/* ==========================================================
   Heritage 主题 —— 暗金色调 / 品牌故事型
   原创设计，无外部依赖（Google Fonts 走 <link> 单独加载，CSS 本身零引用）
   ========================================================== */

:root{
  --bg:        #0e0d0b;
  --bg-2:      #161311;
  --panel:     #1b1713;
  --panel-2:   #211c17;
  --line:      rgba(201,168,106,.20);
  --line-2:    rgba(201,168,106,.38);
  --gold:      #c9a86a;
  --gold-lt:   #e6cf9c;
  --gold-dk:   #9a7f4e;
  --ink:       #f2ece0;
  --muted:     #a99f8c;
  --muted-2:   #7c7362;
  --serif:     "Noto Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --sans:      -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --maxw:      1180px;
  --radius:    2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; color:var(--gold-lt); margin:0 0 .5em; letter-spacing:.02em; }
p{ margin:0 0 1em; color:var(--muted); }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

/* ---------- 分区通用 ---------- */
.section{ padding:88px 0; }
.section + .section{ border-top:1px solid var(--line); }
.section-head{ text-align:center; margin-bottom:56px; }
.section-head .eyebrow{
  display:inline-block; font-size:12px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--gold); margin-bottom:14px;
}
.section-head h2{ font-size:32px; margin:0 0 14px; }
.section-head p{ max-width:560px; margin:0 auto; }
.divider{
  width:64px; height:1px; margin:22px auto 0; background:var(--gold-dk);
  position:relative;
}
.divider::after{
  content:""; position:absolute; left:50%; top:50%; width:6px; height:6px;
  background:var(--gold); transform:translate(-50%,-50%) rotate(45deg);
}

/* ---------- 顶部条 + Header ---------- */
.topbar{
  background:var(--bg-2); border-bottom:1px solid var(--line);
  font-size:12.5px; color:var(--muted-2);
}
.topbar .wrap{ display:flex; justify-content:space-between; align-items:center; height:38px; }
.topbar .contact-line span{ margin-right:20px; }
.topbar .contact-line a{ color:var(--muted); }
.topbar .contact-line a:hover{ color:var(--gold); }

header.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(14,13,11,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
header.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:84px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:40px; width:auto; }
.brand .brand-text{ font-family:var(--serif); font-size:21px; color:var(--gold-lt); letter-spacing:.06em; }
.brand .brand-sub{ display:block; font-family:var(--sans); font-size:10px; letter-spacing:.28em; color:var(--muted-2); text-transform:uppercase; }

nav.main-nav ul{ display:flex; gap:2px; }
nav.main-nav a{
  display:block; padding:10px 18px; font-size:14px; letter-spacing:.04em;
  color:var(--muted); position:relative; transition:color .2s;
}
nav.main-nav li.current a,
nav.main-nav a:hover{ color:var(--gold-lt); }
nav.main-nav li.current a::after,
nav.main-nav a:hover::after{
  content:""; position:absolute; left:18px; right:18px; bottom:4px; height:1px; background:var(--gold);
}

.nav-toggle{
  display:none; width:34px; height:26px; position:relative; background:none; border:0; cursor:pointer;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:1px; background:var(--gold-lt);
}
.nav-toggle span:nth-child(1){ top:2px; }
.nav-toggle span:nth-child(2){ top:12px; }
.nav-toggle span:nth-child(3){ top:22px; }

/* ---------- Hero ---------- */
.hero{
  position:relative; padding:150px 0 130px; text-align:center; overflow:hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(201,168,106,.14), transparent 70%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
}
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, #000 0%, transparent 75%);
}
.hero .eyebrow{
  position:relative; display:inline-block; font-size:12px; letter-spacing:.36em; text-transform:uppercase;
  color:var(--gold); margin-bottom:22px;
}
.hero h1{
  position:relative; font-size:clamp(30px,5vw,52px); line-height:1.28; margin:0 auto 20px; max-width:820px;
}
.hero p{ position:relative; max-width:560px; margin:0 auto 34px; font-size:16px; }
.btn-row{ position:relative; display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

.btn{
  display:inline-block; padding:13px 32px; font-size:13.5px; letter-spacing:.12em; text-transform:uppercase;
  border:1px solid var(--gold-dk); color:var(--gold-lt); transition:all .25s; border-radius:var(--radius);
}
.btn:hover{ border-color:var(--gold); background:rgba(201,168,106,.08); }
.btn-solid{ background:var(--gold); border-color:var(--gold); color:#171310; }
.btn-solid:hover{ background:var(--gold-lt); border-color:var(--gold-lt); }

