/* =====================================================================
   镇雄一维婚礼服务 · 官网样式（暗调电影感）
   色板：曜石黑 / 炭褐 / 暖香槟金
   ===================================================================== */
:root{
  --bg:#100e0d; --bg2:#171412; --panel:#1d1916; --panel2:#221d19;
  --ink:#f2ece2; --muted:#a49a8e; --faint:#6e655c;
  --accent:#d8b98b; --accent-deep:#a9814f; --accent-soft:#ecd9b6;
  --line:rgba(216,185,139,.18); --line-soft:rgba(255,255,255,.08);
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --container:1240px; --gutter:clamp(1rem,4vw,2.6rem);
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 70px rgba(0,0,0,.45);
  --radius:3px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
.skip-link{position:fixed;left:1rem;top:-4rem;z-index:500;background:var(--accent);color:#15110e;padding:.6rem 1.2rem;font-size:.85rem;letter-spacing:.1em;transition:.3s}
.skip-link:focus{top:1rem}
.wrap{width:min(var(--container),92%);margin:0 auto}
.wrap-narrow{width:min(880px,92%);margin:0 auto}
::selection{background:var(--accent);color:#15110e}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-size:.85rem;letter-spacing:.3em;padding:.95em 2.2em;border:1px solid rgba(216,185,139,.55);color:var(--accent);transition:.35s var(--ease);white-space:nowrap;line-height:1.4}
.btn:hover{background:var(--accent);color:#16120f}
.btn.solid{background:var(--accent);color:#16120f;border-color:var(--accent)}
.btn.solid:hover{background:var(--accent-soft);border-color:var(--accent-soft)}
.btn.line{border-color:rgba(242,236,226,.35);color:var(--ink)}
.btn.line:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff}
.btn.sm{padding:.6em 1.4em;font-size:.76rem}
.btn.block{width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:200;color:var(--ink);transition:background .4s var(--ease)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:1.6rem;padding:1.3rem 0;border-bottom:1px solid rgba(255,255,255,.08);transition:.4s var(--ease)}
.site-header.sc{background:rgba(16,14,13,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.site-header.sc .bar{padding:.6rem 0;border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:.8rem;flex:none}
.brand .logo{width:46px;height:46px;object-fit:contain;border-radius:9px;background:#fff;padding:3px;flex:none;box-shadow:0 0 0 1px rgba(216,185,139,.4)}
.brand .nm b{font-family:var(--serif);font-size:1.02rem;letter-spacing:.3em;font-weight:600;display:block;line-height:1.3}
.brand .nm small{font-size:.55rem;letter-spacing:.44em;color:var(--faint);display:block}
.main-nav{display:flex;gap:1.8rem}
.main-nav a{font-size:.84rem;letter-spacing:.26em;color:var(--muted);position:relative;padding:.3rem 0;transition:.3s}
.main-nav a:hover{color:var(--accent-soft)}
.main-nav a.active{color:var(--accent-soft)}
.main-nav a.active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--accent)}
.hd-cta{display:flex;align-items:center;gap:1rem;flex:none}
.burger{display:none;flex-direction:column;gap:5px;padding:10px}
.burger span{width:26px;height:1.6px;background:var(--accent);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

/* ---------- 页面主视觉（首页全屏 / 内页横幅） ---------- */
.page-hero{position:relative;display:flex;align-items:center;min-height:100svh;overflow:hidden}
.page-hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:cin 18s var(--ease) forwards}
@keyframes cin{to{transform:scale(1)}}
.page-hero .grain{position:absolute;inset:0;background:radial-gradient(120% 90% at 20% 0%,transparent 40%,rgba(8,6,5,.4) 100%),linear-gradient(0deg,rgba(10,8,7,.92),transparent 58%)}
.page-hero .side-note{position:absolute;right:2rem;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;letter-spacing:.6em;color:rgba(242,236,226,.32);font-size:.66rem;z-index:3}
.page-hero .hero-in{position:relative;z-index:2;padding:8.5rem 0 5rem;width:100%}
.page-hero .loc{font-size:.7rem;letter-spacing:.55em;color:var(--accent);margin-bottom:1.3rem;text-transform:uppercase}
.page-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(2.1rem,5.4vw,4.3rem);line-height:1.4;letter-spacing:.08em;max-width:16em;text-wrap:balance}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero .sub{margin-top:1.2rem;color:rgba(242,236,226,.8);letter-spacing:.22em;font-size:.9rem}
.page-hero .acts{display:flex;gap:1rem;margin-top:2.4rem;flex-wrap:wrap}
.hero-scroll{position:absolute;left:50%;bottom:2.2rem;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:.5rem;color:rgba(242,236,226,.5);font-size:.6rem;letter-spacing:.5em}
.hero-scroll::before{content:"";width:1px;height:42px;background:linear-gradient(180deg,var(--accent),transparent);animation:hs 2s var(--ease) infinite}
@keyframes hs{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}}

