/* Product Detail Page CSS */

/* Banner Section */
.product-banner {
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background-image: url('../image/banner_bg_new.png');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.product-banner .banner-title {
    position: relative;
    font-size: 66px;
    font-weight: 700;
    color: #fff;
    z-index: 1;
    margin: 0;
    font-style: italic;
}

/* Navigation Tabs */
.product-nav-tabs {
    width: 100%;
    height: 130px;
    background: #fff;
    box-shadow: 0px 0px 24px 0px rgba(135, 135, 135, 0.29);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 100px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    position: relative;
    padding: 20px 10px;
    gap: 20px;
    transition: all 0.3s ease;
    height: 100%;
}

.nav-tab .tab-icon {
    width: 30px;
    height: 30px;
    opacity: 1;
    transition: opacity 0.3s ease;
    filter: grayscale(100%) brightness(0) saturate(100%);
}

.nav-tab .tab-text {
    font-size: 22px;
    font-weight: 500;
    color: #000;
    white-space: nowrap;
    line-height: 1;
    transition: color 0.3s ease;
}

.nav-tab:hover .tab-icon,
.nav-tab.active .tab-icon {
    opacity: 1;
    filter: brightness(0) saturate(100%) invert(47%) sepia(74%) saturate(3228%) hue-rotate(343deg) brightness(97%) contrast(91%);
}

.nav-tab:hover .tab-text,
.nav-tab.active .tab-text {
    color: var(--primary-color);
    font-weight: 700;
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 200px;
    height: 5px;
    background: var(--primary-color);
    border-radius: 2.5px;
}

/* Product Sections */
.product-section {
    padding: 90px 0;
    background: #F7F8FB;
}
.intro-section {
    padding-top: 180px;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 60px;
    font-weight: 700;
    color: #000;
    margin: 0 0 25px;
    line-height: 1;
}

.section-title.center {
    text-align: center;
}

.section-subtitle {
    font-size: 22px;
    font-weight: 500;
    color: #A3A3A3;
    margin: 0;
    line-height: 1;
}

.product-intro-box {
    background: #fff;
    width: 100%;
    max-width: 1400px;
    padding: 50px 27px 60px 58px;
    margin-bottom: 60px;
}

.intro-content-row {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

.intro-left {
    flex: 1;
}

.system-subtitle {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    font-size: 56px;
    font-weight: 700;
    color: #000;
    margin-bottom: 45px;
    line-height: 1;
    white-space: nowrap;
    font-family: Barlow, sans-serif;
}

.image-badge {
    width: 36px;
    height: 36px;
    margin-left: 30px;
}

.image-badge img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-name-title {
    font-size: 22px;
    font-weight: 500;
    color: var(--primary-color);
    margin: 0 0 68px;
    line-height: 1;
    font-family: Barlow, sans-serif;
}

.feature-icon-list {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.feature-icon-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature-icon-circle {
    width: 86px;
    height: 86px;
    background: #E6E8F1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon-circle img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.feature-text {
    max-width: 497px;
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: #818181;
    line-height: 24px;
    margin: 8px 0 0;
    font-family: Barlow, sans-serif;
}

.intro-right {
    position: absolute;
    right: 0;
    width: 651px;
}

.product-image-container {
    position: relative;
    width: 100%;
    height: 440px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-hero-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 底部规格区块 - 对应设计稿 section_6 */
.specs-bottom-row {
    display: flex;
    gap: 30px;
}

.spec-block {
    flex: 1;
    background: rgba(247, 248, 251, 0.9);
    padding: 22px 30px 30px;
    height: 170px;
}

.spec-block-title {
    font-size: 30px;
    font-weight: 700;
    color: #000;
    text-align: center;
    margin: 0 0 19px;
    line-height: 30px;
    font-family: Barlow, sans-serif;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--primary-color);
}


.spec-block-item {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    padding-left: 2px;
}

.spec-block-text {
    font-size: 16px;
    color: #818181;
    line-height: 20px;
    font-family: Barlow, sans-serif;
}


/* 向后兼容旧样式 */
.product-main-card {
    background: #fff;
    padding: 60px;
    display: flex;
    align-items: flex-start;
    gap: 60px;
    margin-bottom: 60px;
    border-radius: 8px;
}

.product-info {
    flex: 1;
}

.product-name {
    font-size: 36px;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
    line-height: 1.3;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-row {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.feature-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 8px;
}

