/* roulang page: index */
:root {
            --primary: #1F3D2B;
            --primary-light: #2E5A40;
            --secondary: #C8A45C;
            --secondary-light: #E3C88F;
            --bg-base: #F5F1E8;
            --bg-dark: #14231B;
            --card-bg: #FFFFFF;
            --card-bg-alt: #FAF6ED;
            --text-primary: #1B1F1C;
            --text-secondary: #5C665E;
            --text-on-dark: #F2EDE0;
            --border: #E2DAC8;
            --success: #D4A94E;
            --shadow: 0 10px 30px rgba(31, 61, 43, 0.08);
            --shadow-hover: 0 16px 40px rgba(31, 61, 43, 0.16);
            --radius-card: 16px;
            --radius-ticket: 12px;
            --radius-btn: 999px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            background: var(--bg-base);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }

        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 3px solid rgba(200, 164, 92, .5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
            background: transparent;
            transition: background .4s ease, box-shadow .4s ease;
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            background: rgba(31, 61, 43, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 4px 24px rgba(20, 35, 27, 0.2);
        }

        .site-header .navbar {
            width: 100%;
            padding: 0;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-on-dark);
            padding: 0;
        }

        .brand-logo {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-weight: 800;
            font-size: 1.2rem;
            border: 1px solid rgba(200, 164, 92, .4);
            flex-shrink: 0;
        }

        .site-header .navbar-nav {
            align-items: center;
            gap: 6px;
        }

        .site-header .nav-link {
            color: rgba(242, 237, 224, .85);
            font-size: .95rem;
            font-weight: 500;
            padding: 10px 18px;
            position: relative;
            transition: color .2s;
        }

        .site-header .nav-link:hover {
            color: var(--text-on-dark);
        }

        .site-header .nav-link::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .2s ease;
        }

        .site-header .nav-link:hover::after {
            transform: scaleX(1);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 24px;
            border-radius: var(--radius-btn);
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            font-size: .92rem;
            border: none;
            transition: background .2s, transform .2s, box-shadow .2s;
            margin-left: 10px;
        }

        .btn-nav-cta:hover {
            background: var(--secondary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 164, 92, .3);
        }

        .navbar-toggler {
            border-color: rgba(242, 237, 224, .4);
            background: transparent;
            padding: 6px 10px;
        }

        .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='rgba%28242,237,224,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ---------- Breadcrumb ---------- */
        .breadcrumb-bar {
            margin-top: 72px;
            height: 44px;
            background: var(--card-bg-alt);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            font-size: .875rem;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }

        .breadcrumb-inner .back-link {
            color: var(--primary);
            font-weight: 600;
            margin-right: 4px;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background .2s;
        }

        .breadcrumb-inner .back-link:hover {
            background: rgba(31, 61, 43, .08);
        }

        .breadcrumb-inner a.crumb-link {
            color: var(--text-secondary);
            transition: color .2s;
        }

        .breadcrumb-inner a.crumb-link:hover {
            color: var(--primary);
        }

        .breadcrumb-inner .current {
            color: var(--text-secondary);
            font-weight: 600;
        }

        .crumb-sep {
            color: var(--border);
        }

        /* ---------- Hero ---------- */
        .hero-section {
            background: linear-gradient(135deg, #102017 0%, #1a2f24 55%, #1d3528 100%);
            padding: clamp(3.5rem, 7vw, 5.5rem) 0;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(/%23n)' opacity='0.04'/%3E%3C/svg%3E");
            pointer-events: none;
        }

        .hero-section::after {
            content: '选';
            position: absolute;
            right: -2rem;
            top: 50%;
            transform: translateY(-50%);
            font-size: 22rem;
            font-weight: 800;
            color: rgba(200, 164, 92, .04);
            line-height: 1;
            z-index: 0;
            pointer-events: none;
            user-select: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 164, 92, .15);
            border: 1px solid rgba(200, 164, 92, .4);
            color: var(--secondary-light);
            font-size: .8125rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .02em;
            margin-bottom: 1.5rem;
        }

