/* =========================================================
   HOPE 家居塑料 · 家居塑料制品展示网站
   温暖家居 · 米杏木色
   ========================================================= */
:root {
  --bg: #FAF6EF;
  --bg-soft: #F4EDE1;
  --card: #FFFFFF;
  --ink: #3D3227;
  --ink-2: #7C6C59;
  --ink-3: #A5937E;
  --brand: #C97C4E;
  --brand-deep: #A9613A;
  --brand-soft: #F3E0D2;
  --wood: #B98A5E;
  --leaf: #8A9B7C;
  --line: #EAE0D0;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(94, 72, 50, .10);
  --shadow-sm: 0 4px 14px rgba(94, 72, 50, .08);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 246, 239, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--wood));
  color: #fff; display: grid; place-items: center;
  font-size: 18px; letter-spacing: .5px;
}
.logo small { display: block; font-size: 10px; font-weight: 400; color: var(--ink-3); letter-spacing: 2px; line-height: 1.2; }
.nav-links { display: flex; align-items: center; gap: 34px; font-size: 15.5px; }
.nav-links a { color: var(--ink-2); position: relative; padding: 6px 0; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--brand-deep); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 3px; border-radius: 3px; background: var(--brand);
}
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-btn {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 7px 16px; font-size: 13.5px; cursor: pointer;
  font-family: var(--font); transition: all .2s;
}
.lang-btn:hover { border-color: var(--brand); color: var(--brand-deep); }
.menu-btn { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 64px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-soft); color: var(--brand-deep);
  font-size: 13.5px; padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.25; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero p.lead { margin: 20px 0 30px; color: var(--ink-2); font-size: 17px; max-width: 30em; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px; font-size: 15.5px;
  cursor: pointer; border: none; transition: all .25s; font-family: var(--font);
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(201, 124, 78, .35); }
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--brand-deep); border: 1.5px solid var(--brand); }
.btn-ghost:hover { background: var(--brand-soft); }
.hero-stats { display: flex; gap: 40px; margin-top: 44px; }
.hero-stats b { font-size: 30px; color: var(--brand-deep); display: block; line-height: 1.2; }
.hero-stats span { font-size: 13.5px; color: var(--ink-3); }
.hero-visual { position: relative; }
.hero-photo {
  border-radius: 30px 30px 30px 90px; overflow: hidden;
  box-shadow: var(--shadow); border: 6px solid #fff;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.float-card {
  position: absolute; background: #fff; border-radius: 16px;
  box-shadow: var(--shadow-sm); padding: 10px; display: flex; gap: 12px; align-items: center;
  animation: floaty 5s ease-in-out infinite;
}
.float-card img { width: 62px; height: 62px; object-fit: cover; border-radius: 10px; }
.float-card b { font-size: 13.5px; display: block; }
.float-card span { font-size: 12px; color: var(--ink-3); }
.fc-1 { left: -26px; bottom: 34px; }
.fc-2 { right: -14px; top: 26px; animation-delay: 1.6s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------- 区块通用 ---------- */
.section { padding: 78px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.section-head .kicker { color: var(--brand); font-size: 14px; letter-spacing: 3px; text-transform: uppercase; }
.section-head h2 { font-size: clamp(24px, 3vw, 34px); margin: 10px 0 12px; letter-spacing: 1px; }
.section-head p { color: var(--ink-2); font-size: 15.5px; }

/* ---------- 分类卡 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 18px; }
.cat-card {
  background: var(--card); border-radius: var(--radius); padding: 26px 18px;
  text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  transition: all .25s;
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--brand-soft); }
.cat-card .ico { font-size: 34px; margin-bottom: 10px; }
.cat-card b { display: block; font-size: 16px; margin-bottom: 4px; }
.cat-card span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 产品卡 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 22px; }
.prod-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); transition: all .25s; display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.prod-thumb { background: #F7F3EC; aspect-ratio: 1/1; display: grid; place-items: center; overflow: hidden; }
.prod-thumb img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.prod-card:hover .prod-thumb img { transform: scale(1.05); }
.prod-info { padding: 15px 17px 17px; }
.prod-info .no { font-size: 12px; color: var(--ink-3); letter-spacing: 1px; }
.prod-info b { display: block; font-size: 15.5px; margin: 3px 0 5px; }
.prod-info .size { font-size: 12.5px; color: var(--ink-2); }
.prod-info .more { margin-top: 10px; font-size: 13px; color: var(--brand-deep); font-weight: 600; }

/* ---------- 筛选 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 14px; }
.chip {
  border: 1.5px solid var(--line); background: #fff; color: var(--ink-2);
  border-radius: 999px; padding: 8px 20px; font-size: 14px; cursor: pointer;
  font-family: var(--font); transition: all .2s;
}
.chip:hover { border-color: var(--brand); color: var(--brand-deep); }
.chip.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.search-wrap { display: flex; justify-content: center; margin: 0 auto 34px; }
.search-wrap input {
  width: min(420px, 90%); padding: 12px 22px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff; font-size: 14.5px;
  font-family: var(--font); outline: none; transition: border .2s;
}
.search-wrap input:focus { border-color: var(--brand); }
.load-more { text-align: center; margin-top: 36px; }
.count-tip { text-align: center; color: var(--ink-3); font-size: 13.5px; margin-bottom: 22px; }