/* 内页横幅 */
.sub-hero{position:relative;padding:clamp(7rem,14vh,9.5rem) 0 clamp(2.6rem,6vh,4rem);overflow:hidden;border-bottom:1px solid var(--line)}
.sub-hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;filter:grayscale(.3)}
.sub-hero .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,14,13,.75),var(--bg) 96%)}
.sub-hero .in{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;font-size:.74rem;letter-spacing:.18em;color:var(--faint);margin-bottom:1.3rem}
.crumbs a{color:var(--muted);transition:.3s}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-style:normal;color:var(--faint)}
.sub-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:.12em;line-height:1.4}
.sub-hero .lead{margin-top:1rem;color:var(--muted);letter-spacing:.08em;max-width:56em;font-size:.95rem}
.sub-hero .meta{margin-top:1.2rem;color:var(--faint);font-size:.72rem;letter-spacing:.24em}

/* ---------- 区块 ---------- */
.sec{padding:clamp(4.2rem,8vw,6.8rem) 0}
.sec.tight{padding:clamp(2.8rem,5vw,4rem) 0}
.sec.alt{background:var(--bg2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:clamp(2.2rem,5vw,3.6rem);flex-wrap:wrap}
.sec-head.center{text-align:center;justify-content:center;flex-direction:column;align-items:center}
.sec-head .en{font-size:.66rem;letter-spacing:.6em;color:var(--accent);text-transform:uppercase;margin-bottom:.6rem}
.sec-head h2{font-family:var(--serif);font-size:clamp(1.6rem,3.4vw,2.5rem);letter-spacing:.22em;font-weight:600;line-height:1.5}
.sec-head .aside{color:var(--faint);font-size:.8rem;letter-spacing:.14em;max-width:34em}
.sec-lead{color:var(--muted);font-size:.94rem;max-width:60em}
.hr{height:1px;background:linear-gradient(90deg,var(--line),transparent);border:0;margin:clamp(2.6rem,5vw,4rem) 0}

/* ---------- 跑马文字条 ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg2)}
.ticker ul{display:flex;gap:3rem;white-space:nowrap;padding:1rem 0;width:max-content;animation:tick 30s linear infinite}
.ticker li{font-size:.74rem;letter-spacing:.4em;color:var(--faint)}
.ticker li::before{content:"◆ ";color:var(--accent);font-size:.6rem;margin-right:1.4rem}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 结论框（GEO Answer-first） ---------- */
.answer{border-left:2px solid var(--accent);background:linear-gradient(90deg,rgba(216,185,139,.08),transparent);padding:1.5rem 1.8rem;margin-bottom:2.4rem}
.answer .lb{font-size:.68rem;letter-spacing:.4em;color:var(--accent);margin-bottom:.5rem}
.answer p{color:var(--ink);font-size:1rem;letter-spacing:.04em;line-height:2}

