/* ==========================================================================
   HoloX 洞悉 · 官网设计系统 — 基础层
   设计原则：专业、克制、信息清晰；杜绝字体模糊
   防模糊规则（务必遵守）：
   1) 正文/标题容器一律不使用 perspective / rotate3d / scale 等 3D 变换
   2) 不在正文上叠加 text-shadow、filter: blur、backdrop-filter
   3) 字号使用整数 px，位移动画只用整数 translateY
   4) 开启 antialiased 字体平滑 + optimizeLegibility
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
    /* 品牌色：医药科技蓝（沉稳）+ 青（AI 点缀，仅小面积使用） */
    --brand: #1257e0;
    --brand-600: #0f49bd;
    --brand-700: #0b3a97;
    --brand-050: #eef4ff;
    --brand-100: #dce8ff;
    --navy: #06070c;
    --navy-2: #0b0d16;
    --cyan: #6b7cff;

    /* 主流 AI 科技风暗色体系：近黑底 + 白字 + 极克制的强调色 */
    --tech-0: #04050a;
    --tech-1: #07080f;
    --tech-2: #0d1020;
    --tech-3: #171b2e;
    --tech-line: rgba(255, 255, 255, .09);
    --tech-line-2: rgba(255, 255, 255, .18);
    --on-dark: #f3f5f9;
    --on-dark-2: rgba(240, 242, 248, .70);
    --on-dark-3: rgba(228, 232, 242, .46);
    --neon: #96a3ff;
    --neon-2: #6b7cff;
    /* AI 渐变强调色（蓝紫 → 青绿）：只用于小面积点缀与描边 */
    --ai-1: #8fa8ff;
    --ai-2: #6ee7d4;
    --grad-ai: linear-gradient(96deg, #8fa8ff 0%, #6ee7d4 100%);
    /* 背景氛围光斑（低饱和冷色：只做空间氛围，不做霓虹） */
    --glow-red: rgba(52, 64, 118, .40);
    --glow-blue: rgba(26, 70, 152, .52);
    --glow-ink: rgba(20, 48, 110, .44);
    --glow-cyan: rgba(30, 112, 124, .26);
    --glow-violet: rgba(70, 66, 140, .34);

    /* 内页深色 Hero 呼吸参数：首页 .stg 不走这套（它保留自己的 10s 强呼吸 + 粒子流场），
       这里只服务 page-hero / ec-hero / cpv-hero / gs-hero 四套内页横幅。
       内页周期 15~18s、色相摆幅 8~11deg（首页 10s / 20deg），保留可读的层级差。
       注意：呼吸的可见度主要来自关键帧里的 background-position 错动，
       下面这些量只是叠在它上面的幅度微调；各家族在自己的雾层里覆盖需要的项，
       就能在同一种呼吸语言下保留性格差异 */
    --hb-x: 2%;
    --hb-y: 1.6%;
    --hb-s0: 1.02;
    --hb-s1: 1.07;
    --hb-h: 9deg;
    --hb-o0: .55;
    --hb-o1: 1;

    /* 中性色 */
    --ink: #0b1729;
    --ink-2: #2a3b52;
    --ink-3: #55677e;
    --ink-4: #7e8da2;
    --line: #e4e9f0;
    --line-2: #eef1f6;
    --bg: #ffffff;
    --bg-soft: #f6f8fc;
    --bg-soft-2: #f0f4fa;

    /* 语义 */
    --ok: #0f9d6e;
    --warn: #d98207;

    /* 版式 */
    --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei",
        "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", -apple-system,
        BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    --font-en: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Arial, sans-serif;

    /* 尺寸 */
    --maxw: 1240px;
    --maxw-narrow: 960px;
    --header-h: 68px;
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-xl: 20px;

    /* 阴影（低饱和、无彩色光晕） */
    --sh-1: 0 1px 2px rgba(11, 23, 41, .05);
    --sh-2: 0 4px 16px rgba(11, 23, 41, .07);
    --sh-3: 0 12px 40px rgba(11, 23, 41, .10);
    --sh-nav: 0 16px 48px rgba(7, 22, 52, .14);
    --sh-mega: 0 24px 64px rgba(0, 0, 0, .62);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-2);
    background: var(--bg);
    /* 关键：字体清晰渲染 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-synthesis: none;
    overflow-x: hidden;
}

img,
svg {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

h1,
h2,
h3,
h4,
h5,
p,
figure {
    margin: 0;
}

/* ---------- 3. 版式 ---------- */
h1,
h2,
h3,
h4 {
    color: var(--ink);
    font-weight: 700;
    line-height: 1.28;
    letter-spacing: -0.01em;
}

