/* ==========================================================================
   光影时代 · 影视公司官网样式
   --------------------------------------------------------------------------
   设计基调：深色电影感 + 香槟金点缀，大量留白，衬线英文做点缀
   纯手写 CSS，无框架、无外部字体，首屏只有 1 个 CSS + 1 个 JS
   ========================================================================== */

/* ---------- 变量 ---------- */
:root{
  --bg:#0a0a0c;
  --bg-2:#101014;
  --bg-3:#16161b;
  --ink:#f4f1ec;
  --ink-2:#cfcac2;
  --muted:#8f8b83;
  --gold:#c9a063;
  --gold-2:#e2bd82;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --max:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Times New Roman",Georgia,"Songti SC","STSong",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--gold);color:#111}

.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 通用标题 ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--serif);font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold);
}
.kicker::before{content:"";width:28px;height:1px;background:var(--gold);opacity:.7}
.sec-head{max-width:720px;margin-bottom:56px}
.sec-head h2{
  font-size:clamp(28px,3.6vw,44px);line-height:1.28;font-weight:700;
  letter-spacing:.02em;margin:18px 0 16px;
}
.sec-head p{color:var(--muted);font-size:15px;max-width:560px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .kicker::before{display:none}
.sec-head.center p{margin-left:auto;margin-right:auto}

section{position:relative;padding:120px 0}
.sec-alt{background:var(--bg-2)}
.sec-line{border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border:1px solid var(--line-2);
  font-size:14px;letter-spacing:.06em;border-radius:2px;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#141210;font-weight:600}
.btn-gold:hover{background:var(--gold-2);border-color:var(--gold-2)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-solid{
  background:rgba(10,10,12,.86);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;align-items:center;gap:12px;font-size:17px;letter-spacing:.14em;font-weight:600}
.logo .mark{
  width:34px;height:34px;border:1px solid var(--gold);border-radius:50%;
  display:grid;place-items:center;font-family:var(--serif);color:var(--gold);font-size:13px;
}
.logo small{display:block;font-size:10px;letter-spacing:.3em;color:var(--muted);font-weight:400;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;font-size:14px;color:var(--ink-2);letter-spacing:.04em;padding:6px 0;transition:color .3s}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);
  transition:width .4s var(--ease);
}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-tel{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--gold);letter-spacing:.04em}
.nav-tel .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.burger{display:none;width:44px;height:44px;position:relative;z-index:120}
.burger span{position:absolute;left:10px;right:10px;height:1.5px;background:var(--ink);transition:transform .35s var(--ease),opacity .3s}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){top:22px}
.burger span:nth-child(3){top:28px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:110;background:rgba(9,9,11,.98);
  display:flex;flex-direction:column;justify-content:center;
  padding:0 32px;opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;
}
.mobile-menu.is-open{opacity:1;visibility:visible}
.mobile-menu a{
  font-size:26px;padding:16px 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;color:var(--ink-2);
}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu a span{font-family:var(--serif);font-size:12px;color:var(--muted);letter-spacing:.2em}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:heroIn 14s var(--ease) forwards}
@keyframes heroIn{to{transform:scale(1)}}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,8,10,.72) 0%,rgba(8,8,10,.28) 12%,transparent 26%),
    linear-gradient(90deg,rgba(8,8,10,.94) 0%,rgba(8,8,10,.72) 42%,rgba(8,8,10,.35) 72%,rgba(8,8,10,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:150px 0 100px;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px;
  border:1px solid rgba(201,160,99,.4);border-radius:999px;
  font-size:12px;letter-spacing:.18em;color:var(--gold-2);margin-bottom:30px;
}
.hero h1{
  font-size:clamp(38px,6.2vw,80px);line-height:1.16;font-weight:800;letter-spacing:.01em;
  max-width:15em;
}
.hero h1 em{
  font-style:normal;color:var(--gold);
  background:linear-gradient(100deg,var(--gold) 10%,#f3dcb4 90%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{
  margin-top:28px;max-width:560px;color:var(--ink-2);font-size:16px;line-height:1.9;
}
.hero-actions{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}
.hero-meta{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  border-top:1px solid var(--line);background:rgba(8,8,10,.5);backdrop-filter:blur(8px);
}
.hero-meta .wrap{display:flex;gap:0;justify-content:space-between;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.hero-meta div{font-size:13px;color:var(--muted);letter-spacing:.04em}
.hero-meta strong{display:block;font-size:22px;color:var(--ink);font-weight:700;letter-spacing:0;margin-bottom:2px}
.scroll-hint{
  position:absolute;right:32px;bottom:110px;z-index:2;writing-mode:vertical-rl;
  font-family:var(--serif);font-size:11px;letter-spacing:.4em;color:var(--muted);
  display:flex;align-items:center;gap:14px;
}
.scroll-hint::after{content:"";width:1px;height:64px;background:linear-gradient(var(--muted),transparent)}

