/* ============================================================
   GOSSPO 高斯柏 · 实木全屋定制 — 设计系统
   配色：温暖原木色系（木棕 / 米杏 / 深咖 / 自然绿）
   ============================================================ */

:root {
  --wood-900: #2b1d12;   /* 深咖 */
  --wood-800: #3d2a1a;
  --wood-700: #5a3f28;
  --wood-600: #7a5536;   /* 主木色 */
  --wood-500: #9c6b43;
  --wood-400: #b98a5e;
  --wood-300: #d6b48c;
  --wood-200: #e8d4ba;
  --wood-100: #f3e8d8;
  --cream:    #faf5ec;   /* 米杏背景 */
  --sand:     #f0e6d6;
  --green:    #6e7f4e;   /* 自然绿点缀 */
  --green-dk: #55633a;
  --ink:      #33271c;   /* 正文深棕 */
  --muted:    #8a7866;
  --white:    #fffdf9;
  --shadow:   0 18px 50px rgba(61, 42, 26, .14);
  --shadow-sm:0 8px 24px rgba(61, 42, 26, .10);
  --radius:   18px;
  --radius-sm:12px;
  --maxw:     1200px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans:  "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }

/* ---------- 公告条 ---------- */
.topbar { background: var(--wood-900); color: var(--wood-200); font-size: 13px; letter-spacing: .5px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar__addr { color: var(--wood-300); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 245, 236, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(122, 85, 54, .12);
  transition: box-shadow .3s, background .3s;
}
.nav.scrolled { box-shadow: var(--shadow-sm); background: rgba(250, 245, 236, .96); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--wood-800); }
.brand__logo {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--wood-600), var(--wood-800));
  color: var(--cream); font-family: var(--serif); font-weight: 900; font-size: 22px;
  display: grid; place-items: center; box-shadow: var(--shadow-sm);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-family: var(--serif); font-size: 19px; letter-spacing: 1px; color: var(--wood-800); }
.brand__text em { font-style: normal; font-size: 11px; color: var(--muted); letter-spacing: 1px; }

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links > a, .has-dropdown > a {
  text-decoration: none; color: var(--wood-700); font-size: 15px; font-weight: 500;
  position: relative; padding: 8px 0; transition: color .25s; display: inline-flex; align-items: center; gap: 4px;
}
.nav__links > a::after, .has-dropdown > a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--wood-600); transition: width .3s;
}
.nav__links > a:hover, .has-dropdown > a:hover,
.nav__links > a.active, .has-dropdown > a.active { color: var(--wood-800); }
.nav__links > a.active::after, .has-dropdown > a.active::after,
.nav__links > a:hover::after, .has-dropdown > a:hover::after { width: 100%; }
.caret { font-size: 10px; transition: transform .25s; }

/* 下拉子菜单 */
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--white); border: 1px solid var(--wood-100); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 8px; min-width: 160px;
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transition: opacity .25s, transform .25s, visibility .25s; z-index: 20;
}
.dropdown a {
  padding: 10px 14px; border-radius: 8px; color: var(--wood-700); font-size: 14px;
  text-decoration: none; white-space: nowrap; transition: background .2s, color .2s;
}
.dropdown a:hover { background: var(--wood-100); color: var(--wood-900); }
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(6px); }
.has-dropdown:hover .caret { transform: rotate(180deg); }

.nav__cta { margin-left: 6px; }
.nav__toggle { display: none; background: none; border: none; font-size: 26px; color: var(--wood-800); cursor: pointer; }

