/* ============================================================
   贵州快印达包装有限公司 · 官网样式
   设计语言：墨金 —— 深墨黑 × 鎏金 × 宋体
   ============================================================ */
:root {
  --ink: #0f0d0a;
  --ink-2: #16130e;
  --ink-3: #1e1a13;
  --line: rgba(200, 160, 95, .22);
  --gold: #c8a05f;
  --gold-light: #e8cf9a;
  --gold-dark: #8f7040;
  --paper: #f2ede2;
  --muted: #a89e8a;
  --red: #b3271e;
  --serif: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --container: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--gold); color: #171410; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* ---------- 通用文字 ---------- */
.gold { color: var(--gold); }
.sec-tag {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: .35em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 18px;
}
.sec-tag::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; }
.sec-title { font-size: clamp(28px, 4vw, 44px); letter-spacing: .06em; line-height: 1.3; }
.sec-sub { color: var(--muted); margin-top: 14px; max-width: 640px; font-size: 15px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s, box-shadow .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(15, 13, 10, .92);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { width: 56px; height: 56px; object-fit: contain; }
.brand-text { line-height: 1.25; }
.brand-text strong { font-family: var(--serif); font-size: 23px; letter-spacing: .16em; display: block; }
.brand-text span { font-size: 10.5px; letter-spacing: .12em; color: var(--muted); }
.nav-links { display: flex; gap: 34px; align-items: center; }
.nav-links a {
  font-size: 15px; letter-spacing: .12em; color: rgba(242, 237, 226, .82);
  padding: 6px 0; position: relative; transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 50%; bottom: -2px; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  transform: translateX(-50%); transition: width .3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-phone {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); padding: 9px 18px; border-radius: 999px;
  font-size: 14px; letter-spacing: .08em; color: var(--gold-light);
  transition: background .25s, border-color .25s;
}
.nav-phone:hover { background: rgba(200,160,95,.12); border-color: var(--gold); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--paper); margin: 5px 0; transition: .3s; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: min(100vh, 1000px);
  display: flex; align-items: center;
  background:
    radial-gradient(1200px 600px at 78% 30%, rgba(200,160,95,.13), transparent 62%),
    radial-gradient(900px 500px at 12% 82%, rgba(179,39,30,.10), transparent 60%),
    linear-gradient(160deg, #131009 0%, #0f0d0a 55%, #0b0a08 100%);
  overflow: hidden;
}
.hero::before {
  /* 鎏金网格底纹 */
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(200,160,95,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,160,95,.05) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(900px 600px at 65% 40%, #000 20%, transparent 75%);
}
.hero-watermark {
  position: absolute; right: -4%; bottom: -14%;
  font-family: var(--serif); font-size: clamp(300px, 38vw, 560px);
  color: transparent; -webkit-text-stroke: 1px rgba(200,160,95,.14);
  line-height: 1; user-select: none; pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding: 150px 0 110px; }

/* 首屏动态底图（轮播 + 缓慢推近） */
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-bg span {
  position: absolute; inset: -70px;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.6s ease;
}
.hero-bg span.active { opacity: 1; animation: heroZoom 8.5s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.09); } }
.hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(100deg, rgba(14,12,8,.93) 0%, rgba(14,12,8,.84) 44%, rgba(14,12,8,.58) 100%),
    linear-gradient(to top, rgba(14,12,8,.92) 0%, rgba(14,12,8,.25) 45%, rgba(14,12,8,.55) 100%);
}
.scroll-hint { z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 14px; letter-spacing: .4em; color: var(--gold); margin-bottom: 26px;
}
.hero-kicker::before, .hero-kicker::after { content: ""; width: 30px; height: 1px; background: var(--gold); }
.hero-title {
  font-size: clamp(40px, 5.6vw, 72px); line-height: 1.22; letter-spacing: .05em;
  font-weight: 700;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(100deg, #f0dcab 10%, var(--gold) 55%, #a67c3e 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { color: var(--muted); margin: 26px 0 40px; max-width: 560px; font-size: 16px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.hero-tags span {
  font-size: 13px; letter-spacing: .16em; color: var(--gold-light);
  border: 1px solid var(--line); padding: 7px 16px; border-radius: 999px;
}
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 34px; font-size: 15px; letter-spacing: .18em;
  border-radius: 2px; cursor: pointer; transition: .3s;
}
.btn-gold {
  background: linear-gradient(100deg, #ecd7a4, #c8a05f 60%, #a87f3f);
  color: #1a150c; font-weight: 600; box-shadow: 0 8px 30px rgba(200,160,95,.25);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(200,160,95,.4); }
.btn-ghost { border: 1px solid rgba(242,237,226,.3); color: var(--paper); margin-left: 14px; }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-light); }

