/* section-1 */
.section-1 {
    padding: 12rem 0 7rem;
}
.section-1 .container.background {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 5rem;
    min-height: 30rem;
    border-radius: 1.5rem;
    background:
        radial-gradient(circle at 0% 100%,
            rgba(8, 99, 216, 0.45) 0%,
            rgba(59, 130, 246, 0.1) 35%,
            transparent 65%),

        radial-gradient(circle at 100% 50%,
            rgba(56, 189, 248, 0.2) 0%,
            transparent 50%),

        linear-gradient(180deg, #0a1a2e 0%, #0f2540 50%, #0a1a2e 100%);
}
.section-1 .container.background::after {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, rgba(123, 187, 189, 0.5), rgba(123, 187, 189, 0.05) 50%, rgba(123, 187, 189, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.section-1 .content-txt {
    position: relative;
    z-index: 2;
    flex: 0 1 45%;
    text-align: left;
    letter-spacing: 2px;
    color: #fff;
    margin: 0;
    padding: 0;
}
.section-1 .content-txt .button {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.section-1 .content-txt .button span {
    display: inline-block;
    padding: 0.35rem 1rem;
    border: 1px solid var(--moki-blue);
    border-radius: 2rem;
    color: #fff;
    font-size: 0.95rem;
    line-height: 1.5;
    background-color: rgba(123, 187, 189, 0.05);
}
.section-1 .content-txt h1 {
    margin: 0 0 1rem 0;
}
.section-1 .content-txt .title-bg {
    font-size: clamp(1.8rem, 4.5vw, 2.5rem);
    font-weight: 700;
    padding: 0 1rem 0 0.5rem;
    letter-spacing: 3px;
}
.section-1 .content-txt .title-en {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    font-weight: 300;
    color: #ccc;
    margin: 0 0 1rem 0;
    letter-spacing: 4px;
}
.section-1 .content-txt .line {
    width: 65%;
    height: 2px;
    background: linear-gradient(90deg, var(--moki-blue) 0%, transparent 100%);
    margin: 1rem 0;
}
.section-1 .content-txt .content {
    color: #cfd6df;
    font-size: 0.95rem;
    line-height: 1.8;
    margin-top: 1rem;
    max-width: 30rem;
}
.section-1 .content-txt .content p {
    margin: 0;
}
.section-1 .earth {
    position: absolute;
    width: 55%;
    right: 0;
    z-index: 1;
    /* flex: 0 1 55%; */
    /* display: flex; */
    /* align-items: center; */
    /* justify-content: flex-end; */
}
.section-1 .earth img {
    width: 100%;
    /* max-width: 38rem; */
    height: auto;
    display: block;
    filter: drop-shadow(0 0 3rem rgba(56, 189, 248, 0.45));
    /* animation: earth-rotate 60s linear infinite; */
}

/* 呼吸灯 */
.breathing-dots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}
.breathing-dots .dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 8px 3px rgba(255, 255, 255, 0.7);
    animation-name: breathe;
    animation-duration: 2s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    /* 不在此处设置 animation-delay，交由各 .bdot-X 独立控制实现交替呼吸 */
}
.bdot-1 { left: 27%; top: 54.5%; animation-delay: 0s; }
.bdot-2 { left: 47.5%; top: 35%; animation-delay: 0.22s; }
.bdot-3 { left: 65.6%; top: 50.5%; animation-delay: 0.44s; }
.bdot-4 { left: 72.5%; top: 26.5%; animation-delay: 0.66s; }
.bdot-5 { left: 78%; top: 45%; animation-delay: 0.88s; }
.bdot-6 { left: 30.5%; top: 72.2%; animation-delay: 1.1s; }
.bdot-7 { left: 74.6%; top: 64.5%; animation-delay: 1.32s; }
.bdot-8 { left: 59.5%; top: 24.5%; animation-delay: 1.54s; }
.bdot-9 { left: 18%; top: 30%; animation-delay: 1.76s; }

@keyframes breathe {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(2.3);
    }
}

@keyframes earth-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 响应式：平板 */
@media screen and (max-width: 1024px) {
    .section-1 .container.background {
        flex-direction: column;
        padding: 3rem 2rem;
        min-height: auto;
    }
    .section-1 .content-txt {
        flex: 0 1 auto;
        text-align: center;
        margin-bottom: 2rem;
    }
    .section-1 .content-txt .button {
        justify-content: center;
    }
    .section-1 .content-txt .line {
        margin-left: auto;
        margin-right: auto;
    }
    .section-1 .earth {
        flex: 0 1 auto;
        justify-content: center;
    }
    .section-1 .earth img {
        max-width: 24rem;
    }
}

