/* roulang page: index */
:root {
            --primary: #1F4A42;
            --primary-dark: #17352E;
            --primary-light: rgba(31, 74, 66, 0.08);
            --accent: #D98E4A;
            --accent-soft: #F4E3D3;
            --accent-hover: #c67c34;
            --bg: #F8F6F3;
            --surface: #FFFFFF;
            --text: #1C1C1A;
            --text-muted: #6E6B67;
            --border: #E6E1DA;
            --border-dark: #d5cec4;
            --success: #2F6B5B;
            --shadow-sm: 0 2px 8px rgba(28, 28, 26, 0.04);
            --shadow-md: 0 8px 24px rgba(28, 28, 26, 0.08);
            --shadow-lg: 0 16px 40px rgba(28, 28, 26, 0.10);
            --radius-xm: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-num: 'Inter', 'Helvetica Neue', Arial, sans-serif;
            --spacer: 80px;
            --spacer-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        body.modal-open,
        body.menu-open {
            overflow: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

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

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

        @media (max-width: 767.98px) {
            .section-padding {
                padding: var(--spacer-mobile) 0;
            }
        }

        h1,
        h2,
        h3 {
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 700;
        }

        h2 {
            font-size: clamp(24px, 3vw, 36px);
        }

        h3 {
            font-size: 18px;
        }

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

        .text-primary {
            color: var(--primary) !important;
        }

        .text-accent {
            color: var(--accent) !important;
        }

        .text-success {
            color: var(--success) !important;
        }

        .bg-muted {
            background-color: rgba(248, 246, 243, 0.7);
        }

        .btn {
            font-weight: 500;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 16px;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            line-height: 1.5;
        }

        .btn-primary {
            background-color: var(--primary) !important;
            border-color: var(--primary) !important;
            color: #FFFFFF !important;
            box-shadow: none;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--primary-dark) !important;
            border-color: var(--primary-dark) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(31, 74, 66, 0.25);
        }

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

        .btn-outline-primary:hover {
            background-color: var(--primary-light) !important;
            color: var(--primary-dark) !important;
            border-color: var(--primary) !important;
        }

        .btn-accent {
            background-color: var(--accent) !important;
            border-color: var(--accent) !important;
            color: #fff !important;
        }

        .btn-accent:hover {
            background-color: var(--accent-hover) !important;
            border-color: var(--accent-hover) !important;
            color: #fff !important;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }

        .badge-pill {
            background: var(--accent-soft);
            color: var(--primary-dark);
            font-size: 13px;
            padding: 4px 12px;
            border-radius: var(--radius-xm);
            font-weight: 500;
            display: inline-block;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .section-header p {
            margin-bottom: 0;
        }

        /* ===== Header Top Row ===== */
        .site-header {
            border-bottom: 1px solid var(--border);
        }

        .top-bar {
            background: var(--bg);
            border-bottom: 1px solid rgba(230, 225, 218, 0.6);
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 56px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .brand-logo .brand-mark {
            font-weight: 700;
        }

        .brand-logo .brand-tag {
            background: var(--accent-soft);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-xm);
            margin-left: 6px;
            letter-spacing: 0;
        }

        .top-search {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            max-width: 640px;
            justify-content: flex-end;
        }

        .top-search .search-form {
            display: flex;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 4px 0 12px;
            height: 38px;
            width: 220px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .top-search .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.12);
        }

        .top-search .search-form input {
            border: none;
            outline: none;
            flex: 1;
            font-size: 14px;
            background: transparent;
            color: var(--text);
            padding: 0;
        }

        .top-search .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            height: 30px;
            width: 30px;
            border-radius: var(--radius-xm);
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .top-search .search-form button:hover {
            background: var(--primary-dark);
        }

        .hot-words {
            display: flex;
            gap: 10px;
            white-space: nowrap;
        }

        .hot-words a {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        /* ===== Navbar Bottom Row ===== */
        .main-nav .navbar {
            padding: 0;
            min-height: 48px;
            background: var(--surface);
        }

        .main-nav .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            height: 48px;
            gap: 4px;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 16px;
            font-size: 15px;
            color: var(--text);
            border-bottom: 3px solid transparent;
            transition: color 0.2s, border-color 0.2s;
            line-height: 1;
        }

        .nav-links li a:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }

        .nav-links li a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 500;
        }

        .nav-minitools {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-minitools a {
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 20px;
            color: var(--primary);
            background: transparent;
            display: none;
        }

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

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 99px;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg);
            z-index: 1045;
            overflow-y: auto;
            padding: 20px 24px 60px;
            border-top: 1px solid var(--border);
        }

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

        .mobile-menu .mobile-links {
            list-style: none;
            margin: 0 0 24px;
            padding: 0;
        }

        .mobile-menu .mobile-links a {
            display: block;
            padding: 14px 0;
            font-size: 17px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

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

        .mobile-menu .mobile-search {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
        }

        .mobile-search input {
            flex: 1;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 15px;
            background: #fff;
        }

        .mobile-search input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.1);
        }

        .mobile-search button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0 18px;
        }

        .mobile-hot {
            margin-top: 8px;
        }

        .mobile-hot .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .mobile-hot .badge-pill {
            margin: 0 6px 6px 0;
            display: inline-block;
        }

        /* Sticky */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .is-sticky .main-nav {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(8px);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--bg);
            overflow: hidden;
            padding: 70px 0 50px;
        }

        .hero .hero-inner {
            display: flex;
            align-items: center;
            position: relative;
            min-height: 460px;
        }

        .hero-copy {
            flex: 0 0 50%;
            max-width: 50%;
            padding-right: 30px;
            position: relative;
            z-index: 2;
        }

        .hero-media {
            position: absolute;
            top: 0;
            right: -30px;
            bottom: 0;
            width: 55%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
            min-height: 380px;
            box-shadow: var(--shadow-md);
        }

        .hero-media::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to right, var(--bg) 0%, rgba(248, 246, 243, 0.1) 18%, rgba(248, 246, 243, 0) 40%);
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
        }

        .hero h1 {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--primary-dark);
            animation: fadeUp 0.6s ease both;
        }

        .hero .lead {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 460px;
            animation: fadeUp 0.6s ease 0.1s both;
            border-bottom: none;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
            animation: fadeUp 0.6s ease 0.2s both;
        }

        .hero-login-bar {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 12px 12px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            max-width: 470px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: fadeUp 0.6s ease 0.3s both;
        }

        .hero-login-bar input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            padding: 8px 4px;
            min-width: 0;
            color: var(--text);
        }

        .hero-login-bar input::placeholder {
            color: #aaa;
        }

        .hero-login-bar .btn {
            white-space: nowrap;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
        }

