html {
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
}

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

body {
    overflow-x: hidden;
}

img {
    max-width: 100%;
}

.nav-bar0 {
    padding: 0 16px !important;
}

.nav-bar {
    width: min(100%, 1700px) !important;
    max-width: 1700px;
    height: auto !important;
    min-height: 60px;
    gap: 16px;
    flex-wrap: wrap;
}

.nav-menu {
    width: auto;
    max-width: 100%;
    height: auto !important;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-menu li {
    width: auto !important;
    height: auto !important;
    line-height: normal !important;
}

.nav-menu li a {
    width: auto !important;
    height: auto !important;
    min-height: 44px;
    padding: 10px 14px !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    position: relative;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    color: #f4f7fb;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(1, 7, 15, 0.16);
    transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.nav-toggle span {
    position: absolute;
    left: 50%;
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transform: translateX(-50%);
    transition: top 0.25s ease, left 0.25s ease, width 0.25s ease, transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle span:nth-child(1) {
    top: 13px;
}

.nav-toggle span:nth-child(2) {
    top: 21px;
}

.nav-toggle span:nth-child(3) {
    top: 29px;
}

.nav-bar0.is-open .nav-toggle {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(94, 163, 214, 0.36);
}

.nav-bar0.is-open .nav-toggle span:nth-child(1) {
    top: 21px;
    left: 18px;
    width: 12px;
    transform: translateX(-50%) rotate(45deg);
}

.nav-bar0.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
    transform: translateX(-50%) scaleX(0);
}

.nav-bar0.is-open .nav-toggle span:nth-child(3) {
    top: 21px;
    left: 26px;
    width: 12px;
    transform: translateX(-50%) rotate(-45deg);
}

.logo img {
    display: block;
}

.slider-container,
.cpbthz,
.app-container,
.img-showcase,
.product-container-hzhb,
.product-container-lxwm,
.about-container,
.qualification-carousel-container {
    width: min(calc(100% - 32px), 1700px) !important;
}

.about-container {
    margin-top: 24px !important;
}

.qualification-carousel-container {
    margin: 60px auto 120px auto !important;
    min-height: 640px;
    padding: 56px 0 68px !important;
}

.slider-container {
    margin-top: 16px !important;
    height: clamp(240px, 52vw, 880px) !important;
}

.img-showcase {
    margin-top: 16px !important;
    width: min(calc(100% - 32px), 1920px) !important;
    height: clamp(240px, 34vw, 480px) !important;
    border-radius: 24px;
}

.img-biaoti,
.img-text {
    padding-left: clamp(24px, 8vw, 15%) !important;
}

.partner-title {
    display: block !important;
    width: min(calc(100% - 32px), 1700px) !important;
    margin: 40px auto 0 !important;
    text-align: left !important;
}

.img-biaoti {
    padding-top: clamp(56px, 8vw, 8%) !important;
    font-size: clamp(32px, 4vw, 58px) !important;
    line-height: 1.1 !important;
}

.img-text {
    max-width: 680px;
    padding-right: 24px;
    font-size: clamp(16px, 1.6vw, 18px) !important;
    line-height: 1.7 !important;
}

.product-container,
.ai-assistant-container,
.chanpingtx-container,
.shoubiaohezi,
.dingzhihua-boxes,
.multi-resolution-firmware,
.biaoti-text,
.timeline-progress,
.timeline-carousel-container,
.focus-box,
.timeline-section {
    width: min(calc(100% - 32px), 1600px) !important;
}

.product-container {
    gap: 24px;
    justify-content: center !important;
}

.product-item,
.product-item-app {
    flex: 1 1 280px;
    width: 100% !important;
    max-width: 520px;
}

.product-item img,
.product-item-app img {
    width: 100% !important;
    height: auto !important;
}

.about-text {
    padding: clamp(56px, 4.8vw, 80px) clamp(40px, 3.6vw, 60px) clamp(48px, 4vw, 60px) clamp(48px, 4.8vw, 80px) !important;
}

