/* SGMY Guide 新马通 — static stylesheet. No external fonts, no JS. */
:root{
  --navy:#0f2a44;--navy-2:#163a5c;--navy-3:#1f4d75;
  --teal:#0b6b69;--teal-2:#0e8a86;--teal-soft:#e3f3f1;--teal-line:#b7e0db;
  --amber:#f0b04a;--amber-ink:#7a4a00;--amber-soft:#fff6e5;--amber-line:#efc77a;
  --warn:#b4540a;--warn-soft:#fff4ea;--warn-line:#f3c69b;
  --ink:#16202c;--ink-2:#3a4657;--muted:#5a6676;--line:#e3e8ef;--line-2:#d5dce6;
  --bg:#f6f8fb;--card:#fff;
  --radius:14px;--radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,42,68,.06),0 1px 1px rgba(15,42,68,.04);
  --shadow:0 1px 2px rgba(15,42,68,.05),0 8px 24px -8px rgba(15,42,68,.14);
  --shadow-lg:0 2px 4px rgba(15,42,68,.06),0 18px 40px -12px rgba(15,42,68,.22);
  --font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",sans-serif;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:16.5px;line-height:1.65;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"cv11","ss01"}
img,svg{max-width:100%}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--navy);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--navy);padding:8px 12px;border-radius:8px;z-index:50}
.skip:focus{left:8px}
.ico{width:1.25em;height:1.25em;flex:none;vertical-align:-.2em}
.ico-sm{width:1.05em;height:1.05em}
.ico-xs{width:.95em;height:.95em}


/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(15,42,68,.02)}
.header-inner{display:flex;align-items:center;gap:12px 24px;min-height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);flex:none}
.logo-mark{display:block;flex:none}
.logo-word{display:block;height:30px;width:auto;overflow:visible}
.lw-en{font:800 21px var(--font);fill:var(--navy);letter-spacing:-.02em}
.lw-zh{font:700 19px var(--font);fill:var(--teal)}
.lw-sep{fill:#c9d3df}
.wrap-article{max-width:1060px}
.site-nav{display:flex;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.site-nav::-webkit-scrollbar{display:none}
.site-nav a{color:var(--ink-2);text-decoration:none;font-weight:550;font-size:15px;padding:8px 12px;border-radius:8px;white-space:nowrap;transition:background .15s,color .15s}
.site-nav a:hover{background:#eef2f7;color:var(--navy)}
.site-nav a[aria-current=page]{color:var(--teal);background:var(--teal-soft)}

/* headings & text */
h1,h2,h3{color:var(--navy);letter-spacing:-.015em}
h1{font-size:clamp(28px,4.4vw,42px);line-height:1.15;margin:.2em 0 .35em;font-weight:800}
h2{font-size:clamp(21px,2.6vw,26px);line-height:1.3;margin:2em 0 .6em;font-weight:750}
h3{font-size:18.5px;line-height:1.35;margin:1.6em 0 .4em;font-weight:700}
.lede{font-size:clamp(17px,1.8vw,19px);color:var(--ink-2);line-height:1.6;max-width:68ch;margin:.2em 0 1em}
.note{display:flex;gap:8px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.note .ico{margin-top:.2em;color:var(--teal)}

/* page head band */
.page-head{background:linear-gradient(180deg,#fff 0%,#f1f5f9 100%);border-bottom:1px solid var(--line);padding:22px 0 18px}
.head-row{display:flex;align-items:center;gap:14px}
.head-ico{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--navy);color:#fff;flex:none;box-shadow:var(--shadow)}
.head-ico .ico{width:28px;height:28px}
.head-row h1{margin:.15em 0}
.page-head .lede{margin-top:.6em}
#main{padding-top:28px;padding-bottom:64px}

