/* roulang page: index */
:root {
            --brand-primary: #0FA3A3;
            --brand-secondary: #FF9F45;
            --brand-dark: #0B2E2E;
            --brand-gradient: linear-gradient(135deg, #0FA3A3, #16C79A);
            --accent-gradient: linear-gradient(135deg, #FF9F45, #F26430);
            --surface: #FAFAF7;
            --card-bg: #FFFFFF;
            --ink: #1F2937;
            --muted: #6B7280;
            --border: #E5E7EB;
            --radius: 20px;
            --shadow: 0 10px 30px rgba(11, 46, 46, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 46, 46, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--surface);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all .25s ease;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width:768px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .btn-primary {
            background: var(--brand-gradient);
            color: #fff;
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .3s ease;
            box-shadow: 0 4px 15px rgba(15, 163, 163, 0.3);
            min-height: 44px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(15, 163, 163, 0.4);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.5);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(15, 163, 163, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--brand-primary);
            border: 2px solid var(--brand-primary);
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .3s ease;
            min-height: 44px;
        }

        .btn-secondary:hover {
            background: rgba(15, 163, 163, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.4);
            outline-offset: 2px;
        }

        .btn-accent {
            background: var(--accent-gradient);
            color: #fff;
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .3s ease;
            box-shadow: 0 4px 15px rgba(255, 159, 69, 0.35);
            min-height: 44px;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 159, 69, 0.45);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-accent:focus-visible {
            outline: 3px solid rgba(255, 159, 69, 0.5);
            outline-offset: 2px;
        }

        .header-nav {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 4px;
            position: relative;
            transition: color .25s;
        }

        .header-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-primary);
            transition: width .3s;
            border-radius: 2px;
        }

        .header-nav .nav-link:hover {
            color: var(--brand-primary);
        }

        .header-nav .nav-link:hover::after {
            width: 100%;
        }

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

        .header-nav .nav-link.active::after {
            width: 100%;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            transition: transform .3s;
        }

        .logo-mark:hover {
            transform: rotate(-8deg) scale(1.05);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--surface);
            border: 1px solid var(--border);
            transition: all .3s;
        }

        .mobile-menu-btn:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }

        .mobile-menu-btn.active {
            background: var(--brand-primary);
            color: white;
            border-color: var(--brand-primary);
        }

        .hero-section {
            position: relative;
            padding: 60px 0 40px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            right: -100px;
            top: -100px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(15, 163, 163, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 159, 69, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-ornament {
            position: absolute;
            right: 8%;
            top: 12%;
            width: 120px;
            height: 120px;
            border: 2px dashed rgba(15, 163, 163, 0.25);
            border-radius: 50%;
            animation: spin-slow 30s linear infinite;
        }

        @keyframes spin-slow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        .hero-image-wrap {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(11, 46, 46, 0.15);
            transform: rotate(1.5deg);
            transition: transform .4s ease;
        }

        .hero-image-wrap:hover {
            transform: rotate(0deg) scale(1.01);
        }

        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 163, 163, 0.08), transparent 60%);
            pointer-events: none;
        }

        .trust-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: 999px;
        }

        .trust-badge i {
            color: var(--brand-primary);
        }

        .pain-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all .35s ease;
            box-shadow: 0 4px 12px rgba(11, 46, 46, 0.04);
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 163, 163, 0.3);
        }

        .pain-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 14px;
            background: rgba(15, 163, 163, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 18px;
            transition: background .3s, color .3s;
        }

        .pain-card:hover .pain-icon {
            background: var(--brand-primary);
            color: white;
        }

        .pain-arrow {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            font-size: 14px;
            transition: all .3s;
            margin-left: auto;
        }

        .pain-card:hover .pain-arrow {
            background: var(--brand-primary);
            color: white;
            border-color: var(--brand-primary);
            transform: translateX(3px);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.3;
            position: relative;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 620px;
            line-height: 1.7;
        }

        .section-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(15, 163, 163, 0.08);
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 13px;
            margin-bottom: 10px;
            border: 1px solid rgba(15, 163, 163, 0.2);
        }

        .zigzag-line {
            width: 80px;
            height: 10px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 10' preserveAspectRatio='none'%3E%3Cpath d='M0 5 L8 0 L16 5 L24 0 L32 5 L40 0 L48 5 L56 0 L64 5 L72 0 L80 5' stroke='%23FF9F45' stroke-width='2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-size: contain;
            margin-bottom: 16px;
        }

        .solution-card {
            position: relative;
            background: var(--card-bg);
            border: 2px solid var(--border);
            border-radius: var(--radius);
            padding: 32px;
            transition: all .4s ease;
            box-shadow: 0 6px 20px rgba(11, 46, 46, 0.05);
        }

        .solution-card:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .solution-card .step-num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            opacity: 0.35;
            margin-bottom: 12px;
        }

        .solution-card .solution-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(15, 163, 163, 0.12), rgba(22, 199, 154, 0.08));
            color: var(--brand-primary);
        }

        .solution-card .tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 12px;
            color: var(--muted);
            margin-right: 6px;
        }

        .solution-link {
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .3s;
        }

        .solution-link:hover {
            gap: 10px;
        }

        .dot-connector {
            position: absolute;
            border-top: 2px dashed rgba(15, 163, 163, 0.35);
            height: 2px;
            width: 60px;
        }

