:root {
            --primary: #5A3A2A;
            --primary-dark: #4A2C17;
            --accent: #C9962E;
            --accent-dark: #A87A1F;
            --bg: #F7F3EC;
            --card-bg: #FFFFFF;
            --text: #33302C;
            --text-light: #6E675E;
            --text-muted: #9C948A;
            --border: #E4DCCD;
            --success-green: #8A9A5B;
            --radius: 12px;
            --radius-sm: 6px;
            --shadow: 0 2px 12px rgba(90, 58, 42, 0.06);
            --shadow-lg: 0 8px 24px rgba(90, 58, 42, 0.10);
            --transition: all 0.2s ease;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--primary-dark);
            font-weight: 600;
            line-height: 1.3;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 64px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            color: var(--accent-dark);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-lead {
            color: var(--text-light);
            font-size: 16px;
            max-width: 720px;
            line-height: 1.9;
            margin-bottom: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary-brand {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(201, 150, 46, 0.25);
        }

        .btn-primary-brand:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(201, 150, 46, 0.35);
        }

        .btn-outline-brand {
            background: transparent;
            color: var(--primary-dark);
            border: 1px solid var(--primary-dark);
        }

        .btn-outline-brand:hover {
            background: rgba(90, 58, 42, 0.06);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        .btn-light-brand {
            background: #fff;
            color: var(--primary-dark);
        }

        .btn-light-brand:hover {
            background: var(--bg);
            color: var(--primary-dark);
            transform: translateX(3px);
            box-shadow: var(--shadow);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--primary-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .site-header .navbar {
            padding: 0;
            min-height: 64px;
        }

        .navbar-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--bg) !important;
            letter-spacing: 0.02em;
            padding: 0;
            line-height: 64px;
            white-space: nowrap;
        }

        .navbar-brand i {
            color: var(--accent);
            margin-right: 4px;
        }

        .navbar-nav .nav-link {
            color: rgba(247, 243, 236, 0.85) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 0 20px !important;
            line-height: 64px;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff !important;
            border-bottom-color: var(--accent);
        }

        .city-dropdown {
            margin-left: 16px;
        }

        .btn-city {
            background: rgba(255, 255, 255, 0.08);
            color: var(--bg);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
        }

        .btn-city:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-city.dropdown-toggle::after {
            display: none;
        }

        .city-dropdown .dropdown-menu {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 8px;
            margin-top: 8px;
        }

        .city-dropdown .dropdown-item {
            font-size: 14px;
            color: var(--primary-dark);
            border-radius: 8px;
            padding: 10px 14px;
        }

        .city-dropdown .dropdown-item:hover {
            background: #F0E9DC;
            color: var(--primary-dark);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--accent);
        }

        @media (max-width: 991.98px) {
            .navbar-brand {
                line-height: 56px;
                font-size: 16px;
            }

            .navbar-nav .nav-link {
                line-height: 44px;
                padding: 0 16px !important;
                border-bottom: none;
                border-left: 3px solid transparent;
            }

            .navbar-nav .nav-link:hover,
            .navbar-nav .nav-link.active {
                border-left-color: var(--accent);
                background: rgba(255, 255, 255, 0.05);
            }

            .city-dropdown {
                margin-left: 0;
                margin: 8px 16px 16px;
            }

            .city-dropdown .btn-city {
                display: block;
                text-align: center;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 96px 0 104px;
            color: #fff;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(74, 44, 23, 0.92) 0%, rgba(74, 44, 23, 0.78) 55%, rgba(90, 58, 42, 0.55) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(201, 150, 46, 0.4);
            color: #F0E9DC;
            font-size: 13px;
            border-radius: 50px;
            padding: 6px 16px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.35;
            max-width: 680px;
        }

        .hero h1 .highlight {
            color: var(--accent);
        }

        .hero-sub {
            font-size: 16px;
            color: rgba(247, 243, 236, 0.92);
            max-width: 640px;
            line-height: 1.95;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 13px;
            color: rgba(247, 243, 236, 0.7);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            margin-top: 8px;
        }

        .hero-meta span i {
            color: var(--accent);
            margin-right: 6px;
        }

        @media (max-width: 767.98px) {
            .hero {
                padding: 56px 0 64px;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                justify-content: center;
            }
        }

        /* Pain Section */
        .pain-section {
            padding: 72px 0 56px;
            background: var(--bg);
        }

        .pain-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }

        .pain-lead {
            color: var(--text-light);
            line-height: 1.95;
        }

        .pain-item {
            display: flex;
            gap: 14px;
            margin-top: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

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

        .pain-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(201, 150, 46, 0.12);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .pain-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .pain-item p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 991.98px) {
            .pain-title {
                font-size: 26px;
            }
        }

