:root {
  --ys-bg: #ffffff;
  --ys-bg-soft: #f5f5f7;
  --ys-gold: #b69052;
  --ys-gold-light: #d8c29b;
  --ys-gold-deep: #80663f;
  --ys-cream: #f7f6f2;
  --ys-paper: #ffffff;
  --ys-line: rgba(0, 0, 0, .08);
  --ys-text: #1d1d1f;
  --ys-muted: #6e6e73;
  --ys-shadow: 0 18px 48px rgba(29, 29, 31, .07);
  --ys-radius: 24px;

  --black: var(--ys-bg);
  --black-2: var(--ys-bg-soft);
  --navy: #1d1d1f;
  --gold: var(--ys-gold);
  --gold-2: var(--ys-gold-light);
  --gold-dark: var(--ys-gold-deep);
  --cream: var(--ys-cream);
  --paper: var(--ys-paper);
  --soft: #f5f5f7;
  --line: var(--ys-line);
  --ink: var(--ys-text);
  --muted: var(--ys-muted);
  --shadow: var(--ys-shadow);
  --radius: var(--ys-radius);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--ys-paper);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4, 5, 6, .94);
  border-bottom: 1px solid rgba(212, 163, 90, .22);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 178px; color: var(--gold-2); }
.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 10px;
  background: #050506;
}
.brand-mark {
  font-family: Georgia, serif;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -4px;
  color: var(--gold-2);
}
.brand-text { display: grid; gap: 1px; line-height: 1.1; }
.brand-text strong { font-size: 18px; letter-spacing: .08em; color: var(--gold-2); }
.brand-text small { font-size: 9px; letter-spacing: .24em; color: #c7a36b; }
.main-nav { flex: 1; display: flex; justify-content: center; gap: 30px; }
.main-nav a { color: #f8f3ea; font-weight: 650; font-size: 15px; padding: 25px 0 22px; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--gold-2); border-bottom-color: var(--gold); }
.header-action { display: flex; align-items: center; gap: 14px; }
.phone { color: var(--gold-2); font-weight: 800; white-space: nowrap; }
.nav-toggle, .nav-menu { display: none; }

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 6px;
  padding: 0 22px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(0,0,0,.15); }
.btn-gold { background: linear-gradient(135deg, #f6d18b, #d89d45); color: #1a1209; }
.btn-dark { background: var(--black-2); color: #fff; border-color: rgba(212,163,90,.45); }
.btn-line, .btn-line-light { border-color: rgba(212,163,90,.45); color: var(--gold-2); background: transparent; }
.btn-line { color: #1a1209; background: #fff; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background: #050505;
}
.home-hero::after {
  content: "";
  display: none;
}
.home-hero-bg {
  display: none;
}
.home-hero-stage {
  max-width: 1680px;
  padding: 0;
}
.home-hero-picture {
  display: block;
  width: 100%;
}
.home-hero-picture img {
  width: 100%;
  height: auto;
  display: block;
}
.home-hero-picture .home-hero-img--mobile {
  display: none;
}
.home-action-bar {
  background: linear-gradient(180deg, #0a0908, #14100b);
  border-top: 1px solid rgba(214,166,71,.28);
  border-bottom: 1px solid rgba(214,166,71,.2);
  color: #f9ecd2;
}
.home-action-inner {
  min-height: 108px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.home-action-inner strong {
  display: block;
  font-size: 22px;
  line-height: 1.35;
}
.home-action-inner span {
  color: rgba(249,236,210,.74);
  font-size: 15px;
}
.home-hero-grid {
  position: relative;
  z-index: 1;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, .82fr);
  gap: 62px;
  align-items: center;
  padding-top: 68px;
  padding-bottom: 74px;
}
.home-copy { max-width: 660px; }
.eyebrow { color: var(--gold-2); font-weight: 800; letter-spacing: .06em; margin: 0 0 14px; }
.eyebrow.dark { color: var(--gold-dark); }
.home-copy h1 { font-size: clamp(46px, 4.6vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: 0; max-width: 12ch; }
.home-copy h1::first-letter { color: inherit; }
.hero-sub { max-width: 640px; font-size: 20px; color: rgba(255,255,255,.88); margin: 0; }
.hero-tags, .hero-facts, .case-tags, .case-hero-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-tags { margin: 28px 0 28px; }
.hero-tags span, .hero-facts span, .case-tags span, .case-hero-stats span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(232,201,145,.26);
  background: rgba(255,255,255,.06);
  color: #f6e8cf;
  backdrop-filter: blur(6px);
  text-align: center;
  font-weight: 750;
  font-size: 13px;
}
.hero-buttons, .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; color: #d8ccb8; font-size: 14px; }
.hero-proof span::before { content: "◎"; color: var(--gold-2); margin-right: 6px; }
.hero-visual {
  position: relative;
  display: grid;
  align-self: center;
  padding: 0 0 34px 18px;
}
.hero-image-card, .hero-consult-card {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(232,201,145,.26);
  box-shadow: 0 24px 70px rgba(0,0,0,.24);
}
.hero-image-card {
  position: relative;
  width: calc(100% - 34px);
  justify-self: end;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.08));
  box-shadow: 0 30px 90px rgba(0,0,0,.42), 0 0 0 8px rgba(255,255,255,.025);
}
.hero-image-card img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; display: block; filter: saturate(.88) contrast(1.02); }
.hero-image-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, rgba(3,3,4,.75), rgba(18,17,13,.45));
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(10px);
}
.hero-image-caption strong { display: block; font-size: 17px; margin-bottom: 4px; color: #f7e0b1; }
.hero-image-caption span { color: rgba(255,255,255,.86); font-size: 14px; line-height: 1.6; }
.hero-consult-card {
  position: relative;
  z-index: 2;
  width: calc(100% - 16px);
  margin-top: -52px;
  margin-right: auto;
  background: linear-gradient(180deg, rgba(250,244,233,.98), rgba(242,230,211,.96));
  color: var(--ink);
  padding: 20px;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.hero-consult-head h2 {
  margin: 2px 0 8px;
  font-size: 28px;
  line-height: 1.2;
  color: #20170d;
}
.hero-consult-head p { margin: 0; color: #64584b; }
.hero-consult-card .qr-card {
  margin-top: 10px;
  padding: 14px;
  grid-template-columns: 116px 1fr;
  background: rgba(255,255,255,.68);
  box-shadow: none;
}
.hero-consult-card .qr-card img { width: 116px; height: 116px; }
.hero-consult-card .qr-card strong { font-size: 18px; }
.hero-consult-card .qr-card p { font-size: 14px; }
.hero-consult-card .qr-card small { display: block; }
.hero-consult-card .eyebrow { color: var(--gold-dark); }
.yugong-card {
  align-self: center;
  background: linear-gradient(145deg, rgba(10,16,24,.92), rgba(8,10,13,.82));
  border: 1px solid rgba(212,163,90,.35);
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 28px 80px rgba(0,0,0,.35);
}
.yugong-card img { aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; opacity: .9; }
.yugong-card h2 { color: var(--gold-2); margin: 18px 0 6px; font-size: 34px; }
.yugong-card p { color: #e6dccb; margin: 0; }