        .stat-pill {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 24px 36px;
            border: 2px solid rgba(15, 163, 163, 0.2);
            border-radius: 999px;
            background: linear-gradient(135deg, rgba(15, 163, 163, 0.04), rgba(255, 159, 69, 0.04));
            transition: all .35s ease;
            text-align: center;
        }

        .stat-pill:hover {
            border-color: var(--brand-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }

        .stat-pill .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.2;
        }

        .stat-pill .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 6px;
        }

        .stat-pill .stat-line {
            width: 32px;
            height: 3px;
            background: var(--accent-gradient);
            border-radius: 2px;
            margin: 8px auto 0;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: all .35s ease;
            display: flex;
            flex-direction: row;
            padding: 14px;
            gap: 16px;
            box-shadow: 0 4px 12px rgba(11, 46, 46, 0.04);
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 163, 163, 0.3);
            transform: translateY(-3px);
        }

        .news-thumb {
            width: 140px;
            min-width: 140px;
            height: 100px;
            border-radius: 12px;
            object-fit: cover;
        }

        .news-cat {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(15, 163, 163, 0.08);
            color: var(--brand-primary);
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            transition: color .2s;
        }

        .news-title:hover {
            color: var(--brand-primary);
        }

        .news-summary {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        .news-date {
            font-size: 12px;
            color: var(--muted);
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: all .3s;
        }

        .faq-item:hover {
            border-color: rgba(15, 163, 163, 0.3);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 500;
            font-size: 15px;
            color: var(--ink);
            transition: background .3s;
            min-height: 56px;
        }

        .faq-question:hover {
            background: rgba(15, 163, 163, 0.04);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand-primary);
            transition: transform .35s, background .35s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: white;
            border-color: var(--brand-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
            background: #F9FAFB;
        }

        .faq-answer-inner {
            padding: 4px 24px 22px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .cta-section {
            background: linear-gradient(135deg, #0B2E2E, #0F3D3D);
            position: relative;
            overflow: hidden;
            border-radius: 28px;
            padding: 56px 48px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .cta-section h2 {
            color: white;
            font-size: clamp(26px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.3;
            position: relative;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 520px;
            position: relative;
        }

        .cta-feature {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .cta-feature i {
            color: var(--brand-secondary);
        }

        .privacy-note {
            font-size: 12px;
            color: var(--muted);
            text-align: center;
            padding: 20px 16px;
            background: rgba(0, 0, 0, 0.02);
            border-top: 1px solid var(--border);
            line-height: 1.6;
        }

        .privacy-note a {
            color: var(--brand-primary);
            text-decoration: underline;
        }

        .footer-site {
            background: #0B2E2E;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
        }

        .footer-site h4 {
            color: white;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-site a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.8;
            display: inline-block;
            transition: color .2s, transform .2s;
        }

        .footer-site a:hover {
            color: var(--brand-secondary);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo-text {
            color: white;
            font-weight: 800;
            font-size: 18px;
        }

        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: opacity .35s, visibility .35s;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-box {
            background: white;
            border-radius: 24px;
            max-width: 520px;
            width: 90%;
            padding: 36px;
            transform: translateY(20px) scale(0.96);
            transition: transform .35s ease;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-overlay.active .modal-box {
            transform: translateY(0) scale(1);
        }

        .form-input {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            font-family: inherit;
            transition: border-color .25s, box-shadow .25s;
            background: var(--surface);
            min-height: 46px;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(15, 163, 163, 0.15);
        }

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
            display: block;
        }

        .form-submit {
            width: 100%;
            background: var(--accent-gradient);
            color: white;
            border-radius: 999px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 15px;
            transition: all .3s;
            min-height: 48px;
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 159, 69, 0.4);
        }

        .form-submit:focus-visible {
            outline: 3px solid rgba(255, 159, 69, 0.5);
            outline-offset: 2px;
        }

        .modal-close {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            transition: all .25s;
            position: absolute;
            top: 16px;
            right: 16px;
        }

        .modal-close:hover {
            background: var(--brand-dark);
            color: white;
            border-color: var(--brand-dark);
        }

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

        @media (max-width: 640px) {
            .section-padding {
                padding: 36px 0;
            }
            .stat-pill {
                padding: 18px 20px;
                border-radius: 24px;
                width: 100%;
            }
            .news-card {
                flex-direction: column;
                padding: 12px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-site {
                padding: 36px 0 20px;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: 20px;
            }
            .modal-box {
                padding: 24px;
                width: 94%;
            }
            .solution-card {
                padding: 24px;
            }
            .hero-section {
                padding: 40px 0 24px;
            }
            .header-nav .nav-link {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .container-site {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .logo-text {
                font-size: 15px;
            }
            .btn-primary,
            .btn-accent {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

        @media (min-width: 768px) and (max-width: 1024px) {
            .stat-pill {
                padding: 18px 24px;
            }
            .news-thumb {
                width: 120px;
                min-width: 120px;
                height: 90px;
            }
        }

        .grain-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.03'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 1;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --brand: #0FA3A3;
            --brand-light: #16C79A;
            --accent: #FF9F45;
            --accent-deep: #F26430;
            --deep: #0B2E2E;
            --deep-2: #0F3D3D;
            --surface: #FAFAF7;
            --card: #FFFFFF;
            --ink: #1F2937;
            --muted: #6B7280;
            --line: #E5E7EB;
            --radius-card: 20px;
            --radius-btn: 999px;
            --shadow: 0 10px 30px rgba(11, 46, 46, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 46, 46, 0.14);
            --fs-hero: clamp(32px, 5vw, 52px);
            --fs-section: clamp(24px, 3vw, 32px);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--surface);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
        }

