/* =========================================================
   尧曦未来官网 · 全站样式（2026-09 改版）
   版式节奏参照版式参考站，数值按实测取整：
   顶栏 105px / 导航 18px / 服务大菜单卡片 20px 圆角 / 区块标题 24px / 大号陈述句 38px 细体 /
   案例与资讯卡片 30px 圆角 / 主色 #3357F6 / 页脚白底五列
   字体：自托管 Noto Sans SC 子集（OFL，assets/fonts），不依赖第三方字体服务
   —— 动效全部挂在 .js 之下（html 无 js class 时内容全部可见），prefers-reduced-motion 下全部降级
   ========================================================= */
@font-face {
  font-family: "YX Sans";
  src: url("../fonts/yx-sans.woff2") format("woff2");
  font-weight: 200 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --blue: #3357F6;
  --blue-600: #2743D8;
  --blue-50: #EEF2FF;

  --black: #000;
  --ink: #1A1A1A;
  --text: #333;
  --gray: #5F6368;
  --muted: #6F7479;        /* 说明文字：白底对比度 ≥ 4.5:1 */
  --faint: #C0C6CC;        /* 逐字点亮前的浅色，只用于动效过渡 */
  --line: #E5E6E8;
  --line-2: #DCE1E6;
  --bg: #FFF;
  --soft: #F2F7FC;         /* 菜单卡片 */
  --soft-2: #F2F6FB;       /* 浅灰蓝区块 */
  --soft-3: #F5F6F7;       /* 资讯卡片 */

  --r-10: 10px;
  --r-20: 20px;
  --r-30: 30px;

  --w: 1800px;
  --hh: 105px;
  --sec: clamp(88px, 8.4vw, 150px);

  --font: "YX Sans", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --glow: 0 20px 60px rgba(51, 87, 246, .2);

  /* 案例面板底色 / 配图卡渐变（原创配色，六种循环） */
  --t-sky: #E6F0FB;      --g-sky: radial-gradient(70% 90% at 72% 38%, #9ED3FF 0%, rgba(158, 211, 255, 0) 70%), linear-gradient(135deg, #DCEBFF, #C4E3FF 55%, #E8F3FF);
  --t-mint: #DDF6EE;     --g-mint: radial-gradient(70% 90% at 72% 38%, #7FF2CF 0%, rgba(127, 242, 207, 0) 70%), linear-gradient(135deg, #D2FAEC, #B6F5E0 55%, #E6FFF6);
  --t-lilac: #E4E1F7;    --g-lilac: radial-gradient(70% 90% at 72% 38%, #B8A6FF 0%, rgba(184, 166, 255, 0) 70%), linear-gradient(135deg, #E6E0FF, #D5CCFF 55%, #F0ECFF);
  --t-peach: #FBE6C8;    --g-peach: radial-gradient(70% 90% at 72% 38%, #FFD18A 0%, rgba(255, 209, 138, 0) 70%), linear-gradient(135deg, #FFEBD0, #FFE0B2 55%, #FFF3E2);
  --t-ice: #D8F2FB;      --g-ice: radial-gradient(70% 90% at 72% 38%, #7FD8FF 0%, rgba(127, 216, 255, 0) 70%), linear-gradient(135deg, #D6F3FF, #BDE9FF 55%, #E9F9FF);
  --t-rose: #F8E1EA;     --g-rose: radial-gradient(70% 90% at 72% 38%, #FFB3CD 0%, rgba(255, 179, 205, 0) 70%), linear-gradient(135deg, #FFE3EC, #FFD3E1 55%, #FFF0F5);
}
.tint-sky { --tint: var(--t-sky); --grad: var(--g-sky); }
.tint-mint { --tint: var(--t-mint); --grad: var(--g-mint); }
.tint-lilac { --tint: var(--t-lilac); --grad: var(--g-lilac); }
.tint-peach { --tint: var(--t-peach); --grad: var(--g-peach); }
.tint-ice { --tint: var(--t-ice); --grad: var(--g-ice); }
.tint-rose { --tint: var(--t-rose); --grad: var(--g-rose); }

/* ---------------- 基础 ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 16px/1.7 var(--font);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
[hidden] { display: none !important; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 500; line-height: 1.3; }
strong, b { font-weight: 600; color: var(--ink); }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
main:focus { outline: 0; }

.container { width: 92%; max-width: var(--w); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 300; padding: 10px 18px; border-radius: var(--r-10); background: var(--blue); color: #fff; transition: top .2s; }
.skip-link:focus { top: 12px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px; padding: 0 30px; border-radius: 50px;
  font-size: 18px; font-weight: 500; line-height: 1; white-space: nowrap;
  border: 1px solid transparent;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.btn svg { width: 22px; height: 22px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg:last-child { transform: translateX(4px); }
.btn-lg { height: 75px; min-width: 280px; padding: 0 40px; font-size: 20px; justify-content: space-between; }
.btn-lg svg { width: 28px; height: 28px; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-600); border-color: var(--blue-600); box-shadow: 0 16px 36px -12px rgba(51, 87, 246, .7); }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { color: var(--blue); box-shadow: var(--glow); }
.btn-line { border-color: var(--line-2); color: var(--ink); background: #fff; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.btn-glass { border-color: rgba(255, 255, 255, .5); color: #fff; background: rgba(255, 255, 255, .08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn-glass:hover { border-color: #fff; background: rgba(255, 255, 255, .16); }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-size: 18px; color: var(--ink); transition: color .25s; }
.link-arrow svg { width: 22px; height: 22px; transition: transform .3s var(--ease); }
.link-arrow:hover { color: var(--blue); }
.link-arrow:hover svg { transform: translateX(4px); }

.round-arrow { width: 50px; height: 50px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: #fff; transition: transform .35s var(--ease), background .3s, color .3s; }
.round-arrow svg { width: 22px; height: 22px; }
.round-btn { width: 80px; height: 80px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: #999; background: #fff; transition: all .3s var(--ease); }
.round-btn svg { width: 30px; height: 30px; }
.round-btn:hover:not(:disabled) { background: var(--blue); border-color: var(--blue); color: #fff; }
.round-btn:disabled { opacity: .45; cursor: default; }

/* ---------------- 顶栏 ---------------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100; height: var(--hh); color: var(--text);
  transition: background .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease);
}
.header-in { width: 92%; max-width: var(--w); height: 100%; margin: 0 auto; display: flex; align-items: center; }
.header.is-solid, .header.is-menu { background: #fff; box-shadow: 0 1px 0 rgba(0, 0, 0, .05); }
.header--overlay:not(.is-solid):not(.is-menu) { color: #fff; }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img { width: 40px; height: 40px; border-radius: 11px; }
.logo-txt { display: flex; flex-direction: column; line-height: 1.05; }
.logo-txt strong { font-size: 22px; font-weight: 600; color: inherit; letter-spacing: .06em; }
.logo-txt span { font-size: 10.5px; letter-spacing: .32em; opacity: .62; margin-top: 4px; }
.logo-slogan { margin-left: 22px; font-size: 16px; white-space: nowrap; }

.nav { margin-left: auto; height: 100%; }
.nav-list { display: flex; height: 100%; }
.nav-item { position: relative; height: 100%; display: flex; align-items: center; }
.nav-link { position: relative; display: flex; align-items: center; height: 100%; padding: 0 16px; font-size: 18px; transition: color .3s, opacity .3s; }
.nav-link::after { content: ""; position: absolute; left: 50%; top: calc(50% + 28px); width: 6px; height: 6px; margin-left: -3px; border-radius: 50%; background: var(--blue); transform: scale(0); transition: transform .3s var(--ease); }
.nav-item.is-on > .nav-link, .nav-item.is-open > .nav-link, .nav-link:hover { color: var(--blue); }
.nav-item.is-on > .nav-link::after { transform: scale(1); }
.header--overlay:not(.is-solid):not(.is-menu) .nav-item > .nav-link:hover { color: #fff; opacity: .72; }
.header--overlay:not(.is-solid):not(.is-menu) .nav-item.is-on > .nav-link::after { background: #fff; }

/* 普通下拉（案例 / 关于 / 新闻 / 联系） */
.drop {
  position: absolute; left: 50%; top: calc(100% - 5px); width: 220px; padding: 10px; margin-left: -110px;
  background: #fff; border-radius: var(--r-20); box-shadow: var(--glow); color: var(--text);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
}
.drop a, .drop button { display: block; width: 100%; text-align: left; padding: 10px; border-radius: var(--r-10); font-size: 16px; line-height: 25px; color: var(--text); transition: background .25s, color .25s; }
.drop a:hover, .drop button:hover, .drop a:focus-visible, .drop button:focus-visible { background: var(--soft); color: var(--blue); }

