/* ============================================================
   斯奈特 SNT 官网 · 设计语言：省广集团（布局/排印/交互）· 配色 #31409A 主色方案
   配色：#31409A 主色 / #1B2470 副色 / 文字 #4C5064 / 底 #EDEEF7
   ============================================================ */

:root {
  --brand: #31409A;
  --brand-dark: #232E78;
  --brand-deep: #1B2470;
  --brand-light: #7E8FDB;
  --accent: #FFA600;
  --ink: #151830;
  --text: #4C5064;
  --text-2: #84879A;
  --text-3: #B2B4C4;
  --line: #E3E5F1;
  --bg: #ffffff;
  --bg-gray: #EDEEF7;
  --bg-gray-2: #F4F5FB;
  --header-h: 110px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --fs-display: clamp(38px, 5.2vw, 96px);
  --fs-h1: clamp(30px, 3.6vw, 66px);
  --fs-h2: clamp(24px, 2.3vw, 44px);
  --fs-h3: clamp(18px, 1.35vw, 26px);
  --fs-body: clamp(13.5px, 0.95vw, 17px);
  --fs-small: clamp(11.5px, 0.72vw, 13.5px);
  --gut: clamp(20px, 5vw, 96px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: "Source Han Sans CN", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: var(--fs-body);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color .3s var(--ease); }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; outline: none; }
button { background: none; border: 0; cursor: pointer; }

.wrap { width: 100%; max-width: 1720px; margin: 0 auto; padding: 0 var(--gut); }
.wrap-narrow { max-width: 1180px; }

/* ============ 顶部导航（白色固定，hover 红色下划线） ============ */
.header {
  position: fixed; left: 0; top: 0; width: 100%; height: var(--header-h);
  background: #fff; z-index: 900;
  border-bottom: 1px solid var(--line);
  transition: transform .4s var(--ease), background .4s var(--ease), border-color .4s var(--ease);
}
.header .inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 14px; }
.logo .mark {
  width: 52px; height: 38px; border: 1px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-style: italic; font-size: 17px; letter-spacing: -.5px; color: var(--ink);
  transition: .35s var(--ease);
}
.logo:hover .mark { background: var(--brand); border-color: var(--brand); color: #fff; }
.logo .cn { font-size: clamp(17px, 1.15vw, 22px); font-weight: 700; color: var(--ink); letter-spacing: 3px; line-height: 1.1; }
.logo .en { font-size: 9px; letter-spacing: 2.2px; color: var(--text-3); font-weight: 400; }
/* 图片 logo：白色版用于深色底（首屏 hero），蓝色版用于白底页头与页脚 */
.logo .logo-img { height: clamp(34px, 3vw, 44px); width: auto; display: block; }
.logo .logo-img.b { display: none; }
.header:not(.trans) .logo .logo-img.w { display: none; }
.header:not(.trans) .logo .logo-img.b { display: block; }

.nav { display: flex; align-items: center; height: 100%; }
.nav > li { position: relative; height: 100%; display: flex; align-items: center; }
.nav > li > a {
  display: flex; align-items: center; height: 100%;
  padding: 0 clamp(12px, 1.5vw, 30px);
  font-size: clamp(15px, 1.05vw, 19px); color: var(--text);
  border-bottom: 2px solid transparent;
  letter-spacing: .5px;
}
.nav > li > a:hover, .nav > li.active > a { color: var(--brand); border-bottom-color: var(--brand); }
.nav > li > a .arw { font-size: 9px; margin-left: 6px; opacity: .5; transition: transform .3s var(--ease); }
.nav > li:hover > a .arw { transform: rotate(180deg); }

.subnav {
  position: absolute; left: 50%; top: 100%; transform: translate(-50%, 12px);
  min-width: 260px; background: #fff;
  box-shadow: 0 18px 46px rgba(0, 0, 0, .12);
  border-radius: 12px;
  padding: 14px 0; opacity: 0; visibility: hidden;
  transition: .32s var(--ease);
}
.nav > li:hover .subnav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.subnav a {
  display: flex; align-items: center; padding: 10px 26px; font-size: 14.5px; font-weight: 400;
  color: var(--ink); white-space: nowrap;
}
.subnav a small { display: none; }
/* === 20261014bd 关于SNT 下拉（公司简介/加入我们）字号对齐服务及方案下拉「官方账号运营」(.gt=16.5px) === */
.subnav a[href="about.html"], .subnav a[href="join.html"] { font-size: 16.5px; }
.subnav > a::after {
  content: ""; flex: 0 1 0px; height: 1px; background: currentColor; margin-left: 0;
  transition: flex-grow .25s var(--ease), margin-left .25s var(--ease);
}
.subnav > a:hover { color: var(--brand); background: transparent; }
.subnav > a:hover::after { flex-grow: 1; margin-left: 10px; }

/* 服务及方案：mega 下拉（参考版式：分组彩色标题 + 多列分类 + 三级条目） */
.subnav.mega { display: flex; gap: 38px; padding: 26px 34px 30px; }
.subnav.mega .msec { flex: 1 1 auto; min-width: 0; }
.subnav.mega .msec + .msec { border-left: 1px solid var(--line); padding-left: 38px; }
.subnav.mega .msec-t { position: relative; z-index: 0; font-size: 17px; font-weight: 800; color: var(--brand); padding: 2px 0 16px; }
.subnav.mega .msec.sec-tech .msec-t { color: var(--brand); }
.subnav.mega .mcols { display: flex; gap: 38px; }
.subnav.mega .mcol { min-width: 132px; }
.subnav .gt { display: block; padding: 0 0 14px; font-size: 16.5px; font-weight: 400; color: var(--ink); white-space: nowrap; }
.subnav.mega .mcol a.gt:hover { color: var(--brand); background: transparent; }
.subnav.mega .mcol a.sub, .subnav.mega .mcol .gt-sub {
  display: flex; align-items: center; padding: 5px 0; font-size: 16px; font-weight: 400;
  color: var(--text-3); white-space: nowrap;
}
.subnav.mega .mcol a.sub::after {
  content: ""; flex: 0 1 0px; height: 1px; background: currentColor; margin-left: 0;
  transition: flex-grow .25s var(--ease), margin-left .25s var(--ease);
}
.subnav.mega .mcol a.sub:hover { color: var(--brand); background: transparent; }
.subnav.mega .mcol a.sub:hover::after { flex-grow: 1; margin-left: 10px; }
.subnav.mega .mcol .gt-sub { cursor: default; }
.subnav.mega .mcol a.sub b { font-weight: 600; }

.burger { display: none; width: 28px; height: 20px; position: relative; }
.burger i { position: absolute; left: 0; width: 100%; height: 2px; background: var(--ink); transition: .3s var(--ease); }
.burger i:nth-child(1) { top: 0; } .burger i:nth-child(2) { top: 9px; } .burger i:nth-child(3) { top: 18px; }
.burger.on i:nth-child(1) { top: 9px; transform: rotate(45deg); }
.burger.on i:nth-child(2) { opacity: 0; }
.burger.on i:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* 首页首屏：透明导航（压在深色大图上） */
.header.trans { background: transparent; border-bottom-color: rgba(255, 255, 255, .18); }
.header.trans .logo .mark { border-color: #fff; color: #fff; }
.header.trans .logo .cn { color: #fff; }
.header.trans .logo .en { color: rgba(255, 255, 255, .55); }
.header.trans .nav > li > a { color: rgba(255, 255, 255, .82); }
.header.trans .nav > li > a:hover, .header.trans .nav > li.active > a { color: #fff; border-bottom-color: #fff; }
.header.trans .burger i { background: #fff; }

/* ============ 整屏滚动（首页） ============ */
.swiper { height: 100vh; overflow-y: auto; scroll-snap-type: y mandatory; }
.swiper::-webkit-scrollbar { width: 0; }
.swiper > .footer { scroll-snap-align: end; }
.page { position: relative; min-height: 100vh; scroll-snap-align: start; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.page.hidden { display: none !important; }
.hidden { display: none !important; }
.page.gray { background: var(--bg-gray); }
.page.white { background: #fff; }
/* 整屏区块留出固定导航高度，避免内容被压在导航下 */
.page:not(.hero) { padding: calc(var(--header-h) + clamp(20px, 2.6vw, 64px)) 0 clamp(28px, 3.4vw, 76px); }

/* 首屏背景图形铺满 */
.hero .bgart .ph { position: absolute; inset: 0; aspect-ratio: auto; }
.hero .bgart svg { width: 100%; height: 100%; }
.header.scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, .08); }

/* 右侧分页指示 */
/* 右侧分页指示。注意：不能用 transform 做垂直居中，
   否则内部 position:fixed 的页码会改为相对本容器定位、与指示条重叠。 */
.pager { position: fixed; right: clamp(14px, 2.4vw, 46px); top: 0; bottom: 0; height: fit-content; margin: auto 0; z-index: 800; display: flex; flex-direction: column; gap: 16px; align-items: flex-end; }
.pager button { width: 26px; height: 2px; background: rgba(0, 0, 0, .18); transition: .35s var(--ease); }
.pager button.on { width: 44px; background: var(--brand); }
.pager.dark button { background: rgba(255, 255, 255, .35); }
.pager.dark button.on { background: #fff; }
.pager .num { position: fixed; right: clamp(14px, 2.4vw, 46px); bottom: clamp(18px, 3vw, 46px); font-size: 12px; letter-spacing: 2px; color: var(--text-2); }
.pager .num b { font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: 0; }
.pager.dark .num { color: rgba(255, 255, 255, .6); }
.pager.dark .num b { color: #fff; }

/* ============ 首屏 ============ */
.hero { background: #141833; color: #fff; }
.hero .bgart { position: absolute; inset: 0; }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .6); }
.hero .inner { position: relative; z-index: 3; }
/* 首屏文案整体上移一点（仅文字块，不动底部装饰） */
.hero .wrap.inner { transform: translateY(clamp(-34px, -3vh, -18px)); }
.hero .tagline { font-size: clamp(12px, 0.82vw, 15px); letter-spacing: 6px; color: rgba(255, 255, 255, .7); margin-bottom: 26px; }
.hero h1 { font-size: var(--fs-display); font-weight: 700; line-height: 1.32; letter-spacing: 2px; }
.hero h1 em { font-style: normal; color: #fff; display: inline-block; line-height: 1; padding-bottom: 6px; border-bottom: 4px solid var(--brand); }
/* 首屏主标题：桌面一行排完，窄屏才在「高教领域」后断行（避免中文被随机拆断） */
.hero h1 br.brk { display: none; }
.hero .sub { margin-top: 30px; font-size: clamp(14px, 1.05vw, 20px); color: rgba(255, 255, 255, .78); letter-spacing: 2px; max-width: 1080px; }
.hero .sub-l1 { display: block; white-space: nowrap; margin-bottom: 0.5em; }
.hero .hero-deco { position: absolute; left: var(--gut); bottom: clamp(24px, 4vw, 60px); z-index: 3; width: clamp(200px, 22vw, 340px); opacity: .9; }
.hero .hero-deco svg { width: 100%; height: auto; display: block; }
.scrolldown {
  position: absolute; right: var(--gut); bottom: clamp(24px, 4vw, 60px); z-index: 3;
  width: 78px; height: 78px; border: 1px solid rgba(255, 255, 255, .4); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: #fff;
  transition: .4s var(--ease); cursor: pointer;
}
.scrolldown:hover { background: var(--brand); border-color: var(--brand); transform: translateY(6px); }
.scrolldown span { position: absolute; font-size: 10px; letter-spacing: 2px; }