.h-display {
    font-size: 52px;
    line-height: 1.2;
}

.h1 {
    font-size: 40px;
}

.h2 {
    font-size: 32px;
}

.h3 {
    font-size: 22px;
}

.h4 {
    font-size: 18px;
}

.lead {
    font-size: 18px;
    line-height: 1.8;
    color: var(--ink-3);
}

.body-lg {
    font-size: 17px;
    line-height: 1.85;
}

.small {
    font-size: 14px;
    line-height: 1.7;
}

.tiny {
    font-size: 13px;
    line-height: 1.6;
}

.en {
    font-family: var(--font-en);
    letter-spacing: 0;
}

.mono-num {
    font-family: var(--font-en);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.t-ink {
    color: var(--ink);
}

.t-mute {
    color: var(--ink-3);
}

.t-brand {
    color: var(--brand);
}

.t-center {
    text-align: center;
}

.nowrap {
    white-space: nowrap;
}

/* ---------- 4. 布局 ---------- */
.wrap {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
}

.wrap-narrow {
    max-width: var(--maxw-narrow);
}

.section {
    padding: 96px 0;
}

.section-sm {
    padding: 64px 0;
}

.section-soft {
    background: var(--bg-soft);
}

.section-line {
    border-top: 1px solid var(--line-2);
}

.grid {
    display: grid;
    gap: 24px;
}

.g2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.g3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.g4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flex {
    display: flex;
}

.ac {
    align-items: center;
}

.jb {
    justify-content: space-between;
}

.gap8 {
    gap: 8px;
}

.gap12 {
    gap: 12px;
}

.gap16 {
    gap: 16px;
}

.gap24 {
    gap: 24px;
}

.mt8 {
    margin-top: 8px;
}

.mt12 {
    margin-top: 12px;
}

.mt16 {
    margin-top: 16px;
}

.mt24 {
    margin-top: 24px;
}

.mt32 {
    margin-top: 32px;
}

.mt48 {
    margin-top: 48px;
}

.mt64 {
    margin-top: 64px;
}

/* ---------- 5. 版块标题 ---------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .08em;
    color: var(--brand);
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
}

.sec-head {
    max-width: 760px;
}

.sec-head .h2 {
    margin-top: 14px;
}

.sec-head .lead {
    margin-top: 16px;
}

.sec-head.center {
    margin: 0 auto;
    text-align: center;
}

.sec-head.center .eyebrow::before {
    display: none;
}

/* ---------- 6. 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 22px;
    border-radius: var(--r-sm);
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.btn svg {
    width: 16px;
    height: 16px;
    flex: none;
}

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: var(--sh-1);
}

.btn-primary:hover {
    background: var(--brand-600);
}

.btn-ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
}

.btn-ghost:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.btn-dark {
    background: var(--navy);
    color: #fff;
}

.btn-dark:hover {
    background: var(--navy-2);
}

.btn-onnavy {
    background: #fff;
    color: var(--brand);
    border: 1px solid rgba(18, 87, 224, .32);
}

.btn-onnavy:hover {
    background: rgba(18, 87, 224, .06);
    border-color: var(--brand);
}

.btn-sm {
    height: 38px;
    padding: 0 16px;
    font-size: 14px;
}

.btn-lg {
    height: 52px;
    padding: 0 28px;
    font-size: 16px;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-weight: 600;
    font-size: 15px;
}

.link-arrow svg {
    width: 15px;
    height: 15px;
    transition: transform .18s ease;
}

.link-arrow:hover svg {
    transform: translateX(3px);
}

/* ---------- 7. 通用组件 ---------- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 26px;
    padding: 0 10px;
    border-radius: 4px;
    background: var(--brand-050);
    color: var(--brand-700);
    font-size: 12px;
    font-weight: 600;
}

.tag-line {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink-3);
}

.panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
}

.icon-sq {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-050);
    color: var(--brand);
    flex: none;
}

.icon-sq svg {
    width: 22px;
    height: 22px;
}

.divider {
    height: 1px;
    background: var(--line-2);
    border: 0;
    margin: 0;
}

/* 序号列表行（替代卡片的信息行式布局） */
.rows {
    border-top: 1px solid var(--line);
}

.row-item {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr) auto;
    gap: 28px;
    align-items: start;
    padding: 28px 4px;
    border-bottom: 1px solid var(--line);
    transition: background-color .18s ease;
}

.row-item:hover {
    background: var(--bg-soft);
}

.row-no {
    font-family: var(--font-en);
    font-size: 15px;
    font-weight: 700;
    color: var(--brand);
    padding-top: 2px;
    letter-spacing: .04em;
}

.row-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
}

.row-desc {
    margin-top: 8px;
    color: var(--ink-3);
    font-size: 15px;
    line-height: 1.8;
}

/* 特性小项 */
.feat {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: #fff;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.feat:hover {
    border-color: var(--brand-100);
    box-shadow: var(--sh-2);
    transform: translateY(-2px);
}

.feat .h4 {
    margin-top: 16px;
}

.feat p {
    margin-top: 8px;
    color: var(--ink-3);
    font-size: 15px;
}

/* 勾选清单 */
.checks li {
    position: relative;
    padding-left: 26px;
    margin-top: 12px;
    color: var(--ink-2);
    font-size: 15px;
    line-height: 1.8;
}

