/* 验关 — 边检通关文牒 设计系统 */
:root{
  --navy:#101F38; --navy-d:#0D1A30; --navy-2:#16264A;
  --paper:#F2EDE3; --paper-2:#E9E1CF; --paper-line:#C9BD9E;
  --red:#C8472E; --red-d:#9B3322;
  --gold:#E0B25D; --gold-d:#A9763A;
  --binance:#F0B90B;
  --green:#1D6E56; --green-l:#9CC3B3;
  --ink:#101F38; --muted:#6E6655; --muted-2:#8A7F66;
  --pp-fog:#8093B0; --pp-fog-2:#C5CEDD; --pp-fog-3:#A9B3C6;
  --sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --disp:"Big Shoulders Display",var(--sans);
  --mono:"Martian Mono",ui-monospace,"Cascadia Mono",monospace;
  --wrap:1140px;
  --r:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);background:var(--paper);color:var(--ink);font-weight:400;line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-weight:900;line-height:1.18;margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.disp{font-family:var(--disp)}
.mono{font-family:var(--mono)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---- top nav ---- */
.nav{background:var(--navy);position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(224,178,93,.22)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand .seal{width:30px;height:30px;border-radius:50%;border:2px solid var(--gold);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:14px;flex:none}
.brand .bn{color:var(--paper);font-weight:700;font-size:18px;letter-spacing:.02em}
.brand .bn em{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--gold-d);letter-spacing:.14em;margin-left:4px}
.menu{display:flex;gap:22px;align-items:center}
.menu a{color:var(--pp-fog-2);text-decoration:none;font-size:14.5px}
.menu a:hover{color:var(--gold)}
.burger{display:none;background:none;border:1px solid rgba(224,178,93,.4);color:var(--gold);border-radius:6px;width:44px;height:44px;font-size:18px;cursor:pointer}
.langsw{display:inline-flex;gap:3px;align-items:center;font-family:var(--mono);font-size:12px;border:1px solid rgba(224,178,93,.3);border-radius:20px;padding:2px}
.langsw a{padding:5px 10px;color:var(--pp-fog-2);text-decoration:none;border-radius:16px;line-height:1.3;min-height:44px;display:inline-flex;align-items:center}
.langsw a[aria-current="page"]{background:var(--gold);color:var(--navy);font-weight:700}
.langsw a:hover{color:var(--gold)}
.langsw a[aria-current="page"]:hover{color:var(--navy)}
/* ---- hero ---- */
.hero{background:var(--navy);position:relative;overflow:hidden}
.hero .frame{position:absolute;inset:8px;border:1.5px solid rgba(224,178,93,.3);border-radius:10px;pointer-events:none}
.hero .hatch,.hero .globe{position:absolute;pointer-events:none}
.hero .hatch{inset:0;width:100%;height:100%;opacity:1}
.hero .globe{left:-34px;bottom:-30px;width:210px;opacity:.12}
.hero .seal-art{position:absolute;right:-86px;top:46%;width:340px;height:340px;transform-origin:center;animation:seal-spin 46s linear infinite;pointer-events:none}
.hero .sweep{position:absolute;top:0;bottom:0;left:0;width:92px;background:rgba(240,185,11,.14);filter:blur(2px);animation:sweep 5s ease-in-out 1s infinite;pointer-events:none}
.hero .wrap{position:relative;z-index:2;padding:30px 24px 0}
.eyebrow{font-family:var(--mono);color:var(--gold);font-size:11.5px;letter-spacing:.3em;margin:0 0 8px}
.hero-h1{position:relative;height:auto}
.hero-h1::before{content:attr(data-ghost);font-family:var(--disp);font-weight:900;font-size:clamp(78px,16vw,138px);line-height:.82;letter-spacing:-.01em;position:absolute;left:5px;top:6px;color:var(--red);opacity:.5}
.hero-h1 .front{font-family:var(--disp);font-weight:900;font-size:clamp(78px,16vw,138px);line-height:.82;letter-spacing:-.01em;display:block;position:relative;color:var(--binance);text-shadow:2px 2px 0 rgba(0,0,0,.2)}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.hero-lead{color:var(--pp-fog-2);font-size:16px;line-height:1.7;max-width:24em;margin:16px 0 0}
.mrz{position:relative;z-index:2;font-family:var(--mono);font-size:10.5px;color:var(--muted-2);letter-spacing:.04em;margin:12px 0 0;padding:0 24px}
.mrz .car{animation:blink 1s step-end infinite}
.disclosure{position:relative;z-index:2;background:var(--navy-d);color:var(--pp-fog);font-family:var(--mono);font-size:10.5px;padding:9px 24px;margin-top:14px;border-top:1px solid rgba(224,178,93,.16)}
.disclosure .wrap{padding:0;max-width:var(--wrap);display:flex;flex-wrap:wrap;gap:4px 18px}