.about-image {
    justify-content: flex-end !important;
    padding: clamp(36px, 3vw, 48px) clamp(48px, 4.8vw, 80px) clamp(36px, 3vw, 48px) clamp(20px, 2vw, 32px) !important;
    box-sizing: border-box;
}

.about-image img {
    width: min(100%, 720px) !important;
}

.product-container-hzhb {
    justify-content: center !important;
    gap: 20px;
}

.ring-hardware-grid {
    align-items: flex-start;
}

.ring-hardware-grid > .jiezi-corner2:nth-child(2) {
    aspect-ratio: 1172 / 420;
    align-items: center;
}

.ring-hardware-grid > .jiezi-corner2:nth-child(2) p {
    display: flex;
    align-items: center;
    height: 100%;
    line-height: 1.35;
    padding-right: 40px;
}

.ring-hardware-grid .jieziright {
    margin-top: -8%;
}

.ai-assistant-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.ai-assistant-grid .ai-corner {
    width: 100% !important;
    min-height: 340px;
    margin: 0 !important;
    border-radius: 24px;
}

.ai-assistant-grid .top-left,
.ai-assistant-grid .bottom-right {
    padding: 0;
    background: rgba(255, 255, 255, 0.03);
}

.ai-assistant-grid .ai-corner img {
    width: 100% !important;
    height: 100%;
    object-fit: cover;
    display: block;
}

.ai-assistant-grid .left-text,
.ai-assistant-grid .right-text {
    align-items: flex-start;
    justify-content: center;
    padding: 40px 42px;
}

.firmware-strip {
    max-width: none !important;
    margin: 28px auto 54px !important;
    padding: 10px 0 18px;
    overflow: visible !important;
}

.firmware-strip .firmware-container {
    display: grid !important;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(22px, 1.8vw, 30px);
    align-items: stretch;
    justify-content: initial !important;
    position: relative;
    isolation: isolate;
    overflow: visible;
}

.firmware-strip .firmware-box {
    width: 100% !important;
    min-height: 208px;
    margin-bottom: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 12px;
    z-index: 0;
}

.firmware-strip .firmware-box img {
    width: auto !important;
    height: auto !important;
    max-width: 100%;
    max-height: clamp(152px, 16vw, 192px);
    object-fit: contain;
    background: none;
}

.firmware-strip .firmware-box:hover {
    z-index: 2;
}

.ai-assistant-grid .ai-corner h3,
.ai-assistant-grid .ai-corner p {
    width: 100%;
    max-width: none;
    padding-left: 0 !important;
    padding-right: 0 !important;
}

.ai-assistant-grid .ai-corner h3 {
    margin-bottom: 16px;
}

.partner-grid-4 {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 264px));
    justify-content: center;
    gap: 36px 36px;
    align-items: stretch;
    max-width: 1164px !important;
}

.partner-grid-4 .partner-item {
    width: 100% !important;
    max-width: none;
    height: auto !important;
    aspect-ratio: 1.32 / 1;
    padding: 14px 20px !important;
    border-radius: 16px;
    margin: 0 !important;
}

.partner-grid-4 .partner-item img {
    width: 86%;
    height: 68%;
    margin: 0 auto;
}

.partner-item {
    width: min(200px, calc(50% - 20px)) !important;
    height: auto !important;
    aspect-ratio: 1 / 1;
    margin: 0 !important;
}

.product-container-lxwm {
    height: auto !important;
    margin: 40px auto 0 !important;
    padding: 0 !important;
}

.product-container-lxwm > img:first-child {
    width: 100% !important;
    height: clamp(240px, 33vw, 631px) !important;
    object-fit: cover;
    display: block;
}

.lxwm-jzhz {
    position: relative !important;
    top: 0 !important;
    width: min(calc(100% - 32px), 1040px) !important;
    height: auto !important;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: -88px auto 0 !important;
}

.company-info,
.contact-form {
    float: none !important;
    width: calc(50% - 12px) !important;
    min-width: 0;
    height: auto !important;
}

