:root {
    --navy: #071c32;
    --navy-2: #0d2a46;
    --ink: #102536;
    --cyan: #47c8ee;
    --cyan-2: #9deaff;
    --mist: #edf8fb;
    --line: #cfdee5;
    --white: #fff;
    --max: 1200px;
    --shadow: 0 24px 70px rgba(4, 28, 49, .16)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none
}

button {
    font: inherit
}

.container {
    width: min(var(--max), calc(100% - 48px)) !important;
    margin: auto !important;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -60px;
    z-index: 1000;
    padding: 10px 16px;
    background: #fff;
    color: var(--navy);
    border-radius: 8px
}

.skip-link:focus {
    top: 12px
}

.site-header {
    position: fixed;
    z-index: 100;
    inset: 0 0 auto;
    color: #fff;
    transition: .35s
}

.site-header.scrolled {
    background: rgba(7, 28, 50, .93);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px rgba(255, 255, 255, .1)
}

.nav-wrap {
    height: 88px;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font: 600 27px/1 Arial, sans-serif;
    letter-spacing: .04em
}

.brand svg {
    width: 38px;
    height: 38px;
    fill: none;
    stroke: currentColor;
    stroke-width: 3.2;
    stroke-linecap: round
}

.brand sup {
    font-size: 9px;
    vertical-align: top
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 15px
}

.header-nav > a:not(.nav-cta) {
    opacity: .82
}

.header-nav > a:hover {
    opacity: 1;
    color: var(--cyan-2)
}

.nav-cta {
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 999px;
    padding: 10px 30px
}

.nav-cta span,
.button span,
.product-card a span {
    margin-left: 10px
}

.menu-toggle {
    display: none;
    background: none;
    border: 0;
    color: #fff;
    word-break: keep-all;
    text-wrap:nowrap;
    font-size: 12px;
}

.hero {
    height: max(760px, 100svh);
    min-height: 680px;
    position: relative;
    overflow: hidden;
    background: var(--navy);
    color: #fff
}

.hero-image {
    position: absolute;
    inset: 0;
    background: url(../image/hero-starteye.png) center/cover no-repeat;
    transform: scale(1.01)
}

.hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(7, 28, 50, .96) 0%, rgba(7, 28, 50, .9) 34%, rgba(7, 28, 50, .32) 60%, rgba(7, 28, 50, .05) 100%)
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 23vh
}

.hero-content .eyebrow {
    font-size: 20px;
    font-weight: 300;
}

.eyebrow {
    margin: 20px 0 22px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: .22em;
    color: var(--cyan-2);
}

.eyebrow.dark {
    color: #1688ae
}

.hero h1 {
    font-size: clamp(48px, 5vw, 78px);
    line-height: 1.17;
    letter-spacing: -.035em;
    margin: 0;
    max-width: 710px;
    font-weight: 300
}

.hero h1 span {
    font-weight: 700
}

.hero-lead {
    max-width: 550px;
    margin: 28px 0 34px;
    font-size: 18px;
    color: rgba(255, 255, 255, .78)
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: .25s
}

.button-primary {
    background: var(--cyan);
    color: var(--navy)
}

.button-primary:hover {
    background: var(--cyan-2);
    transform: translateY(-2px)
}

.button-ghost {
    border: 1px solid rgba(255, 255, 255, .45);
    color: #fff
}

.button-ghost:hover {
    background: rgba(255, 255, 255, .1)
}

.hero-proof {
    position: absolute;
    z-index: 2;
    right: 5vw;
    bottom: 50px;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 22px;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 18px;
    background: rgba(7, 28, 50, .5);
    backdrop-filter: blur(12px)
}

.hero-proof strong {
    font-size: 28px;
    color: var(--cyan-2);
    line-height: 1;
    font-weight: 300;
}

.hero-proof span {
    font-size: 18px;
    color: rgba(255, 255, 255, .76);
    line-height: 1.4
}

