/* ============================================================
   富投资有限公司 · Wealth FA Limited
   Shared stylesheet — hand-written CSS, no frameworks.

   CONTENTS
   01  Design tokens
   02  Base / reset
   03  Bilingual type system (.zh / .en pairs)
   04  Layout primitives (container, sections, rules)
   05  Header + navigation (desktop & mobile overlay)
   06  Buttons + links
   07  Imagery (navy duotone treatment)
   08  Homepage sections
   09  Services page
   10  Contact page
   11  Footer
   12  Motion (fade-up on scroll, reduced-motion safe)
   13  Responsive breakpoints (990px / 760px / 560px)
   ============================================================ */


/* ------------------------------------------------------------
   01 · DESIGN TOKENS
   ------------------------------------------------------------ */
:root {
  /* palette */
  --navy:        #0F1E3D;   /* anchor */
  --navy-deep:   #0A1428;   /* footer, deepest surfaces */
  --navy-ink:    #16233F;   /* Chinese headings on light */
  --charcoal:    #262B33;   /* Chinese body on light */
  --gold:        #B08D4F;   /* single accent — use sparingly */
  --gold-soft:   #C6A972;   /* gold on dark surfaces */
  --paper:       #F7F5F1;   /* page background */
  --paper-raise: #FCFAF6;   /* cards */
  --ivory:       #F4F1E9;   /* Chinese text on navy */
  --grey-en:     #6F6A60;   /* English secondary on light (warm grey) */
  --grey-en-inv: #A9B3C7;   /* English secondary on navy (muted) */

  /* hairlines */
  --line:        rgba(176, 141, 79, 0.42);
  --line-faint:  rgba(176, 141, 79, 0.26);
  --line-dark:   rgba(176, 141, 79, 0.55);

  /* type */
  --serif-sc: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --serif-en: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;
  --sans-en:  "Source Sans 3", "Noto Serif SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* rhythm */
  --pair-gap:   0.42em;      /* zh → en inside one pair (tight) */
  --block-gap:  1.7em;       /* one bilingual block → the next (loose) */
  --radius:     2px;         /* corners square or barely rounded */
  --header-h:   76px;

  /* motion */
  --ease: cubic-bezier(0.22, 0.61, 0.24, 1);
}


/* ------------------------------------------------------------
   02 · BASE / RESET
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--serif-sc);
  font-size: 17px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

h1, h2, h3, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--navy); color: var(--ivory); }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* anchored sections clear the sticky header */
[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--navy);
  color: var(--ivory);
  padding: 0.7rem 1.2rem;
  font-family: var(--sans-en);
  font-size: 0.85rem;
}
.skip-link:focus { left: 0; }


/* ------------------------------------------------------------
   03 · BILINGUAL TYPE SYSTEM
   Every visible string is a .pair: Chinese (.zh) first,
   English (.en, lang="en") directly beneath — smaller, lighter,
   softer, letter-spaced. One binding device is used site-wide:
   a short gold hairline between the two lines of every
   display-level pair (.pair-rule).
   ------------------------------------------------------------ */
.zh, .en { display: block; }

.zh {
  color: var(--charcoal);
  font-weight: 500;
}

.en {
  margin-top: var(--pair-gap);
  color: var(--grey-en);
  font-family: var(--sans-en);
  font-weight: 400;
  font-size: 0.86em;                /* ≈ 70% of the Chinese voice */
  line-height: 1.72;
  letter-spacing: 0.015em;
  overflow-wrap: break-word;
}

/* body copy pairs */
.pair + .pair { margin-top: var(--block-gap); }

.prose .zh { max-width: 38em; }     /* ~35–40 Chinese characters   */
.prose .en { max-width: 66ch; }     /* ~65–75 English characters   */
.prose .en { font-size: 0.88rem; }

/* ---- the binding device: a short gold hairline ---- */
.pair-rule .en { padding-top: 0.72em; position: relative; }
.pair-rule .en::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30px;
  height: 1px;
  background: var(--gold);
}
.pair-rule.centered { text-align: center; }
.pair-rule.centered .en::before { left: 50%; transform: translateX(-50%); }

