/* Apple AirTag 风格 */
:root {
    --apple-blue: #be2a35;
    --apple-blue-hover: #be2a35;
    --apple-gray: #f5f5f7;
    --apple-dark: #000000;
    --apple-light: #86868b;
    --apple-border: #d2d2d7;
    --highlight-color: #0071e3;
}

.highlight-text {
    color: var(--highlight-color);
    font-weight: 700;
    position: relative;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    height: 8px;
    background: rgba(0, 113, 227, 0.2);
    border-radius: 4px;
    z-index: -1;
}

/* 重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 44px;
    overflow-x: hidden;
    height: 100%;
}

body {
    font-family: "SF Pro SC", "SF Pro Text", "SF Pro Icons", "PingFang SC", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    ;
    color: var(--apple-dark);
    line-height: 1.5;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    min-height: 100%;
    margin: 0;
}

/* 全屏滚动容器 */
.snap-container {
    height: calc(100vh - 44px);
    overflow-y: scroll;
    overflow-x: hidden;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    scroll-snap-stop: always;
    margin-top: 44px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.snap-container::-webkit-scrollbar {
    width: 8px;
}

.snap-container::-webkit-scrollbar-track {
    background: transparent;
}

.snap-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

.snap-container::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.snap-section {
    height: calc(100vh - 44px);
    scroll-snap-align: start;
    scroll-snap-stop: always;
    overflow: hidden;
    will-change: transform;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 9999;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 980px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 22px;
}

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--apple-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.company-name .logo {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 36px;
    transition: all 0.3s ease;
}

.nav-links a {
    font-size: 14px;
    color: #000000;
    text-decoration: none;
    opacity: 1;
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 4px;
    font-weight: 700;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--apple-blue);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--apple-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 60%;
}

/* 主内容 */
main {
    padding-top: 0;
}

/* 区块 */
.section {
    padding: 0;
    height: calc(100vh - 44px);
}

.section-block {
    height: calc(100vh - 44px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 60px 20px 20px;
    box-sizing: border-box;
}

.section-block-dark {
    background: var(--apple-dark);
    color: #fff;
}

/* 各模块背景色交替 */
#about {
    background: var(--apple-gray);
}

#profile {
    background: #fff;
}

#services {
    background: var(--apple-gray);
}

#services .section-block {
    background: var(--apple-gray);
}

#products {
    background: #fff;
}

#process {
    background: var(--apple-gray);
}

#process .section-block {
    background: var(--apple-gray);
}

#contact {
    background: #fff;
}

/* 英雄区块 */
.hero {
    height: calc(100vh - 44px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--apple-gray);
    position: relative;
    overflow: hidden;
    padding: 44px 20px 20px;
    box-sizing: border-box;
}

.hero-animation {
    position: absolute;
    top: 0;
    right: -5%;
    transform: translateY(0%) scale(1.4);
    width: auto;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    -webkit-transform: translateY(0%) scale(1.4);
    -moz-transform: translateY(0%) scale(1.4);
    -ms-transform: translateY(0%) scale(1.4);
    -o-transform: translateY(0%) scale(1.4);
}

.hero-animation-left {
    right: auto;
    left: -5%;
    transform: translateY(0%) scale(1.4) scaleX(-1);
    z-index: 0;
    width: auto;
    height: 100vh;
    -webkit-transform: translateY(0%) scale(1.4) scaleX(-1);
    -moz-transform: translateY(0%) scale(1.4) scaleX(-1);
    -ms-transform: translateY(0%) scale(1.4) scaleX(-1);
    -o-transform: translateY(0%) scale(1.4) scaleX(-1);
}

.hero-content {
    max-width: 980px;
    padding: 0 22px;
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

/* AirTag风格大标题 */
.headline {
    font-size: 90px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 10px;
    color: #000000;
}

.highlight-red {
    /* color: #be2a35 !important; */
    opacity: 1;
    transform: translateY(0);
    /* linear-gradient: (-60deg, #CB0EF1, #0E69F1); */
    background: linear-gradient(-60deg, #b81e27, #00dcff);
    -webkit-background-clip: text;
    background-clip: text;
    color: rgba(0, 0, 0, 0);
}

.headline-highlight {
    color: #000000;
    font-weight: 700;
    position: relative;
    display: inline-block;

}

.headline-sub {
    font-size: 28px;
    font-weight: 400;
    color: #6e6e73;
    line-height: 1.3;
    margin-bottom: 20px;
}

/* 描述文字 */
.lead {
    font-size: 16px;
    color: #6e6e73;
    line-height: 1.6;
    max-width: 560px;
    margin: 30px auto 20px;
}

