/* roulang page: index */
:root {
            --color-primary: #2E9E8F;
            --color-primary-dark: #1F6E63;
            --color-accent: #F2A65A;
            --color-surface-light: #FAF7F2;
            --color-surface-alt: #EDF6F3;
            --color-ink: #223A36;
            --color-muted: #6B7B77;
            --color-border: #DCE9E5;
            --color-success: #3BA55D;
            --color-warning: #E4A83B;
            --color-info: #3B82A0;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --shadow-card: 0 10px 30px rgba(30, 94, 84, 0.10);
            --shadow-card-hover: 0 16px 40px rgba(30, 94, 84, 0.16);
            --radius-card: 20px;
            --radius-btn: 28px;
            --radius-img: 16px;
            --radius-input: 12px;
            --spacing-section: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--color-surface-light);
            color: #3B4A46;
            line-height: 1.75;
            overflow-x: hidden;
            font-size: 1rem;
        }

        body.menu-open {
            overflow: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .25s ease;
        }

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

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

        button {
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-ink);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: .5rem;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 800;
            margin-bottom: 1rem;
        }

        h3 {
            font-size: 1.3rem;
        }

        p {
            margin-bottom: 1rem;
        }

        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-title-wrap {
            margin-bottom: 2.5rem;
        }

        .section-title-wrap .section-subtitle {
            color: var(--color-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin-top: 8px;
        }

        .section-title-badge {
            display: inline-block;
            background: rgba(46, 158, 143, 0.12);
            color: var(--color-primary-dark);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 32px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        /*---------------- 按钮 ----------------*/
        .btn {
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.9375rem;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1.5px solid transparent;
            transition: all .3s ease;
            white-space: nowrap;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(46, 158, 143, 0.5);
            outline-offset: 2px;
            box-shadow: none;
        }

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

        .btn-primary:hover,
        .btn-primary:active {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
        }

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

        .btn-outline-primary:hover {
            background-color: rgba(46, 158, 143, 0.1);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn-outline-ghost {
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
            background: transparent;
        }

        .btn-outline-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        .btn-soft {
            background-color: var(--color-surface-alt);
            border-color: var(--color-surface-alt);
            color: var(--color-primary-dark);
        }

        .btn-soft:hover {
            background-color: #dceee8;
            border-color: #cbe3dd;
            color: var(--color-primary-dark);
        }

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

        .btn-white:hover {
            background-color: #f2f8f6;
            color: var(--color-primary);
        }

        .btn-block-mobile {
            width: auto;
        }

        button:active {
            transform: scale(0.98);
        }

        /*---------------- 导航 ----------------*/
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow .3s ease, background .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30, 94, 84, 0.08);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 2rem;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-surface-alt), #d4ece3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

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

        .brand-text {
            font-size: 1.0625rem;
            font-weight: 800;
            color: var(--color-ink);
            line-height: 1.2;
            letter-spacing: .3px;
        }

        .brand-text span {
            display: block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--color-primary);
            letter-spacing: 1px;
            margin-top: 2px;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            padding: 8px 16px;
            color: var(--color-ink);
            font-weight: 500;
            font-size: 0.9375rem;
            border-radius: 24px;
            position: relative;
            transition: all .3s ease;
        }

        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: width .3s ease;
        }

        .navbar-nav .nav-link:hover {
            color: var(--color-primary);
        }

        .navbar-nav .nav-link:hover::after {
            width: 20px;
        }

        .navbar-nav .nav-link.active {
            color: var(--color-primary-dark);
            background-color: rgba(46, 158, 143, 0.1);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            width: 20px;
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 1.25rem;
        }

        .navbar-cta .btn {
            padding: 9px 22px;
            min-height: 40px;
            font-size: 0.875rem;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            background: transparent;
            width: 44px;
            height: 44px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 158, 143, 0.25);
        }

        .navbar-toggler span {
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 3px;
            transition: all .3s ease;
        }

        .navbar-toggler[aria-expanded="true"] span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 5px);
        }

