/* =========================================================
   优碳健康 — 新中式编辑风设计系统
   设计概念：纸上造物。宣纸底色 · 浓墨 · 朱砂 · 细墨线
   v2 — UICraft polish pass
   ========================================================= */
:root{
  --paper:#f4ecdc;
  --paper-2:#ece2cc;
  --paper-3:#f9f3e6;
  --ink:#1e1a15;
  --ink-2:#52493c;
  --ink-3:#7c7160;
  --zhu:#a52a1e;
  --zhu-deep:#7f1f15;
  --gold:#b08d57;
  --hair:rgba(30,26,21,.18);
  --serif:"Noto Serif SC","Songti SC","SimSun","STSong",serif;
  --kai:"ZCOOL XiaoWei","Noto Serif SC","Kaiti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  font-feature-settings:"kern"1;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;mix-blend-mode:multiply;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='.04'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.25;letter-spacing:.01em}
h1,h2{font-weight:900}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
::selection{background:var(--zhu);color:var(--paper-3)}

.container{width:min(1200px,90%);margin:0 auto;position:relative;z-index:1}
section{position:relative;padding:110px 0;z-index:1}

/* 通用头部 */
.sec-head{max-width:640px;margin-bottom:64px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--serif);
  color:var(--zhu);letter-spacing:6px;font-size:13px;margin-bottom:20px;font-weight:600;
}
.sec-eyebrow::before{content:"";width:30px;height:1px;background:var(--zhu)}
.sec-title{font-size:clamp(32px,4.4vw,52px);color:var(--ink);letter-spacing:2px;margin-bottom:18px;line-height:1.18}
.sec-title b{color:var(--zhu);font-weight:900}
.sec-title em{font-style:normal}
.sec-sub{color:var(--ink-2);font-size:15px;letter-spacing:1px;line-height:1.8}

.vlabel{writing-mode:vertical-rl;font-family:var(--serif);letter-spacing:.56em;font-size:13px;color:var(--ink-3);position:absolute;left:max(16px,calc((100% - 1200px)/2 - 40px));top:110px}
.scatter{position:absolute;font-family:var(--kai);color:rgba(176,58,46,.12);font-size:150px;line-height:1;user-select:none;pointer-events:none;z-index:0}

/* ===== 顶部信息条 ===== */
.topbar{background:#000 !important;color:#fff;font-size:13.5px;letter-spacing:.5px;min-height:40px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:40px;gap:20px;background:transparent !important}
.topbar a{display:inline-flex;align-items:center;gap:7px;transition:.2s;color:#fff !important;font-weight:500;background:none !important;border:none !important;box-shadow:none !important}
.topbar a:hover{color:var(--gold) !important;background:none !important}
.topbar .contact{display:flex;gap:28px;color:#fff;flex-shrink:0;background:transparent !important}
.topbar span{color:#fff !important;font-weight:500;background:transparent !important}
.topbar .contact svg{opacity:1;stroke:#fff !important;background:transparent !important;fill:none !important}
.topbar a:visited{color:#fff !important}
.topbar *{background:transparent !important}

/* ===== 导航 ===== */
.header{position:sticky;top:0;z-index:100;background:rgba(244,236,220,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--hair)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:baseline;gap:.4em;transition:.2s}
.brand-text{font-family:var(--serif);font-weight:900;font-size:23px;letter-spacing:.14em}
.brand-text small{display:block;font-family:var(--sans);font-weight:400;font-size:10px;letter-spacing:.42em;color:var(--ink-3)}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;white-space:nowrap}
.nav-links a{padding:10px 18px;font-size:14px;color:var(--ink);letter-spacing:.06em;position:relative;transition:.2s;border-radius:2px;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;background:var(--zhu);transform:scaleX(0);transform-origin:left;transition:.25s}
.nav-links a:hover{color:var(--zhu);background:rgba(165,42,30,.06)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--zhu);background:rgba(165,42,30,.08);font-weight:500}
.nav-svc{border:1px solid var(--zhu) !important;color:var(--zhu) !important;padding:7px 16px !important;margin-left:6px;border-radius:2px;font-weight:600 !important;letter-spacing:.1em !important}
.nav-svc::after{display:none !important}
.nav-svc:hover{background:var(--zhu) !important;color:#fff8ed !important}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:1.5px;background:var(--ink);transition:.3s}

