/* =========================================================
   云谷车务通 · Child Astra 设计系统
   ========================================================= */

:root {
	--ink: #0d1b2e;
	--ink-2: #2c3e56;
	--ink-3: #61738c;
	--line: #e3e9f2;
	--line-2: #eef2f8;
	--bg: #ffffff;
	--bg-soft: #f5f8fd;
	--bg-soft-2: #eef4fd;

	--brand: #1256d6;
	--brand-d: #0d3fa3;
	--brand-l: #e8f0ff;
	--cyan: #0aa7c2;
	--amber: #f59e0b;
	--danger: #e0403a;
	--green: #12a06a;

	--navy: #081428;
	--navy-2: #0f2540;

	--r-s: 10px;
	--r-m: 16px;
	--r-l: 24px;
	--shadow-s: 0 2px 8px rgba(13, 27, 46, .06);
	--shadow-m: 0 10px 30px rgba(13, 27, 46, .08);
	--shadow-l: 0 24px 60px rgba(13, 27, 46, .12);
	--maxw: 1240px;
}

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

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink-2);
	font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-d); }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.3; margin: 0 0 .6em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

.ca-container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.ca-ic { width: 20px; height: 20px; flex: 0 0 auto; }

/* ---------- 渐显 ---------- */
html.js .reveal { opacity: 0; transform: translateY(22px); }
html.js .reveal.in { opacity: 1; transform: none; transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1); }

/* ---------- 按钮 ---------- */
.ca-btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 12px 24px; border-radius: 999px;
	font-weight: 600; font-size: 15px; line-height: 1;
	border: 1px solid transparent; cursor: pointer;
	transition: transform .2s, box-shadow .2s, background .2s, color .2s, border-color .2s;
	white-space: nowrap;
}
.ca-btn .ca-ic { width: 17px; height: 17px; }
.ca-btn--primary { background: linear-gradient(135deg, #1a6bff, #0d3fa3); color: #fff; box-shadow: 0 8px 22px rgba(18, 86, 214, .28); }
.ca-btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(18, 86, 214, .36); }
.ca-btn--ghost { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .38); }
.ca-btn--ghost:hover { background: rgba(255, 255, 255, .2); color: #fff; }
.ca-btn--light { background: #fff; color: var(--brand-d); box-shadow: 0 10px 30px rgba(0, 0, 0, .18); }
.ca-btn--light:hover { color: var(--brand-d); transform: translateY(-2px); }
.ca-btn--outline { background: #fff; color: var(--brand); border-color: var(--line); box-shadow: var(--shadow-s); }
.ca-btn--outline:hover { border-color: var(--brand); }

/* ---------- 顶部条 ---------- */
.ca-topbar {
	background: var(--navy); color: rgba(255, 255, 255, .72);
	font-size: 13px; line-height: 38px;
}
.ca-topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.ca-topbar span { display: inline-flex; align-items: center; gap: 7px; }
.ca-topbar .ca-ic { width: 15px; height: 15px; color: #4fd1c5; }

/* ---------- 头部 ---------- */
.ca-header {
	position: sticky; top: 0; z-index: 200;
	background: rgba(255, 255, 255, .92);
	backdrop-filter: saturate(180%) blur(14px);
	border-bottom: 1px solid var(--line);
}
.ca-header.is-stuck { box-shadow: 0 6px 24px rgba(13, 27, 46, .08); }
.ca-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 74px; }

.ca-logo { display: flex; align-items: center; gap: 11px; color: var(--ink); }
.ca-logo:hover { color: var(--ink); }
.ca-logo__mark {
	width: 40px; height: 40px; border-radius: 12px; flex: 0 0 auto;
	background: linear-gradient(135deg, #1a6bff, #0aa7c2);
	color: #fff; display: grid; place-items: center;
	box-shadow: 0 6px 16px rgba(18, 86, 214, .3);
}
.ca-logo__mark svg { width: 22px; height: 22px; }
.ca-logo__text { display: flex; flex-direction: column; line-height: 1.25; }
.ca-logo__text strong { font-size: 19px; letter-spacing: .5px; }
.ca-logo__text small { font-size: 11.5px; color: var(--ink-3); letter-spacing: .3px; }
.ca-logo--light .ca-logo__text strong { color: #fff; }
.ca-logo--light .ca-logo__text small { color: rgba(255, 255, 255, .55); }

