:root {
    --wantec-blue-950: #05234a;
    --wantec-blue-900: #06336c;
    --wantec-blue-800: #064b9b;
    --wantec-blue-700: #0767cf;
    --wantec-blue-500: #1b8fe6;
    --wantec-ice-100: #eaf4fb;
    --wantec-ice-50: #f6faff;
    --wantec-silver-200: #d9e5ef;
    --wantec-silver-100: #edf3f8;
    --wantec-yellow: #ffd21c;
    --wantec-ink: #0a315d;
    --wantec-white: #ffffff;
    --upgrade-shell: min(1240px, calc(100% - 48px));
    --upgrade-serif: "Noto Serif TC", "Source Han Serif TC", "Songti TC", Georgia, serif;
    --upgrade-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
}

.upgrade-page {
    color: var(--wantec-ink);
    background: var(--wantec-ice-50) !important;
    font-family: var(--upgrade-sans);
}

.upgrade-page * {
    box-sizing: border-box;
}

.upgrade-skip-link {
    position: fixed;
    z-index: 2000;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    color: var(--wantec-blue-950);
    background: var(--wantec-yellow);
    transform: translateY(-160%);
}

.upgrade-skip-link:focus {
    transform: translateY(0);
}

.upgrade-page .upgrade-nav {
    position: sticky;
    z-index: 1000;
    top: 0;
    min-height: 82px;
    margin-bottom: 0;
    padding: 0;
    border: 0;
    border-bottom: 1px solid rgba(255, 210, 28, 0.72);
    overflow: visible;
    background: #05234a url("/releases/zh-20260907-005000/images/site-upgrade/header-semiconductor-texture-v1.jpg") center / cover no-repeat !important;
    box-shadow: 0 12px 30px rgba(1, 19, 44, 0.16);
}

.upgrade-page .upgrade-nav::before {
    display: none;
}

.upgrade-page .upgrade-nav::after {
    display: none;
}

.upgrade-page .upgrade-nav .nav-container {
    width: var(--upgrade-shell);
    min-height: 82px;
    margin: 0 auto;
    padding: 0 18px 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transition: box-shadow 180ms ease;
}

.upgrade-page .upgrade-nav.is-scrolled .nav-container {
    background: transparent;
    box-shadow: none;
    transform: none;
}

.upgrade-page .upgrade-brand {
    gap: 12px;
    align-self: stretch;
    min-width: 252px;
    padding: 0 24px 0 0;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
    border-bottom: 0;
    color: var(--wantec-white);
    background: transparent;
    text-decoration: none;
}

.upgrade-page .upgrade-brand .logo-img {
    width: 50px;
    height: 40px;
    object-fit: contain;
}

.upgrade-page .upgrade-brand-copy {
    display: grid;
    gap: 4px;
    line-height: 1;
}

.upgrade-page .upgrade-brand-copy strong {
    color: var(--wantec-white);
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: 0.09em;
}

.upgrade-page .upgrade-brand-copy span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.66rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.upgrade-page .upgrade-nav .nav-links {
    gap: 24px;
}

.upgrade-page .upgrade-nav .nav-links li a {
    position: relative;
    width: auto;
    min-width: 0;
    height: auto;
    padding: 22px 0 20px;
    border: 0 !important;
    border-radius: 0;
    color: rgba(255, 255, 255, 0.88) !important;
    background: transparent !important;
    box-shadow: none !important;
    font-size: 0.89rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-shadow: 0 2px 12px rgba(1, 18, 40, 0.42);
}

.upgrade-page .upgrade-nav .nav-links li a::before {
    display: none;
}

.upgrade-page .upgrade-nav .nav-links li a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 11px;
    left: 0;
    height: 3px;
    background: var(--wantec-yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.upgrade-page .upgrade-nav .nav-links li a:hover,
.upgrade-page .upgrade-nav .nav-links li a:focus-visible,
.upgrade-page .upgrade-nav .nav-links li a.active {
    color: var(--wantec-white) !important;
    background: transparent !important;
    box-shadow: none !important;
    transform: none;
}

.upgrade-page .upgrade-nav .nav-links li a:hover::after,
.upgrade-page .upgrade-nav .nav-links li a:focus-visible::after,
.upgrade-page .upgrade-nav .nav-links li a.active::after {
    transform: scaleX(1);
}

.upgrade-page .upgrade-language-link {
    min-width: 42px;
    text-align: center;
}

.upgrade-hero {
    position: relative;
    isolation: isolate;
    min-height: 650px;
    overflow: hidden;
    color: var(--wantec-white);
    background: var(--wantec-blue-950);
}

.upgrade-hero-media,
.upgrade-hero-video,
.upgrade-hero-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.upgrade-hero-media {
    z-index: -3;
}

.upgrade-hero-video {
    display: block;
    object-fit: cover;
    object-position: 58% 50%;
    filter: saturate(1.08) brightness(1.03);
}

.upgrade-hero-shade {
    z-index: -2;
    background: rgba(14, 91, 166, 0.18);
    mix-blend-mode: screen;
}