/* ---------- 通用排版块 ---------- */
.prose{max-width:62em}
.prose h2{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,1.8rem);letter-spacing:.14em;margin:2.6rem 0 1.1rem;line-height:1.6}
.prose h3{font-family:var(--serif);font-size:1.15rem;letter-spacing:.12em;margin:2rem 0 .8rem}
.prose p{color:var(--muted);margin-bottom:1.1rem;font-size:.96rem}
.prose ul,.prose ol{color:var(--muted);margin:0 0 1.4rem;padding-left:0}
.prose ul li,.prose ol li{position:relative;padding-left:1.6em;margin-bottom:.6rem;font-size:.95rem}
.prose ul li::before{content:"";position:absolute;left:.2em;top:.72em;width:.55em;height:.55em;border:1px solid var(--accent);transform:rotate(45deg)}
.prose ol{counter-reset:li}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;font-family:var(--serif);color:var(--accent);font-size:.85rem}
.prose .note{background:var(--panel);border:1px solid var(--line);padding:1.2rem 1.5rem;font-size:.86rem;color:var(--muted);margin:1.6rem 0}
.prose a{color:var(--accent);border-bottom:1px solid rgba(216,185,139,.4)}
.prose a:hover{color:var(--accent-soft)}
.prose table{width:100%;border-collapse:collapse;margin:1.6rem 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line-soft);padding:.8rem 1rem;text-align:left;vertical-align:top}
.prose th{background:var(--panel);color:var(--accent-soft);letter-spacing:.1em;font-weight:400}
.prose td{color:var(--muted)}
.prose time{color:var(--faint)}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2.4rem,6vw,5rem);align-items:center}
.about-txt .k{font-size:.7rem;letter-spacing:.55em;color:var(--accent);margin-bottom:1.1rem;text-transform:uppercase}
.about-txt h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.6rem,3.4vw,2.6rem);line-height:1.5;letter-spacing:.1em;margin-bottom:1.4rem}
.about-txt p{color:var(--muted);margin-bottom:1.1rem;font-size:.97rem}
.flow{margin-top:2rem;display:grid;gap:.4rem}
.flow li{display:flex;gap:1.2rem;align-items:baseline;border-bottom:1px solid rgba(216,185,139,.12);padding:.85rem 0}
.flow b{font-family:var(--serif);color:var(--accent);letter-spacing:.2em;font-size:.88rem;min-width:8em;font-weight:400;flex:none}
.flow span{color:var(--muted);font-size:.9rem}
.about-media{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
.about-media figure{overflow:hidden;position:relative}
.about-media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.about-media figure:hover img{transform:scale(1.06)}
.about-media .tall{grid-row:span 2;aspect-ratio:3/4}
.about-media .wide{aspect-ratio:4/3}
.about-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:.8rem 1rem;font-size:.66rem;letter-spacing:.3em;color:rgba(242,236,226,.88);background:linear-gradient(0deg,rgba(10,8,7,.8),transparent)}

/* ---------- 服务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.svc-card{background:linear-gradient(160deg,rgba(255,255,255,.025),transparent);border:1px solid var(--line-soft);padding:2rem 1.6rem;display:flex;flex-direction:column;gap:.7rem;transition:.4s var(--ease);position:relative}
.svc-card:hover{transform:translateY(-6px);border-color:var(--line);background:rgba(216,185,139,.05)}
.svc-card .no{font-family:var(--serif);color:var(--faint);font-size:.85rem;letter-spacing:.3em}
.svc-card h3{font-family:var(--serif);font-size:1.2rem;letter-spacing:.22em;font-weight:600}
.svc-card p{color:var(--muted);font-size:.86rem;line-height:1.9;flex:1}
.svc-card .more{color:var(--accent);font-size:.76rem;letter-spacing:.26em;margin-top:.4rem}
.svc-card .more:hover{color:var(--accent-soft)}

/* 服务页长条 */
.svc-row{display:grid;grid-template-columns:1.2fr 2fr 1fr;gap:2rem;padding:1.9rem 0;border-top:1px solid var(--line);align-items:start;transition:.4s var(--ease)}
.svc-row:last-of-type{border-bottom:1px solid var(--line)}
.svc-row:hover{padding-left:1rem}
.svc-row h3{font-family:var(--serif);font-size:clamp(1.1rem,2.2vw,1.6rem);letter-spacing:.2em;font-weight:600;line-height:1.6}
.svc-row p{color:var(--muted);font-size:.9rem;max-width:54em}
.svc-row .go{color:var(--accent);letter-spacing:.26em;font-size:.76rem;white-space:nowrap;text-align:right}

/* ---------- 案例横幅（电影感整屏） ---------- */
.case-band{position:relative;min-height:86vh;display:flex;align-items:center;overflow:hidden}
.case-band img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-band .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,8,7,.9) 0%,rgba(10,8,7,.55) 45%,rgba(10,8,7,.12) 78%)}
.case-band .inner{position:relative;z-index:2;max-width:600px}
.case-band .tag{display:inline-block;border:1px solid rgba(216,185,139,.5);color:var(--accent);font-size:.68rem;letter-spacing:.4em;padding:.4em 1.2em;margin-bottom:1.5rem}
.case-band h2{font-family:var(--serif);font-size:clamp(1.6rem,3.6vw,2.8rem);line-height:1.5;letter-spacing:.1em;font-weight:600}
.case-band p{color:rgba(242,236,226,.78);margin-top:1rem;font-size:.94rem}
.case-band .cta{margin-top:1.8rem}
.case-band.right img.bg{object-position:right}
.case-band.right .shade{background:linear-gradient(-90deg,rgba(10,8,7,.9),rgba(10,8,7,.55) 45%,rgba(10,8,7,.12) 78%)}
.case-band.right .inner{margin-left:auto;text-align:right}
.case-band.right .cta{justify-content:flex-end}

