/* ============================================================
   KADUN 卡盾 · 企业官网
   深绿 + 自然木色 · 简约高端商务风 · 响应式
   ============================================================ */

:root {
  --c-green: #28b71d;        /* 主深绿 */
  --c-green-dark: #1e8a15;   /* 更深绿（页脚/底部） */
  --c-green-light: #52d346;
  --c-green-tint: #edf9e9;   /* 浅绿底 */
  --c-wood: #b98a5a;         /* 自然木色 */
  --c-wood-light: #e9dcc9;
  --c-ink: #1f2421;          /* 深空灰正文 */
  --c-gray: #6b7268;
  --c-line: #e6e8e4;
  --c-white: #ffffff;
  --c-red: #e2211c;          /* 右侧客服组件悬停红 */
  --nav-h: 90px;
  --nav-h-s: 75px;
  /* 100% 自适应：内容随视口铺满，不再限制固定宽度 */
  --container: 100%;
  --gutter: clamp(20px, 3vw, 76px);   /* 左右安全边距（流式） */
  --shadow-1: 0 6px 24px rgba(40, 183, 29, .08);
  --shadow-2: 0 14px 40px rgba(40, 183, 29, .14);
  --ease: cubic-bezier(.25, .8, .25, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: calc(100vw / 19.2); scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 10px); }
@media (max-width: 768px) { html { font-size: calc(100vw / 7.5); } }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  color: var(--c-ink);
  background: var(--c-white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color .3s; }
ul, ol { list-style: none; }
button { font-family: inherit; border: 0; background: none; cursor: pointer; }

/* 100% 自适应容器：铺满视口 + 流式安全边距 */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- 区块标题 ---------- */
.sec { padding: 1.1rem 0 .9rem; }
.sec-title { text-align: center; font-size: 36px; font-weight: 600; letter-spacing: .02em; color: var(--c-ink); }
.sec-title .en { display: block; font-size: 14px; font-weight: 500; letter-spacing: .35em; text-transform: uppercase; color: var(--c-green); margin-bottom: .12rem; }
.sec-sub { text-align: center; color: var(--c-gray); max-width: 7.6rem; margin: .16rem auto 0; font-size: 16px; }
.sec-head-line { width: .5rem; height: 3px; background: var(--c-green); margin: .2rem auto 0; border-radius: 2px; }

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; } .d4 { transition-delay: .4s; } .d5 { transition-delay: .5s; }

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: transform .45s var(--ease), background .35s, height .35s, box-shadow .35s;
  background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,0));
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: .3rem; }

/* Logo：默认白色版，滚动白底态换深色版 */
.logo { display: flex; align-items: center; height: .71rem; flex: none; }
.logo .lg { height: 100%; width: auto; display: block; }
.logo .lg-dark { display: none; }
.site-header.is-solid .logo .lg-light { display: none; }
.site-header.is-solid .logo .lg-dark { display: block; }
body.nav-open .logo .lg-light { display: none; }
body.nav-open .logo .lg-dark { display: block; }

.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav > li { position: relative; height: 100%; }
.main-nav > li > a {
  display: flex; align-items: center;
  padding: 5px .28rem; font-size: 18px; color: #fff; letter-spacing: .02em;
  transition: color .3s, background .3s;
  white-space: nowrap;
}
.main-nav > li > a > .caret { margin-left: 6px; font-size: 12px; opacity: .8; transition: transform .3s; }
.main-nav > li:hover > a > .caret { transform: rotate(180deg); }

/* 当前栏目：绿底白字 */
.main-nav > li > a.active {
  background: var(--c-green); color: #fff; border-radius: 4px;
  box-shadow: 0 4px 14px rgba(40, 183, 29, .35);
}
/* 悬停：白字 */
.main-nav > li > a:hover { color: #fff; }
.site-header.is-solid .main-nav > li > a { color: var(--c-ink); }
.site-header.is-solid .main-nav > li > a:hover { color: var(--c-green); }
.site-header.is-solid .main-nav > li > a.active { color: #fff; background: var(--c-green); }

/* 滚动后：白底 75px，文字/logo 变黑 */
.site-header.is-solid { background: var(--c-white); height: var(--nav-h-s); box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.site-header.is-solid .logo { color: var(--c-ink); }
.site-header.is-hidden { transform: translateY(-110%); }

/* 右侧语言 */
.nav-right { display: flex; align-items: center; height: 100%; flex: none; }
.lang { position: relative; height: 100%; display: flex; align-items: center; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  color: #fff; font-size: 15px; font-weight: 100; letter-spacing: .05em;
  padding: 8px 14px; border: 1px solid rgba(255,255,255,.55); border-radius: 999px;
  transition: all .3s;
}
.lang:hover .lang-btn { border-color: var(--c-green); }
.site-header.is-solid .lang-btn { color: var(--c-ink); border-color: var(--c-line); }

/* ---------- 普通二级下拉 ---------- */
.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
  min-width: 190px; background: #fff; border-radius: 10px;
  box-shadow: var(--shadow-2); padding: 10px 0;
  opacity: 0; visibility: hidden; transition: all .32s var(--ease);
}
.main-nav > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 24px; font-size: 15px; color: var(--c-ink); white-space: nowrap;
}
.dropdown a:hover { background: var(--c-green-tint); color: var(--c-green); padding-left: 28px; }
.dropdown a .en { font-size: 12px; color: #b9beb8; letter-spacing: .04em; }
.site-header:not(.is-solid) .dropdown a { color: var(--c-ink); }