.upgrade-hero-inner {
    display: flex;
    align-items: center;
    width: var(--upgrade-shell);
    min-height: 650px;
    margin: 0 auto;
    padding: 62px 0 70px;
}

.upgrade-hero-copy {
    width: min(700px, 60%);
    padding: 40px 42px 42px;
    border-left: 4px solid var(--wantec-yellow);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(3, 42, 91, 0.36);
    box-shadow: 0 26px 58px rgba(1, 19, 44, 0.16);
    -webkit-backdrop-filter: blur(11px) saturate(1.08);
    backdrop-filter: blur(11px) saturate(1.08);
}

.upgrade-eyebrow {
    display: block;
    margin-bottom: 18px;
    color: var(--wantec-yellow);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.upgrade-hero h1 {
    max-width: 12.5em;
    margin: 0;
    color: var(--wantec-white);
    font-family: var(--upgrade-serif);
    font-size: clamp(2.75rem, 3.65vw, 3.25rem);
    font-weight: 700;
    letter-spacing: 0.015em;
    line-height: 1.22;
    text-wrap: balance;
    text-shadow: 0 3px 20px rgba(1, 18, 40, 0.42);
}

html[lang^="en"] .upgrade-hero h1 {
    max-width: 11em;
    font-size: clamp(2.5rem, 3.65vw, 3.25rem);
    line-height: 1.08;
}

.upgrade-hero-lead {
    max-width: 42em;
    margin: 23px 0 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.04rem;
    line-height: 1.85;
    text-shadow: 0 2px 14px rgba(1, 18, 40, 0.36);
}

.upgrade-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.upgrade-hero-button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 0 23px;
    border: 1px solid var(--wantec-blue-500);
    color: var(--wantec-white);
    background: var(--wantec-blue-700);
    box-shadow: 0 12px 28px rgba(1, 25, 62, 0.22);
    font-size: 0.94rem;
    font-weight: 750;
    letter-spacing: 0.025em;
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.upgrade-hero-button:hover,
.upgrade-hero-button:focus-visible {
    border-color: var(--wantec-yellow);
    background: var(--wantec-blue-500);
    transform: translateY(-2px);
}

.upgrade-hero-button-secondary {
    border-color: var(--wantec-yellow);
    color: var(--wantec-yellow);
    background: rgba(2, 36, 78, 0.48);
}

.upgrade-hero-button-secondary:hover,
.upgrade-hero-button-secondary:focus-visible {
    color: var(--wantec-blue-950);
    background: var(--wantec-yellow);
}

.upgrade-motion-control {
    position: absolute;
    z-index: 2;
    right: max(24px, calc((100vw - 1240px) / 2));
    bottom: 22px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.54);
    color: var(--wantec-white);
    background: rgba(3, 35, 76, 0.72);
    font: 700 0.77rem/1 var(--upgrade-sans);
    letter-spacing: 0.05em;
    cursor: pointer;
}

.upgrade-motion-control:hover,
.upgrade-motion-control:focus-visible {
    border-color: var(--wantec-yellow);
    color: var(--wantec-yellow);
}

.upgrade-value-band {
    position: relative;
    z-index: 3;
    border-bottom: 1px solid var(--wantec-silver-200);
    background: var(--wantec-white);
    box-shadow: 0 18px 42px rgba(28, 68, 107, 0.08);
}

.upgrade-value-grid {
    display: grid;
    width: var(--upgrade-shell);
    margin: 0 auto;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.upgrade-value-item {
    display: grid;
    min-height: 116px;
    align-content: center;
    padding: 24px 34px;
    border-right: 1px solid var(--wantec-silver-200);
}

.upgrade-value-item:first-child {
    border-left: 1px solid var(--wantec-silver-200);
}

.upgrade-value-item span {
    margin-bottom: 6px;
    color: var(--wantec-blue-700);
    font-size: 0.73rem;
    font-weight: 850;
    letter-spacing: 0.14em;
}

.upgrade-value-item strong {
    color: var(--wantec-blue-900);
    font-family: var(--upgrade-serif);
    font-size: clamp(1.15rem, 1.6vw, 1.45rem);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.upgrade-page main:focus {
    outline: none;
}

@media (max-width: 1120px) {
    .upgrade-page .upgrade-nav .nav-links {
        gap: 17px;
    }

    .upgrade-page .upgrade-nav .nav-links a {
        font-size: 0.82rem;
    }

    .upgrade-hero-copy {
        width: min(640px, 64%);
    }
}

@media (max-width: 768px) {
    :root {
        --upgrade-shell: min(100% - 32px, 680px);
    }

    .upgrade-page .upgrade-nav {
        min-height: 72px;
        margin-bottom: 0;
        padding: 0;
    }

    .upgrade-page .upgrade-nav .nav-container {
        width: 100%;
        min-height: 72px;
        padding: 0 12px 0 0;
    }

    .upgrade-page .upgrade-brand {
        flex: 1 1 auto;
        min-width: 0;
        padding: 0 14px;
        border-right-color: rgba(255, 255, 255, 0.14);
    }

