/* ==========================================================
   中德高路 · 科技风主题样式（官网主页 + 100 个专题页共用）
   纯 CSS，无第三方依赖
   ========================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

:root {
    --bg: #050a14;
    --bg-2: #081426;
    --bg-3: #0b1c33;
    --panel: rgba(255, 255, 255, .035);
    --panel-2: rgba(255, 255, 255, .06);
    --line: rgba(255, 255, 255, .10);
    --line-2: rgba(56, 225, 255, .28);
    --text: #e8f0fb;
    --muted: #8ea3c0;
    --dim: #5f7595;
    --cyan: #38e1ff;
    --violet: #7c6cff;
    --gold: #c9a063;
    --ok: #3ddc97;
    --max: 1200px;
    --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.wrap {
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 26px;
    position: relative;
    z-index: 2;
}

.mono {
    font-family: var(--mono);
    letter-spacing: .14em;
    text-transform: uppercase;
    font-size: 11px;
    color: var(--cyan);
}

.grad-text {
    background: linear-gradient(100deg, #ffffff 0%, #bfe9ff 40%, var(--cyan) 72%, var(--violet) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------------- 背景特效 ---------------- */
.bg-fx {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(900px 520px at 78% -10%, rgba(56, 225, 255, .16), transparent 62%),
        radial-gradient(760px 520px at 8% 12%, rgba(124, 108, 255, .16), transparent 65%),
        radial-gradient(900px 700px at 50% 110%, rgba(201, 160, 99, .08), transparent 60%),
        linear-gradient(180deg, #050a14 0%, #071021 55%, #050a14 100%);
}

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at 50% 20%, #000 20%, transparent 78%);
}

#fxCanvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: .55;
}

/* ---------------- 顶栏 ---------------- */
.top {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(5, 10, 20, .72);
    border-bottom: 1px solid var(--line);
}

.top .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 70px;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: #041018;
    background: linear-gradient(135deg, var(--cyan), #9bf1ff 45%, var(--violet));
    box-shadow: 0 0 24px rgba(56, 225, 255, .35);
    flex: 0 0 auto;
}

.brand-name { min-width: 0; }
.brand-name strong { display: block; font-size: 15.5px; letter-spacing: .06em; line-height: 1.3; }
.brand-name small {
    display: block;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .18em;
    color: var(--dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
}

.nav { display: flex; align-items: center; gap: 22px; font-size: 13.5px; color: var(--muted); }
.nav a { position: relative; padding: 6px 0; transition: color .18s; white-space: nowrap; }
.nav a:hover { color: var(--cyan); }
.nav a::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 1px;
    background: var(--cyan);
    transition: width .22s;
}
.nav a:hover::after { width: 100%; }

.lang { display: flex; gap: 4px; align-items: center; }

.lang button {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 11.5px;
    font-family: var(--mono);
    letter-spacing: .08em;
    padding: 5px 11px;
    border-radius: 6px;
    transition: .18s;
}

.lang button:hover { border-color: var(--line-2); color: var(--cyan); }
.lang button.active {
    background: linear-gradient(135deg, rgba(56, 225, 255, .18), rgba(124, 108, 255, .18));
    border-color: var(--line-2);
    color: #dff9ff;
    box-shadow: 0 0 18px rgba(56, 225, 255, .18) inset;
}

/* ---------------- 首屏 ---------------- */
.hero { position: relative; padding: 86px 0 0; overflow: hidden; }

.hero-inner { max-width: 860px; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    padding: 6px 15px;
    background: rgba(56, 225, 255, .06);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: #b9efff;
    margin-bottom: 26px;
}

.badge i {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 10px var(--ok);
    animation: pulse 2.4s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .45; transform: scale(.8); }
}

.hero h1 {
    font-size: clamp(32px, 5.2vw, 62px);
    line-height: 1.16;
    margin: 0 0 20px;
    letter-spacing: .01em;
    font-weight: 800;
}

.hero h1 .line2 { display: block; margin-top: 6px; }

.hero-sub {
    font-size: clamp(14px, 1.5vw, 16.5px);
    color: var(--muted);
    max-width: 46em;
    margin: 0 0 14px;
}

.hero-en {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .1em;
    color: rgba(201, 160, 99, .85);
    margin: 0 0 34px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 58px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 26px;
    border-radius: 8px;
    font-size: 14px;
    border: 1px solid transparent;
    transition: .2s;
}