/* ---------- 木卡中心：图片式大下拉（一排） ---------- */
.mega {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(12px);
  width: min(12.6rem, calc(100vw - 2 * var(--gutter))); background: #fff; border-radius: 14px; box-shadow: var(--shadow-2);
  padding: .32rem .36rem .36rem;
  opacity: 0; visibility: hidden; transition: all .35s var(--ease);
}
.main-nav > li:hover .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
html.mega-open .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .26rem; }
.mega-item { display: block; }
.mega-item .pic {
  display: block; width: 100%; max-width: 240px; height: 150px; border-radius: 10px; overflow: hidden;
  position: relative;
}
.mega-item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.mega-item:hover .pic img { transform: scale(1.07); }
.mega-item .pic::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(40,183,29,0) 55%, rgba(40,183,29,.45));
  opacity: 0; transition: opacity .4s;
}
.mega-item:hover .pic::after { opacity: 1; }
.mega-item .tt {
  margin-top: .12rem; font-size: 17px; font-weight: 600; color: var(--c-ink);
  display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; line-height: 1.4;
}
.mega-item .tt .en { font-size: 12px; color: #a9aFA9; font-weight: 400; letter-spacing: .04em; }
.mega-item:hover .tt { color: var(--c-green); }
.mega-item .ds { margin-top: 4px; font-size: 13px; color: var(--c-gray); line-height: 1.6; }

/* ---------- 汉堡（移动端） ---------- */
.burger { display: none; width: 44px; height: 44px; position: relative; z-index: 1100; }
.burger span { position: absolute; left: 10px; width: 24px; height: 2px; background: #fff; transition: all .35s; }
.burger span:nth-child(1) { top: 15px; } .burger span:nth-child(2) { top: 21px; } .burger span:nth-child(3) { top: 27px; }
.site-header.is-solid .burger span { background: var(--c-ink); }
body.nav-open .burger span { background: var(--c-ink); }
body.nav-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   首屏轮播
   ============================================================ */
/* ---- 首屏：向左无缝滚动 ---- */
.banner { position: relative; height: 100vh; min-height: 560px; overflow: hidden; background: var(--c-green-dark); }
.banner-track {
  display: flex; height: 100%; width: 100%;
  transition: transform .9s var(--ease);
  will-change: transform;
}
.banner-slide { position: relative; flex: 0 0 100%; width: 100%; height: 100%; }
.banner-slide .bg { position: absolute; inset: 0; }
.banner-slide .bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); animation: kenburns 9s var(--ease) forwards; }
@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
.banner-slide .mask { position: absolute; inset: 0; background: none; }
.banner-slide > .container { position: relative; z-index: 2; height: 100%; }
.banner-txt {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center; color: #fff;
  padding-bottom: .3rem;
  transform: translateY(300px);
}
.banner-txt .eyebrow { font-size: 15px; letter-spacing: .4em; text-transform: uppercase; color: var(--c-wood-light); margin-bottom: .18rem; }
.banner-txt h2 { font-size: 56px; line-height: 1.25; font-weight: 600; max-width: 9rem; }
.banner-txt p { font-size: 18px; margin-top: .22rem; max-width: 6.4rem; color: rgba(255,255,255,.85); }
.banner-txt .btn-row { margin-top: .4rem; display: flex; gap: .2rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: .14rem .42rem; border-radius: 999px; font-size: 16px; letter-spacing: .05em; transition: all .35s var(--ease); }
.btn-primary { background: var(--c-green); color: #fff; border: 1px solid var(--c-green); }
.btn-primary:hover { background: var(--c-green-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(27,94,67,.35); }
.btn-ghost { border: 1px solid rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--c-green-dark); }
.btn-line { border: 1px solid var(--c-green); color: var(--c-green); }
.btn-line:hover { background: var(--c-green); color: #fff; }

/* 箭头 / 圆点 */
.banner-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 56px; height: 56px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.5); color: #fff; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: all .3s; backdrop-filter: blur(4px);
}
.banner-arrow:hover { background: var(--c-green); border-color: var(--c-green); }
.banner-arrow.prev { left: .4rem; } .banner-arrow.next { right: .4rem; }
.banner-dots { position: absolute; bottom: 36px; left: 0; right: 0; z-index: 5; display: flex; justify-content: center; gap: 12px; }
@keyframes navMask { from { opacity: 0; } to { opacity: 1; } }
.banner-dots button { width: 10px; height: 10px; border-radius: 999px; background: rgba(255,255,255,.45); transition: all .35s; }
.banner-dots button.active { width: 34px; background: #fff; }

/* ============================================================
   关于我们（第二屏）
   ============================================================ */
.about-txt { max-width: 11rem; margin: .4rem auto 0; text-align: center; color: var(--c-gray); font-size: 17px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem; margin-top: .6rem; }
.stat {
  text-align: center; padding: .36rem .2rem; border-radius: 14px;
  background: var(--c-white); border: 1px solid var(--c-line);
  transition: all .4s var(--ease); position: relative; overflow: hidden;
}
.stat::before { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--c-green), var(--c-wood)); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.stat:hover { transform: translateY(-6px); box-shadow: var(--shadow-1); border-color: transparent; }
.stat:hover::before { transform: scaleX(1); }
.stat .num { font-size: 52px; font-weight: 700; color: var(--c-green); font-family: Georgia, "Times New Roman", serif; line-height: 1.1; }
.stat .num i { font-style: normal; font-size: 30px; margin-left: 2px; }
.stat .lb { margin-top: .1rem; font-size: 17px; color: var(--c-ink); font-weight: 500; }
.stat .lb .en { display: block; font-size: 12px; color: #b0b5ae; letter-spacing: .12em; text-transform: uppercase; margin-top: 2px; }

/* ============================================================
   木制钥匙卡（第三屏）
   ============================================================ */
.wood-sec { background: var(--c-green-tint); }
.wood-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: .6rem; align-items: stretch; margin-top: .5rem; }
.spec-list { display: flex; flex-direction: column; justify-content: center; }
.spec { display: grid; grid-template-columns: 1.7rem 1fr; gap: .2rem; padding: .2rem 0; border-bottom: 1px dashed #cfd8d0; }
.spec:last-child { border-bottom: 0; }
.spec .k { color: var(--c-green); font-weight: 600; font-size: 17px; }
.spec .v { color: var(--c-gray); font-size: 16px; }
.spec .v b { color: var(--c-ink); font-weight: 600; }
.spec .v .hl { color: var(--c-wood); font-weight: 600; }

