/* ═══════════════════════════════════════════════════════════
   中文泛娱 CHINESE FOR YOU — 官网样式 v3
   暗场影院 × 纸白商务 × 四色板块（影视·青 / 商业·琥珀 / 培训·翠 / 案例·品红）
   ═══════════════════════════════════════════════════════════ */

:root{
  --ink:#0B0F1E; --ink2:#131A30; --ink3:#1B2440;
  --paper:#F7F8FC; --paper2:#EEF1F8;
  --blue:#2B3CFF;
  --cyan:#27D3FF; --amber:#FFB020; --green:#2EE6A8; --magenta:#FF4D8D; --violet:#8B5CF6;
  --txt:#1A2138; --txt2:#59627A;
  --ltxt:#F2F4FA; --ltxt2:#9AA6C4;
  --ease:cubic-bezier(.22,.61,.2,1);
  --r-lg:26px; --r-md:16px; --r-sm:10px;
  --shadow:0 18px 50px -18px rgba(11,15,30,.25);
  --shadow-deep:0 30px 80px -30px rgba(0,0,0,.65);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC",sans-serif;
  color:var(--txt); background:var(--paper);
  line-height:1.75; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--blue);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3{font-family:"Noto Serif SC",serif;line-height:1.28}
.num,.ct-num,.lb-index{font-family:"Sora",sans-serif}

/* ── 全局氛围层 ── */
.grain{position:fixed;inset:-50%;z-index:2000;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 8s steps(10) infinite}
@keyframes grain{0%,100%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-2%)}80%{transform:translate(3%,3%)}}
.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;margin:-260px 0 0 -260px;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(43,60,255,.14),transparent 62%);transition:opacity .4s}
.sec-dark .cursor-glow,.hero~.cursor-glow{opacity:1}

/* ── 导航 ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;gap:28px;
  padding:14px clamp(18px,4vw,52px);transition:background .45s var(--ease),box-shadow .45s,padding .45s}
.nav.scrolled{background:rgba(9,12,24,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 40px -18px rgba(0,0,0,.5);padding-block:10px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:42px;height:42px;border-radius:12px;box-shadow:0 6px 18px -6px rgba(43,60,255,.6);transition:transform .5s var(--ease)}
.brand:hover img{transform:rotate(-8deg) scale(1.06)}
.brand-t{font-family:"Noto Serif SC",serif;font-weight:900;font-size:19px;color:#fff;display:flex;flex-direction:column;line-height:1.15}
.brand-t i{font-family:"Sora",sans-serif;font-style:normal;font-weight:400;font-size:9px;letter-spacing:.34em;color:var(--ltxt2)}
.nav-links{display:flex;gap:clamp(14px,2vw,30px);margin-left:auto}
.nav-links a{font-size:14.5px;color:var(--ltxt2);position:relative;padding:6px 2px;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav-links a:hover{color:#fff}.nav-links a:hover::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;align-items:center;gap:5px;color:#fff;font-size:13px;border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:5px 13px;transition:border-color .3s,background .3s}
.lang:hover{border-color:var(--cyan);background:rgba(39,211,255,.1)}
.lang span{color:var(--ltxt2)} .lang i{color:var(--ltxt2);font-style:normal;font-size:11px}
.nav-cta{font-family:"Sora",sans-serif;font-size:13px;color:#0B0F1E;background:linear-gradient(120deg,#fff,#DDE3FF);
  border-radius:999px;padding:9px 18px;font-weight:600;transition:transform .35s var(--ease),box-shadow .35s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(221,227,255,.5)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ── 侧栏导航轨 ── */
.rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:900;display:flex;flex-direction:column;gap:12px}
.rail a{width:9px;height:9px;border-radius:50%;background:rgba(120,130,160,.35);position:relative;transition:.35s var(--ease)}
.rail a.on{background:var(--cyan);box-shadow:0 0 0 5px rgba(39,211,255,.18);transform:scale(1.15)}
.rail a:hover{background:var(--magenta)}
.rail a::before{content:attr(data-label);position:absolute;right:20px;top:50%;translate:0 -50%;white-space:nowrap;
  font-size:11px;color:var(--ltxt2);background:rgba(9,12,24,.9);padding:4px 10px;border-radius:8px;
  opacity:0;pointer-events:none;transition:.3s;transform:translateX(6px)}
.rail a:hover::before{opacity:1;transform:none}
.rail .toTop{background:rgba(120,130,160,.35);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;
  color:#fff;font-size:13px;margin-top:8px;opacity:0;pointer-events:none;transition:.35s}
.rail .toTop.show{opacity:1;pointer-events:auto}
.rail .toTop:hover{background:var(--blue)}