    .upgrade-page .upgrade-brand .logo-img {
        width: 42px;
        height: 34px;
    }

    .upgrade-page .upgrade-brand-copy strong {
        font-size: 0.86rem;
    }

    .upgrade-page .upgrade-brand-copy span {
        font-size: 0.58rem;
    }

    .upgrade-page .upgrade-nav .nav-toggle {
        border: 1px solid rgba(255, 255, 255, 0.52);
        color: var(--wantec-white);
        background: rgba(2, 35, 76, 0.72);
    }

    .upgrade-page .upgrade-nav .nav-toggle-bar {
        background: var(--wantec-white);
    }

    .upgrade-page .upgrade-nav .nav-links {
        position: fixed;
        z-index: 3000;
        top: 72px;
        right: 0;
        left: 0;
        width: auto;
        gap: 0;
        padding: 12px 16px 18px;
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-top: 0;
        border-radius: 0;
        background: var(--wantec-blue-900);
        box-shadow: 0 20px 30px rgba(3, 35, 74, 0.24);
    }

    .upgrade-page .upgrade-nav .nav-links li a {
        display: block;
        padding: 13px 10px;
        font-size: 0.94rem;
    }

    .upgrade-page .upgrade-nav .nav-links li a::after {
        right: auto;
        bottom: 7px;
        width: 34px;
    }

    .upgrade-hero,
    .upgrade-hero-inner {
        min-height: 640px;
    }

    .upgrade-hero-video {
        object-position: 61% 50%;
    }

    .upgrade-hero-shade {
        background: rgba(4, 42, 87, 0.48);
    }

    .upgrade-hero-inner {
        align-items: flex-end;
        padding: 52px 0 58px;
    }

    .upgrade-hero-copy {
        width: 100%;
        padding: 28px 24px 30px;
        border-left-width: 3px;
        background: rgba(3, 42, 91, 0.58);
        -webkit-backdrop-filter: blur(9px) saturate(1.05);
        backdrop-filter: blur(9px) saturate(1.05);
    }

    .upgrade-eyebrow {
        margin-bottom: 12px;
        font-size: 0.68rem;
        letter-spacing: 0.12em;
    }

    .upgrade-hero h1,
    html[lang^="en"] .upgrade-hero h1 {
        max-width: 13em;
        font-size: clamp(2.125rem, 9.5vw, 2.5rem);
        line-height: 1.17;
    }

    .upgrade-hero-lead {
        margin-top: 16px;
        font-size: 0.93rem;
        line-height: 1.7;
    }

    .upgrade-hero-actions {
        display: grid;
        margin-top: 22px;
        grid-template-columns: 1fr 1fr;
    }

    .upgrade-hero-button {
        min-height: 46px;
        padding: 0 12px;
        font-size: 0.86rem;
    }

    .upgrade-motion-control {
        top: 18px;
        right: 16px;
        bottom: auto;
        min-height: 34px;
        padding: 0 11px;
        font-size: 0.7rem;
    }

    .upgrade-value-grid {
        width: 100%;
        grid-template-columns: 1fr;
    }

    .upgrade-value-item,
    .upgrade-value-item:first-child {
        min-height: 88px;
        padding: 18px 24px;
        border: 0;
        border-bottom: 1px solid var(--wantec-silver-200);
    }

    .upgrade-value-item strong {
        font-size: 1.18rem;
    }
}

@media (max-width: 430px) {
    .upgrade-hero-actions {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .upgrade-page *,
    .upgrade-page *::before,
    .upgrade-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* Phase 3 — complete homepage */
.upgrade-section {
    padding: 76px 0;
}

.upgrade-section-inner,
.upgrade-film-inner,
.upgrade-footer-inner {
    width: var(--upgrade-shell);
    margin: 0 auto;
}

.upgrade-section-heading {
    max-width: 760px;
    margin-bottom: 42px;
}

.upgrade-section-heading-split {
    display: grid;
    max-width: none;
    align-items: end;
    gap: 40px;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
}

.upgrade-section-heading-split > p {
    margin-bottom: 4px;
}

.upgrade-kicker {
    display: block;
    margin-bottom: 13px;
    color: var(--wantec-blue-700);
    font-size: 0.74rem;
    font-weight: 850;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.upgrade-kicker-light {
    color: var(--wantec-yellow);
}

.upgrade-section-heading h2,
.upgrade-owned-intro h2,
.upgrade-film-copy h2,
.upgrade-consultation h2 {
    margin: 0;
    color: var(--wantec-blue-950);
    font-family: var(--upgrade-serif);
    font-size: clamp(1.875rem, 2.5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.015em;
    line-height: 1.22;
    text-wrap: balance;
}

.upgrade-section-heading p,
.upgrade-owned-intro p,
.upgrade-film-copy p,
.upgrade-consultation p {
    margin: 18px 0 0;
    color: #55718d;
    font-size: 1rem;
    line-height: 1.85;
}

