/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #E0704E;
            --primary-light: #F4A261;
            --primary-dark: #C1552F;
            --accent: #7FA66A;
            --accent-light: #EAF2E4;
            --cream: #FFF9F4;
            --cream-dark: #F8EFE7;
            --white: #FFFFFF;
            --dark: #2D2925;
            --gray: #6E6761;
            --gray-light: #A39B94;
            --border: #ECE4DC;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 40px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.045);
            --shadow-hover: 0 14px 34px rgba(0, 0, 0, 0.08);
            --transition: 0.28s cubic-bezier(0.25, 0.8, 0.25, 1);
            --container-max: 1200px;
            --space-section: 112px;
            --space-section-mobile: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            font-size: 1rem;
            line-height: 1.75;
            color: var(--dark);
            background: var(--cream);
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.22;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.75rem);
            font-weight: 800;
        }

        h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--primary);
            background: rgba(224, 112, 78, 0.1);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .section-label::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--gray);
            max-width: 640px;
            line-height: 1.75;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 999px;
            font-size: 0.94rem;
            font-weight: 600;
            line-height: 1.2;
            border: 2px solid transparent;
            transition: all var(--transition);
            min-height: 48px;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(224, 112, 78, 0.35);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(224, 112, 78, 0.28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(224, 112, 78, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(224, 112, 78, 0.2);
        }

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

        .btn-outline:hover {
            background: rgba(224, 112, 78, 0.08);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(127, 166, 106, 0.25);
        }

        .btn-accent:hover {
            background: #6C8F58;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.02rem;
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            min-height: 40px;
        }

        /* ===== Badges ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .badge-primary {
            background: var(--primary);
            color: #fff;
        }

        .badge-success {
            background: var(--accent-light);
            color: var(--accent);
        }

        .badge-warm {
            background: rgba(244, 162, 97, 0.15);
            color: #C77A2C;
        }

        .badge-gray {
            background: #F0EBE7;
            color: var(--gray);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 249, 244, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.06);
        }

        .top-bar {
            background: var(--dark);
            color: #D8CFC8;
            font-size: 0.78rem;
            padding: 6px 0;
            overflow: hidden;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .top-bar-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(127, 166, 106, 0.5);
            }
            50% {
                box-shadow: 0 0 0 5px rgba(127, 166, 106, 0);
            }
        }

        .main-nav {
            padding: 12px 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

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

        .logo-dot {
            width: 9px;
            height: 9px;
            border-radius: 3px;
            background: var(--primary);
            display: inline-block;
            transform: rotate(45deg);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray);
            transition: all var(--transition);
            min-height: 40px;
            display: inline-flex;
            align-items: center;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(224, 112, 78, 0.06);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(224, 112, 78, 0.1);
            font-weight: 600;
        }

        .nav-cta {
            margin-left: 4px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 12px;
            border-radius: 10px;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 96px 0 88px;
            background: linear-gradient(115deg, #FFF9F4 0%, #FFF9F4 50%, rgba(255, 249, 244, 0.82) 100%),
                url('/assets/images/backpic/back-1.jpg') right center / cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 64px;
            align-items: center;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-badge {
            margin-bottom: 24px;
        }

        .hero-title {
            margin-bottom: 20px;
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            line-height: 1.18;
        }

        .hero-title em {
            font-style: normal;
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }

        .hero-title em::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 10px;
            background: rgba(244, 162, 97, 0.25);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--gray);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--gray);
        }

        .trust-item svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* Hero Card */
        .hero-card-wrap {
            display: flex;
            justify-content: flex-end;
            align-items: center;
        }

        .hero-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            padding: 32px;
            max-width: 420px;
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.6);
            position: relative;
            transform: translateY(0);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .hero-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 30px 70px rgba(0, 0, 0, 0.12);
        }

        .hero-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .hero-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 28px;
        }

        .hero-card-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .hero-card-item-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(224, 112, 78, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
        }

        .hero-card-item-icon svg {
            width: 20px;
            height: 20px;
        }

        .hero-card-item-text {
            font-size: 0.88rem;
            color: var(--dark);
            line-height: 1.5;
            font-weight: 500;
        }

        .hero-card-item-text small {
            display: block;
            color: var(--gray);
            font-size: 0.78rem;
            font-weight: 400;
            margin-top: 2px;
        }

        .hero-card-footer {
            display: flex;
            gap: 10px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-header {
            margin-bottom: 52px;
        }

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Brand Story ===== */
        .brand-story {
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 72px;
            align-items: center;
        }

