:root{
  --ink:#1c4a3c; --ink-2:#235646; --ink-3:#2c6656;
  --paper:#f6f4ec; --paper-2:#ebe7da;
  --text:#17261f; --muted:#59695f;
  --line:rgba(20,58,47,.12);
  --gold:#8e6b2c; --gold-2:#cda96a; --gold-soft:#e4d0a6;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",STSong,"SimSun",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --wrap:1100px; --r:14px;
  --shadow:0 1px 2px rgba(20,58,47,.05),0 14px 40px -18px rgba(20,58,47,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.25;margin:0;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 20px;z-index:999}
.skip:focus{left:12px;top:12px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.section{padding:clamp(56px,8vw,96px) 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.eyebrow{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:block}
.section-title{font-size:clamp(26px,3.4vw,36px);margin-bottom:12px}
.section-sub{color:var(--muted);max-width:62ch;font-size:15px;line-height:1.85}
.section-head{margin-bottom:clamp(32px,5vw,52px)}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(246,244,236,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-in{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,40px);
  height:64px;display:flex;align-items:center;gap:24px}
.brand{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.06em;white-space:nowrap}
.brand span{color:var(--gold);font-size:13px;margin-left:2px;letter-spacing:.1em}
.nav{display:flex;gap:24px;margin-left:auto;font-size:14px;color:var(--muted)}
.nav a{position:relative;padding:4px 0;transition:color .2s var(--ease)}
.nav a:hover{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .25s var(--ease)}
.nav a:hover::after{width:100%}
.top-call{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:500;
  padding:9px 18px;border-radius:999px;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.top-call:hover{background:var(--ink-3);transform:translateY(-1px)}
@media(max-width:900px){.nav{display:none}}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#edf3ee;
  background:var(--ink);
  padding:clamp(64px,9vw,110px) 0 clamp(56px,7vw,88px);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1000px 560px at 82% -6%,rgba(205,169,106,.13),transparent 62%),
    radial-gradient(900px 520px at -12% 118%,rgba(58,124,106,.38),transparent 66%),
    linear-gradient(180deg,#2a6051 0%,#1c4a3c 56%,#14352b 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000,transparent);
}
.hero-in{
  position:relative;z-index:1;max-width:var(--wrap);margin:0 auto;
  padding:0 clamp(20px,5vw,40px);
  display:grid;grid-template-columns:1.45fr .8fr;gap:clamp(32px,5vw,64px);align-items:center;
}
.hero .eyebrow{color:var(--gold-2)}
.hero .eyebrow::before{background:var(--gold-2)}
.hero h1{
  font-size:clamp(44px,7vw,76px);letter-spacing:.08em;margin:0 0 6px;
  color:#fff;font-weight:600;
}
.hero .role{font-size:clamp(15px,1.6vw,18px);color:#b8c6be;letter-spacing:.04em}
.hero .role b{font-weight:500;color:#e8efea}
.hero .lede{
  margin-top:22px;font-size:clamp(15px,1.5vw,17px);line-height:1.9;
  color:#c7d2ca;max-width:54ch;
}
.hero .lede strong{color:var(--gold-soft);font-weight:500}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold-2);color:#20180a}
.btn-gold:hover{background:var(--gold-soft)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#e8efea;background:transparent}
.btn-ghost:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06)}

.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:36px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:#b3c4ba;
}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts b{color:#e8efea;font-weight:500}