.section { padding: 78px 0; background: #fff; }
.section.alt { background: linear-gradient(180deg, #fbf8f2, #fff); }
.center-title { text-align: center; max-width: 840px; }
.center-title h2, .section h2 { margin: 0 0 12px; font-size: clamp(30px, 3.2vw, 44px); line-height: 1.18; }
.center-title p, .section-head p, .split p { color: var(--muted); margin: 0; font-size: 18px; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 28px; }
.section-head a { color: var(--gold-dark); font-weight: 800; }

.feature-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 32px; }
.feature-card {
  min-height: 168px;
  padding: 24px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 32px rgba(0,0,0,.04);
  text-align: center;
}
.feature-card span {
  width: 42px; height: 42px; display: inline-grid; place-items: center;
  border-radius: 50%; background: #f4e5cd; color: var(--gold-dark); font-weight: 850;
}
.feature-card h3 { margin: 16px 0 8px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

.case-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: linear-gradient(180deg, #fff, #fffdf7);
  border: 1px solid rgba(232,220,200,.95);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(22, 16, 7, .06);
}
.case-image { position: relative; background: #111; }
.case-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.play {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0,0,0,.72);
  color: #fff;
  font-size: 13px;
  border: 1px solid rgba(255,255,255,.25);
}
.case-body { padding: 22px 22px 24px; }
.case-topline { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.case-topline span { color: var(--gold-dark); font-weight: 850; font-size: 13px; }
.case-topline em {
  font-style: normal;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fbf1de;
  color: #7a5220;
}
.case-body h3 { font-size: 18px; margin: 0 0 12px; line-height: 1.42; }
.case-body p { color: var(--muted); font-size: 14px; margin: 6px 0; line-height: 1.62; }
.case-tags { margin: 0 0 12px; }
.case-tags span { color: #8a6125; background: #fbf0dd; border-color: #efd4a7; }
.card-actions { display: flex; gap: 12px; margin-top: 16px; font-size: 14px; font-weight: 850; color: var(--gold-dark); }
.card-actions a { padding: 10px 0 0; border-bottom: 1px solid rgba(184,132,52,.35); }

.split { display: grid; grid-template-columns: 1fr .8fr; gap: 42px; align-items: center; }
.qr-card {
  display: grid;
  grid-template-columns: 122px 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, #fffaf0, #f4e8d6);
  color: var(--ink);
  border: 1px solid rgba(184,132,52,.22);
  box-shadow: 0 16px 34px rgba(50,35,16,.08);
}
.qr-card img {
  width: 122px;
  height: 122px;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,.08);
}
.qr-card strong { display: block; font-size: 20px; color: #1a1209; margin-bottom: 6px; }
.qr-card p { margin: 0 0 8px; color: #5c5144; }
.qr-card small { color: var(--gold-dark); }
.contact-card .qr-card,
.side-panel .qr-card {
  margin-top: 18px;
}
.side-panel .qr-card {
  grid-template-columns: 104px 1fr;
  gap: 12px;
  align-items: start;
}
.side-panel .qr-card img {
  width: 104px;
  height: 104px;
}
.side-panel .qr-card strong { font-size: 18px; }
.side-panel .qr-card p { font-size: 13px; line-height: 1.55; }
.side-panel .qr-card small { display: block; line-height: 1.45; }
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.solution-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 42px rgba(0,0,0,.07);
}
.solution-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.solution-card div { padding: 22px; }
.solution-card h3 { margin: 0 0 6px; font-size: 22px; }
.solution-card p { color: var(--muted); margin: 0 0 12px; }
.solution-card ul { padding-left: 20px; color: var(--muted); }
.solution-card a { color: var(--gold-dark); font-weight: 850; }

.price-teaser, .price-reference, .quote-rule {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}
.price-box { display: grid; gap: 10px; padding: 26px; background: #fbf4e8; border-radius: var(--radius); border: 1px solid var(--line); }
.price-box strong, .price-cards strong { color: var(--gold-dark); font-size: 30px; }
.price-box span { font-weight: 750; }
.price-box small, .price-reference small { color: var(--muted); }

.page-hero {
  position: relative;
  min-height: 380px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #050505 0%, #101216 52%, #100d09 100%);
}
.page-hero .hero-media {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 79% 34%, rgba(240,210,145,.16), transparent 20%),
    linear-gradient(90deg, rgba(3,3,3,.96) 0%, rgba(4,4,4,.82) 42%, rgba(5,4,3,.34) 76%, rgba(5,4,3,.24) 100%),
    linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.64)),
    url("images/hero/page-hero-premium.webp") 68% center / cover no-repeat;
  opacity: .9;
  filter: saturate(.78) contrast(1.05);
}
.page-hero .hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,210,138,.7), transparent);
}
.page-hero .hero-content { position: relative; z-index: 1; width: 100%; }
.page-hero h1 { font-size: clamp(40px, 4.2vw, 54px); line-height: 1.12; margin: 0 0 16px; max-width: 13ch; }
.page-hero p { max-width: 760px; font-size: 18px; color: rgba(255,255,255,.9); margin: 0; }
.hero-kicker {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(232,201,145,.22);
  color: #f5dfb1;
  margin-bottom: 14px !important;
}
.hero-facts { margin-top: 24px; }
.hero-facts span { background: rgba(255,255,255,.06); }
.page-hero h1 em, .home-copy h1 em { color: var(--gold-2); font-style: normal; }

.filter-row, .category-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-row span, .category-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 22px;
  background: #fff;
  font-weight: 750;
}
.filter-row span:first-child, .category-row span:first-child { background: var(--gold); color: #17100a; }
.cases-layout, .knowledge-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.cases-layout main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.cases-layout .case-card { display: grid; grid-template-columns: 1fr; }
.cases-layout .case-image img { height: 100%; aspect-ratio: auto; }
.side-panel {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 18px;
  background: linear-gradient(180deg, #fff, #fffbf2);
  border: 1px solid rgba(232,220,200,.95);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(22,16,7,.06);
}
.side-panel h2 { font-size: 20px; margin: 0; }
.side-panel p, .side-panel li { color: var(--muted); }
.range-map {
  min-height: 190px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
  border: 1px solid #ead2ad;
  background: radial-gradient(circle, #e0ab5b 0 18%, #fff4df 18% 22%, transparent 23%);
  color: var(--gold-dark);
  font-weight: 900;
}
.range-map span { display: block; font-size: 13px; color: var(--muted); }

