/* 多多批车官网 · 2026-10-29 正式站视觉版 */
:root {
  --dd-blue: #163B70;
  --dd-blue-2: #285D9F;
  --dd-blue-deep: #0B2547;
  --dd-blue-ink: #102F55;
  --dd-orange: #FF7A1A;
  --dd-orange-dark: #E9620B;
  --dd-orange-soft: #FFF1E5;
  --dd-green: #159A63;
  --ink: #172230;
  --ink-2: #566273;
  --ink-3: #8994A3;
  --line: #E2E7ED;
  --line-2: #EDF0F4;
  --bg: #F5F6F8;
  --card: #FFFFFF;
  --radius: 18px;
  --radius-sm: 11px;
  --shadow: 0 8px 30px rgba(15, 42, 76, .07);
  --shadow-2: 0 18px 45px rgba(15, 42, 76, .13);
  --maxw: 1200px;
  --price-red: #ED6415;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font: 15px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(255, 122, 26, .35); outline-offset: 3px; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.dot { display: inline-block; width: 3px; height: 3px; margin: 0 8px; border-radius: 50%; background: var(--ink-3); vertical-align: middle; }

/* 顶部导航 */
.site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid rgba(226, 231, 237, .9); background: rgba(255, 255, 255, .96); box-shadow: 0 3px 18px rgba(15, 42, 76, .04); backdrop-filter: blur(16px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 28px; }
.brand { display: flex; flex: 0 0 auto; align-items: center; gap: 12px; }
.brand img.logo { width: 44px; height: 44px; flex: 0 0 auto; border-radius: 12px; object-fit: contain; background: #fff; }
.brand .wordmark { color: var(--dd-blue-deep); font-size: 24px; font-weight: 850; letter-spacing: 1px; line-height: 1.05; white-space: nowrap; }
.brand .wordmark small { display: block; margin-top: 6px; color: var(--ink-3); font-size: 9px; font-weight: 650; letter-spacing: 1.7px; }
.nav-links { display: flex; flex: 1 1 auto; align-items: center; justify-content: flex-end; gap: 28px; min-width: 0; }
.nav-links a { position: relative; padding: 8px 0; color: var(--ink-2); font-size: 14px; font-weight: 550; white-space: nowrap; transition: color .2s; }
.nav-links a:hover { color: var(--dd-orange-dark); }
.nav-links a.active { color: var(--dd-blue-deep); font-weight: 750; }
.nav-links a.active::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; border-radius: 3px; background: var(--dd-orange); content: ""; }
.nav-links .nav-cta { margin-left: 4px; padding: 11px 21px; border-radius: 11px; color: #fff; background: var(--dd-orange); box-shadow: 0 8px 20px rgba(255, 122, 26, .22); font-weight: 700; }
.nav-links .nav-cta:hover { color: #fff; background: var(--dd-orange-dark); }
.nav-links .nav-cta::after { display: none; }

/* 首页主视觉 */
.hero { position: relative; overflow: hidden; padding: 56px 0 0; color: #fff; background: radial-gradient(circle at 85% 12%, rgba(51, 111, 181, .46), transparent 34%), linear-gradient(128deg, #091F3B 0%, var(--dd-blue-deep) 48%, #173E70 100%); }
.hero::before { position: absolute; top: -210px; right: -120px; width: 520px; height: 520px; border: 1px solid rgba(255, 255, 255, .07); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255, 255, 255, .025), 0 0 0 140px rgba(255, 255, 255, .018); content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: 58px; }
.hero-copy { padding: 12px 0 42px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 9px; color: rgba(255, 255, 255, .76); font-size: 12px; font-weight: 700; letter-spacing: 1.3px; }
.hero-eyebrow > span { width: 7px; height: 7px; border-radius: 50%; background: var(--dd-orange); box-shadow: 0 0 0 5px rgba(255, 122, 26, .12); }
.hero h1 { max-width: 650px; margin: 19px 0 18px; font-size: clamp(40px, 4.5vw, 58px); font-weight: 850; letter-spacing: -1.8px; line-height: 1.12; }
.hero h1 em { color: #FF943F; font-style: normal; }
.hero p.sub { max-width: 590px; margin: 0 0 27px; color: rgba(255, 255, 255, .74); font-size: 16px; line-height: 1.85; }
.search-bar { display: flex; align-items: center; gap: 10px; max-width: 620px; margin: 0; padding: 8px; border: 1px solid rgba(255, 255, 255, .25); border-radius: 14px; background: #fff; box-shadow: 0 18px 36px rgba(3, 17, 35, .2); }
