/* GreenCo Hong Kong — hksar.greenco-esg.com
   Shared stylesheet. Corporate green #48BD70. Bright, light-dominant. */

:root{
  --brand:#48BD70;          /* corporate green */
  --brand-hi:#5FD189;       /* hover / highlight */
  --brand-ink:#1F7A45;      /* green type on light — passes AA */
  --brand-deep:#14603A;
  --tint:#EDFAF2;           /* palest wash */
  --tint-2:#DCF3E4;
  --ink:#0E2A21;            /* darkest surface */
  --ink-2:#14382B;
  --text:#17251F;
  --mute:#4E6058;
  --mute-2:#6B7C73;
  --rule:#DCEDE3;
  --rule-dark:#2A5343;
  --amber:#B87A14;          /* deadline marker only */
  --amber-lt:#F0D9A8;
  --white:#FFFFFF;
  --paper:#F7FCF9;
  --shadow-sm:0 1px 2px rgba(14,42,33,.05),0 4px 14px rgba(14,42,33,.05);
  --shadow-md:0 2px 4px rgba(14,42,33,.05),0 14px 40px rgba(14,42,33,.08);
  --f-display:"Newsreader",Georgia,"Times New Roman",serif;
  --f-ui:"Archivo","Helvetica Neue",Arial,sans-serif;
  --max:1180px;
  --pad:clamp(1.15rem,4vw,2.75rem);
  --r:14px;
}
html[lang^="zh"]{
  --f-cjk:"Archivo","PingFang HK","PingFang TC","Noto Sans HK","Microsoft JhengHei","Heiti TC","Helvetica Neue",Arial,sans-serif;
  --f-display:var(--f-cjk);
  --f-ui:var(--f-cjk);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--white);color:var(--text);font-family:var(--f-ui);font-size:1rem;line-height:1.62;-webkit-font-smoothing:antialiased}
html[lang^="zh"] body{line-height:1.8}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2.5px solid var(--brand-ink);outline-offset:3px;border-radius:3px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;letter-spacing:-.015em;line-height:1.14;margin:0 0 .7rem;color:var(--ink)}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3,html[lang^="zh"] h4{font-weight:700;letter-spacing:0;line-height:1.34}
h1{font-size:clamp(2.05rem,5vw,3.7rem);line-height:1.06;letter-spacing:-.025em}
html[lang^="zh"] h1{font-size:clamp(1.8rem,4.4vw,3rem);line-height:1.24}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
html[lang^="zh"] h2{font-size:clamp(1.45rem,3vw,2.2rem)}
h3{font-size:clamp(1.1rem,1.9vw,1.4rem);letter-spacing:-.01em}
h4{font-family:var(--f-ui);font-weight:700;font-size:.95rem;letter-spacing:.005em}
html[lang^="zh"] h4{font-size:.98rem}
p{margin:0 0 1rem;max-width:66ch}
html[lang^="zh"] p{max-width:40em}
.lede{font-size:clamp(1.02rem,1.5vw,1.2rem);color:var(--mute);line-height:1.6}
html[lang^="zh"] .lede{line-height:1.82;font-size:clamp(1rem,1.4vw,1.12rem)}
.eyebrow{font-family:var(--f-ui);font-size:.688rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-ink);margin:0 0 .9rem;display:flex;align-items:center;gap:.6rem}
html[lang^="zh"] .eyebrow{font-size:.75rem;letter-spacing:.1em;text-transform:none}
.eyebrow::before{content:"";width:1.6rem;height:2px;background:var(--brand);flex:none}
.on-dark .eyebrow{color:#8FDCA9}
.on-dark,.on-dark p,.on-dark .lede{color:#DCEFE4}
.on-dark h1,.on-dark h2,.on-dark h3,.on-dark h4{color:#fff}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.narrow{max-width:52rem;margin-inline:auto}
section{padding-block:clamp(2.75rem,6.5vw,5rem)}
.band-tint{background:var(--tint)}
.band-paper{background:var(--paper)}
.band-dark{background:var(--ink)}
.rule-top{border-top:1px solid var(--rule)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.75rem 1.1rem;z-index:300}
.skip:focus{left:.5rem;top:.5rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--f-ui);font-weight:700;font-size:.875rem;line-height:1.4;padding:.82rem 1.4rem;border-radius:999px;border:1.5px solid transparent;text-decoration:none;cursor:pointer;min-height:44px;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--brand);color:#06291A;box-shadow:0 2px 10px rgba(72,189,112,.35)}
.btn--primary:hover{background:var(--brand-hi);box-shadow:0 6px 20px rgba(72,189,112,.42)}
.btn--outline{border-color:var(--brand-ink);color:var(--brand-ink)}
.btn--outline:hover{background:var(--tint)}
.btn--quiet{border-color:var(--rule);color:var(--text);background:var(--white)}
.btn--quiet:hover{border-color:var(--brand);color:var(--brand-ink)}
.on-dark .btn--outline{border-color:#4E8B70;color:#DCEFE4}
.on-dark .btn--outline:hover{background:rgba(255,255,255,.08)}
.btnrow{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.75rem}
@media (prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.hdr__in{display:flex;align-items:center;gap:.75rem;min-height:64px;max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);flex:none}
.brand img{width:32px;height:32px;flex:none}
.brand__name{font-family:var(--f-ui);font-weight:700;font-size:1.08rem;letter-spacing:-.015em;line-height:1.15}
.brand__sub{display:block;font-family:var(--f-ui);font-size:.625rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--mute-2);margin-top:2px}
html[lang^="zh"] .brand__sub{font-size:.66rem;letter-spacing:.06em;text-transform:none}

