:root{
  --wine:#8a1f2b; --wine-soft:#a8323f; --gold:#c9a36a; --ink:#1c1b19;
  --sub:#5a554f; --line:#e7e1d8; --paper:#faf8f5; --card:#ffffff;
  --shadow:0 10px 30px rgba(40,20,15,.08); --max:1120px;
}
html[data-theme="dark"]{
  --wine:#c75b66; --wine-soft:#d97b84; --gold:#d8b67e; --ink:#ece7e1;
  --sub:#b3aaa0; --line:#332e29; --paper:#16130f; --card:#1f1b16;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Songti SC","Noto Serif SC","STSong",serif;font-weight:600;letter-spacing:.04em}
a{color:var(--wine);text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
section{padding:84px 0;border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;letter-spacing:.32em;color:var(--gold);text-transform:uppercase;margin:0 0 10px}
.sec-title{font-size:clamp(24px,4vw,34px);margin:0 0 8px;position:relative;display:inline-block}
.sec-title::after{content:"";display:block;width:54px;height:3px;background:var(--wine);margin-top:12px}
.lede{color:var(--sub);max-width:760px;font-size:16.5px}

/* 导航 */
header.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 86%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;gap:16px}
.brand{font-family:"Songti SC",serif;font-weight:600;font-size:20px;letter-spacing:.08em;color:var(--ink);display:flex;align-items:center;gap:10px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--wine)}
.nav-links{display:flex;gap:22px;flex-wrap:wrap;font-size:14.5px}
.nav-links a{color:var(--sub)}
.nav-links a:hover{color:var(--wine)}
.theme-btn{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;
  padding:7px 14px;cursor:pointer;font-size:13px;transition:.25s}
.theme-btn:hover{border-color:var(--wine);color:var(--wine)}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;justify-content:center;
  text-align:center;color:#fff;overflow:hidden;border-bottom:none;padding:0}
.hero::before{content:"";position:absolute;inset:0;
  background:url("../hero.png") center/cover no-repeat;transform:scale(1.05)}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,12,10,.55),rgba(20,12,10,.78))}
.hero-in{position:relative;z-index:2;padding:40px 22px;max-width:880px}
.hero h1{font-size:clamp(34px,6vw,62px);margin:0 0 18px;letter-spacing:.06em;text-shadow:0 2px 24px rgba(0,0,0,.4)}
.hero .sub{font-size:clamp(15px,2.4vw,20px);letter-spacing:.16em;color:#f1e8df;opacity:.95}
.hero .founders{margin-top:26px;font-size:15px;letter-spacing:.1em;color:#e9ddd2}
.hero .founders b{color:#fff}
.hero .tags{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.hero .tags span{border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:6px 14px;
  font-size:13px;letter-spacing:.08em;backdrop-filter:blur(4px)}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  color:#fff;opacity:.8;font-size:13px;letter-spacing:.2em;animation:bob 2s infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* 内页小 Hero */
.hero-sm{position:relative;padding:120px 0 70px;text-align:center;background:
  linear-gradient(180deg,color-mix(in srgb,var(--wine) 10%,var(--paper)),var(--paper));border-bottom:1px solid var(--line)}
.hero-sm h1{font-size:clamp(28px,5vw,44px);margin:0 0 10px}
.hero-sm p{color:var(--sub);letter-spacing:.12em;margin:0}

/* 核心优势 */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.adv{border:1px solid var(--line);border-radius:16px;padding:26px 22px;background:var(--card);
  box-shadow:var(--shadow);transition:.3s}
.adv:hover{transform:translateY(-6px);border-color:var(--wine)}
.adv .num{font-family:"Songti SC",serif;font-size:30px;color:var(--gold);line-height:1}
.adv h3{font-size:18px;margin:14px 0 8px}
.adv p{color:var(--sub);font-size:14.5px;margin:0}

/* 网点 */
.branch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.branch{border:1px solid var(--line);border-radius:16px;padding:24px 20px;background:var(--card);
  position:relative;transition:.3s;box-shadow:var(--shadow)}
.branch:hover{transform:translateY(-6px);border-color:var(--wine)}
.branch .city{font-family:"Songti SC",serif;font-size:22px;margin:0 0 4px}
.branch .role{color:var(--wine);font-size:13.5px;letter-spacing:.06em;margin:0 0 10px}
.branch p{color:var(--sub);font-size:14px;margin:0}
.branch .badge{position:absolute;top:14px;right:14px;background:var(--wine);color:#fff;
  font-size:11px;padding:3px 9px;border-radius:999px;letter-spacing:.08em}