/* ============ 区块标题（红色短线 + 中文 + 英文） ============ */
.sec-head { margin-bottom: clamp(28px, 3.4vw, 64px); }
.sec-head .bar { width: 46px; height: 3px; background: var(--brand); margin-bottom: 20px; }
.sec-head h2 { font-size: var(--fs-h1); font-weight: 700; color: var(--ink); line-height: 1.22; letter-spacing: 1px; }
.sec-head .en { font-size: clamp(11px, 0.78vw, 14px); letter-spacing: 3.4px; color: var(--text-3); text-transform: uppercase; margin-top: 12px; }
.sec-head .desc { margin-top: 20px; font-size: var(--fs-body); color: var(--text-2); max-width: 760px; }
.sec-head .xhs-tag { display: inline-block; margin-top: 16px; color: var(--accent); font-size: clamp(26px, 2vw, 34px); font-weight: 800; letter-spacing: 1px; }
/* 三方软文 section (business-image-media-vertical p2): 左图右文，白底 */
.section.soft-ad { background: #fff; color: var(--text-1); overflow: hidden; }
.soft-ad .ad-flex { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(36px, 5vw, 88px); align-items: center; }
.soft-ad .ad-img img { display: block; width: 100%; height: auto; }
.soft-ad .ad-list { display: flex; flex-direction: column; gap: clamp(28px, 3vw, 48px); }
.soft-ad .ad-item { border-top: 1px solid rgba(49, 64, 154, .22); padding-top: 24px; }
.soft-ad .ad-item .no { font-size: clamp(15px, 1.1vw, 20px); font-weight: 700; letter-spacing: 2px; color: var(--accent); }
.soft-ad .ad-item p { margin-top: 16px; font-size: clamp(16px, 1.25vw, 22px); line-height: 1.9; color: var(--text-1); }
@media (max-width: 1024px) { .soft-ad .ad-flex { grid-template-columns: 1fr; gap: 32px; } .soft-ad .ad-img { max-width: 420px; } }
/* 联合矩阵 white section with right brand band (business-image-media-vertical p3) */
.section.jmatrix { background: #fff; position: relative; overflow: hidden; display: flex; flex-direction: row; justify-content: flex-start; align-items: stretch; padding: 0; }
.jmatrix .jm-band { flex: 0 0 clamp(168px, 17vw, 300px); order: 2; background: var(--brand); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: clamp(48px, 6vw, 120px) clamp(16px, 1.8vw, 32px); }
.jmatrix .jm-band h2 { font-size: clamp(24px, 2.1vw, 36px); font-weight: 800; letter-spacing: 1px; color: #fff; position: relative; z-index: 2; white-space: nowrap; }
.jmatrix .jm-band .en-ghost { margin-top: 10px; font-size: clamp(15px, 1.4vw, 25px); font-weight: 800; line-height: 1.2; color: rgba(255, 255, 255, .35); position: relative; z-index: 1; }
.jmatrix .jm-wrap { flex: 1 1 auto; order: 1; max-width: none; margin: 0; padding: clamp(48px, 6vw, 120px) clamp(22px, 4vw, 72px); display: flex; flex-direction: column; align-items: center; justify-content: center; }
.jmatrix .jm-head { width: 100%; max-width: 980px; }
.jmatrix .jm-logo { display: block; width: clamp(120px, 12.5vw, 190px); height: auto; }
.jmatrix .jm-title { color: var(--brand); font-size: clamp(24px, 2.2vw, 38px); font-weight: 800; line-height: 1.5; max-width: 980px; width: 100%; margin-top: clamp(20px, 2.4vw, 44px); }
.jmatrix .jm-desc { margin-top: clamp(16px, 1.6vw, 28px); font-size: clamp(15px, 1.2vw, 21px); line-height: 2; color: var(--text-2); max-width: 980px; width: 100%; }
.jmatrix .jm-grid { margin-top: clamp(32px, 3.6vw, 64px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 80px); max-width: 980px; width: 100%; }
.jmatrix .jm-item h4 { color: var(--brand); font-size: clamp(17px, 1.35vw, 23px); font-weight: 700; }
.jmatrix .jm-body { display: flex; gap: clamp(16px, 1.8vw, 28px); margin-top: clamp(14px, 1.5vw, 24px); align-items: flex-start; }
.jmatrix .jm-body img { display: block; width: clamp(104px, 8.6vw, 148px); height: auto; flex: none; }
.jmatrix .jm-body ul { flex: 1; }
.jmatrix .jm-body li { font-size: clamp(13px, 1.02vw, 17px); line-height: 2.05; color: var(--text-1); }
.jmatrix .jm-body li:first-child { font-weight: 700; }
@media (max-width: 1180px) {
  .section.jmatrix { flex-direction: column; }
  .jmatrix .jm-band { flex: none; order: 0; margin-left: 0; flex-direction: row; align-items: baseline; gap: 16px; padding: 26px clamp(22px, 4vw, 72px); }
  .jmatrix .jm-band .en-ghost { margin-top: 0; }
  .jmatrix .jm-wrap { padding-top: clamp(36px, 5vw, 64px); align-items: stretch; }
  .jmatrix .jm-title, .jmatrix .jm-desc, .jmatrix .jm-grid, .jmatrix .jm-head { max-width: none; }
  .jmatrix .jm-grid { grid-template-columns: 1fr; }
}
.sec-head.center { text-align: center; }
/* IP page p2: flow image (01-06 steps) */
.section.ipflow { display: flex; align-items: center; }
.ipflow .wrap { width: 100%; }
.ipflow .ipflow-note { color: var(--text-2); font-size: clamp(15px, 1.2vw, 21px); line-height: 2; max-width: 980px; margin: 0 auto clamp(28px, 3.4vw, 56px); text-align: center; }
.ipflow .ipflow-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
/* KOL page p3: full-slide design image */
.section.imgslide { padding: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; background: #fff; }
.imgslide > img { display: block; width: 100%; height: 100%; object-fit: contain; box-sizing: border-box; padding-top: clamp(60px, 10vh, 110px); }
/* IP page p3: XHS hex map (HTML rebuilt) */
.bg-gray { background: #f6f6f6; }
.section.ip-hex { background: #fff; position: relative; overflow: hidden; }
.ip-hex::before, .ip-hex::after { content: "SINA"; position: absolute; font-size: clamp(240px, 26vw, 460px); font-weight: 800; letter-spacing: .05em; line-height: 1; color: rgba(49, 64, 154, .04); pointer-events: none; user-select: none; }
.ip-hex::before { left: -4%; top: -10%; transform: rotate(-14deg); }
.ip-hex::after { right: -6%; bottom: -12%; transform: rotate(-14deg); }
.ip-hex .ip-hex-wrap { position: relative; z-index: 1; left: -5.5%; display: flex; align-items: center; justify-content: center; gap: clamp(56px, 8.4vw, 162px); width: 100%; height: 100%; }
.ip-hex .ip-card { flex: 0 0 clamp(180px, 16.2vw, 262px); min-width: 0; width: 100%; height: auto; aspect-ratio: 312 / 350; object-fit: cover; }
.ip-hex .hexmap { position: relative; flex: 0 0 clamp(400px, 39vw, 630px); aspect-ratio: 746 / 772; }
.ip-hex .hex { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); width: 37.7%; aspect-ratio: 281 / 244; clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); background: #eaecf8; display: flex; align-items: center; justify-content: center; color: var(--brand); font-size: clamp(16px, 2.2vw, 36px); font-weight: 700; letter-spacing: 2px; }
.ip-hex .hex.center svg { width: 34%; height: auto; }
/* IP page p4: Toutiao cards (HTML rebuilt) */
.section.ip-tt { background: #f6f6f6; }
.ip-tt .tt-frame { margin: auto; width: min(1160px, 77vw); max-height: 74vh; aspect-ratio: 1.95 / 1; background: #fff; display: flex; overflow: hidden; }
.ip-tt .tt-main { flex: 1 1 auto; min-width: 0; padding: clamp(24px, 3.2vw, 58px) clamp(28px, 3.6vw, 66px); display: flex; flex-direction: column; }
.ip-tt .tt-logo { align-self: flex-start; background: var(--brand); padding: clamp(8px, .9vw, 14px) clamp(10px, 1.2vw, 18px); overflow: hidden; }
.ip-tt .tt-logo img { display: block; width: clamp(110px, 10.6vw, 164px); height: auto; }
.ip-tt .tt-title { margin-top: clamp(20px, 2.8vw, 50px); color: var(--brand); font-size: clamp(18px, 1.8vw, 29px); font-weight: 800; line-height: 1.9; }
.ip-tt .tt-cards { margin-top: clamp(22px, 3vw, 54px); display: flex; gap: clamp(12px, 1.7vw, 28px); }
.ip-tt .tt-card { position: relative; flex: 1; aspect-ratio: 1.74 / 1; background: linear-gradient(150deg, #4d5cc4 0%, #34409f 55%, #27318a 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; }
.ip-tt .tt-card::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(105deg, rgba(255, 255, 255, .05) 0 3px, rgba(255, 255, 255, 0) 3px 14px); pointer-events: none; }
.ip-tt .tt-card .no { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); width: clamp(22px, 2vw, 32px); height: clamp(22px, 2vw, 32px); border-radius: 50%; background: #f5a100; color: #fff; font-style: normal; font-size: clamp(10px, .85vw, 13px); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.ip-tt .tt-card .t { font-size: clamp(19px, 1.8vw, 30px); font-weight: 800; letter-spacing: 1px; }
.ip-tt .tt-card .t b { color: #f5a100; font-weight: 800; }
.ip-tt .tt-card p { margin-top: 3%; font-size: clamp(12px, 1.05vw, 17px); }
.ip-tt .tt-band { flex: 0 0 30.5%; background: var(--brand); overflow: hidden; }
.ip-tt .tt-band img { display: block; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1180px) {
  .ip-hex .ip-hex-wrap { flex-direction: column; gap: 36px; padding: 56px 20px; height: auto; }
  .ip-hex .ip-card { flex: none; width: min(320px, 80vw); height: auto; }
  .ip-tt .tt-frame { flex-direction: column; aspect-ratio: auto; width: 92vw; }
  .ip-tt .tt-band { flex: none; }
  .ip-tt .tt-band img { height: auto; }
}
.ipflow .ipflow-scroll img { display: block; width: 100%; min-width: 920px; max-width: 1280px; height: auto; margin: 0 auto; }
.sec-head.center .bar { margin-left: auto; margin-right: auto; }
.sec-head.center .desc { margin-left: auto; margin-right: auto; }
.sec-head.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.sec-head.split .right { font-size: var(--fs-body); color: var(--text-2); max-width: 520px; text-align: right; }

/* ============ 数据条 ============ */
.nums { display: grid; grid-template-columns: repeat(3, 1fr); }
.nums .cell { padding: clamp(22px, 2.4vw, 44px) 0; border-top: 1px solid var(--line); }
.nums .cell:nth-child(3n+2) { padding-left: clamp(16px, 2vw, 40px); }
.nums .cell:nth-child(3n) { padding-left: clamp(16px, 2vw, 40px); }
.nums .v { font-size: clamp(38px, 4.4vw, 84px); font-weight: 300; color: var(--ink); line-height: 1; letter-spacing: -2px; font-variant-numeric: tabular-nums; }
.nums .v sup { font-size: .4em; color: var(--brand); font-weight: 400; margin-left: 4px; top: -0.7em; position: relative; }
.nums .k { margin-top: 16px; font-size: var(--fs-body); color: var(--text-2); letter-spacing: 1px; }
.nums .k i { font-style: normal; color: var(--ink); }
.nums.four { grid-template-columns: repeat(4, 1fr); }
.nums.six { grid-template-columns: repeat(6, 1fr); }
.nums.six .cell:nth-child(n) { padding-left: 0; }

/* ============ 视觉占位（几何/数据图形，替代实拍图） ============ */
.ph { position: relative; overflow: hidden; background: var(--bg-gray-2); }
.ph .inner { position: absolute; inset: 0; }
.ph.r43 { aspect-ratio: 4/3; }
.ph.r169 { aspect-ratio: 16/9; }
.ph.r11 { aspect-ratio: 1/1; }
.ph.r32 { aspect-ratio: 3/2; }
.ph.dark { background: var(--brand); }

/* ============ 卡片 / 业务入口 ============ */
.grid { display: grid; gap: clamp(16px, 1.6vw, 30px); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.biz { display: block; position: relative; background: #fff; }
.biz .ph { transition: .6s var(--ease); }
.biz:hover .ph .inner { transform: scale(1.04); }
.biz .inner { transition: transform .8s var(--ease); }
.biz .body { padding: clamp(22px, 2vw, 38px) 0 0; }
.biz .no { font-size: var(--fs-small); color: var(--text-3); letter-spacing: 2px; }
.biz h3 { font-size: var(--fs-h3); color: var(--ink); font-weight: 700; margin: 10px 0 4px; letter-spacing: .5px; }
.biz .en { font-size: clamp(10px, 0.66vw, 12px); letter-spacing: 2px; color: var(--text-3); text-transform: uppercase; }
.biz p { margin-top: 14px; font-size: var(--fs-body); color: var(--text-2); }
.biz .more { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; font-size: var(--fs-small); color: var(--brand); letter-spacing: 1px; }
.biz .more i { width: 22px; height: 1px; background: var(--brand); transition: width .4s var(--ease); }
.biz:hover .more i { width: 44px; }

/* 卡（浅灰底，省广式方角） */
.card { background: #fff; padding: clamp(20px, 1.8vw, 36px); border: 1px solid var(--line); transition: .4s var(--ease); }
.card:hover { border-color: var(--brand); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0, 0, 0, .07); }
.card h3 { font-size: var(--fs-h3); color: var(--ink); font-weight: 700; }
.card h3 span { display: block; font-size: clamp(10px, 0.66vw, 12px); letter-spacing: 2px; color: var(--text-3); font-weight: 400; margin-top: 6px; }
.card p { margin-top: 14px; color: var(--text-2); font-size: var(--fs-body); }
.card ul { margin-top: 16px; }
.card ul li { position: relative; padding-left: 18px; font-size: var(--fs-body); color: var(--text-2); line-height: 2; }
.card ul li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 1px; background: var(--brand); }
/* 平台能力卡片（p3）：｜ 分隔符 + 首条 .hl 品牌蓝加粗 + 行内 .dim 灰（用于首条里的灰色副文） */
.card ul li .sep { color: var(--brand); margin: 0 6px; opacity: .55; font-weight: 400; }
.card ul li.hl, .card ul .hl { color: var(--brand); font-weight: 600; }
.card ul li.hl .sep, .card ul .hl .sep { opacity: .85; }
.card ul li .dim, .card ul .dim { color: var(--text-2); font-weight: 400; }
.card .ico { width: 44px; height: 44px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; color: var(--brand); font-size: 18px; margin-bottom: 18px; }

/* 编号卡（01-0x） */
/* 加入我们 · 福利待遇（蓝色品牌底，纵向列表，参考设计图版） */
.benefits-list { display: flex; flex-direction: column; gap: clamp(10px, 1.2vw, 18px); margin-top: clamp(24px, 3vw, 48px); }
.benefits-list .bl-item { display: flex; align-items: baseline; gap: clamp(18px, 2.2vw, 34px); padding: clamp(14px, 1.6vw, 24px) 0; border-top: 1px solid rgba(255, 255, 255, .18); transition: .35s var(--ease); }
.benefits-list .bl-item:last-child { border-bottom: 1px solid rgba(255, 255, 255, .18); }
.benefits-list .bl-item:hover { padding-left: clamp(6px, .8vw, 14px); border-top-color: rgba(255, 255, 255, .42); }
.benefits-list .bl-item .no { font-family: 'Bebas Neue', 'Oswald', sans-serif; font-size: clamp(28px, 2.4vw, 44px); font-weight: 400; color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, .85); text-stroke: 1.5px rgba(255, 255, 255, .85); line-height: 1; letter-spacing: 1px; flex-shrink: 0; min-width: clamp(48px, 4.5vw, 78px); }
.benefits-list .bl-item .txt { font-size: clamp(15px, 1.4vw, 22px); color: #fff; line-height: 1.7; letter-spacing: .5px; }
@media (max-width: 640px) {
  .benefits-list .bl-item { gap: 14px; padding: 12px 0; }
  .benefits-list .bl-item .no { font-size: 24px; min-width: 40px; }
  .benefits-list .bl-item .txt { font-size: 13.5px; line-height: 1.6; }
}

.ncard { border-top: 2px solid var(--line); padding: clamp(18px, 1.6vw, 30px) 0 0; transition: .4s var(--ease); }
.ncard:hover { border-top-color: var(--brand); }
.ncard .no { font-size: clamp(26px, 2vw, 40px); font-weight: 300; color: var(--brand-deep); line-height: 1; letter-spacing: -1px; }
.ncard:hover .no { color: var(--brand); }
.ncard h4 { font-size: var(--fs-h3); color: var(--ink); font-weight: 700; margin: 14px 0 10px; }
.ncard p { font-size: var(--fs-body); color: var(--text-2); }
/* === 20261015ah 首页第4屏「数字技术服务」面板：去掉编号上方的灰色横线 === */
#p4 .biz-panel .ncard { border-top: none; }
/* === 20261015ai 首页第4屏「数字技术服务」编号大小/颜色对齐「数字整合传播」(.biz .no) === */
#p4 .biz-panel .ncard .no { font-size: var(--fs-small); color: var(--text-3); letter-spacing: 2px; font-weight: 400; }

/* 首页核心业务屏：整合传播 / 数字技术服务 Tab 切换
   主 Tab 用 h1 字号，右侧「数字技术服务」恒用小字号，选中态靠颜色 + 品牌色下划线表达 */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.biz-tabs { display: flex; align-items: baseline; gap: clamp(18px, 2.6vw, 56px); flex-wrap: wrap;
  margin-top: clamp(14px, 1.6vw, 30px); padding-bottom: clamp(10px, 1.2vw, 22px); border-bottom: 1px solid var(--line); }
.biz-tab { background: none; border: 0; padding: 0 0 4px; font-family: inherit; font-weight: 700; line-height: 1.28;
  letter-spacing: 1px; text-align: left; cursor: pointer; position: relative;
  color: var(--text-3); transition: color .35s var(--ease); }
.biz-tab.main, .biz-tab.side { font-size: var(--fs-h1); }
.biz-tab .sub { display: block; margin-top: 9px; font-size: clamp(9.5px, .68vw, 12.5px); font-weight: 400;
  letter-spacing: 2.6px; text-transform: uppercase; color: var(--text-3); transition: color .35s var(--ease); }
.biz-tab:hover { color: var(--ink); }
.biz-tab.on { color: var(--ink); font-size: var(--fs-h1); }
.biz-tab.on .sub { color: var(--brand); }
.biz-tab.on::after { content: ""; position: absolute; left: 0; right: 0; height: 3px; background: var(--brand);
  bottom: calc(-1 * clamp(10px, 1.2vw, 22px) - 1px); }
.biz-panel[hidden] { display: none; }
/* 首页核心业务屏的内容须塞进一屏：卡片配图改宽幅，短屏再自动压扁 */
@media (max-height: 900px) {
  #p4 .biz-tabs { margin-top: 10px; padding-bottom: 10px; }
  #p4 .biz-head .desc { margin-top: 12px; }
  #p4 .sec-head { margin-bottom: clamp(14px, 1.6vw, 26px); }
}
@media (max-height: 820px) {
  /* 矮屏（常见 1366×768 / 1280×800）：隐去英文副标题、缩小说明文字，优先保证两 Tab 都在一屏内 */
  #p4 .biz-head .en { display: none; }
  #p4 .biz-head .desc { font-size: clamp(12.5px, .85vw, 15px); line-height: 1.7; }
}
@media (max-width: 1024px) {
  /* 站点通用规则在 ≤1024 会把 g3 压成一列，这里保持三列，卡片才不会堆叠撑破整屏 */
  #p4 .biz-panel .grid.g3 { grid-template-columns: repeat(3, 1fr); }
  /* 窄屏下首屏辅助文字第一行恢复可换行，避免单行溢出 */
  .hero .sub-l1 { white-space: normal; }
}
@media (max-width: 640px) {
  #p4 .biz-panel .grid.g3 { grid-template-columns: 1fr; }
}
.biz-panel a.ncard { display: block; color: inherit; }
.biz-panel a.ncard:hover { border-top-color: var(--brand); }
.biz-panel a.ncard:hover .no { color: var(--brand); }
.biz-panel .link-red { margin-top: clamp(24px, 2.6vw, 44px); }
/* p4 窄屏（≤640）：两套 Tab 面板同样要塞进一屏
   —— 传播三卡改成「左侧缩略图 + 右侧文字」的横向紧凑行；技术服务四卡改双列 */
@media (max-width: 640px) {
  /* 窄屏下首屏留白不必按长屏规则给，挤出更多内容空间 */
  #p4 { padding-top: calc(var(--header-h) + 20px); padding-bottom: 32px; }
  #p4 .biz-head { margin-bottom: 16px; }
  #p4 .biz-head .bar { margin-bottom: 12px; }
  #p4 .biz-head .en { display: none; }
  #p4 .biz-tabs { margin-top: 12px; padding-bottom: 10px; gap: 16px; }
  #p4 .biz-tab.main, #p4 .biz-tab.side { font-size: 25px; }
  #p4 .biz-tab.on { font-size: 25px; }
  #p4 .biz-tab .sub { margin-top: 5px; font-size: 9px; letter-spacing: 1.8px; }
  #p4 .biz-head .desc { margin-top: 12px; font-size: 12.5px; line-height: 1.7; }
  /* 传播：横向行布局 */
  #p4 .biz-panel .grid.g3 { grid-template-columns: 1fr; gap: 14px; }
  #p4 .biz-panel .biz { display: block; }
  #p4 .biz-panel .biz .body { padding-top: 0; }
  #p4 .biz-panel .biz .no { font-size: 10.5px; letter-spacing: 1.6px; line-height: 1.4; }
  #p4 .biz-panel .biz h3 { font-size: clamp(15.5px, 4.4vw, 18px); margin: 5px 0 2px; }
  #p4 .biz-panel .biz .en { font-size: 9.5px; letter-spacing: 1.6px; }
  #p4 .biz-panel .biz p { margin-top: 6px; font-size: 12.5px; line-height: 1.65; }
  #p4 .biz-panel .biz .more { margin-top: 7px; font-size: 11.5px; }
  /* 技术服务：双列紧凑 */
  #p4 .biz-panel .grid.g4 { grid-template-columns: repeat(2, 1fr); gap: 14px 12px; }
  #p4 .biz-panel .ncard { padding-top: 13px; }
  #p4 .biz-panel .ncard .no { font-size: 10.5px; letter-spacing: 1.6px; line-height: 1.4; }
  #p4 .biz-panel .ncard h4 { font-size: clamp(13.5px, 3.7vw, 15.5px); margin: 8px 0 6px; line-height: 1.4; }
  #p4 .biz-panel .ncard p { font-size: 12px; line-height: 1.62; }
  #p4 .biz-panel .link-red { margin-top: 22px; }
}
/* 矮屏手机（典型 iPhone SE 375×667 / 老安卓 360×640）：再收一档留白与行距 */
@media (max-width: 640px) and (max-height: 700px) {
  #p4 { padding-top: calc(var(--header-h) + 14px); padding-bottom: 22px; }
  #p4 .biz-panel .grid.g3 { gap: 11px; }
  #p4 .biz-panel .biz h3 { margin: 3px 0 1px; }
  #p4 .biz-panel .biz p { margin-top: 5px; font-size: 11.8px; line-height: 1.55; }
  #p4 .biz-panel .biz .more { margin-top: 4px; }
  #p4 .biz-panel .grid.g4 { gap: 11px 12px; }
  #p4 .biz-panel .link-red { margin-top: 16px; }
}
@media (max-width: 400px) {
  /* 320–400px：说明文案、卡片英文副标题与 Tab 英文都退场，
     一是省高度，二是避免两个 Tab 因英文过宽而被迫换行 */
  #p4 .biz-head .desc { display: none; }
  #p4 .biz-tab .sub { display: none; }
  #p4 .biz-tabs { gap: 14px; flex-wrap: nowrap; }
  #p4 .biz-tab.main, #p4 .biz-tab.side { font-size: 22px; }
  #p4 .biz-tab.on { font-size: 22px; }
  #p4 .biz-panel .biz .en { display: none; }
  #p4 .biz-panel .biz p { font-size: 12px; }
}

