/* ==========================================================================
   阳光房案例库 · 前台样式
   ========================================================================== */
:root{
  --brand:#14624F;
  --brand-2:#1E7A63;
  --brand-soft:#E7F2ED;
  --brand-ink:#0E4A3C;
  --accent:#C9762A;
  --accent-soft:#FBEEE0;
  --ink:#16211D;
  --ink2:#5C6A64;
  --ink3:#9AA49F;
  --line:#E8E6DF;
  --line2:#F1EFE8;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:22px;
  --shadow-s:0 1px 2px rgba(22,33,29,.05);
  --shadow-m:0 4px 16px -6px rgba(22,33,29,.14);
  --shadow-l:0 18px 44px -20px rgba(22,33,29,.28);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:15px;line-height:1.7;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.01em;line-height:1.32}
::selection{background:var(--brand);color:#fff}

/* ---------- 头部 ---------- */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.hd-in{max-width:var(--max);margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:9px;color:var(--brand);flex:0 0 auto}
.logo svg,.logo img{display:block;flex:0 0 auto}
.logo svg{width:26px;height:26px}
.logo img{width:38px;height:38px;border-radius:50%;object-fit:cover}
.logo span{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:0}
.logo-sm svg{width:24px;height:24px}
.logo-sm img{width:28px;height:28px;border-radius:50%}
.nav{display:flex;gap:4px;flex:1}
.nav a{font-size:14px;color:var(--ink2);padding:7px 13px;border-radius:8px;transition:.16s}
.nav a:hover{color:var(--ink);background:var(--line2)}
.nav a.on{color:var(--brand);background:var(--brand-soft);font-weight:500}
.hd-act{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 15px;border-radius:9px;font-size:13.5px;font-weight:500;transition:.16s}
.btn-ghost:hover{border-color:#D5D2C8;background:#FCFCFA}
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;padding:9px 18px;border-radius:9px;font-size:13.5px;font-weight:500;transition:.16s;border:1px solid var(--brand)}
.btn-solid:hover{background:var(--brand-2);border-color:var(--brand-2)}
.btn-lg{padding:13px 26px;font-size:14.5px;border-radius:11px}
.btn-block{width:100%;padding:11px 18px}
.menu-btn{display:none;padding:7px;border-radius:8px;color:var(--ink2)}
.hd-drop{display:none;flex-direction:column;padding:8px 16px 14px;border-top:1px solid var(--line2)}
.hd-drop a{padding:10px 4px;font-size:14px;border-bottom:1px solid var(--line2);color:var(--ink2)}
.hd-drop a:last-child{border:0}
.hd.open .hd-drop{display:flex}

/* ---------- 英雄区 ---------- */
.hero{position:relative;overflow:hidden;background:#0E1A16}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 62%;transform:scale(1.02)}
.hero.has-img .hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,22,18,.86) 0%,rgba(9,22,18,.62) 44%,rgba(9,22,18,.16) 100%)}
.hero-in{position:relative;max-width:var(--max);margin:0 auto;padding:78px 24px 70px}
.hero-txt{max-width:560px;color:#fff}
.eyebrow{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.62);margin-bottom:18px;font-weight:500}
.hero h1{font-size:38px;line-height:1.24;letter-spacing:-.02em;font-weight:600;margin-bottom:16px}
.hero h1 span{color:#8FD9BE;display:inline-block}
.hero-sub{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.74);margin-bottom:30px;max-width:470px}
.search{position:relative;display:flex;align-items:center;background:#fff;border-radius:13px;padding:5px 5px 5px 42px;box-shadow:var(--shadow-l);max-width:470px}
.search-ico{position:absolute;left:15px;width:17px;height:17px;color:var(--ink3)}
.search input[type=search]{flex:1;border:0;background:none;padding:11px 0;font-size:14px;outline:none;min-width:0}
.search input::placeholder{color:var(--ink3)}
.search button{background:var(--brand);color:#fff;border-radius:9px;padding:10px 20px;font-size:13.5px;font-weight:500;flex:0 0 auto}
.search button:hover{background:var(--brand-2)}
.hero-stats{display:flex;gap:34px;margin-top:30px}
.hero-stats div{color:#fff}
.hero-stats b{display:block;font-size:22px;font-weight:600;letter-spacing:-.02em}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.55)}