.feature-row p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
    color: #666;
}

.product-image {
    width: 500px;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: auto;
}

/* Product Specs Row */
.product-specs-row {
    display: flex;
    gap: 40px;
    margin-bottom: 80px;
}

.spec-card {
    flex: 1;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
}

.spec-title {
    font-size: 28px;
    font-weight: 700;
    color: #000;
    margin: 0 0 20px;
}

.spec-divider {
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin-bottom: 25px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.spec-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.spec-item span:last-child {
    font-size: 16px;
    color: #666;
}

/* System Title */
.system-title {
    font-size: 36px;
    font-weight: 700;
    color: #000;
    text-align: center;
    margin: 0 0 60px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: 480px 440px 480px;
    background: #fff;
}

.feature-column {
    display: flex;
    flex-direction: column;
}
.left-column {
    padding: 60px 0 60px 60px;
}

.left-column .feature-box {
    position: relative;
    padding-right: 30px;
}
.left-column .feature-box:first-child {
    padding-bottom: 48px;
}
.feature-box:first-child {
    margin-bottom: 50px;
}
.feature-box:first-child:after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 1px;
    background-image: linear-gradient(to right, #6e819c 50%, transparent 50%);
    background-size: 10px 1px;
    background-repeat: repeat-x;
}

.right-column {
    padding: 60px 30px 20px 0;
}

.right-column .feature-box {
    position: relative;
    padding-left: 30px;
}

.feature-title {
    font-size: 25px;
    font-weight: 500;
    color: #000;
    margin: 0 0 20px;
    line-height: 1;
}

.feature-bullets {
    list-style: none;
    padding: 0;
}

.feature-bullets li {
    font-size: 16px;
    color: #666;
    line-height: 28px;
    padding-left: 15px;
    position: relative;
}

.feature-bullets li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.feature-img {
    width: 100%;
    height: auto;
}
.feature-left-img-1 {
    width: 362px;
    margin-top: 30px;
}
.feature-left-img-2 {
    width: 366px;
    margin-top: 30px;
}
.feature-right-img-1 {
    width: 310px;
    margin-top: 20px;
}
.feature-right-img-2 {
    width: 180px;
    margin-top: 5px;
}

/* Legacy Column */
.legacy-column {
    background: #fff;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.legacy-column::before,
.legacy-column::after {
    content: '';
    position: absolute;
    top: 30px;
    bottom: 0;
    width: 1px;
    background-image: linear-gradient(to bottom, #6e819c 50%, transparent 50%);
    background-size: 1px 10px;
    background-repeat: repeat-y;
}

.legacy-column::before {
    left: 0;
}

.legacy-column::after {
    right: 0;
}

.legacy-box {
    text-align: center;
}

.legacy-title {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 25px;
}

.legacy-img {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.company-badge {
    text-align: center;
}

.company-badge img {
    max-width: 150px;
    height: auto;
}

.company-desc {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 0 30px;
    margin-top: -48px;
}

.desc-row {
    display: flex;
    gap: 20px;
    align-items: center;
}

.desc-row p {
    margin: 0;
    font-size: 16px;
    color: #818181;
}

/* Principle Section */
.principle-section {
    background: #F7F8FB;
}

.principle-section .principle-card:nth-child(2) {
    background: linear-gradient(-40deg, #F9E6DB, #FFF9E2);
    padding: 50px 60px 80px;
    margin-bottom: 60px;
}
.principle-section .principle-card:nth-child(3) {
    padding: 50px 0 40px 60px;
    height: 900px;
    background: url('../image/principle-bg-2.png') no-repeat center center / cover;
    box-sizing: border-box;
    margin-bottom: 60px;
}

.principle-content-top {
    margin-bottom: 5px;
}

.zp-diagram-section {
    text-align: center;
    margin-bottom: 75px;
}

.zp-main-diagram {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.zp-diagram-caption {
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 500;
}

.zeta-affects-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
    padding-right: 90px;
    margin-bottom: 60px;
}

.zeta-affects-left {
    flex: 1;
}

.zeta-section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.zeta-affects-grid {
    width: fit-content;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 76px;
}

.zeta-affect-item {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(223, 121, 61, .1);;
    border-radius: 50px;
    padding: 0 20px 0 15px;
    gap: 15px;
    width: 300px;
    height: 55px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.zeta-affect-item:hover {
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.affect-icon-box {
    position: relative;
    width: 36px;
    height: 36px;
    background: rgba(223, 121, 61, .16);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.affect-icon-box::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-color);
}