/* ---- display levels ---- */

/* hero headline */
.h-hero .zh {
  font-size: clamp(1.85rem, 1rem + 3.1vw, 2.85rem);
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.h-hero .en {
  font-family: var(--serif-en);
  font-size: clamp(1.22rem, 0.8rem + 1.75vw, 1.8rem);
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0.012em;
  color: rgba(233, 229, 216, 0.86);
}

/* section heading: zh in navy serif, en as gold small-caps label */
.h-section .zh {
  font-size: clamp(1.55rem, 1.15rem + 1.5vw, 2.15rem);
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--navy-ink);
}
.h-section .en {
  font-family: var(--serif-en);
  font-size: clamp(0.9rem, 0.8rem + 0.4vw, 1.05rem);
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}
.h-section { margin-bottom: clamp(2.2rem, 5vw, 3.4rem); }

/* sub heading (cards, service names, why-us items) */
.h-item .zh {
  font-size: 1.28rem;
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--navy-ink);
}
.h-item .en {
  font-family: var(--sans-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-en);
}

/* small eyebrow label (gold, letter-spaced) */
.eyebrow .zh {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.eyebrow .en {
  margin-top: 0.3em;
  font-family: var(--sans-en);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: rgba(176, 141, 79, 0.8);
}

/* pairs sitting on navy surfaces */
.on-dark .zh, .on-dark.zh { color: var(--ivory); }
.on-dark .en, .on-dark.en { color: var(--grey-en-inv); }
.on-dark .h-section .en,
.on-dark.h-section .en { color: var(--gold-soft); }
.on-dark .eyebrow .en { color: rgba(198, 169, 114, 0.85); }


/* ------------------------------------------------------------
   04 · LAYOUT PRIMITIVES
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section { padding-block: clamp(4rem, 9vw, 6.25rem); }
.section-rule { border-top: 1px solid var(--line-faint); }

.split {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  align-items: center;
}


/* ------------------------------------------------------------
   05 · HEADER + NAVIGATION
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 245, 241, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* brand lockup */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--navy);              /* mark glyph inherits this */
}
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-zh {
  display: block;
  font-family: var(--serif-sc);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.25;
  color: var(--navy-ink);
  white-space: nowrap;
}
.brand-en {
  display: block;
  margin-top: 0.18em;
  font-family: var(--sans-en);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

/* desktop nav: compact stacked pairs */
.site-nav ul {
  display: flex;
  gap: clamp(1.4rem, 3vw, 2.6rem);
}
.nav-item {
  display: block;
  padding: 0.35rem 0.1rem;
  text-align: center;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s var(--ease);
}
.nav-item .zh {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--navy-ink);
  line-height: 1.3;
}
.nav-item .en {
  margin-top: 0.22em;
  font-family: var(--sans-en);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--grey-en);
  line-height: 1.2;
}
.nav-item:hover { border-bottom-color: var(--line); }
.nav-item[aria-current="page"] { border-bottom-color: var(--gold); }
.nav-item[aria-current="page"] .en { color: var(--gold); }

/* hamburger (hidden on desktop) */
.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  height: 1.5px;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.menu-btn span + span { margin-top: 7px; }

/* full-screen navy overlay menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--navy-deep);
  padding: calc(var(--header-h) + 1rem) clamp(1.5rem, 8vw, 3rem) 3rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.mobile-menu ul { display: grid; gap: 2.1rem; }
.mobile-menu .nav-item {
  text-align: left;
  border-bottom: none;
  border-left: 2px solid transparent;
  padding-left: 1.1rem;
}
.mobile-menu .nav-item .zh { font-size: 1.5rem; color: var(--ivory); }
.mobile-menu .nav-item .en { font-size: 0.66rem; color: var(--grey-en-inv); }
.mobile-menu .nav-item[aria-current="page"] { border-left-color: var(--gold); }
.mobile-menu .nav-item[aria-current="page"] .en { color: var(--gold-soft); }
.mobile-menu-foot {
  margin-top: 3.2rem;
  padding-top: 1.6rem;
  padding-left: 1.1rem;
  border-top: 1px solid rgba(176, 141, 79, 0.3);
}
.mobile-menu-foot .zh { font-size: 0.82rem; letter-spacing: 0.2em; color: var(--grey-en-inv); }
.mobile-menu-foot .en { font-size: 0.6rem; letter-spacing: 0.28em; text-transform: uppercase; color: rgba(169, 179, 199, 0.7); }