/* ---------- 作品网格 ---------- */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.work-item{position:relative;overflow:hidden;cursor:pointer;background:var(--panel)}
.work-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .9s var(--ease)}
.work-item:hover img{transform:scale(1.06)}
.work-item .cap{position:absolute;inset:auto 0 0 0;padding:1.5rem 1.1rem 1rem;background:linear-gradient(180deg,transparent,rgba(8,6,5,.9));opacity:0;transition:.4s}
.work-item:hover .cap,.work-item:focus-visible .cap{opacity:1}
.work-item .cap b{font-family:var(--serif);font-weight:600;letter-spacing:.18em;font-size:.95rem;display:block}
.work-item .cap span{color:var(--accent-soft);font-size:.68rem;letter-spacing:.32em;margin-top:.1rem;display:block}
.work-item .mask{position:absolute;inset:0;display:grid;place-items:center;background:rgba(10,8,7,.25);opacity:0;transition:.4s}
.work-item:hover .mask{opacity:1}
.work-item .mask i{font-style:normal;border:1px solid rgba(255,255,255,.7);color:#fff;padding:.5em 1.2em;font-size:.74rem;letter-spacing:.3em}
.work-grid.v{grid-template-columns:repeat(2,1fr)}
.work-grid.v .work-item img{aspect-ratio:16/9}

/* ---------- 视频卡 ---------- */
.video-item{border:1px solid var(--line-soft);overflow:hidden;background:var(--panel)}
.video-item video{width:100%;aspect-ratio:9/16;object-fit:cover;background:#000;display:block}
.video-item .vcap{padding:.9rem 1.1rem;display:flex;justify-content:space-between;gap:1rem;align-items:baseline}
.video-item .vcap b{font-family:var(--serif);font-weight:600;font-size:.92rem;letter-spacing:.16em}
.video-item .vcap span{color:var(--faint);font-size:.64rem;letter-spacing:.3em}

/* ---------- 案例筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem}
.filters button{border:1px solid var(--line-soft);color:var(--muted);font-size:.78rem;letter-spacing:.24em;padding:.55em 1.5em;transition:.3s}
.filters button:hover{color:var(--accent-soft);border-color:var(--line)}
.filters button.on{background:var(--accent);color:#16120f;border-color:var(--accent)}
.filter-group{display:none}
.filter-group.show{display:block}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line-soft);margin-bottom:.8rem;background:var(--panel2)}
.faq-item summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1.4rem;padding:1.3rem 1.6rem;cursor:pointer;font-family:var(--serif);font-size:1.02rem;letter-spacing:.08em;line-height:1.7}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ic{flex:none;width:34px;height:34px;border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);transition:.3s;font-size:1.1rem}
.faq-item[open] summary .ic{transform:rotate(45deg);background:var(--accent);color:#16120f}
.faq-item .faq-a{padding:0 1.6rem 1.5rem;color:var(--muted);font-size:.92rem}
.faq-item .faq-a p{margin-bottom:.7rem}
.faq-item .faq-a a{color:var(--accent);border-bottom:1px solid rgba(216,185,139,.4)}

