/* ==========================================================================
   Windowstech Hub — shared stylesheet
   --------------------------------------------------------------------------
   规则：所有页面用「相对路径」引用资源与互链。
     · 根页面      (site/index.html)        → assets/site.css ; solutions/ ; contact/
     · 子目录页面  (site/solutions/index.html) → ../assets/site.css ; ../contact/ ; ../
   原因：相对路径在本地双击（file://）和线上（Cloudflare Pages）都能工作。
   唯一例外：404.html 必须用绝对路径（它会在任意路径下被请求）。
   ========================================================================== */

/* ---------- self-hosted fonts (no requests to Google) ---------- */
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url('fonts/ibm-plex-mono-500.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/ibm-plex-sans-400.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;
  src:url('fonts/ibm-plex-sans-500.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;
  src:url('fonts/ibm-plex-sans-600.woff2') format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;
  src:url('fonts/ibm-plex-sans-700.woff2') format('woff2');
}

:root{
  --ink:#0B1C2C; --ink-2:#12293E; --ink-3:#1B3A55;
  --paper:#FFFFFF; --paper-2:#F6F8FA;
  --text:#16202E; --muted:#5A6B7C;
  --line:#E3E8EF; --line-dark:rgba(255,255,255,.14);
  --accent:#E8A33D; --accent-soft:#FDF4E4;
  --ok:#1E7F5C; --no:#8A5A3B;
  --ff:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --fm:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1180px;
  --pad:clamp(20px,4vw,40px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--ff);font-size:1rem;line-height:1.6;
     -webkit-font-smoothing:antialiased;text-wrap:pretty}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.14;font-weight:600;color:var(--ink)}
h1{font-size:clamp(2.5rem,5.2vw,4.1rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,2.7vw,2.35rem)}
h3{font-size:1.16rem;line-height:1.35}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-family:var(--fm);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.eyebrow.on-dark{color:rgba(255,255,255,.62)}
.lead{font-size:clamp(1.06rem,1.5vw,1.22rem);color:var(--muted);max-width:62ch}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:.97rem;text-decoration:none;
     padding:.85rem 1.5rem;border-radius:4px;border:1px solid transparent;transition:.16s ease;white-space:nowrap;cursor:pointer}
.btn-primary{background:var(--accent);color:#0B1C2C}
.btn-primary:hover{background:#F2B355}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--ink)}
.btn-sm{padding:.62rem 1.05rem;font-size:.9rem}
a:focus-visible,.btn:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible
  {outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

/* ---------- announcement ---------- */
.announce{background:var(--ink);color:rgba(255,255,255,.86);font-size:.82rem;font-family:var(--fm)}
.announce .wrap{display:flex;gap:16px;justify-content:space-between;align-items:center;min-height:40px;flex-wrap:wrap}
.announce a{color:var(--accent);text-decoration:none}
.announce a:hover{text-decoration:underline}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line)}
.hdr .wrap{position:relative;display:flex;align-items:center;gap:clamp(16px,3vw,42px);min-height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:700;font-size:1.14rem;letter-spacing:-.02em;color:var(--ink)}
.brand .mark{width:30px;height:30px;flex:0 0 30px;border-radius:7px;background:var(--ink);display:grid;place-items:center}
.brand .mark svg{width:19px;height:19px}
.nav{display:flex;gap:clamp(14px,2vw,30px);margin-left:auto}
.nav a{text-decoration:none;font-size:.95rem;font-weight:500;color:var(--muted);padding:.35rem 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--accent)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
.hdr .btn{margin-left:6px}
.nav-toggle{display:none}
.menu-toggle{display:none}
@media (max-width:880px){
  .nav{display:none}
  .menu-toggle{display:inline-flex;align-items:center;margin-left:auto;border:1px solid var(--line);background:#fff;
               border-radius:4px;padding:.55rem .8rem;font-family:var(--fm);font-size:.78rem;letter-spacing:.08em;cursor:pointer}
  .nav-toggle:checked ~ .nav{display:flex;flex-direction:column;gap:0;position:absolute;top:100%;
      left:calc(var(--pad) * -1);right:calc(var(--pad) * -1);background:#fff;border-bottom:1px solid var(--line);
      padding:6px var(--pad) 14px;box-shadow:0 18px 30px -22px rgba(11,28,44,.45)}
  .nav-toggle:checked ~ .nav a{padding:.9rem 0;border-bottom:1px solid var(--line);font-size:1rem;color:var(--ink)}
}

