/* decor.css — 页面装修组件样式（前后台共用，全部基于 .dc-root 的 CSS 变量） */
.dc-root {
  --d-bg: #fff; --d-ink: #101114; --d-sub: #6b7280; --d-line: #ececf0; --d-card: #fff;
  --d-brand: #111827; --d-brand-ink: #fff; --d-grad: linear-gradient(120deg, #f6f7f9, #e9ebf0);
  --d-radius: 10px; --d-radius-lg: 14px; --d-shadow: 0 1px 2px rgba(16, 24, 40, .05);
  --d-hero-ink: #101114; --d-chip: #f4f5f7; --d-wide: 1180px;
  --d-hl: linear-gradient(120deg, #2563eb, #06b6d4);
  /* 大气基线：版面节奏与层次变量 */
  --d-soft: color-mix(in srgb, var(--d-ink) 4%, transparent);
  --d-elev: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -12px rgba(16, 24, 40, .12);
  --d-elev-lg: 0 2px 4px rgba(16, 24, 40, .04), 0 30px 70px -24px rgba(16, 24, 40, .24);
  --d-sec-y: 88px;
  --d-sec-y-sm: 56px;
  --d-gap: 20px;
  background: var(--d-bg);
  color: var(--d-ink);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
.dc-root * { box-sizing: border-box; }
.dc-root button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
.dc-root img { max-width: 100%; display: block; }
.dc-root h1, .dc-root h2, .dc-root h3 { margin: 0; font-weight: 800; letter-spacing: -.03em; }
.dc-root p { margin: 0; }
.dc-page { min-height: 100%; overflow: clip; }

.dc-wrap { width: 100%; max-width: var(--d-wide); margin: 0 auto; padding: 0 28px; }
.dc-sec { position: relative; }
.dc-t-left { text-align: left; }
.dc-t-center { text-align: center; }
.dc-t-right { text-align: right; }

/* 通用元素 */
.dc-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 6px 14px; border-radius: 999px; background: var(--d-chip); color: var(--d-sub); font-size: 11.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.dc-eyebrow::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--d-brand); flex-shrink: 0; }
.dc-h1 { font-size: clamp(34px, 4.6vw, 62px); line-height: 1.08; letter-spacing: -.04em; }
.dc-h2 { font-size: clamp(25px, 3vw, 40px); line-height: 1.16; letter-spacing: -.035em; }
.dc-hl { font-style: normal; background: var(--d-hl); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
.dc-sub { margin-top: 16px; color: var(--d-sub); font-size: 15.5px; line-height: 1.75; }
.dc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 22px; border-radius: calc(var(--d-radius) * .85); font-size: 14.5px; font-weight: 600; transition: .2s; white-space: nowrap; }
.dc-btn-sm { height: 34px; padding: 0 16px; font-size: 13px; border-radius: calc(var(--d-radius) * .7); }
.dc-btn-lg { height: 50px; padding: 0 30px; font-size: 15.5px; border-radius: calc(var(--d-radius) * .95); }
.dc-btn-brand { background: var(--d-brand); color: var(--d-brand-ink); box-shadow: 0 10px 26px -6px color-mix(in srgb, var(--d-brand) 42%, transparent); }
.dc-btn-brand:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 16px 34px -8px color-mix(in srgb, var(--d-brand) 50%, transparent); }
.dc-btn-ghost { border: 1px solid var(--d-line); background: var(--d-card); color: var(--d-ink); }
.dc-btn-ghost:hover { border-color: color-mix(in srgb, var(--d-brand) 45%, var(--d-line)); color: var(--d-brand); transform: translateY(-1px); }
.dc-btn-dark { background: #14161c; color: #fff; }
.dc-btn-link { padding: 0; height: auto; color: var(--d-brand); text-decoration: underline; text-underline-offset: 4px; }

