flex-shrink: 0;
        }

        .section-title {
            font-size: clamp(1.7rem, 2.6vw, 2.2rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            color: var(--primary-dark);
            margin-bottom: 0.6rem;
        }

        .section-lead {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 640px;
            margin-bottom: 2rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            padding: 0.65rem 1.4rem;
            border: 1px solid transparent;
            transition: all 0.18s ease;
            line-height: 1.5;
            white-space: nowrap;
        }

        .btn svg {
            margin-left: 8px;
        }

        .btn-primary-lg {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 0.85rem 1.9rem;
            font-size: 1rem;
        }

        .btn-primary-lg:hover {
            background-color: #174c3d;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(31, 93, 75, 0.18);
        }

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

        .btn-outline-primary:hover {
            border-color: var(--primary);
            background-color: var(--primary-soft);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
            background: transparent;
        }

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

        .btn-cta {
            background-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 0.55rem 1.15rem;
            font-size: 0.88rem;
            font-weight: 600;
            transition: all 0.18s ease;
        }

        .btn-cta:hover {
            background-color: #174c3d;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(31, 93, 75, 0.18);
        }

        .btn-ghost {
            color: var(--text-muted);
            padding: 0.5rem 1rem;
        }

        .btn-ghost:hover {
            color: var(--primary);
        }

        .text-muted-2 {
            color: var(--text-muted);
        }

        @media (hover: hover) {
            .btn-primary-lg:hover,
            .btn-outline-primary:hover,
            .btn-cta:hover {
                transform: translateY(-2px);
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: 76px;
            background: rgba(246, 246, 242, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.2s ease;
        }

        .site-header .nav-inner {
            display: flex;
            align-items: center;
            height: 76px;
            gap: 28px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 7px;
            flex-shrink: 0;
        }

        .brand-mark {
            position: relative;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .brand-mark svg {
            width: 18px;
            height: 18px;
            stroke: #fff;
        }

        .brand-text {
            font-weight: 800;
            font-size: 1.06rem;
            color: var(--primary-dark);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        .brand-text strong {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            position: relative;
        }

        .nav-links a:hover {
            background-color: var(--primary-soft);
            color: var(--primary);
        }

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

        .nav-links a.active::after {
            content: "";
            width: 4px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 50%;
            display: inline-block;
            margin-left: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .cmd-search {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 6px 10px 6px 12px;
            color: var(--text-muted);
            font-size: 0.84rem;
            cursor: pointer;
            transition: border-color 0.18s ease, background 0.18s ease;
            box-shadow: var(--shadow-sm);
        }

        .cmd-search:hover {
            border-color: var(--primary-line);
            background-color: #fdfdfb;
        }

        .cmd-search span {
            padding: 0 4px;
            font-weight: 400;
        }

        .cmd-search kbd {
            font-family: inherit;
            font-size: 0.72rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 5px;
            padding: 1px 6px;
            color: var(--text-muted);
        }

        .cmd-search svg {
            width: 15px;
            height: 15px;
            stroke: var(--text-muted);
        }

        .menu-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--primary-dark);
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
        }

        .mobile-menu {
            background: #fff;
            color: var(--primary-dark);
            width: 320px;
            border-left: 1px solid var(--border);
        }

        .mobile-menu .offcanvas-header {
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav-links {
            list-style: none;
            padding: 12px 0;
            margin: 0;
        }

        .mobile-nav-links li a {
            display: block;
            padding: 12px 18px;
            border-radius: 10px;
            color: var(--text-main);
            font-weight: 500;
        }

        .mobile-nav-links li a:hover,
        .mobile-nav-links li a.active {
            background-color: var(--primary-soft);
            color: var(--primary);
        }

        .mobile-helper {
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 12px 18px;
            margin: 0;
        }

        .search-modal .modal-content {
            border: 1px solid var(--border);
            border-radius: 16px;
            background: #fff;
            box-shadow: 0 20px 60px rgba(16, 42, 35, 0.18);
            overflow: hidden;
        }

        .search-panel-body {
            padding: 10px 16px 18px;
            border-top: 1px solid var(--border);
        }

        .search-label {
            font-size: 0.75rem;
            letter-spacing: 0.04em;
            color: var(--text-muted);
            text-transform: uppercase;
            margin: 16px 6px 10px;
        }

        .search-suggestion {
            display: flex;
            align-items: center;
            padding: 9px 12px;
            border-radius: 9px;
            color: var(--text-main);
            font-size: 0.94rem;
            transition: background 0.16s ease;
        }

        .search-suggestion:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .search-suggestion svg {
            width: 15px;
            height: 15px;
            margin-right: 12px;
            stroke: var(--text-muted);
        }

        .search-input-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 16px 14px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .search-input-wrap svg {
            width: 17px;
            height: 17px;
            stroke: var(--text-muted);
            flex-shrink: 0;
        }

        .search-input-wrap input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 1rem;
            font-family: var(--font-sans);
            color: var(--text-main);
            background: transparent;
        }

        .search-input-wrap input::placeholder {
            color: var(--text-muted);
        }

        .search-input-wrap kbd {
            font-family: inherit;
            font-size: 0.72rem;
            border: 1px solid var(--border);
            border-radius: 5px;
            padding: 2px 7px;
            background: var(--bg);
            color: var(--text-muted);
        }

        .hero-section {
            position: relative;
            overflow: hidden;
            background-color: #fbfbf7;
            border-bottom: 1px solid var(--border);
            padding: calc(76px + clamp(3rem, 6vw, 5.5rem)) 0 clamp(3rem, 6vw, 5.5rem);
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            background: repeating-linear-gradient(115deg, transparent 0, transparent 34px, rgba(31, 93, 75, 0.028) 34px, rgba(31, 93, 75, 0.028) 35px);
        }

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

        .hero-content {
            padding-right: 18px;
        }

        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.01em;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            max-width: 620px;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 1.4vw, 1.12rem);
            color: var(--text-muted);
            line-height: 1.9;
            max-width: 530px;
            margin-bottom: 1.8rem;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 1.8rem;
        }

        .hero-cta-group .btn {
            min-height: 48px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 14px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .hero-trust .trust-dot {
            width: 4px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 50%;
            opacity: 0.6;
        }

        .hero-visual {
            position: relative;
            max-width: 640px;
            margin-left: auto;
        }

        .hero-frame-img {
            height: clamp(320px, 38vw, 430px);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .hero-frame-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-frame-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 42, 35, 0.02), rgba(246, 246, 242, 0.42));
            pointer-events: none;
        }

        .card-overlay {
            position: absolute;
            left: 24px;
            right: 24px;
            bottom: 22px;
            background: var(--white-soft);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.65);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-md);
        }

        .card-overlay-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .status-led {
            width: 9px;
            height: 9px;
            background: #37a67a;
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(55, 166, 122, 0.14);
            flex-shrink: 0;
        }

        .card-overlay-head strong {
            font-size: 0.96rem;
            color: var(--primary-dark);
            font-weight: 600;
        }

        .status-tag {
            margin-left: auto;
            font-size: 0.72rem;
            color: var(--primary);
            background: rgba(31, 93, 75, 0.1);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }

        .skeleton-lines {
            display: grid;
            gap: 7px;
            margin-bottom: 18px;
        }

        .skeleton-line {
            height: 8px;
            background: rgba(16, 42, 35, 0.07);
            border-radius: 20px;
        }

        .skeleton-line.short {
            width: 64%;
        }

        .skeleton-search {
            display: flex;
            gap: 8px;
        }

        .skeleton-search span {
            flex: 1;
            height: 30px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
        }

        .skeleton-search i {
            flex: 0 0 58px;
            height: 30px;
            border-radius: 8px;
            background: var(--primary);
            opacity: 0.85;
        }

        @media (max-width: 991px) {
            .hero-section {
                padding: calc(76px + 2.5rem) 0 3rem;
            }
            .hero-visual {
                margin-top: 28px;
                margin-left: 0;
            }
            .hero-frame-img {
                height: 320px;
            }
        }

        .capabilities-section,
        .cases-section,
        .solution-section,
        .updates-section,
        .faq-section,
        .cta-section {
            padding: var(--section-space) 0;
        }

        .capabilities-section {
            background: #fbfbf7;
        }

        .capability-list {
            margin-top: 22px;
            border-top: 1px solid var(--border);
        }

        .capability-row {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 22px 14px;
            border-bottom: 1px solid var(--border);
            border-radius: 12px;
            transition: background 0.18s ease, transform 0.18s ease;
        }

        .capability-row:hover {
            background: rgba(31, 93, 75, 0.04);
            transform: translateX(4px);
        }

        .capability-num {
            width: 48px;
            height: 48px;
            border: 1px solid var(--primary-line);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.92rem;
            background: #fff;
            flex-shrink: 0;
            transition: background 0.18s ease, color 0.18s ease;
        }

        .capability-row:hover .capability-num {
            background: var(--primary);
            color: #fff;
        }

        .capability-body {
            flex: 1;
            min-width: 0;
        }

        .capability-body h3 {
            font-size: 1.16rem;
            font-weight: 650;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .capability-body p {
            margin: 0;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .capability-arrow {
            color: var(--text-muted);
            flex-shrink: 0;
            transition: transform 0.18s ease, color 0.18s ease;
        }

        .capability-arrow svg {
            width: 22px;
            height: 22px;
        }

        .capability-row:hover .capability-arrow {
            color: var(--accent-dark);
            transform: translateX(5px);
        }

        @media (max-width: 767px) {
            .capability-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 18px 8px;
            }
            .capability-num {
                width: 40px;
                height: 40px;
                font-size: 0.82rem;
            }
            .capability-body p {
                font-size: 0.88rem;
            }
            .capability-arrow {
                margin-left: auto;
            }
        }

        .stats-section {
            background-color: var(--primary-dark);
            padding: clamp(3.2rem, 6vw, 5rem) 0;
            color: #fff;
            position: relative;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin: 0;
            padding: 0;
            list-style: none;
            text-align: center;
        }

        .stats-grid li {
            position: relative;
        }

        .stats-grid li + li::before {
            content: "";
            position: absolute;
            left: -18px;
            top: 50%;
            transform: translateY(-50%);
            width: 7px;
            height: 7px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
        }

        .stat-number {
            display: block;
            font-size: clamp(1.7rem, 3.4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.03em;
        }

        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 40px;
            }
            .stats-grid li + li::before {
                display: none;
            }
        }

        .case-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.22s ease, transform 0.22s ease;
        }

