:root{--blue:#246fe5;--deep:#0b1736;--ink:#17233f;--muted:#64748b;--line:#dce7f6;--soft:#f3f7fd;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:linear-gradient(180deg,#eef5ff 0,#fff 520px);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.read-progress{position:fixed;z-index:90;left:0;top:0;width:0;height:3px;background:linear-gradient(90deg,#2563eb,#60a5fa);box-shadow:0 0 12px rgba(37,99,235,.5)}
.article-nav{position:sticky;z-index:60;top:0;height:68px;background:rgba(255,255,255,.93);border-bottom:1px solid rgba(213,226,244,.9);backdrop-filter:blur(14px)}
.nav-inner,.article-shell,.hero-inner,.more-inner{width:min(1180px,calc(100% - 40px));margin:auto}
.nav-inner{height:100%;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;color:#0d1c3d}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,#1d4ed8,#64b5ff);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.25)}
.back-link{margin-left:auto;color:#356080;font-size:14px;font-weight:700;transition:.2s}
.back-link:hover{color:var(--blue)}
.nav-phone{padding:9px 15px;border-radius:999px;background:#eaf3ff;color:#155bc7;font-weight:800;font-size:13px}
.article-hero{padding:74px 0 54px;position:relative;overflow:hidden}
.article-hero:before,.article-hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.article-hero:before{width:440px;height:440px;right:-160px;top:-220px;background:radial-gradient(circle,rgba(64,150,255,.2),transparent 68%)}
.article-hero:after{width:300px;height:300px;left:-180px;bottom:-180px;background:radial-gradient(circle,rgba(29,78,216,.12),transparent 68%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px;position:relative}
.crumb{display:flex;gap:9px;align-items:center;color:#6a7c98;font-size:13px;margin-bottom:20px}.crumb a:hover{color:var(--blue)}
.article-tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:#e3efff;color:#145ecf;font-size:12px;font-weight:900;letter-spacing:.08em}
.article-hero h1{margin:18px 0 19px;font-size:clamp(34px,4.3vw,55px);line-height:1.22;letter-spacing:-.035em;color:#0e1f46}
.article-deck{max-width:700px;color:#5b6f90;font-size:17px;line-height:1.85;margin:0 0 23px}
.article-meta{display:flex;gap:20px;flex-wrap:wrap;color:#72829d;font-size:13px}.article-meta b{color:#325f9b}.article-meta span{display:flex;align-items:center;gap:7px}
.hero-image{position:relative;border-radius:26px;overflow:hidden;background:#dcecff;box-shadow:0 28px 70px rgba(25,68,135,.18);aspect-ratio:4/5;border:1px solid rgba(255,255,255,.8)}
.hero-image img{width:100%;height:100%;object-fit:cover;object-position:center top}
.hero-image:after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);pointer-events:none}
.article-shell{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:48px;align-items:start;padding:34px 0 90px}
.article-main{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(25px,4.2vw,58px);box-shadow:0 18px 55px rgba(24,65,125,.08);min-width:0}
.article-lead{padding:20px 23px;margin:0 0 34px;border-left:4px solid var(--blue);border-radius:0 14px 14px 0;background:linear-gradient(90deg,#edf5ff,#f8fbff);color:#425a7a;font-size:16px}
.article-content{font-size:17px;color:#31425f;overflow-wrap:anywhere}
.article-content p{margin:0 0 22px;text-align:justify}
.article-content h2,.article-content h3,.article-content h4,.article-content h5{scroll-margin-top:94px;color:#102653;line-height:1.45;margin:46px 0 18px;letter-spacing:-.01em}
.article-content h2{font-size:30px}.article-content h3{font-size:25px}.article-content h4{font-size:21px;padding-left:15px;border-left:4px solid #4f93f2}.article-content h5{font-size:18px}
.article-content ol,.article-content ul{margin:18px 0 28px;padding:20px 24px 20px 47px;background:#f7faff;border:1px solid #e2ebf8;border-radius:15px}
.article-content li{margin:9px 0;padding-left:3px}
.article-content strong,.article-content b{color:#183d7a}
.article-content img{width:auto;max-height:760px;margin:34px auto;border-radius:18px;box-shadow:0 16px 44px rgba(17,48,96,.15);border:1px solid #e2eaf5;object-fit:contain;background:#f7faff}
.article-content table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;display:block;overflow:auto}.article-content th,.article-content td{padding:12px 14px;border:1px solid #dbe5f3;min-width:130px}.article-content th{background:#eaf3ff;color:#174b96}
.article-content blockquote{margin:28px 0;padding:22px 25px;border-radius:15px;background:#102f6f;color:#eef6ff}
.article-content a{color:#1769dc;text-decoration:underline;text-underline-offset:3px}
.article-end{margin-top:52px;padding-top:28px;border-top:1px solid #e2eaf5;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#7585a0;font-size:13px}
.return-news{display:inline-flex;padding:11px 17px;border-radius:10px;background:#1769dc;color:#fff!important;text-decoration:none!important;font-weight:800}