        /* ===== Container ===== */
        .container-site {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(11, 46, 46, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-size: 17px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 4px 14px rgba(15, 163, 163, 0.35);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 8px 2px;
            transition: color .2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
            transition: width .25s ease;
        }
        .nav-link:hover {
            color: var(--brand);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--brand);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            box-shadow: 0 6px 20px rgba(15, 163, 163, 0.28);
            transition: all .25s ease;
            border: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(15, 163, 163, 0.38);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.35);
            outline-offset: 3px;
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            box-shadow: 0 6px 20px rgba(255, 159, 69, 0.3);
        }
        .btn-accent:hover {
            box-shadow: 0 10px 28px rgba(255, 159, 69, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 2px solid var(--brand);
            color: var(--brand);
            background: transparent;
            font-weight: 600;
            font-size: 14px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            transition: all .25s;
        }
        .btn-outline:hover {
            background: rgba(15, 163, 163, 0.06);
            color: var(--brand);
            border-color: var(--brand);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.3);
            outline-offset: 2px;
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 20px;
            color: var(--deep);
            background: transparent;
            transition: background .2s;
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 20px 24px;
            background: #fff;
            border-top: 1px solid rgba(11, 46, 46, 0.06);
            gap: 4px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 12px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: background .2s;
        }
        .mobile-menu a:hover {
            background: rgba(15, 163, 163, 0.06);
        }
        .mobile-menu a.active {
            color: var(--brand);
            background: rgba(15, 163, 163, 0.08);
        }
        .mobile-menu .btn-primary {
            margin-top: 12px;
            justify-content: center;
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 17px;
            }
            .header-cta .btn-primary {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .site-header nav.hidden.md\:flex {
                display: none !important;
            }
        }
        @media (min-width: 641px) and (max-width: 1023px) {
            .site-header nav.hidden.md\:flex {
                display: none !important;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .header-cta .btn-primary {
                display: none;
            }
        }
        @media (min-width: 1024px) {
            .header-cta .btn-primary {
                display: inline-flex;
            }
            .mobile-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #F0F6F6, #FEF5EA);
            padding: 56px 0;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(15, 163, 163, 0.12), transparent 70%);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            right: 180px;
            bottom: -120px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 159, 69, 0.15), transparent 70%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
        }
        .banner-img {
            position: relative;
            z-index: 2;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(11, 46, 46, 0.18);
            transform: rotate(1.5deg);
            transition: transform .4s ease;
        }
        .banner-img:hover {
            transform: rotate(0deg) scale(1.02);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--brand);
            font-weight: 600;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            opacity: .5;
        }

        /* ===== 活动列表 ===== */
        .activity-section {
            padding: 72px 0;
            background: var(--surface);
        }
        .section-title {
            font-size: var(--fs-section);
            font-weight: 800;
            color: var(--deep);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            max-width: 640px;
            margin-top: 10px;
        }
        .activity-group {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 20px;
            box-shadow: var(--shadow);
            padding: 8px 0;
            transition: box-shadow .3s;
        }
        .activity-group:hover {
            box-shadow: var(--shadow-hover);
        }
        .activity-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 24px;
            border-bottom: 1px solid #F0F0F0;
            transition: background .2s ease, padding-left .2s ease;
            position: relative;
        }
        .activity-row:last-child {
            border-bottom: none;
        }
        .activity-row::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            border-radius: 3px;
            background: var(--brand);
            opacity: 0;
            transition: opacity .25s;
        }
        .activity-row:hover {
            background: rgba(15, 163, 163, 0.03);
            padding-left: 30px;
        }
        .activity-row:hover::before {
            opacity: 1;
        }
        .activity-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(15, 163, 163, 0.1);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
        }
        .activity-info {
            flex: 1;
            min-width: 0;
        }
        .activity-name {
            font-weight: 700;
            font-size: 17px;
            color: var(--ink);
            margin-bottom: 2px;
        }
        .activity-desc {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.5;
        }
        .activity-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .status-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
        }
        .status-green {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }
        .status-orange {
            background: rgba(255, 159, 69, 0.15);
            color: #D97706;
        }
        .status-red {
            background: rgba(239, 68, 68, 0.12);
            color: #DC2626;
        }
        .status-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563EB;
        }
        .status-gray {
            background: rgba(107, 114, 128, 0.12);
            color: #4B5563;
        }
        .status-purple {
            background: rgba(139, 92, 246, 0.12);
            color: #7C3AED;
        }
        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 13.5px;
            color: var(--brand);
            white-space: nowrap;
            padding: 6px 4px;
            border-radius: 8px;
            transition: all .2s;
        }
        .btn-link i {
            transition: transform .2s;
        }
        .btn-link:hover {
            color: var(--brand-light);
        }
        .btn-link:hover i {
            transform: translateX(4px);
        }
        .btn-link:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        @media (max-width: 640px) {
            .activity-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 16px 18px;
            }
            .activity-actions {
                width: 100%;
                justify-content: flex-start;
                padding-left: 64px;
            }
            .activity-row:hover {
                padding-left: 18px;
            }
        }