/* open state (html.menu-open set by script) */
.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.menu-open body { overflow: hidden; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); background: var(--ivory); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); background: var(--ivory); }
.menu-open .site-header {
  background: transparent;
  border-bottom-color: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.menu-open .brand { color: var(--ivory); }
.menu-open .brand-zh { color: var(--ivory); }


/* ------------------------------------------------------------
   06 · BUTTONS + LINKS
   ------------------------------------------------------------ */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.2rem;
  margin-top: 2.4rem;
}

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.16rem;
  min-width: 208px;
  padding: 0.95rem 2.1rem;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  text-align: center;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn .zh {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ivory);
  line-height: 1.4;
}
.btn .en {
  margin-top: 0;
  font-family: var(--sans-en);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-soft);
  line-height: 1.4;
}

.btn-primary { background: rgba(176, 141, 79, 0.14); }
.btn-primary:hover { background: rgba(176, 141, 79, 0.28); }

.btn-ghost { border-color: rgba(244, 241, 233, 0.4); }
.btn-ghost:hover { border-color: rgba(244, 241, 233, 0.85); background: rgba(244, 241, 233, 0.06); }

/* "了解更多 / Learn more" link pair */
.more { display: inline-block; }
.more .zh {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--navy-ink);
  transition: color 0.25s var(--ease);
}
.more .arrow {
  display: inline-block;
  margin-left: 0.45em;
  transition: transform 0.25s var(--ease);
}
.more .en {
  margin-top: 0.2em;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.more:hover .zh { color: var(--gold); }
.more:hover .arrow { transform: translateX(4px); }

/* large email link on the contact page */
.email-link {
  display: inline-block;
  font-family: var(--serif-en);
  font-size: clamp(1.1rem, 0.6rem + 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy-ink);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.15em;
  overflow-wrap: anywhere;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.email-link:hover {
  color: var(--navy);
  border-bottom-color: var(--gold);
}


/* ------------------------------------------------------------
   07 · IMAGERY — consistent navy duotone treatment
   ------------------------------------------------------------ */
.duo {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  border-radius: var(--radius);
}
.duo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(62%) contrast(1.04) brightness(0.94);
}
.duo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(15, 30, 61, 0.38), rgba(15, 30, 61, 0.52));
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* inset gold hairline frame for feature images */
.duo-framed::before {
  content: "";
  position: absolute;
  inset: 14px;
  z-index: 2;
  border: 1px solid rgba(198, 169, 114, 0.55);
  border-radius: 1px;
  pointer-events: none;
}


/* ------------------------------------------------------------
   08 · HOMEPAGE SECTIONS
   ------------------------------------------------------------ */

/* --- hero --- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(600px, 86vh, 800px);
  background: var(--navy-deep);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(38%) brightness(0.9);
}
.hero-bg::after {
  /* ~60% navy overlay, weighted left where the text sits */
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(97deg,
      rgba(10, 20, 40, 0.9) 0%,
      rgba(12, 24, 48, 0.72) 48%,
      rgba(15, 30, 61, 0.48) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 12vh, 8rem);
  max-width: 720px;
}
.hero .eyebrow { margin-bottom: 2rem; }
.hero-sub { margin-top: 1.9rem; }
.hero-sub .zh {
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.03em;
  color: rgba(240, 236, 226, 0.92);
  max-width: 36em;
}
.hero-sub .en {
  font-size: 0.85rem;
  color: var(--grey-en-inv);
  max-width: 62ch;
}
.hero .pair-rule .en::before { background: var(--gold); }