.checks li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    background: var(--brand-050);
    border: 1px solid var(--brand-100);
}

.checks li::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 13px;
    width: 5px;
    height: 3px;
    border-left: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
    transform: rotate(-45deg);
}

/* ---------- 8. Header / 导航（玻璃层 + 渐变发光细线）---------- */
/* 顶栏：深色实底（不依赖后方内容取色）+ 同色系冷光，与首屏背景无缝衔接 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background:
        linear-gradient(180deg, rgba(15, 21, 46, .97) 0%, rgba(11, 16, 36, .97) 56%, rgba(8, 11, 26, .97) 100%);
    -webkit-backdrop-filter: blur(18px) saturate(120%);
    backdrop-filter: blur(18px) saturate(120%);
    transition: background .2s ease, box-shadow .2s ease;
}

/* 顶栏内的冷光层：同一蓝调的柔和渐隐（无点阵、无混色） */
.site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(52% 200% at 8% 0%, rgba(96, 126, 212, .22), transparent 72%),
        radial-gradient(46% 210% at 92% 6%, rgba(52, 100, 186, .20), transparent 72%);
}

/* 底部一道渐变细线，代替普通边框（单一冷蓝，克制） */
.site-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(132, 158, 226, .42) 18%, rgba(150, 176, 232, .38) 52%, rgba(132, 158, 226, .30) 80%, transparent);
}

.site-header.is-scrolled {
    background:
        linear-gradient(180deg, rgba(12, 17, 40, .985) 0%, rgba(7, 10, 24, .985) 100%);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .58);
}

.nav {
    position: relative;
    z-index: 1;
    height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 26px;
}

.brand {
    display: flex;
    align-items: center;
    flex: none;
}

/* 官方 logo 图：以高度对齐导航，宽度自适应 */
.brand-logo {
    display: block;
    height: 30px;
    width: auto;
    flex: none;
}

/* 页脚 logo：整块页脚高度收紧后，38px 显得偏大，降到 32px */
.site-footer .brand-logo {
    height: 32px;
}

.nav-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: 2px;
    height: 100%;
    padding-left: 24px;
    flex: 1;
}

/* logo 与栏目之间的渐变竖分隔 */
.nav-menu::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 26px;
    margin-top: -13px;
    background: linear-gradient(180deg, transparent, rgba(168, 190, 244, .46), transparent);
}

.nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 0 15px;
    height: 100%;
    font-size: 15px;
    font-weight: 500;
    color: var(--on-dark-2);
    position: relative;
    transition: color .16s ease;
}

/* 悬停 / 选中态的底衬：只做一层极淡的背景晕，不描边、不加高光。
   之前的内描边 + 顶部高光会在深底上勾出一个「按钮框」，
   和旁边的纯文字菜单不是一套语言；激活标识交给下方渐变下划线 */
.nav-link::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 50%;
    height: 36px;
    margin-top: -18px;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .07) 0%, rgba(255, 255, 255, .02) 100%);
    opacity: 0;
    transition: opacity .16s ease;
}

/* 渐变下划线（蓝紫 → 青绿），从中心向两端展开 */
.nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 12px;
    height: 2px;
    border-radius: 2px;
    background: var(--grad-ai);
    opacity: 0;
    transition: left .2s ease, right .2s ease, opacity .18s ease;
}

.nav-link:hover,
.nav-item.is-open>.nav-link {
    color: #fff;
}

/* 当前页只保留：白字 + 加粗 + 下方发光下划线。
   底衬不亮（不然静态就是个框），把「当前位置」交给下划线表达 */
.nav-link.is-active::before {
    opacity: 0;
}

.nav-link:hover::before,
.nav-item.is-open>.nav-link::before {
    opacity: 1;
}

.nav-link:hover::after,
.nav-item.is-open>.nav-link::after,
.nav-link.is-active::after {
    left: 16px;
    right: 16px;
    opacity: 1;
}

.nav-link.is-active {
    color: #fff;
    font-weight: 600;
}

.nav-link.is-active::after {
    box-shadow: 0 0 12px rgba(143, 168, 255, .55);
}

.nav-caret {
    width: 10px;
    height: 10px;
    transition: transform .18s ease;
    opacity: .6;
}

.nav-item.is-open .nav-caret {
    transform: rotate(180deg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: none;
}

/* 顶栏主按钮：深蓝渐变 + 顶部内高光 + 冷光投影（克制，不用霓虹） */
.site-header .btn-primary {
    background: linear-gradient(180deg, #3a5fd4 0%, #2743ac 100%);
    border: 1px solid rgba(160, 184, 250, .34);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .22),
        0 8px 20px rgba(24, 46, 128, .46);
}

.site-header .btn-primary:hover {
    background: linear-gradient(180deg, #476ce6 0%, #2f4ec2 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .28),
        0 10px 26px rgba(32, 58, 152, .56);
}