        .navbar-toggler[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler[aria-expanded="true"] span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -5px);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-surface-light);
                padding: 32px 24px;
                z-index: 1030;
                overflow-y: auto;
                border-top: 1px solid var(--color-border);
            }

            .navbar-collapse.show {
                display: flex;
                flex-direction: column;
            }

            .navbar-nav {
                gap: 4px;
                flex: 1;
            }

            .navbar-nav .nav-link {
                font-size: 1.0625rem;
                padding: 14px 18px;
                border-radius: 14px;
            }

            .navbar-cta {
                margin-left: 0;
                padding-top: 20px;
                border-top: 1px solid var(--color-border);
                flex-direction: column;
                width: 100%;
            }

            .navbar-cta .btn {
                width: 100%;
                padding: 12px 20px;
                min-height: 48px;
                font-size: 1rem;
            }
        }

        @media (max-width: 575px) {
            .brand-text {
                font-size: 0.9375rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
            }
            .navbar-brand {
                margin-right: 0;
            }
        }

        /*---------------- Hero ----------------*/
        .hero-section {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding: 96px 0 88px;
            background: linear-gradient(135deg, #1F6E63 0%, #2E9E8F 55%, #45AB99 100%);
            overflow: hidden;
            color: #fff;
        }

        .hero-bg-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(31, 110, 99, 0.82) 0%, rgba(46, 158, 143, 0.68) 55%, rgba(46, 158, 143, 0.42) 100%);
            z-index: 1;
        }

        .hero-decorative {
            position: absolute;
            z-index: 1;
            right: -80px;
            top: 50%;
            transform: translateY(-50%);
            width: 520px;
            height: 520px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.15);
        }

        .hero-decorative::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 380px;
            height: 380px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.12);
        }

        .hero-decorative::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.1);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .hero-content h1 {
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-badges .badge {
            background: rgba(242, 166, 90, 0.18);
            border: 1px solid rgba(242, 166, 90, 0.35);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 32px;
            letter-spacing: .3px;
        }

        .hero-badges .badge i {
            margin-right: 5px;
            color: var(--color-accent);
        }

        .hero-panel {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 24px;
            padding: 28px;
            color: #fff;
            max-width: 400px;
            margin-left: auto;
        }

        .hero-panel h5 {
            color: #fff;
            font-size: 1.0625rem;
            margin-bottom: 16px;
        }

        .hero-panel .panel-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-panel .panel-row:last-child {
            border-bottom: none;
        }

        .panel-row .panel-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.0625rem;
            flex-shrink: 0;
        }

        .panel-row .panel-text {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.5;
            margin: 0;
        }

        .panel-row .panel-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.7);
            display: block;
        }

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: 0;
                padding: 72px 0 64px;
            }

            .hero-panel {
                margin-left: 0;
                margin-top: 40px;
                max-width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 56px 0 48px;
            }

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

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

            .hero-badges {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /*---------------- 痛点板块 ----------------*/
        .pain-section {
            background: var(--color-surface-light);
            position: relative;
        }

        .pain-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .pain-icon {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .pain-icon i {
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .pain-card h3 {
            font-size: 1.125rem;
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 0.9375rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .pain-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-primary-dark);
            background: rgba(46, 158, 143, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .pain-section .scroll-hint {
            text-align: center;
            margin-top: 48px;
            color: var(--color-muted);
            font-size: 0.9375rem;
        }

        .scroll-hint i {
            display: block;
            font-size: 1.375rem;
            color: var(--color-primary);
            margin-top: 8px;
            animation: bounceDown 2s infinite;
        }

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

        /*---------------- 服务板块 ----------------*/
        .service-section {
            background: var(--color-surface-alt);
        }

        .service-feature-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 24px;
            transition: box-shadow .3s ease;
        }

        .service-feature-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .service-feature-card .feature-img {
            height: 100%;
            min-height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .service-feature-card .feature-body {
            padding: 36px 32px;
        }

