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

:root {
    --color-text: #CCCCCC;
    --color-heading: #D74E9C;
    --color-bg: #000000;
    --thumb-width: 120px;
    --line-spacing: 10px;
    --line-base-height: 15px;
    --line-max-height: 50px;
    --font-family-body: "DM Sans", "Helvetica Neue", Arial, sans-serif;
    --font-family-display: "Zalando Sans SemiExpanded", "DM Sans", "Helvetica Neue", Arial, sans-serif;
    --font-family-accent: "Bitcount Grid Single", "DM Sans", "Helvetica Neue", Arial, sans-serif;
    --type-root: clamp(13px, 12.4px + 0.2vw, 16px);
    --text-2xs: clamp(0.6875rem, 0.66rem + 0.14vw, 0.75rem);
    --text-xs: clamp(0.75rem, 0.72rem + 0.22vw, 0.85rem);
    --text-sm: clamp(0.8125rem, 0.77rem + 0.28vw, 0.95rem);
    --text-base: clamp(0.9375rem, 0.9rem + 0.28vw, 1.05rem);
    --text-md: clamp(1rem, 0.94rem + 0.44vw, 1.2rem);
    --text-lg: clamp(1.125rem, 1.04rem + 0.8vw, 1.5rem);
    --text-display-xs: clamp(2rem, 3.5vw, 3.125rem);
    --text-display-sm: clamp(2.8rem, 4.6vw, 4.8rem);
    --text-display-md: clamp(3rem, 8vw, 5rem);
    --text-display-lg: clamp(4rem, 15vw, 11.5rem);
    --text-display-xl: clamp(5.5rem, 14vw, 13rem);
    --text-watermark: clamp(10rem, 22vw, 22rem);
    --leading-tight: 1;
    --leading-display: 0.88;
    --leading-body: 1.7;
    --tracking-tight: -0.04em;
    --tracking-display: -0.02em;
    --tracking-brand: 0.02em;
    --tracking-copy: 0.03em;
    --tracking-meta: 0.12em;
    --tracking-ui: 0.05em;
    --tracking-label: 0.08em;
    --tracking-wide: 0.1em;
    --tracking-caps: 0.18em;
}

html {
    font-size: var(--type-root);
    /* 🎯 Lenis 接管滾動,強制關閉瀏覽器原生 smooth scroll,避免兩套滾動引擎打架 */
    scroll-behavior: auto;
    /* 🎯 阻止 Mac 觸控板上下回彈造成 Lenis 失同步、頂底卡頓 */
    overscroll-behavior-y: none;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    font-family: var(--font-family-body);
    font-size: var(--text-base);
    /*line-height: var(--leading-body);*/
    overflow-x: hidden;
    overflow-y: auto;
    /* 🎯 同步開啟 GPU 文字渲染抗鋸齒,滾動中字體不抖 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior-y: none;
}

@media (hover: none),
(pointer: coarse) {

    html,
    body {
        overscroll-behavior-y: auto;
    }
}

body::-webkit-scrollbar {
    width: 6px;
}

body::-webkit-scrollbar-track {
    background: #000000;
}

body::-webkit-scrollbar-thumb {
    background: rgba(215, 78, 156, 0.4);
    border-radius: 3px;
    transition: background-color .25s ease;
}

body::-webkit-scrollbar-thumb:hover {
    background: rgba(215, 78, 156, 0.7);
}

/* Firefox */
html {
    scrollbar-width: thin;
    scrollbar-color: rgba(215, 78, 156, 0.4) #000000;
}

/* =========================================================
       SCROLL CONTROL & STICKY CONTAINER
       ========================================================= */
.scroll-track {
    height: 600vh;
    position: relative;
    /* 🎯 觸控裝置只允許垂直滑動,避免水平手勢誤觸發瀏覽器導航 */
    touch-action: pan-y;
    /* 🎯 提示瀏覽器將整個 scroll-track 升為合成層,滾動完全交給 GPU */
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.sticky-container {
    position: sticky;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    /* 🎯 提示 GPU 建立獨立合成層,避免重繪整個頁面 */
    transform: translateZ(0);
    will-change: transform;
}

/* =========================================================
       SECTION 1: HERO / WEBGL SLIDESHOW
       ========================================================= */
.hero-section {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: #000;
    z-index: 1;
    isolation: isolate;
}

.hero-section,
.hero-section * {
    cursor: default !important;
}

.hero-section a,
.hero-section button,
.hero-section .slide-thumb,
.hero-section [data-cursor]/* ,
.hero-section .brand-core-video,
.hero-section .brand-core-video a,
.hero-section .brand-core-video *  */
{
    cursor: pointer !important;
}

/* brand-core-video 手指頭：最高優先級確保覆蓋 hero-section * */
/* .hero-section .brand-core-video-row .brand-core-video,
.hero-section .brand-core-video-row .brand-core-video a,
.hero-section .brand-core-video-row .brand-core-video video {
    cursor: pointer !important;
} */

#webgl-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    /* 🎯 WebGL canvas 強制獨立合成層,滾動中 GPU 不重繪整個 hero */
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
    contain: strict;
}

@media (max-width: 767px) {
    #webgl-container {
        background-image: url('images/home/load.webp');
    }
}

.slides {
    display: none;
}

/* --- OVERLAY UI (Typography Layout) --- */

.overlay-ui .footer-col a {
    padding-right: 0px;
}

.overlay-ui {
    position: absolute;
    inset: 0;
    padding: 2.5vw 3vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 500;
    pointer-events: none;
    color: #fff;
    mix-blend-mode: difference;
}

.overlay-ui a {
    pointer-events: auto;
    color: #fff;
    text-decoration: none;
    padding-right: 30px;
}

.overlay-top {
    width: 100%;
}

.overlay-bottom {
    width: 100%;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 6vh;
    position: relative;
    z-index: 2;
}

.huge-text {
    font-family: var(--font-family-display);
    font-stretch: semi-expanded;
    font-size: var(--text-display-lg);
    font-weight: 600;
    line-height: var(--leading-display);
    letter-spacing: var(--tracking-display);
    color: #D74E9C;
    mix-blend-mode: difference;
}

.small-tag {
    font-size: var(--text-xs);
    font-weight: 500;
    white-space: nowrap;
    letter-spacing: var(--tracking-ui);
    color: #D74E9C;
    mix-blend-mode: difference;
    padding-left: 15px;
}

.overlay-ui,
.huge-text,
.small-tag {
    will-change: transform;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    width: 100%;
}

.col-right {
    grid-column: 4;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.overlay-top .col-right {
    position: relative;
    z-index: 650;
    pointer-events: auto;
}

.services-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wide);
    line-height: var(--leading-body);
    color: rgba(255, 255, 255, 0.9);
}


.services-list_en {

    font-size: var(--text-xs);
    letter-spacing: 0em;

}

.services-list.services-list_en.bordered li {
    /* min-width: 170px; */
    white-space: nowrap;
}

.services-list.bordered li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 2px;
    margin-bottom: 4px;
    width: auto;
    min-width: 100px;
    text-align: right;
}