/* 列表（我们提供/解决/带来） */
.dl { border-top: 1px solid var(--line); }
.dl .row { display: grid; grid-template-columns: 190px 1fr; gap: clamp(20px, 3vw, 60px); padding: clamp(22px, 2.2vw, 40px) 0; border-bottom: 1px solid var(--line); }
.dl .row h4 { font-size: var(--fs-h3); color: var(--ink); font-weight: 700; }
.dl .row h4 span { display: block; font-size: clamp(10px, 0.68vw, 12px); letter-spacing: 2px; color: var(--text-3); font-weight: 400; margin-top: 8px; }
.dl .row ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 30px; }
.dl .row li { position: relative; padding-left: 16px; font-size: var(--fs-body); color: var(--text-2); }
.dl .row li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--brand); }
.dl .row li b { color: var(--ink); font-weight: 600; }

/* .dl .row.provide 变体：与「我们解决」列表风格保持一致——2 列网格、左侧品牌色短划线、文字左对齐
   「我们提供」共 2 条，会按默认网格 1 行 × 2 列展开（与「我们解决」每行 2 条同款）。 */
.dl .row.provide ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 30px; padding: 0; margin: 0; }
.dl .row.provide li { position: relative; padding-left: 16px; font-size: var(--fs-body); color: var(--text-2); }
.dl .row.provide li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--brand); }
.dl .row.provide li .sep { color: var(--brand); margin: 0 6px; opacity: .55; font-weight: 400; }
.dl .row.provide li.hl, .dl .row.provide .hl { color: var(--brand); font-weight: 600; }
.dl .row.provide li.hl .sep, .dl .row.provide .hl .sep { opacity: .85; }
/* .dim 灰行：覆盖 .hl 强调，用于「我们提供」中第 2 行 3 项服务标签（与 .hl 配合在一行 li 内做色彩对比） */
.dl .row.provide li .dim, .dl .row.provide .dim { color: var(--text-2); font-weight: 400; }
.dl .row.provide li .dim .sep, .dl .row.provide .dim .sep { opacity: .35; }
/* 「我们带来」首条 .hl 强调：全行使用品牌蓝（与 .provide 的 ｜ 分隔符风格保持一致） */
.dl .row li.hl { color: var(--brand); font-weight: 600; }
.dl .row li.hl .sep { opacity: .85; margin: 0 6px; }
/* 第二屏辅助文字恢复为网站原浅灰（--text-2）；强调 .hl 仍保持品牌蓝：官方账号运营 / 网络形象优化 / 宣传内容打造 / 技术服务 */
.dl.dl-blue .row li:not(.hl),
.dl.dl-blue .row.provide li:not(.hl) { color: var(--text-2); }
.dl.dl-blue .row.provide li .dim,
.dl.dl-blue .row.provide .dim { color: var(--text-2); font-weight: 400; }
/* 官方账号运营 p2：强调标签（.hl）也改浅灰、不加粗，分隔符同步变灰（仅该页 p2 使用 .hl，故不影响其他三页） */
.dl.dl-blue .row li.hl,
.dl.dl-blue .row.provide li.hl { color: var(--text-2); font-weight: 400; }
.dl.dl-blue .row li.hl .sep,
.dl.dl-blue .row.provide li.hl .sep { color: var(--text-2); opacity: 1; }
/* 「我们提供」只有一条服务线时铺满整行，避免右侧留空 / 窄屏换行
   （宣传内容打造、数字技术服务 第二屏使用） */
.dl .row.provide ul.one { grid-template-columns: 1fr; }

/* 年表 */
.timeline { border-top: 1px solid var(--line); }
.timeline .row { display: grid; grid-template-columns: 150px 1fr; gap: clamp(20px, 3vw, 60px); padding: clamp(16px, 1.5vw, 26px) 0; border-bottom: 1px solid var(--line); transition: .35s var(--ease); }
.timeline .row:hover { background: var(--bg-gray-2); padding-left: 14px; }
.timeline .y { font-size: clamp(20px, 1.6vw, 32px); font-weight: 300; color: var(--ink); letter-spacing: 1px; font-variant-numeric: tabular-nums; }
.timeline .row:hover .y { color: var(--brand); font-weight: 400; }
.timeline .t { font-size: var(--fs-body); color: var(--text-2); }
.timeline .t b { color: var(--ink); font-weight: 600; }
.timeline.two { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: clamp(30px, 5vw, 100px); }

/* 院校墙 */
.schools { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.schools .item { background: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: clamp(18px, 1.6vw, 30px) 10px; transition: .35s var(--ease); cursor: pointer; min-height: clamp(96px, 8vw, 140px); }
.schools .item:hover { background: var(--brand); }
.schools .item .badge { width: 42px; height: 42px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: var(--brand); transition: .35s var(--ease); }
.schools .item:hover .badge { border-color: rgba(255, 255, 255, .5); color: #fff; }
.schools .item .nm { font-size: var(--fs-small); color: var(--text-2); text-align: center; line-height: 1.5; transition: .35s var(--ease); }
.schools .item:hover .nm { color: #fff; }
/* 合作院校模块：SVG 校徽替代文字徽标（首页 p5 / 合作院校模块） */
.schools .item .logo { width: clamp(40px, 4.4vw, 66px); height: clamp(40px, 4.4vw, 66px); object-fit: contain; transition: .35s var(--ease); }
.schools .item:hover .logo { filter: brightness(0) invert(1); }
/* 合作院校页：108 校徽墙（logo-only 卡片式留白网格，一屏内滚动，超出滚动查看） */
.schools.wall108 { grid-template-columns: repeat(9, 1fr); gap: clamp(36px, 4vw, 64px); background: transparent; border: none; padding: 2px; }
.schools.wall108 .item { min-height: 0; padding: clamp(16px, 1.4vw, 26px) 8px; gap: 0; }
.schools.wall108 .item:hover { background: transparent; }
.schools.wall108 .item:hover .logo { filter: none; transform: translateY(-3px); }
.schools.wall108 .item .logo { width: clamp(40px, 3.6vw, 62px); height: clamp(40px, 3.6vw, 62px); transition: transform .35s var(--ease); }
@media (max-width: 1280px) { .schools.wall108 { grid-template-columns: repeat(8, 1fr); } }
@media (max-width: 1024px) { .schools.wall108 { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 720px) { .schools.wall108 { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 460px) { .schools.wall108 { grid-template-columns: repeat(3, 1fr); } }

/* 合作院校页 p2（wall-screen）：logo 墙在一屏内自动向上滚动循环，hover/展开停止滚动
   注意：必须用 .wall-screen 限定作用域——#p2 是全站每个页面第二屏的通用 id，裸用会把其他页面的第二屏撑满整屏导致内容偏上 */
#p2.wall-screen { height: 100vh; padding-top: calc(var(--header-h) + clamp(48px, 5vw, 96px)); }
#p2.wall-screen .wrap { height: 100%; display: flex; flex-direction: column; }
/* 默认（折叠）：墙内 overflow:hidden + .track 持续 translateY 制造无缝向上滚动 */
#p2.wall-screen .schools.wall108 { flex: 1 1 auto; min-height: 0; overflow: hidden;
  position: relative; padding-top: 2px; padding-bottom: clamp(48px, 5vw, 80px);
  display: block; grid-template-columns: none; }   /* 内部 .track 接管 grid，墙本身改为块级避免被 9 等分压扁 */
/* .track 是 logo 墙的滚动轨道；HTML 内放了 108+108 份，translateY(-50%) 即可循环 */
#p2.wall-screen .schools.wall108 .track { display: grid; grid-template-columns: repeat(9, 1fr);
  gap: clamp(36px, 4vw, 64px); animation: wall-marquee 60s linear infinite; will-change: transform; }
#p2.wall-screen .schools.wall108:hover .track,
#p2.wall-screen .schools.wall108:focus-within .track { animation-play-state: paused; }
@keyframes wall-marquee {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(0, -50%, 0); }
}
@media (prefers-reduced-motion: reduce) {
  #p2.wall-screen .schools.wall108 .track { animation: none; }
}

.wall-toggle { position: absolute; opacity: 0; pointer-events: none; }
.wall-more { align-self: center; margin-top: clamp(16px, 1.6vw, 26px); display: inline-flex; align-items: center; gap: 9px;
  cursor: pointer; font-size: var(--fs-small); color: var(--brand); user-select: none; transition: .25s var(--ease); }
.wall-more:hover { color: var(--brand-deep); }
.wall-more .t-less { display: none; }
.wall-more i { position: relative; width: 16px; height: 16px; display: inline-block; }
.wall-more i::before { content: ""; position: absolute; left: 2px; top: 4px; width: 9px; height: 9px;
  border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: rotate(45deg); transition: .25s var(--ease); }
/* 展开态：取消 marquee，整屏可滚，仅显示原 108 校徽（track 内 109+ 重复项隐藏） */
#p2.wall-screen:has(.wall-toggle:checked) { height: auto; overflow-y: auto; min-height: 100vh;
  padding-top: calc(var(--header-h) + clamp(28px, 3vw, 56px)); }
#p2.wall-screen:has(.wall-toggle:checked) .wrap { height: auto; flex: none; }
#p2.wall-screen:has(.wall-toggle:checked) .schools.wall108 { flex: none; min-height: 0; overflow: visible; max-height: none; }
#p2.wall-screen:has(.wall-toggle:checked) .schools.wall108 .track { animation: none; transform: none; }
#p2.wall-screen:has(.wall-toggle:checked) .schools.wall108 .track .item:nth-child(n+109) { display: none; }
#p2.wall-screen:has(.wall-toggle:checked) .wall-more .t-more { display: none; }
#p2.wall-screen:has(.wall-toggle:checked) .wall-more .t-less { display: inline; }
#p2.wall-screen:has(.wall-toggle:checked) .wall-more i::before { top: 6px; transform: rotate(-135deg); }

@media (max-width: 767px) {
  #p2.wall-screen { height: auto; padding-top: calc(var(--header-h) + clamp(20px, 2.6vw, 48px)); }
  #p2.wall-screen .wrap { height: auto; flex: none; display: block; }
  #p2.wall-screen .schools.wall108 { flex: none; overflow: visible; max-height: none; padding-bottom: 0; }
  #p2.wall-screen .schools.wall108 .track { animation: none; transform: none; }
  .wall-more { display: none; }
}

/* 折叠态（默认）响应式列数：9/8/6/4/3 列，track 始终按 9 列以保证 marquee 节奏一致 */
@media (min-width: 768px) and (max-width: 1280px) {
  #p2.wall-screen .schools.wall108 .track { grid-template-columns: repeat(8, 1fr); }
}
@media (min-width: 768px) and (max-width: 1024px) {
  #p2.wall-screen .schools.wall108 .track { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 768px) and (max-width: 720px) {
  #p2.wall-screen .schools.wall108 .track { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 768px) and (max-width: 460px) {
  #p2.wall-screen .schools.wall108 .track { grid-template-columns: repeat(3, 1fr); }
}

/* 合作院校 p3（覆盖范围 + 数据同屏）：矮屏压缩，保证数据行不被裁切 */
@media (max-height: 860px) {
  .section.coverage-screen { padding-top: calc(var(--header-h) + clamp(14px, 2vw, 36px)); padding-bottom: clamp(18px, 2.4vw, 40px); }
  .section.coverage-screen .two { gap: clamp(24px, 3.4vw, 56px); }
  .section.coverage-screen .ph.r43 { max-width: 78%; margin-left: auto; }
  .section.coverage-screen .nums .cell { padding: clamp(14px, 1.6vw, 28px) 0; }
  .section.coverage-screen .nums .v { font-size: clamp(32px, 3.4vw, 58px); }
  .section.coverage-screen .nums .k { margin-top: 8px; font-size: var(--fs-small); }
}