/* breadcrumb */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0 0 12px;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li{display:inline-flex;align-items:center;max-width:100%}
.crumbs li+li::before{content:"";width:6px;height:6px;border-right:1.5px solid #9aa6b5;border-top:1.5px solid #9aa6b5;transform:rotate(45deg);margin:0 10px 0 6px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--teal);text-decoration:underline}
.crumbs li[aria-current]{color:var(--ink-2);font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* verified badge */
.verified{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:14px;margin:.4em 0 0}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--teal-soft);color:#075653;border:1px solid var(--teal-line);border-radius:999px;padding:4px 12px 4px 10px;font-weight:650;font-size:13.5px}
.verified-link{font-weight:550}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:
  radial-gradient(900px 400px at 85% -10%,rgba(79,195,184,.28),transparent 60%),
  radial-gradient(700px 380px at -10% 110%,rgba(240,176,74,.18),transparent 60%),
  linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#11506a 100%);
  padding:64px 0 120px}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.hero-inner{position:relative;z-index:1}
.eyebrow{display:inline-block;margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#bfe9e4;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);padding:4px 12px;border-radius:999px}
.hero h1{color:#fff;font-size:clamp(32px,5.4vw,56px);max-width:18ch;margin:0 0 .35em;line-height:1.08;letter-spacing:-.025em}
.hero .lede{color:#d6e2ee;max-width:62ch;font-size:clamp(17px,1.9vw,20px)}
.trust{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14.5px;color:#e6eef6}
.trust li{display:inline-flex;align-items:center;gap:8px}
.trust .ico{color:var(--amber)}
.trust a{color:#fff;text-decoration-color:rgba(255,255,255,.5)}
.trust a:hover{color:var(--amber)}
.guides{position:relative;z-index:2;margin-top:-80px}

/* cards */
.cards{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card a{display:flex;flex-direction:column;height:100%;padding:22px 22px 18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s}
.card a:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--teal-line)}
.card-ico{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--teal-soft);color:var(--teal);margin-bottom:14px}
.card-lg .card-ico{background:var(--navy);color:var(--amber)}
.card-ico .ico{width:26px;height:26px}
.card h3{margin:0 0 8px;font-size:18.5px;line-height:1.3;color:var(--navy)}
.card p{margin:0 0 16px;font-size:15px;color:var(--ink-2);line-height:1.55}
.card-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;padding-top:14px;border-top:1px solid var(--line);font-size:13px}
.card-meta{display:inline-flex;align-items:center;gap:5px;color:#075653;font-weight:600}
.card-go{display:inline-flex;align-items:center;gap:5px;color:var(--teal);font-weight:700;white-space:nowrap}
.card a:hover .card-go{color:var(--navy)}

/* home blocks */
#main.home-main{padding-top:40px}
.home-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:24px;align-items:start}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px 26px;margin-top:28px}
.home-grid .block{margin-top:0}
.block h2{margin:0}
.block>h2{margin-bottom:12px}
.block-head{display:flex;gap:14px;align-items:center;margin-bottom:18px}
.block-ico{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--amber-soft);color:#9a5b00;flex:none}
.block-sub{margin:2px 0 0;font-size:14px;color:var(--muted)}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.tl-item{position:relative;display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;padding:0 0 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:150px;margin-left:8px;top:8px;width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid var(--teal);z-index:1}
.tl-item::after{content:"";position:absolute;left:150px;margin-left:13px;top:22px;bottom:-6px;width:2px;background:var(--line-2)}
.tl-item:last-child::after{display:none}
.tl-date time{display:inline-block;font-weight:750;color:var(--navy);font-size:14.5px;background:#eef3f8;border:1px solid var(--line);padding:3px 10px;border-radius:8px;white-space:nowrap}
.tl-body{padding-left:22px}
.tl-body p{margin:0 0 6px;font-size:15.5px;line-height:1.55;color:var(--ink)}
.tl-src{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;text-decoration:none;color:var(--teal);background:var(--teal-soft);padding:2px 9px;border-radius:999px}
.tl-src:hover{text-decoration:underline}

