/* ===== 捷强动力官网 设计系统 v2（浅色科技风 · 智能制造） ===== */
:root {
    --ink: #0a1628;
    --muted: #5a6a80;
    --line: #e6ebf2;
    --bg: #ffffff;
    --soft: #f5f8fc;
    --brand: #0b5bd3;
    --brand-dark: #08409a;
    --cyan: #06b6d4;
    --grad: linear-gradient(120deg, #08409a 0%, #0b5bd3 55%, #06b6d4 130%);
    --radius: 16px;
    --shadow: 0 12px 44px -14px rgba(10, 22, 40, .14);
    --shadow-lg: 0 28px 70px -20px rgba(10, 22, 40, .22);
    --ease: cubic-bezier(.22, .8, .32, 1);
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --grid-pattern:
        linear-gradient(rgba(11, 91, 211, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 91, 211, .05) 1px, transparent 1px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 导航 ===== */
.nav {
    position: fixed; inset: 0 0 auto 0; z-index: 100;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid transparent;
    transition: border-color .3s, box-shadow .3s;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 30px -10px rgba(10,22,40,.1); }
.nav-inner {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 40px; width: auto; }
.brand-text { font-weight: 700; font-size: 17px; line-height: 1.25; display: flex; flex-direction: column; }
.brand-text small { font-size: 10px; font-weight: 500; color: var(--muted); letter-spacing: 2px; }
.brand-text.light small { color: rgba(255,255,255,.55); }
.nav-links { display: flex; gap: 2px; }
.nav-item { position: relative; }
.nav-item > a, .nav-item > .nav-text {
    display: block; padding: 10px 15px; font-size: 15px; color: var(--ink);
    position: relative; transition: color .2s; letter-spacing: .5px;
}
.nav-item > .nav-text { cursor: default; user-select: none; }
.nav-item > a::after, .nav-item > .nav-text::after {
    content: ""; position: absolute; left: 15px; right: 15px; bottom: 4px;
    height: 2px; background: var(--grad); border-radius: 2px;
    transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav-item > a:hover, .nav-item > a.active, .nav-item:hover > .nav-text { color: var(--brand); }
.nav-item > a:hover::after, .nav-item > a.active::after, .nav-item:hover > .nav-text::after { transform: scaleX(1); }
.dropdown {
    position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 10px);
    min-width: 168px; background: #fff; border: 1px solid var(--line);
    border-radius: 14px; box-shadow: var(--shadow); padding: 8px;
    opacity: 0; visibility: hidden; transition: all .25s var(--ease);
}
.dropdown::before {
    content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px;
    background: #fff; border-left: 1px solid var(--line); border-top: 1px solid var(--line);
    transform: translateX(-50%) rotate(45deg);
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dropdown a {
    display: block; padding: 9px 14px; font-size: 14px; color: var(--muted);
    border-radius: 9px; white-space: nowrap; transition: all .18s;
}
.dropdown a:hover { background: var(--soft); color: var(--brand); padding-left: 18px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }

/* ===== 首屏轮播（紧凑化） ===== */
.hero { position: relative; height: min(58vh, 520px); margin-top: 68px; overflow: hidden; background: var(--ink); }
.hero-track, .hero-slide { position: absolute; inset: 0; }
.hero-slide { opacity: 0; transition: opacity 1s var(--ease); }
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.05); transition: transform 7s var(--ease); }
.hero-slide.active img { transform: scale(1); }
.hero-overlay {
    position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(8, 24, 48, .62) 0%, rgba(8, 24, 48, .25) 50%, transparent 78%),
        linear-gradient(180deg, rgba(8, 24, 48, .25) 0%, transparent 40%, rgba(8, 24, 48, .45) 100%);
}
.hero-caption { position: absolute; left: 0; right: 0; bottom: 22%; color: #fff; }
.hero-caption h2 {
    font-size: clamp(26px, 4.2vw, 46px); font-weight: 700; line-height: 1.3;
    max-width: 620px; letter-spacing: 1px;
    padding-left: 22px; border-left: 4px solid var(--cyan);
}
.hero-caption p { margin: 16px 0 0 26px; font-size: clamp(14px, 1.5vw, 18px); color: rgba(255,255,255,.82); max-width: 540px; }
.hero-caption .btn { margin: 28px 0 0 26px; }
.hero-dots { position: absolute; bottom: 24px; right: 40px; display: flex; gap: 8px; z-index: 2; }
.hero-dots button {
    width: 28px; height: 3px; border: 0; border-radius: 3px; cursor: pointer;
    background: rgba(255,255,255,.35); transition: all .35s var(--ease);
}
.hero-dots button.active { background: var(--cyan); width: 48px; }