.upgrade-discovery {
    background: var(--wantec-white);
}

.upgrade-finder {
    display: grid;
    min-height: 78px;
    align-items: center;
    margin-bottom: 44px;
    padding: 13px;
    border: 1px solid #ccddea;
    border-left: 4px solid var(--wantec-yellow);
    background: #f4f8fc;
    box-shadow: 0 20px 48px rgba(17, 66, 111, 0.1);
    grid-template-columns: auto minmax(0, 1fr) auto;
}

.upgrade-finder label {
    padding: 0 24px 0 16px;
    color: var(--wantec-blue-900);
    font-size: 0.84rem;
    font-weight: 850;
    letter-spacing: 0.06em;
}

.upgrade-finder select {
    width: 100%;
    min-height: 50px;
    padding: 0 42px 0 16px;
    border: 1px solid #bfd2e2;
    border-radius: 0;
    color: var(--wantec-blue-950);
    background: var(--wantec-white);
    font: 650 0.95rem/1.3 var(--upgrade-sans);
}

.upgrade-finder button,
.upgrade-consultation a {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--wantec-blue-700);
    color: var(--wantec-white);
    background: var(--wantec-blue-700);
    font: 800 0.9rem/1 var(--upgrade-sans);
    letter-spacing: 0.04em;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.upgrade-finder button {
    margin-left: 10px;
    padding: 0 24px;
}

.upgrade-finder button:hover,
.upgrade-finder button:focus-visible,
.upgrade-consultation a:hover,
.upgrade-consultation a:focus-visible {
    border-color: var(--wantec-yellow);
    color: var(--wantec-blue-950);
    background: var(--wantec-yellow);
    transform: translateY(-2px);
}

.upgrade-finder-status {
    grid-column: 2 / -1;
    min-height: 0;
    margin: 0;
    color: #a34223;
    font-size: 0.8rem;
    line-height: 1.4;
}

.upgrade-finder-status:not(:empty) {
    min-height: 22px;
    padding-top: 8px;
}

.upgrade-solution-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.upgrade-solution-tile {
    position: relative;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
    height: 350px;
    min-height: 0;
    overflow: hidden;
    color: var(--wantec-white);
    background: var(--wantec-blue-950);
    box-shadow: 0 18px 42px rgba(14, 57, 101, 0.13);
    grid-column: span 5;
    text-decoration: none;
}

.upgrade-solution-tile:nth-child(1),
.upgrade-solution-tile:nth-child(4) {
    grid-column: span 7;
}

.upgrade-solution-tile:nth-child(5),
.upgrade-solution-tile:nth-child(6) {
    grid-column: span 6;
}

.upgrade-solution-tile img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: cover;
    transition: transform 260ms ease, filter 260ms ease;
}

.upgrade-solution-tile:nth-child(1) img,
.upgrade-solution-tile:nth-child(4) img,
.upgrade-solution-tile:nth-child(5) img,
.upgrade-solution-tile:nth-child(6) img {
    object-fit: contain;
    background: #f0f4f7;
}

.upgrade-solution-tile:nth-child(3) img {
    object-fit: cover;
    object-position: center 72%;
}

.upgrade-solution-copy {
    position: static;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    min-height: 116px;
    align-content: end;
    padding: 22px 24px;
    background: rgba(3, 39, 82, 0.92);
}

.upgrade-solution-copy small,
.upgrade-owned-card small {
    margin-bottom: 7px;
    color: var(--wantec-yellow);
    font-size: 0.68rem;
    font-style: normal;
    font-weight: 850;
    letter-spacing: 0.14em;
}

.upgrade-solution-copy strong,
.upgrade-owned-card strong {
    font-family: var(--upgrade-serif);
    font-size: clamp(1.2rem, 1.8vw, 1.65rem);
    line-height: 1.28;
}

.upgrade-solution-copy em,
.upgrade-owned-card em {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.8rem;
    font-style: normal;
    font-weight: 650;
}

.upgrade-solution-tile:hover img,
.upgrade-solution-tile:focus-visible img {
    filter: saturate(1.08) contrast(1.03);
    transform: scale(1.025);
}

.upgrade-solution-tile:focus-visible,
.upgrade-product-card a:focus-visible,
.upgrade-brand-lineup a:focus-visible,
.upgrade-owned-card:focus-visible,
.upgrade-inline-link:focus-visible,
.upgrade-film-copy a:focus-visible,
.upgrade-footer a:focus-visible {
    outline: 3px solid var(--wantec-yellow);
    outline-offset: 4px;
}

.upgrade-featured {
    border-top: 1px solid var(--wantec-silver-200);
    border-bottom: 1px solid var(--wantec-silver-200);
    background: #eef4f8;
}

.upgrade-product-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.upgrade-product-card {
    min-width: 0;
    overflow: hidden;
    border-top: 3px solid var(--wantec-blue-700);
    background: var(--wantec-white);
    box-shadow: 0 18px 42px rgba(19, 60, 99, 0.1);
}

.upgrade-product-media {
    display: block;
    height: 220px;
    overflow: hidden;
    background: #f8fafc;
}