/* ---------- 二级菜单：深色玻璃面板 + 渐变高光边 + 扫光 hover ---------- */
/* 面板尺度：一级项只是入口，真正做选择的是这张面板，所以它得有分量：
   宽度从 396/476 提到 432/552，行高与字号同步加大 —— 宽度不够时
   描述句会折成三行，面板反而又窄又拥挤，那才是“小气”的真原因。
   max-width 兑成视口宽兼容窄屏，不致于加宽后被右侧裁掉 */
.submenu {
    position: absolute;
    top: calc(100% - 2px);
    left: -12px;
    width: 432px;
    max-width: calc(100vw - 40px);
    padding: 10px;
    background: linear-gradient(180deg, #101527 0%, #090c16 100%);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    box-shadow: 0 34px 84px rgba(0, 0, 0, .72), inset 0 1px 0 rgba(255, 255, 255, .07);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
}

/* 顶部渐变高光边 */
.submenu::before {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ai-1), var(--ai-2), transparent);
    opacity: .78;
}

/* 面板内右上角冷光，给科技质感（不用点阵） */
.submenu::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(70% 60% at 100% 0%, rgba(143, 168, 255, .12), transparent 70%);
}

.submenu.submenu-wide {
    width: 552px;
}

/* 靠近导航右端的那一项（国际化）改成右对齐：
   面板加宽后左对齐会往右顶出去，右对齐才能始终落在画面内 */
.nav-item:nth-last-child(2) .submenu {
    left: auto;
    right: -12px;
}

.nav-item.is-open .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-link {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 14px;
    padding: 13px 14px;
    border-radius: 12px;
    transition: background .16s ease;
}

.sub-link:hover {
    background: linear-gradient(90deg, rgba(96, 132, 255, .17), rgba(110, 231, 212, .06) 56%, transparent);
}

/* hover 时左侧出现渐变竖条 */
.sub-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    bottom: 11px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--ai-1), var(--ai-2));
    opacity: 0;
    transition: opacity .16s ease;
}

.sub-link:hover::before {
    opacity: 1;
}

.sub-ico {
    width: 38px;
    height: 38px;
    margin-top: 1px;
    border-radius: 11px;
    background: linear-gradient(158deg, rgba(143, 168, 255, .2), rgba(110, 231, 212, .08));
    border: 1px solid rgba(255, 255, 255, .14);
    color: var(--ai-1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
    transition: border-color .16s ease, box-shadow .16s ease, color .16s ease;
}

.sub-link:hover .sub-ico {
    border-color: rgba(143, 168, 255, .44);
    box-shadow: 0 0 0 3px rgba(143, 168, 255, .10);
    color: #fff;
}

.sub-ico svg {
    width: 19px;
    height: 19px;
}

.sub-tx {
    min-width: 0;
}

.sub-tt {
    font-size: 16px;
    font-weight: 600;
    color: var(--on-dark);
    display: flex;
    align-items: center;
    gap: 9px;
    line-height: 1.5;
}

/* 业务分类标到了要被读的位置（eClins 到底是哪一块，全靠它交代），
   只靠颜色区分时它会被当成副文滑过去，所以给一个青色胶囊底 */
.sub-tt em {
    font-style: normal;
    font-size: 11.5px;
    font-weight: 600;
    color: rgba(140, 244, 224, .96);
    letter-spacing: .04em;
    white-space: nowrap;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(110, 231, 212, .12);
    border: 1px solid rgba(110, 231, 212, .26);
}

/* 描述句之前用 --on-dark-3（.46 透），在深底上几乎读不出来；
   它是真要被读的句子，不是装饰，直接提到 .74 并加大半号 */
.sub-dd {
    display: block;
    margin-top: 4px;
    font-size: 13.5px;
    line-height: 1.68;
    color: rgba(228, 232, 242, .74);
}

.sub-go {
    display: none;
}

/* 面板内的小标题区（带渐变短线） */
.submenu-hd {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    margin-bottom: 4px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .16em;
    color: rgba(228, 232, 242, .64);
}

.submenu-hd::before {
    content: "";
    width: 15px;
    height: 2px;
    border-radius: 2px;
    flex: none;
    background: var(--grad-ai);
}

.submenu-hd b {
    display: none;
}

.submenu-foot {
    position: relative;
    z-index: 1;
    margin-top: 6px;
    padding: 12px 14px 6px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    font-size: 12.5px;
    line-height: 1.62;
    color: rgba(228, 232, 242, .62);
}

/* 底部入口做成一粒胶囊按钮：它和上面四项不是同一类东西，
   读成纯文字链接时会跟旁边的说明句粘在一起 */
.submenu-foot .link-arrow {
    flex: none;
    padding: 6px 13px;
    border-radius: 999px;
    border: 1px solid rgba(143, 168, 255, .34);
    background: rgba(143, 168, 255, .1);
    color: #eaf0ff;
    font-size: 12.5px;
    transition: border-color .16s ease, background .16s ease, color .16s ease;
}