/* 导航 */
.dc-nav { border-bottom: 1px solid var(--d-line); background: color-mix(in srgb, var(--d-bg) 86%, transparent); backdrop-filter: blur(14px); }
.dc-nav.dc-sticky { position: sticky; top: 0; z-index: 30; }
.dc-nav-in { display: flex; align-items: center; gap: 34px; height: 72px; }
.dc-nav-logo { display: flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 800; letter-spacing: -.03em; white-space: nowrap; }
.dc-nav-dot { width: 20px; height: 20px; border-radius: 7px; background: var(--d-grad); flex-shrink: 0; box-shadow: 0 4px 12px -3px color-mix(in srgb, var(--d-brand) 55%, transparent); }
.dc-nav-menu { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0; overflow: hidden; }
.dc-nav-menu span { padding: 8px 13px; border-radius: 9px; color: var(--d-sub); font-size: 14px; font-weight: 500; white-space: nowrap; transition: .15s; }
.dc-nav-menu span:hover { background: var(--d-chip); color: var(--d-ink); }
.dc-nav-right { flex-shrink: 0; }

/* 公告 */
.dc-notice-sec { padding: 14px 0 0; }
.dc-notice { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-radius: var(--d-radius); background: var(--d-chip); color: var(--d-sub); font-size: 13px; }
.dc-notice p { flex: 1; min-width: 0; }
.dc-notice b { color: var(--d-brand); font-weight: 700; white-space: nowrap; }
.dc-notice-ic { flex-shrink: 0; }

/* 横幅 */
.dc-hero-sec { padding: 34px 0 10px; }
.dc-hero-sec.dc-bleed { padding: 0; }
.dc-hero { position: relative; display: flex; align-items: center; min-height: var(--h, 320px); padding: clamp(8px, 1.4vw, 22px); border-radius: var(--r, 24px); overflow: hidden; background-size: cover; background-position: center; isolation: isolate; }
.dc-bleed .dc-hero { border-radius: 0; padding: 0; min-height: calc(var(--h, 320px) + 70px); }
.dc-hero::before { content: ""; position: absolute; inset: 0; z-index: 0; }
.dc-hero-body { position: relative; z-index: 3; width: 100%; padding: clamp(34px, 5.2vw, 78px); color: var(--d-hero-ink); }
.dc-hero-center .dc-hero-body { text-align: center; }
.dc-hero-center .dc-hero-btns { justify-content: center; }
.dc-hero-bg-gradient { background-image: var(--d-grad); }
.dc-hero-bg-gradient::before { background-image: radial-gradient(120% 130% at 84% 4%, rgba(255, 255, 255, .9), transparent 58%), radial-gradient(90% 110% at 6% 98%, rgba(255, 255, 255, .65), transparent 60%); mix-blend-mode: soft-light; }
.dc-hero-bg-solid { background: var(--d-card); border: 1px solid var(--d-line); }
.dc-hero-bg-solid::before { background-image: radial-gradient(100% 130% at 88% 0%, var(--d-chip), transparent 62%); }
.dc-hero-bg-dark { background: linear-gradient(125deg, #0b0d14, #161a29 52%, #241f3c); color: #fff; --d-hero-ink: #fff; }
.dc-hero-bg-dark::before { background-image: radial-gradient(85% 120% at 86% 2%, color-mix(in srgb, var(--d-brand) 62%, transparent), transparent 60%), radial-gradient(60% 80% at 4% 100%, rgba(255, 255, 255, .12), transparent 58%); }
.dc-hero-bg-image { background-color: #12131a; }
.dc-hero-bg-image::before { background-image: linear-gradient(90deg, rgba(8, 10, 16, .82), rgba(8, 10, 16, .26)); }
.dc-hero-bg-image .dc-hero-body { color: #fff; --d-hero-ink: #fff; }
.dc-hero-bg-image .dc-eyebrow { background: rgba(255, 255, 255, .16); color: #fff; }
.dc-hero-bg-image .dc-eyebrow::before { background: #fff; }
.dc-hero-bg-image .dc-hero-sub { color: rgba(255, 255, 255, .82); }
.dc-hero-bg-dark .dc-eyebrow { background: rgba(255, 255, 255, .12); color: rgba(255, 255, 255, .9); }
.dc-hero-bg-dark .dc-eyebrow::before { background: #fff; }
.dc-hero-bg-dark .dc-hero-sub { color: rgba(255, 255, 255, .76); }
.dc-hero-bg-dark .dc-btn-ghost { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .26); color: #fff; }
.dc-hero-bg-dark .dc-hl, .dc-hero-bg-image .dc-hl { background-image: linear-gradient(120deg, #ffffff, #cfe4ff); }
.dc-hero-bg-image .dc-btn-ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .32); color: #fff; }
/* 渐变横幅上的对比度按风格修正 */
.dc-style-neon .dc-hero-bg-gradient .dc-hero-sub { color: rgba(255, 255, 255, .88); }
.dc-style-neon .dc-hero-bg-gradient .dc-btn-ghost { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .4); color: #fff; }
.dc-style-neon .dc-hero-bg-gradient .dc-hl { background-image: linear-gradient(120deg, #ffffff, #cbe6ff); }
.dc-style-cream .dc-hero-bg-gradient .dc-hero-sub { color: #6b4a26; }
.dc-style-cream .dc-hero-bg-gradient .dc-btn-ghost { background: rgba(255, 255, 255, .72); border-color: rgba(122, 74, 26, .25); color: #7a4a1e; }
.dc-style-cream .dc-hero-bg-gradient .dc-hl { background-image: linear-gradient(120deg, #8a4a12, #c2410c); }
.dc-hero-sub { margin-top: 20px; max-width: 680px; font-size: 16.5px; line-height: 1.8; color: var(--d-sub); }
.dc-hero-center .dc-hero-sub { margin-left: auto; margin-right: auto; }
.dc-hero-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
/* 首屏信任小字 */
.dc-hero-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; color: var(--d-sub); font-size: 13.5px; }
.dc-hero-center .dc-hero-meta { justify-content: center; }
.dc-hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.dc-hero-meta span::before { content: "✦"; color: var(--d-brand); font-size: 11px; }
.dc-hero-bg-dark .dc-hero-meta, .dc-hero-bg-image .dc-hero-meta { color: rgba(255, 255, 255, .74); }
.dc-hero-bg-dark .dc-hero-meta span::before, .dc-hero-bg-image .dc-hero-meta span::before { color: #fff; }