.affect-icon {
    position: relative;
    z-index: 1;
    width: 15px;
    height: 15px;
    object-fit: contain;
}

.affect-text {
    flex: 1;
    font-size: 16px;
    color: #818181;
    font-weight: 500;
}

.affect-arrow {
    width: 16px;
    height: 16px;
    opacity: 0.3;
}

.zeta-subtext {
    font-size: 22px;
    color: #000;
    font-weight: 500;
    line-height: 30px;
}

.zeta-affects-right {
    width: 297px;
    flex-shrink: 0;
}

.zeta-chart {
    width: 100%;
    height: auto;
}

.zp-measurement-mode {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 100px;
    margin-bottom: 100px;
    padding-right: 87px;
}
.zp-measurement-mode::after {
    content: "";
    position: absolute;
    left: -60px;
    top: 0;
    z-index: 0;
    width: 1400px;
    height: 1114px;
    background: url('../image/z3000-principle-bg-1.png') no-repeat top center / 1400px 609px, url('../image/z3000-principle-bg-2.png') no-repeat 25px 44px / 1329px 1070px;
}

.zp-mode-left {
    flex: 1;
    padding-top: 36px;
}

.zp-mode-title {
    font-size: 46px;
    font-weight: 700;
    color: #000;
    line-height: 1;
    margin-bottom: 70px;
}

.zp-mode-bubbles {
    display: flex;
    flex-direction: column;
    width: 643px;
    height: 215px;
    background: url(../image/z3000-principle-bg-3.png) no-repeat center / cover;
    margin-bottom: 110px;
}

.zp-bubble {
    display: inline-block;
    font-size: 22px;
    font-weight: 500;
    color: var(--primary-color);
    max-width: fit-content;
}
.zp-bubble.pink{
    padding-left: 40px;
    padding-top: 30px;
    height: 102px;
}

.zp-bubble.cyan{
    padding-left: 138px;
    padding-top: 30px;
    height: 92px;
}

.zp-mode-desc {
    font-size: 22px;
    color: #818181;
    line-height: 32px;
}

.zp-mode-right {
    width: 357px;
    flex-shrink: 0;
}

.zp-mode-img {
    width: 100%;
    height: auto;
}

.zp-spectrum-section {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 130px;
}

.zp-spectrum-left {
    flex: 1;
}

.zp-spectrum-left p {
    font-size: 18px;
    color: #000;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 30px;
}

.zp-spectrum-left p.zp-spectrum-label {
    font-size: 18px;
    color: #818181;
    font-weight: 500;
    margin-top: 100px;
}

.zp-spectrum-img {
    width: 653px;
    height: auto;
    flex-shrink: 0;
}

.zp-phase-mode-section {
    margin-bottom: 100px;
}

.zp-phase-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 63px;
    line-height: 1;
    text-align: center;
}

.zp-phase-content {
    display: flex;
    align-items: center;
}

.zp-phase-diagram {
    width: 746px;
    height: auto;
    margin-right: 30px;
}

.zp-phase-text {
    display: flex;
    gap: 20px;
    flex-direction: column;
}
.zp-phase-text > p {
    padding-left: 28px;
    line-height: 55px;
    font-size: 22px;
    color: var(--primary-color);
    font-weight: 500;
    white-space: nowrap;
}

.zp-affects-bottom {
    text-align: center;
}

.zp-bottom-img {
    max-width: 100%;
    height: auto;
    margin: 0 0 20px;
}

.zp-bottom-desc {
    font-size: 22px;
    color: #000;
    font-weight: 500;
    line-height: 28px;
}

.principle-section .principle-card:nth-child(4) {
    padding: 50px 60px 40px;
    background: url('../image/z3000-principle-bg.png') no-repeat top center / auto 100%;
    box-sizing: border-box;
}
.principle-section .principle-card:nth-child(3)  .principle-subtitle {
    margin-bottom: 3px;
}

.principle-subtitle {
    font-size: 46px;
    line-height: 1;
    font-weight: 700;
    color: #000;
    margin: 0 0 50px;
}

.principle-images {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
}

.principle-images img {
    width: 400px;
    height: auto;
}

.principle-desc {
    font-size: 22px;
    color: #000;
    font-weight: 500;
    text-align: center;
    margin: 0 0 90px;
}