.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 30px; }
.process div, .price-factors div {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 36px rgba(0,0,0,.05);
}
.process span, .price-factors span {
  width: 46px; height: 46px; display: grid; place-items: center;
  background: var(--navy); color: var(--gold-2); border-radius: 50%; font-weight: 900;
}
.process h3, .price-factors h3 { margin: 16px 0 8px; }
.process p, .price-factors p { margin: 0; color: var(--muted); }

.price-factors { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 34px; }
.price-factors div span { border-radius: 6px; background: linear-gradient(135deg, #d69b47, #f0c982); color: #261609; }
.price-reference { margin-top: 30px; }
.price-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 18px 0; }
.price-cards div { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fffaf2; text-align: center; }
.quote-rule { margin-top: 24px; }

.search-box { display: grid; grid-template-columns: 1fr 120px; margin-bottom: 18px; }
.search-box input, .search-box button {
  height: 56px;
  border: 1px solid var(--line);
  font: inherit;
}
.search-box input { padding: 0 18px; border-radius: 6px 0 0 6px; }
.search-box button { border-radius: 0 6px 6px 0; background: var(--gold); font-weight: 900; cursor: pointer; }
.article-list { display: grid; gap: 16px; }
.article-list.compact { grid-template-columns: repeat(3, 1fr); }
.article-card {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 20px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.article-list.compact .article-card { grid-template-columns: 1fr; }
.article-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 6px; }
.article-card span { color: var(--gold-dark); font-weight: 850; }
.article-card h3 { margin: 4px 0 8px; font-size: 22px; }
.article-card p { color: var(--muted); margin: 0 0 8px; }
.article-card a { color: var(--gold-dark); font-weight: 850; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: center; }
.about-photo { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.check-list li::marker { color: var(--gold-dark); }
.work-record { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 42px; }
.work-record div { border: 1px solid var(--line); background: #fff; border-radius: var(--radius); overflow: hidden; }
.work-record img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.work-record h3, .work-record p { margin-left: 18px; margin-right: 18px; }
.work-record p { color: var(--muted); }
.service-idea { margin-top: 40px; }
.proof-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  border: 1px solid rgba(184,132,52,.35);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #fffaf0, #f5ecdc);
  box-shadow: 0 14px 34px rgba(50,35,16,.08);
}
.proof-card strong { font-size: 28px; color: var(--dark); }
.proof-card p { margin: 12px 0 18px; color: #5e5141; }
.proof-card a { color: #8b5b16; font-weight: 700; }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-card p { color: var(--muted); }
.big-phone { display: block; color: var(--gold-dark); font-size: 34px; font-weight: 900; margin: 10px 0; }

.bottom-cta { background: #fff; padding: 28px 0 0; }
.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 28px 34px;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, #050607, #0b1724);
  border: 1px solid rgba(212,163,90,.38);
}
.cta-panel h2 { margin: 0 0 4px; }
.cta-panel p { margin: 0; color: #d8cbb8; }
.site-footer { background: var(--black); color: #d9c6a8; padding: 34px 0 88px; }
.footer-benefits { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; padding-bottom: 28px; border-bottom: 1px solid rgba(212,163,90,.2); }
.footer-benefits span { color: var(--gold-2); font-weight: 850; }
.footer-main { display: flex; justify-content: space-between; gap: 30px; padding-top: 28px; }
.footer-main p { color: #a99b86; margin: 8px 0 0; }
.footer-main a { color: var(--gold-2); }
.mobile-bar { display: none; }

/* Compatibility for older knowledge and case detail pages kept from V1. */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.top {
  position: sticky;
  top: 0;
  z-index: 45;
  background: rgba(5, 5, 6, .94);
  border-bottom: 1px solid rgba(212,163,90,.24);
}
.top .nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.top .brand {
  color: var(--gold-2);
  font-weight: 900;
  letter-spacing: .08em;
}
.links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}
.links a {
  color: #f4eadb;
  font-size: 14px;
  font-weight: 750;
}
.links a:hover { color: var(--gold-2); }
.pagehead {
  color: #fff;
  background:
    radial-gradient(circle at 78% 34%, rgba(240,210,145,.14), transparent 20%),
    linear-gradient(90deg, rgba(3,3,3,.97) 0%, rgba(4,4,4,.82) 46%, rgba(5,4,3,.34) 100%),
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.58)),
    url("images/hero/page-hero-premium.webp") 68% center / cover no-repeat;
  padding: 82px 0 64px;
  border-bottom: 1px solid rgba(214,166,71,.32);
}
.pagehead h1 { font-size: clamp(36px, 4.6vw, 58px); line-height: 1.12; margin: 0 0 12px; }
.pagehead .lead { color: rgba(255,255,255,.88); max-width: 840px; }
.footer {
  background: var(--black);
  color: #bba989;
  padding: 34px 0 92px;
  font-size: 14px;
}
.footer a { color: var(--gold-2); }

.article {
  max-width: 860px;
  margin: 0 auto;
  padding: 54px 28px 84px;
}
.article h1 { font-size: clamp(32px, 3.6vw, 46px); line-height: 1.14; margin: 0 0 16px; }
.article h2 { font-size: 24px; margin: 42px 0 14px; padding-left: 14px; border-left: 3px solid var(--gold); border-bottom: 0; }
.article p, .article li { color: #302a22; font-size: 17px; line-height: 1.78; }
.article .lead { color: var(--muted); font-size: 19px; }
.box, .risk { border-left: 4px solid var(--gold); background: #fff7ea; padding: 18px 20px; border-radius: 6px; }
.risk { border-left-color: #111; background: #f5f1ea; }
.tag { display: inline-flex; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); margin: 0 6px 8px 0; color: var(--muted); }
.table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.table th, .table td { border: 1px solid var(--line); padding: 14px 16px; text-align: left; }
.table th { background: linear-gradient(180deg, #fbf2e4, #f7e7cc); }
.article-intro {
  margin-bottom: 24px;
  color: var(--muted);
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.faq-card {
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fffaf1, #f9f2e6);
  border: 1px solid #ead6b4;
  box-shadow: 0 14px 30px rgba(28, 18, 8, .05);
}
.faq-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  color: #241a10;
}
.faq-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.74;
}

