/* ==========================================================================
   新伙伴工业连接系统 · 官网样式
   Mobile-first · 工业 B2B · 无框架依赖
   设计基线：白底为主 + 深色图像区，大留白、紧凑字阶、发丝线代替装饰
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
    --c-ink: #0B1626;
    --c-navy: #122A45;
    --c-steel: #38506B;
    --c-muted: #5A6B80;
    --c-faint: #8695A8;
    --c-body: #43566B;
    --c-head: #0B1626;
    --c-line: #E4E8EE;
    --c-line-2: #EFF2F6;
    --c-bg: #FFFFFF;
    --c-soft: #F6F8FA;
    --c-soft-2: #EDF1F5;

    /* 品牌橙：logo 色 #ed6a18 及其可用变体 */
    --c-brand: #ED6A18;        /* 品牌色：logo / 图形 / 大面积色块 */
    --c-brand-d: #C04F0D;      /* 深一档：白底上的小字号文字（对比 4.8:1） */
    --c-brand-l: #FDF4EE;      /* 极浅底：选中态 / 强调底 */

    /* 语义别名（历史命名保留，统一指向品牌色族） */
    --c-accent: var(--c-brand-d);
    --c-accent-h: #A8440A;
    --c-accent-b: var(--c-brand);
    --c-accent-l: var(--c-brand-l);
    --c-ok: #1E7A4B;

    --f-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC",
        Roboto, Helvetica, Arial, sans-serif;
    --f-num: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;

    --w-max: 1280px;
    --gutter: 18px;
    --r-s: 2px;
    --r-m: 4px;
    --r-l: 6px;
    --sh-s: 0 1px 2px rgba(11, 22, 38, .05);
    --sh-m: 0 6px 20px rgba(11, 22, 38, .07);
    --sh-l: 0 16px 48px rgba(11, 22, 38, .13);
    --sp: 64px;
}

@media (min-width: 768px) {
    :root { --gutter: 28px; --sp: 92px; }
}
@media (min-width: 1200px) {
    :root { --sp: 120px; }
}

/* ---------- 2. 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--f-sans);
    font-size: 15px;
    line-height: 1.78;
    color: var(--c-ink);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.34; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: .4em; }
table { border-collapse: collapse; width: 100%; }
button { font: inherit; cursor: pointer; }
hr { border: 0; border-top: 1px solid var(--c-line); margin: 0; }

.wrap { width: 100%; max-width: var(--w-max); margin: 0 auto; padding: 0 var(--gutter); }
.hide { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- 3. 顶栏（浅色细信息条） ---------- */
.topbar {
    background: var(--c-soft);
    color: var(--c-muted);
    font-size: 12.5px;
    line-height: 3;
    letter-spacing: .01em;
    border-bottom: 1px solid var(--c-line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.topbar a { color: var(--c-steel); }
.topbar a:hover { color: var(--c-brand-d); }
/* 窄屏放不下「定位 + 标语」，直接省掉左侧信息，只保留电话与联系入口并居中 */
.topbar-l { display: none; }
.topbar-r { display: flex; gap: 16px; align-items: center; flex-shrink: 0; }
.topbar-r a + a { padding-left: 16px; border-left: 1px solid var(--c-line); line-height: 1.2; }
@media (min-width: 768px) {
    .topbar-l { display: flex; gap: 16px; flex-wrap: wrap; overflow: hidden; white-space: nowrap; }
    .topbar-l span { display: inline; }
}
@media (max-width: 767px) {
    .topbar .wrap { justify-content: center; }
}

/* ---------- 4. 头部 / 导航 ---------- */
.hd {
    position: sticky; top: 0; z-index: 90;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
}
.hd-in { display: flex; align-items: center; justify-content: space-between; height: 62px; gap: 16px; }
@media (min-width: 992px) { .hd-in { height: 78px; } }

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-tx b { display: block; font-size: 19px; font-weight: 800; color: var(--c-brand); letter-spacing: -.01em; line-height: 1.18; }
.brand-tx i { display: block; font-style: normal; font-size: 11px; font-weight: 600; color: var(--c-brand-d); letter-spacing: .11em; text-transform: uppercase; }

.nav { display: none; }
@media (min-width: 992px) {
    .nav { display: flex; align-items: center; gap: 4px; }
    .nav > li { list-style: none; position: relative; margin: 0; }
    .nav > li > a {
        display: block; padding: 9px 14px; font-size: 14.5px; font-weight: 600;
        color: var(--c-steel); white-space: nowrap; box-shadow: inset 0 -2px 0 transparent;
        transition: color .18s, box-shadow .18s;
    }
    .nav > li > a:hover { color: var(--c-ink); }
    .nav > li.on > a { color: var(--c-ink); box-shadow: inset 0 -2px 0 var(--c-brand); }
    .sub {
        position: absolute; top: 100%; left: 0; min-width: 268px;
        background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
        box-shadow: var(--sh-l); padding: 8px; margin: 0; list-style: none;
        opacity: 0; visibility: hidden; transform: translateY(8px);
        transition: .18s ease;
    }
    .nav > li:hover .sub, .nav > li:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
    .sub li { margin: 0; }
    .sub a { display: block; padding: 9px 12px; font-size: 13.5px; color: var(--c-steel); border-radius: var(--r-s); }
    .sub a:hover { background: var(--c-soft); color: var(--c-ink); }
}

/* ⚠️ 必须用 .hd .hd-cta 两级特异性：下方 .btn（同级单类）也设了 display: inline-flex，
   同级时后者胜出，会把这里的 display: none 覆盖掉 —— 结果是移动端头部多出一个
   「获取方案」按钮，并把 ≤374px 的视口撑出横向滚动（实测 320 视口溢出 36px）。*/
.hd .hd-cta { display: none; background: var(--c-ink); color: #fff; padding: 9px 18px; white-space: nowrap; flex-shrink: 0; }
.hd .hd-cta:hover { background: var(--c-navy); }
@media (min-width: 992px) { .hd .hd-cta { display: inline-flex; } }
/* 992–1119：桌面导航刚顶上来时头部会撑出 5–37px 横向滚动，
   这一段收紧内边距即可容纳，不必提前切回汉堡菜单 */
@media (min-width: 992px) and (max-width: 1119px) {
    .hd-in { gap: 6px; }
    .nav { gap: 0; }
    .nav > li > a { padding: 9px 6px; font-size: 12.8px; }
    .hd .hd-cta { padding: 9px 11px; font-size: 13px; }
}
/* 1120–1279：9 个一级菜单需要略窄的间距 */
@media (min-width: 1120px) and (max-width: 1279px) {
    .nav > li > a { padding: 9px 10px; font-size: 14px; }
}

.burger {
    display: grid; place-items: center; width: 42px; height: 42px;
    border: 1px solid var(--c-line); background: #fff; border-radius: var(--r-s);
}
.burger span { display: block; width: 16px; height: 2px; background: var(--c-ink); position: relative; }
.burger span::before, .burger span::after {
    content: ""; position: absolute; left: 0; width: 16px; height: 2px; background: var(--c-ink);
}
.burger span::before { top: -5px; }
.burger span::after { top: 5px; }
@media (min-width: 992px) { .burger { display: none; } }

/* 移动端抽屉 */
.drawer {
    position: fixed; inset: 0; z-index: 200; visibility: hidden; pointer-events: none;
}
.drawer.bg { background: rgba(11, 22, 38, .5); opacity: 0; transition: opacity .2s; }
.drawer.open { visibility: visible; pointer-events: auto; }
.drawer.open.bg { opacity: 1; }
.drawer-panel {
    position: absolute; top: 0; right: 0; bottom: 0; width: min(86vw, 360px);
    background: #fff; box-shadow: var(--sh-l); transform: translateX(100%);
    transition: transform .24s cubic-bezier(.4, 0, .2, 1);
    display: flex; flex-direction: column;
}
.drawer.open .drawer-panel { transform: none; }
.drawer-hd {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; border-bottom: 1px solid var(--c-line); flex-shrink: 0;
}
.drawer-hd b { font-size: 15px; font-weight: 800; color: var(--c-brand); letter-spacing: -.01em; }
.drawer-x { width: 36px; height: 36px; border: 0; background: var(--c-soft); border-radius: var(--r-s); font-size: 20px; line-height: 1; color: var(--c-steel); }
.drawer-bd { overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 8px 0 32px; }
.drawer-bd ul { list-style: none; margin: 0; padding: 0; }
.drawer-bd li { margin: 0; }
.drawer-bd a { display: block; padding: 13px 18px; font-size: 15px; font-weight: 600; color: var(--c-ink); border-bottom: 1px solid var(--c-line-2); }
.drawer-bd .sm a { padding-left: 32px; font-size: 13.5px; font-weight: 500; color: var(--c-steel); background: var(--c-soft); }
.drawer-bd summary {
    padding: 13px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
    border-bottom: 1px solid var(--c-line-2); list-style: none;
    display: flex; justify-content: space-between; align-items: center;
}
.drawer-bd summary::-webkit-details-marker { display: none; }
.drawer-bd summary::after { content: "+"; color: var(--c-faint); font-weight: 400; }
.drawer-bd details[open] summary::after { content: "−"; color: var(--c-brand); }
.drawer-ft { padding: 18px; border-top: 1px solid var(--c-line); flex-shrink: 0; }
.drawer-ft .btn { width: 100%; }

/* ---------- 5. 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px; border-radius: var(--r-s); font-size: 14.5px; font-weight: 600;
    letter-spacing: .01em; border: 1px solid transparent; text-align: center; line-height: 1.4;
    transition: background .18s, border-color .18s, color .18s;
    font-family: inherit; cursor: pointer;
}
.btn-p { background: var(--c-brand); color: #fff; }
.btn-p:hover { background: var(--c-accent-h); }
.btn-s { background: #fff; color: var(--c-ink); border-color: var(--c-line); }
.btn-s:hover { border-color: var(--c-ink); }
.btn-g { background: rgba(255, 255, 255, .07); color: #fff; border-color: rgba(255, 255, 255, .32); }
.btn-g:hover { background: rgba(255, 255, 255, .15); border-color: rgba(255, 255, 255, .58); }
.btn-sm { padding: 8px 15px; font-size: 13.5px; }
.btn-lg { padding: 14px 28px; font-size: 15.5px; }

