:root {
    --pv-red: #c61820;
    --pv-red-dark: #8b0d14;
    --pv-ink: #111214;
    --pv-muted: #70747a;
    --pv-line: #dedfe1;
    --pv-paper: #f4f4f2;
    --pv-white: #fff;
    --pv-max: 1240px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--pv-ink);
}

body.pv-case-page {
    margin: 0;
    overflow-x: hidden;
    color: var(--pv-ink);
    background: var(--pv-white);
    font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

.pv-case-page a {
    color: inherit;
    text-decoration: none;
}

.pv-case-page button {
    font: inherit;
}

.pv-case-page img {
    display: block;
    width: 100%;
}

.pv-shell {
    width: min(var(--pv-max), calc(100% - 80px));
    margin: 0 auto;
}

.pv-skip-link {
    position: fixed;
    z-index: 2000;
    top: 10px;
    left: 10px;
    padding: 10px 14px;
    color: #fff !important;
    background: var(--pv-red);
    transform: translateY(-150%);
}

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

/* 顶部导航 */
.pv-header {
    position: relative;
    z-index: 60;
    height: 78px;
    border-bottom: 1px solid #ececec;
    background: #fff;
}

.pv-header-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.pv-logo {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
}

.pv-logo img {
    width: auto;
    height: 43px;
    object-fit: contain;
}

.pv-desktop-nav {
    display: flex;
    align-items: center;
    gap: clamp(20px, 2.3vw, 35px);
    color: #3d4044;
    font-size: 14px;
}

.pv-desktop-nav a {
    position: relative;
    padding: 29px 0 27px;
}

.pv-desktop-nav a::after {
    position: absolute;
    right: 0;
    bottom: 17px;
    left: 0;
    height: 2px;
    background: var(--pv-red);
    content: "";
    transform: scaleX(0);
    transition: transform .25s ease;
}

.pv-desktop-nav a:hover::after,
.pv-desktop-nav a.is-active::after {
    transform: scaleX(1);
}

.pv-desktop-nav a.is-active {
    color: var(--pv-red);
    font-weight: 700;
}

.pv-header-contact {
    display: flex;
    padding-left: 24px;
    border-left: 1px solid #ddd;
    color: #6d7075;
    font-size: 12px;
    align-items: flex-end;
    flex-direction: column;
    gap: 3px;
}

.pv-header-contact a {
    color: var(--pv-ink);
    font-size: 15px;
    font-weight: 700;
}

.pv-menu-button {
    display: none;
    width: 48px;
    height: 48px;
    padding: 5px;
    border: 0;
    color: var(--pv-ink);
    background: transparent;
    cursor: pointer;
    align-items: flex-end;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.pv-menu-button span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
}

.pv-menu-button i {
    display: block;
    width: 22px;
    height: 1px;
    background: currentColor;
}

.pv-mobile-menu {
    position: fixed;
    z-index: 1200;
    inset: 0;
    display: flex;
    padding: 92px 28px 40px;
    color: #fff;
    background: rgba(10, 11, 12, .985);
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s ease, visibility .28s ease;
    align-items: stretch;
    flex-direction: column;
    justify-content: center;
}

.pv-mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.pv-mobile-menu > a {
    display: flex;
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
    padding: 17px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    font-size: 25px;
    font-weight: 700;
    justify-content: space-between;
}

.pv-mobile-menu small {
    color: rgba(255, 255, 255, .4);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: .16em;
}

.pv-menu-close {
    position: absolute;
    top: 22px;
    right: 25px;
    width: 48px;
    height: 48px;
    border: 0;
    color: #fff;
    background: transparent;
    font-size: 38px;
    line-height: 1;
    cursor: pointer;
}

body.pv-menu-open,
body.pv-modal-open {
    overflow: hidden;
}

/* 案例首屏 */
.pv-hero {
    --pv-background-image: none;
    position: relative;
    min-height: 790px;
    overflow: hidden;
    color: #fff;
    background-color: #111214;
    isolation: isolate;
}

.pv-hero::before {
    position: absolute;
    z-index: -2;
    inset: 0;
    background-image: var(--pv-background-image);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    content: "";
    filter: saturate(.75) contrast(1.08);
    transform: scale(1.035);
}