/* ---------- 联系 ---------- */
.ct-wrap{display:grid;grid-template-columns:1fr 1fr;background:var(--panel);border:1px solid var(--line)}
.ct-form{padding:clamp(1.8rem,4.5vw,3.4rem)}
.ct-form h2,.ct-info h2{font-family:var(--serif);font-size:1.35rem;letter-spacing:.2em;margin-bottom:1.2rem;font-weight:600}
.ct-form .intro{color:var(--faint);font-size:.8rem;letter-spacing:.1em;margin-bottom:1.6rem}
.f{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
.f .full{grid-column:1/-1}
.f input,.f textarea,.f select{width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(216,185,139,.22);color:var(--ink);padding:.95em 1.1em;font-size:.92rem;letter-spacing:.04em;outline:0;transition:.3s;border-radius:0}
.f input:focus,.f textarea:focus,.f select:focus{border-color:var(--accent)}
.f textarea{resize:vertical;min-height:96px}
.f ::placeholder{color:#6e655c}
.f .btn{margin-top:.3rem}
.f .status{grid-column:1/-1;font-size:.84rem;letter-spacing:.06em;min-height:1.6em;color:var(--faint)}
.f .status.ok{color:#8fae9a}
.f .status.err{color:#cf8f83}
.ct-info{display:flex;flex-direction:column;gap:2rem;padding:clamp(1.8rem,4.5vw,3.4rem);border-left:1px solid var(--line);background:linear-gradient(160deg,rgba(216,185,139,.06),transparent 62%)}
.ct-info ul{display:grid;gap:1.1rem}
.ct-info li b{display:block;color:var(--accent);font-weight:400;letter-spacing:.3em;font-size:.7rem;margin-bottom:.15rem}
.ct-info li span,.ct-info li a{color:var(--muted);font-size:.94rem;letter-spacing:.05em}
.ct-info li a:hover{color:var(--accent-soft)}
.qrline{display:flex;align-items:center;gap:1.3rem;background:rgba(255,255,255,.03);border:1px solid var(--line);padding:1.1rem}
.qrline img{width:104px;height:104px;object-fit:contain;background:#fff;padding:.3rem;flex:none}
.qrline p{font-size:.82rem;color:var(--muted);letter-spacing:.12em;line-height:2.1}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;background:rgba(8,6,5,.95);opacity:0;pointer-events:none;transition:.35s}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox figure{max-width:min(90vw,1100px);max-height:88vh;display:flex;flex-direction:column;align-items:center;gap:.8rem;transform:scale(.97);transition:.35s var(--ease)}
.lightbox.open figure{transform:none}
.lightbox img{max-width:100%;max-height:80vh;object-fit:contain;box-shadow:var(--shadow)}
.lightbox figcaption{color:#cfc4b2;font-size:.8rem;letter-spacing:.24em}
.lightbox button{position:absolute;color:#fff;border:1px solid rgba(255,255,255,.3);width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;transition:.3s;background:rgba(255,255,255,.05)}
.lightbox button:hover{background:var(--accent);border-color:var(--accent);color:#16120f}
.lb-close{top:1.4rem;right:1.4rem}
.lb-prev{left:1.4rem;top:50%;transform:translateY(-50%)}
.lb-next{right:1.4rem;top:50%;transform:translateY(-50%)}

/* ---------- 移动端底部咨询栏 ---------- */
.mbar{display:none}
.mbar a{position:relative}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.6rem;padding:clamp(2.8rem,6vw,4.4rem) 0 2.4rem}
.foot-brand p{color:var(--faint);font-size:.86rem;margin-top:1.1rem;max-width:26em;letter-spacing:.06em}
.foot-col h4{font-family:var(--serif);color:var(--accent-soft);font-size:.92rem;letter-spacing:.3em;margin-bottom:1.1rem;font-weight:600}
.foot-col a,.foot-col span{display:block;color:var(--muted);font-size:.86rem;padding:.3rem 0;letter-spacing:.06em;transition:.3s}
.foot-col a:hover{color:var(--accent-soft);padding-left:.3rem}
.foot-qr{display:flex;align-items:center;gap:1rem}
.foot-qr img{width:88px;height:88px;object-fit:contain;background:#fff;padding:.25rem}
.foot-qr p{font-size:.76rem;color:var(--faint);line-height:1.9;letter-spacing:.08em}
.foot-bottom{border-top:1px solid var(--line-soft);padding:1.3rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--faint);font-size:.74rem;letter-spacing:.1em}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--accent)}
.foot-note{font-size:.7rem;color:#5d554d;letter-spacing:.06em;line-height:1.9}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:1.4rem;bottom:1.4rem;z-index:150;width:46px;height:46px;border:1px solid var(--line);background:rgba(23,20,18,.92);color:var(--accent);border-radius:50%;display:grid;place-items:center;font-size:1rem;opacity:0;pointer-events:none;transform:translateY(10px);transition:.35s}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--accent);color:#16120f}

/* ---------- 骨架 / 卡片通用 ---------- */
.panel{background:var(--panel);border:1px solid var(--line);padding:clamp(1.6rem,4vw,2.8rem)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.pill{border:1px solid var(--line);color:var(--accent-soft);display:inline-block;padding:.3em 1.1em;font-size:.72rem;letter-spacing:.26em;margin:.2em .3em .2em 0}