/* 链接按钮 */
.link-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.link-primary {
    display: inline-block;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    background: var(--apple-blue);
    border-radius: 980px;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.15s ease;
}

.link-primary:hover {
    background: #be2a35;
    text-decoration: none;
    transform: translateY(-1px);
}

.link-secondary {
    display: inline-block;
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--apple-dark);
    background: #fff;
    border: 1px solid var(--apple-border);
    border-radius: 980px;
    text-decoration: none;
    transition: all 0.25s ease, transform 0.15s ease;
}

.link-secondary:hover {
    color: var(--apple-dark);
    border-color: var(--apple-dark);
    text-decoration: none;
    transform: translateY(-1px);
}

.seticon img {
    width: 100px;
    height: 100px;
}

/* 普通区块 */
.section-content {
    max-width: 1600px;
    padding: 0 22px;
    text-align: center;
}

/* 区块标题 */
.section-headline {
    font-size: 82px;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.1;
    margin-bottom: 8px;
}

.section-headline-sub {
    font-size: 18px;
    font-weight: 400;
    color: var(--apple-light);
    line-height: 1.4;
    margin-bottom: 36px;
    margin-top: 26px;
}

/* 服务网格 - Apple Store 风格 */
.services-section {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 22px;
    background: transparent;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}


.services-section1 {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 22px;
    background: transparent;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.services-scroll-container {
    width: 100% !important;
    max-width: 1200px;
    position: relative;
    margin: 24px auto 0;
    padding: 0 25px;
    overflow: hidden;
    box-sizing: border-box;
}

.services-grid {
    display: flex;
    gap: 20px;
    overflow-x: visible;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 10px 0;
    transform: translateX(0);
    transition: transform 0.4s ease;
}

.services-grid::-webkit-scrollbar {
    display: none;
}

.service-card {
    background: #ffffff;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    flex: 0 0 calc(33.333% - 13.333px);
    min-width: calc(33.333% - 13.333px);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.service-card-animation {
    width: 100%;
    height: 220px;
    background: #fafafa;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-card-animation lottie-player {
    width: 100%;
    height: 100%;
    background: #fafafa !important;
}

.service-card-content {
    position: relative;
    z-index: 1;
    color: #1d1d1f;
    background: transparent;
    border-radius: 0 0 20px 20px;
    padding: 20px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    word-break: break-word;
    text-align: center;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1d1d1f;
}

.service-card p {
    font-size: 18px;
    font-weight: 500;
    color: #1d1d1f;
    line-height: 1.3;
    margin-bottom: 12px;
}

.service-card-detail {
    font-size: 14px;
    color: #6e6e73;
    line-height: 1.6;
    margin-top: 8px;
    padding-top: 0;
    border-top: none;
}

.service-summary {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    line-height: 1.3;
    margin-bottom: 8px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 17px;
    font-weight: 500;
    color: #0071e3;
    text-decoration: none;
    margin-top: auto;
    transition: color 0.2s ease;
}

.service-link:hover {
    color: #0077ed;
    text-decoration: underline;
}

.service-link-arrow {
    font-size: 20px;
    transition: transform 0.2s ease;
}

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

/* Apple 风格切换按钮 */
.scroll-btn {
    position: absolute;
    top: 35%;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.scroll-btn:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.scroll-btn:active {
    background: rgba(200, 200, 200, 0.8);
}

.scroll-btn svg {
    width: 20px;
    height: 20px;
    color: #1d1d1f;
}

.scroll-btn-left {
    left: 20px;
}

.scroll-btn-right {
    right: 20px;
}

/* 流程步骤 - 卡片风格 */
.process-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 80px auto 0;
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    grid-template-rows: 1fr 80px 1fr;
    gap: 20px;
    justify-items: center;
    align-items: center;
    padding: 0 22px;
}

.process-box {
    width: 100%;
}

.process-box-top-left {
    grid-column: 1;
    grid-row: 1;
}

.process-box-top-right {
    grid-column: 3;
    grid-row: 1;
}

.process-box-bottom-left {
    grid-column: 1;
    grid-row: 3;
}

.process-box-bottom-right {
    grid-column: 3;
    grid-row: 3;
}

.process-step {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 380px;
    margin: 0 auto;
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.process-arrow-horizontal {
    grid-column: 2;
    grid-row: 1;
}

.process-arrow-horizontal svg {
    width: 56px;
    height: 56px;
    color: #1a73e8;
    animation: arrowPulseRight 2s ease-in-out infinite;
}

