/* ===== Global Reset & Variables ===== */
        :root {
            --primary: #d97c1e;
            --primary-dark: #b8620a;
            --primary-light: #f0c88a;
            --ink: #1c1c1c;
            --gray: #6b6b6b;
            --light: #f6f6f6;
            --dark: #181818;
            --footer: #130d07;
            --shadow: 0 18px 45px rgba(20, 12, 4, .18);
            --radius: 12px;
            --transition: .5s cubic-bezier(.22, .68, 0, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
            color: var(--ink);
            background: #fff;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-overflow-scrolling: touch;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            width: min(1600px, 92%);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* ===== Common Components ===== */
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 4px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: .5px;
            text-transform: uppercase;
            line-height: 1.15;
        }
        .section-title .accent {
            color: var(--primary);
        }
        .section-desc {
            color: var(--gray);
            font-size: 16px;
            max-width: 680px;
            margin-top: 12px;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            font-size: 14px;
            letter-spacing: 1.5px;
            font-weight: 700;
            text-transform: uppercase;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            border-radius: 4px;
        }
        .btn-more:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(217, 124, 30, .35);
        }
        .btn-more::before {
            content: "";
            width: 26px;
            height: 2px;
            background: #fff;
        }
        /* ===== Reveal Animations ===== */
        .reveal {
            opacity: 0;
            transform: translateY(50px);
            transition: opacity .8s ease, transform .8s ease;
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity .8s ease, transform .8s ease;
        }
        .reveal-left.active {
            opacity: 1;
            transform: translateX(0);
        }
        .reveal-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity .8s ease, transform .8s ease;
        }
        .reveal-right.active {
            opacity: 1;
            transform: translateX(0);
        }
        .reveal-scale {
            opacity: 0;
            transform: scale(.92);
            transition: opacity .8s ease, transform .8s ease;
        }
        .reveal-scale.active {
            opacity: 1;
            transform: scale(1);
        }
        .delay-1 {
            transition-delay: .1s;
        }
        .delay-2 {
            transition-delay: .2s;
        }
        .delay-3 {
            transition-delay: .3s;
        }
        .delay-4 {
            transition-delay: .4s;
        }
        .delay-5 {
            transition-delay: .5s;
        }
        /* ===== Fixed Header (height 100px) ===== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0;
            transition: var(--transition);
            background: transparent;
            height: 100px;
            display: flex;
            align-items: center;
            /* 修复手机端头部抖动，移除冲突translateZ */
            will-change: auto;
            backface-visibility: visible;
        }
        header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, .08);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 10px;
            transition: var(--transition);
 
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            flex-shrink: 0;
            transition: var(--transition);
        }
        header.scrolled .logo {
            color: var(--ink);
        }
        .logo .paw {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #fff;
            color: var(--primary-dark);
            display: grid;
            place-items: center;
            font-size: 22px;
            transition: var(--transition);
        }
        header.scrolled .logo .paw {
            background: var(--primary);
            color: #fff;
            width: 40px;
            height: 40px;
            font-size: 18px;
        }
        .logo .name {
            font-weight: 800;
            font-size: 20px;
            line-height: 1.05;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo .name span {
            display: block;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        header.scrolled .logo .name {
            font-size: 18px;
            color: var(--ink);
        }
        header.scrolled .logo .name span {
            font-size: 14px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, .85);
            font-size: 13px;
            letter-spacing: 1.2px;
            font-weight: 600;
            position: relative;
            padding: 6px 0;
            transition: var(--transition);
            white-space: nowrap;
        }
        header.scrolled .nav-links a {
            color: rgba(0, 0, 0, .75);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }
        header.scrolled .nav-links a:hover,
        header.scrolled .nav-links a.active {
            color: var(--primary);
        }
        .nav-links a.active::after,
        .nav-links a:hover::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -4px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-links a .caret {
            font-size: 10px;
            margin-left: 4px;
        }
        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            flex-shrink:0;
        }