/* 语言切换按钮 */
.lang-toggle {
  flex: 0 0 auto; font-family: var(--sans); font-size: 13px; font-weight: 600; letter-spacing: .5px;
  color: var(--wood-700); background: var(--white); border: 1px solid var(--wood-200);
  border-radius: 999px; padding: 7px 14px; cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
}
.lang-toggle:hover { background: var(--wood-600); color: var(--cream); border-color: var(--wood-600); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 28px; border-radius: 999px; font-size: 15px; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none; transition: transform .2s, box-shadow .2s, background .2s;
  font-family: var(--sans);
}
.btn--solid { background: linear-gradient(135deg, var(--wood-600), var(--wood-800)); color: var(--cream); box-shadow: var(--shadow-sm); }
.btn--solid:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--wood-700); border: 1.5px solid var(--wood-400); }
.btn--ghost:hover { background: var(--wood-100); transform: translateY(-2px); }
.btn--full { width: 100%; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 80px 0 90px; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(156, 107, 67, .20), transparent 60%),
    radial-gradient(900px 600px at -5% 110%, rgba(110, 127, 78, .16), transparent 55%),
    linear-gradient(180deg, var(--cream), var(--sand));
  z-index: -1;
}
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.hero__eyebrow { color: var(--wood-600); font-weight: 600; letter-spacing: 2px; font-size: 13px; text-transform: uppercase; margin-bottom: 14px; }
.hero__title { font-family: var(--serif); font-size: clamp(34px, 5vw, 60px); line-height: 1.15; color: var(--wood-900); font-weight: 700; letter-spacing: 1px; }
.hero__sub { margin: 22px 0 30px; font-size: 17px; color: var(--muted); max-width: 520px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats { list-style: none; display: flex; gap: 38px; margin-top: 44px; }
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--serif); font-size: 34px; color: var(--wood-700); line-height: 1; }
.hero__stats span { font-size: 13px; color: var(--muted); margin-top: 6px; }

.hero__visual { position: relative; height: 440px; }
.wood-card {
  position: absolute; border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; align-items: flex-end; padding: 18px 20px; color: var(--cream);
  font-family: var(--serif); font-weight: 600; letter-spacing: 1px;
  transition: scale .35s ease, box-shadow .35s ease, filter .35s ease;
  cursor: pointer;
}
.wood-card:hover {
  scale: 1.06; z-index: 6;
  box-shadow: 0 26px 54px rgba(185, 138, 94, .38);
  filter: brightness(1.06);
  animation-play-state: paused;
}
.wood-card span { background: rgba(43, 29, 18, .55); padding: 5px 12px; border-radius: 8px; font-size: 14px; backdrop-filter: blur(2px); }
.wood-card--1 { width: 62%; height: 70%; left: 0; top: 0;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 8px, transparent 8px 22px),
    linear-gradient(135deg, var(--wood-500), var(--wood-800));
  transform: rotate(-3deg); animation: float 6s ease-in-out infinite;
}
.wood-card--2 { width: 52%; height: 58%; right: 0; top: 14%;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 8px, transparent 8px 22px),
    linear-gradient(135deg, var(--wood-600), var(--wood-900));
  transform: rotate(4deg); animation: float 6s ease-in-out infinite 1.2s;
}
.wood-card--3 { width: 46%; height: 42%; left: 16%; bottom: 0;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 8px, transparent 8px 22px),
    linear-gradient(135deg, var(--green), var(--green-dk));
  transform: rotate(-1deg); animation: float 6s ease-in-out infinite 2.4s;
  z-index: 2;
}
@keyframes float { 0%,100% { translate: 0 0; } 50% { translate: 0 -14px; } }

/* ---------- 通用 section ---------- */
.section { padding: 90px 0; }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 54px; }
.section__eyebrow { color: var(--wood-500); font-weight: 600; letter-spacing: 2px; font-size: 13px; text-transform: uppercase; margin-bottom: 12px; }
.section__title { font-family: var(--serif); font-size: clamp(26px, 3.4vw, 40px); color: var(--wood-900); font-weight: 700; letter-spacing: .5px; }
.section__desc { color: var(--muted); margin-top: 14px; font-size: 16px; }