/* ── HERO ── */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  background:radial-gradient(120% 90% at 70% -10%,#1A2450 0%,var(--ink) 55%);color:var(--ltxt);overflow:hidden;padding:120px 20px 0}
#stars{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;z-index:2;text-align:center;max-width:960px}
.hero-badge{display:inline-block;font-size:12.5px;letter-spacing:.12em;color:var(--ltxt2);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 20px;margin-bottom:30px;
  background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.hero-title{font-size:clamp(42px,8.4vw,104px);font-weight:900;letter-spacing:.02em;display:flex;flex-direction:column;gap:2px}
.hero-title em{font-style:normal;
  background:linear-gradient(100deg,var(--cyan) 0%,#6E7BFF 38%,var(--magenta) 78%,var(--amber) 110%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 8px 40px rgba(110,123,255,.35))}
.hero-sub{margin-top:26px;font-size:clamp(15px,1.9vw,19px);color:var(--ltxt2);letter-spacing:.06em}
.hero-cta{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;font-size:15px;font-weight:600;border-radius:999px;padding:15px 38px;position:relative;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s}
.btn-magic{color:#fff;background:linear-gradient(120deg,var(--blue),var(--violet) 55%,var(--magenta));
  box-shadow:0 16px 40px -14px rgba(110,80,255,.65);overflow:hidden}
.btn-magic::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);
  translate:-120% 0;transition:translate .7s var(--ease)}
.btn-magic:hover::before{translate:120% 0}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(39,211,255,.08)}
.btn:hover{transform:translateY(-3px)}
.btn-sm{padding:11px 26px;font-size:13.5px}
.hero-strip{position:relative;z-index:2;width:100%;margin-top:64px;padding:14px 0;border-block:1px solid rgba(255,255,255,.09)}
.strip-track{display:flex;gap:14px;width:max-content;animation:mq 46s linear infinite}
.hero-strip:hover .strip-track{animation-play-state:paused}
.strip-track img{height:96px;border-radius:10px;opacity:.55;transition:.45s var(--ease);filter:saturate(.8)}
.strip-track img:hover{opacity:1;filter:none;transform:translateY(-6px) scale(1.05)}
@keyframes mq{to{transform:translateX(-50%)}}
.scroll-cue{position:absolute;left:50%;bottom:18px;translate:-50% 0;z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--ltxt2);font-size:11px;letter-spacing:.3em}
.scroll-cue i{width:1px;height:34px;background:linear-gradient(var(--cyan),transparent);display:block;animation:cue 1.8s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ── 通用区块 ── */
.sec-light{background:var(--paper);color:var(--txt)}
/* 三大业务板块统一暗场基调 + 四角撞色光晕（年轻化、有活力） */
.sec-dark{
  position:relative;color:var(--ltxt);
  background:
    radial-gradient(58% 50% at 10% 6%, rgba(39,211,255,.19), transparent 60%),
    radial-gradient(52% 46% at 90% 10%, rgba(255,77,141,.18), transparent 60%),
    radial-gradient(56% 52% at 84% 92%, rgba(255,176,32,.17), transparent 60%),
    radial-gradient(52% 50% at 14% 94%, rgba(139,92,246,.20), transparent 60%),
    linear-gradient(180deg,var(--ink) 0%,var(--ink2) 100%);
}
/* 多巴胺顶边彩带 */
.sec-dark::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;z-index:2;
  background:linear-gradient(90deg,var(--cyan),var(--green) 30%,var(--amber) 55%,var(--magenta) 80%,var(--violet));
  opacity:.85}
.wrap{max-width:1200px;margin:0 auto;padding:clamp(70px,9vw,120px) clamp(20px,4vw,40px)}
.kicker{font-family:"Sora",sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.22em;margin-bottom:16px}
.accent-blue{color:var(--blue)} .accent-cyan{color:var(--cyan)} .accent-amber{color:#D98E00}
.accent-green{color:#0FA97E} .accent-magenta{color:var(--magenta)} .accent-violet{color:var(--violet)}
.sec-dark .accent-amber{color:var(--amber)} .sec-dark .accent-green{color:var(--green)}
.sec-title{font-size:clamp(28px,4.2vw,46px);font-weight:900;margin-bottom:22px}
.sec-title.light{color:#fff}
.lead{font-size:clamp(15.5px,1.8vw,18px);color:var(--txt2);max-width:640px}
.sec-dark .lead{color:var(--ltxt2)}
.mission{margin-top:18px;font-size:14.5px;color:var(--txt2);border-left:3px solid var(--blue);padding-left:16px;max-width:620px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.split-rev>*:first-child{order:2}
.split-rev>*:last-child{order:1}