/* 首页公司简介屏（设计图版）：蓝底整屏 / 大号英文题 + 黄杠 / 右上中文题 / 左文右圆像 / SNT 水印 / 圆形校徽条 */
.page.blue { background: var(--brand); }
.page.profile { color: #fff; }
.page.profile .wrap { position: relative; }
.page.profile .pf-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(20px, 2.8vw, 54px); }
.page.profile .pf-en { font-size: clamp(32px, 3.9vw, 74px); font-weight: 800; letter-spacing: 1px; line-height: 1.04; }
.page.profile .pf-en .yl { display: block; width: clamp(44px, 4vw, 78px); height: clamp(6px, .5vw, 9px); background: var(--accent); margin-top: clamp(12px, 1.5vw, 28px); }
.page.profile .pf-cn { font-size: clamp(19px, 1.55vw, 30px); font-weight: 700; letter-spacing: 3px; padding-bottom: clamp(2px, .4vw, 8px); }
.page.profile .pf-body { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; gap: clamp(24px, 4vw, 80px); align-items: center; }
.page.profile .pf-mark { position: absolute; top: clamp(-236px, -14.5vw, -104px); right: clamp(-12px, -.4vw, 0px); font-size: clamp(120px, 15.5vw, 300px); font-weight: 800; line-height: 1; letter-spacing: .04em; color: rgba(255, 255, 255, .07); pointer-events: none; user-select: none; z-index: 0; }
.page.profile .article { position: relative; z-index: 1; }
.page.profile .article p { color: rgba(255, 255, 255, .92); font-size: clamp(13px, .92vw, 15.5px); line-height: 1.95; margin-bottom: 14px; text-align: justify; }
.page.profile .article strong { color: #fff; font-weight: 600; }
.page.profile .pf-photo { position: relative; z-index: 1; justify-self: center; width: min(clamp(240px, 28vw, 500px), 48vh); }
.page.profile .pf-photo img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; border-radius: clamp(12px, 1.2vw, 22px); box-shadow: 0 24px 60px rgba(0, 0, 0, .28); }
/* === 20261015ag 首页第3屏（公司简介）图片去掉投影 === */
#p3 .pf-photo img { box-shadow: none; }
/* 合作院校条：整块移出 .wrap，通栏铺满屏宽，不再受 1720 版心约束 */
.page.profile .pf-foot { position: relative; z-index: 1; width: 100%; margin-top: clamp(20px, 3vw, 56px); }
.page.profile .pf-label { font-size: clamp(15px, 1.15vw, 20px); font-weight: 700; letter-spacing: 2px; margin-bottom: clamp(14px, 1.8vw, 30px); /* 通栏后标题仍与上方版心左对齐：视口超过 1720 时补回居中留白 */ padding-inline: max(var(--gut), calc((100% - 1720px) / 2 + var(--gut))); }
/* 合作院校：无缝滚动（两组首尾相接，位移 -50% 正好接回起点） */
.page.profile .pf-marquee { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 2.5%, #000 97.5%, transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 2.5%, #000 97.5%, transparent 100%); }
.page.profile .pf-track { display: flex; width: max-content; animation: pfSlide 38s linear infinite; will-change: transform; }
.page.profile .pf-group { display: flex; flex: none; gap: clamp(16px, 1.8vw, 34px); padding-right: clamp(16px, 1.8vw, 34px); }
.page.profile .pf-group .bd { width: clamp(44px, 4.4vw, 74px); aspect-ratio: 1/1; border-radius: 50%; background: #fff; color: var(--brand); display: flex; align-items: center; justify-content: center; font-size: clamp(16px, 1.5vw, 26px); font-weight: 800; box-shadow: 0 8px 22px rgba(0, 0, 0, .18); transition: .35s var(--ease); }
.page.profile .pf-group .bd:hover { transform: translateY(-5px); }
.page.profile .pf-group .bd img { width: 64%; height: 64%; object-fit: contain; display: block; }
.page.profile .pf-marquee:hover .pf-track { animation-play-state: paused; }
@keyframes pfSlide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .page.profile .pf-track { animation: none; } }
.page.profile .pf-down { position: absolute; left: 50%; bottom: clamp(10px, 2.4vh, 28px); transform: translateX(-50%); width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, .55); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; z-index: 3; transition: .3s var(--ease); }
.page.profile .pf-down:hover { background: #fff; color: var(--brand); border-color: #fff; }
/* 公司简介「查看更多」按钮：描边胶囊，悬停反白 */
.page.profile .pf-more {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: clamp(16px, 1.8vw, 30px); padding: 11px 30px;
  border-radius: 999px; background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, .6);
  font-size: var(--fs-small); letter-spacing: 3px; transition: .35s var(--ease);
}
.page.profile .pf-more i { width: 22px; height: 1px; background: #fff; transition: width .4s var(--ease); }
.page.profile .pf-more:hover { background: #fff; color: var(--brand); border-color: #fff; }
.page.profile .pf-more:hover i { background: var(--brand); width: 38px; }
/* 公司简介屏（p3）：各断点压缩，保证“标题 + 简介 + 圆像 + 校徽”同处一屏 */
@media (max-height: 860px) {
  .page.profile .pf-head { margin-bottom: clamp(14px, 2vh, 26px); }
  .page.profile .pf-en .yl { margin-top: clamp(10px, 1.4vh, 18px); }
  .page.profile .pf-foot { margin-top: clamp(14px, 2.4vh, 30px); }
  .page.profile .pf-label { margin-bottom: clamp(10px, 1.5vh, 20px); }
}
@media (max-width: 1024px) {
  .page.profile .article p { margin-bottom: 10px; }
}
@media (max-width: 900px) {
  .page.profile { padding-top: calc(var(--header-h) + 16px); padding-bottom: 60px; }
  .page.profile .pf-body { grid-template-columns: 1fr; gap: 18px; }
  .page.profile .article p { line-height: 1.78; margin-bottom: 8px; }
  .page.profile .pf-photo { width: min(clamp(180px, 44vw, 260px), 32vh); }
  .page.profile .pf-mark { font-size: clamp(110px, 24vw, 180px); top: -.35em; }
}
@media (max-width: 640px) {
  .page.profile { padding-bottom: 54px; }
  .page.profile .pf-body { gap: 14px; }
  .page.profile .article p { line-height: 1.7; margin-bottom: 6px; }
  .page.profile .pf-en { font-size: clamp(26px, 7.4vw, 34px); }
  .page.profile .pf-cn { font-size: 17px; letter-spacing: 2px; }
}
@media (max-width: 640px) {
  /* 滚动后不再受宽度限制：窄屏固定单排 + 稳定格距 */
  .page.profile .pf-group { gap: 12px; padding-right: 12px; }
  .page.profile .pf-group .bd { width: 44px; font-size: 15px; }
}
@media (max-width: 360px) {
  .page.profile .article p { font-size: 12.5px; line-height: 1.66; margin-bottom: 6px; }
  .page.profile .pf-photo { width: 160px; }
}

/* 关于我们：合作院校墙脚注 */
.wall-foot { margin-top: clamp(20px, 2.2vw, 42px); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.wall-foot > span { font-size: var(--fs-small); color: var(--text-2); letter-spacing: 1px; }

/* 实拍图片占位（替代原插画） */
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ============ 页脚 ============ */
.footer { background: var(--bg-gray); padding: clamp(44px, 5vw, 90px) 0 0; }
.footer .top { display: grid; grid-template-columns: 1.1fr 1fr .8fr; gap: clamp(24px, 3vw, 60px); }
.footer .logo .mark { border-color: var(--ink); }
.footer .info dt { font-size: var(--fs-small); color: var(--text-3); letter-spacing: 2px; margin-bottom: 6px; }
.footer .info dd { font-size: clamp(13px, 0.92vw, 16px); color: var(--ink); margin-bottom: 20px; line-height: 1.7; }
.footer .info dd a:hover { color: var(--brand); }
.footer .links { display: flex; flex-wrap: wrap; gap: 12px 34px; }
.footer .links a { font-size: var(--fs-body); color: var(--text-2); }
.footer .links a:hover { color: var(--brand); }
.footer .qr { display: flex; gap: 20px; }
.footer .qr .box { width: clamp(84px, 6.6vw, 118px); height: clamp(84px, 6.6vw, 118px); background: #fff; padding: 8px; border: 1px solid var(--line); }
.footer .qr .box img { width: 100%; height: 100%; object-fit: contain; display: block; }
.footer .qr p { font-size: var(--fs-small); color: var(--text-2); margin-top: 10px; text-align: center; }
.footer .qr p.brand { font-weight: 700; color: var(--ink); }
.footer .qr p.scan { margin-top: 4px; font-size: 11px; color: var(--text-3); letter-spacing: .5px; }
.footer .bottom { margin-top: clamp(30px, 3.4vw, 64px); border-top: 1px solid #DCDEEA; padding: 18px 0; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: var(--fs-small); color: var(--text-3); }

/* ============ 内页页头 ============ */
.phero { position: relative; padding: calc(var(--header-h) + clamp(50px, 6vw, 120px)) 0 clamp(40px, 5vw, 90px); background: var(--bg-gray); overflow: hidden; }
.phero.dark { background: var(--brand); color: #fff; }
.phero.dark .sec-head h2, .phero.dark .sec-head .en { color: #fff; }
.phero.dark .sec-head .bar { background: #fff; }
.phero.dark .sec-head .en { color: rgba(255, 255, 255, .5); }
.phero.dark .sec-head .desc { color: rgba(255, 255, 255, .75); }
/* 联系我们首屏：标题/辅助文字放大（两轮累计 +12px / +8px） */
.phero.big-hero .sec-head h2 { font-size: calc(var(--fs-h1) + 12px); }
.phero.big-hero .sec-head .desc { font-size: calc(var(--fs-body) + 8px); }
/* 业务子页（官方账号运营/网络形象优化/宣传内容打造/数字技术服务）首屏：标题与辅助说明字号放大 2 倍 */
.phero.biz-hero .sec-head h2 { font-size: calc(var(--fs-h1) + 12px); }
.phero.biz-hero .sec-head .desc { font-size: calc(var(--fs-body) + 8px); margin-top: 28px; }
/* 深度文案定制：首屏结构化辅助文案（三点） */
.phero.biz-hero .copy-points { list-style: none; margin: clamp(20px, 2.2vw, 38px) 0 0; padding: 0; display: grid; gap: clamp(10px, 1.1vw, 18px); max-width: 800px; }
.phero.biz-hero .copy-points li { position: relative; padding-left: 20px; }
.phero.biz-hero .copy-points li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.phero.biz-hero .copy-points b { display: block; color: #fff; font-size: clamp(15px, 1.2vw, 22px); font-weight: 700; letter-spacing: 1px; }
.phero.biz-hero .copy-points span { display: block; margin-top: 6px; color: rgba(255, 255, 255, .72); font-size: clamp(13px, 1vw, 18px); line-height: 1.7; letter-spacing: .5px; }

/* 加入我们首屏：标题与辅助说明文字字号放大 2 倍（仅作用于该页首屏，不影响其他页） */
.phero.join-hero .sec-head h2 { font-size: calc(var(--fs-h1) + 12px); }
.phero.join-hero .sec-head .desc { font-size: calc(var(--fs-body) + 8px); margin-top: 28px; }
/* 合作院校首屏：标题与辅助文字字号与“加入我们”首屏保持一致 */
.phero.schools-hero .sec-head h2 { font-size: calc(var(--fs-h1) + 12px); }
.phero.schools-hero .sec-head .desc { font-size: calc(var(--fs-body) + 8px); margin-top: 28px; }

.phero .crumb { font-size: var(--fs-small); color: var(--text-3); letter-spacing: 1px; margin-bottom: 26px; }
.phero .crumb a:hover { color: var(--brand); }
.phero.dark .crumb a:hover { color: #fff; }
.phero .crumb span { margin: 0 8px; }
/* 面包屑：返回图标 + 中间层级可点击 */
.phero .crumb a { color: inherit; text-decoration: none; }
.phero .crumb .back { display: inline-flex; align-items: center; justify-content: center; vertical-align: middle; width: 26px; height: 26px; margin-right: 12px; border: 1px solid currentColor; border-radius: 50%; color: inherit; opacity: .8; transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), opacity .25s var(--ease); }
.phero .crumb .back svg { width: 15px; height: 15px; display: block; }
.phero .crumb .back:hover { color: var(--brand); border-color: var(--brand); opacity: 1; transform: translateX(-2px); }
.phero.dark .crumb .back { opacity: .75; }
.phero.dark .crumb .back:hover { color: #fff; border-color: #fff; }
/* 图片 hero（关于我们首屏）：整幅 banner，文案已在图内，仅叠面包屑 */
.phero.photo { padding: var(--header-h) 0 0; background: var(--brand); }
.phero.photo .phero-bg { display: block; width: 100%; height: auto; max-height: calc(100vh - var(--header-h)); object-fit: cover; }
.phero.photo .wrap { position: absolute; inset: var(--header-h) 0 auto 0; }
.phero.photo .crumb { color: rgba(255, 255, 255, .85); margin: 16px 0 0; }
.phero.photo .crumb a:hover { color: #fff; }
.phero.dark .tabbar { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(26px, 3vw, 42px); }
.phero.dark .tabbar a { display: inline-flex; align-items: center; padding: 11px 24px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px; color: rgba(255,255,255,.82); font-size: 15px; font-weight: 500; letter-spacing: .5px; text-decoration: none; transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease); }
.phero.dark .tabbar a:hover { color: #fff; border-color: #fff; transform: translateY(-2px); }
.phero.dark .tabbar a.active { background: #fff; color: var(--brand); border-color: #fff; font-weight: 600; }
@media (max-width: 640px) { .phero.photo .phero-bg { min-height: 180px; } }
.phero.dark .crumb { color: rgba(255, 255, 255, .45); }

/* ============ 通用区块 ============ */
.section { padding: clamp(48px, 6vw, 130px) 0; }
/* 联系我们第二屏：左上角与右下角 SNT 字母淡灰背景装饰 */
.section.contact-info { position: relative; overflow: hidden; }
.section.contact-info::before,
.section.contact-info::after {
  content: "SNT";
  position: absolute;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1;
  color: rgba(0, 0, 0, .02);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  font-size: clamp(140px, 18vw, 340px);
}
.section.contact-info::before { top: 150px; left: -32px; transform: rotate(-45deg); }
.section.contact-info::after { bottom: 110px; right: 44px; transform: rotate(-45deg); }
.section.contact-info > .wrap { position: relative; z-index: 1; }
.section.gray { background: var(--bg-gray); }
.section.gray2 { background: var(--bg-gray-2); }
.section.dark { background: #141833; color: rgba(255, 255, 255, .8); }
/* 关于我们「愿景·使命·价值观」：改用品牌蓝 #31409A（其余页 .dark 保持深靛） */
.section.dark.brand { background: var(--brand); }
.section.dark .sec-head h2, .section.dark .sec-head .en { color: #fff; }
.section.dark .sec-head .bar { background: #fff; }
.section.dark .sec-head .desc { color: rgba(255, 255, 255, .6); }
.section.dark .nums .v { color: #fff; }
.section.dark .nums .v sup { color: #8FA3FF; }
.section.dark .nums .k { color: rgba(255, 255, 255, .6); }
.section.dark .nums .k i { color: #fff; }
.section.dark .nums .cell { border-top-color: rgba(255, 255, 255, .18); }
.section.team-data-screen { position: relative; overflow: hidden; }
.section.team-data-screen > .wrap { position: relative; z-index: 1; }
.section.team-data-screen .tnet { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
/* 团队数据背景装饰：线条减淡 + 缓慢旋转（左星座正转 / 右数据环反转） */
.section.team-data-screen .tnet .tn-spin { transform-box: view-box; transform-origin: 360px 450px; animation: tn-rot 90s linear infinite; }
.section.team-data-screen .tnet .tn-spin-r { transform-box: view-box; transform-origin: 1300px 450px; animation: tn-rot 130s linear infinite reverse; }
@keyframes tn-rot { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .section.team-data-screen .tnet .tn-spin,
  .section.team-data-screen .tnet .tn-spin-r { animation: none; }
}
.two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 90px); align-items: center; }
.three { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: clamp(24px, 3vw, 60px); }
.article p { font-size: clamp(13.5px, 0.98vw, 17px); color: var(--text); line-height: 2.05; margin-bottom: 18px; text-align: justify; }
.article p strong { color: var(--ink); font-weight: 600; }
.link-red { color: var(--brand); font-size: var(--fs-small); letter-spacing: 1px; display: inline-flex; align-items: center; gap: 10px; }
.link-red i { width: 24px; height: 1px; background: var(--brand); transition: width .4s var(--ease); }
.link-red:hover i { width: 46px; }

/* 表单 */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px, 2vw, 34px) clamp(20px, 3vw, 48px); }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-size: var(--fs-small); color: var(--text-2); letter-spacing: 1px; margin-bottom: 8px; }
.form input, .form textarea {
  width: 100%; background: #fff; border: 1px solid var(--line);
  padding: 13px 16px; transition: .3s var(--ease); border-radius: 0;
}
.form input:focus, .form textarea:focus { border-color: var(--ink); }
.form input.err, .form textarea.err { border-color: var(--brand); background: #EDEFFA; }
.form .submit { display: flex; align-items: center; gap: 20px; }
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--ink); color: #fff; padding: 15px 46px;
  font-size: var(--fs-body); letter-spacing: 3px; transition: .35s var(--ease);
}
.btn:hover { background: var(--brand); color: #fff; padding-right: 56px; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.form .msg { font-size: var(--fs-small); color: var(--brand); }