        /* ===== 价值点 ===== */
        .value-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid rgba(11, 46, 46, 0.05);
            border-bottom: 1px solid rgba(11, 46, 46, 0.05);
        }
        .value-row {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 22px 28px;
            border: 1px solid var(--line);
            border-radius: 18px;
            background: var(--card);
            transition: box-shadow .25s, border-color .25s;
        }
        .value-row:hover {
            box-shadow: var(--shadow);
            border-color: rgba(15, 163, 163, 0.3);
        }
        .value-row .value-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(15, 163, 163, 0.12), rgba(255, 159, 69, 0.12));
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .value-row h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--deep);
        }
        .value-row p {
            font-size: 14px;
            color: var(--muted);
            margin-top: 2px;
        }

        /* ===== 时间线 ===== */
        .timeline-section {
            padding: 72px 0;
            background: var(--surface);
        }
        .timeline {
            position: relative;
            padding-left: 36px;
            max-width: 720px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--brand), var(--accent), transparent);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -31px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent);
            border: 3px solid #fff;
            border-radius: 5px;
            transform: rotate(45deg);
            box-shadow: 0 0 0 2px var(--brand);
        }
        .timeline-date {
            font-size: 13px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .timeline-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-top: 4px;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--muted);
            margin-top: 4px;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 70px 0;
            background: #fff;
        }
        .faq-item {
            border: 1px solid var(--line);
            border-radius: 16px;
            background: var(--card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .25s, border-color .25s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(15, 163, 163, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: transparent;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 163, 163, 0.1);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .3s ease, background .3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            background: #F9FAFB;
        }
        .faq-answer-inner {
            padding: 4px 24px 20px;
            font-size: 15px;
            color: #4B5563;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--deep), var(--deep-2));
            padding: 76px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 40px solid rgba(255, 159, 69, 0.12);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-content h2 {
            font-size: var(--fs-section);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-deep));
            color: #fff;
            font-weight: 800;
            font-size: 17px;
            padding: 16px 44px;
            border-radius: var(--radius-btn);
            box-shadow: 0 8px 30px rgba(255, 159, 69, 0.35);
            transition: all .25s ease;
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 159, 69, 0.45);
        }
        .btn-cta:focus-visible {
            outline: 3px solid rgba(255, 159, 69, 0.5);
            outline-offset: 3px;
        }

        /* ===== 页脚 ===== */
        .footer-site {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo .logo-mark {
            width: 38px;
            height: 38px;
            font-size: 15px;
        }
        .footer-logo-text {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
        }
        .footer-site h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-site h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-site a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            padding: 4px 0;
            transition: color .2s, padding-left .2s;
        }
        .footer-site a:hover {
            color: var(--brand-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 44px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 通用装饰 ===== */
        .deco-rect {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 3px;
            transform: rotate(45deg);
            display: inline-block;
        }

/* roulang page: article */
:root {
  --brand-primary: #0FA3A3;
  --brand-primary-light: #16C79A;
  --brand-secondary: #FF9F45;
  --brand-secondary-deep: #F26430;
  --brand-dark: #0B2E2E;
  --brand-dark-light: #0F3D3D;
  --bg-warm: #FAFAF7;
  --ink: #1F2937;
  --ink-soft: #6B7280;
  --border: #E5E7EB;
  --card: #FFFFFF;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px rgba(11, 46, 46, 0.08);
  --shadow-hover: 0 16px 40px rgba(11, 46, 46, 0.14);
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--bg-warm);
  background-image: radial-gradient(rgba(15, 163, 163, 0.045) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(250, 250, 247, 0.86); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.site-header-top { height: 6px; background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary)); }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 16px; }
.site-logo { display: inline-flex; align-items: center; gap: 12px; padding: 6px 0; }
.logo-mark { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light)); border: 2px solid var(--brand-dark); box-shadow: 2px 2px 0 var(--brand-dark); color: #fff; font-size: 18px; transition: transform .2s ease; }
.site-logo:hover .logo-mark { transform: rotate(-8deg) scale(1.04); }
.logo-text { font-size: 18px; font-weight: 800; letter-spacing: 0.02em; color: var(--brand-dark); white-space: nowrap; }
.nav-link { position: relative; padding: 8px 6px; font-size: 15px; font-weight: 500; color: var(--ink); transition: color .2s ease; }
.nav-link::after { content: ''; position: absolute; left: 6px; right: 100%; bottom: 2px; height: 2px; border-radius: 999px; background: var(--brand-primary); transition: right .25s ease; }
.nav-link:hover, .nav-link.active { color: var(--brand-primary); }
.nav-link:hover::after, .nav-link.active::after { right: 6px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; border: 2px solid transparent; font-weight: 600; font-size: 14px; line-height: 1.2; padding: 10px 22px; transition: all .25s ease; }
.btn-primary { background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-light)); border-color: var(--brand-dark); color: #fff; box-shadow: 3px 3px 0 var(--brand-dark); }
.btn-primary:hover { transform: translate(-1px, -2px); box-shadow: 5px 6px 0 var(--brand-dark); }
.btn-primary:active { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--brand-dark); }
.btn-accent { background: linear-gradient(135deg, var(--brand-secondary), var(--brand-secondary-deep)); border-color: var(--brand-dark); color: #fff; box-shadow: 3px 3px 0 var(--brand-dark); }
.btn-accent:hover { transform: translate(-1px, -2px); box-shadow: 5px 6px 0 var(--brand-dark); }
.btn-outline { background: transparent; border-color: var(--brand-dark); color: var(--brand-dark); box-shadow: 2px 2px 0 rgba(11, 46, 46, 0.12); }
.btn-outline:hover { background: rgba(15, 163, 163, 0.06); transform: translateY(-1px); box-shadow: 4px 5px 0 rgba(11, 46, 46, 0.16); }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 14px 34px; font-size: 16px; min-height: 52px; }
.btn:focus-visible { outline: 3px solid rgba(15, 163, 163, 0.35); outline-offset: 2px; }
.header-cta { display: none; }
.mobile-toggle { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 12px; border: 2px solid var(--brand-dark); background: #fff; color: var(--brand-dark); font-size: 18px; box-shadow: 2px 2px 0 rgba(11, 46, 46, 0.1); }
.mobile-menu { display: none; padding: 18px 20px 24px; background: #fff; border-bottom: 2px solid var(--brand-dark); box-shadow: 0 12px 20px rgba(11, 46, 46, 0.06); flex-direction: column; gap: 4px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { display: block; padding: 12px 8px; border-radius: 10px; font-weight: 500; color: var(--ink); }
.mobile-menu a:hover { background: rgba(15, 163, 163, 0.08); color: var(--brand-primary); }