.principle-charts {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.principle-charts img {
    width: 625px;
    height: auto;
}

.principle-text-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
}

.principle-text-row p {
    margin: 0;
    font-weight: 500;
    font-size: 22px;
    line-height: 30px;
    color: #000;
    flex: 1;
}


.principle-content {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 60px;
}

.principle-long-text {
    flex: 1;
    font-size: 16px;
    color: #818181;
    line-height: 24px;
    font-weight: 500;
    margin: 0;
}
.principle-card-3 .principle-long-text {
    font-size: 22px;
    color: #A3A3A3;
    line-height: 32px;
    font-weight: 500;
    margin: 0;
}

.principle-diagram {
    width: 668px;
    height: auto;
    flex-shrink: 0;
}

.equation-section {
    display: flex;
    gap: 100px;
    align-items: flex-start;
    padding-right: 40px;
}

.equation-img {
    width: 473px;
    height: auto;
    margin-top: 20px;
}

.equation-desc h4 {
    font-size: 46px;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
    text-align: center;
}

.equation-desc p {
    font-size: 22px;
    color: #a3a3a3;
    margin: 0 0 60px;
    line-height: 30px;
}

.equation-vars {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-left: 100px;
}

.equation-vars li {
    font-size: 22px;
    color: #a3a3a3;
    line-height: 34px;
}

/* Highlight Section */
.highlight-section {
    background: #F7F8FB;
}
.highlight-section .section-header {
    margin-bottom: 147px;
}

.highlight-subtitle {
    font-size: 56px;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
    line-height: 1;
    text-transform: uppercase;
}

.features-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin: 0 0 60px;
}

.unique-features-row {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-bottom: 170px;
}

.features-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-left: 105px;
    gap: 20px;
}

.feature-check-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.feature-check-item::before {
    content: "";
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 50%;
    background: #E6E8F1 url('../image/list-icon.png') no-repeat center center / 13px 13px;
}


.feature-check-item span {
    font-size: 16px;
    color: #818181;
}

.features-main-img {
    width: 628px;
    height: auto;
}

/* Algorithm Card */
.algorithm-card {
    background: url('../image/highlight-bg.png') no-repeat center center / cover;
    padding: 75px 120px 0;
    height: 788px;
    box-sizing: border-box;
    margin-bottom: 30px;
}

.algorithm-title {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 30px;
    line-height: 1;
}

.algorithm-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
}

.algorithm-list li {
    font-size: 22px;
    color: #fff;
    position: relative;
    line-height: 26px;
    font-weight: 700;
    opacity: 0.66;
}

.algorithm-list li::before {
    content: '· ';
    font-size: 22px;
}

.algorithm-text {
    font-size: 18px;
    color: rgba(255,255,255,0.66);
    line-height: 24px;
    text-align: justify;
    word-break: break-word;
}
.algorithm-text + .algorithm-text {
    margin-top: 45px;
}
.reference-text {
    font-size: 22px;
    color: #fff;
    font-weight: bold;
    text-align: center;
    margin-top: 30px;
}

/* Nicomp Distribution Card */
.nicomp-dist-card {
    background: #fff;
    padding: 60px 30px 30px;
    margin-bottom: 60px;
}

.nicomp-title {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    margin: 0 0 28px;
    padding-bottom: 25px;
    line-height: 1;
    border-bottom: 2px solid var(--primary-color)
}

.nicomp-title .highlight {
    color: var(--primary-color);
}


.nicomp-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.nicomp-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nicomp-feature span:last-child {
    font-size: 22px;
    color: #818181;
}

.nicomp-formula {
    font-size: 22px;
    font-weight: 500;
    color: var(--primary-color);
    margin: 0;
    text-align: center;
}

/* Comparison Card */
.comparison-card {
    background: url(../image/highlight-bg-2.png) no-repeat center center / cover;
    padding: 50px;
    margin-bottom: 60px;
}

.comparison-title {
    font-size: 46px;
    font-weight: 700;
    color: #000;
    margin: 0 0 20px;
}

.comparison-desc {
    font-weight: 500;
    font-size: 22px;
    color: #A3A3A3;
    line-height: 30px;
    margin: 0 0 25px;
}

.comparison-images {
    display: flex;
    gap: 30px;
}

.comparison-images img {
    flex: 1;
    max-width: 50%;
    height: auto;
    border-radius: 8px;
}