.hero-visual { position: relative; }
.hero-card {
  position: relative; border-radius: 4px; overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  transform: rotate(1.5deg);
}
.hero-card img { width: 100%; height: auto; }
.hero-card::after {
  content: ""; position: absolute; inset: 10px;
  border: 1px solid rgba(232,207,154,.35); pointer-events: none;
}
.hero-card-sub {
  position: absolute; left: -34px; bottom: 36px; width: 200px;
  background: rgba(22,19,14,.9); backdrop-filter: blur(8px);
  border: 1px solid var(--line); padding: 18px 20px; border-radius: 3px;
  transform: rotate(-2deg);
}
.hero-card-sub b { font-family: var(--serif); font-size: 15px; color: var(--gold-light); letter-spacing: .1em; display: block; margin-bottom: 4px; }
.hero-card-sub span { font-size: 12px; color: var(--muted); }

/* 滚动提示 */
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--muted); font-size: 11px; letter-spacing: .3em;
}
.scroll-hint i { width: 1px; height: 44px; background: linear-gradient(var(--gold), transparent); display: block; animation: hint 1.8s infinite; }
@keyframes hint { 0% { opacity: .2; transform: scaleY(.4); transform-origin: top; } 50% { opacity: 1; transform: scaleY(1); } 100% { opacity: .2; } }

/* ---------- 数字条 ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--ink-2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 42px 10px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 25%; height: 50%; width: 1px; background: var(--line); }
.stat b { font-family: var(--serif); font-size: clamp(30px, 3.4vw, 44px); color: var(--gold-light); display: block; line-height: 1.1; }
.stat b i { font-style: normal; font-size: .55em; color: var(--gold); }
.stat span { font-size: 13px; letter-spacing: .22em; color: var(--muted); display: block; margin-top: 10px; }

/* ---------- 区块通用 ---------- */
.section { padding: 110px 0; position: relative; }
.section.alt { background: var(--ink-2); }
.section-head { margin-bottom: 60px; }
.section-head.center { text-align: center; }
.section-head.center .sec-sub { margin-left: auto; margin-right: auto; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.about-media { position: relative; }
.about-media img { width: 100%; border-radius: 4px; box-shadow: 0 26px 70px rgba(0,0,0,.55); }
.about-media::before {
  content: ""; position: absolute; inset: -18px 18px 18px -18px;
  border: 1px solid var(--line); border-radius: 4px; z-index: -1;
}
.about-media .float-chip {
  position: absolute; right: -22px; bottom: -26px;
  background: linear-gradient(100deg, #ecd7a4, #c8a05f 60%, #a87f3f);
  color: #1a150c; padding: 20px 26px; border-radius: 3px; text-align: center;
}
.about-media .float-chip b { font-family: var(--serif); font-size: 30px; display: block; line-height: 1.1; }
.about-media .float-chip span { font-size: 12px; letter-spacing: .2em; font-weight: 600; }
.about-body p { color: var(--muted); margin-bottom: 18px; }
.about-body strong { color: var(--paper); font-weight: 600; }
.mission {
  margin-top: 34px; padding: 26px 30px; border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(200,160,95,.08), transparent 70%);
}
.mission b { font-family: var(--serif); font-size: 17px; color: var(--gold-light); letter-spacing: .1em; display: block; margin-bottom: 8px; }
.mission p { margin: 0; font-size: 14px; }