/* ---------- 关于我们 ---------- */
.about { background: var(--white); }
.about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.about__media { position: relative; }
.about__photo {
  height: 460px; border-radius: var(--radius); box-shadow: var(--shadow);
  background-image: url('images/about-photo.png');
  background-size: cover; background-position: center;
  position: relative; overflow: hidden;
  transition: transform .5s ease, box-shadow .5s ease, filter .5s ease;
}
.about__photo:hover { transform: translateY(-8px); box-shadow: 0 18px 45px rgba(185, 138, 94, .35); filter: brightness(1.05); }
.about__photo::after {
  content: "GOSSPO"; position: absolute; right: 24px; bottom: 20px;
  font-family: var(--serif); font-weight: 900; font-size: 40px; color: rgba(250,245,236,.28); letter-spacing: 3px;
}
.about__badge {
  position: absolute; left: -22px; bottom: 36px; background: var(--cream);
  padding: 16px 22px; border-radius: var(--radius-sm); box-shadow: var(--shadow);
  display: flex; flex-direction: column; border: 1px solid var(--wood-200);
}
.about__badge strong { font-family: var(--serif); color: var(--wood-800); font-size: 18px; letter-spacing: 1px; }
.about__badge span { font-size: 12px; color: var(--muted); }
.about__lead { font-size: 18px; color: var(--wood-800); margin: 14px 0 16px; font-weight: 500; }
.about__copy p { color: var(--muted); }
.about__points { display: grid; gap: 18px; margin-top: 28px; }
.point { display: flex; gap: 16px; align-items: flex-start; }
.point__icon { font-size: 26px; background: var(--wood-100); width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; flex-shrink: 0; }
.point h4 { color: var(--wood-800); font-size: 16px; }
.point p { font-size: 14px; color: var(--muted); }

/* ---------- 产品服务 ---------- */
.products { background: var(--sand); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.card {
  display: block; text-decoration: none; color: inherit;
  background: var(--white); border: 1px solid var(--wood-100); border-radius: var(--radius);
  padding: 0; overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-8px); box-shadow: 0 18px 45px rgba(185, 138, 94, .35); border-color: var(--wood-400); }
.card__img { position: relative; aspect-ratio: 1 / 1; overflow: hidden; }
.card__pic { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: var(--cream); transition: transform .6s ease; }
.card:hover .card__pic { transform: scale(1.06); }
.card__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(43,29,18,.5)); z-index: 1; }
.card__cat {
  position: absolute; left: 14px; bottom: 14px; z-index: 2; background: rgba(43,29,18,.6);
  color: var(--cream); font-size: 13px; padding: 5px 13px; border-radius: 8px; backdrop-filter: blur(2px);
  font-family: var(--serif); letter-spacing: .5px;
}
.card__body { padding: 18px 24px 14px; }
.card__body h3 { font-family: var(--serif); font-size: 20px; color: var(--wood-800); margin-bottom: 8px; }
.card__body p { color: var(--muted); font-size: 14.5px; }
.card__img--wardrobe  .card__pic { background: linear-gradient(135deg, #7a5536, #2b1d12); }
.card__img--cabinet   .card__pic { background: linear-gradient(135deg, #6e7f4e, #55633a); }
.card__img--bookcase  .card__pic { background: linear-gradient(135deg, #b98a5e, #7a5536); }
.card__img--tatami    .card__pic { background: linear-gradient(135deg, #9c6b43, #5a3f28); }
.card__img--door      .card__pic { background: linear-gradient(135deg, #5a3f28, #2b1d12); }
.card__img--furniture .card__pic { background: linear-gradient(135deg, #d6b48c, #b98a5e); }
.card__img--bath   .card__pic { background: linear-gradient(135deg, #5e8b8b, #3d5e5e); }
.card__img--island .card__pic { background: linear-gradient(135deg, #c39a6b, #8a5a33); }

/* 首页·我们的产品：纯展示 —— 去图片层罩 / 分类文字 / 描述文案，白色卡片仅包住标题 */
#products .card__img::after { display: none; }
#products .card__cat { display: none; }
#products .card__body { padding: 14px 18px 16px; }
#products .card__body h3 { margin-bottom: 0; }
#products .card__body p { display: none; }

