/* ============================================================
   拾光定制 SHIGUANG CUSTOM · 全局样式
   暖橙 × 奶油纸感 · 手工定制气质
   ============================================================ */

:root {
  --brand: #E25B1E;
  --brand-deep: #C04A10;
  --brand-soft: #F7E4D6;
  --ink: #2A2119;
  --ink-2: #46392D;
  --muted: #7C6D5F;
  --cream: #FAF5EE;
  --paper: #F1E9DD;
  --card: #FFFDF9;
  --line: #E6DBCB;
  --line-strong: #D8C9B4;
  --shadow: 0 14px 34px rgba(92, 60, 30, 0.09);
  --shadow-sm: 0 4px 14px rgba(92, 60, 30, 0.07);
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;
  --font: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'SF Mono', 'Noto Sans SC', ui-monospace, Menlo, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }

/* ---------- 通用文字 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--brand);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.sec-head { max-width: 720px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head h2 {
  margin-top: 14px;
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 1px;
}
.sec-head .lead { margin-top: 14px; color: var(--muted); font-size: 16px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); box-shadow: 0 10px 22px rgba(226, 91, 30, .32); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); background: var(--card); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 245, 238, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(92, 60, 30, .08); }
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 72px;
}
.brand img { height: 40px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  padding: 8px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color .16s ease, background .16s ease;
}
.nav-link:hover { color: var(--brand); background: var(--brand-soft); }
.nav-link.active { color: var(--brand); font-weight: 700; background: var(--brand-soft); }
.header-cta { margin-left: 8px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  margin-left: auto;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  margin: 4px auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero { padding: 72px 0 80px; overflow: hidden; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}
.hero-badge i {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
  display: inline-block;
}
.hero h1 {
  margin-top: 22px;
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 1px;
}
.hero h1 em { font-style: normal; color: var(--brand); }
.hero-sub {
  margin-top: 20px;
  max-width: 520px;
  color: var(--muted);
  font-size: 16.5px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-note { margin-top: 22px; font-size: 13.5px; color: var(--muted); }
.hero-note b { color: var(--ink); font-weight: 700; }

.hero-visual { position: relative; }
.hero-visual .frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 2;
}
.hero-visual .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px rgba(42, 33, 25, .06);
}
.hero-visual .frame img { width: 100%; height: 460px; object-fit: cover; }
.hero-visual::before {
  content: "";
  position: absolute;
  top: -26px; right: -26px;
  width: 190px; height: 190px;
  border-radius: 50%;
  background: var(--brand-soft);
  z-index: 0;
}
.hero-visual::after {
  content: "";
  position: absolute;
  bottom: -22px; left: -22px;
  width: 150px; height: 150px;
  border: 2px solid var(--line-strong);
  border-radius: 50%;
  z-index: 0;
}
.hero-float {
  position: absolute;
  left: -34px; bottom: 26px;
  z-index: 3;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-float .num { font-size: 24px; font-weight: 800; color: var(--brand); line-height: 1.1; }
.hero-float .lbl { font-size: 12.5px; color: var(--muted); line-height: 1.4; }

/* ---------- 数据条 ---------- */
.stats-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 34px 28px;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
.stat .num { font-size: 34px; font-weight: 800; color: var(--ink); line-height: 1.1; letter-spacing: 1px; }
.stat .num small { font-size: 18px; color: var(--brand); font-weight: 700; margin-left: 2px; }
.stat .lbl { margin-top: 8px; font-size: 14px; color: var(--muted); }

/* ---------- 服务能力卡片 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.feat-card .ic {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
}
.feat-card .ic svg { width: 24px; height: 24px; }
.feat-card h3 { margin-top: 18px; font-size: 17px; font-weight: 700; }
.feat-card p { margin-top: 10px; font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ---------- 产品类别 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.prod-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.prod-card .thumb { aspect-ratio: 4 / 3; overflow: hidden; }
.prod-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.prod-card:hover .thumb img { transform: scale(1.04); }
.prod-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.prod-card .cat { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--brand); }
.prod-card h3 { margin-top: 8px; font-size: 19px; font-weight: 700; }
.prod-card p { margin-top: 8px; font-size: 14px; color: var(--muted); flex: 1; }
.prod-card .meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-2);
  font-weight: 500;
}
.prod-card .go {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.prod-card .go svg { width: 15px; height: 15px; transition: transform .18s ease; }
.prod-card:hover .go svg { transform: translateX(4px); }

