:root {
            --primary: #1F6F8B;
            --primary-rgb: 31, 111, 139;
            --accent: #C0825A;
            --accent-dark: #A96F4A;
            --accent-rgb: 192, 130, 90;
            --bg-body: #F6F9FB;
            --bg-card: #FFFFFF;
            --bg-secondary: #EDF3F6;
            --text-heading: #16232E;
            --text-body: #3E5261;
            --text-muted: #7A8F9E;
            --border-color: #E1EAF0;
            --border-input: #D5E2E9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(31, 111, 139, 0.06);
            --shadow-card-hover: 0 8px 30px rgba(31, 111, 139, 0.12);
            --shadow-nav: 0 2px 12px rgba(22, 35, 46, 0.06);
            --spacer-section: 80px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
            color: var(--text-heading);
            font-weight: 700;
            line-height: 1.3;
        }

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

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

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

        button:focus, .btn:focus, .form-control:focus, .form-select:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.18) !important;
            border-color: var(--primary) !important;
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 10px 24px;
            border: 1.5px solid transparent;
            transition: var(--transition);
        }

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

        .btn-primary-custom:hover {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(192, 130, 90, 0.3);
        }

        .btn-primary-custom:active {
            background-color: #965f3d;
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline-custom:hover {
            background-color: rgba(var(--primary-rgb), 0.06);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-outline-custom:active {
            background-color: rgba(var(--primary-rgb), 0.12);
            transform: translateY(0);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: #F6F9FB;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

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

        .container {
            max-width: 1200px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.98);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .navbar {
            padding: 0;
            min-height: 72px;
            transition: var(--transition);
        }

        .site-header.scrolled .navbar {
            min-height: 60px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-heading) !important;
            padding: 8px 0;
        }

        .navbar-brand svg {
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background-color: rgba(var(--primary-rgb), 0.04);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: transparent;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--primary);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15) !important;
        }

        .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='%231F6F8B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        .stage-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 16px;
            flex-shrink: 0;
        }

        .stage-chip {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(var(--primary-rgb), 0.3);
            color: var(--primary);
            background: #fff;
            white-space: nowrap;
            transition: var(--transition);
        }

        .stage-chip.live {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            display: inline-block;
            animation: breathe 1.6s ease-in-out infinite;
        }

        @keyframes breathe {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.75); }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 72px 0 56px;
            background: var(--bg-body);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 580px;
            height: 580px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.05);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.1), transparent);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid rgba(var(--primary-rgb), 0.35);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.05);
        }

        .hero-title {
            font-size: 2.5rem;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--text-heading);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .hero-trust {
            font-size: 0.875rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
            margin-top: 8px;
        }

        .hero-trust span {
            display: inline-block;
            margin: 0 6px;
        }

        .hero-trust span:first-child {
            margin-left: 0;
        }

        .hero-media {
            position: relative;
            border-radius: var(--radius-card);
            border: 1px solid rgba(var(--primary-rgb), 0.1);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .hero-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-card);
            display: block;
        }

        .hero-media .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 72px;
            height: 72px;
            background: rgba(255, 255, 255, 0.88);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
            cursor: default;
        }

        .hero-media:hover .play-btn {
            transform: translate(-50%, -50%) scale(1.05);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.22);
        }

        .slot-card {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(6px);
            border-radius: var(--radius-card);
            padding: 12px 18px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            font-size: 0.875rem;
        }

        .slot-card .slot-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }

        .slot-card .slot-times {
            display: flex;
            gap: 6px;
            margin-top: 6px;
        }

        .slot-card .slot-btn {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(var(--primary-rgb), 0.4);
            color: var(--primary);
            background: #fff;
            font-weight: 600;
            transition: var(--transition);
            cursor: default;
        }

        .slot-card .slot-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 阶段状态条 ===== */
        .process-strip {
            background: var(--bg-secondary);
            padding: 36px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .process-strip .container {
            display: flex;
            justify-content: space-between;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            padding-bottom: 4px;
        }

        .process-strip .container::-webkit-scrollbar {
            display: none;
        }