/* ---------- 扫码关注（二维码位） ---------- */
.qr__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-top: 36px; }
.qr__card { text-align: center; }
.qr__pic {
  aspect-ratio: 1 / 1;
  border-radius: 14px;
  background: var(--white);
  border: 1px dashed var(--wood-300);
  display: grid;
  place-items: center;
  color: var(--wood-500);
  font-size: 14px;
  margin-bottom: 12px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.qr__pic::after { content: "二维码"; letter-spacing: 2px; }
.qr__card:hover .qr__pic { transform: translateY(-8px); border-color: var(--wood-400); box-shadow: 0 18px 45px rgba(185, 138, 94, .35); }
.qr__card figcaption { font-size: 15px; color: var(--wood-700); font-weight: 500; }
.products__more { text-align: center; margin-top: 40px; }

/* ---------- 图片轮播 ---------- */
.carousel-section { background: var(--white); padding: 56px 0; }
.carousel { position: relative; width: 100%; max-width: 1920px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.carousel__track { display: flex; transition: transform .6s cubic-bezier(.22,.61,.36,1); }
.slide { min-width: 100%; aspect-ratio: 3.1 / 1; height: auto; display: block; position: relative; background-size: cover; background-repeat: no-repeat; background-position: center; background-color: var(--wood-100); }
.slide--1, .slide--2, .slide--3 { background-color: var(--wood-100); }

.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 48px; border-radius: 50%; border: none; background: rgba(250,245,236,.85);
  color: var(--wood-900); font-size: 26px; cursor: pointer; box-shadow: var(--shadow-sm);
  display: grid; place-items: center; transition: background .2s;
}
.carousel__btn:hover { background: #fff; }
.carousel__btn--prev { left: 18px; }
.carousel__btn--next { right: 18px; }
.carousel__dots { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 10px; }
.carousel__dots button {
  width: 11px; height: 11px; border-radius: 50%; border: none; background: rgba(250,245,236,.5);
  cursor: pointer; padding: 0; transition: background .2s, width .2s;
}
.carousel__dots button.active { background: var(--cream); width: 26px; border-radius: 999px; }

/* ---------- 实景图集（替代工艺流程） ---------- */
.showcase { background: linear-gradient(180deg, var(--cream), var(--sand)); }
.showcase__grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 960px; margin: 0 auto; }
.showcase__item { margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; scroll-margin-top: 96px; transition: transform .35s ease, box-shadow .35s ease; }
.showcase__pic { display: block; width: 100%; aspect-ratio: 4 / 2; object-fit: cover; object-position: center; }
.showcase__item:hover { transform: translateY(-8px); box-shadow: 0 18px 45px rgba(185, 138, 94, .35); }
.showcase__item:hover .showcase__pic { transform: scale(1.07); }
/* 带跳转链接的风格卡片：悬停显示「查看详情」角标 */
.showcase__item[data-href]::before {
  content: "查看详情";
  position: absolute; top: 12px; right: 12px; z-index: 2;
  font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 1px;
  color: var(--cream); background: rgba(43,29,18,.7);
  padding: 5px 12px; border-radius: 999px;
  opacity: 0; transform: translateY(-6px); transition: opacity .3s, transform .3s;
}
.showcase__item[data-href]:hover::before { opacity: 1; transform: translateY(0); }
.showcase__item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 16px 14px;
  color: var(--cream); font-family: var(--serif); font-weight: 600; font-size: 15px;
  background: linear-gradient(180deg, transparent, rgba(43,29,18,.7)); z-index: 2;
  opacity: 0; transform: translateY(12px); transition: opacity .35s ease, transform .35s ease;
}
.showcase__item:hover figcaption { opacity: 1; transform: translateY(0); }

/* 通用图片渐变（轮播/图集/产品共用） */
.pimg--a { background: linear-gradient(135deg, #7a5536, #2b1d12); }
.pimg--b { background: linear-gradient(135deg, #9c6b43, #5a3f28); }
.pimg--c { background: linear-gradient(135deg, #6e7f4e, #55633a); }
.pimg--d { background: linear-gradient(135deg, #b98a5e, #7a5536); }
.pimg--e { background: linear-gradient(135deg, #5a3f28, #2b1d12); }
.pimg--f { background: linear-gradient(135deg, #d6b48c, #b98a5e); }