/* 服务大菜单：五张卡片（蓝色圆形图标 + 标题 + 分隔线 + 二级入口） */
.mega {
  position: fixed; left: 0; right: 0; top: var(--hh); width: 92%; max-width: var(--w); margin: 0 auto; padding: 20px;
  background: #fff; border-radius: var(--r-20); box-shadow: 0 20px 30px rgba(51, 87, 246, .2); color: var(--text);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .45s var(--ease), transform .45s var(--ease), visibility .45s;
}
.mega-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
.mega-card { padding: 20px; border-radius: var(--r-20); background: var(--soft); }
.mega-top { display: block; }
.mega-ico { width: 55px; height: 55px; border-radius: 50%; display: grid; place-items: center; background: var(--blue); color: #fff; transition: transform .4s var(--ease); }
.mega-ico svg { width: 28px; height: 28px; }
.mega-title { display: block; margin-top: 20px; font-size: 22px; font-weight: 600; color: var(--ink); line-height: 32px; transition: color .25s; }
.mega-top:hover .mega-title { color: var(--blue); }
.mega-top:hover .mega-ico { transform: scale(1.06); }
.mega-list { margin-top: 15px; padding-top: 12px; border-top: 1px solid var(--line-2); }
.mega-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 5px 0; font-size: 16px; line-height: 24px; color: var(--ink); transition: color .25s; }
.mega-list a svg { width: 18px; height: 18px; flex: none; opacity: 0; transform: translateX(-6px); transition: all .3s var(--ease); }
.mega-list a:hover, .mega-list a:focus-visible { color: var(--blue); }
.mega-list a:hover svg, .mega-list a:focus-visible svg { opacity: 1; transform: none; }

html:not(.js) .nav-item:hover > .drop, html:not(.js) .nav-item:focus-within > .drop,
html:not(.js) .nav-item:hover > .mega, html:not(.js) .nav-item:focus-within > .mega,
.nav-item.is-open > .drop, .nav-item.is-open > .mega { opacity: 1; visibility: visible; transform: none; }

.header-actions { display: flex; align-items: center; gap: 14px; margin-left: 20px; flex: none; }
.header-cta { height: 60px; padding: 0 30px; font-size: 18px; }
.icon-btn { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; transition: background .3s, color .3s; }
.icon-btn svg { width: 26px; height: 26px; }
.icon-btn:hover { background: var(--soft); color: var(--blue); }
.header--overlay:not(.is-solid):not(.is-menu) .icon-btn { background: rgba(255, 255, 255, .14); }
.header--overlay:not(.is-solid):not(.is-menu) .icon-btn:hover { background: rgba(255, 255, 255, .26); color: #fff; }
.menu-btn { display: none; }

/* 移动端抽屉：分组折叠，全部是原生 details，不开 JS 也能用 */
.drawer { position: fixed; inset: 0; z-index: 150; display: flex; flex-direction: column; background: #fff; color: var(--ink); overflow-y: auto; overscroll-behavior: contain; }
.drawer[hidden] { display: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; height: 70px; padding: 0 16px; border-bottom: 1px solid var(--line); flex: none; }
.drawer-nav { padding: 8px 16px 0; flex: 1; }
.drawer-nav > a, .drawer-group > summary { display: flex; align-items: center; justify-content: space-between; min-height: 60px; font-size: 18px; border-bottom: 1px solid var(--line); cursor: pointer; }
.drawer-group > summary { list-style: none; }
.drawer-group > summary::-webkit-details-marker { display: none; }
.drawer-group > summary svg { width: 20px; height: 20px; color: var(--muted); transition: transform .3s var(--ease); }
.drawer-group[open] > summary { color: var(--blue); }
.drawer-group[open] > summary svg { transform: rotate(180deg); color: var(--blue); }
.drawer-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px 0 18px; border-bottom: 1px solid var(--line); }
.drawer-sub a, .drawer-sub button { display: flex; align-items: center; min-height: 46px; padding: 0 14px; border-radius: var(--r-10); background: var(--soft); font-size: 15px; color: var(--text); text-align: left; }
.drawer-nav a[aria-current], .drawer-sub a[aria-current] { color: var(--blue); }
.drawer-foot { padding: 24px 16px 36px; flex: none; }
.drawer-foot .btn { width: 100%; }
.drawer-foot p { margin-top: 14px; text-align: center; font-size: 14px; color: var(--muted); }

/* ---------------- 区块通用 ---------------- */
.section { padding: var(--sec) 0; position: relative; }
.section--soft { background: var(--soft-2); }
.section--top0 { padding-top: 0; }
main [id] { scroll-margin-top: calc(var(--hh) + 70px); }

.sec-head { margin-bottom: clamp(48px, 5vw, 80px); }
.sec-label { font-size: 24px; line-height: 40px; font-weight: 500; color: var(--black); }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-top: 30px; }
.sec-statement { max-width: 920px; font-size: clamp(26px, 2.64vw, 38px); line-height: 1.3; font-weight: 300; color: var(--ink); }
.sec-action { flex: none; }
.sec-head--split { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; }
.sec-head--split .sec-head-row { margin-top: 0; flex: 0 1 780px; }
.sec-head--split .sec-statement { max-width: none; }
.statement-sec { padding-bottom: 0; }
.statement-block { max-width: 1060px; }
.statement-block .sec-label { color: #A6A9AD; font-weight: 400; }
.statement-block .sec-statement { margin-top: 30px; max-width: none; }

/* 逐字点亮：未点亮 #C0C6CC → 点亮 #1A1A1A；只在开了 JS 且未要求减少动效时生效 */
.js [data-lightup].is-split .ch { color: var(--faint); transition: color .25s linear; }
.js [data-lightup].is-split .ch.on { color: var(--ink); }

/* 滚动出现：不开 JS 时内容始终可见 */
.js .reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------------- 设备外框 ---------------- */
.device { position: relative; }
.device-screen { position: relative; overflow: hidden; background: #0B0C10; }
.device-screen img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.device--laptop .device-screen { aspect-ratio: 16 / 10; border: clamp(5px, .6vw, 10px) solid #121418; border-bottom-width: clamp(8px, .9vw, 14px); border-radius: clamp(8px, .9vw, 14px) clamp(8px, .9vw, 14px) 0 0; box-shadow: 0 0 0 1px rgba(255, 255, 255, .06) inset; }
.device-base { display: block; position: relative; height: clamp(8px, .9vw, 14px); margin: 0 -7%; border-radius: 0 0 16px 16px / 0 0 12px 12px; background: linear-gradient(180deg, #D9DCE2, #A9AEB8 70%, #7D838F); box-shadow: 0 18px 28px -14px rgba(10, 14, 30, .45); }
.device-base::before { content: ""; position: absolute; left: 50%; top: 0; width: 16%; height: 38%; margin-left: -8%; border-radius: 0 0 8px 8px; background: #9EA3AD; }
.device--phone .device-screen { aspect-ratio: 780 / 1688; border: clamp(4px, .5vw, 8px) solid #121418; border-radius: clamp(20px, 2.4vw, 38px); box-shadow: 0 24px 50px -20px rgba(10, 14, 30, .5), 0 0 0 1px #3A3D45; }
.device--phone .device-screen::before { content: ""; position: absolute; z-index: 1; left: 50%; top: 2.2%; width: 30%; height: 3%; margin-left: -15%; border-radius: 20px; background: #0B0C10; }

.visual-badge { position: absolute; right: 16px; bottom: 16px; z-index: 2; padding: 4px 12px; border-radius: 50px; font-size: 12px; line-height: 18px; color: var(--ink); background: rgba(255, 255, 255, .85); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.visual-badge--real { color: #fff; background: rgba(51, 87, 246, .88); }

/* ---------------- 首页首屏 ---------------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 620px; max-height: 1080px; color: #fff; overflow: hidden; isolation: isolate; background: #0B0C10; }
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-poster, .hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-video { opacity: 0; transition: opacity .8s var(--ease); }
.hero-video.is-playing { opacity: 1; }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(5, 6, 10, .7) 0%, rgba(5, 6, 10, .26) 46%, rgba(5, 6, 10, 0) 70%), linear-gradient(0deg, rgba(5, 6, 10, .72) 0%, rgba(5, 6, 10, 0) 38%); }
.hero-inner { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: clamp(150px, 17vh, 200px); }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 12px; font-size: 16px; letter-spacing: .12em; color: rgba(255, 255, 255, .82); }
.hero-eyebrow i { width: 30px; height: 2px; background: var(--blue); }
.hero-title { margin-top: 22px; color: #fff; font-size: clamp(40px, 4.6vw, 72px); line-height: 1.2; font-weight: 300; letter-spacing: .01em; }
.hero-title span { display: block; font-weight: 500; }
.hero-desc { margin-top: 20px; max-width: 620px; font-size: clamp(16px, 1.25vw, 20px); line-height: 1.8; color: rgba(255, 255, 255, .82); font-weight: 300; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; }
.hero-actions .btn-lg { min-width: 220px; }
.hero-foot { position: absolute; left: 0; right: 0; bottom: 0; border-top: 1px solid rgba(255, 255, 255, .14); }
.hero-foot-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 108px; }
.hero-points { display: grid; grid-template-columns: repeat(3, minmax(0, 250px)); gap: 24px; }
.hero-points li { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: baseline; }
.hero-points b { font-size: 14px; font-weight: 400; color: rgba(255, 255, 255, .5); letter-spacing: .08em; }
.hero-points span { font-size: 18px; color: #fff; }
.hero-points small { grid-column: 2; font-size: 13px; color: rgba(255, 255, 255, .6); }
.hero-tools { display: flex; align-items: center; gap: 22px; }
.hero-toggle { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border-radius: 50px; border: 1px solid rgba(255, 255, 255, .3); font-size: 13px; color: rgba(255, 255, 255, .88); }
.hero-toggle svg { width: 14px; height: 14px; }
.hero-toggle .i-play, .hero-toggle[aria-pressed="true"] .i-pause { display: none; }
.hero-toggle[aria-pressed="true"] .i-play { display: block; }
.hero-toggle:hover { border-color: #fff; color: #fff; }
.hero-scroll { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .16em; color: rgba(255, 255, 255, .72); }
.hero-scroll i { position: relative; width: 22px; height: 36px; border: 1.5px solid rgba(255, 255, 255, .5); border-radius: 12px; }
.hero-scroll i::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: #fff; animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 1; transform: none; } 70% { opacity: 0; transform: translateY(10px); } 100% { opacity: 0; } }
.ai-label { position: absolute; left: 4%; top: calc(var(--hh) + 12px); z-index: 2; font-size: 12px; color: rgba(255, 255, 255, .72); padding: 3px 10px; border-radius: 50px; background: rgba(0, 0, 0, .35); }