.upgrade-product-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 220ms ease;
}

.upgrade-product-card:nth-child(3) .upgrade-product-media img {
    object-position: center 56%;
    transform: scale(1.18);
}

.upgrade-product-card:hover .upgrade-product-media img {
    transform: scale(1.035);
}

.upgrade-product-card:nth-child(3):hover .upgrade-product-media img {
    transform: scale(1.21);
}

.upgrade-product-copy {
    display: grid;
    min-height: 190px;
    align-content: start;
    padding: 25px 26px 28px;
}

.upgrade-product-copy > span {
    margin-bottom: 10px;
    color: var(--wantec-blue-700);
    font-size: 0.7rem;
    font-weight: 850;
    letter-spacing: 0.14em;
}

.upgrade-product-copy h3 {
    margin: 0;
    color: var(--wantec-blue-950);
    font-family: var(--upgrade-serif);
    font-size: 1.35rem;
    line-height: 1.42;
}

.upgrade-product-copy p {
    margin: 11px 0 22px;
    color: #607890;
    font-size: 0.9rem;
}

.upgrade-product-copy a,
.upgrade-inline-link,
.upgrade-film-copy a {
    width: max-content;
    max-width: 100%;
    margin-top: auto;
    color: var(--wantec-blue-700);
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: none;
    border-bottom: 2px solid var(--wantec-yellow);
}

.upgrade-inline-link {
    display: block;
    margin-top: 28px;
}

.upgrade-brand-stage {
    position: relative;
    isolation: isolate;
    min-height: 620px;
    padding: 100px 0 122px;
    overflow: hidden;
    background: #dce8f3 url("/releases/zh-20260907-005000/images/site-upgrade/brand-stage-background-v1.png") center / cover no-repeat;
}

.upgrade-brand-stage .upgrade-section-heading {
    margin-bottom: 52px;
}

.upgrade-brand-lineup {
    display: grid;
    align-items: center;
    gap: 22px 36px;
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.upgrade-brand-lineup a {
    display: flex;
    min-width: 0;
    min-height: 90px;
    align-items: center;
    justify-content: center;
    padding: 10px 4px;
    border-bottom: 1px solid transparent;
    background: transparent;
    transition: border-color 180ms ease, transform 180ms ease;
}

.upgrade-brand-lineup a:hover {
    border-bottom-color: rgba(6, 75, 155, 0.45);
    transform: translateY(-4px);
}

.upgrade-brand-lineup img {
    display: block;
    width: auto;
    max-width: 150px;
    height: auto;
    max-height: 52px;
    object-fit: contain;
}

.upgrade-owned {
    border-top: 1px solid #c5d7e5;
    border-bottom: 1px solid #c5d7e5;
    background: #e8f1f8;
}

.upgrade-owned .upgrade-section-inner {
    display: grid;
    align-items: center;
    gap: 54px;
    grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.55fr);
}

.upgrade-owned-intro .upgrade-inline-link {
    display: inline-block;
}

.upgrade-owned-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.upgrade-owned-card {
    position: relative;
    display: block;
    min-height: 430px;
    overflow: hidden;
    color: var(--wantec-white);
    background: var(--wantec-white);
    box-shadow: 0 18px 44px rgba(22, 65, 106, 0.13);
    text-decoration: none;
}

.upgrade-owned-card img {
    display: block;
    width: 100%;
    height: 300px;
    object-fit: contain;
    transition: transform 240ms ease;
}

.upgrade-owned-card > span {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    min-height: 140px;
    align-content: center;
    padding: 22px 24px;
    background: rgba(5, 51, 108, 0.96);
}

.upgrade-owned-card:hover img {
    transform: scale(1.035);
}

.upgrade-journey {
    background: var(--wantec-white);
}

.upgrade-journey-list {
    display: grid;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.upgrade-journey-list li {
    min-height: 236px;
    padding: 26px 25px 24px;
    border-top: 4px solid var(--wantec-yellow);
    border-right: 1px solid var(--wantec-silver-200);
    background: #f7fafc;
}

.upgrade-journey-list li:last-child {
    border-right: 0;
}

.upgrade-journey-list span {
    display: block;
    margin-bottom: 32px;
    color: var(--wantec-blue-700);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.13em;
}

.upgrade-journey-list h3 {
    margin: 0;
    color: var(--wantec-blue-950);
    font-family: var(--upgrade-serif);
    font-size: 1.38rem;
}

.upgrade-journey-list p {
    margin: 12px 0 0;
    color: #60788f;
    font-size: 0.9rem;
    line-height: 1.7;
}

.upgrade-film {
    padding: 0;
    color: var(--wantec-white);
    background: #06336c url("/releases/zh-20260907-005000/images/site-upgrade/header-semiconductor-texture-v1.jpg") left center / cover no-repeat;
}

.upgrade-film-inner {
    display: grid;
    width: 100%;
    grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.55fr);
}

