/* =============================================================
   商汤科技招聘官网 - 共享样式
   品牌色值取自《商汤科技品牌形象识别系统手册》
   ============================================================= */
:root{
  /* 标准色 */
  --red:#e72427;          /* 企业主红 Pantone 185C */
  --red-deep:#b60005;     /* 深红 Pantone 7621C */
  --red-pink:#e84660;     /* 辅助 Pantone 198C */
  --slate:#465c75;        /* 辅助蓝灰 */
  --ink:#1a1b22;          /* 近黑文字 */
  /* 浅色系统 */
  --bg:#ffffff;
  --bg-soft:#f7f8fa;
  --bg-soft-2:#f0f2f5;
  --text:#1a1b22;
  --text-2:#5a606e;
  --text-3:#8b909c;
  --line:#e8eaef;
  --line-2:#dfe2e8;
  /* 顶尖人才专项（深色特殊主题） */
  --tt-bg:#070a14;
  --tt-bg2:#0d1326;
  --gold:#ffcf4d;         /* 原力金 */
  --cyan:#36e6e0;         /* 电光青 */
  /* 系统 */
  --radius:16px;
  --radius-lg:24px;
  --maxw:1240px;
  --shadow:0 10px 40px rgba(20,22,40,.08);
  --shadow-hover:0 18px 60px rgba(231,36,39,.16);
  --ease:cubic-bezier(.16,1,.3,1);
  --font:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:inherit;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;transition:all .3s var(--ease)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 8px 24px rgba(231,36,39,.28)}
.btn-primary:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 14px 34px rgba(231,36,39,.4)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--red);color:var(--red);transform:translateY(-2px)}
.btn-lg{padding:17px 38px;font-size:16px}

/* ---------- 导航 ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;
  justify-content:space-between;padding:18px 40px;transition:all .4s var(--ease);
  background:rgba(255,255,255,0);backdrop-filter:blur(0)}
header.nav.scrolled{padding:12px 40px;background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 2px 20px rgba(20,22,40,.04)}
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:32px;width:auto}
.brand .brand-name{font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--ink);transition:color .3s}
.brand .brand-name .en{font-size:12px;letter-spacing:2px;color:var(--text-3);margin-left:6px;font-weight:600}
nav.menu{display:flex;gap:34px;align-items:center}
nav.menu a{font-size:15px;font-weight:500;color:var(--text-2);position:relative;transition:color .25s}
nav.menu a:hover,nav.menu a.active{color:var(--ink)}
nav.menu a.active::after,nav.menu a:hover::after{content:"";position:absolute;left:0;bottom:-7px;
  width:100%;height:2.5px;background:var(--red);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-ext{font-size:14px;color:var(--text-3)}
.menu-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink)}

/* 浮动的"立即投递"按钮（区块页之外常驻） */
.apply-fab{position:fixed;right:28px;bottom:28px;z-index:150;
  box-shadow:0 12px 32px rgba(231,36,39,.42)}
.apply-fab:hover{transform:translateY(-3px) scale(1.03)}

/* ---------- 通用区块标题 ---------- */
.section{padding:104px 0}
.section.soft{background:var(--bg-soft)}
.sec-head{max-width:680px;margin:0 auto 60px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.tag{display:inline-block;color:var(--red);font-weight:700;font-size:13px;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:14px}
.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.5px;line-height:1.2}
.sec-head p{color:var(--text-2);font-size:17px;margin-top:16px}

/* ---------- Hero（全屏大图 / 视频，浅色主题，居中，仿小米布局） ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;position:relative;overflow:hidden;background:linear-gradient(180deg,#fff,var(--bg-soft))}
.hero .hero-media{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.hero .hero-media video{width:100%;height:100%;object-fit:cover}
/* 浅色柔和遮罩：保持主站浅色基调，图片作为质感背景透出 */
.hero::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(255,255,255,.82) 0%,rgba(255,255,255,.6) 38%,rgba(255,255,255,.7) 72%,rgba(255,255,255,.92) 100%)}
.hero .hero-inner{position:relative;z-index:2;color:var(--ink);padding:0 24px;max-width:1040px}
.hero .eyebrow{justify-content:center}
.hero .eyebrow::after{content:"";width:30px;height:2px;background:var(--red)}
.hero h1{color:var(--ink)}
.hero h1 .accent{color:var(--red)}
.hero .lead{color:var(--text-2);margin-left:auto;margin-right:auto}
.hero-actions{justify-content:center}

/* 悬浮智能助手条（仿小米"智能求职助手"，浅色） */
.assistant{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:120;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;
  background:rgba(255,255,255,.6);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.6);border-radius:18px;padding:14px 18px;max-width:min(960px,92vw);
  box-shadow:0 12px 44px rgba(20,22,40,.18)}
.assistant.hidden{display:none}
.assistant-close{position:absolute;top:-11px;right:-11px;width:26px;height:26px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:0 4px 14px rgba(20,22,40,.18);cursor:pointer;
  color:var(--text-2);display:grid;place-items:center;font-size:16px;line-height:1;padding:0;transition:all .2s}
.assistant-close:hover{color:#fff;background:var(--red);border-color:var(--red);transform:scale(1.1)}
.assistant .lead-txt{color:var(--ink);font-weight:700;font-size:15px;white-space:nowrap}
.assistant .lead-txt b{color:var(--red)}
.assistant .a-cards{display:flex;gap:12px;flex-wrap:wrap}
.assistant .a-card{display:flex;align-items:center;gap:10px;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:12px;padding:10px 16px;color:var(--ink);cursor:pointer;
  transition:all .25s}
.assistant .a-card:hover{border-color:var(--red);transform:translateY(-2px)}
.assistant .a-card .ai{width:30px;height:30px;border-radius:8px;background:var(--red);
  display:grid;place-items:center;flex:0 0 30px}
.assistant .a-card b{font-size:13.5px;display:block}
.assistant .a-card span{font-size:11.5px;color:var(--text-3)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;
  color:var(--red);margin-bottom:24px}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--red)}
.hero h1{font-size:clamp(40px,6.2vw,72px);font-weight:900;line-height:1.1;letter-spacing:-1px;color:var(--ink)}
.hero h1 .accent{color:var(--red)}
.hero .lead{font-size:clamp(17px,2vw,21px);color:var(--text-2);margin:28px auto 40px;max-width:600px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
/* Hero 数据亮点标签 */
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:46px}
.hero-stats .chip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 20px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:2px}
.hero-stats .chip b{font-size:22px;color:var(--red);font-weight:800}
.hero-stats .chip span{font-size:13px;color:var(--text-2)}

