:root{
  --navy:#0b2545; --navy2:#13315c; --blue:#1b6fb3; --gold:#c8a35a; --gold-soft:#e7d3a1;
  --ink:#1c2530; --muted:#5b6b7b; --line:#e3e8ee; --bg:#ffffff; --bg-alt:#f5f8fc; --bg-deep:#07182e;
  --maxw:1200px; --radius:14px; --shadow:0 8px 30px rgba(11,37,69,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{color:var(--navy);line-height:1.35;font-weight:700}
h2{font-size:1.6rem;margin:1.6em 0 .8em}
h3{font-size:1.2rem;margin:1.3em 0 .6em}
p{margin:.7em 0}
code{background:#eef3f9;padding:.1em .4em;border-radius:5px;font-size:.92em;color:#234}
table.data{border-collapse:collapse;width:100%;margin:1em 0;font-size:.95rem;background:#fff;box-shadow:var(--shadow)}
table.data th,table.data td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
table.data th{background:var(--navy);color:#fff;font-weight:600}
table.data tr:nth-child(even) td{background:var(--bg-alt)}
blockquote{border-left:4px solid var(--gold);background:#fbf7ee;margin:1em 0;padding:12px 16px;color:#5a4a2a;border-radius:0 10px 10px 0}
.callout.case{border:1px solid var(--gold-soft);background:linear-gradient(180deg,#fffdf6,#fbf4e3);border-radius:12px;padding:14px 18px;margin:1.4em 0;color:#5a4a2a}
.callout.case::before{content:"实践经验";display:inline-block;font-weight:700;color:var(--navy);margin-bottom:6px}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:1.05rem}
.brand em{font-style:normal;color:var(--blue);font-weight:600}
.site-nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.site-nav a{color:var(--ink);font-weight:500}
.site-nav a:hover{color:var(--blue);text-decoration:none}
.nav-cta{background:var(--navy);color:#fff!important;padding:8px 14px;border-radius:10px;font-weight:600}
.nav-cta:hover{background:var(--navy2);text-decoration:none}

/* Breadcrumb（横向“首页 / …”条） */
nav[aria-label="breadcrumb"]{margin:0 0 16px}
ol.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;list-style:none;margin:0;padding:10px 14px;background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;font-size:.9rem}
ol.breadcrumb li{display:flex;align-items:center;white-space:nowrap}
ol.breadcrumb li+li::before{content:"/";margin:0 8px 0 4px;color:#b7c4d2}
ol.breadcrumb a{color:var(--muted)}
ol.breadcrumb a:hover{color:var(--blue);text-decoration:none}
ol.breadcrumb li:last-child a{color:var(--navy);font-weight:600}

/* Float dock（左侧垂直居中） */
.float-dock{position:fixed;left:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px;z-index:60}
.dock-btn{display:flex;align-items:center;gap:7px;background:rgba(11,37,69,.92);color:#fff;border:1px solid var(--gold);border-radius:30px;padding:10px 14px;font-size:.88rem;font-weight:600;box-shadow:0 6px 20px rgba(11,37,69,.35);cursor:pointer}
.dock-btn:hover{background:var(--navy);text-decoration:none;color:#fff}
.dock-wechat{background:linear-gradient(135deg,#0b2545,#1b6fb3);border-color:var(--gold)}

/* Footer */
.site-footer{background:var(--navy);color:#cdd9e6;margin-top:50px;padding:40px 0 22px}
.footer-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.site-footer h3{color:#fff;font-size:1rem;margin:0 0 10px}
.site-footer a{color:var(--gold-soft)}
.footer-filing{display:flex;flex-wrap:wrap;gap:16px;align-items:center;border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px;font-size:.85rem}
.filing-icon{vertical-align:-2px;margin-right:4px}
.copyright{margin:0;color:#9fb0c2}

/* Article layout */
.article-wrap{padding:30px 20px 10px}
.layout{display:grid;grid-template-columns:240px minmax(0,760px);gap:32px;justify-content:center}
.toc-aside{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 110px);overflow:auto;font-size:.9rem}
.toc-aside nav,#toc{background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.toc-aside h4{margin:0 0 8px;font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.toc-aside ol,.toc-aside ul{margin:0;padding-left:18px}
.toc-aside a{color:var(--ink)}
.toc-aside a:hover{color:var(--blue)}
.post-head{margin-bottom:6px}
.post-head h1{font-size:1.9rem;margin:.2em 0 .4em}
.post-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tag-text{background:#eef3f9;color:var(--blue);border:1px solid #d8e6f3;padding:3px 10px;border-radius:20px;font-size:.82rem}
.post-body{font-size:1.02rem}
.related{margin-top:28px;border-top:1px solid var(--line);padding-top:16px}
.related ul,.item-list .item-summary{margin:0}
.related li{margin:.4em 0}
.faq details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:.6em 0;background:#fff}
.faq details[open]{border-color:var(--gold-soft)}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy)}
.faq details p{margin:.5em 0 0}