/* 滚动浮现 */
[data-reveal]{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

/* ── 公司简介 ── */
.stats{display:flex;gap:clamp(18px,3vw,44px);margin-top:36px;flex-wrap:wrap}
.stat b{font-size:clamp(30px,3.6vw,44px);font-weight:600;color:var(--blue);display:block;line-height:1.1}
.stat b::after{content:"+";font-size:.6em;vertical-align:.35em;color:var(--magenta)}
.stat span{font-size:13px;color:var(--txt2)}
.pillars{display:flex;flex-direction:column;gap:16px}
.pillar{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid #E4E8F3;border-radius:var(--r-md);
  padding:20px 24px;box-shadow:0 10px 30px -18px rgba(11,15,30,.18);position:relative;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.pillar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--pc,var(--blue));transform:scaleY(0);transition:transform .4s var(--ease)}
.pillar:hover{transform:translateX(10px);box-shadow:0 22px 46px -20px rgba(11,15,30,.3)}
.pillar:hover::before{transform:none}
.p-film{--pc:var(--cyan)} .p-ad{--pc:var(--amber)} .p-train{--pc:var(--green)}
.pillar-brush{height:44px;width:auto}
.pillar p{font-size:14px;color:var(--txt2);flex:1}
.pillar .go{font-style:normal;color:var(--pc);font-size:18px;transition:transform .35s var(--ease)}
.pillar:hover .go{transform:translateX(6px)}