/* 搜索 */
.dc-search-sec { padding: 34px 0 0; }
.dc-search { max-width: 820px; margin: 0 auto; }
.dc-search-box { display: flex; align-items: center; gap: 12px; height: 62px; padding: 0 8px 0 22px; border: 1px solid var(--d-line); border-radius: calc(var(--d-radius-lg) + 4px); background: var(--d-card); box-shadow: var(--d-elev); }
.dc-search-box .dc-btn { height: 46px; padding: 0 24px; }
.dc-search-ic { color: var(--d-sub); font-size: 18px; }
.dc-search-ph { flex: 1; color: var(--d-sub); font-size: 15px; }
.dc-hot { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-top: 16px; }
.dc-hot span { padding: 6px 14px; border-radius: 999px; background: var(--d-chip); color: var(--d-sub); font-size: 12.5px; transition: .16s; }
.dc-hot span:hover { color: var(--d-brand); }

/* 标题 / 文本 */
.dc-title-sec { padding: var(--d-sec-y) 0 8px; }
.dc-title.dc-t-center { text-align: center; }
.dc-title .dc-h2 { max-width: 900px; }
.dc-title.dc-t-center .dc-h2 { margin-left: auto; margin-right: auto; }
.dc-title .dc-sub { max-width: 720px; }
.dc-title.dc-t-center .dc-sub { margin-left: auto; margin-right: auto; }
.dc-text-sec { padding: 20px 0; }
.dc-text { color: var(--d-sub); line-height: 1.95; }
.dc-root .dc-text.dc-t-center { margin-left: auto; margin-right: auto; }
.dc-btns-sec { padding: 26px 0; }
.dc-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.dc-btns.dc-t-center { justify-content: center; }
.dc-btns.dc-t-right { justify-content: flex-end; }

/* 分割 / 间距 */
.dc-div-sec { padding: 0; }
.dc-div { position: relative; height: 1px; background: var(--d-line); }
.dc-div-dashed { background: none; border-top: 1px dashed var(--d-line); }
.dc-div-gradient { background: linear-gradient(90deg, transparent, var(--d-line), transparent); }
.dc-div span { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 0 16px; background: var(--d-bg); color: var(--d-sub); font-size: 12.5px; }