/* ---------- 6. 首屏 ---------- */
.hero { position: relative; background: #080F1A; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .52; filter: grayscale(.32) contrast(1.06); }
/* 两层遮罩：底层从下往上压暗（收住现场照里的托盘、地面杂物），
   上层再做左右方向的主遮罩 —— 让照片读起来像质感，而不是一张随手拍 */
.hero-bg::after {
    content: ""; position: absolute; inset: 0;
    background:
        linear-gradient(0deg, rgba(8, 15, 26, .42) 0%, rgba(8, 15, 26, 0) 40%),
        linear-gradient(180deg, rgba(8, 15, 26, .80) 0%, rgba(8, 15, 26, .89) 58%, rgba(8, 15, 26, .97) 100%);
}
@media (min-width: 992px) {
    .hero-bg::after {
        background:
            linear-gradient(0deg, rgba(8, 15, 26, .38) 0%, rgba(8, 15, 26, 0) 38%),
            linear-gradient(94deg, rgba(8, 15, 26, .96) 0%, rgba(8, 15, 26, .86) 44%, rgba(8, 15, 26, .46) 100%);
    }
}
/* 注意：.hero-in 同时带 .wrap，用 longhand 设置纵向内边距，
   避免 padding 简写把 .wrap 的左右 gutter 覆盖掉（会造成首屏内容比正文左移 28px） */
.hero-in { position: relative; padding-top: 56px; padding-bottom: 48px; }
@media (min-width: 768px) { .hero-in { padding-top: 88px; padding-bottom: 76px; } }
@media (min-width: 1200px) { .hero-in { padding-top: 116px; padding-bottom: 100px; } }
.hero-crumb { font-size: 12px; color: #8296AC; letter-spacing: .04em; margin-bottom: 22px; }
.hero-crumb a:hover { color: #fff; }
.hero-crumb i { font-style: normal; margin: 0 9px; opacity: .5; }
.hero-tag {
    display: inline-block; padding: 1px 0 1px 13px; margin-bottom: 20px;
    border: 0; border-left: 2px solid var(--c-brand); border-radius: 0; background: none;
    font-size: 11.5px; font-weight: 700; letter-spacing: .1em; color: #DCE6F1;
}
/* 17.8em ≈ 每行 17–18 个汉字，避免长标题折在词中间 */
.hero h1 { font-size: 26px; line-height: 1.32; letter-spacing: -.025em; max-width: 17.8em; }
@media (min-width: 768px) { .hero h1 { font-size: 36px; } }
@media (min-width: 1200px) { .hero h1 { font-size: 46px; line-height: 1.24; } }
.hero-sub { margin-top: 18px; font-size: 15.5px; line-height: 1.82; color: #AEBECF; max-width: 44em; }
@media (min-width: 768px) { .hero-sub { font-size: 16.5px; } }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 26px; }
.hero-chips span {
    position: relative; padding: 0 0 0 15px; border: 0; background: none; border-radius: 0;
    font-size: 13px; font-weight: 500; letter-spacing: .01em; color: #C3D0DF;
}
.hero-chips span::before {
    content: ""; position: absolute; left: 0; top: .84em; width: 6px; height: 1px; background: var(--c-brand);
}
.hero-act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-act .btn { flex: 1 1 auto; min-width: 148px; }
@media (min-width: 640px) { .hero-act .btn { flex: 0 0 auto; } }
.hero-kpi {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 0;
    margin-top: 46px; padding-top: 28px;
    background: none; border: 0; border-top: 1px solid rgba(255, 255, 255, .15); border-radius: 0;
}
.hero-kpi div { background: none; padding: 0 0 0 22px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hero-kpi div:nth-child(2n+1) { border-left: 0; padding-left: 0; }
.hero-kpi b { display: block; font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.hero-kpi i { display: block; font-style: normal; font-size: 12px; color: #8FA3BA; margin-top: 5px; letter-spacing: .02em; }
@media (min-width: 768px) {
    .hero-kpi { grid-template-columns: repeat(4, 1fr); max-width: 940px; }
    .hero-kpi div:nth-child(2n+1) { border-left: 1px solid rgba(255, 255, 255, .12); padding-left: 22px; }
    .hero-kpi div:first-child { border-left: 0; padding-left: 0; }
}

/* ---------- 7. 通用区块 ---------- */
.sec { padding: var(--sp) 0; }
.sec-soft { background: var(--c-soft); }
.sec-dark { background: var(--c-ink); color: #fff; }
.sec-dark .sec-h h2 { color: #fff; }
.sec-dark .sec-h p { color: #A8BACA; }
.sec-h { margin-bottom: 42px; max-width: 62em; }
.sec-h .lb {
    display: inline-flex; align-items: center; gap: 11px;
    font-size: 11px; font-weight: 700; letter-spacing: .2em;
    text-transform: uppercase; color: var(--c-steel); margin-bottom: 16px;
}
.sec-h .lb::before { content: ""; width: 24px; height: 1px; background: var(--c-brand); flex: none; }
.sec-dark .sec-h .lb { color: #8FA3BA; }
.sec-h h2 { font-size: 22px; letter-spacing: -.026em; }
@media (min-width: 768px) { .sec-h h2 { font-size: 31px; } }
.sec-h h2 .em { color: var(--c-brand-d); }
.sec-h p { margin: 16px 0 0; color: var(--c-muted); font-size: 15.2px; line-height: 1.8; max-width: 50em; }
.sec-h.center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-h.center p { margin-left: auto; margin-right: auto; }
.sec-h.center .lb::before { display: none; }
.sec-ft { margin-top: 40px; }

/* ---------- 8. 网格与卡片 ---------- */
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid { gap: 24px; }
}

.card {
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 26px 24px; position: relative; display: flex; flex-direction: column;
    transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: #C7D2DE; box-shadow: var(--sh-m); }
.card-ic {
    width: 34px; height: 34px; border-radius: var(--r-s); display: grid; place-items: center;
    background: var(--c-soft); border: 1px solid var(--c-line); color: var(--c-ink);
    font-size: 15px; font-weight: 700; margin-bottom: 20px; flex-shrink: 0;
}
.card h3 { font-size: 16.5px; margin-bottom: 10px; }
.card h3 a:hover { color: var(--c-brand-d); }
.card p { font-size: 14px; color: var(--c-muted); margin: 0; line-height: 1.76; }
.card ul { margin: 12px 0 0; padding-left: 1.05em; font-size: 13.6px; color: var(--c-muted); }
.card .go { margin-top: auto; padding-top: 18px; font-size: 13px; font-weight: 700; color: var(--c-brand-d); }
.card .go::after { content: " →"; }

/* 图片卡 */
.icard {
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
    overflow: hidden; display: flex; flex-direction: column;
    transition: border-color .2s, box-shadow .2s;
}
.icard:hover { border-color: #C7D2DE; box-shadow: var(--sh-m); }
.icard-ph { position: relative; aspect-ratio: 16 / 10; background: var(--c-soft-2); overflow: hidden; }
.icard-ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.icard:hover .icard-ph img { transform: scale(1.03); }
.icard-bd { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.icard-bd h3 { font-size: 16px; margin-bottom: 8px; }
.icard-bd p { font-size: 13.8px; color: var(--c-muted); margin: 0; }
.icard-bd .go { margin-top: auto; padding-top: 16px; font-size: 12.5px; font-weight: 700; color: var(--c-brand-d); }
.icard-bd .go::after { content: " →"; }
.icard-no {
    position: absolute; top: 0; left: 0; z-index: 2;
    font-family: var(--f-num); font-size: 11px; font-weight: 700; letter-spacing: .08em;
    background: rgba(8, 15, 26, .84); color: #fff; padding: 5px 10px; border-radius: 0;
}

/* 列表行卡（业务） */
.bcard {
    display: flex; flex-direction: column; gap: 0;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
    overflow: hidden; transition: border-color .2s, box-shadow .2s;
}
.bcard:hover { border-color: #C7D2DE; box-shadow: var(--sh-m); }
.bcard-ph { aspect-ratio: 16 / 9; background: var(--c-soft-2); overflow: hidden; position: relative; }
.bcard-ph img { width: 100%; height: 100%; object-fit: cover; }
.bcard-bd { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.bcard-no {
    font-family: var(--f-num); font-size: 11.5px; font-weight: 800; color: var(--c-brand-d);
    letter-spacing: .14em; margin-bottom: 8px;
}
.bcard h3 { font-size: 17.5px; margin-bottom: 10px; }
.bcard h3 a:hover { color: var(--c-brand-d); }
.bcard p { font-size: 14px; color: var(--c-muted); margin: 0 0 14px; }
.bcard .kv { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.bcard .kv span {
    font-size: 12px; padding: 3px 9px; border-radius: var(--r-s);
    background: var(--c-soft-2); color: var(--c-steel); font-weight: 600;
}
.bcard .go { margin-top: auto; font-size: 13.5px; font-weight: 700; color: var(--c-brand-d); }
.bcard .go::after { content: " →"; }

/* ---------- 9. 问题清单 / 步骤流 ---------- */
.probs { display: grid; gap: 12px; }
@media (min-width: 768px) { .probs { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
.prob {
    display: flex; gap: 14px; padding: 20px;
    background: #fff; border: 1px solid var(--c-line); border-left: 2px solid var(--c-brand);
    border-radius: var(--r-s);
}
.prob b { display: block; font-size: 15px; margin-bottom: 5px; }
.prob p { margin: 0; font-size: 13.8px; color: var(--c-muted); line-height: 1.72; }

.flow { display: grid; gap: 0; }
.step { display: flex; gap: 16px; padding-bottom: 24px; position: relative; }
.step::before {
    content: ""; position: absolute; left: 14px; top: 32px; bottom: 0; width: 1px;
    background: var(--c-line);
}
.step:last-child::before { display: none; }
.step-n {
    width: 30px; height: 30px; flex-shrink: 0; border-radius: var(--r-s);
    background: var(--c-ink); color: #fff; display: grid; place-items: center;
    font-family: var(--f-num); font-size: 12px; font-weight: 700; position: relative; z-index: 1;
}
.step-b b { display: block; font-size: 15px; margin-bottom: 5px; }
.step-b p { margin: 0; font-size: 13.8px; color: var(--c-muted); line-height: 1.72; }
@media (min-width: 992px) {
    .flow-h { grid-template-columns: repeat(4, 1fr); display: grid; gap: 20px; }
    .flow-h .step { flex-direction: column; padding: 0; }
    .flow-h .step::before { left: 30px; top: 15px; bottom: auto; width: calc(100% - 8px); height: 1px; }
    .flow-h .step-n { margin-bottom: 16px; }
}

/* ---------- 9b. 多步网格（self-diagnosis 等） ---------- */
.steps { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .steps-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) {
    .steps-4 { grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .steps-3 { gap: 20px; }
}
.steps .st {
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 22px 20px 20px; transition: border-color .2s, box-shadow .2s;
}
.steps .st:hover { border-color: #C7D2DE; box-shadow: var(--sh-s); }
.steps .st-n {
    display: inline-block; font-family: var(--f-num); font-size: 11.5px; font-weight: 800;
    letter-spacing: .1em; color: var(--c-steel); background: var(--c-soft-2);
    border-radius: var(--r-s); padding: 2px 8px; margin-bottom: 12px;
}
.steps .st b { display: block; font-size: 15px; margin-bottom: 7px; }
.steps .st p { margin: 0; font-size: 13.6px; color: var(--c-muted); line-height: 1.72; }

/* ---------- 10. 规格表 ---------- */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--c-line); border-radius: var(--r-m); background: #fff; }
table.spec { min-width: 560px; font-size: 13.6px; }
table.spec th, table.spec td { padding: 13px 16px; border-bottom: 1px solid var(--c-line-2); text-align: left; vertical-align: top; }
table.spec thead th { background: var(--c-soft); font-weight: 700; color: var(--c-ink); font-size: 12.5px; letter-spacing: .04em; white-space: nowrap; }
table.spec tbody tr:last-child td { border-bottom: 0; }
table.spec tbody tr:nth-child(even) { background: #FBFCFD; }
table.spec td:first-child { font-weight: 700; color: var(--c-ink); white-space: nowrap; }
table.spec .num { font-family: var(--f-num); }