.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--ink-soft); padding: 18px 0 6px; }
.breadcrumb a { color: var(--ink-soft); transition: color .2s; }
.breadcrumb a:hover { color: var(--brand-primary); }
.breadcrumb i { font-size: 11px; color: #b0b8c0; }
.breadcrumb .current { font-weight: 500; color: var(--ink); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.article-card { position: relative; background: var(--card); border: 2px solid var(--brand-dark); border-radius: var(--radius-lg); outline: 1px dashed rgba(15, 163, 163, 0.35); outline-offset: -14px; box-shadow: var(--shadow-card); padding: clamp(24px, 4vw, 44px); margin-bottom: 28px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(15, 163, 163, 0.08); border: 1px solid rgba(15, 163, 163, 0.2); color: var(--brand-dark); font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }
.article-card h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.25; color: var(--brand-dark); margin: 0 0 14px; letter-spacing: -0.01em; }
.article-category-label { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand-secondary-deep); background: rgba(255, 159, 69, 0.12); padding: 4px 14px; border-radius: 999px; margin-bottom: 12px; }

.article-prose { position: relative; z-index: 1; font-size: 17px; line-height: 1.85; color: #333c49; }
.article-prose > *:first-child { margin-top: 0; }
.article-prose h2 { font-size: 24px; font-weight: 800; color: var(--brand-dark); margin: 36px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--brand-primary); }
.article-prose h3 { font-size: 20px; font-weight: 700; color: var(--brand-dark); margin: 28px 0 12px; }
.article-prose h4 { font-size: 17px; font-weight: 700; margin: 22px 0 10px; }
.article-prose p { margin: 14px 0; }
.article-prose a { color: var(--brand-primary); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.article-prose a:hover { color: var(--brand-secondary-deep); }
.article-prose ul, .article-prose ol { margin: 16px 0; padding-left: 26px; }
.article-prose ul { list-style: none; }
.article-prose ul li { position: relative; padding-left: 8px; margin: 8px 0; }
.article-prose ul li::before { content: ''; position: absolute; left: -18px; top: 0.75em; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-primary); }
.article-prose ol { list-style: decimal; }
.article-prose ol li { margin: 8px 0; padding-left: 4px; }
.article-prose blockquote { margin: 24px 0; padding: 18px 22px; background: rgba(15, 163, 163, 0.06); border-left: 4px solid var(--brand-primary); border-radius: 0 12px 12px 0; color: var(--ink-soft); }
.article-prose blockquote p { margin: 6px 0; }
.article-prose img { border-radius: 16px; margin: 24px auto; border: 2px solid var(--border); box-shadow: var(--shadow-card); }
.article-prose table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.article-prose th, .article-prose td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.article-prose th { background: rgba(15, 163, 163, 0.08); font-weight: 700; color: var(--brand-dark); }
.article-prose tr:last-child td { border-bottom: none; }
.article-prose code { background: rgba(15, 163, 163, 0.08); padding: 2px 6px; border-radius: 6px; font-size: 0.9em; }
.article-prose pre { background: var(--brand-dark); color: #e8f5f2; padding: 20px; border-radius: 14px; overflow-x: auto; margin: 24px 0; }
.article-prose pre code { background: transparent; color: inherit; padding: 0; }
.article-prose hr { border: none; border-top: 2px dashed var(--border); margin: 32px 0; }

.empty-card { text-align: center; padding: 60px 20px; color: var(--ink-soft); }
.empty-card i { font-size: 44px; color: rgba(15, 163, 163, 0.35); margin-bottom: 16px; }
.empty-card p { font-size: 18px; font-weight: 600; margin-bottom: 18px; }

.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 28px; }
.section-label { font-size: 14px; font-weight: 700; color: var(--brand-dark); }
.tag-chip { display: inline-block; background: #fff; border: 1.5px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 13px; color: var(--ink-soft); transition: all .2s ease; }
.tag-chip:hover { border-color: var(--brand-primary); color: var(--brand-primary); background: rgba(15, 163, 163, 0.04); }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 48px; }
.pn-card { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; background: #fff; border: 2px solid var(--border); border-radius: 16px; transition: all .25s ease; min-height: 88px; justify-content: center; }
.pn-card:hover { border-color: var(--brand-primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.pn-card.text-right { text-align: right; }
.pn-label { font-size: 12px; font-weight: 600; color: var(--ink-soft); }
.pn-title { font-size: 15px; font-weight: 700; color: var(--brand-dark); }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }
.related-card { border: 2px solid var(--border); border-radius: 18px; overflow: hidden; background: #fff; transition: all .25s ease; }
.related-card:hover { border-color: var(--brand-primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card img { width: 100%; height: 160px; object-fit: cover; border-bottom: 2px solid var(--border); }
.related-body { padding: 16px 18px; }
.related-body .category-dot { display: inline-block; font-size: 12px; font-weight: 600; color: var(--brand-secondary-deep); background: rgba(255, 159, 69, 0.1); padding: 3px 10px; border-radius: 999px; margin-bottom: 8px; }
.related-body h3 { font-size: 16px; font-weight: 700; color: var(--brand-dark); margin: 0 0 8px; line-height: 1.4; }
.related-body p { font-size: 13px; color: var(--ink-soft); margin: 0; line-height: 1.6; }