/* === 20261015af 联系我们页「提交需求」按钮改品牌蓝 === */
#p3 .form .btn { background: var(--brand); color: #fff; }
#p3 .form .btn:hover { background: #28356E; color: #fff; }

/* 提示条 */
.toast { position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 16px); background: var(--ink); color: #fff; padding: 14px 34px; font-size: var(--fs-small); letter-spacing: 1px; z-index: 999; opacity: 0; visibility: hidden; transition: .35s var(--ease); }
.toast.on { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* 弹窗 */
.mask { position: fixed; inset: 0; background: rgba(20, 20, 20, .62); z-index: 950; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; visibility: hidden; transition: .3s var(--ease); }
.mask.on { opacity: 1; visibility: visible; }
.modal { background: #fff; width: 100%; max-width: 640px; max-height: 84vh; overflow-y: auto; padding: clamp(26px, 3vw, 48px); transform: translateY(18px); transition: .35s var(--ease); }
.mask.on .modal { transform: none; }
.modal .mh { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 22px; }
.modal h3 { font-size: var(--fs-h3); color: var(--ink); }
.modal h3 span { display: block; font-size: var(--fs-small); color: var(--text-3); letter-spacing: 2px; font-weight: 400; margin-top: 6px; }
.modal .close { font-size: 24px; line-height: 1; color: var(--text-3); }
.modal .close:hover { color: var(--brand); }
.modal .meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.modal .meta span { font-size: var(--fs-small); border: 1px solid var(--line); padding: 4px 14px; color: var(--text-2); }
.modal h5 { font-size: var(--fs-body); color: var(--ink); margin: 20px 0 10px; }
.modal h5::before { content: ""; display: inline-block; width: 12px; height: 2px; background: var(--brand); margin-right: 10px; vertical-align: 4px; }
.modal ul li { position: relative; padding-left: 16px; color: var(--text-2); line-height: 2; }
.modal ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--text-3); }
.modal .act { margin-top: 26px; }

/* 滚动动效 */
/* 渐进显现仅在 JS 确认就绪后启用（html.jsfx），JS 失效时内容直接可见、绝无空白 */
.jsfx .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.jsfx .reveal.in { opacity: 1; transform: none; }
.jsfx .reveal.d1 { transition-delay: .08s; } .jsfx .reveal.d2 { transition-delay: .16s; } .jsfx .reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { .jsfx .reveal { opacity: 1; transform: none; transition: none; } }

/* ============================================================
   服务数据屏（按设计图还原）
   底色 #F9FAFF · 标题与数字 #31409A · 强调字 #FFA600
   量自设计图的几何：数字行高 143px、行间距 ~103px、
   胶囊高度 = 数字行高、左端直角右端半圆
   ============================================================ */
.page.data { background: #F9FAFF; padding-top: var(--header-h); padding-bottom: clamp(40px, 6vw, 110px); }
.page.data .bgflow { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.page.data .bgflow svg { position: relative; width: 100%; height: 100%; }
.page.data .wrap { position: relative; z-index: 2; }

/* 背景数字雨：浅蓝色数字列持续向下掉落
   色值沿用原纹理的浅蓝 rgba(49,64,154)，靠列透明度做出疏密，保持极淡不抢前景 */
.drain { --fs: 17px; position: absolute; inset: 0; }
.dcol {
  position: absolute; top: 0; left: var(--x, 50%);
  width: 1.05em;
  font-family: Arial, Helvetica, sans-serif;
  font-size: var(--fs); font-weight: 700; line-height: 1.72;
  text-align: center;
  color: rgba(49, 64, 154, .10);
  opacity: var(--o, .8);
  word-break: break-all; overflow-wrap: anywhere;
  will-change: transform;
  animation: dfall var(--dur, 24s) linear infinite;
  animation-delay: var(--delay, 0s);
}
/* 列内容为同一段数字重复两份，位移量 --seg 由 JS 按"字高 × 行数"精确给出，
   等于一份的高度，因此循环处严丝合缝、看不出接缝 */
@keyframes dfall {
  /* 垂直匀速下落；横向在中段偏出 --dx、两端归零，
     相邻列 --dx 正负交替，轨迹彼此交织又保证循环无跳变 */
  from { transform: translate(0, calc(-1 * var(--seg, 50%))); }
  50%  { transform: translate(var(--dx, 0px), calc(-0.5 * var(--seg, 50%))); }
  to   { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .dcol { animation: none; }
}

/* 版式：标题嵌在前两行数字左侧，第三行（超长数字）跨两列 */
.dstage {
  --num: clamp(42px, 10.2vw, 188px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2.6vw, 50px);
  row-gap: clamp(20px, 4.2vw, 84px);
}

.dtitle {
  grid-column: 1; grid-row: 1 / 3; align-self: start;
  font-size: var(--fs-h1); font-weight: 700; line-height: 1.5;
  letter-spacing: 1px; color: var(--brand);
}
.dtitle em { font-style: normal; color: var(--accent); margin: 0 .2em; }

.drow { display: flex; align-items: center; justify-content: flex-end; gap: clamp(8px, 1.3vw, 24px); }
.drow.r1 { grid-column: 2; grid-row: 1; }
.drow.r2 { grid-column: 2; grid-row: 2; }
.drow.r3 { grid-column: 1 / 3; grid-row: 3; }

/* 数字：改用 Anton（OFL 授权、自托管，超粗窄高的展示字体，风格同截图），
   配合 tabular-nums 让滚动计数时位数对齐稳定、不抖动 */
@font-face {
  font-family: 'Bebas Neue';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/bebas-neue-400.woff2?v=20261009a') format('woff2');
}
.dnum {
  font-family: 'Bebas Neue', 'Oswald', 'Arial Narrow', 'Helvetica Neue', sans-serif;
  font-size: var(--num); font-weight: 400; line-height: .84; letter-spacing: .06em;
  color: var(--brand); font-variant-numeric: tabular-nums; white-space: nowrap;
  -webkit-text-stroke: 0.055em var(--brand);  /* Bebas Neue 单字重，用同色描边加粗 */
  text-stroke: 0.055em var(--brand);
  paint-order: stroke fill;
}
.dnum sup { font-size: .9em; font-weight: 400; line-height: 0; vertical-align: baseline; -webkit-text-stroke: 0.055em var(--brand); text-stroke: 0.055em var(--brand); }

/* 胶囊标签：高度对齐数字字身高，左端直角、右端半圆 */
.dtag {
  flex: none; height: calc(var(--num) * .72); min-height: 34px;
  padding: 0 clamp(9px, 1.5vw, 30px);
  background: var(--brand); color: #fff;
  font-size: clamp(10px, 1.25vw, 26px); line-height: 1.4; letter-spacing: .5px;
  border-radius: 0 999px 999px 0;
  display: flex; align-items: center; justify-content: center; text-align: center;
}

/* 本屏底部居中的下翻按钮 */
.scrolldown.center {
  left: calc(50% - 30px); right: auto; bottom: clamp(14px, 2.2vw, 38px);
  width: 60px; height: 60px;
  border-color: rgba(49, 64, 154, .3); color: var(--brand);
}

/* 数据屏：逐行入场动画（标题 → 各行数字依次浮现）。
   触发改为「进入本屏时」由 JS 加 .played 重放，避免首屏启动时邻接屏被提前 .in、
   导致动画在屏幕外已播放完、肉眼看不到的问题。数字滚动计数逻辑保持不变。 */
.jsfx .page.data .reveal { opacity: 0; }                 /* 默认隐藏，等 .played 触发 */
.jsfx .page.data.played .reveal {
  animation: dataIn .72s cubic-bezier(.2, .7, .2, 1) both;
}
.jsfx .page.data.played .dtitle.reveal { animation-delay: 0s; }
.jsfx .page.data.played .drow.r1.reveal { animation-delay: .18s; }
.jsfx .page.data.played .drow.r2.reveal { animation-delay: .42s; }
.jsfx .page.data.played .drow.r3.reveal { animation-delay: .66s; }
@keyframes dataIn {
  from { opacity: 0; transform: translateY(34px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .jsfx .page.data .reveal { opacity: 1; animation: none; }
}

/* ============================================================
   品牌蓝底：仅首页首屏（banner）用 #31409A
   首页其余屏与页脚保持原有浅色体系，不做反白改写
   内页页头（.phero.dark）同样使用 #31409A
   ============================================================ */

/* 首屏：整屏蓝底 + 反白。遮罩置透明，确保底色是精确的 #31409A */
.is-home .hero { background: var(--brand); }
.is-home .hero::after { background: transparent; }
.is-home .hero h1 em { border-bottom-color: #fff; }
.is-home .scrolldown:hover { background: #fff; border-color: #fff; color: var(--brand); }

/* ============ 响应式 ============ */
@media (max-width: 1280px) {
  :root { --header-h: 84px; }
  .nav > li > a { padding: 0 14px; }
}

@media (max-width: 1024px) {
  .burger { display: block; }
  .nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    background: #fff; display: block; height: auto; max-height: 0; overflow: hidden;
    transition: max-height .45s var(--ease); box-shadow: 0 20px 40px rgba(0, 0, 0, .1);
  }
  .nav.open { max-height: 78vh; overflow-y: auto; }
  .nav > li { display: block; height: auto; border-bottom: 1px solid var(--line); }
  .nav > li > a { height: auto; padding: 16px var(--gut); border-bottom: 0; }
  .nav > li.active > a { border-bottom: 0; }
  .subnav { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border-top: 0; border-radius: 0; background: var(--bg-gray-2); padding: 6px 0 14px; }
  .subnav a { padding: 9px var(--gut); }
  .subnav.mega { display: block; padding: 0 0 6px; }
  .subnav.mega .msec + .msec { border-left: 0; padding-left: 0; }
  .subnav.mega .msec-t { padding: 10px var(--gut) 6px; }
  .subnav.mega .mcols { display: block; }
  .subnav .gt { padding: 8px var(--gut) 4px; }
  .subnav.mega .mcol a.sub, .subnav.mega .mcol .gt-sub { padding: 7px var(--gut) 7px calc(var(--gut) + 12px); }
  .nums, .nums.four, .nums.six { grid-template-columns: repeat(2, 1fr); }
  .nums .cell:nth-child(n) { padding-left: 0; }
  .g4, .g3 { grid-template-columns: repeat(2, 1fr); }
  .schools { grid-template-columns: repeat(3, 1fr); }
  .two, .three, .dl .row, .tl-row { grid-template-columns: 1fr; }
  .sec-head.split { display: block; }
  .sec-head.split .right { text-align: left; margin-top: 20px; }
  .footer .top { grid-template-columns: 1fr; }
  .footer .qr { justify-content: flex-start; }
  .timeline.two { grid-template-columns: 1fr; }
  .timeline .row { grid-template-columns: 90px 1fr; }
  .pager { display: none; }
  .hero .hero-deco { display: none; }
  .scrolldown { display: none; }
}

@media (max-width: 640px) {
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .schools { grid-template-columns: repeat(2, 1fr); }
  .form { grid-template-columns: 1fr; }
  .page { min-height: auto; padding: calc(var(--header-h) + 40px) 0 60px; }
  .swiper { scroll-snap-type: none; height: auto; }
  .hero { min-height: 88vh; padding-top: calc(var(--header-h) + 60px); }
  .hero h1 br.brk { display: inline; }   /* 窄屏在「高教领域」后断行 */
  /* 数据屏：窄屏改为标题在上、数字与标签各自成行，避免超长数字溢出 */
  .dstage { --num: clamp(24px, 8.6vw, 60px); grid-template-columns: minmax(0, 1fr); row-gap: 22px; }
  .dtitle, .drow.r1, .drow.r2, .drow.r3 { grid-column: 1; grid-row: auto; }
  .drow { flex-direction: column; align-items: flex-start; row-gap: 6px; }
  .dtag { height: auto; min-height: 0; padding: 7px 16px; }
  .scrolldown.center { display: none; }
}

/* 超窄屏（≤340）：主标题再收一档字号并收紧字距，
   避免「数字整合传播专家」因 2px 字距差被拆成两行 */
@media (max-width: 340px) {
  .hero h1 { font-size: clamp(30px, 10vw, 38px); letter-spacing: 1.5px; }
}

/* ============================================================
   首屏动效：JS 给 .hero 加 .anim 后才启用
   ① 标题逐字上浮  ② 下划线从左展开  ③ 背景几何呼吸/漂移
   ④ 数字计数（沿用 data-num）  ⑤ 指针视差  ⑥ 向下箭头提示
   系统开启「减少动态效果」时 JS 不加 .anim，全部保持静态
   ============================================================ */
@keyframes heroCharIn { from { opacity: 0; transform: translateY(.4em); } to { opacity: 1; transform: none; } }
/* 下划线：from 0 → 100%，基础态就是 100%，即使动画被禁用也只是「没有展开效果」，不会丢线 */
@keyframes heroLineIn { from { background-size: 0 4px; } to { background-size: 100% 4px; } }
@keyframes heroOrb { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.05); opacity: .8; } }
@keyframes heroRing { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.07); } }
@keyframes heroDot { 0%, 100% { transform: scale(1); opacity: .85; } 50% { transform: scale(2.2); opacity: .3; } }
@keyframes heroGrid { from { transform: translate(0, 0); } to { transform: translate(-38px, 22px); } }
@keyframes heroSqIn { from { opacity: 0; transform: translateY(-16px) scale(.86); } to { opacity: 1; transform: none; } }
@keyframes heroArrow { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ① 标题逐字上浮（逐字延迟由 JS 写入）
      位移交给逐字动画，容器只做淡入——否则整块上浮 + 逐字上浮会互相打架 */
.jsfx .hero h1.reveal { transform: none; transition-duration: .5s; }
/* 基础态是「可见」，靠 animation-fill-mode: both 在延迟期间取 from 帧（不可见）——
   这样万一动画被浏览器策略禁用，文字也不会永久消失 */
.hero.anim h1 .ch { display: inline-block; animation: heroCharIn .62s var(--ease) both; }
/* ② 下划线由「现成的一条 border」改为从左展开 */
.hero.anim h1 em {
  border-bottom-color: transparent;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat; background-position: 0 100%;
  background-size: 100% 4px;
  animation: heroLineIn .8s var(--ease) .95s both;
}
/* ③ 背景几何：网格漂移 + 光晕呼吸 + 光点脉冲 + 方块入场 */
.hero.anim .bgart svg .grid { animation: heroGrid 19s ease-in-out infinite alternate; }
.hero.anim .bgart svg .orb,
.hero.anim .bgart svg .ring,
.hero.anim .bgart svg .ring2,
.hero.anim .bgart svg .dot { transform-box: fill-box; transform-origin: center; }
.hero.anim .bgart svg .orb { animation: heroOrb 11s ease-in-out infinite; }
.hero.anim .bgart svg .ring { animation: heroRing 7s ease-in-out -3.5s infinite; }
.hero.anim .bgart svg .ring2 { animation: heroRing 9s ease-in-out infinite; }
.hero.anim .bgart svg .dot { animation: heroDot 3.4s ease-in-out infinite; }
.hero.anim .bgart svg .squares rect { transform-box: fill-box; transform-origin: center; animation: heroSqIn .9s var(--ease) both; }
.hero.anim .bgart svg .squares rect:nth-child(1) { animation-delay: .35s; }
.hero.anim .bgart svg .squares rect:nth-child(2) { animation-delay: .5s; }
.hero.anim .bgart svg .squares rect:nth-child(3) { animation-delay: .65s; }
.hero.anim .bgart svg .squares rect:nth-child(4) { animation-delay: .8s; }
/* ⑤ 指针视差：背景先放大 3%，位移时才不会露出边缘 */
.hero .bgart { will-change: transform; transition: transform .7s cubic-bezier(.22, .61, .36, 1); }
.hero.anim .bgart { transform: scale(1.03); }
/* ⑥ 向下浏览提示 */
.scrolldown svg { animation: heroArrow 2.2s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .hero.anim h1 .ch { opacity: 1; animation: none; }
  .hero.anim h1 em { animation: none; border-bottom-color: currentColor; background-image: none; }
  .hero.anim .bgart svg .grid,
  .hero.anim .bgart svg .orb,
  .hero.anim .bgart svg .ring,
  .hero.anim .bgart svg .ring2,
  .hero.anim .bgart svg .dot,
  .hero.anim .bgart svg .squares rect,
  .scrolldown svg { animation: none; }
  .hero.anim .bgart { transform: none; }
  .hero .bgart { transition: none; }
}