.submenu-foot .link-arrow:hover {
    border-color: rgba(110, 231, 212, .6);
    background: rgba(110, 231, 212, .14);
    color: #fff;
}

/* 移动端 */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: #fff;
    border: 1px solid var(--tech-line-2);
    border-radius: var(--r-sm);
}

.nav-toggle svg {
    width: 20px;
    height: 20px;
}

.lang {
    position: relative;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 12px;
    font-size: 14px;
    color: var(--on-dark-2);
    border: 1px solid rgba(178, 198, 246, .18);
    border-radius: 999px;
    background: rgba(255, 255, 255, .045);
}

.lang-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, .09);
    border-color: rgba(178, 198, 246, .34);
}

.lang-btn svg {
    width: 15px;
    height: 15px;
    opacity: .7;
}

.lang-pop {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 132px;
    background: linear-gradient(180deg, #0d1020, #080a12);
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 12px;
    box-shadow: 0 22px 54px rgba(0, 0, 0, .60), inset 0 1px 0 rgba(255, 255, 255, .06);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .16s ease, transform .16s ease, visibility .16s;
}

.lang.is-open .lang-pop {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-pop a {
    display: block;
    padding: 8px 10px;
    border-radius: 7px;
    font-size: 14px;
    color: var(--on-dark-2);
}

.lang-pop a:hover {
    background: linear-gradient(90deg, rgba(96, 132, 255, .16), transparent);
    color: #fff;
}

.lang-pop a.on {
    color: var(--on-dark);
    font-weight: 600;
}

/* Header 内的主按钮：白底黑字（主流 AI 产品做法，最高对比、最少颜色）
   外围加一层极淡渐变光环，带一点 AI 质感但不抢戏 */
.nav-actions .btn-primary {
    position: relative;
    background: #fff;
    color: #06070c;
    font-weight: 600;
    box-shadow: 0 0 0 1px rgba(143, 168, 255, .28), 0 6px 20px rgba(96, 132, 255, .16);
}

.nav-actions .btn-primary:hover {
    background: rgba(255, 255, 255, .88);
    color: #06070c;
}

/* ---------- 9. Footer：一块深色页脚收尾，只分左右两部分——左边公司信息（logo + 简介，
   发丝线下接联系区），右边三列纯文字链接，最下一条细版权带。
   自身带一道 2px 顶部光缝和一层缓慢呼吸的蓝色光雾（沿用全站 bgBreath） ---------- */
.site-footer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #070c18 0%, #0a1020 40%, #05070d 100%);
    color: rgba(226, 234, 250, .72);
    padding: 0;
    font-size: 14px;
}

/* 与上方浅色区的分界光缝，与 logo 墙顶部同一语言 */
.site-footer::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 2px;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(18, 87, 224, .5) 24%,
            rgba(90, 180, 255, .7) 50%,
            rgba(18, 87, 224, .5) 76%,
            transparent 100%);
}

/* 页脚自己的呼吸光雾：模糊半径必须走 --bl，否则关键帧会按默认值压掉。
   以前光堆偏在左下角，两边轻重不一样，看着不协调；现在改为以中轴为准、强度更低的一层底雾 */
.site-footer::after {
    --bl: 72px;
    content: "";
    position: absolute;
    inset: -30% -6%;
    pointer-events: none;
    background:
        radial-gradient(46% 48% at 50% 6%, rgba(46, 104, 226, .26), transparent 72%),
        radial-gradient(34% 40% at 14% 82%, rgba(34, 84, 200, .18), transparent 74%),
        radial-gradient(34% 40% at 86% 82%, rgba(34, 84, 200, .18), transparent 74%);
    background-size: 150% 150%, 160% 160%, 160% 160%;
    background-position: 50% 6%, 14% 82%, 86% 82%;
    filter: blur(72px);
    animation: bgBreath 15s ease-in-out infinite;
}

.site-footer .wrap {
    position: relative;
    z-index: 1;
}

/* 页脚整体高度再收一档：上 42/下 26 改成 26/16，行内各处间距同步压紧。
   页脚只是收尾，竖向空间不该超过上面任何一个内容区 */
.foot-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.72fr);
    align-items: start;
    gap: 20px 72px;
    padding: 26px 0 16px;
}

/* 三列导航纯文字排布，不再加竖发丝线与色块下划线；
   三列用 space-between 撑到内容区右边缘，不让右侧空出一大块；
   顶部稍往下推一点，让列标题与左侧 logo 在同一水平线上 */
.foot-nav {
    display: grid;
    grid-template-columns: repeat(3, max-content);
    justify-content: space-between;
    gap: 22px 48px;
    padding-top: 2px;
}

/* 联系区回到左列跟在简介后面，上面一道发丝线把它与简介分开：
   小标与城市各占一行，中间那行是大号电话加邮箱（基线对齐），
   三行下来高度与右侧三列链接相当，不会一边高一边矮 */
.foot-ct {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 18px;
    row-gap: 7px;
    margin-top: 11px;
    padding-top: 11px;
    border-top: 1px solid rgba(255, 255, 255, .09);
}