.search-icon { flex: 0 0 auto; margin-left: 10px; color: var(--dd-blue); font-size: 25px; font-weight: 700; line-height: 1; }
.search-bar input[type="text"] { width: 100%; min-width: 0; padding: 11px 4px; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 14px; }
.search-bar input[type="text"]::placeholder { color: #98A2AF; }
.search-bar .search-btn { flex: 0 0 auto; padding: 12px 22px; border: 0; border-radius: 10px; color: #fff; background: var(--dd-orange); cursor: pointer; font-size: 14px; font-weight: 750; transition: background .2s, transform .2s; }
.search-bar .search-btn:hover { background: var(--dd-orange-dark); transform: translateY(-1px); }
.hero-quick { display: flex; align-items: center; gap: 15px; margin-top: 17px; color: rgba(255, 255, 255, .5); font-size: 12px; }
.hero-quick a { color: rgba(255, 255, 255, .8); }
.hero-quick a:hover { color: #FFAA66; }
.hero-showcase { position: relative; display: block; overflow: hidden; margin-bottom: 34px; border: 1px solid rgba(255, 255, 255, .24); border-radius: 22px; background: #fff; box-shadow: 0 28px 60px rgba(2, 15, 31, .34); transform: rotate(1.2deg); transition: transform .3s; }
.hero-showcase:hover { transform: rotate(0) translateY(-4px); }
.showcase-media { aspect-ratio: 4 / 3; overflow: hidden; background: #E8EDF2; }
.showcase-media img { width: 100%; height: 100%; object-fit: cover; }
.showcase-top { position: absolute; top: 15px; left: 15px; display: flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 999px; color: #fff; background: rgba(9, 31, 59, .82); backdrop-filter: blur(8px); font-size: 11px; font-weight: 650; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: #58D99D; }
.showcase-caption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 19px; color: var(--ink); background: #fff; }
.showcase-caption small { display: block; margin-bottom: 2px; color: var(--ink-3); font-size: 11px; }
.showcase-caption strong { color: var(--dd-blue-deep); font-size: 21px; }
.showcase-caption > span { color: var(--dd-orange-dark); font-size: 12px; font-weight: 700; white-space: nowrap; }
.hero-stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .12); }
.hero-stats .stat { padding: 24px 26px 25px 0; }
.hero-stats .stat + .stat { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hero-stats .stat b { display: block; margin-bottom: 2px; color: #fff; font-size: 25px; font-weight: 800; }
.hero-stats .stat span { color: rgba(255, 255, 255, .58); font-size: 12px; }

/* 内容区块 */
.trust-strip { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 28px; padding: 22px 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.trust-strip > div { padding: 0 24px; }
.trust-strip > div + div { border-left: 1px solid var(--line-2); }
.trust-strip strong { display: block; margin-bottom: 3px; color: var(--dd-blue-deep); font-size: 14px; }
.trust-strip span { display: block; color: var(--ink-3); font-size: 11px; line-height: 1.55; }
.section { margin: 62px 0; }
.hot-section { margin-top: 58px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.section-kicker { display: block; margin-bottom: 5px; color: var(--dd-orange-dark); font-size: 10px; font-weight: 800; letter-spacing: 1.8px; }
.section-head h2, .filter-heading h2, .result-meta h2 { margin: 0; color: var(--dd-blue-deep); font-size: 27px; font-weight: 800; letter-spacing: -.5px; line-height: 1.3; }
.section-head p { margin: 6px 0 0; color: var(--ink-3); font-size: 13px; }
.section-link { display: inline-flex; align-items: center; gap: 8px; color: var(--dd-blue); font-size: 13px; font-weight: 700; white-space: nowrap; }
.section-link span { color: var(--dd-orange); font-size: 18px; transition: transform .2s; }
.section-link:hover { color: var(--dd-orange-dark); }
.section-link:hover span { transform: translateX(3px); }
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 17px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink-2); background: #fff; cursor: pointer; font-size: 13px; transition: all .2s; }
.chip:hover { border-color: #FFB47C; color: var(--dd-orange-dark); background: #FFFAF6; }
