:root {
    --green: var(--cobalt);
    --blue: var(--cobalt);
    --cyan: #8ca5ff;
    --navy: var(--carbon);
    --text: var(--body);
    --muted: #718096;
    --shadow: var(--shadow-small);
}

.studio-page { min-width: 0; overflow-x: hidden; background: var(--paper); }
.studio-page .wrap,
.studio-page .container { width: var(--wrap); max-width: none; margin-inline: auto; }
.studio-page main { display: block; }
.studio-page .studio-header + main { min-height: 55vh; }

.page-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    color: var(--white);
    background:
        radial-gradient(circle at 85% 8%, rgba(49, 92, 255, .28), transparent 33%),
        radial-gradient(circle at 5% 100%, rgba(255, 90, 54, .1), transparent 28%),
        var(--carbon);
}
.page-hero-grid {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: .13;
    background-image: linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(90deg,transparent 2%,#000 35%,#000);
}
.page-hero-layout {
    min-height: 480px;
    padding-block: clamp(72px, 9vw, 118px);
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
    align-items: center;
    gap: clamp(42px, 7vw, 104px);
}
.page-kicker,
.page-signal > span,
.section-label {
    color: #9aacf3;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .15em;
    text-transform: uppercase;
}
.page-hero-copy h1 {
    max-width: 820px;
    margin: 18px 0 0;
    color: var(--white);
    font-size: clamp(42px, 5vw, 72px);
    line-height: 1.08;
    letter-spacing: -.04em;
    text-wrap: balance;
}
.page-hero-copy > p:last-of-type {
    max-width: 720px;
    margin: 24px 0 0;
    color: #b6c0ce;
    font-size: clamp(17px, 1.35vw, 20px);
    line-height: 1.8;
}
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.page-signal {
    position: relative;
    padding: 32px;
    border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.045);
    box-shadow: 0 28px 80px rgba(0,0,0,.28);
    backdrop-filter: blur(12px);
}
.page-signal::before { content: ""; position: absolute; right: -1px; top: -1px; width: 72px; height: 4px; background: var(--signal); }
.page-signal strong { display: block; margin-top: 18px; font-size: 24px; letter-spacing: -.02em; }
.page-signal ul { margin: 24px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.page-signal li { position: relative; padding: 13px 0 13px 22px; color: #b8c1cd; border-bottom: 1px solid var(--line-dark); }
.page-signal li::before { content: ""; position: absolute; left: 0; top: 21px; width: 7px; height: 7px; background: var(--cobalt); }

.studio-page .section { padding: clamp(72px, 8vw, 112px) 0; }
.studio-page .section-head { max-width: 820px; margin: 0 0 40px; text-align: left; }
.studio-page .section-head::before { content: "ZHIKESHENG / DELIVERY"; display: block; margin-bottom: 12px; color: var(--cobalt); font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.studio-page .section-head h2 { margin: 0; color: var(--ink); font-size: clamp(32px, 4vw, 52px); line-height: 1.14; letter-spacing: -.035em; }
.studio-page .section-head p { max-width: 760px; margin: 16px 0 0; color: var(--body); font-size: 17px; }

.studio-page .grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
}
.studio-page .card {
    grid-column: span 6;
    position: relative;
    min-height: 310px;
    padding: 34px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--white);
    box-shadow: none;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease;
}
.studio-page .card:nth-child(3n+1) { grid-column: span 7; }
.studio-page .card:nth-child(3n+2) { grid-column: span 5; }
.studio-page .card::after { content: "↗"; position: absolute; right: 28px; bottom: 25px; color: var(--cobalt); font-size: 22px; }
.studio-page .card:hover { transform: translateY(-5px); border-color: #b8c6ff; box-shadow: var(--shadow); }
.studio-page .card small { color: var(--cobalt); font-weight: 800; letter-spacing: .08em; }
.studio-page .card h2,
.studio-page .card h3 { margin: 42px 0 12px; color: var(--ink); font-size: clamp(24px, 2.1vw, 34px); line-height: 1.24; letter-spacing: -.025em; }
.studio-page .card p { max-width: 600px; color: var(--body); }
.studio-page .chip-row,
.studio-page .module-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.studio-page .chip-row span,
.studio-page .module-grid span { padding: 7px 10px; color: #46536a; background: var(--ice); border: 1px solid #d5dfff; font-size: 12px; }

