/* ============================================================
   宜春连我广告有限公司 · 官方网站
   设计语言：墨黑 × 鎏金 × 编辑式排版
   ============================================================ */

:root {
  --bg: #0A0A0E;
  --bg-soft: #0E0E13;
  --surface: #121218;
  --surface-2: #17171F;
  --line: rgba(201, 161, 95, 0.16);
  --line-soft: rgba(237, 234, 227, 0.08);
  --gold: #C9A15F;
  --gold-hi: #E8C88A;
  --gold-dim: rgba(201, 161, 95, 0.55);
  --text: #EFECE5;
  --muted: #9A978E;
  --muted-2: #6E6B64;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Playfair Display", "Noto Serif SC", serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.6, 0.05, 0.1, 1);
  --container: 1280px;
  --nav-h: 84px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 胶片颗粒质感 */
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  z-index: 1500;
  animation: grain 9s steps(10) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-3%, -6%); }
  30% { transform: translate(4%, -2%); }
  50% { transform: translate(-2%, 4%); }
  70% { transform: translate(3%, 5%); }
  90% { transform: translate(-4%, 1%); }
}

::selection { background: var(--gold); color: #0A0A0E; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #2A2A33; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dim); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; color: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

/* ---------- Utilities ---------- */
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.container-wide { width: min(100% - 48px, 1560px); margin-inline: auto; }

.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.section--tight { padding: clamp(56px, 7vw, 96px) 0; }

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.section-head.is-center { text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.is-center .eyebrow::after { content: ""; width: 34px; height: 1px; background: var(--gold); }

.section-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.24;
  letter-spacing: 0.04em;
}
.section-title em { font-style: normal; color: var(--gold); }
.section-desc {
  margin-top: 18px;
  max-width: 640px;
  color: var(--muted);
  font-size: 15.5px;
}
.is-center .section-desc { margin-inline: auto; }

.hairline { height: 1px; background: var(--line-soft); border: 0; }

.text-gold { color: var(--gold); }
.serif { font-family: var(--serif); }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 34px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  border-radius: 2px;
  overflow: hidden;
  transition: color 0.45s var(--ease), border-color 0.45s var(--ease);
  will-change: transform;
}
.btn svg { transition: transform 0.45s var(--ease); }
.btn:hover svg { transform: translateX(5px); }

.btn--gold { background: linear-gradient(120deg, var(--gold) 0%, var(--gold-hi) 100%); color: #0A0A0E; }
.btn--gold::before {
  content: "";
  position: absolute; inset: 0;
  background: #0A0A0E;
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
  z-index: 0;
}
.btn--gold:hover { color: var(--gold-hi); }
.btn--gold:hover::before { transform: translateY(0); }
.btn--gold span, .btn--gold svg { position: relative; z-index: 1; }

.btn--ghost { border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.01); }
.btn--ghost::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, var(--gold) 0%, var(--gold-hi) 100%);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease);
}
.btn--ghost:hover { color: #0A0A0E; border-color: transparent; }
.btn--ghost:hover::before { transform: translateY(0); }
.btn--ghost span, .btn--ghost svg { position: relative; z-index: 1; }

.btn--sm { padding: 11px 24px; font-size: 13px; }

/* ---------- Preloader ---------- */
.loader {
  position: fixed; inset: 0;
  background: #06060A;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-mark { width: 64px; height: 34px; color: var(--gold); }
.loader-mark circle, .loader-mark path {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: draw 1.6s var(--ease) forwards;
}
.loader-mark path { animation-delay: 0.25s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.loader-word {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}
.loader-num {
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--muted-2);
}
.loader-bar { width: 180px; height: 1px; background: rgba(255,255,255,0.1); overflow: hidden; }
.loader-bar i { display: block; height: 100%; width: 0; background: var(--gold); transition: width 0.2s linear; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Custom Cursor ---------- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 34px; height: 34px;
  border: 1px solid var(--gold-dim);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2500;
  transform: translate(-50%, -50%);
  transition: width 0.35s var(--ease), height 0.35s var(--ease), background-color 0.35s, border-color 0.35s, opacity 0.3s;
  display: none;
}
.cursor.is-active { width: 58px; height: 58px; background: rgba(201,161,95,0.12); border-color: var(--gold); }
.cursor-dot {
  position: fixed; top: 0; left: 0;
  width: 5px; height: 5px;
  background: var(--gold-hi);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2501;
  transform: translate(-50%, -50%);
  display: none;
}
@media (pointer: fine) {
  .cursor, .cursor-dot { display: block; }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background-color 0.5s var(--ease), backdrop-filter 0.5s, border-color 0.5s, height 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  height: 68px;
  background: rgba(10, 10, 14, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line-soft);
}
.nav-inner {
  width: min(100% - 48px, 1560px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo { display: flex; align-items: center; gap: 13px; }
.nav-logo .logo-svg { width: 46px; height: 24px; color: var(--gold); flex: none; }
.nav-logo .logo-svg circle, .nav-logo .logo-svg path { transition: all 0.4s var(--ease); }
.nav-logo:hover .logo-svg circle:first-of-type { fill: rgba(201,161,95,0.25); }
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text b { font-family: var(--serif); font-weight: 900; font-size: 19px; letter-spacing: 0.18em; }
.logo-text i {
  font-style: normal;
  font-family: var(--display);
  font-size: 8.5px;
  letter-spacing: 0.42em;
  color: var(--gold);
  text-transform: uppercase;
}