.pv-hero::after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 9, 10, .98) 0%, rgba(8, 9, 10, .86) 39%, rgba(8, 9, 10, .3) 70%, rgba(8, 9, 10, .72) 100%),
        linear-gradient(180deg, rgba(0, 0, 0, .03), rgba(0, 0, 0, .5));
    content: "";
}

.pv-hero-grid {
    display: grid;
    width: min(1360px, calc(100% - 80px));
    min-height: 790px;
    margin: 0 auto;
    grid-template-columns: 42% 58%;
    align-items: center;
}

.pv-hero-copy {
    padding: 64px 34px 86px 0;
}

.pv-breadcrumb {
    display: flex;
    margin-bottom: 47px;
    color: rgba(255, 255, 255, .42);
    font-size: 11px;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
}

.pv-breadcrumb a:hover {
    color: #fff;
}

.pv-eyebrow {
    display: flex;
    color: rgba(255, 255, 255, .62);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: .2em;
    text-transform: uppercase;
    align-items: center;
    gap: 12px;
}

.pv-eyebrow::before {
    width: 38px;
    height: 3px;
    background: var(--pv-red);
    content: "";
}

.pv-hero h1 {
    max-width: 720px;
    margin: 38px 0 26px;
    font-size: clamp(48px, 5.1vw, 82px);
    font-weight: 800;
    letter-spacing: -.05em;
    line-height: 1.08;
}

.pv-hero-lead {
    max-width: 570px;
    margin: 0;
    color: rgba(255, 255, 255, .74);
    font-size: 19px;
    font-weight: 350;
    line-height: 1.82;
}

.pv-hero-index {
    display: flex;
    margin-top: 58px;
    color: rgba(255, 255, 255, .52);
    font-size: 13px;
    letter-spacing: .1em;
    align-items: center;
    gap: 16px;
}

.pv-hero-index strong {
    color: #fff;
    font-size: 24px;
    letter-spacing: 0;
}

.pv-hero-stage {
    position: relative;
    display: flex;
    min-height: 790px;
    align-items: center;
    justify-content: flex-end;
}

.pv-hero-photo {
    position: relative;
    overflow: hidden;
    width: min(790px, 100%);
    margin: 0;
    aspect-ratio: 16 / 10.4;
    background: #fff;
    box-shadow: 0 42px 90px rgba(0, 0, 0, .45);
}

.pv-hero-photo::before {
    position: absolute;
    z-index: 3;
    top: 26px;
    left: 30px;
    color: rgba(0, 0, 0, .48);
    content: "PRODUCT VISUAL / 01";
    font-size: 10px;
    letter-spacing: .16em;
}

.pv-hero-photo img {
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.pv-image-placeholder {
    display: flex;
    height: 100%;
    color: #777;
    background: linear-gradient(135deg, #f5f5f3, #dededb);
    font-size: 12px;
    letter-spacing: .18em;
    align-items: center;
    justify-content: center;
}

.pv-hero-caption {
    position: absolute;
    z-index: 4;
    right: 0;
    bottom: 60px;
    width: 310px;
    padding: 19px 24px 20px;
    color: #fff;
    background: var(--pv-red);
    box-shadow: 0 20px 36px rgba(0, 0, 0, .25);
    font-size: 13px;
    letter-spacing: .03em;
    line-height: 1.6;
}

.pv-meta-strip {
    border-bottom: 1px solid var(--pv-line);
    background: #fff;
}

.pv-meta-grid {
    display: grid;
    width: min(var(--pv-max), calc(100% - 80px));
    min-height: 132px;
    margin: 0 auto;
    grid-template-columns: repeat(3, 1fr);
}

.pv-meta-item {
    padding: 31px 30px 28px;
    border-left: 1px solid var(--pv-line);
}

.pv-meta-item:last-child {
    border-right: 1px solid var(--pv-line);
}

.pv-meta-item span {
    display: block;
    margin-bottom: 10px;
    color: #999da2;
    font-size: 11px;
    letter-spacing: .14em;
}

.pv-meta-item strong {
    font-size: 17px;
    line-height: 1.55;
}

/* 项目洞察 */
.pv-intro {
    padding: 148px 0 138px;
    background: #fff;
}

.pv-intro-grid {
    display: grid;
    grid-template-columns: .93fr 1.07fr;
    gap: 112px;
    align-items: start;
}

.pv-section-kicker {
    margin-bottom: 28px;
    color: var(--pv-red);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .16em;
}