.detail-grid,
.brief-grid,
.contact-grid,
.detail-body,
.case-content-wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 360px); gap: clamp(28px, 4vw, 56px); align-items: start; }
.content-panel,
.side-panel,
.detail-content,
.brief-form,
.contact-info,
.faq-detail-card,
.case-article {
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--white);
    box-shadow: none;
}
.content-panel,
.detail-content,
.case-article { padding: clamp(28px, 4vw, 58px); }
.side-panel,
.detail-sidebar,
.case-sidebar { position: sticky; top: 104px; }
.side-panel,
.sidebar-card,
.detail-cta-card { padding: 28px; color: #d6dde8; background: var(--carbon-2); border: 1px solid rgba(255,255,255,.1); border-radius: 0; }
.side-panel h2,
.sidebar-card h3,
.detail-cta-card h3 { color: var(--white); }
.side-panel p,
.sidebar-card p,
.detail-cta-card p { color: #abb6c4; }
.point-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.point-list li { position: relative; padding: 18px 20px 18px 48px; color: var(--ink); border: 1px solid var(--line); background: var(--white); }
.point-list li::before { content: "✓"; position: absolute; left: 18px; color: var(--cobalt); font-weight: 900; }
.detail-content,
.detail-content p,
.case-article,
.case-article p,
.faq-detail-body { color: #344052; line-height: 1.9; }
.detail-content h2,
.detail-content h3,
.case-article h2,
.case-article h3 { color: var(--ink); letter-spacing: -.02em; }
.detail-content img,
.case-article img,
.content-body img { height: auto; margin: 26px auto; border: 1px solid var(--line); }

.portfolio-grid,
.news-grid,
.service-grid,
.template-grid,
.pricing-grid,
.band-grid,
.advantage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.portfolio-card,
.news-card,
.service-card,
.template-card,
.pricing-card,
.band,
.advantage-card {
    overflow: hidden;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 0;
    background: var(--white);
    box-shadow: none;
    transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.portfolio-card:hover,
.news-card:hover,
.service-card:hover,
.template-card:hover,
.pricing-card:hover,
.band:hover,
.advantage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-small); }
.portfolio-img,
.news-img,
.template-img { aspect-ratio: 16 / 10; overflow: hidden; background: #e9edf3; }
.portfolio-img span,
.news-img span,
.template-img span { display: block; width: 100%; height: 100%; background-position: center; background-size: cover; transition: transform .45s var(--ease); }
.portfolio-card:hover .portfolio-img span,
.news-card:hover .news-img span { transform: scale(1.035); }
.portfolio-info,
.news-info,
.service-card,
.template-info,
.pricing-card,
.band,
.advantage-card { padding: 26px; }
.portfolio-tag,
.news-date,
.price,
.service-icon { color: var(--cobalt); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
.card-link { display: inline-block; margin-top: 16px; color: var(--cobalt); font-size: 13px; }
.content-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: -12px 0 32px; }
.content-filters a { padding: 9px 14px; color: #455166; border: 1px solid var(--line); background: var(--white); font-size: 13px; font-weight: 700; }
.content-filters a:hover { color: var(--white); border-color: var(--cobalt); background: var(--cobalt); }
.portfolio-info h3,
.news-info h3,
.service-card h3,
.template-info h3,
.pricing-card h3,
.band h2,
.advantage-card h3 { margin: 13px 0 10px; color: var(--ink); font-size: 22px; line-height: 1.35; }
.portfolio-info p,
.news-info p,
.service-card p,
.template-info p,
.pricing-card p,
.band p,
.advantage-card p { color: var(--body); }