/* ---------------- 首页 · 公司介绍 ---------------- */
.intro { padding: clamp(96px, 9vw, 160px) 0 clamp(40px, 4vw, 70px); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr); gap: clamp(40px, 5vw, 110px); align-items: center; }
.intro-text { font-size: clamp(24px, 2.64vw, 38px); line-height: 1.5; font-weight: 300; color: var(--ink); }
.intro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 36px; margin-top: 48px; }
.intro-art img { width: 100%; }
.intro-art figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); text-align: center; }

/* ---------------- 首页 · 我们的服务（悬停整行变蓝 + 浮动配图卡） ---------------- */
.svc-sec { padding-top: clamp(40px, 4vw, 70px); }
.svc-sec .sec-head { margin-bottom: 40px; }
.svc { position: relative; }
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
  position: relative; display: grid; grid-template-columns: 219px minmax(0, 1fr) 48px; align-items: center;
  min-height: 130px; padding: 0; border-bottom: 1px solid var(--line); color: var(--ink);
  transition: background .45s var(--ease), color .45s var(--ease), padding .45s var(--ease);
}
.svc-ico { color: #8C9096; transition: color .45s; }
.svc-ico svg { width: 50px; height: 50px; stroke-width: 1.2; }
.svc-title { display: block; font-size: clamp(26px, 2.64vw, 38px); line-height: 1.4; font-weight: 300; }
.svc-sub { display: block; font-size: 18px; line-height: 1.6; font-weight: 300; color: var(--muted); max-height: 0; opacity: 0; overflow: hidden; transition: max-height .45s var(--ease), opacity .45s var(--ease), color .45s; }
.svc-go svg { width: 40px; height: 40px; stroke-width: 1.4; }
.svc-row.is-on, .svc-row:focus-visible { background: var(--blue); color: #fff; padding: 0 40px; outline-offset: -2px; }
.svc-row.is-on .svc-ico, .svc-row:focus-visible .svc-ico { color: #fff; }
.svc-row.is-on .svc-sub, .svc-row:focus-visible .svc-sub { max-height: 60px; opacity: 1; color: rgba(255, 255, 255, .66); }
.svc-float {
  position: absolute; z-index: 3; top: 0; left: 64%; width: clamp(240px, 23.6vw, 340px); aspect-ratio: 340 / 490;
  border-radius: var(--r-30); overflow: hidden; pointer-events: none;
  opacity: 0; transform: translateY(var(--fy, 0px)) scale(.94);
  transition: opacity .45s var(--ease), transform .6s var(--ease);
}
.svc-float.is-on { opacity: 1; transform: translateY(var(--fy, 0px)) scale(1); }
.svc-fig { position: absolute; inset: 0; display: grid; place-items: center; padding: 12%; background: var(--grad); opacity: 0; transition: opacity .4s; }
.svc-fig.is-on { opacity: 1; }
.svc-fig .device--laptop { width: 175%; margin-left: 70%; }
.svc-fig .device--phone { width: 74%; }

/* ---------------- 首页 · 经典案例（宽屏钉住后横向移动） ---------------- */
.featured { position: relative; padding: clamp(40px, 5vw, 90px) 0 var(--sec); }
.featured .sec-head { margin-bottom: 50px; }
.featured-pin { position: relative; }
.featured-track { display: grid; gap: 24px; width: 92%; max-width: var(--w); margin: 0 auto; }
.fcase {
  position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); align-items: center; gap: clamp(24px, 3vw, 60px);
  min-height: 555px; padding: 60px; border-radius: var(--r-30); background: var(--tint); overflow: hidden;
}
.fcase-idx { font-size: 16px; color: rgba(26, 26, 26, .45); letter-spacing: .06em; }
.fcase-idx b { font-size: 22px; font-weight: 500; color: var(--ink); margin-right: 4px; }
.fcase-type { margin-top: 40px; font-size: 18px; color: var(--gray); }
.fcase-title { margin-top: 14px; font-size: clamp(28px, 2.64vw, 38px); line-height: 1.3; font-weight: 300; color: var(--ink); }
.fcase-summary { margin-top: 16px; font-size: clamp(20px, 2.08vw, 30px); line-height: 1.5; font-weight: 500; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.fcase-go { margin-top: 50px; min-width: 200px; height: 70px; font-size: 20px; justify-content: space-between; }
.fcase-media { position: relative; align-self: stretch; display: grid; place-items: center; min-height: 435px; padding: 8% 10%; border-radius: var(--r-30); background: var(--grad); overflow: hidden; }
.fcase-media .device--laptop { width: 100%; }
.fcase--phone .fcase-media .device--phone { width: min(40%, 230px); }
.fcase--art .fcase-media { padding: 0; aspect-ratio: 651 / 518; }
.fcase--art .visual-badge { top: 16px; left: 16px; right: auto; bottom: auto; }
.fcase-crop { position: absolute; left: 6%; bottom: 8%; z-index: 2; display: block; width: clamp(110px, 11vw, 170px); aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 20px 40px -14px rgba(10, 14, 30, .45); }
.fcase--phone .fcase-crop { left: auto; right: 7%; }
.fcase-crop img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: var(--x) var(--y); transform: scale(var(--s)); transform-origin: var(--x) var(--y); }
.featured-bar { display: none; }
.featured-note { margin-top: 30px; font-size: 14px; color: var(--muted); }
.featured.is-pinned .featured-pin { position: sticky; top: var(--hh); height: calc(100vh - var(--hh)); display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.featured.is-pinned .featured-track { display: flex; gap: 20px; width: max-content; max-width: none; margin: 0; padding: 0 4%; will-change: transform; }
.featured.is-pinned .fcase { width: min(1260px, 86vw); flex: none; min-height: min(555px, calc(100vh - var(--hh) - 100px)); }
.featured.is-pinned .featured-bar { display: block; position: relative; width: 92%; max-width: var(--w); height: 2px; margin: 34px auto 0; background: var(--line); }
.featured-bar i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--blue); }

/* ---------------- 首页 · 服务客户（Logo 墙，版式同参考站） ---------------- */
.ind-sec { background: var(--soft-2); overflow: hidden; }
.ind-art { position: absolute; right: 5%; top: 50px; width: min(420px, 30vw); height: auto; pointer-events: none; }
.ind-sec .container { position: relative; }
.ind-tabs { display: flex; gap: 20px; overflow-x: auto; scrollbar-width: none; padding: 4px 2px 8px; margin: 60px -2px 0; max-width: 910px; -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); }
.ind-tabs::-webkit-scrollbar { display: none; }
.ind-tab { flex: none; height: 60px; padding: 0 30px; border-radius: 36px; background: #fff; font-size: 20px; font-weight: 500; color: var(--text); transition: background .3s, color .3s; }
.ind-tab:hover { color: var(--blue); }
.ind-tab[aria-selected="true"] { background: var(--blue); color: #fff; }
.ind-panels { margin-top: 60px; }
.ind-panel .ind-name, .ind-panel .ind-desc { max-width: 910px; }
.js .ind-panel:not(.is-on) { display: none; }
.ind-panel.is-on { animation: fadeUp .6s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
html:not(.js) .ind-panel + .ind-panel { margin-top: 70px; }
.ind-name { font-size: clamp(32px, 2.8vw, 40px); font-weight: 400; color: var(--ink); line-height: 1.3; }
.ind-desc { margin-top: 14px; font-size: 18px; line-height: 1.7; color: var(--text); }
/* 客户 Logo：白色圆角卡片一行 8 个（每张 110px 高），Logo 限宽 70% / 限高 60%；悬停卡片放大 1.1 倍并带蓝色投影 */
.client-row { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 16px 1.1%; margin-top: 60px; }
.client-logo { position: relative; display: grid; place-items: center; height: 110px; border-radius: var(--r-20); }
.client-logo::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: #fff; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.client-logo img { position: relative; max-width: 70%; max-height: 60%; width: auto; object-fit: contain; }
.client-logo:hover::before, .client-logo:focus-visible::before { transform: scale(1.1); box-shadow: 0 20px 40px rgba(51, 87, 246, .15); }
.clients-note { margin-top: 40px; font-size: 14px; color: var(--muted); }
html:not(.js) .ind-tabs { display: none; }