/* ---------- 发展历程（关于我们）：设计图版 ----------
   整屏固定为一屏高度，卡片超出时右侧区域内部上下滚动 */
.section.hist {
  height: 100vh; height: 100dvh;          /* 移动端用 dvh，避开浏览器工具栏造成的高度差 */
  min-height: 520px;
  padding-top: calc(var(--header-h) + clamp(54px, 5.2vw, 82px));
  padding-bottom: clamp(22px, 2.4vw, 48px);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.hist-wrap { display: grid; grid-template-columns: minmax(190px, 320px) 1fr; gap: clamp(28px, 3.4vw, 70px); align-items: stretch; flex: 1 1 auto; min-height: 0; }
.hist-side { min-height: 0; display: flex; align-items: center; }
.hist-side img { width: 100%; height: 100%; object-fit: contain; object-position: center; display: block; }
.hist-cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 1.8vw, 34px);
  align-items: start; align-content: start;
  min-height: 0;                          /* 关键：允许在有限高度内收缩并滚动 */
  overflow-y: auto; overflow-x: hidden;
  padding: 6px clamp(6px, .7vw, 14px) 6px 2px;   /* 留出滚动条与卡片上浮的余量 */
  scrollbar-width: thin; scrollbar-color: rgba(49, 64, 154, .4) rgba(20, 24, 51, .07);
  overscroll-behavior: contain;           /* 滚到底不把页面一起带走 */
}
/* 仅在真的超出一屏时才加上下渐隐（.scrollable 由 JS 判定），滚到底后收掉底部渐隐 */
.hist-cols.scrollable {
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 10px, #000 calc(100% - 30px), transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0, #000 10px, #000 calc(100% - 30px), transparent 100%);
}
.hist-cols.scrollable.at-end {
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 10px);
          mask-image: linear-gradient(180deg, transparent 0, #000 10px);
}
.hist-cols::-webkit-scrollbar { width: 6px; }
.hist-cols::-webkit-scrollbar-track { background: rgba(20, 24, 51, .06); border-radius: 3px; }
.hist-cols::-webkit-scrollbar-thumb { background: rgba(49, 64, 154, .32); border-radius: 3px; }
.hist-cols::-webkit-scrollbar-thumb:hover { background: rgba(49, 64, 154, .6); }
.hcol { display: grid; gap: clamp(16px, 1.8vw, 34px); }
.hcol.mid { margin-top: clamp(26px, 3.2vw, 60px); }        /* 设计图：中间列整体下移错峰 */
.hcard { background: #fff; padding: clamp(18px, 1.8vw, 32px); box-shadow: 0 14px 40px rgba(20, 24, 51, .06); transition: .4s var(--ease); }
.hcard:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(20, 24, 51, .1); }
.hcard .y { text-align: right; color: var(--brand); font-size: clamp(22px, 2vw, 34px); font-weight: 800; line-height: 1; }
.hcard .y i { font-style: normal; font-size: .4em; font-weight: 600; margin-left: 3px; }
.hcard .t { margin-top: clamp(12px, 1.2vw, 20px); padding-top: clamp(12px, 1.2vw, 20px); border-top: 1px solid var(--line); font-size: clamp(12.5px, .85vw, 14.5px); line-height: 1.85; color: #4A5068; }
.hcard .t b { color: var(--brand); font-weight: 700; }
@media (max-width: 1024px) {
  .hist-wrap { gap: clamp(22px, 2.6vw, 40px); }
}
@media (max-width: 900px) {
  /* 窄屏：左卡置顶、卡片单列并改按年份顺序排（order 由模板写入） */
  .hist-wrap { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .hist-side { max-width: 200px; }
  .hist-side img { height: auto; object-fit: fill; }   /* 单列时左卡按自然比例，别把一屏吃满 */
  .hist-cols { grid-template-columns: 1fr; }
  .hcol { display: contents; }
  .hcol.mid { margin-top: 0; }
}

/* ===== 关于我们 · 公司简介（设计图版：品牌蓝卡 + SNT 水印） ===== */
.apf { background: #fff; }
.apf .apf-wrap { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(210px, .82fr) 1.4fr; gap: clamp(26px, 4vw, 78px); align-items: center; }
.apf .apf-card { position: relative; z-index: 1; overflow: hidden; background: var(--brand); }
.apf .apf-card img { display: block; width: 100%; height: auto; }
.apf .article { position: relative; z-index: 1; }
.apf .article p { font-size: clamp(13px, .95vw, 16px); line-height: 2; margin-bottom: clamp(10px, 1.2vw, 20px); }
.apf .article p:last-child { margin-bottom: 0; }
.apf .apf-stat { display: flex; align-items: baseline; gap: clamp(10px, 1.1vw, 18px); margin-top: clamp(14px, 1.6vw, 26px); padding-top: clamp(12px, 1.3vw, 22px); border-top: 1px solid var(--line); }
.apf .apf-stat .v { font-size: clamp(30px, 3.1vw, 56px); font-weight: 300; line-height: 1; letter-spacing: -1.5px; color: var(--brand); font-variant-numeric: tabular-nums; }
.apf .apf-stat .k { font-size: clamp(12px, .82vw, 15px); letter-spacing: 1.5px; color: var(--text-2); }
.apf .apf-stat .item { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; gap: clamp(6px, .6vw, 10px); padding-left: clamp(14px, 1.4vw, 22px); border-left: 1px solid var(--line); }
.apf .apf-stat .item:first-child { padding-left: 0; border-left: 0; }
@media (max-width: 900px) {
  .apf .apf-wrap { grid-template-columns: 1fr; gap: clamp(20px, 5vw, 34px); }
  .apf .apf-card img { width: auto; max-width: 100%; max-height: 50dvh; margin: 0 auto; }
}

@media (max-width: 640px) {
  .apf .apf-wrap { gap: 16px; }
  .apf .apf-card img { max-height: 44dvh; }
  .apf .article p { font-size: 12.8px; line-height: 1.76; margin-bottom: 8px; }
  .apf .apf-stat { margin-top: 10px; padding-top: 10px; gap: 8px; }
  .apf .apf-stat .v { font-size: 26px; letter-spacing: -1px; }
  .apf .apf-stat { flex-wrap: wrap; gap: 12px 16px; }
  .apf .apf-stat .item { flex: 0 0 calc(50% - 8px); padding-left: 12px; }
  .apf .apf-stat .item:nth-child(2n+1) { border-left: 0; padding-left: 0; }
  .apf .apf-stat .item:nth-child(3),
  .apf .apf-stat .item:nth-child(4) { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; }
  .apf .apf-stat .k { font-size: 12px; letter-spacing: 1px; }
}

/* ===== SNT 大字水印装饰（白底模块 p2 公司简介 / p5 团队结构：模块内满铺居中） ===== */
.deco-host { position: relative; overflow: hidden; }
.deco-host .wrap { position: relative; z-index: 1; }
.deco-mask { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; user-select: none; }
.deco-mask i { position: absolute; font-style: normal; font-weight: 800; font-size: clamp(96px, 11vw, 210px); line-height: 1; letter-spacing: 0; color: rgba(49, 64, 154, .066); }
/* 左上组：S 贴上边、N 对角居中、T 贴左边；沿对角线等距排布、互不重叠（避免叠加处颜色变深） */
.deco-mask i:nth-child(1) { top: -.1em; left: 1.5em; transform: rotate(45deg); }
.deco-mask i:nth-child(2) { top: .7em; left: .7em; transform: rotate(45deg); }
.deco-mask i:nth-child(3) { top: 1.5em; left: -.1em; transform: rotate(45deg); }
/* 右下组（点对称）：S 贴下边、N 对角居中、T 贴右边 */
.deco-mask i.b:nth-child(4) { bottom: -.1em; right: 1.5em; transform: rotate(45deg); }
.deco-mask i.b:nth-child(5) { bottom: .7em; right: .7em; transform: rotate(45deg); }
.deco-mask i.b:nth-child(6) { bottom: 1.5em; right: -.1em; transform: rotate(45deg); }
@media (max-width: 640px) {
  .deco-mask i { font-size: 22vw; }
}

/* ===== 联系我们首屏：连接线条装饰（节点+流动光点） ===== */
.phero .wrap { position: relative; z-index: 1; }
.cnet { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.cnet .cl { stroke: rgba(255, 255, 255, .16); stroke-width: 1; fill: none; }
.cnet .cl.dash { stroke-dasharray: 5 7; animation: dashflow 26s linear infinite; }
.cnet .cp { fill: none; stroke: rgba(255, 255, 255, .75); stroke-width: 1.6; stroke-linecap: round;
  stroke-dasharray: 12 88; animation: cnetflow 7s linear infinite; }
.cnet .cp.acc { stroke: #8FA3FF; }
.cnet .cn { fill: rgba(255, 255, 255, .38); animation: cnetpulse 4.2s ease-in-out infinite; }
.cnet .cn.acc { fill: #8FA3FF; }
.cnet .cn.hub { fill: rgba(255, 255, 255, .9); animation: hubbreathe 3.4s ease-in-out infinite;
  transform-box: fill-box; transform-origin: center; }
.cnet .cnr { fill: none; stroke: rgba(255, 255, 255, .3); stroke-width: 1; animation: cntring 3.6s ease-out infinite; }
@keyframes cnetflow { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@keyframes cnetpulse { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
@keyframes cntring { 0% { opacity: .8; } 70%, 100% { opacity: 0; } }
@keyframes dashflow { to { stroke-dashoffset: -240; } }
@keyframes hubbreathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.4); } }
/* 加入我们主题：加号脉冲（新成员加入）与虚位以待空圈 */
.cnet .jplus { transform-box: fill-box; transform-origin: center; stroke: rgba(255, 255, 255, .6); stroke-width: 2; stroke-linecap: round; fill: none; animation: joinplus 3.2s ease-in-out infinite; }
.cnet .slot { fill: none; stroke: rgba(143, 163, 255, .75); stroke-width: 1.2; stroke-dasharray: 4 5; animation: dashflow 20s linear infinite; }
@keyframes joinplus { 0%, 100% { transform: scale(1); opacity: .5; } 50% { transform: scale(1.35); opacity: 1; } }
/* 加入我们主题 v2：同心轨道（团队核心+卫星环绕运转） */
.cnet .oring { fill: none; stroke: rgba(255, 255, 255, .16); stroke-width: 1; }
.cnet .oring.dash { stroke: rgba(255, 255, 255, .24); stroke-dasharray: 3 7; animation: dashflow 30s linear infinite; }
.cnet .oring.core { stroke: rgba(255, 255, 255, .5); stroke-width: 1.5; }
.cnet .orb { transform-box: view-box; transform-origin: 1050px 380px; animation: orbspin 24s linear infinite; }
.cnet .orb.o1 { animation-duration: 20s; animation-delay: -3s; }
.cnet .orb.o2 { animation-duration: 32s; animation-delay: -12s; }
.cnet .orb.o3 { animation-duration: 44s; animation-delay: -7s; }
.cnet .orb.rev { animation-direction: reverse; }
.cnet .osat { fill: rgba(255, 255, 255, .85); }
.cnet .osat.acc { fill: #8FA3FF; }
@keyframes orbspin { to { transform: rotate(360deg); } }
/* 合作院校主题：点亮矩阵（院校方格逐一点亮加入合作网络） */
.cnet .mq { fill: rgba(255, 255, 255, .10); }
.cnet .mq.lit { fill: rgba(255, 255, 255, .55); animation: mqlit 6s ease-in-out infinite; }
.cnet .mq.core { fill: #8FA3FF; transform-box: fill-box; transform-origin: center; animation: sqpulse 4.2s ease-in-out infinite; }
.cnet .mlink { stroke: rgba(255, 255, 255, .18); stroke-width: 1; fill: none; }
@keyframes mqlit { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }
@keyframes sqpulse { 0%, 100% { transform: scale(1); opacity: .8; } 50% { transform: scale(1.3); opacity: 1; } }
/* 官方账号运营主题：内容流（多平台发布通道+内容卡片+互动图标） */
.cnet .flane { stroke: rgba(255, 255, 255, .15); stroke-width: 1; fill: none; }
.cnet .flane.dash { stroke-dasharray: 5 7; animation: dashflow 26s linear infinite; }
.cnet .fcard { fill: rgba(255, 255, 255, .14); }
.cnet .fcard.lit { fill: rgba(255, 255, 255, .5); animation: mqlit 5.5s ease-in-out infinite; }
.cnet .fcard.lit.acc { fill: #8FA3FF; }
.cnet .ico { stroke: rgba(255, 255, 255, .6); stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.cnet .ico.acc { stroke: #8FA3FF; }
.cnet .ico.beat { transform-box: fill-box; transform-origin: center; animation: sqpulse 3.2s ease-in-out infinite; }
/* 网络形象优化首屏：搜索排名攀升（结果轨道 + 攀升折线逐级跃升 + 上升箭头） */
.cnet .rk { stroke: rgba(255, 255, 255, .16); stroke-width: 1; fill: none; }
.cnet .rk .sub { stroke: rgba(255, 255, 255, .08); }
.cnet .rk .acc { stroke: rgba(143, 163, 255, .4); stroke-width: 1.4; }
.cnet .rkbox { fill: rgba(255, 255, 255, .12); }
.cnet .rkbox .hot { fill: #8FA3FF; transform-box: fill-box; transform-origin: center; animation: sqpulse 4.2s ease-in-out infinite; }
.cnet .rkline { fill: none; stroke: rgba(255, 255, 255, .22); stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; }
.cnet .rkline path { fill: none; }
.cnet .upar { fill: none; stroke: rgba(255, 255, 255, .65); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transform-box: fill-box; transform-origin: center; animation: upflow 3.4s ease-in-out infinite; }
.cnet .upar.acc { stroke: #8FA3FF; }
@keyframes upflow { 0% { opacity: 0; transform: translateY(8px); } 35% { opacity: 1; } 100% { opacity: 0; transform: translateY(-12px); } }
/* 宣传内容打造首屏：剪辑时间轴（内容片段轨道 + 播放头扫描 + 音轨波形） */
.cnet .tmwave { stroke: rgba(255, 255, 255, .18); stroke-width: 1; fill: none; }
.cnet .tmclip { fill: none; stroke: rgba(255, 255, 255, .26); stroke-width: 1; }
.cnet .tmclip .on { fill: rgba(255, 255, 255, .2); animation: mqlit 5.5s ease-in-out infinite; }
.cnet .tmclip .acc { fill: #8FA3FF; stroke: none; }
.cnet .cl .tmk { stroke: rgba(255, 255, 255, .2); }
.cnet .tmhead { fill: none; stroke: rgba(255, 255, 255, .8); stroke-width: 1.4; stroke-linecap: round; }
.cnet .tmplay { animation: playhead 11s linear infinite; }
@keyframes playhead { 0% { transform: translateX(0); } 100% { transform: translateX(622px); } }
/* 数字技术服务首屏：系统拓扑数据流转（终端汇聚 -> 平台网关 -> 业务模块 -> 数据层） */
.cnet .tp { fill: none; stroke: rgba(255, 255, 255, .13); stroke-width: 1.4; }
.cnet .tpnode { fill: rgba(255, 255, 255, .14); }
.cnet .tpnode.lit { animation: mqlit 5.2s ease-in-out infinite; }
.cnet .tpnode.lit.acc { fill: #8FA3FF; }
.cnet .cpkt { fill: none; stroke: rgba(255, 255, 255, .85); stroke-width: 3.2; stroke-linecap: round; stroke-dasharray: 3 97; animation: cnetflow 5.4s linear infinite; }
.cnet .cpkt.acc { stroke: #8FA3FF; }
@media (prefers-reduced-motion: reduce) {
  .cnet .cp, .cnet .cn, .cnet .cnr, .cnet .cl.dash, .cnet .jplus, .cnet .slot, .cnet .orb, .cnet .oring.dash, .cnet .mq.lit, .cnet .mq.core, .cnet .flane.dash, .cnet .fcard.lit, .cnet .ico.beat, .cnet .rkbox .hot, .cnet .upar, .cnet .tmclip .on, .cnet .tmplay, .cnet .tpnode.lit, .cnet .cpkt { animation: none; }
}