        header.scrolled .nav-toggle {
            color: var(--ink);
        }
        /* ===== Hero Slider ===== */
        .hero-slider {
            position: relative;
            height: 100vh;
            min-height: 700px;
            overflow: hidden;
            background: #1a1008;
        }
        .slide-track {
            display: flex;
            width: 100%;
            height: 100%;
            transition: transform .9s cubic-bezier(.22, .68, 0, 1);
        }
        .slide {
            flex: 0 0 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 0 40px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .slide:nth-child(1) {
            background-image: url('/style/images/banner1.jpg');
        }
        .slide:nth-child(2) {
            background-image: url('/style/images/banner2.jpg');
        }
        .slide:nth-child(3) {
            background-image: url('/style/images/banner3.jpg');
        }
        .slide .bg-layer {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: rgba(0, 0, 0, 0.45);
        }
        .slide .container {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 40px;
            width: 100%;
            max-width: 1600px;
            padding: 0 20px;
        }
        /* ===== Banner Text Slide-up Animation ===== */
        .slide-copy {
            max-width: 640px;
            color: #fff;
        }
        .slide-copy .slide-kicker,
        .slide-copy h1,
        .slide-copy p,
        .slide-copy .btn-more {
            opacity: 0;
            transform: translateY(40px);
            animation: slideUpText 0.9s cubic-bezier(.22, .68, 0, 1) forwards;
        }
        .slide-copy .slide-kicker {
            animation-delay: 0.1s;
        }
        .slide-copy h1 {
            animation-delay: 0.25s;
        }
        .slide-copy p {
            animation-delay: 0.4s;
        }
        .slide-copy .btn-more {
            animation-delay: 0.55s;
        }
        @keyframes slideUpText {
            0% {
                opacity: 0;
                transform: translateY(40px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .slide-kicker {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            letter-spacing: 2.5px;
            color: #e8d9c4;
            text-transform: uppercase;
            margin-bottom: 18px;
        }
        .slide-kicker::before {
            content: "";
            width: 50px;
            height: 2.5px;
            background: var(--primary);
        }
        .slide-copy h1 {
            font-size: 72px;
            font-weight: 800;
            letter-spacing: 2px;
            text-transform: uppercase;
            line-height: 1.02;
            text-shadow: 0 4px 20px rgba(0, 0, 0, .50);
        }
        .slide-copy h1 .highlight {
            color: var(--primary);
        }
        .slide-copy p {
            margin-top: 22px;
            color: #e7ddcf;
            font-size: 18px;
            max-width: 520px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, .40);
        }
        .slide-copy .btn-more {
            margin-top: 28px;
        }
        .slide .duck {
            position: absolute;
            left: 34%;
            bottom: 8%;
            font-size: 80px;
            filter: drop-shadow(0 14px 20px rgba(0, 0, 0, .45));
            z-index: 3;
            animation: floatDuck 3.5s ease-in-out infinite;
        }
        @keyframes floatDuck {
            0%,
            100% {
                transform: translateY(0) rotate(-2deg);
            }
            50% {
                transform: translateY(-16px) rotate(2deg);
            }
        }
        /* Slider controls – arrows only */
        .slider-controls {
            position: absolute;
            bottom: 30px;
            right: 30px;
            z-index: 10;
            display: flex;
            gap: 12px;
            align-items: center;
            background: transparent;
            backdrop-filter: none;
            border: none;
            padding: 0;
        }
        .slider-arrows {
            display: flex;
            gap: 10px;
        }
        .slider-arrows button {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, .50);
            background: rgba(255, 255, 255, .10);
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            transition: var(--transition);
            display: grid;
            place-items: center;
            backdrop-filter: blur(4px);
            pointer-events: auto;
        }
        .slider-arrows button:hover {
            background: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 0 24px rgba(217, 124, 30, .4);
        }
        /* ===== Stats Cards ===== */
        .stats {
            position: relative;
            z-index: 10;
            margin-top: -100px;
        }
        .stats .card {
            background: #fff;
            box-shadow: var(--shadow);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .stat {
            padding: 28px 16px 32px;
            text-align: center;
            border-right: 1px solid #efefef;
        }
        .stat:last-child {
            border-right: none;
        }
        .stat .icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .stat .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat .num small {
            font-size: 20px;
            font-weight: 700;
        }
        .stat .label {
            margin-top: 10px;
            color: var(--gray);
            font-size: 14px;
            font-weight: 500;
        }
        /* ===== About ===== */