        .feature-body .feature-flag {
            display: inline-block;
            background: rgba(46, 158, 143, 0.12);
            color: var(--color-primary-dark);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .feature-body h3 {
            font-size: 1.625rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .feature-body p {
            color: var(--color-muted);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .feature-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }

        .feature-meta .badge {
            background: rgba(242, 166, 90, 0.15);
            color: #C77A2B;
            font-size: 0.875rem;
            padding: 6px 14px;
            border-radius: 20px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .service-card .card-cover {
            position: relative;
            height: 180px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .service-card .card-cover .cover-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(46, 158, 143, 0.9);
            color: #fff;
            font-size: 0.75rem;
            padding: 5px 14px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .service-card .card-body {
            padding: 22px 20px 20px;
        }

        .service-card .card-body h3 {
            font-size: 1.125rem;
            margin-bottom: 8px;
        }

        .service-card .card-body p {
            font-size: 0.875rem;
            color: var(--color-muted);
            margin-bottom: 14px;
            line-height: 1.65;
        }

        .service-card .price-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px dashed var(--color-border);
        }

        .service-card .price-row .price {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-ink);
        }

        .service-card .price-row .price small {
            font-size: 0.8125rem;
            color: var(--color-muted);
            font-weight: 400;
            margin-right: 4px;
        }

        .service-card .price-row .link-more {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .3s ease;
        }

        .service-card .price-row .link-more:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        /* FAQ 手风琴 */
        .faq-inline {
            margin-top: 48px;
        }

        .faq-inline .faq-heading {
            font-size: 1.375rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--color-ink);
        }

        .faq-accordion .accordion-item {
            background: var(--color-surface-light);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background: var(--color-surface-light);
            color: var(--color-ink);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            border-radius: var(--radius-card) !important;
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: "+";
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            color: var(--color-primary);
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1;
            transition: all .3s ease;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--color-surface-light);
            box-shadow: none;
            color: var(--color-primary-dark);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(46, 158, 143, 0.2);
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px 24px;
            color: var(--color-muted);
            font-size: 0.9375rem;
            background: var(--color-surface-light);
            line-height: 1.8;
            border-radius: 0 0 20px 20px;
        }

        /*---------------- 成果区块 ----------------*/
        .result-section {
            background: var(--color-surface-alt);
        }

        .result-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 32px 24px;
            height: 100%;
            text-align: center;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .result-card .result-desc {
            margin-top: 16px;
            color: var(--color-muted);
            font-size: 0.9375rem;
        }

        .ring-chart {
            position: relative;
            width: 130px;
            height: 130px;
            margin: 0 auto 16px;
        }

        .ring-chart svg {
            width: 130px;
            height: 130px;
            transform: rotate(-90deg);
        }

        .ring-chart .ring-bg {
            stroke: #E8F3F0;
        }

        .ring-chart .ring-fg {
            stroke: var(--color-primary);
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .ring-chart .ring-value {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary-dark);
        }

        .energy-bars {
            max-width: 200px;
            margin: 0 auto 24px;
        }

        .energy-bars .energy-row {
            margin-bottom: 14px;
            text-align: left;
        }

        .energy-bars .energy-row .energy-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--color-muted);
            margin-bottom: 5px;
        }

        .energy-bars .energy-row .energy-label span:last-child {
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        .energy-bars .progress {
            height: 8px;
            border-radius: 12px;
            background: #E8F3F0;
        }

        .energy-bars .progress-bar {
            border-radius: 12px;
            background: linear-gradient(90deg, var(--color-primary), #5CC1B2);
        }

        .badge-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 18px;
            padding-top: 8px;
        }

        .badge-group .mini-badge {
            width: 92px;
            height: 92px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            border: 1px solid var(--color-border);
        }

        .mini-badge i {
            font-size: 1.375rem;
            color: var(--color-primary);
        }

        .mini-badge span {
            font-size: 0.75rem;
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        /*---------------- 证言板块 ----------------*/
        .testimonial-section {
            background: var(--color-surface-light);
        }