.btn-primary {
    color: #04121c;
    font-weight: 700;
    background: linear-gradient(120deg, var(--cyan), #8ef0ff 50%, #b9b2ff);
    box-shadow: 0 12px 36px rgba(56, 225, 255, .22);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(56, 225, 255, .3); }

.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255, 255, 255, .02); }
.btn-ghost:hover { border-color: var(--line-2); color: var(--cyan); }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero-stats div { background: rgba(5, 10, 20, .6); padding: 26px 20px 28px; }

.hero-stats b {
    display: block;
    font-family: var(--mono);
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.1;
    color: #dff8ff;
    letter-spacing: .02em;
    text-shadow: 0 0 28px rgba(56, 225, 255, .35);
}

.hero-stats span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--dim); letter-spacing: .04em; }

/* ---------------- 区块 ---------------- */
section.sec { position: relative; padding: 84px 0; }

.sec-head { margin-bottom: 38px; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

.sec-head h2 {
    font-size: clamp(23px, 3vw, 34px);
    margin: 10px 0 10px;
    letter-spacing: .01em;
}

.sec-head p { margin: 0; color: var(--muted); font-size: 14px; max-width: 52em; }

.sec-line {
    height: 1px;
    background: linear-gradient(90deg, rgba(56, 225, 255, .55), rgba(124, 108, 255, .25), transparent);
    margin-top: 14px;
}

/* ---------------- 公司数据条 ---------------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }

.about-copy p { color: #b3c4da; font-size: 14.8px; margin: 0 0 16px; }
.about-copy strong { color: var(--cyan); font-weight: 600; }

.about-panel {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
    padding: 26px;
}

.about-panel h3 { margin: 0 0 18px; font-size: 14px; letter-spacing: .08em; color: var(--muted); font-weight: 600; }

.about-panel dl { margin: 0; display: grid; gap: 12px; }
.about-panel div { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; border-bottom: 1px dashed rgba(255, 255, 255, .08); padding-bottom: 11px; }
.about-panel div:last-child { border-bottom: 0; padding-bottom: 0; }
.about-panel dt { color: var(--dim); font-size: 13px; margin: 0; }
.about-panel dd { margin: 0; font-size: 13px; color: #d7e6f7; font-family: var(--mono); letter-spacing: .02em; text-align: right; }

/* ---------------- 服务卡 ---------------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.svc {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 26px 24px 28px;
    background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .012));
    overflow: hidden;
    transition: .24s;
}

.svc::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(56, 225, 255, .10), transparent 45%, rgba(124, 108, 255, .10));
    opacity: 0;
    transition: opacity .24s;
}

.svc:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 22px 50px rgba(0, 0, 0, .35); }
.svc:hover::before { opacity: 1; }

.svc .no { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .16em; }
.svc h3 { margin: 10px 0 8px; font-size: 16.5px; position: relative; }
.svc p { margin: 0; font-size: 13.5px; color: var(--muted); position: relative; }

/* ---------------- 100 个专题 ---------------- */
.topics-tools {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 18px;
}

.search {
    flex: 1 1 300px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .03);
    border-radius: 10px;
    padding: 0 15px;
    height: 44px;
}

.search svg { width: 16px; height: 16px; stroke: var(--dim); fill: none; stroke-width: 2; flex: 0 0 auto; }

.search input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--text);
    font-size: 13.5px;
    height: 100%;
}

.search input::placeholder { color: var(--dim); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }

.chips button {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .02);
    color: var(--muted);
    font-size: 12.5px;
    padding: 6px 14px;
    border-radius: 999px;
    transition: .18s;
}

.chips button:hover { border-color: var(--line-2); color: var(--cyan); }
.chips button.active {
    border-color: var(--line-2);
    color: #e6fbff;
    background: linear-gradient(120deg, rgba(56, 225, 255, .16), rgba(124, 108, 255, .16));
    box-shadow: 0 0 20px rgba(56, 225, 255, .12);
}

.topic-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--dim);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .12em;
    margin-bottom: 16px;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.tcell {
    position: relative;
    display: block;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px 16px 16px;
    background: rgba(255, 255, 255, .022);
    transition: .2s;
    overflow: hidden;
    min-height: 96px;
}

.tcell::after {
    content: "";
    position: absolute;
    right: -18px;
    bottom: -18px;
    width: 56px;
    height: 56px;
    border: 1px solid rgba(56, 225, 255, .18);
    transform: rotate(45deg);
    transition: .25s;
}