/* ===== 首页二级导航 ===== */
.sub-nav{background:var(--paper-2);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:0}
.sub-nav-links{display:flex;align-items:center;justify-content:center;gap:4px;padding:14px 0;flex-wrap:wrap}
.sub-nav-links a{font-size:13px;color:var(--ink-2);letter-spacing:.1em;padding:4px 14px;transition:.2s;font-family:var(--serif)}
.sub-nav-links a:hover{color:var(--zhu)}
.sub-sep{color:var(--ink-3);font-style:normal;font-size:12px;opacity:.4}
@media(max-width:768px){.sub-nav-links a{padding:4px 10px;font-size:12px}}

/* ===== Hero ===== */
.hero{min-height:88vh;display:flex;align-items:center;background:var(--paper);overflow:hidden}
.hero::before{content:"良心";position:absolute;font-family:var(--kai);font-size:24vw;line-height:1;color:rgba(30,26,21,.035);right:-2%;top:50%;transform:translateY(-50%);z-index:0;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.hero-kicker{display:flex;align-items:center;gap:14px;color:var(--zhu);font-family:var(--serif);letter-spacing:.5em;font-size:13px;margin-bottom:28px}
.hero-kicker i{width:52px;height:1px;background:var(--zhu)}
.hero-title{font-size:clamp(46px,6.6vw,84px);line-height:1.08;color:var(--ink);letter-spacing:.03em;font-weight:900;margin-bottom:28px}
.hero-title .ln{display:block}
.hero-title b{color:var(--zhu)}
.hero-seal{
  display:inline-block;font-family:var(--kai);color:#f5efe2;background:var(--zhu);
  font-size:.5em;font-weight:400;letter-spacing:.18em;padding:.4em .65em;
  line-height:1;vertical-align:middle;margin-left:.3em;transform:rotate(-2deg);
  box-shadow:inset 0 0 0 1px rgba(245,239,226,.35);
}
.hero-sub{color:var(--ink-2);font-size:16px;max-width:480px;margin-bottom:36px;letter-spacing:.02em;line-height:1.85}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;font-family:var(--serif);font-size:15px;letter-spacing:.14em;border-radius:2px;transition:.25s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--zhu);color:var(--paper-3);border-color:var(--zhu)}
.btn-primary:hover{background:var(--zhu-deep);border-color:var(--zhu-deep)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper-3)}
.hero-media{position:relative;padding-right:80px}
.hero-media .frame{position:relative;display:block;padding:10px;background:var(--paper-3);border:1px solid var(--ink);box-shadow:8px 10px 0 rgba(30,26,21,.06)}
.hero-media .frame::after{content:"";position:absolute;inset:2px;pointer-events:none;z-index:2;box-shadow:inset 0 0 0 1px rgba(165,42,30,.4)}
.hero-media img{width:100%;height:540px;object-fit:cover;object-position:82% 50%;display:block;position:relative;z-index:1}
.hero-media .cap{position:absolute;top:24px;left:24px;background:var(--ink);color:var(--paper-3);font-family:var(--serif);font-size:12px;letter-spacing:.2em;padding:8px 14px;z-index:3}
.hero-media .motto{position:absolute;right:10px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;font-family:var(--kai);font-size:18px;letter-spacing:.5em;color:var(--zhu);z-index:3}

/* ===== 优碳食养 ===== */
.eclipse{background:var(--paper-2);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.eclipse-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.eclipse-visual{position:relative}
.eclipse-visual img{width:100%;height:520px;object-fit:cover;filter:sepia(.12) contrast(1.02)}
.eclipse-visual::after{content:"";position:absolute;inset:16px -16px -16px 16px;border:1px solid var(--zhu);z-index:-1}
.eclipse-badge{position:absolute;right:20px;bottom:20px;background:var(--paper);color:var(--ink);padding:14px 18px;border:1px solid var(--ink)}
.eclipse-badge b{display:block;font-family:var(--serif);font-size:18px;color:var(--zhu);letter-spacing:.1em}
.eclipse-badge span{font-size:12px;letter-spacing:.1em;color:var(--ink-2)}
.eclipse-copy h3{font-size:34px;line-height:1.35;margin-bottom:22px;font-weight:900;letter-spacing:.5px}
.eclipse-copy>p{color:var(--ink-2);margin-bottom:18px;font-size:15.5px;line-height:1.85}
.eclipse-copy>p strong{color:var(--zhu);font-weight:600}
.eclipse-points{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:30px}
.e-point{background:var(--paper-3);padding:24px 24px 22px;position:relative}
.e-point b{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-size:16px;margin-bottom:8px;letter-spacing:.06em}
.e-point b::before{content:"●";font-size:7px;color:var(--zhu)}
.e-point p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.85}

