/* 禾西禾候选站共享视觉：近白、深蓝灰、克制暖金；编辑式左右交错；移动优先 */
:root{
  --bg:#f7f8f6;
  --paper:#ffffff;
  --ink:#26313d;
  --slate:#33455a;
  --slate-2:#4c6078;
  --gold:#b9782f;
  --gold-soft:#f0dccb;
  --line:#e1e5e7;
  --soft:#eef1f1;
  --muted:#6b7580;
  --dark:#202c39;
  --dark-2:#1f2b38;
  --radius:4px;
  --shadow:0 18px 50px rgba(32,44,57,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.74 system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--slate)}
p{margin:0 0 14px}
ul,ol{margin:10px 0 0;padding-left:1.25em}
li{margin:5px 0}
h1,h2,h3{color:var(--slate);letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,40px);line-height:1.18;margin:0 0 16px}
h3{font-size:clamp(19px,2vw,26px);line-height:1.3;margin:0 0 10px}
.wrap{width:min(1180px,92vw);margin:0 auto}
.skip-link{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--dark-2);color:#fff;padding:10px 14px;border-radius:2px;transition:top .18s ease}
.skip-link:focus{top:12px;color:#fff}
a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(185,120,47,.55);outline-offset:3px;border-radius:2px}
.candidate-bar{position:relative;z-index:40;background:var(--dark-2);color:#dfe7ec;font-size:12px;letter-spacing:.12em}
.candidate-bar .wrap{display:flex;justify-content:space-between;gap:16px;padding:7px 0}
.site-header{position:sticky;top:0;z-index:35;background:rgba(247,248,246,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}
.brand{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap;color:var(--slate)}
.brand strong{font-size:20px;font-weight:900;letter-spacing:.16em}
.brand small{color:#66717c;font-size:12px;letter-spacing:.08em}
.desktop-nav{display:flex;gap:2px;align-items:center;white-space:nowrap}
.desktop-nav a{font-size:14px;color:#536374;padding:9px 12px;border-radius:999px}
.desktop-nav a:hover{background:#e7ecec}
.desktop-nav a[aria-current="page"]{color:var(--gold);font-weight:900}
.header-cta{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--slate);color:var(--slate);font-weight:800;border-radius:2px}
.header-cta:hover{background:var(--slate);color:#fff}
.mobile-menu{display:none;position:relative}
.mobile-menu summary{cursor:pointer;list-style:none;border:1px solid var(--line);background:var(--paper);border-radius:2px;padding:10px 14px;color:var(--slate);font-weight:800}
.mobile-menu summary::-webkit-details-marker{display:none}
.mobile-menu summary:after{content:"+";margin-left:10px;color:var(--gold);font-size:20px;line-height:1}
.mobile-menu[open] summary:after{content:"–"}
.mobile-menu nav{position:absolute;right:0;top:calc(100% + 8px);width:min(78vw,320px);background:var(--paper);border:1px solid var(--line);border-radius:2px;box-shadow:var(--shadow);padding:8px}
.mobile-menu nav a{display:block;padding:12px 12px;border-bottom:1px solid var(--soft);color:#4f5b67}
.mobile-menu nav a:last-child{border-bottom:0}
.mobile-menu nav a[aria-current="page"]{color:var(--gold);font-weight:900}
main section{scroll-margin-top:112px}
.breadcrumb{width:min(1180px,92vw);margin:0 auto;padding:18px 0 0;color:#7b8794;font-size:13px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb li+li:before{content:"/";margin-right:8px;color:#aeb7c0}
.breadcrumb a{color:#536374;text-decoration:underline;text-underline-offset:3px}
.page-hero{position:relative;min-height:62vh;display:grid;align-items:end;background:var(--slate);overflow:hidden}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.page-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,43,56,.10),rgba(31,43,56,.50) 48%,rgba(31,43,56,.82))}
.hero-inner{position:relative;z-index:2;width:min(1180px,92vw);margin:0 auto;padding:10vh 0 6vh;color:#fff}
.eyebrow{display:inline-block;padding:6px 12px;border:1px solid rgba(255,255,255,.45);border-radius:999px;font-size:13px;letter-spacing:.08em}
.hero-inner h1{margin:16px 0 12px;max-width:14em;font-size:clamp(32px,5.4vw,64px);line-height:1.08}
.hero-inner p{margin:0;max-width:48em;color:#e8edf0;font-size:clamp(15px,1.6vw,18px)}