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

        @media (prefers-reduced-motion: reduce) {
            .hero h1,
            .hero .lead,
            .hero-cta,
            .hero-login-bar {
                animation: none;
            }
        }

        @media (max-width: 991.98px) {
            .hero-copy {
                flex: 0 0 100%;
                max-width: 100%;
                padding-right: 0;
            }
            .hero-media {
                position: relative;
                width: 100%;
                right: 0;
                min-height: 280px;
                margin-top: 30px;
                border-radius: var(--radius-lg);
            }
            .hero-media::after {
                border-radius: var(--radius-lg);
                background: linear-gradient(to bottom, var(--bg) 0%, transparent 25%);
            }
        }

        @media (max-width: 575.98px) {
            .hero {
                padding: 40px 0 30px;
            }
            .hero-media {
                min-height: 200px;
            }
            .hero-login-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-login-bar .btn {
                width: 100%;
            }
        }

        /* ===== Feature / Selling Points ===== */
        .features {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            border-radius: var(--radius-md);
            padding: 30px 28px;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            background: var(--bg);
            border: 1px solid var(--border);
            height: 100%;
            position: relative;
        }

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

        .feature-card .feature-num {
            font-family: var(--font-num);
            font-size: 52px;
            font-weight: 700;
            color: var(--accent);
            opacity: 0.8;
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }

        .feature-card .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--accent-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .feature-card.feature-card-accent {
            background: var(--accent-soft);
            border-color: transparent;
        }

        .feature-card .feature-stat {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .feature-card h3 {
            margin-bottom: 10px;
            font-size: 17px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 991.98px) {
            .feature-cards {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 575.98px) {
            .feature-cards {
                grid-template-columns: 1fr;
            }
            .feature-card:last-child {
                grid-column: auto;
            }
        }

        /* ===== Scenario Demo ===== */
        .scenario-demo {
            background: var(--bg);
        }

        .scenario-row {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 56px;
        }

        .scenario-row:last-child {
            margin-bottom: 0;
        }

        .scenario-row.reverse {
            flex-direction: row-reverse;
        }

        .scenario-img {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .scenario-img img {
            width: 100%;
            aspect-ratio: 5/4;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform 0.4s ease;
        }

        .scenario-img img:hover {
            transform: scale(1.02);
        }

        .scenario-text {
            flex: 1;
        }

        .scenario-text h3 {
            font-size: 22px;
            margin-bottom: 12px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .scenario-text p {
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.8;
            font-size: 15px;
        }

        .scenario-text a {
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 6px;
        }

        @media (max-width: 767.98px) {
            .scenario-row,
            .scenario-row.reverse {
                flex-direction: column;
                gap: 24px;
            }
            .scenario-img {
                width: 100%;
            }
            .scenario-text {
                width: 100%;
            }
        }

        /* ===== Social Proof ===== */
        .social-proof {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .proof-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            padding: 20px 0 40px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 40px;
        }

        .proof-stat {
            text-align: center;
        }

        .proof-stat .number {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .proof-stat .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .proof-quotes {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .quote-card {
            background: #f3f1ee;
            border-radius: var(--radius-md);
            padding: 24px 22px;
            border: 1px solid transparent;
            transition: border-color 0.2s;
            display: flex;
            flex-direction: column;
        }

        .quote-card:hover {
            border-color: var(--border-dark);
        }

        .quote-card .quote-icon {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 10px;
            opacity: 0.7;
        }

        .quote-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text);
            flex: 1;
        }

        .quote-card .quote-author {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
            font-weight: 500;
        }

        @media (max-width: 991.98px) {
            .proof-quotes {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .proof-stats {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .proof-quotes {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Latest Info / CMS List ===== */
        .latest-info {
            background: var(--bg);
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            display: flex;
            gap: 16px;
            transition: box-shadow 0.2s ease, transform 0.2s ease;
            align-items: center;
        }

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

        .info-card .thumb {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            background: #eee;
        }

        .info-card .info-content {
            flex: 1;
            min-width: 0;
        }

        .info-card .info-title {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text);
        }

        .info-card .info-title a {
            color: inherit;
        }

        .info-card .info-title a:hover {
            color: var(--primary);
        }

        .info-card .info-summary {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 8px;
        }

        .info-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .info-meta .badge-pill {
            font-size: 12px;
            padding: 2px 8px;
        }

        .info-empty {
            background: #F1EFEB;
            border-radius: var(--radius-lg);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }

        .info-empty i {
            font-size: 36px;
            display: block;
            margin-bottom: 10px;
            color: var(--text-muted);
            opacity: 0.5;
        }

        @media (max-width: 575.98px) {
            .info-card {
                flex-direction: row;
                padding: 12px;
                gap: 12px;
            }
            .info-card .thumb {
                width: 96px;
                height: 68px;
            }
            .info-card .info-summary {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }
            .info-card .info-title {
                white-space: normal;
                font-size: 15px;
            }
        }

        /* ===== Contact Form ===== */
        .contact-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
        }

        .contact-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 44px;
            border: 1px solid var(--border);
        }

        .contact-form .form-control {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text);
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .contact-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.12);
            outline: none;
        }

        .contact-form .form-control::placeholder {
            color: #B0ADA9;
        }

        .contact-form textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }

        .form-privacy {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 14px;
        }

        @media (max-width: 575.98px) {
            .contact-card {
                padding: 28px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-heading {
            margin-bottom: 40px;
        }

        .faq-list .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            background: var(--surface);
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .faq-list .accordion-item:has(.show) {
            border-color: var(--primary);
        }

        .faq-list .accordion-button {
            background: var(--surface);
            color: var(--text);
            font-weight: 500;
            padding: 20px;
            font-size: 16px;
            box-shadow: none !important;
            border: none;
            transition: color 0.2s;
        }

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

        .faq-list .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231F4A42' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }

        .faq-list .accordion-body {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA Bar Fixed ===== */
        .fixed-cta {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 8px 32px rgba(31, 74, 66, 0.35);
            z-index: 1020;
            max-width: max-content;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .fixed-cta.visible {
            opacity: 1;
            pointer-events: auto;
        }

        .fixed-cta .cta-text {
            font-size: 14px;
            white-space: nowrap;
        }

        .fixed-cta .btn {
            padding: 8px 20px;
            font-size: 14px;
            border-radius: 50px;
            background: var(--accent);
            border-color: var(--accent);
        }

        .fixed-cta .btn:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
        }

        .fixed-cta .close-cta {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            padding: 2px 4px;
            line-height: 1;
            transition: color 0.2s;
        }