.tcell:hover {
    border-color: var(--line-2);
    background: linear-gradient(140deg, rgba(56, 225, 255, .09), rgba(124, 108, 255, .06));
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, .3);
}

.tcell:hover::after { border-color: rgba(56, 225, 255, .45); }

.tcell .id {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .16em;
    color: var(--cyan);
    opacity: .8;
}

.tcell .name {
    display: block;
    margin-top: 8px;
    font-size: 14.2px;
    line-height: 1.45;
    color: #e4eefb;
}

.tcell .arrow {
    position: absolute;
    right: 14px;
    top: 14px;
    color: var(--dim);
    font-size: 13px;
    transition: .2s;
}

.tcell:hover .arrow { color: var(--cyan); transform: translate(2px, -2px); }

.tcell.hide { display: none; }

.empty-tip {
    display: none;
    border: 1px dashed var(--line);
    border-radius: 12px;
    padding: 46px 20px;
    text-align: center;
    color: var(--dim);
    font-size: 13.5px;
}

.empty-tip.show { display: block; }

/* ---------------- 页脚 ---------------- */
.footer {
    border-top: 1px solid var(--line);
    padding: 34px 0 28px;
    margin-top: 20px;
    background: rgba(4, 8, 16, .6);
}

.footer .wrap { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; color: var(--dim); font-size: 12.5px; }
.footer a:hover { color: var(--cyan); }

/* ==========================================================
   专题页
   ========================================================== */
.topic-page .sec { padding: 48px 0; }
.topic-page .sec-head { margin-bottom: 22px; }

.topic-hero { padding: 48px 0 26px; position: relative; }

.crumb {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--dim);
    margin-bottom: 26px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.crumb a:hover { color: var(--cyan); }
.crumb .sep { color: rgba(255, 255, 255, .2); }

.topic-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .16em;
    color: var(--cyan);
    border: 1px solid var(--line-2);
    border-radius: 999px;
    padding: 5px 13px;
    background: rgba(56, 225, 255, .07);
}

.topic-hero h1 {
    font-size: clamp(28px, 4.2vw, 48px);
    line-height: 1.2;
    margin: 18px 0 16px;
    font-weight: 800;
    letter-spacing: .01em;
}

.topic-summary {
    font-size: clamp(14.5px, 1.5vw, 16.5px);
    color: #b6c7dd;
    max-width: 46em;
    margin: 0 0 22px;
}

.topic-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.topic-tags span {
    font-size: 12px;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, .02);
}

.topic-index {
    position: absolute;
    right: 26px;
    top: 34px;
    font-family: var(--mono);
    font-size: clamp(56px, 9vw, 120px);
    line-height: 1;
    font-weight: 700;
    letter-spacing: -.02em;
    color: transparent;
    -webkit-text-stroke: 1px rgba(56, 225, 255, .16);
    pointer-events: none;
    user-select: none;
}

.qa-list { display: grid; gap: 10px; }

details.qa {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: linear-gradient(160deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .012));
    overflow: hidden;
    transition: border-color .18s, box-shadow .18s;
}

details.qa[open] { border-color: var(--line-2); box-shadow: 0 14px 34px rgba(0, 0, 0, .3); }

details.qa summary {
    list-style: none;
    cursor: pointer;
    display: grid;
    grid-template-columns: 46px 1fr 22px;
    gap: 14px;
    align-items: start;
    padding: 18px 20px;
    font-size: 14.8px;
    color: #e3eefb;
    line-height: 1.6;
}

details.qa summary::-webkit-details-marker { display: none; }

details.qa summary .n {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--cyan);
    opacity: .75;
    padding-top: 3px;
}

details.qa summary .ic {
    color: var(--dim);
    text-align: center;
    font-size: 18px;
    line-height: 1;
    transition: transform .2s;
}

details.qa[open] summary .ic { transform: rotate(45deg); color: var(--cyan); }

details.qa .a {
    padding: 0 20px 20px 80px;
    color: #a9bcd4;
    font-size: 14px;
}

details.qa .a p { margin: 0; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.rcard {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px;
    background: rgba(255, 255, 255, .022);
    transition: .2s;
    display: block;
}

.rcard:hover { border-color: var(--line-2); background: rgba(56, 225, 255, .05); transform: translateY(-2px); }
.rcard .id { font-family: var(--mono); font-size: 10.5px; color: var(--cyan); opacity: .8; letter-spacing: .14em; }
.rcard .name { display: block; margin-top: 7px; font-size: 14px; color: #dfeaf8; }

