:root{--navy:#1A2A3A;--gold:#C9A96E;--paper:#F5F0EB;--ink:#1A1A1A;--mut:#8a8175;
  --serif:'Playfair Display',Georgia,serif;--sans:'Inter',system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* 顶部品牌栏（透明→毛玻璃） */
.topbar{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;padding:22px 5vw;transition:.4s}
.topbar.solid{background:rgba(245,240,235,.82);backdrop-filter:blur(18px);
  box-shadow:0 1px 0 rgba(26,42,58,.08)}
.brand{font-family:var(--serif);font-weight:800;font-size:20px;letter-spacing:.02em;color:var(--navy)}
.brand b{color:var(--gold)}
.topnav{display:flex;gap:30px;font-size:12px;letter-spacing:.22em;text-transform:uppercase}
.topnav a{color:var(--navy);opacity:.7;transition:.3s}
.topnav a:hover{opacity:1;color:var(--gold)}

/* 英雄区 */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 5vw 9vh;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;
  animation:kenburns 22s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.16)}}
.hero__veil{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(26,42,58,.25),rgba(26,42,58,.78))}
.hero__kicker{font-family:var(--sans);font-size:12px;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px}
.hero__title{font-family:var(--serif);font-weight:800;color:#fff;font-size:clamp(34px,6vw,86px);
  line-height:1.02;max-width:16ch;text-wrap:balance}
.hero__sub{color:rgba(255,255,255,.78);margin-top:20px;font-size:16px;max-width:46ch}
.hero__btn{display:inline-block;margin-top:34px;align-self:flex-start;border:1px solid var(--gold);
  color:var(--gold);padding:15px 34px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  transition:.35s;cursor:pointer}
.hero__btn:hover{background:var(--gold);color:var(--navy)}

/* 通用区块标题 */
.sec{padding:110px 5vw}
.sec__hd{display:flex;align-items:baseline;gap:18px;margin-bottom:46px}
.sec__hd h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,4vw,46px);color:var(--navy)}
.sec__hd span{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--mut)}
.rule{height:1px;background:rgba(26,42,58,.15);flex:1}

/* 精选网格 3x2 */
.feat{display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-rows:repeat(2,240px);gap:22px}
.feat a{position:relative;overflow:hidden;display:block}
.feat a:nth-child(1){grid-column:1;grid-row:1}
.feat a:nth-child(2){grid-column:1;grid-row:2}
.feat a .ph{position:absolute;inset:0;background-size:cover;background-position:center;transition:.6s}
.feat a:hover .ph{transform:scale(1.06)}
.feat a .ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(26,42,58,.86))}
.feat a .cap{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff}
.feat a .cap .cat{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.feat a .cap .tt{font-family:var(--serif);font-weight:600;font-size:19px;line-height:1.15;margin-top:8px}
.feat a:nth-child(1) .cap .tt,.feat a:nth-child(2) .cap .tt{font-size:26px}

/* 时间轴 */
.tl{display:flex;align-items:center;gap:14px}
.tl__btn{flex:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--navy);
  background:var(--paper);color:var(--navy);font-size:18px;cursor:pointer;transition:.3s}
.tl__btn:hover{background:var(--navy);color:var(--paper)}
.tl__track{display:flex;gap:14px;overflow-x:auto;padding:6px 2px 18px;scroll-behavior:smooth}
.tl__m{flex:none;width:150px;border:1px solid rgba(26,42,58,.2);padding:18px;background:#fff;transition:.3s}
.tl__m:hover{border-color:var(--gold);transform:translateY(-4px)}
.tl__m b{display:block;font-family:var(--serif);font-size:22px;color:var(--navy)}
.tl__m span{font-size:12px;color:var(--mut);letter-spacing:.12em}
.tl__m em{display:block;font-style:normal;font-size:11px;color:var(--gold);margin-top:10px;letter-spacing:.1em}