/* ---------------- 案例卡片（最新案例 / 案例页 / 相关案例） ---------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 23px; }
.case-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 60px 23px; }
.case-card { display: block; color: var(--ink); }
/* 卡片比例与参考站案例卡一致（651×518）：笔记本距顶 13.5%，宽 80% */
.case-card-media { position: relative; aspect-ratio: 651 / 518; border-radius: var(--r-30); background: var(--grad, var(--g-sky)); overflow: hidden; display: grid; place-items: start center; padding: 10.7% 10% 0; }
.case-card-media.has-art { padding: 0; }
.case-card-media .device--laptop { width: 100%; transition: transform .8s var(--ease); }
.case-card-media .device--phone { align-self: end; width: 32%; transform: translateY(16%); transition: transform .8s var(--ease); }
.case-card:hover .device--laptop { transform: translateY(-1.5%) scale(1.02); }
.case-card:hover .device--phone { transform: translateY(10%) scale(1.03); }
.has-art .visual-badge { top: 16px; left: 16px; right: auto; bottom: auto; }

/* 品牌官网案例：三层合成图（渐变底 + 笔记本 + 产品图），悬停时产品图往左下移 */
.art { position: absolute; inset: 0; overflow: hidden; border-radius: inherit; }
.art img { position: absolute; }
.art-bg { inset: 0; width: 100%; height: 100%; object-fit: cover; }
.art-pc { left: 50%; top: 13.5%; width: 80%; transform: translateX(-50%); }
.art--solo .art-pc { top: 50%; transform: translate(-50%, -50%); }
.art-product { left: 73%; top: 71%; width: var(--w); transform: translate(-50%, -50%); transition: left .5s ease-in-out, top .5s ease-in-out; }
.case-card:hover .art-product, .fcase:hover .art-product { left: 68%; top: 76%; }
.case-card-body { padding-top: 24px; }
.case-card-type { font-size: 15px; color: var(--muted); }
.case-card-title { margin-top: 6px; font-size: 22px; line-height: 1.5; font-weight: 500; color: var(--ink); transition: color .3s; }
.case-card:hover .case-card-title { color: var(--blue); }
.case-card-desc { margin-top: 6px; font-size: 18px; line-height: 1.5; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.case-card--mini .case-card-title { font-size: 18px; }
.case-card.is-hidden { display: none; }
.latest-more { display: flex; justify-content: center; margin-top: 70px; }
.case-disclaimer { margin-top: 50px; font-size: 14px; color: var(--muted); }

/* ---------------- 首页 · 解决方案 ---------------- */
.sol-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 23px; }
.sol-card {
  display: flex; flex-direction: column; justify-content: space-between; aspect-ratio: 247 / 285; padding: 40px 30px 35px;
  border: 1px solid #E1E3E6; border-radius: var(--r-30); background: #fff; color: var(--ink);
  transition: background .45s var(--ease), color .45s var(--ease), box-shadow .45s var(--ease), border-color .45s;
}
.sol-ico svg { width: 60px; height: 60px; color: #333; transition: color .45s; }
.sol-title { display: block; font-size: 20px; line-height: 1.5; font-weight: 500; }
.sol-desc { margin-top: 8px; font-size: 14px; line-height: 1.6; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .45s; }
.sol-card:hover, .sol-card:focus-visible { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 30px 50px -20px rgba(51, 87, 246, .6); }
.sol-card:hover .sol-ico svg, .sol-card:focus-visible .sol-ico svg { color: #fff; }
.sol-card:hover .sol-desc, .sol-card:focus-visible .sol-desc { color: rgba(255, 255, 255, .78); }

/* ---------------- 首页 · 我们的优势（全幅柔光蓝底 + 超大细体数字） ---------------- */
.adv { position: relative; overflow: hidden; isolation: isolate; padding: 120px 0 170px; }
.adv-bg { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(40% 60% at 88% 78%, rgba(255, 255, 255, .95), rgba(255, 255, 255, 0) 70%),
  radial-gradient(55% 70% at 18% 100%, rgba(90, 132, 255, .78), rgba(90, 132, 255, 0) 70%),
  radial-gradient(60% 80% at 60% 0%, rgba(206, 220, 255, .95), rgba(206, 220, 255, 0) 70%),
  linear-gradient(115deg, #E8EEFB 0%, #C9D8FA 40%, #9DB7F6 72%, #E9EEFA 100%); }
.adv .sec-head { margin-bottom: 90px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.stat-num { display: flex; align-items: flex-start; gap: 6px; color: #0F0F0F; }
.odo { display: inline-flex; font-size: clamp(96px, 12.8vw, 185px); line-height: 1; font-weight: 200; letter-spacing: -.02em; height: 1em; overflow: hidden; }
.odo-col { display: block; height: 1em; overflow: hidden; }
.odo-strip { display: flex; flex-direction: column; transition: transform 2.2s cubic-bezier(.16, 1, .3, 1); }
.odo-strip span { display: block; height: 1em; line-height: 1; }
.stat-unit { font-size: 22px; line-height: 1; margin-top: .5em; }
.stat-label { margin-top: 25px; font-size: 18px; font-weight: 500; color: #0F0F0F; }
.stats--card { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 44px 40px; border-radius: var(--r-30); background: var(--g-sky); }
.stats--card .odo { font-size: clamp(80px, 8vw, 128px); }

/* ---------------- 资讯卡片 / 轮播 ---------------- */
.carousel-track { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 2 * 37px) / 3); gap: 37px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 10px 0 60px; margin: -10px 0 -40px; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > * { scroll-snap-align: start; }
.carousel-track.dragging { scroll-snap-type: none; cursor: grabbing; }
.carousel-foot { display: flex; align-items: center; gap: 75px; margin-top: 40px; }
.carousel-progress { position: relative; flex: 1; height: 2px; background: var(--line); }
.carousel-progress i { position: absolute; left: 0; top: 0; height: 100%; width: 20%; background: var(--blue); transition: left .3s var(--ease), width .3s var(--ease); }
.carousel-btns { display: flex; gap: 30px; }
html:not(.js) .carousel-btns { display: none; }

.news-card { position: relative; display: flex; flex-direction: column; min-height: 380px; padding: 35px 34px; border-radius: var(--r-30); background: var(--soft-3); color: var(--ink); overflow: hidden; transition: background .45s var(--ease), color .45s var(--ease), box-shadow .45s var(--ease); }
.news-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 16px; }
.news-card-meta .tag { display: inline-flex; align-items: center; gap: 12px; font-size: 18px; color: var(--blue); transition: color .45s; }
.news-card-meta .tag::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; transition: width .3s, margin .3s; }
.news-card-title { margin-top: 60px; font-size: 22px; line-height: 1.5; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-desc { margin-top: 20px; font-size: 18px; line-height: 1.67; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; transition: color .45s; }
.news-card time { margin-top: auto; padding-top: 30px; font-size: 16px; font-weight: 500; color: var(--muted); transition: color .45s; }
.news-card .round-arrow { position: absolute; right: 34px; bottom: 26px; opacity: 0; transform: translateX(-8px); background: #fff; color: var(--blue); transition: opacity .4s, transform .4s var(--ease); }
.news-card:hover, .news-card:focus-visible { background: var(--blue); color: #fff; box-shadow: 0 30px 60px -24px rgba(51, 87, 246, .75); }
.news-card:hover .tag, .news-card:focus-visible .tag { color: rgba(255, 255, 255, .72); }
.news-card:hover .tag::before, .news-card:focus-visible .tag::before { width: 0; margin-right: -12px; }
.news-card:hover .news-card-desc, .news-card:hover time, .news-card:focus-visible .news-card-desc, .news-card:focus-visible time { color: rgba(255, 255, 255, .8); }
.news-card:hover .round-arrow, .news-card:focus-visible .round-arrow { opacity: 1; transform: none; }
.news-card.is-hidden { display: none; }
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 37px; }
.news-card--cover { padding-top: 0; }
.news-cover { display: grid; place-items: center; aspect-ratio: 16 / 9; margin: 0 -34px 28px; overflow: hidden; background: radial-gradient(60% 80% at 70% 30%, rgba(51, 87, 246, .8), rgba(51, 87, 246, 0) 70%), radial-gradient(50% 60% at 20% 90%, rgba(134, 91, 254, .65), rgba(134, 91, 254, 0) 70%), linear-gradient(135deg, #0B1030, #121A48); color: rgba(255, 255, 255, .92); }
.news-cover svg { width: 64px; height: 64px; stroke-width: 1.1; transition: transform .6s var(--ease); }
.news-card:hover .news-cover svg { transform: scale(1.1); }
.news-card--cover .news-card-title { margin-top: 20px; }

