.official-page{--ink:#18242f;--muted:#5d6a75;--teal:#0b6964;--teal-dark:#084f4b;--red:#bb4b34;--line:#dfe6e7;--soft:#f3f7f6;--white:#fff;background:#fff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;}
.official-page *{box-sizing:border-box;letter-spacing:0;}
.official-page a{text-decoration:none;}
.official-shell{width:min(1180px,calc(100% - 48px));margin:0 auto;}
.official-section{padding:72px 0;}
.official-section--muted{background:var(--soft);}
.official-section--evidence{background:#eef5f3;border-top:1px solid #d7e5e2;border-bottom:1px solid #d7e5e2;}
.official-kicker,.official-eyebrow{margin:0 0 10px;color:var(--teal);font-size:13px;font-weight:700;text-transform:uppercase;}
.official-section h2,.official-contact-band h2{margin:0;color:var(--ink);font-size:34px;line-height:1.32;font-weight:700;}
.official-section p,.official-contact-band p{font-size:16px;line-height:1.9;color:var(--muted);}
.official-section-heading{max-width:760px;margin:0 auto 38px;text-align:center;}
.official-section-heading--left{margin-left:0;text-align:left;}
.official-hero{position:relative;min-height:390px;display:flex;align-items:center;color:#fff;background-color:#123b3a;background-repeat:no-repeat;background-position:center;background-size:cover;}
.official-hero::before{content:"";position:absolute;inset:0;background:rgba(8,34,35,.72);}
.official-hero--about{background-image:url("/static/index/images/banner/guanyu.jpg");}
.official-hero__content{position:relative;z-index:1;padding:64px 0;}
.official-hero h1{max-width:700px;margin:0 0 18px;font-size:50px;line-height:1.18;color:#fff;font-weight:700;}
.official-hero__content>p:not(.official-eyebrow){max-width:720px;margin:0;font-size:18px;line-height:1.85;color:rgba(255,255,255,.9);}
.official-hero .official-eyebrow{color:#9fd5cf;}
.official-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.official-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:1px solid transparent;border-radius:4px;font-size:15px;font-weight:700;transition:background .2s ease,border-color .2s ease,color .2s ease;}
.official-button--primary{background:var(--red);color:#fff;}
.official-button--primary:hover{background:#9f3e2a;color:#fff;}
.official-button--light{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.08);color:#fff;}
.official-button--light:hover{background:#fff;color:var(--teal-dark);}
.official-fact-strip{border-bottom:1px solid var(--line);background:#fff;}
.official-fact-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.official-fact-grid>div{min-height:118px;padding:28px 26px;border-right:1px solid var(--line);}
.official-fact-grid>div:first-child{border-left:1px solid var(--line);}
.official-fact-grid strong,.official-fact-grid span{display:block;}
.official-fact-grid strong{margin-bottom:7px;color:var(--teal-dark);font-size:21px;line-height:1.35;}
.official-fact-grid span{color:var(--muted);font-size:14px;line-height:1.6;}
.official-intro-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:58px;align-items:center;}
.official-intro-image{aspect-ratio:4/3;overflow:hidden;border-radius:6px;background:#e8efee;}
.official-intro-image img{width:100%;height:100%;display:block;object-fit:cover;}
.official-intro-grid h2{margin-bottom:22px;}
.official-service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.official-service-grid article{min-height:260px;padding:28px 24px;border:1px solid #d8e2e0;border-radius:6px;background:#fff;}
.official-service-grid article>span{display:block;margin-bottom:40px;color:var(--red);font-size:14px;font-weight:700;}
.official-service-grid h3{margin:0 0 13px;font-size:21px;line-height:1.45;}
.official-service-grid p{margin:0;font-size:15px;line-height:1.8;}
.official-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:34px 0 0;padding:0;list-style:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.official-steps li{display:flex;gap:16px;min-height:188px;padding:28px 24px;border-right:1px solid var(--line);}