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

        .case-media {
            min-height: 280px;
            overflow: hidden;
            position: relative;
        }

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

        .case-card:hover .case-media img {
            transform: scale(1.02);
        }

        .case-body {
            padding: clamp(1.6rem, 4vw, 2.8rem);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-result-tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .case-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .case-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 2px;
        }

        .case-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.18s ease;
        }

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

        .case-link:hover svg {
            transform: translateX(4px);
        }

        .case-card--reverse .case-media {
            order: 2;
        }

        .case-card--reverse .case-body {
            order: 1;
        }

        @media (max-width: 991px) {
            .case-card,
            .case-card--reverse {
                grid-template-columns: 1fr;
            }
            .case-card--reverse .case-media {
                order: 1;
            }
            .case-card--reverse .case-body {
                order: 2;
            }
            .case-media {
                min-height: 210px;
            }
        }

        .solution-section {
            position: relative;
            background-color: #fff;
            overflow: hidden;
        }

        .solution-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.08;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .solution-section .container {
            position: relative;
            z-index: 2;
        }

        .solution-step {
            border-bottom: 1px solid var(--border);
            background: transparent;
            border-radius: 0;
        }

        .faq-accordion .accordion-item,
        .solution-steps .accordion-item {
            border: none;
            background: transparent;
            border-bottom: 1px solid var(--border);
            margin-bottom: 0;
        }

        .faq-accordion .accordion-item:last-child,
        .solution-steps .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-accordion .accordion-header,
        .solution-steps .accordion-header {
            background: transparent;
        }

        .faq-accordion .accordion-button,
        .solution-steps .accordion-button {
            background: transparent;
            box-shadow: none;
            font-weight: 600;
            color: var(--primary-dark);
            padding: 1.2rem 0.5rem 1.2rem 0;
            border: none !important;
            outline: none !important;
            font-size: 1.06rem;
            font-family: var(--font-sans);
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
        }

        .faq-accordion .accordion-button::after,
        .solution-steps .accordion-button::after {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            background-size: contain;
            opacity: 0.5;
            transform: rotate(0);
            transition: transform 0.2s ease;
            content: "+";
            background: none;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            opacity: 0.8;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after,
        .solution-steps .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            opacity: 1;
        }

        .faq-accordion .accordion-button:not(.collapsed),
        .solution-steps .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
        }

        .faq-accordion .accordion-body,
        .solution-steps .accordion-body {
            padding: 0.2rem 2rem 1.4rem 0;
            background: transparent;
            color: var(--text-muted);
        }

        .solution-number {
            display: inline-block;
            font-size: 0.78rem;
            border: 1px solid var(--primary-line);
            border-radius: var(--radius-pill);
            color: var(--primary);
            padding: 1px 9px;
            margin-right: 10px;
            vertical-align: 2px;
        }

        .solution-intro {
            position: sticky;
            top: 100px;
        }

        @media (max-width: 991px) {
            .solution-intro {
                position: static;
                margin-bottom: 20px;
            }
        }

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

        .news-feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.22s ease, transform 0.22s ease;
        }

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

        .news-feature-media {
            display: block;
            position: relative;
            height: 240px;
            overflow: hidden;
        }

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

        .news-feature-card:hover .news-feature-media img {
            transform: scale(1.02);
        }

        .news-feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 58%, rgba(16, 42, 35, 0.14));
        }

        .news-cat-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.94);
            color: var(--primary);
            font-size: 0.77rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 4px 13px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(4px);
        }

        .news-feature-body {
            padding: 1.4rem 1.5rem 1.6rem;
        }

        .news-feature-body h3 {
            font-size: 1.22rem;
            font-weight: 700;
            line-height: 1.55;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

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

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

        .news-feature-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.82rem;
            border-top: 1px solid var(--border);
            padding-top: 13px;
        }

        .news-meta .read-link {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.84rem;
        }

        .news-meta .read-link:hover {
            color: var(--accent-dark);
        }

        .news-meta .read-link svg {
            width: 14px;
            height: 14px;
            transition: transform 0.18s ease;
        }

        .news-meta .read-link:hover svg {
            transform: translateX(3px);
        }

        .news-list-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
            height: 100%;
        }

        .news-list-card {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 14px;
            transition: box-shadow 0.18s ease, transform 0.18s ease;
        }

        .news-list-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-list-thumb {
            width: 112px;
            height: 94px;
            border-radius: 11px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }

        .news-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-list-body {
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .news-list-cat {
            font-size: 0.72rem;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .news-list-body h4 {
            font-size: 0.98rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--primary-dark);
            margin: 0;
        }

        .news-list-body h4 a {
            color: inherit;
        }

        .news-list-body h4 a:hover {
            color: var(--primary);
        }

        .news-list-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .news-list-body time {
            font-size: 0.76rem;
            color: var(--text-muted);
            opacity: 0.85;
            margin-top: auto;
            display: block;
        }

        @media (max-width: 767px) {
            .news-list-thumb {
                width: 92px;
                height: 84px;
            }
            .news-list-body p {
                display: none;
            }
        }

        .news-empty-state {
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px dashed var(--border-strong);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.6);
            padding: 50px 20px;
            gap: 12px;
            text-align: left;
            margin-top: 14px;
        }

        .empty-dot {
            width: 11px;
            height: 11px;
            border: 2px solid var(--primary);
            border-radius: 50%;
            opacity: 0.6;
            box-shadow: 0 0 0 5px rgba(31, 93, 75, 0.08);
            flex-shrink: 0;
        }

        .news-empty-state span {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-section {
            background: #fbfbf7;
        }

        .faq-accordion {
            width: 100%;
            max-width: 760px;
            margin: 24px auto 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 30px;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-accordion .accordion-button {
            font-size: 1rem;
            padding: 1rem 0;
            color: var(--primary-dark);
            font-weight: 600;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
        }

        .faq-accordion .accordion-body {
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.85;
            padding: 0 1.5rem 1.2rem 0;
        }

        @media (max-width: 767px) {
            .faq-accordion {
                padding: 18px 14px;
            }
        }

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

        .cta-panel {
            background: rgba(31, 93, 75, 0.05);
            border: 1px solid var(--primary-line);
            border-radius: 18px;
            padding: clamp(2rem, 5vw, 3.4rem);
        }

        .cta-panel h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        .cta-panel .cta-desc {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 1.6rem;
            max-width: 560px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .cta-buttons .btn {
            min-height: 46px;
        }

        .cta-support-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .cta-support-card .support-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 11px;
            margin-bottom: 12px;
        }

        .cta-support-card .support-icon svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
        }

        .cta-support-card strong {
            display: block;
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .cta-support-card p {
            color: var(--text-muted);
            font-size: 0.86rem;
            margin: 0;
        }

        .site-footer {
            background-color: var(--footer-bg);
            color: rgba(255, 255, 255, 0.82);
        }

        .footer-main {
            padding: clamp(3rem, 6vw, 4.8rem) 0 2.6rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 42px;
        }

        .footer-brand .brand {
            margin-bottom: 12px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 1.18rem;
            font-weight: 800;
        }

        .footer-brand .brand-text strong {
            color: #f0f5f2;
        }

        .footer-description {
            font-size: 0.9rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.62);
            max-width: 340px;
            margin-bottom: 18px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.66);
            font-size: 0.89rem;
            transition: color 0.18s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 22px 0;
        }

        .footer-bottom .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 767px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom-inner {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none !important;
            }
            .cmd-search span {
                display: none;
            }
            .cmd-search {
                padding: 8px;
            }
            .cmd-search kbd {
                display: none;
            }
        }

        @media (min-width: 992px) {
            .menu-toggle {
                display: none !important;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #1f5d4b;
    --primary-dark: #102a23;
    --primary-soft: rgba(31, 93, 75, .07);
    --primary-line: rgba(31, 93, 75, .18);
    --accent: #c9874a;
    --accent-dark: #a5753f;
    --accent-soft: rgba(201, 135, 74, .08);
    --bg: #f6f6f2;
    --surface: #ffffff;
    --text: #1b2a25;
    --muted: #667470;
    --border: rgba(16, 42, 35, .10);
    --border-dark: rgba(16, 42, 35, .16);
    --line-on-dark: rgba(255, 255, 255, .15);
    --success: #2e7d5e;
    --warning: #c9823a;
    --danger: #b4513c;
    --radius: 8px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --section-space: clamp(4rem, 8vw, 7rem);
    --container-w: 1200px;
    --shadow-sm: 0 2px 8px rgba(16, 42, 35, .05);
    --shadow-lg: 0 12px 28px rgba(16, 42, 35, .09);
    --transition: .18s ease;
    --font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
input, button, textarea { outline: none; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .72rem 1.4rem;
    border-radius: var(--radius);
    font-size: .95rem;
    font-weight: 600;
    border: 1px solid transparent;
    line-height: 1.3;
    transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn:focus-visible,
.btn:active {
    outline: none;
    box-shadow: 0 0 0 3px rgba(31, 93, 75, .18);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 10px rgba(31, 93, 75, .16);
}
.btn-primary:hover { background: #174c3c; border-color: #174c3c; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline-dark {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-dark);
}
.btn-outline-dark:hover { background: rgba(31, 93, 75, .04); color: var(--primary); border-color: var(--primary-line); transform: translateY(-2px); }
.btn-accent {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 4px 10px rgba(201, 135, 74, .15);
}
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.container { max-width: var(--container-w); padding-left: 1.25rem; padding-right: 1.25rem; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    height: 76px;
    background: rgba(246, 246, 242, .92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); letter-spacing: -.01em; }
.brand:hover { color: var(--text); }
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(31, 93, 75, .18);
}
.brand-mark svg { width: 18px; height: 18px; }
.brand-text { font-size: 1.18rem; font-weight: 500; letter-spacing: .01em; }
.brand-text strong { font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 1.15rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: .35rem .25rem;
    margin: 0 .15rem;
    color: var(--text);
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .01em;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -4px;
    width: 4px;
    height: 4px;
    transform: translateX(-50%);
    background: var(--primary);
    border-radius: 50%;
}
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.cmd-search {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    height: 42px;
    padding: 0 .9rem;
    border-radius: 999px;
    border: 1px solid var(--border-dark);
    background: #fff;
    color: var(--muted);
    font-size: .875rem;
    min-width: 220px;
    transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}
.cmd-search:hover { border-color: rgba(31, 93, 75, .4); background: #fff; color: var(--text); box-shadow: var(--shadow-sm); }
.cmd-search svg { width: 17px; height: 17px; flex: none; }
.cmd-search span { flex: 1; text-align: left; }
kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 .3rem;
    border-radius: 5px;
    border: 1px solid var(--border-dark);
    border-bottom-width: 2px;
    background: #f8f8f6;
    color: #7c8884;
    font-size: .72rem;
    font-family: var(--font-family);
}
.btn-cta {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    height: 42px;
    padding: 0 1.2rem;
    border-radius: var(--radius);
    font-size: .925rem;
    font-weight: 700;
    box-shadow: 0 4px 8px rgba(31, 93, 75, .14);
}
.btn-cta:hover { background: #174c3c; border-color: #174c3c; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.menu-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    align-items: center;
    justify-content: center;
}
.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle:focus-visible { box-shadow: 0 0 0 3px rgba(31, 93, 75, .18); }