.breadcrumb,
.faq-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.breadcrumb a,
.faq-breadcrumb a { color: var(--cobalt); }
.case-hero,
.detail-wrap,
.faq-detail-page { padding: clamp(58px, 7vw, 90px) 0; }
.article-mast { position: relative; overflow: hidden; color: var(--white); background: var(--carbon); }
.article-mast::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(90deg,transparent,#000); }
.article-mast-inner { position: relative; z-index: 1; max-width: 1040px; padding-block: clamp(72px,9vw,126px); }
.article-mast .breadcrumb { color: #8995a5; }
.article-mast h1 { max-width: 960px; margin: 18px 0 0; font-size: clamp(38px,5.3vw,72px); line-height: 1.1; letter-spacing: -.042em; text-wrap: balance; }
.article-mast-inner > p:last-child { max-width: 760px; margin-top: 22px; color: #b6c0ce; font-size: 18px; }
.case-hero { color: var(--white); background: var(--carbon); }
.case-hero-inner { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 40px; align-items: end; }
.case-eyebrow { color: #91a7ff; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.case-hero h1,
.detail-header h1,
.faq-detail-card h1 { margin: 18px 0 0; font-size: clamp(34px, 4.7vw, 64px); line-height: 1.12; letter-spacing: -.04em; }
.case-lead { max-width: 780px; color: #b8c2d0; font-size: 18px; }
.case-tags,
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tags span,
.tag-list span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); color: #c8d0dc; font-size: 12px; }
.case-pagination,
.detail-nav,
.faq-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 24px; }
.page-btn,
.detail-nav a,
.detail-nav span,
.faq-pager > * { min-height: 74px; padding: 16px; border: 1px solid var(--line); background: var(--white); }
.case-highlights,
.case-services { margin-top: 28px; padding: 28px; border: 1px solid var(--line); background: var(--white); }
.highlights-grid,
.services-list { display: flex; flex-wrap: wrap; gap: 10px; }
.highlight-item,
.services-list a { padding: 10px 13px; color: var(--cobalt); background: var(--ice); }

.faq-page .faq-hero { display: none; }
.faq-list { display: grid; gap: 10px; }
.faq-item,
.faq-detail-card { color: var(--ink); }
.faq-item { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 94px; padding: 22px 26px; border: 1px solid var(--line); background: var(--white); }
.faq-item:hover { border-color: #aabbff; transform: translateX(4px); }
.faq-q { display: flex; align-items: center; gap: 15px; }
.faq-q h2 { margin: 0; font-size: 18px; }
.faq-q-icon,
.faq-arrow { color: var(--cobalt); }
.faq-index { min-width: 32px; color: var(--cobalt); font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.faq-detail-card { max-width: 920px; margin-inline: auto; padding: clamp(28px, 5vw, 68px); }
.faq-detail-card h1 { font-size: clamp(30px, 4vw, 48px); }
.faq-pager { max-width: 920px; margin-inline: auto; margin-top: 16px; grid-template-columns: 1fr auto 1fr; }
.faq-pager__next { text-align: right; }
.faq-pager__back { display: grid; place-items: center; color: var(--cobalt); }
.answer-source { display: flex; justify-content: space-between; gap: 20px; margin-top: 38px; padding-top: 20px; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }

.band-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.band { min-height: 230px; border-top: 4px solid var(--cobalt); }
.brief-form { padding: clamp(28px, 4vw, 44px); }
.form-row { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.brief-form label { display: grid; gap: 8px; margin-bottom: 16px; color: var(--ink); font-size: 13px; font-weight: 800; }
.brief-form input,
.brief-form select,
.brief-form textarea { width: 100%; padding: 14px 15px; color: var(--ink); border: 1px solid #ccd3dd; border-radius: 0; background: #fbfcfd; }
.brief-form button,
.studio-page .btn { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; color: var(--white); background: var(--cobalt); border: 0; border-radius: 0; font-weight: 800; cursor: pointer; }
.brief-form button { width: 100%; }
.brief-status { margin-bottom: 18px; padding: 12px 14px; border-left: 3px solid var(--cobalt); background: var(--ice); }
.brief-status.is-error { border-color: var(--signal); background: #fff0ec; }
.brief-status.is-success { border-color: var(--success); background: #eaf8f2; }