        .brand-story-text .section-desc {
            margin-top: 16px;
            margin-bottom: 24px;
        }

        .brand-story-points {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 24px;
        }

        .brand-story-point {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--gray);
        }

        .brand-story-point svg {
            width: 22px;
            height: 22px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .brand-story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .brand-story-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .brand-story-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.1));
            border-radius: var(--radius-lg);
        }

        /* ===== Features ===== */
        .features {
            background: var(--cream);
        }

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

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(224, 112, 78, 0.2);
        }

        .feature-card.featured {
            grid-column: span 2;
            background: linear-gradient(135deg, #FFF6F2 0%, var(--white) 60%);
            border-color: rgba(224, 112, 78, 0.15);
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 24px;
            align-items: center;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(224, 112, 78, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .feature-icon svg {
            width: 26px;
            height: 26px;
        }

        .feature-card.featured .feature-icon {
            margin-bottom: 0;
            width: 64px;
            height: 64px;
            border-radius: 18px;
        }

        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-desc {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.7;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--primary);
        }

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

        .feature-link svg {
            width: 16px;
            height: 16px;
            transition: transform var(--transition);
        }

        /* ===== Showcase (精选内容) ===== */
        .showcase {
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .showcase-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .showcase-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .showcase-card:nth-child(2) {
            transform: translateY(18px);
        }

        .showcase-card:nth-child(2):hover {
            transform: translateY(12px);
        }

        .showcase-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .showcase-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .showcase-card:hover .showcase-card-image img {
            transform: scale(1.04);
        }

        .showcase-card-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .showcase-card-tag {
            margin-bottom: 12px;
        }

        .showcase-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .showcase-card-desc {
            font-size: 0.88rem;
            color: var(--gray);
            line-height: 1.65;
            flex: 1;
        }

        .showcase-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 18px;
            font-size: 0.8rem;
            color: var(--gray-light);
        }

        /* ===== Stats ===== */
        .stats {
            background: var(--dark);
            color: #fff;
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .stats::before {
            content: "";
            position: absolute;
            right: -20%;
            top: -50%;
            width: 60%;
            height: 200%;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.08;
            border-radius: 50%;
            transform: rotate(10deg);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            padding: 20px 0;
        }

        .stat-number {
            font-size: clamp(2rem, 3.5vw, 3rem);
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(120deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
            font-weight: 400;
        }

        /* ===== Testimonials ===== */
        .testimonials {
            background: var(--cream);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card::before {
            content: "“";
            position: absolute;
            top: 12px;
            right: 24px;
            font-size: 3rem;
            color: rgba(224, 112, 78, 0.25);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-stars {
            display: flex;
            gap: 2px;
            margin-bottom: 16px;
            color: #F4A261;
            font-size: 0.9rem;
        }

        .testimonial-text {
            font-size: 0.92rem;
            color: var(--gray);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 600;
        }

        .testimonial-loc {
            font-size: 0.78rem;
            color: var(--gray-light);
        }

        /* ===== Pricing ===== */
        .pricing {
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            max-width: 880px;
            margin: 0 auto;
        }

        .pricing-card {
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border);
            background: var(--cream);
            transition: all var(--transition);
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .pricing-card.recommended {
            background: var(--white);
            border-color: var(--primary);
            box-shadow: 0 8px 40px rgba(224, 112, 78, 0.12);
        }

        .pricing-card.recommended::before {
            content: "热门选择";
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 22px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .pricing-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-sub {
            font-size: 0.88rem;
            color: var(--gray);
            margin-bottom: 24px;
        }

        .pricing-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 24px;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .pricing-price span {
            font-size: 1rem;
            font-weight: 400;
            color: var(--gray);
        }

        .pricing-features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 32px;
        }

        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--dark);
        }

        .pricing-features li svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .pricing-features li.disabled {
            color: var(--gray-light);
        }

        .pricing-features li.disabled svg {
            color: var(--gray-light);
            opacity: 0.4;
        }

        /* ===== News ===== */
        .news {
            background: var(--cream);
            border-top: 1px solid var(--border);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 48px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--gray-light);
            white-space: nowrap;
            min-width: 74px;
            font-weight: 500;
        }

        .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark);
            flex: 1;
            line-height: 1.5;
        }

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

        .news-arrow {
            color: var(--gray-light);
            font-size: 0.9rem;
            transition: transform var(--transition), color var(--transition);
        }

        .news-item:hover .news-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        .news-sidebar {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 120px;
        }

        .news-sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-title svg {
            width: 22px;
            height: 22px;
            color: var(--primary);
        }