/* --- credentials strip --- */
.credentials { border-bottom: 1px solid var(--line-faint); }
.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;                          /* the gold hairline dividers   */
  background: var(--line);           /* shows through the 1px gaps   */
  border-block: 1px solid var(--line);
}
.cred {
  background: var(--paper);
  padding: 2.4rem 1.6rem 2.2rem;
  text-align: center;
}
.cred-num {
  display: block;
  font-family: var(--serif-en);
  font-size: clamp(1.7rem, 1.3rem + 1.2vw, 2.25rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--navy-ink);
}
.cred-cap { margin-top: 0.9rem; }
.cred-cap .zh {
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--charcoal);
}
.cred-cap .en {
  margin-top: 0.35em;
  font-size: 0.66rem;
  line-height: 1.65;
  letter-spacing: 0.06em;
  color: var(--grey-en);
}

/* --- about --- */
.about-media { aspect-ratio: 4 / 5; max-height: 620px; }

/* --- services preview cards --- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--paper-raise);
  border: 1px solid rgba(176, 141, 79, 0.35);
  border-radius: var(--radius);
  padding: 2.3rem 2.2rem 2.1rem;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.card:hover {
  border-color: var(--gold);
  box-shadow: 0 18px 38px -26px rgba(15, 30, 61, 0.45);
  transform: translateY(-3px);
}
.card .ico {
  width: 44px;
  height: 44px;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.card .h-item { margin-bottom: 1.1rem; }
.card-sum .zh { font-size: 0.94rem; font-weight: 400; line-height: 1.9; }
.card-sum .en { font-size: 0.78rem; }
.card .more { margin-top: auto; padding-top: 1.7rem; }

/* --- team (navy) --- */
.team {
  background: var(--navy);
  border-block: 1px solid var(--line-dark);
}
.team-lead { margin-inline: auto; text-align: center; max-width: 760px; }
.team-lead .zh {
  font-size: 1.04rem;
  font-weight: 400;
  line-height: 2.05;
  letter-spacing: 0.03em;
  color: var(--ivory);
}
.team-lead .en { font-size: 0.86rem; color: var(--grey-en-inv); }
.quals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.6rem;
  max-width: 900px;
  margin: 3.6rem auto 0;
}
.qual { text-align: center; }
.qual::before {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  background: var(--gold);
  margin: 0 auto 1.15rem;
}
.qual .zh {
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ivory);
}
.qual .en {
  font-family: var(--sans-en);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-en-inv);
}

/* --- markets --- */
.markets-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.4rem 2.2rem;
}
.market { width: clamp(140px, 16vw, 186px); text-align: center; }
.market .duo { aspect-ratio: 4 / 3; }
.market-cap { margin-top: 0.95rem; }
.market-cap .zh {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--navy-ink);
}
.market-cap .en {
  margin-top: 0.28em;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-en);
}

/* --- why us --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.4rem clamp(2.5rem, 6vw, 4.5rem);
}
.why-num {
  font-family: var(--serif-en);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.why-num::after {
  content: "";
  display: block;
  width: 30px;
  height: 1px;
  background: var(--line);
  margin-top: 0.9rem;
}
.why .h-item { margin: 1.25rem 0 1rem; }
.why-text .zh { font-size: 0.96rem; font-weight: 400; line-height: 1.95; }
.why-text .en { font-size: 0.82rem; }

/* --- closing CTA band --- */
.cta {
  background: var(--navy);
  border-top: 1px solid var(--line-dark);
  text-align: center;
}
.cta-line .zh {
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.7rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--ivory);
}
.cta-line .en {
  font-family: var(--serif-en);
  font-size: clamp(0.95rem, 0.85rem + 0.4vw, 1.12rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--grey-en-inv);
}
.cta .btn-row { justify-content: center; margin-top: 2.6rem; }