        .testimonial-card {
            background: #FFFDF9;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            height: 100%;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .testimonial-card .stars {
            color: var(--color-accent);
            font-size: 0.9375rem;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9375rem;
            color: #4A5B56;
            line-height: 1.75;
            margin-bottom: 20px;
            flex: 1;
        }

        .testimonial-card .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
        }

        .testimonial-card .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
            overflow: hidden;
        }

        .testimonial-card .user-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .testimonial-card .user-info .user-name {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-ink);
        }

        .testimonial-card .user-info .user-tag {
            font-size: 0.75rem;
            color: var(--color-muted);
        }

        /*---------------- CTA 区块 ----------------*/
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #45AB99 100%);
            padding: 72px 0;
            position: relative;
            color: #fff;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.1);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            top: -40px;
            right: 0;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.08);
        }

        .cta-section .cta-title {
            color: #fff;
            font-size: clamp(1.625rem, 3vw, 2.25rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section .cta-text {
            color: rgba(255, 255, 255, 0.92);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cta-section .cta-buttons .btn {
            min-width: 140px;
        }

        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 24px;
            padding: 28px;
            backdrop-filter: blur(8px);
            position: relative;
            z-index: 2;
        }

        .cta-form-wrap h5 {
            color: #fff;
            font-size: 1.125rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .cta-form-wrap .form-label {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 5px;
        }

        .cta-form-wrap .form-control,
        .cta-form-wrap .form-select {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-input);
            padding: 11px 16px;
            font-size: 0.9375rem;
            color: #fff;
            transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
        }

        .cta-form-wrap .form-control::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-form-wrap .form-control:focus,
        .cta-form-wrap .form-select:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        .cta-form-wrap .form-select option {
            color: var(--color-ink);
            background: #fff;
        }

        .cta-form-wrap .required-star {
            color: var(--color-accent);
        }

        .cta-form-wrap .btn-submit {
            background: #fff;
            color: var(--color-primary-dark);
            border: none;
            width: 100%;
            padding: 12px 24px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: all .3s ease;
        }

        .cta-form-wrap .btn-submit:hover {
            background: var(--color-surface-alt);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        .cta-info-row {
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px dashed rgba(255, 255, 255, 0.25);
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .cta-info-row i {
            margin-right: 6px;
            color: var(--color-accent);
        }

        .cta-info-row .info-item {
            margin-bottom: 6px;
        }

        @media (max-width: 767.98px) {
            .cta-section .cta-buttons {
                flex-direction: column;
            }
            .cta-section .cta-buttons .btn {
                width: 100%;
            }
            .cta-form-wrap {
                margin-top: 32px;
            }
        }

        /*---------------- 资讯板块 ----------------*/
        .news-section {
            background: var(--color-surface-light);
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-cover {
            position: relative;
            height: 180px;
            background: var(--color-surface-alt);
            overflow: hidden;
        }

        .news-card .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .news-card:hover .news-cover img {
            transform: scale(1.05);
        }

        .news-card .date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(31, 110, 99, 0.85);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .news-card .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-category {
            display: inline-block;
            background: rgba(46, 158, 143, 0.1);
            color: var(--color-primary-dark);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 16px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
            transition: color .3s ease;
        }

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

        .news-card .news-summary {
            font-size: 0.875rem;
            color: var(--color-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card .news-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .3s ease;
        }

        .news-card .news-link:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        .news-empty-state {
            text-align: center;
            padding: 60px 24px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .news-empty-state .empty-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            color: var(--color-primary);
        }

        .news-empty-state p {
            color: var(--color-muted);
            font-size: 1rem;
            margin-bottom: 20px;
        }

        /*---------------- 安全承诺条 ----------------*/
        .trust-bar-section {
            background: var(--color-surface-alt);
            padding: 40px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .trust-bar-section .trust-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            padding: 12px 8px;
            color: var(--color-ink);
            font-size: 0.9375rem;
            font-weight: 600;
        }