.nav{margin-left:auto;display:flex;align-items:center;gap:.15rem}
.nav>ul{display:flex;align-items:center;gap:.1rem;list-style:none;margin:0;padding:0}
.nav a{display:block;font-family:var(--f-ui);font-size:.813rem;font-weight:600;color:var(--text);text-decoration:none;padding:.5rem .62rem;border-radius:7px;transition:color .15s,background .15s;white-space:nowrap}
html[lang^="zh"] .nav a{font-size:.85rem}
.nav a:hover{color:var(--brand-ink);background:var(--tint)}
.nav a[aria-current="page"]{color:var(--brand-ink);background:var(--tint)}
.nav__lang{border:1px solid var(--rule);margin-left:.3rem}
.nav__cta{background:var(--brand) !important;color:#06291A !important;padding:.56rem 1.05rem !important;border-radius:999px;box-shadow:0 2px 8px rgba(72,189,112,.3)}
.nav__cta:hover{background:var(--brand-hi) !important}

/* dropdown */
.has-sub{position:relative}
.has-sub>a::after{content:"";display:inline-block;width:5px;height:5px;margin-left:.4rem;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg)}
.sub{position:absolute;top:calc(100% + 6px);left:0;min-width:16rem;background:var(--white);border:1px solid var(--rule);border-radius:12px;box-shadow:var(--shadow-md);padding:.5rem;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s ease,transform .16s ease,visibility .16s}
.sub--wide{min-width:32rem;display:grid;grid-template-columns:1fr 1fr;gap:.1rem}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{opacity:1;visibility:visible;transform:none}
.sub a{font-size:.813rem;font-weight:600;padding:.5rem .65rem;white-space:normal;line-height:1.35}
.sub .sub__all a{color:var(--brand-ink)}
@media (max-width:1120px){.nav__desk{display:none}}