/* ------------------------------------------------------------
   09 · SERVICES PAGE
   ------------------------------------------------------------ */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(340px, 48vh, 460px);
  background: var(--navy-deep);
  overflow: hidden;
}
.page-hero .hero-bg::after {
  background:
    linear-gradient(180deg, rgba(10, 20, 40, 0.72), rgba(12, 24, 48, 0.82));
}
.page-hero .hero-content {
  padding-block: clamp(4rem, 9vh, 6rem);
  max-width: 760px;
}
.page-hero .h-hero .zh { font-size: clamp(1.75rem, 1.1rem + 2.4vw, 2.5rem); }
.page-hero .h-hero .en { font-size: clamp(1.1rem, 0.8rem + 1.2vw, 1.5rem); }
.page-intro { margin-top: 1.6rem; }
.page-intro .zh {
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 2;
  color: rgba(240, 236, 226, 0.9);
  max-width: 34em;
}
.page-intro .en { font-size: 0.84rem; color: var(--grey-en-inv); max-width: 62ch; }

.svc { padding-block: clamp(4rem, 8.5vw, 5.75rem); }
.svc + .svc { border-top: 1px solid var(--line-faint); }
.svc-inner {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: clamp(2.5rem, 6.5vw, 5rem);
  align-items: center;
}
.svc-media { aspect-ratio: 4 / 3.4; }
.svc.alt .svc-media { order: -1; }
.svc-num {
  display: block;
  font-family: var(--serif-en);
  font-size: clamp(2.9rem, 2rem + 3vw, 4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}
.svc-num::after {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  background: var(--line);
  margin-top: 1.1rem;
}
.svc .h-section { margin: 1.5rem 0 1.6rem; }
.svc .h-section .zh { font-size: clamp(1.4rem, 1.1rem + 1.1vw, 1.85rem); }
.prose-pair .zh { max-width: 34em; }
.prose-pair .en { max-width: 62ch; font-size: 0.88rem; }
.svc-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem 2rem;
  margin-top: 2.1rem;
}
.svc-list li { position: relative; padding-left: 1.2rem; }
.svc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--gold);
}
.svc-list .zh {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.75;
  color: var(--navy-ink);
}
.svc-list .en {
  margin-top: 0.22em;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.55;
}


/* ------------------------------------------------------------
   10 · CONTACT PAGE
   ------------------------------------------------------------ */
.contact-band {
  background: var(--navy);
  border-bottom: 1px solid var(--line-dark);
  text-align: center;
  padding-block: clamp(4rem, 10vh, 6rem);
}
.contact-band .h-hero .zh { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.5rem); }
.contact-band .h-hero .en { font-size: clamp(1.1rem, 0.85rem + 1vw, 1.5rem); }
.contact-band .pair-rule.centered .en::before { background: var(--gold); }

.contact-main { padding-block: clamp(4rem, 9vw, 6rem); }
.contact-card {
  max-width: 660px;
  margin-inline: auto;
  background: var(--paper-raise);
  border: 1px solid rgba(176, 141, 79, 0.55);
  border-radius: var(--radius);
  padding: clamp(2.4rem, 6vw, 3.8rem) clamp(1.4rem, 5vw, 3.2rem);
  text-align: center;
}
.contact-invite .zh {
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 2.05;
  letter-spacing: 0.02em;
  color: var(--charcoal);
}
.contact-invite .en { font-size: 0.86rem; }
.contact-card .divider {
  width: 30px;
  height: 1px;
  background: var(--gold);
  margin: 2.1rem auto;
}
.contact-note { margin-top: 2rem; }
.contact-note .zh {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--grey-en);
}
.contact-note .en {
  margin-top: 0.3em;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(111, 106, 96, 0.85);
}
.contact-skyline { height: clamp(220px, 36vw, 360px); border-radius: 0; }


/* ------------------------------------------------------------
   11 · FOOTER
   ------------------------------------------------------------ */
.site-footer {
  background: var(--navy-deep);
  color: var(--ivory);
  padding-top: clamp(3.5rem, 7vw, 5rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 1fr;
  gap: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: 3.2rem;
}
.footer-brand .brand { color: var(--ivory); }
.footer-brand .brand-zh { color: var(--ivory); }
.footer-brand .brand-en { color: var(--gold-soft); }
.footer-desc { margin-top: 1.6rem; }
.footer-desc .zh {
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.95;
  color: rgba(240, 236, 226, 0.82);
  max-width: 24em;
}
.footer-desc .en { font-size: 0.74rem; color: var(--grey-en-inv); max-width: 44ch; }

