/* Microsoft Teams 中文主题 — 独立样式体系 */
:root{--teams-primary:#5b5fc7;--teams-primary-dark:#444791;--teams-ink:#242424;--teams-muted:#61616b;--teams-bg:#fff;--teams-tint:#f5f5fb;--teams-line:#e5e5ef;--teams-radius:16px;--teams-container:1200px;--teams-shadow:0 8px 28px rgba(39,36,86,.06)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--teams-bg);color:var(--teams-ink);font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.75;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}img,video{display:block;max-width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}h1{font-size:clamp(32px,4vw,50px)}h2{font-size:clamp(27px,3vw,36px)}h3{font-size:22px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--teams-primary);outline-offset:5px}a:hover{color:var(--teams-primary)}[hidden]{display:none!important}.teams-container{width:min(var(--teams-container),calc(100% - 80px));margin-inline:auto}.teams-section{padding-block:88px}.teams-tint{background:var(--teams-tint)}.teams-eyebrow{color:var(--teams-primary);font-size:13px;font-weight:700;letter-spacing:.12em;margin-bottom:18px}.teams-skip{position:fixed;top:-100px;left:20px;z-index:100;background:#fff;padding:12px 20px;box-shadow:var(--teams-shadow)}.teams-skip:focus{top:10px}.teams-button{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:13px 25px;min-height:50px;border:1px solid var(--teams-primary);border-radius:6px;background:var(--teams-primary);color:#fff;font-size:15px;font-weight:600;line-height:1.5;transition:background .2s,box-shadow .2s}.teams-button:hover{background:var(--teams-primary-dark);border-color:var(--teams-primary-dark);color:#fff;box-shadow:0 4px 12px #5b5fc733}.teams-button-outline{background:transparent;color:var(--teams-primary-dark);border-color:var(--teams-primary-dark)}.teams-button-small{padding:9px 18px;min-height:42px}.teams-actions{display:flex;gap:14px;flex-wrap:wrap}.teams-text-link{display:inline-flex;align-items:center;gap:12px;color:var(--teams-primary-dark);font-weight:600;font-size:15px}.teams-text-link:hover{text-decoration:underline;text-underline-offset:5px}
/* Navigation */
.teams-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--teams-line);backdrop-filter:blur(14px)}.teams-header-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:80px}.teams-brand{display:inline-flex;align-items:center;gap:13px;white-space:nowrap;font-size:21px;letter-spacing:-.03em;line-height:1.2}.teams-brand strong{font-weight:650}.teams-logo{display:inline-grid;place-items:center;background:var(--teams-primary);color:#fff;width:36px;height:36px;font-size:25px;font-weight:700;border-radius:8px;box-shadow:5px 4px 0 #d4d5f1;flex:none}.teams-navigation{display:flex;align-items:center;gap:27px;font-size:14px}.teams-navigation>a:not(.teams-button){padding-block:12px}.teams-navigation [aria-current=page]{color:var(--teams-primary-dark);font-weight:650;text-decoration:underline;text-underline-offset:10px}.teams-login{margin-left:15px}.teams-menu-toggle{display:none;border:0;background:transparent;width:44px;height:44px;cursor:pointer;padding:10px}.teams-menu-toggle span{display:block;height:2px;margin:5px 0;background:var(--teams-ink)}
/* Home */
.teams-hero{position:relative;overflow:hidden;background:#d5d6ef}.teams-hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.teams-hero-inner{position:relative;min-height:580px;display:flex;align-items:center;padding-block:64px}.teams-hero-copy{max-width:520px}.teams-hero h1{font-size:clamp(40px,4.5vw,64px);font-weight:650;line-height:1.2;letter-spacing:-.045em}.teams-hero h1 span{color:var(--teams-primary-dark)}.teams-lead{max-width:480px;font-size:17px;line-height:1.95;color:#454553;margin:25px 0 30px}.teams-hero-note{font-size:12px;color:#50505f;margin-top:20px}.teams-section-nav{border-bottom:1px solid var(--teams-line);background:#fff}.teams-section-nav .teams-container{display:flex;gap:42px}.teams-section-nav a{padding-block:21px;font-size:14px;font-weight:600;border-bottom:3px solid transparent}.teams-section-nav a:hover{border-bottom-color:var(--teams-primary)}.teams-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:36px}.teams-section-heading .teams-eyebrow{margin-bottom:12px}.teams-section-heading p:not(.teams-eyebrow){color:var(--teams-muted);margin-top:14px}.teams-heading-center{display:block;text-align:center;margin-bottom:42px}.teams-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.teams-feature-card{border:1px solid var(--teams-line);border-radius:var(--teams-radius);padding:32px;background:linear-gradient(145deg,#fff,#fafaff);position:relative;box-shadow:var(--teams-shadow)}.teams-feature-number{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#ececfa;color:var(--teams-primary);border-radius:12px;font-weight:600;margin-bottom:28px}.teams-feature-label{font-size:12px;color:var(--teams-muted)}.teams-feature-card h3{font-size:21px;margin:10px 0 15px}.teams-feature-card p{color:var(--teams-muted);font-size:15px}.teams-start-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.teams-start-art{position:relative;min-height:510px;align-self:stretch;overflow:hidden;border-radius:24px;background:#d7d5ef}.teams-start-art img{width:100%;height:100%;object-fit:cover;object-position:80% center}.teams-art-caption{position:absolute;bottom:25px;left:24px;right:24px;background:rgba(255,255,255,.85);border:1px solid #fff;border-radius:12px;padding:20px;font-size:15px;color:var(--teams-primary-dark);backdrop-filter:blur(10px)}.teams-start-copy>p:not(.teams-eyebrow){margin-block:22px;color:var(--teams-muted)}.teams-steps{list-style:none;padding:0;counter-reset:steps;margin:26px 0}.teams-steps li{counter-increment:steps;position:relative;padding-left:48px;margin-top:23px}.teams-steps li:before{content:counter(steps);position:absolute;left:0;top:2px;width:30px;height:30px;border:1px solid #cccced;border-radius:50%;text-align:center;color:var(--teams-primary);font-size:14px;line-height:28px}.teams-steps strong{display:block;font-size:16px}.teams-steps span{font-size:14px;color:var(--teams-muted)}.teams-faq-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:70px}.teams-faq-layout header>p:not(.teams-eyebrow){margin:22px 0;color:var(--teams-muted)}.teams-faq-list{border-top:1px solid #d9d9e9}.teams-faq-list details{border-bottom:1px solid #d9d9e9}.teams-faq-list summary{cursor:pointer;list-style:none;padding:23px 40px 23px 0;font-size:17px;font-weight:600;position:relative}.teams-faq-list summary::-webkit-details-marker{display:none}.teams-faq-list summary:after{content:'+';position:absolute;right:7px;top:21px;color:var(--teams-primary);font-size:24px;font-weight:400}.teams-faq-list details[open] summary:after{content:'−'}.teams-faq-list details[open] summary{color:var(--teams-primary-dark)}.teams-faq-list details>div{padding:0 36px 23px 0;color:var(--teams-muted);font-size:15px}.teams-cta{text-align:center;padding:75px 0;background:linear-gradient(115deg,#e7e6fb,#f3f0ff,#e5f0ff)}.teams-cta h2{margin:12px 0 28px}
/* Listing and cards */
.teams-page-hero{padding:32px 0 56px;background:linear-gradient(115deg,#f3f2fc,#eeeffb)}.teams-page-hero h1{margin-top:25px}.teams-page-hero p,.teams-archive-description{color:var(--teams-muted);margin-top:15px;max-width:760px}.teams-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--teams-muted);font-size:13px}.teams-breadcrumb span[aria-current]{color:var(--teams-ink)}.teams-list-status{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;gap:15px}.teams-list-status h2{font-size:24px}.teams-list-status h2 span{font-size:13px;display:inline-block;vertical-align:middle;margin-left:10px;padding:4px 12px;background:#eeeefa;border-radius:20px;color:var(--teams-primary-dark)}.teams-list-status>p{font-size:14px;color:var(--teams-muted)}.teams-post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px}.teams-post-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid var(--teams-line);border-radius:var(--teams-radius);overflow:hidden;box-shadow:var(--teams-shadow);transition:transform .2s,box-shadow .2s}.teams-post-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #39336614}.teams-post-image{display:block;aspect-ratio:16/9;overflow:hidden;background:#e7e7f6}.teams-post-image>img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.teams-post-card:hover .teams-post-image>img{transform:scale(1.035)}.teams-card-placeholder{height:100%;padding:25px 28px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(125deg,#ececfc,#d9daf5 60%,#c7d4f9);color:var(--teams-primary-dark);position:relative}.teams-card-placeholder:after{content:'';position:absolute;width:135px;height:135px;border:22px solid #ffffff40;border-radius:50%;right:-40px;top:-40px}.teams-card-placeholder strong{font-size:26px;letter-spacing:-.04em}.teams-card-placeholder>span{font-size:12px;margin-top:7px}.teams-card-placeholder small{font-size:10px;letter-spacing:.18em;margin-top:18px}.teams-post-body{padding:24px;display:flex;flex:1;flex-direction:column}.teams-post-meta{display:flex;justify-content:space-between;gap:10px;color:var(--teams-muted);font-size:12px;margin-bottom:15px}.teams-post-meta>span{color:var(--teams-primary)}.teams-post-card h2{font-size:20px;line-height:1.55;margin-bottom:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3.1em}.teams-post-description{font-size:14px;color:var(--teams-muted);line-height:1.8;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;text-overflow:ellipsis;word-break:break-all;white-space:normal;margin-top:auto;min-height:3.6em;max-height:3.6em}.teams-empty{text-align:center;padding:70px 20px;background:var(--teams-tint);border-radius:var(--teams-radius);border:1px solid var(--teams-line)}.teams-empty p{color:var(--teams-muted);margin:15px 0}.teams-categories{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}.teams-categories a,.teams-reader-tags a{padding:7px 16px;border:1px solid var(--teams-line);border-radius:22px;font-size:14px;background:#fff}.teams-categories a:hover,.teams-categories [aria-current]{background:var(--teams-primary);color:#fff;border-color:var(--teams-primary)}.teams-pagination{margin-top:45px}.teams-pagination ul{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:0}.teams-pagination a,.teams-pagination .current,.teams-pagination .dots{display:inline-flex;justify-content:center;align-items:center;min-width:42px;min-height:42px;padding:8px 13px;border:1px solid var(--teams-line);border-radius:6px;font-size:14px}.teams-pagination .current,.teams-pagination a:hover{background:var(--teams-primary);border-color:var(--teams-primary);color:#fff}.teams-pagination .dots{border:0}
/* Article reading */
.teams-reader{background:#f7f7fc;padding-top:28px}.teams-reader>.teams-container>.teams-breadcrumb{margin-bottom:25px}.teams-reader-layout{display:grid;grid-template-columns:minmax(0,850px) minmax(0,1fr);gap:32px;align-items:start}.teams-reader-paper,.teams-policy-paper{background:#fff;border:1px solid var(--teams-line);padding:44px;border-radius:var(--teams-radius);min-width:0}.teams-reader-head{border-bottom:1px solid var(--teams-line);padding-bottom:28px;margin-bottom:32px}.teams-reader-head h1{font-size:clamp(28px,3.2vw,40px);line-height:1.5;overflow-wrap:anywhere}.teams-reader-meta{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:20px;color:var(--teams-muted);font-size:12px}.teams-reader-meta>span:first-child{color:var(--teams-primary)}.teams-reader-cover{margin-bottom:32px}.teams-reader-cover img{width:100%;max-height:500px;object-fit:cover;border-radius:10px}.teams-prose{line-height:1.95;font-size:16px;overflow-wrap:anywhere;display:flow-root}.teams-prose>*+*{margin-top:22px}.teams-prose h2{font-size:25px;margin-top:40px;padding-left:14px;border-left:4px solid var(--teams-primary);scroll-margin-top:110px}.teams-prose h3{font-size:21px;margin-top:30px;scroll-margin-top:110px}.teams-prose h4{font-size:18px}.teams-prose p{margin-bottom:20px}.teams-prose a{color:var(--teams-primary-dark);text-decoration:underline;text-underline-offset:4px}.teams-prose ul,.teams-prose ol{padding-left:1.6em}.teams-prose li+li{margin-top:8px}.teams-prose img{height:auto;max-width:100%;border-radius:8px}.teams-prose figure{max-width:100%}.teams-prose figcaption{color:var(--teams-muted);font-size:13px;text-align:center;margin-top:10px}.teams-prose iframe,.teams-prose embed,.teams-prose object{max-width:100%}.teams-prose blockquote{margin-inline:0;padding:20px 24px;border-left:4px solid