        /* Solution Section */
        .solution-section {
            background: #FCFAF6;
            padding: 72px 0;
        }

        .solution-image-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 320px;
            background-image: url('/assets/images/coverpic/cover-1.jpg');
            background-size: cover;
            background-position: center;
        }

        .solution-content {
            padding-left: 16px;
        }

        .solution-item {
            display: flex;
            gap: 18px;
            padding: 18px 0 18px 16px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .solution-item:hover {
            border-left-color: var(--accent);
            background: rgba(201, 150, 46, 0.04);
            border-radius: 0 10px 10px 0;
        }

        .solution-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            font-style: italic;
            min-width: 44px;
        }

        .solution-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .solution-item p {
            font-size: 15px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 991.98px) {
            .solution-image-wrap {
                min-height: 260px;
                margin-bottom: 24px;
            }

            .solution-content {
                padding-left: 0;
            }
        }

        /* Stats Section */
        .stats-section {
            background: var(--primary-dark);
            padding: 56px 0;
            color: #fff;
        }

        .stats-section .section-label {
            color: var(--accent);
        }

        .stat-box {
            text-align: center;
            padding: 24px 12px;
        }

        .stat-number {
            font-size: 56px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-number .suffix {
            font-size: 28px;
            color: var(--accent);
        }

        .stat-label {
            font-size: 14px;
            color: rgba(247, 243, 236, 0.72);
            margin-top: 10px;
            font-weight: 500;
        }

        @media (max-width: 767.98px) {
            .stat-number {
                font-size: 38px;
            }

            .stat-number .suffix {
                font-size: 20px;
            }

            .stats-section {
                padding: 40px 0;
            }
        }

        /* Testimonials */
        .testimonials-section {
            background: var(--bg);
            padding: 72px 0;
        }

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 15px;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }

        .testimonial-text {
            color: var(--text);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .testimonial-location {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section {
            background: #FCFAF6;
            padding: 72px 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 14px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            padding-bottom: 20px;
        }

        /* News / CMS */
        .news-section {
            background: var(--bg);
            padding: 72px 0;
        }

        .news-section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 20px;
        }

        .news-section-header .section-lead {
            margin-top: 8px;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .news-item:first-child {
            padding-top: 0;
        }

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

        .news-meta-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-cat {
            display: inline-block;
            background: rgba(201, 150, 46, 0.12);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 50px;
        }

        .news-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0;
            line-height: 1.5;
            transition: var(--transition);
        }

        .news-item h3 a:hover {
            color: var(--accent-dark);
        }

        .news-item p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .news-feature {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .news-feature:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .news-feature-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-feature-body {
            padding: 20px;
        }

        .news-feature-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary-dark);
            line-height: 1.5;
        }

        .news-feature-body p {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 10px;
        }

        .news-empty {
            background: rgba(247, 243, 236, 0.6);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 48px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }

        .news-empty i {
            font-size: 32px;
            color: var(--border);
            display: block;
            margin-bottom: 12px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(74, 44, 23, 0.72);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(247, 243, 236, 0.85);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.9;
        }

        .cta-section .btn {
            font-size: 16px;
            padding: 12px 32px;
        }

        @media (max-width: 767.98px) {
            .cta-section h2 {
                font-size: 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(247, 243, 236, 0.72);
            padding: 64px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand i {
            color: var(--accent);
            margin-right: 6px;
        }

        .site-footer .footer-desc {
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-links a {
            display: block;
            color: rgba(247, 243, 236, 0.72);
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-contact-item i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-contact-item .footer-link-btn {
            color: var(--accent);
            font-weight: 600;
        }

        .footer-form .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 14px;
            padding: 10px 16px;
            margin-bottom: 12px;
        }

        .footer-form .form-control::placeholder {
            color: rgba(247, 243, 236, 0.5);
        }

        .footer-form .form-control:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 150, 46, 0.15);
            color: #fff;
        }

        .footer-form textarea.form-control {
            min-height: 80px;
            resize: vertical;
        }

        .footer-form .btn {
            width: 100%;
        }

        .form-success {
            display: none;
            background: rgba(138, 154, 91, 0.15);
            border: 1px solid rgba(138, 154, 91, 0.5);
            color: #B5C99A;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 13px;
            margin-top: 8px;
            text-align: center;
        }

        .form-success.visible {
            display: block;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 20px 0;
            font-size: 13px;
            text-align: center;
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .news-section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-title {
                font-size: 23px;
            }

            .hero h1 {
                font-size: 23px;
            }

            .pain-title {
                font-size: 23px;
            }

            .solution-item {
                padding-left: 8px;
            }

            .footer-form .btn {
                justify-content: center;
            }
        }