        .fixed-cta .close-cta:hover {
            color: #fff;
        }

        @media (max-width: 575.98px) {
            .fixed-cta {
                left: 0;
                right: 0;
                bottom: 0;
                transform: none;
                border-radius: 0;
                padding: 12px 16px;
                width: 100%;
                justify-content: space-between;
                background: var(--primary-dark);
                box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
            }
            .fixed-cta .cta-text {
                font-size: 13px;
            }
            .fixed-cta .btn {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #A7B5B0;
            padding: 56px 0 0;
            margin-top: 0;
        }

        .site-footer a {
            color: #A7B5B0;
            transition: color 0.2s;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand {
            margin-bottom: 16px;
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 20px;
        }

        .footer-brand .brand-tag {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-soft);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #8F9D98;
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #E8EFEC;
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            font-size: 14px;
        }

        .footer-contact {
            font-size: 14px;
            line-height: 2;
        }

        .footer-contact i {
            color: var(--accent);
            width: 20px;
            margin-right: 4px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Scroll-top ===== */
        .scroll-top {
            position: fixed;
            right: 20px;
            bottom: 100px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 16px;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease, background 0.2s;
            box-shadow: var(--shadow-md);
        }

        .scroll-top.visible {
            opacity: 0.9;
            pointer-events: auto;
        }

        .scroll-top:hover {
            background: var(--accent);
        }

        /* Responsive adjustments for the header / nav */
        @media (max-width: 991.98px) {
            .navbar-toggler {
                display: block;
            }
            .nav-links,
            .nav-minitools {
                display: none;
            }
            .top-bar .hot-words {
                display: none;
            }
            .top-search {
                max-width: none;
                flex: 1;
                justify-content: flex-end;
            }
            .top-search .search-form {
                width: 180px;
            }
        }

        @media (max-width: 575.98px) {
            .top-bar .top-search .search-form {
                display: none;
            }
            .brand-logo {
                font-size: 18px;
            }
        }

        /* Focused styles for accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(217, 142, 74, 0.3);
        }

/* roulang page: category1 */
:root {
            --primary: #1F4A42;
            --primary-dark: #17352E;
            --accent: #D98E4A;
            --accent-soft: #F4E3D3;
            --bg: #F8F6F3;
            --surface: #FFFFFF;
            --text: #1C1C1A;
            --text-muted: #6E6B67;
            --border: #E6E1DA;
            --success: #2F6B5B;
            --btn-radius: 6px;
            --card-radius: 10px;
            --img-radius: 12px;
            --shadow-sm: 0 2px 8px rgba(28, 28, 26, 0.04);
            --shadow-md: 0 8px 24px rgba(28, 28, 26, 0.08);
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.25s ease, box-shadow 0.25s ease;
        }

        .site-header.scrolled {
            background: rgba(248, 246, 243, 0.95);
            box-shadow: 0 4px 20px rgba(28, 28, 26, 0.06);
            backdrop-filter: blur(8px);
        }

        .top-bar {
            height: 56px;
            border-bottom: 1px solid rgba(230, 225, 218, 0.6);
            display: flex;
            align-items: center;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .brand-mark {
            color: var(--primary);
            font-weight: 800;
            font-size: 22px;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .brand-tag {
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            line-height: 1.4;
        }

        .top-search {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            justify-content: flex-end;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--btn-radius);
            overflow: hidden;
            width: 260px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.12);
        }

        .search-form input {
            border: none;
            outline: none;
            background: transparent;
            padding: 9px 14px;
            font-size: 14px;
            color: var(--text);
            flex: 1;
            min-width: 0;
        }

        .search-form button {
            border: none;
            background: transparent;
            color: var(--text-muted);
            padding: 8px 14px;
            cursor: pointer;
            transition: color 0.2s;
        }

        .search-form button:hover {
            color: var(--primary);
        }

        .hot-words {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .hot-words a {
            font-size: 13px;
            color: var(--text-muted);
            padding: 4px 8px;
            border-radius: 4px;
            transition: color 0.2s, background 0.2s;
        }

        .hot-words a:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .main-nav {
            min-height: 48px;
            background: transparent;
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 48px;
        }

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

        .nav-links li a {
            display: inline-block;
            padding: 11px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 3px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

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

        .nav-links li a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-minitools {
            display: flex;
            align-items: center;
            gap: 14px;
            white-space: nowrap;
        }

        .nav-minitools a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--surface);
            color: var(--text);
            padding: 6px 12px;
            font-size: 16px;
            line-height: 1;
            display: none;
            cursor: pointer;
        }

        .mobile-panel {
            border-top: 1px solid var(--border);
            background: var(--surface);
            padding: 16px 24px;
        }

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

        .mobile-panel .mobile-links li a {
            display: block;
            padding: 10px 4px;
            color: var(--text);
            border-bottom: 1px solid rgba(230, 225, 218, 0.6);
            font-size: 15px;
        }

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

        .mobile-panel .mobile-search {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }

        .mobile-panel .mobile-search input {
            flex: 1;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 10px 12px;
            font-size: 14px;
            outline: none;
            background: var(--bg);
        }

        .mobile-panel .mobile-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.1);
        }

        .mobile-panel .mobile-search button {
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            padding: 0 18px;
            font-size: 14px;
            cursor: pointer;
            transition: background 0.2s;
        }

        .mobile-panel .mobile-search button:hover {
            background: var(--primary-dark);
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            padding: 60px 0 70px;
            background: var(--bg);
            position: relative;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            right: 0;
            top: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
            border-radius: 0 0 0 48px;
        }

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

        .category-hero .row {
            align-items: center;
        }

        .hero-copy .hero-kicker {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 14px;
            border-radius: 4px;
            margin-bottom: 18px;
        }

        .category-hero h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text);
            margin: 0 0 18px 0;
        }

        .category-hero h1 .brand-highlight {
            color: var(--primary);
        }

        .hero-copy .lead {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 26px;
            max-width: 520px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 20px;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--btn-radius);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            line-height: 1.5;
        }

        .btn-main:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--btn-radius);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s, color 0.2s, transform 0.2s;
            line-height: 1.5;
        }

        .btn-outline:hover {
            background: rgba(31, 74, 66, 0.08);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .hero-image {
            position: relative;
        }

        .hero-image img {
            border-radius: var(--img-radius);
            box-shadow: var(--shadow-md);
            object-fit: cover;
            width: 100%;
        }

        .hero-image .hero-badge {
            position: absolute;
            bottom: -18px;
            left: 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 18px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-image .hero-badge i {
            color: var(--accent);
            font-size: 20px;
        }

        .hero-image .hero-badge strong {
            font-size: 15px;
            color: var(--text);
            display: block;
        }

        .hero-image .hero-badge span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== 专题内容区 ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-block.bg-white {
            background: var(--surface);
        }