/* Multi-modal Card */
.multimodal-card {
    background: #fff;
    padding: 50px 60px 60px;
    margin-bottom: 60px;
}

.multimodal-title {
    font-size: 46px;
    font-weight: 700;
    color: #000;
    margin: 0 0 30px;
}

.multimodal-img {
    max-width: 100%;
    height: auto;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.option-card {
    background: #fff;
    padding-left: 40px;
    padding-top: 25px;
    padding-bottom: 10px;
}

.option-title {
    font-size: 25px;
    font-weight: 700;
    color: #000;
    line-height: 1;
}
.option-subtitle {
    font-size: 16px;
    color: #818181;
    line-height: 1;
    margin-top: 13px;
}

.option-content {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-top: 25px;
}
.last-card .option-content .option-text {
    margin-top: 87px;
}

.option-text {
    flex: 1;
}

.option-text p {
    font-size: 14px;
    color: #666;
    margin: 0 0 15px;
    line-height: 1.6;
}


.option-item {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}
.option-item .option-dot {
    margin-top: 6px;
}

.option-dot {
    width: 10px;
    height: 10px;
    background: rgba(223, 121, 61, 0.16);
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.option-dot::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-sizing: border-box;
}

.option-item span:last-child {
    font-size: 16px;
    color: #818181;
    line-height: 22px;
    max-width: 350px;
}

.option-img {
    position: absolute;
    right: 0;
    top: 0;
    width: 200px;
    height: auto;
    flex-shrink: 0;
    border-radius: 4px;
}

.option-img-1 {
    top: 15px;
    right: 6px;
    width: 241px;
    height: 207px;
}

.option-img-2 {
    top: 55px;
    width: 260px;
    height: 162px;
}

.option-img-3 {
    top: 80px;
    width: 289px;
    height: 140px;
}

.option-img-4 {
    top: 56px;
    right: 38px;
    width: 221px;
    height: 221px;
}

.option-img-5 {
    top: 15px;
    right: 113px;
    width: 54px;
    height: 136px;
}

.option-img-6 {
    right: 24px;
    width: 255px;
    height: 170px;
}

.option-img-7 {
    top: 107px;
    right: 36px;
    width: 224px;
    height: 199px;
}

.autodilution-card {
    display: flex;
    flex-direction: column;
}

.autodilution-card .option-text {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* PALS Card */
.pals-card {
    background: url(../image/highlight-bg-3.png) no-repeat center center / cover;
    padding: 60px 70px 30px;
    height: 930px;
    border-radius: 8px;
    box-sizing: border-box;
}

.pals-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 44px;
    text-align: center;
    line-height: 1;
}

.pals-img {
    max-width: 100%;
    height: auto;
    margin-bottom: 30px;
}

.pals-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
    max-width: 600px;
}

.pals-item {
    display: flex;
    align-items: center;
    gap: 17px;
}

.pals-item span {
    font-size: 22px;
    color: #000;
    font-weight: 500;
    line-height: 1;
}

/* Application Section */
.application-section {
    background: #F7F8FB;
}

.application-desc {
    font-size: 18px;
    color: #666;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.app-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #FFFFFF;
    box-shadow: 12px 12px 40px 0px rgba(185,183,230,0.27), -13px -13px 30px 5px #FFFFFF;
    padding: 30px;
}

.app-item {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 16px;
    color: #333;
    height: 55px;
    padding: 0 30px 0 22px;
}
.app-item:first-child {
    background: rgba(223, 121, 61, 0.1);
    border-radius: 23px;
}
.zeta-affect-item::after,
.app-item::after {
    content: "";
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 12px;
    background: url(../image/arrow-right.png) repeat-x 1px center / 7px 12px;
}

.applications-cate {
    display: flex;
    width: 100%;
    gap: 40px;
    margin-bottom: 120px;
}
.applications-cate img {
    width: 441px;
    height: auto;
    box-shadow: 12px 12px 40px 0px rgba(185,183,230,0.27), -13px -13px 30px 5px #FFFFFF;
}


/* Application Cases */
.app-cases {
    display: flex;
    flex-direction: column;
}

.app-case {
    margin-bottom: 60px;
}

.case-header {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 50px;
}
.case-header::before {
    content: '';
    position: absolute;
    left: -5px;
    top: -5px;
    z-index: -1;
    width: 317px;
    height: 97px;
    background: url(../image/case-tag.png) no-repeat center center / cover;
}