.wood-card { position: relative; border-radius: 16px; overflow: hidden; min-height: 5.2rem; box-shadow: var(--shadow-2); }
.wood-card > img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.wood-card .overlay {
  position: absolute; inset: 0; padding: .4rem;
  background: none;
  display: flex; flex-direction: column; justify-content: flex-end; color: #fff;
}
.wood-card .tag { align-self: flex-start; font-size: 13px; letter-spacing: .2em; text-transform: uppercase; border: 1px solid rgba(255,255,255,.5); padding: 5px 12px; border-radius: 999px; margin-bottom: .14rem; }
.wood-card h3 { font-size: 30px; font-weight: 600; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.wood-card p { margin-top: .12rem; font-size: 15px; color: rgba(255,255,255,.92); line-height: 1.85; text-shadow: 0 1px 6px rgba(0,0,0,.55); }

/* ============================================================
   新闻（第四屏）
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .3rem; margin-top: .5rem; }
.news-card {
  background: #fff; border: 1px solid var(--c-line); border-radius: 14px; overflow: hidden;
  transition: all .45s var(--ease); display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); border-color: transparent; }
.news-card .pic { height: calc(2.1rem + 20px); overflow: hidden; position: relative; }
.news-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .pic img { transform: scale(1.08); }
.news-card .pic .date {
  position: absolute; top: .16rem; left: .16rem; background: var(--c-green); color: #fff;
  padding: 6px 12px; border-radius: 8px; text-align: center; line-height: 1.25;
}
.news-card .pic .date b { display: block; font-size: 20px; font-family: Georgia, serif; }
.news-card .pic .date span { font-size: 11px; opacity: .85; letter-spacing: .05em; }
.news-card .bd { padding: .24rem; display: flex; flex-direction: column; flex: 1; }
.news-card .cat { font-size: 12px; color: var(--c-wood); letter-spacing: .1em; }
.news-card h3 { margin-top: 8px; font-size: 18px; line-height: 1.5; color: var(--c-ink); font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { margin-top: 10px; font-size: 14px; color: var(--c-gray); line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card .more { margin-top: .16rem; font-size: 14px; color: var(--c-green); display: flex; align-items: center; gap: 6px; }
.news-card:hover .more { gap: 12px; }
.news-more { text-align: center; margin-top: .5rem; }

/* ============================================================
   子页通用
   ============================================================ */
.page-hero { position: relative; height: 4.2rem; display: flex; align-items: flex-end; overflow: hidden; }
.page-hero .bg { position: absolute; inset: 0; }
.page-hero .bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .mask { position: absolute; inset: 0; background: none; }
.page-hero .container { position: relative; z-index: 2; padding-bottom: .5rem; color: #fff; }
.page-hero .crumb { font-size: 14px; color: rgba(255,255,255,.75); letter-spacing: .05em; }
.page-hero h1 { font-size: 44px; font-weight: 600; margin-top: .1rem; }
.page-hero .sub { margin-top: .08rem; font-size: 14px; letter-spacing: .3em; text-transform: uppercase; color: var(--c-wood-light); }

/* 关于我们 */
.about-sec { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; align-items: center; padding: .7rem 0; }
.about-sec .pic { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-1); height: 4rem; }
.about-sec .pic img { width: 100%; height: 100%; object-fit: cover; }
.about-sec .kicker { font-size: 14px; letter-spacing: .3em; text-transform: uppercase; color: var(--c-green); font-weight: 600; }
.about-sec h2 { font-size: 32px; margin-top: .12rem; font-weight: 600; }
.about-sec p { margin-top: .18rem; color: var(--c-gray); font-size: 16px; line-height: 1.9; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem; margin-top: .5rem; }
.value { background: #fff; border: 1px solid var(--c-line); border-radius: 14px; padding: .34rem .3rem; transition: all .4s var(--ease); }
.value:hover { transform: translateY(-6px); box-shadow: var(--shadow-1); }
.value .ico { width: .56rem; height: .56rem; border-radius: 12px; background: var(--c-green-tint); color: var(--c-green); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.value h3 { margin-top: .18rem; font-size: 20px; font-weight: 600; }
.value p { margin-top: 10px; font-size: 14px; color: var(--c-gray); line-height: 1.8; }
.svc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .24rem; margin-top: .5rem; }
.svc { display: flex; gap: .18rem; background: #fff; border: 1px solid var(--c-line); border-radius: 14px; padding: .26rem; }
.svc .no { font-size: 30px; font-weight: 700; color: var(--c-wood); opacity: .5; font-family: Georgia, serif; line-height: 1; }
.svc h3 { font-size: 18px; font-weight: 600; }
.svc p { margin-top: 6px; font-size: 14px; color: var(--c-gray); line-height: 1.7; }

/* 木卡中心列表 */
.filter-bar { display: flex; justify-content: center; gap: .14rem; flex-wrap: wrap; margin-top: .4rem; }
.filter-bar a { padding: 10px 30px; border-radius: 999px; border: 1px solid var(--c-line); font-size: 15px; color: var(--c-gray); transition: all .3s; }
.filter-bar a:hover, .filter-bar a.active { background: var(--c-green); border-color: var(--c-green); color: #fff; }
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem; margin-top: .4rem; }