.proof-strip {
    background: #fff
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr) 1.25fr
}

.proof-grid > div {
    min-height: 190px;
    padding: 38px 28px;
    border-right: 1px solid var(--line);
    position: relative
}

.proof-grid > div:first-child {
    border-left: 1px solid var(--line)
}

.proof-index {
    position: absolute;
    top: 18px;
    right: 20px;
    color: #86a1af;
    font-size: 11px
}

.proof-grid strong {
    display: block;
    font: 300 48px/1.1 Arial, sans-serif;
    color: var(--navy)
}

.proof-grid strong small {
    font-size: 21px
}

.proof-grid p {
    font-size: 15px;
    margin: 10px 0 0;
    color: #5d7380
}

.proof-note {
    background: var(--mist)
}

.proof-note span {
    font-size: 11px;
    letter-spacing: .18em;
    color: #1688ae;
    font-weight: 700
}

.proof-note p {
    font-size: 17px !important;
    color: var(--ink) !important;
    max-width: 240px
}

.section {
    padding: 120px 0
}

.section-head {
    margin-bottom: 70px
}

.split-head {
    display: grid;
    grid-template-columns: 1fr .8fr;
    gap: 10%;
    align-items: end
}

.section h2,
.store-cta h2 {
    font-size: clamp(38px, 4vw, 60px);
    line-height: 1.22;
    letter-spacing: -.035em;
    margin: 0;
    font-weight: 650
}

.section-intro {
    font-size: 17px;
    color: #5c727f;
    margin: 0 0 4px
}

.technology {
    background: linear-gradient(180deg, #f4fbfd, #fff)
}

.tech-stage {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    /*min-height: 520px;*/
    border: 1px solid var(--line);
    border-radius: 28px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow)
}

.lens-orbit {
    position: relative;
    background: radial-gradient(circle at 50% 50%, #215574 0, #0b2945 52%, #061a2f 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.tech_lens {
    width: 80%;
    height: 250px;
    margin: 0 auto;
}

.tech_lens img {
    width: inherit;
    position: absolute;
    display: block;
    transition: 3s;
}

.tech_lens .img_lens {
    -webkit-animation-name: float;
    -webkit-animation-duration: 10s;
    -webkit-animation-iteration-count: infinite;
    transition: 3s;
}

.tech_lens .img_wave {
    right: -20px;
    transition: 3s;
}

.tech_lens [class*='img_arrow'] {
    left: 5%;
    transition: 3s ease;
}

.tech_lens .img_shadow {
    transform: scaleX(.8);
    opacity: .5;
    -webkit-animation-name: breathX;
    -webkit-animation-duration: 10s;
    -webkit-animation-iteration-count: infinite;
}

.tech_lens .img_ir {
    margin-top: -10%;
    filter: blur(3px);
    opacity: .4;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(15px);
    }

    100% {
        transform: translateY(0);
    }
}

@keyframes breathX {
    0% {
        transform: scaleX(.8);
    }

    50% {
        transform: scaleX(1);
    }

    100% {
        transform: scaleX(.8);
    }
}

.tech_lens > div {
    position: absolute;
    width: auto;
}

.tech_lens .tech_lens_left {
    left: 10%;
    margin-top: -8%;
    text-align: center;
    transition: 3s;
}

.tech_lens .tech_lens_right {
    right: 10%;
    margin-top: 35%;
    text-align: center;
    transition: 3s;
}

.tech_lens .tech_lens_right h4,
.tech_lens .tech_lens_left h4 {
    font-size: 18px;
    transition: 3s;
    font-weight: 300;
    color: var(--cyan-2);
}


@media (max-width: 900px) {
    .tech_lens [class*='img_arrow'] {
        left: 10%;
        top: 10%;
        transition: 3s;
    }

    .tech_lens .tech_lens_left {
        margin-top: 0%;
        left: 5%;
    }

    .tech_lens .tech_lens_right {
        margin-top: 30%;
        right: 5%
    }
}

@media (max-width: 600px) {
    .tech_lens {
        width: 85%;
        margin-bottom: -25%;
        min-height: 250px;
    }