.cta-band {
    margin-top: 56px;
    border: 1px solid var(--line-2);
    border-radius: 16px;
    padding: 34px 32px;
    background:
        radial-gradient(520px 200px at 88% 10%, rgba(56, 225, 255, .16), transparent 70%),
        linear-gradient(140deg, rgba(56, 225, 255, .06), rgba(124, 108, 255, .06));
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}

.cta-band h3 { margin: 0 0 8px; font-size: 19px; }
.cta-band p { margin: 0; color: var(--muted); font-size: 13.5px; }

.contact-lines { display: grid; gap: 6px; font-family: var(--mono); font-size: 12.5px; color: #cfe0f2; }
.contact-lines a:hover { color: var(--cyan); }

/* 语言区块 */
[data-l] { display: none; }
html[lang="zh-CN"] [data-l="zh"],
html[lang="en"] [data-l="en"],
html[lang="ru"] [data-l="ru"] { display: revert; }

/* 需要保持 flex/grid/block 的组件，单独兜底 */
.qa-list[data-l] { display: none; }
html[lang="zh-CN"] .qa-list[data-l="zh"],
html[lang="en"] .qa-list[data-l="en"],
html[lang="ru"] .qa-list[data-l="ru"] { display: grid; gap: 10px; }

.rcard .name[data-l] { display: none; }
html[lang="zh-CN"] .rcard .name[data-l="zh"],
html[lang="en"] .rcard .name[data-l="en"],
html[lang="ru"] .rcard .name[data-l="ru"] { display: block; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
    .topic-grid { grid-template-columns: repeat(3, 1fr); }
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
    .top .wrap { flex-wrap: wrap; gap: 8px; padding: 8px 0; }
    .nav {
        order: 3;
        width: 100%;
        gap: 16px;
        overflow-x: auto;
        font-size: 13px;
        padding-bottom: 2px;
        scrollbar-width: none;
    }
    .nav::-webkit-scrollbar { display: none; }
    .brand-name small { display: none; }

    .hero { padding-top: 56px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .topic-grid { grid-template-columns: repeat(2, 1fr); }
    .svc-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    section.sec { padding: 56px 0; }
    .topic-index { display: none; }
    details.qa summary { grid-template-columns: 32px 1fr 18px; gap: 10px; padding: 15px; font-size: 14px; }
    details.qa .a { padding: 0 16px 16px 57px; }
    .cta-band { padding: 24px; }
}

/* ---------------- 回到顶部 ---------------- */
.to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 60;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--line-2);
    background: rgba(6, 14, 26, .85);
    color: var(--cyan);
    font-size: 16px;
    opacity: 0;
    pointer-events: none;
    transition: .2s;
    backdrop-filter: blur(8px);
}

.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: rgba(56, 225, 255, .12); }

/* ==========================================================
   专题站差异化：8 套色板 × 3 种布局
   ========================================================== */

.topic-page { --line-2: rgba(56, 225, 255, .28); }

body.theme-1 { --cyan: #38e1ff; --violet: #7c6cff; --gold: #c9a063; --line-2: rgba(56, 225, 255, .30); }
body.theme-2 { --cyan: #ffc46b; --violet: #ff8a3d; --gold: #e6b277; --line-2: rgba(255, 196, 107, .30); }
body.theme-3 { --cyan: #3ddc97; --violet: #14b8a6; --gold: #a3e635; --line-2: rgba(61, 220, 151, .30); }
body.theme-4 { --cyan: #ff5d8f; --violet: #d946ef; --gold: #ffb3c7; --line-2: rgba(255, 93, 143, .30); }
body.theme-5 { --cyan: #60a5fa; --violet: #6366f1; --gold: #93c5fd; --line-2: rgba(96, 165, 250, .32); }
body.theme-6 { --cyan: #a3e635; --violet: #22c55e; --gold: #d9f99d; --line-2: rgba(163, 230, 53, .28); }
body.theme-7 { --cyan: #f59e0b; --violet: #ef4444; --gold: #fcd34d; --line-2: rgba(245, 158, 11, .30); }
body.theme-8 { --cyan: #a78bfa; --violet: #ec4899; --gold: #f0abfc; --line-2: rgba(167, 139, 250, .32); }