/* 响应式：手机 */
@media screen and (max-width: 640px) {
    .section-1 .container.background {
        padding: 2rem 1.25rem;
    }
    .section-1 .content-txt .title-bg {
        font-size: 1.6rem;
    }
    .section-1 .content-txt .title-en {
        font-size: 1rem;
    }
    .section-1 .content-txt .button span {
        font-size: 0.85rem;
        padding: 0.25rem 0.75rem;
    }
    .section-1 .content-txt .content {
        font-size: 0.85rem;
    }
    .section-1 .earth img {
        max-width: 18rem;
    }
}

/* 响应式：section-1 外层间距缩减 */
@media screen and (max-width: 1200px) {
    .section-1 {
        padding: 10rem 0;
    }
}

@media screen and (max-width: 768px) {
    .section-1 {
        padding: 7rem 0;
    }
}

@media screen and (max-width: 440px) {
    .section-1 {
        padding: 5rem 0;
    }
    .section-1 .container.background {
        padding: 1.5rem 1rem;
    }
}

/* section-2 */
.section-2 {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    /* background:
        radial-gradient(circle at 10% 10%,
            rgba(8, 99, 216, 0.5) 0%,
            rgba(59, 130, 246, 0.15) 25%,
            transparent 55%),
        radial-gradient(circle at 90% 50%,
            rgba(56, 189, 248, 0.1) 0%,
            transparent 45%),
        linear-gradient(180deg, #081426 0%, #0d1f35 50%, #081426 100%); */
}

.section-2 .service-list {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.section-2 .service {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    padding: 4rem 5rem;
    width: 100%;
    height: 100%;
    will-change: transform, opacity;
}

.section-2 .service-img {
    flex: 0 1 55%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.section-2 .service-img img {
    width: 100%;
    max-width: 42rem;
    height: auto;
    border-radius: 1.25rem;
    display: block;
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.35);
}

.section-2 .service-txt {
    flex: 0 1 45%;
    color: #fff;
    text-align: center;
    position: relative;
    z-index: 2;
}

.section-2 .service-txt h3 {
    margin: 0 0 0.75rem 0;
}

.section-2 .service-txt .title-bg {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    padding: 0 1rem 0 0.5rem;
    letter-spacing: 3px;
}

.section-2 .service-txt .title-en {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: #ccc;
    margin-bottom: 2rem;
    letter-spacing: 3px;
}

.section-2 .service-txt .title-2 {
    font-size: clamp(1.8rem, 4.5vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--moki-accent);
}

.section-2 .service-txt .des {
    font-size: 1rem;
    color: #cfd6df;
    line-height: 1.8;
    max-width: unset;
}

.section-2 .service:not(.active) .service-txt {
    opacity: 0;
    pointer-events: none;
}

.section-2 .service .service-txt {
    transition: opacity 0.4s ease;
}

.section-2 .service-nav {
    position: absolute;
    left: 22.5%;
    bottom: 25%;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateX(calc(-50% + 1.25rem));
}

.section-2 .nav-arrow {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid rgba(123, 187, 189, 0.5);
    border-radius: 50%;
    background: rgba(10, 26, 46, 0.6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.section-2 .nav-arrow.prev .iconfont {
    transform:rotate(180deg);
}

.section-2 .nav-arrow:hover {
    background: rgba(123, 187, 189, 0.2);
    border-color: var(--moki-blue);
}

.section-2 .nav-arrow .iconfont {
    font-size: 0.85rem;
}

.section-2 .nav-dots {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section-2 .dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.section-2 .dot.active {
    background: var(--moki-blue);
    transform: scale(1.2);
}

.section-2 .dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

/* 响应式：平板 */
@media screen and (max-width: 1024px) {
    .section-1 .earth {
        width: auto;
        top: 0;
        filter:brightness(0.5);
    }
    .section-1 .breathing-dots .dot {
        width: 5px;
        height: 5px;
    }