/* ---------- partner bar ---------- */
.partner{background:var(--ink-2);color:rgba(255,255,255,.8);font-size:.85rem;border-bottom:1px solid var(--line-dark)}
.partner .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;min-height:52px;padding-top:8px;padding-bottom:8px}
.partner .slot{border:1px dashed rgba(255,255,255,.34);border-radius:4px;padding:.34rem .7rem;font-family:var(--fm);font-size:.72rem;color:rgba(255,255,255,.66);letter-spacing:.04em}
.partner .sep{flex:1}
.partner strong{color:#fff;font-weight:600}
.partner a{color:var(--accent);text-decoration:none}
.partner a:hover{text-decoration:underline}
@media (max-width:720px){.partner .sep{display:none}.partner .wrap{gap:10px 18px}}

/* ---------- hero (home) ---------- */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);
             align-items:center;padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(48px,7vw,84px)}
.hero h1{color:#fff;max-width:19ch}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lead{color:rgba(255,255,255,.72);margin:24px 0 32px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-trust{margin:34px 0 0;padding-top:22px;border-top:1px solid var(--line-dark);
            display:flex;gap:10px 26px;flex-wrap:wrap;font-family:var(--fm);font-size:.78rem;color:rgba(255,255,255,.66)}
.hero-trust span::before{content:"—";color:var(--accent);margin-right:8px}
.hero-art{position:relative;aspect-ratio:1/1;max-width:460px;justify-self:end;width:100%}
.hero-art svg{width:100%;height:100%;display:block}
.hero::after{content:"";position:absolute;inset:0;background:
   radial-gradient(1100px 480px at 88% 8%,rgba(232,163,61,.13),transparent 60%),
   linear-gradient(180deg,rgba(255,255,255,.045),transparent 42%);pointer-events:none}
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
}

/* ---------- page hero (sub pages) ---------- */
.page-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-hero .wrap{position:relative;z-index:2;padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(40px,5vw,64px)}
.page-hero h1{color:#fff;font-size:clamp(2rem,3.9vw,3rem);max-width:24ch}
.page-hero .lead{color:rgba(255,255,255,.72);margin:20px 0 0}
.page-hero .hero-cta{margin-top:28px}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
   background:radial-gradient(900px 380px at 92% 0%,rgba(232,163,61,.12),transparent 62%)}

/* ---------- generic section ---------- */
section{padding:clamp(56px,8vw,104px) 0}
section.tight{padding:clamp(40px,5vw,64px) 0}
.sec-head{max-width:70ch;margin-bottom:clamp(30px,4vw,54px)}
.sec-head h2{margin-bottom:16px}
.hairline{border-top:1px solid var(--line)}
.bg-alt{background:var(--paper-2)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(26px,4vw,60px);align-items:start}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}}

/* ---------- pillars (editorial rows, not cards) ---------- */
.pillar{display:grid;grid-template-columns:64px minmax(0,1.05fr) minmax(0,1.25fr);gap:clamp(14px,3vw,36px);
        padding:clamp(24px,3.4vw,38px) 0;border-top:1px solid var(--line);align-items:start}
.pillar:last-of-type{border-bottom:1px solid var(--line)}
.pillar .num{font-family:var(--fm);font-size:.86rem;color:var(--accent);letter-spacing:.08em;padding-top:.35rem}
.pillar h3{font-size:clamp(1.2rem,1.9vw,1.5rem)}
.pillar .kicker{font-family:var(--fm);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.pillar p{color:var(--muted);margin:0 0 14px}
.pillar .meta{display:flex;gap:18px;flex-wrap:wrap;align-items:baseline;font-size:.9rem}
.pillar .meta .price{font-family:var(--fm);font-weight:500;color:var(--ink);background:var(--accent-soft);padding:.28rem .6rem;border-radius:4px}
.pillar .meta a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:1px;font-weight:500}
.pillar .meta a:hover{color:#000;background:var(--accent-soft)}
@media (max-width:820px){
  .pillar{grid-template-columns:1fr;gap:8px}
  .pillar .num{padding-top:0}
}

/* ---------- service icons（内联 SVG，不引图标库，保持 0 第三方请求）---------- */
.pillar .ico{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--line);
             border-radius:9px;background:var(--accent-soft);transition:.16s ease}
.pillar .ico svg{width:23px;height:23px;fill:none;stroke:var(--accent);stroke-width:1.7;
                 stroke-linecap:round;stroke-linejoin:round}
.pillar:hover .ico{border-color:var(--accent);background:#fff}
@media (max-width:820px){.pillar .ico{width:40px;height:40px}.pillar .ico svg{width:21px;height:21px}}

