@charset "utf-8";
/* ===========================================================
   SUOXIN — Clean-room site rebuild
   Fonts: 阿里巴巴普惠体 / 思源黑体 (free for commercial use)
   Palette: matte orange on warm neutral base
   =========================================================== */

:root{
  /* 哑光橙 matte orange */
  --brand:        #a85e33;   /* AA contrast with white text */
  --brand-deep:   #8d4c27;
  --brand-soft:   #c08558;
  --brand-tint:   #f4e9e0;
  --brand-line:   #e3cdbd;

  /* neutrals */
  --ink:          #1b1917;
  --ink-2:        #3a352f;
  --muted:        #6b645b;
  --paper:        #faf8f4;
  --paper-2:      #f2eee7;
  --line:         #e6e0d7;
  --white:        #ffffff;

  --font-sans: "Alibaba PuHuiTi 3.0", "Alibaba PuHuiTi", "Source Han Sans SC",
               "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  --radius: 2px;
  --shadow: 0 1px 2px rgba(27,25,23,.04), 0 8px 24px rgba(27,25,23,.06);
  --ease: cubic-bezier(.16,1,.3,1);
  --wrap: 1200px;
}

*,*::before,*::after{ margin:0; padding:0; box-sizing:border-box }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100% }
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100% }
a{ color:inherit; text-decoration:none }
ul{ list-style:none }
:focus-visible{ outline:2px solid var(--brand); outline-offset:3px }

.wrap{ width:min(var(--wrap), 92%); margin-inline:auto }
.eyebrow{
  display:inline-flex; align-items:center; gap:.6rem;
  font-size:.75rem; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--brand); margin-bottom:.9rem;
}
.eyebrow::before{ content:""; width:30px; height:2px; background:var(--brand) }
h1,h2,h3{ line-height:1.25; font-weight:700; letter-spacing:-.01em }
h1{ font-size:clamp(2.1rem,4.6vw,3.4rem) }
h2{ font-size:clamp(1.6rem,3vw,2.3rem) }
h3{ font-size:1.1rem }
.lede{ font-size:1.05rem; color:var(--muted); max-width:60ch }

/* ---------- top strip ---------- */
.strip{
  background:var(--ink); color:#c9c2b8; font-size:.78rem; letter-spacing:.03em;
}
.strip .wrap{ display:flex; justify-content:space-between; gap:1rem; min-height:38px; align-items:center; flex-wrap:wrap }
.strip a:hover{ color:var(--brand-soft) }

/* ---------- header / nav (matte orange) ---------- */
header{ position:sticky; top:0; z-index:60; background:var(--brand); box-shadow:0 1px 0 rgba(0,0,0,.06) }
.nav{ display:flex; align-items:center; gap:1.5rem; min-height:66px }
.logo{ display:flex; align-items:center; gap:.65rem; color:#fff; flex-shrink:0 }
.logo-mark{
  width:40px; height:40px; display:grid; place-items:center;
  background:rgba(255,255,255,.14); color:#fff; font-weight:700; font-size:.95rem; border-radius:var(--radius);
}
.logo b{ font-size:1.3rem; letter-spacing:.04em; font-weight:700 }
.logo small{ display:block; font-size:.63rem; letter-spacing:.14em; opacity:.85; line-height:1.2 }
nav ul{ display:flex; gap:.2rem; margin-left:auto }
nav a{
  display:block; padding:.5rem .95rem; color:#fff; font-size:.9rem; font-weight:500;
  border-radius:var(--radius); transition:background .25s var(--ease);
}
nav a:hover{ background:rgba(255,255,255,.16) }
nav a[aria-current="page"]{ background:rgba(0,0,0,.18); font-weight:700 }
.nav-cta{
  background:#fff; color:var(--brand-deep); padding:.55rem 1.15rem; border-radius:var(--radius);
  font-size:.85rem; font-weight:700; letter-spacing:.03em; white-space:nowrap; transition:.25s var(--ease);
}
.nav-cta:hover{ background:var(--ink); color:#fff }
.burger{ display:none; background:none; border:0; cursor:pointer; padding:.5rem; margin-left:auto }
.burger span{ display:block; width:22px; height:2px; background:#fff; margin:4px 0; transition:.3s }

