:root{--ink:#172536;--muted:#5d6d7e;--brand:#0e4c92;--deep:#08315f;--accent:#f2b544;--line:#dce5ef;--soft:#f5f8fb;--ok:#087b55;--r:12px;--shadow:0 10px 28px rgba(15,44,77,.08);--font:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:15px/1.7 var(--font)}a{color:var(--brand);text-decoration:none}a:hover{color:var(--deep)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:12px;top:-80px;background:#fff;padding:9px 13px;z-index:300}.skip:focus{top:10px}.site-head{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{min-height:68px;display:flex;align-items:center;gap:22px}.logo{display:inline-flex;align-items:center;gap:9px;color:var(--ink);min-width:max-content}.logo img{width:42px;height:42px;object-fit:contain}.logo b{display:block;font-size:14px;line-height:1.2}.logo small{display:block;font-size:10px;color:var(--muted);letter-spacing:.06em}.menu{display:flex;align-items:center;gap:2px;margin-left:auto}.menu a{padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink);font-weight:650}.menu a:hover,.menu a.on{background:#eef5fc;color:var(--brand)}.nav-action{margin-left:8px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:9px;font-weight:750;white-space:nowrap;transition:.18s}.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--deep);color:#fff}.btn-accent{background:var(--accent);color:#271a04}.btn-accent:hover{background:#ffc95f;color:#271a04}.btn-ghost{border-color:#bed0e3;background:#fff;color:var(--brand)}.btn-ghost:hover{background:#eef5fc}.btn-ghost-inv{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}.btn-ghost-inv:hover{background:rgba(255,255,255,.12);color:#fff}.btn-sm{min-height:38px;padding:0 13px;font-size:13px}.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff}.burger span{display:block;width:17px;height:2px;background:var(--ink);margin:4px auto}.drawer{position:fixed;inset:0;z-index:150;visibility:hidden}.drawer.open{visibility:visible}.drawer-veil{position:absolute;inset:0;background:#071c31b8;opacity:0;transition:.2s}.drawer.open .drawer-veil{opacity:1}.drawer-panel{position:absolute;right:0;top:0;height:100%;width:min(350px,90vw);padding:18px;background:#fff;transform:translateX(100%);transition:.22s;box-shadow:-16px 0 35px #071c3130;overflow:auto}.drawer.open .drawer-panel{transform:none}.d-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:24px;line-height:1}.d-link{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-weight:700;color:var(--ink)}.d-link.on{color:var(--brand)}.tabbar{display:none}
.hero{background:linear-gradient(120deg,#081a2e,#0e3a66 62%,#155b98);color:#fff}.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center;padding:54px 0 62px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:#c8e1fb}.eyebrow:before{content:"";width:15px;height:2px;background:var(--accent)}.eyebrow.dark{color:var(--brand)}.hero h1{margin:14px 0;font-size:clamp(30px,4.2vw,48px);line-height:1.2;letter-spacing:-.02em}.hero h1 strong{color:#ffd477}.hero p{max-width:620px;color:#e1edf8;font-size:16px;line-height:1.9;margin:0}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.hero-photo{margin:0;border:1px solid #ffffff34;border-radius:var(--r);overflow:hidden;box-shadow:0 18px 44px #03132670;background:#0a2844}.hero-photo img{width:100%;aspect-ratio:16/9;object-fit:cover}.hero-photo figcaption{padding:8px 12px;font-size:12px;color:#d2e2f0}.sec{padding:64px 0}.sec.compact{padding-top:38px}.sec.alt{background:var(--soft)}.section-head{max-width:710px;margin:0 auto 28px;text-align:center}.section-head h2,.section-intro h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin:9px 0}.section-head p{color:var(--muted);margin:0}.section-intro{margin-bottom:22px}.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.notice-grid article,.doc-card,.evidence-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}.notice-grid b,.evidence-grid b{font-size:17px}.notice-grid p,.evidence-grid p{color:var(--muted);margin:8px 0 12px}.notice-grid a{font-weight:700}.