/* ---------- 核心业务 ---------- */
.svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.svc-card {
  position: relative; border: 1px solid var(--line); border-radius: 4px;
  padding: 44px 40px; background: linear-gradient(160deg, rgba(200,160,95,.05), transparent 45%), var(--ink-3);
  transition: transform .35s, border-color .35s, box-shadow .35s; overflow: hidden;
}
.svc-card:hover { transform: translateY(-6px); border-color: rgba(200,160,95,.5); box-shadow: 0 22px 60px rgba(0,0,0,.45); }
.svc-card .no {
  position: absolute; right: 22px; top: 10px; font-family: var(--serif);
  font-size: 72px; color: rgba(200,160,95,.12); line-height: 1;
}
.svc-card h3 { font-size: 24px; letter-spacing: .12em; margin-bottom: 6px; }
.svc-card em { font-style: normal; font-size: 12px; letter-spacing: .3em; color: var(--gold); }
.svc-card ul { margin-top: 24px; }
.svc-card li {
  padding: 11px 0 11px 24px; color: var(--muted); font-size: 14.5px;
  border-bottom: 1px dashed rgba(200,160,95,.15); position: relative;
}
.svc-card li::before { content: "·"; position: absolute; left: 4px; color: var(--gold); font-weight: 700; }
.svc-card li:last-child { border-bottom: 0; }
.svc-banner {
  margin-top: 30px; border: 1px solid rgba(179,39,30,.4); border-radius: 4px;
  background: linear-gradient(90deg, rgba(179,39,30,.14), rgba(179,39,30,.04));
  padding: 22px 32px; display: flex; align-items: center; gap: 18px;
}
.svc-banner .flag { font-size: 12px; letter-spacing: .2em; color: #e8b6b0; border: 1px solid rgba(179,39,30,.6); padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.svc-banner p { color: var(--paper); font-size: 15px; }

/* ---------- 优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.adv-card {
  border: 1px solid var(--line); border-radius: 4px; padding: 36px 30px;
  background: var(--ink-3); position: relative; overflow: hidden;
  transition: transform .35s, border-color .35s;
}
.adv-card:hover { transform: translateY(-6px); border-color: rgba(200,160,95,.5); }
.adv-card .num { font-family: var(--serif); font-size: 15px; color: var(--gold); letter-spacing: .2em; display: block; margin-bottom: 18px; }
.adv-card h3 { font-size: 21px; letter-spacing: .14em; margin-bottom: 10px; }
.adv-card p { color: var(--muted); font-size: 14px; }
.adv-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--gold-light), transparent); transition: width .4s;
}
.adv-card:hover::after { width: 100%; }
.quote-band {
  margin-top: 54px; text-align: center; padding: 40px 30px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.quote-band p { font-family: var(--serif); font-size: clamp(18px, 2.2vw, 24px); letter-spacing: .1em; color: var(--gold-light); }

/* ---------- 工艺 ---------- */
.craft-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.craft-item {
  border: 1px solid var(--line); border-radius: 4px; padding: 30px 26px;
  background: var(--ink-3); transition: transform .3s, border-color .3s;
}
.craft-item:hover { transform: translateY(-5px); border-color: rgba(200,160,95,.5); }
.craft-item h3 { font-size: 20px; letter-spacing: .1em; }
.craft-item em { font-style: normal; font-size: 11px; letter-spacing: .22em; color: var(--gold); display: block; margin: 4px 0 12px; }
.craft-item p { color: var(--muted); font-size: 13.5px; }
.fee-note {
  margin-top: 44px; border: 1px solid var(--line); border-radius: 4px;
  padding: 30px 36px; background: linear-gradient(160deg, rgba(200,160,95,.07), transparent 50%);
  display: grid; grid-template-columns: 1fr 1fr; gap: 30px;
}
.fee-note h4 { font-family: var(--serif); color: var(--gold-light); font-size: 18px; letter-spacing: .12em; margin-bottom: 12px; }
.fee-note p, .fee-note li { color: var(--muted); font-size: 14px; }
.fee-note .free b { color: var(--gold-light); }