/* Brand entity and AI-referral conversion page */
.entity-hero {
  color: #fff;
  background: radial-gradient(circle at 78% 18%, rgba(182,144,82,.2), transparent 31%), #080706;
  border-bottom: 1px solid rgba(182,144,82,.24);
}
.entity-hero-grid {
  min-height: 600px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, .7fr);
  gap: 64px;
  align-items: center;
  padding-top: 74px;
  padding-bottom: 74px;
}
.entity-hero h1 { margin: 0 0 20px; font-size: clamp(44px, 5vw, 66px); line-height: 1.08; }
.entity-lead { max-width: 720px; margin: 0 0 30px; font-size: 20px; color: rgba(255,255,255,.86); }
.entity-lead strong { color: #f4d9a7; }
.entity-fact-card { padding: 28px; border: 1px solid rgba(216,194,155,.3); border-radius: 22px; background: rgba(255,255,255,.06); box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.entity-fact-card > span { color: var(--gold-2); font-weight: 800; letter-spacing: .08em; }
.entity-fact-card dl { margin: 18px 0 0; }
.entity-fact-card dl div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.1); }
.entity-fact-card dt { color: rgba(255,255,255,.58); }
.entity-fact-card dd { margin: 0; font-weight: 750; }
.entity-boundary-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 58px; align-items: start; }
.entity-boundary-grid h2 { margin: 0 0 16px; font-size: 36px; line-height: 1.25; }
.boundary-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.boundary-list li { padding: 20px 22px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(29,29,31,.04); }
.boundary-list strong, .boundary-list span { display: block; }
.boundary-list strong { margin-bottom: 5px; color: #241a0e; }
.boundary-list span { color: var(--muted); }
.consult-checklist { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: stretch; }
.consult-checklist ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; counter-reset: consult; }
.consult-checklist li { counter-increment: consult; display: grid; grid-template-columns: 44px 130px 1fr; gap: 12px; align-items: center; padding: 15px 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.consult-checklist li::before { content: counter(consult, decimal-leading-zero); color: var(--gold-dark); font-weight: 900; }
.consult-checklist li span { color: var(--muted); }

@media (max-width: 820px) {
  .entity-hero-grid, .entity-boundary-grid, .consult-checklist { grid-template-columns: 1fr; }
  .entity-hero-grid { min-height: auto; gap: 34px; padding-top: 52px; padding-bottom: 52px; }
  .entity-hero h1 { font-size: 40px; }
  .entity-lead { font-size: 18px; }
  .consult-checklist li { grid-template-columns: 34px 1fr; }
  .consult-checklist li span { grid-column: 2; }
}
.project-gallery {
  display: grid;
  gap: 16px;
  margin: 20px 0 34px;
}
.project-gallery .gallery-hero,
.project-gallery .gallery-figure,
.project-gallery .diagram-figure {
  margin: 0;
  padding: 12px;
  background: linear-gradient(180deg, #fff, #fffaf2);
  border: 1px solid #eddcc0;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(28, 18, 8, .05);
}
.project-gallery .gallery-hero img,
.project-gallery .gallery-figure img,
.project-gallery .diagram-figure img {
  width: 100%;
  border-radius: 12px;
  display: block;
}
.project-gallery .gallery-hero figcaption,
.project-gallery .gallery-figure figcaption,
.project-gallery .diagram-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.gallery-grid figure {
  margin: 0;
  padding: 12px;
  background: linear-gradient(180deg, #fff, #fffaf2);
  border: 1px solid #eddcc0;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(28, 18, 8, .05);
}
.gallery-grid figure img { width: 100%; border-radius: 12px; display: block; }
.gallery-grid figure figcaption { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.diagram-section h2 { margin-top: 26px; }
main.article figure {
  margin: 18px 0 30px;
  padding: 12px;
  background: linear-gradient(180deg, #fff, #fffaf2);
  border: 1px solid #eddcc0;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(28, 18, 8, .05);
}
main.article figure img {
  width: 100%;
  border-radius: 12px;
}
main.article figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}
.case-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 18px 0 34px;
}
.summary-card {
  padding: 18px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #fff8ed);
  border: 1px solid #ecdab9;
  box-shadow: 0 14px 28px rgba(22, 14, 6, .04);
}
.summary-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 850;
}
.summary-card strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}
.case-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: end;
}
.case-hero-card {
  justify-self: end;
  width: 100%;
  max-width: 320px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(232,201,145,.22);
  backdrop-filter: blur(12px);
}
.case-hero-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: 12px;
}
.case-hero-card strong { display: block; color: #f7dfb0; font-size: 18px; margin-bottom: 6px; }
.case-hero-card p { margin: 0; color: rgba(255,255,255,.84); font-size: 14px; line-height: 1.6; }
.case-hero-stats { margin-top: 18px; }
.case-hero-stats span { background: rgba(255,255,255,.06); }
.case-bottom-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: center;
  margin-top: 38px;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(145deg, #fbf4e7, #f2e3cc);
  border: 1px solid #ead7b4;
}
.case-bottom-cta p { margin: 0; color: #55493b; }
.case-mini-note {
  margin-top: 10px;
  color: var(--gold-dark);
  font-weight: 750;
}
.case-bottom-cta .qr-card {
  margin-top: 0;
  background: #fffdf8;
}
.cta-qr {
  width: min(360px, 100%);
  grid-template-columns: 96px 1fr;
  padding: 14px;
  background: #fffdf8;
}
.cta-qr img {
  width: 96px;
  height: 96px;
}
.cta-qr strong { font-size: 18px; }
.cta-qr p { font-size: 14px; line-height: 1.55; }

@media (max-width: 1060px) {
  .main-nav { gap: 16px; }
  .header-action .btn { display: none; }
  .feature-grid, .price-factors { grid-template-columns: repeat(3, 1fr); }
  .case-strip, .solution-grid, .work-record { grid-template-columns: repeat(2, 1fr); }
  .home-hero-grid, .split, .about-grid, .cases-layout, .knowledge-layout, .case-hero-grid, .case-bottom-cta { grid-template-columns: 1fr; }
  .cases-layout main { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .cases-layout .case-card { grid-template-columns: 1fr; }
  .case-summary-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .container { padding: 0 18px; }
  .site-header { position: sticky; }
  .header-inner { min-height: 66px; justify-content: space-between; }
  .brand { min-width: auto; }
  .brand-mark { font-size: 30px; }
  .brand-text strong { font-size: 16px; }
  .header-action { display: none; }
  .nav-menu { display: grid; gap: 5px; width: 42px; height: 42px; place-content: center; border: 1px solid rgba(212,163,90,.45); border-radius: 50%; }
  .nav-menu span { display: block; width: 18px; height: 2px; background: var(--gold-2); }
  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 66px;
    background: rgba(5,5,6,.98);
    padding: 14px 18px 22px;
    border-bottom: 1px solid rgba(212,163,90,.25);
  }
  .main-nav a { display: block; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-toggle:checked ~ .main-nav { display: block; }

