/* ============================================================
   通用防伪主题样式
   适配 PC / H5，主色可改 theme.json -> config.primary
   ============================================================ */

:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-soft: #ccfbf1;
    --accent: #22c55e;
    --ink: #0f172a;
    --ink-2: #334155;
    --muted: #64748b;
    --line: #e2e8f0;
    --bg: #f4f7f9;
    --card: #ffffff;
    --radius: 18px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow: 0 18px 40px -24px rgba(15, 23, 42, .35);
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; }
p { margin: 0; }
.mono { font-family: "SFMono-Regular", Consolas, Menlo, monospace; letter-spacing: .04em; }

.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }

/* ---------------- 顶部导航 ---------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, .8);
}
.topbar--slim { position: relative; }
.topbar__inner { display: flex; align-items: center; gap: 32px; height: 68px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand__mark {
    width: 38px; height: 38px; border-radius: 12px;
    display: grid; place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 8px 18px -10px rgba(13, 148, 136, .8);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__text b { font-size: 16px; letter-spacing: .02em; }
.brand__text i { font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: .12em; }

.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font-size: 14px; color: var(--ink-2); position: relative; padding: 6px 0; }
.nav a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
    background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--primary-dark); font-weight: 600; }

.topbar__phone {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; color: var(--primary-dark);
    background: var(--primary-soft); padding: 8px 14px; border-radius: 999px;
}
.topbar__back { margin-left: auto; font-size: 13px; color: var(--muted); }
.topbar__back:hover { color: var(--primary-dark); }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; padding: 64px 0 40px; }
.hero__glow {
    position: absolute; inset: -30% 35% 30% -20%;
    background: radial-gradient(closest-side, rgba(13, 148, 136, .18), transparent 72%);
    pointer-events: none;
}
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; position: relative; }

.pill {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; letter-spacing: .08em;
    color: var(--primary-dark); background: var(--primary-soft);
    border-radius: 999px; padding: 6px 14px;
}
.pill--light { background: rgba(255, 255, 255, .18); color: #fff; }

.hero h1 {
    font-size: clamp(34px, 4.4vw, 54px);
    letter-spacing: -.02em;
    margin: 18px 0 16px;
    background: linear-gradient(120deg, #0f172a 20%, #0f766e 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero__desc { color: var(--ink-2); max-width: 30em; font-size: 15.5px; }

/* 查询框 */
.search {
    margin-top: 28px; background: var(--card); border-radius: var(--radius);
    padding: 18px; box-shadow: var(--shadow); border: 1px solid #eef2f6;
}
.search__field {
    display: flex; align-items: center; gap: 10px;
    border: 1.5px solid var(--line); border-radius: 14px; padding: 6px 6px 6px 14px;
    transition: border-color .2s, box-shadow .2s;
}
.search__field:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(13, 148, 136, .12); }
.search__icon { color: var(--muted); flex: none; }
.search__field input {
    flex: 1; border: 0; outline: 0; background: transparent;
    font-size: 16px; letter-spacing: .08em; padding: 10px 0; color: var(--ink);
    font-family: var(--font); min-width: 0;
}
.search__field input::placeholder { letter-spacing: 0; color: #94a3b8; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border: 0; cursor: pointer; border-radius: 12px; padding: 12px 24px;
    font-size: 15px; font-weight: 600; font-family: var(--font);
    transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff; box-shadow: 0 12px 24px -14px rgba(13, 148, 136, .9);
}
.btn--primary:hover { box-shadow: 0 16px 30px -14px rgba(13, 148, 136, .95); }
.btn--ghost { background: #fff; color: var(--ink-2); border: 1px solid var(--line); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary-dark); }

.search__captcha { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.search__captcha input {
    width: 130px; border: 1.5px solid var(--line); border-radius: 10px;
    padding: 9px 12px; font-size: 14px; outline: 0; font-family: var(--font);
}
.search__captcha input:focus { border-color: var(--primary); }
.search__captcha img { height: 42px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line); }
.search__captcha span { font-size: 12px; color: var(--muted); }
.search__hint { font-size: 12.5px; color: var(--muted); margin-top: 12px; }