/* ---------- 导航 ---------- */
.ca-nav-wrap { display: flex; align-items: center; gap: 18px; }
.ca-nav { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.ca-nav__item { position: relative; }
.ca-nav__item > a {
	display: flex; align-items: center; gap: 4px;
	padding: 10px 14px; border-radius: 10px;
	color: var(--ink-2); font-size: 15.5px; font-weight: 500;
}
.ca-nav__item > a:hover { background: var(--bg-soft); color: var(--brand); }
.ca-nav__item.is-active > a { color: var(--brand); background: var(--brand-l); font-weight: 600; }
.ca-caret { width: 14px; height: 14px; opacity: .55; transition: transform .25s; }
.ca-nav__item.has-sub:hover .ca-caret { transform: rotate(180deg); }

.ca-sub {
	position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 8px);
	min-width: 288px; padding: 10px; margin: 0; list-style: none;
	background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
	box-shadow: var(--shadow-l);
	opacity: 0; visibility: hidden; transition: all .22s ease;
}
.ca-sub::before { content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.ca-nav__item.has-sub:hover .ca-sub,
.ca-nav__item.has-sub.is-open .ca-sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.ca-sub li a {
	display: flex; align-items: center; gap: 12px;
	padding: 10px 12px; border-radius: 10px; color: var(--ink-2);
}
.ca-sub li a:hover { background: var(--bg-soft); }
.ca-sub li a .ca-ic { color: var(--brand); }
.ca-sub li a span { display: flex; flex-direction: column; line-height: 1.35; }
.ca-sub li a strong { font-size: 15px; color: var(--ink); font-weight: 600; }
.ca-sub li a small { font-size: 12px; color: var(--ink-3); }

.ca-burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: 12px; cursor: pointer; padding: 0; }
.ca-burger span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); border-radius: 2px; transition: .25s; }
.ca-burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.ca-burger.is-open span:nth-child(2) { opacity: 0; }
.ca-burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Banner（内页） ---------- */
.ca-banner {
	position: relative; overflow: hidden;
	background: linear-gradient(120deg, #061024 0%, #0b2450 48%, #103a7a 100%);
	color: #fff; padding: 74px 0 68px;
}
.ca-banner__bg { position: absolute; inset: 0; pointer-events: none; }
.ca-grid {
	position: absolute; inset: 0;
	background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
	background-size: 56px 56px;
	mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
	-webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 78%);
}
.ca-orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; }
.ca-orb--1 { width: 420px; height: 420px; background: #1a6bff; top: -160px; right: 6%; }
.ca-orb--2 { width: 340px; height: 340px; background: #0aa7c2; bottom: -180px; left: 2%; opacity: .38; }

.ca-banner__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.ca-banner__text { max-width: 720px; }
.ca-eyebrow {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
	background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
	color: #a8d0ff; letter-spacing: .5px; margin-bottom: 16px;
}
.ca-banner__title { font-size: 42px; color: #fff; margin: 0 0 14px; letter-spacing: -.5px; }
.ca-banner__sub { font-size: 17px; color: rgba(255, 255, 255, .8); margin: 0 0 26px; max-width: 640px; }
/* 面包屑条：位于 banner 下方，浅色背景 */
.ca-crumbbar { background: var(--bg); border-bottom: 1px solid var(--line); padding: 14px 0; }
.ca-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); }
.ca-crumb a { color: var(--ink-2); }
.ca-crumb a:hover { color: var(--brand); }
.ca-crumb em { font-style: normal; color: var(--ink); }

.ca-banner__badge { flex: 0 0 auto; }
.ca-banner__icon {
	width: 168px; height: 168px; border-radius: 40px; display: grid; place-items: center;
	background: linear-gradient(150deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .04));
	border: 1px solid rgba(255, 255, 255, .2);
	backdrop-filter: blur(8px);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 24px 60px rgba(0, 0, 0, .3);
}
.ca-banner__icon .ca-ic { width: 76px; height: 76px; color: #7fb6ff; stroke-width: 1.2; }