/* ---------- 业务范围 ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc{
  background:var(--bg);padding:44px 36px;position:relative;overflow:hidden;
  transition:background .45s var(--ease);
}
.svc:hover{background:var(--bg-3)}
.svc-no{font-family:var(--serif);font-size:12px;letter-spacing:.24em;color:var(--gold);opacity:.8}
.svc h3{font-size:21px;margin:22px 0 12px;font-weight:600;letter-spacing:.02em}
.svc p{color:var(--muted);font-size:14px;line-height:1.85}
.svc .more{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  font-size:13px;color:var(--gold);letter-spacing:.04em;
}
.svc .more::after{content:"→";transition:transform .35s var(--ease)}
.svc:hover .more::after{transform:translateX(6px)}
.svc::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:1px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease);
}
.svc:hover::before{transform:scaleX(1)}

/* ---------- 作品网格 ---------- */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work{
  position:relative;overflow:hidden;background:var(--bg-3);aspect-ratio:16/9;border-radius:2px;
}
.works--featured .work:nth-child(1){grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
/* 案例页最后一行只剩 1 个时，放到中间列，视觉平衡 */
.works--grid .work:last-child:nth-child(3n+1){grid-column:2}
.work img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),filter .6s}
.work::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,6,8,.88) 0%,rgba(6,6,8,.25) 45%,transparent 70%);
  transition:opacity .5s;
}
.work:hover img{transform:scale(1.06);filter:brightness(.85)}
.work-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 28px;transform:translateY(6px);transition:transform .5s var(--ease)}
.work:hover .work-info{transform:translateY(0)}
.work-cat{font-family:var(--serif);font-size:11px;letter-spacing:.24em;color:var(--gold-2);text-transform:uppercase}
.work h3{font-size:18px;margin-top:8px;font-weight:600}
.work-desc{font-size:13px;color:var(--ink-2);opacity:0;max-height:0;overflow:hidden;transition:opacity .4s,max-height .5s var(--ease)}
.work:hover .work-desc{opacity:1;max-height:80px;margin-top:6px}
.work-play{
  position:absolute;top:50%;left:50%;z-index:2;width:64px;height:64px;margin:-32px 0 0 -32px;
  border:1px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;
  opacity:0;transform:scale(.85);transition:opacity .45s,transform .45s var(--ease);
  background:rgba(10,10,12,.25);backdrop-filter:blur(4px);
}
.work-play::before{content:"";border-style:solid;border-width:7px 0 7px 12px;border-color:transparent transparent transparent #fff;margin-left:3px}
.work:hover .work-play{opacity:1;transform:scale(1)}

/* ---------- 数据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:46px 20px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(34px,4vw,52px);color:var(--gold);font-weight:400;line-height:1}
.stat span{display:block;margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.08em}

/* ---------- 关于 ---------- */
.about-split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.about-media{position:relative}
.about-media img{width:100%;border-radius:2px}
.about-media::before{
  content:"";position:absolute;inset:22px -22px -22px 22px;border:1px solid rgba(201,160,99,.35);z-index:-1;
}
.about-copy h2{font-size:clamp(26px,3vw,38px);line-height:1.4;font-weight:700;margin:20px 0 22px}
.about-copy p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.about-list{margin-top:30px;display:grid;gap:14px}
.about-list li{display:flex;gap:14px;font-size:14px;color:var(--ink-2)}
.about-list li::before{content:"—";color:var(--gold);flex:none}
.about-sign{margin-top:34px;font-family:var(--serif);font-size:13px;letter-spacing:.2em;color:var(--muted)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{padding:0 26px 0 0;position:relative;counter-increment:s}
.step::before{
  content:counter(s,decimal-leading-zero);
  display:block;font-family:var(--serif);font-size:40px;color:rgba(201,160,99,.28);
  line-height:1;margin-bottom:18px;
}
.step h4{font-size:17px;margin-bottom:10px;font-weight:600}
.step p{font-size:13.5px;color:var(--muted);line-height:1.85}
.step:not(:last-child)::after{
  content:"";position:absolute;top:22px;right:0;width:1px;height:calc(100% - 40px);background:var(--line);
}