        .feature-media img {
            border-radius: var(--img-radius);
            box-shadow: var(--shadow-sm);
            object-fit: cover;
            width: 100%;
        }

        .feature-content h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 600;
            letter-spacing: -0.01em;
            color: var(--text);
            margin: 0 0 16px 0;
            line-height: 1.4;
        }

        .feature-content p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 15px;
            line-height: 1.8;
        }

        .feature-content .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--primary);
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s, gap 0.2s;
        }

        .feature-content .link-more:hover {
            border-bottom-color: var(--primary);
            gap: 10px;
        }

        /* ===== 编号卖点卡片 ===== */
        .market-cards {
            padding: 80px 0;
            background: var(--bg);
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 600;
            letter-spacing: -0.01em;
            margin: 0 0 12px 0;
        }

        .section-head .section-sub {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 580px;
            margin: 0 auto;
        }

        .numbered-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .num-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            padding: 32px 28px;
            transition: transform 0.2s, box-shadow 0.2s;
            position: relative;
        }

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

        .num-card .num {
            font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }

        .num-card strong {
            font-size: 18px;
            font-weight: 600;
            display: block;
            margin-bottom: 10px;
        }

        .num-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }

        /* ===== 图文交替模块 ===== */
        .topic-showcase {
            padding: 80px 0;
            background: var(--surface);
        }

        .showcase-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 64px;
        }

        .showcase-row:last-child {
            margin-bottom: 0;
        }

        .showcase-row.row-flip .showcase-media {
            order: 2;
        }

        .showcase-row.row-flip .showcase-copy {
            order: 1;
        }

        .showcase-media img {
            border-radius: var(--img-radius);
            box-shadow: var(--shadow-sm);
            object-fit: cover;
            width: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .showcase-media:hover img {
            transform: scale(1.01);
            box-shadow: var(--shadow-md);
        }

        .showcase-copy h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 600;
            letter-spacing: -0.01em;
            margin: 0 0 14px 0;
            line-height: 1.4;
        }

        .showcase-copy p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 15px;
            line-height: 1.8;
        }

        .showcase-copy .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--primary);
            transition: gap 0.2s;
        }

        .showcase-copy .link-more:hover {
            gap: 10px;
        }

        /* ===== 推荐活动卡片 ===== */
        .recommend-block {
            padding: 80px 0;
            background: var(--bg);
        }

        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s;
        }

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

        .topic-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .topic-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .topic-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        .topic-card .card-body {
            padding: 22px 22px 24px;
        }

        .topic-card .card-body .badge {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .topic-card .card-body strong {
            display: block;
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
        }

        .topic-card .card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin: 0 0 14px 0;
        }

        .topic-card .card-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .topic-card .card-foot .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            margin-right: 6px;
        }

        .topic-card .card-foot a {
            font-weight: 500;
            color: var(--primary);
            transition: color 0.2s;
        }

        .topic-card .card-foot a:hover {
            color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--surface);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--card-radius);
            margin-bottom: 16px;
            background: var(--surface);
            transition: border-color 0.2s, box-shadow 0.2s;
            overflow: hidden;
        }

        .faq-item:has(.faq-collapse.show) {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            position: relative;
            padding: 20px 50px 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            outline: none;
            transition: color 0.2s;
            font-family: inherit;
        }

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

        .faq-question::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 14px;
            transition: transform 0.2s, color 0.2s;
        }

        .faq-question[aria-expanded="true"]::after {
            transform: translateY(-50%) rotate(180deg);
            color: var(--primary);
        }

        .faq-collapse .faq-answer {
            padding: 0 24px 22px 48px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-panel {
            padding: 80px 0;
            background: var(--bg);
        }

        .cta-box {
            background: var(--primary);
            border-radius: 16px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-box h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 600;
            margin: 0 0 12px 0;
            letter-spacing: -0.01em;
        }

        .cta-box p {
            color: #A7B5B0;
            margin: 0 0 24px 0;
            max-width: 520px;
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-box .btn-main {
            background: var(--accent);
            color: #fff;
        }

        .cta-box .btn-main:hover {
            background: #c67a3a;
        }

        .cta-box .btn-ghost-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: var(--btn-radius);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 500;
            margin-left: 12px;
            transition: background 0.2s, border-color 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .cta-box .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #A7B5B0;
            padding: 56px 0 0;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            margin-bottom: 14px;
        }

        .footer-brand .brand-mark {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand .brand-tag {
            background: rgba(217, 142, 74, 0.25);
            color: #D98E4A;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #A7B5B0;
            margin: 0;
            max-width: 360px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: #A7B5B0;
            font-size: 14px;
            transition: color 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.6;
            transition: opacity 0.2s;
        }

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

        .footer-contact {
            font-size: 14px;
            line-height: 2.4;
        }

        .footer-contact i {
            color: var(--accent);
            width: 22px;
            margin-right: 6px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(167, 181, 176, 0.8);
        }

        .footer-bottom span + span {
            margin-left: 12px;
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-copy {
            animation: fadeUp 0.6s ease both;
        }

        .hero-image {
            animation: fadeUp 0.6s ease 0.1s both;
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
            }
        }

        /* ===== 响应式 ===== */
        @media (min-width: 992px) {
            .navbar-toggler {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .nav-links,
            .nav-minitools {
                display: none;
            }

            .navbar-toggler {
                display: inline-flex;
            }

            .top-search {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .top-bar {
                height: 56px;
            }

            .top-bar .container {
                padding: 0 16px;
            }

            .brand-mark {
                font-size: 20px;
            }

            .brand-tag {
                font-size: 12px;
                padding: 3px 8px;
            }

            .category-hero {
                padding: 40px 0 50px;
            }

            .category-hero::before {
                width: 100%;
                opacity: 0.08;
            }

            .category-hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }

            .hero-copy .lead {
                font-size: 16px;
            }

            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }

            .hero-btns .btn-main,
            .hero-btns .btn-outline,
            .cta-box .btn-main,
            .cta-box .btn-ghost-light {
                width: 100%;
                margin-left: 0;
            }

            .hero-image {
                margin-top: 48px;
            }

            .hero-image .hero-badge {
                left: 8px;
                bottom: -14px;
                padding: 8px 14px;
            }

            .section-block,
            .market-cards,
            .topic-showcase,
            .recommend-block,
            .faq-section,
            .cta-panel {
                padding: 48px 0;
            }

            .numbered-cards,
            .showcase-row,
            .recommend-grid {
                grid-template-columns: 1fr;
            }

            .showcase-row {
                gap: 28px;
            }

            .showcase-row.row-flip .showcase-media {
                order: 1;
            }

            .showcase-row.row-flip .showcase-copy {
                order: 2;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