/* ---------- 数据条 ---------- */
.statbar{background:var(--ink);color:#fff;padding:56px 0}
.statbar .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.statbar .num{font-size:clamp(30px,4vw,46px);font-weight:900;color:#fff}
.statbar .num .red{color:var(--red)}
.statbar .lbl{color:rgba(255,255,255,.7);font-size:14px;margin-top:6px}

/* ---------- 首页：商汤介绍（关键词展示） ---------- */
.intro-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.ist{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  min-height:148px;overflow:hidden;box-shadow:var(--shadow);cursor:default;
  transition:transform .35s,box-shadow .35s,border-color .35s}
.ist:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent}
.ist-front{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  text-align:center;padding:22px 24px;transition:opacity .3s,transform .35s}
.ist-front b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:900;color:var(--red);line-height:1.1}
.ist-front span{display:block;font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.5}
.ist-back{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding:16px 20px;background:linear-gradient(160deg,#e72427,#b5181d);color:#fff;
  opacity:0;transform:translateY(14px);transition:opacity .35s,transform .35s}
.ist-back h5{font-size:14.5px;font-weight:800;margin-bottom:6px}
.ist-back p{font-size:12px;line-height:1.6;color:rgba(255,255,255,.92)}
.ist:hover .ist-front{opacity:0;transform:translateY(-10px)}
.ist:hover .ist-back{opacity:1;transform:none}
.intro-kws{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.kw{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.kw::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--red);
  transform:scaleY(0);transform-origin:top;transition:transform .3s}
.kw:hover{box-shadow:var(--shadow-hover);border-color:transparent}
.kw:hover::before{transform:scaleY(1)}
.kw h4{font-size:16.5px;font-weight:800}
.kw p{font-size:13.5px;color:var(--text-2);margin-top:8px;line-height:1.65}
@media(max-width:980px){.intro-stats{grid-template-columns:repeat(2,1fr)}.intro-kws{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.intro-kws{grid-template-columns:1fr}}

/* ---------- 职位卡片 ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.tab{padding:10px 22px;border-radius:999px;background:#fff;border:1.5px solid var(--line-2);
  cursor:pointer;font-size:14.5px;color:var(--text-2);transition:all .25s;font-family:inherit;font-weight:500}
.tab.active{background:var(--red);color:#fff;border-color:var(--red)}
.search{display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid var(--line-2);
  border-radius:14px;padding:14px 18px;max-width:720px;margin:0 auto 26px;box-shadow:var(--shadow);
  transition:border-color .2s,box-shadow .2s}
.search:focus-within{border-color:var(--red);box-shadow:0 0 0 4px rgba(231,36,39,.1)}
.search input{flex:1;background:none;border:none;outline:none;color:var(--ink);font-size:15px;font-family:inherit}
.filters{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.filters select{appearance:none;-webkit-appearance:none;padding:12px 40px 12px 18px;border-radius:12px;
  border:1.5px solid var(--line-2);font-family:inherit;font-size:14px;color:var(--text-2);cursor:pointer;outline:none;
  transition:border-color .2s,box-shadow .2s,color .2s;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238b909c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center}
.filters select:hover{border-color:var(--red-pink);color:var(--ink)}
.filters select:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(231,36,39,.12)}
.jobs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.job{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:all .3s var(--ease);cursor:pointer;position:relative}
.job:hover{transform:translateY(-5px);border-color:transparent;box-shadow:var(--shadow-hover)}
.job .jtop{display:flex;justify-content:space-between;gap:12px}
.job h4{font-size:18px;font-weight:700;line-height:1.4}
.job .fav{background:none;border:none;cursor:pointer;color:var(--text-3);font-size:20px;line-height:1;transition:color .2s,transform .2s}
.job .fav:hover{transform:scale(1.2)}
.job .fav.on{color:var(--red);animation:favpop .35s var(--ease)}
@keyframes favpop{0%{transform:scale(1)}45%{transform:scale(1.45)}100%{transform:scale(1)}}
.tab:active{transform:scale(.96)}
.btn:active{transform:scale(.97)}
.job .badges{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.job .badge{font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;
  background:rgba(231,36,39,.08);color:var(--red)}
.job .meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--text-2);font-size:13.5px;margin-top:6px}
.job .meta span{display:inline-flex;align-items:center;gap:5px}
.empty{grid-column:1/-1;text-align:center;color:var(--text-3);padding:60px}
.more-link{text-align:center;margin-top:36px}

/* ---------- 关于商汤 ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center}
.about-points{display:grid;gap:18px}
.about-pt{display:flex;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);transition:all .3s var(--ease)}
.about-pt:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.about-pt .ic{width:46px;height:46px;flex:0 0 46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(231,36,39,.08)}
.about-pt h4{font-size:17px;margin-bottom:4px}
.about-pt p{font-size:14.5px;color:var(--text-2)}
.honors{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.honor{padding:10px 18px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--line);
  font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.honor svg{color:var(--red)}

/* ---------- 业务版图 ---------- */
.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene{position:relative;border-radius:var(--radius);overflow:hidden;min-height:330px;
  display:flex;align-items:flex-end;padding:26px;background:var(--bg-soft-2)}
.scene .img{position:absolute;inset:0;background-size:cover;background-position:center;
  transition:transform .8s var(--ease)}
.scene:hover .img{transform:scale(1.08)}
.scene::after{content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(15,16,26,.9) 0%,rgba(15,16,26,.3) 55%,transparent 100%)}
.scene .txt{position:relative;z-index:2;color:#fff}
.scene .txt .pill{font-size:12px;font-weight:700;color:#fff;letter-spacing:1px;
  background:var(--red);padding:3px 10px;border-radius:6px;display:inline-block}
.scene .txt h3{font-size:20px;margin:8px 0 6px}
.scene .txt p{font-size:14px;color:rgba(255,255,255,.82)}