.process-arrow-vertical-right {
    grid-column: 3;
    grid-row: 2;
}

.process-arrow-vertical-right svg {
    width: 56px;
    height: 56px;
    color: #1a73e8;
    transform: rotate(90deg);
    animation: arrowPulseDown 2s ease-in-out infinite;
}

.process-arrow-horizontal-bottom {
    grid-column: 2;
    grid-row: 3;
}

.process-arrow-horizontal-bottom svg {
    width: 56px;
    height: 56px;
    color: #1a73e8;
    transform: rotate(180deg);
    animation: arrowPulseLeft 2s ease-in-out infinite;
}

.process-arrow-vertical-left {
    grid-column: 1;
    grid-row: 2;
}

.process-arrow-vertical-left svg {
    width: 56px;
    height: 56px;
    color: #1a73e8;
    transform: rotate(-90deg);
    animation: arrowPulseUp 2s ease-in-out infinite;
}

@keyframes arrowPulseRight {

    0%,
    100% {
        transform: translateX(0);
        opacity: 0.6;
    }

    50% {
        transform: translateX(10px);
        opacity: 1;
    }
}

@keyframes arrowPulseDown {

    0%,
    100% {
        transform: rotate(90deg) translateX(0);
        opacity: 0.6;
    }

    50% {
        transform: rotate(90deg) translateX(10px);
        opacity: 1;
    }
}

@keyframes arrowPulseLeft {

    0%,
    100% {
        transform: translateX(0);
        opacity: 0.6;
    }

    50% {
        transform: translateX(10px);
        opacity: 1;
    }
}

@keyframes arrowPulseUp {

    0%,
    100% {
        transform: rotate(-90deg) translateX(0);
        opacity: 0.6;
    }

    50% {
        transform: rotate(-90deg) translateX(10px);
        opacity: 1;
    }
}

.step-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--apple-light);
    margin-bottom: 12px;
}

.process-step h3 {
    font-size: 28px;
    font-weight: 400;
    color: var(--apple-dark);
    margin-bottom: 12px;
}

.process-step p {
    font-size: 17px;
    color: #6e6e73;
    line-height: 1.65;
}

/* 优秀产品 */
.products-section {
    position: relative;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 22px;
    background: transparent;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.products-grid {
    position: relative;
    margin: 15px auto 0;
    width: 100%;
    max-width: 1200px;
    height: 670px;
}

.product-info {
    background: #ffffff;
    border-radius: 20px;
    padding: 32px 28px;
    text-align: left;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.product-title {
    font-size: 52px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 16px;
    letter-spacing: 0.5px;
}

.product-title-english {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 16px;
    letter-spacing: 0.5px;
}

.product-desc {
    font-size: 20px;
    color: #6e6e73;
    line-height: 1.7;
    margin: 0;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-features li {
    font-size: 14px;
    color: #3a3a40;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d83434;
    flex-shrink: 0;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.product-tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: #fdecec;
    color: #c02626;
    font-size: 13px;
    font-weight: 500;
}

.product-viewer {
    position: relative;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    height: 670px;
    border: none;
    outline: none;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.product-viewer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 1) 42%,
            rgba(255, 255, 255, 0.94) 47%,
            rgba(255, 255, 255, 0.78) 51%,
            rgba(255, 255, 255, 0.48) 56%,
            rgba(255, 255, 255, 0.18) 61%,
            rgba(255, 255, 255, 0) 66%);
    pointer-events: none;
    z-index: 1;
}



#productModelCanvas {
    display: block;
    width: 100%;
    outline: none;
    transform: translateY(0%) translateX(15%);
    -webkit-transform: translateY(0%) translateX(15%);
    -moz-transform: translateY(0%) translateX(15%);
    -ms-transform: translateY(0%) translateX(15%);
    -o-transform: translateY(0%) translateX(15%);
}

.product-info-overlay {
    width: 640px;
    padding: 28px 26px;
    text-align: left;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    z-index: 3;
}

.product-viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #6a6a70;
    font-size: 14px;
    background: rgba(247, 247, 251, 0.85);
    pointer-events: none;
    z-index: 2;
}

.product-viewer-loading .spinner {
    width: 22px;
    height: 22px;
    border: 3px solid #e3e3ea;
    border-top-color: #d83434;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.product-viewer-hint {
    position: absolute;
    right: 16px;
    bottom: 12px;
    font-size: 12px;
    color: #8a8a90;
    background: rgba(255, 255, 255, 0.7);
    padding: 4px 10px;
    border-radius: 8px;
    z-index: 1;
}