    .section-2 {
        height: auto;
        min-height: auto;
    }
    .section-2 .service {
        position: relative;
        flex-direction: column-reverse;
        align-items: flex-start;
        padding: 3rem 2rem;
        height: auto;
        transform: none !important;
        opacity: 1 !important;
        border-bottom: 1px solid rgba(123, 187, 189, 0.1);
    }
    .section-2 .service:last-child {
        border-bottom: none;
    }
    .section-2 .service:not(.active) .service-txt {
        opacity: 1;
    }
    .section-2 .service .service-txt {
        transition: none;
    }
    .section-2 .service-img,
    .section-2 .service-txt {
        flex: 0 1 auto;
        width: 100%;
    }
    .section-2 .service-img img {
        max-width: 100%;
    }
    .section-2 .service-txt .title-bg {
        font-size: 1.5rem;
    }
    .section-2 .service-txt .title-2 {
        font-size: 1.8rem;
    }
    .section-2 .service-nav {
        position: relative;
        left: auto;
        bottom: auto;
        justify-content: center;
        padding: 2rem;
    }
}

/* 响应式：手机 */
@media screen and (max-width: 640px) {
    .section-1 .breathing-dots .dot {
        width: 3px;
        height: 3px;
    }

    .section-2 .service {
        padding: 2rem 1.25rem;
    }
    .section-2 .service-txt .title-bg {
        font-size: 1.3rem;
    }
    .section-2 .service-txt .title-2 {
        font-size: 1.5rem;
    }
    .section-2 .service-nav {
        padding: 1.5rem 1.25rem;
    }
}

/* ========== section-3: 一站式合作服务流程 ========== */
.section-3 {
    padding: 0;
}

.section-3 .content-txt {
    text-align: center;
    margin-bottom: 3rem;
}

.section-3 .content-txt h2 {
    margin: 0 0 0.5rem 0;
}

.section-3 .content-txt .title-bg {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    letter-spacing: 3px;
}

.section-3 .content-txt .title-en {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: #ccc;
    letter-spacing: 3px;
    margin: 0 0 1rem 0;
}

.section-3 .content-txt .des {
    font-size: 1rem;
    color: #cfd6df;
    max-width: 50rem;
    margin: 0 auto;
    line-height: 1.8;
}

/* odm-flow 流程图容器 */
.odm-flow {
    width: 100%;
}

.odm-flow-desktop {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 91.25rem;
    margin: 0 auto;
    padding: 2rem 0;
}

.odm-flow-left {
    flex-shrink: 0;
    border-right: solid 1px rgba(123, 187, 189, 0.4);
    padding-right: 0.9375rem;
}

.odm-flow-left p {
    font-size: 1rem;
    color: #8a9baa;
    text-align: center;
    line-height: 1.6;
}

.odm-flow-left p:nth-child(2) {
    color: #fff;
    font-weight: 700;
}

.odm-flow-right {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(123, 187, 189, 0.3) transparent;
}

.odm-flow-right::-webkit-scrollbar {
    height: 4px;
}

.odm-flow-right::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
}

.odm-flow-right::-webkit-scrollbar-thumb {
    background: rgba(123, 187, 189, 0.3);
    border-radius: 2px;
}

.odm-flow-top {
    border-bottom: solid 1px rgba(123, 187, 189, 0.25);
    flex: 1;
    min-height: 13rem;
    display: flex;
    align-items: flex-end;
}

.odm-flow-top ul,
.odm-flow-bot ul {
    display: flex;
    width: 100%;
    min-width: max-content;
    height: 100%;
    justify-content: flex-start;
    gap: 1rem;
}

.odm-flow-top ul {
    padding-bottom: 8px;
}

.odm-flow-top ul li,
.odm-flow-bot ul li {
    position: relative;
    min-width: 9rem;
    flex: 0 1 auto;
    height: 100%;
    display: flex;
    cursor: pointer;
}

.odm-flow-top ul li {
    align-items: flex-end;
}

.odm-flow-bot ul li {
    align-items: flex-start;
}

.odm-flow-top ul li:first-child {
    margin-left: 5rem;
}

.odm-flow-bot ul li:first-child {
    margin-left: 13rem;
}

.flow-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    transition: all 0.3s ease;
}

.flow-arrow.up {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid rgba(115, 223, 221, 0.7);
    margin-bottom: -0.5rem;
}

.flow-arrow.down {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid rgba(115, 223, 221, 0.7);
    margin-top: 0;
}