.services-list.bordered li:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding-top: 4px;
}

.services-list.bordered a {
    display: block;
    color: inherit;
    text-decoration: none;
    pointer-events: auto;
    transition: color 0.25s ease, opacity 0.25s ease;
}

.services-list.bordered a:hover,
.services-list.bordered a:focus-visible {
    color: #fff;
    opacity: 0.78;
    outline: none;
}

/* 品牌核心識別下方獨立影片方塊 (放在 hero-section 直接子層,跳脫 overlay-ui 的 mix-blend-mode) */
.brand-core-video-row {
    position: absolute;
    right: 3vw;
    bottom: 22vh;
    z-index: 600;
    pointer-events: auto;
}

.brand-core-video {
    width: clamp(180px, 14vw, 240px);
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    /* box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35); */
}

.brand-core-video a {
    cursor: pointer;
}

.brand-core-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 手機板隱藏 */
@media (max-width: 767px) {
    .brand-core-video-row {
        display: none;
    }
}


/* FWA of the Day 徽章 */
.fwa-badge {
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 99000;
    pointer-events: auto;
    display: block;
    width: 110px;
    height: auto;
    opacity: 0.88;
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

}



.fwa-badge img {
    width: 100%;
    height: auto;
    display: block;
}




.grid-section {
    position: relative;
    margin-bottom: 30vh;
}

.hero-quick-links-row {
    align-items: center;
    margin-bottom: 0.85rem;
}

.hero-quick-links-row>div {}

.hero-quick-links {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: clamp(36px, 4.6vw, 92px);
}

.hero-quick-links a {
    color: #D74E9C;
    font-family: 'DM Sans', sans-serif;
    font-size: var(--text-xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    pointer-events: auto;
    cursor: pointer;
    padding: 4px 14px;
    border: 1px solid rgba(215, 78, 156, 0.4);
    border-radius: 100px;
    transition: all 0.25s ease;
}

.hero-quick-links a:hover,
.hero-quick-links a:focus-visible {
    color: #FFFFFF;
    background: #D74E9C;
    border-color: #D74E9C;
    opacity: 1;
    outline: none;
}

@media (max-width: 900px) {
    .hero-quick-links {
        grid-column: 1 / -1;
        gap: 20px 30px;
    }
}

.border-top-line {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1rem;
}

.grid-section .grid-4 div {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: var(--tracking-wide);
}

.grid-section .grid-4.border-top-line>div:nth-child(1) {
    text-align: left;
}

.grid-section .grid-4.border-top-line>div:nth-child(2),
.grid-section .grid-4.border-top-line>div:nth-child(3) {
    text-align: center;
}

.grid-section .grid-4.border-top-line>div:nth-child(4) {
    text-align: right;
}

.cross-container {
    position: absolute;
    left: 0;
    right: 0;
    top: 50px;
    height: 18vh;
    pointer-events: none;
}

.cross {
    position: absolute;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-md);
    line-height: var(--leading-tight);
    font-weight: 300;
}

.c-tl {
    top: 0;
    left: 0;
}

.c-tr {
    top: 0;
    right: 0;
}

.c-bl {
    bottom: 0;
    left: 0;
}

.c-br {
    bottom: 0;
    right: 0;
}

.bottom-footer {
    font-size: var(--text-2xs);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    align-items: end;
}

.footer-col:nth-child(1) {
    grid-column: 1;
}

.footer-col:nth-child(2) {
    grid-column: 2;
}

.footer-links a {
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 6px;
    padding-bottom: 2px;
    width: fit-content;
    margin-left: auto;
    transition: color 0.3s, border-color 0.3s;
}

.footer-links a:hover {
    color: #fff;
    border-color: #fff;
}

/* --- BOTTOM SLIDESHOW CONTROLS --- */
.bottom-ui-container {
    position: absolute;
    bottom: 12vh;
    left: 50%;
    transform: translateX(-50%);
    width: 720px;
    max-width: 100%;
    z-index: 600;
    padding-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.slide-section {
    display: none;
}

.slide-counter {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: space-between;
    color: #fff;
    font-size: 0.825rem;
    margin-bottom: 24px;
}

.counter-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.counter-nav {
    width: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
    pointer-events: auto;
}

.counter-nav:hover {
    opacity: 1;
}

.counter-divider {
    opacity: 0.6;
    font-size: 0.8rem;
}

.slide-title-container {
    width: 100%;
    text-align: center;
    height: 30px;
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}

.slide-title {
    position: absolute;
    width: 100%;
    color: #fff;
    font-size: 1rem;
    opacity: 0.8;
    transition: transform 0.5s ease, opacity 0.5s ease;
    left: 0;
}

.slide-title.exit-up {
    transform: translateY(-30px);
    opacity: 0;
}

.slide-title.enter-up {
    transform: translateY(30px);
    opacity: 0;
}

.drag-indicator {
    width: 100%;
    height: 50px;
    pointer-events: none;
    margin-bottom: 8px;
    position: relative;
}

.lines-container {
    display: flex;
    height: 100%;
    width: 100%;
    position: relative;
    align-items: flex-end;
    justify-content: space-between;
}

.drag-line {
    width: 2px;
    background-color: rgba(255, 255, 255, 0.3);
    height: var(--line-base-height);
    transform-origin: bottom center;
    transition: height 0.6s cubic-bezier(0.25, 0.1, 0.25, 1),
        background-color 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.thumbs-container {
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    overflow: hidden;
    pointer-events: auto;
}

.slide-thumbs {
    display: flex;
    position: relative;
    background: transparent;
    padding: 0;
    z-index: 11;
    gap: 0;
}

.slide-thumb {
    width: var(--thumb-width);
    height: 60px;
    background-size: cover;
    background-position: left center;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s;
    border: none;
    outline: none;
    margin: 0;
    position: relative;
    z-index: 12;
    overflow: hidden;
}

.slide-thumb:hover {
    opacity: 0.8;
}

.slide-thumb.active {
    opacity: 1;
}

/* =========================================================
       SECTION 2: DARK WRAPPER & 3D CUBE (The Curtain)
       ========================================================= */
.dark-wrapper-mask {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10;
    overflow: hidden;
    clip-path: inset(100% 0 0 0);
    -webkit-clip-path: inset(100% 0 0 0);
    will-change: clip-path;
    contain: layout paint style;
}

.dark-wrapper {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background-color: #030303;
    color: #ffffff;
    z-index: 1;
    overflow: hidden;
    transform: translateZ(0);
    /* 🎯 外層只改可視高度,內容固定在原本 viewport 座標,避免 3D/absolute layers 被整包 transform 影響 */
    contain: layout paint;
}

.glow-bottom-left {
    position: absolute;
    bottom: -20vh;
    left: -10vw;
    width: 70vw;
    height: 70vh;
    background: radial-gradient(circle, rgba(200, 210, 215, 0.15) 0%, transparent 60%);
    filter: blur(60px);
    z-index: 0;
}