/* ---------- vendor line (partner bar) ---------- */
.vendors{font-family:var(--fm);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;white-space:nowrap}
.vendors em{font-style:normal;color:var(--accent);padding:0 3px}

/* ---------- trust row（4 个短块，替代空泛的“为什么选我们”）---------- */
.trust-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.6vw,34px)}
.trust-row .t{border-top:2px solid var(--ink);padding-top:16px}
.trust-row .t h3{font-size:1rem;margin-bottom:7px}
.trust-row .t p{color:var(--muted);font-size:.92rem;margin:0}
@media (max-width:900px){.trust-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.trust-row{grid-template-columns:1fr}}

/* ---------- capability list（服务页用，图标 + 标题 + 说明）---------- */
.cap{display:grid;grid-template-columns:46px minmax(0,1fr);gap:20px;padding:clamp(22px,3vw,32px) 0;
     border-top:1px solid var(--line);align-items:start}
.cap:last-of-type{border-bottom:1px solid var(--line)}
.cap .ico{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--line);
          border-radius:9px;background:var(--accent-soft)}
.cap .ico svg{width:23px;height:23px;fill:none;stroke:var(--accent);stroke-width:1.7;
              stroke-linecap:round;stroke-linejoin:round}
.cap h3{font-size:clamp(1.1rem,1.7vw,1.34rem);margin-bottom:8px}
.cap .kicker{font-family:var(--fm);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.cap p{color:var(--muted);margin:0 0 12px}
.cap ul{margin:0;padding-left:18px;color:var(--muted);font-size:.94rem}
.cap ul li{margin-bottom:6px}
.cap .meta{display:flex;gap:16px;flex-wrap:wrap;align-items:baseline;font-size:.9rem;margin-top:4px}
.cap .meta .price{font-family:var(--fm);font-weight:500;color:var(--ink);background:var(--accent-soft);padding:.28rem .6rem;border-radius:4px}
.cap .meta a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--accent);padding-bottom:1px;font-weight:500}
.cap .meta a:hover{background:var(--accent-soft)}
.cap:hover .ico{border-color:var(--accent);background:#fff}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.6vw,34px)}
.steps.three{grid-template-columns:repeat(3,1fr)}
.step{border-top:2px solid var(--ink);padding-top:18px}
.step .n{font-family:var(--fm);font-size:.78rem;color:var(--accent);letter-spacing:.1em;display:block;margin-bottom:10px}
.step h3{font-size:1.02rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem;margin:0}
@media (max-width:900px){.steps,.steps.three{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps,.steps.three{grid-template-columns:1fr}}

/* ---------- pricing table ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.plans{width:100%;border-collapse:collapse;min-width:760px;font-size:.95rem}
table.plans th{text-align:left;font-family:var(--fm);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
                color:var(--muted);font-weight:500;padding:0 18px 12px 0;border-bottom:1px solid var(--line)}
table.plans td{padding:20px 18px 20px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted)}
table.plans td.plan{color:var(--ink);font-weight:600;font-size:1.02rem}
table.plans td.amt{font-family:var(--fm);color:var(--ink);white-space:nowrap;font-size:1.02rem}
table.plans tr.feature td{background:var(--ink);color:rgba(255,255,255,.78);border-bottom-color:var(--ink)}
table.plans tr.feature td.plan,table.plans tr.feature td.amt{color:#fff}
table.plans tr.feature td:first-child{padding-left:18px;border-radius:4px 0 0 4px}
table.plans tr.feature td:last-child{padding-right:18px;border-radius:0 4px 4px 0}
.tag{display:inline-block;font-family:var(--fm);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;
     background:var(--accent);color:#0B1C2C;border-radius:3px;padding:.2rem .45rem;margin-left:9px;vertical-align:middle}
.plans-note{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:.93rem}

/* ---------- integrity band ---------- */
.integrity{background:var(--ink-2);color:rgba(255,255,255,.8);padding:clamp(56px,8vw,104px) 0}
.integrity.tight{padding:clamp(40px,5vw,64px) 0}
.integrity .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(26px,4vw,60px);align-items:start}
.integrity h2{color:#fff;margin-bottom:16px}
.integrity p{color:rgba(255,255,255,.72)}
.integrity ul{list-style:none;margin:0;padding:0}
.integrity li{padding:14px 0;border-top:1px solid var(--line-dark);color:rgba(255,255,255,.78);display:flex;gap:14px}
.integrity li span{font-family:var(--fm);font-size:.76rem;color:var(--accent);flex:0 0 auto;padding-top:.18rem}
.logo-slots{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.logo-slots .slot{border:1px dashed rgba(255,255,255,.3);border-radius:4px;min-width:150px;min-height:52px;display:grid;place-items:center;
                  font-family:var(--fm);font-size:.68rem;color:rgba(255,255,255,.5);letter-spacing:.06em;padding:.5rem}
@media (max-width:900px){.integrity .wrap{grid-template-columns:1fr}}