/* ---------- 流程 ---------- */
.process { counter-reset: step; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px 22px;
}
.step .no {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 2px;
}
.step .no::before { content: "0" counter(step) " / "; counter-increment: step; }
.step h3 { margin-top: 12px; font-size: 16.5px; font-weight: 700; }
.step p { margin-top: 8px; font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -19px;
  width: 20px;
  height: 2px;
  background: var(--line-strong);
}
.step:last-child::after { display: none; }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.case-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-card:hover .thumb img { transform: scale(1.04); }
.case-card .tag {
  position: absolute;
  top: 14px; left: 14px;
  z-index: 2;
  background: rgba(250, 245, 238, .94);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.case-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.case-card h3 { font-size: 18px; font-weight: 700; }
.case-card p { margin-top: 8px; font-size: 14px; color: var(--muted); flex: 1; }
.case-card .foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.case-card .foot b { color: var(--ink); font-weight: 700; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(226, 91, 30, .18);
}
.cta-band::after {
  content: "";
  position: absolute;
  left: -60px; bottom: -100px;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .07);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 64px 0;
  flex-wrap: wrap;
}
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.3; letter-spacing: 1px; }
.cta-inner p { margin-top: 12px; color: rgba(255, 255, 255, .72); font-size: 15px; max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: #211A13; color: #C9BCAC; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding: 64px 0 48px;
}
.footer-brand img { height: 36px; width: auto; }
.footer-brand p { margin-top: 16px; font-size: 14px; color: #A79885; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 2px; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { font-size: 14px; color: #A79885; transition: color .15s ease; }
.footer-col ul a:hover { color: #fff; }
.footer-contact li { font-size: 14px; color: #A79885; margin-bottom: 13px; line-height: 1.7; }
.footer-contact li b { display: block; color: #E6DACA; font-weight: 600; font-size: 13px; margin-bottom: 2px; letter-spacing: 1px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09);
  padding: 22px 0;
  font-size: 13px;
  color: #8E7F6E;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- 内页页头 ---------- */
.page-hero {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 64px 0 56px;
}
.page-hero .crumb { font-size: 13px; color: var(--muted); }
.page-hero .crumb a { color: var(--brand); font-weight: 600; }
.page-hero .crumb a:hover { text-decoration: underline; }
.page-hero h1 { margin-top: 18px; font-size: clamp(30px, 4vw, 44px); font-weight: 800; letter-spacing: 1px; line-height: 1.25; }
.page-hero .sub { margin-top: 14px; max-width: 640px; color: var(--muted); font-size: 16px; }

/* ---------- 产品详情块 ---------- */
.prod-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.prod-row:last-of-type { border-bottom: none; }
.prod-row:nth-child(even) .prod-img { order: 2; }
.prod-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.prod-img img { width: 100%; height: 340px; object-fit: cover; }
.prod-info .cat { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--brand); }
.prod-info h2 { margin-top: 10px; font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.prod-info .desc { margin-top: 12px; color: var(--muted); font-size: 15px; }
.prod-info .fields { margin-top: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.field {
  background: var(--paper);
  border-radius: 12px;
  padding: 14px 16px;
}
.field .k { font-size: 12px; color: var(--muted); }
.field .v { margin-top: 3px; font-size: 14.5px; font-weight: 700; color: var(--ink); }
.prod-info .scenes { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 工艺表 ---------- */
.craft-table-wrap { overflow-x: auto; }
.craft-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  table-layout: fixed;
  min-width: 640px;
}
.craft-table col.c1 { width: 22%; }
.craft-table col.c2 { width: 30%; }
.craft-table col.c3 { width: 28%; }
.craft-table col.c4 { width: 20%; }
.craft-table th {
  background: var(--paper);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.craft-table td {
  padding: 15px 18px;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.craft-table tr:last-child td { border-bottom: none; }
.craft-table td:first-child { font-weight: 700; color: var(--ink); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-item.open { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
}
.faq-q .qic {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.faq-q .arw {
  flex-shrink: 0;
  width: 20px; height: 20px;
  transition: transform .2s ease;
}
.faq-q .arw svg { width: 100%; height: 100%; }
.faq-item.open .arw { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}
.faq-a-inner { padding: 0 24px 20px 24px; color: var(--muted); font-size: 14.5px; }