.nav-menu { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.nav-link {
  position: relative;
  font-size: 14.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 6px 2px;
  transition: color 0.35s;
}
.nav-link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left; }

.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-tel {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--display);
  font-size: 14.5px;
  letter-spacing: 0.08em;
  color: var(--text);
  transition: color 0.3s;
}
.nav-tel:hover { color: var(--gold-hi); }
.nav-tel svg { color: var(--gold); }

.nav-burger { display: none; flex-direction: column; gap: 6px; padding: 8px 2px; }
.nav-burger span { width: 26px; height: 1.5px; background: var(--text); transition: all 0.4s var(--ease); }
.nav-burger.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0;
  background: rgba(8, 8, 12, 0.98);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8vw;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(26px, 6vw, 40px);
  letter-spacing: 0.1em;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 18px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), color 0.3s;
}
.mobile-menu.is-open a { opacity: 1; transform: none; }
.mobile-menu a small { font-family: var(--display); font-size: 12px; color: var(--gold); letter-spacing: 0.2em; }
.mobile-menu a:hover { color: var(--gold-hi); }
.mobile-menu .mm-foot { margin-top: 40px; color: var(--muted); font-size: 14px; line-height: 2; }

/* ---------- Hero (首页) ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 0 80px;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 600px at 78% 30%, rgba(201, 161, 95, 0.09), transparent 60%),
    radial-gradient(700px 500px at 12% 85%, rgba(201, 161, 95, 0.05), transparent 60%),
    var(--bg);
}
.hero-bg img {
  position: absolute;
  top: 50%; right: -6%;
  transform: translateY(-50%);
  width: min(62vw, 860px);
  opacity: 0.9;
  -webkit-mask-image: radial-gradient(62% 62% at 58% 50%, #000 30%, transparent 100%);
  mask-image: radial-gradient(62% 62% at 58% 50%, #000 30%, transparent 100%);
  animation: heroFloat 14s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes heroFloat {
  from { transform: translateY(-50%) scale(1); }
  to { transform: translateY(-53%) scale(1.05); }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(237,234,227,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,234,227,0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000, transparent);
  mask-image: radial-gradient(80% 70% at 50% 40%, #000, transparent);
}
.hero-inner { position: relative; z-index: 2; width: min(100% - 48px, 1560px); margin-inline: auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold-hi);
  background: rgba(201, 161, 95, 0.05);
  margin-bottom: 34px;
}
.hero-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 12px var(--gold); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(44px, 7.6vw, 104px);
  line-height: 1.14;
  letter-spacing: 0.05em;
  margin-bottom: 30px;
}
.hero-title .ht-line { display: block; overflow: hidden; }
.hero-title .ht-line > span { display: inline-block; transform: translateY(110%); transition: transform 1.1s var(--ease); }
.hero.is-ready .hero-title .ht-line > span { transform: none; }
.hero-title .ht-line:nth-child(2) > span { transition-delay: 0.12s; }
.hero-title .accent {
  background: linear-gradient(100deg, var(--gold-hi) 10%, var(--gold) 55%, #8A6B35 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
  margin-bottom: 44px;
  opacity: 0;
  transform: translateY(24px);
  transition: all 1s var(--ease) 0.45s;
}
.hero-sub b { color: var(--text); font-weight: 400; }
.hero.is-ready .hero-sub { opacity: 1; transform: none; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 18px; opacity: 0; transform: translateY(24px); transition: all 1s var(--ease) 0.6s; }
.hero.is-ready .hero-cta { opacity: 1; transform: none; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: clamp(52px, 7vw, 88px);
  padding-top: 34px;
  border-top: 1px solid var(--line-soft);
  opacity: 0;
  transform: translateY(24px);
  transition: all 1s var(--ease) 0.8s;
}
.hero.is-ready .hero-stats { opacity: 1; transform: none; }
.hstat-num {
  font-family: var(--display);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 500;
  color: var(--gold-hi);
  line-height: 1.1;
}
.hstat-num sup { font-size: 0.5em; color: var(--gold); margin-left: 2px; }
.hstat-label { font-size: 13px; letter-spacing: 0.14em; color: var(--muted); margin-top: 6px; }

.hero-side {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--display);
  font-size: 11.5px;
  letter-spacing: 0.5em;
  color: var(--muted-2);
  z-index: 2;
}
.hero-scroll {
  position: absolute;
  right: 34px; bottom: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--muted-2);
  writing-mode: vertical-rl;
  z-index: 2;
}
.hero-scroll i { width: 1px; height: 64px; background: linear-gradient(to bottom, var(--gold), transparent); position: relative; overflow: hidden; }
.hero-scroll i::after { content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--gold-hi); animation: scrollDown 2.2s var(--ease-io) infinite; }
@keyframes scrollDown { to { top: 100%; } }