/* 移动端：表格转卡片 */
@media (max-width: 767px) {
    .tbl-wrap { overflow: visible; border: 0; background: none; border-radius: 0; }
    table.spec { min-width: 0; display: block; }
    table.spec thead { display: none; }
    table.spec tbody, table.spec tr, table.spec td { display: block; width: 100%; }
    table.spec tr {
        border: 1px solid var(--c-line); border-radius: var(--r-m);
        background: #fff !important; margin-bottom: 12px; padding: 4px 0; overflow: hidden;
    }
    table.spec td { border: 0; padding: 8px 16px; display: flex; justify-content: space-between; gap: 14px; }
    table.spec td::before {
        content: attr(data-th); font-weight: 700; color: var(--c-steel);
        font-size: 12.5px; flex-shrink: 0;
    }
    table.spec td:first-child {
        background: var(--c-soft); margin: -4px 0 4px; padding: 10px 16px;
        font-size: 14.5px; color: var(--c-ink);
    }
    table.spec td:first-child::before { display: none; }
}

/* ---------- 11. FAQ ---------- */
.faq { border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; background: #fff; }
.faq details { border-bottom: 1px solid var(--c-line-2); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
    padding: 18px 48px 18px 20px; font-weight: 700; font-size: 15px; cursor: pointer;
    list-style: none; position: relative; transition: background .18s, color .18s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
    font-size: 20px; font-weight: 400; color: var(--c-faint); line-height: 1;
}
.faq details[open] summary { color: var(--c-ink); background: var(--c-soft); }
.faq details[open] summary::after { content: "−"; color: var(--c-brand); }
.faq .ans { padding: 4px 20px 20px; font-size: 14px; color: var(--c-muted); }
.faq .ans p:last-child { margin-bottom: 0; }

/* ---------- 12. GEO 问答 ---------- */
.geo { display: grid; gap: 14px; }
@media (min-width: 992px) { .geo { grid-template-columns: repeat(2, 1fr); } }
.qa { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 22px; }
.qa b { display: block; font-size: 15px; line-height: 1.62; margin-bottom: 10px; color: var(--c-ink); }
.qa b::before { content: "Q "; font-family: var(--f-num); color: var(--c-brand-d); font-weight: 800; }
.qa p { margin: 0; font-size: 14px; color: var(--c-muted); line-height: 1.78; }
.qa p::before { content: "A "; font-family: var(--f-num); color: var(--c-faint); font-weight: 800; }

/* ---------- 13. 图片画廊 ---------- */
.gal { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .gal { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
@media (min-width: 1200px) { .gal-4 { grid-template-columns: repeat(4, 1fr); } }
.gal figure { margin: 0; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; background: #fff; }
.gal figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gal figcaption { padding: 12px 14px; font-size: 12.5px; color: var(--c-muted); line-height: 1.6; }
.gal .wide { grid-column: 1 / -1; }
.gal .wide img { aspect-ratio: 21 / 9; }

/* ---------- 14. 内容排版（正文） ---------- */
.prose { font-size: 15px; color: #2C3B4D; max-width: 54em; }
.prose h2 { font-size: 20px; margin: 38px 0 14px; padding-top: 4px; letter-spacing: -.024em; }
.prose h3 { font-size: 16.5px; margin: 26px 0 10px; }
.prose h4 { font-size: 15px; margin: 22px 0 8px; color: var(--c-steel); }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose li { margin-bottom: .45em; }
.prose blockquote {
    margin: 20px 0; padding: 16px 20px; background: var(--c-soft);
    border-left: 2px solid var(--c-brand); border-radius: var(--r-s); font-size: 14.5px;
}
.prose blockquote p:last-child { margin: 0; }
.prose strong { color: var(--c-ink); }
.note {
    padding: 16px 20px; border: 1px solid var(--c-line); border-radius: var(--r-m);
    background: var(--c-soft); font-size: 14px; color: var(--c-steel); line-height: 1.76;
}
.note b { color: var(--c-ink); }

/* ---------- 15. 分栏（历史 .split，正文侧） ---------- */
.split { display: grid; gap: 26px; align-items: start; }
@media (min-width: 992px) { .split { grid-template-columns: 1.08fr .92fr; gap: 48px; } .split-r { grid-template-columns: .92fr 1.08fr; } }
.split figure { margin: 0; border-radius: var(--r-m); overflow: hidden; border: 1px solid var(--c-line); background: #fff; }
.split figure img { width: 100%; }
.split figure figcaption { padding: 12px 14px; font-size: 12.5px; color: var(--c-faint); }

/* ---------- 16. 锚点目录 ---------- */
.anchors { display: none; }
@media (min-width: 992px) {
    .anchors {
        display: block; position: sticky; top: 100px; background: #fff;
        border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 18px 16px;
    }
    .anchors b { display: block; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--c-faint); margin-bottom: 14px; }
    .anchors ul { list-style: none; margin: 0; padding: 0; }
    .anchors li { margin: 0; }
    .anchors a {
        display: block; padding: 7px 10px; font-size: 13.2px; color: var(--c-muted);
        border-radius: var(--r-s); border-left: 2px solid transparent; line-height: 1.5;
    }
    .anchors a:hover { background: var(--c-soft); color: var(--c-ink); }
    .anchors a.on { color: var(--c-brand-d); background: var(--c-brand-l); border-left-color: var(--c-brand); font-weight: 700; }
    .with-anchors { display: grid; grid-template-columns: 1fr 232px; gap: 48px; align-items: start; }
    .with-anchors .anchors { order: 2; }
}
.m-anchors { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 14px; -webkit-overflow-scrolling: touch; }
.m-anchors::-webkit-scrollbar { display: none; }
.m-anchors a {
    flex: 0 0 auto; padding: 7px 14px; font-size: 13px; font-weight: 600;
    border: 1px solid var(--c-line); border-radius: var(--r-s); color: var(--c-steel); background: #fff;
}
@media (min-width: 992px) { .m-anchors { display: none; } }

/* ---------- 17. CTA 区块 ---------- */
.cta { background: var(--c-ink); color: #fff; }
/* 同理：.cta-in 同时带 .wrap，纵向 padding 用 longhand */
.cta-in { padding-top: 72px; padding-bottom: 72px; }
@media (min-width: 768px) { .cta-in { padding-top: 104px; padding-bottom: 104px; } }
.cta-in h2 { position: relative; padding-top: 24px; font-size: 23px; letter-spacing: -.026em; max-width: 24em; line-height: 1.3; }
.cta-in h2::before { content: ""; position: absolute; top: 0; left: 0; width: 36px; height: 2px; background: var(--c-brand); }
@media (min-width: 768px) { .cta-in h2 { font-size: 32px; } }
.cta-in p { color: #A8BACA; margin: 18px 0 0; font-size: 15.2px; line-height: 1.8; max-width: 44em; }
.cta-act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.cta-tel { display: flex; align-items: center; gap: 16px; margin-top: 34px; padding-top: 28px; flex-wrap: wrap; border-top: 1px solid rgba(255, 255, 255, .12); }
.cta-tel span { font-size: 13px; color: #8296AC; letter-spacing: .04em; }
.cta-tel b { font-family: var(--f-num); font-size: 24px; letter-spacing: -.01em; }

/* ---------- 18. 面包屑 / 内链 ---------- */
.crumb { font-size: 12.5px; color: var(--c-faint); padding: 16px 0; border-bottom: 1px solid var(--c-line); }
.crumb a:hover { color: var(--c-brand-d); }
.crumb i { font-style: normal; margin: 0 9px; opacity: .5; }

.links { display: grid; gap: 12px; }
@media (min-width: 768px) { .links { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .links-3 { grid-template-columns: repeat(3, 1fr); } }
.link {
    display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); transition: border-color .18s;
}
.link:hover { border-color: var(--c-brand); }
.link b { display: block; font-size: 14.2px; margin-bottom: 2px; }
.link span { display: block; font-size: 12.5px; color: var(--c-muted); }
.link i { font-style: normal; color: var(--c-brand-d); font-weight: 800; flex-shrink: 0; }

/* ---------- 19. 徽标墙 ---------- */
.wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; }
@media (min-width: 640px) { .wall { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 992px) { .wall { grid-template-columns: repeat(6, 1fr); } }
.wall div { background: #fff; padding: 18px 8px; text-align: center; font-size: 12.5px; font-weight: 700; color: var(--c-steel); line-height: 1.45; }
.wall div em { display: block; font-style: normal; font-size: 10.5px; color: var(--c-faint); font-weight: 500; margin-top: 3px; }

/* ---------- 20. 表单 ---------- */
.form { display: grid; gap: 16px; }
@media (min-width: 768px) { .form-2 { grid-template-columns: repeat(2, 1fr); } .form .full { grid-column: 1 / -1; } }
.field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; }
.field label i { font-style: normal; color: var(--c-brand-d); }
.field input, .field select, .field textarea {
    width: 100%; padding: 11px 13px; font: inherit; font-size: 14.5px;
    border: 1px solid var(--c-line); border-radius: var(--r-s); background: #fff; color: var(--c-ink);
    transition: border-color .18s, box-shadow .18s;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: 0; border-color: var(--c-brand); box-shadow: 0 0 0 3px rgba(237, 106, 24, .14);
}
.field textarea { min-height: 116px; resize: vertical; }
.field .hint { font-size: 12px; color: var(--c-faint); margin-top: 5px; }

/* ---------- 21. 页脚 ---------- */
.ft { background: var(--c-ink); color: #93A6BC; font-size: 13.5px; padding-top: 64px; }
.ft a:hover { color: #fff; }
.ft-grid { display: grid; gap: 32px; padding-bottom: 46px; }
@media (min-width: 768px) { .ft-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .ft-grid { grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; } }
.ft h4 { color: #fff; font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.ft ul { list-style: none; margin: 0; padding: 0; }
.ft li { margin-bottom: 11px; }
.ft .brand-tx b { color: var(--c-brand); }
.ft .brand-tx i { color: var(--c-brand); }
.ft-ab { margin-top: 18px; line-height: 1.88; font-size: 13px; color: #7E90A6; }
.ft-addr b { color: #C8D5E3; font-weight: 600; }
.ft-addr p { margin: 0 0 14px; line-height: 1.72; }
.ft-addr .tel { font-family: var(--f-num); font-size: 15px; color: #fff; }
.ft-bot { border-top: 1px solid rgba(255, 255, 255, .09); padding: 20px 0 26px; }
.ft-bot .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; font-size: 12.5px; color: #6E8299; }
.ft-bot a { color: #8FA3BA; }

/* ---------- 22. 浮动联系条（移动端） ---------- */
.dock {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
    display: flex; background: #fff; border-top: 1px solid var(--c-line);
    box-shadow: 0 -4px 20px rgba(11, 22, 38, .08);
    padding-bottom: env(safe-area-inset-bottom);
}
.dock a, .dock button {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; padding: 8px 4px; font-size: 11.5px; font-weight: 700; color: var(--c-steel);
}
.dock button {
    background: none; border: 0; font-family: inherit; line-height: inherit;
    letter-spacing: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.dock a b, .dock button b { font-size: 16px; line-height: 1; font-weight: 400; }
.dock a.p { background: var(--c-brand); color: #fff; }
@media (min-width: 992px) { .dock { display: none; } }
body { padding-bottom: 54px; }
@media (min-width: 992px) { body { padding-bottom: 0; } }