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.app-card{display:flex;flex-direction:column;min-height:154px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink);transition:.18s}.app-card:hover{border-color:#aac5e0;box-shadow:var(--shadow);transform:translateY(-2px)}.app-card span{font-size:13px;color:var(--brand);font-weight:800}.app-card b{font-size:15px;line-height:1.5;margin:8px 0}.app-card em{margin-top:auto;font-style:normal;font-size:13px;color:var(--muted);font-weight:700}.center{text-align:center;margin-top:25px}.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cat{display:flex;flex-direction:column;gap:11px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink);min-height:164px;transition:.18s}.cat:hover{border-color:#9bbadd;box-shadow:var(--shadow);transform:translateY(-2px)}.cat-top{display:flex;gap:10px;align-items:center}.cat h3{margin:0;font-size:16px}.cat small{display:block;color:var(--muted);font-size:11px;letter-spacing:.06em}.cat p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.65}.ico{width:38px;height:38px;display:grid;place-items:center;flex:none;border-radius:9px;background:#edf5fc;color:var(--brand);font-weight:800;font-size:20px}.cat-meta{margin-top:auto;display:flex;justify-content:space-between;gap:8px;color:var(--brand);font-size:12px;font-weight:750}.cta-band{background:#081a2e;color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:42px 0}.cta-inner h2{margin:0;font-size:25px}.cta-inner p{color:#c2d2e2;margin:8px 0 0}.page-head{padding:30px 0 32px;border-bottom:1px solid var(--line);background:var(--soft)}.crumb{display:flex;gap:8px;color:var(--muted);font-size:13px;margin-bottom:9px}.page-head h1{margin:0;font-size:32px;line-height:1.2}.page-en{margin-top:5px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.page-head p{max-width:710px;margin:10px 0 0;color:var(--muted)}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:10px}.search-wrap{position:relative;display:block;min-width:min(100%,390px);flex:1}.search-wrap>span{position:absolute;left:13px;top:8px;font-size:23px;color:var(--muted)}.search-wrap input{width:100%;height:46px;padding:0 13px 0 39px;border:1px solid var(--line);border-radius:9px;background:#fff}.filter-actions{display:flex;gap:7px;flex-wrap:wrap}.filter-btn{height:40px;padding:0 13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);font-weight:700}.filter-btn.on,.filter-btn:hover{border-color:var(--brand);background:#edf5fc;color:var(--brand)}.filter-hint{min-height:24px;color:var(--muted);font-size:13px}.tbl-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow)}table.tbl{width:100%;border-collapse:collapse;min-width:880px}.tbl th{text-align:left;background:#f2f6fa;padding:13px 15px;font-size:13px;white-space:nowrap}.tbl td{padding:14px 15px;border-top:1px solid var(--line);vertical-align:top;color:var(--muted);line-height:1.65}.tbl td.c1{color:var(--ink);font-weight:800;white-space:nowrap}.kind{display:inline-block;padding:3px 8px;border-radius:99px;background:#eff5fb;color:var(--brand);font-size:12px;font-weight:800;white-space:nowrap}.kind-compound{background:#fff4df;color:#94600b}.text-link{font-weight:750}.source{font-size:12px;color:var(--brand);white-space:nowrap}.note,.source-note,.form-note{color:var(--muted);font-size:13px}.source-note{margin:12px 0}.source-note .source{white-space:normal}.application{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:21px}.app-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.application-top{display:flex;align-items:center;gap:10px}.application h2{font-size:20px;margin:0}.badge{padding:4px 8px;border-radius:99px;background:#edf5fc;color:var(--brand);font-size:11px;font-weight:800;white-space:nowrap}.application dl{margin:17px 0 0}.application dt{font-size:12px;color:var(--brand);font-weight:800;margin-top:10px}.application