:root {
            --nt-primary: #fcc803;
            --nt-primary-dark: #c79d00;
            --nt-primary-soft: rgba(252, 200, 3, 0.08);
            --nt-title: #181a1f;
            --nt-text: #50545c;
            --nt-muted: #7a7f87;
            --nt-border: #e7e9ec;
            --nt-border-light: #f0f1f3;
            --nt-radius: 10px;
            --nt-shadow: 0 12px 34px rgba(24, 26, 31, 0.05);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

.breadcrumb-tag-section{
    background: radial-gradient(circle at 1% 0%, rgb(255 255 255 / 6%) 0, rgba(252, 200, 3, 0.018) 145px, transparent 146px), #fff;
}



        body {
            margin: 0;
            background: #fff;
            color: var(--nt-text);
            font-family:
                "Space Grotesk",
                -apple-system,
                BlinkMacSystemFont,
                "Segoe UI",
                Arial,
                sans-serif;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font: inherit;
        }

        .nt-tag-page {
            width: 100%;
            overflow: hidden;
            background: #fff;
        }

        .nt-tag-container {
            width: min(1520px, calc(100% - 48px));
            margin: 0 auto;
            padding: 0 60px;
        }

        .nt-section-heading {
            display: flex;
            align-items: center;
            gap: 13px;
            margin: 0 0 24px;
            color: var(--nt-title);
            font-size: 25px;
            font-weight: 650;
            line-height: 1.25;
        }

        .nt-section-heading::before {
            width: 4px;
            height: 22px;
            flex: 0 0 auto;
            border-radius: 8px;
            background: var(--nt-primary);
            content: "";
        }

        .nt-section-heading span {
            color: var(--nt-muted);
            font-size: 15px;
            font-weight: 500;
        }

        /* Hero */
        .nt-tag-hero {
            position: relative;
            height: 500px;
            margin-top: 20px;
            overflow: hidden;
            background:
                radial-gradient(
                    circle at 1% 0%,
                    rgba(252, 200, 3, 0.055) 0,
                    rgba(252, 200, 3, 0.018) 145px,
                    transparent 146px
                ),
                #fff;
        }

        .nt-tag-hero__inner {
            position: relative;
            height: 500px;
            padding: 0 60px;
            overflow: hidden;
        }

        .nt-tag-hero__content {
            position: relative;
            z-index: 4;
            display: flex;
            width: 100%;
            max-width: 1160px;
            height: 100%;
            flex-direction: column;
            justify-content: center;
            overflow: hidden;
        }

        .nt-tag-hero__eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            width: fit-content;
            margin-bottom: 22px;
            color: var(--nt-primary-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.09em;
            text-transform: uppercase;
        }

        .nt-tag-hero__eyebrow::before {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--nt-primary);
            box-shadow: 0 0 0 5px rgba(252, 200, 3, 0.08);
            content: "";
        }

        .nt-tag-hero__title {
            max-width: 1100px;
            margin: 0;
            color: var(--nt-title);
            font-size: 36px;
            font-weight: 670;
            line-height: 1.12;
            letter-spacing: -0.04em;
        }

        .nt-tag-hero__description {
            max-width: 860px;
            margin: 26px 0 0;
            color: var(--nt-text);
            font-size: 17px;
            line-height: 1.8;
        }

        .nt-tag-hero__accent {
            width: 54px;
            height: 4px;
            margin-top: 28px;
            flex: 0 0 auto;
            border-radius: 20px;
            background: var(--nt-primary);
        }

        /* Hero image background */
        .nt-tag-hero__visual {
            position: absolute;
            z-index: 1;
            top: 0;
            right: 60px;
            bottom: 0;
            width: min(100%, 1400px);
            overflow: hidden;
            isolation: isolate;
            pointer-events: none;
        }

        .nt-tag-hero__visual::before {
            position: absolute;
            z-index: 0;
            top: -110px;
            right: -80px;
            width: 460px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(
                circle,
                rgba(252, 200, 3, 0.08) 0,
                rgba(252, 200, 3, 0.02) 45%,
                transparent 72%
            );
            pointer-events: none;
            content: "";
        }

