/* ============================================================
   安信租賃官網 · 線上委託內頁
   Design tokens: 黑 · 金 · 白
   ============================================================ */

:root {
  /* Palette */
  --ink:          #0f0d0b;
  --ink-2:        #16120f;
  --ink-3:        #1f1a15;
  --ink-4:        #2a231b;
  --line-dark:    rgba(201,169,106,.22);
  --line-dark-2:  rgba(201,169,106,.14);

  --paper:        #fbf7ef;
  --paper-2:      #fffaf3;
  --paper-3:      #f6efe1;
  --paper-line:   rgba(140,112,67,.14);
  --paper-line-2: rgba(140,112,67,.08);

  --text:         #1b1612;
  --text-2:       #3f362b;
  --muted:        #7d7268;
  --muted-2:      #a4998c;

  --gold:         #c9a96a;
  --gold-2:       #deb667;
  --gold-3:       #9b783e;
  --gold-4:       #6b4e1a;

  --white:        #ffffff;
  --danger:       #b83a3a;
  --success:      #188c58;

  /* Type */
  --serif:  "Noto Serif TC", "Cormorant Garamond", "Songti TC", serif;
  --sans:   "Noto Sans TC", -apple-system, BlinkMacSystemFont, "PingFang TC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:   "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;

  /* Motion & shape */
  --radius:  22px;
  --radius-s: 14px;
  --radius-xs: 10px;
  --shadow-lg: 0 30px 60px -20px rgba(15,13,11,.45);
  --shadow-md: 0 20px 40px -20px rgba(15,13,11,.32);
  --shadow-sm: 0 10px 22px -10px rgba(15,13,11,.22);

  /* Layout */
  --max: 1200px;
  --gutter: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: #f4ecdc;
  -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  overflow-x: hidden;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; display: block; }
em { font-style: normal; color: var(--gold-3); font-weight: 800; margin-left: 2px; }

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.72);
  border-bottom: 1px solid var(--line-dark-2);
  font-size: 12.5px;
  letter-spacing: .04em;
}
.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.tb-item, .tb-link { display: inline-flex; align-items: center; gap: 6px; }
.tb-label {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: .12em;
  font-size: 11px;
}
.tb-item a { color: var(--white); font-weight: 600; }
.tb-sep {
  display: inline-block;
  width: 1px;
  height: 12px;
  background: rgba(201,169,106,.28);
  margin: 0 4px;
}
.tb-link {
  color: rgba(255,255,255,.78);
  transition: color .2s;
}
.tb-link:hover { color: var(--gold-2); }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }

/* ============================================================
   Site header + nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,13,11,.92);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-dark);
  color: var(--white);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 42px;
  height: auto;
  filter: drop-shadow(0 4px 10px rgba(201,169,106,.28));
}
.brand-mark-lg {
  width: 64px;
}
.brand-word { display: flex; flex-direction: column; line-height: 1.15; }
.brand-zh {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .18em;
  color: var(--white);
}
.brand-en {
  font-size: 9.5px;
  letter-spacing: .32em;
  color: var(--gold);
  font-weight: 600;
  margin-top: 3px;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255,255,255,.78);
  border-radius: 999px;
  transition: color .2s, background .2s;
  position: relative;
}
.site-nav a:hover { color: var(--white); }
.site-nav a.is-active {
  color: var(--ink);
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  box-shadow: 0 8px 20px -10px rgba(201,169,106,.55);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav drawer */
@media (max-width: 899px) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px 18px;
    background: linear-gradient(180deg, #16120f, #0f0d0b);
    border-bottom: 1px solid var(--line-dark);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,.55);
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
  }
  .site-nav.is-open {
    display: flex;
    max-height: 560px;
    padding: 12px 12px 22px;
  }
  .site-nav a {
    padding: 14px 16px;
    font-size: 15.5px;
    letter-spacing: .1em;
    border-radius: 12px;
    border-bottom: 1px solid rgba(201,169,106,.08);
  }
  .site-nav a:last-child { border-bottom: none; }
  .site-nav a.is-active {
    border-bottom: none;
    margin-top: 4px;
  }
}