/* 复制手机号 / 微信号的提示条 */
.copy-toast {
    position: fixed; left: 50%; bottom: 84px; z-index: 200;
    transform: translate(-50%, 12px); opacity: 0;
    max-width: calc(100vw - 32px);
    padding: 10px 16px; border-radius: 999px;
    background: rgba(11, 22, 38, .92); color: #fff;
    font-size: 13px; line-height: 1.5; text-align: center;
    transition: opacity .2s ease, transform .2s ease;
    pointer-events: none;
}
.copy-toast.on { opacity: 1; transform: translate(-50%, 0); }
@media (min-width: 992px) { .copy-toast { bottom: 40px; } }

/* ---------- 23. 杂项 ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font-size: 12.5px; padding: 4px 11px; border-radius: var(--r-s); background: var(--c-soft-2); color: var(--c-steel); font-weight: 600; }
.tags.lt span { background: rgba(255, 255, 255, .1); color: #CFDCEA; }
.stat { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .stat-4 { grid-template-columns: repeat(4, 1fr); } }
.stat div { border-left: 2px solid var(--c-brand); padding-left: 16px; }
.stat b { display: block; font-size: 23px; font-weight: 800; letter-spacing: -.02em; }
.stat i { font-style: normal; font-size: 12.8px; color: var(--c-muted); }
.todo {
    display: inline-block; font-size: 12px; font-weight: 700; color: var(--c-brand-d);
    background: var(--c-brand-l); border: 1px dashed var(--c-brand);
    border-radius: var(--r-s); padding: 2px 8px;
}
.pill-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.pill-nav a {
    padding: 7px 15px; font-size: 13.5px; font-weight: 600; background: #fff;
    border: 1px solid var(--c-line); border-radius: var(--r-s); color: var(--c-steel);
}
.pill-nav a:hover, .pill-nav a.on { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }

/* 打印 */
@media print {
    .hd, .dock, .topbar, .cta, .drawer { display: none !important; }
    body { padding: 0; font-size: 12px; }
    .hero { color: #000; background: #fff; }
    .hero-bg { display: none; }
}

/* ==========================================================================
   业务详情页扩展组件（01 页面框架专用）
   ========================================================================== */

/* ---------- 小标题（模块内的 h3） ---------- */
.sub-h {
    font-size: 15px;
    margin: 34px 0 16px;
    padding-left: 12px;
    border-left: 2px solid var(--c-brand);
    line-height: 1.5;
    letter-spacing: -.015em;
}
.sub-h:first-child { margin-top: 0; }

/* ---------- 标签（工艺术语 / 条件） ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
    display: inline-block;
    padding: 6px 11px;
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-s);
    font-size: 13px;
    color: var(--c-steel);
    line-height: 1.5;
}
.sec-soft .tags span { background: #fff; }

/* ---------- 双栏 ---------- */
.two-col { display: grid; gap: 24px; }
@media (min-width: 768px) { .two-col { grid-template-columns: 1fr 1fr; gap: 34px; } }
.two-col .col .sub-h:first-child { margin-top: 0; }

/* ---------- 问题 → 解决方式 ---------- */
.pairs { display: grid; gap: 12px; }
@media (min-width: 992px) { .pairs-2 { grid-template-columns: 1fr 1fr; } }
.pair {
    display: grid;
    grid-template-columns: 1fr 26px 1.35fr;
    align-items: center;
    gap: 4px;
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--r-m);
    padding: 14px 16px;
}
.pair-a { font-size: 13.8px; font-weight: 700; color: var(--c-ink); line-height: 1.55; }
.pair-arrow { text-align: center; color: var(--c-brand); font-weight: 700; }
.pair-b b { display: block; font-size: 13.8px; margin-bottom: 3px; }
.pair-b p { margin: 0; font-size: 12.8px; color: var(--c-muted); line-height: 1.62; }
@media (max-width: 600px) {
    .pair { grid-template-columns: 1fr; gap: 6px; }
    .pair-arrow { text-align: left; transform: rotate(90deg); width: 16px; }
}

/* ---------- 工序流（竖向带序号） ---------- */
.fline { display: grid; gap: 0; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; background: #fff; }
.fl { display: grid; grid-template-columns: 46px 1fr; align-items: stretch; border-bottom: 1px solid var(--c-line-2); }
.fl:last-child { border-bottom: 0; }
.fl-n {
    display: flex; align-items: center; justify-content: center;
    background: var(--c-soft); font-family: var(--f-num); font-size: 12px; font-weight: 700;
    color: var(--c-faint); border-right: 1px solid var(--c-line-2);
}
.fl-b { padding: 11px 16px; }
.fl-b b { display: block; font-size: 14px; }
.fl-b p { margin: 2px 0 0; font-size: 12.8px; color: var(--c-muted); line-height: 1.62; }
.fl-b p:empty { display: none; }
/* 紧凑版工序流（行高更小，用于长链条） */
.fline-tight .fl { grid-template-columns: 40px 1fr; }
.fline-tight .fl-b { padding: 8px 14px; }
.fline-tight .fl-b b { font-size: 13.6px; }
.fline-tight .fl-b p { font-size: 12.4px; }

/* ---------- 加号 / 箭头链 ---------- */
.chainline {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
    padding: 18px 20px; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); font-size: 13.8px; font-weight: 700; color: var(--c-navy);
}
.chainline i { font-style: normal; color: var(--c-brand); font-weight: 700; }
.sec-soft .chainline { background: #fff; }

/* ---------- 小卡片网格 ---------- */
.minis { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .minis { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .minis { grid-template-columns: repeat(3, 1fr); } }
.minis-1 { grid-template-columns: 1fr; }
@media (min-width: 600px) { .minis-1 { grid-template-columns: 1fr; } }
@media (min-width: 992px) { .minis-1 { grid-template-columns: 1fr; } }
.mini { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 14px 16px; }
.mini b { display: block; font-size: 13.8px; margin-bottom: 5px; }
.mini p { margin: 0; font-size: 12.8px; color: var(--c-muted); line-height: 1.66; }
.sec-soft .mini { background: #fff; }

/* ---------- 配图 ---------- */
.fig { margin: 30px 0 0; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; background: #fff; }
.fig img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.fig figcaption { padding: 12px 16px; font-size: 12.6px; color: var(--c-muted); line-height: 1.6; border-top: 1px solid var(--c-line-2); }

/* ---------- 节拍公式 ---------- */
.formula { background: #fff; border: 1px solid var(--c-line); border-left: 2px solid var(--c-brand); border-radius: var(--r-m); padding: 18px 20px; }
.formula b { display: block; font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--c-faint); margin-bottom: 10px; }
.formula code {
    display: block; font-family: var(--f-num); font-size: 13.5px; color: var(--c-ink);
    background: var(--c-soft); padding: 12px 14px; border-radius: var(--r-s); margin-bottom: 10px;
    overflow-x: auto; white-space: nowrap;
}
.formula p { margin: 0; font-size: 13.2px; color: var(--c-muted); line-height: 1.72; }

/* ---------- 典型方案卡片 ---------- */
.schemes { display: grid; gap: 18px; }
@media (min-width: 992px) { .schemes { grid-template-columns: repeat(2, 1fr); } }
.scheme { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 22px 22px 20px; display: flex; flex-direction: column; }
.scheme-hd { display: flex; align-items: baseline; gap: 10px; padding-bottom: 14px; margin-bottom: 4px; border-bottom: 1px solid var(--c-line-2); }
.scheme-hd span { font-family: var(--f-num); font-size: 11.5px; font-weight: 700; color: var(--c-brand-d); letter-spacing: .08em; flex: none; }
.scheme-hd h3 { font-size: 16.5px; }
.scheme .note { margin-top: auto; }
.scheme-dl { margin: 0; padding: 14px 0 14px 20px; }
.scheme-dl dt { font-size: 11.5px; font-weight: 700; color: var(--c-faint); letter-spacing: .1em; text-transform: uppercase; }
.scheme-dl dd { margin: 4px 0 14px; font-size: 13.6px; color: var(--c-steel); line-height: 1.7; }
.scheme-dl dd:last-child { margin-bottom: 0; }
.scheme-dl li { font-size: 13.6px; line-height: 1.8; color: var(--c-steel); margin-bottom: 4px; }

/* ---------- 适配维度网格 ---------- */
.bgrid { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .bgrid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .bgrid { grid-template-columns: repeat(4, 1fr); } }
.bcardx { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 16px; }
.bcardx h3 { font-size: 13.8px; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--c-line-2); }
.bcardx .tags { gap: 5px; }
.bcardx .tags span { padding: 4px 8px; font-size: 12px; background: var(--c-soft); border-color: transparent; }

/* ---------- 参数分组 ---------- */
.pgroup { display: grid; gap: 18px; }
@media (min-width: 992px) { .pgroup { grid-template-columns: repeat(2, 1fr); } }
.pg { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 18px; }
.pg h3 { font-size: 14px; margin-bottom: 14px; padding-bottom: 11px; border-bottom: 1px solid var(--c-line-2); }
.pg .tags span { font-size: 12.4px; padding: 5px 9px; }

/* ---------- 加工对象分组 ---------- */
.wpgs { display: grid; gap: 14px; }
.wpg { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 18px; }
.wpgs > .wpg { margin-bottom: 0; }
.wpg h3 { font-size: 15px; margin-bottom: 14px; padding-left: 11px; border-left: 2px solid var(--c-brand); }
.wpg-m { margin-top: 14px; }
.wpg-m .minis { grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 768px) { .wpg-m .minis { grid-template-columns: repeat(4, 1fr); } }
.wpg-m .mini { background: var(--c-soft); border-color: transparent; padding: 11px 13px; }

/* ---------- 关键词分组 ---------- */
.kwgs { display: grid; gap: 18px; }
@media (min-width: 992px) { .kwgs { grid-template-columns: repeat(2, 1fr); } }
.kwg { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 18px; }
.kwg h3 { font-size: 14px; margin-bottom: 14px; padding-bottom: 11px; border-bottom: 1px solid var(--c-line-2); }
.kwg .tags span { font-size: 12.4px; padding: 5px 9px; background: var(--c-soft); border-color: transparent; }

/* ---------- 案例空态 ---------- */
.emptycase {
    background: #fff; border: 1px dashed #C7D2DE; border-radius: var(--r-m);
    padding: 26px 22px; text-align: center;
}
.emptycase b { display: block; font-size: 15px; margin-bottom: 9px; color: var(--c-ink); }
.emptycase p { margin: 0 auto; max-width: 40em; font-size: 13.4px; color: var(--c-muted); line-height: 1.76; }
/* 项目级数据状态：不再是「空态」，而是「我们公开了什么、留空了什么的说明」 */
.emptycase-gap {
    text-align: left; border-style: solid; border-color: var(--c-line);
    margin-top: 28px; padding: 20px 22px;
}
.emptycase-gap p { margin: 0; max-width: none; }