.upgrade-film-copy {
    display: grid;
    min-height: 510px;
    align-content: center;
    padding: 64px max(48px, calc((100vw - 1240px) / 2)) 64px max(48px, calc((100vw - 1240px) / 2));
}

.upgrade-film-copy h2 {
    max-width: 10em;
    color: var(--wantec-white);
    font-size: clamp(1.875rem, 2.5vw, 2.25rem);
}

.upgrade-film-copy p {
    max-width: 34em;
    color: rgba(255, 255, 255, 0.8);
}

.upgrade-film-copy a {
    margin-top: 28px;
    color: var(--wantec-white);
}

.upgrade-home-page .upgrade-film-facade,
.upgrade-home-page .upgrade-film .video-embed-shell {
    position: relative;
    width: 100%;
    min-height: 510px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background: #0a315d;
    cursor: pointer;
}

.upgrade-home-page .upgrade-film-facade .upgrade-film-poster {
    display: block;
    width: 100%;
    height: 510px;
    object-fit: cover;
    object-position: 62% 50%;
    filter: saturate(0.92) brightness(0.86);
    transition: filter 220ms ease, transform 220ms ease;
}

.upgrade-film-action {
    position: absolute;
    right: 26px;
    bottom: 26px;
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    padding: 0 20px;
    border: 1px solid var(--wantec-yellow);
    color: var(--wantec-blue-950);
    background: var(--wantec-yellow);
    font-size: 0.84rem;
    font-weight: 850;
    letter-spacing: 0.04em;
}

.upgrade-home-page .upgrade-film-facade:hover .upgrade-film-poster,
.upgrade-home-page .upgrade-film-facade:focus-visible .upgrade-film-poster {
    filter: saturate(1.02) brightness(0.96);
    transform: scale(1.015);
}

.upgrade-film-facade:focus-visible {
    outline: 3px solid var(--wantec-yellow);
    outline-offset: -8px;
}

.upgrade-updates {
    background: #f4f8fb;
}

.upgrade-updates-grid {
    display: grid;
    align-items: start;
    gap: 22px;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.upgrade-update-panel {
    min-width: 0;
}

.upgrade-subheading {
    margin-bottom: 18px;
}

.upgrade-subheading span {
    display: block;
    margin-bottom: 6px;
    color: var(--wantec-blue-700);
    font-size: 0.68rem;
    font-weight: 850;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.upgrade-subheading h3 {
    margin: 0;
    color: var(--wantec-blue-950);
    font-family: var(--upgrade-serif);
    font-size: 1.55rem;
}

.upgrade-home-page .news-feature-card {
    display: grid;
    overflow: hidden;
    border: 1px solid #d4e1eb;
    border-radius: 0;
    background: var(--wantec-white);
    box-shadow: 0 16px 38px rgba(17, 57, 96, 0.09);
    grid-template-columns: 1fr;
}

.upgrade-home-page .news-media {
    min-height: 240px;
    padding: 0;
    background: #dce9f3;
}

.upgrade-home-page .news-media img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.upgrade-home-page .news-content {
    padding: 26px;
}

.upgrade-home-page .news-content h3 {
    color: var(--wantec-blue-950);
    font-family: var(--upgrade-serif);
    font-size: 1.48rem;
    line-height: 1.38;
}

.upgrade-home-page .news-label {
    background: var(--wantec-blue-700);
}

.upgrade-home-page .news-date-chip {
    color: var(--wantec-blue-900);
    background: #e7f0f7;
}

.upgrade-home-page .home-v3-button {
    border-radius: 0;
    color: var(--wantec-white);
    background: var(--wantec-blue-700);
    box-shadow: none;
}

.upgrade-home-page .home-v3-text-link {
    color: var(--wantec-blue-700);
}

.upgrade-home-page .expo-summary-card {
    padding: 26px;
    border: 1px solid #d4e1eb;
    border-radius: 0;
    background: var(--wantec-white);
    box-shadow: 0 16px 38px rgba(17, 57, 96, 0.09);
}

.upgrade-home-page .expo-summary-copy {
    margin-bottom: 18px;
}

.upgrade-home-page .expo-summary-copy .section-eyebrow {
    color: var(--wantec-blue-700);
}

.upgrade-home-page .expo-summary-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.upgrade-home-page .expo-summary-image,
.upgrade-home-page .expo-summary-image:first-child {
    height: 180px;
    min-height: 0;
    grid-column: auto;
    grid-row: auto;
}

.upgrade-home-page .expo-summary-image:first-child {
    grid-column: 1 / -1;
    height: 220px;
}

.upgrade-home-page .expo-toggle {
    border-radius: 0;
    color: var(--wantec-blue-900);
    background: transparent;
}

.upgrade-consultation {
    padding: 88px 0;
    border-top: 1px solid #c7d9e7;
    background: #e4eef7 url("/releases/zh-20260907-005000/images/site-upgrade/consultation-background-v1.png") center / cover no-repeat;
}

.upgrade-consultation-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 44px;
}

.upgrade-consultation h2 {
    max-width: 18em;
}

.upgrade-consultation p {
    max-width: 42em;
}

.upgrade-consultation a {
    flex: 0 0 auto;
    min-width: 180px;
    padding: 0 24px;
}