  .home-hero-bg { display: none; }
  .home-hero::after { background-size: 72px 72px; opacity: .1; }
  .home-hero-picture .home-hero-img--desktop { display: none; }
  .home-hero-picture .home-hero-img--mobile { display: block; }
  .home-action-inner { min-height: auto; flex-direction: column; align-items: stretch; padding-top: 20px; padding-bottom: 22px; }
  .home-action-inner strong { font-size: 20px; }
  .home-hero-grid { min-height: auto; grid-template-columns: 1fr; padding-top: 38px; padding-bottom: 38px; gap: 28px; }
  .home-copy h1 { font-size: clamp(30px, 8.5vw, 34px); max-width: none; }
  .hero-sub { font-size: 16px; }
  .hero-tags { margin: 20px 0 20px; }
  .hero-buttons .btn { flex: 1 1 100%; }
  .hero-proof { gap: 10px; font-size: 13px; }
  .hero-visual { gap: 0; padding: 0; }
  .hero-image-card, .hero-consult-card { border-radius: 20px; }
  .hero-image-card { width: 100%; }
  .hero-image-card img { aspect-ratio: 4 / 3; }
  .hero-image-caption { left: 14px; right: 14px; bottom: 14px; padding: 14px; }
  .hero-consult-card { width: calc(100% - 20px); margin: 14px auto 0; padding: 16px; }
  .hero-consult-head h2 { font-size: 22px; }
  .hero-consult-card .qr-card { grid-template-columns: 96px 1fr; }
  .hero-consult-card .qr-card img { width: 96px; height: 96px; }
  .yugong-card { padding: 14px; }
  .section { padding: 50px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .feature-grid, .case-strip, .solution-grid, .price-factors, .price-cards, .work-record, .contact-grid, .footer-benefits, .article-list.compact, .case-summary-grid { grid-template-columns: 1fr; }
  .cases-layout main { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .qr-card { grid-template-columns: 1fr; }
  .page-hero { min-height: 300px; }
  .page-hero .hero-media {
    background:
      linear-gradient(90deg, rgba(3,3,3,.92), rgba(3,3,3,.62)),
      linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.68)),
      url("images/hero/page-hero-premium.webp") 66% center / cover no-repeat;
    opacity: .82;
  }
  .page-hero h1 { font-size: 32px; max-width: none; }
  .page-hero p { font-size: 17px; }
  .hero-kicker { font-size: 13px; }
  .case-hero-card { max-width: none; }
  .case-hero-stats { gap: 8px; }
  .case-bottom-cta { padding: 18px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .search-box { grid-template-columns: 1fr; }
  .search-box input, .search-box button { border-radius: 6px; }
  .article-card { grid-template-columns: 1fr; }
  .cta-panel { flex-direction: column; align-items: stretch; padding: 24px; }
  .cta-actions .btn { flex: 1 1 100%; }
  .footer-main { flex-direction: column; }
  .site-footer { padding-bottom: 92px; }
  .mobile-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: #050506;
    border-top: 1px solid rgba(212,163,90,.4);
  }
  .mobile-bar a {
    min-height: 54px;
    display: grid;
    place-items: center;
    color: var(--gold-2);
    font-weight: 850;
    border-right: 1px solid rgba(212,163,90,.2);
  }
  .mobile-bar a:nth-child(2) { background: #128a44; color: #fff; }
  .mobile-bar a:last-child { border-right: 0; background: linear-gradient(135deg, #f6d18b, #d89d45); color: #1a1209; }

  .wrap { padding: 0 18px; }
  .pagehead {
    background:
      linear-gradient(90deg, rgba(3,3,3,.93), rgba(3,3,3,.6)),
      linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.66)),
      url("images/hero/page-hero-premium.webp") 66% center / cover no-repeat;
    padding: 58px 0 46px;
  }
  .top .nav {
    min-height: auto;
    flex-direction: column;
    align-items: flex-start;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .links { justify-content: flex-start; gap: 10px; }
  .links a { font-size: 13px; }
  .article { padding-left: 18px; padding-right: 18px; }
}

/* 2026 visual refresh: warm, bright and intentionally restrained. */
:root {
  color-scheme: light;
}

html {
  background: #fff;
  scroll-padding-top: 88px;
}

body {
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  line-height: 1.68;
}

body,
button,
input {
  font-synthesis: none;
}

a,
button,
input,
label {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid rgba(182, 144, 82, .38);
  outline-offset: 4px;
}

img {
  height: auto;
}

.container,
.wrap {
  width: min(100%, 1280px);
  padding-inline: clamp(20px, 3vw, 40px);
}

.site-header,
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  color: var(--ink);
  background: rgba(255, 255, 255, .84);
  border-bottom: 1px solid rgba(0, 0, 0, .07);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .65);
  -webkit-backdrop-filter: saturate(170%) blur(20px);
  backdrop-filter: saturate(170%) blur(20px);
}

.header-inner {
  min-height: 76px;
  gap: 24px;
}

.brand,
.top .brand {
  min-width: 176px;
  color: var(--ink);
}

.brand-logo {
  width: 38px;
  height: 38px;
  padding: 2px;
  border-radius: 12px;
  background: #1d1d1f;
}

.brand-text strong {
  color: var(--ink);
  letter-spacing: .04em;
}

.brand-text small {
  color: var(--gold-dark);
}

.main-nav {
  gap: clamp(16px, 2vw, 30px);
}

.main-nav a {
  position: relative;
  color: #3b3b3d;
  padding: 27px 0 24px;
  border: 0;
  font-size: 14px;
  font-weight: 600;
  transition: color .18s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: 17px;
  left: 50%;
  height: 2px;
  border-radius: 99px;
  background: var(--gold);
  transition: right .18s ease, left .18s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #000;
  border: 0;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  right: 0;
  left: 0;
}

.phone {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.btn {
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  box-shadow: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(29, 29, 31, .12);
}

.btn-gold {
  color: #fff;
  background: var(--gold);
}

.btn-gold:hover {
  background: #9f7c45;
}

.btn-dark {
  color: #fff;
  background: #1d1d1f;
  border-color: #1d1d1f;
}

.btn-dark:hover {
  background: #000;
}

.btn-line,
.btn-line-light {
  color: var(--ink);
  background: rgba(255, 255, 255, .72);
  border-color: rgba(29, 29, 31, .18);
}

.home-hero {
  min-height: 720px;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 22%, rgba(216, 194, 155, .22), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fbfaf7 100%);
}

.home-hero-grid {
  min-height: 720px;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, .86fr);
  gap: clamp(48px, 7vw, 96px);
  padding-top: clamp(72px, 8vw, 110px);
  padding-bottom: clamp(76px, 9vw, 124px);
}

.home-copy {
  max-width: 720px;
}

.eyebrow {
  color: var(--gold-dark);
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--gold-dark);
}

.home-copy h1 {
  max-width: 11.8ch;
  margin: 0 0 26px;
  color: #1d1d1f;
  font-size: clamp(48px, 5.4vw, 76px);
  font-weight: 650;
  line-height: 1.04;
  letter-spacing: -.045em;
}