/* ---------- 设计 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { border: 1px solid var(--line); border-radius: 4px; padding: 34px 28px; background: var(--ink-3); transition: .3s; }
.team-card:hover { border-color: rgba(200,160,95,.5); transform: translateY(-5px); }
.team-card h3 { font-size: 20px; letter-spacing: .12em; margin-bottom: 10px; }
.team-card p { color: var(--muted); font-size: 14px; }
.team-card .idx { color: var(--gold); font-family: var(--serif); letter-spacing: .2em; font-size: 13px; display: block; margin-bottom: 14px; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 70px; counter-reset: step; }
.flow-item { position: relative; padding: 34px 26px; text-align: center; }
.flow-item::before {
  content: counter(step, decimal-leading-zero); counter-increment: step;
  font-family: var(--serif); font-size: 40px; color: rgba(200,160,95,.35);
  display: block; line-height: 1; margin-bottom: 16px;
}
.flow-item::after {
  content: ""; position: absolute; top: 52px; left: calc(50% + 40px); width: calc(100% - 80px); height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.flow-item:last-child::after { display: none; }
.flow-item h3 { font-size: 18px; letter-spacing: .12em; margin-bottom: 8px; }
.flow-item p { color: var(--muted); font-size: 13.5px; }

.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.work-card { position: relative; border-radius: 4px; overflow: hidden; border: 1px solid var(--line); }
.work-card img { width: 100%; height: 380px; object-fit: cover; transition: transform .6s; }
.work-card:hover img { transform: scale(1.05); }
.work-card figcaption {
  position: absolute; inset: auto 0 0 0; padding: 60px 24px 22px;
  background: linear-gradient(transparent, rgba(10,8,5,.9));
}
.work-card figcaption b { font-family: var(--serif); font-size: 20px; letter-spacing: .14em; display: block; }
.work-card figcaption span { font-size: 12px; letter-spacing: .14em; color: var(--gold-light); }

/* ---------- 产品展示 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card { border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--ink-3); transition: .35s; }
.prod-card:hover { transform: translateY(-6px); border-color: rgba(200,160,95,.5); box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.prod-card .ph { overflow: hidden; }
.prod-card img { width: 100%; aspect-ratio: 3 / 4; height: auto; object-fit: cover; object-position: top center; transition: transform .6s; }
.prod-card:hover img { transform: scale(1.05); }
.prod-card .cap { padding: 20px 24px; display: flex; justify-content: space-between; align-items: baseline; }
.prod-card .cap b { font-family: var(--serif); font-size: 18px; letter-spacing: .12em; }
.prod-card .cap span { font-size: 12px; color: var(--gold); letter-spacing: .12em; }
.prod-note {
  margin-top: 40px; border: 1px dashed var(--line); border-radius: 4px; padding: 24px 32px;
  color: var(--muted); font-size: 14.5px;
}
.prod-note b { color: var(--gold-light); letter-spacing: .1em; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.case-card { position: relative; border-radius: 4px; overflow: hidden; cursor: zoom-in; border: 1px solid var(--line); }
.case-card img { width: 100%; aspect-ratio: 4 / 5; height: auto; object-fit: cover; object-position: top center; transition: transform .55s; }
.case-card:hover img { transform: scale(1.06); }
.case-card .cap {
  position: absolute; inset: auto 0 0 0; padding: 50px 18px 16px;
  background: linear-gradient(transparent, rgba(10,8,5,.92));
  display: flex; align-items: baseline; gap: 10px;
}
.case-card .cap b { font-family: var(--serif); font-size: 16px; letter-spacing: .1em; }
.case-card .cap span { font-size: 11px; color: var(--gold); letter-spacing: .12em; }