/* ===== 通用区块 ===== */
.section { padding: 92px 0; position: relative; }
.section-soft {
    background:
        var(--grid-pattern),
        linear-gradient(180deg, #f7fafd, #f2f6fb);
    background-size: 44px 44px, 100% 100%;
}
.section-title {
    font-size: clamp(24px, 3vw, 34px); font-weight: 700; line-height: 1.4;
    letter-spacing: .5px; position: relative; padding-bottom: 14px;
}
.section-title::after {
    content: ""; position: absolute; left: 0; bottom: 0;
    width: 46px; height: 3px; background: var(--grad); border-radius: 3px;
}
.section-title.center { text-align: center; margin-bottom: 38px; padding-bottom: 16px; }
.section-title.center::after { left: 50%; transform: translateX(-50%); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 12.5px; letter-spacing: 3.5px; font-weight: 600;
    color: var(--brand); text-transform: uppercase; margin-bottom: 12px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--grad); border-radius: 2px; }

/* 页头 */
.page-hero {
    padding: 148px 0 60px;
    background:
        var(--grid-pattern),
        radial-gradient(900px 340px at 88% -80px, rgba(11,91,211,.1), transparent 62%),
        radial-gradient(600px 280px at 6% 0, rgba(6,182,212,.09), transparent 60%),
        var(--bg);
    background-size: 44px 44px, auto, auto, auto;
    border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; letter-spacing: 1px; }
.article-meta { margin-top: 14px; display: flex; gap: 18px; color: var(--muted); font-size: 14px; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 30px; border-radius: 999px;
    background: var(--grad); color: #fff; font-size: 15px; font-weight: 600;
    border: 0; cursor: pointer; letter-spacing: 1px;
    transition: all .3s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(11,91,211,.55); }
.btn-ghost {
    background: transparent; color: var(--brand);
    border: 1px solid rgba(11,91,211,.35);
}
.btn-ghost:hover { background: var(--grad); color: #fff; border-color: transparent; }

/* 图文双列 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; align-items: center; }
.split-reverse .split-img { order: 2; }
.split-img { position: relative; }
.split-img::before {
    content: ""; position: absolute; inset: 18px -18px -18px 18px;
    border-radius: var(--radius); border: 1px solid rgba(11,91,211,.18); z-index: 0;
}
.split-img img {
    position: relative; z-index: 1; border-radius: var(--radius);
    box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover;
}
.split-img.fit-contain::before { display: none; }
.split-img.fit-contain { display: flex; align-items: center; justify-content: center; }
.split-img.fit-contain img {
    aspect-ratio: auto; object-fit: contain; box-shadow: none;
    max-height: 300px; width: auto; max-width: 100%; border-radius: 0;
}
.split-body .section-title { margin-bottom: 20px; }
.split-body .article-content { color: var(--muted); }
.split-body .btn { margin-top: 26px; }

/* 卡片 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.info-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 4px 20px -8px rgba(10,22,40,.08);
    transition: all .35s var(--ease); display: block; position: relative;
}
.info-card::after {
    content: ""; position: absolute; inset: auto 0 0 0; height: 3px;
    background: var(--grad); transform: scaleX(0); transform-origin: left;
    transition: transform .35s var(--ease);
}
.info-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.info-card:hover::after { transform: scaleX(1); }
.info-card-img { aspect-ratio: 16/10; overflow: hidden; background: var(--soft); }
.info-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.info-card:hover .info-card-img img { transform: scale(1.06); }
.info-card-body { padding: 24px 26px 28px; }
.info-card-body h3 { font-size: 18px; margin-bottom: 8px; letter-spacing: .5px; }
.info-card-body p { font-size: 14px; color: var(--muted); }