/* ---------- proof list ---------- */
.proof-list{margin-top:8px}
.proof{display:block;text-decoration:none;padding:22px 0;border-top:1px solid var(--line)}
.proof:last-child{border-bottom:1px solid var(--line)}
.proof h3{margin-bottom:6px;transition:.16s}
.proof:hover h3{color:#000}
.proof .meta{font-family:var(--fm);font-size:.76rem;color:var(--muted);letter-spacing:.04em}
.proof:hover{background:linear-gradient(90deg,var(--accent-soft),transparent 65%)}

/* ---------- cover / not-cover lists ---------- */
.cover-list{list-style:none;margin:0;padding:0}
.cover-list li{padding:13px 0 13px 30px;border-top:1px solid var(--line);position:relative;color:var(--muted)}
.cover-list li:last-child{border-bottom:1px solid var(--line)}
.cover-list li::before{position:absolute;left:0;top:13px;font-family:var(--fm);font-size:.9rem}
.cover-list.yes li::before{content:"✓";color:var(--ok)}
.cover-list.no li::before{content:"✕";color:var(--no)}
.cover-list li strong{color:var(--ink);font-weight:600}

/* ---------- box ---------- */
.box{border:1px solid var(--line);border-radius:6px;padding:clamp(20px,2.6vw,28px);background:var(--paper-2)}
.box h3{margin-bottom:10px}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box.on-dark{background:rgba(255,255,255,.05);border-color:var(--line-dark);color:rgba(255,255,255,.78)}
.box.on-dark h3{color:#fff}
.box ul{margin:0;padding-left:20px}
.box li{margin-bottom:8px;color:var(--muted)}
.box.on-dark li{color:rgba(255,255,255,.78)}

/* ---------- definition rows ---------- */
.dl{margin:0;border-top:1px solid var(--line)}
.dl div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
.dl dt{font-family:var(--fm);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:.2rem}
.dl dd{margin:0;color:var(--text)}
.dl dd a{color:var(--ink)}
@media (max-width:560px){.dl div{grid-template-columns:1fr;gap:4px}}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{display:grid;gap:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.86rem;font-weight:600;color:var(--ink)}
.field label .req{color:var(--accent);font-weight:700}
.field .hint{font-size:.78rem;color:var(--muted);font-family:var(--fm)}
.form input[type=text],.form input[type=email],.form input[type=number],.form select,.form textarea{
  font-family:var(--ff);font-size:.97rem;color:var(--text);background:#fff;
  border:1px solid var(--line);border-radius:4px;padding:.72rem .85rem;width:100%}
.form textarea{min-height:130px;resize:vertical}
.form input:hover,.form select:hover,.form textarea:hover{border-color:#C9D3DE}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--ink);outline-offset:0}
.form .botcheck{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .submit-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form .submit-row span{font-size:.82rem;color:var(--muted);max-width:40ch}

/* ---------- copy-paste template block (email enquiries) ---------- */
.template{font-family:var(--fm);font-size:.84rem;line-height:1.75;white-space:pre-wrap;background:var(--paper-2);
          border:1px solid var(--line);border-radius:6px;padding:18px 20px;color:var(--text);overflow-x:auto}
.template b{color:var(--ink);font-weight:500}
.template em{font-style:normal;color:var(--accent)}

/* ---------- article prose (resources/ 文章正文排版) ---------- */
.prose{max-width:74ch;font-size:1.06rem}
.prose > * + *{margin-top:1.15em}
.prose h2{font-size:clamp(1.45rem,2.3vw,1.95rem);margin-top:2.2em;padding-top:.2em}
.prose h3{font-size:1.18rem;margin-top:1.9em}
.prose h2 + p,.prose h3 + p{margin-top:.6em}
.prose p{margin:0;color:var(--text)}
.prose ul,.prose ol{margin:0;padding-left:1.35em;color:var(--text)}
.prose li{margin:.4em 0}
.prose li > ul,.prose li > ol{margin-top:.4em}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.prose a:hover{background:var(--accent-soft)}
.prose strong{color:var(--ink);font-weight:600}
.prose code{font-family:var(--fm);font-size:.88em;background:var(--paper-2);border:1px solid var(--line);
            border-radius:4px;padding:.12em .38em;color:var(--ink)}
.prose pre{background:var(--ink);color:#E8EEF4;border-radius:6px;padding:18px 20px;overflow-x:auto;font-size:.86rem;line-height:1.65}
.prose pre code{background:none;border:0;color:inherit;padding:0;font-size:1em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose table{width:100%;border-collapse:collapse;font-size:.94rem}
.prose th{text-align:left;background:var(--paper-2);border-bottom:1px solid var(--line);padding:11px 13px;font-size:.85rem;color:var(--muted)}
.prose td{border-bottom:1px solid var(--line);padding:12px 13px;vertical-align:top}
.prose img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px;display:block}
.prose figure{margin:0}
.prose blockquote{margin:0;border-left:3px solid var(--accent);padding:2px 0 2px 18px;color:var(--muted)}
.prose > p:first-child{font-size:1.1rem}