        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(46, 158, 143, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        /*---------------- 时间线 ----------------*/
        .timeline-steps {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .timeline-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            position: relative;
            padding-top: 60px;
        }

        .timeline-step .step-num {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(46, 158, 143, 0.3);
        }

        .timeline-step h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-step p {
            font-size: 0.875rem;
            color: var(--color-muted);
            margin: 0;
        }

        /*---------------- 快速问答 ----------------*/
        .quick-faq-section {
            background: var(--color-surface-light);
        }

        .quick-faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease;
        }

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

        .quick-faq-item h5 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-faq-item h5 i {
            color: var(--color-primary);
            font-size: 0.875rem;
        }

        .quick-faq-item p {
            font-size: 0.9375rem;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
        }

        /*---------------- 页脚 ----------------*/
        .site-footer {
            background: var(--color-primary-dark);
            color: #CBE3DD;
            padding: 64px 0 0;
            border-top: 2px solid var(--color-primary);
        }

        .site-footer .footer-brand {
            font-size: 1.125rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.12);
        }

        .site-footer .brand-icon svg {
            fill: #fff;
        }

        .site-footer .footer-desc {
            font-size: 0.875rem;
            color: #A9D0C7;
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 300px;
        }

        .site-footer .footer-heading {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .5px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer .footer-heading::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #A9D0C7;
            font-size: 0.875rem;
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a i {
            font-size: 0.6875rem;
            color: var(--color-accent);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.875rem;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: #A9D0C7;
            line-height: 1.6;
        }

        .footer-contact li i {
            color: var(--color-accent);
            margin-top: 4px;
            font-size: 0.875rem;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom .copyright {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        .footer-bottom .copyright a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom .copyright a:hover {
            color: #fff;
        }

        @media (max-width: 767.98px) {
            .site-footer .footer-col {
                margin-bottom: 32px;
            }
        }

        /*---------------- 通用装饰辅助类 ----------------*/
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 4px;
            margin: 12px 0 20px;
        }

        .text-primary-custom {
            color: var(--color-primary);
        }

        .bg-alt {
            background: var(--color-surface-alt);
        }

        .link-arrow {
            transition: transform .3s ease;
        }

        .link-arrow:hover {
            transform: translateX(4px);
        }

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

            .btn-block-mobile {
                width: 100%;
            }

            .timeline-steps {
                flex-direction: column;
                align-items: center;
            }