.contact-form form {
    width: 100%;
}

.form-group {
    width: 100% !important;
}

.form-group input,
.form-group textarea {
    display: block;
}

.contact-form h3[style],
.submit-btn[style] {
    margin-left: 0 !important;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.contact-form form .submit-btn {
    display: flex;
    margin-top: 8px !important;
    margin-right: auto;
    margin-left: auto !important;
}

.app-container {
    margin: 40px auto !important;
}

.app-slider {
    align-items: stretch;
}

.app-slide {
    justify-content: center !important;
    gap: 28px;
}

.app-image,
.app-content {
    width: auto !important;
}

.app-image {
    left: -52px !important;
    flex: 0 0 424px;
    max-width: 424px;
}

.app-content {
    flex: 0 1 520px;
    max-width: 608px;
    min-width: 0;
    margin-left: 0;
    position: relative;
    z-index: 2;
    padding: 24px 22px 72px 2px !important;
}

.app-content > * {
    position: relative;
    z-index: 2;
}

.app-content p:first-of-type {
    max-width: 38ch;
}

.app-container .slider-nav {
    left: 0;
    right: 0;
    bottom: 34px;
    width: fit-content;
    margin: 0 auto;
    transform: none;
    display: flex;
    justify-content: center;
    gap: 26px;
    z-index: 2;
}

.app-container .slider-dot {
    margin: 0;
}

.app-download,
.app-account-delete {
    border: 0;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
}

.qr-code {
    z-index: 3;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.focus-products {
    gap: 32px !important;
}

.focus-product-item {
    width: min(100%, 420px) !important;
}

.timeline-carousel {
    gap: 24px !important;
}

.timeline-box {
    min-width: 280px !important;
}

.qualification-carousel-container {
    width: min(calc(100% - 32px), 1600px) !important;
}

.site-footer {
    width: 100%;
    padding: 10px 16px;
    background: #181818;
    position: relative;
    z-index: 2;
}

.site-footer--attached {
    margin-top: 0;
}

.site-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 14px;
    text-align: center;
}

.site-footer-copy {
    color: #fff;
    font-size: 13px;
    line-height: 1.4;
}

.site-footer-record {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 3px 10px;
    border-radius: 4px;
    background: #232323;
    color: #fff;
    text-decoration: none;
}

@media (max-width: 1100px) {
    .nav-bar {
        justify-content: center !important;
    }

    .nav-menu {
        justify-content: center !important;
    }

    .nav-bar2 {
        width: min(calc(100% - 32px), 1600px) !important;
        height: auto !important;
        padding: 16px 0 !important;
        gap: 16px;
        flex-direction: column;
        align-items: flex-start !important;
    }

    #tabs {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    #tabs button {
        flex: 0 0 auto;
    }

    .ai-assistant-container {
        gap: 20px;
    }

    .ring-hardware-grid > .jiezi-corner2:nth-child(2) {
        aspect-ratio: 1172 / 420;
    }

    .ring-hardware-grid > .jiezi-corner2:nth-child(2) p {
        padding-right: 24px;
    }

    .ring-hardware-grid .jieziright {
        margin-top: -8%;
    }

    .ai-assistant-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }

    .ai-corner {
        width: calc(50% - 10px) !important;
    }

    .ai-assistant-grid .ai-corner {
        width: 100% !important;
        min-height: 300px;
    }

    .left-text,
    .right-text {
        padding: 24px 0;
    }

    .zhukon-boxes {
        gap: 16px;
        padding: 0 !important;
    }

    .feature-box {
        width: calc(50% - 8px) !important;
    }

    .firmware-box {
        width: calc(33.333% - 12px) !important;
    }

    .firmware-strip .firmware-container {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 20px;
    }

    .firmware-strip .firmware-box {
        width: 100% !important;
        min-height: 208px;
    }

    .firmware-strip .firmware-box img {
        max-height: 180px;
    }

    .company-info,
    .contact-form {
        width: 100% !important;
    }

    .lxwm-jzhz {
        top: 0 !important;
        margin-top: -56px !important;
    }