/* ---------- 客户墙 ---------- */
.clients-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.client-chip {
  border: 1px solid var(--line); border-radius: 3px; padding: 16px 20px;
  font-size: 13.5px; color: var(--muted); text-align: center; letter-spacing: .04em;
  transition: .3s; background: rgba(255,255,255,.015);
}
.client-chip:hover { color: var(--gold-light); border-color: rgba(200,160,95,.5); background: rgba(200,160,95,.06); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: st; }
.step {
  border: 1px solid var(--line); border-radius: 4px; padding: 34px 30px;
  background: var(--ink-3); position: relative; counter-increment: st; transition: .3s;
}
.step:hover { border-color: rgba(200,160,95,.5); transform: translateY(-5px); }
.step::before {
  content: counter(st, decimal-leading-zero); font-family: var(--serif);
  font-size: 44px; color: rgba(200,160,95,.3); position: absolute; right: 22px; top: 16px; line-height: 1;
}
.step h3 { font-size: 19px; letter-spacing: .14em; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 14px; }
.promise-band {
  margin-top: 50px; text-align: center; padding: 34px;
  background: linear-gradient(100deg, rgba(200,160,95,.12), rgba(179,39,30,.08));
  border: 1px solid var(--line); border-radius: 4px;
}
.promise-band p { font-family: var(--serif); font-size: clamp(16px, 2vw, 22px); letter-spacing: .18em; color: var(--gold-light); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-list li {
  display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px dashed rgba(200,160,95,.18);
}
.contact-list .ic {
  width: 44px; height: 44px; flex: none; border: 1px solid var(--line); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 18px;
}
.contact-list b { display: block; font-size: 13px; letter-spacing: .2em; color: var(--muted); margin-bottom: 4px; }
.contact-list p { font-size: 16px; color: var(--paper); }
.contact-list .big { font-family: var(--serif); font-size: 26px; color: var(--gold-light); letter-spacing: .06em; }
.cta-card {
  border: 1px solid var(--line); border-radius: 4px; padding: 44px 40px;
  background: linear-gradient(160deg, rgba(200,160,95,.09), transparent 55%), var(--ink-3);
}
.cta-card h3 { font-size: 24px; letter-spacing: .1em; margin-bottom: 14px; }
.cta-card p { color: var(--muted); font-size: 14.5px; margin-bottom: 26px; }
.cta-card .row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.cta-card .row span { border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; font-size: 13px; color: var(--gold-light); letter-spacing: .1em; }
.guide { border-top: 1px dashed rgba(200,160,95,.25); padding-top: 22px; margin-top: 6px; }
.guide b { color: var(--gold-light); font-size: 13px; letter-spacing: .18em; display: block; margin-bottom: 8px; }
.guide p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--line); background: #0b0a07; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 54px; }
.footer-grid h4 { font-family: var(--serif); font-size: 16px; letter-spacing: .16em; color: var(--gold-light); margin-bottom: 18px; }
.footer-grid p, .footer-grid li { color: var(--muted); font-size: 13.5px; line-height: 2; }
.footer-brand img { width: 76px; margin-bottom: 16px; }
.footer-brand strong { font-family: var(--serif); font-size: 21px; letter-spacing: .12em; display: block; color: var(--paper); }
.footer-brand span { font-size: 11px; letter-spacing: .1em; color: var(--muted); }
.footer-slogan { font-family: var(--serif); color: var(--gold); font-size: 14px; letter-spacing: .2em; margin-top: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(200,160,95,.12); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
}
.footer-bottom p { color: rgba(168,158,138,.6); font-size: 12px; letter-spacing: .06em; }

/* ---------- 悬浮工具 ---------- */
.float-tools { position: fixed; right: 22px; bottom: 26px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.float-tools a, .float-tools button {
  width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(22,19,14,.9); backdrop-filter: blur(6px); color: var(--gold-light);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  font-size: 13px; letter-spacing: 0; transition: .3s;
}
.float-tools a:hover, .float-tools button:hover { background: var(--gold); color: #171410; border-color: var(--gold); }
.float-phone-tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%);
  background: rgba(22,19,14,.95); border: 1px solid var(--line); border-radius: 4px;
  padding: 8px 14px; font-size: 13px; white-space: nowrap; color: var(--gold-light);
  opacity: 0; pointer-events: none; transition: .3s;
}
.float-tools a:hover .float-phone-tip { opacity: 1; }