/* ---------- Marquee 客户 ---------- */
.marquee-band { border-block: 1px solid var(--line-soft); padding: 26px 0; overflow: hidden; background: var(--bg-soft); }
.marquee { display: flex; gap: 0; width: max-content; animation: marquee 36s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.marquee span {
  display: inline-flex; align-items: center; gap: 44px;
  padding: 0 44px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.14em;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.3s;
}
.marquee span:hover { color: var(--gold-hi); }
.marquee span::after { content: ""; width: 5px; height: 5px; background: var(--gold); border-radius: 50%; opacity: 0.7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- About (首页) ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.about-statement {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin-bottom: 30px;
}
.about-statement em { font-style: normal; color: var(--gold); position: relative; white-space: nowrap; }
.about-text p { color: var(--muted); margin-bottom: 18px; font-size: 15.5px; }
.about-text p b { color: var(--text); font-weight: 400; }

.facts-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(201,161,95,0.05), rgba(201,161,95,0) 45%), var(--surface);
  padding: clamp(26px, 3.4vw, 44px);
  position: relative;
  overflow: hidden;
}
.facts-card::before {
  content: "LW";
  position: absolute;
  right: -18px; bottom: -38px;
  font-family: var(--display);
  font-size: 150px;
  font-weight: 700;
  color: rgba(201, 161, 95, 0.05);
  line-height: 1;
}
.facts-card h3 { font-family: var(--serif); font-weight: 700; font-size: 21px; letter-spacing: 0.1em; margin-bottom: 22px; display: flex; align-items: center; gap: 12px; }
.facts-card h3::before { content: ""; width: 22px; height: 1px; background: var(--gold); }
.facts-row { display: flex; justify-content: space-between; gap: 18px; padding: 11px 0; border-bottom: 1px dashed var(--line-soft); font-size: 14px; }
.facts-row:last-child { border-bottom: 0; }
.facts-row dt { color: var(--muted-2); letter-spacing: 0.06em; flex: none; }
.facts-row dd { color: var(--text); text-align: right; font-weight: 400; word-break: break-all; }

.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: clamp(44px, 6vw, 72px); }
.mvv-card {
  border: 1px solid var(--line-soft);
  background: var(--surface);
  padding: 34px 30px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.mvv-card::after {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.mvv-card:hover { border-color: var(--line); transform: translateY(-6px); }
.mvv-card:hover::after { transform: scaleX(1); }
.mvv-icon { width: 46px; height: 46px; color: var(--gold); margin-bottom: 20px; }
.mvv-card h4 { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 0.1em; margin-bottom: 12px; }
.mvv-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- Services List (首页悬浮预览) ---------- */
.svc-list { border-top: 1px solid var(--line-soft); }
.svc-row {
  display: grid;
  grid-template-columns: 90px 1.1fr 1.4fr auto;
  align-items: center;
  gap: 28px;
  padding: 34px 12px;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  transition: padding 0.5s var(--ease), background-color 0.5s var(--ease);
}
.svc-row::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(201,161,95,0.07), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
}
.svc-row:hover { padding-left: 26px; }
.svc-row:hover::before { opacity: 1; }
.svc-num { font-family: var(--display); font-size: 15px; color: var(--gold); letter-spacing: 0.2em; }
.svc-name { font-family: var(--serif); font-weight: 700; font-size: clamp(20px, 2.2vw, 27px); letter-spacing: 0.06em; transition: color 0.4s; }
.svc-row:hover .svc-name { color: var(--gold-hi); }
.svc-desc { color: var(--muted); font-size: 14.5px; }
.svc-arrow {
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--gold);
  font-size: 18px;
  transition: all 0.45s var(--ease);
}
.svc-row:hover .svc-arrow { background: var(--gold); color: #0A0A0E; border-color: var(--gold); transform: rotate(-45deg); }

.svc-preview {
  position: fixed;
  top: 0; left: 0;
  width: 340px;
  height: 250px;
  pointer-events: none;
  z-index: 900;
  opacity: 0;
  transform: scale(0.9) translate(-50%, -50%);
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.svc-preview.is-show { opacity: 1; }
.svc-preview img { width: 100%; height: 100%; object-fit: cover; }
@media (hover: none), (max-width: 900px) { .svc-preview { display: none; } }

/* ---------- Cases Grid ---------- */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  position: relative;
  border: 1px solid var(--line-soft);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.case-card:hover { border-color: var(--line); transform: translateY(-6px); }
.case-thumb { position: relative; aspect-ratio: 4 / 3.4; overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease), filter 0.6s; }
.case-card:hover .case-thumb img { transform: scale(1.07); }
.case-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,14,0.55), transparent 45%); }
.case-cat {
  position: absolute; top: 16px; left: 16px;
  z-index: 2;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-hi);
  background: rgba(10,10,14,0.72);
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.case-body { padding: 24px 26px 28px; }
.case-body h3 { font-family: var(--serif); font-weight: 700; font-size: 20px; letter-spacing: 0.05em; line-height: 1.5; transition: color 0.4s; }
.case-card:hover .case-body h3 { color: var(--gold-hi); }
.case-body p { color: var(--muted); font-size: 14px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-more { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-size: 13px; letter-spacing: 0.16em; color: var(--gold); }
.case-more i { transition: transform 0.4s var(--ease); font-style: normal; }
.case-card:hover .case-more i { transform: translateX(6px); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.filter-btn {
  padding: 10px 24px;
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  font-size: 13.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: all 0.4s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--line); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: #0A0A0E; }
.case-card.is-hidden { display: none; }