        .about {
            padding: 80px 0 70px;
            background: #fff;
        }
        .about .container {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 70px;
            align-items: center;
        }
        .paw-print {
            position: relative;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .paw-print .toe {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #fff2df, #e6cfa8);
            box-shadow: inset 0 0 0 6px #a9793f, 0 10px 20px rgba(0, 0, 0, .10);
            display: grid;
            place-items: center;
            font-size: 30px;
        }
        .paw-print .pad {
            position: relative;
            width: 240px;
            height: 220px;
            border-radius: 46% 46% 50% 50%;
            background: radial-gradient(circle at 35% 30%, #fff2df, #e6cfa8);
            box-shadow: inset 0 0 0 8px #a9793f, 0 14px 28px rgba(0, 0, 0, .14);
            display: grid;
            place-items: center;
            font-size: 68px;
        }
        .paw-print .t1 {
            width: 90px;
            height: 90px;
            left: 10px;
            top: 60px;
        }
        .paw-print .t2 {
            width: 90px;
            height: 90px;
            left: 130px;
            top: -10px;
        }
        .paw-print .t3 {
            width: 90px;
            height: 90px;
            left: 270px;
            top: -10px;
        }
        .paw-print .t4 {
            width: 90px;
            height: 90px;
            left: 390px;
            top: 60px;
        }
        .paw-print .t5 {
            width: 90px;
            height: 90px;
            left: -20px;
            top: 170px;
        }
        .about-copy h2 {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 24px;
            line-height: 1.2;
        }
        .about-copy p {
            color: var(--gray);
            font-size: 16px;
            margin-bottom: 16px;
        }
        /* ===== Products ===== */
        .products {
            padding: 70px 0 80px;
            background: #fcfaf8;
        }
        .products .head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            gap: 30px;
            flex-wrap: wrap;
        }
        .prod-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .prod {
            background: #fff;
            border: 1px solid #eee;
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .prod:hover {
            transform: translateY(-8px);
            box-shadow: 0 28px 54px rgba(0, 0, 0, .12);
            border-color: var(--primary-light);
        }
        .prod .thumb {
            height: 370px;
            display: grid;
            place-items: center;
            font-size: 56px;
            background: linear-gradient(160deg, #fdfbf7, #f1eadf);
        }
        .prod h4 {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.4;
            padding: 16px 16px 6px;
            min-height: 72px;
            color: var(--ink);
        }
        .prod .details {
            display: inline-block;
            margin: 4px 16px 18px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            transition: var(--transition);
        }
        .prod .details:hover {
            color: var(--primary-dark);
            transform: translateX(4px);
        }
        .prod .details::after {
            content: " →";
        }
        /* ==============================================================
           OUR STRENGTH – fixed background using #shili
           Background image stays fixed, content scrolls over it
           ============================================================== */
        .advbg {
            background-color: #f6f6f6;
            height: 28rem;
        }
        #shili {
            background: linear-gradient(#0000005c, rgb(0 0 0 / 22%)), url(/style/images/bg1.jpg) no-repeat center center fixed;
            padding: 70px 0 0;
            position: relative;
            height: auto;
            min-height: 900px;
            background-size: cover;
        }
        #shili .container2 {
            position: relative;
        }
        #shili .tit {
            margin-bottom: 90px;
        }
        #shili .tit h3 {
            font-size: 36px;
            text-align: center;
            line-height: 100%;
            text-transform: uppercase;
            font-weight: bold;
            color: #fff;
            width: max-content;
            margin: 0 auto 20px;
        }
        #shili .tit p {
            font-size: 16px;
            color: #fff;
            text-align: center;
            line-height: 100%;
        }
        #shili .shuju {
            margin-bottom: 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-gap: 20px 10px;
        }
        #shili .shuju dl {
            text-align: center;
            position: relative;
        }
        #shili .shuju dl:last-child::after {
            background: #cdcdcd00;
        }
        #shili .shuju dl::after {
            content: '';
            display: block;
            height: 100%;
            width: 1px;
            background-color: rgba(255, 255, 255, 0.2);
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
        }
        #shili .shuju dl dt {
            margin-bottom: 10px;
            color: #fff;
        }
        #shili .shuju dl dt strong {
            font-size: 60px;
            font-weight: bold;
            line-height: 100%;
        }
        #shili .shuju dl dt em {
            font-size: 18px;
            font-style: normal;
            margin-left: 5px;