/* 新闻卡片 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
    background: #fff; border-radius: var(--radius); overflow: hidden;
    box-shadow: 0 4px 20px -8px rgba(10,22,40,.08);
    transition: all .35s var(--ease); display: block;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--soft); position: relative; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 44px; font-weight: 700; color: rgba(11,91,211,.16);
    background:
        var(--grid-pattern),
        linear-gradient(135deg, #edf3fd, #eef9ff);
    background-size: 30px 30px, 100% 100%;
}
.news-card-body { padding: 22px 26px 28px; }
.news-card-body time {
    font-size: 12.5px; color: var(--brand); font-weight: 600; letter-spacing: 1px;
}
.news-card-body h3 { font-size: 16.5px; margin-top: 8px; line-height: 1.6; transition: color .2s; }
.news-card:hover h3 { color: var(--brand); }
.news-card-body p { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* 通栏 */
.banner-img img { width: 100%; max-height: 420px; object-fit: cover; }
.banner-text {
    padding: 100px 0; text-align: center; color: #fff; position: relative; overflow: hidden;
    background: var(--grad);
}
.banner-text::before {
    content: ""; position: absolute; inset: 0; opacity: .35;
    background:
        linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 44px 44px;
}
.banner-text .container { position: relative; }
.banner-text h2 { font-size: clamp(24px, 3.4vw, 38px); font-weight: 700; letter-spacing: 2px; }
.banner-text p { margin: 18px auto 0; max-width: 720px; color: rgba(255,255,255,.88); font-size: 17px; letter-spacing: 1px; }
.banner-cta { display: block; background: var(--ink); color: #fff; transition: background .35s; }
.banner-cta:hover { background: var(--brand-dark); }
.banner-cta-inner { display: flex; align-items: center; justify-content: space-between; padding-top: 42px; padding-bottom: 42px; font-size: clamp(18px, 2.4vw, 26px); font-weight: 600; letter-spacing: 1px; }
.banner-cta-arrow { transition: transform .35s var(--ease); color: var(--cyan); }
.banner-cta:hover .banner-cta-arrow { transform: translateX(12px); }

/* 视频 */
.block-video { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 16/9; background: #000; }

/* 手风琴 */
.accordion { border-top: 1px solid var(--line); }
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-head {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 22px 6px; background: none; border: 0; cursor: pointer;
    font-size: 17px; font-weight: 600; color: var(--ink); text-align: left; font-family: inherit;
    letter-spacing: .5px; transition: color .2s;
}
.accordion-head:hover { color: var(--brand); }
.accordion-icon { position: relative; width: 14px; height: 14px; flex: none; }
.accordion-icon::before, .accordion-icon::after {
    content: ""; position: absolute; background: var(--brand); border-radius: 2px; transition: transform .3s var(--ease);
}
.accordion-icon::before { left: 0; top: 6px; width: 14px; height: 2px; }
.accordion-icon::after { left: 6px; top: 0; width: 2px; height: 14px; }
.accordion-item.open .accordion-icon::after { transform: scaleY(0); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); color: var(--muted); }
.accordion-item.open .accordion-body { max-height: 800px; padding-bottom: 10px; }

/* 地图 */
.map-card {
    display: flex; gap: 22px; align-items: flex-start;
    background: #fff; border-radius: var(--radius);
    padding: 38px; box-shadow: var(--shadow);
}
.map-card svg { color: var(--brand); flex: none; margin-top: 4px; }
.map-card h3 { font-size: 20px; margin-bottom: 14px; letter-spacing: .5px; }

/* 文章正文 */
.article-container { max-width: 820px; }
.article-content { font-size: 16px; color: #2b3648; }
.article-content p { margin-bottom: 1.15em; }
.article-content img { border-radius: 12px; margin: 1.3em auto; box-shadow: var(--shadow); }
.article-content h1, .article-content h2, .article-content h3 { margin: 1.6em 0 .8em; line-height: 1.4; }
.article-content ul, .article-content ol { margin: 0 0 1.15em 1.4em; }
.article-content a { color: var(--brand); text-decoration: underline; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.3em 0; }
.article-content td, .article-content th { border: 1px solid var(--line); padding: 10px 14px; }
.article-content strong { color: var(--ink); }