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

            .top-bar .container {
                padding: 0 12px;
            }

            .brand-logo {
                gap: 6px;
            }

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

            .brand-tag {
                font-size: 12px;
                padding: 2px 6px;
            }

            .main-nav .container {
                padding-left: 12px;
                padding-right: 12px;
            }

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

            .feature-content h2,
            .showcase-copy h2 {
                font-size: 24px;
            }

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

            .topic-card .card-body {
                padding: 18px;
            }

            .faq-question {
                padding: 18px 44px 18px 20px;
                font-size: 15px;
            }

            .faq-collapse .faq-answer {
                padding: 0 20px 18px 20px;
            }

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

            .faq-question::after {
                right: 18px;
            }
        }

/* roulang page: article */
:root {
    --primary: #1F4A42;
    --primary-dark: #17352E;
    --accent: #D98E4A;
    --accent-soft: #F4E3D3;
    --bg: #F8F6F3;
    --surface: #FFFFFF;
    --text: #1C1C1A;
    --text-muted: #6E6B67;
    --border: #E6E1DA;
    --success: #2F6B5B;
    --radius-card: 10px;
    --radius-btn: 6px;
    --radius-img: 12px;
    --shadow-sm: 0 2px 8px rgba(28,28,26,0.04);
    --shadow-lg: 0 8px 24px rgba(28,28,26,0.08);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
}

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

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

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

a:focus-visible {
    outline: 3px solid rgba(31, 74, 66, 0.35);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: background .25s ease, box-shadow .25s ease;
}

.site-header.scrolled {
    background: rgba(248, 246, 243, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

.site-header.scrolled .top-bar {
    background: transparent;
}

.site-header.scrolled .main-nav {
    background: transparent;
}

.top-bar {
    background: var(--surface);
    transition: background .25s ease;
}

.top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 56px;
}

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

.brand-mark {
    font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.brand-tag {
    background: var(--accent-soft);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 0.02em;
}

.top-search {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    justify-content: flex-end;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 4px 4px 14px;
    transition: border-color .2s, box-shadow .2s;
    width: 260px;
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.12);
    background: var(--surface);
}

.search-form input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: var(--text);
    flex: 1;
    min-width: 0;
}

.search-form button {
    border: none;
    background: var(--primary);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background .2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.search-form button:hover {
    background: var(--primary-dark);
}

.hot-words {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.hot-words a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .2s;
}

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

.main-nav {
    background: var(--bg);
    transition: background .25s ease;
}

.main-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    position: relative;
}

.navbar {
    padding: 0;
    min-height: 48px;
}

.navbar-toggler {
    display: none;
    border: none;
    background: none;
    color: var(--primary);
    font-size: 22px;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 6px;
    transition: background .2s, box-shadow .2s;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.15);
    outline: none;
}

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

.nav-links a {
    display: block;
    padding: 12px 16px;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: color .2s, border-color .2s;
}

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

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

.nav-minitools {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.nav-minitools a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .2s;
}

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

#mobileMenu {
    width: 100%;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 0 8px;
}

.mobile-nav-links a {
    padding: 12px 0;
    color: var(--text);
    font-size: 16px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: color .2s, padding-left .2s;
}

.mobile-nav-links a:hover {
    color: var(--primary);
    padding-left: 6px;
}

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

.mobile-hot {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 0 16px;
}

.mobile-hot a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 4px 10px;
    background: var(--bg);
    border-radius: 4px;
    transition: color .2s, background .2s;
}

.mobile-hot a:hover {
    color: var(--primary);
    background: var(--accent-soft);
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

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

.breadcrumb-nav a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .2s;
}

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

.breadcrumb-nav .current {
    color: var(--text);
    font-weight: 500;
    max-width: 480px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.breadcrumb-nav i {
    font-size: 12px;
    margin-right: 4px;
}

/* ===== Article Section ===== */
.article-section {
    padding: 60px 0 56px;
}

.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 48px 56px;
    transition: box-shadow .25s ease;
}

.article-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
    margin-bottom: 36px;
}

.article-header h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 0 0 18px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.badge-category {
    background: var(--accent-soft);
    color: var(--primary);
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    font-size: 13px;
    color: var(--accent);
}

/* ===== Article Body ===== */
.article-body {
    max-width: 680px;
    margin: 0 auto;
    color: var(--text);
    font-size: 16px;
    line-height: 1.9;
    word-break: break-word;
}

.article-body > p:first-child {
    font-size: 20px;
    line-height: 1.8;
    color: var(--text);
}

.article-body p {
    margin: 0 0 1.5em;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 600;
    margin: 36px 0 16px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text);
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-img);
    margin: 16px 0;
}

.article-body figure {
    margin: 24px 0;
}

.article-body figcaption {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    background: var(--bg);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin: 24px 0;
    color: var(--text-muted);
    font-style: normal;
}

.article-body ul,
.article-body ol {
    padding-left: 1.4em;
    margin: 0 0 1.5em;
}

.article-body li {
    margin-bottom: 6px;
}

.article-body a {
    color: var(--primary);
    border-bottom: 1px solid rgba(31, 74, 66, 0.3);
    transition: border-color .2s;
}

.article-body a:hover {
    border-bottom-color: var(--primary-dark);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.article-body th {
    background: var(--bg);
    font-weight: 600;
    padding: 12px 16px;
    border: 1px solid var(--border);
}

.article-body td {
    padding: 10px 16px;
    border: 1px solid var(--border);
}

/* ===== Article Footer ===== */
.article-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    border: 1px solid var(--primary);
    border-radius: var(--radius-btn);
    padding: 10px 22px;
    text-decoration: none;
    transition: background .25s, color .25s, transform .2s, box-shadow .25s;
}

.btn-back:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== Article Empty ===== */
.article-empty {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 72px 40px;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.article-empty i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: block;
}

.article-empty h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.article-empty p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-btn);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: background .25s, transform .2s, box-shadow .25s;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(31, 74, 66, 0.18);
}

/* ===== Related Section ===== */
.related-section {
    padding: 60px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.section-head h2 {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--text);
}

.more-link {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: color .2s, gap .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.more-link:hover {
    color: var(--primary-dark);
    gap: 10px;
}

.related-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, box-shadow .25s ease;
    height: 100%;
    color: var(--text);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--text);
    text-decoration: none;
}

.related-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg);
}

.related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.related-card:hover .related-img img {
    transform: scale(1.03);
}

.related-body {
    padding: 20px 24px 24px;
}

.related-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 10px;
    line-height: 1.45;
    transition: color .2s;
}

.related-card:hover .related-body h3 {
    color: var(--primary);
}

.related-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--accent-soft);
    padding: 4px 10px;
    border-radius: 4px;
}