.hero-sub {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.65;
}

.hero-tags {
  margin: 30px 0 32px;
}

.hero-tags span,
.hero-facts span,
.case-tags span,
.case-hero-stats span {
  padding: 8px 13px;
  color: #4a4a4f;
  background: rgba(255, 255, 255, .74);
  border-color: rgba(0, 0, 0, .09);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.hero-proof {
  margin-top: 26px;
  gap: 12px 22px;
  color: var(--muted);
}

.hero-proof span::before {
  content: "✓";
  color: var(--gold-dark);
}

.hero-visual {
  padding: 0 18px 28px 0;
}

.hero-image-card {
  width: 100%;
  margin: 0;
  border: 0;
  border-radius: 30px;
  background: #f2f0eb;
  box-shadow: 0 28px 70px rgba(74, 58, 35, .14);
}

.hero-image-card img {
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(.92) brightness(1.04);
  transition: transform .8s ease;
}

.hero-image-card:hover img {
  transform: scale(1.018);
}

.hero-image-caption {
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 18px 20px;
  color: #1d1d1f;
  background: rgba(255, 255, 255, .82);
  border-color: rgba(255, 255, 255, .7);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .08);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.hero-image-caption strong {
  color: #1d1d1f;
  font-size: 16px;
}

.hero-image-caption span {
  color: #626267;
}

.hero-note {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  width: calc(100% - 28px);
  margin: -26px 0 0 28px;
  padding: 18px 20px;
  border: 1px solid rgba(0, 0, 0, .07);
  border-radius: 20px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 42px rgba(29, 29, 31, .09);
}

.hero-note > span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  border-radius: 50%;
  background: var(--gold);
  font-weight: 700;
}

.hero-note p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.hero-note strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 16px;
}

.section {
  padding: clamp(88px, 9vw, 132px) 0;
  background: #fff;
}

.section.alt {
  background: var(--cream);
}

.center-title {
  max-width: 860px;
}

.center-title h2,
.section h2 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 630;
  line-height: 1.1;
  letter-spacing: -.035em;
}

.center-title p,
.section-head p,
.split p {
  color: var(--muted);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.7;
}

.section-head {
  margin-bottom: 42px;
}

.section-head a {
  color: var(--ink);
  font-weight: 650;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  min-height: 280px;
  padding: 36px 32px;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(29, 29, 31, .055);
  text-align: left;
  transition: transform .22s ease, box-shadow .22s ease;
}

.feature-card:hover,
.case-card:hover,
.solution-card:hover,
.article-card:hover,
.process > div:hover,
.work-record > div:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 56px rgba(29, 29, 31, .09);
}

.feature-card span {
  width: 52px;
  height: 52px;
  color: var(--gold-dark);
  background: #f3ede3;
  font-size: 15px;
}

.feature-card h3 {
  margin: 30px 0 12px;
  font-size: 25px;
  line-height: 1.25;
}

.feature-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.case-strip {
  gap: 24px;
}

.case-card {
  border-color: rgba(0, 0, 0, .07);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(29, 29, 31, .055);
  transition: transform .22s ease, box-shadow .22s ease;
}

.case-image {
  overflow: hidden;
  background: #eceae6;
}

.case-image img {
  aspect-ratio: 4 / 3;
  filter: saturate(.92) brightness(1.04);
  transition: transform .7s ease;
}

.case-card:hover .case-image img {
  transform: scale(1.025);
}

.case-body {
  padding: 28px 28px 30px;
}

.case-topline {
  margin-bottom: 16px;
}

.case-topline span {
  color: var(--gold-dark);
}

.case-topline em {
  color: #5d5d62;
  background: #f4f3f0;
}

.case-body h3 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.42;
}

.case-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.cases-layout .case-body > p:nth-of-type(3),
.cases-layout .case-body > p:nth-of-type(5) {
  display: none;
}

.cases-layout .case-body > p:first-of-type {
  margin: 0 0 10px;
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 700;
}

.cases-layout .case-body > p:nth-of-type(2) {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  background: #f5f3ef;
}

.cases-layout .case-body > p:nth-of-type(6) {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.cases-layout .case-body h3 b {
  display: none;
}

.case-judgement {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.card-actions a {
  color: var(--ink);
  border-color: rgba(0, 0, 0, .2);
}

.process {
  gap: 20px;
}

.process--home {
  grid-template-columns: repeat(4, 1fr);
}

.process > div,
.price-factors > div {
  min-height: 250px;
  padding: 32px 28px;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(29, 29, 31, .045);
  transition: transform .22s ease, box-shadow .22s ease;
}

.process span,
.price-factors span {
  width: 54px;
  height: 54px;
  color: var(--gold-dark);
  border-radius: 50%;
  background: #f1ebe1;
}

.process h3,
.price-factors h3 {
  margin: 28px 0 12px;
  font-size: 21px;
}

.process p,
.price-factors p {
  line-height: 1.72;
}

.split {
  gap: clamp(44px, 7vw, 90px);
}

.proof-card {
  min-height: 360px;
  padding: clamp(34px, 5vw, 58px);
  border-color: rgba(182, 144, 82, .2);
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, rgba(216, 194, 155, .3), transparent 36%),
    #f7f6f2;
  box-shadow: none;
}

.proof-label {
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}

.proof-card strong {
  margin-top: 20px;
  color: var(--ink);
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.18;
}

.proof-card p {
  color: var(--muted);
}

.proof-card a {
  color: var(--ink);
}

.solution-grid {
  gap: 24px;
}

.solutions-page .solution-grid {
  grid-template-columns: repeat(3, 1fr);
}

.process--solutions {
  grid-template-columns: repeat(4, 1fr);
}

.solution-card {
  border-color: rgba(0, 0, 0, .07);
  border-radius: 26px;
  box-shadow: 0 14px 38px rgba(29, 29, 31, .05);
  transition: transform .22s ease, box-shadow .22s ease;
}

.solution-card img {
  aspect-ratio: 4 / 3;
  filter: saturate(.88) brightness(1.06);
}

.solution-card div {
  padding: 28px;
}

.solution-card h3 {
  font-size: 23px;
}

.solution-card a,
.article-card a {
  color: var(--ink);
}

.price-teaser,
.price-reference,
.quote-rule {
  padding: clamp(30px, 5vw, 56px);
  border-color: rgba(0, 0, 0, .07);
  border-radius: 28px;
  box-shadow: 0 18px 48px rgba(29, 29, 31, .055);
}

.price-box {
  padding: 32px;
  border-color: rgba(182, 144, 82, .18);
  border-radius: 24px;
  background: #f7f6f2;
}