    .tech_intro {
        margin-top: 3rem;
    }

    .tech_lens .img_wave {
        right: 0px;
        margin-bottom: -10px;
        transition: 3s;
    }

    .tech_lens [class*='img_arrow'] {
        left: 5%;
        top: 20%;
        transition: 3s;
    }

    .tech_lens .tech_lens_left {
        margin-top: -5%;
    }

    .tech_lens .tech_lens_right {
        margin-top: 35%;
    }

    .tech_lens .tech_lens_right h4,
    .tech_lens .tech_lens_left h4 {
        font-size: 12px;
        transition: 3s;
        font-weight: 300;
    }
}



.tech-list {
    padding: 26px 54px;
    display: flex;
    flex-direction: column;
    justify-content: center
}

.tech-list article {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 10px;
    padding: 32px 0;
    border-bottom: 1px solid var(--line)
}

.tech-list article:last-child {
    border-bottom: 0
}

.tech-list article > span {
    color: #1688ae;
    font: 700 12px Arial
}

.tech-list h3 {
    margin: -5px 0 7px;
    font-size: 22px
}

.tech-list p {
    margin: 0;
    color: #617582;
    font-size: 15px
}

.patent-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 30px
}

.patent-line > span {
    margin-right: auto;
    font-size: 15px;
    color: #637987
}

.patent-line div {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    font: 500 14px Arial;
    color: #58717e
}

img.img-patent {
    width: 80%;
}

.evidence {
    background: var(--navy);
    color: #fff
}

.evidence-grid {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 9%;
    align-items: center
}

.evidence-copy > p:not(.eyebrow) {
    color: #a9bdca;
    font-size: 16px
}

.text-button {
    margin-top: 24px;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .4);
    background: none;
    color: #fff;
    font-weight: 700;
    cursor: pointer
}

.text-button span {
    margin-left: 15px;
    color: var(--cyan)
}

.report-detail {
    padding: 14px 0 0;
    max-width: 470px
}

.report-detail p {
    font-size: 13px !important
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.feature-grid img {
    width: 100%;
    filter: grayscale(.5);
}

.feature-grid article {
    min-height: 245px;
    padding: 30px;
    border-left: 1px solid rgba(255, 255, 255, .15);
    border-bottom: 1px solid rgba(255, 255, 255, .15)
}

.feature-grid article:hover img {
    filter: grayscale(0);
}

.feature-grid article:nth-child(5),
.feature-grid article:nth-child(6) {
    border-bottom: 0
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid var(--cyan);
    border-radius: 50%;
    color: var(--cyan-2);
    font: 700 12px Arial;
    letter-spacing: .08em
}

.feature-grid .text-button {
    font-size: 15px;
    line-height: 1;
    margin-top: 0;
    font-weight: 500;
    border: 0;
    padding: 10px 30px 0 0;
}

.feature-grid .text-button span {
    margin-left: 0px;
    color: var(--cyan)
}

.feature-grid h3 {
    font-size: 21px;
    margin: 15px 0 8px
}

.feature-grid p {
    font-size: 15px;
    color: #9fb4c2;
    margin: 0
}

.center-head {
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto
}

.center-head > p:last-child {
    color: #657b87;
    font-size: 17px
}

.scene-tabs {
    display: flex;
    border-bottom: 1px solid var(--line);
    gap: 4px;
    justify-content: center
}

.scene-tabs button,
.scene-tabs a {
    padding: 16px 20px;
    border: 0;
    background: none;
    color: #6c818d;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    font-weight: 500;
    word-break: keep-all;
}

.scene-tabs button:focus,
.scene-tabs a:focus {
    color: var(--navy);
    border-color: var(--cyan);
    font-weight: 700
}