/* ---------- hero ---------- */
.hero{ background:var(--paper-2); border-bottom:1px solid var(--line) }
.hero .wrap{ display:grid; grid-template-columns:1.05fr .95fr; gap:3.5rem; align-items:center; padding-block:clamp(3rem,7vw,5.5rem) }
.hero h1{ margin-bottom:1.2rem }
.hero p{ color:var(--muted); max-width:52ch }
.hero-actions{ display:flex; gap:.9rem; margin-top:2rem; flex-wrap:wrap }
.btn{
  display:inline-flex; align-items:center; gap:.5rem; padding:.85rem 1.6rem; border-radius:var(--radius);
  font-size:.9rem; font-weight:700; letter-spacing:.03em; border:1px solid transparent; transition:.28s var(--ease);
}
.btn-solid{ background:var(--brand); color:#fff }
.btn-solid:hover{ background:var(--brand-deep); transform:translateY(-2px) }
.btn-ghost{ border-color:var(--brand-line); color:var(--brand-deep); background:transparent }
.btn-ghost:hover{ border-color:var(--brand); background:var(--brand-tint) }

.hero-visual{ position:relative }
.plate{
  aspect-ratio:1/1; border:1px solid var(--line); background:var(--white);
  display:grid; place-items:center; position:relative; overflow:hidden;
}
.plate::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(135deg, transparent 0 22px, rgba(168,94,51,.05) 22px 23px);
  pointer-events:none;
}
.plate svg{ width:76%; height:auto }
.plate figcaption, .ph-note{
  position:absolute; left:0; right:0; bottom:0; padding:.5rem .7rem; font-size:.72rem;
  background:rgba(27,25,23,.72); color:#fff; text-align:center; letter-spacing:.05em;
}

/* ---------- section ---------- */
section{ padding-block:clamp(3.2rem,7vw,5.5rem) }
.sec-head{ margin-bottom:2.6rem; max-width:64ch }
.sec-head p{ color:var(--muted); margin-top:.8rem }
.section-alt{ background:var(--paper-2); border-block:1px solid var(--line) }
.section-dark{ background:var(--ink); color:#e8e2d8 }
.section-dark h2,.section-dark h3{ color:#fff }
.section-dark p{ color:#a9a197 }
.section-dark .eyebrow{ color:var(--brand-soft) }
.section-dark .eyebrow::before{ background:var(--brand-soft) }

/* ---------- cards ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem }
.grid-5{ display:grid; grid-template-columns:repeat(5,1fr); gap:1rem }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center }

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6rem 1.4rem; transition:.35s var(--ease); position:relative; overflow:hidden;
}
.card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--brand); transform:scaleX(0); transform-origin:left; transition:transform .35s var(--ease) }
.card:hover{ transform:translateY(-5px); box-shadow:var(--shadow) }
.card:hover::before{ transform:scaleX(1) }
.card h3{ margin-bottom:.5rem }
.card p{ color:var(--muted); font-size:.92rem }
.card .ic{
  width:48px; height:48px; display:grid; place-items:center; margin-bottom:1rem;
  background:var(--brand-tint); border-radius:var(--radius);
}
.card .ic svg{ width:26px; height:26px; stroke:var(--brand); fill:none; stroke-width:1.6 }
.card-dark{ background:#24211d; border-color:#38332d }
.card-dark:hover{ border-color:var(--brand) }
.card-dark p{ color:#a9a197 }

/* product tiles */
.tile{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:.35s var(--ease) }
.tile:hover{ transform:translateY(-5px); box-shadow:var(--shadow) }
.tile .ph{ aspect-ratio:4/3; background:var(--paper-2); position:relative }
.tile .ph svg{ position:absolute; inset:0; width:100%; height:100% }
.tile .body{ padding:1.1rem 1.2rem 1.3rem }
.tile h3{ font-size:1rem; margin-bottom:.35rem }
.tile p{ font-size:.85rem; color:var(--muted) }
.tag{
  display:inline-block; font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--brand-deep); background:var(--brand-tint); padding:.2rem .55rem; border-radius:var(--radius); font-weight:700;
}

/* ---------- stats ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; margin-top:2rem }
.stat{ border-left:3px solid var(--brand); padding-left:1rem }
.stat b{ display:block; font-size:2rem; line-height:1.1; font-weight:700 }
.stat span{ font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted) }