.flow-arrow.right {
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 7px solid rgba(115, 223, 221, 0.7);
}
.odm-flow-top ul li:first-child {
    margin-left: 5rem;
}
.odm-flow-top ul li span {
    position: absolute;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    top: -1.75rem;
    left: -50%;
    height: 100%;
    color: #8a9baa;
    font-size: 0.95rem;
    font-weight: 600;
}

.odm-flow-top ul li .process-info {
    position: absolute;
    bottom: 0;
    left: 0;
    white-space: nowrap;
    max-height: 0;
    overflow: hidden;
    z-index: 10;
}
.odm-flow-top ul li .process-info p {
    font-size: 0.55rem;
}
.odm-flow-top ul li .dot {
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    bottom: 0;
    left: 0;
    transform: translate(-50%, 50%);
    background-color: var(--moki-blue);
    opacity: 0;
    transition: all 0.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.odm-flow-top ul li .dot::before {
    content: '';
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background-color: #fff;
    z-index: 1;
}

.odm-flow-top ul li .dot::after {
    content: '';
    position: absolute;
    animation: circleDiffuse 2s linear infinite;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    background-color: var(--moki-accent);
    border-radius: 50%;
}

.odm-flow-top ul li:hover .dot,
.odm-flow-top ul li.active .dot {
    opacity: 1;
}

.odm-flow-top ul li:hover .process-info,
.odm-flow-top ul li.active .process-info {
    display: block;
    border-left: solid 1px var(--moki-blue);
    max-height: 12rem;
    transition: all 0.5s;
    overflow-y: scroll;
}

.odm-flow-top ul li:hover .process-info h3,
.odm-flow-top ul li.active .process-info h3 {
    line-height: 1.875rem;
    background-color: var(--moki-blue);
    color: #000;
    width: fit-content;
    padding: 0 0.625rem;
    font-size: 1rem;
    border-radius: 0 0.25rem 0.25rem 0;
    margin-bottom: 0.25rem;
    font-style: normal;
}

.odm-flow-top ul li:hover .process-info p,
.odm-flow-top ul li.active .process-info p {
    font-size: 0.7rem;
    line-height: 1.25rem;
    color: #cfd6df;
    padding-left: 0.625rem;
}

.odm-flow-top ul li:hover .process-info p:last-child,
.odm-flow-top ul li.active .process-info p:last-child {
    margin-bottom: 2.5rem;
}

.odm-flow-top ul li:hover span,
.odm-flow-top ul li.active span {
    display: none;
}

.odm-flow-top ul li:hover .flow-arrow.up,
.odm-flow-top ul li.active .flow-arrow.up {
    opacity: 0;
}

.odm-flow-bot {
    flex: 1;
    min-height: 13rem;
}
.odm-flow-bot ul li:first-child {
    margin-left: 9.5rem;
}
.odm-flow-bot ul li span {
    position: absolute;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    top: 0.9375rem;
    left: -50%;
    color: #8a9baa;
    font-size: 0.95rem;
    font-weight: 600;
}

.odm-flow-bot ul li .dot {
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    background-color: var(--moki-accent);
    opacity: 0;
    transition: all 0.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.odm-flow-bot ul li .dot::before {
    content: '';
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background-color: #fff;
    z-index: 1;
}

.odm-flow-bot ul li .dot::after {
    content: '';
    position: absolute;
    animation: circleDiffuse 2s linear infinite;
    width: 1.25rem;
    height: 1.25rem;
    top: 50%;
    left: 50%;
    background-color: var(--moki-blue);
    border-radius: 50%;
}

.odm-flow-bot ul li:hover .dot,
.odm-flow-bot ul li.active .dot {
    opacity: 1;
}

.odm-flow-bot ul li:hover .process-info,
.odm-flow-bot ul li.active .process-info {
    display: block;
    border-left: solid 1px var(--moki-accent);
    max-height: 12rem;
    transition: all 0.5s;
    overflow-y: scroll;
}

.odm-flow-bot ul li:hover .process-info h3,
.odm-flow-bot ul li.active .process-info h3 {
    line-height: 1.875rem;
    background-color: var(--moki-accent);
    color: #081426;
    width: fit-content;
    padding: 0 0.625rem;
    font-size: 1rem;
    border-radius: 0 0.25rem 0.25rem 0;
    margin-top: 1.25rem;
    font-style: normal;
}