var(--teams-primary);background:var(--teams-tint);color:#505060}.teams-prose blockquote p:last-child{margin-bottom:0}.teams-prose pre{overflow:auto;max-width:100%;padding:20px;background:#f4f4fa;font-size:14px;border-radius:8px;white-space:pre}.teams-prose code{font-size:.9em;background:#f4f4fa;padding:2px 5px}.teams-prose table{display:block;overflow-x:auto;max-width:100%;border-collapse:collapse;font-size:14px}.teams-prose td,.teams-prose th{padding:12px;border:1px solid var(--teams-line);min-width:100px}.teams-prose th{background:var(--teams-tint)}.teams-prose .alignleft{float:left;margin:8px 24px 16px 0}.teams-prose .alignright{float:right;margin:8px 0 16px 24px}.teams-prose .aligncenter{margin-inline:auto}.teams-prose .wp-block-image,.teams-prose .wp-caption{max-width:100%}.teams-toc{padding:25px;background:#fff;border:1px solid var(--teams-line);border-radius:12px;font-size:13px;max-height:calc(100vh - 140px);overflow-y:auto}.teams-reader-aside{position:sticky;top:110px}.teams-toc h2{font-size:17px;margin-bottom:20px}.teams-toc ol{padding-left:18px;margin:0}.teams-toc li{padding:5px 0;color:var(--teams-muted)}.teams-toc .is-subheading{margin-left:12px;font-size:12px}.teams-reader-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}.teams-reader-end{text-align:center;color:#9494a2;font-size:13px;padding:36px 0}.teams-neighbors{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid var(--teams-line);padding:26px 0 30px}.teams-neighbors>div{min-width:0}.teams-neighbors>div:last-child{text-align:right}.teams-neighbors a{display:block}.teams-neighbors small{display:block;color:var(--teams-muted);margin-bottom:8px}.teams-neighbors span{font-size:14px}.teams-related{padding-top:60px}
/* Policies and generic pages */
.teams-policy-page{background:var(--teams-tint);padding:30px 0 80px}.teams-policy-page .teams-breadcrumb{margin-bottom:28px}.teams-policy-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:35px;align-items:start}.teams-policy-nav{position:sticky;top:110px;padding:24px;border:1px solid var(--teams-line);border-radius:12px;background:#fff}.teams-policy-nav h2{font-size:18px;margin-bottom:20px}.teams-policy-nav a{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:12px 0}.teams-policy-nav [aria-current]{color:var(--teams-primary);font-weight:600}.teams-policy-paper>header{border-bottom:1px solid var(--teams-line);padding-bottom:28px;margin-bottom:30px}.teams-policy-paper h1{font-size:36px}.teams-policy-note{margin-top:20px;padding:18px 20px;background:var(--teams-tint);border-radius:8px;font-size:14px;color:var(--teams-muted)}.teams-page-paper{max-width:900px;margin-inline:auto}
/* Footer */
.teams-footer{background:#f1f1f5;border-top:1px solid var(--teams-line);padding:60px 0 24px}.teams-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:45px}.teams-footer-about p{margin:24px 0 15px;font-size:14px;color:var(--teams-muted)}.teams-language{font-size:12px;color:var(--teams-muted)}.teams-footer-grid h2{font-size:15px;margin:6px 0 20px}.teams-footer-grid>div>a:not(.teams-brand){display:block;color:var(--teams-muted);font-size:13px;margin-top:12px}.teams-footer-grid>div>a:hover{color:var(--teams-primary);text-decoration:underline}.teams-footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;border-top:1px solid #dddde7;font-size:11px;color:var(--teams-muted)}
/* Laptop / tablet */
@media(min-width:1600px){.teams-hero-inner{min-height:650px}}@media(max-width:1100px){.teams-container{width:calc(100% - 48px)}.teams-navigation{gap:18px}.teams-brand{font-size:19px}.teams-login{margin-left:0}.teams-start-layout,.teams-faq-layout{gap:38px}.teams-feature-card{padding:25px}.teams-reader-layout{grid-template-columns:minmax(0,1fr) 230px;gap:24px}.teams-reader-paper{padding:32px}.teams-footer-grid{gap:26px}.teams-hero-art{object-position:43% center}}