.article-aside{position:sticky;top:92px;display:grid;gap:18px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 12px 34px rgba(24,65,125,.07)}
.aside-card h2{font-size:17px;margin:0 0 15px;color:#152a53}.aside-card h2:before{content:"";display:inline-block;width:4px;height:16px;margin-right:9px;border-radius:5px;background:#2e7bea;vertical-align:-2px}
.toc{display:grid;gap:4px;max-height:48vh;overflow:auto;padding-right:4px}.toc a{padding:7px 9px;border-radius:8px;color:#63738d;font-size:13px;line-height:1.5;transition:.2s}.toc a:hover,.toc a.active{background:#edf5ff;color:#1769dc}
.consult-card{background:linear-gradient(145deg,#123f9d,#2478e8);color:#fff;border:0}.consult-card h2{color:#fff}.consult-card h2:before{background:#9bd1ff}.consult-card p{font-size:13px;color:#d6e7ff}.consult-card strong{display:block;font-size:21px;margin:12px 0 15px}.consult-card a{display:block;text-align:center;background:#fff;color:#155bc7;border-radius:9px;padding:10px;font-size:13px;font-weight:900}
.article-more{padding:58px 0;background:#0c1b3f;color:#fff}.more-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.article-more h2{font-size:30px;margin:0 0 5px}.article-more p{margin:0;color:#aebedb}.more-button{white-space:nowrap;border:1px solid #6eaaff;border-radius:10px;padding:12px 20px;color:#fff;font-weight:800}.more-button:hover{background:#fff;color:#185fcd}
.article-footer{padding:25px 0;background:#07132f;color:#91a3c2;text-align:center;font-size:12px}
@media(max-width:980px){.hero-inner{grid-template-columns:1fr}.hero-image{max-width:620px;aspect-ratio:16/9}.article-shell{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:1fr 1fr}.toc-card{display:none}}
@media(max-width:640px){.nav-inner,.article-shell,.hero-inner,.more-inner{width:min(100% - 28px,1180px)}.article-nav{height:62px}.brand{font-size:18px}.nav-phone{display:none}.article-hero{padding:45px 0 35px}.article-hero h1{font-size:33px}.article-deck{font-size:15px}.hero-image{border-radius:18px;aspect-ratio:16/10}.article-shell{padding-top:20px;gap:25px}.article-main{border-radius:17px;padding:23px}.article-content{font-size:16px}.article-content h2{font-size:25px}.article-content h3{font-size:22px}.article-content h4{font-size:19px}.article-content img{border-radius:12px}.article-end{align-items:flex-start;flex-direction:column}.article-aside{grid-template-columns:1fr}.more-inner{align-items:flex-start;flex-direction:column}.article-more h2{font-size:25px}}

/* Android、iOS、Windows 与 macOS 跨端兼容 */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(82px + env(safe-area-inset-top))}
body{min-width:320px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
button,a,input,textarea{touch-action:manipulation}.article-nav{-webkit-backdrop-filter:blur(14px);padding-top:env(safe-area-inset-top);height:calc(68px + env(safe-area-inset-top))}.article-footer{padding-bottom:calc(25px + env(safe-area-inset-bottom))}.article-content table,.toc{-webkit-overflow-scrolling:touch}.hero-inner>*{min-width:0}
:focus-visible{outline:3px solid rgba(37,99,235,.45);outline-offset:3px}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.article-nav{background:#fff}}
@media(max-width:640px){.article-nav{height:calc(62px + env(safe-area-inset-top))}.article-hero{padding-top:calc(45px + env(safe-area-inset-top))}.article-hero h1{font-size:clamp(30px,9vw,36px);overflow-wrap:anywhere}.article-deck{text-align:left}.article-content p{text-align:left}.article-main{padding:clamp(18px,5.5vw,25px)}.article-content table{font-size:13px}.article-more{padding-bottom:calc(58px + env(safe-area-inset-bottom))}}
@media(max-width:380px){.nav-inner,.article-shell,.hero-inner,.more-inner{width:min(100% - 20px,1180px)}.brand{font-size:16px}.back-link{font-size:12px}.article-hero h1{font-size:29px}.article-lead{padding:16px}.article-content{font-size:15px}}
@media print{.read-progress,.article-nav,.article-aside,.article-more{display:none!important}.article-hero{padding:24px 0;background:#fff}.hero-inner{display:block}.hero-image{max-width:420px;margin:25px 0}.article-shell{display:block;padding:20px 0}.article-main{border:0;box-shadow:none;padding:0}.article-content a{color:#111}}

.editorial-note{margin:22px 0;padding:18px 20px;border-left:4px solid #2563eb;border-radius:0 12px 12px 0;background:#edf5ff;color:#4b5e7d}.editorial-note p{margin:6px 0}.editorial-note a{color:#1769e0;font-weight:800}.article-related{margin:38px 0 10px}.article-related h2{font-size:24px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-grid a{display:block;padding:16px;border:1px solid #dce8f8;border-radius:12px;background:#f8fbff}.related-grid b,.related-grid span{display:block}.related-grid span{color:#6c7f9c;font-size:12px;margin-top:5px}@media(max-width:720px){.related-grid{grid-template-columns:1fr}}