.upgrade-home-page .upgrade-footer {
    padding: 44px 0 32px;
    color: rgba(255, 255, 255, 0.76);
    background: #05234a url("/releases/zh-20260907-005000/images/site-upgrade/header-semiconductor-texture-v1.jpg") center / cover no-repeat;
}

.upgrade-footer-inner {
    display: grid;
    align-items: center;
    gap: 26px 40px;
    grid-template-columns: auto 1fr;
}

.upgrade-footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--wantec-white);
    text-decoration: none;
}

.upgrade-footer-brand img {
    width: 48px;
    height: 38px;
    object-fit: contain;
}

.upgrade-footer-brand span {
    display: grid;
    gap: 3px;
}

.upgrade-footer-brand strong {
    font-size: 0.98rem;
    letter-spacing: 0.08em;
}

.upgrade-footer-brand small {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.62rem;
    letter-spacing: 0.12em;
}

.upgrade-footer nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px 28px;
}

.upgrade-footer nav a {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.82rem;
    text-decoration: none;
}

.upgrade-footer nav a:hover {
    color: var(--wantec-yellow);
}

.upgrade-footer p {
    margin: 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.76rem;
    grid-column: 1 / -1;
}

@media (max-width: 980px) {
    .upgrade-section {
        padding: 82px 0;
    }

    .upgrade-section-heading-split,
    .upgrade-owned .upgrade-section-inner,
    .upgrade-film-inner,
    .upgrade-updates-grid {
        grid-template-columns: 1fr;
    }

    .upgrade-section-heading-split {
        gap: 14px;
    }

    .upgrade-solution-tile,
    .upgrade-solution-tile:nth-child(1),
    .upgrade-solution-tile:nth-child(4),
    .upgrade-solution-tile:nth-child(5),
    .upgrade-solution-tile:nth-child(6) {
        grid-column: span 6;
    }

    .upgrade-brand-lineup {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .upgrade-owned .upgrade-section-inner {
        gap: 34px;
    }

    .upgrade-owned-intro {
        max-width: 680px;
    }

    .upgrade-journey-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .upgrade-journey-list li:nth-child(2) {
        border-right: 0;
    }

    .upgrade-journey-list li:nth-child(n + 3) {
        border-top-color: var(--wantec-blue-700);
    }

    .upgrade-film-copy {
        min-height: 380px;
        padding: 64px max(32px, calc((100vw - 768px) / 2));
    }

    .upgrade-film-copy h2 {
        max-width: 14em;
    }

    .upgrade-home-page .upgrade-film-facade,
    .upgrade-home-page .upgrade-film .video-embed-shell,
    .upgrade-home-page .upgrade-film-facade .upgrade-film-poster {
        min-height: 440px;
        height: 440px;
    }
}

@media (max-width: 768px) {
    .upgrade-section {
        padding: 64px 0;
    }

    .upgrade-section-heading {
        margin-bottom: 28px;
    }

    .upgrade-section-heading h2,
    .upgrade-owned-intro h2,
    .upgrade-film-copy h2,
    .upgrade-consultation h2 {
        font-size: clamp(1.75rem, 7.6vw, 2rem);
    }

    .upgrade-section-heading p,
    .upgrade-owned-intro p,
    .upgrade-film-copy p,
    .upgrade-consultation p {
        font-size: 0.92rem;
        line-height: 1.72;
    }

    .upgrade-finder {
        min-height: 0;
        padding: 15px;
        grid-template-columns: 1fr;
    }

    .upgrade-finder label {
        padding: 0 0 10px;
    }

    .upgrade-finder button {
        margin: 10px 0 0;
    }

    .upgrade-finder-status {
        grid-column: auto;
    }

    .upgrade-solution-grid,
    .upgrade-product-grid,
    .upgrade-owned-grid {
        grid-template-columns: 1fr;
    }

    .upgrade-solution-tile,
    .upgrade-solution-tile:nth-child(1),
    .upgrade-solution-tile:nth-child(4),
    .upgrade-solution-tile:nth-child(5),
    .upgrade-solution-tile:nth-child(6) {
        height: 290px;
        min-height: 0;
        grid-column: auto;
    }

    .upgrade-solution-tile img {
        height: 100%;
        min-height: 0;
    }

    .upgrade-solution-copy {
        min-height: 114px;
        padding: 19px 20px;
    }

    .upgrade-product-media {
        height: 240px;
    }

    .upgrade-product-copy {
        min-height: 205px;
        padding: 22px;
    }

    .upgrade-brand-stage {
        min-height: 0;
        padding: 64px 0 80px;
        background-position: 56% center;
    }

    .upgrade-brand-stage .upgrade-section-heading {
        margin-bottom: 32px;
    }

    .upgrade-brand-lineup {
        gap: 14px 20px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .upgrade-brand-lineup a {
        min-height: 78px;
    }

    .upgrade-brand-lineup img {
        max-width: 126px;
        max-height: 46px;
    }

