:root{color-scheme:light;font-family:"Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;background:#f5f7f8;color:#1d2830}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f5f7f8;color:#1d2830;line-height:1.82}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.site-header{position:relative;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid #e3e8eb;box-shadow:0 4px 18px rgba(24,42,52,.04)}.header-row{display:flex;align-items:center;justify-content:space-between;min-height:78px}.brand-mark{display:flex;align-items:center;gap:10px}.brand-mark img{width:46px;height:46px}.brand-mark span{display:grid;line-height:1.2}.brand-mark strong{font-size:19px}.brand-mark small{margin-top:4px;color:#77838b;font-size:11px;font-weight:400;letter-spacing:.12em}.site-nav{display:flex;align-items:center;gap:9px}.site-nav a{padding:8px 13px;border-radius:999px;color:#43505a;font-size:15px}.site-nav a:hover,.site-nav a[aria-current=page]{color:#fff;background:var(--brand)}.nav-toggle{display:none}
.brand-hero{padding:38px 0 42px;background:linear-gradient(180deg,#fff,#edf2f3)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:34px;align-items:stretch}.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:35px 8px 35px 10px}.hero-kicker{margin:0 0 10px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.22em}.hero-title{max-width:650px;font-size:clamp(42px,6vw,72px);font-weight:760;letter-spacing:-.045em;line-height:1.08}.hero-tagline{max-width:620px;margin:18px 0;color:#55636c;font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-actions a{padding:10px 18px;border:1px solid var(--brand);border-radius:7px;color:var(--brand);font-weight:700}.hero-actions a:first-child{color:#fff;background:var(--brand)}.domain-chip{align-self:flex-start;margin-top:20px;padding:5px 12px;border-radius:999px;color:#6d7880;background:#e7ecee;font-size:12px}.hero-visual{position:relative;min-height:310px;border-radius:24px;background:#27434a url("hero.webp") center/cover;overflow:hidden;box-shadow:0 22px 60px rgba(26,52,61,.18)}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(4,25,29,.08),rgba(4,25,29,.56))}.visual-badge{position:absolute;z-index:1;right:22px;bottom:22px;display:flex;align-items:center;gap:12px;padding:12px 18px;border:1px solid rgba(255,255,255,.38);border-radius:14px;color:#fff;background:rgba(13,35,40,.72);backdrop-filter:blur(8px)}.visual-badge img{width:54px;height:54px}.visual-badge span{font-size:20px;font-weight:700}
.page-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;padding-block:38px 50px;align-items:start}.content-column{min-width:0}.article-page,.static-page{padding:38px 42px 48px;border:1px solid #e2e7e9;border-radius:16px;background:#fff;box-shadow:0 12px 35px rgba(25,41,50,.055)}.breadcrumbs{margin:0 0 24px;color:#76828a;font-size:13px}.breadcrumbs a:hover{color:var(--brand)}.page-title{margin:0;max-width:760px;font-size:clamp(34px,4.6vw,52px);font-weight:720;letter-spacing:-.035em;line-height:1.22;text-align:left}.post-meta{display:flex;gap:14px;flex-wrap:wrap;margin:16px 0 30px;padding-bottom:18px;border-bottom:1px solid #e6eaec;color:#7b878f;font-size:12px}.lead{padding:19px 22px;border-left:4px solid var(--brand);border-radius:0 10px 10px 0;background:#f1f8f7;font-size:17px;font-weight:700}.article-body h2,.static-page h2{margin:38px 0 12px;font-size:25px;line-height:1.4}.article-body h3{margin:25px 0 8px}.article-body p,.static-page p{margin:0 0 16px}.article-body ul,.static-page ul{padding-left:1.25em}.article-body li{margin:6px 0}.article-figure{margin:27px 0}.article-figure img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:#e7ecee}.article-figure figcaption{padding:8px 2px;color:#6b777f;font-size:12px}.article-figure .credit{display:block;margin-top:2px;font-size:11px}.article-figure .credit a{text-decoration:underline}