        .nt-tag-hero__visual::after {
            position: absolute;
            z-index: 2;
            inset: 0;
            background:
                linear-gradient(
                    90deg,
                    #fff 0%,
                    rgba(255,255,255,.98) 18%,
                    rgba(255,255,255,.80) 39%,
                    rgba(255,255,255,.28) 68%,
                    transparent 100%
                ),
                linear-gradient(
                    0deg,
                    #fff 0%,
                    rgba(255,255,255,.42) 8%,
                    transparent 30%
                );
            pointer-events: none;
            content: "";
        }

        .nt-tag-hero__visual-bg {
            position: absolute;
            inset: 6px 0 0;
            background-image: url('https://www.natwelglobal.cn/static/images/1.png');
            background-repeat: no-repeat;
            background-position: right bottom;
            background-size: contain;
            opacity: 0.98;
        }

        /* Products */
        .nt-products-section {
            padding: 48px 0 38px;
        }

        .nt-products-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 330px;
            gap: 34px;
            align-items: stretch;
        }

        .nt-product-area {
            min-width: 0;
        }

        .nt-product-heading-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .nt-product-heading-row .nt-section-heading {
            margin-bottom: 24px;
        }

        .nt-product-count {
            margin: 0 0 24px;
            color: var(--nt-muted);
            font-size: 14px;
            white-space: nowrap;
        }

        .nt-products-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            grid-auto-rows: auto;
            align-items: stretch;
            gap: 24px;
        }

        .nt-product-card {
            display: flex;
            min-width: 0;
            height: 100%;
            overflow: hidden;
            border: 1px solid var(--nt-border);
            border-radius: var(--nt-radius);
            background: #fff;
            transition:
                border-color .24s ease,
                box-shadow .24s ease,
                transform .24s ease;
        }

        .nt-product-card:hover {
            border-color: rgba(252, 200, 3, .52);
            box-shadow: var(--nt-shadow);
            transform: translateY(-3px);
        }

        .nt-product-card__link {
            display: flex;
            width: 100%;
            height: 100%;
            flex-direction: column;
        }

        .nt-product-card__media {
            position: relative;
            display: block;
            aspect-ratio: 1 / 1;
            overflow: hidden;
            background: #f7f7f7;
        }

        .nt-product-card__image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        .nt-product-card:hover .nt-product-card__image {
            transform: none;
        }

        .nt-product-card__body {
            display: flex;
            flex: 1 1 auto;
            align-items: flex-start;
            padding: 18px 20px 20px;
            border-top: 1px solid var(--nt-border-light);
        }

        .nt-product-card__title {
            display: -webkit-box;
            margin: 0;
            overflow: hidden;
            color: var(--nt-title);
            font-size: 18px;
            font-weight: 620;
            line-height: 1.45;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        /* Category */
        .nt-category-sidebar {
            min-height: 100%;
            padding: 28px;
            border: 1px solid var(--nt-border);
            border-radius: var(--nt-radius);
            background:
                linear-gradient(180deg, rgba(252,200,3,.018), transparent 120px),
                #fff;
        }

        .nt-category-sidebar__title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 0 28px;
            color: var(--nt-title);
            font-size: 22px;
            font-weight: 650;
        }

        .nt-category-sidebar__title::before {
            width: 4px;
            height: 21px;
            border-radius: 6px;
            background: var(--nt-primary);
            content: "";
        }

        .nt-category-item {
            display: flex;
            min-height: 54px;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 13px 16px;
            border: 1px solid transparent;
            border-radius: 8px;
            background: #f7f7f7;
            color: var(--nt-title);
            font-size: 15px;
            font-weight: 580;
            transition:
                background-color .2s ease,
                border-color .2s ease,
                transform .2s ease;
                margin: 10px 0;
        }

        .nt-category-item:hover {
            border-color: rgba(252, 200, 3, .48);
            background: rgba(252, 200, 3, .075);
            transform: translateX(3px);
        }

        .nt-category-item__icon {
            display: inline-flex;
            width: 28px;
            height: 28px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--nt-primary);
            color: #1c1d20;
        }

        .nt-category-item__icon svg {
            width: 14px;
            height: 14px;
        }

        /* Applications */
        .nt-applications {
            padding: 38px 0;
        }