        }
        #shili .shuju dl dd {
            color: #fff;
            font-size: 16px;
        }
        #shili .adv {
            display: flex;
            grid-gap: 20px 10px;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        #shili .adv dl {
            width: 24%;
        }
        #shili .adv dl dd {
            background-color: #fff;
            position: relative;
        }
        #shili .adv dl dd .box {
            padding: 40px;
            text-align: center;
        }
        #shili .adv dl dd .box .num {
            font-size: 24px;
            color: #777777;
            font-weight: bold;
        }
        #shili .adv dl dd .box .num::after {
            content: '';
            display: block;
            width: 26px;
            height: 4px;
            background-color: var(--c1);
            margin: 15px auto;
        }
        #shili .adv dl dd .box h3 {
            font-size: 20px;
            color: #2a2a2a;
            font-weight: bold;
            margin-bottom: 10px;
        }
        #shili .adv dl dd .box .en {
            font-size: 14px;
            color: #929292;
            text-transform: uppercase;
        }
        #shili .adv dl dd .hover {
            position: absolute;
            left: 0;
            right: 0;
            top: -110px;
            text-align: center;
            padding: 40px 30px 83px;
            opacity: 0;
            -webkit-transition: all 0.3s;
            -moz-transition: all 0.3s;
            -ms-transition: all 0.3s;
            -o-transition: all 0.3s;
            transition: all 0.3s;
            background: url('../img/advddbg.png?id=1') no-repeat;
            visibility: hidden;
            background-size: 100% 100%;
            z-index: 9;
        }
        #shili .adv dl.show dd .hover {
            opacity: 1;
            top: -86px;
            visibility: visible;
        }
        #shili .adv dl dd .hover .wrap {
            z-index: 10;
            position: relative;
        }
        #shili .adv dl dd .hover::before {
            content: '';
            display: block;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
        }
        #shili .adv dl dd .hover h3 {
            font-size: 20px;
            color: #fff;
            font-weight: bold;
        }
        #shili .adv dl dd .hover h3::after {
            content: '';
            display: block;
            width: 26px;
            height: 4px;
            background-color: #fff;
            margin: 15px auto;
        }
        #shili .adv dl dd .hover .introl {
            text-align: left;
            margin-bottom: 35px;
            font-size: 14px;
        }
        #shili .adv dl dd .hover .introl p {
            color: #ffffff;
        }
        #shili .adv dl dd .hover a {
            color: #ffffff;
            border-radius: 90px;
            border: solid 1px #ffffff;
            padding: 6px 15px;
        }
        /* ===== Strength Section (inside #shili) ===== */
        .strength {
            position: relative;
            color: #fff;
        }
        .strength-inner {
            position: relative;
            z-index: 1;
            padding: 0 0 60px 0;
            background: transparent;
        }
        .strength .head {
            text-align: center;
            margin-bottom: 48px;
        }
        .strength .head h2 {
            font-size: 36px;
            letter-spacing: 6px;
            font-weight: 800;
            color: #fff;
        }
        .strength .head p {
            color: #e0e0e0;
            margin-top: 12px;
            font-size: 15px;
        }
        .ks {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            margin-bottom: 48px;
        }
        .ks .num {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .ks .num small {
            font-size: 22px;
        }
        .ks .cap {
            color: #ccc;
            font-size: 13px;
            margin-top: 6px;
        }
        /* ===== Strength Grid – with hover detail expand ===== */
        .strength-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            align-items: flex-start;
            /* 关键：防止所有卡片被拉伸到同一高度 */
        }
        .str-card {
            color: var(--ink);
            min-height: 340px;
            display: flex;
            flex-direction: column;
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .str-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 24px 48px rgba(0, 0, 0, .30);
        }
        .str-card .photo {
            height: 235px;
            display: grid;
            place-items: center;
         
            flex-shrink: 0;
        }
        .str-card .body {
            padding: 20px 18px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
            transition: background 0.5s ease, color 0.4s ease, padding 0.3s ease;
            background: #fff; min-height:160px
        }
        .str-card .idx {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 2px;
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }
        .str-card .idx::after {
            content: "";
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            margin-top: 6px;
            transition: background 0.3s ease;
        }
        .str-card h4 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 8px;
            line-height: 1.3;
            transition: color 0.3s ease;
        }
        .str-card .sub {
            color: var(--gray);
            font-size: 13px;
            letter-spacing: .5px;
            line-height: 1.6;