/* ---------- 招聘项目：选择进入方式（三大卡片） ---------- */
.pick{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pick-card{border-radius:22px;padding:34px 30px;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);transition:all .4s var(--ease)}
.pick-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.pick-card .no{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:13px;letter-spacing:2px;
  color:var(--text-3);margin-bottom:20px;display:flex;justify-content:space-between;align-items:center;min-height:24px}
.pick-card h3{font-size:26px;font-weight:900;line-height:1.2}
.pick-card .en{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:12px;letter-spacing:2px;
  color:var(--text-3);margin:6px 0 20px}
.pick-card .desc{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:22px}
.pick-card ul{list-style:none;display:flex;flex-direction:column;gap:11px;margin-bottom:28px}
.pick-card li{font-size:14px;color:var(--text);padding-left:20px;position:relative}
.pick-card li::before{content:"—";position:absolute;left:0;color:var(--red)}
.pick-card .pbtn{margin-top:auto;align-self:stretch;justify-content:center}
.flag{background:var(--gold);color:#241a00;font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px}
/* 旗舰：深色特色卡 */
.pick-card.feat{background:linear-gradient(160deg,#11141d,#070a14);border-color:transparent;color:#fff;
  position:relative;overflow:hidden}
.pick-card.feat::after{content:"";position:absolute;top:-40%;right:-30%;width:80%;height:80%;
  background:radial-gradient(circle,rgba(54,230,224,.16),transparent 70%);pointer-events:none}
.pick-card.feat h3{color:#fff}
.pick-card.feat .no{color:rgba(255,255,255,.6)}
.pick-card.feat .en{color:var(--cyan)}
.pick-card.feat .desc{color:rgba(255,255,255,.72)}
.pick-card.feat li{color:rgba(255,255,255,.86)}
.pick-card.feat li::before{color:var(--gold)}

/* ---------- 成长与发展（双通道） ---------- */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.channel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px;
  position:relative;overflow:hidden}
.channel::before{content:"";position:absolute;top:0;left:0;right:0;height:5px}
.channel.pro::before{background:var(--red)}
.channel.mgr::before{background:var(--slate)}
.channel h3{font-size:23px;margin-bottom:8px}
.channel .sub{color:var(--text-3);font-size:14px;margin-bottom:22px}
.ladder{display:flex;flex-direction:column;gap:10px}
.rung{padding:12px 18px;border-radius:12px;background:var(--bg-soft);font-size:14.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center}
.rung .lv{color:var(--red);font-weight:800}
.channel.mgr .rung .lv{color:var(--slate)}
.programs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.program{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;
  transition:all .3s var(--ease)}
.program:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.program .ic{width:54px;height:54px;border-radius:14px;margin:0 auto 16px;display:grid;place-items:center;
  background:rgba(231,36,39,.08)}
.program h4{font-size:17px;margin-bottom:6px}
.program p{font-size:14px;color:var(--text-2)}

/* ---------- 文化价值观 + 福利 ---------- */
.values{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:60px}
.value{text-align:center;padding:30px 16px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  transition:all .35s var(--ease)}
.value:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.value .ch{font-size:40px;font-weight:900;color:var(--red);line-height:1}
.value .name{font-size:15px;font-weight:700;margin-top:12px}
.value .desc{font-size:13.5px;color:var(--text-2);margin-top:14px;font-weight:600}
/* 价值观卡片：悬停翻红交互 */
.value{position:relative;overflow:hidden;transition:transform .35s,box-shadow .35s}
.value::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,#e72427,#b5181d);opacity:0;transition:opacity .35s}
.value>*{position:relative;z-index:1}
.value .ch{transition:transform .35s,color .35s}
.value:hover::before{opacity:1}
.value:hover .ch{color:#fff;transform:scale(1.18)}
.value:hover .name{color:#fff}
.value:hover .desc{color:rgba(255,255,255,.88)}
/* 福利：图文 bento 网格 */
.cb-bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:175px;gap:18px}
.cb-card{position:relative;border-radius:var(--radius);overflow:hidden;background-size:cover;background-position:center;
  box-shadow:var(--shadow)}
.cb-feat{grid-column:span 2;grid-row:span 2}
.cb-card .ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,24,.05) 32%,rgba(12,14,24,.82) 100%)}
.cb-card .txt{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;color:#fff;z-index:1}
.cb-card h4{font-size:17px;font-weight:800}
.cb-card .txt p{font-size:13px;color:rgba(255,255,255,.88);margin-top:6px;line-height:1.5}
.cb-feat .txt{padding:26px 28px}
.cb-feat h3{font-size:25px;font-weight:900;line-height:1.25}
.cb-feat .txt p{font-size:14.5px;margin-top:10px;max-width:420px}
.cb-pill{display:inline-block;font-size:11px;letter-spacing:2.5px;font-weight:700;color:#fff;
  background:var(--red);padding:5px 12px;border-radius:999px;margin-bottom:12px}
@media(max-width:980px){.cb-bento{grid-template-columns:repeat(2,1fr)}.cb-feat{grid-column:span 2}}
@media(max-width:560px){.cb-bento{grid-template-columns:1fr;grid-auto-rows:190px}
  .cb-feat{grid-column:span 1;grid-row:span 1;min-height:240px}}
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:all .3s var(--ease)}
.benefit:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.benefit .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:rgba(231,36,39,.08);margin-bottom:16px}
.benefit h4{font-size:16px;margin-bottom:6px}
.benefit p{font-size:13.5px;color:var(--text-2)}