/* mobile menu */
.nav__lang--mobile{display:none}
.burger{display:none;margin-left:auto;background:var(--white);border:1px solid var(--rule);border-radius:9px;width:44px;height:40px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mnav{display:none;border-top:1px solid var(--rule);background:var(--white);max-height:min(76vh,40rem);overflow-y:auto}
.mnav ul{list-style:none;margin:0;padding:.6rem var(--pad) 1.1rem}
.mnav a{display:block;padding:.72rem .2rem;font-size:.95rem;font-weight:600;text-decoration:none;border-bottom:1px solid var(--rule)}
.mnav .mnav__h{font-size:.688rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute-2);padding:1.1rem .2rem .35rem}
html[lang^="zh"] .mnav .mnav__h{font-size:.75rem;letter-spacing:.06em;text-transform:none}
.mnav .btn{margin-top:1rem;width:100%}
@media (max-width:1120px){
  .burger{display:flex;margin-left:0}
  .nav__lang--mobile{display:inline-flex;align-items:center;margin-left:auto;margin-right:.5rem;
    font-size:.813rem;font-weight:600;color:var(--text);text-decoration:none;
    padding:.5rem .8rem;border:1px solid var(--rule);border-radius:9px;min-height:40px;
    transition:color .15s,background .15s,border-color .15s}
  .nav__lang--mobile:hover{color:var(--brand-ink);background:var(--tint);border-color:var(--brand)}
  .mnav.open{display:block}
}

/* ---------- hero (bright) ---------- */
.hero{position:relative;overflow:hidden;background:var(--white);padding-block:clamp(2.5rem,6vw,4.5rem) clamp(2.25rem,5vw,3.5rem)}
.hero::before{content:"";position:absolute;inset:-30% -20% auto auto;width:min(880px,105vw);aspect-ratio:1;background:radial-gradient(circle at 62% 46%,rgba(72,189,112,.30),rgba(72,189,112,.08) 46%,transparent 68%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:auto auto -45% -18%;width:min(620px,80vw);aspect-ratio:1;background:radial-gradient(circle at 50% 50%,rgba(72,189,112,.16),transparent 66%);pointer-events:none}
.hero__in{position:relative;z-index:1}
.hero h1{max-width:21ch}
html[lang^="zh"] .hero h1{max-width:20em}
.hero .lede{max-width:56ch;margin-top:1.1rem}
html[lang^="zh"] .hero .lede{max-width:34em}
.hero--sub{padding-block:clamp(2rem,4.5vw,3.25rem) clamp(1.5rem,3vw,2.25rem);border-bottom:1px solid var(--rule)}
.hero--sub h1{font-size:clamp(1.85rem,4.2vw,3rem);max-width:24ch}
html[lang^="zh"] .hero--sub h1{font-size:clamp(1.6rem,3.6vw,2.5rem);max-width:22em}

.pill{display:inline-flex;align-items:center;gap:.5rem;background:var(--tint-2);color:var(--brand-deep);font-size:.75rem;font-weight:700;letter-spacing:.02em;padding:.4rem .85rem;border-radius:999px;margin-bottom:1.1rem}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}

.trust{list-style:none;margin:2.25rem 0 0;padding:1.1rem 0 0;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--mute)}
html[lang^="zh"] .trust{font-size:.82rem;letter-spacing:.02em;text-transform:none}
.trust li{display:flex;align-items:center;gap:.45rem}
.trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}

/* ---------- breadcrumb ---------- */
.crumb{font-size:.75rem;color:var(--mute-2);padding-top:1rem}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.3rem .5rem;margin:0;padding:0}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--brand-ink);text-decoration:underline}
.crumb li+li::before{content:"/";margin-right:.5rem;color:var(--rule)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:var(--r);overflow:hidden}
.stat{background:var(--white);padding:1.5rem 1.35rem}
.stat b{display:block;font-family:var(--f-display);font-weight:500;font-size:clamp(2rem,4.5vw,2.9rem);line-height:1;letter-spacing:-.03em;color:var(--brand-ink)}
html[lang^="zh"] .stat b{font-weight:700;letter-spacing:-.01em}
.stat span{display:block;margin-top:.5rem;font-size:.813rem;font-weight:600;color:var(--mute);line-height:1.4}