.pv-display-title {
    margin: 0;
    font-size: clamp(43px, 5vw, 76px);
    font-weight: 800;
    letter-spacing: -.045em;
    line-height: 1.12;
}

.pv-intro-text {
    position: relative;
    padding-top: 62px;
}

.pv-intro-text::before {
    position: absolute;
    top: 12px;
    left: 0;
    width: 88px;
    height: 5px;
    background: var(--pv-ink);
    content: "";
}

.pv-intro-text p {
    margin: 0 0 24px;
    color: #51555a;
    font-size: 18px;
    line-height: 2;
}

.pv-intro-note {
    display: inline-flex;
    margin-top: 10px;
    padding: 11px 15px;
    color: #5c6065;
    background: #f0f0ee;
    font-size: 12px;
    letter-spacing: .04em;
}

/* 主视觉 */
.pv-visual-hero {
    overflow: hidden;
    padding: 0 0 130px;
    background: var(--pv-paper);
}

.pv-wide-art {
    position: relative;
    width: min(1520px, calc(100% - 40px));
    margin: 0 auto;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 22px 55px rgba(23, 26, 29, .08);
}

.pv-wide-art img {
    aspect-ratio: 16 / 8.7;
    object-fit: cover;
}

.pv-art-number {
    position: absolute;
    z-index: 2;
    top: 24px;
    left: 28px;
    color: #7d8084;
    font-size: 12px;
    letter-spacing: .16em;
}

.pv-art-caption {
    display: grid;
    width: min(var(--pv-max), calc(100% - 80px));
    margin: 48px auto 0;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
    align-items: start;
}

.pv-art-caption h2 {
    margin: 0;
    font-size: 37px;
    letter-spacing: -.03em;
    line-height: 1.35;
}

.pv-art-caption p {
    margin: 0;
    color: #666a70;
    font-size: 16px;
    line-height: 1.95;
}

/* 黑色视觉规则区 */
.pv-strategy,
.pv-closing {
    --pv-background-image: none;
    position: relative;
    overflow: hidden;
    color: #fff;
    background-color: #0e1012;
    isolation: isolate;
}

.pv-strategy::before,
.pv-closing::before {
    position: absolute;
    z-index: -2;
    inset: 0;
    background-image: var(--pv-background-image);
    background-position: center;
    background-size: cover;
    content: "";
    filter: grayscale(.15) contrast(1.05);
    transform: scale(1.03);
}

.pv-strategy::after,
.pv-closing::after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background: rgba(6, 7, 8, .84);
    content: "";
}

.pv-strategy {
    padding: 145px 0 155px;
}

.pv-strategy-head {
    display: flex;
    margin-bottom: 84px;
    align-items: flex-end;
    justify-content: space-between;
    gap: 60px;
}

.pv-strategy-head h2 {
    max-width: 720px;
    margin: 0;
    font-size: 58px;
    letter-spacing: -.045em;
    line-height: 1.18;
}

.pv-strategy-head p {
    max-width: 390px;
    margin: 0 0 4px;
    color: rgba(255, 255, 255, .62);
    font-size: 15px;
    line-height: 1.9;
}

.pv-principles {
    display: grid;
    border-top: 1px solid rgba(255, 255, 255, .22);
    border-bottom: 1px solid rgba(255, 255, 255, .22);
    grid-template-columns: repeat(3, 1fr);
}

.pv-principle {
    min-height: 300px;
    padding: 38px 38px 40px;
    border-right: 1px solid rgba(255, 255, 255, .22);
}

.pv-principle:last-child {
    border-right: 0;
}

.pv-principle-no {
    color: var(--pv-red);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .1em;
}

.pv-principle h3 {
    margin: 84px 0 18px;
    font-size: 34px;
    line-height: 1.2;
}

.pv-principle p {
    margin: 0;
    color: rgba(255, 255, 255, .58);
    font-size: 14px;
    line-height: 1.85;
}

/* 系列画廊 */
.pv-series {
    padding: 154px 0 165px;
    background: #fff;
}

.pv-section-head {
    display: flex;
    margin-bottom: 80px;
    align-items: flex-end;
    justify-content: space-between;
    gap: 80px;
}

.pv-section-head h2 {
    max-width: 760px;
    margin: 0;
    font-size: 64px;
    letter-spacing: -.045em;
    line-height: 1.15;
}

.pv-section-head p {
    max-width: 400px;
    margin: 0 0 8px;
    color: #6b6f75;
    font-size: 15px;
    line-height: 1.9;
}