    .upgrade-owned-card {
        min-height: 380px;
    }

    .upgrade-owned-card img {
        height: 260px;
    }

    .upgrade-journey-list {
        grid-template-columns: 1fr;
    }

    .upgrade-journey-list li,
    .upgrade-journey-list li:nth-child(2) {
        min-height: 0;
        padding: 22px;
        border-right: 0;
        border-bottom: 1px solid var(--wantec-silver-200);
    }

    .upgrade-journey-list span {
        margin-bottom: 18px;
    }

    .upgrade-film-copy {
        min-height: 390px;
        padding: 58px 24px;
    }

    .upgrade-home-page .upgrade-film-facade,
    .upgrade-home-page .upgrade-film .video-embed-shell,
    .upgrade-home-page .upgrade-film-facade .upgrade-film-poster {
        min-height: 330px;
        height: 330px;
    }

    .upgrade-film-action {
        right: 16px;
        bottom: 16px;
        min-height: 44px;
        padding: 0 15px;
        font-size: 0.78rem;
    }

    .upgrade-home-page .news-content,
    .upgrade-home-page .expo-summary-card {
        padding: 20px;
    }

    .upgrade-home-page .expo-summary-grid {
        grid-template-columns: 1fr;
    }

    .upgrade-home-page .expo-summary-image,
    .upgrade-home-page .expo-summary-image:first-child {
        height: 210px;
        grid-column: auto;
    }

    .upgrade-consultation {
        padding: 64px 0;
        background-position: 62% center;
    }

    .upgrade-consultation-inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 28px;
    }

    .upgrade-consultation a {
        width: 100%;
    }

    .upgrade-footer-inner {
        grid-template-columns: 1fr;
    }

    .upgrade-footer nav {
        justify-content: flex-start;
    }

    .upgrade-footer p {
        grid-column: auto;
    }
}

/* 閱讀尺度：縮減展示留白，維持中文說明的可讀大小。 */
.upgrade-home-page .upgrade-section-heading { margin-bottom: 30px; }
.upgrade-home-page .upgrade-brand-stage { min-height: 0; padding: 76px 0 86px; }
.upgrade-home-page .upgrade-owned-card { min-height: 350px; }
.upgrade-home-page .upgrade-owned-card img { height: 230px; }
.upgrade-home-page .upgrade-journey-list li { min-height: 190px; }
.upgrade-home-page .upgrade-consultation { padding: 68px 0; }
.upgrade-home-page .upgrade-film-copy { min-height: 430px; padding: 48px; }
.upgrade-home-page .upgrade-film-facade,
.upgrade-home-page .upgrade-film .video-embed-shell,
.upgrade-home-page .upgrade-film-facade .upgrade-film-poster { min-height: 430px; height: 430px; }
.upgrade-home-page .upgrade-kicker,
.upgrade-home-page .upgrade-solution-copy small,
.upgrade-home-page .upgrade-owned-copy small,
.upgrade-home-page .upgrade-product-copy > span { font-size: 0.75rem; }
.upgrade-home-page .upgrade-finder-status,
.upgrade-home-page .upgrade-finder label,
.upgrade-home-page .upgrade-solution-copy em,
.upgrade-home-page .upgrade-owned-copy em,
.upgrade-home-page .upgrade-footer p { font-size: 0.875rem; }

@media (max-width: 960px) {
    .upgrade-home-page .upgrade-section { padding: 64px 0; }
}
@media (max-width: 768px) {
    .upgrade-home-page .reading-phrase { display: block; }
    .upgrade-home-page .upgrade-section { padding: 48px 0; }
    .upgrade-home-page .upgrade-section-heading { margin-bottom: 24px; }
    .upgrade-home-page .upgrade-section-heading p,
    .upgrade-home-page .upgrade-owned-intro p,
    .upgrade-home-page .upgrade-film-copy p,
    .upgrade-home-page .upgrade-consultation p,
    .upgrade-home-page .upgrade-hero-lead { font-size: 1rem; line-height: 1.75; }
    .upgrade-home-page .upgrade-product-media { height: 200px; }
    .upgrade-home-page .upgrade-product-copy { min-height: 175px; padding: 20px; }
    .upgrade-home-page .upgrade-brand-stage { padding: 48px 0 56px; }
    .upgrade-home-page .upgrade-owned-card { min-height: 320px; }
    .upgrade-home-page .upgrade-owned-card img { height: 200px; }
    .upgrade-home-page .upgrade-journey-list li { min-height: 0; padding: 20px; }
    .upgrade-home-page .upgrade-journey-list span { margin-bottom: 10px; }
    .upgrade-home-page .upgrade-film-copy { min-height: 0; padding: 40px 24px; }
    .upgrade-home-page .upgrade-film-facade,
    .upgrade-home-page .upgrade-film .video-embed-shell,
    .upgrade-home-page .upgrade-film-facade .upgrade-film-poster { min-height: 250px; height: 250px; }
    .upgrade-home-page .upgrade-consultation { padding: 48px 0; }
}