.caption{position:absolute;z-index:2;right:4vw;bottom:16px;margin:0;color:#eaf0f2;font-size:12px;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:2px;font-weight:900;border:1px solid transparent}
.btn.light{background:#fff;color:var(--slate)}
.btn.light:hover{background:var(--gold-soft)}
.btn.ghost{border-color:rgba(255,255,255,.7);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.dark{background:var(--slate);color:#fff}
.btn.dark:hover{background:var(--dark-2)}
.btn.line{border-color:var(--slate);color:var(--slate)}
.btn.line:hover{background:var(--slate);color:#fff}
.section{padding:clamp(46px,7vw,88px) 0}
.section.tint{background:var(--soft)}
.section.dark{background:var(--dark);color:#e7edf1}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:#c7d1d9}
.title-row{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.title-row p{margin:0;max-width:46em;color:var(--muted)}
.lead{font-size:clamp(17px,1.8vw,20px);color:#4f5b67;max-width:58em}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,36px)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cell{background:var(--paper);padding:clamp(18px,2.4vw,28px)}
.cell b{display:block;color:var(--slate);margin-bottom:8px}
.cell p{margin:0;color:#66717c;font-size:15px}
.split{display:grid;grid-template-columns:1.16fr .84fr;gap:clamp(18px,3vw,36px);align-items:stretch;margin-top:24px}
.split.rev{grid-template-columns:.84fr 1.16fr}
.photo{margin:0;position:relative;min-height:430px;background:var(--soft);overflow:hidden;border-radius:var(--radius)}
.photo img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.photo figcaption{position:absolute;left:12px;bottom:12px;margin:0;padding:5px 10px;background:rgba(31,43,56,.78);color:#edf2f4;font-size:12px}
.copy{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,36px);display:flex;flex-direction:column;justify-content:center}
.kicker{font-size:13px;color:var(--gold);font-weight:900;letter-spacing:.14em}
.note{font-size:13px;color:#7b8794;border-left:3px solid var(--gold);padding:8px 0 8px 12px;background:#fbf7f1}
.list-plain{list-style:none;padding:0;margin:14px 0 0}
.list-plain li{display:grid;grid-template-columns:34px 1fr;gap:10px;margin:10px 0;color:#4f5b67}
.list-plain span{color:var(--gold);font-weight:900}
.timeline{counter-reset:step;display:grid;gap:14px;margin-top:22px}
.timeline article{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;grid-template-columns:52px 1fr;gap:14px}
.timeline article:before{counter-increment:step;content:counter(step,decimal-leading-zero);color:var(--gold);font-weight:900;letter-spacing:.08em}
.timeline p{margin:0;color:#66717c}
.faq{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:0 16px}
summary{cursor:pointer;list-style:none;padding:16px 0;color:var(--slate);font-weight:900}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";float:right;color:var(--gold);font-size:20px;line-height:1}
details[open] summary:after{content:"–"}
details p{margin:0 0 16px;color:#626d78;font-size:15px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);margin-top:20px}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:15px}
th,td{border-bottom:1px solid var(--soft);padding:14px 16px;text-align:left;vertical-align:top}
th{background:#f2f4f4;color:var(--slate);white-space:nowrap}
td{color:#56616d}
.case-index{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,34px);margin-top:24px}
.case-tile{display:grid;gap:0;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);overflow:hidden}
.case-tile figure{margin:0;min-height:360px;position:relative;background:var(--soft)}
.case-tile img{width:100%;height:100%;min-height:360px;object-fit:cover;display:block}
.case-tile div{padding:clamp(18px,2.4vw,28px)}
.case-tile p{color:#5d6873;margin:0 0 10px}
.case-tile a{font-weight:900;color:var(--gold)}
.gallery-3{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;margin-top:22px}