/* 宫格 */
.dc-grid-sec { padding: 26px 0; }
.dc-grid { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: var(--d-gap); }
.dc-grid-item { position: relative; padding: 26px 22px 28px; border: 1px solid var(--d-line); border-radius: var(--d-radius-lg); background: var(--d-card); transition: .24s cubic-bezier(.2, .7, .3, 1); }
.dc-grid-item:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--d-brand) 38%, var(--d-line)); box-shadow: var(--d-elev); }
.dc-grid-ic { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--d-chip); font-size: 22px; transition: .24s; }
.dc-grid-item:hover .dc-grid-ic { background: color-mix(in srgb, var(--d-brand) 14%, var(--d-chip)); }
.dc-grid-item b { display: block; margin-top: 16px; font-size: 16.5px; letter-spacing: -.02em; }
.dc-grid-item p { margin-top: 7px; color: var(--d-sub); font-size: 13.5px; line-height: 1.72; }

/* 卡片 */
.dc-cards-sec { padding: 26px 0; }
.dc-cards { display: grid; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); gap: var(--d-gap); }
.dc-card { position: relative; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--d-line); border-radius: var(--r, 16px); background: var(--d-card); transition: .24s cubic-bezier(.2, .7, .3, 1); }
.dc-card:hover { transform: translateY(-5px); box-shadow: var(--d-elev-lg); border-color: transparent; }
.dc-card-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: var(--d-chip); transition: transform .5s; }
.dc-card:hover .dc-card-img { transform: scale(1.05); }
.dc-card-img.dc-ph { display: grid; place-items: center; color: var(--d-sub); font-size: 12px; }
.dc-card-tag { position: absolute; top: 12px; left: 12px; padding: 4px 11px; border-radius: 999px; background: rgba(12, 14, 20, .58); backdrop-filter: blur(8px); color: #fff; font-size: 11.5px; font-weight: 600; }
.dc-card-body { padding: 18px 20px 22px; }
.dc-card-body b { font-size: 16.5px; letter-spacing: -.02em; }
.dc-card-body p { margin-top: 8px; color: var(--d-sub); font-size: 13.5px; line-height: 1.72; }

/* 图片墙 */
.dc-gallery-sec { padding: 26px 0; }
.dc-gallery { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: var(--gap, 12px); }
.dc-gallery-item { overflow: hidden; border-radius: var(--r, 14px); background: var(--d-chip); }
.dc-gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2, .7, .3, 1); }
.dc-gallery-item:hover img { transform: scale(1.06); }
.dc-gallery-item.dc-ph { display: grid; place-items: center; color: var(--d-sub); font-size: 12px; }
.dc-ratio-1-1 { aspect-ratio: 1 / 1; }
.dc-ratio-4-3 { aspect-ratio: 4 / 3; }
.dc-ratio-3-4 { aspect-ratio: 3 / 4; }
.dc-ratio-16-9 { aspect-ratio: 16 / 9; }

/* 单图 / 通栏图 */
.dc-img-sec { padding: 26px 0; }
.dc-img { margin: 0; }
.dc-img.dc-t-center { margin-left: auto; margin-right: auto; }
.dc-img.dc-t-right { margin-left: auto; }
.dc-img-el { width: 100%; border-radius: 20px; object-fit: cover; }
.dc-img figcaption { margin-top: 14px; text-align: center; color: var(--d-sub); font-size: 13px; }
.dc-banner-sec { padding: 26px 0; }
.dc-banner { position: relative; display: flex; align-items: flex-end; min-height: var(--h, 300px); padding: clamp(28px, 4.4vw, 56px); border-radius: var(--r, 24px); background-size: cover; background-position: center; overflow: hidden; }
.dc-banner-mask::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, .78), rgba(0, 0, 0, .06) 62%); }
.dc-banner-body { position: relative; z-index: 2; color: #fff; }
.dc-banner-mask .dc-banner-body { color: #fff; }
.dc-banner:not(.dc-banner-mask) .dc-banner-body { color: var(--d-ink); }
.dc-banner-body h3 { font-size: clamp(24px, 2.8vw, 38px); letter-spacing: -.035em; }
.dc-banner-body p { margin-top: 12px; font-size: 15.5px; opacity: .9; }