.foot-ct-lb {
    flex: 0 0 100%;
    font-family: var(--font-en);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(140, 180, 255, .78);
}

/* 大号等宽电话仍是这块的视觉重心（高度再收后从 21px 降到 19px） */
.foot-num {
    font-family: var(--font-en);
    font-size: 19px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: #fff;
    transition: opacity .16s ease;
}

.foot-num:hover {
    opacity: .76;
}

.foot-line {
    font-size: 14.5px;
    color: rgba(226, 234, 250, .68);
    transition: color .16s ease;
}

.foot-line:hover {
    color: #fff;
}

.foot-city {
    flex: 0 0 100%;
    font-size: 13.5px;
    color: rgba(226, 234, 250, .45);
}

.foot-desc {
    margin-top: 10px;
    max-width: 330px;
    font-size: 13.5px;
    line-height: 1.7;
    color: rgba(226, 234, 250, .5);
}

.foot-col h5 {
    color: #fff;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: .01em;
    margin-bottom: 11px;
}

/* 行距从 19px 一路收到 9px：三列都是 4 条，排得紧一点才像一组导航，
   也能把页脚整体高度再撑低一档 */
.foot-col li {
    margin-bottom: 9px;
}

.foot-col li:last-child {
    margin-bottom: 0;
}

.foot-col a {
    display: inline-block;
    font-size: 14px;
    color: rgba(226, 234, 250, .58);
    transition: color .16s ease, transform .16s ease;
}

.foot-col a:hover {
    color: #fff;
    transform: translateX(3px);
}

.foot-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 12px;
    border-top: 1px solid rgba(255, 255, 255, .07);
    color: rgba(226, 234, 250, .42);
    font-size: 13px;
}

.foot-bottom a {
    color: rgba(226, 234, 250, .4);
}

.foot-bottom a:hover {
    color: #fff;
}

/* ---------- 10. 侧边联系条 ----------
   四个按钮装在一块圆角托板里（不再是一条边框硬切成四格的白盒子）。
   电话与邮箱点开是一张联系卡：号码 / 地址原样列出 + 「拨打·写邮件」与「复制」
   两个动作分开 —— 桌面端点 tel: 常常毫无反应，用户要的其实是看清号码并拿走。 */
.side-dock {
    position: fixed;
    right: 18px;
    bottom: 90px;
    z-index: 800;
    display: flex;
    flex-direction: column;
    padding: 5px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .97) 0%, rgba(247, 250, 255, .95) 100%);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .95),
        0 0 0 1px rgba(24, 52, 112, .08),
        0 14px 34px -14px rgba(11, 23, 41, .3);
}

.dock-it {
    position: relative;
}

/* 分隔线内缩到按钮里侧，托板边缘就不会出现一排横向到边的切口 */
.dock-it+.dock-it::before {
    content: '';
    position: absolute;
    left: 11px;
    right: 11px;
    top: 0;
    height: 1px;
    background: var(--line-2);
}

.dock-btn {
    position: relative;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    color: var(--ink-3);
    transition: background-color .18s ease, color .18s ease, box-shadow .18s ease;
}

.dock-btn svg {
    width: 19px;
    height: 19px;
}

.dock-btn:hover {
    background: var(--brand-050);
    color: var(--brand);
}

.dock-it.is-open .dock-btn {
    color: #fff;
    background: linear-gradient(180deg, #2a6ceb 0%, var(--brand) 100%);
    box-shadow: 0 6px 14px -6px rgba(18, 87, 224, .7);
}

/* 悬浮小标：只给「在线咨询 / 回到顶部」这两个没有卡片的按钮用 */
.dock-tip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    height: 30px;
    padding: 0 11px;
    display: flex;
    align-items: center;
    background: #0d1a33;
    color: #fff;
    font-size: 12.5px;
    letter-spacing: .02em;
    border-radius: 8px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-50%) translateX(4px);
    box-shadow: 0 8px 20px -8px rgba(11, 23, 41, .5);
    transition: opacity .18s ease, transform .18s ease;
}

.dock-tip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    margin-top: -4px;
    border: 4px solid transparent;
    border-left-color: #0d1a33;
}

.dock-btn:hover .dock-tip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* 联系卡 */
.dock-card {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    width: 262px;
    padding: 17px 16px 15px;
    border-radius: 14px;
    background: #fff;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-50%) translateX(9px);
    box-shadow:
        0 0 0 1px rgba(24, 52, 112, .08),
        0 22px 48px -16px rgba(11, 23, 41, .3);
    transition: opacity .22s ease, transform .22s cubic-bezier(.22, 1, .36, 1), visibility .22s;
}

/* 卡顶一条蓝→青压条：与站内其他「设备面板」用的是同一句话 */
.dock-card::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    border-radius: 14px 14px 0 0;
    background: linear-gradient(90deg, var(--brand) 0%, #2f86e8 54%, #22b3c6 100%);
}