/* 工艺展示（带来极致体验） */
.craft-wrap { display: flex; align-items: center; justify-content: center; gap: .3rem; padding: .3rem 0 .4rem; }
.craft-list { list-style: none; margin: 0; padding: 0; flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.craft-item { display: flex; align-items: center; gap: 16px; padding: 9px 30px 9px 9px; border-radius: 999px; cursor: pointer; width: fit-content; max-width: 100%; transition: background .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease); }
.craft-item:hover { transform: translateX(6px); }
.craft-item .thumb { width: 56px; height: 56px; border-radius: 50%; overflow: hidden; flex: none; border: 2px solid var(--c-green); transition: border-color .3s; }
.craft-item .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.craft-item .lb { font-size: 17px; color: var(--c-ink); white-space: nowrap; transition: color .3s; }
.craft-item:hover .lb { color: var(--c-green); }
.craft-item.active { background: #1b1b1b; box-shadow: 0 12px 28px rgba(0,0,0,.22); transform: translateX(10px); }
.craft-item.active .lb { color: #fff; }
.craft-item.active .thumb { border-color: rgba(255,255,255,.85); }
.craft-item:focus-visible { outline: 2px solid var(--c-green); outline-offset: 2px; }
.craft-stage { position: relative; flex: none; width: 9rem; aspect-ratio: 1024 / 904; border-radius: 20px; overflow: hidden; background: linear-gradient(160deg, #f0f2ed, #dde3da); box-shadow: var(--shadow-1); }
.craft-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.045); transition: opacity .55s var(--ease), transform .9s var(--ease); pointer-events: none; }
.craft-img.active { opacity: 1; transform: scale(1); }
.craft-img.fit-contain { object-fit: contain; padding: 12px; }
.prod-card { background: #fff; border: 1px solid var(--c-line); border-radius: 14px; overflow: hidden; transition: all .45s var(--ease); }
.prod-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); }
.prod-card .pic { height: 2.6rem; overflow: hidden; }
.prod-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.prod-card:hover .pic img { transform: scale(1.08); }
.prod-card .bd { padding: .22rem .24rem; }
.prod-card .cat { font-size: 12px; color: var(--c-wood); letter-spacing: .1em; }
.prod-card h3 { margin-top: 6px; font-size: 19px; font-weight: 600; }
.prod-card p { margin-top: 8px; font-size: 14px; color: var(--c-gray); line-height: 1.7; }

/* 产品详情 */
.pd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: .55rem; align-items: start; padding: .55rem 0; }
.pd-pic { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-1); }
.pd-pic img { width: 100%; object-fit: cover; }
.pd-info .cat { font-size: 13px; color: var(--c-wood); letter-spacing: .15em; text-transform: uppercase; }
.pd-info h1 { font-size: 36px; font-weight: 600; margin-top: .1rem; }
.pd-info .lead { margin-top: .18rem; color: var(--c-gray); font-size: 16px; line-height: 1.9; }
.pd-info h2 { margin-top: .34rem; font-size: 20px; font-weight: 600; padding-left: 12px; border-left: 3px solid var(--c-green); }
.pd-info ul { margin-top: .12rem; }
.pd-info ul li { position: relative; padding: 7px 0 7px 20px; color: var(--c-gray); font-size: 15px; }
.pd-info ul li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--c-wood); }