.odm-flow-bot ul li:hover .process-info p,
.odm-flow-bot ul li.active .process-info p {
    font-size: 0.7rem;
    line-height: 1.25rem;
    color: #cfd6df;
    padding-left: 0.625rem;
}

.odm-flow-bot ul li:hover .process-info p:last-child,
.odm-flow-bot ul li.active .process-info p:last-child {
    margin-bottom: 2.5rem;
}

.odm-flow-bot ul li:hover span,
.odm-flow-bot ul li.active span {
    display: none;
}

.odm-flow-bot ul li:hover .flow-arrow.down,
.odm-flow-bot ul li.active .flow-arrow.down {
    opacity: 0;
}

.odm-flow-bot ul li .process-info {
    position: absolute;
    top: 0;
    left: 0;
    white-space: nowrap;
    max-height: 0;
    overflow: hidden;
    z-index: 10;
}

.odm-flow-bot ul li .process-info p:first-child {
    margin-top: 2.5rem;
}

.odm-flow-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    margin: 0 0.9375rem;
}

.odm-flow-icon img {
    width: 3rem;
    margin-top: -0.875rem;
}

.odm-flow-finshed {
    flex-shrink: 0;
    font-size: 1rem;
    margin: 0 0.9375rem;
    color: var(--moki-blue);
    display: flex;
    align-items: center;
}

.odm-flow-m {
    display: none;
}

@keyframes circleDiffuse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
}

/* ========== 响应式：平板 ========== */
@media screen and (max-width: 1024px) {
    .section-3 .content-txt .title-bg {
        font-size: 1.6rem;
    }

    .odm-flow-desktop {
        padding: 1.5rem 0;
    }

    .odm-flow-top ul,
    .odm-flow-bot ul {
        gap: 0.75rem;
    }
}

/* ========== 响应式：手机 ========== */
@media screen and (max-width: 768px) {
    .section-3 {
        padding: 3rem 0;
    }

    .section-3 .container {
        padding: 0 1rem;
    }

    .section-3 .content-txt {
        margin-bottom: 2rem;
    }

    .section-3 .content-txt .title-bg {
        font-size: 1.35rem;
    }

    .section-3 .content-txt .title-en {
        font-size: 0.85rem;
    }

    .section-3 .content-txt .des {
        font-size: 0.85rem;
    }

    .odm-flow-desktop {
        display: none;
    }

    .odm-flow-m {
        display: block;
    }

    .odm-flow-m .odm-flow-m-title {
        text-align: center;
        font-size: 1.1rem;
        line-height: 1.2;
        color: #fff;
        padding: 1rem 0;
        border-top: solid 1px rgba(123, 187, 189, 0.25);
        margin-top: 1rem;
    }

    .odm-flow-m-tab {
        display: flex;
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .odm-flow-m-tab a {
        flex: 1;
        min-width: 0;
        text-align: center;
        background-color: rgba(123, 187, 189, 0.15);
        line-height: 3rem;
        font-size: 1rem;
        color: #fff;
        border-radius: 0.25rem;
        transition: all 0.3s ease;
    }

    .odm-flow-m-tab a.active {
        background-color: var(--moki-blue);
        color: #fff;
    }

    .odm-flow-m-content ul {
        display: none;
        margin: 1rem 1rem 0;
        background-color: rgba(255, 255, 255, 0.03);
        border-radius: 0.5rem;
        border: 1px solid rgba(123, 187, 189, 0.1);
        overflow: hidden;
    }

    .odm-flow-m-content ul:first-child {
        display: block;
    }

    .odm-flow-m-content ul li {
        border-bottom: solid 1px rgba(123, 187, 189, 0.1);
    }

    .odm-flow-m-content ul li:last-child {
        border-bottom: none;
    }

    .odm-flow-m-content ul li h2 {
        line-height: 3.2rem;
        padding: 0 1.25rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-weight: 400;
        font-size: 1rem;
        color: #e2e8f0;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .odm-flow-m-content ul li h2 i {
        transform: rotate(90deg);
        font-size: 0.75rem;
        color: rgba(115, 223, 221, 0.6);
        transition: all 0.3s ease;
    }

    .odm-flow-m-content ul li h2.active {
        color: var(--moki-accent);
        font-weight: 700;
    }

    .odm-flow-m-content ul li h2.active i {
        transform: rotate(180deg);
        color: var(--moki-accent);
    }