.mobile-menu { background: #fff; border-left: 1px solid var(--border); }
.mobile-menu .offcanvas-header { padding: 1.2rem 1.25rem .5rem; }
.mobile-menu .offcanvas-body { padding: .75rem 1.25rem 1.5rem; }
.mobile-menu .offcanvas-title .brand-text { font-size: 1rem; }
.mobile-nav {
    list-style: none;
    padding: 0;
    margin: .5rem 0 1rem;
}
.mobile-nav li { border-bottom: 1px solid var(--border); }
.mobile-nav li:first-child { border-top: 1px solid var(--border); }
.mobile-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem .1rem;
    color: var(--text);
    font-size: .98rem;
    font-weight: 500;
}
.mobile-nav a.active { color: var(--primary); font-weight: 700; }
.mobile-nav a span { color: var(--muted); font-size: .9rem; }
.mobile-cta { width: 100%; margin-top: 1.5rem; }

.search-modal .modal-content { border: none; border-radius: 18px; box-shadow: 0 24px 56px rgba(16,42,35,.18); padding: .3rem; }
.search-modal .modal-body { padding: 1.25rem; }
.search-box { display: flex; align-items: center; gap: .7rem; border: 1px solid var(--border-dark); border-radius: 12px; padding: 0 .9rem; background: #fff; }
.search-box svg { width: 20px; height: 20px; color: var(--muted); flex: none; }
.search-box input { border: none; height: 50px; flex: 1; min-width: 0; background: transparent; color: var(--text); font-size: .98rem; }
.search-box input:focus { outline: none; box-shadow: none; }
.search-hints { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.search-hints span { font-size: .85rem; color: var(--muted); }
.search-hint-link {
    font-size: .82rem;
    padding: .25rem .6rem;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    border: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition);
}
.search-hint-link:hover { background: rgba(31, 93, 75, .1); color: var(--primary); border-color: var(--primary-line); }

.cat-hero { background: var(--bg); border-bottom: 1px solid var(--border); overflow: hidden; }
.cat-hero .hero-inner { padding-top: clamp(3.2rem, 7vw, 5.2rem); padding-bottom: clamp(3rem, 6vw, 4.6rem); }
.cat-hero .breadcrumb { display: inline-flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: .84rem; color: var(--muted); margin-bottom: 1.4rem; padding: .4rem .8rem; background: rgba(255,255,255,.8); border: 1px solid var(--border); border-radius: 999px; }
.cat-hero .breadcrumb a { color: var(--muted); border-bottom: 1px solid transparent; }
.cat-hero .breadcrumb a:hover { color: var(--primary); border-color: var(--primary-line); }
.cat-hero .breadcrumb .sep { opacity: .5; margin: 0 .2rem; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    font-size: .82rem;
    letter-spacing: .06em;
    color: var(--accent-dark);
    font-weight: 600;
    margin-bottom: .95rem;
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--accent); margin-right: .75rem; }
.hero-title {
    font-size: clamp(2.1rem, 4vw, 3.05rem);
    line-height: 1.17;
    font-weight: 800;
    letter-spacing: .02em;
    margin: 0 0 1.2rem;
    color: var(--primary-dark);
}
.hero-title strong { color: var(--primary); }
.hero-lead { max-width: 640px; font-size: 1.05rem; line-height: 2; margin: 0 0 1.4rem; color: #42514d; }
.hero-stats { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem .65rem; list-style: none; margin: 0 0 1.9rem; padding: 0; font-size: .9rem; color: var(--muted); }
.hero-stats li { display: inline-flex; align-items: center; gap: .2rem; }
.hero-stats li + li::before { content: "·"; margin-right: .4rem; font-weight: 800; color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.hero-actions .btn { padding: .85rem 1.5rem; font-size: .98rem; }
.hero-media { position: relative; }
.hero-figure {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    background: #fff;
    min-height: 300px;
}
.hero-figure img { width: 100%; height: 380px; object-fit: cover; }
.hero-figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(360deg, rgba(16,42,35,.28), rgba(16,42,35,.02) 45%, rgba(255,255,255,.06)); }
.status-panel {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 2;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.6);
    border-radius: 13px;
    padding: 1rem 1.1rem;
    color: var(--text);
    box-shadow: 0 12px 24px rgba(16,42,35,.12);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.status-icon { width: 44px; height: 44px; border-radius: 11px; background: var(--primary-soft); display: inline-flex; align-items: center; justify-content: center; color: var(--primary); flex: none; }
.status-icon svg { width: 22px; height: 22px; }
.status-panel h2 { font-size: .84rem; letter-spacing: .02em; color: var(--muted); margin: 0 0 .15rem; font-weight: 500; }
.status-panel p { font-size: 1rem; margin: 0; color: var(--text); font-weight: 600; }
.status-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; display: inline-block; margin-right: .4rem; }

.guide-body { background: var(--bg); padding-top: var(--section-space); padding-bottom: var(--section-space); }
.toc-box {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 16px;
    padding: 1.25rem 0;
    box-shadow: var(--shadow-sm);
}
.toc-box .toc-title {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: 0 1.3rem 1rem;
    color: var(--text);
    font-size: 1.02rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: .02em;
}
.toc-box .toc-title svg { width: 18px; height: 18px; color: var(--primary); }
.toc-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border); }
.toc-list a {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    padding: .8rem 1.3rem .8rem 1.9rem;
    color: #42514d;
    font-size: .92rem;
    line-height: 1.4;
    border-left: 2px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.toc-list a:hover { background: var(--primary-soft); color: var(--primary); }
.toc-list a.is-active { color: var(--primary); font-weight: 600; border-left-color: var(--accent); background: rgba(31,93,75,.035); }
.toc-list .toc-index { font-weight: 600; color: var(--accent); font-size: .82rem; min-width: 18px; }
.toc-note { margin-top: 1.4rem; padding: .9rem 1.2rem; background: var(--primary-soft); border-radius: 10px; font-size: .86rem; color: var(--primary-dark); line-height: 1.7; }
.toc-note strong { font-weight: 700; display: block; margin-bottom: .2rem; }

.guide-content { display: flex; flex-direction: column; gap: 1.4rem; }
.guide-panel {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    transition: box-shadow var(--transition), transform var(--transition);
}
.guide-panel:hover { box-shadow: var(--shadow-lg); }
.panel-header { display: flex; gap: 1.2rem; align-items: flex-start; padding-bottom: 1.2rem; margin-bottom: 1.6rem; border-bottom: 1px solid var(--border); }
.panel-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    flex: none;
    border-radius: 13px;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: .02em;
    color: var(--primary);
    background: var(--primary-soft);
    border: 1px solid var(--primary-line);
}
.panel-kicker { display: block; font-size: .84rem; color: var(--accent-dark); font-weight: 600; letter-spacing: .04em; margin: 0 0 .35rem; }
.panel-header h2 { font-size: clamp(1.45rem, 2.4vw, 1.9rem); font-weight: 700; letter-spacing: .01em; color: var(--primary-dark); margin: 0; line-height: 1.3; }
.panel-header p { margin: .4rem 0 0; color: var(--muted); font-size: .95rem; }

.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.2rem; }
.info-item { border: 1px solid var(--border); border-radius: 13px; padding: 1.2rem 1.3rem; background: #fbfcfa; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.info-item:hover { background: #fff; border-color: var(--primary-line); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.info-index { font-weight: 800; color: var(--accent); font-size: .86rem; letter-spacing: .04em; }
.info-item h3 { font-size: 1.01rem; font-weight: 700; margin: .85rem 0 .28rem; color: var(--text); }
.info-item p { font-size: .92rem; line-height: 1.75; color: var(--muted); margin: 0; }
.tip-line {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    padding: .8rem 1rem;
    border-radius: 0 10px 10px 0;
    font-size: .9rem;
    color: #6b4c2c;
    line-height: 1.75;
}
.tip-line svg { width: 18px; height: 18px; flex: none; margin-top: .3rem; color: var(--accent); }

.step-timeline { display: flex; flex-direction: column; margin: .4rem 0 1.4rem; }
.step-row { position: relative; display: grid; grid-template-columns: 62px 1fr auto; gap: 1rem; align-items: center; padding: 1.05rem .2rem; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.step-row:first-child { border-top: 1px solid var(--border); }
.step-row:hover { background: rgba(31,93,75,.035); }
.step-row .step-no { font-weight: 800; color: var(--primary); font-size: .96rem; }
.step-row .step-text h3 { font-size: .98rem; font-weight: 700; margin: 0 0 .22rem; color: var(--text); }
.step-row .step-text p { font-size: .9rem; color: var(--muted); margin: 0; line-height: 1.55; }
.step-row .step-arrow { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border-dark); display: inline-flex; align-items: center; justify-content: center; color: var(--text); transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition); }
.step-row:hover .step-arrow { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateX(4px); }
.step-row .step-arrow svg { width: 16px; height: 16px; }

.media-block { border-radius: 15px; overflow: hidden; border: 1px solid var(--border); position: relative; box-shadow: var(--shadow-sm); }
.media-block img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
.media-caption { position: absolute; left: 14px; right: 14px; bottom: 14px; background: rgba(255,255,255,.93); backdrop-filter: blur(6px); border-radius: 10px; padding: .7rem .9rem; font-size: .88rem; color: var(--text); font-weight: 500; text-align: center; }

.check-list { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .55rem .9rem; }
.check-list li { display: flex; align-items: flex-start; gap: .55rem; font-size: .93rem; line-height: 1.6; color: #3b4b46; }
.check-list li svg { width: 18px; height: 18px; color: var(--success); flex: none; margin-top: .3rem; }