.official-steps li:first-child{border-left:1px solid var(--line);}
.official-steps li>span{flex:0 0 34px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--teal);color:#fff;font-size:15px;font-weight:700;}
.official-steps h3{margin:3px 0 9px;font-size:18px;line-height:1.5;}
.official-steps p{margin:0;font-size:14px;line-height:1.75;}
.official-evidence-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.82fr);gap:64px;align-items:center;}
.official-evidence-grid h2{margin-bottom:16px;}
.official-link-list{border-top:1px solid #bfd3cf;}
.official-link-list a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 4px;border-bottom:1px solid #bfd3cf;color:var(--ink);font-size:15px;font-weight:600;}
.official-link-list a span{color:var(--teal);font-size:13px;}
.official-contact-band{padding:58px 0;background:#162b32;color:#fff;}
.official-contact-band__inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.9fr);gap:70px;align-items:start;}
.official-contact-band h2{color:#fff;font-size:30px;}
.official-contact-band .official-kicker{color:#91c9c2;}
.official-contact-band__inner>div:first-child>p:not(.official-kicker){color:#c5d0d3;}
.official-contact-details{border-top:1px solid rgba(255,255,255,.18);}
.official-contact-details p{display:grid;grid-template-columns:145px 1fr;gap:18px;margin:0;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:14px;line-height:1.6;}
.official-contact-details span{color:#9fb0b6;}
.official-contact-details strong{color:#fff;font-weight:600;overflow-wrap:anywhere;}
.official-breadcrumb{display:flex;gap:9px;align-items:center;min-height:54px;color:#6c787f;font-size:13px;}
.official-breadcrumb a{color:#53636b;}
.official-breadcrumb strong{color:var(--ink);}
.materials-hero{padding:60px 0 64px;background:#f0f5f4;border-top:1px solid #e0e8e7;border-bottom:1px solid #d8e2e0;}
.materials-hero__grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.6fr);gap:64px;align-items:center;}
.materials-hero h1{max-width:750px;margin:0 0 20px;color:var(--ink);font-size:44px;line-height:1.3;font-weight:700;}
.materials-lead{margin:0;color:#43525b;font-size:17px;line-height:1.95;}
.materials-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px;}
.materials-meta span{padding:8px 11px;border:1px solid #c8d7d4;border-radius:4px;background:#fff;color:#46565d;font-size:13px;}
.materials-hero__visual{margin:0;padding:18px;border:1px solid #ccd9d7;border-radius:6px;background:#fff;}
.materials-hero__visual img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top;border:1px solid #e0e5e6;}
.materials-hero__visual p{margin:12px 0 0;color:#657279;font-size:13px;line-height:1.6;}
.official-table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:6px;}
.official-data-table{width:100%;min-width:800px;border-collapse:collapse;background:#fff;}
.official-data-table th,.official-data-table td{padding:17px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:15px;line-height:1.75;}
.official-data-table th{background:#e8f0ee;color:#24343b;font-weight:700;}
.official-data-table th:first-child{width:210px;}
.official-data-table tr:last-child td{border-bottom:0;}
.official-data-table th:last-child,.official-data-table td:last-child{border-right:0;}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.download-card{display:flex;flex-direction:column;min-height:270px;padding:24px;border:1px solid #d8e2e0;border-radius:6px;background:#fff;}
.download-card__type{align-self:flex-start;margin-bottom:25px;padding:6px 9px;border-radius:3px;background:#e7f0ee;color:var(--teal-dark);font-size:12px;font-weight:700;}
.download-card h3{margin:0 0 12px;color:var(--ink);font-size:19px;line-height:1.5;}
.download-card p{flex:1;margin:0 0 20px;font-size:14px;line-height:1.75;}
.official-button--download{align-self:flex-start;border-color:var(--teal);background:var(--teal);color:#fff;}
.official-button--download:hover{background:var(--teal-dark);color:#fff;}