.glow-center-left {
    position: absolute;
    top: 20vh;
    left: 20vw;
    width: 50vw;
    height: 50vh;
    background: radial-gradient(circle, rgba(120, 160, 160, 0.1) 0%, transparent 60%);
    filter: blur(60px);
    z-index: 0;
}

nav.dark-nav {
    display: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    animation: float 2s infinite ease-in-out;
}

.si-block {
    display: flex;
    flex-direction: column;
    align-items: center;



    gap: 2px;
}

.si-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(1.6rem, 1.8vw, 2.2rem);
    height: auto;
    padding-bottom: 10px;
}

.si-letter img {
    width: 100%;
    height: auto;
    display: block;
}

.si-label {
    font-family: var(--font-family-body);
    font-size: var(--text-2xs);
    font-weight: 500;
    letter-spacing: var(--tracking-label);
    color: #fff;
    line-height: var(--leading-tight);
}

.si-line {
    width: 100%;
    height: 1px;
    background: #ffffff73;
    margin-top: 5px;
}

/* 
    @keyframes float {

      0%,
      100% {
        transform: translate(-50%, 0);
      }

      50% {
        transform: translate(-50%, 8px);
      }
    } */

.scene-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    z-index: 20;
    will-change: transform;
}

.scene {
    --scene-size: 160px;
    --scene-depth: 80px;
    width: var(--scene-size);
    height: var(--scene-size);
    perspective: calc(var(--scene-size) * 5);
}

.cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(-15deg) rotateY(-45deg);
    will-change: transform;
}

.face {
    position: absolute;
    width: var(--scene-size);
    height: var(--scene-size);
    background-color: #080808;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    user-select: none;
    backface-visibility: hidden;
}

.face-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.face.front {
    transform: rotateY(0deg) translateZ(var(--scene-depth));
}

.face.back {
    transform: rotateY(180deg) translateZ(var(--scene-depth));
}

.face.right {
    transform: rotateY(90deg) translateZ(var(--scene-depth));
}

.face.left {
    transform: rotateY(-90deg) translateZ(var(--scene-depth));
}

.face.top {
    transform: rotateX(90deg) translateZ(var(--scene-depth));
}

.face.bottom {
    transform: rotateX(-90deg) translateZ(var(--scene-depth));
}

.mobile-cube-section,
.mobile-marquee-section {
    display: none;
}

@media (max-width: 767px) {
    .mobile-cube-section {
        --mobile-cube-size: clamp(150px, 48vw, 210px);
        --mobile-cube-depth: calc(var(--mobile-cube-size) / 2);
        --mcube-bg-z: 1;
        --mcube-fade-z: 2;
        --mcube-scene-z: 3;
        --mcube-content-z: 4;
        --mcube-title-top: 60px;
        --mcube-scene-offset: 80px;
        --mcube-copy-top: 150px;
        --mcube-inline-pad: 28px;
        display: grid;
        place-items: center;
        position: relative;
        min-height: clamp(360px, 62svh, 520px);
        padding: 90px 0 48px;
        box-sizing: border-box;
        background: #000;
        overflow: visible;
        z-index: 2;
        isolation: isolate;
        transition: min-height 0.45s ease, padding 0.45s ease;
    }

    .mobile-cube-section::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: -72px;
        height: 160px;
        z-index: var(--mcube-fade-z);
        pointer-events: none;
        background:
            linear-gradient(to bottom,
                rgba(0, 0, 0, 0) 0%,
                rgba(0, 0, 0, 0.18) 28%,
                rgba(0, 0, 0, 0.48) 58%,
                rgba(0, 0, 0, 0.88) 100%);
        opacity: 0.96;
    }

    .mobile-cube-bg,
    .mobile-cube-bg::after {
        position: absolute;
        inset: 0;
    }

    .mobile-cube-bg {
        z-index: var(--mcube-bg-z);
        overflow: hidden;
        pointer-events: none;
    }

    .mobile-cube-bg::after {
        content: "";
        background: rgba(0, 0, 0, 0.42);
    }

    .mobile-cube-bg video,
    .mobile-cube-face img,
    .mobile-cube-face video {
        width: 100%;
        height: 100%;
        display: block;
        object-fit: cover;
    }

    .mobile-cube-bg video {
        filter: brightness(0.72);
        transform: scale(1.04);
    }

    .mobile-cube-scene {
        position: relative;
        z-index: var(--mcube-scene-z);
        width: var(--mobile-cube-size);
        height: var(--mobile-cube-size);
        perspective: calc(var(--mobile-cube-size) * 5);
        padding-top: var(--mcube-scene-offset);
        touch-action: pan-y;
    }

    .mobile-cube {
        position: relative;
        width: 100%;
        height: 100%;
        transform: rotateY(0deg);
        transform-style: preserve-3d;
        will-change: transform;
    }

    .mobile-cube-face {
        position: absolute;
        width: var(--mobile-cube-size);
        height: var(--mobile-cube-size);
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        background: #080808;
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: inset 0 0 34px rgba(0, 0, 0, 0.88);
        backface-visibility: hidden;
    }

    .mobile-cube-face.is-front {
        transform: rotateY(0deg) translateZ(var(--mobile-cube-depth));
    }

    .mobile-cube-face.is-back {
        transform: rotateY(180deg) translateZ(var(--mobile-cube-depth));
    }

    .mobile-cube-face.is-right {
        transform: rotateY(90deg) translateZ(var(--mobile-cube-depth));
    }

    .mobile-cube-face.is-left {
        transform: rotateY(-90deg) translateZ(var(--mobile-cube-depth));
    }

    .mobile-cube-face.is-top {
        transform: rotateX(90deg) translateZ(var(--mobile-cube-depth));
    }

    .mobile-cube-face.is-bottom {
        transform: rotateX(-90deg) translateZ(var(--mobile-cube-depth));
    }

    .mcube-title {
        position: absolute;
        top: var(--mcube-title-top);
        left: 0;
        z-index: var(--mcube-content-z);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        width: 100%;
        text-align: center;
        pointer-events: none;
    }

    .mcube-title__eye,
    .mcube-copy__desc,
    .mcube-copy__tag,
    .mcube-stat__label {
        font-family: 'DM Sans', sans-serif;
    }

    .mcube-title__eye {
        font-size: clamp(0.6rem, 2.8vw, 0.75rem);
        font-weight: 400;
        letter-spacing: 0.18em;
        color: rgba(255, 255, 255, 0.45);
        text-transform: uppercase;
        white-space: nowrap;
    }

    .mcube-title__line,
    .mcube-stat__num {
        font-family: 'Zalando Sans SemiExpanded', 'DM Sans', sans-serif;
    }

    .mcube-title__line {
        margin: 0;
        font-size: 10vw;
        font-weight: 700;
        line-height: 1;
        letter-spacing: -0.01em;
        color: #fff;
        text-transform: uppercase;
    }

    .mcube-copy {
        position: relative;
        z-index: var(--mcube-content-z);
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 100%;
        box-sizing: border-box;
        padding: var(--mcube-copy-top) var(--mcube-inline-pad) 0;
    }