/* ---------- 工作环境 ---------- */
.env{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:1fr 1fr;gap:16px;margin-top:40px}
.env .ph{border-radius:var(--radius);background-size:cover;background-position:center;min-height:200px;
  background-color:var(--bg-soft-2);position:relative;overflow:hidden}
.env .ph.big{grid-row:1/3}
.env .ph .cap{position:absolute;left:20px;bottom:18px;color:#fff;font-weight:700;font-size:18px;
  text-shadow:0 2px 12px rgba(0,0,0,.5)}

/* ---------- 工作城市（实景图，参考字节"工作城市"） ---------- */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.city-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:260px;
  display:flex;align-items:flex-end;padding:22px;background:var(--bg-soft-2)}
.city-card .img{position:absolute;inset:0;background-size:cover;background-position:center;
  transition:transform .8s var(--ease)}
.city-card:hover .img{transform:scale(1.08)}
.city-card::after{content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(15,16,26,.82),transparent 60%)}
.city-card .name{position:relative;z-index:2;color:#fff;font-size:20px;font-weight:800}

/* ---------- 员工故事 ---------- */
.stories{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.story{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;
  transition:all .4s var(--ease)}
.story:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.story .quote{font-size:15.5px;line-height:1.85;margin-bottom:24px;color:var(--text)}
.story .quote::before{content:"“";color:var(--red);font-size:40px;font-weight:900;line-height:0;
  vertical-align:-14px;margin-right:4px}
.story .who{display:flex;align-items:center;gap:14px}
.story .av{width:50px;height:50px;border-radius:50%;flex:0 0 50px;display:grid;place-items:center;
  font-weight:800;color:#fff;background:linear-gradient(135deg,var(--red),var(--red-pink))}
.story .who b{display:block;font-size:15px}
.story .who small{color:var(--text-3);font-size:13px}

/* ---------- CTA band ---------- */
.cta-band{padding:110px 0;text-align:center;background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(30px,5vw,52px);font-weight:900;margin-bottom:16px}
.cta-band p{font-size:18px;opacity:.92;margin-bottom:34px}
.cta-band .btn-primary{background:#fff;color:var(--red)}
.cta-band .btn-primary:hover{background:#fff;color:var(--red-deep);transform:translateY(-2px)}

/* ---------- 使命/愿景/价值观（仿小米：左大标题 + 右大图） ---------- */
.mvv-tabs{display:flex;gap:32px;margin-bottom:36px;border-bottom:1px solid var(--line)}
.mvv-tab{padding:0 2px 16px;font-size:17px;font-weight:700;color:var(--text-3);cursor:pointer;
  background:none;border:none;font-family:inherit;position:relative}
.mvv-tab.active{color:var(--ink)}
.mvv-tab.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:var(--red);border-radius:2px}
.mvv{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center}
.mvv-text .big-title{font-size:clamp(48px,7vw,88px);font-weight:900;color:var(--red);line-height:1;
  letter-spacing:2px;margin-bottom:20px}
.mvv-text h3{font-size:clamp(20px,2.4vw,26px);font-weight:800;margin-bottom:18px;color:var(--ink)}
.mvv-text p{font-size:15.5px;color:var(--text-2);line-height:1.9;margin-bottom:14px}
.mvv-img{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft-2);
  background-size:cover;background-position:center;box-shadow:var(--shadow)}
.mvv-values{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.mvv-values .v{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;
  font-size:28px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--red),var(--red-deep))}

/* ---------- 「商汤在等你」六宫格（仿小米"小米在等你"） ---------- */
.mi-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:all .4s var(--ease)}
.mi-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.mi-card .ph{aspect-ratio:16/10;background-size:cover;background-position:center;background-color:var(--bg-soft-2)}
.mi-card .bd{padding:26px 28px 30px}
.mi-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.mi-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- JOIN US 大楼带（仿小米结尾） ---------- */
.joinus{min-height:74vh;display:flex;align-items:center;justify-content:center;position:relative;
  overflow:hidden;background:#0a0b10;text-align:center}
.joinus .bgimg{position:absolute;inset:0;background-size:cover;background-position:center}
.joinus::after{content:"";position:absolute;inset:0;background:rgba(8,9,14,.32)}
.joinus .jin{position:relative;z-index:2;color:#fff}
.joinus .ghost{font-size:clamp(60px,13vw,180px);font-weight:900;letter-spacing:6px;
  color:rgba(255,255,255,.92);line-height:1;text-shadow:0 8px 40px rgba(0,0,0,.4)}
.joinus .sub{font-size:18px;color:rgba(255,255,255,.9);margin:20px 0 30px}
.joinus .btn-primary{background:#fff;color:var(--red)}
.joinus .btn-primary:hover{background:#fff;color:var(--red-deep)}

/* ---------- 页脚（深色，仿小米） ---------- */
footer{background:#0e0f15;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 30px;color:rgba(255,255,255,.6)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:40px}
.foot-col h5{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.foot-col a,.foot-col p{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:#ff5b54}
.foot-brand img{height:38px;margin-bottom:16px}
.social{display:flex;gap:12px;margin-top:6px}
.social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;color:rgba(255,255,255,.7)}
.social a:hover{color:#ff5b54;border-color:#ff5b54}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.45)}
.foot-bottom a{color:rgba(255,255,255,.45)}.foot-bottom a:hover{color:#ff5b54}
.disclaimer{margin-top:20px;padding:14px 18px;border:1px dashed rgba(231,36,39,.4);border-radius:12px;
  font-size:12.5px;color:#a8595b;background:rgba(231,36,39,.03)}