.scene-panel {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    min-height: 420px;
    margin-top: 40px;
    background: var(--mist);
    border-radius: 24px;
    overflow: hidden
}

.scene-visual {
    min-height: 250px;
    position: relative;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #d8f1f7, #a3d8e5);
    background-position: center;
    background-size: cover;
    overflow: hidden;
}

.scene-visual > span {
    position: absolute;
    top: 28px;
    left: 30px;
    font: 300 52px Arial;
    color: rgba(255, 255, 255, .5);
}

.scene-visual svg {
    width: 80%;
    fill: none;
    stroke: rgba(7, 28, 50, .48);
    stroke-width: 2
}

.scene-copy {
    padding: 70px 60px
}

.scene-en {
    font: 700 12px Arial;
    color: #1688ae;
    letter-spacing: .18em
}

.scene-copy h3 {
    font-size: 34px;
    line-height: 1.28;
    margin: 16px 0
}

.scene-copy > p:not(.scene-en) {
    color: #607784
}

.scene-copy ul {
    list-style: none;
    padding: 15px 0 0;
    margin: 0;
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.scene-copy li {
    padding: 7px 12px;
    border: 1px solid #bfd8df;
    border-radius: 999px;
    font-size: 15px
}

.products {
    background: #091f36;
    color: #fff
}

.product-head .section-intro {
    color: #a6bac6
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px
}

.product-card {
    position: relative;
    min-height: 520px;
    border-radius: 26px;
    padding: 36px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between
}

.lens-card {
    background: linear-gradient(145deg, #194565, #0c2a45)
}

.frame-card {
    background: linear-gradient(145deg, #eef8fb, #bedee8);
    color: var(--navy)
}

.card-tag {
    font: 700 11px Arial;
    letter-spacing: .18em;
    opacity: .7
}

.product-card h3 {
    font-size: 29px;
    margin: 0
}

.product-card p {
    opacity: .68;
    margin: 7px 0 20px
}

.product-card a {
    display: inline-block;
    font-weight: 700;
    border-bottom: 1px solid currentColor;
    padding-bottom: 4px
}

.store-cta {
    padding: 100px 0;
    background: var(--cyan);
    color: var(--navy)
}

.store-inner {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px
}

.store-cta .eyebrow {
    color: #0d6682
}

.store-cta h2 {
    max-width: 780px
}

.button-light {
    background: #fff;
    color: var(--navy);
    white-space: nowrap
}

.button-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(7, 28, 50, .13)
}

.site-footer {
    padding: 75px 0 25px;
    background: #061727;
    color: #fff
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr .6fr 1fr;
    gap: 8%
}

.footer-brand {
    margin-bottom: 25px
}

.footer-grid > div:first-child p {
    color: #8ba4b4
}

.footer-grid h3 {
    font-size: 13px;
    letter-spacing: .12em;
    color: #6e8a9d;
    margin: 0 0 18px
}

.footer-grid > div:nth-child(2) {
    display: flex;
    flex-direction: column
}

.footer-grid > div:nth-child(2) a {
    margin-bottom: 8px;
    color: #b8c8d2
}

.footer-grid > div:last-child p {
    color: #9eb1bd;
    font-size: 14px;
    margin: 0
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    display: flex;
    justify-content: space-between;
    color: #6f8797;
    font-size: 12px
}

@media(max-width:900px) {
    .container {
        width: min(100% - 32px, var(--max)) !important;
    }

    .nav-wrap {
        height: 72px
    }

    .menu-toggle {
        display: block;
        width: 44px;
        height: 44px;
        position: relative;
        z-index: 3;
        word-break: keep-all;
        text-wrap:nowrap;
        font-size: 12px;
    }

    .menu-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: currentColor;
        margin: 6px auto;
        transition: .3s
    }

    .menu-toggle[aria-expanded=true] span:first-child {
        transform: translateY(4px) rotate(45deg)
    }

    .menu-toggle[aria-expanded=true] span:last-child {
        transform: translateY(-4px) rotate(-45deg)
    }

