/* roulang page: index */
:root {
            --primary: #4A3B32;
            --primary-dark: #2F2621;
            --accent: #C9A063;
            --accent-light: rgba(201, 160, 99, 0.15);
            --bg: #FAF7F2;
            --bg-alt: #F1EBE3;
            --text-main: #2A211C;
            --text-secondary: #6B5D52;
            --text-light: #A89A8E;
            --border: #ECE5DC;
            --radius: 14px;
            --radius-lg: 18px;
            --shadow: 0 8px 24px rgba(74, 59, 50, 0.08);
            --shadow-hover: 0 12px 32px rgba(74, 59, 50, 0.14);
            --transition: all 0.3s ease;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media(max-width:576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(42, 33, 28, 0.05);
            z-index: 1050;
        }
        .site-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--primary-dark) !important;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-brand .brand-icon {
            color: var(--accent);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent-light);
            border-radius: 50%;
        }
        .navbar-brand:hover .brand-icon {
            transform: rotate(-8deg) scale(1.05);
        }
        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 18px !important;
            position: relative;
            white-space: nowrap;
        }
        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
        }
        .navbar-nav .nav-link:hover::after,
        .navbar-nav .nav-link.active::after {
            transform: scaleX(1);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 16px;
            height: 40px;
            width: 200px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 160, 99, 0.18);
            background: #fff;
        }
        .search-box i {
            color: var(--text-light);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-main);
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 0 28px;
            height: 48px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 160, 99, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 160, 99, 0.3);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 0 28px;
            height: 48px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(74, 59, 50, 0.2);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            height: 40px;
            padding: 0 22px;
            font-size: 14px;
        }
        .navbar-toggler {
            border: none;
            padding: 4px 8px;
            color: var(--primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%234A3B32' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 26px;
            height: 26px;
        }
        @media(max-width:991px) {
            .nav-actions {
                margin-top: 12px;
                flex-wrap: wrap;
                width: 100%;
            }
            .search-box {
                width: 100%;
            }
            .nav-actions .btn-sm {
                width: 100%;
            }
            .navbar-nav .nav-link {
                padding: 10px 0 !important;
                border-bottom: 1px solid var(--border);
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 680px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg, rgba(47, 38, 33, 0.88) 0%, rgba(47, 38, 33, 0.7) 55%, rgba(47, 38, 33, 0.45) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .hero-content {
            max-width: 760px;
            color: #fff;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .tag-light {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 5px 16px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }
        .hero-content h1 {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: 1px;
            color: #fff;
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 32px;
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-wave {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            z-index: 3;
            line-height: 0;
        }
        .hero-wave svg {
            width: 100%;
            height: 60px;
            display: block;
        }
        .hero-wave path {
            fill: var(--bg);
        }
        @media(max-width:768px) {
            .hero {
                min-height: 580px;
            }
            .hero-overlay {
                background: linear-gradient(160deg, rgba(47, 38, 33, 0.9) 0%, rgba(47, 38, 33, 0.75) 100%);
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions .btn {
                flex: 1;
                min-width: 140px;
            }
        }
        @media(max-width:576px) {
            .hero {
                min-height: 520px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }
        /* ===== Section base ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media(max-width:768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 25px;
            }
            .section-header p {
                font-size: 15px;
            }
        }
        /* ===== Pains ===== */
        .pains-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 10px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(236, 229, 220, 0.6);
            position: relative;
            overflow: hidden;
        }
        .pains-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .pains-card .img-wrap {
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
        }
        .pains-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .pains-card:hover .img-wrap img {
            transform: scale(1.04);
        }
        .pains-card .badge-corner {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
        }
        .pains-card .card-body {
            padding: 18px 12px 12px;
        }
        .pains-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .pains-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* ===== Solution cards ===== */
        .solution-card {
            display: flex;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
            border: 1px solid rgba(236, 229, 220, 0.6);
            margin-bottom: 28px;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .solution-card .img-side {
            flex: 0 0 40%;
            position: relative;
            overflow: hidden;
            min-height: 260px;
        }
        .solution-card .img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            transition: transform 0.4s ease;
        }
        .solution-card:hover .img-side img {
            transform: scale(1.04);
        }
        .solution-card .content-side {
            flex: 1;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--accent-light);
            color: var(--primary);
            border: none;
            letter-spacing: 0.3px;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .solution-card .content-side h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .solution-card .content-side p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .solution-card .meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }
        .solution-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .solution-card .tag-list span {
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--bg);
            padding: 3px 12px;
            border-radius: 999px;
        }
        .solution-card .learn-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .solution-card .learn-more:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        @media(max-width:991px) {
            .solution-card {
                flex-direction: column;
            }
            .solution-card .img-side {
                flex: none;
                min-height: 220px;
            }
            .solution-card .img-side img {
                position: relative;
                height: 220px;
            }
            .solution-card .content-side {
                padding: 20px;
            }
        }
        /* ===== Outcomes ===== */
        .stats-row {
            text-align: center;
            margin-bottom: 56px;
        }
        .stat-item {
            padding: 20px 10px;
        }
        .stat-item .stat-num {
            font-size: 46px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            display: block;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            display: block;
        }
        .path-step {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            height: 100%;
            transition: var(--transition);
            border: 1px solid rgba(236, 229, 220, 0.6);
            position: relative;
        }
        .path-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .path-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .path-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .path-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media(max-width:991px) {
            .stat-item .stat-num {
                font-size: 36px;
            }
        }
        @media(max-width:768px) {
            .stats-row .col-md-3 {
                width: 50%;
            }
            .stats-row {
                margin-bottom: 32px;
            }
        }
        /* ===== News ===== */
        .news-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item a {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
            line-height: 1.5;
        }
        .news-list-item a:hover {
            color: var(--accent);
        }
        .news-list-item .news-meta {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .news-list-item .news-meta i {
            font-size: 13px;
        }
        .topics-list {
            list-style: none;
            padding: 0;
        }
        .topics-list li {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text-main);
        }
        .topics-list li:last-child {
            border-bottom: none;
        }
        .topics-list li span {
            color: var(--text-light);
            font-size: 13px;
        }
        .news-recommend-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(236, 229, 220, 0.6);
            margin-top: 24px;
        }
        .news-recommend-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-recommend-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .news-recommend-card .rec-body {
            padding: 16px;
        }
        .news-recommend-card .rec-body h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .news-recommend-card .rec-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .news-recommend-card .rec-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        .news-recommend-card .rec-link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        /* ===== Testimonials ===== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(236, 229, 220, 0.6);
            height: 100%;
            position: relative;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .testimonial-card .t-recommend {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 999px;
        }
        .testimonial-card .t-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .testimonial-card .t-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .testimonial-card .t-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .testimonial-card .t-stars {
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 1px;
            margin-top: 2px;
        }
        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
        }
        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(201, 160, 99, 0.12);
        }
        .faq-item .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: #fff;
            padding: 18px 24px;
            border: none;
            box-shadow: none;
            font-family: var(--font-stack);
        }
        .faq-item .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--accent-light);
            box-shadow: none;
        }
        .faq-item .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-item .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234A3B32'%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");
            font-size: 16px;
        }
        .faq-item .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234A3B32'%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");
            transform: rotate(180deg);
        }
        .faq-item .accordion-body {
            padding: 4px 24px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fff;
            border-top: 1px solid rgba(236, 229, 220, 0.5);
        }
        /* ===== CTA ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            padding: 90px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(47, 38, 33, 0.92), rgba(47, 38, 33, 0.8));
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-trust {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 1px;
        }
        @media(max-width:768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 15px;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .site-footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            padding: 5px 0;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .site-footer .contact-info li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 13px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media(max-width:768px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }
        /* ===== Floating CTA ===== */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .floating-cta a {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 6px 24px rgba(74, 59, 50, 0.3);
            transition: var(--transition);
        }
        .floating-cta a:hover {
            transform: translateY(-3px) scale(1.05);
        }
        .floating-cta .fc-main {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .floating-cta .fc-main:hover {
            background: var(--primary);
            color: #fff;
        }
        @media(max-width:768px) {
            .floating-cta {
                bottom: 16px;
                right: 16px;
            }
        }
        /* ===== Utility ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-primary-custom {
            background: var(--primary);
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4A3B32;
            --primary-dark: #2F2621;
            --accent: #C9A063;
            --accent-dark: #B08B4F;
            --accent-light: #E8D6BC;
            --bg-warm: #FAF7F2;
            --bg-alt: #F1EBE3;
            --text-main: #2A211C;
            --text-secondary: #6B5D52;
            --text-weak: #A89A8E;
            --border: #ECE5DC;
            --white: #FFFFFF;
            --shadow: 0 8px 24px rgba(74, 59, 50, 0.08);
            --shadow-hover: 0 12px 32px rgba(74, 59, 50, 0.14);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --transition: all 0.3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            color: var(--text-main);
            background: var(--bg-warm);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: var(--primary); transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding: 0; list-style: none; margin: 0; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--text-main); line-height: 1.3; }
        button, input, select, textarea { font-family: inherit; }
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
        @media (max-width: 576px) {
            .container { padding-left: 16px; padding-right: 16px; }
        }