/* ===== CTA ===== */
.article-cta {
    padding: 60px 0;
}

.cta-inner {
    background: var(--primary);
    border-radius: var(--radius-card);
    padding: 44px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    color: #fff;
    box-shadow: 0 10px 30px rgba(31, 74, 66, 0.18);
}

.cta-inner h2 {
    font-size: 26px;
    font-weight: 600;
    margin: 0 0 8px;
    color: #fff;
    letter-spacing: -0.01em;
}

.cta-inner p {
    color: #A7B5B0;
    margin: 0;
    font-size: 15px;
}

.btn-cta {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 14px 32px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 16px;
    border: none;
    text-decoration: none;
    transition: background .25s, transform .2s, box-shadow .25s;
    flex-shrink: 0;
}

.btn-cta:hover {
    background: #C87B3A;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(217, 142, 74, 0.3);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary-dark);
    color: #A7B5B0;
    padding: 60px 0 28px;
}

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

.site-footer .brand-logo .brand-tag {
    background: rgba(217, 142, 74, 0.2);
    color: var(--accent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #A7B5B0;
    margin: 0;
    max-width: 320px;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

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

.footer-links a {
    color: #A7B5B0;
    text-decoration: none;
    font-size: 14px;
    transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: #A7B5B0;
}

.footer-contact div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--accent);
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: #8A9A95;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .top-bar .container {
        min-height: 56px;
    }

    .top-search {
        display: none;
    }

    .navbar-toggler {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .nav-minitools {
        display: none;
    }

    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .article-section {
        padding: 40px 0 36px;
    }

    .article-card {
        padding: 32px 28px;
    }

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

@media (max-width: 767.98px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .article-section {
        padding: 28px 0 32px;
    }

    .article-card {
        padding: 24px 20px;
        border-radius: 8px;
    }

    .article-header h1 {
        font-size: 24px;
    }

    .article-body > p:first-child {
        font-size: 18px;
    }

    .cta-inner {
        padding: 32px 24px;
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-cta {
        width: 100%;
        text-align: center;
    }

    .related-section {
        padding: 44px 0;
    }

    .article-cta {
        padding: 36px 0;
    }

    .section-head h2 {
        font-size: 22px;
    }

    .breadcrumb-nav .current {
        max-width: 220px;
    }
}

@media (max-width: 575.98px) {
    .top-bar .container {
        min-height: 52px;
    }

    .brand-mark {
        font-size: 20px;
    }

    .brand-tag {
        font-size: 12px;
        padding: 3px 8px;
    }

    .main-nav .container {
        min-height: 46px;
    }

    .article-card {
        padding: 20px 16px;
    }

    .article-meta {
        gap: 12px;
    }

    .related-body {
        padding: 16px 18px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* roulang page: category2 */
:root {
            --primary: #1F4A42;
            --primary-dark: #17352E;
            --accent: #D98E4A;
            --accent-soft: #F4E3D3;
            --bg: #F8F6F3;
            --surface: #FFFFFF;
            --text: #1C1C1A;
            --text-muted: #6E6B67;
            --border: #E6E1DA;
            --success: #2F6B5B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(28, 28, 26, 0.04);
            --shadow-lg: 0 8px 24px rgba(28, 28, 26, 0.08);
            --transition: 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button,
        input {
            font: inherit;
        }

        h1,
        h2,
        h3 {
            margin: 0;
            font-weight: 600;
            color: var(--text);
        }

        h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 600;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        p {
            margin: 0;
        }

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

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(31, 74, 66, 0.18);
            color: #fff !important;
        }

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

        .btn-outline:hover {
            background: rgba(31, 74, 66, 0.08);
            border-color: var(--primary);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff !important;
        }

        .btn-accent:hover {
            background: #c8763a;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(217, 142, 74, 0.28);
            color: #fff !important;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }

        .btn:focus-visible,
        .accordion-button:focus-visible,
        .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.18);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(248, 246, 243, 0.98);
            transition: box-shadow 0.25s ease, background 0.25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(28, 28, 26, 0.06);
            background: rgba(248, 246, 243, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .top-bar {
            border-bottom: 1px solid var(--border);
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }

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

        .brand-tag {
            background: var(--accent-soft);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 500;
        }

        .top-search {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .search-form {
            display: flex;
            align-items: center;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--surface);
            transition: border-color var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(31, 74, 66, 0.12);
        }

        .search-form input {
            border: none;
            outline: none;
            padding: 8px 14px;
            width: 240px;
            font-size: 14px;
            color: var(--text);
            background: transparent;
        }

        .search-form button {
            border: none;
            background: var(--primary);
            color: #fff;
            width: 40px;
            height: 38px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .search-form button:hover {
            background: var(--primary-dark);
        }

        .hot-words {
            display: flex;
            gap: 14px;
        }

        .hot-words a {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .main-nav {
            border-bottom: 1px solid var(--border);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            height: 48px;
            justify-content: space-between;
            gap: 16px;
        }

        .navbar {
            padding: 0;
        }

        .navbar-toggler {
            display: none;
            border: none;
            background: transparent;
            font-size: 22px;
            color: var(--primary);
            padding: 4px 8px;
            cursor: pointer;
        }

        .nav-links {
            display: flex;
            gap: 28px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            height: 48px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            border-bottom: 3px solid transparent;
            transition: color var(--transition);
        }

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

        .nav-links a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-minitools {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        .nav-minitools a {
            font-size: 13px;
            color: var(--primary);
            white-space: nowrap;
        }

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

        .mobile-menu {
            border-bottom: 1px solid var(--border);
            background: var(--surface);
            display: none;
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu ul {
            padding: 8px 0;
        }

        .mobile-menu li a {
            display: block;
            padding: 10px 24px;
            font-size: 15px;
            color: var(--text);
        }

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

        .mobile-menu .mobile-tools {
            display: flex;
            gap: 16px;
            padding: 12px 24px;
            border-top: 1px solid var(--border);
            font-size: 14px;
        }

        .mobile-menu .mobile-tools a {
            color: var(--primary);
        }

        .mobile-menu .mobile-search {
            padding: 12px 24px;
            border-top: 1px solid var(--border);
        }

        .mobile-menu .mobile-search .search-form input {
            width: 100%;
        }

        /* ===== Hero ===== */
        .category-hero {
            padding: 64px 0 80px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 260px;
            height: 260px;
            background: var(--accent-soft);
            border-radius: 50%;
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            margin: 20px 0 28px;
            max-width: 480px;
            line-height: 1.75;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-image img {
            width: 100%;
            aspect-ratio: 5 / 4;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        /* ===== Section base ===== */
        .section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head p {
            color: var(--text-muted);
            margin-top: 12px;
            font-size: 16px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Split ===== */
        .split-block {
            padding: 80px 0;
        }