/* ---------- cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.25rem,3vw,2rem)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));gap:clamp(1.15rem,2.5vw,1.6rem)}
@media (max-width:820px){.grid-2{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--rule);border-radius:var(--r);padding:clamp(1.25rem,3vw,1.9rem);display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.card h3{margin-bottom:.5rem}
.card p{font-size:.94rem;color:var(--mute)}
.card .btn{align-self:flex-start;margin-top:auto}
.card--link{text-decoration:none;transition:border-color .18s,box-shadow .18s,transform .18s}
.card--link:hover{border-color:var(--brand);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card--link h3{color:var(--ink)}
.card--link .more{margin-top:auto;padding-top:.9rem;font-size:.813rem;font-weight:700;color:var(--brand-ink)}
.card--link .more::after{content:" →"}
@media (prefers-reduced-motion:reduce){.card--link:hover{transform:none}}

.taglist{list-style:none;margin:.35rem 0 1.4rem;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}
.taglist li{font-size:.75rem;font-weight:600;padding:.34rem .7rem;border-radius:999px;background:var(--tint);border:1px solid var(--tint-2);color:var(--brand-deep);line-height:1.5}
html[lang^="zh"] .taglist li{font-size:.8rem}

/* ---------- checklist ---------- */
.check{list-style:none;margin:0 0 1.5rem;padding:0;display:grid;gap:.65rem}
.check li{position:relative;padding-left:1.85rem;font-size:.95rem;line-height:1.6}
.check li::before{content:"";position:absolute;left:0;top:.42em;width:1.1rem;height:1.1rem;border-radius:50%;background:var(--tint-2)}
.check li::after{content:"";position:absolute;left:.335rem;top:.7em;width:.42rem;height:.24rem;border-left:2px solid var(--brand-deep);border-bottom:2px solid var(--brand-deep);transform:rotate(-45deg)}
.on-dark .check li::before{background:rgba(72,189,112,.25)}
.on-dark .check li::after{border-color:#8FDCA9}

/* ---------- obligation finder ---------- */
.finder{background:var(--tint);border-block:1px solid var(--tint-2)}
.tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0}
.tab{font-family:var(--f-ui);font-weight:700;font-size:.813rem;background:var(--white);color:var(--text);border:1.5px solid var(--rule);padding:.62rem 1.05rem;border-radius:999px;cursor:pointer;min-height:44px;transition:background .16s,color .16s,border-color .16s}
html[lang^="zh"] .tab{font-size:.875rem}
.tab:hover{border-color:var(--brand);color:var(--brand-ink)}
.tab[aria-selected="true"]{background:var(--brand);border-color:var(--brand);color:#06291A}
.panel{background:var(--white);border:1px solid var(--rule);border-radius:var(--r);padding:clamp(1.15rem,3vw,2rem);box-shadow:var(--shadow-sm)}
.js .panel[hidden]{display:none}
.panel__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(1.25rem,3vw,2.5rem)}
@media (max-width:760px){.panel__grid{grid-template-columns:1fr;gap:1.5rem}}
.deadline{display:inline-flex;margin:0 0 .9rem;font-family:var(--f-ui);font-size:.75rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--amber);border-left:3px solid var(--amber-lt);padding-left:.7rem;line-height:1.5}
html[lang^="zh"] .deadline{font-size:.82rem;letter-spacing:.02em;text-transform:none}
.panel h3{margin-bottom:.55rem}
.panel p{font-size:.94rem;color:var(--mute)}
.side-h{font-family:var(--f-ui);font-size:.688rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute-2);margin:0 0 .75rem}
html[lang^="zh"] .side-h{font-size:.75rem;letter-spacing:.06em;text-transform:none}
.maplist{list-style:none;margin:0 0 1.25rem;padding:0;display:grid;gap:.4rem}
.maplist li{font-size:.875rem;font-weight:600;padding:.55rem .75rem;background:var(--tint);border-radius:8px;border-left:2px solid var(--brand);line-height:1.5}
.maplist a{text-decoration:none}
.maplist a:hover{color:var(--brand-ink);text-decoration:underline}