/* coming soon list */
.soon-list{list-style:none;padding:0;margin:0 0 16px}
.soon-list li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line-2);font-size:15px;color:var(--ink-2)}
.soon-list li:last-child{border-bottom:0}
.soon{display:inline-block;flex:none;font-size:11.5px;font-weight:650;text-transform:uppercase;letter-spacing:.05em;background:#eef2f7;border:1px solid var(--line);border-radius:999px;padding:1px 9px;color:var(--muted);white-space:nowrap}
.empty{color:var(--muted);background:#fff;border:1px dashed var(--line-2);border-radius:var(--radius-sm);padding:18px 20px}

/* article layout */
.article-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.article-aside{padding-top:20px;position:sticky;top:calc(var(--header-h) + 20px);max-height:calc(100vh - var(--header-h) - 40px);overflow:auto}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc-title{margin:0 0 10px;font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.toc-side{border-left:2px solid var(--line);padding-left:0}
.toc-side li a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;line-height:1.4;color:var(--ink-2);text-decoration:none}
.toc-side li a:hover{color:var(--teal);border-left-color:var(--teal)}
.toc-mobile{display:none}
.prose{max-width:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:12px 40px 36px}
.prose-wide{max-width:none}
.prose>:first-child{margin-top:24px}
.prose p,.prose li{color:var(--ink)}
.prose h2{padding-top:1.1em;border-top:1px solid var(--line);margin-top:1.8em}
.prose h2:first-child,.prose .summary h2{border-top:0;padding-top:0}
.prose ul,.prose ol{padding-left:1.35em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--teal)}
.prose strong{color:var(--navy);font-weight:700}
.prose a{word-break:break-word}
.prose code{font-size:.88em;background:#eef2f7;padding:1px 5px;border-radius:5px}

/* summary box */
.summary{margin:24px 0 8px;background:linear-gradient(180deg,#f3faf9,#fff);border:1px solid var(--teal-line);border-left:5px solid var(--teal);border-radius:var(--radius-sm);padding:18px 22px 10px}
.summary h2{margin:0 0 6px;font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--teal)}
.summary ul{margin-top:6px}

/* callouts */
.callout{display:flex;gap:12px;align-items:flex-start;margin:18px 0;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid;font-size:15px;line-height:1.55}
.callout p{margin:0}
.callout p+p{margin-top:.5em}
.callout-ico{margin-top:1px;width:22px;height:22px}
.callout-info{background:#f2f6fb;border-color:#d6e1ee;color:var(--ink-2)}
.callout-info .callout-ico{color:var(--navy-3)}
.callout-warn{background:var(--warn-soft);border-color:var(--warn-line)}
.callout-warn .callout-ico{color:var(--warn)}
.callout-warn strong{color:#7c3a06}
.callout-ok{background:var(--teal-soft);border-color:var(--teal-line)}
.callout-ok .callout-ico{color:var(--teal)}
.callout-ok strong{color:#075653}


/* affiliate link slot (labelled, plain links, no scripts) */
.aff{margin:18px 0;padding:12px 16px;background:#fbfcfe;border:1px solid var(--line-2);border-left:4px solid var(--teal-line);border-radius:var(--radius-sm);font-size:15px;color:var(--ink-2);line-height:1.55}
.aff a{font-weight:600}
.aff small{color:var(--muted);font-size:12.5px;white-space:nowrap}

/* tables */
.table-wrap{overflow-x:auto;margin:16px 0 20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
th,td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:var(--navy);color:#fff;font-weight:650;font-size:13.5px;letter-spacing:.01em;white-space:nowrap}
tbody tr:nth-child(even) td{background:#f8fafc}
tbody tr:hover td{background:#eef6f5}
tbody tr:last-child td{border-bottom:0}
.nowrap{white-space:nowrap}
.cite{font-size:.72em;vertical-align:super;text-decoration:none;line-height:0;font-weight:700;color:var(--teal);margin-left:1px}
h2 .cite,h3 .cite{font-size:.55em}
#sources+ol li,ol li[id^=src-]{word-break:break-word;margin:.45em 0;font-size:14.5px;color:var(--ink-2)}
li[id^=src-]:target{background:var(--amber-soft);outline:2px solid var(--amber-line);border-radius:4px}
.sources h2 a{text-decoration:none;color:var(--navy)}
.sources h2 a:hover{color:var(--teal)}