        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulseDot 1.6s infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(200, 164, 92, .5);
            }
            50% {
                opacity: .7;
                box-shadow: 0 0 0 6px rgba(200, 164, 92, 0);
            }
        }

        .hero-section h1 {
            color: var(--text-on-dark);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: .01em;
            margin-bottom: 1.25rem;
        }

        .hero-section h1 .brand-gold {
            color: var(--secondary);
        }

        .hero-subtitle {
            color: rgba(242, 237, 224, .8);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            background: var(--secondary);
            color: #1a2c1e;
            font-weight: 700;
            font-size: .95rem;
            border: none;
            transition: background .2s, transform .2s, box-shadow .2s;
        }

        .btn-primary-hero:hover {
            background: var(--secondary-light);
            color: #1a2c1e;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(200, 164, 92, .3);
        }

        .btn-primary-hero:active {
            transform: translateY(0);
        }

        .btn-ghost-hero {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid rgba(242, 237, 224, .6);
            color: var(--text-on-dark);
            font-weight: 500;
            font-size: .95rem;
            transition: background .2s, border-color .2s, transform .2s;
        }

        .btn-ghost-hero:hover {
            background: rgba(242, 237, 224, .1);
            border-color: rgba(242, 237, 224, .8);
            color: var(--text-on-dark);
            transform: translateY(-2px);
        }

        /* Hero 视觉右侧 */
        .hero-visual {
            position: relative;
            padding-bottom: 40px;
        }

        .hero-poster-wrap {
            position: relative;
            max-width: 440px;
            margin-left: auto;
        }

        .hero-poster {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-card);
            border: 1px solid rgba(200, 164, 92, .3);
            box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
            position: relative;
            z-index: 2;
        }

        .ticket-card {
            position: relative;
            z-index: 3;
            background: var(--card-bg);
            border-radius: var(--radius-ticket);
            padding: 20px 24px 18px;
            max-width: 340px;
            margin: -46px 0 0 auto;
            margin-right: 20px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
        }

        .ticket-card::before {
            content: '';
            position: absolute;
            top: 20px;
            left: -8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #1a2f24;
        }

        .ticket-card .ticket-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(200, 164, 92, .18);
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 12px;
        }

        .ticket-card .ticket-row {
            display: flex;
            justify-content: space-between;
            font-size: .875rem;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .ticket-card .ticket-row strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .ticket-card .ticket-status {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(212, 169, 78, .12);
            color: var(--success);
            font-size: .8rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-top: 12px;
        }

        .ticket-card .ticket-status.dot::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--success);
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            border: 1px solid rgba(242, 237, 224, .4);
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            color: rgba(242, 237, 224, .6);
            transition: border-color .2s, color .2s, transform .2s;
        }

        .hero-scroll-indicator:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateX(-50%) translateY(3px);
        }

        .hero-scroll-indicator svg {
            width: 16px;
            height: 16px;
        }

        /* ---------- 通用 section ---------- */
        .section-block {
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .section-head {
            margin-bottom: 2.5rem;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            padding-left: 18px;
            border-left: 4px solid var(--secondary);
            margin-bottom: .75rem;
        }

        .section-head p {
            color: var(--text-secondary);
            max-width: 680px;
            font-size: .95rem;
            line-height: 1.7;
        }

        /* ---------- 痛点区 ---------- */
        .pain-points {
            background: var(--bg-base);
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .pain-card {
            background: var(--card-bg);
            border-radius: var(--radius-ticket);
            padding: 32px 26px 36px;
            position: relative;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
        }

        .pain-card:nth-child(1) {
            transform: rotate(-1deg);
        }

        .pain-card:nth-child(2) {
            transform: rotate(0deg);
        }

        .pain-card:nth-child(3) {
            transform: rotate(1deg);
        }

        .pain-card:hover {
            transform: rotate(0deg) translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .pain-card::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 12px;
            background-image: radial-gradient(circle at 6px 0, var(--bg-base) 5px, transparent 6px);
            background-size: 18px 12px;
        }