.footer-label {
  margin-bottom: 1.3rem;
}
.footer-label .zh {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: var(--gold-soft);
}
.footer-label .en {
  margin-top: 0.25em;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(198, 169, 114, 0.65);
}
.footer-nav ul { display: grid; gap: 1.25rem; }
.footer-nav .nav-item {
  text-align: left;
  border-bottom: none;
  border-left: 2px solid transparent;
  padding: 0 0 0 0.9rem;
  margin-left: -0.9rem;
  transition: border-color 0.25s var(--ease);
}
.footer-nav .nav-item .zh { color: var(--ivory); font-size: 0.9rem; }
.footer-nav .nav-item .en { color: var(--grey-en-inv); }
.footer-nav .nav-item:hover { border-left-color: var(--gold); }
.footer-nav .nav-item[aria-current="page"] { border-left-color: var(--gold); }

.footer-note { margin-bottom: 1.05rem; }
.footer-note .zh { font-size: 0.88rem; font-weight: 400; color: rgba(240, 236, 226, 0.82); }
.footer-note .en { font-size: 0.72rem; }

.footer-email {
  display: inline-block;
  font-family: var(--serif-en);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ivory);
  border-bottom: 1px solid rgba(198, 169, 114, 0.45);
  padding-bottom: 0.15em;
  overflow-wrap: anywhere;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.footer-email:hover { color: var(--gold-soft); border-bottom-color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(176, 141, 79, 0.3);
  padding-block: 1.6rem 1.9rem;
  text-align: center;
}
.footer-bottom .zh {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: rgba(240, 236, 226, 0.75);
}
.footer-bottom .en {
  margin-top: 0.35em;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  line-height: 1.8;
  color: rgba(169, 179, 199, 0.7);
}
.footer-bottom .sep { color: rgba(198, 169, 114, 0.6); padding-inline: 0.5em; }


/* ------------------------------------------------------------
   12 · MOTION — gentle fade-up on scroll
   Only active when JS runs (html.js); reduced-motion respected.
   ------------------------------------------------------------ */
html.js [data-animate] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
html.js [data-animate].in {
  opacity: 1;
  transform: none;
}
html.js .cards [data-animate]:nth-child(2),
html.js .why-grid [data-animate]:nth-child(2) { transition-delay: 0.08s; }
html.js .cards [data-animate]:nth-child(3),
html.js .why-grid [data-animate]:nth-child(3) { transition-delay: 0.16s; }
html.js .cards [data-animate]:nth-child(4),
html.js .why-grid [data-animate]:nth-child(4) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .card, .more .arrow, .btn { transition: none; }
}


/* ------------------------------------------------------------
   13 · RESPONSIVE
   Bilingual blocks are roughly twice the height of monolingual
   text, so columns collapse earlier than usual.
   ------------------------------------------------------------ */
@media (max-width: 990px) {
  .site-nav { display: none; }
  .menu-btn { display: block; }

  .split { grid-template-columns: 1fr; }
  .about-media { aspect-ratio: 16 / 10; max-height: 440px; }

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

  .svc-inner { grid-template-columns: 1fr; }
  .svc.alt .svc-media { order: 0; }
  .svc-media { aspect-ratio: 16 / 9; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --header-h: 64px; }
  body { font-size: 16px; }

  .brand-mark { width: 36px; height: 36px; }
  .brand-zh { font-size: 0.9rem; }
  .brand-en { font-size: 0.5rem; letter-spacing: 0.3em; }

  .cards { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .quals { grid-template-columns: 1fr; gap: 2.2rem; max-width: 420px; }
  .svc-list { grid-template-columns: 1fr; }

  .btn { flex: 1 1 100%; min-width: 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 2.6rem; }
}

@media (max-width: 560px) {
  .cred-grid { grid-template-columns: 1fr; }
  .cred { padding: 1.9rem 1.4rem 1.7rem; }

  .markets-row { gap: 1.8rem 1.2rem; }
  .market { width: calc(50% - 0.6rem); }

  .hero { min-height: 560px; }
  .hero-content { padding-block: 4.5rem; }
}