/* p4 平台能力：一屏固定裁切 + 「查看更多」展开全部（无自动滚动） */
.page.plat { height: 100vh; }
.page.plat.open { height: auto; }
.page.plat .wrap { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.page.plat .vscroll { flex: 1; min-height: 0; overflow-y: auto; scrollbar-width: none; -ms-overflow-style: none; }
.page.plat .vscroll::-webkit-scrollbar { display: none; }
.page.plat.open .vscroll { overflow-y: visible; }
.page.plat .more { align-self: center; margin-top: clamp(16px, 2vw, 30px); appearance: none; border: 1px solid var(--brand); background: transparent; color: var(--brand); font-size: 13px; letter-spacing: 3px; padding: 10px 38px; cursor: pointer; transition: .35s var(--ease); }
.page.plat .more:hover { background: var(--brand); color: #fff; }
/* 平台能力卡片「查看详情」移至卡片右上角、品牌主色 */
.page.plat .card { position: relative; }
.page.plat .card .more-line {
  position: absolute;
  top: clamp(20px, 1.8vw, 36px);
  right: clamp(20px, 1.8vw, 36px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--brand);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .25s var(--ease);
}
.page.plat .card .more-line .arr { display: inline-block; transition: transform .3s var(--ease); }
.page.plat .card:hover .more-line .arr { transform: translateX(4px); }
/* 网络形象优化：权威自媒体发声卡片「查看详情」右上角 */
#p3 .card { position: relative; }
#p3 .card .more-line {
  position: absolute;
  top: clamp(20px, 1.8vw, 36px);
  right: clamp(20px, 1.8vw, 36px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--brand);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .25s var(--ease);
}
#p3 .card .more-line .arr { display: inline-block; transition: transform .3s var(--ease); }
#p3 .card:hover .more-line .arr { transform: translateX(4px); }
/* 宣传内容打造：第4屏服务内容卡片「查看详情」右上角、主色蓝 */
#p4 .card { position: relative; }
#p4 .card .more-line {
  position: absolute;
  top: clamp(20px, 1.8vw, 36px);
  right: clamp(20px, 1.8vw, 36px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--brand);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  transition: .25s var(--ease);
}
#p4 .card .more-line .arr { display: inline-block; transition: transform .3s var(--ease); }
#p4 .card:hover .more-line .arr { transform: translateX(4px); }
@media (max-width: 1024px) {
  .page.plat { height: auto; }
  .page.plat .wrap { display: block; }
  .page.plat .vscroll { overflow: visible; -webkit-mask-image: none; mask-image: none; }
  .page.plat .more { display: none; }
}

/* ============== 平台能力卡片：媒体矩阵传播可点击跳转 ============== */
.card.matrix-card { display: block; text-decoration: none; color: inherit; cursor: pointer;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease); }
.card.matrix-card:hover { transform: translateY(-4px); border-color: var(--brand-deep);
  box-shadow: 0 14px 30px rgba(49, 64, 154, .15); }
.card.matrix-card .more-line { display: flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 600; }
.card.matrix-card .arr { display: inline-block; transition: transform .3s var(--ease); }
.card.matrix-card:hover .arr { transform: translateX(4px); }
/* 媒体矩阵传播页：信息图统一图框（与其它页卡片圆角风格一致） */
.fig { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: clamp(14px, 1.8vw, 26px); box-shadow: 0 14px 40px rgba(20, 30, 80, .08); overflow: hidden; }
.fig img { display: block; width: 100%; height: auto; border-radius: 8px; }

/* 媒体矩阵传播页：首屏全流程项目管理服务（深色 Hero 内） */
.mx-flow { margin-top: clamp(20px, 2.6vw, 36px); }
.mx-flow-t { display: flex; align-items: center; font-size: 13px; letter-spacing: 2px;
  color: rgba(255, 255, 255, .72); font-weight: 600; margin-bottom: 16px; }
.mx-flow-t::before { content: ""; width: 22px; height: 2px; background: var(--brand);
  margin-right: 12px; border-radius: 2px; }
.mx-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.mx-steps li { display: flex; align-items: center; gap: 10px; padding: 11px 16px;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px; color: #fff; font-size: 15px; white-space: nowrap;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.mx-steps li .n { flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; color: var(--brand); font-size: 12px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center; }

/* 媒体矩阵传播页：四大痛点设计排版（替代原信息图） */
.pain { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 24px; }
.pain .pi { width: 40px; height: 40px; border-radius: 11px; margin-bottom: 14px;
  background: rgba(255, 166, 0, .14); color: var(--accent); font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center; }
.pain h4 { margin: 0 0 8px; font-size: 17px; color: var(--ink); }
.pain p { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--text-2); }
@media (max-width: 560px) { .mx-steps li { font-size: 14px; padding: 9px 13px; } }


/* ============== 海内外媒体广告投放详情页 (business-image-ad.html) v20261012a ============== */
.section.page.adpg { justify-content: center; }
/* --- p1 深蓝首屏：标题 + 橙色标语 + 平台胶囊墙（图14） --- */
.phero.ad-hero { padding: calc(var(--header-h) + clamp(20px, 3vw, 56px)) 0 clamp(36px, 4.5vw, 80px); }
.ad-hero .ad-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 3.5vw, 72px); align-items: center; max-width: 1560px; margin: 0 auto; }
.ad-hero h2 { font-size: clamp(26px, 2.6vw, 48px); font-weight: 800; letter-spacing: 2px; color: #fff; display: flex; align-items: center; gap: clamp(10px, 1vw, 18px); }
.ad-hero .ad-ring { flex: none; width: clamp(38px, 3.4vw, 64px); height: clamp(38px, 3.4vw, 64px); border-radius: 50%;
  background: radial-gradient(circle at 38% 34%, rgba(163,181,255,.95) 0 18%, rgba(94,116,222,.9) 34% 46%, rgba(255,255,255,.95) 52% 60%, rgba(140,162,250,.75) 72%, rgba(140,162,250,0) 76%);
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .28)); }
.ad-hero .ad-slogan { color: #FFD27C; font-size: clamp(18px, 1.6vw, 30px); font-weight: 700; letter-spacing: 1px; }
.ad-hero .ad-sub { margin-top: clamp(10px, 1.4vw, 24px); color: rgba(255, 255, 255, .85); font-size: clamp(13px, 1.05vw, 19px); letter-spacing: 1px; }
.ad-pills { display: grid; grid-template-columns: repeat(7, 1fr); gap: clamp(12px, 1.5vw, 28px) clamp(12px, 1.6vw, 30px); max-width: 1460px; width: 100%; margin: clamp(32px, 6.5vh, 84px) auto 0; }
.ad-pills img { display: block; width: 100%; height: auto; filter: drop-shadow(0 10px 22px rgba(0, 0, 0, .18)); }
/* --- p2 渠道体系（图112） --- */
.section.page.ad-ch { background: #EEEFF2; }
.ad-ch-inner { max-width: 1280px; width: 100%; margin: 0 auto; }
.ad-ch-rows { display: flex; flex-direction: column; gap: clamp(12px, 1.35vw, 26px); }
.ad-ch-row { position: relative; height: clamp(50px, 5.1vw, 98px); }
.ad-ch-bar { position: absolute; inset: 0; background: #F8F8FA; border-radius: 999px; box-shadow: 0 12px 28px rgba(49, 64, 154, .07);
  display: flex; align-items: center; padding-left: calc(clamp(100px, 10.3vw, 198px) + clamp(18px, 1.9vw, 36px));
  color: #7C828E; font-size: clamp(13px, 1.1vw, 20px); letter-spacing: 1px; }
.ad-ch-label { position: absolute; left: 0; top: 0; bottom: 0; width: clamp(100px, 10.3vw, 198px); background: var(--brand); color: #fff;
  border-radius: 999px; display: flex; align-items: center; justify-content: center;
  font-size: clamp(15px, 1.25vw, 23px); font-weight: 700; letter-spacing: 2px; z-index: 2; }
.ad-ch-tags { display: flex; flex-wrap: wrap; gap: clamp(16px, 3.3vw, 64px); margin-top: clamp(14px, 1.5vw, 28px); }
.ad-ch-tags span { width: clamp(100px, 10.3vw, 198px); background: var(--brand); color: #fff; border-radius: 999px;
  display: flex; align-items: center; justify-content: center; height: clamp(50px, 5.1vw, 98px);
  font-size: clamp(15px, 1.25vw, 23px); font-weight: 700; letter-spacing: 2px; }
.ad-ch-h { margin-top: clamp(28px, 4.6vh, 64px); color: var(--brand); font-size: clamp(20px, 1.9vw, 36px); font-weight: 800; letter-spacing: 1px; }
.ad-ch-note { margin-top: clamp(12px, 2vh, 26px); color: #4A4E58; font-size: clamp(13px, 1.05vw, 19px); letter-spacing: .5px; }
/* --- p3 ResearchGate 人才招募（图115） --- */
.section.page.ad-rg { background: #F6F6F6; }
.ad-rg-flex { display: grid; grid-template-columns: 1002fr 434fr; max-width: 1440px; width: 100%; margin: 0 auto; align-items: stretch; }
.ad-rg-card { position: relative; background: #fff; padding: clamp(70px, 7.3vw, 141px) clamp(24px, 4.6vw, 88px) clamp(36px, 4.5vw, 86px); }
.ad-rg-logo { position: absolute; top: 0; left: 0; width: clamp(132px, 13.1vw, 252px); height: auto; display: block; }
.ad-rg-btns { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 1.2vw, 23px); }
.ad-rg-btns span { background: var(--brand); color: #fff; border-radius: 999px; display: flex; align-items: center; justify-content: center;
  min-height: clamp(50px, 5.1vw, 98px); font-size: clamp(14px, 1.15vw, 21px); font-weight: 700; letter-spacing: 2px; }
.ad-rg-txt { margin-top: clamp(26px, 3.5vw, 68px); color: #7A7E88; font-size: clamp(13px, 1.08vw, 20px); line-height: 2.3; text-align: justify; }
.ad-rg-panel { background: var(--brand); color: #fff; display: flex; align-items: center; justify-content: center; padding: clamp(24px, 3vw, 60px); }
.ad-rg-panel h3 { font-size: clamp(22px, 2.2vw, 42px); font-weight: 700; line-height: 1.6; letter-spacing: 1px; }
@media (max-width: 1024px) {
  .ad-hero .ad-head { grid-template-columns: 1fr; gap: 16px; }
  .ad-pills { grid-template-columns: repeat(4, 1fr); }
  .ad-rg-flex { grid-template-columns: 1fr; }
  .ad-rg-panel { padding: 40px 24px; }
}

/* ============== 深度文案定制 三品牌屏 (business-content-copy.html) v20261015aa ============== */
.section.page.cpz { padding-top: clamp(64px, 7vw, 124px); padding-bottom: clamp(64px, 7vw, 124px); }
.brandcard { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: clamp(26px, 3vw, 54px); display: flex; gap: clamp(30px, 3.6vw, 66px); align-items: center; transition: .4s var(--ease); }
.brandcard:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(49,64,158,.12); border-color: rgba(49,64,158,.30); }
.brandcard.reverse { flex-direction: row-reverse; }
.brandcard-media { flex: 0 0 clamp(180px, 19vw, 312px); display: flex; flex-direction: column; gap: 18px; align-items: center; }
.brandcard-img { width: 100%; height: auto; display: block; border-radius: 12px; }
.brandcard-qr { width: clamp(120px, 11vw, 200px); height: auto; display: block; margin: 0 auto; }
.brandcard-qrblk { margin-top: clamp(20px, 2.2vw, 36px); }
.brandcard-body { flex: 1; min-width: 0; }
.brandcard-name { font-size: clamp(20px, 1.8vw, 32px); font-weight: 700; color: var(--ink); letter-spacing: 1px; margin: 0 0 18px; }
.brandcard-name span { display: block; margin-top: 8px; font-size: clamp(12px, .9vw, 15px); font-weight: 500; letter-spacing: 2px; color: var(--text-3); }
.brandcard-desc { font-size: clamp(14px, 1.15vw, 22px); line-height: 1.95; color: var(--text-2); margin: 0 0 16px; }
.brandcard-points { list-style: none; margin: 0; padding: 0; }
.brandcard-points li { position: relative; padding-left: 18px; color: var(--text-2); font-size: clamp(13px, 1.05vw, 19px); line-height: 2.05; }
.brandcard-points li::before { content: ""; position: absolute; left: 0; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.brandcard-qrs { display: flex; flex-wrap: wrap; gap: clamp(30px, 4vw, 60px); margin-top: clamp(22px, 2.6vw, 42px); }
.qrgrp { display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.qr-label { color: var(--brand); font-weight: 700; letter-spacing: 1px; font-size: clamp(14px, 1.2vw, 22px); margin-bottom: 14px; }
.qr-img { width: clamp(108px, 9.6vw, 156px); height: auto; display: block; }
.qr-img.xhs { width: clamp(114px, 10.2vw, 164px); }
.qr-row { display: flex; align-items: flex-start; gap: clamp(18px, 2vw, 32px); }
.qrgrp ul { list-style: none; margin: 0; padding: 0; color: var(--text-2); font-size: clamp(12px, .95vw, 17px); line-height: 2; text-align: left; }
@media (max-width: 1024px) {
  .brandcard, .brandcard.reverse { flex-direction: column; align-items: stretch; }
  .brandcard-media { flex: 0 0 auto; flex-direction: row; justify-content: center; flex-wrap: wrap; }
}
/* ============== 深度文案定制 首屏下方「核心价值」一整屏 (business-content-copy.html) v20261015ab ============== */
.section.feat-screen { min-height: 88vh; display: flex; align-items: center; }

/* ============== 合作院校 p3 覆盖范围地图（schools.html） v20261012f ============== */
.section.coverage-screen .ph.r43 { background: var(--brand); }
.section.coverage-screen .cov-map { object-fit: contain; padding: clamp(14px, 2vw, 36px); }

/* ============== 合作院校 p3 覆盖范围整屏主色蓝底（schools.html） v20261012g ============== */
.section.coverage-screen { background: var(--brand); }
.section.coverage-screen .sec-head .bar { background: #fff; }
.section.coverage-screen .sec-head h2 { color: #fff; }
.section.coverage-screen .sec-head .en { color: rgba(255, 255, 255, .55); }
.section.coverage-screen .article p { color: rgba(255, 255, 255, .9); }
.section.coverage-screen .link-red { color: #fff; }
.section.coverage-screen .link-red i { background: #fff; }
.section.coverage-screen .nums .v { color: #fff; }
.section.coverage-screen .nums .v sup { color: #8FA3FF; }
.section.coverage-screen .nums .k { color: rgba(255, 255, 255, .6); }
.section.coverage-screen .nums .k i { color: #fff; }
.section.coverage-screen .nums .cell { border-top-color: rgba(255, 255, 255, .18); }

/* 官方账号运营 · p4 平台能力卡片：左上角框内平台 logo 图标 */
.plat .card .ico { overflow: hidden; }
.plat .card .ico img { width: 100%; height: 100%; object-fit: contain; display: block; }
/* 视频号 & 抖音：两 logo 各自独立框，并排（不拆卡） */
.plat .card .ico-wrap { display: flex; gap: 10px; margin-bottom: 18px; }
.plat .card .ico-wrap .ico { margin-bottom: 0; }