    .mcube-copy__desc {
        margin: 0;
        font-size: clamp(0.78rem, 3.6vw, 0.95rem);
        font-weight: 400;
        line-height: 1.75;
        letter-spacing: 0.01em;
        color: rgba(255, 255, 255, 0.62);
        text-align: center;
    }

    .mcube-copy__tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .mcube-copy__tag {
        padding: 4px 10px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 2px;
        font-size: clamp(0.6rem, 2.6vw, 0.7rem);
        font-weight: 500;
        letter-spacing: 0.14em;
        color: rgba(255, 255, 255, 0.5);
        text-transform: uppercase;
        white-space: nowrap;
    }

    .mcube-copy__stats {
        display: flex;
        gap: 24px;
        padding-top: 4px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mcube-stat {
        display: flex;
        flex-direction: column;
        gap: 3px;
    }

    .mcube-stat__num {
        font-size: clamp(1.3rem, 6vw, 1.6rem);
        font-weight: 700;
        line-height: 1;
        letter-spacing: -0.02em;
        color: #fff;
    }

    .mcube-stat__label {
        font-size: clamp(0.58rem, 2.4vw, 0.65rem);
        font-weight: 400;
        letter-spacing: 0.1em;
        color: rgba(255, 255, 255, 0.38);
        text-transform: uppercase;
    }

    .mobile-marquee-section {
        display: block;
        position: relative;
        z-index: 2;
        max-height: 0;
        padding: 0;
        overflow: hidden;
        background: #000;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-20px);
        transition: opacity 0.45s ease, transform 0.45s ease, max-height 0.45s ease, padding 0.45s ease;
    }

    .mobile-marquee-section .mobile-marquee-outer {
        width: 100%;
        overflow: hidden;
        mix-blend-mode: difference;
    }

    .mobile-marquee-section .marquee-inner,
    .mobile-marquee-section .marquee-set {
        display: flex;
        align-items: center;
    }

    .mobile-marquee-section .marquee-inner {
        transform: translateZ(0);
        will-change: transform;
    }

    .mobile-marquee-section .marquee-set,
    .mobile-marquee-section .marquee-block,
    .mobile-marquee-section .marquee-label {
        flex-shrink: 0;
    }

    .mobile-marquee-section .marquee-block {
        display: inline-flex;
        align-items: baseline;
        padding: 0;
    }

    .mobile-marquee-section .huge-title.marquee-item {
        margin: 0 0.4em 0 0;
        font-family: 'Zalando Sans SemiExpanded', 'DM Sans', sans-serif;
        font-stretch: semi-expanded;
        font-size: 14vw;
        font-weight: 600;
        line-height: 1;
        color: #fff;
        white-space: nowrap;
    }

    .mobile-marquee-section .marquee-label {
        margin-right: 1.2em;
        font-family: 'DM Sans', sans-serif;
        font-size: clamp(0.7rem, 2.4vw, 0.95rem);
        font-weight: 400;
        line-height: 1;
        letter-spacing: 0.05em;
        color: #fff;
        white-space: nowrap;
    }
}

.face-subtitle {
    font-size: 0.75rem;
    color: #888;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.face-title {
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.1;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.top-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #aaa;
    transform: scaleY(-1);
}

.intro-panel {
    position: absolute;
    inset: 0;
    z-index: 16;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    overflow: visible;
    will-change: opacity;
    isolation: isolate;
}

.intro-panel .dual-wave-wrapper {
    display: flex;
    width: 90%;
    position: relative;
    gap: 25vw;
}

.intro-panel .wave-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(0.7rem, 1.7vh, 1.25rem);
    font-family: 'DM Sans', 'Helvetica Neue', sans-serif;
    font-size: clamp(1.3rem, 2.5vw, 2.35rem);
    font-weight: 400;
    line-height: 1;
    position: relative;
    z-index: 100;
}

.intro-panel .wave-column-left {
    align-items: flex-start;
}

.intro-panel .wave-column-right {
    align-items: flex-end;
}

.intro-panel .animated-text {
    width: max-content;
    color: rgba(255, 255, 255, 0.25);
    text-transform: uppercase;
    transition: color 300ms ease-out;
    pointer-events: auto;
    user-select: none;
    cursor: default;
}

.intro-panel .animated-text.focused {
    color: #fff;
}

.intro-panel .image-thumbnail-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    z-index: 10;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.6rem;
}

.intro-panel .ip-thumb-row {
    display: flex;
    align-items: center;
    width: 100%;
}

.intro-panel .ip-thumb-line {
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.intro-panel .image-thumbnail {
    width: auto;
    height: auto;
    max-width: 15vw;
    max-height: 30vh;
    flex-shrink: 0;
}

@media (max-width: 1023px) {
    .intro-panel .dual-wave-wrapper {
        width: 100%;
        gap: 10vw;
    }

    .intro-panel .wave-column {
        /* gap: 2.5rem; */
        font-size: clamp(1.3rem, 2.5vw, 2.35rem);
    }

    .intro-panel .image-thumbnail-wrapper {
        width: 50vw;
    }

    .intro-panel .image-thumbnail {
        max-width: 100%;
    }
}

.ip-top-header {
    position: absolute;
    top: 28vh;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 50;
    pointer-events: none;
    width: min(80%, 60rem);
    mix-blend-mode: difference;
    opacity: 0;
}

.ip-bottom-letter {
    position: absolute;
    bottom: 25vh;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 50;
    pointer-events: none;
    mix-blend-mode: difference;
    opacity: 0;
}

.ip-top-chapter1 {
    position: absolute;
    font-size: 1rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 50;
    pointer-events: none;
    width: min(80%, 60rem);
    mix-blend-mode: difference;
}

.ip-top-chapter {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: #ddd;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.ip-top-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(5rem, 10vw, 9rem);
    font-weight: 900;
    line-height: 1.0;
    color: #fff;
    text-transform: uppercase;
    margin: 0;
    letter-spacing: -0.04em;
    transform: translateY(110%);
    will-change: transform, opacity;
}

.section-2-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 15;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    overflow: visible;
    padding-top: 50px;
}

.section-2-content .subtitle,
.new-text-group .subtitle {
    font-size: 0.95rem;
    color: #ddd;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.section-2-content .title-wrapper,
.new-text-group .title-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    mix-blend-mode: difference;
}

/* ── Marquee (title-wrapper replacement) ── */
.section-2-content .title-wrapper.marquee-wrapper {
    display: block;
    width: 100%;
    overflow: hidden;
    mix-blend-mode: difference;
}


.marquee-outer {
    overflow: hidden;
    width: 100%;
}

.marquee-inner {
    display: flex;
    align-items: center;
    transform: translateZ(0);
    /* GPU layer without will-change overhead */
}

.marquee-set {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.marquee-block {
    display: inline-flex;
    align-items: baseline;
    /* gap: 0.5em; */
    flex-shrink: 0;
    padding: 0;

