/* CACTAVO — shared styles */

:root{
  --night:#0A1020;
  --night-2:#121C2F;
  --paper:#F2F3F0;
  --paper-2:#E6E8E4;
  --ink:#0B1426;
  --muted:#5A6573;
  --muted-night:#94A4B8;
  --line:#CFD3CE;
  --line-night:#243147;
  --green:#02C266;
  --teal:#0398B2;
  --navy:#04143F;
  --sans:"Archivo","Helvetica Neue",Arial,system-ui,sans-serif;
  --gutter:clamp(20px,5vw,40px);
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0E1524;
    --paper-2:#16203300;
    --ink:#E7ECF4;
    --muted:#95A4B7;
    --line:#222E44;
  }
  :root:not([data-theme="light"]) .band--paper{background:#111A2B}
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:1140px;margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px}

a{color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--green);outline-offset:3px}

/* ---------- header ---------- */
.site-head{background:var(--night);border-bottom:1px solid var(--line-night)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;padding-bottom:16px}
.brand{display:block;line-height:0;text-decoration:none}
.brand-lockup{height:28px;width:auto;display:block}
.foot-lockup{height:46px;width:auto;display:block;margin-bottom:24px}
@media(max-width:640px){.brand-lockup{height:24px}}
.site-nav{display:flex;gap:26px}
.site-nav a{color:var(--muted-night);text-decoration:none;font-size:.88rem;font-weight:500}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff}
@media(max-width:640px){
  .site-head .wrap{flex-direction:column;align-items:flex-start;gap:12px}
  .site-nav{gap:18px;flex-wrap:wrap}
}

/* ---------- bands ---------- */
.band{padding:clamp(48px,7vw,86px) 0}
.band--night{background:var(--night);color:#E7EDF6}
.band--night .muted{color:var(--muted-night)}
.band--paper{background:var(--paper-2)}
.band--tight{padding:clamp(34px,4vw,52px) 0}

/* ---------- type ---------- */
h1,h2,h3{font-family:var(--sans);margin:0;letter-spacing:-.03em;line-height:1.05;font-weight:700}
h1{font-size:clamp(2.1rem,6vw,4rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.3rem);letter-spacing:-.025em}
h3{font-size:1.02rem;letter-spacing:-.01em;font-weight:600;line-height:1.3}
p{margin:0 0 1.1em}
.muted{color:var(--muted)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem)}
.rule{width:56px;height:3px;background:var(--green);border:0;margin:0 0 26px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--night);overflow:hidden}
/* 整张图完整显示：区块高度跟着图片原始比例走，不裁切 */
.hero-img{display:block;width:100%;height:auto}
.hero-scrim{position:absolute;inset:0;
  background:
    radial-gradient(68% 115% at 20% 56%,rgba(7,13,26,.52) 0%,rgba(7,13,26,.22) 52%,rgba(7,13,26,0) 76%),
    linear-gradient(96deg,rgba(7,13,26,.50) 0%,rgba(7,13,26,.30) 30%,rgba(7,13,26,.08) 58%,rgba(7,13,26,0) 100%)}
.hero-scrim::after{content:"";position:absolute;inset:auto 0 0 0;height:30%;
  background:linear-gradient(to top,rgba(10,16,32,.42),rgba(10,16,32,0))}
.hero-in{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding-top:0;padding-bottom:0}
.hero h1{color:#fff;max-width:15ch;text-shadow:0 2px 34px rgba(5,10,22,.95),0 2px 10px rgba(5,10,22,.7),0 1px 2px rgba(5,10,22,.6)}
.hero p{color:#E6EEF8;max-width:46ch;margin-top:22px;font-size:clamp(1rem,1.5vw,1.14rem);text-shadow:0 1px 22px rgba(5,10,22,.98),0 1px 8px rgba(5,10,22,.85),0 1px 2px rgba(5,10,22,.7)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}

.btn{display:inline-block;font-size:.93rem;font-weight:600;text-decoration:none;padding:13px 22px;border:1px solid transparent}
.btn--green{background:var(--green);color:#03220F}
.btn--green:hover{background:#04D873}
.btn--ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn--ghost:hover{border-color:#fff}
.btn--ink{background:var(--ink);color:var(--paper)}

/* ---------- capacity strip ---------- */
.strip{background:var(--navy);color:#fff}
.strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.strip-txt{font-size:.95rem;font-weight:500;letter-spacing:.005em}
.strip-txt b{font-weight:700}
.strip-txt span{color:#9FB4D6;font-weight:400}
.strip a{color:var(--green);text-decoration:none;font-weight:600;font-size:.9rem;white-space:nowrap}
.strip a:hover{text-decoration:underline}

/* ---------- photo tiles ---------- */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px}
.tile figure{margin:0}
.tile img{width:100%;height:190px;object-fit:cover;display:block}
.tile figcaption{font-size:.72rem;color:var(--muted);margin-top:6px}
.tile h3{margin:14px 0 6px}
.tile p{font-size:.94rem;color:var(--muted);margin:0}
@media(max-width:820px){.tiles{grid-template-columns:1fr;gap:30px}.tile img{height:200px}}