/* ---------- 显现动画 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc-row{grid-template-columns:1fr;gap:.7rem}
  .svc-row .go{text-align:left}
  .work-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:1000px){
  .about-grid{grid-template-columns:1fr}
  .ct-wrap{grid-template-columns:1fr}
  .ct-info{border-left:0;border-top:1px solid var(--line)}
  .case-band{min-height:72vh}
}
@media(max-width:820px){
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(80vw,340px);background:#15110f;border-left:1px solid var(--line);flex-direction:column;gap:0;padding:6.6rem 2.4rem 2.4rem;transform:translateX(100%);transition:.45s var(--ease);z-index:190;overflow-y:auto}
  .main-nav.open{transform:none}
  .main-nav a{padding:1rem 0;border-bottom:1px solid rgba(216,185,139,.12);font-size:.94rem;letter-spacing:.22em}
  .main-nav a.active::after{display:none}
  .burger{display:flex}
  .hd-cta .btn.desktop-only{display:none}
  .page-hero .side-note{display:none}
  .mbar{position:fixed;left:0;right:0;bottom:0;z-index:180;display:grid;grid-template-columns:1fr 1fr 1fr;background:rgba(16,14,13,.97);border-top:1px solid var(--line);backdrop-filter:blur(10px)}
  .mbar a{display:flex;flex-direction:column;align-items:center;gap:.1rem;padding:.7rem .2rem calc(.7rem + env(safe-area-inset-bottom));font-size:.68rem;letter-spacing:.08em;color:var(--muted)}
  .mbar a b{color:var(--accent);font-size:1.05rem;font-weight:400}
  body{padding-bottom:60px}
}
@media(max-width:600px){
  .svc-grid{grid-template-columns:1fr}
  .work-grid{grid-template-columns:1fr}
  .work-grid.v{grid-template-columns:1fr}
  .about-media{grid-template-columns:1fr}
  .about-media .tall{aspect-ratio:4/3;grid-row:auto}
  .foot-grid{grid-template-columns:1fr}
  .f{grid-template-columns:1fr}
  .f .full{grid-column:auto}
  .case-band{min-height:78vh}
  .lightbox button{width:44px;height:44px}
  .lb-prev{left:.7rem}.lb-next{right:.7rem}
  .sub-hero{padding-top:8rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* =====================================================================
   优化 v2：导航可读性 + 案例/视频布局
   ===================================================================== */
/* ---- 导航：提高对比度与字号 ---- */
.site-header{color:#f6efe4}
.brand .nm b{color:#fff}
.brand .nm small{color:rgba(242,236,226,.66)}
.main-nav a{color:#e9e0d2;font-size:.95rem;font-weight:500;letter-spacing:.16em;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.main-nav a:hover{color:#fff}
.main-nav a.active{color:var(--accent-soft)}
.main-nav a.active::after{background:var(--accent-soft)}
.site-header.sc .main-nav a{text-shadow:none}
.site-header.sc .brand .nm b{color:var(--ink)}

/* ---- 案例照片：每排更多 ---- */
.work-grid.wide{grid-template-columns:repeat(4,1fr);gap:.9rem}
.work-grid.wide .work-item img{aspect-ratio:4/3}

/* ---- 视频：多列、不裁切封面 ---- */
.video-rack{display:grid;grid-template-columns:repeat(6,1fr);gap:.9rem;align-items:start}
.video-rack .video-item{border:1px solid var(--line-soft);background:var(--panel);overflow:hidden}
.video-rack video{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:#000;display:block}
.video-rack .vcap{padding:.6rem .7rem;display:flex;flex-direction:column;gap:.1rem}
.video-rack .vcap b{font-family:var(--serif);font-size:.8rem;letter-spacing:.1em;font-weight:600}
.video-rack .vcap span{color:var(--faint);font-size:.6rem;letter-spacing:.22em}
/* 服务页内嵌视频同样不裁切 */
.video-item video{width:100%;height:auto;aspect-ratio:auto;object-fit:contain;background:#000}
.work-grid.v{grid-template-columns:repeat(3,1fr)}

@media(max-width:1180px){
  .video-rack{grid-template-columns:repeat(4,1fr)}
  .work-grid.wide{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .video-rack{grid-template-columns:repeat(3,1fr)}
  .work-grid.wide{grid-template-columns:repeat(2,1fr)}
  .work-grid.v{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .video-rack{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:420px){
  .video-rack{grid-template-columns:repeat(2,1fr)}
}

/* 优化 v3：导航字体加粗 */
.main-nav a{font-weight:700}
.main-nav a.active{font-weight:700}
.brand .nm b{font-weight:700}
@media(max-width:820px){
  .main-nav a{font-weight:700}
}