            transition: color 0.3s ease;
        }
        .str-card.featured {
            background: linear-gradient(160deg, var(--primary), #e08a2e);
            color: #fff;
        }
        .str-card.featured .sub {
            color: #ffe9d2;
        }
        .str-card.featured .idx::after {
            background: #fff;
        }
        .str-card.featured .photo {
            background: rgba(255, 255, 255, .16);
        }
        .str-card .photo.p1 {
            background: linear-gradient(160deg, #dfe9df, #aebfae);
        }
        .str-card .photo.p2 {
            background: linear-gradient(160deg, #3d3d3d, #1c1c1c);
        }
        .str-card .photo.p3 {
            background: linear-gradient(160deg, #f3e6d2, #e0c8a4);
        }
        .str-card .photo.p4 {
            background: linear-gradient(160deg, #d8d8d8, #b5b5b5);
        }
        .online-btn {
            margin-top: auto;
            align-self: flex-start;
            border: 1.5px solid #fff;
            color: #fff;
            background: transparent;
            padding: 8px 18px;
            font-size: 12px;
            letter-spacing: 1px;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 700;
        }
        .online-btn:hover {
            background: #fff;
            color: var(--primary);
        }
        /* ---- Hover: entire card background becomes bg2.png, cover the whole card ---- */
        .str-card:not(.featured):hover {
            background: url('/style/images/bg2.png') no-repeat center bottom;
            background-size: 100% 460px;
            /* 宽度100%，高度自适应原图比例 */;
        }
        /* Make .body transparent to show the card's background */
        .str-card:not(.featured):hover .body {
            background: transparent !important;
            color: #fff;
        }
        .str-card:not(.featured):hover .body .sub {
            color: rgba(255, 255, 255, 0.85);
        }
        .str-card:not(.featured):hover .body .idx {
            color: rgba(255, 255, 255, 0.9);
        }
        .str-card:not(.featured):hover .body .idx::after {
            background: #fff;
        }
        .str-card:not(.featured):hover .body h4 {
            color: #fff;
        }
        /* ---- Detail Expand ---- */
        .str-card .detail-expand {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height 0.5s cubic-bezier(.22, .68, 0, 1),
                opacity 0.4s ease,
                padding 0.4s ease,
                margin 0.4s ease;
            background: transparent;
            padding: 0 18px;
            margin-top: 0;
            border-radius: 0 0 var(--radius) var(--radius);
            color: #fff;
            flex-shrink: 0;
        }
        .str-card .detail-expand p {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 12px;
            color: #fff;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
            text-align: left;
        }
        .str-card .detail-expand .detail-btn {
            display: block;
            margin: 0 auto;
            padding: 6px 20px;
            border: 1.5px solid #fff;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #fff;
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            margin-bottom: 4px;
        }
        .str-card .detail-expand .detail-btn:hover {
            background: #fff;
            color: var(--primary-dark);
        }
        /* Hover state – expand detail with min-height 400px */
        .str-card:not(.featured):hover .detail-expand {
            max-height: 600px;
            opacity: 1;
            padding: 0px 18px 24px;
            margin-top: 4px;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            margin-top: -50px;
        }
        /* Featured card – keep as is, no extra expand */
        .str-card.featured .detail-expand {
            display: none;
        }
        /* Override for featured card – it already shows details */
        .str-card.featured .body {
            padding-bottom: 24px;
        }
        /* ===== OEM Solutions ===== */
        .oem {
            position: relative;
            padding: 80px 0 100px;
            color: #fff;
            overflow: hidden;
            background: radial-gradient(1100px 550px at 85% 20%, rgba(255, 180, 90, .45), transparent 55%),
                linear-gradient(115deg, #8c1d13 0%, #c0391b 45%, #e07b23 100%);
        }
        .oem h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .oem .lead {
            color: #ffe3c2;
            max-width: 820px;
            font-size: 15px;
        }
        .oem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .oem-card {
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .22);
            padding: 32px 24px 38px;
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .oem-card:hover {
            background: rgba(255, 255, 255, .18);
            transform: translateY(-6px);
        }
        .oem-card .ic {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 1.5px solid rgba(255, 255, 255, .85);
            display: grid;
            place-items: center;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .oem-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: .4px;
        }
        .oem-card p {
            color: #ffe9d2;
            font-size: 14px;
            line-height: 1.7;
        }
        /* ===== Service Process ===== */
        .process {
            padding: 80px 0;
            background: #fff;
        }
        .process .section-title {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 48px;
        }