dd{margin:3px 0;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.page-photo{margin:0;border:1px solid var(--line);border-radius:var(--r);background:#eef3f8;overflow:hidden}.page-photo img{width:100%;aspect-ratio:16/9;object-fit:cover}.page-photo figcaption{padding:8px 11px;color:var(--muted);font-size:12px}.about-txt h2{font-size:30px;margin:9px 0 14px}.about-txt p{color:var(--muted);line-height:1.9}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.process-list{max-width:830px;display:grid;gap:13px}.vstep{display:grid;grid-template-columns:48px 1fr;gap:15px;align-items:start}.step-no{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#edf5fc;border:1px solid #b9d0e6;color:var(--brand);font-weight:850}.vstep h2{font-size:18px;margin:5px 0}.vstep p{margin:0;color:var(--muted)}.resource-grid{display:grid;grid-template-columns:280px 1fr;gap:25px;align-items:start}.license-thumb{margin:0;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}.license-thumb img{width:100%;aspect-ratio:900/1273;object-fit:cover}.license-thumb figcaption{padding:8px 11px;color:var(--muted);font-size:12px}.info-box,.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:23px;box-shadow:var(--shadow)}.info-box h2,.form-card h2{margin:0 0 15px;font-size:21px}.info-box dl{display:grid;grid-template-columns:100px 1fr;margin:0}.info-box dt,.info-box dd{padding:9px 0;border-bottom:1px solid var(--line)}.info-box dt{color:var(--muted);font-weight:700}.info-box dd{margin:0}.doc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.doc-card b{display:block;font-size:16px}.doc-card p{color:var(--muted);font-size:13px;min-height:42px}.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:start}.prep-list{padding-left:20px;color:var(--muted);line-height:2}.boundary-note{margin-top:20px;padding:14px;background:#fff7e8;border-left:3px solid var(--accent);color:#6d4c15}.boundary-note p{margin:5px 0 0}.form-head{display:flex;align-items:center;justify-content:space-between}.form-head span{font-size:12px;color:var(--ok);font-weight:750}.form-card>label,.f-row>label{display:block;margin-top:13px;font-size:13px;font-weight:750}.f-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}.inp{display:block;width:100%;min-height:44px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fbfdff;margin-top:5px}.inp:focus,.copy-box:focus,.search-wrap input:focus{outline:3px solid #0e4c9230;border-color:var(--brand)}textarea.inp{min-height:105px;resize:vertical}.copy-row{display:flex;gap:9px;margin-top:16px;flex-wrap:wrap}.copy-box{display:block;width:100%;min-height:180px;margin-top:14px;padding:12px;border:1px solid var(--line);border-radius:8px;background:#f8fafc;resize:vertical;line-height:1.7}.err-page{min-height:55vh;display:grid;place-items:center;text-align:center}.code{font-size:76px;line-height:1;color:var(--brand);font-weight:850}
footer{background:#081a2e;color:#c3d2e1}.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:30px;padding:42px 0}.f-brand .logo,.f-brand .logo b{color:#fff}.f-brand .logo small{color:#a7bdd2}.f-brand p,.f-contact p{font-size:13px;line-height:1.8}.f-links{padding:0;margin:0;list-style:none}.f-links li{margin:5px 0}.f-links a,footer a{color:#c3d2e1;font-size:13px}footer a:hover{color:#fff}footer h5{color:#fff;font-size:14px;margin:0 0 10px}.f-bottom{border-top:1px solid #ffffff1a;padding:15px 0 20px;color:#91a9bd;font-size:12px}.totop{position:fixed;right:18px;bottom:18px;width:42px;height:42px;border:0;border-radius:9px;background:var(--brand);color:#fff;opacity:0;visibility:hidden;transition:.2s;z-index:70}.totop.show{opacity:1;visibility:visible}
[data-rv]{opacity:0;transform:translateY(10px);transition:.45s ease;transition-delay:var(--d,0s)}[data-rv].in{opacity:1;transform:none}:focus-visible{outline:3px solid #f2b544;outline-offset:2px}