}

.huge-title.marquee-item {
    white-space: nowrap;
    flex-shrink: 0;
}

.marquee-label {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(0.875rem, 1vw, 1.2rem);
    font-weight: 400;
    color: #fff;
    white-space: nowrap;
    letter-spacing: 0.05em;
    line-height: 1;
    flex-shrink: 0;
    /* border-top: 1px solid rgba(255,255,255,0.3);
      border-bottom: 1px solid rgba(255,255,255,0.3); */
    padding: 0.35em 0;
    align-self: center;
}

.marquee-sep {
    font-size: 4vw;
    color: rgba(255, 255, 255, 0.35);
    margin: 0 2.5vw;
    flex-shrink: 0;
    line-height: 1;
}

.section-2-content .huge-title,
.new-text-group .huge-title {
    /* font-family: 'Zalando Sans SemiExpanded', 'DM Sans', sans-serif; */
    font-family: "Bitcount Grid Single", monospace;
    font-stretch: semi-expanded;
    font-size: 10vw;
    /* font-weight: 600; */
    font-weight: 400;
    line-height: 1;
    text-align: center;
    margin: 0;
    color: #ffffff;
    white-space: nowrap;
}

.section-2-content .title-outline,
.new-text-group .title-outline {
    color: #fff;
}

.section-2-content .desc,
.new-text-group .desc {
    font-size: 14px;
    color: #ccc;
    max-width: 400px;
    text-align: center;
    line-height: 1.8;
    /* text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); */
    margin-top: 30px;
}

.title-reveal-wrap {
    overflow: hidden;
    display: block;
}

.new-text-group {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 50px;
    pointer-events: none;
    z-index: 31;
    opacity: 0;
    overflow: hidden;
}

.text-blend {
    mix-blend-mode: difference;
}

@media (max-width: 768px) {
    .dark-wrapper-mask {
        display: none !important;
    }

    .dark-wrapper {
        position: relative;
        width: 100%;
        height: 100%;
        background-color: transparent;
        overflow: visible;
        clip-path: none !important;
        contain: none;
    }

    .dark-wrapper>*:not(.scene-wrapper) {
        display: none !important;
    }

    .scene-wrapper {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    .dark-wrapper>video {
        opacity: 0.14 !important;
    }

    .dark-wrapper .glow-bottom-left,
    .dark-wrapper .glow-center-left {
        display: none;
    }

    .dark-wrapper .scroll-indicator {
        display: none;
    }

    html.is-dark-wrapper-mobile-intro #scroll-progress,
    html.is-dark-wrapper-mobile-intro #fixed-logo,
    html.is-dark-wrapper-mobile-intro #menu-btn,
    html.is-dark-wrapper-mobile-intro #nav_scroll_container,
    html.is-dark-wrapper-mobile-intro .overlay-ui,
    html.is-dark-wrapper-mobile-intro .stm-section {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    nav.dark-nav {
        width: 90vw;
        left: 5vw;
        right: auto;
        justify-content: space-between;
        gap: 10px;
    }

    .intro-panel {
        overflow: hidden;
    }

    .intro-panel .ip-top-header {
        display: none;
    }

    .intro-panel .dual-wave-wrapper {
        width: calc(100vw - 12px);
        gap: 0;
        padding: 0 6px;
        justify-content: space-between;
    }

    .intro-panel .wave-column {
        flex: 0 0 22.5vw;
        max-width: 22.5vw;
        gap: clamp(12px, 3.2vw, 15px);
        font-size: clamp(9px, 2.4vw, 11px);
        line-height: 1;
        letter-spacing: 0;
    }

    .intro-panel .animated-text {
        color: rgba(255, 255, 255, 0.22);
    }

    .intro-panel .animated-text.focused {
        color: rgba(255, 255, 255, 0.94);
    }

    .intro-panel .animated-text .at-en {
        transform: none !important;
    }

    .intro-panel .animated-text .at-zh {
        display: none;
    }

    .intro-panel .wave-column-right .animated-text .flip-wrap {
        display: none;
    }

    .intro-panel .wave-column-right .animated-text::before {
        display: block;
    }

    .intro-panel .wave-column-right .animated-text:nth-child(1)::before {
        content: "CORE-SITE";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(2)::before {
        content: "GEN-AI VISUAL";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(3)::before {
        content: "MOTION FLOW";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(4)::before {
        content: "WEBGL REALM";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(5)::before {
        content: "3D MATRIX";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(6)::before {
        content: "INTERACTION";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(7)::before {
        content: "PIXEL PERFECT";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(8)::before {
        content: "LOGIC BUILD";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(9)::before {
        content: "FLUID UI";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(10)::before {
        content: "AERO DESIGN";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(11)::before {
        content: "PURE CODE";
    }

    .intro-panel .wave-column-right .animated-text:nth-child(12)::before {
        content: "DIGITAL ART";
    }

    .intro-panel .image-thumbnail-wrapper {
        top: 54%;
        width: min(51vw, 220px);
        gap: 0;
        z-index: 90;
    }

    .intro-panel .ip-thumb-line {
        display: none;
    }

    .intro-panel .image-thumbnail {
        width: min(51vw, 220px);
        height: min(38.25vw, 165px);
        max-width: none;
        max-height: none;
        object-fit: cover;
        display: block;
    }

    .ip-top-chapter1 {
        top: 54%;
        width: auto;
        font-size: clamp(9px, 2.5vw, 11px);
        line-height: 1;
        white-space: nowrap;
        transform: translate(-50%, -50%);
        z-index: 120;
    }

    .scene {
        --scene-size: 120px;
        --scene-depth: 60px;
    }

    .stm-logo,
    .stm-section {
        display: none !important;
    }

    .face-title {
        font-size: var(--text-base);
        margin-bottom: 8px;
    }

    .face-subtitle {
        font-size: var(--text-2xs);
    }

    .link-btn {
        font-size: var(--text-2xs);
        padding: 3px 8px;
    }

    .section-2-content .huge-title,
    .new-text-group .huge-title {
        font-size: 20vw;
    }

    .section-2-content .desc,
    .new-text-group .desc {
        padding: 0 20px;
    }

    /* services-list: no wrapping on mobile */
    .services-list li,
    .services-list.services-list_en.bordered li {
        white-space: nowrap;
    }

    /* hide "Strategy, Design..." tagline on mobile */
    .bottom-footer .footer-col:nth-child(1) {
        display: none !important;
    }

    /* shift remaining cols to fill the gap */
    .bottom-footer .footer-col:nth-child(2) {
        grid-column: 1;
        overflow: visible !important;
    }

    .bottom-footer .footer-col:nth-child(3) {
        grid-column: 4;
    }

    .bottom-footer {
        align-items: start;
    }

    /*.overlay-ui {padding: 2vw 3vw;}*/
}

/* =========================================================
       SECTION STM: SCROLL TEXT MOTION
       ========================================================= */
.stm-section {
	position: relative;
	background: transparent;
	overflow: visible;
	pointer-events: none;
	z-index: 25;
	padding-bottom: clamp(150px, 25vh, 450px);
}