/* ---------- Advantages ---------- */
.adv-list { border-top: 1px solid var(--line-soft); }
.adv-row {
  display: grid;
  grid-template-columns: 110px 1fr 1.5fr;
  gap: 30px;
  align-items: baseline;
  padding: 40px 12px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.5s;
}
.adv-row:hover { background: rgba(201,161,95,0.03); }
.adv-num { font-family: var(--display); font-size: 44px; font-weight: 400; color: rgba(201,161,95,0.35); line-height: 1; transition: color 0.4s; }
.adv-row:hover .adv-num { color: var(--gold); }
.adv-row h3 { font-family: var(--serif); font-weight: 700; font-size: 21px; letter-spacing: 0.08em; }
.adv-row p { color: var(--muted); font-size: 14.5px; }

/* ---------- Process ---------- */
.process-band { background: var(--bg-soft); border-block: 1px solid var(--line-soft); }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; position: relative; }
.process-grid::before {
  content: "";
  position: absolute; top: 27px; left: 4%; right: 4%;
  height: 1px;
  background: var(--line);
}
.proc-step { position: relative; text-align: center; padding-top: 0; }
.proc-dot {
  width: 54px; height: 54px;
  margin: 0 auto 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg);
  display: grid; place-items: center;
  font-family: var(--display);
  font-size: 15px;
  color: var(--gold);
  position: relative;
  z-index: 1;
  transition: all 0.5s var(--ease);
}
.proc-step:hover .proc-dot { background: var(--gold); color: #0A0A0E; box-shadow: 0 0 40px rgba(201,161,95,0.35); }
.proc-step h4 { font-family: var(--serif); font-weight: 700; font-size: 17.5px; letter-spacing: 0.1em; margin-bottom: 10px; }
.proc-step p { color: var(--muted); font-size: 13.5px; padding: 0 6px; }

/* ---------- Testimonials ---------- */
.quotes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote-card {
  border: 1px solid var(--line-soft);
  background: var(--surface);
  padding: 38px 32px;
  position: relative;
  transition: border-color 0.5s, transform 0.5s var(--ease);
}
.quote-card:hover { border-color: var(--line); transform: translateY(-6px); }
.quote-mark { font-family: var(--display); font-size: 74px; line-height: 0.6; color: rgba(201,161,95,0.4); margin-bottom: 22px; }
.quote-card p { font-family: var(--serif); font-size: 15.5px; line-height: 2; color: var(--text); margin-bottom: 26px; }
.quote-author { display: flex; align-items: center; gap: 14px; padding-top: 20px; border-top: 1px solid var(--line-soft); }
.quote-ava {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--gold);
  background: rgba(201,161,95,0.07);
  flex: none;
}
.quote-author b { display: block; font-weight: 500; font-size: 14.5px; }
.quote-author span { font-size: 12.5px; color: var(--muted-2); }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  display: block;
  border: 1px solid var(--line-soft);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.5s, transform 0.5s var(--ease);
}
.news-card:hover { border-color: var(--line); transform: translateY(-6px); }
.news-cover {
  aspect-ratio: 16 / 9.4;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 20% 10%, rgba(201,161,95,0.22), transparent 55%),
    linear-gradient(150deg, #16161d, #0b0b10 70%);
  display: grid;
  place-items: center;
}
.news-cover .nc-cat { position: absolute; top: 14px; left: 14px; font-size: 12px; letter-spacing: 0.16em; color: var(--gold-hi); border: 1px solid var(--line); padding: 4px 12px; background: rgba(10,10,14,0.6); }
.news-cover .nc-date { font-family: var(--display); text-align: center; }
.news-cover .nc-date b { display: block; font-size: 44px; font-weight: 500; color: var(--gold-hi); line-height: 1; }
.news-cover .nc-date span { font-size: 12px; letter-spacing: 0.3em; color: var(--muted); }
.news-body { padding: 24px 26px 28px; }
.news-body h3 { font-family: var(--serif); font-weight: 700; font-size: 18.5px; line-height: 1.62; letter-spacing: 0.03em; transition: color 0.4s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 60px; }
.news-card:hover .news-body h3 { color: var(--gold-hi); }
.news-body p { color: var(--muted); font-size: 13.5px; margin-top: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .news-meta { display: flex; justify-content: space-between; margin-top: 18px; font-size: 12.5px; color: var(--muted-2); letter-spacing: 0.08em; }

/* ---------- CTA Band ---------- */
.cta-band {
  position: relative;
  padding: clamp(80px, 11vw, 150px) 0;
  text-align: center;
  overflow: hidden;
  background: var(--bg-soft);
  border-block: 1px solid var(--line-soft);
}
.cta-band img {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 1000px);
  opacity: 0.14;
  -webkit-mask-image: radial-gradient(60% 60% at 50% 50%, #000, transparent);
  mask-image: radial-gradient(60% 60% at 50% 50%, #000, transparent);
  pointer-events: none;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-title { font-family: var(--serif); font-weight: 900; font-size: clamp(30px, 4.6vw, 58px); line-height: 1.4; letter-spacing: 0.05em; margin-bottom: 22px; }
.cta-title em { font-style: normal; color: var(--gold); }
.cta-sub { color: var(--muted); margin-bottom: 42px; font-size: 15.5px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; }