/* Lists / category */
.list-wrap{padding:30px 20px}
.layout-list{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;max-width:1100px;margin:0 auto}
.cat-side{position:sticky;top:84px;align-self:start}
.cat-title{font-size:.9rem;color:var(--muted);margin:0 0 10px;text-transform:uppercase;letter-spacing:.05em}
.category-list{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.category-list li a{display:block;padding:9px 14px;color:var(--ink);border-left:2px solid transparent;margin-left:-2px}
.category-list li.active a,.category-list li a:hover{color:var(--blue);border-left-color:var(--gold);background:var(--bg-alt);text-decoration:none}
.list-h1{font-size:1.8rem;margin:.2em 0}
.list-desc{color:var(--muted);max-width:760px}
.item-list{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.item-row{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;transition:border-color .2s,box-shadow .2s}
.item-row:hover{border-color:var(--gold-soft);box-shadow:var(--shadow)}
.item-cat{display:inline-block;background:var(--navy);color:#fff;font-size:.75rem;padding:2px 9px;border-radius:20px;margin-bottom:6px}
.item-title{margin:.2em 0;font-size:1.12rem}
.item-title a{color:var(--navy)}
.item-summary{color:var(--muted);margin:.3em 0 0}

/* Home */
.hero{background:radial-gradient(1200px 500px at 70% -10%,#1b6fb3 0%,transparent 60%),linear-gradient(160deg,#0b2545,#13315c);color:#eaf2fb;padding:64px 0 48px}
.hero-kicker{color:var(--gold-soft);font-weight:600;letter-spacing:.08em;margin:0 0 8px}
.hero-title{color:#fff;font-size:2.3rem;line-height:1.3;margin:0 0 14px}
.hero-sub{color:#c7d6e6;max-width:760px;font-size:1.02rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}
.btn{display:inline-block;padding:11px 20px;border-radius:10px;font-weight:600;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff}
.btn-ghost{background:transparent;color:#eaf2fb;border-color:rgba(255,255,255,.4)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#e7d3a1);color:#3a2c0c;border-color:var(--gold)}
.btn:hover{text-decoration:none;opacity:.94}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;list-style:none;padding:0;margin:26px 0 0}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{color:#fff;font-size:1.5rem}
.hero-stats span{color:#a9c0d8;font-size:.85rem}
.section{padding:54px 0}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center;font-size:1.8rem;margin:0 0 .3em}
.section-lead{text-align:center;color:var(--muted);max-width:720px;margin:0 auto 28px}
.family-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.family-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.family-card h3{margin-top:0}
.link-more{color:var(--blue);font-weight:600}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.cap h4{margin:0 0 6px;color:var(--navy)}
.cap p{margin:0;color:var(--muted);font-size:.95rem}
.center{text-align:center;margin-top:24px}
.section-cta{background:linear-gradient(135deg,#0b2545,#1b6fb3);color:#eaf2fb}
.cta-inner{text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{color:#fff}
.cta-inner p{color:#c7d6e6}
.home-list .item-row{max-width:none}

/* Page */
.page-wrap{padding:36px 20px;max-width:860px;margin:0 auto}
.page-post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;box-shadow:var(--shadow)}

/* Card page (glassmorphism, deep blue + gold) */
.card-stage{background:radial-gradient(900px 500px at 80% 0%,#1b6fb3 0%,transparent 55%),linear-gradient(160deg,#07182e,#0b2545);min-height:calc(100vh - 64px);padding:60px 20px;color:#eaf2fb}
.card-stage-inner{display:flex;flex-direction:column;align-items:center}
.glass-card{position:relative;width:min(420px,92vw);background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.04));border:1.5px solid var(--gold);border-radius:22px;padding:32px 30px;backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.25);overflow:hidden}
.glass-glow{position:absolute;top:-60px;right:-60px;width:180px;height:180px;background:radial-gradient(circle,rgba(200,163,90,.55),transparent 70%);filter:blur(10px)}
.glass-head{position:relative;text-align:center;margin-bottom:18px}
.glass-kicker{color:var(--gold-soft);letter-spacing:.12em;font-size:.8rem;margin:0 0 6px}
.glass-title{color:#fff;font-size:1.5rem;margin:0}
.glass-sub{color:#bcd0e6;margin:6px 0 0;font-size:.95rem}
.qr-box{position:relative;background:#fff;border-radius:16px;padding:16px;display:flex;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.qr-box svg{width:100%;height:auto;max-width:260px;display:block}
.qr-tip{text-align:center;color:#bcd0e6;font-size:.86rem;margin:12px 0 14px}
.glass-btn{display:block;text-align:center;width:100%}
.glass-meta{list-style:none;padding:0;margin:18px 0 0;font-size:.88rem;color:#cfe0f1}
.glass-meta li{padding:6px 0;border-top:1px solid rgba(255,255,255,.12)}
.card-foot{color:#9fb0c2;font-size:.85rem;margin-top:20px;text-align:center}

/* Responsive */
@media (max-width:1100px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .toc-aside{position:static;max-height:none;margin-bottom:18px}
  .family-grid,.cap-grid{grid-template-columns:1fr}
  .layout-list{grid-template-columns:1fr}
  .cat-side{position:static}
}
@media (max-width:640px){
  .hero-title{font-size:1.7rem}
  .footer-inner{grid-template-columns:1fr}
  .site-nav{display:none}
  .float-dock{left:8px;gap:8px}
  .dock-btn{padding:9px 11px}
  .dock-btn span{display:none}
  ol.breadcrumb{font-size:.82rem;padding:8px 10px}
}