        .process .section-title::before {
            content: "";
            width: 5px;
            height: 30px;
            background: var(--primary);
            border-radius: 4px;
            display: inline-block;
        }
        .steps {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }
        .step {
            background: #fff;
            border: 1px solid #eee;
            border-radius: var(--radius);
            padding: 0 12px 24px;
            text-align: center;
            transition: var(--transition);
        }
        .step:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: 0 18px 38px rgba(0, 0, 0, .08);
        }
        .step .no {
            font-size: 28px;
            font-weight: 800;
            color: #d9d9d9;
            margin: -16px auto 12px;
            width: 44px;
            height: 44px;
            background: #fff;
            border: 1.5px solid #e6e6e6;
            border-radius: 50%;
            display: grid;
            place-items: center;
            position: relative;
            transition: var(--transition);
        }
        .step:hover .no {
            border-color: var(--primary);
            color: var(--primary);
        }
        .step .ic {
            font-size: 40px;
            color: var(--ink);
            margin-bottom: 15px; margin-top:15px
        }
        .step .cap {
            font-size: 12.5px;
            font-weight: 700;
            color: #333;
            line-height: 1.4;
            min-height: 36px;
        }
        /* ===== News Section ===== */
        .news-section {
            padding: 80px 0 90px;
            background: #fbfaf8;
            text-align: center;
        }
        .news-section .tag {
            color: var(--primary);
            font-size: 13px;
            letter-spacing: 4px;
            font-weight: 800;
        }
        .news-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin: 8px 0 10px;
        }
        .news-section .lead {
            margin-bottom: 40px;
            font-size: 16px;
            color: var(--gray);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-item {
            background: #fff;
            padding: 0 0 20px;
            border-radius: var(--radius);
            position: relative;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .04);
            text-align: left;
            overflow: hidden;
        }
        .news-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 44px rgba(0, 0, 0, .10);
        }
        .news-item .thumb {
            height: 160px;
            background: linear-gradient(160deg, #f2f2f2, #ddd);
            display: grid;
            place-items: center;
            font-size: 46px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .news-item .body {
            padding: 0 18px;
        }
        .news-item .meta {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--gray);
            margin-bottom: 6px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .news-item .meta span i {
            margin-right: 4px;
        }
        .news-item h4 {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 6px;
            line-height: 1.3; margin-top:20px
        }
        .news-item p {
            color: var(--gray);
            font-size: 13.5px;
            line-height: 1.7;
        }
        .news-item .read-more {
            display: inline-block;
            margin-top: 12px;
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            transition: var(--transition);
        }
        .news-item .read-more:hover {
            color: var(--primary-dark);
            transform: translateX(4px);
        }
        .news-item .read-more::after {
            content: " →";
        }
        /* ===== Footer ===== */
        footer {
            background: var(--footer);
            color: #cfc4b4;
            padding: 60px 0 0;
            font-size: 14px;
            margin-top: 0;
        }
        .foot-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.5fr;
            gap: 50px;
            padding-bottom: 60px;
        }
        .foot-grid h5 {
            color: #fff;
            font-size: 16px;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 24px;
        }
        .foot-brand .logo {
            margin-bottom: 20px;
        }
        .foot-brand p {
            font-size: 13.5px;
            color: #a99a86;
            max-width: 380px;
            line-height: 1.8;
        }
        .foot-grid li {
            margin-bottom: 12px;
        }
        .foot-grid li a {
            color: #b7a78f;
            font-size: 13.5px;
            transition: var(--transition);
        }
        .foot-grid li a:hover {
            color: var(--primary);
        }
        .contact li {
            display: flex;
            gap: 14px;
            color: #b7a78f;
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 16px;
        }
   
        .contact li .ci {
            color: var(--primary);
            flex: none;
            margin-top: 2px;
            font-size: 16px;
            width: 22px;
            text-align: center;
        }
        .copy {
            border-top: 1px solid #2a2015;
            text-align: center;
            color: #7d6f5b;
            font-size: 12.5px;
            padding: 24px 0;
        }

        /* ===== Side Support ===== */
        .side-support {
            position: fixed;
            right: 20px;
            bottom: 120px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .side-support .btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 8px 28px rgba(0, 0, 0, .18);