.portrait{
  position:relative;aspect-ratio:4/5;border-radius:16px;overflow:hidden;
  background:linear-gradient(160deg,var(--ink-3),#13332a);
  border:1px solid rgba(205,169,106,.28);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.75);
  display:grid;place-items:center;
}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait .mono{
  font-family:var(--serif);font-size:clamp(72px,10vw,118px);
  color:rgba(228,208,166,.34);letter-spacing:.06em;user-select:none;
}
.portrait .badge{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(20,53,43,.72);backdrop-filter:blur(8px);
  border:1px solid rgba(205,169,106,.24);border-radius:10px;
  padding:10px 14px;font-size:12.5px;color:#c7d2ca;letter-spacing:.03em;
}
@media(max-width:820px){
  .hero-in{grid-template-columns:1fr}
  .portrait{max-width:240px;order:-1}
}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(32px,5vw,64px);align-items:start}
.about-copy p+p{margin-top:18px}
.about-copy p{color:#2e3f38;font-size:16px;line-height:1.95}
.about-copy .lead{padding-left:18px;border-left:2px solid var(--gold-soft);color:var(--ink);font-size:16.5px}
.stat-box{background:#fffdf9;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.stat-box dl{display:grid;grid-template-columns:1fr 1fr;gap:22px 16px;margin:0}
.stat-box dt{font-size:11.5px;letter-spacing:.12em;color:var(--muted)}
.stat-box dd{margin:4px 0 0;font-family:var(--serif);font-size:24px;line-height:1.25;color:var(--ink)}
.stat-box dd small{font-size:13px;font-family:var(--sans);color:var(--muted);margin-left:2px}
@media(max-width:820px){.about-grid{grid-template-columns:1fr}}

/* ---------- 业务领域 ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  background:#fffdf9;border:1px solid var(--line);border-radius:var(--r);
  padding:28px 26px;position:relative;overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transition:width .35s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(142,107,44,.35)}
.card:hover::before{width:100%}
.card .num{
  font-family:var(--serif);font-size:12px;letter-spacing:.16em;color:var(--gold);
  display:block;margin-bottom:14px;
}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85}
@media(max-width:600px){.cards{grid-template-columns:1fr}}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fffdf9}
.flow li{padding:28px 24px;border-right:1px solid var(--line)}
.flow li:last-child{border-right:0}
.flow .step{font-family:var(--serif);font-size:13px;letter-spacing:.14em;color:var(--gold);display:block;margin-bottom:12px}
.flow h4{font-size:16px;margin-bottom:8px}
.flow p{font-size:13.5px;color:var(--muted);line-height:1.8}
@media(max-width:820px){
  .flow{grid-template-columns:1fr 1fr}
  .flow li:nth-child(2){border-right:0}
  .flow li:nth-child(-n+2){border-bottom:1px solid var(--line)}
}

/* ---------- 经历 ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:1px;background:var(--line)}
.timeline li{position:relative;padding-bottom:34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-30px;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:2px solid var(--gold-2);
}
.timeline .year{font-family:var(--serif);font-size:13.5px;letter-spacing:.08em;color:var(--gold);display:block;margin-bottom:6px}
.timeline h4{font-size:16.5px;margin-bottom:6px}
.timeline p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:64ch}
.edu{
  display:flex;flex-wrap:wrap;gap:8px 16px;align-items:baseline;
  margin-top:30px;padding-top:26px;border-top:1px solid var(--line);
}
.edu .k{font-size:11.5px;letter-spacing:.14em;color:var(--muted)}
.edu b{font-family:var(--serif);font-size:16.5px;color:var(--ink);font-weight:600;letter-spacing:.02em}
.edu span{font-size:14.5px;color:var(--muted)}

/* ---------- 场景 ---------- */
.cases{display:grid;gap:16px}
.case{
  background:#fffdf9;border:1px solid var(--line);border-left:3px solid var(--gold-2);
  border-radius:0 var(--r) var(--r) 0;padding:26px 28px;
  transition:border-left-color .25s var(--ease),box-shadow .25s var(--ease);
}
.case:hover{border-left-color:var(--gold);box-shadow:var(--shadow)}
.case-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tag{
  font-size:11.5px;letter-spacing:.1em;color:var(--gold);background:rgba(142,107,44,.09);
  border:1px solid rgba(142,107,44,.22);padding:3px 10px;border-radius:999px;
}
.case h3{font-size:17px;margin-bottom:12px}
.case dl{margin:0}
.case dt{font-size:11.5px;letter-spacing:.1em;color:var(--muted);margin-top:10px}
.case dd{margin:2px 0 0;font-size:14.5px;color:#2e3f38;line-height:1.85}
.case dt:first-of-type{margin-top:0}
.note{
  margin-top:20px;font-size:12.5px;color:var(--muted);line-height:1.8;
  padding:14px 18px;background:var(--paper-2);border-radius:10px;
}
.note strong{color:var(--text);font-weight:500}