.manage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.manage-item { border: 1px solid var(--border); border-radius: 13px; padding: 1.15rem 1.2rem; background: #fdfdfb; transition: box-shadow var(--transition), transform var(--transition); }
.manage-item:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.manage-item h3 { display: flex; align-items: center; gap: .5rem; font-size: .98rem; font-weight: 700; margin: 0 0 .45rem; color: var(--text); }
.manage-item h3 .ico { display: inline-flex; width: 28px; height: 28px; border-radius: 7px; background: var(--primary-soft); color: var(--primary); align-items: center; justify-content: center; }
.manage-item h3 svg { width: 16px; height: 16px; }
.manage-item p { font-size: .91rem; color: var(--muted); line-height: 1.75; margin: 0; }

.facts-dark {
    background: var(--primary-dark);
    padding: clamp(3rem, 6vw, 5rem) 0;
    color: #fff;
    border-radius: 0;
}
.facts-dark .eyebrow { color: #edcaa4; }
.facts-dark .eyebrow::before { background: #edcaa4; }
.facts-title { font-size: clamp(1.6rem, 2.8vw, 2.3rem); font-weight: 700; color: #fff; margin: 0 0 .8rem; letter-spacing: .01em; }
.facts-subtitle { font-size: 1rem; line-height: 1.9; color: rgba(255,255,255,.75); max-width: 760px; }
.facts-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; margin-top: 2.6rem; }
.fact-item { border-top: 1px solid var(--line-on-dark); padding-top: 1.4rem; }
.fact-item .fact-value { display: block; font-size: 1.05rem; font-weight: 800; color: #fff; letter-spacing: .01em; margin-top: .25rem; }
.fact-item p { margin: 0; color: rgba(255,255,255,.7); font-size: .9rem; line-height: 1.6; }
.fact-item .fact-deco { width: 6px; height: 6px; border-radius: 50%; background: #e4b17c; display: inline-block; margin-bottom: .7rem; }

.faq-section { background: var(--bg); padding: var(--section-space) 0; scroll-margin-top: 80px; }
.faq-inner { max-width: 860px; margin: 0 auto; }
.faq-heading { text-align: center; margin-bottom: 2.4rem; }
.faq-heading .eyebrow { justify-content: center; }
.faq-heading .eyebrow::before { display: none; }
.faq-heading h2 { font-size: clamp(1.7rem, 2.6vw, 2.2rem); font-weight: 700; color: var(--primary-dark); margin: 0 0 .6rem; }
.faq-heading p { color: var(--muted); max-width: 660px; margin: 0 auto; font-size: 1rem; }
.faq-accordion .accordion-item { border: 1px solid var(--border); margin-bottom: .85rem; border-radius: 12px !important; overflow: hidden; background: var(--surface); box-shadow: var(--shadow-sm); transition: box-shadow var(--transition); }
.faq-accordion .accordion-item:hover { box-shadow: var(--shadow-sm); }
.faq-accordion .accordion-button {
    background: #fff;
    color: var(--text);
    font-weight: 700;
    font-size: 1rem;
    padding: 1.1rem 1.25rem;
    border: none;
    box-shadow: none;
    letter-spacing: .01em;
}
.faq-accordion .accordion-button::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231f5d4b'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E"); transition: transform var(--transition); }
.faq-accordion .accordion-button:not(.collapsed) { background: #fff; color: var(--primary); box-shadow: none; }
.faq-accordion .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.faq-accordion .accordion-button:focus-visible { box-shadow: 0 0 0 3px rgba(31,93,75,.15); }
.faq-accordion .accordion-body { padding: .25rem 1.3rem 1.15rem; color: #49635b; line-height: 1.9; }

.cta-band { background: var(--bg); padding-bottom: var(--section-space); }
.cta-panel { border: 1px solid var(--border); border-radius: 20px; background: #fff; padding: clamp(1.8rem, 4vw, 3.2rem); box-shadow: var(--shadow-sm); }
.cta-panel h2 { font-size: clamp(1.7rem, 2.6vw, 2.2rem); font-weight: 700; color: var(--primary-dark); margin: 0 0 .7rem; line-height: 1.3; }
.cta-panel p { color: var(--muted); font-size: 1rem; margin: 0; max-width: 660px; }
.cta-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: .85rem; }
.cta-divider { border: 0; border-top: 1px solid var(--border); margin: 1.6rem 0 1.2rem; }
.cta-lower { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.cta-lower .help-hint { display: flex; gap: .5rem; align-items: center; color: var(--muted); font-size: .92rem; }
.cta-lower .help-hint svg { width: 19px; height: 19px; color: var(--accent); }
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.78); margin-top: 0; padding: 3.5rem 0 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.4rem; padding-bottom: 2.6rem; border-bottom: 1px solid var(--line-on-dark); }
.footer-brand .brand { color: #fff; }
.footer-brand .brand:hover { color: #fff; }
.footer-brand .brand-mark { background: rgba(255,255,255,.12); color: #fff; }
.footer-description { font-size: .93rem; line-height: 1.9; margin: 1.1rem 0 0; max-width: 360px; color: rgba(255,255,255,.62); }
.footer-heading { color: #fff; font-size: .95rem; font-weight: 700; margin: .4rem 0 1rem; letter-spacing: .02em; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .45rem; }
.footer-links a { display: inline-block; color: rgba(255,255,255,.68); font-size: .93rem; transition: color var(--transition), transform var(--transition); }
.footer-links a:hover { color: #fff; transform: translateX(3px); }
.footer-bottom { padding: 1.4rem 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem 1.2rem; }
.footer-bottom-inner span { font-size: .86rem; color: rgba(255,255,255,.5); }

@media (max-width: 1199.98px) {
    .cmd-search { min-width: 170px; }
}
@media (max-width: 991.98px) {
    .nav-links, .btn-cta { display: none; }
    .menu-toggle { display: inline-flex; }
    .btn-cta.d-sm-inline-flex { display: none !important; }
    .hero-media { margin-top: 2.2rem; }
    .toc-box { position: static; }
    .guide-aside { margin-bottom: 1rem; }
    .footer-main { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 767.98px) {
    .hero-title { font-size: 2.2rem; }
    .hero-figure img { height: 270px; }
    .hero-content { order: 1; }
    .hero-media { order: 2; }
    .info-grid { grid-template-columns: 1fr; }
    .check-list { grid-template-columns: 1fr; }
    .manage-grid { grid-template-columns: 1fr; }
    .facts-list { grid-template-columns: 1fr 1fr; }
    .step-row { grid-template-columns: 44px 1fr; }
    .step-row .step-arrow { display: none; }
    .cta-actions { justify-content: flex-start; }
    .cta-actions .btn { min-height: 48px; }
    .btn { min-height: 44px; }
    .hero-actions .btn, .btn-cta { min-height: 48px; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-description { max-width: 100%; }
}
@media (max-width: 520px) {
    .cmd-search { width: 44px; min-width: unset; padding: 0; justify-content: center; }
    .cmd-search span, .cmd-search kbd { display: none; }
    .cmd-search svg { width: 20px; height: 20px; }
    .brand-text { font-size: 1.02rem; }
    .header .container { padding-left: .85rem; padding-right: .85rem; }
    .facts-list { grid-template-columns: 1fr; gap: 1.1rem; }
    .panel-header { flex-direction: column; }
    .panel-num { width: 42px; height: 42px; font-size: 1rem; }
    .guide-panel { padding: 1.2rem; }
    .faq-accordion .accordion-button { font-size: .95rem; padding: .95rem 1rem; }
    .faq-accordion .accordion-body { padding: .1rem 1rem .9rem; font-size: .92rem; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}
@media (min-width: 992px) {
    .guide-aside { position: relative; }
    .toc-box { position: sticky; top: 108px; }
    .btn-cta { display: inline-flex; }
}
@media (hover: hover) {
    .brand-mark svg, .status-icon svg { transition: transform var(--transition); }
    .brand:hover .brand-mark svg { transform: translateY(2px); }
}