/* 作品入口（主页） */
.works-entry{margin-top:34px;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:linear-gradient(135deg,color-mix(in srgb,var(--wine) 14%,var(--card)),var(--card));
  box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:18px;padding:34px 32px;transition:.3s}
.works-entry:hover{border-color:var(--wine);transform:translateY(-4px)}
.works-entry .we-text{max-width:620px}
.works-entry h3{font-size:22px;margin:0 0 8px}
.works-entry p{color:var(--sub);font-size:15px;margin:0}
.works-entry .we-go{font-family:"Songti SC",serif;font-size:18px;color:var(--wine);
  border:1px solid var(--wine);border-radius:999px;padding:12px 26px;white-space:nowrap;transition:.25s}
.works-entry .we-go:hover{background:var(--wine);color:#fff}
.works-note{margin-top:18px;color:var(--sub);font-size:14px}

/* 作品索引网格（works.html） */
.works-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.work-card{display:block;border-radius:14px;overflow:hidden;aspect-ratio:3/4;position:relative;
  background:linear-gradient(135deg,#2a201c,#4a3530);color:#fff;transition:.3s}
.work-card::after{content:"";position:absolute;inset:0;background:url("../hero.png") center/cover no-repeat;
  opacity:.34;transition:transform .6s ease,opacity .4s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.work-card:hover::after{transform:scale(1.1);opacity:.5}
.work-card .cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 16px;
  background:linear-gradient(0deg,rgba(0,0,0,.74),transparent)}
.work-card .cap b{font-family:"Songti SC",serif;font-size:16px;display:block}
.work-card .cap span{font-size:12.5px;opacity:.85}

/* 单个作品图集（works/<slug>.html） */
.breadcrumb{font-size:13.5px;color:var(--sub);margin:0 0 6px;letter-spacing:.04em}
.breadcrumb a{color:var(--wine)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.tile{position:relative;aspect-ratio:3/4;border-radius:12px;overflow:hidden;
  background:linear-gradient(135deg,#2a201c,#4a3530)}
.tile::after{content:"";position:absolute;inset:0;background:url("../hero.png") center/cover no-repeat;
  opacity:.32;transition:transform .6s ease,opacity .4s}
.tile:hover::after{transform:scale(1.08);opacity:.5}
.tile .tnum{position:absolute;left:12px;top:10px;z-index:2;color:#fff;font-size:13px;
  background:rgba(0,0,0,.4);padding:3px 10px;border-radius:999px}
.work-desc{color:var(--sub);font-size:16px;max-width:780px;margin-top:18px}
.back-link{display:inline-block;margin-top:30px;color:var(--wine);border:1px solid var(--line);
  border-radius:999px;padding:10px 22px;font-size:14.5px;transition:.25s}
.back-link:hover{border-color:var(--wine);background:color-mix(in srgb,var(--wine) 8%,transparent)}

/* 关于 */
.quote-big{font-family:"Songti SC",serif;font-size:clamp(20px,3vw,28px);line-height:1.7;
  color:var(--ink);border-left:4px solid var(--wine);padding:6px 0 6px 22px;margin:24px 0;max-width:820px}
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:24px}
.about-cols p{color:var(--sub);font-size:15.5px}
.founder{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.fcard{border:1px solid var(--line);border-radius:16px;padding:24px;background:var(--card);box-shadow:var(--shadow)}
.fcard h3{font-size:19px;margin:0 0 4px}
.fcard .job{color:var(--wine);font-size:13.5px;margin:0 0 12px;letter-spacing:.04em}
.fcard p{color:var(--sub);font-size:14.5px;margin:0 0 10px}
.fcard ul{margin:6px 0 0;padding-left:18px;color:var(--sub);font-size:13.5px}
.fcard ul li{margin:3px 0}

/* FAQ */
.faq-list{margin-top:28px;max-width:860px}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:var(--card);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:18px 22px;
  font-size:16.5px;font-family:inherit;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q .plus{color:var(--wine);font-size:22px;transition:.3s;flex:none}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 22px 20px;color:var(--sub);font-size:15px;margin:0}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.cbox{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--card)}
.cbox h3{font-size:17px;margin:0 0 6px}
.cbox p{color:var(--sub);font-size:14.5px;margin:0}
.cbox a{font-weight:600}
.platforms{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.platforms a{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;color:var(--ink)}
.platforms a:hover{border-color:var(--wine);color:var(--wine)}

footer{padding:40px 0;color:var(--sub);font-size:13.5px;text-align:center;background:var(--paper)}
footer a{color:var(--wine)}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .adv-grid,.branch-grid,.works-grid{grid-template-columns:repeat(2,1fr)}
  .about-cols,.founder,.contact-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
}
@media(max-width:520px){
  section{padding:60px 0}
  .adv-grid,.branch-grid,.works-grid,.gallery{grid-template-columns:1fr}
  .hero{min-height:80vh}
}