/* ---------- 通栏业务卡片 ---------- */
.card.is-wide{grid-column:1 / -1}

/* ---------- 专业文章 ---------- */
.articles{display:grid;border-top:1px solid var(--line)}
.article-item{
  display:grid;grid-template-columns:92px 1fr 22px;gap:22px;align-items:baseline;
  padding:19px 4px;border-bottom:1px solid var(--line);
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.article-item:hover{background:rgba(255,253,249,.75);padding-left:14px}
.article-item time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.article-item h3{font-size:16px;font-weight:600;line-height:1.6;letter-spacing:0}
.article-item .arrow{color:var(--gold);opacity:0;justify-self:end;
  transition:opacity .25s var(--ease),transform .25s var(--ease)}
.article-item:hover .arrow{opacity:1;transform:translateX(3px)}
@media(max-width:640px){
  .article-item{grid-template-columns:1fr;gap:6px}
  .article-item .arrow{display:none}
}

/* ---------- 媒体报道 ---------- */
.press{display:grid;border-top:1px solid var(--line)}
.press-item{
  display:grid;grid-template-columns:168px 1fr;gap:26px;align-items:start;
  padding:24px 4px;border-bottom:1px solid var(--line);
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.press-item:hover{background:rgba(255,253,249,.75);padding-left:14px}
.press-meta{display:flex;flex-direction:column;gap:3px}
.press-outlet{font-family:var(--serif);font-size:14.5px;color:var(--gold);letter-spacing:.08em}
.press-meta time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.press-item h3{font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:7px}
.press-item p{font-size:14px;color:var(--muted);line-height:1.8}
.press-item:hover h3{color:var(--ink)}
@media(max-width:640px){.press-item{grid-template-columns:1fr;gap:8px}}

/* ---------- 联系 ---------- */
.contact{background:var(--ink);color:#e8efea;border-top:0;position:relative;overflow:hidden}
.contact::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 400px at 85% 10%,rgba(205,169,106,.14),transparent 62%);
}
.contact .wrap{position:relative;z-index:1}
.contact .eyebrow{color:var(--gold-2)}
.contact .eyebrow::before{background:var(--gold-2)}
.contact .section-title{color:#fff}
.contact .section-sub{color:#b3c4ba}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(32px,5vw,60px);margin-top:clamp(32px,5vw,48px)}
.contact-list{display:grid;align-content:start}
.c-item{
  display:flex;align-items:center;gap:16px;padding:18px 4px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.c-item .k{font-size:12px;letter-spacing:.14em;color:#a2b4a9;width:64px;flex:0 0 auto}
.c-item .v{font-size:16px;color:#fff;letter-spacing:.02em}
a.v:hover{color:var(--gold-soft)}
.copy{
  margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.2);color:#b3c4ba;
  font-size:12px;padding:5px 12px;border-radius:999px;cursor:pointer;font-family:inherit;
  transition:all .2s var(--ease);white-space:nowrap;
}
.copy:hover{border-color:var(--gold-2);color:var(--gold-soft)}
.copy.done{border-color:#5aa87a;color:#8fd4a8}
.hours{font-size:13px;color:#a2b4a9;margin-top:18px;letter-spacing:.02em;line-height:1.8}