            .timeline-step {
                min-width: 100%;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #2E9E8F;
            --color-primary-dark: #1F6E63;
            --color-accent: #F2A65A;
            --color-surface-light: #FAF7F2;
            --color-surface-alt: #EDF6F3;
            --color-ink: #223A36;
            --color-muted: #6B7B77;
            --color-border: #DCE9E5;
            --color-success: #3BA55D;
            --color-warning: #E4A83B;
            --color-info: #3B82A0;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --shadow-card: 0 10px 30px rgba(30, 94, 84, 0.10);
            --shadow-card-hover: 0 16px 40px rgba(30, 94, 84, 0.16);
            --radius-card: 20px;
            --radius-btn: 28px;
            --radius-img: 16px;
            --radius-input: 12px;
            --spacing-section: 96px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--color-surface-light);
            color: #3B4A46;
            line-height: 1.75;
            overflow-x: hidden;
            font-size: 1rem;
            margin: 0;
        }
        body.menu-open {
            overflow: hidden;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button {
            font-family: inherit;
        }
        input, select, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .section-padding {
            padding: var(--spacing-section) 0;
        }
        /*---------------- 按钮 ----------------*/
        .btn {
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.9375rem;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1.5px solid transparent;
            transition: all .3s ease;
            white-space: nowrap;
        }
        .btn:focus, .btn:focus-visible {
            outline: 3px solid rgba(46, 158, 143, 0.5);
            outline-offset: 2px;
            box-shadow: none;
        }
        .btn-primary {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover, .btn-primary:active {
            background-color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
        }
        .btn-outline-primary {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: transparent;
        }
        .btn-outline-primary:hover {
            background-color: rgba(46, 158, 143, 0.1);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }
        .btn-soft {
            background-color: var(--color-surface-alt);
            border-color: var(--color-surface-alt);
            color: var(--color-primary-dark);
        }
        .btn-soft:hover {
            background-color: #dceee8;
            border-color: #cbe3dd;
            color: var(--color-primary-dark);
        }
        /*---------------- 导航 ----------------*/
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow .3s ease, background .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(30, 94, 84, 0.08);
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 2rem;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-surface-alt), #d4ece3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .brand-icon svg {
            width: 24px;
            height: 24px;
            fill: var(--color-primary);
        }
        .brand-text {
            font-size: 1.0625rem;
            font-weight: 800;
            color: var(--color-ink);
            line-height: 1.2;
            letter-spacing: .3px;
        }
        .brand-text span {
            display: block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--color-muted);
            letter-spacing: 1px;
            margin-top: 2px;
        }
        .navbar-nav .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-muted);
            padding: 8px 16px;
            border-radius: 24px;
            position: relative;
            transition: color .25s ease, background .25s ease;
        }
        .navbar-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 4px;
            transform: translateX(-50%);
            transition: width .25s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--color-primary-dark);
        }
        .navbar-nav .nav-link:hover::after {
            width: 50%;
        }
        .navbar-nav .nav-link.active {
            background: rgba(46, 158, 143, 0.12);
            color: var(--color-primary);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            width: 0;
        }
        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 20px;
        }
        .navbar-cta .btn {
            padding: 9px 22px;
            min-height: 42px;
            font-size: 0.875rem;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            width: 44px;
            height: 44px;
            background: transparent;
            box-shadow: none !important;
        }
        .navbar-toggler span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 8px;
            background: var(--color-ink);
            margin: 5px auto;
            transition: transform .3s ease, opacity .3s ease;
        }
        .navbar-toggler[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /*---------------- 文章页 Hero ----------------*/
        .article-banner {
            position: relative;
            padding: 52px 0 40px;
            background: linear-gradient(135deg, #f7f2ea 0%, var(--color-surface-alt) 100%);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .article-banner::before {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46, 158, 143, 0.08) 0%, transparent 70%);
            top: -150px;
            right: -80px;
            pointer-events: none;
        }
        .article-banner::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(46, 158, 143, 0.12);
            bottom: -130px;
            left: -60px;
            pointer-events: none;
        }
        .article-breadcrumb {
            margin-bottom: 20px;
            font-size: 0.875rem;
            color: var(--color-muted);
            position: relative;
            z-index: 1;
        }
        .article-breadcrumb ol {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .article-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-breadcrumb li i {
            font-size: 0.7rem;
            color: var(--color-muted);
        }
        .article-breadcrumb a {
            color: var(--color-muted);
            transition: color .25s ease;
        }
        .article-breadcrumb a:hover {
            color: var(--color-primary);
        }
        .article-breadcrumb .active {
            color: var(--color-ink);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
            display: inline-block;
        }
        .article-title-wrap {