/* 新闻详情 */
.article { max-width: 9.4rem; margin: 0 auto; padding: .55rem 0 .8rem; }
.article h1 { font-size: 30px; line-height: 1.5; font-weight: 600; }
.article .meta { margin-top: .14rem; color: var(--c-gray); font-size: 14px; display: flex; gap: .3rem; padding-bottom: .24rem; border-bottom: 1px solid var(--c-line); }
.article .pic { margin-top: .3rem; border-radius: 14px; overflow: hidden; }
.article p { margin-top: .24rem; font-size: 16px; color: #43493f; line-height: 2; }
.article h2 { margin-top: .4rem; font-size: 20px; font-weight: 600; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: .5rem; padding: .55rem 0 .8rem; }
.c-info h2 { font-size: 26px; font-weight: 600; }
.c-item { display: flex; gap: 16px; margin-top: .3rem; align-items: flex-start; }
.c-item .ico { width: .48rem; height: .48rem; border-radius: 12px; background: var(--c-green-tint); color: var(--c-green); display: flex; align-items: center; justify-content: center; font-size: 20px; flex: none; }
.c-item .lb { font-size: 13px; color: #a2a8a0; letter-spacing: .08em; }
.c-item .vl { font-size: 16px; color: var(--c-ink); margin-top: 2px; }
.qr-row { display: flex; gap: .34rem; margin-top: .4rem; flex-wrap: wrap; }
.qr-row .qr .box { width: 150px; height: 150px; padding: 8px; }
.qr { text-align: center; }
.qr .box { width: 1.2rem; height: 1.2rem; padding: 8px; border: 1px solid var(--c-line); border-radius: 10px; background: #fff; }
.qr .box svg { width: 100%; height: 100%; }
.qr .box img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }
.qr .lb { margin-top: 8px; font-size: 13px; color: var(--c-gray); }
/* 地图区块（原在线留言位） */
.c-map { background: #fff; border: 1px solid var(--c-line); border-radius: 18px; padding: .4rem; box-shadow: var(--shadow-1); display: flex; flex-direction: column; }
.c-map h3 { font-size: 22px; font-weight: 600; }
.c-map-tip { margin-top: 6px; font-size: 14px; color: var(--c-gray); }
.map-box { position: relative; margin-top: .24rem; flex: 1; min-height: 4rem; border: 1px solid var(--c-line); border-radius: 12px; overflow: hidden; background: var(--c-green-tint); }
.bmap { position: absolute; inset: 0; width: 100%; height: 100%; font-size: 13px; }
.bmap img { max-width: none; background: none; }
.map-bar { display: flex; align-items: center; justify-content: space-between; gap: .24rem; flex-wrap: wrap; margin-top: .24rem; padding: .2rem .24rem; background: var(--c-green-tint); border-radius: 12px; }
.map-bar .lb { font-size: 13px; color: #a2a8a0; letter-spacing: .08em; }
.map-bar .vl { font-size: 16px; color: var(--c-ink); margin-top: 2px; }
.map-btn { flex: none; padding: 12px 26px; border-radius: 999px; background: var(--c-green); color: #fff; font-size: 15px; letter-spacing: .06em; transition: all .3s; }
.map-btn:hover { background: var(--c-green-dark); box-shadow: 0 10px 24px rgba(27,94,67,.3); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer { background: #3f3f3f; color: rgba(255,255,255,.72); margin-top: .8rem; }
.footer-top { display: grid; grid-template-columns: 1.3fr .9fr .9fr 1fr 1.5fr; gap: .34rem; padding: .7rem 0 .5rem; }
.footer-top .f-logo { color: #fff; height: .58rem; display: inline-flex; }
.footer-top .f-logo .lg-dark { display: none; }
.footer-top .f-logo img { height: 100%; width: auto; }
.footer-top p { margin-top: .2rem; font-size: 14px; line-height: 1.9; }
.footer-top h4 { color: #fff; font-size: 17px; font-weight: 600; margin-bottom: .2rem; letter-spacing: .05em; }
.footer-top ul li { margin-bottom: 10px; }
.footer-top ul a { font-size: 14px; color: rgba(255,255,255,.65); }
.footer-top ul a:hover { color: #fff; padding-left: 4px; }
.footer-top .f-contact li { display: flex; gap: 8px; font-size: 14px; line-height: 1.8; }
.footer-top .f-contact .i { color: var(--c-wood); flex: none; }
.f-qr { display: flex; gap: 12px; flex-wrap: wrap; }
.f-qr .qr .box { width: 120px; height: 120px; padding: 6px; border-color: transparent; border-radius: 8px; }
.f-qr .qr .lb { margin-top: 8px; font-size: 12px; color: rgba(255,255,255,.72); }
.footer-bar { background: #f2f3f2; border-top: 1px solid var(--c-line); }
.footer-bottom { padding: 18px 0; font-size: 13px; color: var(--c-gray); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: var(--c-gray); }
.footer-bottom a:hover { color: var(--c-ink); }
/* 右侧在线客服组件（贴右边缘 · 距底部 50px · 仅桌面端） */
.side-bar {
  position: fixed; right: 0; bottom: 50px; z-index: 960;
  display: flex; flex-direction: column; gap: 10px;
}
.side-btn {
  position: relative; width: 64px; height: 64px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: #fff; color: var(--c-ink); border: 1px solid var(--c-line);
  border-radius: 12px 0 0 12px; box-shadow: 0 6px 18px rgba(0, 0, 0, .10);
  transition: all .3s var(--ease); cursor: pointer;
}
.side-btn .ico { width: 24px; height: 24px; display: block; }
.side-btn .ico svg { width: 100%; height: 100%; display: block; }
.side-btn .lb { font-size: 12px; line-height: 1; letter-spacing: .02em; }
.side-btn:hover { background: var(--c-red); border-color: var(--c-red); color: #fff; }

/* 在线客服弹层：位于 <a> 内部，移入弹层仍保持显示 */
.side-chat .side-pop {
  position: absolute; right: calc(100% + 14px); top: 50%;
  width: 196px; background: #fff; color: var(--c-ink);
  border: 1px solid var(--c-line); border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .14);
  padding: 14px 14px 12px; text-align: center;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-50%) translateX(8px);
  transition: all .3s var(--ease);
}
.side-chat:hover .side-pop {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}
.side-chat .side-pop::after {
  content: ""; position: absolute; right: -6.5px; top: 50%; margin-top: -6px;
  width: 12px; height: 12px; background: #fff;
  border-top: 1px solid var(--c-line); border-right: 1px solid var(--c-line);
  transform: rotate(45deg);
}
.side-chat .side-pop img { width: 160px; height: 160px; object-fit: contain; display: block; margin: 0 auto; border-radius: 8px; }
.side-chat .side-pop .t { display: block; margin-top: 10px; font-size: 13px; color: var(--c-gray); }

/* 回到顶部（最底部）：滚动后出现，隐藏时不占位，保证上方两按钮贴底 50px */
.side-top { display: none; }
.side-top.show { display: flex; }
@media (max-width: 900px) { .side-bar { display: none; } }

/* SEO 辅助 */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* 调试/自动化模式：?noanim 关闭所有动效 */
html.noanim { scroll-behavior: auto !important; }
html.noanim .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
html.noanim *, html.noanim *::before, html.noanim *::after { transition: none !important; animation: none !important; }
html.noanim .banner-slide .bg img { animation: none !important; transform: scale(1) !important; }
@media (min-width: 993px) { html.noanim .banner { height: 1080px; min-height: 0; } }

/* 产品详情：参数 + 特性并排 */
.pd-cols { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .45rem; align-items: start; }
.pd-h2 { font-size: 20px; font-weight: 600; padding-left: 12px; margin-bottom: .1rem; }
.pd-h2-g { border-left: 3px solid var(--c-green); }
.pd-h2-w { border-left: 3px solid var(--c-wood); }
.pd-points li { position: relative; padding: 8px 0 8px 22px; color: var(--c-gray); font-size: 16px; }
.pd-points li::before { content: ""; position: absolute; left: 2px; top: 18px; width: 7px; height: 7px; border-radius: 50%; background: var(--c-wood); }
.pd-scene { margin-top: .45rem; background: var(--c-green-tint); border-radius: 14px; padding: .3rem .36rem; }
.pd-scene p { margin-top: .08rem; color: var(--c-gray); font-size: 16px; line-height: 1.9; }