        .pain-num {
            position: absolute;
            top: -15px;
            left: 26px;
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--card-bg);
            font-size: .8125rem;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(31, 61, 43, .2);
            z-index: 2;
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .pain-card p {
            color: var(--text-secondary);
            font-size: .925rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .pain-card .pain-retort {
            font-size: .875rem;
            color: var(--primary);
            font-weight: 600;
            border-top: 1px dashed var(--border);
            padding-top: 12px;
        }

        /* ---------- 解决方案 ---------- */
        .solution-section {
            background: var(--card-bg);
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .solution-sticky {
            position: sticky;
            top: 100px;
            align-self: flex-start;
        }

        .solution-sticky h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            padding-left: 18px;
            border-left: 4px solid var(--secondary);
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .solution-sticky>p {
            color: var(--text-secondary);
            font-size: .95rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .solution-sticky-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 340px;
        }

        .solution-sticky-img img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .solution-steps {
            position: relative;
            padding-left: 26px;
        }

        .solution-steps::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 20px;
            bottom: 20px;
            border-left: 2px dashed var(--border);
        }

        .step-item {
            display: flex;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            margin-bottom: 28px;
            position: relative;
            transition: background .2s, box-shadow .2s, border-color .2s;
            box-shadow: 0 4px 16px rgba(31, 61, 43, .04);
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 50%;
            transform: translateY(-50%);
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary);
            border: 2px solid var(--card-bg);
            box-shadow: 0 0 0 2px rgba(200, 164, 92, .3);
        }

        .step-item:hover {
            background: var(--bg-base);
            border-color: rgba(200, 164, 92, .5);
            box-shadow: var(--shadow);
        }

        .step-num {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            min-width: 70px;
            text-align: center;
            transition: color .2s;
        }

        .step-item:hover .step-num {
            color: var(--primary);
        }

        .step-content {
            flex: 1;
            padding: 0 16px;
        }

        .step-content h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .step-content p {
            font-size: .875rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .step-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            transition: background .2s, border-color .2s, color .2s;
        }

        .step-item:hover .step-arrow {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--text-on-dark);
        }

        .step-arrow svg {
            width: 18px;
            height: 18px;
        }

        /* ---------- 成果区 ---------- */
        .result-section {
            background: var(--bg-dark);
            padding: clamp(4rem, 8vw, 6.5rem) 0;
            position: relative;
            overflow: hidden;
        }

        .result-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(/%23n)' opacity='0.03'/%3E%3C/svg%3E");
            pointer-events: none;
        }

        .result-section .section-head h2 {
            color: var(--text-on-dark);
            border-left-color: var(--secondary);
        }

        .result-section .section-head p {
            color: rgba(242, 237, 224, .7);
        }

        .stat-row {
            margin-bottom: 3rem;
        }

        .stat-col {
            text-align: center;
            padding: 1.5rem 1rem;
            position: relative;
        }

        .stat-col+.stat-col::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: linear-gradient(to bottom, transparent, rgba(242, 237, 224, .2), transparent);
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-unit {
            font-size: .875rem;
            color: rgba(242, 237, 224, .7);
            margin-bottom: 8px;
            letter-spacing: .04em;
        }

        .stat-desc {
            font-size: .875rem;
            color: rgba(242, 237, 224, .5);
        }

        .cover-card-row {
            margin-top: 1rem;
        }

        .cover-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
            border: 1px solid rgba(255, 255, 255, .08);
            height: 100%;
        }

        .cover-card img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .cover-card:hover img {
            transform: scale(1.05);
        }

        .cover-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 35, 27, .85), transparent 65%);
            transition: opacity .3s;
            opacity: .9;
        }

        .cover-card:hover::after {
            opacity: 1;
        }

        .cover-card-body {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 18px 20px;
            z-index: 1;
        }

        .cover-card-tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            background: rgba(200, 164, 92, .25);
            border: 1px solid rgba(200, 164, 92, .3);
            color: var(--secondary-light);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
            backdrop-filter: blur(4px);
        }