    .site-footer--attached {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    .nav-bar0 {
        padding: 10px 12px !important;
        height: auto !important;
    }

    .nav-bar {
        padding: 0 !important;
    }

    .nav-bar0.nav-enhanced .nav-bar {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        min-height: 56px;
        gap: 0 12px;
    }

    .nav-bar0.nav-enhanced .logo {
        min-width: 0;
    }

    .nav-bar0.nav-enhanced .logo img {
        height: 38px;
    }

    .nav-bar0.nav-enhanced .nav-toggle {
        display: inline-flex;
    }

    .nav-bar0.nav-enhanced .nav-menu {
        grid-column: 1 / -1;
        width: 100%;
        margin-top: 0;
        padding-top: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transform: translateY(-6px);
        transition: max-height 0.28s ease, opacity 0.22s ease, transform 0.28s ease, margin-top 0.28s ease, padding-top 0.28s ease;
    }

    .ai-assistant-grid {
        grid-template-columns: 1fr;
    }

    .nav-bar0.nav-enhanced.is-open .nav-menu {
        max-height: 360px;
        margin-top: 12px;
        padding-top: 4px;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }

    .nav-bar0.nav-enhanced .nav-menu li {
        flex: none;
        width: 100% !important;
    }

    .nav-bar0.nav-enhanced .nav-menu li a {
        width: 100% !important;
        min-height: 46px;
        padding: 12px 16px !important;
        gap: 10px;
        justify-content: flex-start;
        white-space: normal;
        text-align: left;
        line-height: 1.35;
        border-radius: 18px;
        background: rgba(255, 255, 255, 0.03);
    }

    .nav-bar0.nav-enhanced .nav-menu li a.dqli {
        color: #F75500 !important;
        background: rgba(247, 85, 0, 0.08) !important;
        box-shadow: inset 0 0 0 1px rgba(247, 85, 0, 0.18);
    }

    .nav-bar0.nav-enhanced .qiehuan {
        width: 20px !important;
        margin-right: 6px;
    }

    .qiehuan {
        width: 24px !important;
    }

    .slider-container {
        margin-top: 12px !important;
        aspect-ratio: 1700 / 910;
        height: auto !important;
    }

    .slider-buttons {
        bottom: 20px !important;
        gap: 16px !important;
    }

    .slider-button,
    .slider-dot {
        width: 10px;
        height: 10px;
    }

    .cpbthz,
    .product-container,
    .app-container,
    .img-showcase,
    .product-container-hzhb,
    .product-container-lxwm,
    .about-container,
    .qualification-carousel-container,
    .ai-assistant-container,
    .chanpingtx-container,
    .shoubiaohezi,
    .dingzhihua-boxes,
    .multi-resolution-firmware,
    .biaoti-text,
    .timeline-progress,
    .timeline-carousel-container,
    .focus-box,
    .timeline-section {
        width: calc(100% - 24px) !important;
    }

    .about-container {
        margin-top: 16px !important;
    }

    .img-showcase {
        margin-top: 12px !important;
        height: auto !important;
        padding: 40px 0 32px;
    }

    .slider,
    .slide {
        height: 100% !important;
    }

    .slide img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        object-position: center center !important;
        transform: none !important;
        display: block;
    }

    .img-biaoti {
        margin-bottom: 16px !important;
    }

    .cpbthz {
        margin-top: 42px !important;
        margin-bottom: 10px !important;
    }

    .cpbt {
        gap: 4px;
    }

    .cpbt h2 {
        font-size: 28px !important;
        padding-bottom: 10px;
    }

    .cpbt p {
        font-size: 12px;
        letter-spacing: 0.24em;
    }

    .nav-bar1 {
        display: block;
        height: auto !important;
        margin: 18px 0 24px !important;
    }

    .nav-bar2 {
        width: calc(100% - 24px) !important;
        padding: 16px !important;
        gap: 14px !important;
        border-radius: 24px !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        box-sizing: border-box;
    }