/* ---------- article header / footer ---------- */
.article-head{max-width:74ch;margin-bottom:clamp(26px,3.4vw,40px)}
.article-meta{font-family:var(--fm);font-size:.78rem;color:var(--muted);letter-spacing:.04em;
              display:flex;gap:8px 20px;flex-wrap:wrap;margin-top:16px}
.article-cta{border:1px solid var(--line);border-radius:6px;padding:clamp(20px,2.6vw,26px);background:var(--paper-2);
             margin-top:clamp(30px,4vw,46px);max-width:74ch}
.article-cta h3{margin-bottom:10px}
.article-cta p{color:var(--muted);margin:0 0 16px}

/* ---------- article list (resources 索引) ---------- */
.post-list{margin-top:8px}
.post{display:block;text-decoration:none;padding:24px 0;border-top:1px solid var(--line)}
.post:last-child{border-bottom:1px solid var(--line)}
.post h3{margin-bottom:8px;font-size:1.2rem}
.post p{color:var(--muted);margin:0 0 10px;max-width:78ch}
.post .meta{font-family:var(--fm);font-size:.76rem;color:var(--muted);letter-spacing:.04em}
.post:hover{background:linear-gradient(90deg,var(--accent-soft),transparent 65%)}
.post:hover h3{color:#000}

/* ---------- faq ---------- */
.faq{max-width:78ch}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;padding:20px 40px 20px 0;font-weight:600;color:var(--ink);position:relative;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-family:var(--fm);color:var(--accent);font-size:1.2rem}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin:0 0 20px;max-width:70ch}

/* ---------- closing cta ---------- */
.closing{background:var(--ink);color:#fff;padding:clamp(48px,6vw,76px) 0}
.closing .wrap{display:flex;gap:28px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.closing h2{color:#fff;max-width:26ch}
.closing p{color:rgba(255,255,255,.7);margin:14px 0 0;max-width:52ch}

/* ---------- footer ---------- */
footer{background:#08151F;color:rgba(255,255,255,.62);font-size:.9rem;padding:clamp(46px,6vw,72px) 0 26px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(20px,4vw,44px)}
footer h4{color:#fff;font-size:.82rem;font-family:var(--fm);letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:500}
footer a{color:rgba(255,255,255,.62);text-decoration:none;display:block;padding:4px 0}
footer a:hover{color:var(--accent)}
footer .brandline{color:#fff;font-weight:600;font-size:1rem;margin-bottom:12px}
footer .bottom{margin-top:42px;padding-top:20px;border-top:1px solid var(--line-dark);display:flex;gap:16px;
               justify-content:space-between;flex-wrap:wrap;font-family:var(--fm);font-size:.76rem}
/* ---------- product rows (activation codes / titles) ---------- */
.prod{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.7fr);gap:clamp(14px,3vw,36px);
      padding:22px 0;border-top:1px solid var(--line);align-items:start}
.prod:last-of-type{border-bottom:1px solid var(--line)}
.prod .name{color:var(--ink);font-weight:600;font-size:1.06rem;line-height:1.3}
.prod .name small{display:block;font-family:var(--fm);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
                  color:var(--muted);font-weight:400;margin-top:7px}
.prod p{color:var(--muted);margin:0 0 10px}
.prod .how{font-family:var(--fm);font-size:.8rem;color:var(--ink)}
.prod .how em{font-style:normal;color:var(--accent)}
@media (max-width:820px){.prod{grid-template-columns:1fr;gap:8px}}

/* ---------- inline note line ---------- */
.noteline{font-family:var(--fm);font-size:.8rem;color:var(--muted);margin:18px 0 0}
.noteline strong{color:var(--ink);font-weight:500}

@media (max-width:860px){footer .cols{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}