/* ============================================================
   商汤招聘 Agent（右侧滑入面板）
   ============================================================ */
.agent-overlay{position:fixed;inset:0;background:rgba(10,11,16,.45);z-index:400;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.agent-overlay.open{opacity:1;visibility:visible}
.agent{position:fixed;top:0;right:0;height:100%;width:430px;max-width:94vw;background:#fff;z-index:410;
  transform:translateX(105%);transition:transform .45s var(--ease);display:flex;flex-direction:column;
  box-shadow:-12px 0 60px rgba(0,0,0,.25)}
.agent.open{transform:none}
.agent-head{padding:26px 24px 22px;position:relative;
  background:radial-gradient(120% 120% at 90% 0%,rgba(231,36,39,.1),#fff 60%);border-bottom:1px solid var(--line)}
.agent-head .av{position:absolute;top:18px;right:22px;width:54px;height:54px;border-radius:50%;
  background:linear-gradient(135deg,var(--red),var(--red-deep));display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(231,36,39,.35)}
.agent-head .av img{width:34px;height:auto;filter:brightness(0) invert(1)}
.agent-head h3{font-size:19px;font-weight:800;color:var(--ink)}
.agent-head h3 b{color:var(--red)}
.agent-head .sub{font-size:12.5px;color:var(--text-3);margin-top:8px;line-height:1.6;max-width:280px}
.agent-close{position:absolute;top:74px;right:24px;width:26px;height:26px;border:none;background:none;
  cursor:pointer;color:var(--text-3);font-size:22px;line-height:1}
.agent-close:hover{color:var(--ink)}
.agent-body{flex:1;overflow-y:auto;padding:20px;background:var(--bg-soft);display:flex;flex-direction:column;gap:14px}
.agent-time{align-self:center;font-size:11px;color:var(--text-3)}
.msg{max-width:88%;font-size:14px;line-height:1.7;animation:msgIn .3s var(--ease)}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:4px 16px 16px 16px;padding:14px 16px;color:var(--text)}
.msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;
  border-radius:16px 16px 4px 16px;padding:12px 16px}
.msg.bot a{color:var(--red);font-weight:600}
.msg .welcome-title{font-weight:700;margin-bottom:12px;color:var(--ink)}
.agent-actions{display:flex;flex-direction:column;gap:10px}
.agent-act{display:flex;align-items:center;gap:12px;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:12px;padding:12px 14px;cursor:pointer;transition:all .22s var(--ease);font-family:inherit;
  font-size:14px;color:var(--ink);text-align:left;width:100%}
.agent-act:hover{border-color:var(--red);background:#fff;transform:translateX(3px)}
.agent-act .ico{font-size:18px}
.agent-act .arrow{margin-left:auto;color:var(--text-3)}
.agent-foot{padding:14px 16px 18px;border-top:1px solid var(--line);background:#fff}
.agent-chips{display:flex;gap:10px;margin-bottom:12px}
.agent-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;
  background:var(--bg-soft);border:1px solid var(--line);font-size:13px;cursor:pointer;color:var(--text-2);
  font-family:inherit;transition:all .2s}
.agent-chip:hover{border-color:var(--red);color:var(--red)}
.agent-inputbar{display:flex;gap:10px;align-items:flex-end;border:1.5px solid var(--line-2);
  border-radius:16px;padding:10px 12px;transition:border-color .2s}
.agent-inputbar:focus-within{border-color:var(--red)}
.agent-inputbar textarea{flex:1;border:none;outline:none;resize:none;font-family:inherit;font-size:14px;
  line-height:1.5;max-height:90px;background:none;color:var(--ink)}
.agent-send{flex:0 0 38px;width:38px;height:38px;border:none;border-radius:50%;cursor:pointer;
  background:var(--red);color:#fff;display:grid;place-items:center;transition:background .2s}
.agent-send:hover{background:var(--red-deep)}
/* agent - 登录表单 / 投递进展 / 简历推荐 */
.agent-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:6px}
.agent-form{display:flex;flex-direction:column;gap:10px}
.agent-form label{font-size:12px;color:var(--text-3);font-weight:600}
.agent-form input{border:1.5px solid var(--line-2);border-radius:10px;padding:11px 13px;font-size:14px;
  font-family:inherit;outline:none;transition:border-color .2s}
.agent-form input:focus{border-color:var(--red)}
.code-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:stretch}
.code-row .btn{white-space:nowrap;padding:11px 16px;font-size:13.5px}
.agent-form .btn{justify-content:center;width:100%;padding:12px}
.agent-note{font-size:11.5px;color:var(--text-3);margin-top:2px}
.agent-link{color:var(--red);font-weight:600;cursor:pointer;font-size:13px}
.live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);margin-bottom:10px}
.live .pulse{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:livep 1.4s infinite}
@keyframes livep{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.prog{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.prog:first-of-type{border-top:none;padding-top:0;margin-top:0}
.prog .pj{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.prog .pj b{font-size:14.5px;color:var(--ink)}
.prog .pj .st{font-size:12px;font-weight:700;color:var(--red);white-space:nowrap}
.prog .pm{font-size:11.5px;color:var(--text-3);margin:3px 0 12px}
.steps-mini{display:flex;position:relative}
.steps-mini::before{content:"";position:absolute;top:6px;left:12.5%;right:12.5%;height:2px;background:var(--line-2)}
.steps-mini .s{flex:1;text-align:center;font-size:10.5px;color:var(--text-3);position:relative;z-index:1}
.steps-mini .s .dot{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--line-2);margin:0 auto 6px}
.steps-mini .s.done .dot{background:var(--red);border-color:var(--red)}
.steps-mini .s.cur .dot{background:#fff;border-color:var(--red);box-shadow:0 0 0 4px rgba(231,36,39,.16)}
.steps-mini .s.done,.steps-mini .s.cur{color:var(--ink);font-weight:600}
.rec{border:1px solid var(--line);border-radius:12px;padding:13px 14px;margin-top:10px;transition:all .25s var(--ease)}
.rec:hover{border-color:var(--red);box-shadow:0 8px 24px rgba(231,36,39,.1)}
.rec .rt{display:flex;justify-content:space-between;align-items:center;gap:8px}
.rec .rt b{font-size:14.5px}
.rec .score{font-size:11.5px;font-weight:800;color:var(--red);background:rgba(231,36,39,.1);padding:3px 9px;border-radius:8px;white-space:nowrap}
.rec .rm{font-size:12px;color:var(--text-3);margin:6px 0 10px}
.rec .apply-mini{font-size:12.5px;font-weight:600;color:#fff;background:var(--red);border:none;border-radius:8px;
  padding:7px 14px;cursor:pointer;font-family:inherit;transition:background .2s}
.rec .apply-mini:hover{background:var(--red-deep)}
.rec .apply-mini.done{background:#22c55e;cursor:default}
.file-btn{display:flex;align-items:center;gap:10px;border:1.5px dashed var(--line-2);border-radius:12px;
  padding:16px;cursor:pointer;font-size:14px;color:var(--text-2);justify-content:center;transition:all .2s;margin-top:6px}
.file-btn:hover{border-color:var(--red);color:var(--red);background:rgba(231,36,39,.03)}