/* ---------- 花絮瀑布 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 18px}
.gallery figure{margin:0}
.gallery .ph{
  position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:2px;background:var(--bg-3);
}
.gallery img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease)}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{
  padding:11px 2px 0;font-size:11.5px;color:var(--muted);
  letter-spacing:.12em;line-height:1.5;
}
.gallery figcaption::before{content:"";display:inline-block;width:14px;height:1px;background:var(--gold);vertical-align:middle;margin-right:8px;opacity:.8}

/* ---------- CTA 带 ---------- */
.cta{position:relative;padding:110px 0;overflow:hidden;text-align:center}
.cta-bg{position:absolute;inset:0}
.cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.cta-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(10,10,12,.35),rgba(10,10,12,.95))}
.cta-inner{position:relative;z-index:2}
.cta h2{font-size:clamp(28px,4vw,50px);font-weight:700;line-height:1.3}
.cta p{color:var(--ink-2);margin:18px 0 36px}
.cta-tel{display:block;margin-top:26px;font-family:var(--serif);font-size:clamp(24px,3vw,36px);color:var(--gold);letter-spacing:.06em}

/* ---------- 页脚 ---------- */
.site-footer{background:#070708;border-top:1px solid var(--line);padding:80px 0 34px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px;border-bottom:1px solid var(--line)}
.foot-brand .logo{margin-bottom:20px}
.foot-brand p{color:var(--muted);font-size:13.5px;max-width:300px;line-height:1.9}
.foot-col h4{font-size:13px;letter-spacing:.12em;color:var(--ink);margin-bottom:20px;font-weight:600}
.foot-col a,.foot-col li{display:block;font-size:13.5px;color:var(--muted);margin-bottom:12px;transition:color .3s}
.foot-col a:hover{color:var(--gold)}
.foot-contact li{color:var(--muted);font-size:13.5px;line-height:1.9}
.foot-contact b{color:var(--ink);font-weight:500}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:26px;flex-wrap:wrap;font-size:12.5px;color:#5f5c56}
.foot-bottom a:hover{color:var(--gold)}

/* ---------- 内页 hero ---------- */
.page-hero{position:relative;padding:210px 0 90px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .bg{position:absolute;inset:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.page-hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(10,10,12,.5),var(--bg))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(34px,5vw,62px);font-weight:800;margin:16px 0 14px;letter-spacing:.01em}
.page-hero p{color:var(--muted);max-width:560px;font-size:15px}
.crumb{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-top:26px}
.crumb a:hover{color:var(--gold)}

/* ---------- 服务详情（交替） ---------- */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:70px 0;border-bottom:1px solid var(--line)}
.svc-row:last-child{border-bottom:0}
.svc-row:nth-child(even) .svc-row-media{order:2}
.svc-row-media{position:relative;overflow:hidden;border-radius:2px}
.svc-row-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .9s var(--ease)}
.svc-row:hover .svc-row-media img{transform:scale(1.04)}
.svc-row-no{font-family:var(--serif);font-size:13px;letter-spacing:.3em;color:var(--gold)}
.svc-row h3{font-size:clamp(22px,2.6vw,32px);margin:16px 0 18px;font-weight:700}
.svc-row p{color:var(--ink-2);font-size:15px;line-height:1.95}
.svc-points{margin-top:26px;display:grid;gap:12px}
.svc-points li{font-size:14px;color:var(--muted);display:flex;gap:12px}
.svc-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin-top:11px;flex:none}

/* ---------- 案例筛选 ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:44px}
.filter{
  padding:10px 22px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--muted);transition:all .3s var(--ease);
}
.filter:hover{border-color:var(--line-2);color:var(--ink)}
.filter.is-on{background:var(--gold);border-color:var(--gold);color:#141210;font-weight:600}
.work[data-hide="1"]{display:none}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.contact-list{display:grid;gap:0;border-top:1px solid var(--line)}
.contact-item{padding:28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:20px}
.contact-item dt{font-size:12px;letter-spacing:.16em;color:var(--muted)}
.contact-item dd{margin:0;font-size:17px;color:var(--ink)}
.contact-item dd a:hover{color:var(--gold)}
.contact-item small{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}
.map-box{margin-top:36px;aspect-ratio:16/9;border:1px solid var(--line);display:grid;place-items:center;
  background:repeating-linear-gradient(45deg,var(--bg-3) 0 12px,var(--bg-2) 12px 24px);color:var(--muted);font-size:13px;text-align:center;padding:20px}