/* ---------- Footer ---------- */
.footer { background: #07070B; border-top: 1px solid var(--line-soft); position: relative; overflow: hidden; }
.footer-watermark {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(80px, 17vw, 240px);
  line-height: 0.9;
  text-align: center;
  letter-spacing: 0.08em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 161, 95, 0.13);
  user-select: none;
  padding-top: clamp(48px, 7vw, 80px);
  pointer-events: none;
}
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: clamp(32px, 5vw, 72px); padding: clamp(44px, 6vw, 72px) 0 48px; }
.footer-brand p { color: var(--muted); font-size: 14px; margin: 22px 0 26px; max-width: 340px; }
.footer-col h4 { font-family: var(--serif); font-weight: 700; font-size: 15.5px; letter-spacing: 0.16em; margin-bottom: 24px; color: var(--text); }
.footer-col h4::after { content: ""; display: block; width: 20px; height: 1px; background: var(--gold); margin-top: 12px; }
.footer-col a, .footer-col li { display: block; color: var(--muted); font-size: 14px; padding: 7px 0; transition: color 0.3s, padding-left 0.3s; }
.footer-col a:hover { color: var(--gold-hi); padding-left: 6px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.7; }
.footer-contact li svg { color: var(--gold); flex: none; margin-top: 5px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--muted);
  transition: all 0.4s var(--ease);
}
.footer-social a:hover { border-color: var(--gold); color: var(--gold-hi); transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid var(--line-soft); padding: 24px 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 12.5px; color: var(--muted-2); letter-spacing: 0.04em; }
.footer-bottom .fb-domain { font-family: var(--display); letter-spacing: 0.18em; color: var(--gold); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 48px; height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(10,10,14,0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: grid; place-items: center;
  color: var(--gold);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: all 0.5s var(--ease);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--gold); color: #0A0A0E; }

/* ---------- Page Hero (子页面) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + clamp(56px, 9vw, 110px)) 0 clamp(56px, 8vw, 96px);
  background:
    radial-gradient(800px 420px at 82% 20%, rgba(201,161,95,0.08), transparent 62%),
    var(--bg);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero .ph-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(237,234,227,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(237,234,227,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(70% 80% at 60% 30%, #000, transparent);
  mask-image: radial-gradient(70% 80% at 60% 30%, #000, transparent);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(34px, 5.4vw, 64px); line-height: 1.28; letter-spacing: 0.05em; }
.page-hero h1 em { font-style: normal; color: var(--gold); }
.page-hero .ph-desc { margin-top: 20px; color: var(--muted); max-width: 620px; font-size: 15.5px; }
.breadcrumb { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted-2); margin-bottom: 26px; letter-spacing: 0.1em; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb i { font-style: normal; color: var(--gold-dim); }

/* ---------- About Page ---------- */
.timeline { position: relative; margin-top: 20px; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 46px 54px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute; left: 4px; top: 8px;
  width: 15px; height: 15px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--bg);
  transition: all 0.4s var(--ease);
}
.tl-item:hover::before { background: var(--gold); box-shadow: 0 0 24px rgba(201,161,95,0.5); }
.tl-year { font-family: var(--display); font-size: 15px; letter-spacing: 0.24em; color: var(--gold); margin-bottom: 8px; }
.tl-item h4 { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 0.06em; margin-bottom: 8px; }
.tl-item p { color: var(--muted); font-size: 14.5px; max-width: 640px; }

.about-media { position: relative; }
.about-media img { width: 100%; border: 1px solid var(--line-soft); }
.about-media .am-frame { position: absolute; inset: 18px; border: 1px solid var(--line); pointer-events: none; }
.about-media .am-tag {
  position: absolute; right: -14px; bottom: 34px;
  background: var(--gold);
  color: #0A0A0E;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 14px 22px;
  font-size: 15px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.org-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.org-card { border: 1px solid var(--line-soft); background: var(--surface); padding: 30px 26px; transition: all 0.5s var(--ease); }
.org-card:hover { border-color: var(--line); transform: translateY(-5px); }
.org-card .oi { color: var(--gold); margin-bottom: 18px; }
.org-card h4 { font-family: var(--serif); font-weight: 700; font-size: 17px; letter-spacing: 0.08em; margin-bottom: 10px; }
.org-card p { color: var(--muted); font-size: 13.5px; }