.cta-vintage { background: linear-gradient(135deg, #0B2E2E, #0F3D3D); border-top: 4px solid var(--brand-secondary); border-bottom: 4px solid var(--brand-primary); padding: 64px 0; background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px); background-size: 22px 22px; }
.cta-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: #fff; margin: 0 0 12px; }
.cta-inner p { color: rgba(255, 255, 255, 0.75); font-size: 16px; margin: 0 0 28px; }
.cta-inner .btn-lg { min-width: 220px; }

.footer-site { background: var(--brand-dark); color: rgba(255, 255, 255, 0.9); padding: 56px 0 24px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .logo-mark { width: 36px; height: 36px; font-size: 15px; }
.footer-logo-text { font-size: 18px; font-weight: 800; color: #fff; }
.footer-site h4 { color: #fff; font-size: 15px; font-weight: 700; margin: 0 0 12px; }
.footer-site a { color: rgba(255, 255, 255, 0.7); font-size: 14px; padding: 5px 0; transition: color .2s; }
.footer-site a:hover { color: var(--brand-secondary); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 40px; padding-top: 18px; font-size: 13px; color: rgba(255, 255, 255, 0.55); }

.modal-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(11, 46, 46, 0.5); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.modal-visible { display: flex; }
.modal-card { position: relative; background: #fff; border: 2px solid var(--brand-dark); border-radius: 24px; max-width: 520px; width: 100%; padding: 34px; box-shadow: 8px 10px 0 rgba(11, 46, 46, 0.18); animation: modalPop .25s ease; }
@keyframes modalPop { from { opacity: 0; transform: translateY(18px) scale(.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-close { position: absolute; top: 16px; right: 16px; width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--bg-warm); border: none; font-size: 18px; color: var(--ink-soft); transition: all .2s; }
.modal-close:hover { background: var(--brand-primary); color: #fff; }
.form-input { width: 100%; border: 2px solid var(--border); border-radius: 12px; padding: 12px 14px; font-size: 14px; color: var(--ink); background: #fff; transition: border-color .2s, box-shadow .2s; }
.form-input:focus { outline: none; border-color: var(--brand-primary); box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.15); }
.form-input::placeholder { color: #a0a8b0; }

@media (min-width: 768px) {
  .header-cta { display: inline-flex; }
  .mobile-toggle { display: none; }
  .mobile-menu { display: none !important; }
}

@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container-site { padding-left: 18px; padding-right: 18px; }
  .article-card { padding: 22px; outline-offset: -10px; }
}

@media (max-width: 640px) {
  .related-grid { grid-template-columns: 1fr; }
  .prev-next { grid-template-columns: 1fr; }
  .logo-text { font-size: 16px; }
  .article-prose { font-size: 16px; }
  .cta-vintage { padding: 48px 0; }
}

/* roulang page: category2 */
:root {
            --brand-primary: #0FA3A3;
            --brand-gradient: linear-gradient(135deg, #0FA3A3, #16C79A);
            --brand-secondary: #FF9F45;
            --brand-secondary-gradient: linear-gradient(135deg, #FF9F45, #F26430);
            --brand-dark: #0B2E2E;
            --brand-dark-2: #0F3D3D;
            --surface-warm: #FAFAF7;
            --surface-card: #FFFFFF;
            --ink: #1F2937;
            --muted: #6B7280;
            --border: #E5E7EB;
            --radius-card: 20px;
            --radius-sm: 8px;
            --radius-btn: 999px;
            --shadow-card: 0 10px 30px rgba(11, 46, 46, 0.08);
            --shadow-hover: 0 16px 40px rgba(11, 46, 46, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--surface-warm);
            background-image: radial-gradient(rgba(11, 46, 46, 0.03) 1px, transparent 1px);
            background-size: 28px 28px;
            color: var(--ink);
            line-height: 1.65;
            padding-top: 76px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(250, 250, 247, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

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

        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(15, 163, 163, 0.3);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .logo:hover .logo-mark {
            transform: rotate(-6deg) scale(1.04);
            box-shadow: 0 8px 20px rgba(15, 163, 163, 0.4);
        }

        .logo-text {
            font-weight: 800;
            font-size: 20px;
            color: var(--brand-dark);
            letter-spacing: 0.4px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 8px 14px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

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

        .nav-link.active {
            color: var(--brand-primary);
            border-bottom-color: var(--brand-primary);
        }

        .menu-toggle {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--brand-dark);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, border-color 0.2s;
        }

        .menu-toggle:hover {
            background: var(--surface-warm);
            border-color: var(--brand-primary);
        }

        .mobile-menu {
            display: none;
            padding: 16px 24px 24px;
            border-top: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.98);
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            padding: 12px 8px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: background 0.2s, color 0.2s;
        }