@media(max-width:680px){.agent{width:100%;max-width:100%}}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ============================================================
   顶尖人才专项 - 深色特殊主题
   ============================================================ */
body.tt{background:var(--tt-bg);color:#eef1f7}
.tt header.nav.scrolled{background:rgba(7,10,20,.82);border-bottom-color:rgba(255,255,255,.08)}
.tt .brand-name{color:#fff}
.tt nav.menu a{color:rgba(255,255,255,.7)}
.tt nav.menu a:hover,.tt nav.menu a.active{color:#fff}
.tt-hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 70% 10%,var(--tt-bg2),var(--tt-bg) 60%)}
.tt-hero .hero-media{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.tt-hero .hero-media video{width:100%;height:100%;object-fit:cover}
.tt-hero::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(7,10,20,.92) 0%,rgba(7,10,20,.7) 42%,rgba(7,10,20,.25) 72%,transparent 100%)}
.tt-hero .inner{position:relative;z-index:3;padding-top:40px;transform:translateY(-28px)}
.tt-eyebrow{color:var(--cyan);font-weight:700;letter-spacing:3px;font-size:14px;margin-bottom:22px;
  display:inline-block}
.tt-hero h1{font-size:clamp(40px,6.5vw,78px);font-weight:900;line-height:1.08;
  background:linear-gradient(120deg,#fff 30%,var(--gold) 70%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tt-hero .en{font-size:clamp(16px,2vw,22px);color:var(--cyan);letter-spacing:2px;margin-top:14px;font-weight:600}
.tt-hero .lead{font-size:clamp(16px,1.9vw,20px);color:rgba(255,255,255,.78);margin:26px 0 14px;max-width:560px}
.signature{display:flex;align-items:flex-end;gap:14px;margin:14px 0 38px}
.signature .sig-label{font-family:var(--font);font-weight:600;font-size:14px;letter-spacing:3px;
  color:rgba(255,255,255,.55);padding-bottom:10px}
.signature .sig-name{font-family:"Long Cang","Zhi Mang Xing","Xingkai SC","STXingkai","Kaiti SC",cursive;
  font-size:clamp(50px,6.5vw,66px);font-weight:400;line-height:1;color:var(--gold);
  transform:rotate(-5deg) skewX(-6deg);letter-spacing:-2px;padding:0 6px}
.btn-force{background:linear-gradient(120deg,var(--gold),#ff9d2f);color:#241a00;
  box-shadow:0 10px 30px rgba(255,207,77,.35);font-weight:700}
.btn-force:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,207,77,.5)}
.tt-hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px}
.tt-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.34)}
.tt-ghost:hover{background:rgba(255,255,255,.16);border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
.tt-section{padding:104px 0}
.tt-manifesto{max-width:820px;margin:0 auto;text-align:center}
.tt-manifesto h2{font-size:clamp(26px,4vw,40px);font-weight:800;margin-bottom:30px;color:#fff}
.tt-manifesto .line{font-size:18px;line-height:2;color:rgba(255,255,255,.82);margin-bottom:14px}
.tt-manifesto .hl{color:var(--gold);font-weight:700}
.tt-manifesto .hl.cyan{color:var(--cyan)}
.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:60px}
.module{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  padding:26px;transition:all .35s var(--ease)}
.module:hover{border-color:var(--cyan);transform:translateY(-5px);
  box-shadow:0 16px 40px rgba(54,230,224,.12)}
.module .mi{font-size:24px;color:var(--cyan);margin-bottom:12px}
.module h4{font-size:17px;color:#fff;margin-bottom:6px}
.module p{font-size:14px;color:rgba(255,255,255,.66)}
.tt footer{background:var(--tt-bg2);border-top-color:rgba(255,255,255,.08);color:rgba(255,255,255,.6)}
.tt .foot-col h5{color:#fff}.tt .foot-col a,.tt .foot-col p{color:rgba(255,255,255,.6)}
.tt .social a{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.7)}
.tt .foot-bottom{border-top-color:rgba(255,255,255,.08)}

/* ---- 顶尖人才独立站：通用区块标题 ---- */
.tt-sec-head{max-width:780px;margin:0 auto 54px;text-align:center}
.tt-sec-head .tag{color:var(--cyan);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase}
.tt-sec-head h2{font-size:clamp(28px,4.4vw,46px);font-weight:800;color:#fff;margin:14px 0;
  background:linear-gradient(120deg,#fff 40%,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tt-sec-head p{color:rgba(255,255,255,.72);font-size:16.5px;line-height:1.8}

/* 招揽这样的你 */
.tt-criteria{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tt-crit{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;
  padding:28px;transition:all .35s var(--ease)}
.tt-crit:hover{border-color:var(--cyan);transform:translateY(-5px);box-shadow:0 16px 40px rgba(54,230,224,.12)}
.tt-crit .no{font-size:22px;font-weight:900;color:var(--gold)}
.tt-crit h4{font-size:18px;color:#fff;margin:10px 0 8px}
.tt-crit p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}

/* 研究方向与课题 */
.tt-research{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tt-dir{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;
  padding:24px 22px;transition:all .35s var(--ease)}
.tt-dir:hover{border-color:var(--gold);transform:translateY(-4px)}
.tt-dir .no{font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:2px}
.tt-dir h4{font-size:19px;color:#fff;margin:8px 0 6px}
.tt-dir .one{font-size:14px;color:var(--gold);margin-bottom:14px}
.tt-dir .fit{display:none}        /* 按图片精简，隐藏“适合方向” */
.tt-dir .lbl{font-size:12.5px;color:rgba(255,255,255,.5);margin:14px 0 8px;font-weight:700;letter-spacing:1px}
.tt-dir ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.tt-dir li{font-size:13.5px;color:rgba(255,255,255,.72);padding-left:16px;position:relative;line-height:1.6}
.tt-dir li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.tt-dir .fit{font-size:13px;color:rgba(255,255,255,.6);margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.08)}
.tt-dir .fit b{color:rgba(255,255,255,.85)}