.contact-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r);padding:30px;
}
.contact-card h3{color:#fff;font-size:20px;margin-bottom:10px}
.contact-card p{font-size:14px;color:#b8c6be;line-height:1.9}
.contact-card .cta-row{margin-top:20px}
.contact-card .btn-ghost{width:100%}
.contact-card .hint{font-size:12px;color:#a2b4a9;margin-top:16px;line-height:1.7}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.footer{background:#123128;color:#93a69a;font-size:13px;padding:40px 0 56px}
.footer-in{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.footer .disclaim{max-width:70ch;line-height:1.9}
.footer .disclaim b{color:#a8bab0;font-weight:500}
.footer .meta{line-height:2;text-align:right;white-space:nowrap}
.footer a:hover{color:var(--gold-soft)}
@media(max-width:700px){.footer .meta{text-align:left;white-space:normal}}

/* ---------- 移动端底部操作条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  background:rgba(18,49,40,.94);backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.12);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
}
.mobile-bar a{
  flex:1;text-align:center;padding:12px 8px;border-radius:10px;
  font-size:14px;font-weight:500;color:#e8efea;border:1px solid rgba(255,255,255,.18);
}
.mobile-bar a.primary{background:var(--gold-2);color:#20180a;border-color:transparent}
@media(max-width:760px){
  .mobile-bar{display:flex}
  .footer{padding-bottom:110px}
}

/* ---------- 滚动出现（仅在 JS 可用时启用，保证无脚本环境正文可见） ---------- */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ================= 浅色主题 ================= */
.hero{
  background:linear-gradient(180deg,#e8f0e9 0%,#f6f4ec 66%);
  color:var(--text);
}
.hero::before{
  background:
    radial-gradient(900px 520px at 84% -4%,rgba(205,169,106,.18),transparent 62%),
    radial-gradient(760px 460px at -6% 106%,rgba(28,74,60,.09),transparent 66%);
}
.hero::after{
  opacity:.6;
  background-image:linear-gradient(rgba(20,58,47,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(20,58,47,.055) 1px,transparent 1px);
}
.hero .eyebrow{color:var(--gold)}
.hero .eyebrow::before{background:var(--gold)}
.hero h1{color:var(--ink)}
.hero .role{color:#5b6c62}
.hero .role b{color:var(--ink)}
.hero .lede{color:#33443b}
.hero .lede strong{color:var(--ink);font-weight:600}
.hero-facts{border-top:1px solid rgba(20,58,47,.15);color:#5b6c62}
.hero-facts b{color:var(--ink)}

.btn-gold{background:var(--ink);color:#fff}
.btn-gold:hover{background:#25574a}
.btn-ghost{border-color:rgba(20,58,47,.26);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(28,74,60,.06)}

.portrait{
  background:linear-gradient(160deg,#e8efe8,#dae4dc);
  border-color:rgba(28,74,60,.18);
  box-shadow:0 26px 60px -30px rgba(20,58,47,.45);
}
.portrait .badge{
  background:rgba(246,244,236,.9);
  border-color:rgba(28,74,60,.16);
  color:#33443b;
}

.contact{background:#eaf0ea;color:var(--text);border-top:0}
.contact::before{
  background:radial-gradient(720px 380px at 88% -4%,rgba(205,169,106,.2),transparent 62%);
}
.contact .eyebrow{color:var(--gold)}
.contact .eyebrow::before{background:var(--gold)}
.contact .section-title{color:var(--ink)}
.contact .section-sub{color:#5b6c62}
.c-item{border-bottom-color:rgba(20,58,47,.13)}
.c-item .k{color:#788a7f}
.c-item .v{color:var(--ink)}
a.v:hover{color:var(--gold)}
.copy{border-color:rgba(20,58,47,.34);color:#46584e}
.copy:hover{border-color:var(--gold);color:var(--gold)}
.copy.done{border-color:#4a8f68;color:#2f6b4b}
.hours{color:#788a7f}
.contact-card{background:#fffdf9;border-color:rgba(20,58,47,.13)}
.contact-card h3{color:var(--ink)}
.contact-card p{color:#45574d}
.contact-card .hint{color:#788a7f}

.footer{background:#e7e3d6;color:#6b7a70}
.footer .disclaim b{color:#3a4a41}
.footer a:hover{color:var(--gold)}