.chip.active { border-color: var(--dd-blue); color: #fff; background: var(--dd-blue); box-shadow: 0 7px 16px rgba(22, 59, 112, .15); }

/* 服务与流程 */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature { position: relative; overflow: hidden; min-height: 208px; padding: 25px 23px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .2s, box-shadow .2s; }
.feature:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.feature-num { position: absolute; top: 17px; right: 19px; color: #E6EBF1; font-size: 27px; font-weight: 850; }
.feature .ico { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-bottom: 20px; border-radius: 12px; color: var(--dd-orange-dark); background: var(--dd-orange-soft); font-size: 23px; font-weight: 700; }
.feature h3 { margin: 0 0 8px; color: var(--dd-blue-deep); font-size: 17px; }
.feature p { margin: 0; color: var(--ink-2); font-size: 12px; line-height: 1.8; }
.process-section { padding: 42px 42px 46px; border-radius: 24px; background: #EAF0F7; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.flow-step { position: relative; padding: 3px 28px 3px 0; }
.flow-step + .flow-step { padding-left: 28px; border-left: 1px solid #CFDAE6; }
.flow-step .num { display: flex; align-items: center; justify-content: center; width: 35px; height: 35px; margin-bottom: 16px; border-radius: 10px; color: #fff; background: var(--dd-blue); font-size: 14px; font-weight: 800; }
.flow-step h3 { margin: 0 0 7px; color: var(--dd-blue-deep); font-size: 16px; }
.flow-step p { margin: 0; color: var(--ink-2); font-size: 12px; line-height: 1.75; }

/* 车源卡片 */
.car-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 21px; }
.car-card { display: flex; overflow: hidden; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 4px 16px rgba(15, 42, 76, .035); transition: transform .25s, box-shadow .25s, border-color .25s; }
.car-card:hover { border-color: #C9D4E1; box-shadow: var(--shadow-2); transform: translateY(-5px); }
.car-card.real { border-color: #E0E6ED; }
.car-card .thumb { position: relative; display: block; overflow: hidden; aspect-ratio: 3 / 2; background: #E9EDF1; }
.car-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.car-card:hover .thumb img { transform: scale(1.035); }
.badges { position: absolute; top: 12px; left: 12px; z-index: 2; display: flex; flex-wrap: wrap; gap: 6px; }
.badge { padding: 5px 9px; border-radius: 7px; color: #fff; font-size: 10px; font-weight: 750; line-height: 1.2; box-shadow: 0 3px 8px rgba(0, 0, 0, .12); }
.badge.top { background: #C89520; }
.badge.ws { background: var(--dd-blue); }
.badge.real { background: var(--dd-orange); }
.img-count { position: absolute; right: 12px; bottom: 12px; z-index: 2; padding: 4px 9px; border-radius: 7px; color: #fff; background: rgba(9, 25, 43, .72); backdrop-filter: blur(5px); font-size: 10px; }
.car-card .body { display: flex; flex: 1; flex-direction: column; gap: 8px; padding: 17px 18px 16px; }
.card-source { color: var(--dd-orange-dark); font-size: 10px; font-weight: 700; letter-spacing: .5px; }
.car-card .title { min-height: 44px; margin: 0; color: var(--dd-blue-deep); font-size: 16px; font-weight: 720; line-height: 1.45; }
.car-card .title a:hover { color: var(--dd-orange-dark); }
.meta { color: var(--ink-2); font-size: 12px; line-height: 1.6; }
.price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.price .pt-num { color: var(--price-red); font-size: 22px; font-weight: 850; letter-spacing: -.4px; }
.price .pt-tip { color: var(--dd-green); font-size: 11px; font-weight: 700; }
.price-usd { color: var(--ink-3); font-size: 10px; font-weight: 550; }
.tag-row, .d-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 3px 8px; border: 1px solid #FFE0C5; border-radius: 6px; color: var(--dd-orange-dark); background: #FFF8F2; font-size: 10px; font-weight: 650; }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line-2); font-size: 11px; }
.foot .shop { overflow: hidden; color: var(--ink-2); text-overflow: ellipsis; white-space: nowrap; }