/* ---------- 首页 Hero ---------- */
.ca-hero {
	position: relative; overflow: hidden; color: #fff;
	background: linear-gradient(120deg, #050e1f 0%, #0a2148 45%, #123c7e 100%);
	padding: 86px 0 96px;
}
.ca-hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.ca-hero__title { font-size: 50px; line-height: 1.18; color: #fff; margin: 0 0 18px; letter-spacing: -1px; }
.ca-hero__title em { font-style: normal; background: linear-gradient(100deg, #62b0ff, #4fe0d0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ca-hero__sub { font-size: 17.5px; color: rgba(255, 255, 255, .8); margin: 0 0 30px; max-width: 560px; }
.ca-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.ca-hero__trust { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 13.5px; color: rgba(255, 255, 255, .68); }
.ca-hero__trust span { display: inline-flex; align-items: center; gap: 7px; }
.ca-hero__trust .ca-ic { width: 16px; height: 16px; color: #4fe0d0; }

/* 查询卡片 */
.ca-qcard {
	background: rgba(255, 255, 255, .96); border-radius: var(--r-l);
	padding: 28px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35); color: var(--ink-2);
}
.ca-qcard h3 { font-size: 20px; margin: 0 0 4px; }
.ca-qcard__note { font-size: 13px; color: var(--ink-3); margin: 0 0 18px; }
.ca-qtabs { display: flex; gap: 6px; background: var(--bg-soft); padding: 5px; border-radius: 12px; margin-bottom: 16px; }
.ca-qtabs button {
	flex: 1; border: 0; background: transparent; padding: 9px 6px; border-radius: 9px;
	font-size: 13.5px; font-weight: 600; color: var(--ink-3); cursor: pointer; transition: .2s;
	font-family: inherit;
}
.ca-qtabs button.is-on { background: #fff; color: var(--brand); box-shadow: var(--shadow-s); }
.ca-field { margin-bottom: 13px; }
.ca-field label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.ca-field input, .ca-field select, .ca-field textarea {
	width: 100%; padding: 12px 14px; border: 1px solid var(--line);
	border-radius: 11px; font-size: 14.5px; color: var(--ink); background: #fff;
	font-family: inherit; transition: border-color .2s, box-shadow .2s;
}
.ca-field input:focus, .ca-field select:focus, .ca-field textarea:focus {
	outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(18, 86, 214, .12);
}
.ca-qcard .ca-btn { width: 100%; justify-content: center; margin-top: 6px; }
.ca-qcard__tip { font-size: 12px; color: var(--ink-3); text-align: center; margin: 12px 0 0; }

/* 公众号二维码卡片 */
.ca-qr-card {
	background: rgba(255, 255, 255, .96); border-radius: var(--r-l);
	padding: 28px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
	color: var(--ink-2); text-align: center;
}
.ca-qr-card__badge {
	display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px;
	border-radius: 999px; font-size: 12.5px; font-weight: 700; color: #07c160;
	background: rgba(7, 193, 96, .12); margin-bottom: 14px;
}
.ca-qr-card__badge .ca-ic { width: 16px; height: 16px; }
.ca-qr-card h3 { font-size: 20px; margin: 0 0 18px; color: var(--ink); }
.ca-qr-card__img {
	width: 220px; height: 220px; margin: 0 auto 16px; border-radius: 14px; overflow: hidden;
	background: #fff; padding: 10px; border: 1px solid var(--line); box-shadow: var(--shadow-s);
}
.ca-qr-card__img img { width: 100%; height: 100%; display: block; object-fit: contain; }
.ca-qr-card__tip { font-size: 13px; color: var(--ink-3); margin: 0; }

/* ---------- 通用区块 ---------- */
.ca-section { padding: 84px 0; }
.ca-section--soft { background: var(--bg-soft); }
.ca-section--tint { background: linear-gradient(180deg, #f5f8fd, #ffffff); }
.ca-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.ca-head--left { text-align: left; margin-left: 0; }
.ca-tag {
	display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12.5px;
	font-weight: 700; letter-spacing: 1px; color: var(--brand);
	background: var(--brand-l); margin-bottom: 14px;
}
.ca-head h2 { font-size: 34px; margin: 0 0 12px; }
.ca-head p { font-size: 16px; color: var(--ink-3); margin: 0; }