.mobile-bar{
  background:rgba(246,244,236,.96);
  border-top:1px solid rgba(20,58,47,.14);
}
.mobile-bar a{color:var(--ink);border-color:rgba(20,58,47,.22)}
.mobile-bar a.primary{background:var(--ink);color:#fff;border-color:transparent}

/* ---------- 打印 / 存为 PDF ---------- */
@media print{
  @page{margin:14mm}
  body{background:#fffdf9;color:#000;font-size:11pt}
  .reveal{opacity:1!important;transform:none!important}
  .topbar,.mobile-bar,.cta-row,.portrait .badge,.copy,.skip{display:none!important}
  .hero{background:#fffdf9!important;color:#000!important;padding:0 0 18pt}
  .hero::before,.hero::after{display:none}
  .hero h1,.hero .role b,.contact .section-title,.contact-card h3{color:#000!important}
  .hero .role,.hero .lede,.hero .eyebrow,.hero-facts li{color:#333!important}
  .hero-facts{border-color:#ccc}
  .contact{background:#fffdf9!important;color:#000!important}
  .contact::before{display:none}
  .contact-card{background:#f6f6f6!important;border-color:#ddd}
  .contact-card p,.c-item .v,.footer{color:#000!important}
  .section{padding:14pt 0;break-inside:avoid}
  .card,.case,.flow,.stat-box{box-shadow:none!important;border-color:#ddd!important;background:#fffdf9!important}
  .brand{color:#000!important}
}

/* ================= 文章页 ================= */
.page-article{background:var(--paper)}
.article-head{padding:clamp(44px,6vw,76px) 0 0}
.article-head .eyebrow{margin-bottom:18px}
.article-head h1{
  font-family:var(--serif);font-size:clamp(25px,3.5vw,38px);line-height:1.5;
  letter-spacing:.01em;color:var(--ink);max-width:26em;
}
.article-meta{
  margin-top:20px;font-size:13.5px;color:var(--muted);
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
}
.article-meta .dot{opacity:.45}
.article-body{
  margin-top:clamp(26px,4vw,40px);padding-bottom:clamp(36px,5vw,56px);
  border-bottom:1px solid var(--line);max-width:74ch;
}
.article-body p{
  font-size:17px;line-height:2.05;color:#2e3f38;margin:0 0 1.4em;text-align:justify;
}
.article-body p:first-child{color:var(--ink)}
.article-foot{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:18px;
  justify-content:space-between;align-items:flex-start;
  font-size:13.5px;color:var(--muted);line-height:1.9;
}
.article-foot a{color:var(--ink);border-bottom:1px solid rgba(20,58,47,.28);padding-bottom:2px}
.article-foot a:hover{color:var(--gold);border-color:var(--gold)}
.article-nav{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:30px;padding-top:26px;border-top:1px solid var(--line);font-size:14.5px;
}
.article-nav a{color:var(--ink);max-width:46%}
.article-nav a:hover{color:var(--gold)}
.article-nav .next{text-align:right;margin-left:auto}
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;color:var(--muted);margin-bottom:26px;
}
.back-link:hover{color:var(--ink)}

/* 文章索引页 */
.post-list{display:grid;border-top:1px solid var(--line);margin-top:clamp(28px,4vw,44px)}
.post-row{
  display:grid;grid-template-columns:92px 1fr;gap:22px;align-items:baseline;
  padding:19px 4px;border-bottom:1px solid var(--line);
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.post-row:hover{background:rgba(255,253,249,.75);padding-left:14px}
.post-row time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.post-row h2{font-size:16px;font-weight:600;line-height:1.6;font-family:var(--serif)}
@media(max-width:640px){.post-row{grid-template-columns:1fr;gap:6px}}

/* 文章正文小标题 */
.article-body h2{
  font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);
  line-height:1.6;margin:2.3em 0 .85em;letter-spacing:.02em;
}
.article-body h2:first-child{margin-top:0}

/* 案例内多段落 */
.case dd + dd{margin-top:.75em}