.form{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
.field label{font-size:12px;letter-spacing:.1em;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line-2);
  padding:12px 2px;color:var(--ink);font-size:15px;font-family:var(--sans);
  transition:border-color .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--gold)}
.field textarea{resize:vertical;min-height:110px}
.field select option{background:var(--bg-2);color:var(--ink)}
.form-note{font-size:12.5px;color:var(--muted)}
.form-msg{font-size:13px;color:var(--gold);min-height:20px}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(6,6,8,.96);
  display:grid;place-items:center;padding:40px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox img{max-width:min(1100px,92vw);max-height:82vh;object-fit:contain;border:1px solid var(--line)}
.lightbox-close{position:absolute;top:26px;right:34px;font-size:13px;letter-spacing:.2em;color:var(--muted)}
.lightbox-close:hover{color:var(--ink)}
.lightbox-cap{margin-top:18px;font-size:13px;color:var(--muted);letter-spacing:.08em}

/* ---------- 滚动出现动画 ---------- */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}.reveal-d4{transition-delay:.4s}

/* ---------- 案例详情 ---------- */
.case-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:0}
.case-facts>div{background:var(--bg-2);padding:22px 20px}
.case-facts span{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--muted);margin-bottom:6px}
.case-facts b{font-size:15px;font-weight:500;color:var(--ink)}
.case-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.case-gallery figure{margin:0;overflow:hidden;border-radius:2px}
.case-gallery img{width:100%;height:100%;object-fit:cover}
.case-gallery figure:first-child{grid-column:span 2}
@media (max-width:760px){
  .case-facts{grid-template-columns:repeat(2,1fr)}
  .case-gallery{grid-template-columns:1fr}
  .case-gallery figure:first-child{grid-column:auto}
}
/* ---------- 新闻列表 ---------- */
.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.post{background:var(--bg);padding:38px 34px;display:flex;flex-direction:column;gap:14px;transition:background .4s var(--ease)}
.post:hover{background:var(--bg-3)}
.post[data-hide="1"]{display:none}
.post-meta{display:flex;align-items:center;gap:14px;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.post-cat{color:var(--gold);border:1px solid rgba(201,160,99,.35);border-radius:999px;padding:2px 10px;font-size:11px;white-space:nowrap}
.post h3{font-size:19px;line-height:1.55;font-weight:600}
.post p{color:var(--muted);font-size:14px;line-height:1.8}
.post-more{margin-top:auto;font-size:13px;color:var(--gold)}

/* ---------- 文章页 ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:start}
.article{font-size:16px;line-height:2;color:var(--ink-2)}
.article h2{font-size:22px;color:var(--ink);margin:40px 0 14px;font-weight:700;line-height:1.5}
.article h3{font-size:18px;color:var(--ink);margin:28px 0 10px}
.article p{margin:14px 0}
.article ul,.article ol{margin:14px 0;padding-left:24px;list-style:disc}
.article ol{list-style:decimal}
.article li{margin:8px 0}
.article strong{color:var(--ink);font-weight:600}
.article-aside{position:sticky;top:104px;display:grid;gap:20px}
.aside-box{border:1px solid var(--line);padding:26px 24px;background:var(--bg-2)}
.aside-box h3{font-size:16px;margin-bottom:12px;font-weight:600}
.aside-box p{font-size:13.5px;color:var(--muted);margin-bottom:18px;line-height:1.8}
.aside-tel{display:block;margin-top:16px;color:var(--gold);font-family:var(--serif);letter-spacing:.06em;font-size:18px}
.related{display:grid}
.related-item{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2);transition:color .3s;line-height:1.6}
.related-item:last-child{border-bottom:0}
.related-item:hover{color:var(--gold)}
.related-item span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:4px}
@media (max-width:1080px){
  .posts{grid-template-columns:1fr}
  .article-wrap{grid-template-columns:1fr;gap:40px}
  .article-aside{position:static}
}
/* ---------- 响应式 ---------- */
@media (max-width:1180px){.nav-tel{display:none}}
@media (max-width:1080px){
  .services{grid-template-columns:repeat(2,1fr)}
  .works{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .about-split,.contact-grid,.svc-row{grid-template-columns:1fr;gap:40px}
  .svc-row:nth-child(even) .svc-row-media{order:0}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 0}
  .step::after{display:none}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .wrap{padding:0 22px}
  section{padding:76px 0}
  .nav{height:70px}
  .nav-links,.nav-tel{display:none}
  .burger{display:block}
  .hero-inner{padding:120px 0 90px}
  .hero h1{font-size:clamp(32px,9vw,44px)}
  .hero-meta .wrap{gap:18px 30px}
  .hero-meta div{flex:1 1 40%}
  .hero-meta strong{font-size:18px}
  .scroll-hint{display:none}
  .services,.services--2,.works,.form-row{grid-template-columns:1fr}
  .works--featured .work:nth-child(1){grid-column:auto;grid-row:auto}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}