    .header-nav {
        height: 100vh;
        position: fixed;
        inset: 0;
        background: var(--navy);
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        font-size: 22px;
        transform: translateX(100%);
        transition: .35s
    }

    .header-nav.open {
        transform: none
    }

    .nav-cta {
        margin-top: 10px
    }

    .hero {
        height: auto;
        min-height: 760px
    }

    .hero-content {
        padding-top: 190px
    }

    .hero-image {
        background-position: 64% center
    }

    .hero-shade {
        background: linear-gradient(90deg, rgba(7, 28, 50, .94), rgba(7, 28, 50, .57))
    }

    .hero-proof {
        right: 16px;
        bottom: 24px
    }

    .proof-grid {
        grid-template-columns: 1fr 1fr
    }

    .proof-grid > div:nth-child(3) {
        border-left: 1px solid var(--line)
    }

    .section {
        padding: 88px 0
    }

    .split-head,
    .evidence-grid {
        grid-template-columns: 1fr;
        gap: 30px
    }

    .section-head {
        margin-bottom: 48px
    }

    .tech-stage,
    .scene-panel {
        grid-template-columns: 1fr
    }

    .lens-orbit {
        min-height: 300px
    }

    .evidence-grid {
        gap: 55px
    }

    .product-grid {
        grid-template-columns: 1fr
    }

    .store-inner {
        align-items: flex-start;
        flex-direction: column
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr
    }

    .footer-grid > div:first-child {
        grid-column: 1/-1
    }
}

@media(max-width:600px) {
    .brand {
        font-size: 23px
    }

    .brand svg {
        width: 33px;
        height: 33px
    }

    .hero {
        /*min-height: 720px;*/
        /*height: 100svh;*/
    }

    .hero-content {
        padding-top: max(145px, 35svh);

    }

    .hero h1 {
        font-size: 40px
    }

    .hero-lead {
        font-size: 16px
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 330px
    }

    .hero-proof {
        display: none
    }

    .proof-grid {
        grid-template-columns: 1fr 1fr
    }

    .proof-grid > div {
        min-height: 158px;
        padding: 30px 18px
    }

    .proof-grid strong {
        font-size: 38px
    }

    .proof-note {
        grid-column: 1/-1;
        min-height: auto !important
    }

    .section h2,
    .store-cta h2 {
        font-size: 38px
    }

    .tech-stage {
        border-radius: 20px
    }

    .lens-orbit {
        min-height: 250px
    }

    .lens {
        width: 220px;
        height: 220px
    }

    .tech-list {
        padding: 16px 24px
    }

    .tech-list article {
        padding: 25px 0
    }

    .patent-line {
        flex-wrap: wrap
    }

    .patent-line > span {
        width: 100%;
        margin-bottom: 8px
    }

    .evidence-grid {
        gap: 42px
    }

    .feature-grid {
        grid-template-columns: 1fr
    }

    .feature-grid article {
        min-height: auto;
        padding: 28px 16px 30px;
        border-left: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .15) !important
    }

    .scene-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .scene-tabs button {
        white-space: nowrap;
        padding: 14px 18px
    }

    .scene-panel {
        margin-top: 24px
    }

    .scene-visual {
        min-height: 250px
    }

    .scene-copy {
        padding: 38px 26px
    }

    .scene-copy h3 {
        font-size: 28px
    }

    .product-card {
        min-height: 470px;
        padding: 28px
    }

    .product-lens {
        width: 230px;
        height: 230px
    }

    .frame-drawing {
        width: 285px
    }

    .frame-drawing i {
        width: 118px
    }

    .frame-drawing b {
        left: 116px;
        width: 53px
    }

    .footer-grid {
        grid-template-columns: 1fr
    }

    .footer-grid > div:first-child {
        grid-column: auto
    }

    .footer-bottom {
        flex-direction: column;
        gap: 6px
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }

    * {
        transition: none !important
    }
}