/* ===== 品牌 ===== */
.brand-band{background:var(--ink);color:#d8cdbb}
.brand-band .sec-eyebrow{color:var(--gold)}
.brand-band .sec-eyebrow::before{background:var(--gold)}
.brand-band .sec-title{color:#f2e9d9}
.brand-band .sec-sub{color:#9c917e}
.slogan{font-family:var(--kai);font-size:clamp(34px,4.8vw,56px);letter-spacing:.12em;color:#f2e9d9;line-height:1.4;margin-bottom:26px}
.slogan em{color:var(--gold);font-style:normal}
.brand-desc{max-width:820px;margin:0 auto 16px;color:#b9ad98;font-size:15.5px;line-height:1.85}
.brand-desc strong{color:var(--gold);font-weight:600}
.brand-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px;text-align:left;border-top:1px solid rgba(216,205,187,.18)}
.b-col{padding:32px 28px 8px;border-left:1px solid rgba(216,205,187,.12)}
.b-col:first-child{border-left:0}
.b-col .t{color:var(--gold);font-family:var(--serif);letter-spacing:.4em;font-size:12px;margin-bottom:20px;position:relative;padding-top:6px}
.b-col .t::before{content:"";position:absolute;top:0;left:0;width:30px;height:2px;background:var(--zhu)}
.b-col h4{font-size:18px;color:#f2e9d9;margin-bottom:12px;letter-spacing:.06em}
.b-col p{font-size:13.5px;color:#a99e8a;line-height:1.9}

/* ===== 产品 ===== */
.prod-editorial{display:flex;flex-direction:column;gap:100px}
.prod-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.prod-row-reverse{direction:rtl}
.prod-row-reverse>.prod-row-img,.prod-row-reverse>.prod-row-body{direction:ltr}
.prod-row-img{position:relative;overflow:hidden}
.prod-row-img img{width:100%;height:360px;object-fit:cover;display:block;filter:sepia(.08)}
.prod-row-img::after{content:"";position:absolute;inset:12px;border:1px solid var(--ink);pointer-events:none;z-index:2}
.prod-row-img::before{content:"";position:absolute;inset:16px;border:1px solid rgba(165,42,30,.35);pointer-events:none;z-index:2}
.prod-index{position:absolute;top:28px;left:28px;font-family:var(--kai);font-size:56px;color:var(--paper-3);z-index:3;line-height:1;text-shadow:0 0 0 var(--ink),1px 1px 0 var(--ink),2px 2px 0 rgba(30,26,21,.35);-webkit-text-stroke:1px var(--ink)}
.prod-label{display:inline-block;font-size:12px;color:var(--zhu);letter-spacing:.24em;border-top:1px solid var(--zhu);border-bottom:1px solid var(--zhu);padding:4px 0;margin-bottom:20px;font-family:var(--serif)}
.prod-row-body h3{font-size:36px;line-height:1.35;margin-bottom:20px;font-weight:900;letter-spacing:.5px;color:var(--ink)}
.prod-row-body p{color:var(--ink-2);font-size:15.5px;line-height:1.9;margin-bottom:28px}
.prod-detail{max-height:0;overflow:hidden;transition:max-height .5s ease,margin .5s ease;margin:0}
.prod-row.open .prod-detail{max-height:500px;margin:16px 0 24px}
.prod-detail p{color:var(--ink-2);font-size:14px;line-height:1.9;margin:0 0 10px}
.prod-detail b{color:var(--ink);font-weight:600}
.prod-cta{display:inline-flex;align-items:center;gap:8px;font-family:var(--serif);font-size:14px;letter-spacing:.18em;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:4px;cursor:pointer;transition:.2s;user-select:none}
.prod-cta:hover{color:var(--zhu);border-color:var(--zhu)}
.prod-cta .arr{transition:.2s}
.prod-row.open .prod-cta .arr{transform:rotate(90deg)}
.prod-row.open .prod-cta{border-bottom:none;padding-bottom:0}
@media(max-width:980px){
  .prod-row{grid-template-columns:1fr;gap:36px}
  .prod-row-reverse{direction:ltr}
  .prod-row-img img{height:300px}
  .prod-row-body h3{font-size:28px}
}