/* 为什么找我们 - 左八右四布局 */
.process-grid {
    display: grid !important;
    grid-template-columns: 8fr 4fr !important;
    justify-content: center;
    gap: 30px;
    margin-top: 16px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    padding: 0 22px;
    align-items: stretch;
    box-sizing: border-box;
}

@media (max-width: 980px) {
    .process-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
        padding: 0 16px;
    }

    .process-image {
        height: 250px;
    }

    .process-text {
        height: auto;
        padding: 30px 24px;
    }

    .process-text h3 {
        font-size: 22px;
    }

    .process-text p {
        font-size: 15px;
    }
}

@media (max-width: 734px) {
    .process-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
        padding: 0 16px;
    }

    .process-image {
        height: 200px;
    }

    .process-text {
        height: auto;
        padding: 24px 20px;
    }

    .process-text h3 {
        font-size: 20px;
    }

    .process-text p {
        font-size: 14px;
    }
}

.process-image {
    background: #f5f5f7;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 370px;
    box-sizing: border-box;
}

.process-image img {
    display: block;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}

.process-text {
    background: #ffffff;
    border-radius: 20px;
    padding: 60px 48px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 370px;
    width: 100%;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.process-text-animation {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

.process-text h3,
.process-text p {
    position: relative;
    z-index: 1;
}

.process-text h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--apple-dark);
    margin-bottom: 20px;
}

.process-text p {
    font-size: 16px;
    color: #6e6e73;
    line-height: 1.7;
    margin: 0;
}

/* 资质认证与保障子区块 */
.subsection-headline {
    font-size: 32px;
    font-weight: 600;
    color: var(--apple-dark);
    margin-top: 60px;
    margin-bottom: 32px;
    text-align: left;
}

.subsection-headline:first-child {
    margin-top: 32px;
}

.certification-section,
.process-section {
    padding: 20px 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 联系区块 */
.contact-block {
    height: calc(100vh - 44px);
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 44px 20px 20px;
    box-sizing: border-box;
}

.contact-header {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto 20px;
    padding: 0 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    align-items: stretch;
    box-sizing: border-box;
}

@media (max-width: 980px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 16px;
    }

    .contact-map {
        height: 280px;
    }

    .contact-info {
        height: auto;
    }
}

@media (max-width: 734px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 16px;
    }

    .contact-map {
        height: 250px;
    }

    .contact-info {
        height: auto;
        padding: 24px 20px;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .contact-label {
        margin-right: 0;
        width: auto;
        min-width: auto;
    }

    .contact-value {
        font-size: 15px;
    }
}

.contact-info {
    text-align: left;
    width: 100%;
    height: 360px;
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    padding: 32px;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.06),
        0 1px 3px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-info:hover {
    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.08),
        0 2px 6px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.contact-info-header {
    flex: 1.5;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    position: relative;
    padding-bottom: 8px;
}

.contact-info .contact-divider {
    height: 2px !important;
    margin: 16px 0 !important;
    background: linear-gradient(90deg, rgba(190, 42, 53, 0.3) 0%, rgba(190, 42, 53, 0.7) 40%, rgba(190, 42, 53, 0.9) 50%, rgba(190, 42, 53, 0.7) 60%, rgba(190, 42, 53, 0.3) 100%) !important;
    border-radius: 1px;
    width: 100% !important;
    display: block !important;
    min-height: 2px;
}

.contact-info-content {
    flex: 3.5;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
}

.contact-desc {
    font-size: 15px;
    color: var(--apple-light);
    line-height: 1.6;
    margin-bottom: 20px;
    margin-top: 8px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    flex: 1;
    justify-content: space-around;
}

.contact-item {
    font-size: 15px;
    color: var(--apple-dark);
    margin: 0;
    display: flex;
    align-items: flex-start;
    line-height: 1.7;
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.2s ease;
    background: rgba(0, 0, 0, 0.01);
}

.contact-item:hover {
    background: #cdcdcd;
}

.contact-label {
    color: #6b7280;
    font-weight: 500;
    flex-shrink: 0;
    font-size: 14px;
    min-width: 60px;
    width: 60px;
    margin-right: 20px;
    letter-spacing: 0.02em;
    position: relative;
}

.contact-value {
    color: var(--apple-dark);
    flex: 1;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
}

.contact-map {
    width: 100%;
    height: 360px;
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

#amap-container {
    width: 100%;
    height: 100%;
}

/* 表单 */
.contact-form {
    background: #fff;
    border-radius: 18px;
    padding: 32px;
}