/* ---- generic section ---- */
.sec{padding:54px 0}
.sec.navy{background:var(--navy);color:var(--paper)}
.sec.paper{background:var(--paper)}
.sec.paper-2{background:var(--paper-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:11px;margin-bottom:20px}
.sec.paper .sec-head,.sec.paper-2 .sec-head{border-bottom:1.5px solid var(--navy)}
.sec.navy .sec-head{border-bottom:1.5px solid var(--gold)}
.sec-head .idx{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em}
.sec.paper .idx,.sec.paper-2 .idx{color:var(--gold-d)}
.sec.navy .idx{color:var(--gold)}
.sec-head h2{font-size:clamp(22px,4vw,28px);margin-top:5px}
.sec.navy h2{color:var(--paper)}
.sec-head .sub{font-size:12px;max-width:14em;text-align:right;line-height:1.5}
.sec.paper .sub,.sec.paper-2 .sub{color:var(--muted)}
.sec.navy .sub{color:var(--pp-fog)}

/* ---- timeline (通关流程) ---- */
.tl{position:relative}
.tl:before{content:"";position:absolute;left:21px;top:8px;bottom:8px;width:0;border-left:1.5px dashed var(--paper-line)}
.tl-row{display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;padding:13px 0}
.tl-row+.tl-row{border-top:1px solid rgba(16,31,56,.1)}
.tl-stamp{position:relative;z-index:1;width:44px;height:44px;border-radius:50%;border:2px solid var(--red);background:var(--paper);color:var(--red);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:15px;font-weight:500}
.tl-row.done .tl-stamp{border-color:var(--green);color:var(--green)}
.tl-body h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.tl-body p{margin:2px 0 0;font-size:13px;color:var(--muted);line-height:1.55}
.tl-tag{font-family:var(--mono);font-size:10px;border-radius:20px;padding:4px 11px;white-space:nowrap;border:1px solid}
.tl-tag.g{color:var(--green);border-color:var(--green-l)}
.tl-tag.r{color:var(--red-d);border-color:#D9A99C}
.tl-tag.a{color:var(--gold-d);border-color:#D8BE94}

/* ---- tools (查验台) ---- */
.tools-grid{display:flex;gap:18px;flex-wrap:wrap}
.tool-feat{flex:1.1;min-width:260px;background:var(--paper);color:var(--ink);border-radius:12px;padding:17px 18px}
.sec.navy .tool-feat{box-shadow:0 14px 30px -16px rgba(0,0,0,.5)}
.tool-feat .tf-head{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--gold-d);display:flex;justify-content:space-between}
.tool-feat .tf-sel{margin:11px 0 9px;display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid #D3C8AC;border-radius:7px;padding:10px 13px;font-size:13.5px}
.tool-feat .tf-sel b{color:var(--gold-d);font-weight:700}
.tool-feat .tf-rows{font-size:13px;line-height:2}
.tool-feat .yes{color:var(--green)}
.tool-feat .no{color:var(--red-d)}
.tool-feat .tf-note{font-size:10px;color:var(--muted-2);margin-top:7px;border-top:1px dashed var(--paper-line);padding-top:7px}
.tool-list{flex:1;min-width:240px}
.tool-list a{text-decoration:none;display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:12px 2px}
.sec.navy .tool-list a{border-bottom:1px solid rgba(224,178,93,.22)}
.sec.paper .tool-list a,.sec.paper-2 .tool-list a{border-bottom:1px solid rgba(16,31,56,.12)}
.tool-list a:last-child{border-bottom:0}
.tool-list .tn{font-weight:700;font-size:14.5px}
.sec.navy .tool-list .tn{color:var(--paper)}
.tool-list .td{font-family:var(--mono);font-size:10.5px;margin-top:2px}
.sec.navy .tool-list .td{color:var(--pp-fog)}
.sec.paper .tool-list .td{color:var(--muted-2)}
.tool-list .arr{color:var(--gold)}
.sec.paper .tool-list .arr,.sec.paper-2 .tool-list .arr{color:var(--red)}