/* ---------- timeline ---------- */
.timeline{ margin-top:1.6rem; border-top:1px solid var(--line) }
.timeline li{ display:flex; gap:1.4rem; padding:.9rem 0; border-bottom:1px solid var(--line); font-size:.95rem }
.timeline b{ min-width:70px; color:var(--brand-deep); font-weight:700 }
.timeline span{ color:var(--muted) }
/* ---------- news ---------- */
.post{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; display:flex; flex-direction:column; transition:.35s var(--ease) }
.post:hover{ transform:translateY(-5px); box-shadow:var(--shadow) }
.post .ph{ height:160px; position:relative; background:var(--paper-2) }
.post .ph svg{ position:absolute; inset:0; width:100%; height:100% }
.post .body{ padding:1.3rem; display:flex; flex-direction:column; gap:.55rem; flex:1 }
.post time{ font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); font-weight:700 }
.post h3{ font-size:1.02rem }
.post p{ font-size:.88rem; color:var(--muted); flex:1 }
.more{ font-size:.82rem; font-weight:700; color:var(--brand-deep); display:inline-flex; gap:.4rem; align-items:center }
.more::after{ content:"→"; transition:transform .3s var(--ease) }
.more:hover::after{ transform:translateX(4px) }

/* ---------- contact ---------- */
.c-lines{ display:grid; gap:1rem; margin-top:1.8rem }
.c-line{ display:flex; align-items:center; gap:1rem; font-weight:500 }
.c-line .ic{ width:44px; height:44px; border-radius:var(--radius); background:var(--brand-tint); display:grid; place-items:center; flex-shrink:0 }
.c-line .ic svg{ width:20px; height:20px; stroke:var(--brand); fill:none; stroke-width:1.7 }
form{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:1.8rem; display:grid; gap:1rem }
.field label{ display:block; font-size:.74rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:.4rem }
.field input,.field textarea{
  width:100%; border:1px solid var(--line); background:var(--paper); padding:.75rem .9rem;
  font:inherit; border-radius:var(--radius); transition:border-color .25s;
}
.field input:focus,.field textarea:focus{ outline:none; border-color:var(--brand) }

/* ---------- footer ---------- */
footer{ background:var(--ink); color:#8f877b; padding-block:3rem 1.8rem; font-size:.88rem }
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:2.5rem; margin-bottom:2.2rem }
footer h4{ color:#fff; font-size:.76rem; letter-spacing:.18em; text-transform:uppercase; margin-bottom:.9rem }
footer li{ margin:.35rem 0 }
footer a:hover{ color:var(--brand-soft) }
.foot-qr{ margin-top:.2rem }
.foot-qr img{ width:100px; height:100px; border-radius:8px; background:#fff; padding:5px; display:block; box-shadow:0 2px 10px rgba(0,0,0,.3) }
.foot-qr span{ display:block; margin-top:.5rem; font-size:.8rem; color:#cdc6ba; line-height:1.4 }
/* 联系卡片内嵌二维码（与页脚风格统一） */
.c-line-qr{ align-items:flex-start }
.c-qr{ width:124px; height:124px; border-radius:8px; background:#fff; padding:6px; display:block; box-shadow:0 2px 10px rgba(0,0,0,.1); margin-top:.15rem }
.qr-note{ display:block; margin-top:.6rem; font-size:.82rem; color:var(--muted); line-height:1.45 }
/* 二维码悬停放大：居中到视口中央、朝页面中心延展，始终完整可见、不超出可视范围 */
.qr-zoom{ display:inline-block; cursor:zoom-in; line-height:0; position:relative; z-index:1 }
.foot-qr .qr-zoom{ width:110px; height:110px }
.c-line-qr .qr-zoom{ width:136px; height:136px }
.qr-zoom img{ width:100%; height:100%; display:block; border-radius:8px; background:#fff; padding:6px; box-sizing:border-box; box-shadow:0 2px 10px rgba(0,0,0,.1); transition:transform .25s var(--ease); transform-origin:center; will-change:transform }
/* 悬停放大：transform 由 main.js 以“内联样式”写入（优先级最高，覆盖任何被缓存的旧 :hover 缩放规则，避免双图）；此处只负责层级与阴影 */
.qr-zoom img.qz-on{ position:relative; z-index:9999; box-shadow:0 10px 40px rgba(0,0,0,.35) }
.foot-base{ border-top:1px solid #332f29; padding-top:1.4rem; display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; font-size:.76rem }