/* 无图时的英雄区 */
.hero:not(.has-img){background:linear-gradient(150deg,#124E40,#1B6B56 60%,#14624F)}
.hero:not(.has-img) .hero-in{padding:72px 24px 64px}

/* ---------- 区块 ---------- */
.main{min-height:60vh}
.sec{max-width:var(--max);margin:0 auto;padding:56px 24px 0}
.sec-hd{margin-bottom:24px}
.sec-hd h2{font-size:22px;letter-spacing:-.02em}
.sec-hd p{font-size:13.5px;color:var(--ink2);margin-top:7px}
.sec-hd-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.more{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--brand);font-weight:500;white-space:nowrap;padding-bottom:3px}
.more:hover{text-decoration:underline}

/* 产品线 */
.pl-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pl-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:20px 20px 18px;transition:.18s;display:block;overflow:hidden}
.pl-card:hover{border-color:var(--brand);box-shadow:var(--shadow-m);transform:translateY(-2px)}
.pl-n{font-size:11px;color:var(--ink3);letter-spacing:.1em;font-weight:500}
.pl-card b{display:block;font-size:16px;margin:8px 0 3px;font-weight:600}
.pl-c{font-size:12.5px;color:var(--ink2)}
.pl-arrow{position:absolute;right:18px;bottom:16px;width:17px;height:17px;color:var(--ink3);opacity:0;transform:translateX(-4px);transition:.18s}
.pl-card:hover .pl-arrow{opacity:1;transform:translateX(0);color:var(--brand)}

/* 空间 */
.sp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.sp-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:18px 16px;transition:.18s}
.sp-card:hover{border-color:var(--brand);background:var(--brand-soft)}
.sp-card b{display:block;font-size:14.5px;font-weight:600;margin-bottom:4px}
.sp-card span{font-size:12px;color:var(--ink2)}

/* ---------- 案例卡片 ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);border-color:#DCD9CF}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--line2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.card:hover .card-img img{transform:scale(1.04)}
.card-size{position:absolute;left:11px;bottom:11px;background:rgba(12,26,22,.72);color:#fff;font-size:11.5px;font-weight:500;padding:4px 9px;border-radius:6px;backdrop-filter:blur(6px);letter-spacing:.01em}
.card-feat{position:absolute;right:11px;top:11px;background:var(--accent);color:#fff;font-size:11px;font-weight:500;padding:3px 8px;border-radius:5px}
.card-body{padding:15px 16px 14px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-body h3{font-size:15px;line-height:1.48;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink2);flex-wrap:wrap}
.card-meta i{color:var(--line);font-style:normal}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:3px}
.card-date{font-size:11.5px;color:var(--ink3);letter-spacing:.02em;flex:0 0 auto}

/* 标签 */
.chip{display:inline-flex;align-items:center;font-size:11.5px;font-weight:500;padding:3px 9px;border-radius:5px;line-height:1.6;white-space:nowrap}
.chip-brand{background:var(--brand-soft);color:var(--brand-ink)}
.chip-slate{background:#EFF1EF;color:#47554F}
.chip-ac{background:var(--accent-soft);color:#8F5215}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--ink2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.02em}

/* ---------- 列表页 ---------- */
.list-wrap{max-width:var(--max);margin:0 auto;padding:34px 24px 70px}
.list-hd{margin-bottom:22px}
.list-hd h1{font-size:26px;letter-spacing:-.02em}
.list-hd p{font-size:13.5px;color:var(--ink2);margin-top:6px}
.list-hd b{color:var(--ink);font-weight:600}