        /* ===== 顶部导航 ===== */
        .custom-nav {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(74, 59, 50, 0.04);
            padding-top: 0;
            padding-bottom: 0;
            min-height: 70px;
        }
        .custom-nav .container { min-height: 70px; }
        .custom-nav .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .custom-nav .navbar-brand:hover { color: var(--primary); }
        .custom-nav .navbar-brand svg {
            width: 30px;
            height: 30px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .custom-nav .navbar-nav { gap: 2px; }
        .custom-nav .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            position: relative;
            transition: var(--transition);
        }
        .custom-nav .nav-link:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }
        .custom-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .custom-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 3px;
            border-radius: 999px;
            background: var(--accent);
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0 16px;
            height: 40px;
            width: 210px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 160, 99, 0.15);
            background: var(--white);
        }
        .nav-search i {
            color: var(--text-weak);
            font-size: 13px;
            margin-right: 8px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 13px;
            color: var(--text-main);
        }
        .nav-search input::placeholder { color: var(--text-weak); }
        .btn-nav {
            height: 40px;
            padding: 0 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
            transition: var(--transition);
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-toggler:focus { box-shadow: none; outline: none; }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%234A3B32' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .custom-nav .navbar-collapse {
                padding: 16px 0;
                background: var(--white);
                border-top: 1px solid var(--border);
            }
            .custom-nav .nav-link.active::after { display: none; }
            .nav-search { width: 100%; margin-bottom: 10px; }
            .btn-nav { width: 100%; }
            .custom-nav .navbar-nav { gap: 4px; }
        }