.price-box strong,
.price-cards strong {
  color: var(--ink);
}

.article-list {
  gap: 22px;
}

.article-list.compact {
  grid-template-columns: repeat(3, 1fr);
}

.home-knowledge-grid {
  grid-template-columns: repeat(4, 1fr) !important;
}

.article-card {
  padding: 0;
  gap: 0;
  overflow: hidden;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(29, 29, 31, .045);
  transition: transform .22s ease, box-shadow .22s ease;
}

.article-card > div {
  padding: 24px;
}

.article-card img {
  aspect-ratio: 16 / 10;
  border-radius: 0;
  filter: saturate(.9) brightness(1.05);
}

.article-card span {
  color: var(--gold-dark);
  font-size: 13px;
  letter-spacing: .04em;
}

.article-card h3 {
  margin: 8px 0 12px;
  font-size: 21px;
  line-height: 1.42;
}

.home-knowledge-grid .article-card p {
  font-size: 14px;
  line-height: 1.68;
}

.bottom-cta {
  padding: 48px 0 0;
  background: #fff;
}

.cta-panel {
  padding: clamp(34px, 5vw, 58px);
  color: var(--ink);
  border-color: rgba(182, 144, 82, .18);
  border-radius: 30px;
  background:
    radial-gradient(circle at 90% 18%, rgba(216, 194, 155, .35), transparent 30%),
    #f7f6f2;
}

.cta-panel h2 {
  max-width: 18ch;
  color: var(--ink);
  font-size: clamp(30px, 3.5vw, 48px);
  line-height: 1.14;
  letter-spacing: -.03em;
}

.cta-panel p {
  max-width: 720px;
  color: var(--muted);
}

.cta-panel .eyebrow {
  margin-bottom: 12px;
  font-size: 12px;
}

.cta-qr,
.qr-card {
  border-color: rgba(0, 0, 0, .07);
  background: rgba(255, 255, 255, .84);
  box-shadow: none;
}

.site-footer,
.footer {
  padding: 48px 0 94px;
  color: var(--ink);
  background: #f5f5f7;
}

.footer-benefits {
  border-color: rgba(0, 0, 0, .08);
}

.footer-benefits span,
.footer-main a,
.footer a {
  color: #4f4f53;
}

.footer-main p {
  color: var(--muted);
}

.page-hero,
.pagehead {
  min-height: 400px;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 35%, rgba(216, 194, 155, .26), transparent 30%),
    linear-gradient(180deg, #faf9f6, #f4f3ef);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}

.page-hero .hero-media {
  background:
    linear-gradient(90deg, #f7f6f2 5%, rgba(247, 246, 242, .92) 42%, rgba(247, 246, 242, .38) 100%),
    url("images/hero/page-hero-premium.webp") 76% center / cover no-repeat;
  opacity: .72;
  filter: saturate(.7) brightness(1.14);
}

.page-hero .hero-media::after {
  display: none;
}

.page-hero h1,
.pagehead h1 {
  max-width: 16ch;
  color: var(--ink);
  font-size: clamp(42px, 5vw, 66px);
  font-weight: 630;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.page-hero p,
.pagehead .lead {
  color: #5c5c61;
  font-size: 19px;
  line-height: 1.7;
}

.hero-kicker {
  color: var(--gold-dark);
  background: rgba(255, 255, 255, .68);
  border-color: rgba(182, 144, 82, .22);
}

.hero-facts span,
.case-hero-stats span {
  color: #4e4e53;
  background: rgba(255, 255, 255, .72);
}

.filter-row span,
.category-row span {
  border-color: rgba(0, 0, 0, .08);
  background: #fff;
  font-weight: 600;
}

.filter-row span:first-child,
.category-row span:first-child {
  color: #fff;
  background: #1d1d1f;
}

.side-panel,
.contact-card {
  border-color: rgba(0, 0, 0, .07);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 40px rgba(29, 29, 31, .05);
}

.range-map {
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 50%, rgba(182, 144, 82, .2) 0 18%, transparent 19%),
    #f7f6f2;
}

.about-photo,
.work-record > div {
  border-radius: 24px;
}

.about-principle {
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(32px, 5vw, 56px);
  overflow: hidden;
  color: var(--ink);
  border: 1px solid rgba(182, 144, 82, .18);
  border-radius: 28px;
  background:
    radial-gradient(circle at 80% 18%, rgba(216, 194, 155, .48), transparent 30%),
    linear-gradient(145deg, #f8f7f3, #eeece6);
}

.about-principle span {
  margin-bottom: 18px;
  color: var(--gold-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}

.about-principle strong {
  max-width: 10ch;
  font-size: clamp(36px, 4.5vw, 58px);
  font-weight: 630;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.about-principle p {
  max-width: 540px;
  margin: 24px 0 0;
  color: var(--muted);
}

.contact-grid {
  gap: 24px;
}

.contact-support {
  margin-top: 40px;
}

.big-phone {
  color: var(--ink);
}

.article {
  max-width: 920px;
  padding: clamp(58px, 7vw, 92px) clamp(20px, 3vw, 34px) clamp(88px, 9vw, 132px);
}

.article h1 {
  margin-bottom: 24px;
  color: var(--ink);
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 630;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.article h2 {
  margin: 58px 0 18px;
  padding: 0;
  color: var(--ink);
  border: 0;
  font-size: clamp(27px, 3vw, 36px);
  font-weight: 630;
  line-height: 1.3;
  letter-spacing: -.02em;
}

.article h3 {
  margin-top: 34px;
  font-size: 21px;
}

.article p,
.article li {
  color: #3f3f43;
  font-size: 17px;
  line-height: 1.9;
}

.article .lead {
  color: var(--muted);
  font-size: 21px;
  line-height: 1.78;
}

.crumb {
  margin-bottom: 22px;
  color: #88888d;
  font-size: 14px;
}

.tag {
  color: #5f5f64;
  border-color: rgba(0, 0, 0, .08);
  background: #f7f6f2;
}

.box,
.risk {
  margin: 28px 0;
  padding: 24px 26px;
  border: 0;
  border-radius: 20px;
  background: #f7f6f2;
}

.box {
  box-shadow: inset 4px 0 0 var(--gold);
}

.risk {
  box-shadow: inset 4px 0 0 #1d1d1f;
}

.table {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: 16px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}

.table th,
.table td {
  border: 0;
  border-right: 1px solid rgba(0, 0, 0, .07);
  border-bottom: 1px solid rgba(0, 0, 0, .07);
}

.table th {
  background: #f5f5f7;
}

.faq-grid {
  gap: 18px;
}

.faq-card {
  padding: 24px;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 22px;
  background: #f7f6f2;
  box-shadow: none;
}