.filters{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:6px 18px;margin-bottom:20px}
.f-row{display:flex;gap:16px;padding:13px 0;border-bottom:1px solid var(--line2);align-items:flex-start}
.f-row:last-child{border-bottom:0}
.f-lab{font-size:12.5px;color:var(--ink3);flex:0 0 60px;padding-top:5px;letter-spacing:.02em}
.f-opts{display:flex;flex-wrap:wrap;gap:7px;flex:1}
.f-opt{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--ink);padding:5px 11px;border-radius:7px;border:1px solid transparent;background:var(--line2);transition:.14s;line-height:1.5}
.f-opt i{font-style:normal;font-size:11px;color:var(--ink3)}
.f-opt:hover{background:#E9E7DF}
.f-opt.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.f-opt.on i{color:rgba(255,255,255,.62)}
.f-opt-sm{background:none;border-color:var(--line);font-size:12.5px;color:var(--ink2)}
.f-opt-sm.on{background:var(--brand-soft);color:var(--brand-ink);border-color:var(--brand-soft);font-weight:500}

/* 移动端筛选条（桌面隐藏） */
.mbar{display:none}
.mbar-btn{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 14px;font-size:13.5px;font-weight:500}
.mbar-btn i{font-style:normal;background:var(--brand);color:#fff;font-size:11px;min-width:17px;height:17px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 4px}
.mbar-btn.on{border-color:var(--brand);color:var(--brand)}
.mbar-sorts{display:flex;gap:6px;margin-left:auto}
.mbar-sort{font-size:12.5px;color:var(--ink2);padding:6px 11px;border-radius:7px;background:#fff;border:1px solid var(--line)}
.mbar-sort.on{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand-ink);font-weight:500}

.picked{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:20px;font-size:12.5px}
.picked-lab{color:var(--ink3)}
.p-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:4px 8px 4px 10px;color:var(--ink)}
.p-chip i{font-style:normal;color:var(--ink3);font-size:13px;line-height:1}
.p-chip:hover{border-color:#D5D2C8}
.p-clear{color:var(--brand);text-decoration:underline;text-underline-offset:3px;margin-left:2px}

.grid-list{grid-template-columns:repeat(3,1fr)}

/* 分页 */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:44px;flex-wrap:wrap}
.pg{min-width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border-radius:8px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink);transition:.14s}
.pg:hover{border-color:var(--brand);color:var(--brand)}
.pg.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}
.pg.dis{color:var(--ink3);background:var(--line2);border-color:transparent;cursor:default}
.pg-dot{color:var(--ink3);padding:0 2px}

/* 空态 */
.empty{text-align:center;padding:80px 20px;display:flex;flex-direction:column;align-items:center;gap:6px}
.empty h3{font-size:17px;margin-top:14px}
.empty p{font-size:13.5px;color:var(--ink2);margin-bottom:16px}
.empty-page{padding:100px 20px}
.img-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--line2);color:var(--ink3);font-size:12.5px}

/* ---------- 详情页 ---------- */
.detail{max-width:var(--max);margin:0 auto;padding:22px 24px 70px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink3);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb b{color:var(--ink2);font-weight:500}
.dt-top{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.85fr);gap:34px;align-items:start}

.gal-main{position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--line2);aspect-ratio:4/3}
.gal-main img{width:100%;height:100%;object-fit:cover}
.gal-zoom{position:absolute;right:12px;bottom:12px;width:34px;height:34px;border-radius:9px;background:rgba(12,26,22,.6);color:#fff;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.gal-zoom:hover{background:rgba(12,26,22,.8)}
.gal-thumbs{display:flex;gap:9px;margin-top:10px;overflow-x:auto;padding-bottom:3px;scrollbar-width:thin}
.gal-thumb{flex:0 0 84px;height:62px;border-radius:8px;overflow:hidden;border:2px solid transparent;opacity:.72;transition:.16s;background:var(--line2)}
.gal-thumb img{width:100%;height:100%;object-fit:cover}
.gal-thumb:hover{opacity:1}
.gal-thumb.on{border-color:var(--brand);opacity:1}