/* roulang page: article */
:root {
            --c-primary: #1f5d4b;
            --c-primary-dark: #174637;
            --c-primary-deep: #102a23;
            --c-accent: #c9874a;
            --c-accent-dark: #a5753f;
            --c-bg: #f6f6f2;
            --c-surface: #ffffff;
            --c-footer: #0e2620;
            --c-text: #223a31;
            --c-text-weak: #6c7a74;
            --c-border: rgba(16, 42, 35, .1);
            --c-success: #2e7d5e;
            --c-warning: #c9823a;
            --c-error: #b4513c;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --shadow-card: 0 2px 8px rgba(16, 42, 35, .05);
            --shadow-hover: 0 12px 28px rgba(16, 42, 35, .09);
            --section-space: clamp(4rem, 8vw, 7rem);
            --font-sans: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            background: var(--c-bg);
            color: var(--c-text);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
        }
        a:hover {
            color: var(--c-primary);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1240px;
            padding-left: 1.2rem;
            padding-right: 1.2rem;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 1px solid rgba(31, 93, 75, .16);
            outline-offset: 2px;
            box-shadow: 0 0 0 3px rgba(31, 93, 75, .13);
        }
        @media (hover: hover) {
            a,
            button {
                transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(246, 246, 242, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(16, 42, 35, .06);
            height: 76px;
            display: flex;
            align-items: center;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 1rem;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: .7rem;
            color: var(--c-ink, #102a23);
            flex-shrink: 0;
        }
        .brand:hover {
            color: var(--c-primary);
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: var(--c-primary);
            color: #fff;
        }
        .brand-mark svg {
            width: 20px;
            height: 20px;
        }
        .brand-text {
            font-size: 1.14rem;
            font-weight: 500;
            letter-spacing: .01em;
            color: var(--c-text-color, #15261f);
            white-space: nowrap;
        }
        .brand-text strong {
            font-weight: 800;
        }
        .nav-links {
            list-style: none;
            margin: 0 0 0 1.4rem;
            padding: 0;
            display: none;
            gap: 1.9rem;
            align-items: center;
            flex: 1;
        }
        .nav-links a {
            font-size: .94rem;
            color: #354b42;
            font-weight: 500;
            position: relative;
            padding: 8px 0;
        }
        .nav-links a:hover {
            color: var(--c-primary);
        }
        .nav-links a.active {
            color: var(--c-primary);
            font-weight: 700;
        }
        .nav-links a.active:after {
            content: "";
            display: block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--c-primary);
            margin: 3px auto 0;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: .65rem;
            margin-left: auto;
            flex-shrink: 0;
        }
        .cmd-search {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            height: 42px;
            padding: 0 .9rem;
            border: 1px solid rgba(16, 42, 35, .1);
            border-radius: 999px;
            background: #fff;
            color: #4b6158;
            font-size: .845rem;
            transition: border-color .18s ease, box-shadow .18s ease;
            white-space: nowrap;
        }
        .cmd-search svg {
            width: 16px;
            height: 16px;
        }
        .cmd-search kbd {
            font-family: var(--font-mono);
            font-size: .72rem;
            background: #f1f1ec;
            border: 1px solid rgba(16, 42, 35, .1);
            border-radius: 4px;
            padding: 1px 6px;
            color: #61726a;
        }
        .cmd-search:hover {
            border-color: rgba(31, 93, 75, .4);
            box-shadow: var(--shadow-card);
        }
        .btn-cta,
        .btn-primary-style {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            height: 44px;
            padding: 0 1.3rem;
            border: 1px solid var(--c-primary);
            border-radius: 8px;
            background: var(--c-primary);
            color: #fff;
            font-size: .9rem;
            font-weight: 600;
            transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
        }
        .btn-cta:hover,
        .btn-primary-style:hover {
            background: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(31, 93, 75, .14);
        }
        .btn-outline-style {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            height: 44px;
            padding: 0 1.3rem;
            border: 1px solid rgba(31, 93, 75, .3);
            border-radius: 8px;
            background: transparent;
            color: var(--c-primary);
            font-size: .9rem;
            font-weight: 600;
            transition: background .18s ease, border-color .18s ease, color .18s ease;
        }
        .btn-outline-style:hover {
            background: rgba(31, 93, 75, .06);
            border-color: var(--c-primary);
            color: var(--c-primary);
        }
        .menu-toggle {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(16, 42, 35, .1);
            background: #fff;
            color: var(--c-text);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }
        .menu-toggle:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
        }
        @media (min-width: 992px) {
            .nav-links {
                display: flex;
            }
            .nav-actions {
                margin-left: 0;
            }
        }
        .mobile-menu {
            background: #fff !important;
            width: 320px;
            max-width: 90vw;
            border-left: 0;
        }
        .mobile-menu .btn-close {
            filter: none;
            opacity: .7;
        }
        .mobile-menu-nav {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-menu-nav li+li {
            border-top: 1px solid rgba(16, 42, 35, .07);
        }
        .mobile-menu-nav a {
            display: block;
            padding: .9rem .5rem;
            font-weight: 500;
            color: var(--c-text);
        }
        .mobile-menu-nav a:hover,
        .mobile-menu-nav a.active {
            color: var(--c-primary);
        }
        .mobile-menu-cta {
            display: block;
            margin-top: 1.4rem;
        }
        .mobile-menu-help {
            font-size: .83rem;
            color: var(--c-text-weak);
            margin-top: 1.6rem;
            border-top: 1px solid rgba(16, 42, 35, .07);
            padding-top: 1.2rem;
        }

        .search-panel {
            border-radius: 16px;
            border: 0;
            box-shadow: 0 28px 70px rgba(16, 42, 35, .18);
            overflow: hidden;
        }
        .search-panel .modal-body {
            background: #fff;
        }
        .search-kicker {
            font-family: var(--font-mono);
            font-size: .72rem;
            letter-spacing: .1em;
            text-transform: uppercase;
            color: var(--c-text-weak);
            border-left: 3px solid var(--c-accent);
            padding-left: .6rem;
        }
        .search-field {
            display: flex;
            align-items: center;
            gap: .5rem;
            border: 1px solid rgba(16, 42, 35, .12);
            border-radius: 10px;
            padding: .2rem .45rem .2rem .7rem;
            transition: border-color .18s ease, box-shadow .18s ease;
        }
        .search-field:focus-within {
            border-color: rgba(31, 93, 75, .5);
            box-shadow: 0 0 0 3px rgba(31, 93, 75, .08);
        }
        .search-field .fa-magnifying-glass {
            color: #88958e;
        }
        .search-field input {
            flex: 1;
            border: 0;
            outline: none;
            height: 42px;
            min-width: 0;
            font-size: .95rem;
            background: transparent;
            color: var(--c-text);
        }
        .search-submit {
            height: 36px;
            padding: 0 1.1rem;
            border-radius: 8px;
            border: 0;
            background: var(--c-primary);
            color: #fff;
            font-size: .84rem;
            font-weight: 600;
        }
        .search-submit:hover {
            background: var(--c-primary-dark);
        }
        .search-quick-label {
            font-size: .78rem;
            color: var(--c-text-weak);
            margin-right: .5rem;
            letter-spacing: .04em;
        }
        .quick-chip {
            display: inline-flex;
            align-items: center;
            border: 1px solid rgba(16, 42, 35, .1);
            border-radius: 999px;
            padding: .25rem .8rem;
            font-size: .78rem;
            color: #4c6259;
            margin: .15rem .2rem .15rem 0;
            background: #fafaf7;
        }
        .quick-chip:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(31, 93, 75, .05);
        }
        .search-result-title {
            font-weight: 700;
            color: var(--c-text);
            font-size: .95rem;
        }
        .search-result-desc {
            font-size: .82rem;
            color: var(--c-text-weak);
            margin-top: .2rem;
        }
        .search-empty {
            background: #faf8f3;
            border: 1px solid rgba(201, 135, 74, .2);
            border-radius: 10px;
            padding: .8rem 1rem;
            font-size: .85rem;
            color: #846546;
        }

        .breadcrumb-zone {
            padding: 1.15rem 0;
            border-bottom: 1px solid rgba(16, 42, 35, .06);
            background: #fbfbf8;
        }
        .breadcrumb-zone .breadcrumb {
            margin: 0;
            font-size: .82rem;
            letter-spacing: .02em;
        }
        .breadcrumb-zone .breadcrumb-item a {
            color: var(--c-text-weak);
        }
        .breadcrumb-zone .breadcrumb-item a:hover {
            color: var(--c-primary);
        }
        .breadcrumb-zone .breadcrumb-item.active {
            color: var(--c-text);
            max-width: 560px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .breadcrumb-item+.breadcrumb-item::before {
            opacity: .5;
        }

        .article-main {
            padding: clamp(2rem, 5vw, 4.2rem) 0 3.5rem;
        }
        .article-card {
            background: #fff;
            border: 1px solid rgba(16, 42, 35, .08);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: clamp(1.6rem, 4.2vw, 3.2rem);
            max-width: 920px;
            margin: 0 auto;
        }
        .article-head {
            max-width: 780px;
            margin: 0 auto 2rem;
        }
        .article-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .74rem;
            letter-spacing: .08em;
            color: var(--c-primary);
            background: rgba(31, 93, 75, .06);
            padding: .35rem 1rem .35rem .7rem;
            border-radius: 999px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .article-eyebrow:before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }
        .article-title {
            font-size: clamp(1.7rem, 4vw, 2.55rem);
            line-height: 1.3;
            font-weight: 800;
            color: var(--c-ink, #102a23);
            letter-spacing: .01em;
            margin: 1.05rem 0 .9rem;
            word-break: break-word;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .45rem;
            font-size: .82rem;
            color: var(--c-text-weak);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
        }
        .meta-item+.meta-item {
            margin-left: .2rem;
        }
        .meta-dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: rgba(16, 42, 35, .32);
            display: inline-block;
            margin: 0 .35rem;
        }
        .article-cat-pill {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            border: 1px solid rgba(31, 93, 75, .18);
            background: rgba(31, 93, 75, .05);
            color: var(--c-primary);
            font-size: .76rem;
            font-weight: 600;
            padding: .15rem .75rem;
        }
        .article-divider {
            border: 0;
            border-top: 1px solid rgba(16, 42, 35, .08);
            margin: 1.8rem 0;
            max-width: 780px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-body {
            max-width: 780px;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.95;
            color: #293d35;
            overflow-wrap: break-word;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #102a23;
            line-height: 1.36;
            border-left: 2px solid var(--c-primary);
            padding-left: .7rem;
            margin: 2.3rem 0 1.05rem;
        }
        .article-body h3 {
            font-size: 1.22rem;
            font-weight: 700;
            color: #102a23;
            margin: 1.85rem 0 .8rem;
        }
        .article-body h4 {
            font-size: 1.04rem;
            font-weight: 700;
            margin: 1.4rem 0 .6rem;
            color: #102a23;
        }
        .article-body p {
            margin: 0 0 1.4em;
        }
        .article-body p:last-child {
            margin-bottom: 0;
        }
        .article-body a {
            color: var(--c-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--c-accent-dark);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 1.45rem 1.25rem;
            padding-left: .25rem;
        }
        .article-body li {
            margin-bottom: .42rem;
        }
        .article-body blockquote {
            margin: 1.8rem 0;
            border-left: 2px solid var(--c-accent);
            background: rgba(201, 135, 74, .06);
            padding: 1.1rem 1.45rem;
            border-radius: 0 10px 10px 0;
            color: #4d4a40;
        }
        .article-body blockquote p {
            margin-bottom: .5rem;
        }
        .article-body img {
            border-radius: 12px;
            border: 1px solid rgba(16, 42, 35, .08);
            margin: 1.4rem auto;
            display: block;
            height: auto;
        }
        .article-body figure {
            margin: 1.6rem 0;
        }
        .article-body figcaption {
            font-size: .78rem;
            color: var(--c-text-weak);
            text-align: center;
            margin-top: .5rem;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: .97rem;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            display: block;
            overflow-x: auto;
        }
        .article-body th,
        .article-body td {
            border: 1px solid rgba(16, 42, 35, .08);
            padding: .62rem .8rem;
            text-align: left;
        }
        .article-body th {
            background: rgba(31, 93, 75, .08);
            font-weight: 700;
            color: var(--c-primary-deep);
        }
        .article-body pre {
            background: #0f1d18;
            padding: 1.2rem 1.4rem;
            border-radius: 10px;
            overflow-x: auto;
            color: #dbeee4;
            font-size: .88rem;
            line-height: 1.7;
        }
        .article-body code {
            font-family: var(--font-mono);
        }
        .article-body pre code {
            background: transparent;
        }
        .article-tags {
            max-width: 780px;
            margin: 2.2rem auto 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .6rem;
            padding-top: 1.4rem;
            border-top: 1px solid rgba(16, 42, 35, .08);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            border-radius: 999px;
            border: 1px solid rgba(16, 42, 35, .1);
            background: #fafaf7;
            padding: .32rem .9rem;
            font-size: .78rem;
            color: #445f54;
        }
        .tag-chip:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
        }
        .tag-chip i {
            font-size: .68rem;
            color: var(--c-accent);
        }