/* 移动端底部一键拨号条 */
.mobile-call { display: none; }
@media (max-width: 640px) {
  .float-tools { display: none; }
  .mobile-call {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 95;
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: linear-gradient(100deg, #2b2315 0%, #191510 100%);
    border-top: 1px solid rgba(200,160,95,.4);
    box-shadow: 0 -8px 26px rgba(0,0,0,.5);
  }
  .mobile-call .mc-icon {
    width: 48px; height: 48px; border-radius: 50%; flex: none;
    background: linear-gradient(120deg, #eed494, #b3843a); color: #171410;
    display: flex; align-items: center; justify-content: center;
    font-size: 21px; font-weight: 700;
    animation: callPulse 1.9s infinite;
  }
  @keyframes callPulse {
    0% { box-shadow: 0 0 0 0 rgba(224,182,105,.55); }
    70% { box-shadow: 0 0 0 15px rgba(224,182,105,0); }
    100% { box-shadow: 0 0 0 0 rgba(224,182,105,0); }
  }
  .mobile-call .mc-text { flex: 1; min-width: 0; line-height: 1.35; }
  .mobile-call .mc-text b { display: block; color: var(--paper); font-size: 16px; font-weight: 700; }
  .mobile-call .mc-text i { font-style: normal; color: var(--gold-light); font-size: 12px; letter-spacing: .05em; }
  .mobile-call .mc-btn {
    flex: none; background: linear-gradient(120deg, #eed494, #b3843a);
    color: #171410; font-weight: 700; font-size: 15px;
    padding: 13px 20px; border-radius: 999px;
    box-shadow: 0 4px 14px rgba(200,160,95,.35);
  }
  body { padding-bottom: 78px; }
}

/* ---------- 灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(8,7,5,.94);
  display: none; align-items: center; justify-content: center; padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(860px, 92vw); max-height: 86vh; object-fit: contain; border: 1px solid var(--line); border-radius: 3px; }
.lightbox-close {
  position: absolute; top: 26px; right: 30px; background: none; border: 1px solid var(--line);
  color: var(--paper); width: 44px; height: 44px; border-radius: 50%; font-size: 18px; cursor: pointer;
}
.lightbox-close:hover { background: var(--gold); color: #171410; }

/* ---------- 页面 Hero（内页） ---------- */
.page-hero {
  position: relative; padding: 200px 0 100px; overflow: hidden;
  background:
    radial-gradient(1000px 500px at 80% 20%, rgba(200,160,95,.12), transparent 60%),
    linear-gradient(160deg, #131009, #0f0d0a 60%, #0b0a08);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(200,160,95,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(200,160,95,.05) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(700px 400px at 70% 35%, #000 20%, transparent 75%);
}
.page-hero .crumb { font-size: 12px; letter-spacing: .3em; color: var(--muted); margin-bottom: 20px; }
.page-hero .crumb a:hover { color: var(--gold-light); }
.page-hero h1 { font-size: clamp(34px, 4.6vw, 56px); letter-spacing: .08em; }
.page-hero .en { font-size: 13px; letter-spacing: .5em; color: var(--gold); margin-top: 14px; text-transform: uppercase; }
.page-hero .lead { color: var(--muted); max-width: 640px; margin-top: 22px; }
.page-hero .wm {
  position: absolute; right: 0; bottom: -30%; font-family: var(--serif);
  font-size: 320px; color: transparent; -webkit-text-stroke: 1px rgba(200,160,95,.12); line-height: 1;
  user-select: none; pointer-events: none;
}

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s ease; }
.reveal.vis { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .svc-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
  .hero-card-sub { left: -10px; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .craft-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(3, 1fr); }
  .clients-wall { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-item::after { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
}
@media (max-width: 640px) {
  .nav-links {
    position: fixed; inset: 76px 0 auto 0; background: rgba(15,13,10,.98);
    flex-direction: column; gap: 0; padding: 10px 0 24px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform .4s;
  }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 28px; width: 100%; }
  .nav-toggle { display: block; }
  .nav-phone { display: none; }
  .adv-grid, .craft-grid, .team-grid, .works-grid, .prod-grid, .case-grid, .steps, .flow, .clients-wall, .fee-note, .stats-grid { grid-template-columns: 1fr; }
  .stat::before { display: none !important; }
  .section { padding: 80px 0; }
  .hero-inner { padding: 130px 0 90px; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-ghost { margin-left: 0; margin-top: 12px; }
  .hero .btn { display: block; width: 100%; text-align: center; box-sizing: border-box; }
  .hero-watermark { font-size: 260px; }
}