.dt-side{padding-top:2px}
.dt-badges{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}
.dt-side h1{font-size:26px;line-height:1.34;letter-spacing:-.02em;margin-bottom:10px}
.dt-hl{font-size:14.5px;color:var(--brand-ink);background:var(--brand-soft);padding:10px 14px;border-radius:9px;line-height:1.65;margin-bottom:18px}
.dt-quick{display:flex;gap:26px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:18px}
.dt-quick div span{display:block;font-size:11.5px;color:var(--ink3);margin-bottom:3px}
.dt-quick div b{font-size:18px;font-weight:600;letter-spacing:-.02em}
.dt-quick div b i{font-style:normal;font-size:12px;color:var(--ink3);font-weight:400;margin-left:2px}
.dt-points{margin-bottom:20px}
.dt-points h4{font-size:12px;color:var(--ink3);font-weight:500;letter-spacing:.04em;margin-bottom:9px}
.pt-list{display:flex;flex-wrap:wrap;gap:7px}
.pt{font-size:12.5px;padding:5px 11px;border-radius:7px;background:var(--line2);color:var(--ink2)}
.pt-main{background:var(--accent-soft);color:#8F5215;font-weight:500}
.dt-act{display:flex;flex-direction:column;gap:9px}
.dt-note{font-size:11.5px;color:var(--ink3);line-height:1.65;margin-top:11px}

.dt-body{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:52px;margin-top:52px;padding-top:44px;border-top:1px solid var(--line)}
.dt-main{min-width:0}
.quote{margin-bottom:40px;padding:22px 26px;background:#fff;border-left:3px solid var(--brand);border-radius:0 var(--r-m) var(--r-m) 0}
.quote p{font-size:16px;line-height:1.85;color:var(--ink);letter-spacing:.01em}
.quote cite{display:block;font-style:normal;font-size:12.5px;color:var(--ink3);margin-top:12px}
.blk{margin-bottom:40px}
.blk h2{font-size:17px;margin-bottom:16px;letter-spacing:-.01em}
.prose p{font-size:14.5px;line-height:1.95;color:#33403A;margin-bottom:15px}
.prose p:last-child{margin-bottom:0}
.video-box video{width:100%;border-radius:var(--r-m);background:#000}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden}
.spec{background:#fff;padding:14px 16px}
.spec span{display:block;font-size:11.5px;color:var(--ink3);margin-bottom:4px}
.spec b{font-size:13.5px;font-weight:500;line-height:1.5;word-break:break-word}
.spec-grid-compact{grid-template-columns:repeat(2,1fr)}
.dt-aside{display:flex;flex-direction:column;gap:14px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:16px}
.side-card h4{font-size:12px;color:var(--ink3);font-weight:500;letter-spacing:.04em;margin-bottom:10px}
.mini-tags{display:flex;flex-wrap:wrap;gap:6px}
.mini-tags span{font-size:11.5px;background:var(--line2);color:var(--ink2);padding:3px 8px;border-radius:5px}
.side-stat{text-align:center}
.side-stat b{display:block;font-size:22px;letter-spacing:-.02em}
.side-stat span{font-size:11.5px;color:var(--ink3)}
.sec-rel{margin-top:20px}