.pv-gallery-a {
    display: grid;
    grid-template-columns: 1.42fr .58fr;
    gap: 26px;
    align-items: stretch;
}

.pv-gallery-b {
    display: grid;
    margin-top: 26px;
    grid-template-columns: .9fr 1.1fr;
    gap: 26px;
}

.pv-gallery-card {
    position: relative;
    overflow: hidden;
    margin: 0;
    background: #f2f2f0;
    aspect-ratio: 1.25 / .78;
}

.pv-gallery-card.is-large {
    aspect-ratio: 1.42 / .82;
}

.pv-gallery-card.is-tall {
    aspect-ratio: .58 / .82;
}

.pv-gallery-card img {
    height: 100%;
    object-fit: cover;
    transition: transform .55s ease;
}

.pv-gallery-card:hover img {
    transform: scale(1.025);
}

.pv-gallery-card > span {
    position: absolute;
    bottom: 20px;
    left: 22px;
    padding: 9px 12px;
    color: #fff;
    background: rgba(17, 18, 20, .92);
    font-size: 11px;
    letter-spacing: .08em;
}

.pv-gallery-note {
    display: flex;
    margin-top: 58px;
    padding-top: 28px;
    border-top: 1px solid var(--pv-line);
    color: #6b6e73;
    font-size: 14px;
    line-height: 1.8;
    justify-content: space-between;
    gap: 36px;
}

/* 细节与应用 */
.pv-detail-study {
    padding: 145px 0 160px;
    background: var(--pv-paper);
}

.pv-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 88px;
    align-items: center;
}

.pv-detail-photo {
    position: relative;
    overflow: hidden;
    margin: 0;
    background: #fff;
    box-shadow: 0 25px 55px rgba(25, 27, 30, .1);
    aspect-ratio: 1 / 1.08;
}

.pv-detail-photo img {
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.pv-detail-photo > span {
    position: absolute;
    right: 22px;
    bottom: 22px;
    padding: 11px 14px;
    color: #fff;
    background: var(--pv-red);
    font-size: 10px;
    letter-spacing: .13em;
}

.pv-detail-copy .pv-display-title {
    font-size: 57px;
}

.pv-detail-copy > p {
    margin: 34px 0 0;
    color: #5f6368;
    font-size: 17px;
    line-height: 2;
}

.pv-detail-list {
    margin: 44px 0 0;
    padding: 0;
    border-top: 1px solid #cdced0;
    list-style: none;
}

.pv-detail-list li {
    display: flex;
    padding: 19px 0;
    border-bottom: 1px solid #cdced0;
    color: #6c7075;
    font-size: 14px;
    justify-content: space-between;
    gap: 30px;
}

.pv-detail-list strong {
    color: var(--pv-ink);
    font-size: 16px;
}

.pv-applications {
    padding: 150px 0 160px;
    background: #fff;
}

.pv-application-layout {
    display: grid;
    grid-template-columns: .78fr 1.22fr;
    gap: 82px;
    align-items: stretch;
}

.pv-application-copy {
    display: flex;
    padding: 40px 0;
    flex-direction: column;
    justify-content: space-between;
}

.pv-application-copy h2 {
    margin: 0;
    font-size: 58px;
    letter-spacing: -.045em;
    line-height: 1.16;
}

.pv-application-copy p {
    max-width: 460px;
    color: #666a70;
    font-size: 16px;
    line-height: 1.95;
}

.pv-application-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pv-application-tags span {
    padding: 10px 13px;
    border: 1px solid #cfd0d2;
    color: #484c51;
    font-size: 12px;
}

.pv-application-art {
    display: flex;
    overflow: hidden;
    min-height: 580px;
    margin: 0;
    background: #f0f0ee;
    align-items: center;
}

.pv-application-art img {
    height: 100%;
    object-fit: cover;
}

.pv-rich-section {
    padding: 120px 0;
    background: var(--pv-paper);
}

.pv-rich-content {
    max-width: 1120px;
    margin: 0 auto;
    color: #4f5459;
    font-size: 16px;
    line-height: 2;
}

.pv-rich-content img {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    margin: 28px auto;
}

/* 收口、相邻案例、页脚 */
.pv-closing {
    display: flex;
    min-height: 640px;
    align-items: center;
}