.contact-form h3 {
    font-size: 21px;
    font-weight: 500;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--apple-light);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border: 1px solid var(--apple-border);
    border-radius: 8px;
    font-family: inherit;
    background: #fff;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--apple-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.btn-submit {
    background: var(--apple-blue);
    color: #fff;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--apple-blue-hover);
}

/* 证书点击触发 */
.certificate-modal-trigger {
    cursor: pointer;
    position: relative;
}

.certificate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 20px;
}

.certificate-modal-trigger:hover .certificate-overlay {
    opacity: 1;
}

.view-certificates {
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 980px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.certificate-modal-trigger:hover .view-certificates {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* 证书模态框 */
.certificate-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
}

.certificate-modal.active {
    display: block;
}

.certificate-modal-overlay {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.certificate-modal-content {
    position: relative;
    background: #fff;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 900px;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.certificate-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s ease;
}

.certificate-modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
    color: #000;
}

/* 证书标签 */
.certificate-tabs {
    display: flex;
    border-bottom: 1px solid #e5e5e5;
}

.certificate-tab {
    flex: 1;
    padding: 20px;
    border: none;
    background: transparent;
    font-size: 16px;
    font-weight: 500;
    color: #86868b;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
}

.certificate-tab.active {
    color: #0071e3;
    border-bottom-color: #0071e3;
}

.certificate-tab:hover:not(.active) {
    color: #1d1d1f;
}

/* 证书轮播 */
.certificate-carousel {
    padding: 30px;
    position: relative;
}

.carousel-container {
    overflow: hidden;
    border-radius: 16px;
    background: #f5f5f7;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    flex-shrink: 0;
    width: 100%;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-item img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 8px;
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s ease;
    z-index: 10;
}

.carousel-prev {
    left: 40px;
}

.carousel-next {
    right: 40px;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(0, 0, 0, 0.7);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d2d2d7;
    cursor: pointer;
    transition: all 0.2s ease;
}

.carousel-indicator.active {
    background: #0071e3;
    width: 24px;
    border-radius: 4px;
}

/* 页脚 */
.footer {
    padding: 60px 20px 0;
    background: var(--apple-gray);
    text-align: center;
    position: relative;
    border-top: 1px solid var(--apple-border);
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer-partners-title {
    font-size: 82px;
    font-weight: 600;
    color: var(--apple-dark);
    margin-bottom: 16px;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.footer-partners-subtitle {
    font-size: 18px;
    color: var(--apple-light);
    margin-bottom: 40px;
    font-weight: 400;
}

@media (max-width: 980px) {
    .footer-partners-title {
        font-size: 40px;
    }

    .footer-partners-subtitle {
        font-size: 16px;
        margin-bottom: 24px;
    }
}

@media (max-width: 734px) {
    .footer-partners-title {
        font-size: 28px;
    }

    .footer-partners-subtitle {
        font-size: 15px;
        margin-bottom: 20px;
    }
}

.partners-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    position: relative;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.partners-carousel-wrapper.dragging {
    cursor: grabbing;
}

.partners-carousel-track {
    display: flex;
    gap: 24px;
    will-change: transform;
    backface-visibility: hidden;
    pointer-events: none;
}

@keyframes partners-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.partner-card {
    flex: 0 0 auto;
    width: 200px;
    height: 120px;
    padding: 16px;
    background: #ffffff;
    border-radius: 16px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-card:hover {
    background: #e8e8ed;
    transform: scale(1.05);
}

@media (max-width: 734px) {
    .partner-card {
        width: 120px;
        height: 80px;
        padding: 10px;
        border-radius: 12px;
    }

    .partners-carousel-track {
        gap: 12px;
    }
}

.footer-bottom {
    padding: 30px 20px;
    margin-top: 60px;
    width: 100%;
}

.footer-copy {
    font-size: 13px;
    color: var(--apple-light);
    margin: 0 !important;
}

/* 响应式 */
@media (max-width: 980px) {
    .headline {
        font-size: 56px;
    }

    .section-headline {
        font-size: 40px;
    }

    .services-scroll-container {
        width: 100% !important;
        max-width: 100%;
        padding: 0 16px;
    }

    .services-grid {
        flex-wrap: wrap;
        padding: 0;
        transform: none !important;
        transition: none !important;
    }

    .service-card {
        flex: 0 0 calc(50% - 10px);
        min-width: calc(50% - 10px);
    }

    .scroll-btn {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        width: 100% !important;
        height: auto !important;
        position: relative !important;
        bottom: auto !important;
        right: auto !important;
        padding: 0 16px;
    }