/* ---- article list (过检手记) ---- */
.feat-art{text-decoration:none;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;background:var(--navy);border-radius:12px;padding:18px 20px;margin-bottom:6px}
.feat-art .fn{font-family:var(--disp);color:var(--binance);font-size:56px;font-weight:900;line-height:.78}
.feat-art h3{color:var(--paper);font-size:18px;font-weight:700;line-height:1.4}
.feat-art .meta{font-family:var(--mono);color:var(--pp-fog);font-size:10.5px;margin-top:6px}
.art-row{text-decoration:none;display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:14px 2px;border-bottom:1px solid rgba(16,31,56,.12)}
.art-row:last-child{border-bottom:0}
.art-row .an{font-family:var(--disp);color:var(--red);font-size:31px;font-weight:800}
.art-row h3{color:var(--ink);font-size:15.5px;font-weight:700;line-height:1.45}
.art-row .meta{font-family:var(--mono);color:var(--muted-2);font-size:10px;margin-top:3px}
.art-row .arr{color:var(--red)}

/* ---- trust band ---- */
.trust{background:var(--navy-d);color:var(--pp-fog);font-family:var(--mono);font-size:11px;line-height:1.7;padding:15px 0}
.trust .wrap{display:flex;flex-wrap:wrap;gap:6px 22px}
.trust b{color:var(--gold);font-weight:500}

/* ---- footer ---- */
.foot{background:var(--navy);color:var(--paper);padding:30px 0 22px;border-top:1px solid rgba(224,178,93,.18)}
.foot-cols{display:flex;flex-wrap:wrap;gap:22px 30px}
.foot-col{min-width:138px}
.foot-col .ch{font-family:var(--mono);color:var(--gold);font-size:10px;letter-spacing:.14em;margin-bottom:9px}
.foot-col a{color:var(--pp-fog-3);font-size:13px;line-height:2.05;text-decoration:none;display:block}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;border-top:1px solid rgba(224,178,93,.18);margin-top:20px;padding-top:15px}
.foot-copy{font-family:var(--mono);color:#6E7B95;font-size:10px}

/* ---- buttons / misc ---- */
.btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:11px 22px;border-radius:24px;font-size:15px;border:none;cursor:pointer}
.btn:hover{background:var(--red-d)}
.btn.gold{background:var(--binance);color:var(--navy)}
.btn.ghost{background:transparent;border:1.5px solid var(--gold);color:var(--gold)}