.materials-notice{display:grid;grid-template-columns:120px 1fr;gap:22px;margin-top:20px;padding:20px 22px;border-left:4px solid var(--red);background:#fff;}
.materials-notice strong{font-size:16px;color:var(--red);}
.materials-notice p{margin:0;font-size:14px;line-height:1.75;}
.materials-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.58fr);gap:60px;align-items:start;}
.materials-columns h2{margin-bottom:25px;}
.materials-choice{margin:0;padding:0;list-style:none;counter-reset:choice;}
.materials-choice li{position:relative;padding:0 0 24px 48px;border-left:1px solid #cbd8d5;counter-increment:choice;}
.materials-choice li:last-child{padding-bottom:0;}
.materials-choice li::before{content:counter(choice);position:absolute;left:-17px;top:0;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--teal);color:#fff;font-size:14px;font-weight:700;}
.materials-choice strong{display:block;padding-top:4px;font-size:17px;}
.materials-choice p{margin:7px 0 0;font-size:14px;line-height:1.75;}
.materials-side-note{padding:28px;border:1px solid #d7e2df;border-radius:6px;background:#f5f8f7;}
.materials-side-note h3{margin:0 0 14px;font-size:21px;line-height:1.45;}
.materials-side-note p{font-size:14px;line-height:1.8;}
.materials-side-note p:last-child{margin-bottom:0;color:var(--ink);}
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #c6d8d4;border-left:1px solid #c6d8d4;}
.check-grid>div{min-height:150px;padding:24px;border-right:1px solid #c6d8d4;border-bottom:1px solid #c6d8d4;}
.check-grid strong{font-size:17px;color:var(--teal-dark);}
.check-grid p{margin:10px 0 0;font-size:14px;line-height:1.7;}
.faq-section details{border-bottom:1px solid var(--line);}
.faq-section summary{position:relative;padding:20px 42px 20px 0;cursor:pointer;color:var(--ink);font-size:17px;font-weight:700;list-style:none;}
.faq-section summary::-webkit-details-marker{display:none;}
.faq-section summary::after{content:"+";position:absolute;right:8px;top:18px;color:var(--teal);font-size:24px;font-weight:400;}
.faq-section details[open] summary::after{content:"-";}
.faq-section details p{max-width:900px;margin:0;padding:0 42px 20px 0;font-size:15px;line-height:1.8;}
.resource-spotlight{display:flex;align-items:center;justify-content:space-between;gap:30px;width:min(1180px,calc(100% - 48px));margin:34px auto;padding:24px 28px;border:1px solid #cddbd8;border-left:5px solid var(--teal,#0b6964);border-radius:6px;background:#f3f7f6;}
.resource-spotlight h2{margin:0 0 7px;color:#18242f;font-size:23px;line-height:1.45;}
.resource-spotlight p{margin:0;color:#5d6a75;font-size:14px;line-height:1.7;}
.resource-spotlight a{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:4px;background:#0b6964;color:#fff;font-size:14px;font-weight:700;}
.materials-hero--compact{padding:38px 0 40px;}
.materials-hero--compact h1{margin-bottom:12px;font-size:38px;}
.materials-hero--compact .materials-lead{max-width:900px;}
.materials-hero--compact .materials-meta{margin-top:18px;align-items:center;}
.materials-hero--compact .materials-meta a{padding:8px 11px;border:1px solid var(--teal);border-radius:4px;background:var(--teal);color:#fff;font-size:13px;font-weight:700;}
.materials-download-first{padding:50px 0 54px;}
.materials-download-first .official-section-heading{margin-bottom:26px;}
.materials-download-first .download-card{min-height:230px;}
.materials-download-first .download-card__type{margin-bottom:16px;}
.materials-guide-section{padding:36px 0;}
.materials-guide-details{border:1px solid var(--line);border-radius:6px;background:#fff;}
.materials-guide-details>summary{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center;padding:22px 24px;cursor:pointer;list-style:none;}
.materials-guide-details>summary::-webkit-details-marker{display:none;}
.materials-guide-details>summary span{color:var(--teal);font-size:13px;font-weight:700;}
.materials-guide-details>summary strong{position:relative;padding-right:28px;color:var(--ink);font-size:18px;}