    .product-card {
        padding: 24px 20px;
    }

    .product-icon {
        font-size: 40px;
    }

    .product-title {
        font-size: 28px;
    }

    .product-title-english {
        font-size: 14px;
    }

    .product-desc {
        font-size: 14px;
    }

    .product-info-overlay {
        width: 100%;
        padding: 20px;
        text-align: center;
    }

    .product-viewer {
        height: 300px;
    }

    #productModelCanvas {
        transform: none !important;
    }

    .process-grid,
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 734px) {
    html {
        height: auto;
        overflow-y: visible;
    }

    body {
        min-height: auto;
    }

    .snap-container {
        scroll-snap-type: none;
        height: auto;
        overflow-y: visible;
        overflow-x: visible;
        position: static;
        margin-top: 44px;
    }

    .snap-section {
        height: auto;
        min-height: auto;
        scroll-snap-align: none;
        overflow: visible;
    }

    /* 确保所有区块在手机端都是自然高度 */
    .section,
    .section-block,
    .profile-section,
    .contact-block,
    .hero,
    .footer {
        height: auto !important;
        min-height: auto !important;
    }

    .services-section1 {
        position: relative;
        top: auto;
        transform: none;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a {
        font-size: 12px;
    }

    .headline {
        font-size: 36px;
    }

    .headline-sub {
        font-size: 19px;
    }

    .section-headline {
        font-size: 28px;
    }

    .section-headline-sub {
        font-size: 17px;
    }

    .services-scroll-container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 16px;
        overflow: visible;
    }

    .services-grid {
        flex-wrap: wrap;
        padding: 0;
        transform: none !important;
        transition: none !important;
    }

    .service-card {
        flex: 0 0 100%;
        min-width: 100%;
    }

    .scroll-btn {
        display: none;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        width: 100% !important;
        height: auto !important;
        position: relative !important;
        bottom: auto !important;
        right: auto !important;
        padding: 0 16px;
    }

    .product-card {
        padding: 24px 16px;
    }

    .product-icon {
        font-size: 36px;
    }

    .product-title {
        font-size: 22px;
    }

    .product-title-english {
        font-size: 12px;
    }

    .product-desc {
        font-size: 14px;
    }

    .product-info-overlay {
        width: 100%;
        padding: 16px;
        text-align: center;
    }

    .product-viewer {
        height: 250px;
    }

    #productModelCanvas {
        transform: none !important;
    }

    .process-grid,
    .cert-grid {
        grid-template-columns: 1fr;
    }

    .section-block {
        padding: 60px 0;
        min-height: auto;
        height: auto;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
        height: auto;
    }
}

/* 公司简介模块 */
.profile-section {
    height: calc(100vh - 44px);
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    padding: 44px 20px 20px;
    box-sizing: border-box;
}

.profile-container {
    max-width: 1160px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

.profile-bg-animation {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.5;
}

.section-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4;
    pointer-events: none;
}

.profile-header {
    text-align: center;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    padding-top: 60px;
}

.profile-title {
    font-size: 82px;
    font-weight: 600;
    color: var(--apple-dark);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.profile-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--apple-blue), #5856d6);
    margin: 0 auto;
    border-radius: 2px;
}

.profile-highlights {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.highlight-card {
    background: #fff;
    border-radius: 20px;
    padding: 20px 30px;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 180px;
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.highlight-year {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--apple-blue);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 8px;
}

.highlight-icon {
    display: block;
    font-size: 32px;
    color: var(--apple-blue);
    margin-bottom: 8px;
}

.highlight-label {
    font-size: 14px;
    color: var(--apple-light);
    font-weight: 500;
}

.profile-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    position: relative;
    z-index: 1;
    margin-top: -6%;
}

.profile-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-left: 120px;
}

.profile-intro {
    font-size: 18px;
    color: #6e6e73;
    line-height: 1.3;
    font-weight: 500;
}

.profile-detail {
    font-size: 18px;
    color: #6e6e73;
    line-height: 1.7;
}

.profile-intro strong,
.profile-detail strong {
    color: var(--apple-dark);
    font-weight: 600;
}

.profile-visual {
    position: relative;
    width: 520px;
    height: 520px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-animation {
    width: 100%;
    height: 100%;
}

.visual-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid var(--apple-blue);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse-ring 3s ease-in-out infinite;
}

.visual-ring-2 {
    width: 150px;
    height: 150px;
    border-color: #5856d6;
    animation-delay: 0.5s;
}

.visual-ring-3 {
    width: 100px;
    height: 100px;
    border-color: var(--apple-blue);
    animation-delay: 1s;
}