        .process-step {
            display: flex;
            align-items: center;
            flex: 1 0 auto;
            gap: 12px;
            padding: 0 16px;
            min-width: 170px;
        }

        .process-step .step-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            font-weight: 600;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .process-step.done .step-dot {
            background: var(--accent);
            color: #fff;
        }

        .process-step.current .step-dot {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 0 6px rgba(var(--primary-rgb), 0.15);
            width: 46px;
            height: 46px;
        }

        .process-step.upcoming .step-dot {
            background: #d5dfe6;
            color: var(--text-muted);
        }

        .process-step .step-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-heading);
            white-space: nowrap;
        }

        .process-step .step-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .process-connector {
            flex: 1;
            height: 2px;
            background: #d5dfe6;
            border-radius: 2px;
            min-width: 20px;
            margin: 0 8px;
            position: relative;
        }

        .process-connector.done-line {
            background: var(--accent);
        }

        /* ===== 通用板块 ===== */
        .section-pad {
            padding: var(--spacer-section) 0;
        }

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

        .section-heading .sub-label {
            font-size: 0.875rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
        }

        .section-heading h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-heading .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 680px;
        }

        /* ===== 功能卡片 ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(var(--primary-rgb), 0.15);
        }

        .feature-card .feature-num {
            position: absolute;
            right: 16px;
            bottom: 10px;
            font-family: 'Noto Serif SC', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: rgba(var(--primary-rgb), 0.07);
            line-height: 1;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: rgba(var(--primary-rgb), 0.12);
        }

        .feature-icon svg {
            width: 24px;
            height: 24px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 10px;
            font-family: 'Noto Sans SC', sans-serif;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== 场景卡片 ===== */
        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            margin-bottom: 32px;
        }

        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(var(--primary-rgb), 0.1);
        }

        .scene-card .row {
            align-items: stretch;
        }

        .scene-media {
            position: relative;
            min-height: 260px;
            overflow: hidden;
        }

        .scene-media img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }

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

        .scene-duration {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(4px);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-heading);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        .scene-body {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .scene-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 2.25rem;
            font-weight: 700;
            color: rgba(var(--primary-rgb), 0.15);
            line-height: 1;
            margin-bottom: 12px;
        }

        .scene-body h3 {
            font-size: 1.375rem;
            margin-bottom: 14px;
        }

        .scene-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 420px;
        }

        /* ===== 案例feed ===== */
        .case-section {
            background: var(--bg-secondary);
        }

        .case-feed {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            border-left: 3px solid transparent;
        }

        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-left-color: var(--primary);
            border-top-color: var(--border-color);
        }

        .case-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 14px;
        }

        .case-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            font-weight: 600;
            font-family: 'Noto Serif SC', serif;
            flex-shrink: 0;
        }

        .case-meta {
            flex: 1;
        }

        .case-name {
            font-weight: 600;
            color: var(--text-heading);
            font-size: 0.95rem;
        }

        .case-region {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .case-badge {
            background: rgba(192, 130, 90, 0.12);
            border: 1px solid rgba(192, 130, 90, 0.4);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .case-comment {
            font-size: 0.925rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .case-footer {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .case-stars {
            color: var(--accent);
            font-size: 0.925rem;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .case-tags {
            display: flex;
            gap: 6px;
        }

        .case-tag {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }

        /* ===== 价格 ===== */
        .price-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
            text-align: left;
        }

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

        .price-card.hot {
            border-top: 4px solid var(--accent);
            box-shadow: 0 8px 32px rgba(var(--primary-rgb), 0.1);
        }

        .price-card.hot:hover {
            box-shadow: 0 12px 36px rgba(var(--primary-rgb), 0.16);
        }

        .price-hot-tag {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
        }

        .price-name {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
            font-family: 'Noto Sans SC', sans-serif;
        }

        .price-value {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            font-family: 'Noto Sans SC', sans-serif;
        }

        .price-value small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .price-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        .price-list {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
            flex-grow: 1;
        }