/* ---------- 品牌落地页（/brand/） ---------- */
/* 品牌信息栏：品牌 / 所属企业与地区 / 主力机型 / 典型应用行业 */
.bmeta {
    display: grid; gap: 1px; background: var(--c-line);
    border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden;
    margin: 0 0 20px;
}
@media (min-width: 768px) { .bmeta { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .bmeta { grid-template-columns: repeat(4, 1fr); } }
.bmeta > div { background: #fff; padding: 16px 18px; }
.bmeta span {
    display: block; font-size: 11.5px; letter-spacing: .07em;
    color: var(--c-faint); margin-bottom: 7px;
}
.bmeta b {
    display: block; font-size: 15px; line-height: 1.45; font-weight: 700;
    color: var(--c-ink); letter-spacing: -.012em;
}
.bmeta b.sm { font-size: 13.4px; font-weight: 600; color: var(--c-body); line-height: 1.62; }
/* 正文导语（比 .note 重一档，比 h3 轻） */
.lead-p { font-size: 15.2px; line-height: 1.82; color: var(--c-body); margin: 0 0 6px; }

/* 品牌适配总览页：50 个品牌链接卡。注意与首页 .bcard（带图卡）区分，结构不同 */
.bcards { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .bcards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .bcards { grid-template-columns: repeat(3, 1fr); gap: 12px; } }
@media (min-width: 1200px) { .bcards { grid-template-columns: repeat(4, 1fr); } }
.bplink {
    display: block; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); padding: 15px 16px 16px;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.bplink:hover { border-color: var(--c-brand); box-shadow: var(--sh-s); }
.bplink b {
    display: block; font-size: 15px; color: var(--c-ink);
    margin-bottom: 5px; letter-spacing: -.012em;
}
.bplink:hover b { color: var(--c-brand-d); }
.bplink span {
    display: block; font-size: 12.4px; color: var(--c-muted);
    line-height: 1.55; margin-bottom: 6px;
}
.bplink i { display: block; font-style: normal; font-size: 12.2px; color: var(--c-faint); line-height: 1.58; }

/* 同类品牌横排（品牌页底部） */
.taglinks { display: flex; flex-wrap: wrap; gap: 8px; }
.taglinks a {
    display: inline-flex; align-items: baseline; gap: 7px;
    padding: 8px 13px; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-s); font-size: 13.6px; color: var(--c-ink); letter-spacing: -.01em;
}
.taglinks a:hover { border-color: var(--c-brand); color: var(--c-brand-d); }
.taglinks a i { font-style: normal; font-size: 11.8px; color: var(--c-faint); }
.taglinks a:hover i { color: var(--c-brand-d); }

/* 业务页上的「品牌落地页」入口：按机床类型分行挂品牌 */
.blinks { display: grid; gap: 14px; margin-top: 4px; }
.blinks .brow { display: grid; gap: 7px; }
@media (min-width: 768px) {
    .blinks .brow { grid-template-columns: 132px 1fr; align-items: start; gap: 14px; }
}
.blinks .brow > b {
    font-size: 12.6px; font-weight: 600; color: var(--c-muted);
    letter-spacing: .02em; padding-top: 8px;
}
.blinks .brow .taglinks a { font-size: 13.2px; padding: 7px 12px; }
.blinks .brow .taglinks a.all { border-color: var(--c-brand); color: var(--c-brand-d); font-weight: 600; }

/* ---------- 装机现场实拍墙（01 页案例） ---------- */
/* 3 列封顶：业务详情页正文列被侧栏压窄（1440 视口下仅 888px），4 列会缩到 210px 读不出内容 */
.casewall { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .casewall { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
.casewall figure {
    margin: 0; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); overflow: hidden;
}
.casewall img {
    display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
    background: var(--c-soft-2);
}
.casewall figcaption { padding: 11px 13px 13px; border-top: 1px solid var(--c-line-2); }
.casewall figcaption b {
    display: block; font-size: 13.6px; font-weight: 700; color: var(--c-head);
    letter-spacing: -.015em; line-height: 1.4;
}
.casewall figcaption em {
    display: block; font-style: normal; font-size: 12px; color: var(--c-muted);
    margin-top: 4px; line-height: 1.55;
}
.casewall-note { margin-top: 18px; }

/* ---------- 评估表单 ---------- */
.form-grid { display: grid; gap: 20px; }
.fset { border: 1px solid var(--c-line); border-radius: var(--r-m); background: #fff; padding: 18px 18px 4px; margin: 0; }
.fset legend {
    font-size: 12.5px; font-weight: 700; color: var(--c-navy);
    padding: 0 8px; margin-left: -4px; letter-spacing: .06em; text-transform: uppercase;
}
.fset .form { padding-bottom: 14px; }
.form-act { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 600px) { .form-act .btn { width: 100%; } }
.field input[type="file"] { padding: 10px 11px; font-size: 12.8px; background: var(--c-soft); }
.form-msg { font-size: 13.6px; color: var(--c-steel); }
.form-msg:empty { display: none; }

/* ---------- 对比表：首列固定宽度 ---------- */
table.spec-cmp td:first-child { background: var(--c-soft); position: sticky; left: 0; z-index: 1; }
@media (max-width: 767px) {
    table.spec { min-width: 0; font-size: 13px; }
}

/* ---------- 窄屏：规格表转卡片（补充收紧） ---------- */
@media (max-width: 767px) {
    .tbl-wrap { overflow-x: visible; border: 0; background: transparent; }
    table.spec, table.spec thead, table.spec tbody, table.spec tr, table.spec td { display: block; width: 100%; }
    table.spec thead { display: none; }
    table.spec tr {
        border: 1px solid var(--c-line); border-radius: var(--r-m);
        background: #fff !important; margin-bottom: 12px; padding: 6px 0;
    }
    table.spec td {
        border-bottom: 0; padding: 8px 16px; white-space: normal;
    }
    table.spec td::before {
        content: attr(data-th) "：";
        display: inline; font-weight: 700; color: var(--c-faint);
        font-size: 12px; margin-right: 4px;
    }
    table.spec td:first-child {
        background: var(--c-soft); font-weight: 700; margin-bottom: 4px; padding: 10px 16px;
    }
    table.spec td:first-child::before { content: ""; margin: 0; }
    table.spec-cmp td:first-child { position: static; }
}

/* ============================================================
   02｜CNC加工中心 / 铣床自动化 专用组件
   （六类设备卡片 / 视频卡 / 品牌折叠组）
   ============================================================ */

/* 六类加工设备卡片 */
.mcards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 20px 0 6px; }
.mcard {
    display: flex; flex-direction: column; overflow: hidden;
    border: 1px solid var(--c-line); border-radius: var(--r-m); background: #fff;
}
.mcard .fig, .mcard .fig-s { margin: 0; border-radius: 0; }
.mcard .fig img { display: block; width: 100%; height: auto; }
.mcard-b { padding: 20px 22px 22px; }
.mcard-b h3 { margin: 0 0 3px; font-size: 17px; letter-spacing: -.02em; }
.mcard-k {
    margin: 0 0 12px; font-size: 12px; font-weight: 700;
    color: var(--c-brand-d); letter-spacing: .04em; text-transform: uppercase;
}
.mcard-b > p { margin: 0 0 12px; font-size: 14px; line-height: 1.74; color: var(--c-body); }
.mcard-b .tags { margin: 0 0 12px; }
.mcard-b .note { margin: 0; font-size: 13px; line-height: 1.68; color: var(--c-muted); }

/* 视频卡：竖版视频 + 竖版封面保持比例 */
.vwrap {
    margin: 0; border-radius: var(--r-m); overflow: hidden;
    border: 1px solid var(--c-line); background: #000;
}
.vwrap video {
    display: block; width: 100%; height: auto;
    max-height: 560px; object-fit: cover; aspect-ratio: 576 / 1256;
    background: #000;
}
.two-video { align-items: start; }
.two-video .col > .note { margin-top: 12px; }

/* 品牌折叠组 */
.bgrp {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    background: #fff; margin-bottom: 14px; overflow: hidden;
}
.bgrp > summary {
    cursor: pointer; list-style: none; padding: 15px 20px;
    font-weight: 700; font-size: 15px; background: var(--c-soft);
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.bgrp > summary::-webkit-details-marker { display: none; }
.bgrp > summary::after {
    content: "＋"; font-weight: 400; color: var(--c-faint); font-size: 16px;
}
.bgrp[open] > summary::after { content: "－"; color: var(--c-brand); }
.bgrp-n {
    margin-left: auto; font-weight: 400; font-size: 12px;
    color: var(--c-faint);
}
.bgrp .tbl-wrap { padding: 0 0 6px; }
.bgrp table.spec { border: 0; }
.bgrp table.spec thead th { background: #fff; }

@media (max-width: 900px) {
    .mcards { grid-template-columns: 1fr; }
    .vwrap video { max-height: 420px; }
}

@media (max-width: 767px) {
    .bgrp > summary { padding: 14px 16px; font-size: 14px; }
    .vwrap video { max-height: 380px; }
}

/* ============================================================
   锚点定位：粘性头部不遮挡小节标题（全站通用）
   ============================================================ */
section[id], [id].sec, h2[id], h3[id] { scroll-margin-top: 96px; }
@media (max-width: 991px) {
    section[id], [id].sec, h2[id], h3[id] { scroll-margin-top: 80px; }
}

/* ============================================================
   03 钻攻加工中心上下料自动化 —— 专用组件
   ============================================================ */

/* 三列设备/工作站卡片 */
.mcards-3 { grid-template-columns: repeat(3, 1fr); }
.mcard-f { margin: 0 0 12px; font-size: 13.5px; line-height: 1.72; color: var(--c-body); }
.mcard-f b { color: var(--c-head); }
@media (max-width: 991px) { .mcards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .mcards-3 { grid-template-columns: 1fr; } }

/* OK / NG 分流 */
.okngs { display: grid; gap: 18px; margin: 18px 0 4px; }
@media (min-width: 768px) { .okngs { grid-template-columns: 1fr 1fr; gap: 22px; } }
.okng {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 18px 20px 20px; background: #fff;
}
.okng-h {
    display: inline-block; font-weight: 700; font-size: 12px; letter-spacing: .1em;
    padding: 3px 10px; border-radius: var(--r-s); margin-bottom: 12px;
}
.okng-h.ok { background: #E8F5EC; color: #1B6B3A; }
.okng-h.ng { background: #FDECEC; color: #A3232A; }
.okng p { margin: 0 0 12px; font-size: 14px; line-height: 1.78; color: var(--c-body); }
.okng .tags { margin: 0; }

/* 资料清单分组 */
.ckgs { display: grid; gap: 18px; margin: 18px 0 6px; }
@media (min-width: 768px) { .ckgs { grid-template-columns: 1fr 1fr; gap: 22px; } }
.ckg {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 18px 20px; background: #fff;
}
.ckg h3 {
    margin: 0 0 12px; font-size: 15px; letter-spacing: -.015em;
    padding-bottom: 10px; border-bottom: 1px solid var(--c-line-2);
}
.ckg ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 7px; }
.ckg li {
    font-size: 13px; line-height: 1.5; padding: 5px 10px;
    background: var(--c-soft); border-radius: var(--r-s); color: var(--c-body);
}