/* 服务网格 */
.ca-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ca-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ca-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.ca-card {
	background: #fff; border: 1px solid var(--line); border-radius: var(--r-m);
	padding: 26px 24px; transition: transform .28s, box-shadow .28s, border-color .28s;
	position: relative; overflow: hidden; display: block; color: var(--ink-2);
}
.ca-card::after {
	content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0;
	background: linear-gradient(90deg, #1a6bff, #0aa7c2); transition: width .35s;
}
.ca-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: #cddcf5; color: var(--ink-2); }
.ca-card:hover::after { width: 100%; }
.ca-card__ic {
	width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
	background: var(--brand-l); color: var(--brand); margin-bottom: 16px;
}
.ca-card__ic .ca-ic { width: 25px; height: 25px; }
.ca-card h3 { font-size: 18px; margin: 0 0 8px; }
.ca-card p { font-size: 14.5px; color: var(--ink-3); margin: 0 0 14px; line-height: 1.7; }
.ca-card__more { font-size: 13.5px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 5px; }
.ca-card__more::after { content: "→"; transition: transform .25s; }
.ca-card:hover .ca-card__more::after { transform: translateX(4px); }

/* 数据统计 */
.ca-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ca-stat { text-align: center; padding: 30px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); box-shadow: var(--shadow-s); }
.ca-stat b { display: block; font-size: 40px; font-weight: 800; color: var(--brand); line-height: 1.1; letter-spacing: -1px; }
.ca-stat b i { font-style: normal; font-size: 22px; margin-left: 2px; }
.ca-stat span { font-size: 14px; color: var(--ink-3); }

/* 步骤 */
.ca-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.ca-step { position: relative; padding: 28px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); }
.ca-step__n {
	width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
	background: linear-gradient(135deg, #1a6bff, #0d3fa3); color: #fff; font-weight: 700; font-size: 16px;
	margin-bottom: 14px;
}
.ca-step h4 { font-size: 16.5px; margin: 0 0 6px; }
.ca-step p { font-size: 14px; color: var(--ink-3); margin: 0; }

/* 特性列 */
.ca-feat { display: flex; gap: 14px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); }
.ca-feat .ca-ic { width: 22px; height: 22px; color: var(--brand); margin-top: 4px; }
.ca-feat h4 { font-size: 16px; margin: 0 0 5px; }
.ca-feat p { font-size: 14px; color: var(--ink-3); margin: 0; }

/* 报告样例（伪 UI） */
.ca-report { background: #fff; border: 1px solid var(--line); border-radius: var(--r-l); box-shadow: var(--shadow-m); overflow: hidden; }
.ca-report__bar { display: flex; align-items: center; gap: 8px; padding: 13px 18px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.ca-report__bar i { width: 10px; height: 10px; border-radius: 50%; background: #d7dfeb; display: block; }
.ca-report__bar span { margin-left: 8px; font-size: 13px; color: var(--ink-3); }
.ca-report__body { padding: 24px; }
.ca-rrow { display: flex; justify-content: space-between; align-items: center; padding: 13px 0; border-bottom: 1px dashed var(--line); font-size: 14.5px; }
.ca-rrow:last-child { border-bottom: 0; }
.ca-rrow span { color: var(--ink-3); }
.ca-rrow b { color: var(--ink); font-weight: 600; }
.ca-pill { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.ca-pill--ok { background: #e6f7f0; color: var(--green); }
.ca-pill--warn { background: #fef4e2; color: #b8770a; }
.ca-pill--bad { background: #fdecec; color: var(--danger); }

/* 表格 */
.ca-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; font-size: 14.5px; }
.ca-table th, .ca-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line-2); }
.ca-table thead th { background: var(--bg-soft); color: var(--ink); font-weight: 600; font-size: 14px; }
.ca-table tbody tr:last-child td { border-bottom: 0; }
.ca-table tbody tr:hover { background: #fafcff; }

/* FAQ */
.ca-faq { max-width: 900px; margin: 0 auto; }
.ca-faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); margin-bottom: 12px; overflow: hidden; }
.ca-faq__q {
	width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
	padding: 20px 56px 20px 22px; font-size: 16.5px; font-weight: 600; color: var(--ink);
	position: relative; font-family: inherit; line-height: 1.5;
}
.ca-faq__q::after {
	content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
	font-size: 22px; color: var(--brand); font-weight: 400; transition: transform .25s;
}
.ca-faq__item.is-open .ca-faq__q::after { transform: translateY(-50%) rotate(45deg); }
.ca-faq__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.ca-faq__a > div { padding: 0 22px 20px; color: var(--ink-3); font-size: 15px; }
.ca-faq__item.is-open .ca-faq__a { max-height: 460px; }