/* 附件 */
.attachments { margin: 44px 0; padding: 28px 32px; background: var(--soft); border-radius: var(--radius); border: 1px dashed rgba(11,91,211,.25); }
.attachments h3 { font-size: 16px; margin-bottom: 14px; }
.attachment-item {
    display: inline-flex; align-items: center; gap: 8px; margin: 6px 18px 6px 0;
    color: var(--brand); font-size: 14.5px; border-bottom: 1px dashed transparent;
    transition: border-color .2s;
}
.attachment-item:hover { border-bottom-color: var(--brand); }

/* 新闻列表（横排缩略图式） */
.article-container-wide { max-width: 960px; }
.news-list { border-top: 1px solid var(--line); }
.news-item {
    display: flex; align-items: center; gap: 30px;
    padding: 28px 8px; border-bottom: 1px solid var(--line);
    transition: background .25s;
}
.news-item:hover { background: var(--soft); }
.news-item-thumb {
    flex: none; width: 230px; aspect-ratio: 16/10;
    border-radius: 12px; overflow: hidden; background: var(--soft);
}
.news-item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-item:hover .news-item-thumb img { transform: scale(1.05); }
.news-item-placeholder {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    font-size: 34px; font-weight: 700; color: rgba(11,91,211,.16);
    background: var(--grid-pattern), linear-gradient(135deg, #edf3fd, #eef9ff);
    background-size: 26px 26px, 100% 100%;
}
.news-item-body { flex: 1; min-width: 0; }
.news-item-body h3 {
    font-size: 18.5px; line-height: 1.5; letter-spacing: .3px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s;
}
.news-item:hover .news-item-body h3 { color: var(--brand); }
.news-item-body p {
    margin-top: 8px; font-size: 14px; color: var(--muted); line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-item-body time { display: block; margin-top: 10px; font-size: 13px; color: #93a1b5; letter-spacing: .5px; }
.news-item-arrow {
    flex: none; font-size: 20px; color: var(--line);
    transition: all .3s var(--ease);
}
.news-item:hover .news-item-arrow { color: var(--brand); transform: translateX(6px); }

/* 新闻文字列表 */
.top-news { margin-bottom: 40px; }
.news-rows { border-top: 1px solid var(--line); }
.news-row {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 20px 8px; border-bottom: 1px solid var(--line);
    transition: all .25s var(--ease); position: relative;
}
.news-row::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0;
    width: 3px; background: var(--grad); transform: scaleY(0);
    transition: transform .25s var(--ease);
}
.news-row:hover { background: var(--soft); padding-left: 20px; }
.news-row:hover::before { transform: scaleY(1); }
.news-row-title {
    font-size: 16.5px; letter-spacing: .3px; flex: 1; min-width: 0;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: color .2s;
}
.news-row:hover .news-row-title { color: var(--brand); }
.news-row time { flex: none; font-size: 13.5px; color: #93a1b5; letter-spacing: .5px; }

/* 分页 */
.pager { margin-top: 52px; display: flex; justify-content: center; align-items: center; gap: 8px; }
.pager-btn {
    min-width: 42px; height: 42px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line); border-radius: 10px;
    font-size: 14.5px; color: var(--muted); background: #fff;
    transition: all .25s var(--ease);
}
a.pager-btn:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); box-shadow: 0 8px 18px -8px rgba(11,91,211,.35); }
.pager-btn.active { background: var(--grad); border-color: transparent; color: #fff; font-weight: 600; }
.pager-btn.disabled { opacity: .35; pointer-events: none; }

/* 空状态 */
.empty-state { text-align: center; padding: 90px 0; color: var(--muted); }
.empty-state h1 { color: var(--ink); margin-bottom: 12px; }

/* ===== 页脚 ===== */
.footer { background: #08182f; color: rgba(255,255,255,.72); position: relative; }
.footer::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--grad);
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-top: 76px; padding-bottom: 56px; }
.footer .brand-logo { height: 44px; filter: brightness(0) invert(1); }
.footer-desc { margin-top: 20px; font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.48); }
.footer-col h4 {
    color: #fff; font-size: 15px; margin-bottom: 20px; letter-spacing: 1px;
    position: relative; padding-bottom: 10px;
}
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--cyan); border-radius: 2px; }
.footer-col a { display: block; padding: 5px 0; font-size: 14px; color: rgba(255,255,255,.58); transition: all .2s; }
.footer-col a:hover { color: #fff; padding-left: 6px; }
.footer-col p { font-size: 14px; padding: 5px 0; color: rgba(255,255,255,.58); }
.footer-bar { border-top: 1px solid rgba(255,255,255,.09); padding: 20px 0; font-size: 13px; color: rgba(255,255,255,.42); }
.footer-bar .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bar a:hover { color: #fff; }