.gallery-3 figure{margin:0;background:var(--soft);border-radius:var(--radius);overflow:hidden;position:relative}
.gallery-3 img{width:100%;height:100%;min-height:300px;object-fit:cover;display:block}
.gallery-3 .side{display:grid;gap:14px}
.gallery-3 figcaption{position:absolute;left:12px;bottom:12px;padding:5px 10px;background:rgba(31,43,56,.78);color:#edf2f4;font-size:12px}
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.checks article{background:#fbfaf7;border:1px solid #e8e0d3;border-radius:var(--radius);padding:16px}
.checks b{color:var(--slate)}
.checks p{margin:6px 0 0;font-size:14px;color:#6b7580}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:28px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label,.stack label{display:grid;gap:6px;color:#4f5b67;font-weight:700;font-size:14px}
input,select,textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #cfd6da;border-radius:2px;padding:12px;min-height:46px}
textarea{min-height:180px;resize:vertical;line-height:1.6}
.stack{display:grid;gap:14px}
.choice{display:flex;flex-wrap:wrap;gap:10px}
.choice label{display:inline-flex;align-items:center;gap:8px;font-weight:600;background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:2px}
.choice input{min-height:auto;width:18px;height:18px;padding:0}
.status{min-height:24px;color:var(--gold);font-weight:800}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;padding:clamp(40px,6vw,68px) 0;color:#9fb0bd;font-size:14px}
.footer-grid h2,.footer-grid h3{color:#e7edf1;font-size:16px;margin:0 0 12px;letter-spacing:0}
.footer-grid p{margin:0 0 8px}
.footer-grid a{color:#dfe7ec;text-decoration:underline;text-underline-offset:3px}
.footer-grid a:hover{color:#fff}
.identity{font-size:18px;color:#fff;font-weight:900;letter-spacing:.16em}
.small{font-size:13px;color:#7f909e}
@media (max-width:1100px){.desktop-nav,.header-cta{display:none}.mobile-menu{display:block}.header-inner{min-height:58px}.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:920px){.title-row{display:block}.title-row p{margin-top:12px}.split,.split.rev,.grid-2,.case-index,.gallery-3,.form-grid{grid-template-columns:1fr}.grid-3,.faq,.checks{grid-template-columns:1fr}.photo{min-height:68vw}.footer-grid{grid-template-columns:1fr}.gallery-3 .side{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.candidate-bar .wrap{display:block}.hero-inner{padding-bottom:8vh}.btn{width:100%}.caption{left:4vw;right:auto}.grid-4{grid-template-columns:1fr}.gallery-3 .side{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Codex integration corrections: contrast, shared shell, intrinsic layout. */
.hero-inner h1{color:#fff;max-width:13em;text-wrap:balance;text-shadow:0 2px 18px rgba(0,0,0,.24)}
.site-header .brand strong{font-size:21px;letter-spacing:.12em}
.mobile-menu{padding:0;border:0;background:transparent}
.site-footer{background:var(--dark)}
.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;align-content:start}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #43515e;padding:18px 0;color:#c4ced7;font-size:13px}
.footer-bottom a{color:#e3eaf0}
.note,.small{color:#566574}
.gallery-3 figure{height:100%}.gallery-3>.side{min-width:0}.gallery-3 .side figure{min-height:240px}
.gallery-3 img{max-height:760px}.page-hero img{display:block}
fieldset{min-width:0;margin:0}button{font:inherit;cursor:pointer}
input,textarea{min-width:0;width:100%}.choice input{width:18px;flex:none}
.stack,.grid-2,.copy,.cell{min-width:0}
@media(max-width:920px){.gallery-3 img{min-height:0;height:auto;max-height:none}.gallery-3 figure{height:auto}.gallery-3 .side figure{min-height:0}}
@media(max-width:560px){.hero-inner h1{font-size:clamp(32px,8.5vw,46px);line-height:1.2;max-width:12em}.footer-bottom{display:block}.footer-bottom a{display:block;margin-top:8px}.caption{position:relative;inset:auto;grid-column:1;padding:0 4vw 12px;background:var(--dark)}.photo{min-height:0;aspect-ratio:4/3}.photo img{height:100%;object-fit:cover}.btn-row{gap:10px}}