        .split-block+.split-block {
            border-top: 1px solid var(--border);
        }

        .split-image img {
            width: 100%;
            aspect-ratio: 5 / 4;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .split-text h2 {
            margin-bottom: 20px;
        }

        .split-text p {
            margin-bottom: 18px;
            color: var(--text);
            line-height: 1.75;
        }

        .split-text p:last-child {
            margin-bottom: 0;
        }

        .check-list {
            margin-top: 24px;
        }

        .check-list li {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text);
            font-size: 15px;
            line-height: 1.6;
        }

        .check-list li i {
            color: var(--success);
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== Methods ===== */
        .methods-section {
            padding: 80px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .method-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .method-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .method-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(31, 74, 66, 0.1);
            color: var(--primary);
            margin-bottom: 16px;
        }

        .method-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        .method-card .card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .method-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== Quote ===== */
        .quote-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .quote-box {
            position: relative;
            background: var(--accent-soft);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .quote-box::before {
            content: '\f10d';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 40px;
            color: var(--accent);
            opacity: 0.45;
            display: block;
            margin-bottom: 16px;
            line-height: 1;
        }

        .quote-box blockquote {
            margin: 0;
        }

        .quote-box p {
            font-size: 18px;
            line-height: 1.85;
            color: var(--text);
            font-weight: 400;
            margin-bottom: 20px;
        }

        .quote-box footer {
            color: var(--text-muted);
            font-size: 14px;
            letter-spacing: 0.5px;
        }

        .quote-label {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        /* ===== Visual Block ===== */
        .visual-section {
            padding: 80px 0;
        }

        .visual-block {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 380px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
        }

        .visual-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(28, 28, 26, 0.25);
        }

        .visual-content {
            position: relative;
            z-index: 1;
            background: rgba(248, 246, 243, 0.94);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            border-radius: var(--radius-md);
            padding: 40px;
            max-width: 540px;
            margin: 40px;
            box-shadow: var(--shadow-lg);
        }

        .visual-content h2 {
            margin-bottom: 14px;
        }

        .visual-content p {
            margin-bottom: 20px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .visual-content .btn {
            margin-top: 4px;
        }

        /* ===== Security ===== */
        .security-section {
            padding: 80px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .security-list {
            margin-top: 24px;
        }

        .security-list li {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

        .security-list li i {
            color: var(--accent);
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }

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

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: none !important;
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: var(--surface);
            border: none;
            box-shadow: none !important;
            transition: background var(--transition), color var(--transition);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--accent-soft);
            box-shadow: none !important;
        }

        .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            transition: transform var(--transition);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .accordion-body {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--bg);
        }

        .cta-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            left: -70px;
            top: -70px;
            width: 180px;
            height: 180px;
            background: rgba(217, 142, 74, 0.18);
            border-radius: 50%;
        }

        .cta-card h2 {
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            font-size: 16px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .cta-card .btn-light-custom {
            background: #fff;
            color: var(--primary) !important;
        }

        .cta-card .btn-light-custom:hover {
            background: var(--accent-soft);
            transform: translateY(-1px);
        }

        .cta-card .btn-accent {
            background: var(--accent);
            color: #fff !important;
        }

        .cta-card .btn-accent:hover {
            background: #c8763a;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: #A7B5B0;
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

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

        .footer-brand .brand-tag {
            background: rgba(217, 142, 74, 0.22);
            color: #fff;
        }

        .footer-desc {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.8;
            color: #A7B5B0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .footer-links a {
            color: #A7B5B0;
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .footer-contact div {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-contact i {
            margin-right: 8px;
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991px) {
            .top-search {
                display: none;
            }

            .nav-links,
            .nav-minitools {
                display: none;
            }

            .navbar-toggler {
                display: block;
            }

            .main-nav .container {
                height: 48px;
            }

            .hero-image {
                margin-top: 40px;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .visual-content {
                margin: 24px;
                padding: 28px;
            }

            .quote-box {
                padding: 40px 32px;
            }
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 48px 0 56px;
            }

            .split-block,
            .methods-section,
            .quote-section,
            .visual-section,
            .security-section,
            .faq-section,
            .cta-section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .card-grid {
                gap: 16px;
            }
        }

        @media (max-width: 576px) {
            .brand-logo {
                font-size: 18px;
            }

            .brand-tag {
                font-size: 12px;
                padding: 2px 6px;
            }

            .top-bar .container {
                height: 52px;
            }

            .main-nav .container {
                height: 44px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

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

            .quote-box {
                padding: 28px 20px;
            }

            .quote-box p {
                font-size: 16px;
            }

            .visual-block {
                min-height: 320px;
            }

            .visual-content {
                margin: 16px;
                padding: 24px;
                max-width: calc(100% - 32px);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }

            .cta-card {
                padding: 40px 20px;
            }

            .cta-card .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .hot-words {
                display: none;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #1F4A42;
  --primary-dark: #17352E;
  --accent: #D98E4A;
  --accent-soft: #F4E3D3;
  --bg: #F8F6F3;
  --surface: #FFFFFF;
  --text: #1C1C1A;
  --text-muted: #6E6B67;
  --border: #E6E1DA;
  --success: #2F6B5B;
  --radius-lg: 12px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 8px rgba(28,28,26,0.04);
  --shadow-hover: 0 8px 24px rgba(28,28,26,0.08);
}
* {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-dark);
}
button, input, textarea {
  font-family: inherit;
}
.container {
  max-width: 1200px;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(248,246,243,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(230,225,218,0.7);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(28,28,26,0.06);
  border-bottom-color: var(--border);
}
.top-bar {
  border-bottom: 1px solid rgba(230,225,218,0.4);
}
.top-bar .container {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  line-height: 1;
}
.brand-mark {
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.brand-tag {
  background: var(--accent-soft);
  color: #9A5D24;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  margin-left: 8px;
  line-height: 1.4;
}
.top-search {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-form {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  width: 280px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31,74,66,0.12);
}
.search-form input {
  border: 0;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: 14px;
  color: var(--text);
}
.search-form button {
  border: 0;
  background: transparent;
  color: var(--primary);
  padding: 0 4px;
  font-size: 14px;
  cursor: pointer;
}
.hot-words {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.hot-words a {
  color: var(--text-muted);
  text-decoration: none;
}
.hot-words a:hover {
  color: var(--primary);
}
.main-nav {
  background: transparent;
}
.main-nav .container {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 13px 0 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 3px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover {
  color: var(--primary);
  border-color: var(--accent);
}
.nav-links a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.nav-minitools {
  display: flex;
  gap: 12px;
}
.nav-minitools a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 4px;
  transition: background .2s ease, color .2s ease;
}
.nav-minitools a:hover {
  color: var(--primary);
  background: var(--accent-soft);
}
.navbar-toggler {
  display: none;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 22px;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
}
.mobile-menu {
  display: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-hover);
  padding: 16px 0;
}
.mobile-menu.show {
  display: block;
}
.mobile-menu a {
  display: block;
  padding: 10px 0;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.mobile-menu a:hover {
  color: var(--primary);
}
.mobile-menu a.active {
  color: var(--primary);
  font-weight: 600;
}
.mobile-hot {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 13px;
}
.mobile-hot a {
  display: inline-block;
  padding: 6px 12px;
  border-bottom: 0;
  background: var(--accent-soft);
  color: #9A5D24;
  border-radius: 4px;
  margin: 4px 6px 4px 0;
  font-size: 13px;
}