/* ---------- service clusters ---------- */
.cluster{border-top:1px solid var(--rule);padding-top:1.5rem;margin-top:2.5rem}
.cluster:first-of-type{margin-top:2rem}
.cluster__head{display:grid;grid-template-columns:minmax(0,15rem) 1fr;gap:clamp(1rem,3vw,2.5rem);align-items:start}
@media (max-width:820px){.cluster__head{grid-template-columns:1fr;gap:.5rem}}
.cluster__head h2,.cluster__head h3{font-size:clamp(1.3rem,2.2vw,1.65rem);margin:0}
.cluster__head p{font-size:.94rem;color:var(--mute);margin:0}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15.5rem),1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:12px;overflow:hidden;margin-top:1.5rem}
.svc{background:var(--white);padding:1.4rem;text-decoration:none;display:flex;flex-direction:column;transition:background .18s}
.svc:hover{background:var(--tint)}
.svc h3,.svc h4{margin:0 0 .45rem;font-family:var(--f-ui);font-weight:700;font-size:.95rem;line-height:1.4}
.svc p{margin:0;font-size:.875rem;color:var(--mute);line-height:1.55}
.svc__tag{display:block;font-family:var(--f-ui);font-size:.688rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:.55rem}
html[lang^="zh"] .svc__tag{font-size:.75rem;letter-spacing:.04em;text-transform:none}
.svc__tag--amber{color:var(--amber)}
.svc .more{margin-top:auto;padding-top:.85rem;font-size:.75rem;font-weight:700;color:var(--brand-ink)}
.svc .more::after{content:" →"}

/* ---------- steps ---------- */
.steps{list-style:none;counter-reset:s;margin:2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));gap:clamp(1.25rem,3vw,2rem)}
.steps li{counter-increment:s;padding-top:1.1rem;border-top:2px solid var(--brand)}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-family:var(--f-ui);font-size:.75rem;font-weight:700;letter-spacing:.1em;color:var(--brand-ink);margin-bottom:.5rem}
.steps h3,.steps h4{margin-bottom:.35rem}
.steps p{font-size:.875rem;color:var(--mute);margin:0}
.on-dark .steps li{border-top-color:var(--brand)}
.on-dark .steps li::before{color:#8FDCA9}
.on-dark .steps p{color:#B9D6C6}

/* ---------- quotes ---------- */
.quote{background:var(--white);border:1px solid var(--rule);border-radius:var(--r);padding:1.6rem;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.quote blockquote{margin:0 0 1.1rem;font-family:var(--f-display);font-size:1.05rem;line-height:1.5;color:var(--text)}
html[lang^="zh"] .quote blockquote{font-size:.98rem;line-height:1.8}
.quote blockquote::before{content:"";display:block;width:1.75rem;height:3px;background:var(--brand);margin-bottom:.9rem}
.quote figcaption{margin-top:auto;font-size:.813rem;color:var(--mute);padding-top:.9rem;border-top:1px solid var(--rule)}
.quote figcaption b{display:block;color:var(--text);font-size:.875rem}

/* ---------- posts ---------- */
.posts{list-style:none;margin:1.75rem 0 0;padding:0;display:grid;gap:1px;background:var(--rule);border-block:1px solid var(--rule)}
.posts li{background:var(--white)}
.posts a{display:flex;flex-wrap:wrap;align-items:baseline;gap:.35rem 1rem;padding:1.05rem .35rem;text-decoration:none;transition:background .16s,padding-left .16s}
.posts a:hover{background:var(--tint);padding-left:.8rem}
.posts time{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--mute-2);flex:none;min-width:7.5rem}
html[lang^="zh"] .posts time{font-size:.8rem;letter-spacing:0;text-transform:none}
.posts .t{font-family:var(--f-display);font-size:1.05rem;line-height:1.35;flex:1 1 18rem;color:var(--ink)}
html[lang^="zh"] .posts .t{font-family:var(--f-ui);font-weight:600;font-size:1rem;line-height:1.6}
.posts a::after{content:"↗";color:var(--brand-ink);font-size:.9rem;flex:none}