.hero__trust { display: flex; gap: 40px; margin-top: 30px; }
.hero__trust div { display: flex; flex-direction: column; }
.hero__trust b { font-size: 24px; letter-spacing: -.02em; color: var(--primary-dark); }
.hero__trust span { font-size: 12.5px; color: var(--muted); }

/* 手机示意 */
.hero__visual { position: relative; display: grid; place-items: center; }
.phone {
    width: 300px; height: 588px; border-radius: 44px; padding: 12px;
    background: linear-gradient(160deg, #0f172a, #134e4a 60%, #115e59);
    box-shadow: 0 40px 80px -40px rgba(15, 23, 42, .65);
    transform: rotate(-4deg);
    animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { transform: rotate(-4deg) translateY(-10px); } }
.phone__notch {
    position: absolute; top: 22px; left: 50%; transform: translateX(-50%);
    width: 84px; height: 20px; border-radius: 999px; background: rgba(0, 0, 0, .55); z-index: 2;
}
.phone__screen { background: #f8fafc; border-radius: 34px; height: 100%; padding: 52px 18px 18px; }
.mini-status { font-size: 11px; letter-spacing: .18em; color: var(--muted); text-align: center; }
.mini-card {
    margin-top: 14px; background: linear-gradient(150deg, #ecfdf5, #f0fdfa);
    border: 1px solid #bbf7d0; border-radius: 16px; padding: 20px 16px; text-align: center;
}
.mini-card__badge {
    width: 48px; height: 48px; margin: 0 auto 10px; border-radius: 50%;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 10px 20px -10px rgba(16, 185, 129, .9);
}
.mini-card b { display: block; font-size: 17px; color: #065f46; }
.mini-card span { font-size: 12px; color: #047857; }
.mini-list { margin-top: 14px; background: #fff; border-radius: 14px; padding: 6px 14px; border: 1px solid var(--line); }
.mini-list li {
    display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted);
    padding: 9px 0; border-bottom: 1px dashed #eef2f6;
}
.mini-list li:last-child { border-bottom: 0; }
.mini-list li i { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); flex: none; }
.mini-list li span { margin-left: auto; color: var(--ink); font-weight: 600; }
.mini-timeline { display: flex; gap: 6px; margin-top: 16px; }
.mini-timeline span { flex: 1; height: 5px; border-radius: 99px; background: #e2e8f0; }
.mini-timeline span:first-child { background: var(--primary); }
.mini-timeline span:nth-child(2) { background: #5eead4; }

.float-badge {
    position: absolute; background: #fff; border-radius: 12px; padding: 9px 14px;
    font-size: 12.5px; font-weight: 600; color: var(--ink-2);
    box-shadow: 0 14px 30px -18px rgba(15, 23, 42, .5);
}
.float-badge--1 { left: 0; top: 18%; }
.float-badge--2 { right: 2%; bottom: 16%; }

/* ---------------- 三步 ---------------- */
.steps {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    margin: 20px auto 0;
}
.steps__item {
    background: var(--card); border-radius: var(--radius); padding: 24px;
    border: 1px solid #edf2f7; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.steps__no {
    position: absolute; right: 18px; top: 8px;
    font-size: 46px; font-weight: 800; color: #f1f5f9; letter-spacing: -.04em;
}
.steps__item h3 { font-size: 16px; margin-bottom: 8px; }
.steps__item p { font-size: 13.5px; color: var(--muted); }

