/* roulang page: index */
:root {
            --primary: #1f3d36;
            --primary-dark: #142b26;
            --accent: #b08d57;
            --accent-light: #d6b98c;
            --bg: #f7f3ec;
            --bg-white: #ffffff;
            --text: #2b2b2b;
            --text-light: #6b6b6b;
            --border: #e6ddd0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
            --transition: all .2s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-bottom: 76px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        .btn {
            border-radius: 40px;
            padding: 10px 22px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary {
            background-color: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus,
        .btn-primary:active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            border-color: rgba(255,255,255,0.7);
            color: #fff;
            background-color: transparent;
        }
        .btn-outline-light:hover {
            background-color: rgba(255,255,255,0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-accent {
            background-color: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline-accent:hover {
            background-color: var(--accent);
            color: #fff;
        }
        .badge {
            border-radius: 20px;
            padding: 6px 12px;
            font-weight: 500;
            font-size: 0.78rem;
            background-color: #efe7db;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        /* Header */
        .site-header {
            background: #1c2d2a;
            background: linear-gradient(135deg, #1c2d2a 0%, #26443d 100%);
            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .navbar {
            padding-top: 0.85rem;
            padding-bottom: 0.85rem;
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff !important;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand i {
            color: var(--accent-light);
            font-size: 1.4rem;
        }
        .navbar-nav .nav-link {
            color: rgba(255,255,255,0.78) !important;
            font-size: 0.98rem;
            padding: 0.6rem 1.1rem;
            border-radius: 6px;
            transition: var(--transition);
            margin-left: 2px;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: #fff !important;
            background: rgba(255,255,255,0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-light) !important;
            background: rgba(176,141,87,0.15);
            font-weight: 600;
        }
        .btn-header {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-header:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 1.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-light);
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 5.5rem 0 4.5rem;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20,32,29,0.92) 20%, rgba(28,45,42,0.72) 60%, rgba(176,141,87,0.28) 100%);
            z-index: 1;
        }
        .hero-container {
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-block;
            background: rgba(176,141,87,0.25);
            border: 1px solid rgba(214,185,140,0.5);
            color: #f0e2ce;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.88rem;
            letter-spacing: 0.05em;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: 2.9rem;
            font-weight: 700;
            line-height: 1.28;
            margin-bottom: 1.4rem;
            max-width: 700px;
        }
        .hero-text {
            font-size: 1.12rem;
            color: rgba(255,255,255,0.88);
            max-width: 650px;
            margin-bottom: 2rem;
            line-height: 1.9;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 2.2rem;
        }
        .hero-data {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            color: #fff;
        }
        .hero-data-item strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-light);
            display: block;
            line-height: 1.2;
        }
        .hero-data-item span {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
        }
        .hero-guide-card {
            background: rgba(255,255,255,0.96);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            color: var(--text);
            transition: var(--transition);
        }
        .hero-guide-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 48px rgba(0,0,0,0.2);
        }
        .hero-guide-card img {
            height: 260px;
            width: 100%;
            object-fit: cover;
        }
        .guide-card-body {
            padding: 1.6rem 1.8rem;
        }
        .guide-card-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }
        .guide-card-body ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 1.4rem;
        }
        .guide-card-body ul li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.95rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .guide-card-body ul li i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .lead-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 0.5rem;
        }
        .lead-form input {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.95rem;
            background: #faf7f2;
            transition: var(--transition);
        }
        .lead-form input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(176,141,87,0.15);
        }
        .lead-form button {
            background-color: var(--accent);
            border: none;
            color: #fff;
            padding: 10px 18px;
            border-radius: 10px;
            font-weight: 600;
            transition: var(--transition);
        }
        .lead-form button:hover {
            background-color: var(--primary);
            transform: translateY(-1px);
        }

        /* Section common */
        .section {
            padding: 5rem 0;
        }
        .section-head {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 3rem;
        }
        .section-head.text-start {
            margin-left: 0;
            text-align: left;
        }
        .section-tag {
            display: inline-block;
            background: #efe7db;
            color: var(--accent);
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 0.8rem;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 1.02rem;
            line-height: 1.85;
        }

        /* Feed cards */
        .section-feed {
            background: var(--bg-white);
        }
        .feed-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .feed-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .feed-card img {
            width: 100%;
            height: 230px;
            object-fit: cover;
            aspect-ratio: 4/5;
        }
        .feed-card-body {
            padding: 1.4rem 1.5rem 1.6rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .feed-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0.7rem 0 0.6rem;
        }
        .feed-card-body p {
            color: var(--text-light);
            font-size: 0.95rem;
            flex: 1;
            margin-bottom: 1rem;
        }
        .text-link {
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .text-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* Ranking */
        .section-ranking {
            background: #f3ede4;
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .rank-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.2rem 1.6rem;
            display: flex;
            align-items: center;
            gap: 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .rank-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent);
            min-width: 44px;
        }
        .rank-item img {
            width: 74px;
            height: 74px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .rank-content {
            flex: 1;
        }
        .rank-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.2rem;
        }
        .rank-content p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
        }
        .rank-content .badge {
            background: #f4e8d4;
            color: #9c6f2f;
        }
        .rank-action .btn {
            flex-shrink: 0;
        }