/* ---------- 客户分享页 ---------- */
body.bare{background:#E9E7E0}
body.bare .main{padding:0;min-height:100vh}
.sh{max-width:640px;margin:0 auto;background:var(--bg);min-height:100vh}
@media (min-width:641px){
  body.bare .sh{box-shadow:0 0 0 1px rgba(22,33,29,.06),0 20px 60px -30px rgba(22,33,29,.3)}
}
.sh-top{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:#fff;border-bottom:1px solid var(--line)}
.sh-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.sh-tag{font-size:11px;color:var(--brand);background:var(--brand-soft);padding:3px 9px;border-radius:5px;font-weight:500}
.sh-gal{position:relative;background:#0E1A16}
.sh-swipe{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.sh-swipe::-webkit-scrollbar{display:none}
.sh-slide{flex:0 0 100%;scroll-snap-align:center;aspect-ratio:4/3;overflow:hidden}
.sh-slide img{width:100%;height:100%;object-fit:cover}
.sh-dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:5px}
.sh-dots i{width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.42);transition:.2s}
.sh-dots i.on{background:#fff;width:14px;border-radius:3px}
.sh-body{padding:22px 20px 100px}
.sh-badges{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.sh-body h1{font-size:22px;line-height:1.4;letter-spacing:-.02em;margin-bottom:9px}
.sh-hl{font-size:14px;color:var(--ink2);line-height:1.7;margin-bottom:18px}
.sh-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;margin-bottom:26px}
.sh-specs div{background:#fff;padding:13px 8px;text-align:center;min-width:0}
.sh-specs b{display:block;font-size:14px;font-weight:600;letter-spacing:-.03em;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sh-specs b i{font-style:normal;font-size:11px;color:var(--ink3);font-weight:400}
.sh-specs span{display:block;font-size:11px;color:var(--ink3);margin-top:3px}
.sh-sec{margin-bottom:26px}
.sh-sec h3{font-size:14px;margin-bottom:12px;letter-spacing:0}
.sh-points{list-style:none;display:flex;flex-direction:column;gap:8px}
.sh-points li{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:11px 14px}
.sh-points i{font-style:normal;font-size:10.5px;color:var(--brand);font-weight:600;letter-spacing:.02em;background:var(--brand-soft);width:22px;height:22px;border-radius:5px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.sh-points span{font-size:13.5px;font-weight:500}
.sh-quote{background:#fff;border-radius:var(--r-m);padding:20px;margin-bottom:26px;border:1px solid var(--line)}
.sh-quote p{font-size:14.5px;line-height:1.85;color:#33403A}
.sh-quote cite{display:block;font-style:normal;font-size:12px;color:var(--ink3);margin-top:10px}
.sh-lead{background:linear-gradient(160deg,#124E40,#1B6B56);border-radius:var(--r-l);padding:24px 20px;color:#fff;margin-bottom:24px}
.sh-lead h3{font-size:15.5px;line-height:1.55;margin-bottom:16px;font-weight:600}
.lead-form{display:flex;flex-direction:column;gap:9px}
.lf-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.lf-row>*{min-width:0}
.lead-form input,.lead-form textarea{width:100%;min-width:0;padding:11px 13px;border-radius:9px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.96);font-size:13.5px;outline:none;resize:none}
.lead-form input:focus,.lead-form textarea:focus{box-shadow:0 0 0 3px rgba(143,217,190,.32)}
.lead-form .btn-solid{background:#fff;color:var(--brand-ink);border-color:#fff;margin-top:3px;font-weight:600}
.lead-form .btn-solid:hover{background:#F3FAF6}
.lf-tip{font-size:11px;color:rgba(255,255,255,.52);text-align:center;margin-top:2px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.lead-ok{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:16px}
.lead-ok b{display:block;font-size:14px;margin-bottom:5px}
.lead-ok p{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.7}
.lead-err{background:rgba(255,180,150,.16);border:1px solid rgba(255,180,150,.32);border-radius:9px;padding:9px 13px;font-size:12.5px;margin-bottom:11px}
.sh-foot{display:flex;justify-content:space-between;font-size:12px;color:var(--ink3);padding-top:16px;border-top:1px solid var(--line)}
.sh-foot a{color:var(--brand);font-weight:500}

/* 移动端底部条 */
.bar-m{display:none;position:fixed;left:0;right:0;bottom:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));gap:9px}
.bar-tel{flex:0 0 62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--ink2);border-right:1px solid var(--line2)}
.bar-main{flex:1;display:flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;border-radius:10px;font-size:14.5px;font-weight:500;height:44px}

/* ---------- 页脚 ---------- */
.ft{background:#0F1C18;color:rgba(255,255,255,.62);margin-top:70px}
.ft-in{max-width:var(--max);margin:0 auto;padding:44px 24px 34px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ft-brand{max-width:300px}
.ft-brand .logo span{color:#fff}
.ft-brand .logo img{box-shadow:0 0 0 1px rgba(255,255,255,.16)}
.ft-brand p{font-size:13px;line-height:1.8;margin-top:12px;color:rgba(255,255,255,.5)}
.ft-links{display:flex;gap:64px}
.ft-links b{display:block;font-size:12px;color:rgba(255,255,255,.4);font-weight:500;margin-bottom:12px;letter-spacing:.04em}
.ft-links a,.ft-links span{display:block;font-size:13px;line-height:2.1;color:rgba(255,255,255,.66)}
.ft-links a:hover{color:#fff}
.ft-bar{max-width:var(--max);margin:0 auto;padding:14px 24px 26px;display:flex;gap:18px;font-size:12px;color:rgba(255,255,255,.34);border-top:1px solid rgba(255,255,255,.08)}
.ft-bar a:hover{color:rgba(255,255,255,.7)}