            display: grid;
            place-items: center;
            font-size: 22px;
            color: var(--primary-dark);
            transition: var(--transition);
            cursor: pointer;
            border: none;
            position: relative;
        }
        .side-support .btn:hover {
            transform: scale(1.12);
            box-shadow: 0 12px 36px rgba(0, 0, 0, .25);
        }
        .side-support .btn.chat {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(217, 124, 30, .35);
            border: 2px solid var(--primary);
        }
        .side-support .btn.chat:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .side-support .btn .tooltip {
            position: absolute;
            right: 62px;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, .80);
            color: #fff;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .side-support .btn:hover .tooltip {
            opacity: 1;
        }

        /* ===== Modal Form ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 2000;
            background: rgba(0, 0, 0, .65);
            backdrop-filter: blur(6px);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            animation: fadeIn .3s ease;
        }
        .modal-overlay.open {
            display: flex;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: scale(.96);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        .modal-box {
            background: #fff;
            max-width: 540px;
            width: 100%;
            border-radius: var(--radius);
            padding: 40px 44px 44px;
            position: relative;
            box-shadow: 0 40px 80px rgba(0, 0, 0, .40);
            animation: slideUp .4s ease;
        }
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .modal-close {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 28px;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
            background: none;
            border: none;
            line-height: 1;
        }
        .modal-close:hover {
            color: var(--ink);
            transform: rotate(90deg);
        }
        .modal-box h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--ink);
        }
        .modal-box .sub {
            color: var(--gray);
            font-size: 14px;
            margin-bottom: 26px;
        }
        .modal-box .form-group {
            margin-bottom: 18px;
        }
        .modal-box .form-group label {
            display: block;
            font-weight: 700;
            font-size: 13px;
            margin-bottom: 4px;
            color: var(--ink);
        }
        .modal-box .form-group input,
        .modal-box .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid #e0e0e0;
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            font-family: inherit;
            background: #fafafa;
        }
        .modal-box .form-group input:focus,
        .modal-box .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(217, 124, 30, .12);
            background: #fff;
        }
        .modal-box .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .modal-box .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 1px;
        }
        .modal-box .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(217, 124, 30, .30);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1200px) {
            .slide-copy h1 {
                font-size: 56px;
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strength-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
		.nav-links{width:100%!important; width:100%!important; position:absolute!important; top:20px!important; right:0px!important}
        .mega-menu-wrap{ width:100%!important; position:absolute!important; top:20px!important; right:0px!important}
            .nav-toggle {
                display: block;
            }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                padding: 30px 24px;
                gap: 16px;
                backdrop-filter: blur(12px);
                border-top: 1px solid rgba(0, 0, 0, .06);
            }
            .nav-links.open a {
                font-size: 15px;
                padding: 8px 0;
                color: var(--ink) !important;
            }
            .nav-links.open a:hover {
                color: var(--primary) !important;
            }
            header.scrolled .nav-links.open {
                background: rgba(255, 255, 255, 0.98);
            }

            .slide-copy h1 {
                font-size: 42px;
            }
            .slide .duck {
                display: none;
            }
            .stats .card {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat {
                border-right: none;
                border-bottom: 1px solid #efefef;
            }
            .stat:nth-child(2) {
                border-right: none;
            }
            .stat:nth-child(3) {
                border-bottom: none;
            }
            .stat:nth-child(4) {
                border-bottom: none;
            }
            .about .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .paw-print {
                transform: scale(.8);
                transform-origin: center center;
                height: 320px;
            }
            .prod-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ks {
                grid-template-columns: repeat(2, 1fr);
            }
            .strength-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .oem-grid {