        .cover-card-body h3 {
            color: var(--text-on-dark);
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0;
            line-height: 1.4;
        }

        /* ---------- 客户证言 ---------- */
        .testimonials {
            background: var(--bg-base);
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .testimonials-intro {
            padding-right: 24px;
        }

        .testimonials-intro h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            padding-left: 18px;
            border-left: 4px solid var(--secondary);
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .testimonials-intro p {
            color: var(--text-secondary);
            font-size: .95rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-ticket);
            padding: 28px 26px 34px;
            position: relative;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: border-color .2s, box-shadow .2s, transform .2s;
            height: 100%;
        }

        .testimonial-card:hover {
            border-color: rgba(200, 164, 92, .6);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .testimonial-card::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 12px;
            background-image: radial-gradient(circle at 8px 0, var(--bg-base) 5px, transparent 6px);
            background-size: 22px 12px;
        }

        .testimonial-quote-mark {
            font-size: 4rem;
            font-weight: 800;
            line-height: .6;
            color: rgba(200, 164, 92, .35);
            margin-bottom: 12px;
            font-family: Georgia, serif;
        }

        .testimonial-card blockquote {
            font-size: .925rem;
            line-height: 1.8;
            color: var(--text-primary);
            margin-bottom: 18px;
            min-height: 90px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--text-on-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: .85rem;
            flex-shrink: 0;
        }

        .testimonial-author strong {
            font-size: .9rem;
            color: var(--text-primary);
            display: block;
            line-height: 1.2;
        }

        .testimonial-author span {
            font-size: .8rem;
            color: var(--text-secondary);
        }

        .testimonial-stars {
            display: flex;
            gap: 2px;
            margin-bottom: 10px;
        }

        .testimonial-stars svg {
            width: 15px;
            height: 15px;
            fill: var(--success);
        }

        .testimonial-stars svg.empty {
            fill: var(--border);
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            background: var(--card-bg);
            padding: clamp(4rem, 8vw, 6.5rem) 0;
        }

        .faq-section .accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: 0 6px 20px rgba(31, 61, 43, .08);
        }

        .accordion-button {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--card-bg);
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background .2s, color .2s;
        }

        .accordion-button:hover {
            background: var(--card-bg-alt);
        }

        .accordion-button:not(.collapsed) {
            background: var(--card-bg-alt);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button::after {
            display: none;
        }

        .accordion-item .faq-toggle-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
            font-weight: 600;
            transition: background .2s, border-color .2s, transform .2s;
            flex-shrink: 0;
        }

        .accordion-button:not(.collapsed) .faq-toggle-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--text-on-dark);
            transform: rotate(45deg);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: .925rem;
            line-height: 1.75;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(to bottom, rgba(20, 35, 27, .82), rgba(20, 35, 27, .9)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: clamp(4.5rem, 9vw, 7rem) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 164, 92, .12), transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            color: var(--text-on-dark);
            font-size: clamp(1.75rem, 3.2vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: .75rem;
        }

        .cta-section p {
            color: rgba(242, 237, 224, .75);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 44px;
            border-radius: var(--radius-btn);
            background: var(--secondary);
            color: #1a2c1e;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: background .2s, transform .2s, box-shadow .2s;
            box-shadow: 0 8px 30px rgba(200, 164, 92, .35);
        }

        .btn-cta-large:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 14px 38px rgba(200, 164, 92, .45);
        }

        .btn-cta-large:active {
            transform: translateY(0);
        }

        .cta-tip {
            margin-top: 1.25rem;
            font-size: .8125rem;
            color: rgba(242, 237, 224, .5);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--bg-dark);
            padding: clamp(3rem, 6vw, 5rem) 0 0;
            border-top: 1px solid rgba(200, 164, 92, .2);
            color: rgba(242, 237, 224, .7);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-logo {
            width: 38px;
            height: 38px;
            font-size: 1rem;
        }

        .site-footer .footer-brand strong {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-on-dark);
        }