.faq-card h3 {
  color: var(--ink);
}

main.article figure,
.project-gallery .gallery-hero,
.project-gallery .gallery-figure,
.project-gallery .diagram-figure,
.gallery-grid figure {
  padding: 10px;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(29, 29, 31, .055);
}

main.article figure img,
.project-gallery img,
.gallery-grid figure img {
  border-radius: 17px;
}

.case-summary-grid {
  gap: 16px;
}

.summary-card {
  border-color: rgba(0, 0, 0, .07);
  border-radius: 20px;
  background: #f7f6f2;
  box-shadow: none;
}

.case-hero-card {
  color: var(--ink);
  border-color: rgba(0, 0, 0, .08);
  background: rgba(255, 255, 255, .72);
}

.case-hero-card strong {
  color: var(--ink);
}

.case-hero-card p {
  color: var(--muted);
}

.case-bottom-cta {
  padding: 26px;
  border-color: rgba(0, 0, 0, .07);
  border-radius: 24px;
  background: #f7f6f2;
}

.case-bottom-cta p {
  color: #4f4f54;
}

.search-box input,
.search-box button {
  height: 58px;
  border-color: rgba(0, 0, 0, .1);
}

.search-box input {
  border-radius: 16px 0 0 16px;
}

.search-box button {
  color: #fff;
  border-radius: 0 16px 16px 0;
  background: #1d1d1f;
}

.top .nav {
  min-height: 72px;
}

.top .brand {
  font-size: 17px;
}

.links a {
  color: #48484d;
  font-weight: 600;
}

.links a:hover {
  color: #000;
}

.pagehead {
  padding: 90px 0 76px;
}

.footer {
  color: var(--muted);
}

.home-page .section,
.page-hero .hero-content,
.pagehead > .wrap,
main.article {
  animation: ys-rise-in .55s ease both;
}

@keyframes ys-rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .home-knowledge-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .process--home {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1060px) {
  .home-hero-grid {
    grid-template-columns: 1fr 420px;
    gap: 44px;
  }

  .main-nav {
    gap: 15px;
  }

  .solutions-page .solution-grid,
  .process--solutions {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .home-hero-grid {
    grid-template-columns: 1fr;
  }

  .home-copy {
    max-width: 760px;
  }

  .home-copy h1 {
    max-width: 13ch;
  }

  .hero-visual {
    width: min(100%, 620px);
    margin-inline: auto;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 70px;
  }

  body {
    padding-bottom: 58px;
  }

  .container,
  .wrap {
    padding-inline: 20px;
  }

  .header-inner {
    min-height: 68px;
  }

  .brand-logo {
    width: 36px;
    height: 36px;
  }

  .nav-menu {
    display: grid;
    width: 42px;
    height: 42px;
    border-color: rgba(0, 0, 0, .12);
    background: rgba(255, 255, 255, .8);
  }

  .nav-menu span {
    background: #1d1d1f;
  }

  .main-nav {
    top: 68px;
    padding: 10px 20px 22px;
    background: rgba(255, 255, 255, .97);
    border-color: rgba(0, 0, 0, .08);
    box-shadow: 0 18px 40px rgba(29, 29, 31, .08);
  }

  .main-nav a {
    padding: 13px 0;
    color: #29292c;
    border-bottom: 1px solid rgba(0, 0, 0, .07);
  }

  .main-nav a::after {
    display: none;
  }

  .home-hero,
  .home-hero-grid {
    min-height: auto;
  }

  .home-hero-grid {
    gap: 44px;
    padding-top: 58px;
    padding-bottom: 72px;
  }

  .home-copy h1 {
    max-width: none;
    margin-bottom: 22px;
    font-size: clamp(38px, 11vw, 52px);
    line-height: 1.07;
  }

  .hero-sub {
    font-size: 17px;
  }

  .hero-tags {
    margin: 24px 0 26px;
  }

  .hero-buttons .btn {
    flex: 1 1 100%;
  }

  .hero-visual {
    padding: 0 0 22px;
  }

  .hero-image-card img {
    aspect-ratio: 4 / 5;
  }

  .hero-note {
    width: calc(100% - 20px);
    margin: -18px 0 0 20px;
  }

  .section {
    padding: 72px 0;
  }

  .center-title h2,
  .section h2 {
    font-size: clamp(34px, 9vw, 44px);
  }

  .feature-card {
    min-height: 0;
    padding: 28px 26px;
  }

  .case-body {
    padding: 24px;
  }

  .process--home,
  .home-knowledge-grid,
  .article-list.compact,
  .solutions-page .solution-grid,
  .process--solutions {
    grid-template-columns: 1fr !important;
  }

  .process > div,
  .price-factors > div {
    min-height: 0;
  }

  .proof-card {
    min-height: 0;
  }

  .about-principle {
    min-height: 420px;
  }

  .page-hero,
  .pagehead {
    min-height: 320px;
    background: #f7f6f2;
  }

  .page-hero .hero-media {
    background:
      linear-gradient(90deg, rgba(247, 246, 242, .98), rgba(247, 246, 242, .78)),
      url("images/hero/page-hero-premium.webp") 70% center / cover no-repeat;
    opacity: .58;
  }

  .page-hero h1,
  .pagehead h1 {
    font-size: clamp(36px, 10vw, 46px);
  }

  .page-hero p,
  .pagehead .lead {
    font-size: 17px;
  }

  .pagehead {
    padding: 62px 0 52px;
  }

  .article {
    padding: 54px 20px 90px;
  }

  .article h1 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .article h2 {
    margin-top: 48px;
    font-size: 28px;
  }

  .article .lead {
    font-size: 19px;
  }

  .article p,
  .article li {
    font-size: 16px;
    line-height: 1.85;
  }

  .table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table th,
  .table td {
    min-width: 132px;
  }

  .cta-panel {
    padding: 30px 24px;
  }

  .cta-qr {
    grid-template-columns: 82px 1fr;
  }

  .cta-qr img {
    width: 82px;
    height: 82px;
  }

  .site-footer,
  .footer {
    padding-bottom: 40px;
  }

  .mobile-bar {
    grid-template-columns: repeat(2, 1fr);
    background: rgba(255, 255, 255, .96);
    border-color: rgba(0, 0, 0, .1);
    box-shadow: 0 -8px 28px rgba(29, 29, 31, .08);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  .mobile-bar a {
    min-height: 58px;
    color: #fff;
    border-color: rgba(255, 255, 255, .16);
    background: #1d1d1f;
  }

  .mobile-bar a:nth-child(2) {
    color: #fff;
    background: #2f8f57;
  }

  .mobile-bar a:last-child:nth-child(3) {
    display: none;
  }

  .top .nav {
    min-height: auto;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .links {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 18px;
    padding-bottom: 3px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .links::-webkit-scrollbar {
    display: none;
  }

  .links a {
    flex: 0 0 auto;
    color: #4b4b50;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}