        /* ===== 按钮 ===== */
        .btn {
            height: 48px;
            padding: 0 32px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover, .btn-primary:focus {
            background: var(--accent);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201, 160, 99, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            background: var(--accent-dark);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover, .btn-outline:focus {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .btn-outline:active {
            transform: translateY(0);
            background: var(--primary-dark);
        }
        .btn-light-custom {
            background: rgba(255, 255, 255, 0.15);
            color: var(--white);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(4px);
        }
        .btn-light-custom:hover, .btn-light-custom:focus {
            background: rgba(255, 255, 255, 0.25);
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
        }
        .btn-light-custom:active { transform: translateY(0); }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover, .btn-accent:focus {
            background: var(--accent-dark);
            color: var(--white);
            transform: translateY(-2px);
        }
        .btn-accent:active { transform: translateY(0); }
        .btn-lg { height: 54px; padding: 0 40px; font-size: 16px; }
        .btn-sm { height: 38px; padding: 0 20px; font-size: 13px; }
        .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(100deg, rgba(47, 38, 33, 0.88) 0%, rgba(47, 38, 33, 0.65) 45%, rgba(47, 38, 33, 0.35) 100%), url('/assets/images/backpic/back-1.jpg') no-repeat center center / cover;
            color: var(--white);
            padding: 100px 0 120px;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-tags .tag {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--white);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            max-width: 640px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero h1 .text-accent { color: var(--accent); }
        .hero p.lead {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 24px;
        }
        .hero-stats .stat-item .num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stats .stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-curve {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 60px;
            z-index: 1;
            pointer-events: none;
        }
        .hero-curve svg { width: 100%; height: 100%; display: block; }
        @media (max-width: 991.98px) {
            .hero { padding: 80px 0 100px; min-height: auto; }
            .hero h1 { font-size: 40px; }
        }
        @media (max-width: 575.98px) {
            .hero { padding: 64px 0 80px; }
            .hero h1 { font-size: 30px; line-height: 1.3; }
            .hero p.lead { font-size: 14px; }
            .hero-actions { gap: 12px; }
            .hero-actions .btn { width: calc(50% - 6px); padding: 0 16px; font-size: 14px; }
            .hero-stats { gap: 24px; }
            .hero-stats .stat-item .num { font-size: 28px; }
        }

        /* ===== 板块通用 ===== */
        .section { padding: 96px 0; }
        .section-bg { background: var(--bg-alt); }
        .section-head { max-width: 640px; margin-bottom: 48px; }
        .section-head .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            background: var(--accent-light);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 767.98px) {
            .section { padding: 60px 0; }
            .section-head { margin-bottom: 32px; }
            .section-head h2 { font-size: 26px; }
        }