@media (min-width: 900px) {
  .site-nav { display: flex; }
  .nav-toggle { display: none; }
  .brand-mark { width: 46px; }
  .brand-mark-lg { width: 76px; }
  .brand-zh { font-size: 22px; }
  .brand-en { font-size: 10.5px; }
}

/* ============================================================
   Breadcrumbs
   ============================================================ */
.crumbs {
  background: #efe4cc;
  border-bottom: 1px solid rgba(140,112,67,.16);
  font-size: 13px;
  color: var(--text-2);
}
.crumbs-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.crumbs a { color: var(--muted); transition: color .2s; }
.crumbs a:hover { color: var(--gold-3); }
.crumb-sep { color: var(--muted-2); }
.crumbs [aria-current="page"] { color: var(--ink); font-weight: 700; }

/* ============================================================
   Page hero
   ============================================================ */
.page-hero {
  position: relative;
  background:
    radial-gradient(circle at 82% 12%, rgba(201,169,106,.24), transparent 42%),
    radial-gradient(circle at 8% 88%, rgba(201,169,106,.10), transparent 40%),
    linear-gradient(180deg, #16120f 0%, #0f0d0b 100%);
  color: var(--white);
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,169,106,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,106,.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, black 30%, transparent 75%);
  opacity: .6;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 52px var(--gutter) 40px;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 6.5vw, 3.6rem);
  line-height: 1.18;
  letter-spacing: .04em;
  margin: 0 0 18px;
  color: var(--white);
}
.hero-em {
  display: inline-block;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 0 4px;
}
.hero-lead {
  max-width: 44rem;
  margin: 0 0 22px;
  color: rgba(255,255,255,.80);
  line-height: 1.9;
  font-size: 15px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}
.hero-tag {
  padding: 7px 13px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.88);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .06em;
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .3s;
  font-size: 14.5px;
}
.btn-primary {
  background: linear-gradient(180deg, var(--gold-2) 0%, var(--gold) 100%);
  color: var(--ink);
  box-shadow: 0 18px 40px -14px rgba(201,169,106,.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -14px rgba(201,169,106,.7); }
.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,.88);
  border: 1px solid var(--line-dark);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-2); }

.hero-mono {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter) 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.hero-mono > div {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: rgba(255,255,255,.6);
  padding: 12px 14px;
  border-top: 1px solid var(--line-dark-2);
  border-left: 1px solid var(--line-dark-2);
  border-radius: 4px 0 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-mono span {
  font-weight: 800;
  color: var(--gold);
  font-size: 13px;
}

@media (min-width: 720px) {
  .hero-inner { padding: 76px var(--gutter) 56px; }
  .hero-mono { grid-template-columns: repeat(4, 1fr); padding-bottom: 52px; }
  .hero-lead { font-size: 16px; }
}
@media (min-width: 1024px) {
  .hero-inner { padding: 96px var(--gutter) 64px; }
}

/* ============================================================
   Section chrome
   ============================================================ */
.section-head {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  margin-bottom: 28px;
}
.section-head.center { text-align: center; }
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .34em;
  color: var(--gold-3);
  margin-bottom: 10px;
  text-transform: uppercase;
  font-weight: 600;
}
.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--ink);
  margin: 0 0 8px;
}
.section-lead {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 44rem;
}
.section-lead.center { margin-left: auto; margin-right: auto; }

/* ============================================================
   About · 專業服務項目
   ============================================================ */
.about {
  background: linear-gradient(180deg, #f8f0dd 0%, #f4ecdc 100%);
  padding: 68px 0 56px;
  border-bottom: 1px solid rgba(140,112,67,.10);
}
.section-underline {
  width: 56px;
  height: 2px;
  margin: 14px auto 18px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.about-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.about-card {
  padding: 32px 24px 30px;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  text-align: center;
  transition: transform .35s, box-shadow .35s, border-color .35s;
  position: relative;
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -20px rgba(155,120,62,.32);
  border-color: rgba(201,169,106,.4);
}
.ac-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #fbf1d9 0%, #f4e4b8 100%);
  color: var(--gold-3);
  border: 1px solid rgba(201,169,106,.28);
  transition: background .3s, color .3s, transform .3s;
}
.about-card:hover .ac-icon {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  color: var(--ink);
  transform: scale(1.05);
}
.about-card h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ink);
}
.about-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  letter-spacing: .02em;
  max-width: 20rem;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 720px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .about { padding: 88px 0 72px; }
}
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}