.sidebar{display:grid;gap:20px;position:sticky;top:18px}.sidebar-card{padding:22px;border:1px solid #e2e7e9;border-radius:14px;background:#fff;box-shadow:0 9px 28px rgba(25,41,50,.045)}.profile-card{text-align:left;background:linear-gradient(145deg,#fff,#f0f6f5)}.profile-symbol{display:flex;align-items:center;justify-content:center;width:76px;height:76px;margin-bottom:15px;border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(20,50,54,.11)}.profile-logo{width:58px}.profile-title{font-size:22px;font-weight:750}.profile-note{margin:6px 0 14px;color:#647079;font-size:14px;line-height:1.7}.profile-link{display:inline-flex;padding:7px 12px;border-radius:6px;color:#fff;background:var(--brand);font-size:12px}.tabs{display:flex;gap:4px;padding:4px;border-radius:9px;background:#edf1f2}.tabs button{flex:1;padding:7px 4px;border:0;border-radius:7px;background:none;font:inherit;font-size:13px;cursor:pointer}.tabs button.is-active{color:#fff;background:var(--brand)}.tab-panel{display:none;padding-top:10px}.tab-panel.is-active{display:block}.side-list{margin:0;padding:0;list-style:none}.side-list li{border-bottom:1px solid #edf0f1}.side-list a{display:block;padding:9px 2px;font-size:13px;line-height:1.55}.side-list a:hover{color:var(--brand)}
.section-heading{margin:0 0 26px;font-size:38px;font-weight:740;letter-spacing:-.03em;text-align:left}.news-list{display:grid;gap:18px}.news-card{display:grid;grid-template-columns:210px 1fr;border:1px solid #e2e7e9;border-radius:12px;background:#fff;overflow:hidden}.news-thumb{min-height:158px;background:linear-gradient(135deg,var(--brand),var(--accent));position:relative}.news-thumb.has-image{background-position:center;background-size:cover}.news-thumb:before,.news-thumb:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.2)}.news-thumb:before{width:135px;height:135px;right:-30px;top:-32px}.news-thumb:after{width:80px;height:80px;left:18px;bottom:-25px}.news-thumb.has-image:before,.news-thumb.has-image:after{display:none}.news-body{padding:17px 19px}.news-body h2{margin:0 0 8px;font-size:20px;line-height:1.45}.news-body p{margin:0;color:#5e6971;font-size:14px}.badge{display:inline-block;margin-right:7px;padding:1px 7px;border-radius:4px;color:#fff;background:var(--brand);font-size:11px}.news-footer{grid-column:1/-1;display:flex;gap:13px;padding:8px 18px;border-top:1px solid #edf0f1;color:#7a858c;font-size:11px}.read-more{margin-left:auto;color:var(--brand);font-weight:700}.pagination{display:flex;justify-content:center;gap:7px;margin-top:24px}.pagination span,.pagination a{padding:4px 11px;border:1px solid #dce0e3;border-radius:5px;background:#fff}.pagination .current{color:#fff;background:var(--brand)}
.faq-list details{margin-bottom:12px;border:1px solid #e1e6e8;border-radius:8px;background:#fff;overflow:hidden}.faq-list summary{padding:14px 16px;font-weight:700;cursor:pointer}.faq-answer{padding:0 16px 16px;color:#515d65}.contact-panel{display:grid;grid-template-columns:130px 1fr;gap:25px;align-items:center;padding:24px;border-radius:13px;background:#f1f7f6}.contact-panel img{width:120px}.contact-lines{margin:0;padding:0;list-style:none}.contact-lines li{padding:7px 0;border-bottom:1px solid #dce6e3}.contact-pending{padding:11px 14px;border-radius:7px;color:#536069;background:#fff}.sitemap-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.sitemap-group{padding:18px;border:1px solid #e2e6e8;border-radius:9px;background:#f9fbfb}.sitemap-group h2{margin:0 0 8px}.sitemap-group ul{margin:0;padding-left:1.2em}.not-found{text-align:center;padding-block:54px}.error-code{margin:0;color:var(--brand);font-size:clamp(68px,12vw,128px);font-weight:800;line-height:1}.not-found .button{display:inline-block;margin-top:16px;padding:9px 20px;border-radius:6px;color:#fff;background:var(--brand)}