.stm-section .stm-el {
	pointer-events: auto;
}

.stm-content {
	position: relative;
	z-index: 25;
	padding: 4vh 1.5rem clamp(300px, 50vh, 750px);
	transform: translateZ(0);
	will-change: transform, opacity;
}

.stm-group {
	display: flex;
	flex-direction: column;
	margin-bottom: clamp(20px, 3.5vh, 55px);
}

.stm-el {
	white-space: nowrap;
	filter: blur(0px);
	text-transform: uppercase;
	opacity: 0.85;
	font-family: 'DM Sans', sans-serif;
	font-size: clamp(11px, 1.1vw, 15px);
	color: #fff;
	mix-blend-mode: difference;
}

.stm-el--xl {
	font-size: clamp(2.5rem, 12vw, 10rem);
	opacity: 1;
	font-family: 'Bitcount Grid Single', sans-serif;
	font-weight: 400;
	mix-blend-mode: difference;
	line-height: 0.95;
}

.stm-pos-2 {
	margin-left: clamp(1rem, 15vw, 25vw);
	max-width: 80vw;
}

.stm-pos-3 {
	margin-left: clamp(2rem, 30vw, 50vw);
	max-width: 48vw;
}

.stm-pos-4 {
	margin-left: auto;
	margin-right: 2rem;
	max-width: 48vw;
}

.stm-pos-xl-right {
	align-self: flex-end;
	margin-right: 4vw;
	margin-left: auto;
	max-width: 50vw;
}

.stm-pos-5 {
	margin-top: clamp(10px, 2vh, 30px);
	opacity: 1;
}

.stm-pos-6 {
	margin-left: auto;
	margin-right: 2rem;
	margin-top: clamp(10px, 2vh, 30px);
	opacity: 1;
	max-width: 48vw;
}

.stm-pos-7 {
	margin-top: clamp(10px, 2vh, 30px);
	opacity: 1;
	filter: blur(1.2px);
}

.stm-pos-8 {
	margin-left: clamp(1rem, 15vw, 25vw);
	margin-top: clamp(10px, 2vh, 30px);
	opacity: 1;
	filter: blur(2px);
	max-width: 75vw;
}

.stm-pos-9 {
	margin-left: clamp(1rem, 15vw, 25vw);
	margin-top: clamp(10px, 2vh, 40px);
	max-width: 75vw;
}

.stm-pos-10 {
	margin-left: clamp(2rem, 30vw, 50vw);
	margin-top: clamp(10px, 2vh, 40px);
	max-width: 48vw;
}

.stm-logo {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 40;
    opacity: 0;
    transition: opacity 0.5s;
}

.stm-logo img {
    width: clamp(120px, 20vw, 60px);
    height: auto;
    display: block;
}

.stm-logo.is-visible {
    opacity: 1;
}

@keyframes blink-cursor {

    from,
    to {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.stm-typing {
    display: inline-block;
    animation: blink-cursor 0.7s linear infinite;
}

/* =========================================================
         SECTION 3: CORE CAPABILITIES
         ========================================================= */
.ccap-section {
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
    color: #fff;
}

#core-capabilities {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: var(--color-bg);
    z-index: 30;
}

.ring-gallery-sticky {
    position: sticky;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background: var(--color-bg);
    isolation: isolate;
}

.ring-gallery-sticky::before,
.ring-gallery-sticky::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: clamp(96px, 18vh, 220px);
    pointer-events: none;
    z-index: 3;
}

.ring-gallery-sticky::before {
    top: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.72) 38%, rgba(0, 0, 0, 0) 100%);
}

.ring-gallery-sticky::after {
    bottom: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.78) 36%, rgba(0, 0, 0, 0) 100%);
}

.ccap-side-fade {
    position: absolute;
    top: 0;
    bottom: 0;
    width: clamp(72px, 10vw, 180px);
    pointer-events: none;
    z-index: 3;
}

.ccap-side-fade-left {
    left: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.68) 36%, rgba(0, 0, 0, 0) 100%);
}

.ccap-side-fade-right {
    right: 0;
    background: linear-gradient(270deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.68) 36%, rgba(0, 0, 0, 0) 100%);
}

.ccap-exit-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: #000;
    opacity: 0;
    pointer-events: none;
    will-change: opacity;
}

#sketch {
    position: absolute;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: var(--color-bg);
}

#sketch canvas {
    display: block;
    width: 100%;
    height: 100%;
    opacity: .7;
}

.hero-dom {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(24px, 4vw, 48px);
    pointer-events: none;
    opacity: 1;
    will-change: opacity;
}

#core-capabilities main {
    position: relative;
    width: min(100%, 1400px);
    min-height: 100vh;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 48px) 4vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    will-change: transform;
    transform-origin: 50% 50%;
}

/* stm section 底部漸層 → 黑色消融進 ccap */
.stm-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40vh;
    background: linear-gradient(to bottom, transparent 0%, #000 100%);
    pointer-events: none;
    z-index: 0;
}

#core-capabilities .reveal-wrap {
    overflow: hidden;
    display: inline-flex;
    vertical-align: top;
}

#core-capabilities .reveal-inner {
    display: inline-block;
    transform: translateY(110%);
    will-change: transform;
    transition: transform 0.9s cubic-bezier(0.19, 1, 0.22, 1);

}

#core-capabilities.is-revealed .reveal-inner {
    transform: translateY(0);
}

#core-capabilities .top-nav .nav-left .reveal-inner {
    transition-delay: 0.05s;
}

#core-capabilities .top-nav .nav-center .reveal-inner {
    transition-delay: 0.12s;
}

#core-capabilities .top-nav .nav-right .reveal-inner {
    transition-delay: 0.19s;
}

#core-capabilities .giant-title .reveal-inner {
    transition-duration: 1.1s;
    transition-delay: 0.15s;
}

#core-capabilities .sub-title .reveal-wrap:nth-of-type(1) .reveal-inner {
    transition-delay: 0.25s;
}

#core-capabilities .sub-title .reveal-wrap:nth-of-type(2) .reveal-inner {
    transition-delay: 0.32s;
}

#core-capabilities .service-label .reveal-inner {
    transition-delay: 0.6s;
}

#core-capabilities .service-tags .reveal-wrap:nth-child(1) .reveal-inner {
    transition-delay: 0.7s;
}

#core-capabilities .service-tags .reveal-wrap:nth-child(2) .reveal-inner {
    transition-delay: 0.74s;
}

#core-capabilities .service-tags .reveal-wrap:nth-child(3) .reveal-inner {
    transition-delay: 0.78s;
}

#core-capabilities .service-tags .reveal-wrap:nth-child(4) .reveal-inner {
    transition-delay: 0.82s;
}

#core-capabilities .footer-desc .reveal-wrap:nth-of-type(1) .reveal-inner {
    transition-delay: 0.8s;
}

#core-capabilities .footer-desc .reveal-wrap:nth-of-type(2) .reveal-inner {
    transition-delay: 0.87s;
}