/* ---------- 案例筛选 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--card);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .16s ease;
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.active { background: var(--brand); border-color: var(--brand); color: #fff; }
.case-card.hide { display: none; }

/* ---------- 关于页 ---------- */
.about-intro {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: center;
}
.about-intro .text p { margin-bottom: 16px; color: var(--ink-2); font-size: 15.5px; }
.about-intro .text p strong { color: var(--ink); }
.about-intro .imgwrap { position: relative; }
.about-intro .imgwrap img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.about-intro .imgwrap::before {
  content: "";
  position: absolute;
  top: -18px; right: -18px;
  width: 120px; height: 120px;
  background: var(--brand-soft);
  border-radius: 50%;
  z-index: -1;
}
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.as-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
}
.as-card .num { font-size: 34px; font-weight: 800; color: var(--brand); line-height: 1.1; }
.as-card .lbl { margin-top: 10px; font-size: 14px; color: var(--muted); }

.workshop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.workshop-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
.workshop-card img { width: 100%; height: 320px; object-fit: cover; transition: transform .35s ease; }
.workshop-card:hover img { transform: scale(1.04); }
.workshop-card .cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 60px 22px 18px;
  background: linear-gradient(to top, rgba(33, 26, 19, .82), transparent);
  color: #fff;
}
.workshop-card .cap h3 { font-size: 16px; font-weight: 700; }
.workshop-card .cap p { font-size: 12.5px; color: rgba(255, 255, 255, .82); margin-top: 4px; }

/* 时间轴：grid 三列（时间 / 轴 / 内容） */
.timeline { max-width: 860px; margin: 0 auto; }
.tl-row {
  display: grid;
  grid-template-columns: 130px 34px 1fr;
  gap: 20px;
}
.tl-time {
  text-align: right;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--brand);
  padding-top: 6px;
  letter-spacing: 1px;
}
.tl-axis { position: relative; display: flex; justify-content: center; }
.tl-axis::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--line-strong);
}
.tl-row:first-child .tl-axis::before { top: 14px; }
.tl-row:last-child .tl-axis::before { bottom: calc(100% - 14px); }
.tl-dot {
  position: relative;
  z-index: 1;
  width: 14px; height: 14px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--brand);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px var(--brand);
  align-self: flex-start;
  justify-self: center;
}
.tl-body { padding-bottom: 44px; }
.tl-body h3 { font-size: 17px; font-weight: 700; }
.tl-body p { margin-top: 6px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.tl-row:last-child .tl-body { padding-bottom: 0; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.c-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.c-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.c-card .ic {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
}
.c-card .ic svg { width: 22px; height: 22px; }
.c-card h3 { margin-top: 16px; font-size: 15px; font-weight: 700; }
.c-card p { margin-top: 8px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.c-card p b { color: var(--ink); font-weight: 700; }
.contact-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.tip-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 28px 30px;
}
.tip-box h3 { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.tip-box ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-size: 14.5px;
  color: var(--ink-2);
}
.tip-box ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand);
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 90;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, background .2s ease;
  box-shadow: var(--shadow-sm);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- Hero 入场 ---------- */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
.hero .rise { animation: riseIn .7s ease both; }
.hero .rise-1 { animation-delay: .05s; }
.hero .rise-2 { animation-delay: .16s; }
.hero .rise-3 { animation-delay: .28s; }
.hero .rise-4 { animation-delay: .4s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 640px; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .step::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro { grid-template-columns: 1fr; }
  .workshop-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .prod-row { grid-template-columns: 1fr; gap: 28px; }
  .prod-row:nth-child(even) .prod-img { order: 0; }
  .contact-main { grid-template-columns: 1fr; }
  .hero-float { left: 8px; }
}

@media (max-width: 820px) {
  .site-nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 20px;
    box-shadow: 0 18px 30px rgba(92, 60, 30, .12);
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-link { padding: 13px 16px; font-size: 16px; border-radius: 10px; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat { padding: 24px 20px; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .feat-grid, .prod-grid, .case-grid, .workshop-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual .frame img { height: 320px; }
  .hero-float { display: none; }
  .hero-visual::before { width: 130px; height: 130px; right: -16px; top: -16px; }
  .prod-info .fields { grid-template-columns: 1fr; }
  .tl-row { grid-template-columns: 76px 26px 1fr; gap: 12px; }
  .tl-time { font-size: 13px; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .craft-table { min-width: 560px; }
  .cta-inner { padding: 48px 0; }
}