/* 轮播 */
.dc-carousel-sec { padding: 26px 0; }
.dc-carousel { position: relative; overflow: hidden; border-radius: var(--r, 22px); background: var(--d-chip); }
.dc-carousel-track { display: flex; height: var(--h, 340px); transition: transform .6s cubic-bezier(.4, 0, .2, 1); }
.dc-carousel-item { position: relative; flex: 0 0 100%; height: 100%; }
.dc-carousel-item img { width: 100%; height: 100%; object-fit: cover; }
.dc-carousel-item span { position: absolute; left: 24px; bottom: 22px; padding: 6px 15px; border-radius: 999px; background: rgba(0, 0, 0, .55); backdrop-filter: blur(8px); color: #fff; font-size: 13px; font-weight: 600; }
.dc-dots { position: absolute; left: 0; right: 0; bottom: 20px; display: flex; gap: 6px; justify-content: center; }
.dc-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .5); transition: .2s; }
.dc-dots i.on { width: 22px; border-radius: 4px; background: #fff; }

/* 数据（整条带状，比四个盒子更大气） */
.dc-stats-sec { padding: 34px 0; }
.dc-stats { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: 0; border: 1px solid var(--d-line); border-radius: var(--d-radius-lg); background: var(--d-card); overflow: hidden; }
.dc-stat { position: relative; padding: 32px 24px; text-align: center; }
.dc-stat + .dc-stat::before { content: ""; position: absolute; left: 0; top: 22%; height: 56%; width: 1px; background: var(--d-line); }
.dc-stat b { display: block; font-size: clamp(28px, 3.4vw, 46px); font-weight: 900; letter-spacing: -.045em; line-height: 1.05; background: var(--d-hl); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dc-stat span { display: block; margin-top: 10px; color: var(--d-sub); font-size: 13px; }

/* 步骤 */
.dc-steps-sec { padding: 30px 0; }
.dc-steps { position: relative; display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: var(--d-gap); }
.dc-step { position: relative; padding: 26px 22px 28px; border-radius: var(--d-radius-lg); background: var(--d-chip); }
.dc-step-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--d-brand); color: var(--d-brand-ink); font-size: 14px; font-weight: 800; box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--d-brand) 70%, transparent); }
.dc-step b { display: block; margin-top: 16px; font-size: 16.5px; letter-spacing: -.02em; }
.dc-step p { margin-top: 7px; color: var(--d-sub); font-size: 13.5px; line-height: 1.72; }

/* 问答 */
.dc-faq-sec { padding: 26px 0; }
.dc-faq { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.dc-faq-item { border: 1px solid var(--d-line); border-radius: var(--d-radius-lg); background: var(--d-card); overflow: hidden; transition: .2s; }
.dc-faq-item:hover { border-color: color-mix(in srgb, var(--d-brand) 30%, var(--d-line)); }
.dc-faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 19px 22px; font-size: 15.5px; font-weight: 600; cursor: pointer; list-style: none; }
.dc-faq-item summary::-webkit-details-marker { display: none; }
.dc-faq-item summary i { width: 9px; height: 9px; border-right: 2px solid var(--d-sub); border-bottom: 2px solid var(--d-sub); transform: rotate(45deg); transition: .2s; flex-shrink: 0; margin-right: 3px; }
.dc-faq-item[open] summary i { transform: rotate(-135deg); }
.dc-faq-a { padding: 0 22px 20px; color: var(--d-sub); font-size: 14px; line-height: 1.85; }

/* 视频 */
.dc-video-sec { padding: 26px 0; }
.dc-video-title { margin-bottom: 16px; font-size: 20px; }
.dc-video { overflow: hidden; border-radius: var(--r, 20px); background: #0d0f14; box-shadow: var(--d-elev-lg); }
.dc-video video { width: 100%; height: 100%; object-fit: cover; display: block; }
.dc-video-ph { position: relative; width: 100%; height: 100%; background-size: cover; background-position: center; display: grid; place-items: center; }
.dc-play { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: rgba(255, 255, 255, .92); color: #111; font-size: 20px; box-shadow: 0 14px 40px rgba(0, 0, 0, .34); }

/* 分栏容器 */
.dc-columns { padding: 26px 0; }
.dc-colgrid { display: grid; grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr)); gap: var(--gap, 20px); align-items: start; }
.dc-col { display: flex; flex-direction: column; min-width: 0; }
.dc-col > .dc-blk:first-child > .dc-sec { padding-top: 0; }
.dc-col > .dc-blk:last-child > .dc-sec { padding-bottom: 0; }
.dc-col .dc-title-sec { padding: 6px 0 0; }
.dc-col .dc-grid-sec, .dc-col .dc-cards-sec, .dc-col .dc-gallery-sec, .dc-col .dc-img-sec, .dc-col .dc-columns { padding: 12px 0 0; }
.dc-columns.dc-col-card .dc-col { padding: 20px; border: 1px solid var(--d-line); border-radius: var(--d-radius-lg); background: var(--d-card); }