/* ---------------- 产品 ---------------- */
.products { margin-top: 56px; }
.section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; }
.section-head h2 { font-size: 22px; }
.section-head p { color: var(--muted); font-size: 13.5px; }
.products__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product {
    background: var(--card); border-radius: var(--radius); overflow: hidden;
    border: 1px solid #edf2f7; transition: transform .25s, box-shadow .25s;
}
.product:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.product__cover { aspect-ratio: 16 / 10; background: #eef2f6; display: grid; place-items: center; }
.product__cover img { width: 100%; height: 100%; object-fit: cover; }
.product__ph { color: #94a3b8; font-size: 13px; }
.product__meta { padding: 14px 16px 18px; }
.product__meta h3 { font-size: 15px; }
.product__meta p { font-size: 12.5px; color: var(--muted); }

/* ---------------- 保障条 ---------------- */
.assure { margin: 60px 0 0; background: linear-gradient(120deg, #0f172a, #134e4a); color: #e2e8f0; }
.assure__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 34px 0; }
.assure__item b { display: block; font-size: 15px; color: #fff; margin-bottom: 6px; }
.assure__item p { font-size: 12.5px; color: #94a3b8; }

/* ---------------- 结果页 ---------------- */
.result { padding: 28px 0 50px; }
.result__inner { display: flex; flex-direction: column; gap: 16px; max-width: 860px; }

.verdict {
    display: flex; gap: 18px; align-items: flex-start;
    background: var(--card); border-radius: var(--radius); padding: 24px;
    border: 1px solid #edf2f7; box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
}
.verdict--success { border-left-color: #16a34a; background: linear-gradient(120deg, #f0fdf4, #fff 42%); }
.verdict--warning { border-left-color: #f59e0b; background: linear-gradient(120deg, #fffbeb, #fff 42%); }
.verdict--danger { border-left-color: #dc2626; background: linear-gradient(120deg, #fef2f2, #fff 42%); }
.verdict--info { border-left-color: #0ea5e9; }

.verdict__icon {
    width: 60px; height: 60px; border-radius: 18px; flex: none;
    display: grid; place-items: center; color: #fff;
    background: linear-gradient(135deg, #10b981, #059669);
}
.verdict--warning .verdict__icon { background: linear-gradient(135deg, #fbbf24, #d97706); }
.verdict--danger .verdict__icon { background: linear-gradient(135deg, #f87171, #b91c1c); }
.verdict--info .verdict__icon { background: linear-gradient(135deg, #38bdf8, #0284c7); }

.verdict__body { flex: 1; min-width: 0; }
.verdict__tag {
    display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
    color: #15803d; background: #dcfce7; border-radius: 999px; padding: 4px 12px; margin-bottom: 8px;
}
.verdict--warning .verdict__tag { color: #b45309; background: #fef3c7; }
.verdict--danger .verdict__tag { color: #b91c1c; background: #fee2e2; }
.verdict--info .verdict__tag { color: #0369a1; background: #e0f2fe; }

.verdict__notice .n-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.verdict__notice .n-strong { color: #15803d; }
.verdict__notice .n-text { font-size: 13.5px; color: var(--ink-2); line-height: 1.9; }
.verdict__notice p { margin: 0 0 6px; }
.verdict__notice strong, .verdict__notice b { color: var(--ink); }

.verdict__product {
    width: 132px; flex: none; text-align: center; border-left: 1px dashed var(--line); padding-left: 18px;
}
.verdict__product img { width: 86px; height: 86px; object-fit: cover; border-radius: 12px; margin: 0 auto 8px; }
.verdict__ph {
    display: grid; place-items: center; width: 86px; height: 86px; margin: 0 auto 8px;
    background: #f1f5f9; border-radius: 12px; color: #94a3b8; font-size: 12px;
}
.verdict__product b { font-size: 13px; display: block; }
.verdict__product i { font-style: normal; font-size: 11.5px; color: var(--muted); }

.panel {
    background: var(--card); border-radius: var(--radius); padding: 22px 24px;
    border: 1px solid #edf2f7; box-shadow: var(--shadow-sm);
}
.panel__title {
    display: flex; align-items: center; gap: 8px; font-size: 15.5px;
    padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid #f1f5f9;
}
.panel__title svg { color: var(--primary); }
.panel--trace { padding-bottom: 26px; }