            position: relative;
            z-index: 1;
            max-width: 860px;
        }
        .article-category-badge {
            display: inline-block;
            background: rgba(46, 158, 143, 0.14);
            color: var(--color-primary-dark);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 32px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .article-title-wrap h1 {
            font-size: clamp(1.75rem, 3.6vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-ink);
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--color-muted);
            font-size: 0.875rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        /*---------------- 正文区 ----------------*/
        .article-body-section {
            padding: 56px 0 72px;
        }
        .article-paper {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: clamp(24px, 4vw, 48px);
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content {
            font-size: 1.0625rem;
            line-height: 2;
            color: #3B4A46;
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-ink);
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--color-border);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-ink);
            margin: 1.8rem 0 0.8rem;
            line-height: 1.5;
        }
        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-ink);
            margin: 1.5rem 0 0.6rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content a:not(.btn) {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:not(.btn):hover {
            color: var(--color-primary-dark);
        }
        .article-content .btn {
            text-decoration: none;
        }
        .article-content blockquote {
            background: var(--color-surface-alt);
            border-left: 4px solid var(--color-primary);
            border-radius: 0 12px 12px 0;
            padding: 18px 24px;
            margin: 1.5rem 0;
            color: var(--color-ink);
            font-weight: 500;
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.2rem 0;
            padding-left: 1.5rem;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5rem;
        }
        .article-content img {
            border-radius: var(--radius-img);
            max-width: 100%;
            height: auto;
            margin: 1.75rem auto 0.5rem;
            display: block;
            box-shadow: var(--shadow-card);
        }
        .article-content figure {
            margin: 1.75rem 0 1.2rem;
        }
        .article-content figure img {
            margin: 0 auto 0.5rem;
        }
        .article-content figcaption {
            font-size: 0.875rem;
            color: var(--color-muted);
            text-align: center;
            margin-bottom: 1.2rem;
        }
        .article-content table {
            width: 100%;
            margin: 1.5rem 0;
            border-collapse: collapse;
            font-size: 0.9375rem;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content table th {
            background: var(--color-surface-alt);
            font-weight: 600;
            color: var(--color-ink);
        }
        .article-content iframe {
            max-width: 100%;
            border-radius: var(--radius-img);
        }
        /*---------------- 底部标签与分享 ----------------*/
        .article-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid var(--color-border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .tag-label {
            font-size: 0.875rem;
            color: var(--color-muted);
        }
        .tag-pill {
            background: var(--color-surface-alt);
            color: var(--color-primary-dark);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 24px;
            transition: all .25s ease;
        }
        .tag-pill:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .share-label {
            font-size: 0.875rem;
            color: var(--color-muted);
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            color: var(--color-primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
            font-size: 0.9375rem;
        }
        .share-btn:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        /*---------------- 上一篇 / 下一篇 ----------------*/
        .post-pagination {
            max-width: 860px;
            margin: 32px auto 0;
        }
        .post-nav-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            height: 100%;
            min-height: 96px;
        }
        .post-nav-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }
        .post-nav-card.text-end {
            flex-direction: row-reverse;
            text-align: right;
        }
        .post-nav-arrow {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            transition: all .25s ease;
        }
        .post-nav-card:hover .post-nav-arrow {
            background: var(--color-primary);
            color: #fff;
        }
        .post-nav-label {
            display: block;
            font-size: 0.75rem;
            color: var(--color-muted);
            margin-bottom: 4px;
        }
        .post-nav-title {
            display: block;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.4;
        }
        .post-nav-card:hover .post-nav-title {
            color: var(--color-primary-dark);
        }
        /*---------------- 相关阅读 ----------------*/
        .related-section {
            background: var(--color-surface-alt);
            padding: 72px 0;
        }
        .section-title-wrap {
            margin-bottom: 2.5rem;
        }
        .section-title-badge {
            display: inline-block;
            background: rgba(46, 158, 143, 0.12);
            color: var(--color-primary-dark);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 32px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--color-ink);
            margin: 0;
            line-height: 1.3;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-card-img {
            display: block;
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--color-surface-alt);
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-date {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(34, 58, 54, 0.82);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
        }
        .news-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-cat {
            display: inline-block;
            background: rgba(46, 158, 143, 0.1);
            color: var(--color-primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .news-title {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-title a {