.pv-closing::after {
    background: rgba(5, 6, 7, .75);
}

.pv-closing .pv-shell {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 100px;
    align-items: flex-end;
}

.pv-closing h2 {
    margin: 0;
    font-size: 66px;
    letter-spacing: -.05em;
    line-height: 1.15;
}

.pv-closing-right {
    padding-bottom: 8px;
}

.pv-closing-right p {
    margin: 0 0 30px;
    color: rgba(255, 255, 255, .68);
    font-size: 17px;
    line-height: 1.9;
}

.pv-cta {
    display: inline-flex;
    min-width: 236px;
    padding: 17px 20px;
    border: 0;
    color: #fff;
    background: var(--pv-red);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.pv-cta:hover {
    background: #df1c25;
}

.pv-cta span {
    font-size: 22px;
}

.pv-case-nav {
    border-bottom: 1px solid var(--pv-line);
    background: #fff;
}

.pv-case-nav-grid {
    display: grid;
    width: min(var(--pv-max), calc(100% - 80px));
    min-height: 152px;
    margin: 0 auto;
    grid-template-columns: 1fr 1fr;
}

.pv-case-nav-item {
    display: flex;
    padding: 35px 40px;
    border-left: 1px solid var(--pv-line);
    flex-direction: column;
    justify-content: center;
    transition: background .25s ease;
}

.pv-case-nav-item:last-child {
    border-right: 1px solid var(--pv-line);
}

.pv-case-nav-item:not(.is-empty):hover {
    background: #f7f7f5;
}

.pv-case-nav-item.is-right {
    text-align: right;
}

.pv-case-nav-item small {
    margin-bottom: 10px;
    color: #9a9da2;
    font-size: 11px;
    letter-spacing: .14em;
}

.pv-case-nav-item strong {
    font-size: 17px;
}

.pv-footer {
    padding: 74px 0 34px;
    color: #fff;
    background: #0d0e10;
}

.pv-footer-top {
    display: grid;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
    grid-template-columns: 1.2fr .8fr .8fr 1fr;
    gap: 50px;
}

.pv-footer-top > div:first-child img {
    width: auto;
    height: 44px;
    margin-bottom: 20px;
}

.pv-footer-top h4 {
    margin: 0 0 20px;
    color: rgba(255, 255, 255, .88);
    font-size: 13px;
}

.pv-footer-top p {
    max-width: 360px;
    margin: 0 0 10px;
    color: rgba(255, 255, 255, .5);
    font-size: 12px;
    line-height: 1.8;
}

.pv-footer-top a:hover,
.pv-footer-bottom a:hover {
    color: #fff;
}

.pv-footer-bottom {
    display: flex;
    padding-top: 28px;
    color: rgba(255, 255, 255, .35);
    font-size: 11px;
    justify-content: space-between;
    gap: 30px;
}

/* 咨询弹窗 */
.pv-contact-modal {
    position: fixed;
    z-index: 1500;
    inset: 0;
    display: flex;
    padding: 28px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease, visibility .25s ease;
    align-items: center;
    justify-content: center;
}

.pv-contact-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.pv-contact-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .74);
    backdrop-filter: blur(5px);
}

.pv-contact-dialog {
    position: relative;
    z-index: 2;
    width: min(880px, 100%);
    padding: 46px;
    color: var(--pv-ink);
    background: #fff;
    box-shadow: 0 30px 100px rgba(0, 0, 0, .38);
}

.pv-contact-close {
    position: absolute;
    top: 14px;
    right: 16px;
    width: 42px;
    height: 42px;
    border: 0;
    color: #555;
    background: transparent;
    font-size: 33px;
    cursor: pointer;
}

.pv-contact-heading > span,
.pv-contact-wechat > div > span,
.pv-contact-phone > span {
    color: var(--pv-red);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
}

.pv-contact-heading h2 {
    margin: 10px 0;
    font-size: 34px;
}

.pv-contact-heading p,
.pv-contact-wechat p,
.pv-contact-phone p {
    color: #74787d;
    line-height: 1.8;
}

.pv-contact-grid {
    display: grid;
    margin-top: 28px;
    grid-template-columns: 1.18fr .82fr;
    gap: 20px;
}

.pv-contact-wechat,
.pv-contact-phone {
    padding: 24px;
    border: 1px solid var(--pv-line);
    background: #f8f8f6;
}

.pv-contact-wechat {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 22px;
    align-items: center;
}