/* ---------------- 联系 CTA（大圆角蓝色渐变卡） ---------------- */
.cta-sec { padding: 0; }
.cta-card {
  position: relative; overflow: hidden; isolation: isolate; padding: 80px 40px 300px; border-radius: var(--r-30); color: #fff;
  background: radial-gradient(60% 70% at 18% 88%, #2F3FE0 0%, rgba(47, 63, 224, 0) 70%), radial-gradient(50% 60% at 70% 20%, #7C98FF 0%, rgba(124, 152, 255, 0) 70%), radial-gradient(40% 50% at 95% 60%, #5E86FF 0%, rgba(94, 134, 255, 0) 70%), linear-gradient(120deg, #4B63FF 0%, #3D52F2 45%, #5C7CFF 100%);
}
.cta-light { position: absolute; inset: -20%; z-index: -1; background: radial-gradient(35% 45% at 40% 40%, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 70%); animation: ctaDrift 14s ease-in-out infinite alternate; }
@keyframes ctaDrift { from { transform: translate3d(-6%, -4%, 0); } to { transform: translate3d(8%, 6%, 0); } }
.cta-title { color: #fff; font-size: clamp(36px, 4.5vw, 65px); line-height: 1.3; font-weight: 600; }
.cta-desc { margin-top: 20px; max-width: 700px; font-size: 18px; line-height: 1.6; color: rgba(255, 255, 255, .92); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 60px; }
.cta-wx { position: absolute; left: 40px; bottom: 44px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; font-size: 15px; color: rgba(255, 255, 255, .8); }
.cta-wx b { color: #fff; font-size: 22px; font-weight: 500; letter-spacing: .04em; }

/* ---------------- 页脚（白底大页脚） ---------------- */
.footer { padding: 90px 0 40px; background: #fff; color: var(--gray); }
.footer-main { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 2.6fr); gap: 60px; padding-bottom: 60px; border-bottom: 1px solid var(--line); }
.logo--footer { color: var(--ink); }
.footer-slogan { margin-top: 36px; font-size: 26px; line-height: 1.6; font-weight: 600; color: var(--blue); }
.footer-en { margin-top: 4px; font-size: 16px; line-height: 1.6; font-weight: 300; color: var(--ink); }
.footer-wx { display: flex; align-items: center; gap: 16px; margin-top: 36px; }
.footer-wx-ico { width: 52px; height: 52px; flex: none; display: grid; place-items: center; border-radius: var(--r-10); background: var(--blue); color: #fff; }
.footer-wx-ico svg { width: 26px; height: 26px; }
.footer-wx small { display: block; font-size: 16px; color: var(--gray); }
.footer-wx b { display: block; margin-top: 8px; font-size: 22px; font-weight: 500; line-height: 1; color: var(--ink); letter-spacing: .04em; }
.footer-nav { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
.footer-h { font-size: 20px; font-weight: 500; color: var(--ink); margin-bottom: 34px; }
.footer-nav li + li { margin-top: 10px; }
.footer-nav a { font-size: 18px; line-height: 26px; transition: color .25s; }
.footer-nav a:hover { color: var(--blue); }
.footer-sub { display: flex; justify-content: space-between; align-items: center; gap: 40px; padding: 50px 96px 0 0; }
.footer-info { display: grid; grid-template-columns: repeat(3, auto); gap: 8px 48px; }
.footer-info li { display: flex; gap: 10px; font-size: 16px; line-height: 30px; }
.footer-info svg { width: 18px; height: 18px; flex: none; margin-top: 6px; color: var(--blue); }
.footer-info b { font-weight: 400; color: var(--ink); }
.footer-qr { display: flex; align-items: center; gap: 14px; font-size: 14px; line-height: 1.6; flex: none; }
.footer-qr img { width: 96px; height: 96px; border-radius: var(--r-10); border: 1px solid var(--line); padding: 5px; background: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; margin-top: 40px; padding-right: 96px; font-size: 15px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-bottom a:hover { color: var(--blue); }
/* 备案号：页脚最底部正中单独一行（备案要求放在主页底部中央并链接工信部备案系统） */
.footer-beian { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 20px; margin-top: 18px; font-size: 14px; color: var(--muted); text-align: center; }
.footer-beian:empty { display: none; }
.footer-beian a:hover { color: var(--blue); }

/* ---------------- 悬浮按钮 ---------------- */
.dock { position: fixed; right: 40px; bottom: 50px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.dock-chat, .to-top { width: 56px; height: 56px; border-radius: var(--r-10); display: grid; place-items: center; background: #fff; color: var(--ink); box-shadow: 0 10px 30px rgba(20, 30, 60, .14); transition: color .3s, background .3s, opacity .3s, visibility .3s; }
.dock-chat svg, .to-top svg { width: 28px; height: 28px; }
.dock-chat:hover, .to-top:hover { background: var(--blue); color: #fff; }
.to-top { opacity: 0; visibility: hidden; }
.to-top.is-show { opacity: 1; visibility: visible; }

/* ---------------- 微信弹窗 / 轻提示 ---------------- */
.modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px; background: rgba(10, 14, 30, .5); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal[hidden] { display: none; }
.modal-box { position: relative; width: 100%; max-width: 420px; padding: 44px 34px 34px; border-radius: var(--r-30); background: #fff; text-align: center; animation: pop .35s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close { position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); }
.modal-close:hover { background: var(--soft); color: var(--ink); }
.modal-close svg { width: 22px; height: 22px; }
.modal-box h2 { font-size: 24px; font-weight: 600; }
.modal-box > p { margin-top: 8px; font-size: 15px; color: var(--muted); }
.modal-qr { width: 200px; height: 200px; margin: 24px auto 0; border-radius: var(--r-20); border: 1px solid var(--line); padding: 10px; }
.modal-id { margin-top: 20px; display: flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 16px; border-radius: var(--r-20); background: var(--soft); font-size: 15px; }
.modal-id b { font-size: 22px; letter-spacing: .06em; }
.modal-box .btn { width: 100%; margin-top: 16px; }
.toast { position: fixed; left: 50%; bottom: 40px; z-index: 300; transform: translate(-50%, 20px); padding: 12px 22px; border-radius: 50px; background: var(--ink); color: #fff; font-size: 15px; opacity: 0; visibility: hidden; transition: all .3s var(--ease); }
.toast.is-show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ---------------- 内页首屏（浅色渐变：左白右蓝紫柔光） ---------------- */
.page-hero { position: relative; overflow: hidden; isolation: isolate; padding: calc(var(--hh) + clamp(56px, 7vw, 110px)) 0 clamp(80px, 8vw, 130px); background: #fff; }
.page-hero-glow { position: absolute; inset: 0; z-index: -1; overflow: hidden; background:
  linear-gradient(180deg, rgba(255, 255, 255, 0) 62%, #fff 100%),
  radial-gradient(40% 75% at 102% 0%, rgba(104, 139, 255, .95), rgba(104, 139, 255, 0) 72%),
  radial-gradient(42% 85% at 66% -12%, rgba(172, 162, 255, .9), rgba(172, 162, 255, 0) 70%),
  radial-gradient(30% 50% at 88% 60%, rgba(150, 190, 255, .55), rgba(150, 190, 255, 0) 70%),
  linear-gradient(180deg, rgba(240, 242, 255, .7), #fff 92%); }
.page-hero-glow::after { content: ""; position: absolute; left: -18%; top: -6%; width: 78%; height: 175%; border-radius: 50%; border: 110px solid rgba(255, 255, 255, .6); filter: blur(34px); transform: rotate(-16deg); }
.page-hero-in { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.page-hero-main { max-width: 1000px; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; font-size: 14px; color: var(--muted); }
.crumb a:hover { color: var(--blue); }
.page-kicker { font-size: 22px; line-height: 1.4; color: var(--black); letter-spacing: .02em; }
.page-kicker--gray { color: #9A9EA3; }
.page-title { margin-top: clamp(24px, 3vw, 44px); font-size: clamp(38px, 4.45vw, 64px); line-height: 1.3; font-weight: 400; color: var(--black); }
.page-lead { margin-top: 30px; max-width: 820px; font-size: clamp(17px, 1.53vw, 22px); line-height: 1.6; color: var(--text); }
.page-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }
.page-search { flex: none; width: min(348px, 100%); margin-bottom: 8px; }
.page-search label { position: relative; display: block; }
.page-search input { width: 100%; height: 60px; padding: 0 60px 0 20px; border: 0; border-radius: var(--r-10); background: #fff; font: inherit; font-size: 16px; color: var(--ink); box-shadow: 0 10px 30px -18px rgba(51, 87, 246, .35); -webkit-appearance: none; appearance: none; }
.page-search input::placeholder { color: #A8ADB3; }
.page-search input:focus { outline: 2px solid var(--blue); outline-offset: 0; }
.page-search svg { position: absolute; right: 18px; top: 50%; width: 26px; height: 26px; margin-top: -13px; color: var(--ink); pointer-events: none; }
html:not(.js) .page-search { display: none; }