.about-hero,
.stats-grid,
.compare-table,
.contact-info,
.qr-card { border-radius: 0 !important; box-shadow: none !important; }
.about-hero { display: grid; grid-template-columns: 210px 1fr; gap: 38px; padding: 42px; border: 1px solid var(--line); background: var(--white); }
.about-logo { display: grid; place-items: center; background: var(--ice); }
.about-logo img { max-width: 150px; }
.about-monogram { color: var(--cobalt); font-size: clamp(46px,7vw,82px); font-weight: 950; letter-spacing: -.08em; }
.about-intro h2 { max-width: 760px; margin: 12px 0 20px; color: var(--ink); font-size: clamp(30px,3.7vw,50px); line-height: 1.15; letter-spacing: -.035em; }
.about-intro p { color: var(--body); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 20px; border: 1px solid var(--line); background: var(--white); }
.stat-item { padding: 28px; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
.stat-num { color: var(--cobalt); font-size: 38px; font-weight: 900; }
.stat-copy { display: block; margin-top: 6px; color: var(--body); font-size: 13px; }
.about-dark { color: var(--white); background: var(--carbon-2); }
.about-dark .section-head h2 { color: var(--white); }
.about-dark .section-head p { color: #aab5c3; }
.about-dark .advantage-card { color: var(--white); border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.035); }
.about-dark .advantage-card h3 { color: var(--white); }
.about-dark .advantage-card p { color: #aab5c3; }
.advantage-no { color: #90a5ff; font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.compare-table { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
.compare-table table { width: 100%; border-collapse: collapse; }
.compare-table th,
.compare-table td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; }
.good { color: var(--success); }
.bad { color: #8b5960; }
.contact-info { padding: clamp(28px,4vw,48px); }
.contact-item { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--cobalt); background: var(--ice); }
.contact-item .label { display: block; color: var(--muted); font-size: 12px; }
.contact-item .value { color: var(--ink); font-weight: 800; }
.qr-card { padding: 28px; border: 1px solid var(--line); background: var(--white); text-align: center; }
.qr-card img { max-width: 210px; margin: 0 auto 18px; }
.contact-aside { display: grid; gap: 16px; }
.contact-note { padding: 26px; color: #cbd3df; background: var(--carbon-2); }
.contact-note > span { color: #91a7ff; font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.contact-note ul { margin: 18px 0 0; padding-left: 19px; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 28px; }
.text-action { color: var(--cobalt); font-weight: 800; }
.studio-nav a[aria-current="page"] { color: var(--white); }
.studio-nav a[aria-current="page"]::after { right: 0; }

.site-conversion { color: var(--white); background: var(--carbon); border-top: 1px solid var(--line-dark); }
.conversion-grid { min-height: 310px; padding-block: 68px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px; }
.conversion-grid span { color: #91a7ff; font-size: 11px; font-weight: 900; letter-spacing: .15em; }
.conversion-grid h2 { max-width: 760px; margin: 14px 0 10px; font-size: clamp(30px, 4vw, 52px); line-height: 1.12; letter-spacing: -.035em; }
.conversion-grid p { max-width: 700px; color: #aeb8c5; }
.conversion-actions { display: flex; flex-direction: column; gap: 10px; min-width: 210px; }

.pagination-wrap { margin-top: 38px; }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; list-style: none; }
.pagination li > * { min-width: 42px; min-height: 42px; display: grid; place-items: center; padding: 0 10px; border: 1px solid var(--line); background: var(--white); }
.pagination .active > * { color: var(--white); background: var(--cobalt); border-color: var(--cobalt); }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .58s var(--ease), transform .58s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
    .page-hero-layout { grid-template-columns: 1fr; min-height: 0; }
    .page-signal { max-width: 640px; }
    .portfolio-grid,.news-grid,.service-grid,.template-grid,.pricing-grid,.advantage-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .detail-grid,.brief-grid,.contact-grid,.detail-body,.case-content-wrap { grid-template-columns: 1fr; }
    .side-panel,.detail-sidebar,.case-sidebar { position: static; }
    .conversion-grid { grid-template-columns: 1fr; }
    .conversion-actions { flex-direction: row; }
}

@media (max-width: 700px) {
    :root { --wrap: min(100% - 32px, 1240px); }
    .page-hero-layout { padding-block: 58px 66px; gap: 30px; }
    .page-hero-copy h1 { font-size: clamp(37px, 11vw, 52px); }
    .page-signal { padding: 24px; }
    .studio-page .section { padding-block: 64px; }
    .studio-page .grid { display: block; }
    .studio-page .card { min-height: 0; margin-bottom: 14px; padding: 26px; }
    .studio-page .card h2,.studio-page .card h3 { margin-top: 28px; }
    .portfolio-grid,.news-grid,.service-grid,.template-grid,.pricing-grid,.band-grid,.advantage-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .case-hero-inner { grid-template-columns: 1fr; }
    .case-pagination,.detail-nav { grid-template-columns: 1fr; }
    .faq-item { align-items: flex-start; padding: 19px; }
    .faq-pager { grid-template-columns: 1fr; }
    .faq-pager__next { text-align: left; }
    .about-hero { grid-template-columns: 1fr; padding: 26px; }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .stat-item:nth-child(2) { border-right: 0; }
    .stat-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .conversion-actions { flex-direction: column; }
    .conversion-actions .action { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
}