@media(max-width:1000px){.menu,.nav-action{display:none}.burger{display:block;margin-left:auto}.hero-inner{grid-template-columns:1fr;gap:25px}.cat-grid{grid-template-columns:repeat(3,1fr)}.app-grid{grid-template-columns:repeat(2,1fr)}.doc-grid{grid-template-columns:repeat(2,1fr)}.f-grid{grid-template-columns:1.4fr 1fr 1fr}.f-contact{grid-column:span 3}.tabbar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:90;bottom:0;left:0;right:0;padding:5px 5px calc(5px + env(safe-area-inset-bottom));background:#fffffff7;border-top:1px solid var(--line)}.tabbar a{text-align:center;padding:8px 2px;color:var(--muted);font-size:12px;font-weight:750}.tabbar a.on{color:var(--brand);background:#edf5fc;border-radius:8px}body{padding-bottom:65px}.totop{bottom:75px}}
@media(max-width:700px){.wrap{width:calc(100% - 28px)}.sec{padding:47px 0}.hero-inner{padding:38px 0 45px}.hero h1{font-size:30px}.hero p{font-size:15px}.notice-grid,.evidence-grid,.app-detail-grid,.split,.contact-grid,.resource-grid{grid-template-columns:1fr}.cat-grid{grid-template-columns:repeat(2,1fr)}.cat{min-height:150px;padding:13px}.cat h3{font-size:15px}.cat p{font-size:13px}.section-head h2,.section-intro h2{font-size:26px}.page-head{padding:25px 0}.page-head h1{font-size:28px}.gallery{grid-template-columns:1fr}.f-grid{grid-template-columns:1fr 1fr;gap:20px}.f-brand,.f-contact{grid-column:span 2}.f-contact{grid-column:span 2}.f-grid{padding:30px 0}.f-row{grid-template-columns:1fr}.filter-bar{align-items:stretch}.filter-actions{width:100%;overflow:auto;flex-wrap:nowrap}.filter-btn{flex:none}.tbl-wrap{border:0;overflow:visible;box-shadow:none;background:transparent}.tbl{min-width:0!important}.tbl thead{display:none}.tbl tbody{display:grid;gap:10px}.tbl tbody tr{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px}.tbl td{display:block;padding:3px 0;border:0}.tbl td.c1{font-size:16px}.tbl td:not(.c1):before{content:attr(data-label) " · ";font-size:11px;color:var(--muted);font-weight:700}.tbl td:last-child{padding-top:9px}.doc-grid{grid-template-columns:1fr}.info-box dl{grid-template-columns:88px 1fr}.cta-inner{display:block;padding:34px 0}.cta-inner .btn{margin-top:18px}.app-card{min-height:145px}.about-txt h2{font-size:25px}}
@media(max-width:430px){.cat-grid,.app-grid{grid-template-columns:1fr}.hero-actions .btn{flex:1}.f-grid{display:block}.f-grid>div{margin-bottom:22px}.f-grid>div:last-child{margin-bottom:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}[data-rv]{opacity:1;transform:none}}

/* Progressive enhancement and keyboard-safe interaction. */
[data-rv]{opacity:1;transform:none}
.js [data-rv]{opacity:0;transform:translateY(10px)}
.js [data-rv].in{opacity:1;transform:none}
[hidden]{display:none!important}
[id]{scroll-margin-top:88px}
body.no-scroll{overflow:hidden}
.license-pages{display:grid;gap:12px}
.license-thumb img{width:100%;height:auto;aspect-ratio:1800/1279;object-fit:contain;background:#f4f7fa}
.license-thumb figcaption{padding:8px 11px;color:var(--muted);font-size:12px}
.drawer-panel{transition-property:transform}
.drawer-veil{transition-property:opacity}
/* Keep source photos within the editorial layout, including portrait originals. */
.hero-photo img,.page-photo img{height:auto;aspect-ratio:16/9;object-fit:cover}
.hero-inner{padding:40px 0;gap:32px}
.hero h1{font-size:38px}
.sec{padding:48px 0}
.section-head h2,.section-intro h2{font-size:28px}
.gallery{grid-template-columns:repeat(3,1fr)}
@media(max-width:1000px){.hero-inner{grid-template-columns:1fr 1fr;gap:24px}.hero h1{font-size:30px}.hero p{font-size:15px}.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.hero-inner{grid-template-columns:1fr;padding:28px 0;gap:20px}.sec{padding:32px 0}.hero h1{font-size:28px}.section-head h2,.section-intro h2{font-size:24px}.gallery{grid-template-columns:1fr}.hero-photo img{max-height:220px}.license-pages{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.license-thumb figcaption{font-size:11px;padding:6px}}