/* ===== 咨询服务 ===== */
.services{padding:110px 0;background:var(--paper);position:relative}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.service-card{background:#fff8ed;border:1px solid var(--ink-line);padding:36px 28px 32px;position:relative;transition:.3s;display:flex;flex-direction:column}
.service-card:hover{box-shadow:4px 6px 0 rgba(30,26,21,.12);transform:translateY(-2px)}
.svc-hot{border:2px solid var(--zhu);background:linear-gradient(180deg,#fff8ed 0%,#fdf0e0 100%)}
.svc-badge{position:absolute;top:-1px;right:20px;background:var(--zhu);color:#fff8ed;font-size:11px;padding:4px 12px;letter-spacing:.15em;font-family:var(--serif)}
.svc-num{font-family:var(--hand);font-size:28px;color:var(--zhu);opacity:.35;margin-bottom:20px}
.svc-name{font-family:var(--serif);font-size:22px;font-weight:900;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.svc-price{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--ink-line)}
.price-unit{font-family:var(--serif);font-size:15px;color:var(--zhu);font-weight:600}
.price-num{font-family:var(--serif);font-size:36px;font-weight:900;color:var(--zhu);margin:0 2px;letter-spacing:-.02em}
.price-period{font-size:12px;color:var(--muted);letter-spacing:.08em}
.svc-list{list-style:none;margin:0 0 28px;padding:0;flex:1}
.svc-list li{position:relative;padding:7px 0 7px 18px;font-size:13.5px;color:var(--ink);line-height:1.6;border-bottom:1px dashed rgba(30,26,21,.08)}
.svc-list li::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;background:var(--zhu);transform:rotate(45deg)}
.svc-list li:last-child{border-bottom:none}
.svc-btn{display:block;text-align:center;padding:12px 0;border:1px solid var(--zhu);color:var(--zhu);font-size:14px;letter-spacing:.12em;font-family:var(--serif);font-weight:600;transition:.2s;text-decoration:none}
.svc-btn:hover{background:var(--zhu);color:#fff8ed}
.svc-hot .svc-btn{background:var(--zhu);color:#fff8ed}
.svc-hot .svc-btn:hover{background:var(--zhu-dark)}
.svc-note{text-align:center;font-size:12.5px;color:var(--muted);letter-spacing:.05em;padding-top:20px;border-top:1px solid var(--ink-line)}
.svc-note a{color:var(--zhu);text-decoration:underline;text-underline-offset:3px}
@media(max-width:960px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.service-grid{grid-template-columns:1fr}}

/* ===== 咨询服务引导（首页） ===== */
.services-entry{padding:100px 0;background:var(--paper-2);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.svc-entry-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center}
.svc-entry-btn{display:inline-block;margin-top:28px;padding:14px 36px;background:var(--zhu);color:#fff8ed;font-size:14px;letter-spacing:.15em;font-family:var(--serif);font-weight:600;text-decoration:none;transition:.2s;border:1px solid var(--zhu)}
.svc-entry-btn:hover{background:var(--zhu-dark);color:#fff}
.svc-entry-preview{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.svc-mini{background:#fff8ed;border:1px solid var(--ink-line);padding:28px 24px;transition:.2s}
.svc-mini:hover{box-shadow:3px 4px 0 rgba(30,26,21,.1);transform:translateY(-1px)}
.svc-mini-hot{border:2px solid var(--zhu);background:linear-gradient(180deg,#fff8ed 0%,#fdf0e0 100%)}
@media(max-width:768px){.svc-entry-wrap{grid-template-columns:1fr}.svc-entry-preview{grid-template-columns:1fr}}