.pv-contact-wechat img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    background: #fff;
}

.pv-contact-wechat h3,
.pv-contact-phone h3 {
    margin: 8px 0;
    font-size: 22px;
}

.pv-contact-phone {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pv-contact-phone a {
    display: inline-flex;
    margin-top: 12px;
    padding: 13px 16px;
    color: #fff;
    background: var(--pv-red);
    align-items: center;
    justify-content: center;
}

/* 滚动显现 */
.pv-js .pv-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .72s ease, transform .72s cubic-bezier(.2, .7, .2, 1);
}

.pv-js .pv-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1080px) {
    .pv-desktop-nav {
        display: none;
    }

    .pv-menu-button {
        display: flex;
    }

    .pv-header-contact {
        margin-left: auto;
    }

    .pv-hero-grid {
        grid-template-columns: 45% 55%;
    }
}

@media (max-width: 820px) {
    .pv-shell,
    .pv-header-inner,
    .pv-meta-grid,
    .pv-case-nav-grid {
        width: calc(100% - 36px);
    }

    .pv-header {
        height: 62px;
    }

    .pv-logo img {
        height: 34px;
    }

    .pv-header-contact {
        display: none;
    }

    .pv-hero {
        min-height: 0;
    }

    .pv-hero-grid {
        display: block;
        width: 100%;
        min-height: 0;
    }

    .pv-hero-copy {
        padding: 52px 24px 54px;
    }

    .pv-breadcrumb {
        margin-bottom: 36px;
    }

    .pv-eyebrow {
        font-size: 10px;
    }

    .pv-hero h1 {
        margin: 28px 0 20px;
        font-size: clamp(42px, 12vw, 58px);
        line-height: 1.12;
    }

    .pv-hero-lead {
        font-size: 16px;
        line-height: 1.8;
    }

    .pv-hero-index {
        margin-top: 38px;
    }

    .pv-hero-stage {
        display: block;
        min-height: 0;
        padding: 0 18px 46px;
    }

    .pv-hero-photo {
        width: 100%;
        aspect-ratio: 1.18 / 1;
    }

    .pv-hero-caption {
        position: relative;
        right: auto;
        bottom: auto;
        width: calc(100% - 22px);
        margin: -16px 0 0 22px;
        padding: 16px 18px;
    }

    .pv-meta-grid {
        display: block;
        min-height: 0;
    }

    .pv-meta-item {
        padding: 21px 2px;
        border-bottom: 1px solid var(--pv-line);
        border-left: 0;
    }

    .pv-meta-item:last-child {
        border-right: 0;
        border-bottom: 0;
    }

    .pv-meta-item span {
        margin-bottom: 7px;
    }

    .pv-meta-item strong {
        font-size: 15px;
    }

    .pv-intro {
        padding: 95px 0 88px;
    }

    .pv-intro-grid {
        display: block;
    }

    .pv-section-kicker {
        margin-bottom: 20px;
        font-size: 10px;
    }

    .pv-display-title {
        font-size: 43px;
        line-height: 1.16;
    }

    .pv-intro-text {
        margin-top: 46px;
        padding-top: 35px;
    }

    .pv-intro-text::before {
        top: 0;
        width: 60px;
        height: 4px;
    }

    .pv-intro-text p {
        font-size: 15px;
        line-height: 1.95;
    }

    .pv-visual-hero {
        padding-bottom: 88px;
    }

    .pv-wide-art {
        width: calc(100% - 24px);
    }

    .pv-wide-art img {
        aspect-ratio: 1 / 1.15;
        object-position: center;
    }

    .pv-art-caption {
        display: block;
        width: calc(100% - 36px);
        margin-top: 34px;
    }

    .pv-art-caption h2 {
        font-size: 29px;
    }

    .pv-art-caption p {
        margin-top: 22px;
        font-size: 14px;
    }

    .pv-strategy {
        padding: 92px 0 96px;
    }

    .pv-strategy-head {
        display: block;
        margin-bottom: 52px;
    }

    .pv-strategy-head h2 {
        font-size: 41px;
    }

    .pv-strategy-head p {
        margin-top: 26px;
        font-size: 14px;
    }

    .pv-principles {
        display: block;
    }

    .pv-principle {
        min-height: 0;
        padding: 28px 4px 31px;
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .22);
    }