/* ---------- 案例展示 ---------- */
.cases { background: var(--white); }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gallery__item { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; position: relative; transition: transform .35s ease, box-shadow .35s ease; }
.gallery__img { height: 240px; background-size: cover; background-position: center; transition: transform .5s; position: relative; }
.gallery__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(43,29,18,.55)); }
.gallery__item:hover { transform: translateY(-8px); box-shadow: 0 18px 45px rgba(185, 138, 94, .35); }
.gallery__item:hover .gallery__img { transform: scale(1.05); }
/* 带跳转链接的案例卡片：悬停显示「查看案例」角标 */
.gallery__item[data-href]::before {
  content: "查看案例";
  position: absolute; top: 12px; right: 12px; z-index: 2;
  font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 1px;
  color: var(--cream); background: rgba(43,29,18,.7);
  padding: 5px 12px; border-radius: 999px;
  opacity: 0; transform: translateY(-6px); transition: opacity .3s, transform .3s;
}
.gallery__item[data-href]:hover::before { opacity: 1; transform: translateY(0); }
.gallery__item figcaption {
  position: absolute; left: 18px; bottom: 14px; color: var(--cream); font-family: var(--serif);
  font-weight: 600; font-size: 15px; z-index: 2;
}
.gallery__img--a { background: linear-gradient(135deg, #7a5536, #3d2a1a); }
.gallery__img--b { background: linear-gradient(135deg, #b98a5e, #7a5536); }
.gallery__img--c { background: linear-gradient(135deg, #d6b48c, #9c6b43); }
.gallery__img--d { background: linear-gradient(135deg, #6e7f4e, #55633a); }
.gallery__img--e { background: linear-gradient(135deg, #9c6b43, #5a3f28); }
.gallery__img--f { background: linear-gradient(135deg, #5a3f28, #2b1d12); }

/* ---------- 原木选材 ---------- */
.materials { background: var(--wood-900); color: var(--cream); }
.materials .section__eyebrow { color: var(--wood-300); }
.materials .section__title { color: var(--cream); }
.materials__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.materials__copy p { color: rgba(243, 232, 216, .8); margin-top: 14px; }
.materials__list { list-style: none; margin-top: 22px; display: grid; gap: 12px; }
.materials__list li { padding: 12px 18px; background: rgba(255,255,255,.05); border-left: 3px solid var(--wood-400); border-radius: 8px; font-size: 15px; }
.materials__list strong { color: var(--wood-200); margin-right: 8px; }
.materials__swatches { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.swatch { height: 150px; border-radius: var(--radius); display: flex; align-items: flex-end; padding: 16px; color: var(--cream); font-family: var(--serif); font-weight: 600; box-shadow: var(--shadow); }
.swatch span { background: rgba(43,29,18,.5); padding: 4px 12px; border-radius: 8px; font-size: 14px; }
.swatch--walnut { background: linear-gradient(135deg, #5a3f28, #2b1d12); }
.swatch--oak { background: linear-gradient(135deg, #b98a5e, #7a5536); }
.swatch--cherry { background: linear-gradient(135deg, #9c6b43, #5a3f28); }
.swatch--ash { background: linear-gradient(135deg, #d6b48c, #b98a5e); }

/* ---------- 优势 ---------- */
.why { background: var(--sand); }
.why__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why__item { background: var(--white); border-radius: var(--radius); padding: 30px 26px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--wood-100); }
.why__item span { font-size: 30px; }
.why__item h4 { color: var(--wood-800); font-size: 18px; margin: 12px 0 8px; }
.why__item p { color: var(--muted); font-size: 14px; }