/* 筛选药丸（选中蓝底白字，其余纯文字） */
.pills { display: flex; flex-wrap: wrap; gap: 10px 36px; align-items: center; margin-bottom: 60px; }
.pill { display: inline-flex; align-items: center; height: 60px; padding: 0 12px; border-radius: 50px; font-size: 18px; color: var(--text); transition: background .3s, color .3s, padding .3s; }
.pill span::before { content: "("; }
.pill span::after { content: ")"; }
.pill:hover { color: var(--blue); }
.pill.is-on { padding: 0 48px; background: var(--blue); color: #fff; }
.filter-status { margin: -40px 0 30px; font-size: 14px; color: var(--muted); min-height: 1em; }
.filter-empty { grid-column: 1 / -1; padding: 60px 0; text-align: center; font-size: 16px; color: var(--muted); }

.subnav { position: sticky; top: var(--hh); z-index: 50; background: rgba(255, 255, 255, .94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); margin-top: var(--sec); }
.subnav-in { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.subnav a { flex: none; padding: 20px 16px; font-size: 16px; color: var(--text); border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.subnav a:hover { color: var(--blue); }
.subnav a.is-on { color: var(--blue); border-bottom-color: var(--blue); }

/* 大幅媒体面板：深色影院底 + 自有素材样机 */
.media-panel { position: relative; overflow: hidden; display: grid; place-items: end center; margin-top: -30px; padding: clamp(40px, 6vw, 110px) clamp(24px, 8vw, 170px) 0; border-radius: var(--r-30) var(--r-30) 0 0; min-height: clamp(300px, 36vw, 620px); }
.media-panel--dark { background: radial-gradient(50% 70% at 50% 115%, rgba(51, 87, 246, .5), rgba(51, 87, 246, 0) 70%), radial-gradient(40% 50% at 82% 8%, rgba(134, 91, 254, .38), rgba(134, 91, 254, 0) 70%), radial-gradient(30% 40% at 10% 20%, rgba(14, 155, 216, .25), rgba(14, 155, 216, 0) 70%), #0C0E14; }
.duo { position: relative; width: 100%; max-width: 1000px; }
.duo .device--laptop { width: 100%; }
.duo .device--phone { position: absolute; right: -7%; bottom: 3%; width: 17%; }
.media-note { position: absolute; left: 24px; bottom: 18px; z-index: 2; padding: 4px 12px; border-radius: 50px; font-size: 12px; color: var(--ink); background: rgba(255, 255, 255, .85); }
.media-panel--dark .media-note { color: #fff; background: rgba(255, 255, 255, .14); }

/* 内页通用 */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 110px); align-items: center; }
.split--rev > :first-child { order: 2; }
.split-title { margin-top: 24px; font-size: clamp(26px, 2.64vw, 38px); line-height: 1.35; font-weight: 300; color: var(--ink); }
.split p:not(.split-title) { margin-top: 20px; font-size: 17px; line-height: 1.85; }
.split-actions { margin-top: 40px; }
.split-art { position: relative; overflow: hidden; display: grid; place-items: end center; padding: 10% 12% 0; border-radius: var(--r-30); background: var(--grad); }
.split-art .device--laptop { width: 100%; }
.split-note { display: grid; gap: 16px; }
.split-note div { display: flex; flex-direction: column; gap: 6px; padding: 30px 34px; border-radius: var(--r-30); background: var(--soft-3); }
.split-note b { font-size: clamp(34px, 3.2vw, 48px); font-weight: 300; line-height: 1.1; color: var(--ink); }
.split-note span { font-size: 16px; color: var(--muted); }
.check-list { display: grid; gap: 16px; margin-top: 30px; }
.check-list li { display: flex; gap: 12px; font-size: 17px; line-height: 1.7; }
.check-list li > svg { width: 22px; height: 22px; flex: none; margin-top: 4px; color: var(--blue); }

.grid { display: grid; gap: 23px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.vcard { position: relative; padding: 40px 36px; border: 1px solid #E1E3E6; border-radius: var(--r-30); background: #fff; transition: background .45s var(--ease), color .45s, box-shadow .45s, border-color .45s; }
.section--soft .vcard { border-color: transparent; }
.vcard-ico { display: block; color: #333; transition: color .45s; }
.vcard-ico svg { width: 48px; height: 48px; stroke-width: 1.4; }
.vcard-no { position: absolute; top: 34px; right: 36px; font-size: 44px; line-height: 1; font-weight: 200; color: #D5D9DF; transition: color .45s; }
.vcard h3 { margin-top: 30px; font-size: 22px; font-weight: 500; transition: color .45s; }
.vcard .vcard-no + h3 { margin-top: 0; }
.vcard p { margin-top: 12px; font-size: 16px; line-height: 1.75; color: var(--muted); transition: color .45s; }
.vcard p.vcard-fit { color: var(--text); }
.vcard:hover { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 30px 50px -20px rgba(51, 87, 246, .6); }
.vcard:hover h3, .vcard:hover .vcard-ico, .vcard:hover p, .vcard:hover strong { color: #fff; }
.vcard:hover .vcard-no { color: rgba(255, 255, 255, .35); }
.vcard .chips { margin-top: 24px; }
.vcard:hover .chips li { background: rgba(255, 255, 255, .16); color: #fff; }
.tech-plans { margin-bottom: 40px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips > * { padding: 9px 20px; border-radius: 50px; background: var(--soft-3); font-size: 16px; color: var(--text); transition: background .3s, color .3s; }
.chips.is-center { justify-content: center; }
.chips--sm > * { padding: 5px 14px; font-size: 14px; }
.section--soft .chips > * { background: #fff; }

/* 服务页 · 服务行（同首页服务列表：悬停整行变蓝） */
.svc-big { border-top: 1px solid var(--line); }
.svc-big a { display: grid; grid-template-columns: 90px minmax(0, 1fr) minmax(0, 1.4fr) 48px; gap: 30px; align-items: center; padding: 44px 0; border-bottom: 1px solid var(--line); transition: background .45s var(--ease), color .45s, padding .45s var(--ease); }
.svc-big-no { font-size: 18px; color: var(--muted); transition: color .45s; }
.svc-big-title { font-size: clamp(26px, 2.64vw, 38px); font-weight: 300; line-height: 1.3; color: var(--ink); transition: color .45s; }
.svc-big-body { display: grid; gap: 14px; }
.svc-big-desc { font-size: 16px; line-height: 1.8; color: var(--muted); transition: color .45s; }
.svc-big .svc-go { color: var(--ink); transition: color .45s; }
.svc-big a:hover { background: var(--blue); padding-left: 40px; padding-right: 40px; }
.svc-big a:hover .svc-big-title, .svc-big a:hover .svc-go, .svc-big a:hover .svc-big-no { color: #fff; }
.svc-big a:hover .svc-big-desc { color: rgba(255, 255, 255, .8); }
.svc-big a:hover .chips > * { background: rgba(255, 255, 255, .16); color: #fff; }

/* 报价 */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; }
.plan { display: flex; flex-direction: column; padding: 44px 40px; border-radius: var(--r-30); background: #fff; border: 1px solid #E1E3E6; }
.plan.is-hot { background: var(--blue); border-color: var(--blue); color: rgba(255, 255, 255, .88); box-shadow: 0 30px 60px -24px rgba(51, 87, 246, .7); }
.plan h3 { font-size: 22px; }
.plan.is-hot h3, .plan.is-hot b { color: #fff; }
.plan-price { margin-top: 20px; font-size: 15px; color: var(--muted); }
.plan.is-hot .plan-price { color: rgba(255, 255, 255, .8); }
.plan-price b { display: block; margin-top: 8px; font-size: 44px; font-weight: 300; line-height: 1.1; color: var(--ink); }
.plan ul { display: grid; gap: 14px; margin: 30px 0 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.plan.is-hot ul { border-top-color: rgba(255, 255, 255, .24); }
.plan li { display: flex; gap: 10px; font-size: 16px; }
.plan li svg { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--blue); }
.plan.is-hot li svg { color: #fff; }
.plan .btn { margin-top: auto; }
.plan-note { margin-top: 30px; text-align: center; font-size: 14px; color: var(--muted); }

/* 合作流程：阶梯色条 */
.steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-left: 1px solid var(--line); }
.step { position: relative; display: flex; flex-direction: column; padding: 0 22px 10px; border-right: 1px solid var(--line); min-height: 400px; }
.step-no { font-size: 18px; color: #A6A9AD; }
.step-bar { display: block; height: 34px; margin: calc(24px + var(--i) * 36px) -22px 24px; border-radius: 50px; background: linear-gradient(90deg, #22D3EE, #3357F6); }
.step:nth-child(3) .step-bar, .step:nth-child(4) .step-bar { background: linear-gradient(90deg, #3357F6, #6A5CFF); }
.step:nth-child(5) .step-bar { background: linear-gradient(90deg, #6A5CFF, #A77BFF); }
.step:nth-child(6) .step-bar { background: linear-gradient(90deg, #A77BFF, #F2C14E); }
.step h3 { font-size: 20px; font-weight: 500; }
.step p { margin-top: 8px; font-size: 15px; line-height: 1.7; color: var(--muted); }

/* FAQ（折叠列表：服务页 / 业务页） */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px 0; cursor: pointer; font-size: clamp(17px, 1.39vw, 20px); font-weight: 500; color: var(--ink); transition: color .25s; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 50px; height: 50px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center / 20px no-repeat; transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--blue); }
.faq-body { padding: 0 80px 30px 0; font-size: 16px; line-height: 1.85; color: var(--text); }