@media(max-width:900px){.teams-header-inner{min-height:70px;flex-wrap:wrap;gap:0}.teams-menu-toggle:not([hidden]){display:block}.teams-navigation{width:100%;flex-wrap:wrap;padding:16px 0 24px}.teams-has-menu .teams-navigation{display:none}.teams-has-menu .teams-navigation.is-open{display:flex}.teams-navigation>a:not(.teams-button){width:100%;padding-block:8px}.teams-navigation [aria-current=page]{text-underline-offset:5px}.teams-hero-copy{max-width:480px}.teams-hero-art{object-position:35% center;opacity:.66}.teams-hero-inner{min-height:540px}.teams-feature-grid{gap:16px}.teams-feature-card h3{font-size:18px}.teams-feature-card{padding:24px}.teams-post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teams-start-layout{gap:30px}.teams-start-art{min-height:430px}.teams-start-copy h2{font-size:28px}.teams-reader-layout{display:block}.teams-reader-aside{position:static;margin-top:24px}.teams-toc{max-height:280px}.teams-policy-layout{grid-template-columns:180px minmax(0,1fr);gap:22px}.teams-policy-paper{padding:30px}.teams-footer-grid{grid-template-columns:2fr 1fr 1fr}.teams-footer-about{grid-column:1/-1}.teams-footer-about p{margin-top:20px}.teams-section{padding-block:64px}.teams-faq-layout{grid-template-columns:1fr 1.35fr}}
/* Phone */
@media(max-width:600px){html{scroll-padding-top:85px}.teams-container{width:calc(100% - 36px)}.teams-header-inner{min-height:66px}.teams-brand{font-size:18px}.teams-logo{width:31px;height:31px;font-size:22px}.teams-hero-inner{min-height:620px;padding-block:45px 200px;align-items:flex-start}.teams-hero-art{object-position:65% bottom;opacity:.48}.teams-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(#dddff6 0%,#dddff6dd 50%,transparent 85%)}.teams-hero-inner{z-index:1}.teams-hero h1{font-size:44px}.teams-hero .teams-eyebrow{font-size:11px;letter-spacing:.07em}.teams-lead{font-size:15px;line-height:1.9;margin-block:22px}.teams-actions{gap:10px}.teams-actions .teams-button{padding-inline:19px}.teams-section-nav .teams-container{gap:0;justify-content:space-between}.teams-section-nav a{font-size:12px;padding-block:17px}.teams-section{padding-block:48px}.teams-section-heading{align-items:flex-start;flex-direction:column;gap:18px;margin-bottom:26px}.teams-heading-center{text-align:left}.teams-feature-grid,.teams-start-layout,.teams-faq-layout,.teams-post-grid{grid-template-columns:1fr}.teams-feature-card{padding:26px}.teams-feature-number{margin-bottom:20px}.teams-feature-card h3{font-size:21px}.teams-start-art{min-height:280px;height:280px}.teams-start-layout{gap:30px}.teams-start-copy h2{font-size:29px}.teams-post-grid{gap:22px}.teams-post-card h2{font-size:20px;min-height:0}.teams-post-body{padding:22px}.teams-faq-layout{gap:30px}.teams-faq-list summary{font-size:16px}.teams-faq-list details>div{font-size:14px}.teams-cta{padding:48px 0}.teams-cta h2{font-size:28px}.teams-page-hero{padding:22px 0 36px}.teams-page-hero h1{font-size:32px}.teams-list-status h2{font-size:21px}.teams-pagination ul{gap:6px}.teams-pagination a,.teams-pagination .current,.teams-pagination .dots{min-width:36px;min-height:38px;padding:7px 10px;font-size:12px}.teams-reader{padding-top:22px}.teams-reader-paper{padding:24px 20px}.teams-reader-head h1{font-size:27px}.teams-reader-meta{gap:8px 15px}.teams-prose{font-size:15px}.teams-prose h2{font-size:22px;margin-top:32px}.teams-prose h3{font-size:19px}.teams-prose .alignleft,.teams-prose .alignright{float:none;margin:20px 0}.teams-neighbors{gap:15px}.teams-neighbors span{font-size:13px}.teams-policy-layout{grid-template-columns:1fr}.teams-policy-nav{position:static;display:flex;flex-wrap:wrap;gap:15px;padding:18px 20px}.teams-policy-nav h2{width:100%;margin:0;font-size:16px}.teams-policy-nav a{padding:0}.teams-policy-paper{padding:26px 20px}.teams-policy-paper h1{font-size:30px}.teams-policy-note{padding:15px;font-size:13px}.teams-footer{padding-top:40px}.teams-footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px;padding-bottom:30px}.teams-footer-grid>div:last-child{grid-column:1/-1}.teams-footer-bottom{flex-direction:column;gap:10px}.teams-breadcrumb{font-size:12px;gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.teams-header,.teams-footer,.teams-reader-aside,.teams-related,.teams-neighbors,.teams-section-nav{display:none}.teams-container{width:100%}.teams-reader{background:#fff}.teams-reader-layout{display:block}.teams-reader-paper{border:0;padding:0}.teams-prose a{text-decoration:none;color:#000}}