/* ============================================================
   04 智能料仓与自动供料系统 —— 专用组件
   ============================================================ */

/* 料仓类型信息卡（8 张，含 dl 字段表） */
.tcards { display: grid; gap: 20px; }
@media (min-width: 768px) { .tcards { grid-template-columns: 1fr 1fr; gap: 22px; } }
.tcard {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 20px 22px 22px; background: #fff;
}
.tcard h3 {
    margin: 0 0 14px; font-size: 16px; letter-spacing: -.02em;
    padding-bottom: 12px; border-bottom: 1px solid var(--c-line-2);
}
.tdl { margin: 0; display: grid; grid-template-columns: 96px 1fr; gap: 8px 14px; }
.tdl dt { font-size: 12.5px; line-height: 1.68; color: var(--c-faint); }
.tdl dd { margin: 0; font-size: 13.5px; line-height: 1.74; color: var(--c-steel); }
@media (max-width: 520px) {
    .tdl { grid-template-columns: 1fr; gap: 3px 0; }
    .tdl dt { margin-top: 8px; color: var(--c-muted); font-weight: 600; }
}

/* 结构形式示意（深色产品渲染图） */
.tfigs { display: grid; gap: 18px; margin: 18px 0 6px; }
@media (min-width: 768px) { .tfigs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .tfigs { grid-template-columns: repeat(4, 1fr); } }
.tfig {
    margin: 0; background: #0D1117; border-radius: var(--r-m); overflow: hidden;
    border: 1px solid #1D232C;
}
.tfig img { display: block; width: 100%; height: auto; }
.tfig figcaption {
    padding: 12px 14px; font-size: 12.5px; line-height: 1.66; color: #AEB9C7;
}

/* 联线层级（单机 / 双机 / 三机 / 多机） */
.lvls { display: grid; gap: 18px; margin: 18px 0 6px; }
@media (min-width: 768px) { .lvls { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .lvls { grid-template-columns: repeat(4, 1fr); } }
.lvl {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 18px 20px 20px; background: #fff;
}
.lvl-n {
    display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
    color: #fff; background: var(--c-navy); border-radius: var(--r-s);
    padding: 3px 10px; margin-bottom: 12px;
}
.lvl b { display: block; font-size: 14px; line-height: 1.58; margin-bottom: 8px; color: var(--c-ink); }
.lvl p { margin: 0; font-size: 13.5px; line-height: 1.74; color: var(--c-steel); }

/* 职责分工两栏 */
.splits { display: grid; gap: 20px; margin: 18px 0 6px; }
@media (min-width: 768px) { .splits { grid-template-columns: 1fr 1fr; gap: 22px; } }
.splits > .split {
    border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 18px 20px 20px; background: #fff;
}
.splits > .split h3 {
    margin: 0 0 14px; font-size: 15px; padding-bottom: 11px;
    border-bottom: 1px solid var(--c-line-2);
}

/* 宽幅产线图 */
.fig-wide img { width: 100%; height: auto; }

/* 来源标注与小字说明 */
.note-src { font-size: 12.5px; color: var(--c-faint); }
.lead-s { font-size: 14px; line-height: 1.78; color: var(--c-muted); margin: 0 0 16px; }

/* ============================================================
   05 机器人 / 桁架上下料 —— 环节链条（此前缺少样式）
   ============================================================ */
.rcs { display: grid; gap: 14px; margin: 18px 0 6px; }
@media (min-width: 768px) { .rcs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .rcs { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
.rc {
    position: relative; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); padding: 18px 20px 20px;
}
.rc b { display: block; font-size: 14.5px; margin-bottom: 7px; letter-spacing: -.015em; }
.rc b a:hover { color: var(--c-brand-d); }
.rc em {
    display: block; font-style: normal; font-family: var(--f-num);
    font-size: 12px; letter-spacing: .02em; color: var(--c-brand-d); margin-bottom: 9px;
}
.rc .rc-q { display: block; font-size: 13.2px; line-height: 1.68; color: var(--c-muted); }
.rc-self { background: var(--c-soft); border-color: var(--c-line); }
.rc-self em { color: var(--c-steel); }

/* ============================================================
   06 视觉柔性供料：场景卡 / 竖版图
   ============================================================ */
.scenes { display: grid; gap: 18px; }
@media (min-width: 768px) { .scenes { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1200px) { .scenes { grid-template-columns: repeat(3, 1fr); } }
.scene {
    position: relative; border: 1px solid var(--c-line); border-radius: var(--r-m);
    padding: 20px; background: #fff;
}
.scene-n {
    display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
    color: #fff; background: var(--c-navy); border-radius: var(--r-s);
    padding: 3px 10px; margin-bottom: 12px;
}
.scene h3 { margin: 0 0 14px; font-size: 15.5px; line-height: 1.52; }
.scene .minis { grid-template-columns: 1fr; }
@media (min-width: 768px) and (max-width: 1199px) { .scene .minis { grid-template-columns: 1fr 1fr; } }

/* 竖版图（竖屏素材）：限宽居中，避免拉满行宽后过高 */
.fig-tall { max-width: 460px; margin-left: auto; margin-right: auto; }
.fig-tall img { width: 100%; height: auto; }
@media (max-width: 767px) { .fig-tall { max-width: 100%; } }

/* ============================================================
   08 视觉检测：对照式成对卡片 + 公式块字段
   ============================================================ */
.pair { align-items: start; }
.pair-a p { margin: 5px 0 0; font-size: 12.6px; font-weight: 400; color: var(--c-muted); line-height: 1.66; }
.pair-b b { color: var(--c-brand-d); }

.formula .minis { grid-template-columns: 1fr; gap: 8px; margin-top: 14px; }
@media (min-width: 768px) { .formula .minis { grid-template-columns: 1fr 1fr; } }
.formula .mini { background: var(--c-soft); border-color: transparent; padding: 11px 13px; }

@media (max-width: 767px) {
    .spec td, .spec th { font-size: 12.6px; }
}

/* ==========================================================================
   首页专属板块：重点业务图文卡 / 业务卡子标签 / 分组折叠 / 技术方法 /
   应用场景 / 行业卡 / 底部入口卡矩阵
   ========================================================================== */

/* ---------- 重点业务图文卡 ---------- */
.feats { display: grid; gap: 20px; }
@media (min-width: 992px) { .feats { gap: 28px; } }
.feat {
    display: grid; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); overflow: hidden;
}
@media (min-width: 992px) {
    .feat { grid-template-columns: 1.06fr 1fr; }
    .feat-flip { grid-template-columns: 1fr 1.06fr; }
    .feat-flip .feat-ph { order: 2; }
    .feat-flip .feat-bd { order: 1; }
}
.feat-ph { position: relative; background: var(--c-soft-2); overflow: hidden; min-height: 210px; }
.feat-ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (min-width: 992px) { .feat-ph { min-height: 330px; } }
.feat-bd { padding: 26px 22px 28px; display: flex; flex-direction: column; }
@media (min-width: 768px) { .feat-bd { padding: 36px 34px 38px; } }
.feat-k {
    font-family: var(--f-num); font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
    color: var(--c-brand-d); margin-bottom: 12px;
}
.feat-bd h3 { font-size: 21px; margin-bottom: 12px; letter-spacing: -.01em; }
@media (min-width: 992px) { .feat-bd h3 { font-size: 24px; } }
.feat-lead { font-size: 14.6px; line-height: 1.82; color: var(--c-body); margin: 0 0 16px; }
.feat-pts { margin: 0 0 22px; padding: 0; list-style: none; display: grid; gap: 8px; }
.feat-pts li { position: relative; padding-left: 18px; font-size: 13.8px; line-height: 1.7; color: var(--c-muted); }
.feat-pts li::before { content: ""; position: absolute; left: 0; top: .66em; width: 7px; height: 1px; background: var(--c-brand); }
.feat-act { margin-top: auto; display: flex; flex-wrap: wrap; gap: 10px; }
.feat-act .btn { font-size: 13.5px; padding: 10px 18px; }

/* ---------- 业务卡：子方案标签 + 独立「查看详情」 ---------- */
.icard-lk { display: block; color: inherit; }
.icard-lk:hover h3 { color: var(--c-brand-d); }
.icard-go { display: block; padding: 0 20px 18px; font-size: 12.8px; font-weight: 700; color: var(--c-brand-d); }
.icard-go i, .meth-go i, .scene-go i, .entry-go i { font-style: normal; }
.itags {
    display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 20px 14px;
    border-top: 1px dashed var(--c-line-2);
}
.itags a {
    font-size: 12.2px; line-height: 1.5; padding: 4px 9px; border-radius: var(--r-s);
    background: var(--c-soft); color: var(--c-steel); font-weight: 600;
    transition: background .18s, color .18s;
}
.itags a:hover { background: var(--c-brand-l); color: var(--c-brand-d); }

/* ---------- 业务卡分组：桌面全展开、手机可折叠 ---------- */
.igrps { display: grid; gap: 28px; }
.igrp-h {
    display: flex; align-items: center; gap: 10px; cursor: pointer; list-style: none;
    font-size: 15px; font-weight: 700; color: var(--c-ink);
    padding: 0 0 14px; margin: 0; border-bottom: 1px solid var(--c-line);
}
.igrp-h::-webkit-details-marker { display: none; }
.igrp-h i { font-style: normal; font-size: 12px; font-weight: 600; color: var(--c-faint); font-family: var(--f-num); }
.igrp-x { margin-left: auto; position: relative; width: 14px; height: 14px; flex: 0 0 14px; display: none; }
.igrp-x::before, .igrp-x::after { content: ""; position: absolute; background: var(--c-muted); border-radius: 1px; }
.igrp-x::before { left: 0; top: 6px; width: 14px; height: 2px; }
.igrp-x::after { left: 6px; top: 0; width: 2px; height: 14px; transition: opacity .2s; }
.igrp[open] > .igrp-h .igrp-x::after { opacity: 0; }
.igrp-b { padding-top: 18px; }
@media (min-width: 768px) {
    .igrp-h { pointer-events: none; cursor: default; }
}
@media (max-width: 767px) {
    .igrps { gap: 0; }
    .igrp { padding: 15px 0; border-bottom: 1px solid var(--c-line-2); }
    .igrp-h { padding-bottom: 0; border-bottom: 0; }
    .igrp-x { display: block; }
    .igrp-b { padding-top: 15px; }
}