    .pv-principle:last-child {
        border-bottom: 0;
    }

    .pv-principle h3 {
        margin: 36px 0 14px;
        font-size: 28px;
    }

    .pv-series {
        padding: 96px 0 100px;
    }

    .pv-section-head {
        display: block;
        margin-bottom: 48px;
    }

    .pv-section-head h2 {
        font-size: 43px;
    }

    .pv-section-head p {
        margin-top: 24px;
        font-size: 14px;
    }

    .pv-gallery-a,
    .pv-gallery-b {
        display: block;
        margin-top: 0;
    }

    .pv-gallery-card,
    .pv-gallery-card.is-large,
    .pv-gallery-card.is-tall {
        margin-bottom: 16px;
        aspect-ratio: 1 / .82;
    }

    .pv-gallery-card.is-tall {
        aspect-ratio: 1 / 1.14;
    }

    .pv-gallery-note {
        display: block;
        margin-top: 34px;
    }

    .pv-gallery-note span {
        display: block;
        margin-bottom: 14px;
    }

    .pv-detail-study {
        padding: 94px 0 100px;
    }

    .pv-detail-grid {
        display: flex;
        flex-direction: column-reverse;
        gap: 52px;
    }

    .pv-detail-copy .pv-display-title {
        font-size: 43px;
    }

    .pv-detail-copy > p {
        font-size: 15px;
    }

    .pv-detail-photo {
        width: 100%;
        aspect-ratio: 1 / 1.05;
    }

    .pv-detail-list li {
        font-size: 12px;
        gap: 18px;
    }

    .pv-detail-list strong {
        font-size: 14px;
    }

    .pv-applications {
        padding: 94px 0 100px;
    }

    .pv-application-layout {
        display: block;
    }

    .pv-application-copy {
        padding: 0;
    }

    .pv-application-copy h2 {
        font-size: 43px;
    }

    .pv-application-copy p {
        margin: 28px 0 32px;
        font-size: 15px;
    }

    .pv-application-art {
        min-height: 0;
        margin-top: 42px;
        aspect-ratio: 1 / .88;
    }

    .pv-rich-section {
        padding: 88px 0;
    }

    .pv-closing {
        min-height: 600px;
        padding: 92px 0;
    }

    .pv-closing .pv-shell {
        display: block;
    }

    .pv-closing h2 {
        font-size: 46px;
    }

    .pv-closing-right {
        margin-top: 44px;
    }

    .pv-closing-right p {
        font-size: 15px;
    }

    .pv-cta {
        width: 100%;
    }

    .pv-case-nav-grid {
        display: block;
        min-height: 0;
    }

    .pv-case-nav-item {
        padding: 28px 0;
        border-bottom: 1px solid var(--pv-line);
        border-left: 0;
    }

    .pv-case-nav-item:last-child {
        border-right: 0;
        border-bottom: 0;
    }

    .pv-case-nav-item.is-right {
        text-align: left;
    }

    .pv-footer {
        padding: 64px 0 30px;
    }

    .pv-footer-top {
        padding-bottom: 46px;
        grid-template-columns: 1fr 1fr;
        gap: 38px 26px;
    }

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

    .pv-footer-bottom {
        display: block;
        line-height: 1.8;
    }

    .pv-contact-dialog {
        max-height: calc(100vh - 32px);
        padding: 38px 20px 24px;
        overflow-y: auto;
    }

    .pv-contact-heading h2 {
        font-size: 28px;
    }

    .pv-contact-grid {
        display: block;
    }

    .pv-contact-wechat {
        grid-template-columns: 112px 1fr;
    }

    .pv-contact-wechat img {
        width: 112px;
        height: 112px;
    }

    .pv-contact-phone {
        margin-top: 14px;
    }
}

@media (max-width: 420px) {
    .pv-hero-copy {
        padding-right: 20px;
        padding-left: 20px;
    }

    .pv-hero-stage {
        padding-right: 12px;
        padding-left: 12px;
    }

    .pv-display-title,
    .pv-detail-copy .pv-display-title,
    .pv-section-head h2,
    .pv-application-copy h2 {
        font-size: 39px;
    }

    .pv-strategy-head h2 {
        font-size: 38px;
    }

    .pv-closing h2 {
        font-size: 42px;
    }

    .pv-contact-wechat {
        display: block;
    }

    .pv-contact-wechat img {
        margin: 0 auto 18px;
    }
}

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

    .pv-js .pv-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}