/* ===== 图书 ===== */
.book{background:var(--paper)}
.book-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.book-cover{position:relative;max-width:340px;margin:0 auto;padding:18px 12px 40px;background:var(--paper-2);border:1px solid var(--hair)}
.book-cover::before{content:"";position:absolute;inset:-14px;border:1px solid var(--zhu);z-index:-1}
.book-cover img{filter:sepia(.1)}
.book-cover::after{content:"人民日报出版社 · 中国人口与健康出版社";position:absolute;bottom:8px;left:0;right:0;text-align:center;font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.book-badges{display:flex;gap:10px;margin-top:26px;justify-content:center}
.book-badges span{background:var(--zhu);color:var(--paper-3);font-family:var(--serif);font-size:12px;letter-spacing:.2em;padding:6px 14px}
.book-copy h3{font-size:32px;line-height:1.4;margin-bottom:20px;font-weight:900;letter-spacing:.5px}
.book-copy h3 b{color:var(--zhu)}
.book-copy>p{color:var(--ink-2);margin-bottom:16px;font-size:15.5px;line-height:1.85}
.book-copy>p b{color:var(--ink);font-family:var(--serif);font-weight:700}
.masters{display:flex;gap:0;margin-top:30px;border-top:1px solid var(--hair);padding-top:28px;flex-wrap:wrap}
.master{flex:1;min-width:180px;display:flex;align-items:center;gap:16px;padding:16px 0;border-right:1px solid var(--hair)}
.master:last-child{border-right:none}
.sl{font-family:var(--kai);font-size:24px;color:var(--ink);line-height:1.1;letter-spacing:.02em}
.sl-meta b{display:block;color:var(--zhu);font-size:12px;letter-spacing:.14em;font-weight:500;margin-bottom:2px}
.sl-meta span{font-size:12px;color:var(--ink-3);letter-spacing:.04em}

/* ===== 专家 ===== */
.team-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:50px 64px;align-items:start;border-top:1px solid var(--hair);padding-top:48px}
.member{padding:0;border:none;background:transparent}
.member.lead{grid-row:span 1}
.sig-block{display:flex;align-items:baseline;gap:12px;margin-bottom:20px;border-bottom:1px solid var(--ink);padding-bottom:6px}
.sig{font-family:var(--kai);font-size:34px;color:var(--ink);font-weight:400;letter-spacing:.03em;line-height:1.1}
.member.lead .sig{font-size:46px;letter-spacing:.06em}
.seal{display:inline-block;background:var(--zhu);color:var(--paper-3);font-family:var(--serif);font-size:12px;letter-spacing:.18em;padding:5px 9px;line-height:1;font-weight:500}
.seal-small{font-size:11px;padding:4px 7px}
.sig-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.sig-role{font-size:13px;color:var(--ink);font-weight:500}
.sig-line{width:18px;height:1px;background:var(--ink)}
.sig-pos{font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.sig-desc{font-size:13.5px;color:var(--ink-2);line-height:1.85;margin:0;max-width:300px}
@media(max-width:980px){
  .team-grid{grid-template-columns:1fr 1fr;gap:40px 50px}
  .sig{font-size:30px}
  .member.lead .sig{font-size:40px}
}
@media(max-width:620px){
  .team-grid{grid-template-columns:1fr;gap:36px}
  .sig{font-size:28px}
  .member.lead .sig{font-size:36px}
}