.visual-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: var(--apple-blue);
    border-radius: 50%;
    box-shadow: 0 0 16px var(--apple-blue);
}

@keyframes pulse-ring {

    0%,
    100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

/* 响应式 */
@media (max-width: 980px) {
    .profile-main {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .profile-visual {
        order: -1;
    }

    .highlight-card {
        min-width: 150px;
        padding: 24px 32px;
    }

    .highlight-year {
        font-size: 36px;
    }
}

@media (max-width: 734px) {
    .profile-section {
        padding: 60px 0;
        height: auto;
        min-height: auto;
    }

    .profile-container {
        padding: 0 22px;
    }

    .profile-title {
        font-size: 36px;
    }

    .profile-highlights {
        gap: 16px;
    }

    .highlight-card {
        min-width: 100%;
        padding: 20px 24px;
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .highlight-year,
    .highlight-icon {
        font-size: 28px;
        margin-bottom: 0;
    }

    .highlight-label {
        font-size: 13px;
    }

    .profile-main {
        padding: 28px;
        gap: 32px;
    }

    .profile-intro {
        font-size: 17px;
    }

    .profile-detail {
        font-size: 15px;
    }

    .profile-visual {
        width: 200px;
        height: 200px;
    }

    .visual-ring {
        width: 160px;
        height: 160px;
    }

    .visual-ring-2 {
        width: 120px;
        height: 120px;
    }

    .visual-ring-3 {
        width: 80px;
        height: 80px;
    }

    .process-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 20px;
        padding: 0 16px;
    }

    .process-box {
        width: 100%;
    }

    .process-box-top-left,
    .process-box-top-right,
    .process-box-bottom-left,
    .process-box-bottom-right {
        grid-column: 1;
        grid-row: auto;
    }

    .process-arrow-horizontal,
    .process-arrow-vertical-right,
    .process-arrow-horizontal-bottom,
    .process-arrow-vertical-left {
        display: none;
    }
}

/* ========================================
   移动端适配 - 全面优化
   ======================================== */

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px 0;
    z-index: 1001;
}

@media (max-width: 734px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        width: 100%;
        max-width: 100%;
        overflow-y: auto;
        display: none;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        display: flex;
    }

    .nav-links a {
        font-size: 24px;
        font-weight: 500;
        color: var(--apple-dark);
        text-decoration: none;
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .nav-links a:hover {
        background: rgba(0, 113, 227, 0.1);
        color: var(--apple-blue);
    }
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--apple-dark);
    transition: all 0.3s ease;
    border-radius: 1px;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 最大宽度480px - 小屏手机 */
@media (max-width: 480px) {

    /* 导航栏 */
    .navbar {
        padding: 0 16px;
        position: fixed;
        left: 0;
        right: 0;
        width: 100%;
    }

    .profile-text {
        padding-left: 0px;
    }

    .services-section1 {
        position: relative;
        top: auto;
        transform: none;
        max-width: 1600px;
        margin: 0 auto;
        padding: 0 22px;
        background: transparent;
        text-align: center;
        width: 100%;
        box-sizing: border-box;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
    }

    .products-grid {
        position: relative !important;
        bottom: auto !important;
        right: auto !important;
        grid-template-columns: 1fr;
        gap: 16px;
        width: 100% !important;
        height: auto !important;
        padding: 0 16px;
    }

    .section-block {
        height: auto;
        min-height: auto;
    }

    .contact-block {
        height: auto;
        min-height: auto;
    }

    .profile-section {
        height: auto;
        min-height: auto;
    }

    .nav-container {
        padding: 0;
        width: 100%;
        max-width: 100%;
    }

    .company-name {
        font-size: 15px;
        padding: 0;
        flex: 1;
    }

    .logo {
        width: 32px;
        height: 32px;
    }

    .menu-toggle {
        display: flex;
        flex-shrink: 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.99);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 15px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        width: 100%;
        max-width: 100%;
        overflow-y: auto;
        display: none;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        opacity: 1;
        display: flex;
        position: absolute;
        top: 45px;
        left: 0;
        background: #333;
        height: 200px;
        transition: all 0.3s ease;
        -webkit-transition: all 0.3s ease;
        -moz-transition: all 0.3s ease;
        -ms-transition: all 0.3s ease;
        -o-transition: all 0.3s ease;
    }

    .nav-links a {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 18px;
        font-weight: 500;
        color: #fff;
        text-decoration: none;
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .nav-links a:hover {
        background: rgba(0, 113, 227, 0.1);
        color: var(--apple-blue);
    }