/* ---------- 技术方法（六项固定步骤） ---------- */
.meths { display: grid; gap: 26px; }
@media (min-width: 992px) { .meths { gap: 34px; } }
.meths-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .meths-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.meth {
    display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); padding: 24px 22px 22px; transition: border-color .2s, box-shadow .2s;
}
.meth:hover { border-color: #C7D2DE; box-shadow: var(--sh-m); }
.meth-tag {
    font-family: var(--f-num); font-size: 11.5px; font-weight: 700; letter-spacing: .1em;
    color: var(--c-brand-d); margin-bottom: 10px;
}
.meth h3 { font-size: 16.5px; margin-bottom: 10px; line-height: 1.44; }
.meth p { font-size: 13.8px; line-height: 1.78; color: var(--c-muted); margin: 0 0 18px; }
.meth-go { margin-top: auto; font-size: 12.8px; font-weight: 700; color: var(--c-brand-d); }
.meth-go:hover { color: var(--c-accent-h); }
.meth-strip {
    margin-top: 16px; display: flex; flex-direction: column; gap: 14px;
    background: var(--c-ink); color: #fff; border-radius: var(--r-m); padding: 24px 22px;
}
@media (min-width: 768px) {
    .meth-strip { flex-direction: row; align-items: center; justify-content: space-between; gap: 28px; padding: 26px 30px; }
}
.meth-strip b { display: block; font-size: 16px; margin-bottom: 6px; }
.meth-strip p { margin: 0; font-size: 13.6px; line-height: 1.7; color: rgba(255,255,255,.74); max-width: 760px; }
.meth-strip .btn { flex: 0 0 auto; align-self: flex-start; }
@media (min-width: 768px) { .meth-strip .btn { align-self: center; } }

/* ---------- 应用场景卡 ---------- */
.scenes { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .scenes { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .scenes-3 { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.scene {
    display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); padding: 24px 22px 20px; color: inherit;
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.scene:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); transform: translateY(-2px); }
.scene h3 { font-size: 16.5px; margin-bottom: 10px; }
.scene p { font-size: 13.8px; line-height: 1.78; color: var(--c-muted); margin: 0 0 18px; }
.scene-go { margin-top: auto; font-size: 12.8px; font-weight: 700; color: var(--c-brand-d); }

/* ---------- 行业卡 ---------- */
.indcs { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .indcs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .indcs-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
.indc {
    display: flex; flex-direction: column; gap: 10px; background: #fff; color: inherit;
    border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 22px 20px 18px;
    transition: border-color .2s, box-shadow .2s;
}
.indc:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); }
.indc b { font-size: 15.6px; color: var(--c-ink); }
.indc p { font-size: 13.4px; line-height: 1.74; color: var(--c-muted); margin: 0; }
.indc-objs { display: flex; flex-wrap: wrap; gap: 6px; }
.indc-objs span {
    font-size: 12px; padding: 3px 8px; border-radius: var(--r-s);
    background: var(--c-soft-2); color: var(--c-steel); font-weight: 600;
}
.indc .scene-go { margin-top: auto; padding-top: 4px; }

/* ---------- 底部入口卡矩阵 ---------- */
.entries { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .entries { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .entries-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .entries-5 { grid-template-columns: repeat(5, 1fr); gap: 14px; } }
.entry {
    display: flex; flex-direction: column; gap: 6px; background: #fff; color: inherit;
    border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 20px 18px 18px;
    transition: border-color .2s, box-shadow .2s;
}
.entry:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); }
.entry-k { font-family: var(--f-num); font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--c-faint); }
.entry b { font-size: 15.2px; color: var(--c-ink); }
.entry p { font-size: 12.8px; line-height: 1.68; color: var(--c-muted); margin: 0; }
.entry-go { margin-top: auto; padding-top: 12px; font-size: 12.4px; font-weight: 700; color: var(--c-brand-d); }

/* ---------- 品牌墙里可点进品牌落地页的品牌 ---------- */
.wall a { color: var(--c-ink); border-bottom: 1px solid var(--c-brand); padding-bottom: 2px; }
.wall a:hover { color: var(--c-brand-d); }

/* ---------- 「公司是做什么的」GEO 摘要区（注意：.geo 已被站内 GEO 区块占用，故用 .gintro） ---------- */
.gintro { max-width: 940px; }
.gintro-p {
    font-size: 15px; line-height: 1.95; color: var(--c-body);
    margin: 0 0 15px;
}
.gintro-p:last-of-type { margin-bottom: 0; }
.gintro-h3 {
    font-size: 15.5px; color: var(--c-ink); margin: 34px 0 14px;
    padding-left: 11px; border-left: 3px solid var(--c-brand); line-height: 1.25;
}
.gintro .links { margin-bottom: 4px; }
.gintro-tel { margin: 26px 0 0; font-size: 13.6px; color: var(--c-muted); }
.gintro-tel a {
    color: var(--c-brand-d); font-weight: 700; font-size: 18px;
    letter-spacing: .3px; margin-left: 6px; font-family: var(--f-num);
}

/* ---------- 全部方案一览（收尾卡 + 通栏按钮） ---------- */
.solall {
    margin-top: 28px; padding: 22px 22px 24px;
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m);
    display: flex; flex-direction: column; gap: 18px;
}
.solall-b b { display: block; font-size: 16.5px; color: var(--c-ink); margin-bottom: 9px; }
.solall-b p { margin: 0 0 16px; font-size: 13.8px; line-height: 1.8; color: var(--c-muted); }
.solall .btn { align-self: flex-start; }
@media (min-width: 992px) {
    .solall {
        flex-direction: row; align-items: center; justify-content: space-between;
        gap: 40px; padding: 24px 30px;
    }
    .solall-b { flex: 1; min-width: 0; }
    .solall-b p { margin-bottom: 14px; }
    .solall .btn { align-self: center; flex-shrink: 0; }
}

/* ---------- 板块收尾「查看全部 →」 ---------- */
.sec-more { margin: 20px 0 0; text-align: right; }
.sec-more a { font-size: 13.4px; font-weight: 700; color: var(--c-brand-d); }
.sec-more a:hover { color: var(--c-accent-h); }
.sec-more a i { font-style: normal; }

/* ==========================================================================
   18. 首页 nitr 框架区块：banner 轮播 / GEO 隐藏区 / 技术 Tab / 方案 Tab /
       场景卡 / 探索轮播 / 服务数据带（仅首页使用）
   ========================================================================== */

/* ---------- 18.1 首屏 Banner 轮播 ---------- */
.bn { position: relative; background: #080F1A; color: #fff; overflow: hidden; }
.bn-slide { position: relative; display: none; }
.bn-slide.on { display: block; }
.bn-bg { position: absolute; inset: 0; }
.bn-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; filter: grayscale(.3) contrast(1.05); }
.bn-bg::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(0deg, rgba(8,15,26,.45) 0%, rgba(8,15,26,0) 42%),
                linear-gradient(180deg, rgba(8,15,26,.78) 0%, rgba(8,15,26,.88) 58%, rgba(8,15,26,.96) 100%);
}
@media (min-width: 992px) {
    .bn-bg::after {
        background: linear-gradient(0deg, rgba(8,15,26,.4) 0%, rgba(8,15,26,0) 40%),
                    linear-gradient(94deg, rgba(8,15,26,.95) 0%, rgba(8,15,26,.85) 44%, rgba(8,15,26,.45) 100%);
    }
}
.bn-in { position: relative; padding-top: 74px; padding-bottom: 84px; }
@media (min-width: 768px) { .bn-in { padding-top: 112px; padding-bottom: 128px; } }
@media (min-width: 1200px) { .bn-in { padding-top: 148px; padding-bottom: 158px; } }
.bn-tag {
    display: inline-block; padding: 1px 0 1px 13px; margin-bottom: 20px;
    border-left: 2px solid var(--c-brand);
    font-size: 11.5px; font-weight: 700; letter-spacing: .1em; color: #DCE6F1;
}
.bn-title { font-size: 26px; font-weight: 700; line-height: 1.32; letter-spacing: -.025em; max-width: 19em; }
@media (min-width: 768px) { .bn-title { font-size: 36px; } }
@media (min-width: 1200px) { .bn-title { font-size: 44px; line-height: 1.26; } }
.bn-desc { margin-top: 18px; display: flex; flex-direction: column; gap: 6px; }
.bn-desc span { position: relative; padding-left: 15px; font-size: 13.5px; line-height: 1.8; color: #C3D0DF; }
.bn-desc span::before { content: ""; position: absolute; left: 0; top: .9em; width: 6px; height: 1px; background: var(--c-brand); }
@media (min-width: 768px) { .bn-desc span { font-size: 14.5px; } }
.bn-btn { margin-top: 32px; }
.bn-dots {
    position: absolute; left: 0; right: 0; bottom: 26px; z-index: 2;
    display: flex; justify-content: center; gap: 10px;
}
.bn-dots span {
    width: 22px; height: 3px; border-radius: 0; background: rgba(255,255,255,.28);
    cursor: pointer; transition: background .25s, width .25s;
}
.bn-dots span.on { width: 34px; background: var(--c-brand); }

/* ---------- 18.2 GEO 隐藏区（同 .sr：不占版面，保留给爬虫与 AI） ---------- */
.geo-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); padding: 0; margin: 0; }

/* ---------- 18.3 居中标题下的品牌色短横线 ---------- */
.sec-h.em-bar h2::after {
    content: ""; display: block; width: 42px; height: 3px;
    background: var(--c-brand); margin: 18px auto 0;
}
.sec-h.em-bar { margin-bottom: 48px; }

/* ---------- 18.4 技术方法：竖向 Tab + Bento 卡组 + 深色 CTA 横条 ---------- */
.ttabs-nav { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 10px; }
.tab-btn {
    flex-shrink: 0; padding: 10px 16px; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-s); font-size: 14px; font-weight: 600; color: var(--c-body);
    transition: color .18s, border-color .18s, background .18s;
}
.tab-btn:hover { color: var(--c-ink); border-color: var(--c-faint); }
.tab-btn.on { background: var(--c-brand); border-color: var(--c-brand); color: #fff; }
@media (min-width: 992px) {
    .ttabs { display: grid; grid-template-columns: 232px 1fr; gap: 28px; align-items: start; }
    .ttabs-nav { flex-direction: column; gap: 6px; overflow: visible; padding-bottom: 0; position: sticky; top: 108px; }
    .ttabs .tab-btn { text-align: left; padding: 14px 18px; font-size: 15px; background: none; border: 0; border-left: 2px solid var(--c-line); border-radius: 0; color: var(--c-muted); }
    .ttabs .tab-btn:hover { color: var(--c-ink); }
    .ttabs .tab-btn.on { background: var(--c-brand-l); border-left-color: var(--c-brand); color: var(--c-brand-d); }
}
.tab-panel { display: none; }
.tab-panel.on { display: block; }
.bento { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .bento { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1200px) { .bento { grid-template-columns: 1.5fr 1fr; } }
.bcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.bcard:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); }
.bcard-ph { aspect-ratio: 16 / 9; overflow: hidden; }
.bcard-ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.bcard:hover .bcard-ph img { transform: scale(1.035); }
.bcard-bd { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.bcard-k { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--c-brand-d); }
.bcard-bd h3 { font-size: 16.5px; line-height: 1.5; }
.bcard-bd p { margin: 0; font-size: 13.6px; line-height: 1.8; color: var(--c-muted); }
.bmore { margin-top: auto; padding-top: 12px; font-size: 13px; font-weight: 700; color: var(--c-brand-d); }
.bmore i { font-style: normal; }
.bcard-lg .bcard-bd h3 { font-size: 18.5px; }
@media (min-width: 1200px) { .bento { grid-template-rows: auto auto; } .bento .bcard-lg { grid-row: span 2; } }
.bcard-dark { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }
.bcard-dark .bcard-bd h3 { color: #fff; }
.bcard-dark .bcard-bd p { color: #A8BACA; }
.bcard-dark .bcard-k { color: var(--c-brand); }
.bcard-dark .bmore { color: var(--c-brand); }
.bcard-light { background: var(--c-brand-l); border-color: #F3DFCE; }
.cta-strip {
    margin-top: 16px; display: grid; grid-template-columns: 1fr; background: var(--c-ink); color: #fff;
    border-radius: var(--r-m); overflow: hidden;
}
@media (min-width: 768px) { .cta-strip { grid-template-columns: 42% 1fr; align-items: stretch; } }
.cta-strip-ph { min-height: 180px; }
.cta-strip-ph img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.cta-strip-bd { padding: 26px 28px; display: flex; flex-direction: column; gap: 18px; justify-content: center; align-items: flex-start; }
.cta-strip-bd h3 { font-size: 18px; line-height: 1.55; }
@media (min-width: 768px) { .cta-strip-bd { padding: 34px 38px; } .cta-strip-bd h3 { font-size: 20px; max-width: 22em; } }