/* ---------- Services Page ---------- */
.svc-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 88px); align-items: center; padding: clamp(40px, 6vw, 72px) 0; border-bottom: 1px solid var(--line-soft); }
.svc-block:last-child { border-bottom: 0; }
.svc-block:nth-child(even) .sb-visual { order: 2; }
.sb-visual { position: relative; }
.sb-visual .sb-num {
  position: absolute; top: -34px; left: -8px;
  font-family: var(--display);
  font-size: clamp(90px, 11vw, 150px);
  font-weight: 500;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,161,95,0.28);
  z-index: 0;
  pointer-events: none;
}
.sb-visual .sb-img-wrap { position: relative; z-index: 1; border: 1px solid var(--line-soft); overflow: hidden; aspect-ratio: 4 / 3.2; }
.sb-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.svc-block:hover .sb-visual img { transform: scale(1.05); }
.sb-content h3 { font-family: var(--serif); font-weight: 900; font-size: clamp(23px, 2.6vw, 31px); letter-spacing: 0.06em; margin-bottom: 8px; }
.sb-content .sb-en { font-family: var(--display); font-size: 12.5px; letter-spacing: 0.32em; color: var(--gold); text-transform: uppercase; margin-bottom: 20px; display: block; }
.sb-content > p { color: var(--muted); font-size: 15px; margin-bottom: 26px; }
.sb-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 26px; margin-bottom: 30px; }
.sb-feats li { display: flex; gap: 10px; align-items: center; font-size: 14.5px; color: var(--text); }
.sb-feats li::before { content: ""; width: 5px; height: 5px; background: var(--gold); flex: none; transform: rotate(45deg); }

/* FAQ */
.faq-list { max-width: 860px; margin-inline: auto; }
.faq-item { border: 1px solid var(--line-soft); margin-bottom: 14px; background: var(--surface); transition: border-color 0.4s; }
.faq-item[open] { border-color: var(--line); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: 0.05em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--display); font-size: 24px; color: var(--gold); transition: transform 0.4s var(--ease); flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 28px 26px; color: var(--muted); font-size: 14.5px; }

/* ---------- Case Detail ---------- */
.case-hero { padding: calc(var(--nav-h) + clamp(48px, 7vw, 96px)) 0 clamp(40px, 5vw, 64px); background: radial-gradient(900px 480px at 70% 15%, rgba(201,161,95,0.08), transparent 60%), var(--bg); }
.case-hero .breadcrumb { margin-bottom: 22px; }
.case-hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(30px, 4.6vw, 56px); line-height: 1.32; letter-spacing: 0.04em; max-width: 900px; }
.case-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: clamp(34px, 5vw, 54px); padding-top: 30px; border-top: 1px solid var(--line-soft); }
.case-meta dt { font-size: 12px; letter-spacing: 0.2em; color: var(--muted-2); margin-bottom: 8px; text-transform: uppercase; }
.case-meta dd { font-size: 15px; color: var(--text); }
.case-cover { width: 100%; aspect-ratio: 16 / 8.6; object-fit: cover; border: 1px solid var(--line-soft); }
.case-story { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 6vw, 80px); align-items: start; }
.case-story h2 { font-family: var(--serif); font-weight: 900; font-size: clamp(24px, 2.8vw, 34px); line-height: 1.5; letter-spacing: 0.04em; }
.case-story .cs-block { margin-bottom: 34px; }
.case-story h3 { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 0.1em; color: var(--gold); margin-bottom: 14px; display: flex; align-items: center; gap: 12px; }
.case-story h3::before { content: ""; width: 18px; height: 1px; background: var(--gold); }
.case-story p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.case-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 22px; }
.case-gallery img { width: 100%; aspect-ratio: 4 / 3.1; object-fit: cover; border: 1px solid var(--line-soft); }
.case-gallery img:first-child { grid-column: 1 / -1; aspect-ratio: 16 / 7.4; }
.case-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.result-card { border: 1px solid var(--line-soft); background: var(--surface); padding: 30px 28px; text-align: center; }
.result-card .rn { font-family: var(--display); font-size: 40px; color: var(--gold-hi); line-height: 1.1; }
.result-card .rn sub { font-size: 0.42em; color: var(--gold); bottom: 0; }
.result-card p { font-size: 13.5px; color: var(--muted); margin-top: 10px; letter-spacing: 0.06em; }
.case-nav { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line-soft); padding-top: 34px; margin-top: 20px; }
.case-nav a { display: flex; flex-direction: column; gap: 6px; max-width: 46%; }
.case-nav a:last-child { text-align: right; }
.case-nav small { font-size: 12px; letter-spacing: 0.2em; color: var(--muted-2); }
.case-nav b { font-family: var(--serif); font-weight: 700; font-size: 18px; letter-spacing: 0.04em; transition: color 0.3s; }
.case-nav a:hover b { color: var(--gold-hi); }

/* ---------- News & Article ---------- */
.news-featured { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: center; border: 1px solid var(--line-soft); background: var(--surface); margin-bottom: 46px; }
.news-featured .nf-cover { aspect-ratio: auto; height: 100%; min-height: 300px; }
.news-featured .nf-body { padding: clamp(28px, 4vw, 52px); }
.news-featured .nf-cat { font-size: 12.5px; letter-spacing: 0.18em; color: var(--gold); margin-bottom: 16px; display: block; }
.news-featured h2 { font-family: var(--serif); font-weight: 900; font-size: clamp(22px, 2.6vw, 30px); line-height: 1.55; letter-spacing: 0.03em; transition: color 0.3s; }
.news-featured:hover h2 { color: var(--gold-hi); }
.news-featured p { color: var(--muted); font-size: 14.5px; margin: 18px 0 24px; }
.news-featured .nf-meta { font-size: 13px; color: var(--muted-2); letter-spacing: 0.1em; display: flex; gap: 18px; }