            color: inherit;
            transition: color .25s ease;
        }
        .news-title a:hover {
            color: var(--color-primary);
        }
        .news-summary {
            font-size: 0.875rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-more {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .25s ease;
        }
        .news-more i {
            transition: transform .25s ease;
        }
        .news-more:hover {
            color: var(--color-primary-dark);
        }
        .news-more:hover i {
            transform: translateX(4px);
        }
        .related-empty {
            background: #fff;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            text-align: center;
            padding: 44px 24px;
            color: var(--color-muted);
        }
        .related-empty a {
            font-weight: 600;
        }
        /*---------------- 空状态 ----------------*/
        .article-empty {
            text-align: center;
            padding: 80px 20px;
        }
        .empty-icon {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            background: var(--color-surface-alt);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }
        .empty-icon svg {
            width: 44px;
            height: 44px;
            fill: var(--color-primary);
        }
        .article-empty h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-ink);
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--color-muted);
            max-width: 420px;
            margin: 0 auto 24px;
        }
        /*---------------- 页脚 ----------------*/
        .site-footer {
            background: var(--color-primary-dark);
            color: #CBE3DD;
            position: relative;
        }
        .site-footer::before {
            content: "";
            display: block;
            height: 2px;
            background: var(--color-primary);
        }
        .footer-main {
            padding: 68px 0 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.125rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.12);
        }
        .footer-brand .brand-icon svg {
            fill: #fff;
        }
        .footer-desc {
            color: #CBE3DD;
            font-size: 0.9375rem;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 360px;
        }
        .footer-heading {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #CBE3DD;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
        }
        .footer-links a i {
            font-size: 0.75rem;
            color: var(--color-primary);
            transition: transform .25s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links a:hover i {
            transform: translateX(4px);
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.875rem;
            color: #CBE3DD;
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .footer-contact li i {
            color: var(--color-primary);
            margin-top: 3px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(203, 227, 221, 0.2);
            padding: 20px 0;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(203, 227, 221, 0.75);
        }
        .footer-bottom p {
            margin: 0;
        }
        /*---------------- 响应式 ----------------*/
        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 16px 0 8px;
            }
            .navbar-nav .nav-link {
                padding: 12px 20px;
                border-radius: 12px;
                font-size: 1rem;
                border-bottom: 1px solid var(--color-border);
            }
            .navbar-nav .nav-link::after {
                display: none;
            }
            .navbar-nav .nav-link.active {
                background: rgba(46, 158, 143, 0.12);
            }
            .navbar-cta {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 14px 0 6px;
                margin-left: 0;
            }
            .navbar-cta .btn {
                width: 100%;
            }
            .article-banner {
                padding: 40px 0 32px;
            }
            .article-body-section {
                padding: 44px 0 56px;
            }
            .related-section {
                padding: 56px 0;
            }
            .post-pagination {
                margin-top: 24px;
            }
            .post-nav-card {
                min-height: 88px;
            }
        }
        @media (max-width: 767.98px) {
            .article-banner {
                padding: 32px 0 28px;
            }
            .article-breadcrumb .active {
                max-width: 200px;
            }
            .article-title-wrap h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8125rem;
            }
            .article-body-section {
                padding: 32px 0 44px;
            }
            .article-paper {
                padding: 22px 18px;
                border-radius: 16px;
            }
            .article-content {
                font-size: 1rem;
                line-height: 1.9;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            .article-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-share {
                width: 100%;
            }
            .post-pagination .col-md-6 + .col-md-6 {
                margin-top: 14px;
            }
            .post-nav-card,
            .post-nav-card.text-end {
                flex-direction: row;
                text-align: left;
            }
            .related-section {
                padding: 44px 0 48px;
            }
            .section-title-wrap {
                margin-bottom: 1.75rem;
            }
            .footer-main {
                padding: 48px 0 24px;
            }
            .footer-col {
                margin-bottom: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 0.95rem;
            }
            .brand-icon {
                width: 38px;
                height: 38px;
            }
            .brand-icon svg {
                width: 21px;
                height: 21px;
            }
            .article-breadcrumb {
                font-size: 0.8125rem;
            }
            .article-breadcrumb ol {
                gap: 5px;
            }
            .article-breadcrumb .active {
                max-width: 150px;
            }
            .article-title-wrap h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 6px;
            }
            .article-paper {
                padding: 18px 16px;
            }
        }

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