/* 提示条 */
.ca-note {
	display: flex; gap: 12px; padding: 18px 20px; border-radius: var(--r-m);
	background: #fff8ec; border: 1px solid #f6e2bd; color: #8a6412; font-size: 14.5px;
}
.ca-note .ca-ic { color: var(--amber); margin-top: 3px; }
.ca-note strong { color: #6f4f0c; }

/* 侧栏布局 */
.ca-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
.ca-side { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 18px; }
.ca-side__box { background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); padding: 22px; box-shadow: var(--shadow-s); }
.ca-side__box h4 { font-size: 16px; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.ca-side__list { list-style: none; margin: 0; padding: 0; }
.ca-side__list li { margin-bottom: 4px; }
.ca-side__list a { display: flex; align-items: center; gap: 9px; padding: 9px 11px; border-radius: 10px; color: var(--ink-2); font-size: 14.5px; }
.ca-side__list a:hover, .ca-side__list a.is-on { background: var(--brand-l); color: var(--brand); }
.ca-side__list .ca-ic { width: 17px; height: 17px; }

/* 侧栏常见问题（紧凑手风琴） */
.ca-side__faq { padding-bottom: 18px; }
.ca-side__faq-list { display: flex; flex-direction: column; }
.ca-sq { border-top: 1px solid var(--line-2); }
.ca-sq:first-child { border-top: 0; }
.ca-sq summary {
	list-style: none;
	cursor: pointer;
	padding: 13px 2px;
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 12px;
	font-size: 14px;
	font-weight: 600;
	line-height: 1.5;
	color: var(--ink);
	user-select: none;
}
.ca-sq summary::-webkit-details-marker { display: none; }
.ca-sq__q { flex: 1 1 auto; }
.ca-sq__ic { flex: 0 0 auto; position: relative; width: 16px; height: 16px; margin-top: 2px; }
.ca-sq__ic::before,
.ca-sq__ic::after { content: ''; position: absolute; background: var(--brand); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.ca-sq__ic::before { top: 7px; left: 1px; width: 14px; height: 2px; }
.ca-sq__ic::after { top: 1px; left: 7px; width: 2px; height: 14px; }
.ca-sq[open] .ca-sq__ic::after { transform: scaleY(0); opacity: 0; }
.ca-sq__body { padding: 0 2px 14px; color: var(--ink-2); font-size: 13.5px; line-height: 1.8; }
.ca-sq__body p { margin: 0 0 8px; }
.ca-sq__body p:last-child { margin-bottom: 0; }
.ca-side__faq-more { display: inline-block; margin-top: 6px; font-size: 13.5px; font-weight: 600; color: var(--brand); }
.ca-side__faq-more:hover { text-decoration: underline; }
.ca-side__cta { background: linear-gradient(150deg, #0b2450, #123c7e); color: #fff; text-align: center; border: 0; }
.ca-side__cta h4 { color: #fff; border-color: rgba(255, 255, 255, .16); }
.ca-side__cta p { font-size: 14px; color: rgba(255, 255, 255, .75); }
.ca-side__qr {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
	background: #fff;
	border-radius: 14px;
	padding: 14px;
	margin: 4px 0 2px;
}
.ca-side__qr img { width: 180px; height: 180px; display: block; border-radius: 8px; }
.ca-side__qr-tip { font-size: 13px; font-weight: 600; color: #0b2450; }

/* 功能页底部免责声明 */
.ca-disclaimer { padding: 30px 0 6px; }
.ca-disclaimer__inner {
	background: var(--bg-soft);
	border: 1px solid var(--line);
	border-radius: var(--r-m);
	padding: 22px 26px;
}
.ca-disclaimer__title {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 16px;
	font-weight: 700;
	color: var(--ink);
	margin: 0 0 10px;
}
.ca-disclaimer__title .ca-ic { width: 18px; height: 18px; color: var(--brand); flex: none; }
.ca-disclaimer__body {
	font-size: 13.5px;
	line-height: 1.95;
	color: var(--ink-3);
	margin: 0;
}
@media (max-width: 768px) {
	.ca-disclaimer__inner { padding: 18px 18px; }
	.ca-disclaimer__body { font-size: 13px; line-height: 1.85; }
}