/* 木卡类型（首页分类区） */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .3rem; margin-top: .5rem; }
.cat-card { background: #fff; border: 1px solid var(--c-line); border-radius: 14px; overflow: hidden; transition: all .45s var(--ease); }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); }
.cat-card .pic { height: 2.1rem; overflow: hidden; }.cat-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.cat-card:hover .pic img { transform: scale(1.08); }
.cat-card .bd { padding: 12px 16px 14px; text-align: center; font-size: 13px; line-height: 1.5; }
.cat-card .en { font-size: 12px; letter-spacing: .2em; color: var(--c-wood); text-transform: uppercase; }
.cat-card h3 { margin-top: 3px; font-size: 20px; font-weight: 600; line-height: 1.35; }
.cat-card p { margin-top: 4px; font-size: 13px; color: var(--c-gray); line-height: 1.5; min-height: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-card .more { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--c-green); transition: gap .3s; }

/* 首页新闻中心：一行 4 条 */
.hn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .3rem; margin-top: .5rem; }
.hn-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--c-line); border-radius: 14px;
  padding: .16rem .16rem .22rem; transition: all .45s var(--ease);
}
.hn-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); border-color: transparent; }
.hn-card .pic { height: 1.9rem; border-radius: 10px; overflow: hidden; }
.hn-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.hn-card:hover .pic img { transform: scale(1.07); }
.hn-card h3 {
  margin-top: .16rem; font-size: 18px; font-weight: 600; line-height: 1.5; color: var(--c-ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: .54rem; transition: color .3s;
}
.hn-card:hover h3 { color: var(--c-green); }
.hn-card .date { margin-top: .08rem; font-size: 13px; color: #a9afa9; }
.hn-card p {
  margin-top: .08rem; font-size: 14px; color: var(--c-gray); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1;
}
.hn-card .more { margin-top: .14rem; font-size: 13px; color: var(--c-green); letter-spacing: .02em; }

/* ============================================================
   首页「环保木制钥匙卡」质量参数（新闻中心前）
   ============================================================ */
.eco-sec { background: #f7f8f6; }
.eco-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: .3rem; margin-top: .55rem; }
.eco {
  text-align: center; padding: .26rem .16rem .3rem; background: #fff;
  border: 1px solid var(--c-line); border-radius: 14px;
  transition: all .45s var(--ease);
}
.eco:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); border-color: transparent; }
.eco .ico { width: 52px; height: 52px; margin: 0 auto; color: var(--c-green); }
.eco .ico svg { width: 100%; height: 100%; display: block; }
.eco h3 { margin-top: .15rem; font-size: 17px; font-weight: 600; color: var(--c-ink); }
.eco p { margin-top: 8px; font-size: 13px; color: var(--c-gray); line-height: 1.75; }
.eco .en { display: block; margin-top: 4px; font-size: 11px; font-weight: 500; letter-spacing: .16em; color: var(--c-wood); }
.eco-txt { padding-top: .3rem; }
.eco-txt h3 { margin-top: 0; }

/* ============================================================
   分类页：精湛工艺（一行 5 项）
   ============================================================ */
.craft-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .24rem; margin-top: .5rem; }
.craft {
  background: #fff; border: 1px solid var(--c-line); border-radius: 14px;
  padding: .3rem .24rem .32rem; transition: all .45s var(--ease);
}
.craft:hover { transform: translateY(-8px); box-shadow: var(--shadow-2); border-color: transparent; }
.craft .no { font-family: Georgia, serif; font-size: 26px; font-weight: 700; color: var(--c-green); opacity: .85; line-height: 1; }
.craft h3 { margin-top: 12px; font-size: 17px; font-weight: 600; color: var(--c-ink); }
.craft .en { display: block; margin-top: 5px; font-size: 11px; letter-spacing: .16em; color: var(--c-wood); }
.craft p { margin-top: 9px; font-size: 13px; color: var(--c-gray); line-height: 1.75; }

/* ============================================================
   100% 自适应：超宽屏增强（2K / 4K 显示器）
   ============================================================ */
@media (min-width: 2000px) {
  .news-grid { grid-template-columns: repeat(4, 1fr); }
  .prod-grid { grid-template-columns: repeat(4, 1fr); }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .svc-list { grid-template-columns: repeat(4, 1fr); }
  .filter-bar { gap: .18rem; }
}
@media (min-width: 2560px) {
  .news-grid { grid-template-columns: repeat(4, 1fr); }
  .prod-grid { grid-template-columns: repeat(4, 1fr); }
  .stats { gap: .5rem; }
  .sec { padding: 1.4rem 0 1.1rem; }
}
/* 内容型区块在超宽屏下保持舒适可读宽度（居中） */
@media (min-width: 2000px) {
  .about-txt { max-width: 13rem; }
  .sec-sub { max-width: 9rem; }
  .article { max-width: 11rem; }
  .hn-grid { gap: .4rem; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1200px) {
  .mega { width: 10.4rem; }
  .mega-item .pic { height: 130px; }
}
@media (max-width: 992px) {
  .sec { padding: .6rem 0 .5rem; }
  .sec-title { font-size: .42rem; }
  .banner { height: auto; min-height: 0; }
  .banner-track { height: 62vh; min-height: 420px; }
  .banner-slide { height: 62vh; min-height: 420px; }
  .banner-txt { transform: translateY(.5rem); }
  .banner-txt h2 { font-size: .52rem; max-width: none; }
  .banner-txt .eyebrow { font-size: .2rem; }
  .banner-txt p { font-size: .22rem; }
  .btn { font-size: .22rem; padding: .16rem .44rem; }
  .banner-arrow { display: none; }