/* ================= enhance：下拉菜单 ================= */
.enhance-dropdown{}
.main-nav > a,.main-nav .nav-item > a{display:inline-block}
.nav-item{position:relative}
.nav-item .nav-parent{display:inline-flex;align-items:center;gap:.45em}
.nav-parent .caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.75;transition:.25s}
.nav-item:hover .caret{transform:rotate(180deg)}
.nav-item .drop{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:220px;background:#171310;border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.5);padding:.5rem 0;opacity:0;pointer-events:none;transition:.28s var(--ease);z-index:320}
.nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;pointer-events:auto;transform:translate(-50%,2px)}
.drop a{display:block;padding:.55rem 1.4rem;color:#cfc5b6;font-size:.86rem;letter-spacing:.12em;white-space:nowrap;transition:.25s}
.drop a:hover{color:#fff;background:rgba(216,185,139,.08)}
/* ================= enhance：微信浮标 ================= */
.wx-float{position:fixed;right:1.3rem;bottom:5.4rem;z-index:180;width:58px;height:58px;border-radius:50%;background:linear-gradient(140deg,var(--accent-soft),var(--accent-deep));color:#171310;display:grid;place-items:center;box-shadow:0 12px 30px rgba(0,0,0,.45);font-size:1.4rem;transition:.3s var(--ease)}
.wx-float:hover{transform:translateY(-3px) scale(1.04)}
.wx-float .wx-pop{position:absolute;right:0;bottom:72px;background:#171310;border:1px solid var(--line);box-shadow:0 20px 50px rgba(0,0,0,.55);padding:1rem;width:190px;text-align:center;opacity:0;pointer-events:none;transform:translateY(8px);transition:.28s var(--ease)}
.wx-float:hover .wx-pop,.wx-float:focus .wx-pop{opacity:1;pointer-events:auto;transform:none}
.wx-pop img{width:150px;height:150px;object-fit:contain;background:#fff;padding:.3rem;margin:0 auto}
.wx-pop b{display:block;margin-top:.6rem;font-family:var(--serif);font-size:.92rem;letter-spacing:.12em;color:var(--accent-soft)}
.wx-pop i{font-style:normal;color:#9c9084;font-size:.72rem;letter-spacing:.14em}
.wx-float .wx-hint{position:absolute;right:72px;top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(23,19,16,.94);border:1px solid var(--line);color:#e9e0d2;font-size:.76rem;letter-spacing:.1em;padding:.4rem .9rem;opacity:0;pointer-events:none;transition:.25s;border-radius:2px}
.wx-float:hover .wx-hint{opacity:1}
@media(max-width:820px){
  .wx-float{right:.85rem;bottom:calc(74px + env(safe-area-inset-bottom));width:52px;height:52px;font-size:1.25rem}
  .wx-float .wx-hint{display:none}
  .main-nav .drop{position:static;opacity:1;pointer-events:auto;transform:none;border:0;box-shadow:none;background:transparent;padding:0 0 .2rem .9rem;min-width:0}
  .main-nav .drop a{padding:.45rem .5rem;font-size:.86rem;border:0}
}

/* ================= enhance：导航响应式修正 ================= */
.enhance-nav-fix{}
@media(max-width:1180px){ .hd-cta .btn.desktop-only{display:none} }
@media(max-width:980px){
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(80vw,340px);background:#15110f;border-left:1px solid var(--line);flex-direction:column;gap:0;padding:6.6rem 2.4rem 2.4rem;transform:translateX(100%);transition:.45s var(--ease);z-index:190;overflow-y:auto}
  .main-nav.open{transform:none}
  .main-nav > a,.main-nav .nav-item > a{padding:1rem 0;border-bottom:1px solid rgba(216,185,139,.12);font-size:.95rem;letter-spacing:.2em;display:block}
  .nav-item .drop{position:static;opacity:1;pointer-events:auto;transform:none;border:0;box-shadow:none;background:transparent;padding:0 0 .2rem 1rem;min-width:0}
  .nav-item .drop a{padding:.5rem .4rem;font-size:.88rem;border:0}
  .burger{display:flex}
  .nav-parent .caret{display:none}
  .page-hero .side-note{display:none}
}