/* ── 业务板块 ── */
.biz-head{margin-bottom:26px}
.brush{height:clamp(64px,9vw,120px);width:auto;filter:drop-shadow(0 6px 30px rgba(39,211,255,.25))}
.brush-dark{filter:drop-shadow(0 6px 22px rgba(11,15,30,.18))}
.biz-lead{font-size:clamp(15.5px,1.9vw,18px);max-width:820px;margin-bottom:40px}
.sec-dark .biz-lead{color:var(--ltxt2)} .sec-light .biz-lead{color:var(--txt2)}
/* 流程管线 */
.pipeline{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:52px}
.pipe{font-size:13.5px;color:#DDE6FF;border:1px solid rgba(39,211,255,.35);border-radius:999px;padding:8px 20px;
  background:rgba(39,211,255,.06);transition:.35s var(--ease)}
.pipe:hover{background:rgba(39,211,255,.16);transform:translateY(-3px);box-shadow:0 10px 24px -10px rgba(39,211,255,.4)}
.pipeline i{color:var(--cyan);font-style:normal;opacity:.6}
/* 特性块 */
.feat{margin-bottom:26px}
.feat b{display:block;font-family:"Noto Serif SC",serif;font-size:18.5px;margin-bottom:6px}
.biz-film .feat b{color:#fff}
.feat p{font-size:14.5px;color:var(--ltxt2)}
.sec-light .feat p{color:var(--txt2)}
/* 图卡 */
.biz-media{display:flex;gap:14px;justify-content:flex-end}
.media-card{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-deep);position:relative;transform-style:preserve-3d;transition:box-shadow .5s}
.sec-light .media-card{box-shadow:var(--shadow)}
.media-card img{width:100%;transition:transform .8s var(--ease)}
.media-card:hover img{transform:scale(1.045)}
.media-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;font-size:12.5px;color:#fff;
  background:linear-gradient(transparent,rgba(5,8,18,.85))}
#filmCards .fcard{position:relative;flex:1;max-width:32%;border-radius:var(--r-md);overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-deep);transition:transform .5s var(--ease),box-shadow .5s}
#filmCards .fcard img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
#filmCards .fcard:hover{transform:translateY(-10px)}
#filmCards .fcard:hover img{transform:scale(1.08)}
#filmCards .fcard::after{content:"▶";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:26px;
  background:rgba(8,11,24,.35);opacity:0;transition:.4s}
#filmCards .fcard:hover::after{opacity:1}
/* 品牌跑马灯 */
.brandline{margin:6px 0 56px}
.marquee{overflow:hidden;border-block:1px dashed #D8DDF0;padding:18px 0;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-in{display:flex;gap:14px;width:max-content;animation:mq 32s linear infinite}
.marquee-in span{white-space:nowrap;font-family:"Noto Serif SC",serif;font-weight:700;font-size:17px;color:var(--txt2);
  border:1px solid #E2E6F4;background:#fff;border-radius:999px;padding:10px 26px;transition:.35s var(--ease)}
.marquee-in span:hover{color:var(--blue);border-color:var(--blue);transform:translateY(-4px)}

/* ── 培训 ── */
.tr-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:52px}
.tr-card{background:#fff;border:1px solid #E4E8F3;border-radius:var(--r-md);padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.tr-card::before{content:"";position:absolute;left:0;top:0;right:0;height:5px;background:var(--tc,var(--green))}
.tr-card:nth-child(1){--tc:var(--cyan)} .tr-card:nth-child(2){--tc:var(--magenta)} .tr-card:nth-child(3){--tc:var(--amber)}
.tr-card::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,168,.22),transparent 70%);transition:transform .5s var(--ease)}
.tr-card:hover{transform:translateY(-8px);box-shadow:0 24px 50px -22px rgba(15,169,126,.35)}
.tr-card:hover::after{transform:scale(1.8)}
.tr-card b{font-family:"Noto Serif SC",serif;font-size:17px;display:block;margin-bottom:8px;color:#0E7A5C}
.tr-card p{font-size:14px;color:var(--txt2)}
/* 业务板块通用装饰：编号水印 + 分类 chip */
.biz{position:relative;overflow:hidden}
.biz>.wrap{position:relative;z-index:1}
.biz-num{position:absolute;top:clamp(12px,3vw,42px);right:clamp(8px,3vw,44px);font-family:"Sora",sans-serif;
  font-weight:800;font-size:clamp(76px,15vw,186px);line-height:.8;color:transparent;
  -webkit-text-stroke:1.6px var(--numc,rgba(255,255,255,.12));pointer-events:none;user-select:none;z-index:0}
.biz-film{--numc:rgba(39,211,255,.28)} .biz-ad{--numc:rgba(255,176,32,.26)} .biz-train{--numc:rgba(46,230,168,.26)}
.chip{display:inline-block;font-family:"Sora",sans-serif;font-weight:600;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;padding:7px 16px;border-radius:999px;margin-bottom:18px}
.chip-cyan{color:#04263a;background:linear-gradient(120deg,#27D3FF,#22E0C8);box-shadow:0 8px 24px -10px rgba(39,211,255,.55)}
.chip-amber{color:#3a2400;background:linear-gradient(120deg,#FFB020,#FF8A3D);box-shadow:0 8px 24px -10px rgba(255,176,32,.55)}
.chip-green{color:#063a2a;background:linear-gradient(120deg,#2EE6A8,#54E36B);box-shadow:0 8px 24px -10px rgba(46,230,168,.55)}