/* 专题策展 */
.cols{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.chip{flex:none;border:1px solid var(--navy);padding:11px 22px;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;cursor:pointer;transition:.3s;background:transparent;color:var(--navy)}
.chip.on,.chip:hover{background:var(--navy);color:var(--paper)}
.crow{display:flex;gap:22px;overflow-x:auto;padding-bottom:14px;scroll-behavior:smooth}
.ccard{flex:none;width:330px;border:1px solid rgba(26,42,58,.16);background:#fff;transition:.35s}
.ccard:hover{box-shadow:0 22px 50px rgba(26,42,58,.16);transform:translateY(-6px)}
.ccard .ph{height:200px;background-size:cover;background-position:center}
.ccard .bd{padding:20px}
.ccard .bd .cat{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.ccard .bd .tt{font-family:var(--serif);font-weight:600;font-size:19px;margin-top:8px;line-height:1.2}
.ccard .bd .dt{font-size:12px;color:var(--mut);margin-top:10px}

/* 编辑手记 */
.note{background:var(--navy);color:var(--paper);padding:90px 5vw;text-align:center}
.note .ln{width:60px;height:1px;background:var(--gold);margin:0 auto 34px}
.note q{font-family:var(--serif);font-style:italic;font-size:clamp(22px,3.4vw,40px);
  line-height:1.35;max-width:24ch;display:inline-block;text-wrap:balance}
.note .by{margin-top:26px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}

/* 页脚 */
.foot{background:var(--navy);color:rgba(255,255,255,.7);padding:54px 5vw;display:flex;
  align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px}
.foot .brand{color:#fff}
.foot .social{display:flex;gap:18px;font-size:12px;letter-spacing:.2em;text-transform:uppercase}
.foot .top{color:var(--gold);cursor:pointer;font-size:12px;letter-spacing:.2em;text-transform:uppercase}

/* 详情页 */
.detail{max-width:1180px;margin:0 auto;padding:120px 5vw 100px}
.dback{position:fixed;top:20px;left:5vw;z-index:60;border:1px solid var(--navy);background:var(--paper);
  padding:9px 16px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--navy);transition:.3s}
.dback:hover{background:var(--navy);color:var(--paper)}
.dgrid{display:grid;grid-template-columns:40% 60%}
.dleft{position:sticky;top:90px;align-self:start;height:fit-content}
.dleft img{width:100%;border:1px solid rgba(26,42,58,.2)}
.dleft .meta{margin-top:18px}
.dleft .meta .cat{color:var(--gold);font-size:11px;letter-spacing:.24em;text-transform:uppercase}
.dleft .meta .dt{color:var(--mut);font-size:13px;margin-top:6px}
.dright{padding-left:54px}
.dright h1{font-family:var(--serif);font-weight:800;font-size:clamp(30px,4.6vw,58px);line-height:1.04;color:var(--navy)}
.dbody{margin-top:30px;font-size:17px;line-height:1.9}
.dbody p{margin-bottom:22px}
.dbody blockquote{margin:34px 0;padding-left:24px;border-left:3px solid var(--gold);
  font-family:var(--serif);font-style:italic;font-size:23px;line-height:1.4;color:var(--navy)}
.dfoot{display:flex;justify-content:space-between;margin-top:64px;border-top:1px solid rgba(26,42,58,.18);
  padding-top:22px;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.dfoot a:hover{color:var(--gold)}
@media(max-width:900px){.feat{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .feat a{grid-column:auto!important;grid-row:auto!important;height:230px}
  .dgrid{grid-template-columns:1fr}.dleft{position:static}.dright{padding-left:0;margin-top:30px}
  .topnav{display:none}}
@media(max-width:560px){.feat{grid-template-columns:1fr}.feat a{height:260px}
  .feat a:nth-child(1) .cap .tt,.feat a .cap .tt{font-size:20px}
  .topbar{padding:16px 5vw}.sec{padding:72px 5vw}.hero{padding-bottom:7vh}
  .foot{flex-direction:column;align-items:flex-start;gap:10px}
  .detail{padding:110px 5vw 80px}.dleft img{width:100%}}