    .odm-flow-m-content ul li .info {
        padding: 0 1.25rem 1rem;
        display: none;
        font-size: 0.9rem;
        line-height: 1.8;
        color: #cfd6df;
    }
}


/* ========== section-4: ID & CMF 设计体系 ========== */
.section-4 {
    padding: 5rem 0;
}

.section-4 .content-txt {
    text-align: center;
    margin-bottom: 3rem;
}

.section-4 .content-txt h2 {
    margin: 0 0 0.5rem 0;
}

.section-4 .content-txt .title-bg {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    letter-spacing: 3px;
}

.section-4 .content-txt .title-en {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: #ccc;
    letter-spacing: 3px;
    margin: 0 0 1rem 0;
}

.section-4 .content-txt .des {
    font-size: 1rem;
    color: #cfd6df;
    max-width: 50rem;
    margin: 0 auto;
    line-height: 1.8;
}

/* odm-design 主布局：左侧图片 + 右侧双卡片 */
.odm-design {
    display: flex;
    align-items: stretch;
    gap: 2.5rem;
}
.odm-design:hover .sketch-img img{
    transform: scale(1.05);
}

/* 左侧草图区域 */
.sketch-img {
    flex: 0 0 36%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sketch-frame {
    position: relative;
    width: 100%;
    border: 8px solid rgba(123, 187, 189, 0.12);
    border-radius: 1.25rem;
    padding: 0.6rem;
    /* background: linear-gradient(135deg, rgba(123, 187, 189, 0.45), rgba(56, 189, 248, 0.15), rgba(123, 187, 189, 0.35)); */
    aspect-ratio: 0.9;
}

.sketch-frame img {
    position: absolute;
    top: 1.5rem;
    left: -1.5rem;
    width: 100%;
    height: auto;
    border-radius: 0.9rem;
    display: block;
    box-shadow: rgba(0, 0, 0, 0.5) 0px 5px 15px;
    transition: all 0.3s ease-in-out;
}

/* 右侧流程卡片区域 */
.design-flow {
    flex: 1;
    display: flex;
    gap: 1.5rem;
}

/* 单个设计流程卡片 */
.design-cmf,
.design-id {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(123, 187, 189, 0.12);
}

.design-cmf h3,
.design-id h3 {
    margin: 0;
    padding: 1.1rem 1.25rem;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 500;
    letter-spacing: 2px;
    color: #e8f4f8;
    background: linear-gradient(135deg, rgba(123, 187, 189, 0.25), rgba(56, 189, 248, 0.12));
    text-align: center;
    border-bottom: 1px solid rgba(123, 187, 189, 0.12);
}

.design-cmf ul,
.design-id ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.design-cmf li,
.design-id li {
    padding: 0.95rem 1.25rem;
    color: #cfd6df;
    font-size: 1.25rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    letter-spacing: 0.5px;
    line-height: 1.6;
    cursor: default;
    transition: all 0.3s ease;
}

.design-cmf li:hover,
.design-id li:hover {
    color: #fff;
    background: rgba(123, 187, 189, 0.12);
    letter-spacing: 1px;
    padding-left: 1.75rem;
}

.design-cmf li:last-child,
.design-id li:last-child {
    border-bottom: none;
}

/* 响应式：平板 */
@media screen and (max-width: 1024px) {
    .section-4 {
        padding: 3rem 0;
    }

    .section-4 .content-txt {
        margin-bottom: 2rem;
    }

    .section-4 .content-txt .title-bg {
        font-size: 1.6rem;
    }

    .section-4 .content-txt .title-en {
        font-size: 0.95rem;
    }

    .section-4 .content-txt .des {
        font-size: 0.9rem;
    }

    .odm-design {
        flex-direction: column;
        gap: 2rem;
    }

    .sketch-img {
        flex: 0 0 auto;
        width: 100%;
        max-width: 28rem;
        margin: 0 auto;
    }

    .design-flow {
        gap: 1.25rem;
    }

    .design-cmf h3,
    .design-id h3 {
        font-size: 0.95rem;
        padding: 0.9rem 1rem;
    }

    .design-cmf li,
    .design-id li {
        font-size: 0.85rem;
        padding: 0.8rem 1rem;
    }
}

/* 响应式：手机 */
@media screen and (max-width: 640px) {
    .section-4 {
        padding: 2.5rem 0;
    }