.friendship{padding:5px 0 34px}.friendship h2{margin:0 0 8px;color:#69747b;font-size:13px}.friendship-links{display:flex;flex-wrap:wrap;gap:6px 14px;color:#6d7880;font-size:12px}.friendship-links a:hover{color:var(--brand);text-decoration:underline}.site-footer{padding:28px 0;background:#172328;color:#aeb8bd;text-align:center;font-size:12px}.site-footer p{margin:3px}
@media(max-width:900px){.site-nav{gap:2px}.site-nav a{padding:7px 9px}.hero-grid{grid-template-columns:1fr .85fr}.page-shell{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:1fr 1fr}.news-card{grid-template-columns:190px 1fr}}
@media(max-width:720px){.shell{width:min(100% - 24px,1160px)}.header-row{min-height:68px}.nav-toggle{display:block;padding:7px 11px;border:1px solid #d8dfe2;border-radius:6px;background:#fff}.site-nav{display:none;position:absolute;right:12px;top:64px;flex-direction:column;align-items:stretch;width:200px;padding:10px;border:1px solid #dfe5e7;border-radius:10px;background:#fff;box-shadow:0 15px 40px rgba(20,37,45,.16)}.site-nav.is-open{display:flex}.brand-hero{padding:24px 0 28px}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:20px 4px}.hero-title{font-size:46px}.hero-visual{min-height:240px}.page-shell{padding-top:24px}.article-page,.static-page{padding:27px 20px 36px}.page-title{font-size:35px}.sidebar{grid-template-columns:1fr}.news-card{grid-template-columns:1fr}.news-thumb{min-height:185px}.sitemap-groups{grid-template-columns:1fr}}
@media(max-width:480px){.hero-title{font-size:39px}.hero-actions a{flex:1;text-align:center}.visual-badge{right:14px;bottom:14px}.news-footer{flex-wrap:wrap}.read-more{margin-left:0}.contact-panel{grid-template-columns:1fr;text-align:center}.contact-panel img{margin:auto}}
.post-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:32px;padding-top:22px;border-top:1px solid #e2e8ee}.post-navigation a{display:flex;flex-direction:column;gap:5px;padding:15px 17px;border:1px solid #dfe7eb;border-radius:12px;background:#f8fbfb;color:#183139;text-decoration:none}.post-navigation a:hover{border-color:var(--brand);color:var(--brand-dark)}.post-navigation small{color:#6f8288}.post-navigation .post-next{text-align:right;grid-column:2}@media(max-width:640px){.post-navigation{grid-template-columns:1fr}.post-navigation .post-next{grid-column:1;text-align:left}}
.comments-section{margin-top:34px;padding-top:26px;border-top:1px solid #e2e8ee}.comments-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.comments-heading h2{margin:0;font-size:24px;color:#17343b}.comments-heading span{padding:5px 10px;border-radius:999px;background:#edf7f6;color:var(--brand-dark);font-size:13px}.comment-item{display:grid;grid-template-columns:46px 1fr;gap:13px;padding:20px 0;border-bottom:1px solid #edf1f3}.comment-avatar{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-size:18px;font-weight:700;box-shadow:0 5px 14px rgba(10,79,82,.18)}.comment-main{position:relative;min-width:0}.comment-head{display:flex;gap:12px;align-items:baseline;margin-bottom:7px}.comment-head strong{color:#203b42}.comment-head time,.comment-floor{font-size:12px;color:#91a0a5}.comment-main p{margin:0;padding-right:34px;color:#4b6268;line-height:1.8}.comment-floor{position:absolute;right:0;top:3px}@media(max-width:640px){.comment-item{grid-template-columns:38px 1fr}.comment-avatar{width:38px;height:38px;font-size:15px}.comment-head{display:block}.comment-head time{display:block;margin-top:2px}.comment-main p{padding-right:0}}