/* 导师天团 */
.tt-mentor{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:780px;margin:0 auto}
.tt-mentor .m{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;
  padding:32px;text-align:center}
.tt-mentor .m .ic{font-size:30px;margin-bottom:12px}
.tt-mentor .m h4{color:#fff;font-size:18px;margin-bottom:6px}
.tt-mentor .m p{color:rgba(255,255,255,.66);font-size:14px}
/* 导师天团（沿用本页深色卡片风格，居中） */
.mentor-chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.mentor-chip{padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.82)}
.mentors{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mentor{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;
  padding:30px 24px;text-align:center;transition:all .35s var(--ease)}
.mentor:hover{border-color:var(--cyan);transform:translateY(-5px);box-shadow:0 16px 40px rgba(54,230,224,.12)}
.mentor .ava{width:64px;height:64px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;
  font-size:22px;font-weight:800;color:#06121a;background:linear-gradient(135deg,var(--gold),var(--cyan))}
.mentor h4{font-size:20px;color:#fff;margin-bottom:10px}
.mentor .org{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7}
.mentor .role{font-size:14px;color:var(--cyan);margin-top:4px}

/* 我们可以为你提供 */
.tt-offer{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.tt-off{flex:1 1 300px;max-width:380px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:26px}
.tt-off .no{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:1px}
.tt-off h4{color:#fff;font-size:17px;margin:10px 0 8px}
.tt-off p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8}

/* 案例 */
.tt-cases{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tt-case{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;
  padding:28px 26px;transition:all .35s var(--ease)}
.tt-case:hover{border-color:var(--cyan);transform:translateY(-4px);box-shadow:0 16px 40px rgba(54,230,224,.1)}
.tt-case .who{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.tt-case .av{width:46px;height:46px;border-radius:50%;flex:0 0 46px;
  background:linear-gradient(135deg,var(--gold),var(--cyan));display:grid;place-items:center;color:#06121a;font-weight:800}
.tt-case .who b{color:#fff;display:block;font-size:16px}
.tt-case .who small{color:var(--cyan);font-size:12.5px}
.tt-case .desc{color:rgba(255,255,255,.74);font-size:14px;line-height:1.85;margin-bottom:16px}
.tt-case ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.tt-case li{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7;padding-left:16px;position:relative}
.tt-case li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.tt-case li b{color:#fff;font-weight:600}

/* CTA */
.tt-cta{padding:104px 0;text-align:center;background:linear-gradient(135deg,#0d1326,#070a14)}
.tt-cta h2{color:#fff;font-size:clamp(28px,4.4vw,46px);font-weight:900;margin-bottom:14px}
.tt-cta p{color:rgba(255,255,255,.7);font-size:17px;margin-bottom:30px}

/* 答疑专区 Q&A（手风琴） */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:14px;
  overflow:hidden;transition:border-color .3s}
.faq-item.open{border-color:var(--cyan)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:20px 22px;
  cursor:pointer;color:#fff;font-size:16px;font-weight:600;line-height:1.5}
.faq-q .qi{color:var(--cyan);font-weight:800;margin-right:8px}
.faq-q .ico{flex:0 0 auto;color:var(--cyan);font-size:24px;line-height:1;transition:transform .3s var(--ease)}
.faq-item.open .faq-q .ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a div{padding:0 22px 22px;color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.9}
.faq-item.open .faq-a{max-height:360px}

@media(max-width:1100px){
  .tt-criteria,.tt-offer,.tt-cases,.tt-research,.mentors{grid-template-columns:repeat(2,1fr)}
  .tt-mentor{grid-template-columns:1fr}
  .mentor-chips{justify-content:flex-start}
}
@media(max-width:680px){
  .tt-criteria,.tt-offer,.tt-cases,.tt-research,.mentors{grid-template-columns:1fr}
}

/* ---------- 响应式 ---------- */
@media(max-width:1000px){
  .jobs,.scenes,.benefits,.programs,.modules,.mi-cards,.city-grid{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(3,1fr)}
  .about-grid,.dual,.env,.mvv,.pick{grid-template-columns:1fr}
  .env{grid-template-rows:auto}.env .ph.big{grid-row:auto}
  .assistant .lead-txt{display:none}
}
@media(max-width:680px){
  nav.menu{display:none}.menu-toggle{display:block}
  header.nav{padding:14px 20px}
  .stories,.jobs,.scenes,.benefits,.programs,.modules,.mi-cards,.city-grid{grid-template-columns:1fr}
  .statbar .grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .joinus .ghost{font-size:64px}
  .values{grid-template-columns:repeat(2,1fr)}
  .section{padding:70px 0}
  .apply-fab{right:16px;bottom:16px}
}