    .section-4 .content-txt .title-bg {
        font-size: 1.35rem;
    }

    .section-4 .content-txt .title-en {
        font-size: 0.82rem;
    }

    .section-4 .content-txt .des {
        font-size: 0.82rem;
    }

    .odm-design {
        gap: 1.5rem;
    }

    .sketch-frame {
        padding: 0.45rem;
        border-radius: 1rem;
    }

    .sketch-frame img {
        border-radius: 0.75rem;
    }

    .design-flow {
        flex-direction: column;
        gap: 1rem;
    }

    .design-cmf h3,
    .design-id h3 {
        font-size: 0.88rem;
        padding: 0.75rem 0.75rem;
    }

    .design-cmf li,
    .design-id li {
        font-size: 0.8rem;
        padding: 0.7rem 0.75rem;
    }
}

/* ========== section-5: 售后保障体系 ========== */
.section-5 {
    padding: 3rem 0;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.section-5 .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 5rem;
}

.section-5 .content-txt {
    flex: 0 1 40%;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-5 .content-txt h2 {
    margin: 0 0 1.5rem 0;
}

.section-5 .content-txt .title-bg {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    letter-spacing: 3px;
}

.section-5 .content-txt .title-en {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: #ccc;
    letter-spacing: 3px;
    margin: 0 0 3rem 0;
}

.section-5 .content-txt .des {
    font-size: 1rem;
    color: #cfd6df;
    line-height: 1.8;
    max-width: 30rem;
}

.odm-support {
    --radius: 245px;
    --item-size: 14rem;
    --center-size: 200px;
    flex: 0 1 55%;
    max-width: 650px;
    aspect-ratio: 1;
    min-width: 560px;
    min-height: 560px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: none;
    cursor: pointer;
}

.support-glow {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 中心发光球体 */
.support-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: var(--center-size);
    height: var(--center-size);
    z-index: 2;
}

.center-core {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%,
            rgba(123, 187, 189, 0.95) 0%,
            rgba(56, 189, 248, 0.55) 25%,
            rgba(8, 99, 216, 0.35) 50%,
            transparent 72%);
    box-shadow:
        0 0 80px rgba(56, 189, 248, 0.55),
        0 0 40px rgba(123, 187, 189, 0.3),
        inset 0 0 40px rgba(123, 187, 189, 0.25);
    animation: center-pulse 3s ease-in-out infinite;
}

@keyframes center-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.06);
        opacity: 0.92;
    }
}

.center-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.25);
    box-shadow:
        0 0 30px rgba(56, 189, 248, 0.15),
        inset 0 0 30px rgba(56, 189, 248, 0.08);
    pointer-events: none;
}

.center-ring.ring-1 {
    width: calc(var(--center-size) * 1.25);
    height: calc(var(--center-size) * 1.25);
    animation: ring-breathe 3.5s ease-in-out infinite;
}

.center-ring.ring-2 {
    width: calc(var(--center-size) * 1.55);
    height: calc(var(--center-size) * 1.55);
    opacity: 0.6;
    animation: ring-breathe 3.5s ease-in-out infinite 1.1s;
}

.center-ring.ring-3 {
    width: calc(var(--center-size) * 1.85);
    height: calc(var(--center-size) * 1.85);
    opacity: 0.35;
    animation: ring-breathe 3.5s ease-in-out infinite 2.2s;
}

@keyframes ring-breathe {
    0%, 100% {
        opacity: 0.25;
    }

    50% {
        opacity: 0.55;
    }
}

/* 外层六边形网络 */
.support-network {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: calc(var(--radius) * 1.732);
    height: calc(var(--radius) * 2);
    border: 1px solid rgba(56, 189, 248, 0.15);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    box-shadow:
        0 0 30px rgba(56, 189, 248, 0.1),
        inset 0 0 30px rgba(56, 189, 248, 0.05);
    pointer-events: none;
    z-index: 1;
}

/* 中心到各节点的连接线 */
.support-lines {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.support-line {
    position: absolute;
    left: 50%;
    top: 50%;
    width: calc(var(--radius) - 75px);
    height: 1px;
    background: linear-gradient(90deg,
            rgba(56, 189, 248, 0.55) 0%,
            rgba(56, 189, 248, 0.15) 60%,
            transparent 100%);
    transform-origin: left center;
    transform: rotate(calc(var(--angle) - 90deg));
}