/* 图文左右（大板块） */
.dc-feature-sec { padding: var(--d-sec-y-sm) 0; }
.dc-feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.dc-feature.dc-feature-rev .dc-feature-media { order: 2; }
.dc-feature-copy { max-width: 560px; }
.dc-feature-copy .dc-h2 { font-size: clamp(24px, 2.6vw, 36px); }
.dc-feature-copy .dc-sub { font-size: 15px; }
.dc-feature-list { margin: 26px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.dc-feature-list li { position: relative; padding-left: 30px; color: var(--d-sub); font-size: 14.5px; line-height: 1.7; }
.dc-feature-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 18px; height: 18px; border-radius: 50%; background: color-mix(in srgb, var(--d-brand) 15%, transparent); }
.dc-feature-list li::after { content: ""; position: absolute; left: 6px; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--d-brand); }
.dc-feature-media { position: relative; }
.dc-feature-media img { width: 100%; aspect-ratio: 4 / 3; border-radius: var(--d-radius-lg); object-fit: cover; box-shadow: var(--d-elev-lg); }
.dc-feature-media .dc-ph { border-radius: var(--d-radius-lg); aspect-ratio: 4 / 3; }

/* 信任条 */
.dc-logos-sec { padding: 34px 0; }
.dc-logos { text-align: center; }
.dc-logos p { margin: 0 0 20px; color: var(--d-sub); font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase; }
.dc-logos-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(22px, 4vw, 56px); }
.dc-logos-row span { color: var(--d-sub); font-size: clamp(15px, 1.5vw, 19px); font-weight: 800; letter-spacing: -.02em; opacity: .62; transition: .2s; }
.dc-logos-row span:hover { opacity: 1; color: var(--d-ink); }

/* 通栏深色带 */
.dc-band-sec { padding: 0; }
.dc-band { padding: clamp(48px, 6vw, 84px) 0; background: linear-gradient(125deg, #0b0d14, #171a28 55%, #241f3c); color: #fff; }
.dc-band .dc-title-sec { padding: 0; }
.dc-band .dc-h2, .dc-band .dc-eyebrow, .dc-band .dc-sub { color: #fff; }
.dc-band .dc-eyebrow { background: rgba(255, 255, 255, .12); }
.dc-band .dc-sub { color: rgba(255, 255, 255, .74); }
.dc-band .dc-eyebrow::before { background: #fff; }

/* CTA */
.dc-cta-sec { padding: var(--d-sec-y-sm) 0; }
.dc-cta { position: relative; overflow: hidden; padding: clamp(44px, 6vw, 88px) clamp(28px, 5vw, 64px); border-radius: var(--r, 24px); text-align: center; }
.dc-cta::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(70% 100% at 50% 0%, rgba(255, 255, 255, .22), transparent 62%); pointer-events: none; }
.dc-cta > * { position: relative; z-index: 2; }
.dc-cta h2 { font-size: clamp(26px, 3.4vw, 44px); letter-spacing: -.04em; }
.dc-cta p { margin-top: 16px; font-size: 16px; opacity: .88; }
.dc-cta .dc-hero-btns { justify-content: center; margin-top: 32px; }
.dc-cta-brand { background: linear-gradient(120deg, var(--d-brand), color-mix(in srgb, var(--d-brand) 58%, #ff5fd2)); color: #fff; }
.dc-cta-brand .dc-btn-brand { background: #fff; color: var(--d-brand); box-shadow: 0 12px 30px rgba(0, 0, 0, .22); }
.dc-cta-brand .dc-btn-ghost { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .3); color: #fff; }
.dc-cta-dark { background: linear-gradient(120deg, #14161d, #232634); color: #fff; }
.dc-cta-dark .dc-btn-brand { background: #fff; color: #14161d; }
.dc-cta-dark .dc-btn-ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .25); color: #fff; }
.dc-cta-soft { background: var(--d-card); border: 1px solid var(--d-line); box-shadow: var(--d-elev); }
.dc-cta-gradient { background-image: var(--d-grad); }