/* 指向按钮的小尖角。注意卡片不能开 overflow:hidden，否则尖角被裁掉 */
.dock-card::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    margin-top: -5px;
    width: 10px;
    height: 10px;
    background: #fff;
    transform: rotate(45deg);
    box-shadow: 1px -1px 0 rgba(24, 52, 112, .08);
}

.dock-it.is-open .dock-card {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
}

.dock-card-hd {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 3px 0 12px;
}

.dock-card-ic {
    width: 30px;
    height: 30px;
    flex: none;
    display: grid;
    place-items: center;
    border-radius: 9px;
    color: var(--brand);
    background: var(--brand-050);
    box-shadow: inset 0 0 0 1px rgba(18, 87, 224, .12);
}

.dock-card-ic svg {
    width: 16px;
    height: 16px;
}

.dock-card-tx {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.dock-card-tx b {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: .02em;
}

.dock-card-tx em {
    font-style: normal;
    font-size: 11.5px;
    color: var(--ink-4);
}

.dock-card-val {
    font-family: var(--font-en);
    font-size: 17px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: .01em;
    color: var(--ink);
    padding: 0 0 13px;
    border-bottom: 1px solid var(--line-2);
}

.dock-card-act {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.dock-act {
    flex: 1;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    border-radius: 9px;
    color: var(--ink-2);
    background: #fff;
    box-shadow: inset 0 0 0 1px var(--line);
    transition: background-color .16s ease, color .16s ease, box-shadow .16s ease;
}

.dock-act svg {
    width: 14px;
    height: 14px;
    flex: none;
}

.dock-act:hover {
    color: var(--brand);
    background: var(--brand-050);
    box-shadow: inset 0 0 0 1px rgba(18, 87, 224, .34);
}

.dock-act.is-main {
    color: #fff;
    background: linear-gradient(180deg, #2a6ceb 0%, var(--brand) 100%);
    box-shadow: 0 5px 13px -6px rgba(18, 87, 224, .8);
}

.dock-act.is-main:hover {
    color: #fff;
    background: linear-gradient(180deg, #1f60de 0%, var(--brand-600) 100%);
}

/* 复制成功的一瞬反馈：换成对勾 + 语义绿，1.6s 后自己退回 */
.dock-act.is-done {
    color: var(--ok);
    background: #eefaf5;
    box-shadow: inset 0 0 0 1px rgba(15, 157, 110, .3);
}

/* ---------- 11. 进场动画（仅位移+透明度，不影响清晰度） ---------- */
.rv {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s ease, transform .5s ease;
}

.rv.in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .rv {
        opacity: 1;
        transform: none;
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1180px) {
    .nav {
        gap: 20px;
    }

    .nav-link {
        padding: 0 10px;
        font-size: 14px;
    }

    /* 导航开始挤宽度时，面板同比收一档，不致于顶出视口 */
    .submenu {
        width: 404px;
    }

    .submenu.submenu-wide {
        width: 476px;
    }
}

@media (max-width: 1024px) {
    :root {
        --header-h: 62px;
    }

    .h-display {
        font-size: 38px;
    }

    .h1 {
        font-size: 30px;
    }

    .h2 {
        font-size: 26px;
    }

    .section {
        padding: 64px 0;
    }

    .wrap {
        padding: 0 20px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        inset: var(--header-h) 0 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        height: auto;
        background: #06070c;
        padding: 12px 20px 40px;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform .24s ease;
        border-top: 1px solid var(--tech-line);
    }

    body.nav-open .nav-menu {
        transform: translateX(0);
    }

    body.nav-open {
        overflow: hidden;
    }

    .nav-item {
        display: block;
        height: auto;
        border-bottom: 1px solid var(--tech-line);
    }

    .nav-link {
        height: 54px;
        justify-content: space-between;
        font-size: 16px;
        padding: 0 4px;
    }

    .nav-link.is-active::after,
    .nav-item.is-open>.nav-link::after {
        display: none;
    }

    .submenu,
    .submenu.submenu-wide {
        position: static;
        width: auto;
        max-width: none;
        min-width: 0;
        margin-left: 0;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: 0;
        border-radius: 0;
        padding: 0 0 10px;
        background: transparent;
        overflow: visible;
    }

    .sub-link {
        padding: 12px 0;
        border-radius: 0;
    }

    .sub-link:hover {
        background: transparent;
    }

    .nav-item.is-open .submenu,
    .nav-item.is-open .submenu.submenu-wide {
        display: block;
    }

    .submenu-foot {
        display: none;
    }

    .sub-go,
    .submenu-hd {
        display: none;
    }

    .nav-actions .btn-primary {
        height: 38px;
        padding: 0 14px;
        font-size: 14px;
    }

    .g4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .g3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .foot-top {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px;
        padding: 34px 0 22px;
    }