/* ---------- language switcher (cross-domain) ---------- */
.lang-switch{
  display:inline-flex; align-items:center; gap:.45rem; margin-left:.4rem;
  padding:.42rem .8rem; border:1px solid rgba(255,255,255,.4); border-radius:999px;
  color:#fff; font-size:.82rem; font-weight:600; letter-spacing:.04em; white-space:nowrap;
  background:rgba(255,255,255,.08); transition:.25s var(--ease);
}
.lang-switch svg{ width:15px; height:15px; fill:none; stroke:currentColor; stroke-width:1.7 }
/* smart first-visit banner */
/* ---------- reveal ---------- */
.rv{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease) }
.rv.on{ opacity:1; transform:none }
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important }
  .rv{ opacity:1; transform:none }
}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .grid-5{ grid-template-columns:repeat(2,1fr) }
  .grid-3{ grid-template-columns:repeat(2,1fr) }
  .hero .wrap,.grid-2{ grid-template-columns:1fr }
  .stats{ grid-template-columns:repeat(2,1fr) }
  .foot-grid{ grid-template-columns:1fr 1fr }
}
@media (max-width:760px){
  nav ul{
    position:fixed; inset:66px 0 auto 0; background:var(--brand); flex-direction:column;
    gap:0; padding:.6rem 4%; transform:translateY(-130%); transition:transform .38s var(--ease); z-index:50;
  }
  nav ul.open{ transform:none }
  nav li{ border-bottom:1px solid rgba(255,255,255,.14) }
  nav a{ padding:.85rem .4rem }
  .burger{ display:block }
  .nav-cta{ display:none }
  .grid-5,.grid-3{ grid-template-columns:1fr }
  .foot-grid{ grid-template-columns:1fr }
}

/* product imagery — confirmed photos replace SVG placeholders */
.tile .ph img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.plate img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; z-index:0; }
.card-img{ display:block; width:calc(100% + 2.8rem); margin:-1.6rem -1.4rem 1.3rem; aspect-ratio:4/3; object-fit:cover; border-radius:var(--radius) var(--radius) 0 0; }

/* ================= 首屏：先整幅大图，再渐进文字 ================= */
.hero-band{ position:relative; width:100%; overflow:hidden; background:var(--paper-2); border-bottom:1px solid var(--line) }
.hero-band>img{ display:block; width:100%; height:100%; object-fit:cover }
.hero.hero-solo .wrap{ grid-template-columns:1fr; text-align:center; padding-block:clamp(2.5rem,5vw,4rem) }
.hero.hero-solo .lede{ margin-inline:auto }
.hero.hero-solo .hero-actions{ justify-content:center }

/* ================= 图片完整显示，不再裁切 ================= */
.ph img{ object-fit:contain }
.tile .ph{ aspect-ratio:1/1 }

/* ===== 头部品牌 logo（白底衬，避免糊在橙色底上）===== */
/* 透明底 logo：直接压在品牌色/深色底上，无白框 */
.logo-chip{ display:inline-flex; align-items:center; background:transparent; padding:0; box-shadow:none; border-radius:0 }
.logo-chip img{ display:block; height:38px; width:auto; filter:drop-shadow(0 1px 1px rgba(0,0,0,.18)) }
footer .logo-chip img{ height:42px }
@media(max-width:640px){ .logo-chip img{ height:30px } footer .logo-chip img{ height:34px } }

/* ===== 通栏大图：加高版（关于 / 设备）===== */
.hero-band-tall{ aspect-ratio:auto !important; height:clamp(280px,30vw,420px) }
.hero-band-tall>img{ object-fit:cover; object-position:center }

/* ===== 新闻卡片：默认纯图，点击后文字从下方向上滑出 ===== */
.post{ position:relative; overflow:hidden; cursor:pointer; display:block; padding:0 }
.post .ph{ height:auto; aspect-ratio:4/3; position:relative; overflow:hidden; background:var(--paper-2) }
.post .ph img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .55s var(--ease) }
.post .body{ position:absolute; left:0; right:0; bottom:0; padding:1.1rem 1.2rem 1.25rem;
  background:linear-gradient(to top, rgba(18,16,14,.96), rgba(18,16,14,.82) 55%, rgba(18,16,14,0));
  color:#fff; transform:translateY(102%); transition:transform .45s var(--ease); max-height:88%; overflow:auto }
.post .body time{ color:rgba(255,255,255,.72); font-size:.7rem; letter-spacing:.08em }
.post .body h3{ color:#fff; font-size:1rem; margin:.25rem 0 .4rem }
.post .body p{ color:rgba(255,255,255,.9); font-size:.84rem }
.post .body .more{ color:#fff; border-color:rgba(255,255,255,.55); margin-top:.6rem }
.post:hover .body, .post:focus-within .body{ transform:translateY(0) }
.post:hover .ph img, .post:focus-within .ph img{ transform:scale(1.05) }
.post:focus-visible{ outline:2px solid #fff; outline-offset:-3px }
.post::after{ content:"\2192"; position:absolute; right:.7rem; bottom:.7rem; width:28px; height:28px;
  display:grid; place-items:center; border-radius:50%; background:rgba(255,255,255,.92); color:#1b1917;
  font-weight:700; font-size:17px; line-height:1; transition:.3s; z-index:3 }
.post:hover::after{ background:var(--brand); color:#fff }