/* AI 影视：双海报（统一 9:16，适度尺寸不撑屏） */
.biz-media{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-self:center;max-width:460px;width:100%}
.fcard-big{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink3);
  box-shadow:var(--shadow-deep);transition:transform .55s var(--ease),box-shadow .55s var(--ease)}
.fcard-big img{width:100%;height:100%;object-fit:cover;aspect-ratio:9/16;transition:transform .8s var(--ease)}
.fcard-big:hover{transform:translateY(-8px);box-shadow:0 34px 70px -24px rgba(0,0,0,.7)}
.fcard-big:hover img{transform:scale(1.05)}
.fcard-big figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;font-size:12px;color:#fff;
  background:linear-gradient(transparent,rgba(5,8,18,.86))}

/* AI 商业：小截图艺术拼贴（≈1/3 屏宽）+ 分类介绍列表 */
.ad-split{display:grid;grid-template-columns:minmax(300px,1fr) minmax(0,1.7fr);gap:clamp(30px,5vw,64px);align-items:center;margin-bottom:52px}
.ad-shots{position:relative;max-width:340px;margin:0 auto;width:100%;aspect-ratio:1/1.06}
.shot{position:absolute;border-radius:12px;overflow:hidden;background:var(--ink3);
  box-shadow:0 16px 40px -16px rgba(0,0,0,.7);border:2px solid rgba(255,255,255,.85);
  transition:transform .5s var(--ease),z-index 0s}
.shot img{width:100%;height:100%;object-fit:cover}
.shot:hover{transform:scale(1.1) rotate(0deg)!important;z-index:9}
.s1{width:56%;aspect-ratio:9/16;left:0;top:0;transform:rotate(-7deg);z-index:2}
.s2{width:42%;aspect-ratio:9/16;right:2%;top:6%;transform:rotate(6deg);z-index:1}
.s3{width:52%;aspect-ratio:16/10;right:0;top:44%;transform:rotate(-4deg);z-index:3}
.s4{width:40%;aspect-ratio:16/11;left:4%;bottom:-4%;transform:rotate(5deg);z-index:2}
.s5{width:34%;aspect-ratio:16/10;left:30%;top:2%;transform:rotate(-12deg);z-index:4;box-shadow:0 10px 26px -12px rgba(0,0,0,.65)}
.ad-text{font-family:"Noto Serif SC",serif}
.ad-list{list-style:none;display:flex;flex-direction:column}
.al{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;padding:16px 4px 14px;border-bottom:1px dashed rgba(255,255,255,.14);position:relative}
.al:last-child{border-bottom:0}
.al::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--ac,var(--cyan));
  align-self:center;grid-row:1/3;box-shadow:0 0 14px var(--ac,var(--cyan));transform:rotate(45deg)}
.al b{font-size:clamp(16px,1.9vw,19px);color:#fff;letter-spacing:.02em}
.al p{font-family:"Noto Sans SC",sans-serif;font-size:13.5px;color:var(--ltxt2);line-height:1.66;max-width:560px}
.al-1{--ac:var(--cyan)} .al-2{--ac:var(--amber)} .al-3{--ac:var(--green)} .al-4{--ac:var(--magenta)}
.b2b{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,38px);position:relative;overflow:hidden}
.b2b::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.22),transparent 70%)}
.b2b-head b{font-family:"Noto Serif SC",serif;font-size:clamp(20px,2.4vw,28px);color:#fff;display:block;margin-bottom:10px}
.b2b-head p{font-size:14.5px;color:var(--ltxt2);max-width:880px;line-height:1.7}
.b2b-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pt{font-family:"Sora",sans-serif;font-weight:600;font-size:13px;padding:9px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);transition:transform .35s var(--ease)}
.pt:hover{transform:translateY(-3px)}
.pt-cyan{color:#04263a;background:var(--cyan)}
.pt-lime{color:#063a2a;background:var(--green)}
.pt-orange{color:#3a2400;background:var(--amber)}
.pt-magenta{color:#fff;background:var(--magenta)}