        .nt-applications__panel,
        .nt-faq__panel {
            padding: 34px;
            border: 1px solid var(--nt-border);
            border-radius: var(--nt-radius);
            background: #fff;
        }

        .nt-applications__grid {
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 18px;
        }

        .nt-industry-card {
            min-width: 0;
            padding: 26px 20px 24px;
            border: 1px solid var(--nt-border);
            border-radius: var(--nt-radius);
            background: #fff;
            text-align: center;
            transition:
                border-color .22s ease,
                box-shadow .22s ease,
                transform .22s ease;
        }

        .nt-industry-card:hover {
            border-color: rgba(252, 200, 3, .44);
            box-shadow: 0 10px 24px rgba(25,28,32,.04);
            transform: translateY(-3px);
        }

        .nt-industry-card__icon {
            display: inline-flex;
            width: 70px;
            height: 70px;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            border-radius: 50%;
            background: var(--nt-primary-soft);
            color: #d5a900;
        }

        .nt-industry-card__icon svg {
            width: 37px;
            height: 37px;
            stroke-width: 1.7;
        }

        .nt-industry-card__title {
            min-height: 48px;
            margin: 0;
            color: var(--nt-title);
            font-size: 17px;
            font-weight: 630;
            line-height: 1.4;
        }

        .nt-industry-card__description {
            margin: 12px 0 0;
            color: var(--nt-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* FAQ */
        .nt-faq {
            padding: 38px 0 80px;
        }

        .nt-faq-list {
            display: grid;
            gap: 10px;
        }

        .nt-faq-item {
            overflow: hidden;
            border: 1px solid var(--nt-border);
            border-radius: 8px;
            background: #fff;
            transition:
                border-color .2s ease,
                background-color .2s ease;
        }

        .nt-faq-item.is-open {
            border-color: rgba(252,200,3,.58);
            background: rgba(252,200,3,.015);
        }

        .nt-faq-question {
            display: flex;
            width: 100%;
            min-height: 60px;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 15px 20px;
            border: 0;
            outline: 0;
            background: transparent;
            color: var(--nt-title);
            text-align: left;
            cursor: pointer;
        }

        .nt-faq-question__text {
            font-size: 16px;
            font-weight: 590;
            line-height: 1.45;
        }

        .nt-faq-question__icon {
            position: relative;
            width: 22px;
            height: 22px;
            flex: 0 0 auto;
            border-radius: 50%;
            background: var(--nt-primary-soft);
        }

        .nt-faq-question__icon::before,
        .nt-faq-question__icon::after {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 1.5px;
            border-radius: 4px;
            background: #ae8900;
            transform: translate(-50%, -50%);
            transition: transform .22s ease;
            content: "";
        }

        .nt-faq-question__icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .nt-faq-item.is-open .nt-faq-question__icon::after {
            transform: translate(-50%, -50%) rotate(0);
        }

        .nt-faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows .28s ease;
        }

        .nt-faq-item.is-open .nt-faq-answer {
            grid-template-rows: 1fr;
        }

        .nt-faq-answer__inner {
            min-height: 0;
            overflow: hidden;
        }

        .nt-faq-answer p {
            margin: 0;
            padding: 0 64px 20px 20px;
            color: var(--nt-muted);
            font-size: 15px;
            line-height: 1.75;
        }

        @media (max-width: 1199px) {
            .nt-tag-hero__content {
                max-width: 980px;
            }

            .nt-tag-hero__visual {
                right: -18px;
                width: 72%;
            }

            .nt-products-layout {
                grid-template-columns: minmax(0, 1fr) 280px;
                gap: 24px;
            }

            .nt-applications__grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
        }

        @media (max-width: 991px) {
            .nt-tag-container {
                width: min(100% - 36px, 900px);
            }

            .nt-tag-hero__content {
                max-width: 820px;
                padding: 48px 0;
            }

            .nt-tag-hero__visual {
                right: -18px;
                width: 82%;
                margin: 0;
            }

            .nt-tag-hero__visual::after {
                background:
                    linear-gradient(
                        90deg,
                        #fff 0,
                        rgba(255,255,255,.98) 24%,
                        rgba(255,255,255,.78) 50%,
                        rgba(255,255,255,.22) 79%,
                        transparent 100%
                    ),
                    linear-gradient(
                        0deg,
                        #fff 0,
                        rgba(255,255,255,.50) 8%,
                        transparent 28%
                    );
            }