/* ===== 设计变量 ===== */
:root {
    --primary: #4A2C17;
    --primary-light: #5A3A2A;
    --accent: #C9962E;
    --accent-dark: #B8860B;
    --accent-soft: rgba(201, 150, 46, 0.15);
    --bg: #F7F3EC;
    --card-bg: #FFFFFF;
    --card-warm: #FCFAF6;
    --text: #33302C;
    --text-weak: #6E675E;
    --text-muted: #9C948A;
    --border: #E4DCCD;
    --success: #8A9A5B;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 12px rgba(90, 58, 42, 0.06);
    --shadow-hover: 0 8px 24px rgba(90, 58, 42, 0.10);
    --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    color: var(--primary);
    line-height: 1.35;
    margin-top: 0;
}
a {
    color: var(--accent-dark);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover { color: var(--accent); }
img { max-width: 100%; }
button, input, textarea { font-family: var(--font-family); }
.container { max-width: 1200px; }

/* ===== 导航 ===== */
.site-header {
    background: var(--primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
}
.navbar { padding: 14px 0; }
.navbar-brand {
    color: #F7F3EC;
    font-size: 18px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.02em;
}
.navbar-brand i { color: var(--accent); font-size: 20px; }
.navbar-brand:hover { color: #fff; }
.navbar-nav { gap: 6px; }
.nav-link {
    color: rgba(247, 243, 236, 0.78) !important;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 18px !important;
    border-radius: 6px;
    position: relative;
    transition: color .2s;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .2s ease;
}
.nav-link:hover, .nav-link.active { color: #fff !important; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.navbar-toggler {
    border-color: rgba(247, 243, 236, 0.4);
    border-radius: 8px;
    padding: 6px 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(201, 150, 46, 0.25); }
.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%28247,243,236,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.btn-city {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(247, 243, 236, 0.25);
    color: #F7F3EC;
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    transition: all .2s ease;
}
.btn-city:hover, .btn-city:focus {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border-color: var(--accent);
}
.dropdown-menu {
    background: var(--card-warm);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 10px 28px rgba(74, 44, 23, 0.14);
    padding: 8px;
    min-width: 220px;
}
.dropdown-item {
    border-radius: 6px;
    font-size: 14px;
    color: var(--primary-light);
    padding: 10px 14px;
    transition: background .15s ease, color .15s ease;
}
.dropdown-item i { color: var(--accent); width: 18px; }
.dropdown-item:hover {
    background: #F0E9DC;
    color: var(--primary);
}

/* ===== 页面主体 ===== */
.page-main { padding: 48px 0 80px; min-height: 60vh; }

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.breadcrumb-wrap a { color: var(--text-muted); transition: color .2s; }
.breadcrumb-wrap a:hover { color: var(--accent); }
.breadcrumb-wrap i { font-size: 10px; color: var(--text-muted); }
.breadcrumb-wrap .current {
    color: var(--primary);
    font-weight: 500;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== 文章详情 ===== */
.article-shell {
    max-width: 840px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 52px 56px;
    border: 1px solid rgba(228, 220, 205, 0.5);
}
.article-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.4;
    margin-bottom: 14px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    padding-bottom: 22px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--accent); font-size: 14px; }
.article-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 2.0;
    color: var(--text);
}
.article-content p { margin-bottom: 1.5em; }
.article-content h2 {
    font-size: 26px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 1.6em;
    margin-bottom: 0.7em;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 1.5em;
    margin-bottom: 0.6em;
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 1.4em;
    margin-bottom: 0.5em;
}
.article-content img {
    max-width: 100%;
    border-radius: var(--radius-md);
    margin: 1.2em 0;
}
.article-content blockquote {
    border-left: 3px solid var(--accent);
    background: var(--bg);
    padding: 18px 22px;
    border-radius: 0 10px 10px 0;
    color: var(--primary-light);
    margin: 1.4em 0;
}
.article-content a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover { color: var(--accent); }
.article-content ul, .article-content ol {
    padding-left: 1.4em;
    margin-bottom: 1.5em;
}
.article-content li { margin-bottom: 0.5em; }
.article-content strong { color: var(--primary); font-weight: 600; }

/* ===== 空状态 ===== */
.not-found-shell {
    max-width: 840px;
    margin: 60px auto;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 72px 40px;
    text-align: center;
    border: 1px solid var(--border);
}
.not-found-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
}
.not-found-title { font-size: 24px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.not-found-text { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }

/* ===== 相关阅读 ===== */
.related-section { margin-top: 60px; }
.related-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.related-head h2 {
    font-size: 26px;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
    position: relative;
    padding-left: 18px;
}
.related-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    background: var(--accent);
    border-radius: 4px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: transform .2s ease, box-shadow .2s ease;
    border: 1px solid rgba(228, 220, 205, 0.4);
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.related-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.related-card:hover .related-card-img { transform: scale(1.03); }
.related-card-body { padding: 20px 22px 24px; }
.related-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.55;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}
.related-card:hover .related-card-title { color: var(--accent-dark); }
.related-card-date {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.related-card-date i { color: var(--accent); font-size: 12px; }
.back-link-wrap { margin-top: 36px; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    transition: color .2s ease, transform .2s ease;
}
.back-link i { transition: transform .2s ease; }
.back-link:hover {
    color: var(--accent);
    transform: translateX(-3px);
}
.back-link:hover i { transform: translateX(-2px); }

/* ===== 按钮 ===== */
.btn-primary-brand {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 15px;
    transition: all .2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-primary-brand:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(201, 150, 46, 0.25);
}
.btn-primary-brand:active { transform: translateY(0); }
.btn-outline-brand {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 15px;
    transition: all .2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline-brand:hover {
    background: var(--accent-soft);
    border-color: var(--accent-dark);
    color: var(--accent-dark);
    transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--primary);
    color: rgba(247, 243, 236, 0.78);
    padding: 68px 0 0;
    font-size: 15px;
}
.footer-brand {
    color: #F7F3EC;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
}
.footer-brand i { color: var(--accent); margin-right: 6px; }
.footer-desc {
    color: rgba(247, 243, 236, 0.62);
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 0;
}
.footer-title {
    color: #F7F3EC;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: rgba(247, 243, 236, 0.72);
    text-decoration: none;
    transition: color .2s ease, padding-left .2s ease;
    font-size: 14px;
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 14px;
    color: rgba(247, 243, 236, 0.72);
}
.footer-contact-item i {
    color: var(--accent);
    margin-top: 5px;
    width: 16px;
    text-align: center;
}
.footer-link-btn {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}
.footer-link-btn:hover { color: #fff; }
.footer-form { display: flex; flex-direction: column; gap: 12px; }
.footer-form .form-control {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-sm);
    color: #F7F3EC;
    padding: 10px 16px;
    font-size: 14px;
    transition: border-color .2s, box-shadow .2s;
}
.footer-form .form-control::placeholder { color: rgba(247, 243, 236, 0.45); }
.footer-form .form-control:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 150, 46, 0.15);
    color: #F7F3EC;
}
.footer-form textarea { resize: vertical; min-height: 72px; }
.footer-form .form-submit {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 11px 24px;
    font-weight: 600;
    font-size: 14px;
    transition: all .2s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
}
.footer-form .form-submit:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    box-shadow: 0 4px 16px rgba(201, 150, 46, 0.3);
}
.footer-form .form-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; box-shadow: none; }
.form-success {
    display: none;
    background: rgba(138, 154, 91, 0.15);
    border: 1px solid rgba(138, 154, 91, 0.4);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    color: #B9C99A;
    margin-top: 4px;
}
.footer-bottom {
    margin-top: 56px;
    border-top: 1px solid rgba(247, 243, 236, 0.1);
    padding: 18px 0;
    font-size: 13px;
    color: rgba(247, 243, 236, 0.4);
    text-align: center;
}

/* ===== 对外焦点循环 ===== */
a:focus-visible, button:focus-visible, .form-control:focus, .dropdown-toggle:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .navbar-collapse {
        background: var(--primary);
        margin-top: 14px;
        padding: 18px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(247, 243, 236, 0.1);
    }
    .nav-link { padding: 10px 14px !important; }
    .nav-link::after { display: none; }
    .city-dropdown { margin-top: 12px; }
    .related-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .article-shell { padding: 44px 40px; }
}

@media (max-width: 767px) {
    .page-main { padding: 32px 0 60px; }
    .article-shell { padding: 32px 28px; border-radius: 12px; }
    .article-title { font-size: 26px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .site-footer { padding-top: 50px; }
    .footer-bottom { margin-top: 40px; }
}

@media (max-width: 575px) {
    .article-shell { padding: 26px 20px; }
    .breadcrumb-wrap { gap: 6px; font-size: 12px; margin-bottom: 20px; }
    .article-title { font-size: 23px; }
    .article-meta { gap: 12px; font-size: 13px; }
    .article-content { font-size: 15px; }
    .related-grid { grid-template-columns: 1fr; }
    .related-head h2 { font-size: 22px; }
    .related-card-img { height: 160px; }
    .not-found-shell { padding: 50px 24px; }
    .btn-primary-brand, .btn-outline-brand { padding: 10px 20px; font-size: 14px; }
}

/* ===== 打印优化 ===== */
@media print {
    .site-header, .site-footer, .related-section, .breadcrumb-wrap { display: none; }
    .article-shell { box-shadow: none; border: none; padding: 0; }
    body { background: #fff; }
}