/* ---------- 联系我们 ---------- */
.contact { background: linear-gradient(180deg, var(--cream), var(--sand)); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact__lead { color: var(--muted); margin: 14px 0 26px; }
.contact__list { list-style: none; display: grid; gap: 18px; }
.contact__list li { display: flex; gap: 14px; align-items: flex-start; }
.contact__list span { font-size: 22px; background: var(--wood-100); width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex-shrink: 0; }
.contact__list strong { display: block; color: var(--wood-800); font-size: 14px; }
.contact__list div { font-size: 15px; color: var(--ink); }

.contact__form { background: var(--white); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); border: 1px solid var(--wood-100); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--wood-800); font-weight: 500; margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--wood-200); border-radius: var(--radius-sm);
  font-family: var(--sans); font-size: 15px; color: var(--ink); background: var(--cream); transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--wood-500); box-shadow: 0 0 0 3px rgba(156,107,67,.15); }
.field input.invalid, .field select.invalid { border-color: #c0392b; }
.form__hint { margin-top: 14px; color: var(--green-dk); font-weight: 600; font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--wood-900); color: var(--wood-200); padding: 56px 0 26px; }
.footer__inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid rgba(214,180,140,.18); }
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__brand .brand__logo { background: linear-gradient(135deg, var(--wood-500), var(--wood-700)); }
.footer__brand strong { font-family: var(--serif); font-size: 18px; color: var(--cream); display: block; }
.footer__brand p { font-size: 13px; color: var(--wood-300); }
.footer__cols { display: flex; gap: 60px; }
.footer__cols h5 { color: var(--cream); font-size: 15px; margin-bottom: 12px; }
.footer__cols a, .footer__cols span { display: block; color: var(--wood-300); text-decoration: none; font-size: 14px; margin-bottom: 8px; }
.footer__cols a:hover { color: var(--cream); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding-top: 22px; font-size: 13px; color: var(--wood-300); }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--wood-600), var(--wood-800)); color: var(--cream);
  border: none; font-size: 22px; cursor: pointer; box-shadow: var(--shadow); opacity: 0; visibility: hidden;
  transition: opacity .3s, transform .3s; z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { transform: translateY(-4px); }

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(43, 29, 18, .82);
  display: none; align-items: center; justify-content: center; padding: 24px; backdrop-filter: blur(4px);
}
.lightbox.open { display: flex; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox__box { position: relative; max-width: 640px; width: 100%; text-align: center; }
/* 网格灯箱：box 紧贴图片，控件跟随图片 */
.lightbox--grid .lightbox__box {
  display: inline-block; vertical-align: middle;
  max-width: none; width: auto; text-align: initial;
}
.lightbox__img { width: 100%; height: 420px; border-radius: var(--radius); box-shadow: var(--shadow); background-size: cover; background-position: center; }
.lightbox__cap { color: var(--cream); font-family: var(--serif); font-weight: 600; font-size: 18px; margin-top: 16px; }
.lightbox__close {
  position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(250,245,236,.92); color: var(--wood-900); border: none; font-size: 24px; line-height: 1;
  cursor: pointer; box-shadow: var(--shadow-sm); z-index: 5;
  display: grid; place-items: center;
}
.lightbox__close:hover { transform: rotate(90deg); transition: transform .25s; }

/* ---------- 产品页（products.html） ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--wood-700), var(--wood-900));
  color: var(--cream); padding: 70px 0 60px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(125deg, rgba(255,255,255,.04) 0 12px, transparent 12px 36px);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero__eyebrow { color: var(--wood-300); letter-spacing: 2px; font-size: 13px; text-transform: uppercase; margin-bottom: 12px; }
.page-hero h1 { font-family: var(--serif); font-size: clamp(30px, 4.4vw, 50px); font-weight: 700; }
.page-hero p { margin-top: 14px; max-width: 560px; color: rgba(243,232,216,.85); }