.news-list { display: flex; flex-direction: column; }
.news-row {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 30px 8px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.4s, padding 0.4s var(--ease);
}
.news-row:hover { background: rgba(201,161,95,0.03); padding-left: 20px; }
.news-row .nr-date { font-family: var(--display); color: var(--gold); font-size: 14px; letter-spacing: 0.16em; }
.news-row .nr-date b { display: block; font-size: 30px; font-weight: 500; color: var(--text); line-height: 1.2; }
.news-row h3 { font-family: var(--serif); font-weight: 700; font-size: 19px; letter-spacing: 0.04em; line-height: 1.6; transition: color 0.3s; }
.news-row:hover h3 { color: var(--gold-hi); }
.news-row p { color: var(--muted); font-size: 13.5px; margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-row .nr-cat { font-size: 12px; letter-spacing: 0.14em; color: var(--gold-hi); border: 1px solid var(--line); padding: 4px 12px; white-space: nowrap; }

.article-hero { padding: calc(var(--nav-h) + clamp(48px, 7vw, 96px)) 0 0; background: radial-gradient(900px 460px at 65% 12%, rgba(201,161,95,0.07), transparent 60%), var(--bg); }
.article-hero .container { max-width: 860px; }
.article-hero h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(26px, 3.6vw, 42px); line-height: 1.5; letter-spacing: 0.03em; }
.article-meta { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin: 26px 0 40px; padding-bottom: 26px; border-bottom: 1px solid var(--line-soft); font-size: 13.5px; color: var(--muted); }
.article-meta .am-cat { color: var(--gold); border: 1px solid var(--line); padding: 4px 14px; letter-spacing: 0.12em; }
.article-body { max-width: 760px; margin-inline: auto; padding-bottom: clamp(48px, 7vw, 80px); }
.article-body p { color: #C9C6BE; font-size: 16px; line-height: 2.15; margin-bottom: 26px; letter-spacing: 0.02em; }
.article-body p:first-of-type::first-letter { font-family: var(--serif); font-size: 3em; float: left; line-height: 1; padding: 4px 14px 0 0; color: var(--gold); font-weight: 700; }
.article-body h2 { font-family: var(--serif); font-weight: 700; font-size: 23px; letter-spacing: 0.05em; margin: 44px 0 20px; display: flex; align-items: center; gap: 14px; }
.article-body h2::before { content: ""; width: 20px; height: 1px; background: var(--gold); flex: none; }
.article-body blockquote { border-left: 2px solid var(--gold); padding: 6px 0 6px 26px; margin: 34px 0; font-family: var(--serif); font-size: 17px; line-height: 2; color: var(--text); }
.article-body figure { margin: 34px 0; }
.article-body figure img { width: 100%; border: 1px solid var(--line-soft); }
.article-body figcaption { text-align: center; font-size: 12.5px; color: var(--muted-2); margin-top: 12px; letter-spacing: 0.08em; }
.article-foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--line-soft); padding-top: 30px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cc-card { border: 1px solid var(--line-soft); background: var(--surface); padding: 30px 26px; transition: all 0.5s var(--ease); }
.cc-card:hover { border-color: var(--line); transform: translateY(-4px); }
.cc-card .ci { color: var(--gold); margin-bottom: 16px; }
.cc-card h4 { font-family: var(--serif); font-weight: 700; font-size: 16px; letter-spacing: 0.1em; margin-bottom: 10px; }
.cc-card p, .cc-card a { color: var(--muted); font-size: 14px; line-height: 1.9; display: block; }
.cc-card a:hover { color: var(--gold-hi); }
.cc-card .cc-strong { font-family: var(--display); font-size: 20px; color: var(--text); letter-spacing: 0.05em; }

.contact-form { border: 1px solid var(--line); background: linear-gradient(165deg, rgba(201,161,95,0.05), transparent 40%), var(--surface); padding: clamp(28px, 4vw, 48px); }
.contact-form h3 { font-family: var(--serif); font-weight: 900; font-size: 25px; letter-spacing: 0.08em; margin-bottom: 8px; }
.contact-form .cf-desc { color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; letter-spacing: 0.14em; color: var(--muted); margin-bottom: 9px; }
.form-group label i { font-style: normal; color: var(--gold); margin-left: 4px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  padding: 13px 16px;
  color: var(--text);
  font-size: 14.5px;
  font-weight: 300;
  transition: border-color 0.35s, background-color 0.35s;
  outline: none;
  appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold-dim); background: rgba(201,161,95,0.045); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted-2); }
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A15F' fill='none' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.form-group select option { background: var(--surface); color: var(--text); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-error { display: none; font-size: 12.5px; color: #D97757; margin-top: 6px; letter-spacing: 0.04em; }
.form-group.has-error input, .form-group.has-error textarea { border-color: rgba(217,119,87,0.6); }
.form-group.has-error .form-error { display: block; }
.form-success { display: none; text-align: center; padding: 40px 10px; }
.form-success.is-show { display: block; }
.form-success .fs-icon { width: 62px; height: 62px; margin: 0 auto 20px; border-radius: 50%; border: 1px solid var(--gold); display: grid; place-items: center; color: var(--gold); }
.form-success h4 { font-family: var(--serif); font-weight: 700; font-size: 21px; letter-spacing: 0.1em; margin-bottom: 10px; }
.form-success p { color: var(--muted); font-size: 14px; }
.form-note { font-size: 12.5px; color: var(--muted-2); margin-top: 16px; text-align: center; }