    .nav-bar2 .nav-text {
        width: 100%;
        height: auto !important;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .nav-bar2 .nav-text p {
        float: none !important;
        height: auto !important;
        margin: 0 !important;
    }

    .nav-bar2 .nav-text p:first-child {
        font-size: 13px !important;
        line-height: 1.1 !important;
        letter-spacing: 0.18em;
    }

    .nav-bar2 .nav-text p:last-child {
        font-size: 20px !important;
        line-height: 1.2 !important;
        color: var(--text-primary);
    }

    #tabs {
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
        height: auto !important;
        gap: 8px;
        overflow: visible;
        padding-bottom: 0;
    }

    #tabs button,
    #tabs button:focus {
        min-width: 0 !important;
        width: 100% !important;
        min-height: 50px;
        height: auto !important;
        padding: 10px 8px !important;
        line-height: 1.25 !important;
        font-size: 14px !important;
        white-space: normal;
        word-break: break-word;
        display: flex !important;
        align-items: center;
        justify-content: center;
        text-align: center;
        border-radius: 18px;
    }

    .biaoti-text p {
        height: auto !important;
        padding: 12px 0 !important;
        font-size: 28px !important;
        line-height: 1.2 !important;
    }

    .product-item,
    .product-item-app,
    .focus-product-item,
    .feature-box,
    .dingzhihua-box-top,
    .dingzhihua-box-bottom,
    .firmware-box,
    .qualification-box,
    .qualification-box.center {
        width: 100% !important;
        max-width: none !important;
    }

    .ai-corner,
    .left-text,
    .right-text,
    .jiezi-corner,
    .jiezi-corner2 {
        width: 100% !important;
    }

    .ring-hardware-grid > :nth-child(1) {
        order: 1;
    }

    .ring-hardware-grid > :nth-child(2) {
        order: 2;
    }

    .ring-hardware-grid > :nth-child(3) {
        order: 4;
    }

    .ring-hardware-grid > :nth-child(4) {
        order: 3;
    }

    .ring-hardware-grid .jiezi-corner,
    .ring-hardware-grid .jiezi-corner2 {
        margin: 8px auto !important;
    }

    .ai-assistant-grid .ai-corner {
        min-height: 0;
    }

    .ai-assistant-grid .left-text,
    .ai-assistant-grid .right-text {
        padding: 28px 20px !important;
    }

    .ai-corner h3,
    .ai-corner p,
    .jiezi-corner p,
    .jiezi-corner2 p {
        padding-left: 20px !important;
        padding-right: 20px !important;
    }

    .jiezi-corner p,
    .jiezi-corner2 p {
        display: flex;
        align-items: flex-end;
        padding-bottom: 24px;
        line-height: 1.4 !important;
    }

    .ring-hardware-grid > .jiezi-corner2:nth-child(2) p {
        align-items: flex-end;
        height: auto;
        padding-right: 20px;
    }

    .ring-hardware-grid .jieziright {
        margin-top: 8px !important;
    }

    .chanpingtx-container {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .chanpingtx-box {
        padding: 16px 12px 10px !important;
    }

    .chanpingtx-name {
        margin-top: 8px !important;
        margin-bottom: 4px !important;
        font-size: 15px !important;
        line-height: 1.35 !important;
    }

    .shoubiao-text,
    .app-content p {
        font-size: 16px !important;
        line-height: 1.65 !important;
    }

    .zhukon-boxes {
        flex-wrap: wrap;
        gap: 12px !important;
    }

    .product-container {
        gap: 18px !important;
    }

    .feature-box {
        width: calc(50% - 6px) !important;
        padding: 12px 10px 8px !important;
    }

    .zhukon-boxes .feature-image-container img {
        width: 82% !important;
    }

    .zhukon-boxes .feature-text {
        padding: 8px 4px 2px !important;
    }

    .zhukon-boxes .feature-text h3 {
        margin: 0 !important;
        font-size: 15px !important;
        line-height: 1.3 !important;
    }