.case-header::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    z-index: -2;
    transform: translateY(-50%);
    width: 100%;
    height: 60px;
    background: #fff;
}
.case-tag {
    display: flex;
    align-items: center;
    width: 300px;
    height: 80px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding-left: 30px;
    white-space: nowrap;
    box-sizing: border-box;
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}

.case-title {
    display: flex;
    align-items: center;
    font-size: 25px;
    font-weight: 700;
    color: #000;
    font-weight: 700;
    margin-left: 30px;
    height: 60px;
}

.case-content {
    padding: 60px;
}
.case-content-1 {
    background: url(../image/application-case-bg-1.png) no-repeat center center / cover;
    max-height: 970px;
}
.case-content-2 {
    background: url(../image/application-case-bg-2.png) no-repeat center center / cover;
}
.case-content-3 {
    background: url(../image/application-case-bg-3.png) no-repeat center center / cover;
}
.case-content-4 {
    background: url(../image/application-case-bg-4.png) no-repeat center center / cover;
}
.case-content-5 {
    background: url(../image/application-case-bg-5.png) no-repeat center center / cover;
}

.case-content p {
    font-size: 22px;
    color: #000;
    line-height: 35px;
    margin: 0 0 20px;
}

.case-images {
    display: flex;
    gap: 30px;
    margin: 30px 0;
}

.case-images img {
    flex: 1;
    max-width: 50%;
    height: auto;
}

.case-images.two-col {
    gap: 40px;
    margin: 0
}

.case-images.three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.case-images.two-col .case-img-wrap {
    background: none;
    width: 100%;
}

.case-img-wrap {
    background: #fff;
}

.case-img-wrap img {
    width: 100%;
    max-width: none;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

.case-img-wrap .case-img-desc {
    font-size: 16px;
    color: #818181;
    line-height: 1.5;
    padding: 0 30px;
}

.img-label {
    display: block;
    text-align: center;
    font-size: 25px;
    color: #000;
}
.case-img {
    width: 100%;
    margin-bottom: 30px;
}
.case-overlay-section {
    display: flex;
    gap: 30px;
    align-items: center;
    margin: 30px 0;
    background: #fff;
}

.case-overlay-section img {
    width: 300px;
    height: auto;
    flex-shrink: 0;
}

.case-overlay-section p {
    flex: 1;
    color: #818181;
}

.case-bullets {
    display: flex;
    flex-direction: column;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 20px 0;
    background: #fff;
    padding: 30px;
}

.case-bullets li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: #818181;
    position: relative;
    line-height: 1;
}

.case-content .case-ref {
    color: #A3A3A3;
}
.case-content .case-ref-2 {
    color: var(--primary-color);
    text-align: center;
}
.case-content .case5-desc {
    font-size: 25px;
    color: var(--primary-color);
}
.case-content-5 .case-images {
    margin: 50px 0
}
/* Specification Section */
.specification-section {
    background: #F7F8FB;
}

.spec-table-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: #fff;
    box-shadow: 0px 2px 3px 0px rgba(152,152,152,0.26);
    border-radius: 12px;
    border: 1px solid #E7EAEC;
}

.spec-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 5px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.spec-table th,
.spec-table td {
    padding: 15px 20px;
    text-align: center;
    font-size: 16px;
    border-radius: 5px;
    font-weight: 500;
}

.spec-table tbody tr:nth-child(even) td {
    background: #F4F7F9;
}

.spec-table tbody tr:nth-child(odd) td {
    background: #FFFFFF;
}

.spec-table th {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    width: 20%
}


.spec-table td:first-child {
    font-weight: 500;
    color: #333;
    background: #F7F8FB;
}

.spec-table td:first-child,
.spec-table th:first-child {
    text-align: left;
}

.spec-table td {
    color: #666;
}

.spec-notes {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.note-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 440px;
    height: 120px;
    gap: 20px;
    padding: 0 30px;;
}
.note-item::before {
    content: "";
    position: absolute;
    top: -50px;
    left: -50px;
    width: 541px;
    height: 221px;
    background: url(../image/note-item-bg.png) no-repeat center center / cover;

}

.note-item span:last-child {
    font-size: 22px;
    color: var(--primary-color);
}
.specification-section {
    padding-bottom: 180px;
}