/* ===== 动效 ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ===== 响应式 ===== */
@media (max-width: 960px) {
    .split { grid-template-columns: 1fr; gap: 36px; }
    .split-reverse .split-img { order: 0; }
    .card-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed; inset: 68px 0 auto 0;
        flex-direction: column; background: #fff; padding: 12px 20px 20px;
        border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
        transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .25s var(--ease);
    }
    .nav-links.open { transform: none; opacity: 1; visibility: visible; }
    .nav-item > a { padding: 13px 10px; font-size: 16px; }
    .dropdown { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 0 16px; }
    .dropdown::before { display: none; }
    .nav-toggle { display: flex; }
    .brand-logo { height: 34px; }
    .hero { height: 52vh; }
    .hero-caption h2 { padding-left: 14px; border-left-width: 3px; }
    .hero-caption p, .hero-caption .btn { margin-left: 18px; }
    .hero-dots { right: 24px; }
    .section { padding: 64px 0; }
    .card-grid, .news-grid { grid-template-columns: 1fr; }
    .news-item { gap: 18px; padding: 20px 4px; }
    .news-item-thumb { width: 120px; border-radius: 9px; }
    .news-item-body p { -webkit-line-clamp: 2; margin-top: 5px; }
    .news-item-arrow { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .page-hero { padding: 118px 0 44px; }
    .split-img::before { inset: 10px -10px -10px 10px; }
}

/* ===== 产品目录 ===== */
.pc-wrap { padding-top: 56px; }
.pc-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 40px; margin-bottom: 46px;
}
.pc-head-text { min-width: 0; }
.pc-intro { margin-top: 16px; max-width: 760px; font-size: 15.5px; line-height: 1.9; color: var(--muted); }
.pc-stats { display: flex; flex: none; gap: 40px; }
.pc-stats div { text-align: center; }
.pc-stats strong {
    display: block; font-size: 34px; font-weight: 700; line-height: 1.1;
    letter-spacing: -.5px; color: var(--brand);
}
.pc-stats span { display: block; margin-top: 4px; font-size: 13px; letter-spacing: 1px; color: var(--muted); }

.pc-layout { display: grid; grid-template-columns: 238px minmax(0, 1fr); gap: 48px; align-items: start; }

.pc-aside { position: sticky; top: 88px; }
.pc-index { display: flex; flex-direction: column; gap: 4px; }
.pc-index-link {
    position: relative; display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 12px; font-size: 14.5px; color: var(--muted);
    transition: all .25s var(--ease);
}
.pc-index-link::before {
    content: ""; position: absolute; left: 0; top: 50%; width: 3px; height: 20px;
    border-radius: 3px; background: var(--grad);
    transform: translateY(-50%) scaleY(0); transition: transform .25s var(--ease);
}
.pc-index-link:hover { background: var(--soft); color: var(--brand); }
.pc-index-link.active { background: var(--soft); color: var(--brand); font-weight: 600; }
.pc-index-link.active::before { transform: translateY(-50%) scaleY(1); }
.pc-index-no {
    flex: none; font-size: 11.5px; font-weight: 700; letter-spacing: 1px;
    color: rgba(11, 91, 211, .5); font-variant-numeric: tabular-nums;
}
.pc-index-link.active .pc-index-no { color: var(--brand); }

.pc-main { min-width: 0; }
.pc-cat { scroll-margin-top: 92px; }
.pc-cat + .pc-cat { margin-top: 64px; }
.pc-cat-head {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding-bottom: 16px; margin-bottom: 28px; border-bottom: 1px solid var(--line);
}
.pc-cat-head h3 {
    display: flex; align-items: center; gap: 12px;
    font-size: clamp(19px, 2.2vw, 24px); font-weight: 700; letter-spacing: .5px;
}
.pc-cat-no {
    flex: none; padding: 3px 9px; border-radius: 8px; font-size: 12px; font-weight: 700;
    letter-spacing: 1px; color: var(--brand); background: var(--soft);
    border: 1px solid rgba(11, 91, 211, .16); font-variant-numeric: tabular-nums;
}
.pc-cat-count { flex: none; font-size: 13px; color: var(--muted); }