/* ============================================================
   Promise strip
   ============================================================ */
.promise {
  background: #f4ecdc;
  padding: 56px 0 32px;
  border-bottom: 1px solid rgba(140,112,67,.10);
}
.promise-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.promise-card {
  background: var(--paper-2);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.promise-card::before {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 40%; height: 2px;
  background: linear-gradient(90deg, var(--gold-2), transparent);
}
.promise-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(201,169,106,.35);
}
.pc-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold-3);
  font-weight: 700;
  margin-bottom: 10px;
}
.promise-card h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}
.promise-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
  font-size: 14px;
}

@media (min-width: 720px) {
  .promise { padding: 76px 0 44px; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (min-width: 1024px) {
  .promise-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   Entrust shell
   ============================================================ */
.entrust-shell {
  background: linear-gradient(180deg, #f4ecdc 0%, #efe4cc 100%);
  padding: 48px 0 64px;
  position: relative;
}
.entrust-intro {
  max-width: var(--max);
  margin: 0 auto 22px;
  padding: 0 var(--gutter);
}

.panel {
  max-width: 980px;
  margin: 0 auto;
  border-radius: 28px;
  background: var(--paper);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(140,112,67,.12);
}
.panel-head {
  padding: 26px 20px 22px;
  background:
    linear-gradient(180deg, #fffcf3 0%, #f6ecd4 100%);
  border-bottom: 1px solid var(--paper-line);
  position: relative;
}
.panel-head::after {
  content: "";
  position: absolute;
  left: 20px; right: 20px; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.panel-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .34em;
  color: var(--gold-3);
  font-weight: 700;
  margin-bottom: 8px;
}
.panel-head h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .06em;
  color: var(--ink);
  font-weight: 700;
}
.panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.form-body {
  padding: 22px 14px 28px;
}

.group {
  margin: 0 0 18px;
  padding: 20px 16px 18px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #fbf4e5 100%);
}
.group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink);
}
.group-title .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold-3));
  flex: 0 0 auto;
  box-shadow: 0 3px 8px rgba(155,120,62,.35);
}
.group-intro {
  margin: -4px 0 14px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.field { min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--gold-4);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(120,96,51,.20);
  border-radius: var(--radius-s);
  background: var(--white);
  color: var(--text);
  padding: 14px 15px;
  min-height: 52px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  appearance: none;
  -webkit-appearance: none;
  font-size: 16px;
  font-family: var(--sans);
}
.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239b783e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(201,169,106,.16);
  transform: translateY(-1px);
}
.field input.error,
.field select.error,
.field textarea.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(184,58,58,.10);
}
.error-msg {
  display: block;
  margin-top: 6px;
  min-height: 18px;
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 600;
}

/* Choice chips / checkboxes */
.choice-grid, .check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.choice-chip, .check-item {
  position: relative;
  display: block;
}
.choice-chip input, .check-item input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.choice-chip span, .check-item label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(120,96,51,.20);
  background: var(--white);
  color: var(--text-2);
  font-size: 14.5px;
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
  transition: border-color .2s, background .2s, color .2s, box-shadow .2s, transform .2s;
  cursor: pointer;
  letter-spacing: .02em;
}
.choice-chip:hover span, .check-item:hover label {
  border-color: rgba(201,169,106,.5);
  transform: translateY(-1px);
}
.choice-chip input:checked + span,
.check-item input:checked + label {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(222,182,103,.26), rgba(201,169,106,.14));
  color: var(--ink);
  box-shadow: 0 8px 22px -10px rgba(201,169,106,.45);
}

.rent-other-wrap { display: block; }

/* Mode highlight */
.mode-highlight {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}
.mode-card {
  padding: 16px 16px 14px;
  border-radius: 18px;
  border: 1px solid rgba(201,169,106,.24);
  background: linear-gradient(180deg, #fffdf6 0%, #f7eed6 100%);
  position: relative;
}
.mc-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .24em;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--gold);
  border-radius: 999px;
  margin-bottom: 10px;
  font-weight: 700;
}
.mode-card strong {
  display: block;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  margin-bottom: 6px;
  letter-spacing: .06em;
}
.mode-card span {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
  display: block;
}