/* v2 editorial layout: full-image first screen and cleaner reading rhythm */
.shell{width:min(1260px,calc(100% - 56px))}.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(15px);box-shadow:none}.header-row{min-height:72px}.site-nav a{padding:9px 15px;border-radius:4px;font-size:14px}.brand-hero{position:relative;isolation:isolate;display:flex;align-items:flex-end;min-height:470px;padding:72px 0 58px;background-color:#122c2d;background-position:center;background-size:cover;overflow:hidden}.hero-overlay{position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,rgba(6,24,25,.93) 0%,rgba(6,24,25,.76) 46%,rgba(6,24,25,.28) 78%,rgba(6,24,25,.48) 100%)}.hero-grid{width:min(1260px,calc(100% - 56px));margin-inline:auto;grid-template-columns:minmax(0,1.3fr) 330px;gap:70px;align-items:end}.hero-copy{padding:0}.hero-kicker{color:#7ce1b2;font-size:13px}.hero-title{max-width:800px;color:#fff;font-size:clamp(54px,7vw,92px);font-weight:800;letter-spacing:-.055em}.hero-tagline{max-width:690px;color:rgba(255,255,255,.78);font-size:19px}.hero-actions a{border-color:rgba(255,255,255,.55);border-radius:4px;color:#fff}.hero-actions a:first-child{border-color:#fff;background:#fff;color:#173b35}.domain-chip{color:rgba(255,255,255,.65);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}.hero-visual{display:flex;flex-direction:column;justify-content:flex-end;min-height:260px;padding:28px;border:1px solid rgba(255,255,255,.3);border-radius:2px;background-color:rgba(6,28,29,.42);color:#fff;box-shadow:none;backdrop-filter:blur(8px)}.hero-visual:after{display:none}.visual-index{font:700 70px/1 Georgia,serif;color:rgba(255,255,255,.18)}.visual-label{margin:4px 0 14px;color:#7ce1b2;font-size:11px;font-weight:800;letter-spacing:.16em}.hero-visual>p{margin:0 0 28px;color:rgba(255,255,255,.75);font-size:14px;line-height:1.7}.visual-badge{position:static;align-self:flex-start;padding:0;border:0;background:none;backdrop-filter:none}.visual-badge img{width:42px;height:42px}.visual-badge span{font-size:17px}.page-type-home .brand-hero{min-height:clamp(480px,54vh,580px);padding-bottom:76px}.page-type-home .hero-title{font-size:clamp(56px,7vw,86px)}.page-shell{grid-template-columns:minmax(0,900px) 280px;gap:42px;padding-block:52px 70px}.page-type-home .page-shell{position:relative;z-index:2;margin-top:-42px}.article-page,.static-page{padding:46px 52px 58px;border:0;border-radius:3px;box-shadow:0 18px 55px rgba(22,39,45,.08)}.page-title{font-family:"Microsoft YaHei",sans-serif;font-size:clamp(40px,5vw,60px);font-weight:800}.post-meta{gap:0;margin-top:20px}.post-meta span{position:relative;margin-right:11px;padding-right:12px}.post-meta span:not(:last-child):after{content:"";position:absolute;right:0;top:50%;width:2px;height:2px;border-radius:50%;background:#9aa7ac}.lead{padding:24px 26px;border-left:3px solid var(--brand);border-radius:0;background:#eef6f3;font-size:18px}.article-body p{font-size:16px;line-height:2}.sidebar-card{border:0;border-radius:3px;box-shadow:0 12px 38px rgba(23,42,48,.07)}.comment-main p{padding-right:0}.comment-actions{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.comment-floor{position:static}.comment-likes{padding:2px 9px;border-radius:999px;background:#f1f5f4;color:#708078;font-size:12px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-visual{display:none}.page-shell{grid-template-columns:1fr}.page-type-home .brand-hero{min-height:520px}.sidebar{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.shell{width:min(100% - 24px,1260px)}.brand-hero{min-height:430px;padding:54px 0 72px}.page-type-home .brand-hero{min-height:500px;padding:48px 0 62px}.hero-title,.page-type-home .hero-title{font-size:clamp(42px,13vw,58px)}.hero-tagline{font-size:16px}.page-type-home .page-shell{margin-top:-30px}.article-page,.static-page{padding:30px 21px 40px}.page-title{font-size:36px}.post-meta{line-height:2}.sidebar{grid-template-columns:1fr}}