/* AI 培训：照片墙（从右向左双排流动 · 悬停暂停并放大单张） */
.pw{display:flex;flex-direction:column;gap:16px;overflow:hidden;margin-bottom:8px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.pw-row{overflow:hidden}
.pw-track{display:flex;gap:14px;width:max-content;animation:pwLeft linear infinite}
.pw-row:hover .pw-track{animation-play-state:paused}
@keyframes pwLeft{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.pw-r1 .pw-track figure{height:clamp(180px,24vw,250px)}
.pw-r2 .pw-track figure{height:clamp(140px,19vw,200px)}
.pw-track figure{border-radius:14px;overflow:hidden;background:var(--ink3);flex:none;
  box-shadow:0 12px 30px -16px rgba(0,0,0,.6);transition:transform .5s var(--ease),box-shadow .5s}
.pw-r1 .pw-track figure:nth-child(4n+1),.pw-r2 .pw-track figure:nth-child(4n+3){transform:rotate(-1.6deg)}
.pw-r1 .pw-track figure:nth-child(4n+3),.pw-r2 .pw-track figure:nth-child(4n+1){transform:rotate(1.6deg)}
.pw-track figure img{height:100%;width:auto;display:block;border-radius:14px;transition:transform .6s var(--ease),filter .5s}
.pw-track figure:hover{transform:rotate(0deg) scale(1.07);z-index:2;box-shadow:0 24px 54px -18px rgba(0,0,0,.75)}
.pw-track figure:hover img{transform:scale(1.05);filter:brightness(1.2) saturate(1.12)}
.collage-cap{text-align:center;margin-top:26px;font-size:13px;color:var(--ltxt2);letter-spacing:.1em}