  .burger { display: block; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 1050;
    width: 33.33vw; min-width: 200px; background: #fff; flex-direction: column;
    align-items: stretch; padding: 110px 18px 40px; overflow-y: auto;
    transform: translateX(100%); transition: transform .4s var(--ease);
    box-shadow: -10px 0 40px rgba(0,0,0,.12);
  }
  body.nav-open .main-nav { transform: none; }
  body.nav-open::after { content: ""; position: fixed; inset: 0; z-index: 999; background: rgba(15,25,20,.5); animation: navMask .35s ease; }
  .main-nav > li { height: auto; border-bottom: 1px solid var(--c-line); }
  .main-nav > li > a { color: var(--c-ink) !important; height: auto; padding: 16px 2px; font-size: .26rem; justify-content: space-between; border-radius: 0; background: none !important; box-shadow: none !important; }
  .main-nav > li > a.active { color: var(--c-green) !important; }
  .dropdown, .mega { position: static; transform: none; width: 100%; opacity: 1; visibility: visible; box-shadow: none; padding: 0 0 12px; display: none; border-radius: 0; }
  .main-nav > li.open .dropdown, .main-nav > li.open .mega { display: block; }
  .dropdown a { padding: 11px 2px; font-size: .2rem; }
  .mega-grid { grid-template-columns: 1fr; gap: .16rem; }
  .mega-item .pic { width: 100%; height: 1.5rem; }
  .mega-item .tt { font-size: .22rem; } .mega-item .ds { font-size: .18rem; }
  .nav-right { position: fixed; top: 0; right: 18px; z-index: 1100; height: 80px; display: flex; align-items: center; }
  .lang { margin-right: 12px; }
  .lang-btn { font-size: .22rem; padding: 5px 12px; }
  body.nav-open .lang-btn { color: var(--c-ink); border-color: var(--c-line); }

  .stats { grid-template-columns: 1fr; gap: .2rem; }
  .stat { text-align: left; display: flex; align-items: baseline; gap: .2rem; padding: .24rem .3rem; }
  .stat .num { font-size: .56rem; } .stat .lb { font-size: .24rem; } .stat .lb .en { font-size: .16rem; }
  .wood-grid, .about-sec, .pd-grid, .contact-grid { grid-template-columns: 1fr; gap: .3rem; }
  .craft-wrap { flex-direction: column; gap: .3rem; }
  .craft-list { flex-direction: row; flex-wrap: wrap; align-items: flex-start; justify-content: center; gap: 10px; }
  .craft-item { padding: 6px 20px 6px 6px; transform: none !important; }
  .craft-item .thumb { width: 44px; height: 44px; }
  .craft-item .lb { font-size: .22rem; }
  .craft-stage { width: 100%; aspect-ratio: 1024 / 904; }
  .wood-card { min-height: 4rem; }
  .news-grid, .prod-grid { grid-template-columns: 1fr; }
  .news-card .pic { height: 3.4rem; } .prod-card .pic { height: 3.8rem; }
  .news-card h3, .prod-card h3 { font-size: .26rem; }
  .news-card p, .prod-card p, .news-card .more, .news-card .cat { font-size: .2rem; }
  .value-grid { grid-template-columns: 1fr; }
  .svc-list { grid-template-columns: 1fr; }
  .page-hero { height: 3.2rem; }
  .page-hero h1 { font-size: .4rem; }
  .article h1 { font-size: .34rem; }
  .article p { font-size: .2rem; }
  .spec { grid-template-columns: 2rem 1fr; }
  .spec .k { font-size: .24rem; } .spec .v { font-size: .22rem; }
  .about-txt, .sec-sub { font-size: .22rem; max-width: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-bottom { justify-content: center; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; gap: .3rem; }
  .map-box { min-height: 3rem; }
  .map-btn { width: 100%; text-align: center; }
  .qr-row { gap: .2rem; }
  .qr .box { width: 1.5rem; height: 1.5rem; }
}

/* 详情页/分类区窄屏适配 */
@media (max-width: 992px) {
  .pd-cols { grid-template-columns: 1fr; gap: .3rem; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: .2rem; }
  .cat-card .pic { height: 3rem; }
  .cat-card .bd { padding: 14px 12px 16px; }
  .cat-card h3 { font-size: .26rem; }
  .cat-card p, .cat-card .more, .cat-card .en { font-size: .2rem; }
  .pd-points li { font-size: .22rem; }
  /* 首页新闻一行 4 条：窄屏降列 */
  .hn-grid { grid-template-columns: repeat(2, 1fr); gap: .24rem; }
  .hn-card .pic { height: 3.2rem; }
  .hn-card h3 { font-size: .28rem; min-height: 0; }
  .hn-card .date, .hn-card .more { font-size: .2rem; }
  .hn-card p { font-size: .2rem; }
  /* 环保木制钥匙卡参数：窄屏降列 */
  .eco-grid { grid-template-columns: repeat(3, 1fr); gap: .24rem; }
  .eco .ico { width: .64rem; height: .64rem; }
  .eco h3 { font-size: .26rem; }
  .eco p { font-size: .2rem; }
  .eco .en { font-size: .18rem; }
  /* 分类页工艺：窄屏两列 */
  .craft-grid { grid-template-columns: repeat(2, 1fr); gap: .2rem; }
  .craft h3 { font-size: .26rem; }
  .craft .no { font-size: .34rem; }
  .craft .en { font-size: .18rem; }
  .craft p { font-size: .2rem; }
}
@media (max-width: 560px) {
  /* 小屏提高 rem 基准：正文回到 14px+，标题同步放大 */
  html { font-size: calc(100vw / 5.6); }
  .cat-grid { grid-template-columns: 1fr; }
  .cat-card .pic { height: 3.6rem; }
  .eco-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 木卡中心改版：拼图hero / 环保介绍 / 材料与原材料 / 案例轮播 ===== */