/* 微信公众号详情页 · 案例展示：图片组向左无缝滚动 */
.wxcase-marquee { overflow: hidden; padding: 28px 0; }
.wxcase-track { display: flex; width: max-content; animation: wxcaseScroll 38s linear infinite; }
.wxcase-marquee:hover .wxcase-track { animation-play-state: paused; }
.wxcase-set { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); padding-right: clamp(16px, 2vw, 30px); }
.wxcase-set img { height: clamp(190px, 21vw, 300px); width: auto; display: block; position: relative; cursor: zoom-in; transition: transform .4s var(--ease, ease), filter .4s ease, box-shadow .4s ease; }
.wxcase-set img:hover { transform: scale(1.18); z-index: 5; filter: drop-shadow(0 12px 30px rgba(20,30,80,.3)); }
@keyframes wxcaseScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .wxcase-track { animation: none; } }
.cvcase .wxcase-set img { height: clamp(110px, 12vw, 170px); }
.mvcase .wxcase-set img { height: clamp(150px, 16vw, 232px); }
.evcase .wxcase-set img { height: clamp(130px, 14vw, 200px); }
/* === 20261015aj 视频号&抖音页案例图：白底、放大(悬停)时背景为白不出现灰色投影 === */
.vdo-case .wxcase-set img { background: #fff; }
.vdo-case .wxcase-set img:hover { filter: drop-shadow(0 10px 24px rgba(255,255,255,.95)); }
.prod-group { margin-top: clamp(22px, 2.6vw, 40px); }
.prod-group:first-of-type { margin-top: clamp(8px, 1vw, 18px); }
.grp-head { display: flex; align-items: center; gap: 12px; margin-bottom: clamp(14px, 1.5vw, 22px); }
.grp-head .bar { width: 4px; height: 22px; border-radius: 2px; background: var(--brand); margin: 0; }
.grp-head h3 { font-size: clamp(17px, 1.5vw, 22px); font-weight: 800; color: var(--ink, #1a1f3a); margin: 0; line-height: 1; }
.grp-head .gen { font-size: 12px; letter-spacing: .12em; color: var(--muted, #8a90a8); align-self: center; }
.stucase .card { position: relative; z-index: 1; }
.stucase .card:hover { z-index: 30; }
.stucase .card .case-pop { position: absolute; top: 50%; width: min(82%, 540px); opacity: 0; pointer-events: none; transition: opacity .3s ease, transform .3s var(--ease, ease); z-index: 40; background: #fff; border-radius: 14px; padding: 12px; box-shadow: 0 18px 50px rgba(20, 30, 80, .35); }
.stucase .card:nth-child(odd) .case-pop { left: calc(100% + 16px); transform: translateY(-50%) scale(.86); }
.stucase .card:nth-child(even) .case-pop { right: calc(100% + 16px); transform: translateY(-50%) scale(.86); }
.stucase .card:hover .case-pop { opacity: 1; transform: translateY(-50%) scale(1); }
.stucase .card .case-pop img { width: 100%; height: auto; display: block; border-radius: 8px; }
.stucase .case-pop .pop-row { display: flex; gap: 10px; align-items: center; }
.stucase .case-pop .pop-row img { flex: 1 1 0; min-width: 0; }
/* 招生录取辅助管理浮层单独放大（不影响其他页） */
#p2.stucase .card .case-pop { width: min(94%, 720px); padding: 14px; }
/* 优质生源前置培育卡：案例图上下堆叠 + 再放大 */
#p2.stucase .card .case-pop.stack { width: min(96%, 860px); }
#p2.stucase .card .case-pop.stack .pop-row { flex-direction: column; gap: 12px; }
#p2.stucase .card .case-pop.stack .pop-row img { width: 100%; height: auto; flex: none; }


/* ===== 三级页面首屏 · 内容主题装饰线条（动态） ===== */
.biz-hero .wrap { position: relative; z-index: 2; }
.biz-deco {
  position: absolute;
  top: clamp(64px, 11vh, 138px);
  right: clamp(-12px, 1.5vw, 48px);
  width: clamp(210px, 25vw, 360px);
  height: auto;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  animation: bzfade 1.1s ease .15s forwards;
}
/* 放大版首屏装饰 · 旧版动画（当前隐藏，保留便于回退；回退时删除下一行 display:none 即可恢复显示） */
.biz-deco.big {
  display: none;
  top: 50%;
  right: clamp(-60px, -1vw, 26px);
  width: clamp(300px, 40vw, 600px);
  height: auto;
  transform: translateY(-50%);
  opacity: 0;
  animation: bzfade 1.2s ease .15s forwards;
}
.biz-deco.big .motif { animation: bzfloat 9s ease-in-out infinite; }
.biz-deco.big .ln { stroke-width: 2.6; }
.biz-deco.big .ln.o { stroke-width: 3; }
.biz-deco.big .dot { animation: bzpop .5s ease 2.4s both, bzpulse 5s ease-in-out 2.9s infinite; }
/* 全新文案线条构图（v2）：按各页首屏文案重画，当前显示 */
.biz-deco.v2 {
  top: 50%;
  right: clamp(120px, 44vw, 680px);
  width: clamp(360px, 50vw, 680px);
  height: auto;
  transform: translateY(-50%);
  opacity: 0;
  animation: bzfade 1.2s ease .15s forwards;
}
.biz-deco.v2 .motif { animation: bzfloat 9s ease-in-out infinite; }
.biz-deco.v2 .ln { stroke-width: 2.6; }
.biz-deco.v2 .ln.o { stroke-width: 3; }
.biz-deco.v2 .dot { animation: bzpop .5s ease 2.4s both, bzpulse 5s ease-in-out 2.9s infinite; }
/* 指定 6 页首屏动画右移 20px（仅这些页加 .r20 类） */
.biz-deco.v2.r30 { right: clamp(90px, calc(44vw - 30px), 650px); }
/* 今日头条等新闻客户端：动画右缘对齐顶部导航“联系我们”的“们”字（最右位） */
.biz-deco.v2.r-nav { right: max(var(--gut), calc((100vw - 1720px) / 2 + var(--gut))); }
/* 媒体矩阵/权威自媒体/多维影视/综合会务：动画右缘对齐顶部导航“合作院校”的“校”字
   （“校”在“联系我们”左侧，偏移 = 联系我们链接宽 + 合作院校右内边距 ≈ 4*字号 + 链接内边距） */
.biz-deco.v2.r-xiao { right: calc(max(var(--gut), calc((100vw - 1720px) / 2 + var(--gut))) + 4 * clamp(15px, 1.05vw, 19px) + clamp(12px, 1.5vw, 30px)); }
@media (max-width: 920px) {
  .biz-deco.v2 { display: block; width: 74vw; right: -4vw; opacity: .92; }
}
.biz-deco .motif { transform-box: fill-box; transform-origin: center; animation: bzfloat 7s ease-in-out infinite; }
.biz-deco .ln {
  fill: none; stroke: #8FA3FF; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: bzdraw 2.6s cubic-bezier(.65,.02,.27,1) forwards;
}
.biz-deco .ln.w  { stroke: rgba(255,255,255,.5); }
.biz-deco .ln.o  { stroke: #FFA600; stroke-width: 2.4; }
.biz-deco .ln.soft { stroke: rgba(255,255,255,.26); stroke-width: 1.4; }
.biz-deco .ln.s2 { animation-delay: .15s; }
.biz-deco .ln.s3 { animation-delay: .3s; }
.biz-deco .ln.s4 { animation-delay: .45s; }
.biz-deco .dot {
  fill: #8FA3FF; transform-box: fill-box; transform-origin: center;
  animation: bzpop .5s ease 2.4s both, bzpulse 4s ease-in-out 2.9s infinite;
}
.biz-deco .dot.o { fill: #FFA600; }
.biz-deco .dot.d1 { animation-delay: 2.5s, 3s; }
.biz-deco .dot.d2 { animation-delay: 2.6s, 3.1s; }
@keyframes bzdraw { to { stroke-dashoffset: 0; } }
@keyframes bzfade { to { opacity: 1; } }
@keyframes bzfloat { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-9px) rotate(-.6deg); } }
@keyframes bzpop { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes bzpulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }
@media (max-width: 920px) { .biz-deco { display: none; } }

/* 下拉：三级项下的子集（招生综合管理 → 招生录取辅助管理 / 招生宣传管理体系） */
.subnav.mega .mcol .subnest {
  display: flex; flex-direction: column;
  margin: 1px 0 8px 16px; padding: 4px 0;
}
.subnav.mega .mcol .subnest a {
  position: relative; display: block; padding: 5px 0;
  font-size: 16px; font-weight: 400;
  color: var(--text-3); white-space: nowrap; text-decoration: none;
}
.subnav.mega .mcol .subnest a:hover { color: var(--brand); }
.subnav.mega .mcol a.gt.nav-leaf { color: var(--text-3); display: flex; align-items: center; min-width: 184px; }
.subnav.mega .mcol a.gt.nav-leaf::after {
  content: ""; flex: 0 1 0px; height: 1px; background: currentColor; margin-left: 0;
  transition: flex-grow .25s var(--ease), margin-left .25s var(--ease);
}
.subnav.mega .mcol a.gt.nav-leaf:hover { color: var(--brand); }
.subnav.mega .mcol a.gt.nav-leaf:hover::after { flex-grow: 1; margin-left: 10px; }

/* 首页 p4 技术服务面板：各模块「了解详情」品牌蓝 */
.ncard .more { display: inline-flex; align-items: center; gap: 10px; margin-top: 16px; font-size: var(--fs-small); color: var(--brand); letter-spacing: 1px; }
.ncard .more i { width: 22px; height: 1px; background: var(--brand); transition: width .4s var(--ease); display: inline-block; }
.ncard:hover .more i { width: 44px; }

/* === 20261014bc 三级页首屏·全屏内容主题点缀线条（背景层，浅色·缩小减淡） === */
.biz-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.biz-bg .motif { transform-box: fill-box; transform-origin: center; animation: bzbgfloat 18s ease-in-out infinite; }
.biz-bg .ln {
  fill: none; stroke: rgba(143,163,255,.28); stroke-width: 1.2;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: bzdraw 3s cubic-bezier(.65,.02,.27,1) forwards;
}
.biz-bg .ln.w  { stroke: rgba(255,255,255,.15); }
.biz-bg .ln.soft { stroke: rgba(255,255,255,.08); stroke-width: 1; }
.biz-bg .ln.b  { stroke: rgba(143,163,255,.36); }
.biz-bg .ln.s2 { animation-delay: .25s; }
.biz-bg .ln.s3 { animation-delay: .5s; }
.biz-bg .ln.s4 { animation-delay: .75s; }
.biz-bg .ln.s5 { animation-delay: 1s; }
.biz-bg .ln.s6 { animation-delay: 1.25s; }
.biz-bg .dot {
  fill: rgba(143,163,255,.4); transform-box: fill-box; transform-origin: center;
  animation: bzpop .6s ease 2.6s both, bzpulse 5s ease-in-out 3.1s infinite;
}
.biz-bg .dot.w { fill: rgba(255,255,255,.26); }
.biz-bg .dot.o { fill: rgba(255,166,0,.34); }
.biz-bg .dot.d1 { animation-delay: 2.7s, 3.2s; }
.biz-bg .dot.d2 { animation-delay: 2.8s, 3.3s; }
@keyframes bzbgfloat { 0%,100% { transform: translateY(0) rotate(0) scale(.8); } 50% { transform: translateY(-6px) rotate(-.4deg) scale(.8); } }
@media (max-width: 920px) { .biz-bg { opacity: .7; } }
@media (max-width: 640px) { .biz-bg { display: none; } }

/* ============================================================
   关于我们 · 公司活动（学习活动 / 福利活动 Tab 切换 · 图片点击放大）
   ============================================================ */
.act { --act-row: clamp(60px, 11vh, 148px); --act-gap: clamp(6px, .6vw, 10px); }
/* 标题沿用站内 .sec-head.split（与「团队结构」同款：左标题 + 右侧辅助文字），
   下间距也沿用 .sec-head 默认值，不再单独收紧 */

/* ---- Tab 切换 ---- */
.act-tabs { display: flex; justify-content: center; gap: clamp(8px, .8vw, 16px); margin-bottom: clamp(16px, 2vw, 34px); }
.act-tab {
  -webkit-appearance: none; appearance: none; font-family: inherit;
  display: inline-flex; align-items: center;
  padding: clamp(9px, .82vw, 13px) clamp(24px, 2.4vw, 44px);
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  color: var(--text-2); font-size: var(--fs-body); font-weight: 600;
  letter-spacing: 1.6px; line-height: 1; cursor: pointer; transition: .35s var(--ease);
}
.act-tab:hover { color: var(--brand); border-color: rgba(49, 64, 154, .42); }
.act-tab:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.act-tab.on { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 12px 30px rgba(49, 64, 154, .26); }

/* ---- 面板 ---- */
.act-panel { display: none; }
.act-panel.on { display: block; }
.act-panel.on .act-card { animation: actUp .55s var(--ease) both; }
.act-panel.on .act-card:nth-child(2) { animation-delay: .07s; }
.act-panel.on .act-card:nth-child(3) { animation-delay: .14s; }
.act-panel.on .act-card:nth-child(4) { animation-delay: .21s; }
@keyframes actUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---- 分组卡片 ---- */
.act-cards { display: grid; gap: clamp(12px, 1.3vw, 22px); }
.act-cards.c2 { grid-template-columns: 1fr 1.9fr; }
.act-cards.c4 { grid-template-columns: repeat(4, 1fr); }
.act-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: clamp(12px, 1.1vw, 20px);
  padding: clamp(11px, 1.05vw, 17px);
}
.act-tag { display: flex; align-items: center; gap: 9px; margin-bottom: clamp(9px, .85vw, 14px); font-size: clamp(12.5px, .92vw, 16px); font-weight: 700; color: var(--ink); letter-spacing: 1px; white-space: nowrap; }
.act-tag::before { content: ""; flex: none; width: clamp(14px, 1.15vw, 20px); height: 3px; border-radius: 2px; background: var(--accent); }

/* ---- 图片网格 ---- */
.act-imgs { display: grid; gap: var(--act-gap); }
.act-imgs.i2 { grid-template-columns: repeat(4, 1fr); }
.act-imgs.i2 img { grid-column: span 2; }
.act-imgs.i2 img.mid { grid-column: 2 / span 2; }
.act-imgs.i3 { grid-template-columns: repeat(3, 1fr); }
.act-imgs.solo { grid-template-columns: 1fr; }
.act-imgs.q4 { grid-template-columns: repeat(2, 1fr); }
.act-imgs img {
  width: 100%; height: var(--act-row); object-fit: cover; display: block;
  border-radius: clamp(6px, .55vw, 10px); background: var(--bg-gray);
  cursor: zoom-in; transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.act-imgs.solo img { height: calc(var(--act-row) * 2 + var(--act-gap)); }
.act-imgs img:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(21, 24, 48, .2); }
.act-imgs img.q { object-position: center 18%; }

/* ---- 放大查看（复用 .mask 遮罩） ---- */
.act-lb { background: rgba(16, 18, 34, .88); }
.act-lb > img {
  max-width: 92vw; max-height: 86vh; width: auto; height: auto; object-fit: contain;
  border-radius: 6px; box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.act-lb-x {
  position: absolute; top: clamp(14px, 2vw, 34px); right: clamp(14px, 2vw, 34px);
  width: 44px; height: 44px; border-radius: 50%; font-family: inherit;
  border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .12);
  color: #fff; font-size: 26px; line-height: 1; cursor: pointer; transition: .3s var(--ease);
}
.act-lb-x:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---- 窄屏 ---- */
@media (max-width: 1180px) {
  .act-cards.c2 { grid-template-columns: 1fr 1.5fr; }
}
@media (max-width: 1024px) {
  .act-cards.c2 { grid-template-columns: 1fr; }
  .act-cards.c4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .act { --act-row: clamp(56px, 13vh, 108px); }
  .act-cards.c2, .act-cards.c4 { grid-template-columns: 1fr; }
  .act-tag { white-space: normal; }
  .act-tabs { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .act-panel.on .act-card { animation: none; }
}

/* 公司活动屏：矮屏（1366×768 / 1280×800 等）压缩留白与图高，确保整屏不溢出 */
@media (max-height: 900px) {
  .act-tabs { margin-bottom: clamp(10px, 1.5vw, 26px); }
}
@media (max-height: 820px) {
  .act { --act-row: clamp(52px, 10vh, 112px); }
  .act-tab { padding: 8px clamp(20px, 2vw, 34px); }
}
/* 仅桌面端（>640px）压缩该屏上下留白；移动端整站已改为常规滚动，沿用站点自身留白 */
@media (max-height: 820px) and (min-width: 641px) {
  .page.act { padding-top: calc(var(--header-h) + clamp(10px, 1.6vw, 28px)); padding-bottom: clamp(14px, 1.8vw, 32px); }
}