body.theme-1 .topic-hero { background-image: radial-gradient(620px 260px at 84% 0%, rgba(56, 225, 255, .10), transparent 72%); }
body.theme-2 .topic-hero { background-image: repeating-linear-gradient(135deg, rgba(255, 196, 107, .07) 0 1px, transparent 1px 30px); }
body.theme-3 .topic-hero { background-image: radial-gradient(rgba(61, 220, 151, .18) 1px, transparent 1px); background-size: 24px 24px; }
body.theme-4 .topic-hero { background-image: repeating-linear-gradient(45deg, rgba(255, 93, 143, .09) 0 1px, transparent 1px 26px); }
body.theme-5 .topic-hero { background-image: repeating-linear-gradient(90deg, rgba(96, 165, 250, .09) 0 1px, transparent 1px 36px); }
body.theme-6 .topic-hero { background-image: radial-gradient(rgba(163, 230, 53, .16) 1px, transparent 1px); background-size: 32px 32px; }
body.theme-7 .topic-hero { background-image: linear-gradient(90deg, rgba(245, 158, 11, .12), transparent 46%); }
body.theme-8 .topic-hero { background-image: radial-gradient(560px 280px at 12% 10%, rgba(236, 72, 153, .12), transparent 70%); }

/* 徽章与专属说明 */
.hero-badges { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 0 0 12px; }

.exclusive-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .12em;
    font-weight: 700;
    color: #04121c;
    border-radius: 999px;
    padding: 5px 13px;
    background: linear-gradient(120deg, var(--cyan), var(--violet));
    box-shadow: 0 0 22px rgba(56, 225, 255, .18);
}

.exclusive-note {
    font-size: 12.5px;
    color: var(--dim);
    border-left: 2px solid var(--gold);
    padding-left: 12px;
    margin: 18px 0 0;
    max-width: 54em;
}

/* 公司速览侧栏（布局 C 才显示） */
.hero-aside {
    display: none;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .012));
}

.hero-aside .aside-title {
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .16em;
    color: var(--dim);
    margin-bottom: 14px;
}

.hero-aside dl { margin: 0; display: grid; gap: 12px; }
.hero-aside dl div { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; border-bottom: 1px dashed rgba(255, 255, 255, .08); padding-bottom: 10px; }
.hero-aside dl div:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-aside dt { color: var(--dim); font-size: 12px; margin: 0; }
.hero-aside dd { margin: 0; font-family: var(--mono); font-size: 12.5px; color: #dbeafe; text-align: right; }

/* 布局 B：居中 */
body.layout-b .topic-hero { text-align: center; }
body.layout-b .topic-hero .wrap { max-width: 880px; }
body.layout-b .crumb { justify-content: center; }
body.layout-b .hero-badges { justify-content: center; }
body.layout-b .topic-tags { justify-content: center; }
body.layout-b .exclusive-note { margin-left: auto; margin-right: auto; text-align: left; }
body.layout-b .topic-index { left: 50%; right: auto; transform: translateX(-50%); opacity: .45; }

/* 布局 C：左文 + 右侧公司速览 */
body.layout-c .topic-hero .wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: 40px;
    align-items: start;
}

body.layout-c .crumb { grid-column: 1 / -1; }
body.layout-c .hero-badges,
body.layout-c .topic-hero > .wrap > [data-l],
body.layout-c .exclusive-note { grid-column: 1; }
body.layout-c .hero-aside { display: block; grid-column: 2; grid-row: 2 / span 5; }
body.layout-c .topic-index { opacity: .3; }
body.layout-c .qa, body.layout-c .rcard, body.layout-c .exp { border-radius: 3px; }
body.layout-c .sec-head h2 { border-left: 2px solid var(--cyan); padding-left: 14px; }

/* 出口战略区块 */
.export-sec { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .012); }

.export-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.exp {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px 20px 24px;
    background: linear-gradient(160deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .008));
    transition: .2s;
}

.exp:hover { border-color: var(--line-2); transform: translateY(-2px); }
.exp .no { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; color: var(--cyan); }
.exp h3 { margin: 8px 0 8px; font-size: 16px; }
.exp p { margin: 0; color: var(--muted); font-size: 13.5px; }

.export-links { margin-top: 20px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.export-links a { border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 12.5px; color: var(--muted); transition: .18s; }
.export-links a:hover { border-color: var(--line-2); color: var(--cyan); }
.export-links .mono { margin-right: 4px; }

@media (max-width: 1080px) {
    body.layout-c .topic-hero .wrap { display: block; }
    body.layout-c .hero-aside { display: none; }
    .export-grid { grid-template-columns: 1fr; }
}