/* footer */
.site-footer{background:var(--navy);color:#c3d0de;font-size:14.5px;padding:44px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1.3fr 1fr 1fr;gap:28px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin:0 0 10px}
.footer-logo .logo-mark{width:32px;height:32px}
.footer-logo .logo-mark rect{fill:#1f4d75}
.footer-brand p{margin-top:0;max-width:34ch}
.site-footer h2{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#8fa6bd;margin:4px 0 12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:7px 0}
.site-footer a{color:#e8eef5;text-decoration:none}
.site-footer a:hover{color:var(--amber);text-decoration:underline}
.footer-legal{margin-top:30px;font-size:13px;color:#9fb2c6}
.footer-legal p{margin:0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}

/* responsive */
@media (max-width:980px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .toc-mobile{display:block;margin:20px 0 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#f8fafc}
  .toc-mobile summary{cursor:pointer;display:flex;align-items:center;gap:8px;padding:12px 14px;font-weight:700;color:var(--navy);font-size:15px;list-style:none}
  .toc-mobile summary::-webkit-details-marker{display:none}
  .toc-mobile summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
  .toc-mobile[open] summary::after{transform:rotate(-135deg)}
  .toc-mobile ol{padding:0 14px 12px 14px;counter-reset:toc}
  .toc-mobile li{counter-increment:toc;border-top:1px solid var(--line)}
  .toc-mobile li a{display:block;padding:9px 0;font-size:14.5px;text-decoration:none;color:var(--ink-2)}
  .toc-mobile li a::before{content:counter(toc) ".";display:inline-block;width:1.8em;color:var(--teal);font-weight:700}
  .prose{max-width:none}
  .cards-3{grid-template-columns:minmax(0,1fr)}
  .home-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:640px){
  :root{--header-h:auto}
  body{font-size:16px}
  .wrap{padding:0 16px}
  .header-inner{flex-wrap:wrap;gap:0;padding-top:8px}
  .brand{padding:2px 0}
  .logo-mark{width:32px;height:32px}
  .logo-word{height:26px}
  .site-nav{margin:4px -16px 0;padding:0 8px;width:calc(100% + 32px);gap:0;justify-content:space-between;border-top:1px solid var(--line)}
  .site-nav a{font-size:13.5px;padding:9px 7px 8px;border-radius:0;border-bottom:2px solid transparent}
  .site-nav a:hover{background:none}
  .site-nav a[aria-current=page]{background:none;border-bottom-color:var(--teal);font-weight:700}
  .crumbs li[aria-current]{display:none}
  .crumbs ol{margin-bottom:8px}
  thead th{white-space:normal}
  .prose{margin:0 -16px;border-radius:0;border-left:0;border-right:0;padding:4px 16px 26px}
  html{scroll-padding-top:120px}
  .hero{padding:38px 0 96px}
  .trust{flex-direction:column;gap:8px}
  .guides{margin-top:-68px}
  .cards-2{grid-template-columns:minmax(0,1fr)}
  .card a{padding:18px 18px 14px}
  .page-head{padding:16px 0 16px}
  .head-ico{width:42px;height:42px;border-radius:12px}
  .head-ico .ico{width:23px;height:23px}
  .head-row{align-items:flex-start}
  .head-row h1{font-size:26px}
  #main{padding-top:18px;padding-bottom:40px}
  .block{padding:20px 18px}
  .tl-item{grid-template-columns:minmax(0,1fr);gap:6px;padding-left:28px}
  .tl-item::before{left:0;margin-left:0;top:6px}
  .tl-item::after{left:0;margin-left:5px;top:20px}
  .tl-body{padding-left:0}
  th,td{padding:8px 10px;font-size:14px}
  thead th{font-size:13px}
  .callout{padding:12px 13px;gap:10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .soon-list li{flex-direction:column;gap:4px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.site-header,.site-footer,.article-aside,.toc-mobile{display:none}.prose{border:0;box-shadow:none;padding:0}.hero{color:#000;background:none}}