/* ---------- 故事区 ---------- */
.story{ background:var(--bg-2); }
.story .wrap{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.story-figure{
  aspect-ratio:4/5; border:1px solid var(--line); border-radius:var(--radius);
  background:
    linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 60%, var(--bg-2) 100%);
  position:relative; overflow:hidden;
}
.story-figure::before{
  content:""; position:absolute; inset:18px; border:1px solid var(--line-2);
}
.story-figure::after{
  content:"◆"; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  font-size:34px; color:var(--gold-dk); opacity:.6;
}
.story-copy .eyebrow{ display:block; font-size:12px; letter-spacing:.32em; text-transform:uppercase; color:var(--gold); margin-bottom:14px; }
.story-copy h2{ font-size:28px; }
.story-stats{ display:flex; gap:40px; margin-top:32px; padding-top:28px; border-top:1px solid var(--line); }
.story-stats div b{ display:block; font-family:var(--serif); font-size:26px; color:var(--gold-lt); }
.story-stats div span{ font-size:12px; color:var(--muted-2); letter-spacing:.08em; }

/* ---------- 亮点/系列卡片 ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.feature-card{
  border:1px solid var(--line); padding:36px 28px; background:var(--panel);
  transition:border-color .25s, transform .25s; border-radius:var(--radius);
}
.feature-card:hover{ border-color:var(--line-2); transform:translateY(-4px); }
.feature-card .num{ font-family:var(--serif); font-size:13px; color:var(--gold-dk); letter-spacing:.1em; }
.feature-card h3{ font-size:19px; margin:14px 0 10px; }
.feature-card p{ margin:0; font-size:13.5px; }

/* ---------- 新闻 / 列表 ---------- */
.news-list{ max-width:820px; margin:0 auto; }
.news-list li{
  display:flex; gap:24px; align-items:baseline; padding:22px 0;
  border-bottom:1px solid var(--line);
}
.news-list li:first-child{ border-top:1px solid var(--line); }
.news-list .date{
  flex:0 0 auto; font-family:var(--serif); font-size:13px; color:var(--gold-dk); white-space:nowrap;
}
.news-list a{ color:var(--ink); font-size:15.5px; transition:color .2s; }
.news-list a:hover{ color:var(--gold-lt); }
.news-list .cat{ flex:0 0 auto; font-size:11px; letter-spacing:.08em; color:var(--muted-2); text-transform:uppercase; }

/* 首页「新闻资讯」卡片 */
.news-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.news-card{
  display:flex; flex-direction:column; border:1px solid var(--line); background:var(--panel);
  border-radius:var(--radius); overflow:hidden; transition:border-color .25s, transform .25s;
}
.news-card:hover{ border-color:var(--line-2); transform:translateY(-4px); }
.news-card .thumb{
  aspect-ratio:16/10; overflow:hidden; background:linear-gradient(160deg,var(--panel) 0%,var(--panel-2) 60%,var(--bg-2) 100%);
  position:relative;
}
.news-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.news-card .thumb .placeholder{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:var(--gold-dk); font-size:26px; opacity:.6;
}
.news-card .body{ padding:24px 26px 28px; display:flex; flex-direction:column; flex:1; }
.news-card .date{ font-family:var(--serif); font-size:12.5px; color:var(--gold-dk); margin-bottom:10px; }
.news-card h3{ font-size:16.5px; line-height:1.5; margin:0 0 10px; }
.news-card h3 a{ color:var(--ink); }
.news-card h3 a:hover{ color:var(--gold-lt); }
.news-card p{ font-size:13.5px; margin:0; flex:1; }
.news-card .more{ margin-top:16px; font-size:12.5px; letter-spacing:.06em; color:var(--gold); }
.news-card .more:hover{ color:var(--gold-lt); }
.section-foot{ text-align:center; margin-top:44px; }

.pagination{ display:flex; justify-content:center; gap:8px; margin-top:48px; }
.pagination a, .pagination span{
  display:inline-flex; align-items:center; justify-content:center; min-width:34px; height:34px; padding:0 10px;
  border:1px solid var(--line); font-size:13px; color:var(--muted); border-radius:var(--radius);
}
.pagination a:hover{ border-color:var(--gold); color:var(--gold-lt); }
.pagination .active{ background:var(--gold); border-color:var(--gold); color:#171310; }