/* ---------- faq ---------- */
.faq{margin-top:1.75rem;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 2.2rem 1.1rem 0;position:relative;font-family:var(--f-ui);font-weight:600;font-size:.985rem;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-ink)}
.faq summary::after{content:"";position:absolute;right:.4rem;top:1.5rem;width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .2s ease}
html[lang^="zh"] .faq summary::after{top:1.65rem}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .answer{padding:0 2.5rem 1.35rem 0}
.faq .answer p{font-size:.925rem;color:var(--mute);margin:0 0 .7rem}
.faq .answer p:last-child{margin-bottom:0}

/* ---------- prose ---------- */
.prose h2{margin-top:2.5rem;font-size:clamp(1.4rem,2.6vw,1.9rem)}
.prose h3{margin-top:1.9rem}
.prose>*:first-child{margin-top:0}
.prose p,.prose li{color:var(--mute)}
.prose strong{color:var(--text)}
.prose ul{padding-left:1.2rem;margin:0 0 1.2rem}
.prose li{margin-bottom:.45rem}

/* ---------- callout ---------- */
.callout{background:var(--tint);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;padding:1.15rem 1.35rem;margin:1.75rem 0}
.callout p{margin:0;font-size:.94rem;color:var(--text)}
.callout p+p{margin-top:.7rem}

/* ---------- CTA block ---------- */
.cta{background:linear-gradient(135deg,var(--ink) 0%,#1A4936 100%);border-radius:var(--r);padding:clamp(1.5rem,4vw,2.75rem);position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:auto -8% -60% auto;width:min(460px,70%);aspect-ratio:1;background:radial-gradient(circle at 50% 50%,rgba(72,189,112,.28),transparent 65%);pointer-events:none}
.cta__in{position:relative;z-index:1}
.cta h2{max-width:26ch;color:#fff}
html[lang^="zh"] .cta h2{max-width:22em}
.cta p{color:#C9E4D5;max-width:52ch}
html[lang^="zh"] .cta p{max-width:34em}

.cta-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
@media (max-width:820px){.cta-grid{grid-template-columns:1fr}}
.cblock{border-top:1px solid var(--rule);padding-top:1.15rem}
.cblock+.cblock{margin-top:1.35rem}
.cblock h3{font-family:var(--f-ui);font-size:.688rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute-2);margin-bottom:.5rem}
html[lang^="zh"] .cblock h3{font-size:.75rem;letter-spacing:.06em;text-transform:none}
.cblock p{font-size:.94rem;color:var(--mute);margin:0}
.cblock a{color:var(--brand-ink);font-weight:600;text-decoration:none;border-bottom:1px solid var(--tint-2)}
.cblock a:hover{border-bottom-color:var(--brand)}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:#A8C9B7;font-size:.813rem;padding-block:2.75rem 6rem}
html[lang^="zh"] .ftr{font-size:.85rem}
.ftr__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:1.75rem}
@media (max-width:880px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ftr__grid{grid-template-columns:1fr}}
.ftr h2,.ftr h3{color:#fff;font-family:var(--f-ui);font-size:.688rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.8rem}
html[lang^="zh"] .ftr h2,html[lang^="zh"] .ftr h3{font-size:.75rem;letter-spacing:.06em;text-transform:none}
.ftr p{color:#A8C9B7;max-width:28ch}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.ftr a{text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr__brand{display:flex;align-items:center;gap:.55rem;margin-bottom:.9rem}
.ftr__brand img{width:28px;height:28px}
.ftr__brand b{color:#fff;font-size:1.05rem;letter-spacing:-.01em}
.ftr__base{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid #26493A;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between}
@media (min-width:781px){.ftr{padding-bottom:2.75rem}}

/* ---------- mobile dock ---------- */
.dock{position:fixed;bottom:0;left:0;right:0;z-index:150;display:none;gap:.5rem;padding:.55rem .7rem calc(.55rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--rule);box-shadow:0 -4px 20px rgba(14,42,33,.08)}
.dock .btn{flex:1;font-size:.813rem;padding:.72rem .5rem}
@media (max-width:780px){.dock{display:flex}}

/* ---------- reveal ---------- */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}}

/* ---------- utility ---------- */
.mt0{margin-top:0}
.mb0{margin-bottom:0}
.center{text-align:center}
.center p,.center .lede{margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}