/* ---- article page ---- */
.crumbs{font-family:var(--mono);font-size:11px;color:var(--muted-2);padding:16px 0 0}
.crumbs a{color:var(--gold-d);text-decoration:none}
.article{max-width:760px;margin:0 auto;padding:8px 24px 50px}
.article-head{padding:14px 0 18px;border-bottom:2px solid var(--navy)}
.article-head .kicker{font-family:var(--mono);color:var(--red);font-size:11px;letter-spacing:.16em}
.article-head h1{font-size:clamp(26px,5vw,38px);margin:9px 0 10px;color:var(--ink);line-height:1.2}
.article-head .dek{color:var(--muted);font-size:16px;line-height:1.7}
.article-meta{font-family:var(--mono);font-size:11px;color:var(--muted-2);margin-top:12px;display:flex;flex-wrap:wrap;gap:5px 16px}
.article-disc{font-family:var(--mono);font-size:11.5px;color:var(--muted-2);letter-spacing:.02em;margin:14px 0 0;padding:7px 12px;background:var(--paper-2);border-left:3px solid var(--gold);border-radius:0 4px 4px 0}
.article-cover{margin:20px 0}
.article-cover img{border-radius:10px;width:100%}
.article-cover figcaption{font-size:11.5px;color:var(--muted-2);margin-top:7px;font-family:var(--mono)}
.toc{background:var(--paper-2);border:1px solid var(--paper-line);border-left:4px solid var(--red);border-radius:0 var(--r) var(--r) 0;padding:14px 18px;margin:24px 0}
.toc .tl-h{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--gold-d);margin-bottom:7px}
.toc ol{margin:0;padding-left:20px;font-size:14.5px}
.toc li{padding:3px 0}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--red)}
.prose{font-size:16.5px;line-height:1.85;color:#1b2233}
.prose h2{font-size:24px;margin:34px 0 12px;color:var(--ink);padding-top:6px}
.prose h2:before{content:"§ ";color:var(--gold-d);font-family:var(--mono);font-size:18px}
.prose h3{font-size:19px;margin:24px 0 9px;color:var(--ink)}
.prose p{margin:0 0 15px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:24px}
.prose li{margin:6px 0}
.prose a{color:var(--red-d);text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink)}
.prose blockquote{margin:18px 0;padding:12px 18px;background:var(--paper-2);border-left:4px solid var(--gold);border-radius:0 var(--r) var(--r) 0;color:#33302a;font-size:15px}
.callout{margin:18px 0;border:1px solid var(--paper-line);border-radius:var(--r);padding:14px 16px;background:#fbf8f1}
.callout.warn{border-color:#E3B7AC;background:#fbeeea}
.callout.note{border-color:#C9DCD2;background:#eef6f1}
.callout .ct{font-family:var(--mono);font-size:11px;letter-spacing:.1em;display:flex;align-items:center;gap:7px;margin-bottom:6px}
.callout.warn .ct{color:var(--red-d)}.callout.note .ct{color:var(--green)}
.callout p{margin:0;font-size:14.5px}
.hands{margin:22px 0;background:var(--navy);color:var(--paper);border-radius:10px;padding:16px 18px}
.hands .ht{font-family:var(--mono);color:var(--gold);font-size:11px;letter-spacing:.12em;margin-bottom:7px}
.hands p{margin:0;font-size:15px;color:var(--pp-fog-2);line-height:1.75}
.cta-inline{margin:22px 0;background:var(--paper-2);border:1px dashed var(--red);border-radius:10px;padding:16px 18px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between}
.cta-inline .ci-code{font-family:var(--mono);font-size:20px;color:var(--navy);font-weight:500}
.cta-inline .ci-t{font-size:14px;color:var(--ink)}
.cta-inline .ci-t b{color:var(--red)}
.faq{margin:28px 0}
.faq details{border-bottom:1px solid var(--paper-line);padding:12px 0}
.faq summary{font-weight:700;font-size:16px;cursor:pointer;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--red);font-family:var(--mono)}
.faq details[open] summary:after{content:"–"}
.faq p{margin:10px 0 2px;font-size:15px;color:#33302a}
.sources{margin:26px 0 0;font-size:13.5px;color:var(--muted)}
.sources .st{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--gold-d);margin-bottom:6px}
.sources a{color:var(--red-d)}
.byline{margin:30px 0 0;border-top:1px solid var(--paper-line);padding-top:16px;display:flex;gap:13px;align-items:flex-start}
.byline .av{width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:var(--disp);font-weight:800;flex:none}
.byline .bt{font-size:13px;color:var(--muted);line-height:1.6}
.byline .bt b{color:var(--ink)}
.related{margin:26px 0 0}
.related a{display:block;text-decoration:none;color:var(--ink);border-top:1px solid var(--paper-line);padding:11px 0;font-weight:700;font-size:15px}
.related a:hover{color:var(--red)}
.related a span{font-family:var(--mono);font-size:10px;color:var(--gold-d);display:block;font-weight:400;margin-top:2px}