        .mobile-menu a:hover {
            background: rgba(15, 163, 163, 0.08);
            color: var(--brand-primary);
        }

        .mobile-menu a.active {
            color: var(--brand-primary);
            background: rgba(15, 163, 163, 0.06);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--brand-gradient);
            box-shadow: 0 6px 18px rgba(15, 163, 163, 0.25);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            min-height: 44px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(15, 163, 163, 0.35);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-cta:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.2), 0 6px 18px rgba(15, 163, 163, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1.5px solid var(--brand-primary);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-primary);
            background: transparent;
            min-height: 44px;
            transition: background 0.2s ease, transform 0.25s ease;
        }

        .btn-secondary:hover {
            background: rgba(15, 163, 163, 0.08);
            transform: translateY(-2px);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: var(--radius-btn);
            padding: 16px 40px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            background: var(--brand-gradient);
            box-shadow: 0 8px 24px rgba(15, 163, 163, 0.3);
            min-height: 52px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(15, 163, 163, 0.42);
        }

        .btn-orange {
            background: var(--brand-secondary-gradient);
            box-shadow: 0 6px 18px rgba(242, 100, 48, 0.28);
        }

        .btn-orange:hover {
            box-shadow: 0 12px 28px rgba(242, 100, 48, 0.38);
        }

        /* ===== Badge / Eyebrow ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 163, 163, 0.1);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            padding: 6px 16px;
            margin-bottom: 18px;
        }

        .badge i {
            font-size: 12px;
        }

        .eyebrow {
            display: block;
            font-size: 12px;
            letter-spacing: 2px;
            color: var(--brand-secondary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section {
            padding: 80px 0;
        }

        .section-head {
            max-width: 740px;
            margin-bottom: 44px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: var(--brand-dark);
            margin: 8px 0 12px;
            line-height: 1.25;
        }

        .section-head p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 72px 0 72px;
            background:
                radial-gradient(circle at 85% 15%, rgba(15, 163, 163, 0.14), transparent 55%),
                radial-gradient(circle at 15% 80%, rgba(255, 159, 69, 0.08), transparent 40%),
                linear-gradient(135deg, var(--surface-warm) 0%, #FFFFFF 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(15, 163, 163, 0.06);
            pointer-events: none;
        }

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

        .hero-copy h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.18;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero-copy h1 .text-brand {
            color: var(--brand-primary);
            position: relative;
            display: inline-block;
        }

        .hero-copy h1 .text-brand::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 6px;
            height: 10px;
            background: rgba(255, 159, 69, 0.22);
            z-index: -1;
            border-radius: 4px;
        }

        .hero-copy p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 20px;
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust i {
            color: var(--brand-primary);
            font-size: 14px;
        }

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

        .hero-img-wrap {
            position: relative;
            border-radius: 28px;
            padding: 12px;
            background: var(--brand-gradient);
            transform: rotate(1.5deg);
            box-shadow: 0 24px 50px rgba(11, 46, 46, 0.18);
        }

        .hero-img-wrap img {
            border-radius: 20px;
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            bottom: 26px;
            left: -18px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: floatY 3s ease-in-out infinite;
        }

        .hero-float-card i {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(15, 163, 163, 0.12);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .hero-float-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-dark);
            white-space: nowrap;
        }

        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        /* ===== Activity List ===== */
        .activity-section {
            background: var(--surface-warm);
        }

        .activity-list {
            border-top: 1px solid var(--border);
        }

        .activity-row {
            display: grid;
            grid-template-columns: 56px 1fr auto auto;
            gap: 24px;
            align-items: center;
            padding: 24px 12px;
            border-bottom: 1px dashed var(--border);
            transition: background-color 0.25s ease, transform 0.25s ease;
            border-radius: 12px;
        }

        .activity-row:hover {
            background: rgba(15, 163, 163, 0.05);
            transform: translateX(4px);
        }

        .activity-icon {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            background: rgba(15, 163, 163, 0.1);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            transition: background 0.25s, transform 0.25s;
        }

        .activity-row:hover .activity-icon {
            background: var(--brand-gradient);
            color: #fff;
            transform: scale(1.05);
        }

        .activity-info h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .activity-info p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 8px;
            max-width: 560px;
        }

        .activity-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-block;
            background: #F3F4F6;
            color: #4B5563;
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
        }

        .tag.tag-brand {
            background: rgba(15, 163, 163, 0.1);
            color: var(--brand-primary);
        }

        .tag.tag-warm {
            background: rgba(255, 159, 69, 0.12);
            color: #B45309;
        }

        .activity-status {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            white-space: nowrap;
        }

        .status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            display: inline-block;
        }

        .status-dot.open {
            background: #10B981;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
        }

        .status-dot.upcoming {
            background: var(--brand-secondary);
            box-shadow: 0 0 0 4px rgba(255, 159, 69, 0.15);
        }

        .status-dot.limited {
            background: #F26430;
            box-shadow: 0 0 0 4px rgba(242, 100, 48, 0.15);
        }

        .activity-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
            padding: 8px 12px;
            border-radius: 999px;
            border: 1px solid transparent;
            min-height: 44px;
            transition: background 0.2s, border-color 0.2s, color 0.2s;
        }

        .activity-action i {
            transition: transform 0.25s ease;
        }

        .activity-action:hover {
            color: var(--brand-primary);
            background: rgba(15, 163, 163, 0.08);
            border-color: rgba(15, 163, 163, 0.15);
        }