/* ---------- 18.5 解决方案：药丸 Tab + 大图面板 ---------- */
.stabs-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 28px; }
.stabs .tab-btn { border-radius: var(--r-s); }
.spanel-img { width: 100%; height: 240px; object-fit: cover; border-radius: var(--r-m) var(--r-m) 0 0; }
@media (min-width: 768px) { .spanel-img { height: 360px; } }
.spanel-bd { background: #fff; border: 1px solid var(--c-line); border-top: 0; border-radius: 0 0 var(--r-m) var(--r-m); padding: 26px 24px 28px; }
@media (min-width: 768px) { .spanel-bd { padding: 32px 36px 36px; } }
.spanel-bd h3 { font-size: 19px; margin-bottom: 12px; }
.spanel-bd p { margin: 0 0 22px; font-size: 14.2px; line-height: 1.85; color: var(--c-muted); max-width: 62em; }

/* ---------- 18.6 应用场景图文卡 ---------- */
.ccard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.ccard:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); }
.ccard-ph { aspect-ratio: 16 / 10; overflow: hidden; }
.ccard-ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.ccard:hover .ccard-ph img { transform: scale(1.035); }
.ccard-bd { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ccard-bd h4 { font-size: 15.8px; }
.ccard-bd p { margin: 0; font-size: 13.2px; line-height: 1.78; color: var(--c-muted); }
.ccard .more { margin-top: auto; padding-top: 10px; font-size: 12.8px; font-weight: 700; color: var(--c-brand-d); }
.ccard .more i { font-style: normal; }

/* ---------- 18.7 探索新伙伴：深色横向轮播 ---------- */
.explore { background: #0A1220; color: #fff; padding: var(--sp) 0; }
.explore-hd { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 36px; }
.explore-tag { font-size: 12px; font-weight: 700; letter-spacing: .18em; color: #8FA3BA; margin-bottom: 12px; }
.explore-hd h2 { font-size: 22px; letter-spacing: -.02em; max-width: 24em; }
@media (min-width: 768px) { .explore-hd h2 { font-size: 30px; } }
.explore-ctrl { display: flex; gap: 10px; flex-shrink: 0; }
.xbtn {
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.32);
    background: none; color: #fff; font-size: 22px; line-height: 1;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background .18s, border-color .18s;
}
.xbtn:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.6); }
.explore-track {
    display: grid; grid-auto-flow: column; grid-auto-columns: 86%;
    gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory;
    padding-bottom: 8px; scrollbar-width: none;
}
.explore-track::-webkit-scrollbar { display: none; }
@media (min-width: 768px) { .explore-track { grid-auto-columns: calc((100% - 16px) / 2); } }
@media (min-width: 1200px) { .explore-track { grid-auto-columns: calc((100% - 32px) / 3); } }
.xcard { position: relative; scroll-snap-align: start; aspect-ratio: 4 / 4.6; overflow: hidden; border-radius: var(--r-m); display: block; }
.xcard-ph { position: absolute; inset: 0; }
.xcard-ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.xcard:hover .xcard-ph img { transform: scale(1.04); }
.xcard-grad { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,15,26,0) 34%, rgba(8,15,26,.55) 62%, rgba(8,15,26,.94) 100%); }
.xcard-bd { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 22px 24px; }
.xcard-lb { font-size: 11.5px; font-weight: 700; letter-spacing: .14em; color: #F0A468; margin-bottom: 10px; }
.xcard-bd h3 { font-size: 16.5px; line-height: 1.55; color: #fff; }
.xcard-info { margin-top: 12px; font-size: 12.8px; font-weight: 600; color: #C9D6E4; }
.xcard-info i { font-style: normal; }

/* ---------- 18.8 服务数据深色带 ---------- */
.serv { background: #080F1A; color: #fff; padding: calc(var(--sp) * .78) 0; text-align: center; }
.serv-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 36px 64px; margin-bottom: 30px; }
.serv-stat b { display: block; font-size: 34px; font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.serv-stat b .num { font-family: var(--f-num); }
.serv-stat b small { font-size: 15px; font-weight: 700; margin-left: 3px; color: #DCE6F1; }
.serv-stat i { display: block; font-style: normal; margin-top: 8px; font-size: 12.8px; color: #8FA3BA; letter-spacing: .02em; }
.serv-desc { margin: 0 auto 30px; max-width: 52em; font-size: 14.8px; line-height: 1.9; color: #AEBECF; }
.serv-act { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.serv-tel { margin: 26px 0 0; font-size: 13px; color: #8FA3BA; }
.serv-tel b { margin-left: 8px; font-size: 19px; font-weight: 800; color: #fff; font-family: var(--f-num); letter-spacing: .02em; }

/* ---------- 18.9 首页 FAQ（复用 .faq 手风琴，宽度收口） ---------- */
.home-faq { max-width: 980px; margin: 0 auto; }
.home-faq-more { margin: 24px 0 0; text-align: center; font-size: 13.4px; color: var(--c-muted); }
.home-faq-more a { color: var(--c-brand-d); font-weight: 600; }

/* ---------- 18.10 产品形态卡（产品页「可选形态」，源自公司画册） ---------- */
.forms { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .forms { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .forms { grid-template-columns: repeat(3, 1fr); } }
.formc { margin: 0; background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); overflow: hidden; display: flex; flex-direction: column; }
.formc-ph { background: #fff; border-bottom: 1px solid var(--c-line-2); padding: 10px; }
.formc-ph img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.formc figcaption { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; }
.formc figcaption b { font-size: 15px; color: var(--c-ink); }
.formc figcaption span { font-size: 13px; line-height: 1.72; color: var(--c-muted); }

/* ---------- 19. 知识网络组件（相关内容 / 知识中心 / 客户问题入口） ---------- */
.nnet { margin-top: 22px; }
.nnet > b { display: block; font-size: 13px; letter-spacing: .04em; color: var(--c-steel); margin-bottom: 10px; }
.nchips { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.nchip {
    display: inline-flex; align-items: center; padding: 7px 13px; border: 1px solid var(--c-line);
    border-radius: var(--r-s); background: #fff; font-size: 13.4px; color: var(--c-body);
    transition: border-color .18s, color .18s;
}
.nchip:hover { border-color: var(--c-brand); color: var(--c-brand-d); }

/* 知识中心：业务线知识卡 */
.kcards { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .kcards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .kcards { grid-template-columns: repeat(3, 1fr); } }
.kcard { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-m); padding: 20px 20px 18px; display: flex; flex-direction: column; }
.kcard-hd { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.kcard-no { font-family: var(--f-num); font-size: 12px; font-weight: 700; color: #fff; background: var(--c-brand); border-radius: var(--r-s); padding: 2px 7px; }
.kcard-hd b { font-size: 16px; color: var(--c-ink); }
.kcard-p { margin: 0 0 12px; font-size: 13px; line-height: 1.72; color: var(--c-muted); }
.kcard-list { list-style: none; margin: 0 0 14px; padding: 0; columns: 2; column-gap: 14px; }
.kcard-list li { margin: 0 0 7px; break-inside: avoid; }
.kcard-list a { font-size: 12.8px; color: var(--c-body); }
.kcard-list a:hover { color: var(--c-brand-d); }
.kcard-go { margin-top: auto; font-size: 12.8px; font-weight: 700; color: var(--c-brand-d); }
.kcard-go i { font-style: normal; }

/* 客户问题入口 */
.intents { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .intents { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .intents { grid-template-columns: repeat(3, 1fr); } }
.intent {
    display: flex; flex-direction: column; gap: 6px; background: #fff; border: 1px solid var(--c-line);
    border-radius: var(--r-m); padding: 18px 18px 16px; transition: border-color .2s, box-shadow .2s;
}
.intent:hover { border-color: var(--c-brand); box-shadow: var(--sh-m); }
.intent-no { font-family: var(--f-num); font-size: 11.5px; font-weight: 700; color: var(--c-faint); letter-spacing: .1em; }
.intent b { font-size: 15.4px; color: var(--c-ink); line-height: 1.5; }
.intent-nav { margin-top: 4px; font-size: 12.6px; color: var(--c-brand-d); font-weight: 600; }
.intent-nav i { font-style: normal; }

/* ---------- 20. 品牌方案页（50 篇成稿）排版组件 ---------- */
.prose { max-width: 62em; }
.prose p { margin: 0 0 14px; font-size: 15px; line-height: 1.92; color: var(--c-body); }
.plain-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 7px; }
@media (min-width: 768px) { .plain-list { grid-template-columns: repeat(2, 1fr); } }
.plain-list li { position: relative; padding-left: 15px; font-size: 14.6px; line-height: 1.78; color: var(--c-body); margin: 0; }
.plain-list li::before { content: ""; position: absolute; left: 0; top: .92em; width: 6px; height: 1px; background: var(--c-brand); }
.flow-list { list-style: none; counter-reset: fl; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
.flow-list li {
    counter-increment: fl; position: relative; margin: 0;
    background: var(--c-soft); border: 1px solid var(--c-line); border-radius: var(--r-s);
    padding: 10px 14px 10px 46px; font-size: 14.4px; line-height: 1.7; color: var(--c-body);
}
.flow-list li::before {
    content: counter(fl, decimal-leading-zero); position: absolute; left: 13px; top: 11px;
    font-family: var(--f-num); font-size: 11.5px; font-weight: 700; color: var(--c-brand-d);
}
.sub-h { font-size: 15.6px; margin: 22px 0 10px; color: var(--c-ink); }
.core-note { border-left: 3px solid var(--c-brand); background: var(--c-brand-l); border-radius: 0 var(--r-m) var(--r-m) 0; padding: 18px 20px; }
.core-note p { margin: 0; font-size: 15px; line-height: 1.9; color: var(--c-ink); }

/* ==== 首页「技术方法」第一步卡片：动画图卡，撑满卡片高度，消除底部留白 ==== */
.bcard-lg .bcard-ph{aspect-ratio:auto;flex:1 1 auto;min-height:320px;background:var(--c-soft-2);overflow:hidden}
.bcard-lg .bcard-bd{flex:0 0 auto}