/* ============================================================
   TT 2.0 · 顶尖人才页科技感升级（不改配色与文案，只改排版与交互）
   ============================================================ */
/* 顶部滚动进度条 */
#ttProgress{position:fixed;top:0;left:0;height:3px;width:0;z-index:300;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
  box-shadow:0 0 14px rgba(54,230,224,.55)}
/* 板块网格底纹（HUD 感） */
body.tt .tt-section{position:relative}
body.tt .tt-section>.wrap{position:relative;z-index:1}
body.tt .tt-section::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(54,230,224,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(54,230,224,.04) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(85% 75% at 50% 28%,#000 25%,transparent 95%);
  mask-image:radial-gradient(85% 75% at 50% 28%,#000 25%,transparent 95%)}
/* 标题下渐变能量线 */
.tt-sec-head h2::after{content:"";display:block;width:64px;height:3px;margin:18px auto 0;
  border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--cyan));
  box-shadow:0 0 12px rgba(255,207,77,.35)}
/* 项目介绍：逐行点亮 */
body.tt .tt-manifesto.will-lit .line{opacity:0;transform:translateY(14px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
body.tt .tt-manifesto.lit .line{opacity:1;transform:none}
body.tt .tt-manifesto.lit .line:nth-child(2){transition-delay:.1s}
body.tt .tt-manifesto.lit .line:nth-child(3){transition-delay:.2s}
body.tt .tt-manifesto.lit .line:nth-child(4){transition-delay:.3s}
body.tt .tt-manifesto.lit .line:nth-child(5){transition-delay:.4s}
body.tt .tt-manifesto.lit .line:nth-child(6){transition-delay:.5s}
body.tt .tt-manifesto.lit .line:nth-child(7){transition-delay:.6s}
.module .mi{transition:transform .35s var(--ease),color .35s}
.module:hover .mi{transform:rotate(45deg) scale(1.25);color:var(--gold)}
/* 招揽你：HUD 角标 + 幽灵编号 */
.tt-crit{position:relative;overflow:hidden}
.tt-crit .no{position:absolute;top:10px;right:14px;font-size:56px;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(255,207,77,.45);opacity:.8;pointer-events:none}
.tt-crit h4{margin-top:2px}
.tt-crit i.hud{display:contents}
.tt-crit::before,.tt-crit::after{content:"";position:absolute;width:16px;height:16px;
  border:2px solid rgba(54,230,224,0);transition:border-color .35s;pointer-events:none}
.tt-crit::before{top:10px;left:10px;border-right:none;border-bottom:none}
.tt-crit::after{bottom:10px;right:10px;border-left:none;border-top:none}
.tt-crit:hover::before,.tt-crit:hover::after{border-color:rgba(54,230,224,.65)}
/* 研究方向：左侧导航 + 右侧详情联动浏览器 */
.tt-explorer{display:grid !important;grid-template-columns:360px 1fr !important;gap:26px;align-items:stretch}
.tt-exp-nav{display:flex;flex-direction:column;gap:8px}
.tt-exp-item{display:grid;grid-template-columns:40px 1fr 16px;align-items:center;gap:10px;text-align:left;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:13px;
  padding:13px 16px;cursor:pointer;font-family:inherit;transition:all .3s var(--ease)}
.tt-exp-item .n{font-size:12.5px;font-weight:900;color:var(--cyan);letter-spacing:1.5px}
.tt-exp-item .t{font-size:15px;font-weight:700;color:rgba(255,255,255,.85)}
.tt-exp-item .ar{color:rgba(255,255,255,.22);font-weight:700;transition:all .3s}
.tt-exp-item:hover,.tt-exp-item.active{border-color:rgba(54,230,224,.55);
  background:linear-gradient(90deg,rgba(54,230,224,.12),rgba(255,207,77,.05));transform:translateX(4px)}
.tt-exp-item.active .t{color:#fff}
.tt-exp-item.active .ar{color:var(--gold);transform:translateX(3px)}
.tt-exp-panel{position:relative}
.tt-explorer .tt-dir{display:none;height:100%;padding:34px 36px;opacity:1;transform:none}
.tt-explorer .tt-dir.show{display:block;animation:ttSlideIn .4s var(--ease)}
@keyframes ttSlideIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.tt-explorer .tt-dir:hover{transform:none}
.tt-explorer .tt-dir .no{position:absolute;top:18px;right:26px;font-size:96px;font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(54,230,224,.3);letter-spacing:0;pointer-events:none}
.tt-explorer .tt-dir h4{font-size:26px;margin:0 0 10px}
.tt-explorer .tt-dir .one{font-size:16px;margin-bottom:20px}
.tt-explorer .tt-dir .lbl{font-size:13px;margin:18px 0 10px}
.tt-explorer .tt-dir ul li{font-size:15px;line-height:1.9}
@media(max-width:900px){
  .tt-explorer{grid-template-columns:1fr !important}
  .tt-exp-nav{flex-direction:row;overflow-x:auto;padding-bottom:8px;gap:10px}
  .tt-exp-item{grid-template-columns:auto 1fr;min-width:210px}
  .tt-exp-item .ar{display:none}
  .tt-explorer .tt-dir .no{font-size:64px}
}
/* 导师：能量环头像 */
.mentor .ava{position:relative}
.mentor .ava::after{content:"";position:absolute;inset:-5px;border-radius:50%;
  background:conic-gradient(var(--gold),var(--cyan),var(--gold));
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));
  opacity:0;transition:opacity .3s}
.mentor:hover .ava::after{opacity:1;animation:ttSpin 2.6s linear infinite}
@keyframes ttSpin{to{transform:rotate(360deg)}}
/* 提供：幽灵编号 + 流光扫过 */
.tt-off{position:relative;overflow:hidden}
.tt-off .no{position:absolute;top:8px;right:14px;font-size:52px;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(255,207,77,.4);pointer-events:none}
.tt-off h4{margin-top:2px}
.tt-off::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.08),transparent);
  transform:skewX(-16deg);transition:left .6s ease;pointer-events:none}
.tt-off:hover::after{left:130%}
.tt-off:hover{border-color:rgba(255,207,77,.5)}
/* 案例：横滑卡组（拖动 / 滚轮横滑，渐变滚动条） */
.tt-cases{display:flex !important;grid-template-columns:none !important;gap:18px;overflow-x:auto;
  scroll-snap-type:x mandatory;padding:4px 4px 16px;cursor:grab}
.tt-cases:active{cursor:grabbing}
.tt-case{flex:0 0 auto;width:min(560px,86%);scroll-snap-align:start}
.tt-cases::-webkit-scrollbar{height:6px}
.tt-cases::-webkit-scrollbar-track{background:rgba(255,255,255,.06);border-radius:3px}
.tt-cases::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--gold),var(--cyan));border-radius:3px}
.tt-cases-hint{text-align:center;color:rgba(255,255,255,.4);font-size:12.5px;letter-spacing:2px;margin-top:14px}
@media(max-width:680px){.tt-case{width:92%}}