        .activity-action:hover i {
            transform: translateX(4px);
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .timeline-visual {
            position: relative;
        }

        .timeline-visual img {
            border-radius: 24px;
            object-fit: cover;
            height: 380px;
            width: 100%;
            box-shadow: var(--shadow-card);
        }

        .timeline-visual::after {
            content: "UPDATED";
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(11, 46, 46, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 6px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 20px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 6px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: repeating-linear-gradient(to bottom, rgba(15, 163, 163, 0.4) 0 6px, transparent 6px 12px);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 28px 20px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .tl-dot {
            position: absolute;
            left: -33px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-primary);
            box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.18);
        }

        .tl-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-secondary);
            letter-spacing: 0.4px;
        }

        .tl-text {
            font-size: 15px;
            color: var(--ink);
            margin-top: 4px;
            line-height: 1.65;
        }

        /* ===== Value Section ===== */
        .value-section {
            background: var(--surface-warm);
            padding: 64px 0;
        }

        .value-card {
            background: var(--surface-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 16px;
            min-height: 220px;
        }

        .value-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 163, 163, 0.25);
        }

        .value-card .value-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: var(--brand-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 8px 20px rgba(15, 163, 163, 0.25);
        }

        .value-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-dark);
        }

        .value-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

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

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(15, 163, 163, 0.3);
            box-shadow: 0 8px 24px rgba(11, 46, 46, 0.06);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            background: transparent;
            border: none;
            text-align: left;
            transition: color 0.2s ease;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.25);
            outline-offset: -3px;
        }

        .faq-question i {
            color: var(--brand-primary);
            font-size: 15px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 22px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            padding-top: 4px;
            border-top: 1px solid #F3F4F6;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark), var(--brand-dark-2));
            padding: 84px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 26px 26px;
            pointer-events: none;
        }

        .cta-section .container-site {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            line-height: 1.3;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 16px auto 32px;
            font-size: 15px;
        }

        .cta-features {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px 20px;
            margin-top: 26px;
        }

        .cta-features span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 6px 14px;
            color: rgba(255, 255, 255, 0.9);
        }

        /* ===== Footer ===== */
        .footer-site {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.9);
            padding: 64px 0 24px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
        }

        .footer-logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .footer-site h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-site a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            text-decoration: none;
            padding: 4px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
            display: inline-flex;
            align-items: center;
        }

        .footer-site a:hover {
            color: var(--brand-secondary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 44px;
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Modal ===== */
        .modal {
            position: fixed;
            inset: 0;
            z-index: 200;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 16px;
        }

        .modal.open {
            display: flex;
        }

        .modal-overlay {
            position: absolute;
            inset: 0;
            background: rgba(11, 46, 46, 0.6);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .modal-card {
            position: relative;
            background: #fff;
            border-radius: 24px;
            max-width: 520px;
            width: 100%;
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
            z-index: 1;
            animation: modalIn 0.3s ease;
        }

        @keyframes modalIn {
            from {
                opacity: 0;
                transform: translateY(16px) scale(0.98);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

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

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: #F3F4F6;
            color: #374151;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background 0.2s, transform 0.2s;
        }

        .modal-close:hover {
            background: #E5E7EB;
            transform: rotate(90deg);
        }

        .modal-card input,
        .modal-card textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 14px;
            font-size: 14px;
            background: var(--surface-warm);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            font-family: inherit;
            margin-bottom: 12px;
        }

        .modal-card input:focus,
        .modal-card textarea:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.12);
        }

        .modal-card textarea {
            height: 96px;
            resize: vertical;
        }

        .modal-submit {
            width: 100%;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 20px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: var(--brand-gradient);
            box-shadow: 0 6px 18px rgba(15, 163, 163, 0.25);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 4px;
            min-height: 46px;
        }

        .modal-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(15, 163, 163, 0.34);
        }

        .modal-submit:focus-visible {
            outline: 3px solid rgba(15, 163, 163, 0.3);
            outline-offset: 2px;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--muted);
            margin-top: 16px;
            text-align: center;
            line-height: 1.55;
        }

        .form-notice {
            margin-top: 12px;
            padding: 12px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.1);
            color: #047857;
            font-size: 14px;
            font-weight: 600;
            text-align: center;
        }

        body.modal-open {
            overflow: hidden;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .activity-row {
                grid-template-columns: 52px 1fr auto auto;
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .page-hero {
                padding: 48px 0 56px;
            }

            .hero-img-wrap img {
                height: 260px;
            }

            .hero-float-card {
                left: 8px;
                bottom: 16px;
            }

            .activity-row {
                grid-template-columns: 44px 1fr auto;
                gap: 12px;
                padding: 20px 4px;
            }

            .activity-icon {
                grid-column: 1;
                grid-row: 1;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }

            .activity-info {
                grid-column: 2;
                grid-row: 1;
            }

            .activity-status {
                grid-column: 2 / -1;
                grid-row: 2;
                padding-top: 4px;
            }

            .activity-action {
                grid-column: 3;
                grid-row: 1;
                justify-self: end;
            }

            .timeline-visual img {
                height: 260px;
            }

            .value-card {
                padding: 24px;
                min-height: 0;
            }

            .btn-cta {
                width: 100%;
                max-width: 360px;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 68px;
            }

            .header-inner {
                height: 68px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

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

            .hero-btns .btn-primary,
            .hero-btns .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .cta-section {
                padding: 64px 0;
            }
        }