.foot .time { color: var(--ink-3); white-space: nowrap; }
.card-link { flex: 0 0 auto; color: var(--dd-blue); font-weight: 700; }
.card-link:hover { color: var(--dd-orange-dark); }
.car-card.mini .body { padding: 15px; }

/* 列表页 */
.list-hero { padding: 38px 0; color: #fff; background: linear-gradient(120deg, var(--dd-blue-deep), #19497F); }
.list-hero-inner { display: grid; grid-template-columns: 1fr minmax(390px, .8fr); align-items: center; gap: 45px; }
.list-hero h1 { margin: 10px 0 5px; font-size: 32px; line-height: 1.25; }
.list-hero p { margin: 0; color: rgba(255, 255, 255, .65); font-size: 13px; }
.list-hero .search-bar { box-shadow: none; }
.list-page { padding-bottom: 10px; }
.breadcrumb { padding: 17px 0; color: var(--ink-3); background: transparent; font-size: 12px; }
.breadcrumb .crumb-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumb .crumb-list li + li::before { margin-right: 8px; color: #BCC4CE; content: "/"; }
.breadcrumb .crumb-list a:hover { color: var(--dd-orange-dark); }
.breadcrumb .crumb-list [aria-current] { color: var(--ink-2); }
.category-panel { display: flex; align-items: center; gap: 28px; margin-bottom: 18px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.category-title { display: flex; flex: 0 0 auto; flex-direction: column; }
.category-title strong { color: var(--dd-blue-deep); font-size: 14px; }
.category-title span { color: var(--ink-3); font-size: 10px; }
.filter-section { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.filter-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.filter-heading h2 { font-size: 19px; }
.filter-bar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.filter-bar > label { display: flex; min-width: 0; flex-direction: column; gap: 6px; color: var(--ink-2); font-size: 11px; }
.filter-bar select { width: 100%; min-width: 0; padding: 10px 11px; border: 1px solid var(--line); border-radius: 9px; outline: 0; color: var(--ink); background: #FAFBFC; cursor: pointer; font-size: 12px; }
.filter-bar select:focus { border-color: var(--dd-orange); background: #fff; }
.filter-bar .chk { display: flex; align-items: center; align-self: end; flex-direction: row; gap: 8px; min-height: 39px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink-2); background: #FAFBFC; cursor: pointer; font-size: 12px; }
.filter-bar .chk:has(input:checked) { border-color: #FFB47C; color: var(--dd-orange-dark); background: var(--dd-orange-soft); }
.filter-bar .chk input { width: 15px; height: 15px; margin: 0; accent-color: var(--dd-orange); }
.reset { padding: 7px 0; border: 0; color: var(--ink-3); background: transparent; cursor: pointer; font-size: 12px; }
.reset:hover { color: var(--dd-orange-dark); }
.inventory-section { margin-top: 30px; }
.result-meta { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.result-meta h2 { font-size: 23px; }
.result-meta > span { color: var(--ink-3); font-size: 11px; }
.empty-state { display: none; padding: 70px 20px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink-2); background: #fff; text-align: center; }
.empty-state .emoji { color: var(--dd-orange); font-size: 45px; }
.empty-state h3 { margin: 8px 0; color: var(--dd-blue-deep); }
.empty-state p { margin: 0; font-size: 13px; }
.list-cta { margin-top: 56px; }

/* 详情页与六图画廊 */
.detail-page { padding-bottom: 10px; }
.detail-status { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 17px; color: var(--ink-3); font-size: 11px; }
.detail-status > span:first-child { display: inline-flex; align-items: center; gap: 7px; color: var(--dd-green); font-weight: 700; }
.detail-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--dd-green); }
.detail-wrap { display: grid; grid-template-columns: 1.12fr .88fr; align-items: start; gap: 34px; }
.gallery-column { position: relative; min-width: 0; }
.gallery { position: relative; overflow: hidden; aspect-ratio: 3 / 2; border: 1px solid var(--line); border-radius: var(--radius); background: #E8EDF2; box-shadow: var(--shadow); }