            .nt-tag-hero__visual-bg {
                inset: 0;
                background-size: cover;
            }

            .nt-products-layout {
                grid-template-columns: 1fr;
            }

            .nt-products-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
        }

        @media (max-width: 767px) {
            /*
             * 电脑端 .nt-tag-container 的 padding: 0 60px 保留；
             * 手机端单独取消左右 60px 内边距。
             */
            .nt-tag-container {
                width: calc(100% - 28px);
                padding-right: 0;
                padding-left: 0;
            }

            /*
             * 手机端 Hero 根据标题和介绍内容自动撑开高度。
             */
            .nt-tag-hero {
                height: auto;
                margin-top: 0;
                overflow: hidden;
                background: #fff;
            }

            .nt-tag-hero__inner {
                height: auto;
                padding-top: 28px;
                padding-bottom: 28px;
                overflow: hidden;
            }

            .nt-tag-hero__content {
                width: 100%;
                max-width: none;
                height: auto;
                padding: 0;
                justify-content: flex-start;
                overflow: visible;
            }

            .nt-tag-hero__title {
                max-width: 100%;
                font-size: clamp(30px, 8.5vw, 42px);
                line-height: 1.16;
                letter-spacing: -0.03em;
            }

            .nt-tag-hero__description {
                max-width: 100%;
                margin-top: 16px;
                font-size: 15px;
                line-height: 1.7;
            }

            .nt-tag-hero__accent {
                margin-top: 18px;
            }

            /*
             * 手机端不加载和显示 Hero 背景图区域。
             */
            .nt-tag-hero__visual {
                display: none;
            }

            /*
             * 缩小手机端各 Section 之间的上下间距。
             */
            .nt-products-section {
                padding: 24px 0 18px;
            }

            .nt-applications {
                padding: 18px 0;
            }

            .nt-faq {
                padding: 18px 0 40px;
            }

            .nt-section-heading,
            .nt-product-heading-row .nt-section-heading {
                margin-bottom: 18px;
                font-size: 22px;
            }

            .nt-products-layout {
                gap: 20px;
            }

            .nt-products-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 14px;
            }

            .nt-category-sidebar,
            .nt-applications__panel,
            .nt-faq__panel {
                padding: 20px 16px;
            }

            .nt-category-sidebar__title {
                margin-bottom: 20px;
                font-size: 20px;
            }

            .nt-category-item {
                min-height: 50px;
                margin: 8px 0;
                padding: 11px 14px;
            }

            .nt-applications__grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 14px;
            }

            .nt-industry-card {
                padding: 22px 16px 20px;
            }

            .nt-industry-card__icon {
                width: 60px;
                height: 60px;
                margin-bottom: 16px;
            }

            .nt-industry-card__icon svg {
                width: 32px;
                height: 32px;
            }

            .nt-industry-card__description {
                display: none;
            }

            .nt-faq-list {
                gap: 8px;
            }

            .nt-faq-question {
                min-height: 54px;
                gap: 16px;
                padding: 13px 15px;
            }

            .nt-faq-question__text {
                font-size: 15px;
            }

            .nt-faq-answer p {
                padding: 0 44px 16px 15px;
                font-size: 14px;
            }
        }

        @media (max-width: 479px) {
            .nt-tag-hero__inner {
                height: auto;
                padding-top: 12px;
                padding-bottom: 22px;
            }

            .nt-tag-hero__content {
                height: auto;
                padding: 0;
            }

            .nt-tag-hero__title {
                font-size: 26px;
            }

            .nt-tag-hero__description {
                margin-top: 14px;
                font-size: 14px;
                line-height: 1.65;
            }

            .nt-tag-hero__accent {
                margin-top: 16px;
            }

            .nt-products-section {
                padding: 20px 0 14px;
            }

            .nt-applications {
                padding: 14px 0;
            }

            .nt-faq {
                padding: 14px 0 32px;
            }

            .nt-products-grid,
            .nt-applications__grid {
                grid-template-columns: 1fr;
            }

            .nt-industry-card__description {
                display: block;
            }

            .nt-product-count {
                display: none;
            }
        }