/* ---- tool page ---- */
.tool-wrap{max-width:820px;margin:0 auto;padding:8px 24px 50px}
.tool-panel{background:#fff;border:1px solid var(--paper-line);border-radius:12px;padding:20px;margin:20px 0}
.field{margin:14px 0}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--gold-d);margin-bottom:6px}
.field select,.field input[type=text],.field input[type=number]{width:100%;font-family:var(--sans);font-size:15px;padding:11px 13px;border:1px solid #D3C8AC;border-radius:8px;background:var(--paper);color:var(--ink);min-height:44px}
.field select:focus,.field input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,71,46,.12)}
.check{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--paper-2)}
.check input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--red)}
.result{margin-top:16px;background:var(--paper-2);border-radius:10px;padding:15px 17px}
.result .rt{font-family:var(--mono);font-size:11px;color:var(--gold-d);letter-spacing:.1em;margin-bottom:8px}
.tool-note{font-size:12px;color:var(--muted-2);margin-top:12px;border-top:1px dashed var(--paper-line);padding-top:10px;line-height:1.6}
.tbl{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0}
.tbl th,.tbl td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--paper-line)}
.tbl th{font-family:var(--mono);font-size:11px;color:var(--gold-d);letter-spacing:.06em}
.tbl tr:hover td{background:var(--paper-2)}
.empty{padding:16px 4px;color:var(--muted-2);font-size:14px;font-family:var(--mono)}
.cdate{font-family:var(--mono);font-size:12px;color:var(--gold-d);letter-spacing:.08em;margin:0 0 4px}

/* ---- page header (sub pages) ---- */
.page-hero{background:var(--navy);color:var(--paper);padding:30px 0 26px;position:relative;overflow:hidden}
.page-hero .frame{position:absolute;inset:8px;border:1.5px solid rgba(224,178,93,.26);border-radius:10px;pointer-events:none}
.page-hero .eyebrow{position:relative}
.page-hero h1{position:relative;font-size:clamp(26px,5.5vw,42px);color:var(--paper);margin-top:8px}
.page-hero p{position:relative;color:var(--pp-fog-2);max-width:34em;margin:12px 0 0;font-size:15px}

/* ---- compliance / prose pages ---- */
.doc{max-width:760px;margin:0 auto;padding:8px 24px 50px}
.doc h2{font-size:22px;margin:28px 0 10px;color:var(--ink)}
.doc h2:before{content:"§ ";color:var(--gold-d);font-family:var(--mono)}
.doc p,.doc li{font-size:16px;line-height:1.85;color:#1b2233}
.doc ul{padding-left:22px}

/* ---- animations ---- */
@keyframes seal-spin{to{transform:rotate(360deg)}}
@keyframes sweep{0%{transform:translateX(-40%) skewX(-16deg);opacity:0}25%{opacity:.5}55%{opacity:0}100%{transform:translateX(880%) skewX(-16deg);opacity:0}}
@keyframes blink{50%{opacity:0}}

/* ---- responsive ---- */
@media(max-width:860px){
  .menu{display:none}
  .burger{display:block}
  .menu.open{display:flex;position:absolute;top:62px;left:0;right:0;background:var(--navy-d);flex-direction:column;gap:0;padding:8px 24px 16px;border-bottom:1px solid rgba(224,178,93,.2)}
  .menu.open a{padding:11px 0;border-bottom:1px solid rgba(224,178,93,.12);width:100%}
  .menu.open .langsw{align-self:flex-start;margin:2px 0 8px}
  .menu.open .langsw a{border:0;width:auto;padding:5px 12px;min-height:44px}
  .hero .seal-art{right:-130px;top:auto;bottom:-40px;width:260px;opacity:.5}
  .sec-head{flex-direction:column;align-items:flex-start}
  .sec-head .sub{text-align:left;max-width:none}
}
@media(max-width:520px){
  .hero .wrap{padding:24px 18px 0}
  .wrap{padding:0 18px}
  .hero-h1::before,.hero-h1 .front{font-size:clamp(64px,21vw,92px)}
  .article-head{padding:8px 0 10px}
  .article-head .dek{font-size:15px}
  .article-cover{margin:8px 0}
  .article-cover img{max-height:150px;object-fit:cover}
  .article-cover figcaption{margin-top:4px}
  .feat-art{grid-template-columns:1fr}
  .feat-art .fn{font-size:42px}
  .art-row{grid-template-columns:34px 1fr auto;gap:10px}
  .tl-row{grid-template-columns:40px 1fr;gap:12px}
  .tl-tag{grid-column:2;justify-self:start;margin-top:2px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  .hero .seal-art,.hero .sweep,.mrz .car{animation:none}
}