    /* Hero 区域 */
    .hero {
        padding: 80px 16px 50px;
        min-height: auto;
    }

    .hero-content {
        padding: 0 10px;
    }

    .headline {
        font-size: 32px;
        line-height: 1.2;
        letter-spacing: -0.5px;
    }

    .headline-sub {
        font-size: 17px;
        margin-bottom: 20px;
        padding: 0 10px;
    }

    .lead {
        font-size: 15px;
        padding: 0 10px;
        margin-bottom: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        padding: 0 20px;
    }

    .btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 15px;
    }

    .hero-animation {
        display: none;
    }

    /* 通用区块 */
    .section-block {
        padding: 50px 0;
    }

    .section-headline {
        font-size: 26px;
        margin-bottom: 12px;
    }

    .section-headline-sub {
        font-size: 15px;
        padding: 0 20px;
    }

    .section-divider {
        width: 40px;
        height: 4px;
        margin: 16px auto;
    }

    /* 简介区块 */
    .profile-section {
        padding: 50px 0;
    }

    .profile-container {
        padding: 0 16px;
    }

    .profile-title {
        font-size: 28px;
    }

    .profile-main {
        padding: 20px;
    }

    .profile-intro,
    .profile-detail {
        font-size: 15px;
        line-height: 1.7;
    }

    /* 解决方案 */
    .services-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
        gap: 16px;
    }

    .service-card {
        padding: 28px 20px;
    }

    .service-card h3 {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .service-card-detail {
        font-size: 14px;
    }

    /* 资质认证 */
    .cert-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
        gap: 16px;
    }

    .cert-item {
        padding: 24px 20px;
    }

    .cert-item h3 {
        font-size: 18px;
    }

    .cert-item p {
        font-size: 14px;
    }

    /* 实施流程 */
    .process-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
        gap: 16px;
    }

    .process-step {
        padding: 28px 20px;
    }

    .process-step h3 {
        font-size: 20px;
    }

    .process-step p {
        font-size: 14px;
    }

    /* 联系我们 */
    .contact-section {
        padding: 50px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
        gap: 24px;
    }

    .contact-info {
        padding: 28px 20px;
        min-height: auto;
    }

    .contact-info h3 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .contact-info p {
        font-size: 15px;
        margin-bottom: 14px;
    }

    #amap-container {
        height: 280px;
    }

    /* 页脚 */
    .footer {
        padding: 40px 0;
    }

    .contact-info {
        height: auto;
    }

    .snap-section {
        min-height: auto;
    }

    .footer-content {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 30px;
        display: block;
        flex: none;
    }

    .footer-content {
        padding: 0px;
        max-width: 100%;
    }

    .footer-logo {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
        padding: 20px 0;
    }

    .footer-links a {
        font-size: 14px;
        padding: 8px 0;
        text-align: center;
    }

    .footer-copy {
        font-size: 12px;
        padding: 0 10px;
    }
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
    padding: 12px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.scroll-indicator-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.scroll-indicator-dot:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: scale(1.2);
}

.scroll-indicator-dot.active {
    background: var(--apple-blue);
    transform: scale(1.3);
}

.scroll-indicator-dot.active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(190, 42, 53, 0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1.3);
    }
}

/* 滚动触发动画 */
.scroll-animate {
    opacity: 0;
    margin-top: 30px;
    transition: opacity 0.6s ease-out, margin-top 0.6s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    margin-top: 0;
}

.scroll-animate-delay-1 {
    transition-delay: 0.1s;
}

.scroll-animate-delay-2 {
    transition-delay: 0.2s;
}

.scroll-animate-delay-3 {
    transition-delay: 0.3s;
}

.scroll-animate-delay-4 {
    transition-delay: 0.4s;
}

.scroll-animate-from-left {
    opacity: 0;
    margin-left: -30px;
    transition: opacity 0.6s ease-out, margin-left 0.6s ease-out;
}

.scroll-animate-from-left.visible {
    opacity: 1;
    margin-left: 0;
}

.scroll-animate-from-right {
    opacity: 0;
    margin-left: 30px;
    transition: opacity 0.6s ease-out, margin-left 0.6s ease-out;
}

.scroll-animate-from-right.visible {
    opacity: 1;
    margin-left: 0;
}

.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* 平板适配 */
@media (min-width: 481px) and (max-width: 768px) {
    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 13px;
    }

    .headline {
        font-size: 42px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .services-grid,
    .cert-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
        gap: 16px;
    }

    .contact-grid {
        padding: 0 20px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px 24px;
    }
}