.map-wrap { margin-top: clamp(40px, 6vw, 64px); border: 1px solid var(--line-soft); background: var(--surface); overflow: hidden; }
.map-wrap .map-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; padding: 22px 28px; border-bottom: 1px solid var(--line-soft); }
.map-wrap .map-head b { font-family: var(--serif); font-size: 17px; letter-spacing: 0.1em; display: flex; align-items: center; gap: 10px; }
.map-wrap .map-head b svg { color: var(--gold); }
.map-canvas { position: relative; aspect-ratio: 21 / 8; background: #0D0D12; overflow: hidden; }
.map-canvas svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.map-pin { position: absolute; left: 46%; top: 44%; transform: translate(-50%, -100%); text-align: center; }
.map-pin .pin-dot { width: 16px; height: 16px; background: var(--gold); border-radius: 50%; margin: 0 auto; box-shadow: 0 0 0 6px rgba(201,161,95,0.2), 0 0 30px rgba(201,161,95,0.7); animation: pulse 2.2s infinite; }
.map-pin .pin-label { margin-top: 10px; background: rgba(10,10,14,0.9); border: 1px solid var(--line); padding: 6px 14px; font-size: 12.5px; letter-spacing: 0.08em; white-space: nowrap; color: var(--gold-hi); }

/* ---------- 404 ---------- */.nf-page { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 120px 24px; position: relative; overflow: hidden; }
.nf-page .nf-code { font-family: var(--display); font-size: clamp(110px, 22vw, 260px); font-weight: 500; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--gold-dim); }
.nf-page h1 { font-family: var(--serif); font-weight: 900; font-size: clamp(24px, 3.4vw, 36px); letter-spacing: 0.12em; margin: 26px 0 14px; }
.nf-page p { color: var(--muted); margin-bottom: 36px; }

/* ---------- Reveal Animations ---------- */
[data-reveal] { opacity: 0; transform: translateY(38px); transition: opacity 1s var(--ease), transform 1s var(--ease); will-change: opacity, transform; }
[data-reveal="left"] { transform: translateX(-44px); }
[data-reveal="right"] { transform: translateX(44px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }
[data-reveal-delay="6"] { transition-delay: 0.6s; }

.line-grow { height: 1px; background: var(--line); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); }
.line-grow.is-in { transform: scaleX(1); }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .process-grid::before { display: none; }
}
@media (max-width: 1024px) {
  .nav-menu, .nav-tel { display: none; }
  .nav-burger { display: flex; }
  .about-grid, .svc-block, .case-story, .contact-grid, .news-featured { grid-template-columns: 1fr; }
  .svc-block:nth-child(even) .sb-visual { order: 0; }
  .case-hero .case-cover { margin-top: 8px; }
  .case-meta { grid-template-columns: repeat(2, 1fr); }
  .svc-row { grid-template-columns: 60px 1fr auto; }
  .svc-desc { display: none; }
}
@media (max-width: 768px) {
  :root { --nav-h: 70px; }
  body { font-size: 15px; }
  .hero-bg img { width: 130vw; right: -40%; opacity: 0.5; }
  .hero-side, .hero-scroll { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; }
  .mvv-grid, .cases-grid, .quotes-grid, .news-grid, .contact-cards, .case-results, .org-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .adv-row { grid-template-columns: 1fr; gap: 10px; }
  .adv-num { font-size: 34px; }
  .news-row { grid-template-columns: 1fr; gap: 10px; }
  .news-row .nr-cat { justify-self: start; }
  .case-gallery { grid-template-columns: 1fr; }
  .case-gallery img:first-child { grid-column: auto; aspect-ratio: 16 / 9; }
  .case-nav { flex-direction: column; gap: 22px; }
  .case-nav a, .case-nav a:last-child { text-align: left; max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 40px; }
  .footer-watermark { font-size: 64px; }
  .about-media .am-tag { right: 8px; }
  .sb-feats { grid-template-columns: 1fr; }
  .map-canvas { aspect-ratio: 4 / 3; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-title .ht-line > span, .hero-sub, .hero-cta, .hero-stats { opacity: 1; transform: none; }
}

/* ---------- 补充规则 ---------- */
body.is-loading { overflow: hidden; }

#artRelated { border-top: 1px solid var(--line-soft); }
#artRelated li { border-bottom: 1px solid var(--line-soft); }
#artRelated li a { display: block; padding: 17px 4px; font-size: 15px; color: var(--muted); transition: color 0.3s, padding-left 0.35s var(--ease); }
#artRelated li a:hover { color: var(--gold-hi); padding-left: 12px; }

.hero-badge, .eyebrow { white-space: nowrap; }
@media (max-width: 480px) {
  .hero-badge { white-space: normal; }
  .eyebrow { white-space: normal; }
}