/* ---------- CTA ---------- */
.cta{max-width:var(--max);margin:64px auto 0;padding:0 24px}
.cta-in{background:linear-gradient(140deg,#124E40,#1B6B56);border-radius:var(--r-xl);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;color:#fff}
.cta-in h2{font-size:22px;letter-spacing:-.02em;margin-bottom:8px}
.cta-in p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.8;max-width:440px}
.cta-in .btn-solid{background:#fff;color:var(--brand-ink);border-color:#fff}
.cta-in .btn-solid:hover{background:#F3FAF6}

/* ---------- 灯箱 ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,14,12,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}
.lb-close{position:absolute;top:18px;right:20px;color:#fff;opacity:.7;font-size:26px;line-height:1}
.lb-close:hover{opacity:1}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dt-top{grid-template-columns:1fr;gap:26px}
  .dt-body{grid-template-columns:1fr;gap:34px}
  .dt-aside{flex-direction:row;flex-wrap:wrap}
  .spec-grid{grid-template-columns:repeat(3,1fr)}
  .grid,.grid-list{grid-template-columns:repeat(2,1fr)}
  .pl-row{grid-template-columns:repeat(2,1fr)}
  .sp-grid{grid-template-columns:repeat(3,1fr)}
  .hero h1{font-size:32px}
  .dt-side h1{font-size:23px}
}
@media (max-width:760px){
  body{font-size:14.5px}
  .hd-in{height:56px;padding:0 16px;gap:12px}
  .nav{display:none}
  .hide-sm{display:none!important}
  .menu-btn{display:flex}
  .hd.open .hd-drop{display:flex}
  .hero-in{padding:52px 20px 46px}
  .hero h1{font-size:27px;line-height:1.3}
  .hero-sub{font-size:13.5px;margin-bottom:24px}
  .hero-stats{gap:26px;margin-top:24px}
  .hero-stats b{font-size:19px}
  .sec{padding:40px 20px 0}
  .sec-hd h2{font-size:19px}
  .sec{margin-bottom:0}
  .grid,.grid-list{grid-template-columns:repeat(2,1fr);gap:13px}
  .card-body{padding:11px 12px 12px;gap:7px}
  .card-body h3{font-size:13.5px;-webkit-line-clamp:2}
  .card-meta{font-size:11px}
  .card-size{font-size:10.5px;padding:3px 7px;left:8px;bottom:8px}
  .sp-grid{grid-template-columns:repeat(2,1fr)}
  .pl-row{grid-template-columns:1fr 1fr;gap:10px}
  .pl-card{padding:15px 14px}
  .pl-card b{font-size:14.5px}
  .pl-arrow{display:none}
  .list-wrap{padding:22px 16px 90px}
  .list-hd h1{font-size:21px}
  .mbar{display:flex;align-items:center;gap:8px;position:sticky;top:56px;z-index:30;background:var(--bg);padding:9px 0 10px;margin:0 0 2px}
  .filters{display:none;padding:4px 14px;border-radius:var(--r-m);margin-bottom:12px}
  .filters.open{display:block}
  .f-row-min{display:none}
  .f-row{flex-direction:column;gap:7px;padding:11px 0}
  .f-lab{flex:none;padding-top:0}
  .f-opts{gap:6px}
  .f-opt{font-size:12.5px;padding:5px 10px}
  .detail{padding:16px 16px 90px}
  .gal-thumbs{margin-top:8px}
  .gal-thumb{flex:0 0 66px;height:50px}
  .dt-side h1{font-size:20px}
  .dt-quick{gap:20px;padding:13px 0;margin-bottom:15px}
  .dt-quick div b{font-size:16px}
  .dt-body{margin-top:32px;padding-top:28px}
  .quote{padding:17px 18px;margin-bottom:30px}
  .quote p{font-size:14.5px}
  .prose p{font-size:13.8px;line-height:1.9}
  .spec-grid,.spec-grid-compact{grid-template-columns:repeat(2,1fr)}
  .spec{padding:11px 12px}
  .spec b{font-size:12.8px}