/* ---------- 详情页 ---------- */
.crumbs { font-size: 13.5px; color: var(--ink-3); padding: 26px 0 0; }
.crumbs a:hover { color: var(--brand-deep); }
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; padding: 34px 0 70px; align-items: start; }
.detail-photo { background: #F7F3EC; border-radius: var(--radius); border: 1px solid var(--line); display: grid; place-items: center; }
.detail-photo img { object-fit: contain; aspect-ratio: 1/1; }
.detail-info .no { color: var(--brand); letter-spacing: 2px; font-size: 13.5px; }
.detail-info h1 { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 4px; }
.detail-info .en-name { color: var(--ink-3); font-size: 15px; margin-bottom: 22px; }
.spec-table { width: 100%; border-collapse: collapse; margin: 6px 0 26px; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.spec-table th { color: var(--ink-2); font-weight: 500; width: 8.5em; white-space: nowrap; }
.spec-table tr:nth-child(odd) { background: rgba(244, 237, 225, .5); }
.feat-list { margin: 0 0 30px; }
.feat-list li { padding-left: 26px; position: relative; color: var(--ink-2); font-size: 14.5px; margin-bottom: 9px; }
.feat-list li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 700; }

/* ---------- 优势 / 关于 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.feat-card {
  background: var(--card); border-radius: var(--radius); padding: 30px 26px;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.feat-card .ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 24px; background: var(--brand-soft); margin-bottom: 16px;
}
.feat-card b { font-size: 17px; display: block; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--ink-2); }
.stats-band { background: linear-gradient(120deg, var(--brand-deep), var(--brand) 60%, var(--wood)); border-radius: 26px; color: #fff; display: flex; flex-wrap: wrap; justify-content: space-around; gap: 26px; padding: 44px 30px; }
.stats-band div { text-align: center; }
.stats-band b { font-size: clamp(26px, 3vw, 38px); display: block; }
.stats-band span { font-size: 13.5px; opacity: .85; }
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-story .txt p { color: var(--ink-2); margin-bottom: 16px; font-size: 15.5px; }
.about-collage { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-collage .cell { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px; display: grid; place-items: center; }
.about-collage img { object-fit: contain; aspect-ratio: 1/1; border-radius: 10px; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 18px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 15px; font-weight: 700; color: var(--brand);
  display: block; margin-bottom: 10px; letter-spacing: 1px;
}
.step b { display: block; margin-bottom: 6px; font-size: 15.5px; }
.step p { font-size: 13.5px; color: var(--ink-2); }

/* ---------- CTA ---------- */
.cta-band {
  background: var(--brand-soft); border-radius: 26px; text-align: center;
  padding: 56px 30px; margin: 0 0 78px;
}
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 10px; }
.cta-band p { color: var(--ink-2); margin-bottom: 26px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; }
.contact-cards { display: grid; gap: 16px; }
.c-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; display: flex; gap: 16px; align-items: flex-start; }
.c-card .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--brand-soft); display: grid; place-items: center; font-size: 21px; flex: none; }
.c-card b { display: block; font-size: 15px; margin-bottom: 2px; }
.c-card span, .c-card a { font-size: 14px; color: var(--ink-2); }
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-card h3 { margin-bottom: 20px; font-size: 19px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.f-field { margin-bottom: 16px; }
.f-field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 6px; }
.f-field input, .f-field textarea, .f-field select {
  width: 100%; padding: 12px 15px; border: 1.5px solid var(--line); border-radius: 12px;
  font-size: 14.5px; font-family: var(--font); background: var(--bg); outline: none; transition: border .2s;
}
.f-field input:focus, .f-field textarea:focus, .f-field select:focus { border-color: var(--brand); }
.form-tip { font-size: 12.5px; color: var(--ink-3); margin-top: 12px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #2E2620; color: #CDBFB0; padding: 60px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer-grid h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: 1px; }
.footer-grid p, .footer-grid a { font-size: 13.5px; color: #A8988A; display: block; margin-bottom: 9px; }
.footer-grid a:hover { color: #E8D9C8; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { max-width: 30em; }
.copyright { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; font-size: 12.5px; color: #8A7B6D; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 48px 0 50px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .detail { grid-template-columns: 1fr; gap: 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-story { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); flex-direction: column; padding: 18px 6%;
    border-bottom: 1px solid var(--line); gap: 18px;
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
}
@media (max-width: 560px) {
  .hero-stats { gap: 26px; flex-wrap: wrap; }
  .f-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-card { display: none; }
}