                grid-template-columns: 1fr;
            }
            .steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .foot-grid {
                grid-template-columns: 1fr 1fr;
            }
            .side-support {
                right: 12px;
                bottom: 100px;
            }
            .side-support .btn {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .slider-controls {
                bottom: 20px;
                right: 20px;
                gap: 10px;
            }
            .slider-arrows button {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }
            .modal-box {
                padding: 30px 24px 34px;
            }
            header {
                height: 100px;
                /* 修复手机端漂移 */
                top: 0 !important;
                transform: translateZ(0) !important;
                -webkit-transform: translateZ(0) !important;
                will-change: transform;
                backface-visibility: hidden;
            }
            #shili {
                height: auto;
                padding: 50px 0 30px;
                min-height: auto;
            }
            .strength-inner {
                padding: 0 0 30px 0;
            }
            .str-card .detail-expand p {
                font-size: 12px;
            }
            .str-card:not(.featured):hover .detail-expand {
                min-height: 300px;
            }
        }

        @media (max-width: 640px) {
            .slide-copy h1 {
                font-size: 30px;
            }
            .slide-copy p {
                font-size: 14px;
            }
            .slide-copy .btn-more {
                padding: 10px 20px;
                font-size: 12px;
            }
            .section-title {
                font-size: 28px;
            }
            .prod-grid,
            .steps,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .strength-grid {
                grid-template-columns: 1fr;
            }
            .foot-grid {
                grid-template-columns: 1fr;
            }
            .stats .card {
                grid-template-columns: 1fr;
            }
            .stat {
                border-bottom: 1px solid #efefef;
            }
            .stat:last-child {
                border-bottom: none;
            }
            .ks {
                grid-template-columns: 1fr 1fr;
            }
            .hero-slider {
                min-height: 560px;
                height: 80vh;
            }
            .slide .container {
                padding: 0 10px;
            }
            .slider-controls {
                bottom: 16px;
                right: 16px;
                gap: 8px;
            }
            .slider-arrows button {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .modal-box {
                padding: 24px 18px 28px;
            }
            .modal-box h3 {
                font-size: 20px;
            }
            .side-support {
                right: 8px;
                bottom: 80px;
                gap: 8px;
            }
            .side-support .btn {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .side-support .btn .tooltip {
                display: none;
            }
            header {
                height: 100px;
                top: 0 !important;
                transform: translateZ(0) !important;
                -webkit-transform: translateZ(0) !important;
                will-change: transform;
                backface-visibility: hidden;
            }
            .container {
                padding: 0 0px;
            }
            #shili {
                height: auto;
                padding: 40px 0 20px;
                min-height: auto;
            }
            #shili .shuju dl dt strong {
                font-size: 36px;
            }
            #shili .shuju dl dd {
                font-size: 14px;
            }
            #shili .tit h3 {
                font-size: 24px;
            }
            #shili .tit p {
                font-size: 14px;
            }
            .strength-inner {
                padding: 0 0 20px 0;
            }
            .str-card .detail-expand p {

                font-size: 12px;
            }
            .str-card:not(.featured):hover .detail-expand {
                min-height: 350px;
                padding: 16px 14px 20px;
            }
            .str-card .body {
                padding: 16px 14px 20px;

            }
            .str-card .detail-expand {
                padding: 0 14px;
            }
			
        }
	@media (max-width: 992px) {
    /* 强制禁止横向滚动 */
    html, body {
        overflow-x: hidden !important;
        max-width: 100% !important;
    }

    /* 修复 mega-menu 容器偏移 */
    .mega-menu-wrap {
        position: relative !important;   /* 改为相对定位，避免脱离文档流 */
        top: auto !important;
        right: auto !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* 导航栏容器确保不溢出 */
    .navbar {
        flex-wrap: nowrap !important;
        justify-content: space-between !important;
        width: 100% !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
    }

    /* 隐藏菜单按钮（汉堡）避免溢出 */
    .nav-toggle {
        flex-shrink: 0 !important;
    }

    /* 如果菜单展开，确保其不超出左侧 */
    .nav-links.open {
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 所有容器强制不溢出 */
    .container,
    .container * {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 临时修复：如果还有元素溢出，可加上 */
    .site-content,
    .main-content,
    .entry-content,
    .page-wrap {
        overflow-x: hidden !important;
    }
}