        .empty-state {
            max-width: 560px;
            margin: 2rem auto;
            text-align: center;
            padding: 3.4rem 2rem;
            border: 1px dashed rgba(31, 93, 75, .25);
            border-radius: var(--radius-card);
            background: #fafbf8;
        }
        .empty-state-icon {
            width: 74px;
            height: 74px;
            margin: 0 auto 1.2rem;
            border-radius: 50%;
            background: rgba(31, 93, 75, .06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.55rem;
            color: var(--c-primary);
        }
        .empty-state h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #102a23;
            margin-bottom: .5rem;
        }
        .empty-state p {
            color: var(--c-text-weak);
            font-size: .92rem;
            margin-bottom: 1.6rem;
        }

        .post-nav-wrap {
            max-width: 920px;
            margin: 1.6rem auto 0;
        }
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            border: 0;
        }
        .post-nav-link {
            display: flex;
            flex-direction: column;
            gap: .3rem;
            background: #fff;
            border: 1px solid rgba(16, 42, 35, .08);
            border-radius: 12px;
            padding: 1.15rem 1.3rem;
            min-height: 92px;
            transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
        }
        .post-nav-link:hover {
            border-color: rgba(31, 93, 75, .25);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .post-nav-label {
            font-size: .74rem;
            letter-spacing: .1em;
            color: var(--c-text-weak);
            text-transform: uppercase;
        }
        .post-nav-title {
            font-size: .98rem;
            font-weight: 700;
            color: var(--c-ink, #102a23);
            line-height: 1.5;
        }
        .post-nav-next {
            text-align: right;
        }
        .post-nav-link i {
            font-size: .82rem;
            color: var(--c-accent);
        }

        .related-section {
            padding: clamp(4rem, 8vw, 7rem) 0 2.5rem;
        }
        .section-head {
            margin-bottom: 2rem;
        }
        .eyebrow {
            display: flex;
            align-items: center;
            gap: .8rem;
            font-size: .79rem;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--c-accent-dark);
            font-weight: 700;
            margin-bottom: .65rem;
        }
        .eyebrow:before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: clamp(1.7rem, 2.6vw, 2.1rem);
            font-weight: 800;
            color: var(--c-primary-deep);
            margin: 0;
            line-height: 1.25;
        }
        .section-head .section-sub {
            color: var(--c-text-weak);
            font-size: .95rem;
            margin-top: .5rem;
            max-width: 560px;
        }
        .related-card {
            display: block;
            background: #fff;
            border: 1px solid rgba(16, 42, 35, .08);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(31, 93, 75, .16);
        }
        .related-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid rgba(16, 42, 35, .06);
        }
        .related-body {
            padding: 1.15rem 1.2rem 1.3rem;
        }
        .related-body .small-label {
            font-size: .72rem;
            letter-spacing: .05em;
            color: var(--c-accent-dark);
            font-weight: 700;
            text-transform: uppercase;
            display: block;
            margin-bottom: .4rem;
        }
        .related-body h3 {
            font-size: 1.09rem;
            font-weight: 700;
            color: #102a23;
            line-height: 1.5;
            margin: 0 0 .5rem;
        }
        .related-body p {
            font-size: .88rem;
            color: var(--c-text-weak);
            line-height: 1.7;
            margin: 0;
        }
        .related-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: .85rem;
        }
        .related-foot .time {
            font-size: .76rem;
            color: #9aa5a0;
        }
        .related-foot .more-link {
            font-size: .8rem;
            color: var(--c-primary);
            font-weight: 600;
        }

        .faq-section {
            padding: var(--section-space) 0 calc(var(--section-space) * .72);
        }
        .faq-inner {
            max-width: 840px;
            margin: 0 auto;
        }
        .form-head {
            text-align: center;
            margin-bottom: 2.2rem;
        }
        .form-head .eyebrow {
            justify-content: center;
        }
        .form-head .eyebrow:after {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }
        .form-head h2 {
            font-size: clamp(1.7rem, 2.6vw, 2.1rem);
            font-weight: 800;
            color: var(--c-primary-deep);
        }
        .faq-accordion .accordion-item {
            border: 1px solid rgba(16, 42, 35, .08);
            border-radius: 12px;
            margin-bottom: .9rem;
            overflow: hidden;
            box-shadow: 0 1px 2px rgba(16, 42, 35, .02);
            background: #fff;
        }
        .faq-accordion .accordion-button {
            background: #fff;
            box-shadow: none;
            padding: 1.15rem 1.35rem;
            font-size: .98rem;
            font-weight: 700;
            color: #102a23;
            cursor: pointer;
            line-height: 1.6;
            gap: .6rem;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fdfcf8;
            color: var(--c-primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(31, 93, 75, .2);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            opacity: .5;
            filter: none;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            opacity: .85;
            filter: none;
        }
        .faq-accordion .accordion-body {
            padding: .2rem 1.35rem 1.3rem;
            font-size: .94rem;
            line-height: 1.9;
            color: #40564c;
        }
        .faq-accordion .accordion-body p:last-child {
            margin-bottom: 0;
        }

        .cta-zone {
            padding: var(--section-space) 0;
        }
        .cta-card-inner {
            background: #fff;
            border: 1px solid rgba(31, 93, 75, .08);
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            padding: clamp(1.8rem, 5vw, 3.6rem);
            background-image: linear-gradient(rgba(246, 252, 249, .9), rgba(255, 255, 255, .96)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 260px;
            gap: 2.2rem;
            align-items: center;
        }
        .cta-copy h2 {
            font-size: clamp(1.55rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: #102a23;
            line-height: 1.35;
            margin-bottom: .7rem;
        }
        .cta-copy p {
            font-size: .98rem;
            color: #4e6459;
            margin: 0 0 1.4rem;
            max-width: 620px;
            line-height: 1.85;
        }
        .cta-buttons {
            display: flex;
            gap: .75rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .cta-contact {
            border-left: 1px solid rgba(31, 93, 75, .1);
            padding-left: 2.2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: .6rem;
        }
        .cta-contact-icon {
            width: 68px;
            height: 68px;
            border-radius: 18px;
            background: rgba(31, 93, 75, .06);
            border: 1px solid rgba(31, 93, 75, .12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--c-primary);
        }
        .cta-contact strong {
            font-size: .98rem;
            color: #102a23;
        }
        .cta-contact span {
            font-size: .8rem;
            color: var(--c-text-weak);
            line-height: 1.7;
            max-width: 200px;
        }

        .site-footer {
            background: var(--c-footer);
            color: rgba(255, 255, 255, .8);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1.3fr;
            gap: clamp(2rem, 5vw, 5rem);
            padding: 4.2rem 0 3rem;
        }
        .footer-brand .brand {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-description {
            font-size: .9rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, .58);
            margin: 1rem 0 0;
            max-width: 360px;
        }
        .footer-heading {
            font-size: .92rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.1rem;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: .65rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
        }
        .footer-links a:hover {
            color: var(--c-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 1.4rem 0;
        }
        .footer-bottom-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: .5rem;
            font-size: .8rem;
            letter-spacing: .04em;
            color: rgba(255, 255, 255, .4);
        }

        @media (max-width: 1199.98px) {
            .cta-card-inner {
                grid-template-columns: 1fr 220px;
            }
        }
        @media (max-width: 991.98px) {
            .nav-links {
                display: none;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 2.5rem;
            }
            .cta-card-inner {
                grid-template-columns: 1fr;
            }
            .cta-contact {
                border-left: 0;
                padding-left: 0;
                align-items: flex-start;
                text-align: left;
                border-top: 1px solid rgba(31, 93, 75, .08);
                padding-top: 1.5rem;
                flex-direction: row;
                gap: 1rem;
            }
        }
        @media (max-width: 767.98px) {
            .cmd-search span {
                display: none;
            }
            .cmd-search {
                width: 42px;
                padding: 0;
                justify-content: center;
            }
            .cmd-search kbd {
                display: none;
            }
            .btn-cta {
                height: 44px;
                padding: 0 1rem;
                font-size: .85rem;
            }
            .article-main {
                padding-top: 1.5rem;
            }
            .article-card {
                padding: 1.2rem 1.1rem 1.5rem;
                border-radius: 12px;
            }
            .post-nav {
                grid-template-columns: 1fr;
            }
            .post-nav-next {
                text-align: left;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 3rem 0 2rem;
            }
            .brand-text {
                font-size: 1rem;
            }
            .section-head h2 {
                font-size: 1.55rem;
            }
            .article-body table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
        }
        @media (max-width: 575.98px) {
            .cta-buttons .btn {
                width: 100%;
            }
            .article-meta {
                gap: .2rem;
                font-size: .74rem;
            }
            .meta-dot {
                margin: 0 .2rem;
            }
            .nav-inner {
                gap: .4rem;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
            }
            .related-img {
                height: 160px;
            }
            .search-field {
                flex-wrap: wrap;
            }
            .search-field input {
                min-width: 100%;
            }
            .search-submit {
                width: 100%;
                height: 42px;
            }
        }

/* roulang page: category2 */
:root {
            --clr-primary: #1f5d4b;
            --clr-primary-dark: #102a23;
            --clr-accent: #c9874a;
            --clr-accent-dark: #a5753f;
            --bg-page: #f6f6f2;
            --surface: #ffffff;
            --text: #1d2b27;
            --text-soft: #5f6d67;
            --line: rgba(16, 42, 35, .11);
            --line-strong: rgba(16, 42, 35, .18);
            --border-light: rgba(255, 255, 255, .14);
            --section-space: clamp(4rem, 8vw, 7rem);
            --radius-card: 14px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 8px rgba(16, 42, 35, .05);
            --shadow-float: 0 14px 34px rgba(16, 42, 35, .09);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg-page);
            color: var(--text);
            font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            font-size: 15px;
            line-height: 1.9;
            -webkit-font-smoothing: antialiased;
            padding-top: 76px;
        }

        h1, h2, h3, h4, h5, p, ul, ol, figure {
            margin: 0;
        }

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

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color .18s ease;
        }

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

        img {
            max-width: 100%;
        }

        button, input {
            font-family: inherit;
        }

        .container {
            max-width: 1220px;
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: .02em;
            transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
        }