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

        .news-tags a {
            padding: 6px 14px;
            background: var(--cream);
            border-radius: 999px;
            font-size: 0.8rem;
            color: var(--gray);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }

        .news-tags a:hover {
            background: rgba(224, 112, 78, 0.08);
            color: var(--primary);
            border-color: rgba(224, 112, 78, 0.2);
        }

        /* ===== FAQ ===== */
        .faq {
            background: var(--white);
            border-top: 1px solid var(--border);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--white);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.open {
            border-color: rgba(224, 112, 78, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            min-height: 56px;
        }

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

        .faq-question:focus-visible {
            outline: 3px solid rgba(224, 112, 78, 0.3);
            outline-offset: -2px;
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(224, 112, 78, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .faq-icon svg {
            width: 14px;
            height: 14px;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon svg {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            padding: 0 28px;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), padding 0.3s ease;
            font-size: 0.92rem;
            color: var(--gray);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 28px 24px;
        }

        /* ===== Final CTA ===== */
        .cta-section {
            padding: 112px 0;
            background: linear-gradient(135deg, rgba(224, 112, 78, 0.92) 0%, rgba(244, 162, 97, 0.88) 100%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transform: rotate(20deg);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #fff;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
        }

        .btn-white:hover {
            background: var(--cream);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }

        .btn-ghost-white {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #24201C;
            color: #B8AFA7;
            padding: 80px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 60px;
            padding-bottom: 56px;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-logo:hover {
            color: var(--primary-light);
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #9A9188;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.92rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: #9A9188;
            transition: color var(--transition), padding-left var(--transition);
            padding: 4px 0;
            min-height: 36px;
            display: inline-flex;
            align-items: center;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: #7E756C;
        }

        .footer-bottom a {
            color: #7E756C;
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Scroll indicator ===== */
        .scroll-indicator {
            display: flex;
            justify-content: center;
            margin-top: 40px;
            color: var(--gray-light);
            font-size: 0.78rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .scroll-indicator svg {
            width: 18px;
            height: 18px;
            animation: bounce-down 2s infinite;
        }

        @keyframes bounce-down {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(6px);
            }
        }

        /* ===== Animations ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
            .fade-up {
                opacity: 1;
                transform: none;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .hero-card-wrap {
                justify-content: center;
            }

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

            .feature-card.featured {
                grid-column: span 2;
            }

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

            .showcase-card:nth-child(2) {
                transform: none;
            }

            .showcase-card:nth-child(2):hover {
                transform: translateY(-6px);
            }

            .showcase-card:last-child {
                grid-column: span 2;
            }

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

            .testimonial-card:last-child {
                grid-column: span 2;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .news-sidebar {
                position: static;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--cream);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 14px 16px;
                border-radius: 12px;
                min-height: 48px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                padding: 56px 0 64px;
            }

            .hero-grid {
                gap: 40px;
            }

            .hero-title {
                font-size: clamp(1.7rem, 6vw, 2.4rem);
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-cta {
                flex-direction: column;
            }

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

            .hero-trust {
                flex-direction: column;
                gap: 12px;
            }

            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .brand-story-image img {
                height: 260px;
            }

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

            .feature-card.featured {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }

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

            .showcase-card:last-child {
                grid-column: span 1;
            }

            .showcase-card:nth-child(2) {
                transform: none;
            }

            .showcase-card:nth-child(2):hover {
                transform: translateY(-6px);
            }

            .showcase-card-image {
                height: 180px;
            }

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

            .testimonial-card:last-child {
                grid-column: span 1;
            }

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

            .pricing-card {
                padding: 32px 24px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 18px 0;
            }

            .news-date {
                min-width: 0;
                font-size: 0.75rem;
            }

            .news-arrow {
                display: none;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .cta-section {
                padding: 72px 0;
            }

            .cta-buttons {
                flex-direction: column;
            }

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

            .scroll-indicator {
                margin-top: 28px;
            }

            .section-header {
                margin-bottom: 36px;
            }

            .hero-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

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

            .feature-card.featured .feature-icon {
                margin-bottom: 16px;
            }

            .hero-card-footer {
                flex-direction: column;
            }

            .hero-card-footer .btn {
                width: 100%;
            }

            .pricing-grid {
                margin: 0 auto;
                max-width: 100%;
            }
        }

        /* ===== Reduced motion ===== */
        @media (prefers-reduced-motion: reduce) {
            .site-header {
                backdrop-filter: none;
                -webkit-backdrop-filter: none;
            }
        }