.subnav {
  position: sticky; top: 72px; z-index: 60; background: rgba(250,245,236,.94);
  backdrop-filter: blur(10px); border-bottom: 1px solid rgba(122,85,54,.12);
  box-shadow: var(--shadow-sm);
}
.subnav__inner { display: flex; flex-wrap: wrap; gap: 10px; padding: 12px 0; }
.subnav__break { display: block; width: 100%; height: 0; order: 3; }
.subnav a, .subnav button {
  flex: 0 0 auto; text-decoration: none; color: var(--wood-700); font-size: 14px; font-weight: 500;
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--wood-200); background: var(--white);
  transition: background .2s, color .2s, border-color .2s; white-space: nowrap; cursor: pointer; font-family: var(--sans);
}
.subnav a:hover, .subnav a.active,
.subnav button:hover, .subnav button.active { background: var(--wood-600); color: var(--cream); border-color: var(--wood-600); }
.subnav button:focus-visible { outline: 2px solid var(--wood-400); outline-offset: 2px; }

/* 产品/案例/风格页 数据驱动的筛选栏（与 .subnav 视觉一致，独立 class 避免冲突） */
.filterbar { position: sticky; top: 72px; z-index: 40; background: rgba(250,245,236,.94); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(122,85,54,.12); margin: 8px 0 22px; padding: 12px 0; }
.filterbar__inner { display: flex; flex-wrap: wrap; gap: 10px; }
.filterbar__btn { flex: 0 0 auto; font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--wood-700); padding: 8px 18px; border-radius: 999px; border: 1px solid var(--wood-200); background: var(--white); cursor: pointer; white-space: nowrap; transition: background .2s, color .2s, border-color .2s; }
.filterbar__btn:hover, .filterbar__btn.is-active { background: var(--wood-600); color: var(--cream); border-color: var(--wood-600); }
.filterbar__btn:focus-visible { outline: 2px solid var(--wood-400); outline-offset: 2px; }

.product { padding: 72px 0; border-bottom: 1px solid var(--wood-100); }
.product:nth-child(even) { background: var(--white); }
.product__head { max-width: 720px; margin-bottom: 30px; }
.product__no { color: var(--wood-400); font-family: var(--serif); font-size: 15px; letter-spacing: 2px; font-weight: 700; }
.product__head h2 { font-family: var(--sans); font-size: clamp(20px, 2.5vw, 28px); color: var(--wood-700); margin: 6px 0 12px; font-weight: 600; letter-spacing: 1px; }
.product__head p { color: var(--muted); font-size: 16px; }
.product__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.product__tags span {
  font-size: 12.5px; color: var(--wood-700); background: var(--wood-100);
  padding: 5px 13px; border-radius: 999px; border: 1px solid var(--wood-200);
}
.product__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 26px; }
.product__cell { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.product__pic { aspect-ratio: 1 / 1; background-size: cover; background-position: center; transition: transform .6s ease; }
.product__cell:hover .product__pic { transform: scale(1.1); }
.product__cell figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 12px; color: var(--cream);
  font-size: 13.5px; font-family: var(--serif); background: linear-gradient(180deg, transparent, rgba(43,29,18,.7));
}
.product__feats { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.product__feats li {
  background: var(--cream); border: 1px solid var(--wood-100); border-radius: var(--radius-sm);
  padding: 16px 18px; font-size: 14.5px; color: var(--ink);
}
.product__feats li strong { display: block; color: var(--wood-800); font-family: var(--serif); margin-bottom: 4px; font-size: 15px; }

/* 预约引导带（替换内嵌表单） */
.cta-band {
  background: linear-gradient(135deg, var(--wood-700), var(--wood-900));
  color: var(--cream); text-align: center; border-radius: var(--radius);
  margin: 60px auto 0; padding: 56px 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(125deg, rgba(255,255,255,.04) 0 12px, transparent 12px 36px);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-band .section__title { color: var(--cream); }
.cta-band p { color: rgba(243,232,216,.85); margin: 14px auto 26px; max-width: 560px; }