        .btn-cta {
            background: var(--clr-primary-dark);
            border: 1px solid var(--clr-primary-dark);
            color: #fff;
            padding: .72rem 1.35rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(16, 42, 35, .12);
        }

        .btn-cta:hover {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(16, 42, 35, .15);
        }

        .btn-outline {
            border: 1px solid var(--line-strong);
            background: transparent;
            color: var(--text);
            padding: .72rem 1.35rem;
        }

        .btn-outline:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(31, 93, 75, .04);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: 0 0 0 1px var(--clr-primary), 0 0 0 5px rgba(31, 93, 75, .14);
        }

        .section-label {
            display: flex;
            align-items: center;
            gap: .7rem;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: var(--clr-primary);
            margin-bottom: 1.25rem;
        }

        .section-label::before {
            content: "";
            display: inline-block;
            width: 22px;
            height: 1px;
            background: var(--clr-accent);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(246, 246, 242, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: 76px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.2rem;
            height: 76px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: .68rem;
            color: var(--text);
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--clr-primary-dark);
            color: #fff;
            border-radius: 10px;
        }

        .brand-mark svg {
            width: 21px;
            height: 21px;
        }

        .brand-text {
            font-size: 1.05rem;
            color: var(--text);
            font-weight: 500;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .brand-text strong {
            font-weight: 800;
            color: var(--clr-primary-dark);
        }

        .nav-links {
            list-style: none;
            display: none;
            align-items: center;
            gap: .35rem;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: .6rem 1rem;
            font-size: .93rem;
            font-weight: 500;
            color: var(--text-soft);
            border-radius: 6px;
            line-height: 1.2;
        }

        .nav-links a:hover {
            background: rgba(31, 93, 75, .05);
            color: var(--clr-primary);
        }

        .nav-links a.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--clr-accent);
            margin-top: 3px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: .55rem;
        }

        .cmd-search {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            border: 1px solid var(--line-strong);
            background: rgba(255, 255, 255, .62);
            border-radius: 10px;
            min-height: 40px;
            padding: .35rem .7rem;
            color: var(--text-soft);
            font-size: .86rem;
            width: 210px;
        }

        .cmd-search svg,
        .menu-toggle svg {
            width: 18px;
            height: 18px;
        }

        .cmd-search span {
            flex: 1;
            text-align: left;
            color: #8a948f;
        }

        .cmd-search kbd {
            background: #eceee9;
            border: 1px solid rgba(16, 42, 35, .1);
            border-radius: 5px;
            font-size: .72rem;
            color: var(--text-soft);
            padding: .1rem .34rem;
            font-family: inherit;
        }

        .cmd-search:hover {
            border-color: rgba(31, 93, 75, .4);
            color: var(--clr-primary);
            background: #fff;
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line-strong);
            background: #fff;
            border-radius: 10px;
            color: var(--text);
        }

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

        .mobile-panel {
            background: #ffffff;
        }

        .mobile-panel .brand-text {
            font-size: 1.1rem;
        }

        .mobile-panel .brand-text strong {
            color: var(--clr-primary);
        }

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

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

        .mobile-nav-links a {
            display: block;
            padding: 1rem .25rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
        }

        .mobile-nav-links a:hover {
            color: var(--clr-primary);
        }

        .mobile-nav-links a.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .hero-security {
            background: var(--clr-primary-dark);
            background-image: linear-gradient(115deg, rgba(15, 38, 31, .97) 18%, rgba(16, 42, 35, .85) 55%, rgba(17, 53, 44, .82)), url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: clamp(4.4rem, 8vw, 6.8rem) 0 5rem;
            position: relative;
            overflow: hidden;
        }

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

        .hero-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .55rem;
            font-size: .84rem;
            color: rgba(255, 255, 255, .58);
            margin-bottom: 1.8rem;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .66);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb .bc-line {
            display: inline-block;
            width: 16px;
            height: 1px;
            background: rgba(255, 255, 255, .25);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
            gap: 3.6rem;
            align-items: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: .7rem;
            font-size: .86rem;
            letter-spacing: .12em;
            font-weight: 600;
            color: #d6a66d;
            margin-bottom: 1.2rem;
        }

        .hero-eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--clr-accent);
        }

        .hero-security h1 {
            color: #fff;
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: .02em;
            margin-bottom: 1.2rem;
            max-width: 620px;
        }

        .hero-security .hero-lead {
            color: rgba(255, 255, 255, .78);
            font-size: 1.06rem;
            max-width: 590px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .hero-feature-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 1.8rem;
            padding: 0;
            margin: 0 0 1.6rem;
        }

        .hero-feature-list li {
            display: flex;
            align-items: center;
            gap: .5rem;
            color: rgba(255, 255, 255, .9);
            font-size: .9rem;
        }

        .hero-feature-list li i {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--clr-accent);
        }

        .access-card {
            background: #fff;
            color: var(--text);
            border-radius: 18px;
            padding: 1.6rem 1.6rem 1.4rem;
            box-shadow: 0 24px 70px rgba(0, 0, 0, .24);
            border: 1px solid rgba(255, 255, 255, .4);
        }

        .access-card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: .8rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--line);
        }

        .access-card-title {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--text);
        }

        .access-status {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            font-size: .76rem;
            font-weight: 700;
            color: var(--clr-primary);
            background: rgba(31, 93, 75, .08);
            border-radius: 50rem;
            padding: .22rem .62rem;
        }

        .access-status i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #2e7d5e;
        }

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

        .session-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: .9rem;
            border-bottom: 1px dashed var(--line);
            padding: .85rem 0;
            margin: 0;
        }

        .session-list li:last-child {
            border-bottom: 0;
        }

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

        .session-list .session-value {
            color: var(--text);
            font-weight: 600;
            text-align: right;
        }

        .access-card .btn {
            width: 100%;
            margin-top: .7rem;
        }

        .quick-caps {
            position: relative;
            z-index: 5;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: .35rem;
            margin: -2.2rem auto 0;
            padding: .72rem;
        }

        .quick-caps li {
            flex: 1 0 auto;
        }

        .quick-caps a {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: .4rem;
            padding: .45rem .85rem;
            font-size: .9rem;
            font-weight: 600;
            color: var(--text-soft);
            border-radius: 8px;
        }

        .quick-caps a span {
            font-weight: 700;
            color: var(--clr-accent);
            font-size: .85rem;
        }

        .quick-caps a:hover {
            background: rgba(31, 93, 75, .06);
            color: var(--clr-primary);
        }

        .security-main {
            padding: var(--section-space) 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: 240px minmax(0, 1fr);
            gap: clamp(2rem, 5vw, 5rem);
            align-items: start;
        }

        .side-guide {
            position: sticky;
            top: 104px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 1.5rem 1.4rem;
            box-shadow: var(--shadow-card);
        }

        .side-guide .guide-title {
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--text-soft);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: .6rem;
        }

        .side-guide .guide-title::before {
            content: "";
            width: 14px;
            height: 1px;
            background: var(--clr-accent);
        }

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

        .side-list li {
            border-bottom: 1px solid var(--line);
        }

        .side-list li:last-child {
            border: 0;
        }

        .side-list a {
            display: flex;
            align-items: center;
            gap: .75rem;
            padding: .72rem .1rem;
            font-size: .93rem;
            font-weight: 500;
            color: var(--text-soft);
        }

        .side-list a span {
            font-size: .76rem;
            color: var(--clr-accent-dark);
            font-weight: 700;
        }

        .side-list a:hover,
        .side-list a.is-active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .guide-note {
            margin-top: 1.1rem;
            padding: .95rem 1rem;
            background: rgba(31, 93, 75, .04);
            border-radius: 10px;
            font-size: .84rem;
            color: var(--text-soft);
            border: 1px solid rgba(31, 93, 75, .08);
        }

        .guide-note strong {
            display: block;
            color: var(--text);
            font-size: .9rem;
            margin-bottom: .15rem;
        }

        .doc-stack {
            min-width: 0;
        }

        .doc-block {
            display: grid;
            grid-template-columns: 118px minmax(0, 1fr);
            column-gap: 1.8rem;
            border-bottom: 1px solid var(--line);
            padding-bottom: 3.8rem;
            margin-bottom: 3.8rem;
        }

        .doc-block:last-child {
            border-bottom: 0;
            padding-bottom: 0;
            margin-bottom: 0;
        }

        .doc-index {
            position: relative;
        }

        .doc-index .doc-num {
            font-size: clamp(2.9rem, 4vw, 3.6rem);
            font-weight: 800;
            line-height: 1;
            color: rgba(31, 93, 75, .15);
        }

        .doc-index .doc-line {
            display: block;
            width: 30px;
            height: 3px;
            background: var(--clr-accent);
            border-radius: 4px;
            margin: .9rem 0 .3rem;
        }

        .doc-index .doc-tag {
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .1em;
            color: var(--clr-accent-dark);
            writing-mode: vertical-rl;
            text-orientation: mixed;
            position: absolute;
            right: 0;
            top: .2rem;
            opacity: .75;
        }

        .doc-content h2 {
            font-size: clamp(1.5rem, 2.3vw, 2rem);
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: .02em;
        }

        .doc-content .doc-intro {
            font-size: 1.03rem;
            color: var(--text);
            margin-bottom: 1.6rem;
            max-width: 760px;
        }

        .check-list {
            list-style: none;
            margin: 0;
            padding: 0;
            max-width: 780px;
        }

        .check-list li {
            position: relative;
            padding: .8rem 0 .8rem 2.1rem;
            border-bottom: 1px dashed var(--line);
            color: var(--text);
            font-size: .95rem;
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: .8rem;
            color: var(--clr-primary);
            font-weight: 800;
            font-size: .9rem;
            border: 1px solid rgba(31, 93, 75, .25);
            border-radius: 50%;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .check-list strong {
            font-weight: 700;
            color: var(--text);
            margin-right: .4rem;
        }

        .requirement-list {
            list-style: none;
            margin: 1.6rem 0 0;
            padding: 0;
            border-top: 1px solid var(--line);
        }

        .requirement-list li {
            display: grid;
            grid-template-columns: 3.2rem minmax(0, 1fr);
            gap: 1rem;
            padding: 1.05rem 0 1.1rem;
            border-bottom: 1px solid var(--line);
            align-items: start;
        }