#core-capabilities .footer-desc .reveal-wrap:nth-of-type(3) .reveal-inner {
    transition-delay: 0.94s;
}

#core-capabilities .media-box,
#core-capabilities .center-video-box {
    transition: clip-path 1.1s cubic-bezier(0.645, 0.045, 0.355, 1);
}

#core-capabilities.is-revealed .media-box,
#core-capabilities.is-revealed .center-video-box {
    clip-path: inset(0% 0 0 0);
}

#core-capabilities .top-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    padding: 1vw 0;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #a0a0a0;
    margin-bottom: 2vw;
    align-items: start;
    border-bottom: 1px solid #ffffff1f;
}

#core-capabilities .nav-left {
    justify-self: start;
    line-height: 1.6;
}

#core-capabilities .nav-center {
    justify-self: center;
}

#core-capabilities .nav-right {
    justify-self: end;
}

#core-capabilities .giant-title {
    text-align: center;
    font-family: 'Zalando Sans SemiExpanded', 'Zalando Sans', -apple-system, sans-serif;
    font-size: 5rem;
    font-weight: 700;
    /* letter-spacing: 0.02em; */
    line-height: 1;
    margin: 0 0 0 0;
    white-space: nowrap;
}

#core-capabilities .sub-title {
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.6;
    letter-spacing: 0.02em;
    color: #ffffff;
    margin: 2vw 0 1vw 0;
}

#core-capabilities .media-gallery {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
    margin-bottom: 3vw;
}

#core-capabilities .media-track {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5vw;
    padding: 0;
    flex-shrink: 0;
    width: 100%;
    margin: 0 auto;
}

/* center-divider: inline in track */
#core-capabilities .center-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: clamp(96px, 10vw, 160px);
}

/* media-box & center-video-box shared */
#core-capabilities .media-box {
    width: 13vw;
    aspect-ratio: 16 / 9;
    background-color: #d9d9d9;
    position: relative;
    clip-path: inset(100% 0 0 0);
}

#core-capabilities .media-box img,
#core-capabilities .media-box video,
#core-capabilities .center-video-box img,
#core-capabilities .center-video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#core-capabilities .center-video-box {
    /* width: clamp(82px, 7vw, 124px); */
    width: 120px;
    position: relative;
    clip-path: inset(100% 0 0 0);
    mix-blend-mode: lighten;
    background: transparent;
}

#core-capabilities .center-video-box video {
    mix-blend-mode: lighten;
    background: transparent;
}

#core-capabilities .service-label {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.text1vw .reveal-inner {
    font-size: clamp(0.875rem, 1vw, 1.2rem);
    font-weight: 400;
    color: #fff;
    white-space: nowrap;
    letter-spacing: 0.05em;
    line-height: 1;
}

.text1vw {
    font-size: clamp(0.875rem, 1vw, 1.2rem);
    font-weight: 400;
    color: #fff;
    white-space: nowrap;
    letter-spacing: 0.05em;
    line-height: 1;
}


#core-capabilities .service-tags {
    display: flex;
    justify-content: center;
    gap: 1.5vw;
    font-size: 0.85rem;
    color: #a0a0a0;
    margin-bottom: 2vw;
    letter-spacing: 0.05em;
}

#core-capabilities .footer-desc {
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.8;
    color: #a0a0a0;
    max-width: 600px;
    margin: 0 auto 5vw auto;
}

@media (max-width: 900px) {
    .hero-dom {
        padding: 24px 20px;
    }

    #core-capabilities main {
        padding: 24px 20px;
    }

    #core-capabilities .top-nav {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    #core-capabilities .nav-center {
        display: none;
    }

    #core-capabilities .giant-title {
        font-size: 14vw;
        margin-top: 5vw;
    }

    #core-capabilities .media-gallery {
        gap: 3vw;
    }

    #core-capabilities .media-track {
        width: 100%;
        padding: 0;
        flex-wrap: wrap;
        justify-content: center;
        gap: 3vw;
    }

    #core-capabilities .media-box {
        width: 45%;
    }

    #core-capabilities .center-divider {
        width: 100%;
        order: -1;
        margin-bottom: 2rem;
    }

    #core-capabilities .center-video-box {
        width: 82px;
    }

    #core-capabilities .service-tags {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    #core-capabilities .footer-desc {
        padding: 0 5vw;
    }
}

@media (max-width: 767px) {

    #core-capabilities,
    .ring-gallery-sticky,
    #sketch {
        touch-action: pan-y;
    }
}

#s3-gallery {
    position: relative;
    z-index: 3;
}

/* =========================================================
       SECTION 3: PARALLAX GALLERY
       ========================================================= */

.s3-gallery-section {
    position: relative;
    background: #000;
    isolation: isolate;
}

.s3-gallery-section::before,
.s3-gallery-section::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: clamp(96px, 18vh, 220px);
    pointer-events: none;
    z-index: 4;
}

.s3-gallery-section::before {
    top: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.72) 38%, rgba(0, 0, 0, 0) 100%);
}

.s3-gallery-section::after {
    bottom: 0;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.78) 36%, rgba(0, 0, 0, 0) 100%);
}

.gallery-header-video {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.gallery-header-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .gallery-header-video {
        display: none;
    }

    #core-capabilities .media-gallery {
        margin-top: 3vw;
    }

    #core-capabilities .center-divider {
        margin-bottom: 1rem;
    }


}

.gallery-header {
    position: sticky;
    top: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
    padding: 0 4vw;
    background: #000;
}

.gallery-header-label {
    position: relative;
    z-index: 2;
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(10px, 1vw, 13px);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 3vh;
}

.gallery-header-title {
    position: relative;
    z-index: 2;
    font-family: 'Zalando Sans SemiExpanded', sans-serif;
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.5rem;
    line-height: 1.05;
    text-transform: uppercase;
}

.gh-side-rails {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.gh-side-rail {
    position: absolute;
    top: 50%;
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.4vw, 40px);
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.94);
    will-change: transform, opacity;
}

.gh-side-rail-left {
    left: 4vw;
}

.gh-side-rail-right {
    right: 4vw;
    flex-direction: row-reverse;
}

.gh-side-letter {
    font-family: 'Zalando Sans SemiExpanded', sans-serif;
    font-size: clamp(2.8rem, 4.6vw, 4.8rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.03em;
}

.gh-side-line {
    width: clamp(120px, 12vw, 210px);
    height: 1px;
    background: rgba(255, 255, 255, 0.42);
    will-change: transform, opacity;
}

.gh-side-rail-left .gh-side-line {
    transform-origin: right center;
}

.gh-side-rail-right .gh-side-line {
    transform-origin: left center;
}

@media (max-width: 900px) {
    .gh-side-rails {
        display: none;
    }
}

.gallery-header-title.exit-zoom-blur {
    will-change: transform, opacity;
    transition: transform 0.6s, filter 0.6s, opacity 0.6s;
    transform: scale(0.7);
    filter: blur(12px);
    opacity: 0;
    pointer-events: none;
}