/* ===== 图片防下载（仅降低随手另存，不影响搜索引擎抓取）===== */
img{ -webkit-user-drag:none; user-drag:none; -webkit-touch-callout:none; -webkit-user-select:none; user-select:none }

/* ===== 新闻列表分页 ===== */
.pager{ display:flex; gap:.45rem; justify-content:center; align-items:center; margin-top:2.2rem; flex-wrap:wrap }
.pg{ min-width:38px; height:38px; padding:0 .7rem; border:1px solid var(--line); background:#fff; border-radius:var(--radius); cursor:pointer; font:inherit; font-size:.9rem; color:var(--ink); transition:.2s }
.pg:hover:not(:disabled){ border-color:var(--brand); color:var(--brand) }
.pg.on{ background:var(--brand); border-color:var(--brand); color:#fff; font-weight:700 }
.pg:disabled{ opacity:.4; cursor:not-allowed }
.hint{ color:var(--muted); font-size:.9rem }

/* ===== 文章页 ===== */
.crumb{ font-size:.85rem; margin-bottom:1rem }
.crumb a{ color:var(--brand); text-decoration:none }
.article{ padding-block:clamp(2rem,5vw,3.5rem) }
.article h1{ font-size:clamp(1.6rem,3.4vw,2.3rem); margin-bottom:1.2rem }
.article-hero{ margin:1.5rem 0; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line) }
.article-hero img{ display:block; width:100%; height:auto }
.article-body{ font-size:1.02rem; line-height:1.95; color:#3a352e }
.cmt{ margin-top:3rem; padding-top:2rem; border-top:1px solid var(--line) }
.cmt h2{ font-size:1.25rem; margin-bottom:1.2rem }
.cm{ border-left:3px solid var(--brand); padding:.6rem .9rem; margin-bottom:.9rem; background:var(--paper-2); border-radius:0 var(--radius) var(--radius) 0 }
.cm-h{ display:flex; gap:.7rem; align-items:baseline; margin-bottom:.3rem }
.cm-h b{ font-size:.92rem }
.cm-h span{ font-size:.75rem; color:var(--muted) }
.cm p{ font-size:.9rem; line-height:1.7; white-space:pre-wrap; word-break:break-word }
.cm-empty{ color:var(--muted); font-size:.9rem }
.cmt-form{ display:grid; gap:.8rem; margin-top:1.4rem; max-width:520px }
.cmt-form input,.cmt-form textarea{ padding:.75rem .9rem; border:1px solid var(--line); border-radius:var(--radius); font:inherit; font-size:.92rem; background:#fff }
.cmt-form input:focus,.cmt-form textarea:focus{ outline:none; border-color:var(--brand) }
.cmt-form button{ justify-self:start }

/* ===== 卡片链接包裹（整卡可点，进入文章页）===== */
.post-link{ display:block; color:inherit; text-decoration:none }
.post-link:focus-visible{ outline:2px solid var(--brand); outline-offset:-3px }

/* ===== 新闻分类导航 ===== */
.cat-nav{ display:flex; gap:.6rem; flex-wrap:wrap; margin:0 0 1.8rem; padding-bottom:1rem; border-bottom:1px solid var(--line) }
.cat-btn{ padding:.5rem 1.1rem; border:1px solid var(--line); border-radius:999px; font-size:.88rem; color:var(--ink); text-decoration:none; transition:.2s; background:#fff }
.cat-btn:hover{ border-color:var(--brand); color:var(--brand) }
.cat-btn.on{ background:var(--brand); border-color:var(--brand); color:#fff; font-weight:600 }