/* 手机端片场注脚更紧凑 */
@media (max-width:760px){
  .gallery{gap:18px 10px}
  .gallery figcaption{font-size:10px;letter-spacing:.02em;padding-top:8px;line-height:1.4}
  .gallery figcaption::before{width:10px;margin-right:5px}
}

  .stats{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:1fr;gap:34px}
  .page-hero{padding:150px 0 70px}
  .contact-item{grid-template-columns:1fr;gap:8px}
}

/* ---------- 无障碍 / 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:#111;padding:10px 18px;z-index:300}
.skip:focus{left:12px;top:12px}

/* ===== 官方 logo ===== */
.logo{display:inline-flex;align-items:center;gap:0;font-size:0;letter-spacing:0}
.logo img{display:block;width:auto;border:0}
.logo .logo-full{height:54px}
.logo .logo-mark{display:none}
@media (max-width:860px){
  .logo .logo-full{height:36px}
}
.site-footer .logo{margin-bottom:22px}
.site-footer .logo .logo-full{height:76px}
@media (max-width:860px){
  .site-footer .logo .logo-full{height:44px}
}

/* 关于页能力区：2x2 */
.services--2{grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.services--2{grid-template-columns:1fr}}

/* 联系页到访卡 */
.visit-card{
  margin-top:36px;border:1px solid var(--line);padding:40px 36px 42px;
  background:linear-gradient(155deg,rgba(201,160,99,.07),rgba(201,160,99,0) 62%);
}
.visit-card .kicker{display:block;margin-bottom:12px}
.visit-card h3{font-size:22px;line-height:1.5;margin:0 0 16px}
.visit-card p{font-size:14px;line-height:2;color:var(--ink-2);margin:0}
.visit-note{
  margin:22px 0 26px;padding-top:18px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.9;color:var(--muted);letter-spacing:.03em;
}

/* ===== 首屏双图 + 数据条轻量化 ===== */
.hero-media .hero-img-d{object-position:50% 44%}
.hero-media .hero-img-m{display:none;object-position:50% 40%}
@media (max-width:860px){
  .hero-media .hero-img-d{display:none}
  .hero-media .hero-img-m{display:block}
}
.hero-meta .wrap{padding:15px 0 16px}
.hero-meta div{
  display:flex;align-items:baseline;gap:9px;
  font-size:12px;color:var(--muted);letter-spacing:.1em;
}
.hero-meta strong{
  display:inline;font-size:13px;font-weight:600;color:var(--ink);
  margin:0;letter-spacing:.02em;
}
@media (max-width:760px){
  .hero-meta .wrap{padding:12px 0 13px;gap:10px 22px}
  .hero-meta div{flex:0 0 auto;font-size:11px}
  .hero-meta strong{font-size:12px}
}

/* ===== 首屏微调 v2 ===== */
.hero-media .hero-img-d{object-position:54% 44%}
@media (max-width:860px){
  .hero-media .hero-img-m{object-position:64% 30%}
  .hero-media::after{
    background:
      linear-gradient(180deg,rgba(8,8,10,.78) 0%,rgba(8,8,10,.35) 16%,transparent 34%),
      linear-gradient(90deg,rgba(8,8,10,.95) 0%,rgba(8,8,10,.86) 46%,rgba(8,8,10,.42) 74%,rgba(8,8,10,.20) 100%),
      linear-gradient(0deg,rgba(8,8,10,.92) 0%,transparent 30%);
  }
}
@media (max-width:760px){
  .hero-meta .wrap{display:grid;grid-template-columns:1fr 1fr;gap:9px 14px;padding:13px 0 14px}
  .hero-meta div{font-size:10.5px;letter-spacing:.06em;gap:6px;white-space:nowrap}
  .hero-meta strong{font-size:11.5px}
}