        .site-footer .footer-desc {
            font-size: .875rem;
            line-height: 1.7;
            color: rgba(242, 237, 224, .6);
            max-width: 320px;
            margin-bottom: 0;
        }

        .site-footer h4 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--text-on-dark);
            letter-spacing: .05em;
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li a {
            color: rgba(242, 237, 224, .65);
            font-size: .9rem;
            line-height: 2.2;
            transition: color .2s;
        }

        .footer-links li a:hover {
            color: var(--secondary);
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .9rem;
            color: rgba(242, 237, 224, .65);
            line-height: 2;
        }

        .footer-contact li svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 16px 0;
            margin-top: 3rem;
            text-align: center;
        }

        .footer-bottom .container {
            font-size: .8125rem;
            color: rgba(242, 237, 224, .45);
        }

        .footer-bottom a {
            color: rgba(242, 237, 224, .6);
        }

        .footer-bottom a:hover {
            color: var(--secondary);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 991.98px) {
            .site-header {
                background: rgba(31, 61, 43, 0.85);
                backdrop-filter: blur(8px);
            }
            .site-header .navbar-collapse {
                background: rgba(31, 61, 43, 0.96);
                padding: 16px 20px;
                border-radius: 12px;
                margin-top: 10px;
            }
            .site-header .navbar-nav {
                gap: 4px;
                align-items: flex-start;
            }
            .site-header .nav-link {
                padding: 10px 12px;
                width: 100%;
            }
            .site-header .nav-link::after {
                left: 12px;
                right: 12px;
            }
            .btn-nav-cta {
                margin-top: 10px;
                margin-left: 0;
                width: 100%;
            }
            .breadcrumb-bar {
                height: auto;
                padding: 6px 0;
            }
            .breadcrumb-inner .crumb-hidden-md {
                display: none;
            }
            .solution-sticky {
                position: static;
                margin-bottom: 2.5rem;
            }
            .testimonials-intro {
                margin-bottom: 2rem;
                padding-right: 0;
            }
            .stat-col+.stat-col::before {
                left: auto;
                top: auto;
                bottom: auto;
                width: 100%;
                height: 1px;
                background: linear-gradient(to right, transparent, rgba(242, 237, 224, .15), transparent);
                position: absolute;
                top: 0;
                left: 0;
            }
            .ticket-card {
                margin-right: 0;
            }
            .hero-poster-wrap {
                margin-left: 0;
                margin-top: 3rem;
                max-width: 100%;
            }
            .hero-actions {
                flex-direction: row;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .breadcrumb-inner .crumb-hide-sm {
                display: none;
            }
            .hero-section {
                padding: 3rem 0 4rem;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: .95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-poster-wrap {
                margin-top: 2rem;
            }
            .ticket-card {
                max-width: 100%;
                margin: -30px 0 0;
            }
            .pain-card {
                margin-bottom: 28px;
            }
            .step-item {
                flex-wrap: wrap;
                padding: 18px;
            }
            .step-num {
                min-width: 52px;
                font-size: 1.6rem;
            }
            .step-content {
                padding: 0 10px;
            }
            .step-arrow {
                display: none;
            }
            .solution-steps {
                padding-left: 20px;
            }
            .solution-steps::before {
                left: 6px;
            }
            .step-item::before {
                left: -18px;
            }
            .stat-col {
                padding: 1rem;
            }
            .cover-card {
                margin-bottom: 20px;
            }
            .testimonial-card {
                margin-bottom: 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .site-footer .col-lg-4 {
                margin-bottom: 2rem;
            }
            .footer-bottom {
                text-align: center;
            }
        }

        @media (min-width: 768px) and (max-width: 991.98px) {
            .pain-card {
                margin-bottom: 24px;
            }
            .cover-card {
                margin-bottom: 20px;
            }
            .testimonial-card {
                margin-bottom: 24px;
            }
        }

        @media (min-width: 1200px) {
            .hero-poster-wrap {
                max-width: 460px;
            }
        }