.gallery .gal-img { display: none; width: 100%; height: 100%; object-fit: cover; cursor: pointer; }
.gallery .gal-img.active { display: block; }
.gallery-nav { position: absolute; top: 42%; z-index: 4; display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 50%; color: #fff; background: rgba(9, 31, 59, .64); cursor: pointer; backdrop-filter: blur(5px); font-size: 18px; }
.gallery-nav:hover { background: var(--dd-orange); }
.gallery-prev { left: 14px; }
.gallery-next { right: 14px; }
.gallery-counter { position: absolute; top: 15px; right: 15px; z-index: 4; padding: 5px 10px; border-radius: 8px; color: #fff; background: rgba(9, 31, 59, .68); font-size: 11px; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 11px; }
.gallery-thumb { overflow: hidden; aspect-ratio: 3 / 2; padding: 0; border: 2px solid transparent; border-radius: 9px; background: #E8EDF2; cursor: pointer; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--dd-orange); box-shadow: 0 0 0 2px #FFF0E4; }
.gallery-tip { margin: 10px 0 0; color: var(--ink-3); font-size: 10px; text-align: center; }
.detail-info { min-width: 0; padding: 5px 0; }
.detail-label { margin-bottom: 9px; color: var(--dd-orange-dark); font-size: 10px; font-weight: 800; letter-spacing: 1.2px; }
.d-title { margin: 0 0 14px; color: var(--dd-blue-deep); font-size: 26px; font-weight: 800; line-height: 1.4; }
.d-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
.d-price .pt-num { color: var(--price-red); font-size: 32px; font-weight: 850; }
.d-price .pt-tip { color: var(--dd-green); font-size: 12px; font-weight: 700; }
.d-meta { margin-bottom: 14px; color: var(--ink-2); font-size: 13px; line-height: 1.7; }
.d-tags { margin-bottom: 16px; }
.spec-list { display: grid; overflow: hidden; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 0 0 17px; border: 1px solid var(--line); border-radius: 13px; background: var(--line); }
.spec-item { display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px; background: #fff; }
.spec-item dt { color: var(--ink-3); font-size: 11px; }
.spec-item dd { margin: 0; color: var(--ink); font-size: 12px; font-weight: 650; text-align: right; }
.d-desc { margin-bottom: 16px; color: var(--ink-2); font-size: 12px; line-height: 1.85; }
.d-shop { margin-bottom: 12px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; font-size: 12px; }
.d-shop strong { color: var(--dd-blue-deep); }
.d-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 17px; }
.d-actions .btn-primary, .d-actions .btn-ghost { padding: 12px 20px; border-radius: 10px; cursor: pointer; font-size: 13px; font-weight: 700; }
.d-actions .btn-primary { border: 1px solid var(--dd-orange); color: #fff; background: var(--dd-orange); box-shadow: 0 8px 20px rgba(255, 122, 26, .2); }
.d-actions .btn-primary:hover { border-color: var(--dd-orange-dark); background: var(--dd-orange-dark); }
.d-actions .btn-ghost { border: 1px solid var(--line); color: var(--dd-blue); background: #fff; }
.d-actions .btn-ghost:hover { border-color: var(--dd-blue); }
.d-demo { margin: 12px 0 0; color: var(--ink-3); font-size: 10px; }
.related-section { margin-top: 58px; }
.no-data { color: var(--ink-3); font-size: 13px; }

/* CTA、FAQ、页脚 */
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 35px 40px; border-radius: 22px; color: #fff; background: radial-gradient(circle at 90% 0, rgba(255, 140, 60, .25), transparent 32%), linear-gradient(120deg, var(--dd-blue-deep), #1B4A7E); }
.cta-band .section-kicker { color: #FFAD70; }
.cta-band h2 { margin: 5px 0 8px; font-size: 25px; line-height: 1.35; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, .66); font-size: 13px; }
.cta-band .btn-cta { flex: 0 0 auto; padding: 13px 22px; border: 0; border-radius: 11px; color: #fff; background: var(--dd-orange); cursor: pointer; font-size: 13px; font-weight: 750; box-shadow: 0 9px 22px rgba(255, 122, 26, .2); }
.cta-band .btn-cta:hover { background: var(--dd-orange-dark); }
.faq { padding: 28px 32px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.faq .section-head { margin-bottom: 10px; }