.support-line.item-1,
.support-item.item-1 {
    --angle: 0deg;
}

.support-line.item-2,
.support-item.item-2 {
    --angle: 60deg;
}

.support-line.item-3,
.support-item.item-3 {
    --angle: 120deg;
}

.support-line.item-4,
.support-item.item-4 {
    --angle: 180deg;
}

.support-line.item-5,
.support-item.item-5 {
    --angle: 240deg;
}

.support-line.item-6,
.support-item.item-6 {
    --angle: 300deg;
}

/* 6个售后节点 */
.support-items {
    position: absolute;
    background-image: url(../../imgs/odm_s5_1_1.webp);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    inset: 0;
    z-index: 3;
}

.support-item {
    position: absolute;
    left: 50%;
    top: 50%;
    width: var(--item-size);
    height: var(--item-size);
    background-image: url(../../imgs/odm_s5_1_2.webp);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    transform: translate(-50%, -50%) translate(calc(var(--radius) * sin(var(--angle))),
            calc(var(--radius) * -1 * cos(var(--angle))));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
}

.item-circle {
    width: 100%;
    height: 100%;
    top: -1rem;
    border-radius: 50%;
    /* background: radial-gradient(circle at 30% 30%,
            rgba(56, 189, 248, 0.38) 0%,
            rgba(8, 99, 216, 0.28) 55%,
            rgba(8, 99, 216, 0.42) 100%);
    border: 1px solid rgba(123, 187, 189, 0.55);
    box-shadow:
        0 0 30px rgba(56, 189, 248, 0.25),
        inset 0 0 22px rgba(123, 187, 189, 0.18); */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    position: relative;
    z-index: 2;
    padding: 0.5rem;
    transition: all 0.35s ease;
}

.item-circle h3 {
    font-size: clamp(0.65rem, 1.2vw, 0.95rem);
    font-weight: 500;
    margin: 0 0 0.25rem 0;
    letter-spacing: 1px;
    line-height: 1.2;
}

.item-circle p {
    font-size: clamp(0.55rem, 0.9vw, 0.75rem);
    color: #a0d4f0;
    margin: 0;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.support-item:hover .item-circle {
    transform: scale(1.07);
    border-color: rgba(123, 187, 189, 0.85);
    box-shadow:
        0 0 45px rgba(56, 189, 248, 0.15),
        inset 0 0 28px rgba(123, 187, 189, 0.3);
}

/* 六边形底座 */
.item-base {
    position: absolute;
    top: calc(100% - 6px);
    left: 50%;
    transform: translateX(-50%);
    width: calc(var(--item-size) * 0.69);
    height: calc(var(--item-size) * 0.17);
    background: linear-gradient(180deg,
            rgba(56, 189, 248, 0.6) 0%,
            rgba(8, 99, 216, 0.35) 100%);
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    box-shadow: 0 12px 28px rgba(56, 189, 248, 0.25);
    z-index: 1;
    display: none;
}

/* 响应式：平板 */
@media screen and (max-width: 1200px) {
    .section-5 .container {
        padding: 0 2rem;
    }
}

@media screen and (max-width: 1024px) {
    .section-5 {
        padding: 4rem 0;
        min-height: auto;
    }

    .section-5 .container {
        flex-direction: column;
        gap: 2.5rem;
    }

    .section-5 .content-txt {
        text-align: center;
    }

    .section-5 .content-txt .des {
        margin: 0 auto;
    }

    .odm-support {
        flex: 0 1 auto;
        width: 100%;
        max-width: 520px;
        min-width: 520px;
        min-height: 520px;
        --radius: 200px;
        --item-size: 12rem;
        --center-size: 13rem;
    }
}

/* 响应式：手机 */
@media screen and (max-width: 640px) {
    .section-5 .container {
        padding: 0 1rem;
    }

    .section-5 .content-txt .title-bg {
        font-size: 1.6rem;
    }

    .section-5 .content-txt .title-en {
        font-size: 0.95rem;
    }

    .section-5 .content-txt .des {
        font-size: 0.9rem;
    }

    .odm-support {
        max-width: 400px;
        min-width: 400px;
        min-height: 400px;
        --radius: 150px;
        --item-size: 10rem;
        --center-size: 12rem;
    }
}

@media screen and (max-width: 440px) {
    .odm-support {
        max-width: 280px;
        min-width: 280px;
        min-height: 280px;
        --radius: 105px;
        --item-size: 10rem;
        --center-size: 12rem;
    }
}