.gh-line {
    display: block;
}

.gallery-header-sub {
    position: relative;
    z-index: 2;
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(10px, 1vw, 14px);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    margin: 0;
}

.pg-gallery {
    position: relative;
    z-index: 2;
    width: 100%;
    margin: 0 auto;
    padding: 0 4vw 22vh;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: 2vw;
    row-gap: 12vw;
}

.pg-item {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pg-hover-copy {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(18px, 2.2vw, 34px);
    pointer-events: none;
    color: #fff;
    mix-blend-mode: difference;
}

.pg-hover-copy__veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.0) 42%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 0;
    transform: scaleY(1.06);
    transform-origin: center bottom;
    transition:
        opacity 0.82s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.82s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-hover-copy__eyebrow,
.pg-hover-copy__title,
.pg-hover-copy__sub {
    display: block;
    position: relative;
    z-index: 1;
    opacity: 0;
    filter: blur(8px);
    will-change: transform, opacity;
}

.pg-hover-copy__eyebrow,
.pg-hover-copy__sub {
    font-family: var(--font-family-body);
    font-size: clamp(0.65rem, 0.62rem + 0.14vw, 0.82rem);
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.pg-hover-copy__eyebrow {
    align-self: flex-start;
    clip-path: inset(0 0 100% 0);
    transform: translate3d(0, 20px, 0);
    transition:
        opacity 0.62s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.62s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.62s cubic-bezier(0.16, 1, 0.3, 1),
        clip-path 0.62s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-hover-copy__body {
    display: grid;
    gap: 0.55rem;
    align-self: flex-start;
    max-width: min(88%, 28rem);
}

.pg-hover-copy__title-wrap {
    overflow: hidden;
    padding-bottom: 0.08em;
}

.pg-hover-copy__title {
    font-family: var(--font-family-display);
    font-size: clamp(2.1rem, 4.8vw, 4.8rem);
    font-weight: 600;
    line-height: 0.9;
    letter-spacing: -0.045em;
    text-transform: uppercase;
    clip-path: inset(100% 0 0 0);
    transform: translate3d(0, 42px, 0) skewY(7deg);
    transition:
        opacity 0.92s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.92s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.92s cubic-bezier(0.16, 1, 0.3, 1),
        clip-path 0.92s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-hover-copy__sub {
    max-width: 24rem;
    line-height: 1.55;
    letter-spacing: 0.1em;
    text-transform: none;
    clip-path: inset(0 0 100% 0);
    transform: translate3d(0, 24px, 0);
    transition:
        opacity 0.78s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.78s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.78s cubic-bezier(0.16, 1, 0.3, 1),
        clip-path 0.78s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ★ 預設為可見（fallback）：若 GSAP / JS 在 LINE 等內建瀏覽器載入失敗或延遲，
       圖片仍會正常顯示，只是沒有進場動畫，而不是整塊空白。 */
.pg-img-wrap {
    position: relative;
    width: 100%;
    flex: 1;
    overflow: hidden;
    background-color: #0d0d0d;
    border-radius: 2px;
}

/* ★ 只有確認 GSAP 就緒（已加上 pg-anim-ready）後才裁切，準備進場遮罩動畫。 */
html.pg-anim-ready .pg-img-wrap {
    clip-path: inset(100% 0% 0% 0%);
}

/* ★ 高度加大到 140%，負值 -20%，為平移預留足夠空間，絕對不露黑底 */
.pg-img-wrap img {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    object-fit: cover;
    will-change: transform;
}

.pg-item-1 {
    grid-column: 1 / 6;
    grid-row: 1;
    height: 27.9vw;
}

.pg-item-2 {
    grid-column: 7 / 13;
    grid-row: 2;
    height: 33.75vw;
}

.pg-item-3 {
    grid-column: 4 / 10;
    grid-row: 3;
    height: 33.75vw;
}

.pg-item-4 {
    grid-column: 1 / 6;
    grid-row: 4;
    height: 27.9vw;
}

.pg-item-5 {
    grid-column: 7 / 13;
    grid-row: 5;
    height: 33.75vw;
}

.pg-item-6 {
    grid-column: 4 / 10;
    grid-row: 6;
    height: 33.75vw;
}

/* ── Scroll-driven Card Gallery ── */
.gallery-cards-wrap {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    z-index: 2;
    pointer-events: none;
    margin-top: -100vh;
    /* overlap with gallery-header sticky layer */
}

.gc-card {
    position: absolute;
    left: var(--gc-l);
    top: var(--gc-t);
    width: var(--gc-w);
    height: var(--gc-h);
    border-radius: 10px;
    overflow: hidden;
    opacity: 0;
    will-change: transform, opacity;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
}

.gc-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 768px) {
    .gallery-header {
        position: relative;
        top: auto;
        height: auto;
        z-index: 4;
    }

    .pg-gallery {
        display: flex;
        flex-direction: column;
        gap: 15vw;
        padding: 10vw;
    }

    .pg-item {
        height: 70vw !important;
        margin-top: 0 !important;
    }

    .pg-hover-copy {
        padding: 18px;
    }

    .pg-hover-copy__body {
        max-width: 100%;
    }

    .pg-hover-copy__title {
        font-size: clamp(1.9rem, 9vw, 3.2rem);
    }
}

@media (hover: none) {
    .pg-item--hover-story .pg-hover-copy__veil {
        opacity: 1;
        transform: scaleY(1);
    }

    .pg-item--hover-story .pg-hover-copy__eyebrow,
    .pg-item--hover-story .pg-hover-copy__title,
    .pg-item--hover-story .pg-hover-copy__sub {
        opacity: 1;
        filter: blur(0px);
        clip-path: inset(0 0 0 0);
        transform: translate3d(0, 0, 0) skewY(0deg);
    }
}

.intro-panel .at-en,
.intro-panel .at-zh {
    display: block;
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.intro-panel .flip-wrap {
    display: block;
    position: relative;
    clip-path: inset(-0.25em -9999px);
}

.intro-panel .at-zh {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(130%);
    white-space: nowrap;
    color: inherit;
}

.intro-panel .animated-text:hover .at-en,
.intro-panel .animated-text.focused .at-en {
    transform: translateY(-130%);
}

.intro-panel .animated-text:hover .at-zh,
.intro-panel .animated-text.focused .at-zh {
    transform: translateY(0);
}

@media (max-width: 768px) {
    .intro-panel .animated-text {
        pointer-events: none;
    }

    .intro-panel .animated-text .at-en,
    .intro-panel .animated-text:hover .at-en,
    .intro-panel .animated-text.focused .at-en {
        display: block !important;
        transform: none !important;
    }

    .intro-panel .animated-text .at-zh,
    .intro-panel .animated-text:hover .at-zh,
    .intro-panel .animated-text.focused .at-zh {
        display: none !important;
        transform: translateY(130%) !important;
    }
}

/* 🎯 尊重使用者偏好:降低動態 → 關閉血量高的濾鏡 */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .glow-bottom-left,
    .glow-center-left {
        filter: none;
    }
}