.faq h2 { font-size: 23px; }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq details:last-child { border-bottom: 0; }
.faq summary { position: relative; padding: 16px 28px 16px 0; color: var(--dd-blue-deep); cursor: pointer; font-size: 14px; font-weight: 700; }
.faq summary::after { position: absolute; right: 4px; color: var(--dd-orange); content: "+"; font-size: 20px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: -3px 0 17px; color: var(--ink-2); font-size: 12px; line-height: 1.85; }
.site-footer { margin-top: 65px; padding: 43px 0 24px; color: #A9B6C6; background: #0C1D31; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 45px; }
.footer-grid h4 { margin: 0 0 14px; color: #fff; font-size: 13px; }
.footer-grid a { display: block; margin-bottom: 8px; color: #A9B6C6; font-size: 12px; }
.footer-grid a:hover { color: #fff; }
.fb-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.fb-logo img { width: 36px; height: 36px; border-radius: 9px; }
.fb-logo span { color: #fff; font-size: 18px; font-weight: 750; }
.footer-brand p { max-width: 370px; margin: 0; font-size: 12px; line-height: 1.85; }
.footer-contact { color: #728298; font-size: 11px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .09); color: #718095; font-size: 11px; }
.icp-pending { color: #93A3B7; }

/* 悬浮入口：同排、不遮挡筛选、弹层互斥 */
.kf-fab, .mini-qr-fab { position: fixed; bottom: 24px; z-index: 100; display: flex; align-items: center; justify-content: center; width: 58px; height: 58px; border: 3px solid #fff; border-radius: 50%; color: #fff; cursor: pointer; box-shadow: 0 8px 25px rgba(15, 42, 76, .22); }
.kf-fab { right: 24px; flex-direction: column; gap: 0; background: var(--dd-green); font-size: 10px; line-height: 1.15; }
.kf-fab > span:first-child { font-size: 18px; line-height: 15px; }
.mini-qr-fab { right: 94px; flex-direction: column; gap: 2px; background: var(--dd-orange); font-size: 9px; }
.mini-qr-fab .fab-ico { font-size: 21px; line-height: 1; }
.kf-fab:hover, .mini-qr-fab:hover { transform: translateY(-2px); }
.kf-panel, .mini-qr-panel { position: fixed; right: 24px; bottom: 94px; z-index: 110; visibility: hidden; overflow-y: auto; max-height: calc(100vh - 120px); border: 1px solid var(--line); border-radius: 16px; opacity: 0; background: #fff; box-shadow: 0 18px 55px rgba(7, 24, 43, .24); transform: translateY(10px); transition: all .22s; }
.kf-panel { width: 300px; padding: 20px; }
.mini-qr-panel { width: 230px; padding: 15px; }
.kf-panel.open, .mini-qr-panel.open { visibility: visible; opacity: 1; transform: translateY(0); }
.kf-panel h3 { margin: 0 0 4px; color: var(--dd-blue-deep); font-size: 16px; }
.kf-panel .kf-sub { margin-bottom: 14px; color: var(--ink-3); font-size: 11px; }
.kf-panel img.qr, .mini-qr-panel img { width: 100%; border: 1px solid var(--line); border-radius: 10px; }
.kf-panel .kf-open { display: block; margin-top: 14px; padding: 11px; border-radius: 9px; color: #fff; background: var(--dd-orange); font-size: 13px; font-weight: 700; text-align: center; }
.kf-panel .kf-wechat { margin-top: 10px; color: var(--ink-2); font-size: 12px; text-align: center; }
.mini-qr-panel .mq-title { margin-bottom: 9px; color: var(--dd-blue-deep); font-size: 13px; font-weight: 700; }
.mini-qr-panel .mq-tip { margin-top: 8px; color: var(--ink-3); font-size: 11px; text-align: center; }

@media (max-width: 1050px) {
  .nav-links { gap: 18px; }
  .hero-grid { gap: 32px; }
  .filter-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .car-grid { gap: 16px; }
  .car-card .body { padding: 15px; }
}
@media (max-width: 900px) {
  .nav { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding-top: 40px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 0; }
  .hero h1 { max-width: 700px; }
  .hero p.sub { max-width: 680px; }
  .hero-showcase { width: min(620px, 100%); margin: 0 auto 32px; transform: none; }
  .trust-strip { grid-template-columns: repeat(2, 1fr); row-gap: 20px; }
  .trust-strip > div:nth-child(3) { border-left: 0; }