/* ---------- 图片网格（产品/定制分页展示） ---------- */
.img-grid { display: grid; grid-template-columns: repeat(var(--cols, 5), 1fr); gap: 16px; margin-top: 26px; }
.img-cell {
  position: relative; margin: 0; aspect-ratio: 1 / 1; border-radius: var(--radius-sm);
  overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; border: 1px solid var(--wood-100);
  transition: box-shadow .3s, transform .3s;
}
.img-cell__pic { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform .6s ease; }
.img-cell:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.img-cell:hover .img-cell__pic { transform: scale(1.14); }
.img-cell::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 45%, rgba(43, 29, 18, .55));
}
.img-cell figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 22px 10px 10px;
  color: var(--cream); font-size: 13px; font-family: var(--serif); font-weight: 600; letter-spacing: .5px;
}

/* 数字分页 */
.pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 26px; }
.pager button {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--wood-200);
  background: var(--white); color: var(--wood-700); font-family: var(--sans); font-weight: 600; font-size: 14px;
  cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.pager button:hover:not(:disabled) { border-color: var(--wood-400); background: var(--wood-100); }
.pager button.active { background: var(--wood-600); color: var(--cream); border-color: var(--wood-600); }
.pager button:disabled { opacity: .4; cursor: not-allowed; }

/* 灯箱：上下页 + 计数器 —— 紧贴图片边缘 */
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border-radius: 50%; border: none;
  background: rgba(250,245,236,.88);
  color: var(--wood-900); font-size: 26px; line-height: 1; cursor: pointer;
  box-shadow: var(--shadow-sm);
  display: grid; place-items: center; transition: background .2s;
}
.lightbox__nav:hover { background: #fff; }
.lightbox__nav--prev { left: 10px; }
.lightbox__nav--next { right: 10px; }
.lightbox__counter {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 5;
  background: rgba(43,29,18,.6); color: var(--cream); font-family: var(--serif); font-weight: 600;
  font-size: 13px; padding: 5px 16px; border-radius: 999px; letter-spacing: 1px;
}
.lightbox--grid .lightbox__img { width: min(94vw, 900px); height: min(84vh, 640px); background-size: contain; background-repeat: no-repeat; background-position: center; border-radius: var(--radius); }
/* 网格灯箱标题在图片下方，不参与按钮定位 */
.lightbox--grid .lightbox__cap {
  margin-top: 12px; text-align: center;
}

/* ---------- 滚动入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { height: 360px; order: -1; }
  .about__grid, .materials__grid, .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .cards, .gallery { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid { grid-template-columns: 1fr; gap: 16px; }
  .product__grid { grid-template-columns: repeat(2, 1fr); }
  .img-grid { grid-template-columns: repeat(3, 1fr); }
  .product__feats { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .qr__grid { grid-template-columns: repeat(3, 1fr); }
  .slide { aspect-ratio: 3.1 / 1; }
}
@media (max-width: 640px) {
  .topbar__inner { font-size: 11px; }
  .topbar__addr { display: none; }
  .nav__links {
    position: absolute; top: 72px; left: 0; right: 0; background: var(--cream); flex-direction: column;
    gap: 0; padding: 6px 24px 16px; box-shadow: var(--shadow-sm); transform: translateY(-150%); transition: transform .35s; border-bottom: 1px solid var(--wood-200);
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links > a, .has-dropdown > a { padding: 13px 0; border-bottom: 1px solid var(--wood-100); width: 100%; }
  .has-dropdown { width: 100%; }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none;
    background: var(--wood-100); margin: 4px 0 10px; padding: 6px;
  }
  .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .hero__stats { gap: 22px; }
  .hero__stats strong { font-size: 26px; }
  .cards, .gallery, .showcase__grid, .why__grid { grid-template-columns: 1fr; }
  .product__grid { grid-template-columns: repeat(2, 1fr); }
  .img-grid { grid-template-columns: repeat(2, 1fr); }
  .qr__grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .footer__cols { gap: 30px; }
  .slide { height: auto; aspect-ratio: 16 / 9; }
  .carousel__btn { width: 40px; height: 40px; font-size: 22px; }
  .carousel__btn--prev { left: 10px; }
  .carousel__btn--next { right: 10px; }
  .product { padding: 52px 0; }
  .subnav { top: 72px; }
}