        /* Reviews */
        .section-reviews {
            background: var(--bg-white);
        }
        .review-card {
            background: #faf7f2;
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            height: 100%;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .review-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }
        .stars {
            color: var(--accent);
            font-size: 1rem;
            letter-spacing: 2px;
            margin-bottom: 0.8rem;
        }
        .review-card p {
            font-size: 0.97rem;
            color: var(--text);
            line-height: 1.8;
            font-style: italic;
            margin-bottom: 1rem;
        }
        .reviewer {
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .reviewer i {
            color: var(--accent);
        }

        /* News */
        .section-news {
            background: #f7f3ec;
        }
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            background: #fff;
            border-radius: 12px;
            padding: 1.1rem 1.3rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            border: 1px solid var(--border);
            transition: var(--transition);
            flex-wrap: wrap;
        }
        .news-list li:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-list a {
            font-weight: 600;
            color: var(--primary);
            font-size: 1rem;
            line-height: 1.5;
        }
        .news-list a:hover {
            color: var(--accent);
        }
        .news-list time {
            color: var(--text-light);
            font-size: 0.85rem;
            white-space: nowrap;
        }
        .news-side-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }
        .news-side-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-side-card img {
            height: 190px;
            width: 100%;
            object-fit: cover;
        }
        .news-side-body {
            padding: 1.4rem 1.5rem;
        }
        .news-side-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0.6rem 0 0.5rem;
        }
        .news-side-body p {
            color: var(--text-light);
            font-size: 0.92rem;
        }
        .news-side-body .btn {
            margin-top: 0.5rem;
        }

        /* Upsell */
        .section-upsell {
            background: var(--bg-white);
        }
        .upsell-card {
            background: #f9f5ee;
            border-radius: var(--radius-lg);
            padding: 2rem 1.8rem;
            border: 1px solid var(--border);
            text-align: center;
            height: 100%;
            transition: var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .upsell-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
        }
        .upsell-card.featured {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .upsell-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .upsell-card .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 1.2rem;
        }
        .upsell-card.featured .price {
            color: var(--accent-light);
        }
        .upsell-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.8rem;
            text-align: left;
            display: inline-block;
            width: 100%;
        }
        .upsell-card ul li {
            padding: 0.45rem 0;
            border-bottom: 1px dashed rgba(0,0,0,0.08);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .upsell-card.featured ul li {
            border-color: rgba(255,255,255,0.2);
        }
        .upsell-card ul li i {
            color: var(--accent);
        }
        .upsell-card.featured ul li i {
            color: var(--accent-light);
        }

        /* FAQ */
        .section-faq {
            background: #f7f3ec;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.4rem;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #f0e9de;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-body {
            color: var(--text-light);
            font-size: 0.96rem;
            line-height: 1.85;
            padding: 1.1rem 1.4rem;
        }

        /* Fixed bottom bar */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #1c2d2a;
            box-shadow: 0 -4px 18px rgba(0,0,0,0.12);
            z-index: 1040;
            padding: 0.7rem 0;
            color: #fff;
        }
        .bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .bar-inner span {
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.9);
        }
        .bar-inner .btn {
            background: var(--accent);
            border: none;
            color: #fff;
            padding: 9px 22px;
            border-radius: 30px;
            font-weight: 600;
        }
        .bar-inner .btn:hover {
            background: var(--accent-light);
            color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background: #182422;
            color: rgba(255,255,255,0.75);
            padding: 4rem 0 2rem;
            font-size: 0.95rem;
        }
        .site-footer h3 {
            color: #fff;
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .site-footer p {
            line-height: 1.8;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer a {
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            margin-top: 3rem;
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.3rem;
            }
            .section-head h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-brand {
                font-size: 1.15rem;
            }
            .navbar-nav .nav-link {
                padding: 0.5rem 0.8rem;
            }
            .hero {
                padding: 3rem 0;
            }
            .hero h1 {
                font-size: 1.85rem;
                line-height: 1.35;
            }
            .hero-text {
                font-size: 1rem;
            }
            .hero-guide-card img {
                height: 200px;
            }
            .hero-data {
                gap: 20px;
            }
            .hero-data-item strong {
                font-size: 1.4rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .section-head h2 {
                font-size: 1.55rem;
            }
            .rank-item {
                padding: 1rem;
                gap: 12px;
                flex-wrap: wrap;
            }
            .rank-item img {
                width: 58px;
                height: 58px;
            }
            .rank-num {
                font-size: 1.4rem;
                min-width: 32px;
            }
            .rank-content h3 {
                font-size: 1rem;
            }
            .news-list li {
                padding: 0.9rem 1rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .news-side-card img {
                height: 130px;
            }
            .fixed-bottom-bar .bar-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .fixed-bottom-bar .bar-inner span {
                font-size: 0.85rem;
            }
            .site-footer {
                padding: 3rem 0 2rem;
            }
        }
        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-head {
                margin-bottom: 2rem;
            }
            .section-head h2 {
                font-size: 1.35rem;
            }
            .feed-card img {
                height: 200px;
            }
            .upsell-card {
                padding: 1.5rem 1.2rem;
            }
            .upsell-card .price {
                font-size: 2rem;
            }
            body {
                padding-bottom: 88px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}