/* ===== 新闻 ===== */
.news{background:var(--paper);padding-bottom:0}
.news-list{display:grid;grid-template-columns:1.5fr 1fr;grid-template-rows:auto auto;gap:48px 64px;border-top:1px solid var(--hair);padding-top:48px}
.news-item{display:flex;gap:24px;text-decoration:none;color:inherit;border-bottom:1px solid var(--hair);padding-bottom:32px;transition:.2s}
.news-item:hover{border-bottom-color:var(--zhu)}
.news-item:hover .news-text h3,.news-item:hover .news-text h4{color:var(--zhu)}
.news-feature{grid-column:1/2;grid-row:1/3;flex-direction:column;gap:20px;border-right:1px solid var(--hair);padding-right:56px;padding-bottom:0;border-bottom:none}
.news-feature .news-cover{height:360px}
.news-feature .news-text h3{font-size:34px;line-height:1.4;margin-bottom:12px;font-weight:900;letter-spacing:.02em}
.news-feature .news-text p{color:var(--ink-2);font-size:15px;margin:0 0 18px;line-height:1.85}
.news-feature .news-cover{width:100%}
.news-cover{position:relative;overflow:hidden;flex:none}
.news-feature .news-cover{width:100%}
.news-item:not(.news-feature) .news-cover{width:200px;height:140px}
.news-cover img{width:100%;height:100%;object-fit:cover;filter:sepia(.1);transition:.5s}
.news-item:hover .news-cover img{transform:scale(1.05)}
.news-date{position:absolute;left:12px;top:12px;background:var(--ink);color:var(--paper-3);font-size:12px;padding:5px 12px;letter-spacing:.14em;font-family:var(--serif)}
.news-text{flex:1;display:flex;flex-direction:column;justify-content:center}
.news-tag{display:inline-block;font-size:12px;color:var(--zhu);letter-spacing:.22em;margin-bottom:10px;font-family:var(--serif)}
.news-text h3{font-size:34px;line-height:1.4;margin-bottom:12px;font-weight:900;letter-spacing:.02em}
.news-text h4{font-size:18px;line-height:1.65;margin-bottom:12px;font-weight:700;letter-spacing:.02em}
.news-detail{max-height:0;overflow:hidden;transition:max-height .5s ease;margin:0}
.news-item[data-expanded="true"] .news-detail{max-height:600px;margin:14px 0 18px}
.news-detail p{color:var(--ink-2);font-size:14px;line-height:1.9;margin:0 0 10px}
.news-feature .news-detail p{font-size:14.5px}
.news-read{font-size:13px;color:var(--ink);letter-spacing:.14em;font-family:var(--serif);border-bottom:1px solid var(--ink);padding-bottom:3px;align-self:flex-start;transition:.2s;cursor:pointer;user-select:none}
.news-item:hover .news-read{color:var(--zhu);border-color:var(--zhu)}
.news-item[data-expanded="true"] .news-read{border-bottom:none;padding-bottom:0}
@media(max-width:980px){
  .news-list{grid-template-columns:1fr;gap:36px}
  .news-feature{grid-column:1;grid-row:auto;border-right:none;padding-right:0}
  .news-feature .news-cover{height:260px}
  .news-feature .news-text h3{font-size:26px}
  .news-item:not(.news-feature){flex-direction:column;gap:14px}
  .news-item:not(.news-feature) .news-cover{width:100%;height:200px}
}

/* ===== 关于 ===== */
.about{background:var(--paper-2);border-top:1px solid var(--hair)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-copy h3{font-size:34px;line-height:1.35;margin-bottom:22px;font-weight:900;letter-spacing:.5px}
.about-copy h3 b{color:var(--zhu)}
.about-copy>p{color:var(--ink-2);margin-bottom:16px;font-size:15.5px;line-height:1.85}
.about-copy>p b{color:var(--zhu);font-weight:600}
.about-nums{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:26px}
.a-num{background:var(--paper-3);padding:24px;text-align:left;border-left:2px solid var(--zhu)}
.a-num:nth-child(odd){border-left:none}
.a-num b{font-family:var(--serif);font-size:32px;color:var(--ink);display:block;line-height:1.1;font-weight:900;margin-bottom:6px}
.a-num b em{font-size:15px;font-style:normal;color:var(--zhu)}
.a-num span{font-size:12.5px;color:var(--ink-3);letter-spacing:.12em}
.about-img{position:relative}
.about-img img{height:540px;width:100%;object-fit:cover;filter:sepia(.1)}
.about-img::after{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--zhu);z-index:-1}