/* v3 split-image hero: spacious, readable and free of dark full-screen overlays */
.brand-hero,.page-type-home .brand-hero{display:block;min-height:0;padding:58px 0 68px;background:#f4f7f5;background-image:radial-gradient(circle at 13% 18%,rgba(43,145,92,.10),transparent 30%),linear-gradient(135deg,#f8faf9,#edf3f0);overflow:hidden}.hero-grid{display:grid;width:min(1260px,calc(100% - 56px));grid-template-columns:minmax(390px,.85fr) minmax(540px,1.15fr);gap:62px;align-items:center}.hero-copy{position:relative;z-index:2;padding:24px 0}.hero-kicker{margin-bottom:16px;color:var(--brand-dark);font-size:12px;letter-spacing:.24em}.hero-title,.page-type-home .hero-title{color:#17282d;font-size:clamp(52px,5.4vw,76px);font-weight:800;line-height:1.06;letter-spacing:-.055em}.hero-tagline{max-width:540px;margin:20px 0 25px;color:#586970;font-size:17px;line-height:1.8}.hero-actions a{padding:11px 19px;border-color:var(--brand);border-radius:7px;color:var(--brand-dark);background:transparent}.hero-actions a:first-child{border-color:var(--brand);color:#fff;background:var(--brand)}.domain-chip{margin-top:22px;color:#68787d;background:#e5ece9;border:0}.hero-visual{position:relative;display:block;min-height:440px;padding:0;border:0;border-radius:28px;background-color:#173c36!important;background-position:center!important;background-size:cover!important;overflow:hidden;box-shadow:0 28px 65px rgba(25,58,49,.20);backdrop-filter:none}.hero-visual:after{display:block;content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(5,25,22,.34))}.visual-index,.visual-label,.hero-visual>p{display:none}.visual-badge{position:absolute;z-index:2;right:24px;bottom:24px;display:flex;align-items:center;gap:11px;padding:11px 16px;border:1px solid rgba(255,255,255,.45);border-radius:14px;color:#fff;background:rgba(8,30,27,.72);backdrop-filter:blur(9px)}.visual-badge img{width:46px;height:46px}.visual-badge span{font-size:18px}.page-type-home .page-shell{margin-top:0;padding-top:46px}.page-shell{padding-top:46px}.article-page,.static-page{border-radius:14px}.page-type-home .article-page{border-top:5px solid var(--brand)}
@media(max-width:1000px){.hero-grid{grid-template-columns:minmax(330px,.9fr) minmax(430px,1.1fr);gap:34px}.hero-visual{display:block;min-height:390px}}
@media(max-width:820px){.brand-hero,.page-type-home .brand-hero{padding:42px 0 48px}.hero-grid{width:min(100% - 30px,720px);grid-template-columns:1fr;gap:30px}.hero-copy{padding:6px 2px}.hero-title,.page-type-home .hero-title{font-size:clamp(46px,12vw,64px)}.hero-visual{min-height:330px;border-radius:20px}.page-type-home .page-shell{margin-top:0;padding-top:28px}}
@media(max-width:480px){.brand-hero,.page-type-home .brand-hero{padding:32px 0 38px}.hero-grid{width:calc(100% - 24px);gap:24px}.hero-title,.page-type-home .hero-title{font-size:46px}.hero-tagline{margin:15px 0 20px;font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.hero-actions a{padding:9px 7px}.domain-chip{margin-top:14px}.hero-visual{min-height:260px;border-radius:16px}.visual-badge{right:14px;bottom:14px;padding:8px 11px}.visual-badge img{width:34px;height:34px}.visual-badge span{font-size:15px}}