.materials-guide-details>summary strong::after{content:"+";position:absolute;right:0;top:-5px;color:var(--teal);font-size:26px;font-weight:400;}
.materials-guide-details[open]>summary strong::after{content:"-";}
.materials-guide-content{padding:10px 24px 30px;border-top:1px solid var(--line);}
.materials-guide-content h2{margin:30px 0 12px;font-size:25px;}
.materials-guide-content>.official-table-wrap{margin:18px 0 30px;}
.official-contact-band--compact{padding:42px 0;}
@media (max-width:900px){
  .official-shell{width:min(100% - 32px,720px);}
  .official-section{padding:52px 0;}
  .official-section h2,.official-contact-band h2{font-size:28px;}
  .official-hero{min-height:350px;}
  .official-hero h1{font-size:40px;}
  .official-fact-grid,.official-service-grid,.official-steps,.check-grid{grid-template-columns:repeat(2,1fr);}
  .official-fact-grid>div:nth-child(3){border-left:1px solid var(--line);}
  .official-intro-grid,.official-evidence-grid,.official-contact-band__inner,.materials-hero__grid,.materials-columns{grid-template-columns:1fr;gap:36px;}
  .official-service-grid article{min-height:220px;}
  .official-steps li:nth-child(3){border-left:1px solid var(--line);}
  .official-contact-band__inner{gap:30px;}
  .download-grid{grid-template-columns:repeat(2,1fr);}
  .materials-hero__visual{max-width:420px;}
}
@media (max-width:600px){
  .official-shell{width:calc(100% - 28px);}
  .official-section{padding:42px 0;}
  .official-section-heading{margin-bottom:26px;text-align:left;}
  .official-section h2,.official-contact-band h2{font-size:25px;line-height:1.4;}
  .official-section p,.official-contact-band p{font-size:15px;line-height:1.8;}
  .official-hero{min-height:390px;background-position:58% center;}
  .official-hero__content{padding:48px 0;}
  .official-hero h1{font-size:36px;}
  .official-hero__content>p:not(.official-eyebrow){font-size:16px;line-height:1.75;}
  .official-hero__actions{display:grid;grid-template-columns:1fr;}
  .official-button{width:100%;padding:0 16px;}
  .official-fact-grid{grid-template-columns:1fr 1fr;}
  .official-fact-grid>div{min-height:105px;padding:20px 16px;}
  .official-fact-grid strong{font-size:17px;}
  .official-fact-grid span{font-size:12px;}
  .official-intro-grid{display:flex;flex-direction:column-reverse;gap:28px;}
  .official-intro-image{width:100%;}
  .official-service-grid,.official-steps,.check-grid,.download-grid{grid-template-columns:1fr;}
  .official-service-grid article{min-height:0;padding:22px;}
  .official-service-grid article>span{margin-bottom:18px;}
  .official-steps{border-bottom:0;}
  .official-steps li,.official-steps li:nth-child(3){min-height:0;padding:22px 12px;border-left:1px solid var(--line);border-bottom:1px solid var(--line);}
  .official-evidence-grid{gap:24px;}
  .official-link-list a{font-size:14px;line-height:1.55;}
  .official-contact-details p{grid-template-columns:1fr;gap:3px;}
  .official-breadcrumb{min-height:46px;white-space:nowrap;overflow-x:auto;}
  .materials-hero{padding:42px 0 46px;}
  .materials-hero h1{font-size:32px;}
  .materials-lead{font-size:15px;line-height:1.85;}
  .materials-meta{display:grid;grid-template-columns:1fr;}
  .materials-hero__visual{padding:12px;}
  .materials-hero--compact{padding:28px 0 30px;}
  .materials-hero--compact h1{font-size:29px;}
  .materials-download-first{padding:34px 0 38px;}
  .materials-guide-details>summary{grid-template-columns:1fr;gap:5px;padding:18px;}
  .materials-guide-content{padding:4px 18px 24px;}
  .materials-guide-content h2{font-size:21px;}
  .official-contact-band--compact{padding:34px 0;}
  .official-data-table{min-width:720px;}
  .official-data-table th,.official-data-table td{padding:13px 14px;font-size:14px;}
  .download-card{min-height:0;padding:21px;}
  .materials-notice{grid-template-columns:1fr;gap:8px;}
  .materials-side-note{padding:22px;}
  .resource-spotlight{display:block;width:calc(100% - 28px);margin:24px auto;padding:20px;}
  .resource-spotlight h2{font-size:19px;}
  .resource-spotlight a{width:100%;margin-top:16px;}
}