/* 文章正文排版 */
.ca-prose h2 { font-size: 27px; margin: 44px 0 16px; padding-left: 14px; border-left: 4px solid var(--brand); }
.ca-prose h2:first-child { margin-top: 0; }
.ca-prose h3 { font-size: 19.5px; margin: 30px 0 12px; }
.ca-prose p { font-size: 16px; color: var(--ink-2); }
.ca-prose ul { list-style: none; padding: 0; margin: 0 0 20px; }
.ca-prose ul li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: 15.5px; }
.ca-prose ul li::before {
	content: ""; position: absolute; left: 4px; top: .66em; width: 7px; height: 7px;
	border-radius: 50%; background: var(--brand);
}
.ca-prose ol { padding-left: 22px; }
.ca-prose ol li { margin-bottom: 10px; font-size: 15.5px; }
.ca-prose strong { color: var(--ink); }
.ca-prose .ca-grid-2, .ca-prose .ca-grid-3 { margin: 24px 0; }
.ca-prose .ca-note, .ca-prose .ca-table, .ca-prose .ca-report { margin: 24px 0; }

/* ---------- 底部 CTA ---------- */
.ca-cta {
	background: linear-gradient(120deg, #0b2450 0%, #123c7e 60%, #0e6a86 100%);
	color: #fff; padding: 60px 0;
}
.ca-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.ca-cta h2 { color: #fff; font-size: 29px; margin: 0 0 8px; }
.ca-cta p { color: rgba(255, 255, 255, .78); margin: 0; max-width: 640px; font-size: 15.5px; }
.ca-cta__act { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.ca-cta__note { font-size: 13px; color: rgba(255, 255, 255, .62); }

/* ---------- 页脚 ---------- */
.ca-footer { background: var(--navy); color: rgba(255, 255, 255, .62); font-size: 14.5px; }
.ca-footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding: 60px 24px 46px; }
.ca-footer h4 { color: #fff; font-size: 16px; margin: 0 0 18px; }
.ca-footer ul { list-style: none; margin: 0; padding: 0; }
.ca-footer li { margin-bottom: 10px; }
.ca-footer a { color: rgba(255, 255, 255, .62); }
.ca-footer a:hover { color: #fff; }
.ca-footer__desc { margin: 18px 0 16px; line-height: 1.8; font-size: 14px; }
.ca-footer__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.ca-footer__tags span {
	font-size: 12.5px; padding: 4px 12px; border-radius: 999px;
	background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); color: rgba(255, 255, 255, .7);
}
.ca-footer__qr { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.ca-footer__qr img {
	width: 150px; height: 150px; display: block; border-radius: 10px;
	background: #fff; padding: 8px;
	box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
}
.ca-footer__qr span { font-size: 13px; color: rgba(255, 255, 255, .72); }
.ca-footer__bottom {
	display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
	padding: 18px 24px; border-top: 1px solid rgba(255, 255, 255, .09); font-size: 13px; color: rgba(255, 255, 255, .42);
}

/* 悬浮按钮 */
.ca-fab {
	position: fixed; right: 22px; bottom: 26px; z-index: 300;
	display: none; align-items: center; gap: 8px;
	padding: 13px 20px; border-radius: 999px; color: #fff; font-weight: 600; font-size: 14.5px;
	background: linear-gradient(135deg, #1a6bff, #0d3fa3);
	box-shadow: 0 12px 30px rgba(18, 86, 214, .4);
}
.ca-fab:hover { color: #fff; }

/* ---------- Banner 表单 ---------- */
.ca-banner-form { max-width: 520px; margin: 22px 0 12px; }
.ca-banner-form__input {
	width: 100%; padding: 16px 18px; margin-bottom: 14px;
	border: 1px solid rgba(255, 255, 255, .28); border-radius: 12px;
	background: rgba(255, 255, 255, .1); color: #fff; font-size: 16px;
	backdrop-filter: blur(6px); font-family: inherit;
	transition: border-color .2s, background .2s, box-shadow .2s;
}
.ca-banner-form__input::placeholder { color: rgba(255, 255, 255, .55); }
.ca-banner-form__input:focus {
	outline: 0; border-color: rgba(255, 255, 255, .7);
	background: rgba(255, 255, 255, .16);
	box-shadow: 0 0 0 4px rgba(26, 107, 255, .25);
}
.ca-banner-form__btn { width: 100%; justify-content: center; padding: 16px 24px; font-size: 17px; }
.ca-banner-form__tip { display: block; font-size: 13px; color: rgba(255, 255, 255, .55); margin-top: 12px; }