.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px 24px; }
.kv li {
    display: flex; justify-content: space-between; gap: 12px;
    padding: 10px 0; border-bottom: 1px dashed #eef2f6; font-size: 13.5px;
}
.kv li span { color: var(--muted); flex: none; }
.kv li b { text-align: right; font-weight: 600; word-break: break-all; }

.product-detail { display: flex; gap: 18px; }
.product-detail__cover { width: 120px; height: 120px; object-fit: cover; border-radius: 14px; flex: none; }
.product-detail__meta h3 { font-size: 17px; }
.product-detail__brand { font-size: 13px; color: var(--muted); margin: 4px 0 10px; }
.product-detail__intro { font-size: 13.5px; color: var(--ink-2); }
.rich { font-size: 14px; color: var(--ink-2); line-height: 1.9; }
.rich img { border-radius: 12px; margin: 10px 0; }

/* 溯源时间线（自动生成 / 模板通用） */
.trace { font-size: 14px; color: var(--ink-2); }
.trace img { border-radius: 12px; margin: 8px 0; }
.trace-auto { position: relative; padding-left: 22px; }
.trace-auto::before {
    content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px; width: 2px;
    background: linear-gradient(180deg, var(--primary), #d1fae5);
}
.trace-auto__item { position: relative; padding: 0 0 22px 18px; }
.trace-auto__item::before {
    content: ""; position: absolute; left: -22px; top: 6px; width: 10px; height: 10px;
    border-radius: 50%; background: #fff; border: 2px solid var(--primary);
}
.trace-auto__date {
    display: inline-block; font-size: 11.5px; color: var(--primary-dark);
    background: var(--primary-soft); padding: 2px 9px; border-radius: 999px; margin-bottom: 6px;
}
.trace-auto__body h4 { font-size: 15px; margin-bottom: 4px; }
.trace-auto__body p { font-size: 13.5px; color: var(--muted); white-space: pre-line; }
.trace-auto__loc { font-size: 12px; color: #94a3b8; }
.trace-auto__imgs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.trace-auto__imgs img { width: 96px; height: 96px; object-fit: cover; border-radius: 10px; }

.result__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.result__tips { font-size: 12px; color: #94a3b8; text-align: center; line-height: 1.8; }

/* ---------------- 溯源独立页 ---------------- */
.trace-page { padding: 26px 0 50px; }
.trace-page .wrap { display: flex; flex-direction: column; gap: 16px; max-width: 960px; }
.trace-hero {
    display: grid; grid-template-columns: 300px 1fr; gap: 26px;
    background: linear-gradient(130deg, #0f172a, #115e59 75%);
    border-radius: 22px; padding: 26px; color: #e2e8f0;
    box-shadow: var(--shadow);
}
.trace-hero__media {
    border-radius: 16px; overflow: hidden; background: rgba(255, 255, 255, .08);
    display: grid; place-items: center; aspect-ratio: 1 / 1; color: #94a3b8; font-size: 13px;
}
.trace-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.trace-hero__info h1 { font-size: 26px; color: #fff; margin: 12px 0 6px; }
.trace-hero__brand { font-size: 13px; color: #94a3b8; }
.trace-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px 22px; margin-top: 18px; }
.trace-meta li { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; padding: 7px 0; border-bottom: 1px dashed rgba(226, 232, 240, .18); }
.trace-meta li span { color: #94a3b8; }
.trace-meta li b { color: #f1f5f9; font-weight: 600; }
.trace-hero__actions { display: flex; gap: 10px; margin-top: 20px; }
.trace-hero__actions .btn--ghost { background: rgba(255, 255, 255, .1); color: #e2e8f0; border-color: rgba(255, 255, 255, .2); }
.empty { color: var(--muted); font-size: 13.5px; padding: 12px 0; }