        .price-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-body);
        }

        .price-list li i {
            color: var(--accent);
            font-size: 1rem;
            line-height: 1.5;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            background: var(--bg-card);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.03);
            transition: var(--transition);
        }

        .faq-section .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-section .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(var(--primary-rgb), 0.35);
            background: rgba(var(--primary-rgb), 0.02);
        }

        .faq-section .accordion-button {
            background: transparent;
            color: var(--text-heading);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            border-radius: var(--radius-card) !important;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(var(--primary-rgb), 0.04);
            color: var(--primary);
        }

        .faq-section .accordion-button:focus {
            box-shadow: none !important;
            border: none;
        }

        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='18' height='18' fill='none' stroke='%231F6F8B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
            background-size: 18px;
            transition: var(--transition);
        }

        .faq-section .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='18' height='18' fill='none' stroke='%231F6F8B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
        }

        .faq-section .accordion-body {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.925rem;
            line-height: 1.75;
            background: transparent;
            border-top: 1px solid rgba(var(--primary-rgb), 0.06);
            margin-top: 2px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0 0 var(--spacer-section);
        }

        .cta-box {
            background: rgba(var(--primary-rgb), 0.06);
            border: 1px solid rgba(var(--primary-rgb), 0.15);
            border-radius: 16px;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(var(--primary-rgb), 0.05);
        }

        .cta-box h2 {
            font-size: 1.625rem;
            margin-bottom: 8px;
        }

        .cta-box .cta-desc {
            color: var(--text-muted);
            font-size: 0.925rem;
            margin-bottom: 28px;
        }

        .cta-form {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            align-items: center;
        }

        .cta-form .form-control {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-input);
            padding: 10px 14px;
            background: #fff;
            font-size: 0.9rem;
            max-width: 200px;
            transition: var(--transition);
        }

        .cta-form .form-control::placeholder {
            color: var(--text-muted);
        }

        .cta-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
        }

        .cta-privacy {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 14px;
            display: block;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--text-heading);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            font-size: 0.875rem;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 14px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .site-footer .footer-title {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            font-family: 'Noto Sans SC', sans-serif;
        }

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

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 260px;
            margin-bottom: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact li i {
            color: rgba(var(--primary-rgb), 0.6);
            font-size: 0.9rem;
            width: 16px;
        }

        /* ===== 浮动按钮 ===== */
        .floating-action {
            position: fixed;
            bottom: 32px;
            right: 32px;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .floating-action .fab-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
            border: none;
            color: #fff;
        }

        .floating-action .fab-btn:hover {
            transform: scale(1.08);
        }

        .fab-phone {
            background: var(--primary);
        }

        .fab-wechat {
            background: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-section {
                padding-top: 48px;
            }
            .hero-media img {
                height: 300px;
            }
            .scene-body {
                padding: 28px;
            }
            .stage-chips {
                margin-left: 0;
                margin-top: 8px;
                overflow-x: auto;
                scrollbar-width: none;
                padding-bottom: 8px;
            }
            .stage-chips::-webkit-scrollbar {
                display: none;
            }
            .navbar-collapse {
                padding: 12px 0;
                border-top: 1px solid var(--border-color);
                margin-top: 4px;
            }
            .navbar-nav {
                gap: 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 12px;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(var(--primary-rgb), 0.06);
                border-radius: 6px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacer-section: 48px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-media img {
                height: 240px;
            }
            .slot-card {
                padding: 10px 14px;
            }
            .slot-card .slot-btn {
                font-size: 0.7rem;
                padding: 3px 8px;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
            .scene-body {
                padding: 24px;
            }
            .price-card {
                margin-bottom: 16px;
            }
            .cta-box {
                padding: 30px 20px;
            }
            .cta-form .form-control {
                max-width: 100%;
                flex: 1 0 100%;
            }
            .floating-action {
                bottom: 20px;
                right: 20px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
            .process-step {
                min-width: 140px;
            }
            .case-card {
                padding: 18px;
            }
        }

        @media (max-width: 575.98px) {
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form .form-control {
                max-width: 100%;
            }
            .hero-trust span {
                display: block;
                margin: 4px 0;
            }
        }