/* ---------- 文章正文 ---------- */
.article-wrap{ max-width:760px; margin:0 auto; }
.article-wrap .kicker{ font-size:12px; letter-spacing:.24em; text-transform:uppercase; color:var(--gold); margin-bottom:14px; }
.article-wrap h1{ font-size:30px; line-height:1.4; }
.article-meta{ font-size:13px; color:var(--muted-2); margin-bottom:36px; padding-bottom:24px; border-bottom:1px solid var(--line); }
.article-meta span + span::before{ content:"·"; margin:0 10px; color:var(--gold-dk); }
.article-body{ font-size:16px; color:var(--ink); }
.article-body p{ color:var(--ink); }
.article-body img{ margin:28px 0; border:1px solid var(--line); }
.article-body h2, .article-body h3{ margin-top:1.6em; }

.article-pager{ display:flex; justify-content:space-between; gap:24px; margin-top:48px; padding-top:24px; border-top:1px solid var(--line); }
.article-pager a{ font-size:13.5px; color:var(--muted); max-width:45%; }
.article-pager a:hover{ color:var(--gold-lt); }
.article-pager .next{ text-align:right; margin-left:auto; }

.related{ margin-top:56px; }
.related h2{ font-size:20px; }
.related ul{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px 32px; }
.related a{ font-size:14px; color:var(--muted); }
.related a:hover{ color:var(--gold-lt); }

/* ---------- 联系我们 ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; }
.contact-info li{ padding:18px 0; border-bottom:1px solid var(--line); font-size:14.5px; }
.contact-info li b{ display:block; font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--gold); margin-bottom:6px; font-weight:500; }
.contact-info a{ color:var(--ink); }
.contact-info a:hover{ color:var(--gold-lt); }

.contact-form label{ display:block; font-size:12.5px; letter-spacing:.06em; color:var(--muted); margin-bottom:20px; }
.contact-form input, .contact-form textarea{
  display:block; width:100%; margin-top:8px; padding:12px 14px; background:var(--panel);
  border:1px solid var(--line); color:var(--ink); font:inherit; border-radius:var(--radius);
}
.contact-form textarea{ min-height:110px; resize:vertical; }
.contact-form input:focus, .contact-form textarea:focus{ outline:none; border-color:var(--gold); }
.contact-form button{
  border:1px solid var(--gold); background:var(--gold); color:#171310; padding:13px 34px;
  font-size:13.5px; letter-spacing:.12em; text-transform:uppercase; cursor:pointer; border-radius:var(--radius);
}
.contact-form button:hover{ background:var(--gold-lt); border-color:var(--gold-lt); }

/* ---------- Footer ---------- */
footer.site-footer{ background:var(--bg-2); border-top:1px solid var(--line); padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px; padding-bottom:48px; }
.footer-brand .brand-text{ font-family:var(--serif); font-size:19px; color:var(--gold-lt); }
.footer-brand p{ margin-top:14px; font-size:13.5px; max-width:320px; }
.footer-col h4{ font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin-bottom:18px; font-weight:500; }
.footer-col li{ margin-bottom:10px; }
.footer-col a{ font-size:13.5px; color:var(--muted); }
.footer-col a:hover{ color:var(--gold-lt); }
.footer-bottom{
  border-top:1px solid var(--line); padding:22px 0; text-align:center;
  font-size:12px; color:var(--muted-2);
}

/* ---------- 首页 / 关于我们 通用 ---------- */
.about-hero{ text-align:center; padding:100px 0 70px; }
.about-hero h1{ font-size:36px; }
.about-hero p{ max-width:600px; margin:0 auto; }

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .story .wrap, .contact-grid{ grid-template-columns:1fr; gap:36px; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:720px){
  .topbar{ display:none; }
  nav.main-nav{
    position:fixed; inset:84px 0 0 0; background:var(--bg); border-top:1px solid var(--line);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:all .2s;
  }
  nav.main-nav.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
  nav.main-nav ul{ flex-direction:column; padding:12px 24px; }
  nav.main-nav a{ padding:16px 0; font-size:16px; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:block; }
  .section{ padding:56px 0; }
  .hero{ padding:96px 0 80px; }
  .grid-3{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .related ul{ grid-template-columns:1fr; }
}