/* FAQ 页：分组筛选 + 白色卡片（点开看全文） */
.faq-groups { display: grid; gap: 0; }
.faq-group-title { margin: 70px 0 30px; font-size: 24px; font-weight: 500; color: var(--black); }
.faq-group:first-child .faq-group-title { margin-top: 0; }
.faq-group.is-hidden { display: none; }
.faq-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; align-items: start; }
.faq-card { border-radius: var(--r-30); background: #fff; box-shadow: 0 16px 50px -20px rgba(20, 40, 120, .2); transition: box-shadow .3s; }
.faq-card[open] { box-shadow: var(--glow); }
.faq-card summary { list-style: none; display: flex; flex-direction: column; min-height: 290px; padding: 34px 32px 30px; cursor: pointer; }
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card h3 { font-size: 20px; line-height: 1.5; font-weight: 500; color: var(--ink); transition: color .25s; }
.faq-card summary:hover h3 { color: var(--blue); }
.faq-card .faq-excerpt { margin: 16px 0 24px; font-size: 15px; line-height: 1.8; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.faq-card[open] .faq-excerpt { display: none; }
.faq-card[open] summary { min-height: 0; }
.faq-card .round-arrow { margin-top: auto; transform: rotate(90deg); }
.faq-card[open] .round-arrow { order: -1; align-self: flex-end; margin: -10px -8px 10px 0; transform: rotate(-90deg); }
.faq-card .faq-full { padding: 0 32px 34px; font-size: 15px; line-height: 1.9; color: var(--text); }
.faq-card.is-hidden { display: none; }

/* 平台墙 */
.logo-wall { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 16px; }
.logo-wall li { display: grid; place-items: center; height: 110px; padding: 18px; border-radius: var(--r-20); background: var(--soft-2); }
.section--soft .logo-wall li { background: #fff; }
.logo-wall img { width: 100%; max-width: 140px; }

/* 发展历程 */
.timeline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; }
.timeline li { padding: 40px 36px; border-radius: var(--r-30); background: #fff; }
.timeline-year { display: block; font-size: 64px; line-height: 1; font-weight: 200; color: var(--blue); }
.timeline h3 { margin-top: 30px; font-size: 22px; }
.timeline p { margin-top: 12px; font-size: 16px; line-height: 1.8; color: var(--muted); }

/* 评价滚动 */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee + .marquee { margin-top: 20px; }
.marquee-track { display: flex; gap: 20px; width: max-content; animation: marquee 70s linear infinite; }
.marquee--rev .marquee-track { animation-direction: reverse; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.quote { width: 420px; flex: none; padding: 30px 32px; border-radius: var(--r-30); background: #fff; }
.quote blockquote { font-size: 16px; line-height: 1.85; color: var(--ink); }
.quote figcaption { margin-top: 16px; font-size: 14px; color: var(--muted); }

/* 案例详情 */
.cd-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; width: 100%; }
.cd-arrow { flex: none; width: clamp(70px, 7vw, 120px); color: var(--blue); }
.cd-arrow svg { width: 100%; height: auto; stroke-width: .9; }
.cd-summary { margin-top: 26px; max-width: 900px; font-size: clamp(17px, 1.39vw, 20px); line-height: 1.8; color: var(--text); }
.case-meta { display: flex; flex-wrap: wrap; gap: 16px 48px; margin-top: 34px; }
.case-meta div small { display: block; font-size: 14px; color: var(--muted); }
.case-meta div b { display: block; margin-top: 4px; font-size: 17px; font-weight: 500; }
.cd-stage { position: relative; overflow: hidden; margin-top: 90px; padding: clamp(40px, 6vw, 100px) 0; }
.cd-word { position: absolute; left: 0; top: 50%; transform: translateY(-50%); display: flex; gap: .6em; white-space: nowrap; font-size: clamp(80px, 12vw, 190px); line-height: 1; font-weight: 500; color: var(--blue); opacity: .9; pointer-events: none; }
.js .cd-word { animation: wordMove 26s linear infinite; }
@keyframes wordMove { from { transform: translate(0, -50%); } to { transform: translate(-50%, -50%); } }
.cd-stage .duo { position: relative; margin: 0 auto; max-width: 760px; }
/* 品牌官网案例：详情大图放进圆角面板；设备组合图（透明底）压在滚动大字上 */
.media-panel.media-panel--shot { display: block; padding: 0; min-height: 0; border-radius: var(--r-30); background: #0C0E14; }
.media-panel--shot .shot { width: 100%; }
.cd-stage .shot--stage { position: relative; z-index: 1; width: min(100%, 1063px); margin: 0 auto; }
.case-body { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: clamp(40px, 6vw, 110px); align-items: start; margin-top: clamp(60px, 6vw, 100px); }
.case-body h2 { font-size: 24px; font-weight: 500; }
.case-body h2 + p { margin-top: 16px; font-size: 18px; line-height: 1.9; }
.case-body p + h2 { margin-top: 50px; }
.case-note { margin-top: 36px; padding: 18px 22px; border-radius: var(--r-20); background: var(--soft-2); font-size: 14px; line-height: 1.8; color: var(--muted); }
.case-aside { position: sticky; top: calc(var(--hh) + 30px); padding: 36px; border-radius: var(--r-30); background: var(--soft-3); }
.case-aside h3 { font-size: 18px; margin-bottom: 16px; }
.case-aside .btn { width: 100%; margin-top: 30px; }
.case-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 23px; margin-top: 70px; }
.case-gallery figure { padding: 26px 26px 18px; border-radius: var(--r-30); background: var(--g-lilac); }
.case-gallery img { width: 100%; border-radius: 10px; box-shadow: 0 20px 40px -20px rgba(20, 30, 60, .4); }
.case-gallery figcaption { margin-top: 14px; text-align: center; font-size: 14px; color: var(--text); }
.case-pager { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 100px; padding-bottom: 50px; border-bottom: 2px solid #A6A9AD; }
.case-pager a { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; height: 70px; min-width: 200px; padding: 0 30px; border-radius: 50px; font-size: 18px; transition: background .3s, color .3s; }
.case-pager .prev { background: #A6A6A6; color: #fff; }
.case-pager .next { background: var(--ink); color: #fff; }
.case-pager .prev:hover, .case-pager .next:hover { background: var(--blue); }
.case-pager .back { min-width: 0; padding: 0; font-size: 18px; color: var(--ink); }
.case-pager .back:hover { color: var(--blue); }
.case-pager svg { width: 24px; height: 24px; }

/* 资讯详情 */
.article { max-width: 860px; margin: 0 auto; font-size: 18px; line-height: 2; color: var(--text); }
.article h2 { margin: 50px 0 16px; font-size: 26px; font-weight: 500; color: var(--ink); }
.article p + p { margin-top: 18px; }
.article ul { margin: 18px 0; display: grid; gap: 10px; }
.article li { position: relative; padding-left: 22px; }
.article li::before { content: ""; position: absolute; left: 4px; top: .85em; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.article-meta { display: flex; gap: 20px; margin-top: 26px; font-size: 16px; color: var(--muted); }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 23px; max-width: 860px; margin: 80px auto 0; }
.article-nav a { display: block; padding: 26px 30px; border-radius: var(--r-30); background: var(--soft-3); transition: background .35s, color .35s; }
.article-nav a:hover { background: var(--blue); color: #fff; }
.article-nav a:hover b, .article-nav a:hover small { color: #fff; }
.article-nav small { font-size: 14px; color: var(--muted); }
.article-nav b { display: block; margin-top: 6px; font-size: 18px; font-weight: 500; line-height: 1.5; }
.article-nav a[rel="next"] { text-align: right; grid-column: 2; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 5vw, 90px); align-items: start; }
.wx-card { position: relative; overflow: hidden; isolation: isolate; padding: 44px 40px; border-radius: var(--r-30); color: rgba(255, 255, 255, .9); background: linear-gradient(120deg, #4B63FF 0%, #3D52F2 45%, #5C7CFF 100%); }
.wx-card-light { position: absolute; inset: -30%; z-index: -1; background: radial-gradient(35% 45% at 70% 30%, rgba(255, 255, 255, .25), rgba(255, 255, 255, 0) 70%); }
.wx-card small { font-size: 15px; }
.wx-card b { display: block; margin-top: 6px; font-size: clamp(40px, 4vw, 56px); font-weight: 300; letter-spacing: .04em; color: #fff; line-height: 1.2; }
.wx-card-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.wx-card p { margin-top: 22px; font-size: 14px; line-height: 1.8; }
.contact-note { margin-top: 30px; font-size: 17px; line-height: 1.85; }
.contact-list { margin-top: 26px; }
.form-card { padding: clamp(30px, 3vw, 48px); border-radius: var(--r-30); background: #fff; box-shadow: 0 20px 60px -24px rgba(20, 40, 120, .25); }
.form-card h2 { font-size: 26px; font-weight: 500; }
.form-card > p { margin-top: 10px; font-size: 15px; color: var(--muted); }
.form-card form { display: grid; gap: 20px; margin-top: 30px; }
.field { display: grid; gap: 8px; font-size: 15px; font-weight: 500; color: var(--ink); }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-weight: 400; font-size: 16px; color: var(--ink); padding: 14px 18px; border-radius: var(--r-10); border: 1px solid var(--line-2); background: var(--soft-2); transition: border-color .2s, background .2s, box-shadow .2s; }
.field textarea { resize: vertical; min-height: 100px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px var(--blue-50); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-card .btn-lg { width: 100%; }
.form-tip { font-size: 13px; color: var(--muted); line-height: 1.8; }