  .features, .flow { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .flow-step + .flow-step { padding-left: 0; border-left: 0; }
  .flow-step { padding: 15px; border-radius: 12px; background: rgba(255, 255, 255, .55); }
  .car-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .list-hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .list-hero .search-bar { max-width: none; }
  .filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-wrap { grid-template-columns: 1fr; }
  .detail-info { padding-top: 10px; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .footer-grid > div:last-child { display: none; }
}
@media (max-width: 600px) {
  .container { padding-right: 16px; padding-left: 16px; }
  .nav { height: 66px; }
  .brand { gap: 9px; }
  .brand img.logo { width: 38px; height: 38px; border-radius: 10px; }
  .brand .wordmark { font-size: 20px; }
  .brand .wordmark small { font-size: 7px; letter-spacing: 1.2px; }
  .nav-links { flex: 0 0 auto; }
  .nav-links .nav-cta { margin: 0; padding: 9px 13px; font-size: 12px; }
  .hero { padding-top: 31px; }
  .hero h1 { margin-top: 15px; font-size: 39px; letter-spacing: -1.2px; }
  .hero p.sub { font-size: 14px; line-height: 1.8; }
  .search-bar { gap: 5px; padding: 6px; }
  .search-icon { margin-left: 6px; }
  .search-bar input[type="text"] { font-size: 12px; }
  .search-bar .search-btn { padding: 11px 14px; font-size: 12px; }
  .hero-quick { gap: 11px; }
  .showcase-caption { padding: 14px; }
  .showcase-caption strong { font-size: 18px; }
  .showcase-caption > span { font-size: 10px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats .stat { padding: 18px 12px 18px 0; }
  .hero-stats .stat + .stat { padding-left: 16px; }
  .hero-stats .stat:nth-child(3) { border-left: 0; }
  .hero-stats .stat b { font-size: 21px; }
  .trust-strip { margin-top: 18px; padding: 18px 0; }
  .trust-strip > div { padding: 0 15px; }
  .trust-strip strong { font-size: 12px; }
  .trust-strip span { font-size: 10px; }
  .section { margin: 43px 0; }
  .section-head { align-items: flex-start; margin-bottom: 18px; }
  .section-head h2 { font-size: 23px; }
  .section-head p { font-size: 11px; }
  .section-link { padding-top: 20px; font-size: 11px; }
  .car-grid { grid-template-columns: 1fr; }
  .car-card .title { min-height: 0; }
  .features { grid-template-columns: 1fr 1fr; gap: 10px; }
  .feature { min-height: 215px; padding: 19px 16px; }
  .feature .ico { margin-bottom: 15px; }
  .feature p { font-size: 11px; }
  .process-section { padding: 26px 18px; }
  .flow { grid-template-columns: 1fr; gap: 10px; }
  .flow-step { padding: 15px; }
  .flow-step .num { margin-bottom: 10px; }
  .cta-band { align-items: flex-start; flex-direction: column; gap: 22px; padding: 26px 23px; }
  .cta-band h2 { font-size: 22px; }
  .faq { padding: 21px 19px; }
  .list-hero { padding: 29px 0; }
  .list-hero h1 { font-size: 27px; }
  .category-panel { align-items: flex-start; flex-direction: column; gap: 12px; padding: 15px; }
  .category-title { flex-direction: row; align-items: center; gap: 10px; }
  .filter-section { padding: 17px 14px; }
  .filter-bar { grid-template-columns: 1fr 1fr; gap: 10px; }
  .filter-heading { margin-bottom: 14px; }
  .result-meta { align-items: flex-start; flex-direction: column; gap: 6px; }
  .detail-status { align-items: flex-start; flex-direction: column; gap: 4px; }
  .d-title { font-size: 23px; }
  .gallery-thumbs { gap: 5px; }
  .gallery-thumb { border-width: 1px; border-radius: 6px; }
  .gallery-nav { width: 34px; height: 34px; }
  .spec-item { padding: 9px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { display: none; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 6px; }
  .kf-fab, .mini-qr-fab { bottom: 15px; width: 50px; height: 50px; }
  .kf-fab { right: 15px; }
  .mini-qr-fab { right: 75px; }
  .kf-panel, .mini-qr-panel { right: 15px; bottom: 76px; max-height: calc(100vh - 92px); }
  .kf-panel { width: calc(100vw - 30px); max-width: 320px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}