/* Contract inline */
.contract-row {
  display: grid;
  gap: 12px;
}
.contract-trigger,
.submit-btn,
.contract-read-btn,
.contract-collapse-btn {
  width: 100%;
  min-height: 56px;
  border: none;
  border-radius: 999px;
  padding: 15px 20px;
  font-weight: 800;
  cursor: pointer;
  line-height: 1.4;
  letter-spacing: .1em;
  font-family: var(--sans);
  font-size: 15px;
  transition: transform .2s, box-shadow .2s, opacity .2s;
}
.contract-trigger,
.submit-btn,
.contract-read-btn {
  background: linear-gradient(180deg, var(--gold-2) 0%, var(--gold) 100%);
  color: var(--ink);
  box-shadow: 0 18px 40px -14px rgba(155,120,62,.4);
}
.contract-trigger:hover,
.submit-btn:hover,
.contract-read-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -14px rgba(155,120,62,.55);
}
.submit-btn {
  background: linear-gradient(180deg, #1c1712 0%, #0f0d0b 100%);
  color: var(--gold);
  box-shadow: 0 18px 40px -14px rgba(15,13,11,.6);
  border: 1px solid var(--gold-3);
  margin-top: 4px;
}
.submit-btn:hover {
  background: linear-gradient(180deg, #2a231b 0%, #171310 100%);
  color: var(--gold-2);
}
.contract-collapse-btn {
  background: var(--white);
  color: var(--text-2);
  border: 1px solid var(--paper-line);
  box-shadow: none;
}
.contract-collapse-btn:hover {
  background: var(--paper-2);
  border-color: rgba(155,120,62,.4);
}
.contract-trigger:disabled,
.submit-btn:disabled,
.contract-read-btn:disabled,
.contract-collapse-btn:disabled {
  opacity: .7;
  cursor: wait;
  transform: none;
}

.contract-details {
  border: 1px solid var(--paper-line);
  border-radius: 20px;
  background: var(--white);
  overflow: hidden;
}
.contract-details summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 800;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  font-size: 15px;
  letter-spacing: .06em;
}
.contract-details summary::-webkit-details-marker { display: none; }
.contract-details summary::after {
  content: "";
  width: 10px; height: 10px;
  border-right: 2px solid var(--gold-3);
  border-bottom: 2px solid var(--gold-3);
  transform: rotate(45deg);
  transition: transform .3s;
  flex: 0 0 auto;
  margin-left: auto;
}
.contract-details[open] summary::after { transform: rotate(-135deg); }
.contract-details summary small {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .06em;
}
.contract-details[open] summary {
  border-bottom: 1px solid var(--paper-line-2);
}
.contract-inline-body {
  padding: 4px 16px 18px;
}

.contract-intro-card {
  margin: 14px 0 18px;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(201,169,106,.14), rgba(201,169,106,.06));
  border: 1px solid rgba(201,169,106,.24);
}
.contract-intro-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .1em;
}
.contract-intro-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.75;
}
.contract-period {
  display: block;
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(201,169,106,.16);
  border: 1px solid rgba(201,169,106,.28);
  color: var(--gold-4);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  word-break: break-word;
}
.contract-clause { margin-bottom: 20px; }
.contract-clause h4 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: .08em;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(201,169,106,.22);
}
.contract-clause ol, .contract-clause ul { margin: 0; padding-left: 1.35em; }
.contract-clause p, .contract-clause li {
  color: var(--text);
  line-height: 1.9;
  font-size: 14px;
}
.contract-clause li { margin-bottom: 4px; }

.contract-actions {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.consent-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #241b12 0%, #171310 100%);
  border: 1px solid rgba(201,169,106,.24);
  color: #f3e5c3;
  margin-top: 6px;
  transition: opacity .3s, border-color .3s;
}
.consent-box.locked { opacity: .82; border-color: rgba(201,169,106,.14); }
.consent-box input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex: 0 0 auto;
  accent-color: var(--gold-3);
  cursor: pointer;
}
.consent-box label {
  flex: 1;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.65;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .04em;
}
.consent-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  padding: 0 4px;
}