    .firmware-container {
        gap: 16px;
    }

    .firmware-box {
        width: calc(50% - 8px) !important;
    }

    .firmware-strip .firmware-container {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 18px;
    }

    .firmware-strip .firmware-box {
        width: 100% !important;
        min-height: 184px;
        padding: 14px 12px;
    }

    .firmware-strip .firmware-box img {
        max-height: 156px;
    }

    .timeline-progress {
        display: none !important;
    }

    .timeline-carousel {
        padding: 0 !important;
        gap: 16px !important;
    }

    .timeline-box {
        flex: 0 0 100% !important;
        min-width: 100% !important;
        max-width: none !important;
    }

    .timeline-dots {
        display: flex !important;
    }

    .qualification-carousel {
        flex-wrap: wrap;
        gap: 12px;
        min-height: 0 !important;
        align-items: stretch;
    }

    .qualification-box:not(.center) {
        display: none !important;
    }

    .qualification-box.center {
        transform: none !important;
        width: min(100%, 340px) !important;
        height: 236px !important;
        margin: 0 auto !important;
    }

    .qualification-box.center img {
        height: 72% !important;
    }

    .qualification-box.center .qualification-text {
        padding: 10px 12px 12px !important;
        font-size: 15px !important;
        line-height: 1.35 !important;
    }

    .qualification-dots {
        gap: 14px;
        margin-top: 18px;
    }

    .qualification-dot {
        width: 10px;
        height: 10px;
    }

    .qualification-carousel-container {
        min-height: 0;
        padding: 32px 0 38px !important;
    }

    .about-text,
    .about-image-desktop {
        padding: 30px !important;
    }

    .about-text h2 {
        order: 1;
        margin-bottom: 20px !important;
    }

    .about-text p {
        order: 3;
    }

    .about-image-desktop {
        display: none !important;
    }

    .about-image-mobile {
        display: flex !important;
        order: 2;
        justify-content: center !important;
        width: 100%;
        padding: 0 0 22px !important;
        margin: 0 auto;
        background: none;
    }

    .about-image-mobile img {
        width: min(100%, 720px) !important;
    }

    .focus-title,
    .timeline-title,
    .qualification-carousel-title,
    .partner-title {
        margin-bottom: 32px !important;
        font-size: 28px !important;
    }

    .product-container-hzhb {
        gap: 12px;
        padding: 24px 0 !important;
    }

    .partner-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .partner-grid-4 .partner-item {
        aspect-ratio: 1.42 / 1;
        padding: 11px 14px !important;
    }

    .qualification-box.center {
        max-width: 320px !important;
        height: 224px !important;
    }

    .qualification-box.center .qualification-text {
        padding: 8px 10px 10px !important;
        font-size: 14px !important;
    }

    .partner-grid-4 .partner-item img {
        width: 80%;
        height: 62%;
    }

    .partner-item {
        width: calc(50% - 6px) !important;
    }

    .product-container-lxwm > img:first-child {
        height: 220px !important;
    }

    .lxwm-jzhz {
        top: 0 !important;
        margin-top: -32px !important;
        width: calc(100% - 24px) !important;
        gap: 16px;
    }

    .company-info,
    .contact-form {
        padding: 20px !important;
    }

    .company-info p:nth-child(2) {
        font-size: 24px !important;
    }

    .contact-form h3 {
        margin-bottom: 16px !important;
    }

    .submit-btn {
        width: 100%;
    }

    .site-footer,
    .site-footer--attached {
        margin-top: 0 !important;
    }

    .site-footer-inner {
        flex-direction: column;
    }

    .site-footer-record {
        width: 100%;
    }

    .app-slide {
        flex-direction: column;
        align-items: center !important;
        gap: 10px;
        padding: 14px 12px 18px !important;
    }

    .app-image {
        left: 0 !important;
        flex: 0 0 auto !important;
        width: min(100%, 304px) !important;
        max-width: 304px !important;
        align-self: center;
        margin: 0 auto;
    }