/* ── 案例展厅 ── */
.cases .wrap{padding-top:clamp(80px,10vw,130px)}
.cases-head{text-align:center;margin-bottom:40px}
.cs-sub{color:var(--ltxt2);font-size:15px}
.cs-sub b{color:var(--magenta);font-family:"Sora",sans-serif}
.cs-tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.cs-tab{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ltxt2);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:11px 24px;transition:.4s var(--ease);background:rgba(255,255,255,.03)}
.cs-tab em{font-style:normal;font-family:"Sora",sans-serif;font-size:11.5px;opacity:.75}
.cs-tab:hover{color:#fff;border-color:rgba(255,255,255,.45);transform:translateY(-2px)}
.cs-tab.on{color:#fff;border-color:transparent;background:linear-gradient(120deg,var(--violet),var(--magenta));
  box-shadow:0 12px 30px -12px rgba(255,77,141,.55)}
.cs-ghead{display:flex;align-items:center;gap:12px;grid-column:1/-1;margin:24px 0 14px;
  font-family:"Sora",sans-serif;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--ltxt2)}
.cs-ghead::before{content:"";width:26px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--magenta),var(--violet))}
.cs-ghead:first-child{margin-top:0}
/* 子目录分组：一条竖色条 + 名称 + 数量，组内再分横/竖 */
/* 案例展厅：二级分组（观看顺序） */
.cs-section{padding:30px 0 10px;border-top:1px solid rgba(255,255,255,.09)}
.cs-section:first-child{border-top:0;padding-top:4px}
.cs-sectionhead{display:flex;align-items:baseline;gap:14px;margin:0 0 18px;padding-left:16px;
  position:relative}
.cs-sectionhead::before{content:"";position:absolute;left:0;top:.3em;width:5px;height:1.1em;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--violet))}
.csh-name{font-family:"Noto Serif SC",serif;font-size:clamp(20px,2.3vw,27px);color:var(--ltxt);letter-spacing:.02em}
.csh-num{font-family:"Sora",sans-serif;font-size:12px;letter-spacing:.06em;color:var(--ltxt2)}
.cs-subhead{font-family:"Noto Serif SC",serif;font-size:clamp(15px,1.5vw,18px);
  color:var(--cyan);margin:8px 0 2px;letter-spacing:.04em}
.cs-group{padding:26px 0 8px;border-top:1px solid rgba(255,255,255,.09)}
.cs-group:first-child{border-top:0;padding-top:4px}
.cs-grouphead{display:flex;align-items:baseline;gap:14px;margin:0 0 18px;padding-left:15px;
  position:relative}
.cs-grouphead::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:1.05em;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--violet))}
.cgh-name{font-family:"Noto Serif SC",serif;font-size:clamp(19px,2.1vw,25px);color:var(--ltxt);letter-spacing:.02em}
.cgh-num{font-family:"Sora",sans-serif;font-size:12px;letter-spacing:.06em;color:var(--ltxt2)}
.cs-orient{display:flex;align-items:center;gap:9px;margin:16px 0 12px;
  font-family:"Sora",sans-serif;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ltxt2)}
.cs-orient::before{content:"";width:18px;height:2px;border-radius:2px}
.cs-orient-land::before{background:var(--cyan)}
.cs-orient-port::before{background:var(--magenta)}
.cs-row{display:grid;gap:16px;margin-bottom:18px}
.row-land{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.row-port{grid-template-columns:repeat(auto-fill,minmax(158px,1fr))}
.cs-grid{display:grid;grid-template-columns:1fr;min-height:300px}
.row-land .pcard img{aspect-ratio:16/9;object-fit:cover;width:100%}
.row-port .pcard img{aspect-ratio:9/16;object-fit:cover;width:100%}
.pcard{position:relative;border-radius:var(--r-md);overflow:hidden;cursor:pointer;background:var(--ink3);
  box-shadow:0 14px 34px -16px rgba(0,0,0,.6);opacity:0;transform:translateY(24px) scale(.96);
  transition:opacity .7s var(--ease),transform .7s var(--ease),box-shadow .4s}
.pcard.in{opacity:1;transform:none}
.pcard img{width:100%;transition:transform .7s var(--ease),filter .5s}
.pcard:hover{box-shadow:0 26px 60px -18px rgba(139,92,246,.5)}
.pcard:hover img{transform:scale(1.07)}
.pcard .pv{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.4s;
  background:linear-gradient(180deg,rgba(11,15,30,0) 40%,rgba(11,15,30,.82));}
.pcard:hover .pv{opacity:1}
.pcard .pv i{font-style:normal;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:18px;
  background:linear-gradient(120deg,var(--violet),var(--magenta));box-shadow:0 10px 26px -8px rgba(255,77,141,.7)}
.pcard .pt{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 11px;font-size:12.5px;color:#fff;
  background:linear-gradient(transparent,rgba(5,8,18,.88));
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;translate:0 8px;transition:.45s var(--ease)}
.pcard:hover .pt{opacity:1;translate:0 0}
.cs-hint{text-align:center;margin-top:34px;font-size:12.5px;color:var(--ltxt2);letter-spacing:.08em}
.cs-empty{grid-column:1/-1;text-align:center;color:var(--ltxt2);padding:60px 0}

/* ── 灯箱 ── */
.lightbox{position:fixed;inset:0;z-index:3000;background:rgba(5,7,16,.94);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;justify-content:center;align-items:center;padding:4vh 4vw;
  opacity:0;pointer-events:none;transition:opacity .45s var(--ease)}
.lightbox.open{opacity:1;pointer-events:auto}
.lb-stage{width:min(1000px,94vw);max-height:76vh;display:flex;align-items:center;justify-content:center}
.lb-stage video{max-width:100%;max-height:76vh;border-radius:14px;background:#000;box-shadow:0 40px 120px -40px rgba(0,0,0,.9)}
.lb-bar{display:flex;align-items:center;gap:18px;margin-top:20px;color:#fff;width:min(1000px,94vw)}
.lb-bar b{font-weight:500;font-size:14px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-bar span{font-size:12.5px;color:var(--ltxt2);font-family:"Sora",sans-serif}
.lb-nav button,.lb-close{color:#fff;font-size:19px;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.25);transition:.3s}
.lb-nav button:hover,.lb-close:hover{background:rgba(255,255,255,.14);transform:scale(1.08)}
.lb-close{position:absolute;top:22px;right:26px;font-size:26px}