/* roulang page: category1 */
/* ===== 分类页特有样式 ===== */
        .category-hero {
            padding: 64px 0 48px;
            background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
            border-bottom: 1px solid var(--border);
        }
        .category-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--gray-light);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .category-breadcrumb a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
        }
        .category-breadcrumb a:hover {
            color: var(--primary);
        }
        .category-breadcrumb .sep {
            color: var(--border);
            font-size: 0.75rem;
        }
        .category-breadcrumb .current {
            color: var(--gray);
            font-weight: 500;
        }
        .category-hero-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--dark);
            letter-spacing: -0.01em;
        }
        .category-hero-title .highlight {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        .category-hero-sub {
            font-size: 1.05rem;
            color: var(--gray);
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .category-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .category-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
        }
        .category-stat-label {
            font-size: 0.82rem;
            color: var(--gray-light);
        }

        /* 筛选标签行 */
        .filter-bar {
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            background: var(--white);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-tags .tag-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--gray);
            margin-right: 6px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--gray);
            background: var(--cream);
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            min-height: 36px;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(224, 112, 78, 0.05);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-tag i {
            font-size: 0.7rem;
        }

        /* 内容列表区 - 两列大卡 + 右侧摘要 */
        .collection-section {
            padding: 72px 0;
            background: var(--cream);
        }
        .collection-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
        }
        .collection-main {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .video-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 24px;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .video-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(224, 112, 78, 0.25);
        }
        .video-card-media {
            position: relative;
            overflow: hidden;
            min-height: 170px;
        }
        .video-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .video-card:hover .video-card-media img {
            transform: scale(1.04);
        }
        .video-card-media .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            backdrop-filter: blur(6px);
        }
        .video-card-media .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.28);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .video-card:hover .play-overlay {
            opacity: 1;
        }
        .video-card-media .play-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.92);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            transition: transform var(--transition);
        }
        .video-card:hover .play-btn {
            transform: scale(1.08);
        }
        .video-card-body {
            padding: 24px 26px 22px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            justify-content: center;
        }
        .video-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.45;
            margin: 0;
            transition: color var(--transition);
        }
        .video-card:hover .video-card-title {
            color: var(--primary);
        }
        .video-card-desc {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .video-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--gray-light);
        }
        .video-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .video-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 4px;
            transition: gap var(--transition);
        }
        .video-card-link:hover {
            gap: 10px;
        }

        /* 右侧摘要卡 */
        .collection-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card-title i {
            color: var(--primary);
            font-size: 1rem;
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--gray);
            line-height: 1.5;
        }
        .sidebar-list li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            opacity: 0.7;
        }
        .sidebar-tip {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px dashed var(--border);
            font-size: 0.82rem;
            color: var(--gray-light);
            line-height: 1.6;
        }
        .sidebar-stat {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 6px;
        }
        .sidebar-stat-item {
            text-align: center;
            padding: 12px 8px;
            background: var(--cream);
            border-radius: var(--radius-md);
        }
        .sidebar-stat-item strong {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }
        .sidebar-stat-item span {
            font-size: 0.78rem;
            color: var(--gray);
        }

        /* 核心要点 */
        .key-points-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .key-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .key-point-card {
            padding: 32px 28px;
            border-radius: var(--radius-lg);
            background: var(--cream);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .key-point-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(224, 112, 78, 0.2);
        }
        .key-point-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: 18px;
        }
        .key-point-card:nth-child(2) .key-point-icon {
            background: var(--accent);
        }
        .key-point-card:nth-child(3) .key-point-icon {
            background: var(--primary-light);
        }
        .key-point-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .key-point-text {
            font-size: 0.88rem;
            color: var(--gray);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .collection-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .video-card {
                grid-template-columns: 240px 1fr;
            }
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 40px 0 32px;
            }
            .collection-section {
                padding: 48px 0;
            }
            .key-points-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .collection-sidebar {
                grid-template-columns: 1fr;
            }
            .video-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .video-card-media {
                min-height: 200px;
            }
            .video-card-body {
                padding: 20px 22px;
            }
            .category-stats {
                gap: 24px;
            }
            .category-stat-num {
                font-size: 1.2rem;
            }
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero-title {
                font-size: 1.7rem;
            }
            .category-hero-sub {
                font-size: 0.92rem;
            }
            .collection-main {
                gap: 20px;
            }
            .video-card-media {
                min-height: 160px;
            }
            .sidebar-card {
                padding: 22px;
            }
        }
        .has-bg {
            position: relative;
        }
        .has-bg::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .has-bg>* {
            position: relative;
            z-index: 1;
        }