/* ---------- spec rows ---------- */
.specs{margin:0;border-top:1px solid var(--line)}
.band--night .specs{border-top-color:var(--line-night)}
.spec{display:grid;grid-template-columns:270px 1fr;gap:24px;padding:15px 0;border-bottom:1px solid var(--line)}
.band--night .spec{border-bottom-color:var(--line-night)}
.spec dt{margin:0;font-size:.88rem;font-weight:500;color:var(--muted)}
.band--night .spec dt{color:var(--muted-night)}
.spec dd{margin:0;font-size:1rem}
@media(max-width:640px){.spec{grid-template-columns:1fr;gap:3px;padding:13px 0}}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-night);border:1px solid var(--line-night);margin-top:40px}
.pillar{background:var(--night);padding:24px 22px}
.pillar h3{color:#fff;margin-bottom:8px}
.pillar p{font-size:.9rem;color:var(--muted-night);margin:0}
@media(max-width:880px){.pillars{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.pillars{grid-template-columns:1fr}}

/* ---------- two column ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:start}
@media(max-width:860px){.two{grid-template-columns:1fr}}

/* ---------- news ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.news-date{font-size:.85rem;color:var(--muted);font-weight:500}
.news-item h3{margin-bottom:6px}
.news-item p{margin:0;font-size:.95rem;color:var(--muted)}
@media(max-width:640px){.news-item{grid-template-columns:1fr;gap:6px}}

/* ---------- site plan ---------- */
.plan{width:100%;height:auto;max-width:520px}
.plan .lbl{font-size:11px;fill:var(--muted)}
.plan .lbl-b{font-size:11.5px;font-weight:600;fill:var(--ink)}

/* ---------- contact ---------- */
.mail{font-size:clamp(1.15rem,2.6vw,1.7rem);font-weight:600;letter-spacing:-.02em;text-decoration:none;border-bottom:2px solid var(--green);padding-bottom:2px}

/* ---------- footer ---------- */
.site-foot{background:var(--night);color:var(--muted-night);padding:44px 0 56px;font-size:.82rem;line-height:1.6}

.site-foot p{max-width:78ch;margin:0 0 10px}
.site-foot a{color:var(--muted-night)}

.figlabel{font-size:.72rem;color:var(--muted);margin-top:8px}
.band--night .figlabel{color:var(--muted-night)}

/* ---------- stats bar ---------- */
.stats{background:var(--night);border-top:1px solid var(--line-night)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding-top:0;padding-bottom:0}
.stat{padding:26px 10px 28px;text-align:center;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--line-night)}
.stat b{display:block;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;letter-spacing:-.03em;color:var(--green);line-height:1.1}
.stat span{display:block;font-size:.76rem;color:var(--muted-night);margin-top:8px;line-height:1.4}
@media(max-width:760px){
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat:nth-child(odd) + .stat::before{display:block}
  .stat:nth-child(3)::before{display:none}
}

/* ---------- feature block ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0}
.feature img{width:100%;height:100%;min-height:300px;object-fit:cover;display:block}
.feature-txt{padding:clamp(34px,5vw,64px) clamp(24px,4vw,56px)}
.feature-txt h2{margin-bottom:16px}
.feature-txt p{color:var(--muted);max-width:44ch;margin:0}
.feature--flip .feature-media{order:2}
@media(max-width:820px){
  .feature{grid-template-columns:1fr}
  .feature--flip .feature-media{order:0}
  .feature img{min-height:230px}
}
.feature-pair{display:grid;grid-template-columns:1fr 1fr;gap:0}
@media(max-width:820px){.feature-pair{grid-template-columns:1fr}}
.fp{background:var(--night);color:#E7EDF6}
.fp img{width:100%;height:230px;object-fit:cover;display:block}
.fp-txt{padding:30px clamp(22px,3vw,38px) 36px}
.fp-txt h2{font-size:clamp(1.3rem,2.4vw,1.75rem);color:#fff;margin-bottom:14px}
.fp-txt p{color:var(--muted-night);font-size:.95rem;margin:0;max-width:46ch}
.fp + .fp{border-left:1px solid var(--line-night)}
@media(max-width:820px){.fp + .fp{border-left:0;border-top:1px solid var(--line-night)}}

/* ---------- full-bleed cover band ---------- */
.cover{position:relative;overflow:hidden;background:var(--night)}
.cover-img{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.cover-scrim{position:absolute;inset:0;background:linear-gradient(95deg,rgba(10,16,32,.95) 0%,rgba(10,16,32,.8) 38%,rgba(10,16,32,.2) 78%)}
.cover-in{position:relative;padding:clamp(56px,8vw,104px) 0}
.cover h2{color:#fff;max-width:14ch;font-size:clamp(1.7rem,4vw,2.9rem)}
.cover p{color:#C3D0E2;max-width:42ch;margin-top:18px}

/* ---------- approach grid ---------- */
.approach{display:grid;grid-template-columns:1fr 2.4fr;gap:clamp(28px,5vw,60px);align-items:start}
.approach-items{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.6vw,34px)}
.approach-items h3{margin-bottom:8px}
.approach-items p{font-size:.9rem;color:var(--muted);margin:0}
.approach-items .ico{width:26px;height:26px;margin-bottom:14px;color:var(--green)}
@media(max-width:980px){.approach{grid-template-columns:1fr}.approach-items{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.approach-items{grid-template-columns:1fr}}

/* 窄屏：整张图太扁，压不住文字 —— 改成图在上、文字在下 */
@media(max-width:1040px){
  .hero-in{position:static;padding:clamp(34px,6vw,54px) 0 clamp(38px,6vw,58px)}
  .hero-scrim{display:none}
  .hero-img{opacity:1}
  .hero h1{max-width:18ch}
  .hero p{color:#A9BAD0;text-shadow:none}
  .hero h1{text-shadow:none}
}