/* ---------- 二维码弹窗 ---------- */
.ca-modal { position: fixed; inset: 0; z-index: 400; display: none; align-items: center; justify-content: center; padding: 20px; }
.ca-modal.is-open { display: flex; }
.ca-modal__overlay { position: absolute; inset: 0; background: rgba(6, 16, 36, .68); backdrop-filter: blur(4px); }
.ca-modal__card {
	position: relative; width: 100%; max-width: 420px; text-align: center;
	background: #fff; border-radius: var(--r-l); padding: 34px 28px 28px;
	box-shadow: var(--shadow-l); transform: translateY(16px) scale(.96);
	opacity: 0; transition: transform .3s cubic-bezier(.2, .7, .3, 1), opacity .25s ease;
}
.ca-modal.is-open .ca-modal__card { transform: none; opacity: 1; }
.ca-modal__close {
	position: absolute; right: 14px; top: 12px; width: 38px; height: 38px;
	border: 0; background: transparent; border-radius: 50%; cursor: pointer;
	font-size: 28px; line-height: 1; color: var(--ink-3); transition: background .2s, color .2s;
}
.ca-modal__close:hover { background: var(--bg-soft); color: var(--ink); }
.ca-modal__body h3 { font-size: 21px; margin: 0 0 8px; }
.ca-modal__body > p { color: var(--ink-3); font-size: 14.5px; margin: 0 0 22px; }
.ca-modal__qr {
	width: 260px; height: 260px; margin: 0 auto 18px; padding: 10px;
	border: 1px solid var(--line); border-radius: 18px; background: #fff;
	box-shadow: var(--shadow-s);
}
.ca-modal__qr img { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; }
.ca-modal__foot { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }

body.ca-modal-open { overflow: hidden; }

/* ---------- 常见问题（手风琴） ---------- */
.ca-qalist { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.ca-qa {
	border: 1px solid var(--line);
	border-radius: var(--r-m);
	background: #fff;
	overflow: hidden;
	transition: border-color .2s ease, box-shadow .2s ease;
}
.ca-qa[open] { border-color: var(--brand); box-shadow: var(--shadow-s); }
.ca-qa summary {
	list-style: none;
	cursor: pointer;
	padding: 20px 22px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	font-size: 17px;
	font-weight: 600;
	color: var(--ink);
	user-select: none;
}
.ca-qa summary::-webkit-details-marker { display: none; }
.ca-qa__q { flex: 1 1 auto; }
.ca-qa__ic { flex: 0 0 auto; position: relative; width: 20px; height: 20px; }
.ca-qa__ic::before,
.ca-qa__ic::after { content: ''; position: absolute; background: var(--brand); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.ca-qa__ic::before { top: 9px; left: 2px; width: 16px; height: 2px; }
.ca-qa__ic::after { top: 2px; left: 9px; width: 2px; height: 16px; }
.ca-qa[open] .ca-qa__ic::after { transform: scaleY(0); opacity: 0; }
.ca-qa__body { padding: 0 22px 22px; color: var(--ink-2); line-height: 1.85; }
.ca-qa__body p { margin: 0 0 12px; }
.ca-qa__body p:last-child { margin-bottom: 0; }
.ca-qa__empty { text-align: center; color: var(--ink-3); padding: 30px 0; }
.ca-qa-foot { max-width: 880px; margin: 36px auto 0; text-align: center; color: var(--ink-2); }
.ca-qa-foot p { margin: 0 0 16px; }
@media (max-width: 720px) {
	.ca-qa summary { font-size: 15px; padding: 16px 18px; }
	.ca-qa__body { padding: 0 18px 18px; }
}