        .requirement-list .req-index {
            font-size: .88rem;
            font-weight: 800;
            color: var(--clr-accent-dark);
            letter-spacing: .06em;
        }

        .requirement-list strong {
            display: block;
            color: var(--text);
            font-size: 1rem;
            margin-bottom: .1rem;
        }

        .requirement-list p {
            color: var(--text-soft);
            font-size: .92rem;
            line-height: 1.7;
        }

        .warning-bar {
            background: rgba(201, 135, 74, .07);
            border: 1px solid rgba(201, 135, 74, .22);
            border-left: 4px solid var(--clr-accent);
            border-radius: 8px;
            padding: 1rem 1.2rem;
            color: var(--text);
            font-size: .93rem;
            max-width: 800px;
            margin-top: 1.8rem;
        }

        .warning-bar strong {
            color: var(--clr-accent-dark);
            font-weight: 700;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
            gap: 2rem;
            align-items: center;
            margin-top: 1.6rem;
        }

        .flow-steps {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .flow-step {
            position: relative;
            padding-left: 58px;
            padding-bottom: 1.8rem;
        }

        .flow-step:last-child {
            padding-bottom: 0;
        }

        .flow-step::before {
            content: "";
            position: absolute;
            left: 17px;
            top: 38px;
            bottom: 6px;
            border-left: 1px dashed rgba(16, 42, 35, .18);
        }

        .flow-step:last-child::before {
            display: none;
        }

        .flow-step .step-dot {
            position: absolute;
            left: 0;
            top: 2px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--clr-primary);
            color: var(--clr-primary);
            font-size: .92rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .flow-step strong {
            display: block;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: .2rem;
        }

        .flow-step p {
            color: var(--text-soft);
            font-size: .93rem;
            line-height: 1.75;
        }

        .flow-visual {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--line);
            background: #fff;
            box-shadow: var(--shadow-card);
        }

        .flow-visual img {
            width: 100%;
            height: 430px;
            object-fit: cover;
            display: block;
            margin: 0;
        }

        .flow-visual figcaption {
            padding: .85rem 1rem;
            font-size: .82rem;
            color: var(--text-soft);
            border-top: 1px solid var(--line);
        }

        .daily-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1rem;
            margin-top: 1.6rem;
        }

        .daily-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 1.1rem 1.2rem;
            font-size: .93rem;
            color: var(--text-soft);
        }

        .daily-item strong {
            display: block;
            color: var(--text);
            font-size: 1rem;
            margin-bottom: .2rem;
        }

        .incident-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1.1rem;
            margin-top: 1.6rem;
        }

        .incident-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 13px;
            padding: 1.2rem 1.3rem;
            box-shadow: var(--shadow-card);
        }

        .incident-card .incident-mark {
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .08em;
            color: var(--clr-accent-dark);
            text-transform: uppercase;
            display: block;
            margin-bottom: .35rem;
        }

        .incident-card h3 {
            font-size: 1.02rem;
            color: var(--text);
            margin-bottom: .3rem;
        }

        .incident-card p {
            font-size: .9rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .faq-section {
            padding: 0 0 var(--section-space);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 2.4rem auto 0;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .faq-wrap .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--line);
            background: transparent;
        }

        .faq-wrap .accordion-item:last-child {
            border-bottom: 0;
        }

        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text);
            font-weight: 700;
            font-size: .98rem;
            padding: 1.15rem 1.4rem;
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            opacity: .55;
            background-size: 1rem;
        }

        .faq-wrap .accordion-button:hover {
            background: rgba(31, 93, 75, .03);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(255, 255, 255, .7);
            color: var(--clr-primary);
            box-shadow: none;
        }

        .faq-wrap .accordion-body {
            padding: 0 1.4rem 1.3rem;
            color: var(--text-soft);
            font-size: .93rem;
            line-height: 1.85;
            background: #fff;
        }

        .cta-wrap {
            padding-bottom: var(--section-space);
        }

        .cta-final {
            position: relative;
            overflow: hidden;
            background: #e6eae2;
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: clamp(2.2rem, 5vw, 4.2rem);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .cta-final::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -70px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(201, 135, 74, .13), transparent 70%);
            pointer-events: none;
        }

        .cta-final-left,
        .cta-final-right {
            position: relative;
            z-index: 1;
        }

        .cta-final-left h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            color: var(--text);
            margin-bottom: .8rem;
        }

        .cta-final-left p {
            color: var(--text-soft);
            max-width: 520px;
            font-size: 1rem;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .8rem;
            margin-top: 1.2rem;
        }

        .cta-final-right {
            text-align: center;
            flex-shrink: 0;
        }

        .qr-placeholder {
            width: 118px;
            height: 118px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--line-strong);
            border-radius: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--text-soft);
            font-size: .86rem;
            margin-left: auto;
            gap: .8rem;
        }

        .qr-placeholder svg {
            width: 35px;
            height: 35px;
            opacity: .45;
        }

        .site-footer {
            background: var(--clr-primary-dark);
            color: rgba(255, 255, 255, .72);
            padding: 3.8rem 0 0;
            font-size: .92rem;
        }

        .site-footer .brand {
            margin-bottom: 1rem;
        }

        .site-footer .brand-text {
            color: #fff;
            font-size: 1.08rem;
        }

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

        .footer-main {
            display: grid;
            grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr) minmax(0, .8fr);
            gap: 3rem;
            padding-bottom: 2.6rem;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }

        .footer-description {
            color: rgba(255, 255, 255, .68);
            max-width: 420px;
            line-height: 1.9;
        }

        .footer-heading {
            color: #fff;
            font-size: .88rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            margin-bottom: 1.15rem;
        }

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

        .footer-links li {
            margin: 0 0 .72rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .66);
            font-size: .93rem;
            display: inline-flex;
            align-items: center;
            gap: .4rem;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding: 1.35rem 0;
        }

        .footer-bottom-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: .6rem 1rem;
            color: rgba(255, 255, 255, .52);
            font-size: .88rem;
        }

        .search-modal .modal-content {
            border: 0;
            border-radius: 18px;
            box-shadow: 0 30px 80px rgba(16, 42, 35, .2);
            background: #fff;
        }

        .search-modal .modal-body {
            padding: 1.2rem 1.4rem 1.4rem;
        }

        .search-label {
            font-size: .78rem;
            letter-spacing: .1em;
            text-transform: uppercase;
            color: var(--text-soft);
            margin-bottom: .7rem;
            font-weight: 700;
        }

        .search-input {
            border: 1px solid var(--line-strong);
            border-radius: 10px;
            padding: .85rem 1rem;
            font-size: 1rem;
            background: #f9faf7;
            color: var(--text);
        }

        .search-input:focus {
            background: #fff;
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(31, 93, 75, .1);
        }

        .search-suggestions {
            list-style: none;
            margin: 1.1rem 0 0;
            padding: 0;
            border-top: 1px solid var(--line);
        }

        .search-suggestions li {
            border-bottom: 1px solid var(--line);
        }

        .search-suggestions li:last-child {
            border: 0;
        }

        .search-suggestions a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: .85rem .15rem;
            color: var(--text);
            font-weight: 500;
            font-size: .95rem;
        }

        .search-suggestions a span {
            color: var(--text-soft);
            font-weight: 400;
            font-size: .82rem;
        }

        .search-suggestions a:hover {
            color: var(--clr-primary);
        }

        .search-empty {
            margin-top: 1rem;
            padding: 1.5rem;
            text-align: center;
            color: var(--text-soft);
            border: 1px dashed var(--line-strong);
            border-radius: 10px;
            font-size: .9rem;
        }

        @media (min-width: 992px) {
            .nav-links {
                display: flex;
            }

            .menu-toggle {
                display: none;
            }

            .mobile-menu-offcanvas {
                display: none;
            }
        }

        @media (max-width: 1200px) {
            .cmd-search {
                width: 170px;
            }
        }

        @media (max-width: 991.98px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .hero-security {
                padding-bottom: 4.2rem;
            }

            .access-card {
                max-width: 540px;
            }

            .quick-caps {
                margin-top: -1.6rem;
                overflow-x: auto;
                flex-wrap: nowrap;
                -webkit-overflow-scrolling: touch;
            }

            .quick-caps a {
                white-space: nowrap;
            }

            .cmd-search {
                width: 44px;
                padding: 0;
                justify-content: center;
            }

            .cmd-search span,
            .cmd-search kbd {
                display: none;
            }

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

            .side-guide {
                position: static;
                display: none;
            }

            .doc-block {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .doc-index {
                display: flex;
                align-items: center;
                gap: 1rem;
                margin-bottom: .6rem;
            }

            .doc-index .doc-num {
                font-size: 2rem;
            }

            .doc-index .doc-line {
                margin: 0;
                width: 26px;
            }

            .doc-index .doc-tag {
                position: static;
                writing-mode: horizontal-tb;
                font-size: .76rem;
            }

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

            .cta-final {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-final-right {
                text-align: left;
            }

            .qr-placeholder {
                margin-left: 0;
            }
        }

        @media (max-width: 767.98px) {
            body {
                padding-top: 70px;
            }

            .site-header,
            .nav-inner {
                height: 70px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .daily-grid,
            .incident-grid {
                grid-template-columns: 1fr;
            }

            .hero-feature-list {
                gap: .7rem 1.2rem;
            }

            .hero-security {
                padding-top: 4rem;
            }

            .hero-security h1 {
                font-size: clamp(2rem, 7vw, 2.7rem);
            }

            .hero-security .hero-lead {
                font-size: 1rem;
            }

            .brand-text {
                font-size: 1rem;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
            }

            .quick-caps {
                border-radius: 10px;
                padding: .55rem;
            }

            .quick-caps a {
                padding: .55rem .75rem;
            }

            .cta-final {
                padding: 2rem 1.4rem;
            }

            .cta-actions {
                width: 100%;
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-bottom-inner {
                flex-direction: column;
                gap: .3rem;
            }

            .flow-visual img {
                height: 220px;
            }
        }

        @media (max-width: 575.98px) {
            .nav-actions .btn-cta {
                display: none !important;
            }

            .cmd-search {
                width: 42px;
                height: 42px;
            }

            .menu-toggle {
                width: 42px;
                height: 42px;
            }
        }

        @media (hover: hover) {
            .daily-item:hover,
            .incident-card:hover {
                transform: translateY(-2px);
                box-shadow: var(--shadow-card);
            }

            .quick-caps a:hover {
                transform: translateY(-1px);
            }
        }