/* 404 */
.nf-code { font-size: clamp(120px, 16vw, 240px); line-height: 1; font-weight: 200; color: var(--blue); }
.nf-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 44px; }
.nf-links a { display: inline-flex; align-items: center; height: 48px; padding: 0 22px; border-radius: 50px; background: #fff; font-size: 16px; box-shadow: 0 10px 30px -18px rgba(51, 87, 246, .45); }
.nf-links a:hover { color: var(--blue); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1500px) {
  .logo-slogan { display: none; }
}
@media (max-width: 1280px) {
  .nav-link { padding: 0 12px; }
  .header-brief { display: none; }
  .sol-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sol-card { aspect-ratio: auto; min-height: 250px; }
  .footer-main { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
  .step { min-height: 300px; border-bottom: 1px solid var(--line); padding-top: 20px; }
  .step-bar { margin-top: 24px; }
  .mega-title { font-size: 19px; }
  .footer-info { grid-template-columns: repeat(2, auto); }
}
@media (max-width: 1080px) {
  :root { --hh: 70px; }
  .nav, .header-cta, .header-brief { display: none; }
  .menu-btn { display: grid; }
  .header-actions { margin-left: auto; }
  .logo-txt strong { font-size: 19px; }
  .hero-points { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-scroll { display: none; }
  .intro-grid, .split, .contact-grid, .case-body { grid-template-columns: 1fr; }
  .split--rev > :first-child { order: 0; }
  .svc-row { grid-template-columns: 80px minmax(0, 1fr) 40px; }
  .svc-float { display: none; }
  .svc-sub { max-height: none; opacity: 1; }
  .fcase { grid-template-columns: 1fr; padding: 36px; min-height: 0; }
  .fcase-media { min-height: 0; }
  .fcase-go { margin-top: 32px; }
  .ind-art { display: none; }
  .ind-panel .client-row { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
  .case-grid, .news-grid, .faq-cards, .g-3, .plans, .timeline, .case-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .carousel-track { grid-auto-columns: calc((100% - 37px) / 2.1); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec-head--split { flex-direction: column; }
  .sec-head-row { flex-direction: column; align-items: flex-start; }
  .page-hero-in, .cd-hero { flex-direction: column; align-items: flex-start; }
  .svc-big a { grid-template-columns: 60px minmax(0, 1fr) 40px; }
  .svc-big-body { grid-column: 2; }
  .svc-big .svc-go { grid-column: 3; grid-row: 1; }
  .case-aside { position: static; }
  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
  .footer-sub { flex-direction: column; align-items: flex-start; }
  .dock { right: 20px; bottom: 24px; }
  .footer-sub, .footer-bottom { padding-right: 0; }
}
@media (max-width: 760px) {
  body { font-size: 15px; }
  .container, .header-in { width: auto; margin-left: 16px; margin-right: 16px; }
  .featured-track { width: auto; margin: 0 16px; }
  .hero { min-height: 600px; }
  .hero-poster, .hero-video { object-position: 68% 30%; }
  .hero-shade { background: linear-gradient(0deg, rgba(5, 6, 10, .94) 0%, rgba(5, 6, 10, .78) 42%, rgba(5, 6, 10, .25) 72%, rgba(5, 6, 10, .1) 100%); }
  .hero-inner { padding-bottom: 196px; }
  .hero-foot-in { flex-direction: column; align-items: flex-start; gap: 12px; padding: 16px 0 20px; min-height: 0; }
  .hero-points { grid-template-columns: 1fr; gap: 4px; }
  .hero-points small { display: none; }
  .hero-actions .btn-lg, .page-actions .btn-lg, .cta-actions .btn-lg, .intro-actions .btn-lg { width: 100%; min-width: 0; }
  .btn-lg { min-width: 0; height: 60px; padding: 0 28px; font-size: 18px; }
  .sec-label { font-size: 20px; line-height: 32px; }
  .sec-head-row { margin-top: 18px; }
  .intro { padding-top: 70px; }
  .svc-row { grid-template-columns: 52px minmax(0, 1fr) 30px; min-height: 104px; }
  .svc-ico svg { width: 34px; height: 34px; }
  .svc-go svg { width: 28px; height: 28px; }
  .svc-sub { font-size: 15px; }
  .fcase { padding: 24px; gap: 24px; border-radius: var(--r-20); }
  .fcase-type { margin-top: 18px; }
  .fcase-go { width: 100%; height: 60px; }
  .fcase-media { border-radius: var(--r-20); padding: 10% 8%; }
  .fcase-crop { display: none; }
  .ind-tab { height: 48px; padding: 0 22px; font-size: 16px; }
  .ind-tabs { gap: 10px; margin-top: 36px; }
  .ind-panels { margin-top: 36px; }
  .ind-panel .client-row { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 30px; }
  .client-logo { height: 80px; }
  .clients-note { margin-top: 24px; }
  .case-grid, .case-grid--2, .news-grid, .faq-cards, .g-2, .g-3, .plans, .timeline, .field-row, .case-gallery, .article-nav { grid-template-columns: 1fr; }
  .article-nav a[rel="next"] { grid-column: auto; }
  .case-card-media { border-radius: var(--r-20); }
  .case-card-desc { white-space: normal; }
  .sol-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .sol-card { min-height: 190px; padding: 26px 20px; border-radius: var(--r-20); }
  .sol-ico svg { width: 44px; height: 44px; }
  .sol-title { font-size: 17px; }
  .sol-desc { display: none; }
  .adv { padding: 80px 0 100px; }
  .adv .sec-head { margin-bottom: 50px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 20px; }
  .stats--card { padding: 30px 24px; }
  .carousel-track { grid-auto-columns: 84%; gap: 16px; }
  .carousel-foot { gap: 24px; }
  .round-btn { width: 56px; height: 56px; }
  .carousel-btns { gap: 12px; }
  .news-card { min-height: 320px; padding: 28px 26px; border-radius: var(--r-20); }
  .news-card--cover { padding-top: 0; }
  .news-cover { margin: 0 -26px 22px; }
  .news-card-title { margin-top: 40px; }
  .cta-card { padding: 50px 24px 190px; border-radius: var(--r-20); }
  .cta-wx { left: 24px; bottom: 30px; }
  .footer { padding-top: 60px; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-info { grid-template-columns: 1fr; }
  .footer-h { margin-bottom: 16px; font-size: 18px; }
  .footer-nav a { font-size: 16px; }
  .pills { gap: 6px 10px; margin-bottom: 36px; }
  .pill { height: 44px; padding: 0 14px; font-size: 15px; }
  .pill.is-on { padding: 0 22px; }
  .page-search { width: 100%; }
  .steps { grid-template-columns: 1fr; border-left: 0; }
  .step { min-height: 0; border-right: 0; padding: 20px 0; }
  .step-bar { width: calc(40% + var(--i) * 10%); margin: 14px 0 16px; }
  .logo-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .svc-big a { grid-template-columns: 1fr 40px; gap: 14px; padding: 30px 0; }
  .svc-big-no { grid-column: 1 / -1; }
  .svc-big-body { grid-column: 1; }
  .svc-big .svc-go { grid-row: 2; grid-column: 2; }
  .svc-big a:hover { padding-left: 0; padding-right: 0; background: none; }
  .svc-big a:hover .svc-big-title, .svc-big a:hover .svc-go, .svc-big a:hover .svc-big-no { color: var(--ink); }
  .svc-big a:hover .svc-big-desc { color: var(--muted); }
  .svc-big a:hover .chips > * { background: var(--soft-3); color: var(--text); }
  .media-panel { margin-top: -20px; padding: 28px 16px 0; border-radius: var(--r-20) var(--r-20) 0 0; min-height: 0; }
  .media-panel.media-panel--shot { padding: 0; border-radius: var(--r-20); }
  .duo .device--phone { right: -2%; }
  .faq-body { padding-right: 0; }
  .faq-card summary { min-height: 0; }
  .case-pager { flex-wrap: wrap; }
  .case-pager a { min-width: 0; flex: 1; height: 56px; padding: 0 20px; }
  .case-pager .back { order: 3; flex-basis: 100%; justify-content: center; }
  .cd-stage { margin-top: 50px; }
  .dock-chat, .to-top { width: 48px; height: 48px; }
  .quote { width: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hero-video { display: none; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; }
  .js .cd-word { animation: none; }
}
@media print {
  .header, .drawer, .dock, .hero-media, .hero-shade, .cta-sec, .subnav { display: none !important; }
  .hero { height: auto; min-height: 0; color: var(--ink); background: none; }
  .hero-title, .hero-desc { color: var(--ink); }
  .js .reveal { opacity: 1; transform: none; }
}