/* ---------- 报告样例图片展示 ---------- */
.ca-report-gallery {
	display: flex;
	flex-wrap: wrap;
	gap: 28px;
	justify-content: center;
	align-items: flex-start;
	margin: 28px 0 8px;
}
.ca-report-shot {
	flex: 0 1 380px;
	max-width: 100%;
	background: #fff;
	border-radius: 34px;
	padding: 14px;
	box-shadow: 0 24px 70px rgba(8, 20, 40, .12);
	border: 1px solid var(--line);
	transition: transform .25s ease, box-shadow .25s ease;
}
.ca-report-shot:hover {
	transform: translateY(-4px);
	box-shadow: 0 32px 84px rgba(8, 20, 40, .16);
}
.ca-report-shot__frame {
	display: block;
	border-radius: 26px;
	overflow: hidden;
	background: #0a0a0a;
	border: 6px solid #0a0a0a;
	position: relative;
}
.ca-report-shot__frame::before {
	content: '';
	position: absolute;
	left: 50%;
	top: 0;
	transform: translateX(-50%);
	width: 90px;
	height: 22px;
	background: #0a0a0a;
	border-radius: 0 0 14px 14px;
	z-index: 2;
}
.ca-report-shot__frame img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 20px;
	background: #f6f8fb;
}
.ca-report-shot__zoom {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	margin-top: 12px;
	font-size: 13px;
	color: var(--ink-3);
}
.ca-report-shot__zoom::before {
	content: '';
	width: 14px;
	height: 14px;
	flex: 0 0 14px;
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") no-repeat center / contain;
}
.ca-report-shot figcaption {
	text-align: center;
	margin-top: 12px;
	font-size: 14px;
	font-weight: 500;
	color: var(--ink);
}
.ca-report-note {
	text-align: center;
	font-size: 13px;
	color: var(--ink-3);
	margin-top: 14px;
}
@media (max-width: 720px) {
	.ca-report-shot { flex: 1 1 100%; border-radius: 28px; }
	.ca-report-shot__frame { border-radius: 22px; border-width: 5px; }
	.ca-report-shot__frame::before { width: 72px; height: 18px; border-radius: 0 0 10px 10px; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
	.ca-grid-4 { grid-template-columns: repeat(2, 1fr); }
	.ca-stats, .ca-steps { grid-template-columns: repeat(2, 1fr); }
	.ca-hero__inner { grid-template-columns: 1fr; gap: 40px; }
	.ca-footer__top { grid-template-columns: repeat(2, 1fr); }
	.ca-layout { grid-template-columns: 1fr; }
	.ca-side { position: static; }
}

@media (max-width: 960px) {
	.ca-burger { display: block; }
	.ca-nav-wrap {
		position: fixed; inset: 112px 0 0; background: #fff; padding: 20px 24px 40px;
		flex-direction: column; align-items: stretch; gap: 6px; overflow-y: auto;
		transform: translateX(100%); transition: transform .3s ease; z-index: 190;
	}
	.ca-nav-wrap.is-open { transform: none; }
	.ca-nav { flex-direction: column; align-items: stretch; gap: 2px; }
	.ca-nav__item > a { padding: 14px 12px; font-size: 16px; justify-content: space-between; }
	.ca-sub {
		position: static; transform: none; opacity: 1; visibility: visible;
		box-shadow: none; border: 0; border-left: 2px solid var(--line); border-radius: 0;
		min-width: 0; padding: 0 0 6px 12px; margin: 0 0 6px 12px;
		max-height: 0; overflow: hidden; transition: max-height .3s ease;
	}
	.ca-nav__item.has-sub:hover .ca-sub { max-height: 0; }
	.ca-nav__item.has-sub.is-open .ca-sub { max-height: 400px; transform: none; }
	.ca-nav-cta { justify-content: center; margin-top: 14px; }
	.ca-fab { display: inline-flex; }
	.ca-topbar__right { display: none; }
}

@media (max-width: 720px) {
	.ca-container { padding: 0 18px; }
	.ca-hero { padding: 56px 0 64px; }
	.ca-hero__title { font-size: 33px; }
	.ca-hero__sub { font-size: 15.5px; }
	.ca-banner { padding: 48px 0 44px; }
	.ca-banner__title { font-size: 28px; }
	.ca-banner__sub { font-size: 15px; }
	.ca-banner__badge { display: none; }
	.ca-section { padding: 56px 0; }
	.ca-head h2 { font-size: 26px; }
	.ca-grid-4, .ca-grid-3, .ca-grid-2, .ca-stats, .ca-steps { grid-template-columns: 1fr; }
	.ca-footer__top { grid-template-columns: 1fr; gap: 30px; padding: 44px 18px 34px; }
	.ca-cta h2 { font-size: 23px; }
	.ca-prose h2 { font-size: 22px; }
	.ca-table { display: block; overflow-x: auto; white-space: nowrap; }
}