/* ========== Buttons ========== */
.btn {
  border-radius: var(--radius-sm);
  padding: 12px 26px;
  font-weight: 600;
  font-size: 15px;
  transition: all .2s ease;
  text-decoration: none;
  display: inline-block;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(31,74,66,0.08);
  color: var(--primary);
}
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: #C97A35;
  border-color: #C97A35;
  color: #fff;
  transform: translateY(-1px);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ========== Page Hero ========== */
.page-hero {
  padding: 72px 0 64px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: #9A5D24;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 0;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.hero-image-wrap {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow);
}
.hero-image {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 5 / 4;
}

/* ========== Section ========== */
.section {
  padding: 80px 0;
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-kicker {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.section-desc {
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ========== Timeline ========== */
.timeline-section {
  background: var(--surface);
}
.timeline {
  position: relative;
  margin-top: 40px;
  padding-bottom: 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 48px 0;
  text-align: right;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 48px 40px;
  text-align: left;
}
.timeline-item::before {
  content: "";
  position: absolute;
  top: 8px;
  right: -6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}
.timeline-item:nth-child(even)::before {
  right: auto;
  left: -6px;
}
.timeline-card {
  display: inline-block;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}
.timeline-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.timeline-date {
  display: inline-block;
  background: var(--accent-soft);
  color: #9A5D24;
  font-size: 14px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.timeline-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.timeline-card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ========== Data ========== */
.data-section {
  background: var(--primary);
  color: #fff;
  padding: 64px 0;
  text-align: center;
}
.data-section .section-head h2 {
  color: #fff;
}
.data-section .section-kicker {
  color: var(--accent);
}
.data-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.data-item {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background .2s ease;
}
.data-item:hover {
  background: rgba(255,255,255,0.12);
}
.data-num {
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}
.data-label {
  color: rgba(255,255,255,0.8);
  margin-top: 8px;
  font-size: 15px;
}

/* ========== Feature ========== */
.feature-section {
  background: var(--bg);
}
.feature-grid {
  margin-top: 8px;
  row-gap: 24px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  transition: transform .2s ease, box-shadow .2s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}
.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-muted);
  margin-bottom: 0;
  font-size: 15px;
}

/* ========== Quote ========== */
.quote-section {
  padding: 80px 0;
  background: var(--surface);
}
.quote-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.quote-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 5 / 4;
  box-shadow: var(--shadow);
}
.quote-text {
  background: var(--bg);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 32px;
  box-shadow: var(--shadow);
}
.quote-text blockquote {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text);
}
.quote-text blockquote p {
  margin-bottom: 12px;
}
.quote-source {
  color: var(--text-muted);
  font-size: 14px;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}
.accordion {
  max-width: 820px;
  margin: 0 auto;
  --bs-accordion-border-color: var(--border);
  --bs-accordion-border-radius: var(--radius);
  --bs-accordion-inner-border-radius: var(--radius);
  --bs-accordion-btn-color: var(--text);
  --bs-accordion-btn-bg: var(--surface);
  --bs-accordion-active-color: var(--primary);
  --bs-accordion-active-bg: var(--surface);
}
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  margin-bottom: 12px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color .2s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: var(--primary) !important;
}
.accordion-button {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  font-size: 16px;
}
.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--surface);
  box-shadow: inset 0 -1px 0 var(--border);
}
.accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(31,74,66,0.12);
  z-index: 3;
}
.accordion-body {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 15px;
}

/* ========== CTA ========== */
.cta-section {
  padding: 72px 0;
  background: linear-gradient(rgba(31,74,66,0.92), rgba(23,53,46,0.95)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  color: #fff;
  text-align: center;
}
.cta-section .container {
  max-width: 720px;
}
.cta-section h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary-dark);
  color: #A7B5B0;
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand {
  margin-bottom: 12px;
}
.footer-brand .brand-mark {
  color: #fff;
}
.footer-brand .brand-tag {
  background: rgba(255,255,255,0.12);
  color: #E6E1DA;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #A7B5B0;
  margin: 12px 0 0;
}
.footer-title {
  color: #fff;
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 16px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #A7B5B0;
  text-decoration: none;
  font-size: 14px;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact div {
  margin-bottom: 8px;
  font-size: 14px;
}
.footer-contact i {
  width: 20px;
  color: var(--accent);
  margin-right: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #8FA09A;
}

/* ========== Responsive ========== */
@media (max-width: 991px) {
  .section {
    padding: 56px 0;
  }
  .top-search {
    display: none;
  }
  .nav-links,
  .nav-minitools {
    display: none;
  }
  .navbar-toggler {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 4px;
    right: 8px;
  }
  .main-nav .container {
    min-height: 48px;
  }
  .site-header .top-bar .container {
    min-height: 56px;
  }
  .page-hero {
    padding: 56px 0 48px;
  }
  .hero-actions {
    margin-bottom: 24px;
  }
  .quote-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .cta-section {
    padding: 56px 0;
  }
}
@media (max-width: 767px) {
  .timeline::before {
    left: 12px;
    transform: none;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 36px 40px;
    text-align: left;
  }
  .timeline-item::before,
  .timeline-item:nth-child(even)::before {
    left: 6px;
    right: auto;
  }
  .data-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .cta-buttons .btn {
    width: 100%;
  }
}
@media (max-width: 575px) {
  .page-hero h1 {
    font-size: 30px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .feature-grid .col-md-4 {
    width: 100%;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .brand-mark {
    font-size: 18px;
  }
  .brand-tag {
    font-size: 12px;
    padding: 3px 6px;
  }
  .quote-text {
    padding: 24px;
  }
  .accordion-button {
    font-size: 15px;
    padding: 16px 18px;
  }
  .accordion-body {
    padding: 0 18px 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}