/* 页脚 */
.dc-footer { padding: 64px 0 30px; border-top: 1px solid var(--d-line); background: color-mix(in srgb, var(--d-bg) 94%, var(--d-chip)); }
.dc-footer-in { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 32px; }
.dc-footer-main { max-width: 440px; }
.dc-footer-main .dc-nav-logo { font-size: 19px; }
.dc-footer-main p { margin-top: 14px; color: var(--d-sub); font-size: 13.5px; line-height: 1.85; }
.dc-footer-links { display: flex; flex-wrap: wrap; gap: 26px; }
.dc-footer-links span { color: var(--d-sub); font-size: 14px; transition: .16s; }
.dc-footer-links span:hover { color: var(--d-ink); }
.dc-footer-bot { max-width: var(--d-wide); margin: 34px auto 0; padding: 22px 28px 0; border-top: 1px solid var(--d-line); color: var(--d-sub); font-size: 12.5px; }
.dc-footer-icp { margin-left: 14px; display: inline-flex; gap: 14px; }
.dc-footer-icp a { color: var(--d-sub); text-decoration: none; }
.dc-footer-icp a:hover { color: var(--d-ink, inherit); }

/* 通用占位 */
.dc-ph { display: grid; place-items: center; background: var(--d-chip); color: var(--d-sub); font-size: 12px; }
.dc-spacer { width: 100%; }

/* 响应式 */
@media (max-width: 1100px) {
  .dc-grid[style*="--cols:6"], .dc-gallery[style*="--cols:6"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dc-grid, .dc-gallery, .dc-cards { grid-template-columns: repeat(min(var(--cols, 3), 3), minmax(0, 1fr)); }
  .dc-feature { grid-template-columns: 1fr; gap: 28px; }
  .dc-feature.dc-feature-rev .dc-feature-media { order: 0; }
}
@media (max-width: 820px) {
  .dc-root { --d-sec-y: 62px; --d-sec-y-sm: 44px; }
  .dc-wrap { padding: 0 18px; }
  .dc-nav-menu { display: none; }
  .dc-nav-right { margin-left: auto; }
  .dc-nav-right .dc-btn { display: none; }
  .dc-grid, .dc-gallery, .dc-cards, .dc-stats, .dc-steps, .dc-colgrid { grid-template-columns: repeat(min(var(--cols, 2), 2), minmax(0, 1fr)); }
  .dc-hero-body { padding: 34px 22px; }
  .dc-stat + .dc-stat::before { display: none; }
  .dc-stat { padding: 22px 16px; }
}
@media (max-width: 560px) {
  .dc-grid, .dc-gallery, .dc-cards, .dc-stats, .dc-steps, .dc-colgrid { grid-template-columns: 1fr; }
  .dc-footer-in, .dc-footer-links { flex-direction: column; gap: 16px; }
  .dc-h1 { font-size: clamp(30px, 9vw, 40px); }
}

/* 装修页面右上角语言切换（顶栏在装修模式下隐藏，按钮挂在导航右侧） */
.dc-nav-right { display: flex; align-items: center; gap: 12px; }
.dc-lang { flex-shrink: 0; }
.dc-lang-float { position: fixed; top: 16px; right: 22px; z-index: 90; }
.dc-lang .lang-btn { height: 36px; padding: 0 12px; border-radius: calc(var(--d-radius) * .8); border: 1px solid var(--d-line); background: var(--d-card); color: var(--d-sub); font-size: 13px; font-weight: 600; }
.dc-lang .lang-btn:hover { border-color: var(--d-brand); color: var(--d-brand); }
.dc-lang .lang-menu { top: calc(100% + 8px); border: 1px solid var(--d-line); background: var(--d-card); border-radius: var(--d-radius-lg); box-shadow: var(--d-elev-lg); z-index: 300; }
.dc-lang .lang-item { color: var(--d-ink); font-size: 13.5px; }
.dc-lang .lang-item:hover { background: var(--d-chip); }
.dc-lang .lang-item.on { color: var(--d-brand); }
.dc-inline { outline: 2px dashed var(--d-brand); outline-offset: 2px; border-radius: 4px; }