/* =====================================================================
   优化 v4：导航清晰度 + 下拉改为“悬停展开”
   （桌面/平板：横向导航，鼠标滑过父项才出现下拉，默认收起不堆叠；
    手机抽屉：子菜单默认收起，点击/悬停父项再展开）
   ===================================================================== */
/* 1) 顶部导航文字：更亮、更粗、更大，首屏图上始终清晰 */
.site-header{color:#f6efe4}
.main-nav a{font-size:1.02rem;font-weight:800;color:#f8f2e8;letter-spacing:.12em;text-shadow:0 1px 14px rgba(0,0,0,.75),0 0 3px rgba(0,0,0,.35)}
.main-nav a:hover{color:#fff}
.main-nav a.active{color:var(--accent-soft)}
.brand .nm b{color:#fff}
.brand .nm small{color:rgba(242,236,226,.7)}

/* 2) 未滚动时，导航所在首屏顶部加一层柔和压暗，保证对比度（滚动后自动切换为深色毛玻璃） */
.site-header:not(.sc){background:linear-gradient(180deg,rgba(8,6,5,.78),rgba(8,6,5,.34) 58%,rgba(8,6,5,0));border-bottom:0}
.site-header:not(.sc) .bar{border-bottom-color:transparent}
.site-header.sc{background:rgba(13,11,10,.92)}

/* 3) ≥761px：始终横向导航 + 悬浮下拉（覆盖旧版 980px 抽屉规则） */
@media(min-width:761px){
  .burger{display:none!important}
  .main-nav{position:static!important;transform:none!important;flex-direction:row!important;gap:1.5rem;width:auto!important;background:transparent!important;border:0!important;box-shadow:none!important;padding:0!important;overflow:visible!important;opacity:1!important;pointer-events:auto!important}
  .main-nav > a,.main-nav .nav-item > a{padding:.35rem 0;border:0!important;display:inline-block}
  .main-nav > a{border:0!important}
  /* 下拉面板：默认完全收起，悬停/键盘聚焦才展开 */
  .nav-item .drop{display:block;position:absolute;top:100%;left:50%;min-width:236px;background:rgba(21,17,14,.985);border:1px solid var(--line);box-shadow:0 18px 50px rgba(0,0,0,.55);padding:.45rem 0;opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,14px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:320}
  .nav-item:hover .drop,.nav-item:focus-within .drop{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,6px)}
  .drop a{display:block;padding:.6rem 1.5rem;color:#e8ddcd;font-size:.9rem;letter-spacing:.1em;white-space:nowrap;border:0!important;font-weight:500}
  .drop a:hover{color:#fff;background:rgba(216,185,139,.1)}
  .nav-parent .caret{display:inline-block!important}
  .nav-parent .caret{transition:transform .25s}
  .nav-item:hover .nav-parent .caret{transform:rotate(180deg)}
}
/* 901–1220px 较窄桌面/平板：压缩间距，保证横向导航放得下 */
@media(min-width:761px) and (max-width:1220px){
  .main-nav{gap:.95rem}
  .main-nav a{font-size:.9rem;letter-spacing:.05em}
  .site-header .bar{gap:.9rem;padding:1rem 0}
  .brand .nm b{font-size:.95rem;letter-spacing:.16em}
  .brand .nm small{font-size:.52rem;letter-spacing:.26em}
  .brand .logo{width:42px;height:42px}
}

/* 4) ≤760px：手机/抽屉菜单 —— 子菜单默认收起，悬停或点击父项才展开，不再直接堆砌 */
@media(max-width:760px){
  .nav-item .drop{display:none;position:static;opacity:1;visibility:visible;pointer-events:auto;transform:none;border:0;box-shadow:none;background:transparent;padding:0 0 .3rem 1rem;min-width:0;transition:none}
  .nav-item.open .drop,.nav-item:hover .drop,.nav-item:focus-within .drop{display:block}
  .nav-item .drop a{display:block;padding:.5rem .4rem;font-size:.88rem;border:0!important;color:#d9cec0;font-weight:400}
  .nav-item .drop a:hover{color:#fff;background:transparent}
  .nav-parent .caret{display:inline-block;transform:rotate(-90deg);transition:transform .25s}
  .nav-item.open .nav-parent .caret{transform:rotate(0)}
  .nav-item.open > .nav-parent{color:var(--accent-soft)}
}

/* 页脚备案信息 */
.foot-icp{display:flex;flex-wrap:wrap;justify-content:center;gap:.35rem 1.4rem;margin-top:.55rem}
.foot-icp a{color:var(--faint);font-size:.72rem;letter-spacing:.05em;transition:.25s}
.foot-icp a:hover{color:var(--accent-soft)}