/* ===== 联系 ===== */
.contact{background:var(--paper)}
.contact-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:start}
.contact-info h3{font-size:30px;margin-bottom:16px;font-weight:900}
.contact-info>p{color:var(--ink-2);margin-bottom:24px;line-height:1.85}
.contact-info>p b{color:var(--zhu)}
.c-item{display:flex;gap:18px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--hair)}
.c-item:last-child{border-bottom:none}
.c-ico{width:42px;height:42px;flex:none;border:1px solid var(--ink);display:flex;align-items:center;justify-content:center;color:var(--zhu);transition:.2s}
.c-item:hover .c-ico{background:var(--zhu);color:var(--paper-3)}
.c-ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5}
.c-item b{display:block;font-family:var(--serif);font-size:12px;color:var(--zhu);letter-spacing:.24em;margin-bottom:3px}
.c-item span{font-size:15px}
.contact-form{background:var(--paper-3);border:1px solid var(--ink);padding:40px;position:relative}
.contact-form::before{content:"";position:absolute;top:8px;left:8px;right:8px;bottom:8px;border:1px solid var(--zhu);pointer-events:none}
.contact-form h4{font-size:22px;margin-bottom:8px;font-weight:900}
.contact-form>p{font-size:13.5px;color:var(--ink-3);margin-bottom:26px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:12px;color:var(--zhu);letter-spacing:.2em;margin-bottom:8px}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:12px 14px;background:transparent;border:0;border-bottom:1px solid var(--hair);
  font-family:var(--sans);font-size:14.5px;color:var(--ink);transition:.2s;border-radius:0;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-bottom-color:var(--zhu)}
.form-group textarea{resize:vertical;min-height:96px}
.form-submit{width:100%;margin-top:6px;justify-content:center}

/* ===== 页脚 ===== */
.footer{background:var(--ink);color:#b9ad98;border-top:4px solid var(--zhu)}
.footer-main{padding:70px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px}
.footer h5{font-family:var(--serif);color:#f2e9d9;font-size:16px;margin-bottom:16px;letter-spacing:.3em}
.footer .f-brand{margin-bottom:16px}
.footer .f-brand .brand-text{color:#f2e9d9}
.footer .f-brand .brand-text small{color:#7c7160}
.footer .f-links{display:flex;flex-wrap:wrap;gap:4px}
.footer .f-links a{font-size:13.5px;padding:5px 9px;border-left:1px solid rgba(216,205,187,.2);transition:.2s}
.footer .f-links a:hover{color:var(--gold);border-left-color:var(--gold)}
.footer .f-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:13.5px;line-height:1.7}
.footer .f-item svg{width:15px;height:15px;stroke:var(--gold);fill:none;stroke-width:1.6;flex:none;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(216,205,187,.14);padding:24px 0;text-align:center;font-size:13px;letter-spacing:.04em;color:#9c917e}
.footer-bottom .container{display:flex;flex-direction:column;gap:10px;align-items:center}
.footer-bottom a{color:#c9bfae}
.footer-bottom a:hover{color:var(--gold);text-decoration:underline}
.icp-row{display:flex;gap:22px;justify-content:center;flex-wrap:wrap}

/* ===== 滚动显现 ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* 表单成功态 */
.contact-form .ok{text-align:center;padding:34px 0;color:var(--zhu);font-family:var(--serif);font-size:18px;letter-spacing:.06em}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .vlabel,.scatter{display:none}
  .nav-links{position:fixed;top:0;right:-100%;width:78%;max-width:340px;height:100vh;flex-direction:column;justify-content:center;gap:12px;background:var(--paper);border-left:1px solid var(--hair);transition:.35s;z-index:120}
  .nav-links.open{right:0}
  .nav-links a{font-size:18px}
  .nav-links a::after{display:none}
  .burger{display:flex;z-index:130}
  .burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .hero-grid,.eclipse-grid,.book-wrap,.about-grid,.contact-wrap{grid-template-columns:1fr}
  .brand-cols,.team-grid,.news-grid{grid-template-columns:1fr 1fr}
  .footer-main{grid-template-columns:1fr}
  .hero-media{order:-1;padding-right:0}
  .hero-media img{height:380px;object-position:78% 50%}
  .hero-media .motto{position:static;transform:none;writing-mode:horizontal-tb;margin-top:20px;font-size:14px;letter-spacing:.4em;text-align:center}
}
@media(max-width:620px){
  section{padding:70px 0}
  .topbar .container{justify-content:center}
  .topbar .contact a:first-child{display:none}
  .brand-cols,.team-grid,.news-grid,.eclipse-points,.about-nums,.form-row{grid-template-columns:1fr}
  .b-col{border-left:0}
}