/* ---------------- 页脚 ---------------- */
.footer { border-top: 1px solid var(--line); background: #fff; margin-top: 10px; }
.footer__inner { display: flex; justify-content: space-between; gap: 24px; padding: 30px 0 18px; }
.footer__brand b { font-size: 15px; }
.footer__brand p { font-size: 12.5px; color: var(--muted); margin-top: 4px; max-width: 34em; }
.footer__links { display: flex; gap: 20px; font-size: 13px; color: var(--ink-2); }
.footer__links a:hover { color: var(--primary-dark); }
.footer__copy {
    display: flex; gap: 14px; justify-content: space-between;
    padding: 14px 0 22px; font-size: 12px; color: #94a3b8;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; }
    .hero__visual { display: none; }
    .products__grid { grid-template-columns: repeat(2, 1fr); }
    .assure__inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
    .wrap { width: calc(100% - 28px); }
    .topbar__inner { height: 60px; gap: 12px; }
    .nav, .topbar__phone { display: none; }
    .hero { padding: 34px 0 22px; }
    .hero h1 { font-size: 32px; }
    .hero__desc { font-size: 14px; }
    .search { padding: 12px; border-radius: 16px; }
    .search__field { flex-wrap: wrap; padding: 10px 12px; }
    .search__field input { width: 100%; flex: 1 0 100%; order: 1; }
    .search__field .btn { order: 2; width: 100%; margin-top: 8px; padding: 12px; }
    .search__icon { display: none; }
    .search__captcha { flex-wrap: wrap; }
    .search__captcha span { width: 100%; }
    .hero__trust { gap: 24px; }
    .hero__trust b { font-size: 20px; }
    .steps { grid-template-columns: 1fr; margin-top: 16px; }
    .products__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .section-head { flex-direction: column; gap: 4px; align-items: flex-start; }
    .assure__inner { grid-template-columns: 1fr 1fr; padding: 24px 0; }
    .footer__inner { flex-direction: column; gap: 14px; }

    .result { padding: 14px 0 30px; }
    .verdict { flex-wrap: wrap; padding: 18px; gap: 14px; }
    .verdict__icon { width: 48px; height: 48px; border-radius: 14px; }
    .verdict__notice .n-title { font-size: 16px; }
    .verdict__product { width: 100%; border-left: 0; border-top: 1px dashed var(--line); padding: 14px 0 0; display: flex; align-items: center; gap: 12px; text-align: left; }
    .verdict__product img, .verdict__ph { width: 56px; height: 56px; margin: 0; }
    .panel { padding: 18px; border-radius: 16px; }
    .kv { grid-template-columns: 1fr; }
    .product-detail { flex-direction: column; }
    .product-detail__cover { width: 100%; height: 180px; }
    .trace-hero { grid-template-columns: 1fr; padding: 18px; }
    .trace-hero__media { aspect-ratio: 16 / 10; }
    .trace-hero__info h1 { font-size: 21px; }
    .trace-meta { grid-template-columns: 1fr; }
    .trace-hero__actions .btn { flex: 1; }
    .trace-auto__imgs img { width: 82px; height: 82px; }
}

/* ============================================================
   产品档案页（自定义栏目）
   ============================================================ */
.page-product { background: var(--bg); }
.prod-hero { padding: 34px 0 26px; }
.prod-hero__inner {
    display: grid; grid-template-columns: 320px 1fr; gap: 30px; align-items: start;
    background: var(--card); border-radius: var(--radius); padding: 26px;
    box-shadow: var(--shadow-sm); border: 1px solid var(--line);
}
.prod-hero__media {
    width: 100%; aspect-ratio: 1 / 1; border-radius: calc(var(--radius) - 6px);
    overflow: hidden; background: var(--primary-soft); display: flex; align-items: center; justify-content: center;
}
.prod-hero__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-hero__ph {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    color: var(--primary-dark); font-size: 30px; font-weight: 700; letter-spacing: 2px; padding: 20px; text-align: center;
}
.prod-hero__info h1 { margin: 12px 0 10px; font-size: 26px; line-height: 1.35; color: var(--ink); }
.prod-hero__intro { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; margin: 0 0 16px; }
.prod-meta { list-style: none; margin: 0 0 20px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
.prod-meta li { display: flex; gap: 10px; font-size: 13.5px; color: var(--ink-2); }
.prod-meta li span { color: var(--muted); min-width: 68px; }
.prod-meta li b { color: var(--ink); font-weight: 600; }
.prod-hero__actions { display: flex; gap: 10px; flex-wrap: wrap; }