/* ── 合作洽谈 ── */
.contact{text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--paper) 0%,#EDEFFF 60%,#F6EBFF 100%)}
.contact-sub{color:var(--txt2);max-width:520px;margin:0 auto}
.ct-cards{display:flex;gap:22px;justify-content:center;margin:46px 0 26px;flex-wrap:wrap}
.ct-card{background:#fff;border:1px solid #E4E8F3;border-radius:var(--r-lg);padding:34px 44px;min-width:250px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:10px;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.ct-card:hover{transform:translateY(-8px);box-shadow:0 30px 64px -24px rgba(43,60,255,.35)}
.ct-ico{font-size:30px}
.ct-card b{font-size:13.5px;color:var(--txt2);font-weight:500}
.ct-num{font-size:26px;color:var(--blue);letter-spacing:.04em}
.ct-qr{width:150px;height:150px;border-radius:12px;border:1px solid #EDF0F8}
.ct-wechat span{font-size:12.5px;color:var(--txt2)}
.ct-hours{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--txt);
  border:1px solid #D9DEF0;background:rgba(255,255,255,.7);border-radius:999px;padding:10px 26px}
.ct-hours .dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(46,230,168,.5)}55%{box-shadow:0 0 0 8px rgba(46,230,168,0)}}
.ct-slogan{margin-top:44px;font-family:"Noto Serif SC",serif;font-weight:900;font-size:clamp(19px,2.6vw,26px);color:var(--txt)}

/* ── 页脚 ── */
.foot{background:var(--ink);color:var(--ltxt2);text-align:center;padding:54px 20px 40px}
.foot-logo{width:44px;margin:0 auto 14px;border-radius:12px}
.foot-name{font-family:"Noto Serif SC",serif;font-weight:700;color:#fff;font-size:15.5px}
.foot-en{font-family:"Sora",sans-serif;font-size:10.5px;letter-spacing:.3em;margin-top:6px}
.foot-copy{font-size:12px;margin-top:16px;opacity:.7}

/* ── 后台拖拽编辑（管理员可见） ── */
#__ve_bar{display:none!important}
html.ve-admin #__ve_bar{display:flex!important}
html.ve-admin [data-reveal]{opacity:1;transform:none}

/* ── 响应式 ── */
@media(max-width:1080px){
  .split{grid-template-columns:1fr;gap:34px}
  .split-rev>*:first-child{order:0}
  .split-rev>*:last-child{order:0}
  .biz-media{justify-content:flex-start}
  .tr-cards{grid-template-columns:1fr 1fr}
  .ad-split{grid-template-columns:1fr;gap:40px}
  .ad-shots{max-width:320px}
}
@media(max-width:860px){
  .nav-links{position:fixed;inset:0 0 auto 0;top:64px;flex-direction:column;gap:0;background:rgba(9,12,24,.97);
    backdrop-filter:blur(14px);padding:18px 26px 26px;transform:translateY(-130%);transition:transform .5s var(--ease);margin-left:0}
  .nav-links.open{transform:none}
  .nav-links a{padding:13px 0;font-size:16px;border-bottom:1px solid rgba(255,255,255,.07)}
  .burger{display:flex}
  .nav-cta{display:none}
  .rail{display:none}
  .about .split{grid-template-columns:1fr}
  .tr-cards{grid-template-columns:1fr}
  .row-land{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .row-port{grid-template-columns:repeat(auto-fill,minmax(132px,1fr))}
  .cs-grouphead{gap:10px;margin-bottom:14px}
  .cgh-name{font-size:19px}
  .cs-sectionhead{gap:10px;margin-bottom:14px;padding-left:12px}
  .csh-name{font-size:19px}
  .cs-subhead{font-size:15px;margin:6px 0 0}
  .cs-orient{margin:14px 0 10px}
  .ct-card{padding:26px 30px;min-width:210px}
}
@media(max-width:600px){
  .biz-media{max-width:320px}
  .row-land{grid-template-columns:repeat(2,1fr)}
  .row-port{grid-template-columns:repeat(2,1fr)}
  .hero-strip .strip-track img{height:64px}
  .stats{gap:20px}
  .lb-bar{flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}