    .app-image img {
        width: 100% !important;
        margin: 0 auto;
    }

    .app-content {
        width: 100% !important;
        align-self: stretch;
        margin-left: 0;
        max-width: none;
        padding: 0 0 8px !important;
    }

    .app-container .slider-nav {
        bottom: 28px !important;
        gap: 16px !important;
    }

    .app-content h1 {
        margin-bottom: 16px !important;
        font-size: 34px !important;
    }

    .app-content p {
        line-height: 1.55 !important;
        margin-bottom: 10px !important;
    }

    .app-download,
    .app-account-delete {
        margin-top: 8px !important;
    }

    .qr-code {
        bottom: calc(100% + 8px) !important;
        left: 50% !important;
    }
}

@media (max-width: 480px) {
    .nav-menu li {
        flex-basis: 100%;
    }

    .cpbthz {
        margin-top: 36px !important;
        margin-bottom: 8px !important;
    }

    .cpbt {
        gap: 3px;
    }

    .cpbt h2 {
        font-size: 26px !important;
        padding-bottom: 8px;
    }

    .nav-bar1 {
        margin: 14px 0 20px !important;
    }

    .nav-bar2 {
        padding: 14px 12px !important;
        gap: 12px !important;
        border-radius: 20px !important;
    }

    .nav-bar2 .nav-text p:first-child {
        font-size: 12px !important;
        letter-spacing: 0.16em;
    }

    .nav-bar2 .nav-text p:last-child {
        font-size: 18px !important;
    }

    #tabs {
        gap: 6px;
    }

    #tabs button,
    #tabs button:focus {
        min-height: 46px;
        padding: 8px 6px !important;
        font-size: 13px !important;
        border-radius: 16px;
    }

    .product-container {
        gap: 16px !important;
    }

    .feature-box {
        padding: 10px 8px 6px !important;
    }

    .zhukon-boxes .feature-image-container img {
        width: 78% !important;
    }

    .zhukon-boxes .feature-text {
        padding: 6px 2px 0 !important;
    }

    .zhukon-boxes .feature-text h3 {
        font-size: 14px !important;
        line-height: 1.25 !important;
    }

    .chanpingtx-container {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 12px !important;
    }

    .ring-hardware-grid .jiezi-corner,
    .ring-hardware-grid .jiezi-corner2 {
        margin: 6px auto !important;
    }

    .ring-hardware-grid .jieziright {
        margin-top: 6px !important;
    }

    .chanpingtx-box {
        padding: 12px 10px 8px !important;
    }

    .chanpingtx-name {
        margin-top: 6px !important;
        margin-bottom: 2px !important;
        font-size: 14px !important;
        line-height: 1.3 !important;
    }

    .firmware-box,
    .partner-item {
        width: 100% !important;
    }

    .firmware-strip .firmware-container {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 12px;
    }

    .partner-grid-4 {
        grid-template-columns: 1fr;
    }

    .partner-grid-4 .partner-item {
        aspect-ratio: 1.6 / 1;
    }

    .about-partner-grid.partner-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .about-partner-grid .partner-item {
        width: 100% !important;
        padding: 12px 14px !important;
    }

    .about-partner-grid.partner-grid-4 .partner-item {
        aspect-ratio: 1.28 / 1;
    }

    .about-partner-grid.partner-grid-4 .partner-item img {
        width: 82%;
        height: 64%;
    }

    .home-partner-grid.partner-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .home-partner-grid .partner-item {
        width: 100% !important;
        padding: 12px 14px !important;
    }

    .home-partner-grid.partner-grid-4 .partner-item {
        aspect-ratio: 1.28 / 1;
    }

    .home-partner-grid.partner-grid-4 .partner-item img {
        width: 82%;
        height: 64%;
    }

    .company-info p {
        line-height: 1.8 !important;
    }

    .app-download,
    .app-account-delete {
        width: 100%;
        padding: 14px 20px !important;
        text-align: center;
    }

    .img-biaoti {
        font-size: 28px !important;
    }
}