.prod-gallery-wrap { padding: 6px 0 4px; }
.prod-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 12px; width: 100%; justify-content: center; }
.prod-gallery a { display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--card); }
.prod-gallery img { width: 100%; height: 150px; object-fit: cover; display: block; transition: transform .25s ease; }
.prod-gallery a:hover img { transform: scale(1.04); }

.prod-nav { position: sticky; top: 0; z-index: 20; background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 22px; }
.prod-nav__inner { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0; scrollbar-width: none; }
.prod-nav__inner::-webkit-scrollbar { display: none; }
.prod-nav__inner a {
    flex: 0 0 auto; padding: 8px 16px; border-radius: 999px; background: var(--primary-soft);
    color: var(--primary-dark); font-size: 13.5px; text-decoration: none; white-space: nowrap;
}
.prod-nav__inner a:hover { background: var(--primary); color: #fff; }

.prod-sections {
    padding: 18px 0 40px;
    display: grid;
    /* 列数由后台按栏目数量下发：4 个 → 2 列，6 个 → 3 列，8 个 → 4 列 */
    grid-template-columns: repeat(var(--sec-cols, 2), minmax(0, 1fr));
    gap: 16px;
    align-items: start;
    justify-content: center;
}
.prod-sec { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-sm); scroll-margin-top: 70px; display: flex; flex-direction: column; align-items: center; }
.prod-sec__title { margin: 0 0 12px; font-size: 17px; color: var(--ink); display: flex; align-items: center; justify-content: center; gap: 8px; }
.prod-sec__cover { width: 100%; margin: 0 0 12px; border-radius: 12px; overflow: hidden; background: #f6f8fb; }
.prod-sec__cover img { width: 100%; height: 220px; object-fit: cover; display: block; }
.prod-sec__title::before { content: ""; width: 4px; height: 16px; border-radius: 4px; background: var(--primary); flex: 0 0 auto; }
.prod-sec__body { color: var(--ink-2); font-size: 14.5px; line-height: 1.95; word-break: break-word; }
.prod-sec__body img { max-width: 100%; height: auto; border-radius: 10px; }
.prod-sec__body table { width: 100%; border-collapse: collapse; }
.prod-sec__body td, .prod-sec__body th { border: 1px solid var(--line); padding: 8px 10px; }
.prod-sec__body iframe, .prod-sec__body video { width: 100%; max-width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 10px; }

.prod-empty { text-align: center; padding: 80px 20px; }
.prod-empty h1 { color: var(--ink); }
.prod-empty p { color: var(--muted); margin-bottom: 20px; }

@media (max-width: 760px) {
    .prod-hero__inner { grid-template-columns: 1fr; gap: 18px; padding: 18px; }
    .prod-hero__media { aspect-ratio: 4 / 3; }
    .prod-hero__info h1 { font-size: 21px; }
    .prod-meta { grid-template-columns: 1fr; }
    .prod-sec { padding: 18px 16px; }
    .prod-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .prod-gallery img { height: 120px; }
}

/* 自定义栏目栅格：宽屏按栏目数自动分列，窄屏逐级降级，始终居中 */
@media (max-width: 1024px) {
    .prod-sections { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .prod-sec { padding: 20px 18px; }
}
@media (max-width: 720px) {
    .prod-sections { grid-template-columns: minmax(0, 1fr); }
    .prod-sec { padding: 18px 16px; }
}