.pc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }

.pc-card {
    display: flex; flex-direction: column; overflow: hidden;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: 0 4px 20px -10px rgba(10, 22, 40, .08);
    transition: all .35s var(--ease);
}
.pc-card:hover {
    transform: translateY(-6px); border-color: rgba(11, 91, 211, .22);
    box-shadow: var(--shadow-lg);
}

.pc-media { border-bottom: 1px solid var(--line); background: #fff; }
.pc-main-img {
    aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
    padding: 16px;
}
.pc-main-img img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.pc-media-empty {
    aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
    font-size: 46px; font-weight: 700; color: rgba(11, 91, 211, .18);
    background: var(--grid-pattern), linear-gradient(135deg, #edf3fd, #eef9ff);
    background-size: 30px 30px, 100% 100%;
}
.pc-thumbs { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 16px 14px; }
.pc-thumb {
    width: 46px; height: 46px; padding: 3px; border-radius: 8px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--line); transition: all .2s var(--ease);
}
.pc-thumb img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.pc-thumb:hover { border-color: rgba(11, 91, 211, .4); }
.pc-thumb.active { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(11, 91, 211, .14); }

.pc-body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.pc-name { font-size: 16.5px; line-height: 1.55; letter-spacing: .3px; }
.pc-model {
    align-self: flex-start; margin-top: 8px; padding: 2px 9px; border-radius: 6px;
    font-size: 12px; letter-spacing: .5px; color: var(--brand); background: var(--soft);
}
.pc-desc {
    margin-top: 12px; font-size: 14px; line-height: 1.85; color: var(--muted);
    display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.pc-card.open .pc-desc { display: block; overflow: visible; -webkit-line-clamp: unset; }
.pc-more {
    align-self: flex-start; margin-top: 12px; padding: 0; border: 0; background: none;
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
    font-family: inherit; font-size: 13.5px; font-weight: 600; color: var(--brand);
    transition: color .2s;
}
.pc-more:hover { color: var(--brand-dark); }
.pc-more-b { display: none; }
.pc-card.open .pc-more-a { display: none; }
.pc-card.open .pc-more-b { display: inline; }
.pc-card.open .pc-more { color: var(--muted); }
.pc-arrow {
    width: 7px; height: 7px; margin-top: -3px;
    border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
    transform: rotate(45deg); transition: transform .25s var(--ease);
}
.pc-card.open .pc-arrow { margin-top: 2px; transform: rotate(-135deg); }

@media (max-width: 1024px) {
    .pc-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
    .pc-aside {
        position: sticky; top: 68px; z-index: 40;
        margin: 0 -24px 28px; background: rgba(255, 255, 255, .94);
        backdrop-filter: blur(12px) saturate(1.3);
        -webkit-backdrop-filter: blur(12px) saturate(1.3);
        border-bottom: 1px solid var(--line);
    }
    .pc-index {
        flex-direction: row; gap: 8px; padding: 12px 24px;
        overflow-x: auto; scrollbar-width: none;
    }
    .pc-index::-webkit-scrollbar { display: none; }
    .pc-index-link {
        flex: none; white-space: nowrap; padding: 8px 15px;
        border: 1px solid var(--line); border-radius: 999px; font-size: 13.5px;
    }
    .pc-index-link::before { display: none; }
    .pc-index-no { display: none; }
    .pc-cat { scroll-margin-top: 132px; }
    .pc-cat:first-child { margin-top: 0; }
}

@media (max-width: 768px) {
    .pc-wrap { padding-top: 40px; }
    .pc-head { flex-direction: column; align-items: flex-start; gap: 26px; margin-bottom: 34px; }
    .pc-stats { gap: 34px; }
    .pc-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
    .pc-cat + .pc-cat { margin-top: 48px; }
    .pc-cat-head { margin-bottom: 20px; }
    .pc-main-img { aspect-ratio: 3 / 2; padding: 12px; }
    .pc-thumbs { padding: 0 12px 12px; }
    .pc-body { padding: 18px 18px 20px; }
    .pc-name { font-size: 16px; }
}