/* ===== 图片尺寸修正（attribute height 不再影响布局）===== */
.about-media img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:2px}
.svc-row-media img{aspect-ratio:16/9}

/* ===== 服务页图片回到 16:9 ===== */
.svc-row-media img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
@media (max-width:760px){
  .svc-row-media img{aspect-ratio:16/10}
}

/* ===== 案例中心：3列改2列大卡片（10个正好5行，无落单）===== */
.works--grid{grid-template-columns:repeat(2,1fr);gap:22px}
.works--grid .work{aspect-ratio:16/9}
.works--grid .work:last-child:nth-child(3n+1){grid-column:auto}
.works--grid .work-info{padding:26px 26px 24px}
.works--grid .work-info h3{font-size:22px}
.works--grid .work-cat{font-size:11.5px}
.works--grid .work-desc{font-size:13.5px;max-width:34em}
@media (max-width:860px){
  .works--grid{grid-template-columns:1fr;gap:16px}
  .works--grid .work-info h3{font-size:18px}
}

/* ===== CTA：左文右图（V4）===== */
.cta.cta-split{
  display:grid;grid-template-columns:1.02fr .98fr;min-height:520px;
  background:#08080a;overflow:hidden;text-align:left;
}
.cta-split .cta-left{
  display:flex;flex-direction:column;justify-content:center;
  padding:74px 56px 74px max(28px, calc((100vw - 1240px) / 2));
  position:relative;z-index:3;
}
.cta-split .cta-left h2{font-size:clamp(28px,3.2vw,44px);line-height:1.32;font-weight:800}
.cta-split .cta-left p{margin-top:20px;font-size:14.5px;line-height:1.9;color:var(--ink-2);max-width:30em}
.cta-split .cta-left .btn{margin-top:34px;width:max-content}
.cta-split .cta-tel{margin-top:26px;font-size:23px;letter-spacing:.16em;color:var(--gold);font-family:var(--serif)}
.cta-split .cta-right{position:relative;overflow:hidden;min-height:320px}
.cta-split .cta-right img{width:100%;height:100%;object-fit:cover;object-position:56% 45%}
.cta-split .cta-right::before{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,#0a0a0c 0%,rgba(10,10,12,.72) 14%,rgba(10,10,12,.16) 42%,transparent 62%),
             linear-gradient(180deg,rgba(10,10,12,.45),transparent 26%,transparent 74%,rgba(10,10,12,.5));
}
@media (max-width:900px){
  .cta.cta-split{grid-template-columns:1fr}
  .cta-split .cta-left{padding:56px 24px 44px}
  .cta-split .cta-tel{font-size:20px}
  .cta-split .cta-right{min-height:0;height:260px}
  .cta-split .cta-right img{object-position:60% 38%}
  .cta-split .cta-right::before{
    background:linear-gradient(180deg,#08080a 0%,rgba(10,10,12,.35) 22%,rgba(10,10,12,.1) 60%,#08080a 100%);
  }
}

/* ===== CTA 分栏：覆盖旧 padding ===== */
.cta.cta-split{padding:0;text-align:left}

/* ===== 关于我们：大图 + 现场小图 ===== */
.about-media{position:relative}
.about-inset{
  position:absolute;right:-26px;bottom:-30px;width:46%;aspect-ratio:16/9;overflow:hidden;
  border:1px solid rgba(201,160,99,.75);background:#111;
  box-shadow:0 24px 60px rgba(0,0,0,.65);
}
.about-inset img{width:100%;height:100%;object-fit:cover;display:block}
.about-inset span{
  position:absolute;left:0;right:0;bottom:0;padding:8px 10px;
  font-size:10px;letter-spacing:.14em;color:#e9e5dd;
  background:linear-gradient(transparent,rgba(6,6,8,.85));
}
@media (max-width:900px){
  .about-inset{position:static;width:100%;margin-top:16px;right:auto;bottom:auto}
  .about-inset img{max-height:220px}
}

/* ===== 关于双图：手机端小图定高 ===== */
@media (max-width:900px){
  .about-inset{aspect-ratio:auto}
  .about-inset img{height:180px;width:100%;object-fit:cover;object-position:50% 45%}
  .about-inset span{font-size:9.5px;padding:6px 9px}
}