    .foot-ct {
        margin-top: 14px;
        padding-top: 14px;
    }

    .foot-line {
        font-size: 14.5px;
    }

    .side-dock {
        display: none;
    }

    .row-item {
        grid-template-columns: 56px minmax(0, 1fr);
        gap: 16px;
        padding: 22px 2px;
    }
}

@media (max-width: 680px) {
    .h-display {
        font-size: 30px;
    }

    .lead {
        font-size: 16px;
    }

    .g2,
    .g3,
    .g4 {
        grid-template-columns: 1fr;
    }

    .foot-top {
        grid-template-columns: 1fr;
    }

    .foot-nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 20px;
    }

    /* 窄屏下电话与邮箱排不开，让它们各占一行 */
    .foot-num,
    .foot-line {
        flex: 0 0 100%;
    }
}

/* ==========================================================================
   预约咨询弹窗（信息收集）：全站共用，由 main.js 注入
   ========================================================================== */
.cs-mask {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(5, 8, 18, .62);
    opacity: 0;
    visibility: hidden;
    transition: opacity .24s ease, visibility .24s ease;
}

.cs-mask.on {
    opacity: 1;
    visibility: visible;
}

.cs-card {
    position: relative;
    width: 100%;
    max-width: 620px;
    max-height: calc(100vh - 48px);
    overflow: auto;
    padding: 34px 36px 30px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 30px 80px rgba(4, 8, 22, .42);
    transform: translateY(14px);
    transition: transform .28s ease;
}

.cs-mask.on .cs-card {
    transform: none;
}

.cs-x {
    position: absolute;
    right: 18px;
    top: 18px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: #fff;
    color: var(--ink-3);
    cursor: pointer;
    transition: color .2s ease, border-color .2s ease;
}

.cs-x svg {
    width: 15px;
    height: 15px;
}

.cs-x:hover {
    color: var(--brand);
    border-color: var(--brand);
}

.cs-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--brand);
}

.cs-eyebrow::before {
    content: "";
    width: 20px;
    height: 1px;
    background: var(--brand);
    opacity: .5;
}

.cs-hd h3 {
    margin: 10px 0 0;
    font-size: 25px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.cs-hd p {
    margin: 9px 0 0;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--ink-3);
}

.cs-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
    margin-top: 22px;
}

.cs-f {
    display: block;
    min-width: 0;
}

.cs-f-wide {
    grid-column: 1 / -1;
}

.cs-f>span {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-2);
}

.cs-f>span i {
    margin-left: 3px;
    font-style: normal;
    color: #d9483b;
}

.cs-f input,
.cs-f textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg-soft);
    font: inherit;
    font-size: 14px;
    color: var(--ink);
    transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.cs-f textarea {
    resize: vertical;
    min-height: 84px;
    line-height: 1.7;
}

.cs-f input::placeholder,
.cs-f textarea::placeholder {
    color: var(--ink-4);
}

.cs-f input:focus,
.cs-f textarea:focus {
    outline: none;
    background: #fff;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(18, 87, 224, .12);
}

.cs-err {
    grid-column: 1 / -1;
    min-height: 18px;
    font-size: 13px;
    color: #d9483b;
}

.cs-submit {
    grid-column: 1 / -1;
    height: 48px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(96deg, #1257e0 0%, #3f8bff 100%);
    font: inherit;
    font-size: 15.5px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: filter .2s ease, box-shadow .2s ease;
}

.cs-submit:hover {
    filter: brightness(1.06);
    box-shadow: 0 10px 26px rgba(18, 87, 224, .28);
}

.cs-note {
    grid-column: 1 / -1;
    font-size: 12px;
    line-height: 1.7;
    color: var(--ink-4);
}

/* 提交成功态 */
.cs-ok {
    display: none;
    text-align: center;
    padding: 10px 0 6px;
}

.cs-mask.is-done .cs-form,
.cs-mask.is-done .cs-hd {
    display: none;
}

.cs-mask.is-done .cs-ok {
    display: block;
}

.cs-ok-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    border-radius: 50%;
    background: rgba(18, 87, 224, .1);
    color: var(--brand);
}

.cs-ok-ico svg {
    width: 26px;
    height: 26px;
}

.cs-ok b {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--ink);
}

.cs-ok>span:not(.cs-ok-ico) {
    display: block;
    margin: 10px auto 0;
    max-width: 420px;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--ink-3);
}

/* 成功页里的电话：这句话限宽 420px，行末正好把 4000-9988-31 从连字符处
   拆成两截，nowrap 让号码整段跑。标签用 span 不用 b：.cs-ok b 是给标题用的
   （block + 20px），拿 b 包电话会被它打成单独一行的大字 */
.cs-ok .cs-tel {
    display: inline;
    font-size: inherit;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
}

.cs-ok-btn {
    margin-top: 22px;
    width: 100%;
}

@media (max-width: 680px) {
    .cs-card {
        padding: 28px 20px 24px;
        border-radius: 14px;
    }

    .cs-form {
        grid-template-columns: 1fr;
    }

    .cs-hd h3 {
        font-size: 22px;
    }
}