  .bar-m{display:flex}
  .sec-rel{margin-top:10px}
  .cta{margin-top:44px;padding:0 16px}
  .cta-in{padding:26px 22px;border-radius:var(--r-l)}
  .cta-in h2{font-size:18px}
  .ft{margin-top:50px}
  .ft-in{padding:32px 20px 26px;flex-direction:column;gap:28px}
  .ft-links{gap:48px}
  .ft-bar{padding:12px 20px 24px}
  .sh-body{padding:18px 16px 100px}
  .sh-swipe{scroll-snap-type:x mandatory}
}
@media (max-width:400px){
  .grid,.grid-list{grid-template-columns:1fr 1fr;gap:10px}
  .hero h1{font-size:24px}
  .lf-row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* ---------- 视频播放 ---------- */
.card-video{position:absolute;right:11px;bottom:11px;display:flex;align-items:center;gap:4px;background:rgba(12,26,22,.72);color:#fff;font-size:11px;font-weight:500;padding:4px 8px;border-radius:6px;backdrop-filter:blur(6px);letter-spacing:.02em}
.gal-video{width:100%;height:100%;object-fit:contain;background:#0D1512;display:block}
.gal-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:10px;color:#fff;z-index:2}
.gp-btn{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.93);color:var(--brand);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(0,0,0,.3);transition:.18s ease;padding-left:3px}
.gal-play:hover .gp-btn{transform:scale(1.06);background:#fff}
.gp-txt{font-size:12px;background:rgba(12,26,22,.68);padding:4px 11px;border-radius:20px;backdrop-filter:blur(6px);display:flex;gap:7px;align-items:center;white-space:nowrap}
.gp-txt em{font-style:normal;opacity:.7;font-size:11px;font-variant-numeric:tabular-nums}
.gal-back{position:absolute;left:12px;top:12px;background:rgba(12,26,22,.66);color:#fff;font-size:12px;padding:6px 12px;border-radius:8px;backdrop-filter:blur(6px);z-index:3}
.gal-back:hover{background:rgba(12,26,22,.86)}
.gal-video[hidden],.gal-play[hidden],.gal-back[hidden]{display:none}
.sh-video{position:relative;background:#0E1A16;border-bottom:1px solid rgba(0,0,0,.06)}
.sh-video video{width:100%;display:block;max-height:76vh;background:#0E1A16}
.sh-video-tag{position:absolute;left:12px;top:12px;z-index:2;background:rgba(0,0,0,.52);color:#fff;font-size:11px;padding:4px 10px;border-radius:20px;backdrop-filter:blur(6px);pointer-events:none;letter-spacing:.02em}
@media (max-width:640px){
  .gp-btn{width:54px;height:54px}
  .gp-btn svg{width:19px;height:19px}
  .gp-txt{font-size:11px;padding:3px 9px}
}
.gal-main.video-on{aspect-ratio:16/9;background:#0D1512}
.gal-main.video-on .gal-video{object-fit:contain}

/* ---------------------------------------------------------------
   移动端顶栏对齐修正（把「找案例」和菜单按钮顶到最右）
   原因：手机上 .nav 被 display:none 隐藏后，flex 容器里没有元素去吃
   剩余空间，右侧按钮组就紧贴 logo 排在左边了。
   给 logo 一个 auto 右外边距，剩余空间全归它，按钮组自然靠右。
   同时让过长的站点名显示省略号，避免窄屏把按钮挤出去。
   --------------------------------------------------------------- */
@media (max-width:760px){
  .logo{flex:0 1 auto;min-width:0;margin-right:auto}
  .logo svg,.logo img{flex:0 0 auto}
  .logo img{width:32px;height:32px}
  .logo span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
/* 更窄的屏（iPhone SE 这类 320–400px）再把按钮收一点，两个按钮都能完整显示 */
@media (max-width:400px){
  .logo span{font-size:13.5px}
  .btn-solid{padding:8px 13px;font-size:12.8px}
  .hd-act{gap:8px}
  .menu-btn{padding:6px}
}