/* ---------- 3-language switcher (dropdown) ---------- */
.lang-switch{ position:relative; display:inline-flex; align-items:center; margin-left:.4rem; }
.ls-cur{ display:inline-flex; align-items:center; gap:.4rem; padding:.35rem .2rem; color:#fff; font-size:.82rem; font-weight:600; letter-spacing:.04em; white-space:nowrap; background:none; border:0; transition:.2s var(--ease); cursor:pointer; }
.ls-cur:hover{ opacity:.7 }
.ls-cur svg{ width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:1.7 }
.ls-menu{ position:absolute; top:calc(100% + .5rem); right:0; min-width:118px; list-style:none; margin:0; padding:.3rem; background:#fff; border-radius:10px; box-shadow:0 14px 34px rgba(0,0,0,.20); opacity:0; visibility:hidden; transform:translateY(-6px); transition:.2s var(--ease); z-index:80; }
.lang-switch:hover .ls-menu,
.lang-switch.open .ls-menu{ opacity:1; visibility:visible; transform:none }
.ls-menu li a{ display:block; padding:.5rem .7rem; border-radius:7px; color:var(--ink); font-size:.85rem; font-weight:600; text-decoration:none; }
.ls-menu li a:hover{ background:rgba(192,80,27,.10); color:var(--brand-deep) }

/* ===== 表面处理工艺 图片集（悬停滚轮切换 + 点击放大）===== */
.process-gallery{ margin-top:2.4rem }
.pg-stage{ position:relative; border-radius:14px; overflow:hidden; background:#fff; box-shadow:0 10px 30px rgba(0,0,0,.08); aspect-ratio:16/9; display:flex; align-items:center; justify-content:center; cursor:zoom-in }
.pg-main{ width:100%; height:100%; object-fit:cover; display:block; transition:opacity .25s var(--ease) }
.pg-nav{ position:absolute; top:50%; transform:translateY(-50%); width:42px; height:42px; border:none; border-radius:50%; background:rgba(255,255,255,.85); color:var(--ink); font-size:1.7rem; line-height:1; cursor:pointer; box-shadow:0 4px 12px rgba(0,0,0,.2); display:flex; align-items:center; justify-content:center; transition:.2s var(--ease) }
.pg-nav:hover{ background:#fff; color:var(--brand-deep) }
.pg-prev{ left:12px } .pg-next{ right:12px }
.pg-hint{ position:absolute; left:50%; bottom:10px; transform:translateX(-50%); background:rgba(0,0,0,.55); color:#fff; font-size:.75rem; padding:.25rem .65rem; border-radius:999px; pointer-events:none; opacity:0; transition:.2s var(--ease) }
.pg-stage:hover .pg-hint{ opacity:1 }
.pg-thumbs{ display:flex; gap:.6rem; margin-top:.9rem; flex-wrap:wrap }
.pg-thumbs button{ width:92px; height:64px; border:2px solid transparent; border-radius:8px; overflow:hidden; padding:0; background:#fff; cursor:pointer; opacity:.6; transition:.2s var(--ease) }
.pg-thumbs button img{ width:100%; height:100%; object-fit:cover; display:block }
.pg-thumbs button.active{ border-color:var(--brand); opacity:1 }
.pg-caption{ margin:.8rem 0 0; font-weight:600; color:var(--ink); font-size:.95rem }
/* 灯箱（点击放大） */
.pg-lightbox{ position:fixed; inset:0; background:rgba(0,0,0,.88); display:none; align-items:center; justify-content:center; flex-direction:column; z-index:99999; padding:2rem }
.pg-lightbox.open{ display:flex }
.pg-lightbox img{ max-width:92vw; max-height:80vh; border-radius:10px; background:#fff; padding:6px; box-shadow:0 20px 60px rgba(0,0,0,.5) }
.pg-lb-cap{ color:#fff; margin-top:1rem; font-size:1rem; font-weight:600 }
.pg-lb-close{ position:absolute; top:18px; right:22px; background:rgba(255,255,255,.9); border:none; width:42px; height:42px; border-radius:50%; font-size:1.5rem; cursor:pointer; color:var(--ink) }
.pg-lb-nav{ position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.85); border:none; width:50px; height:50px; border-radius:50%; font-size:1.9rem; cursor:pointer; color:var(--ink); display:flex; align-items:center; justify-content:center }
.pg-lb-prev{ left:18px } .pg-lb-next{ right:18px }