        /* ===== 痛点卡片 ===== */
        .pain-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(236, 229, 220, 0.5);
        }
        .pain-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .pain-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .pain-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .pain-card:hover .card-img-wrap img { transform: scale(1.04); }
        .pain-card .card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .pain-card .card-body-custom { padding: 24px; }
        .pain-card .card-body-custom .icon {
            width: 42px;
            height: 42px;
            background: var(--bg-alt);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 14px;
        }
        .pain-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .pain-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 767.98px) {
            .pain-card { margin-bottom: 16px; }
        }

        /* ===== 解决方案卡片（信息流大卡片） ===== */
        .solution-card {
            display: flex;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid rgba(236, 229, 220, 0.6);
            transition: var(--transition);
            margin-bottom: 32px;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .solution-card .sol-img-wrap {
            flex: 0 0 300px;
            position: relative;
            overflow: hidden;
        }
        .solution-card .sol-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .solution-card:hover .sol-img-wrap img { transform: scale(1.05); }
        .solution-card .sol-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.2));
        }
        .solution-card .sol-content { padding: 28px 32px; flex: 1; }
        .sol-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
        .sol-badges .badge-custom {
            background: var(--accent-light);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .sol-badges .badge-custom:nth-child(2) {
            background: var(--bg-alt);
            color: var(--text-secondary);
        }
        .sol-badges .badge-custom:nth-child(3) {
            background: var(--primary);
            color: var(--white);
        }
        .solution-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
        .solution-card h3 a { color: var(--text-main); }
        .solution-card h3 a:hover { color: var(--accent-dark); }
        .solution-card .sol-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .sol-foot {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .sol-foot .sol-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .sol-foot .sol-tags span {
            font-size: 12px;
            color: var(--text-weak);
            background: var(--bg-alt);
            padding: 3px 10px;
            border-radius: 6px;
        }
        .sol-foot .sol-meta { font-size: 13px; color: var(--text-weak); }
        .sol-foot .sol-meta i { margin-right: 4px; }
        .sol-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 2px;
            transition: var(--transition);
        }
        .sol-link:hover { color: var(--accent-dark); border-bottom-color: var(--accent-dark); }
        @media (max-width: 991.98px) {
            .solution-card { flex-direction: column; }
            .solution-card .sol-img-wrap { flex: none; min-height: 260px; }
        }
        @media (max-width: 575.98px) {
            .solution-card .sol-img-wrap { min-height: 200px; }
            .solution-card .sol-content { padding: 20px; }
            .solution-card h3 { font-size: 18px; }
            .sol-foot { flex-direction: column; align-items: flex-start; }
        }

        /* ===== 成果区数字 ===== */
        .metric-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid rgba(236, 229, 220, 0.5);
            transition: var(--transition);
            height: 100%;
        }
        .metric-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .metric-card .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .metric-card .label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        @media (max-width: 767.98px) {
            .metric-card .num { font-size: 36px; }
            .metric-card { margin-bottom: 16px; }
        }

        /* ===== 3步路径 ===== */
        .step-card {
            position: relative;
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }
        .step-card:hover { background: var(--white); box-shadow: var(--shadow); }
        .step-card .step-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-dark);
            background: var(--accent-light);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .step-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 20px;
            z-index: 2;
        }
        @media (max-width: 991.98px) {
            .step-arrow { display: none; }
        }

        /* ===== 客户证言 ===== */
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            border: 1px solid rgba(236, 229, 220, 0.6);
            position: relative;
            transition: var(--transition);
            height: 100%;
        }
        .testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .testimonial-card .t-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-light);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
        }
        .testimonial-card .t-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .testimonial-card .t-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .testimonial-card .t-stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }
        .testimonial-card .t-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .testimonial-card .t-meta {
            font-size: 12px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        @media (max-width: 767.98px) {
            .testimonial-card { margin-bottom: 16px; }
        }