/* 顶部拼图 hero */
.eco-hero { position: relative; height: 5.6rem; overflow: hidden; background: var(--c-ink); display: flex; align-items: center; }
.eco-hero .tiles { position: absolute; inset: 0; display: grid; grid-template-columns: 1fr 1.1fr .9fr .8fr; grid-template-rows: 1fr 1fr; gap: 6px; }
.eco-hero .tile { overflow: hidden; }
.eco-hero .tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.eco-hero .t1 { grid-column: 1 / 3; grid-row: 1; }
.eco-hero .t2 { grid-column: 3; grid-row: 1; }
.eco-hero .t3 { grid-column: 4; grid-row: 1 / 3; }
.eco-hero .t4 { grid-column: 1; grid-row: 2; }
.eco-hero .t5 { grid-column: 2 / 4; grid-row: 2; }
.eco-hero .ov { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,19,15,.82) 8%, rgba(14,19,15,.42) 46%, rgba(14,19,15,.12)); }
.eco-hero .ct { position: relative; z-index: 2; }
.eco-hero .crumb { font-size: 14px; color: rgba(255,255,255,.75); letter-spacing: .05em; }
.eco-hero h1 { margin-top: .16rem; font-size: 48px; font-weight: 700; color: #fff; letter-spacing: .02em; text-shadow: 0 2px 18px rgba(0,0,0,.35); }
.eco-hero .slogan { margin-top: 12px; font-size: 18px; color: rgba(255,255,255,.88); padding-left: 14px; border-left: 4px solid var(--c-green); line-height: 1.6; }

/* 环保木卡介绍 */
.eco-intro .lead { max-width: 9.4rem; margin: .3rem auto 0; text-align: center; color: var(--c-gray); font-size: 16px; line-height: 2; }
.eco-feats { display: flex; justify-content: center; gap: .5rem; margin-top: .32rem; flex-wrap: wrap; }
.feat-check { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; color: var(--c-ink); font-weight: 500; }
.feat-check .ck { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--c-green); color: #fff; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; }

/* 材料种类与适用工艺 */
.mat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem; margin-top: .4rem; }
.mat-card { border: 1px solid var(--c-line); border-radius: 16px; overflow: hidden; background: #fff; transition: all .3s var(--ease); }
.mat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: transparent; }
.mat-card .pic { height: 2.1rem; overflow: hidden; }
.mat-card .pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease); }
.mat-card:hover .pic img { transform: scale(1.06); }
.mat-card .bd { padding: .2rem .22rem .26rem; }
.mat-card h3 { font-size: 19px; font-weight: 600; color: var(--c-ink); }
.mat-card h3 .en { font-size: 12px; color: var(--c-gray); letter-spacing: .12em; margin-left: 6px; font-weight: 500; }
.mat-card p { margin-top: 8px; font-size: 14px; color: var(--c-gray); line-height: 1.7; }
.mat-card .tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.mat-card .tags span { padding: 4px 12px; border-radius: 999px; background: #fdf0ea; color: #bf4a25; font-size: 12px; }

/* 原材料展示 */
.raw-wrap { margin-top: .5rem; }
.raw-head { display: flex; align-items: baseline; gap: .2rem; flex-wrap: wrap; margin-bottom: .24rem; }
.raw-head h3 { font-size: 24px; font-weight: 600; color: var(--c-ink); }
.raw-head .en { font-size: 12px; color: var(--c-gray); letter-spacing: .2em; }
.raw-head p { color: var(--c-gray); font-size: 14px; }
.raw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .3rem; }
.raw-card { position: relative; border-radius: 16px; overflow: hidden; height: 3rem; margin: 0; }
.raw-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.raw-card figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 20px; color: #fff; font-size: 14px; background: linear-gradient(transparent, rgba(0,0,0,.65)); }

/* 案例分享：一行四列 */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .28rem; margin-top: .4rem; }
.case-card { border: 1px solid var(--c-line); border-radius: 16px; overflow: hidden; background: #fff; transition: all .3s var(--ease); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: transparent; }
.case-card .pic { height: 1.9rem; overflow: hidden; }
.case-card .pic img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease); }
.case-card:hover .pic img { transform: scale(1.06); }
.case-card .bd { padding: .2rem .22rem .26rem; }
.case-card .tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: var(--c-green-tint); color: var(--c-green-dark); font-size: 12px; }
.case-card h3 { margin-top: 10px; font-size: 17px; font-weight: 600; color: var(--c-ink); }
.case-card p { margin-top: 8px; font-size: 13px; color: var(--c-gray); line-height: 1.7; }

/* 窄屏适配 */
@media (max-width: 992px) {
  .eco-hero { height: 4.4rem; }
  .eco-hero h1 { font-size: .4rem; }
  .eco-hero .slogan { font-size: .2rem; }
  .eco-intro .lead { font-size: .2rem; max-width: none; }
  .feat-check { font-size: .22rem; }
  .mat-grid { grid-template-columns: repeat(2, 1fr); gap: .2rem; }
  .mat-card h3 { font-size: .26rem; }
  .mat-card p { font-size: .2rem; }
  .mat-card .tags span { font-size: .18rem; }
  .raw-head h3 { font-size: .28rem; }
  .raw-head p { font-size: .2rem; }
  .raw-grid { grid-template-columns: 1fr; }
  .raw-card { height: 2.8rem; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: .2rem; }
  .case-card .pic { height: 2.4rem; }
  .case-card h3 { font-size: .26rem; }
  .case-card p { font-size: .2rem; }
  .case-card .tag { font-size: .18rem; }
}
@media (max-width: 560px) {
  .eco-hero { height: 4.6rem; }
  .eco-hero .tiles { grid-template-columns: 1fr 1fr; }
  .eco-hero .t1 { grid-column: 1 / 3; grid-row: 1; }
  .eco-hero .t2 { grid-column: 1; grid-row: 2; }
  .eco-hero .t3 { grid-column: 2; grid-row: 2; }
  .eco-hero .t4, .eco-hero .t5 { display: none; }
  .mat-grid { grid-template-columns: 1fr; }
  .mat-card .pic { height: 3rem; }
  .raw-card { height: 2.6rem; }
  .case-grid { grid-template-columns: 1fr; }
}