        /* ===== 评价墙 ===== */
        .review-wrap {
            display: flex;
            gap: 40px;
        }
        .review-left { flex: 1 1 60%; }
        .review-right { flex: 1 1 40%; }
        .review-summary {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .review-summary .score {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .review-summary .score-sub { font-size: 14px; color: var(--text-secondary); }
        .review-summary .score-stars { color: var(--accent); font-size: 18px; letter-spacing: 3px; margin-bottom: 4px; }
        .review-list { display: flex; flex-direction: column; gap: 16px; }
        .review-item {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px 24px;
            border: 1px solid rgba(236, 229, 220, 0.5);
            transition: var(--transition);
        }
        .review-item:hover { box-shadow: var(--shadow-hover); }
        .review-item .review-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }
        .review-item .review-head .nick { font-size: 14px; font-weight: 600; }
        .review-item .review-head .stars { color: var(--accent); font-size: 13px; letter-spacing: 1px; }
        .review-item .review-text { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin: 0; }
        .review-right .post-list {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
        }
        .post-list h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .post-list .post-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }
        .post-list .post-item:last-child { border-bottom: none; }
        .post-list .post-item i {
            color: var(--accent);
            font-size: 12px;
            margin-top: 5px;
        }
        .post-list .post-item .post-title {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
            transition: var(--transition);
            display: block;
        }
        .post-list .post-item .post-title:hover { color: var(--accent-dark); }
        .post-list .post-item .post-date {
            font-size: 12px;
            color: var(--text-weak);
        }
        .review-more { margin-top: 24px; }
        @media (max-width: 991.98px) {
            .review-wrap { flex-direction: column; gap: 24px; }
        }
        @media (max-width: 575.98px) {
            .review-summary { flex-direction: column; text-align: center; padding: 20px; }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
        }
        .faq-item .faq-q:hover { color: var(--accent-dark); }
        .faq-item .faq-q i {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item .faq-a .inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 575.98px) {
            .faq-item .faq-q { font-size: 15px; padding: 16px 20px; }
            .faq-item .faq-a .inner { padding: 0 20px 16px; font-size: 13px; }
        }

        /* ===== 限时入口 ===== */
        .limited-wrap {
            background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        .limited-wrap::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 160px;
            height: 160px;
            background: rgba(201, 160, 99, 0.15);
            border-radius: 50%;
        }
        .limited-wrap::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -20px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }
        .limited-wrap .limited-content { position: relative; z-index: 2; }
        .limited-wrap h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 8px;
        }
        .limited-wrap p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
        }
        .countdown-box {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 28px;
        }
        .countdown-box .cd-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 12px 20px;
            min-width: 72px;
        }
        .countdown-box .cd-item .cd-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .countdown-box .cd-item .cd-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }
        .limited-wrap .btn { position: relative; z-index: 2; }
        @media (max-width: 575.98px) {
            .limited-wrap { padding: 32px 20px; }
            .limited-wrap h3 { font-size: 22px; }
            .countdown-box { gap: 8px; }
            .countdown-box .cd-item { padding: 10px 12px; min-width: 56px; }
            .countdown-box .cd-item .cd-num { font-size: 24px; }
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(47, 38, 33, 0.92) 0%, rgba(47, 38, 33, 0.82) 100%), url('/assets/images/backpic/back-2.jpg') no-repeat center center / cover;
            padding: 96px 0;
            color: var(--white);
            text-align: center;
        }
        .cta-section h2 {
            font-size: 40px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 24px;
        }
        .cta-trust {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        .cta-trust span { display: inline-flex; align-items: center; gap: 6px; }
        .cta-trust i { color: var(--accent); }
        @media (max-width: 575.98px) {
            .cta-section { padding: 60px 0; }
            .cta-section h2 { font-size: 28px; }
            .cta-actions .btn { width: 100%; }
            .cta-trust { gap: 12px; font-size: 12px; }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }
        .site-footer .footer-brand svg { width: 28px; height: 28px; color: var(--accent); }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 260px;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-contact li i {
            color: var(--accent);
            font-size: 13px;
            margin-top: 4px;
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a { color: rgba(255, 255, 255, 0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 767.98px) {
            .site-footer { padding-top: 48px; }
            .site-footer .col { margin-bottom: 32px; }
        }

        /* ===== 其他 ===== */
        .section-divider { border-top: 1px solid var(--border); }
        .text-accent { color: var(--accent); }
        .bg-soft { background: var(--bg-alt); }

        /* 浮动 CTA（底部） */
        .float-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--accent);
            color: var(--white);
            border-radius: 999px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(201, 160, 99, 0.4);
            transition: var(--transition);
            border: none;
        }
        .float-cta:hover {
            background: var(--accent-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(201, 160, 99, 0.5);
        }
        .float-cta i { font-size: 16px; margin-bottom: 2px; }
        @media (max-width: 575.98px) {
            .float-cta { bottom: 16px; right: 16px; padding: 12px 16px; font-size: 13px; }
        }