.backup-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed rgba(155,120,62,.28);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}
.backup-row a {
  color: var(--gold-4);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.backup-row a:hover { color: var(--gold-3); }

/* Loading overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(7,7,7,.76);
  backdrop-filter: blur(4px);
  z-index: 1200;
}
.loading-overlay.is-open { display: flex; }
.loading-box {
  width: min(100%, 380px);
  border-radius: 24px;
  padding: 30px 26px;
  text-align: center;
  background: var(--paper-2);
  color: var(--text);
  box-shadow: 0 40px 100px rgba(0,0,0,.4);
  border: 1px solid rgba(201,169,106,.28);
}
.loading-box h4 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: .08em;
}
.loading-box p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.spinner {
  width: 46px;
  height: 46px;
  margin: 0 auto 18px;
  border-radius: 999px;
  border: 3px solid rgba(201,169,106,.22);
  border-top-color: var(--gold-3);
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Success */
.success-box { display: none; padding: 26px 16px 32px; background: linear-gradient(180deg, #fffaf0 0%, #f8eed4 100%); }
.success-card {
  padding: 32px 24px 28px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff, #fbf4e5);
  border: 1px solid var(--paper-line);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.success-logo {
  width: 68px;
  height: auto;
  margin: 0 auto 12px;
}
.success-brand-word {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--gold-3);
  margin-bottom: 20px;
  font-weight: 600;
}
.success-badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(24,140,88,.10);
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  margin-bottom: 14px;
  border: 1px solid rgba(24,140,88,.28);
}
.success-card h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .06em;
  color: var(--ink);
}
.success-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 14.5px;
}
.success-actions {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--paper-line);
  background: var(--white);
  color: var(--text-2);
  font-weight: 700;
  letter-spacing: .06em;
  transition: border-color .2s, color .2s;
}
.ghost-btn:hover { border-color: var(--gold); color: var(--gold-3); }

@media (min-width: 720px) {
  .form-body { padding: 30px 26px 32px; }
  .group { padding: 24px 22px 22px; }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .field.full { grid-column: 1 / -1; }
  .choice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .check-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mode-highlight { grid-template-columns: 1fr 1fr; }
  .success-actions { grid-template-columns: 1fr 1fr; }
  .contract-actions { grid-template-columns: 2fr 1fr; }
  .entrust-shell { padding: 76px 0 88px; }
}

/* ============================================================
   Process
   ============================================================ */
.process {
  background: var(--ink);
  color: var(--white);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.process::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(201,169,106,.18), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(201,169,106,.10), transparent 40%);
  pointer-events: none;
}
.process .section-head { position: relative; }
.process .section-title { color: var(--white); }
.process .section-lead { color: rgba(255,255,255,.7); }
.process-list {
  position: relative;
  max-width: var(--max);
  margin: 30px auto 0;
  padding: 0 var(--gutter);
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: pl;
}
.process-list li {
  padding: 22px 22px 20px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(201,169,106,.04));
  transition: border-color .3s, transform .3s;
  position: relative;
}
.process-list li:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}
.pl-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 10px;
}
.process-list h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: .06em;
  color: var(--white);
}
.process-list p {
  margin: 0;
  color: rgba(255,255,255,.72);
  font-size: 14px;
  line-height: 1.85;
}
@media (min-width: 720px) {
  .process { padding: 90px 0; }
  .process-list { grid-template-columns: repeat(4, 1fr); gap: 14px; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: #f4ecdc;
  padding: 60px 0 72px;
}
.contact-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: 32px;
}
.contact-lead .section-title { margin-bottom: 12px; }
.contact-lead p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  font-size: 15px;
  max-width: 40rem;
}
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.contact-card {
  padding: 22px 22px 20px;
  border-radius: var(--radius);
  background: var(--paper-2);
  border: 1px solid var(--paper-line);
  transition: border-color .2s, transform .2s;
}
.contact-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.cc-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--gold-3);
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.cc-value {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 4px;
  transition: color .2s;
}
.cc-value:hover { color: var(--gold-3); }
.cc-sub {
  color: var(--muted);
  font-size: 13.5px;
  letter-spacing: .04em;
}

@media (min-width: 720px) {
  .contact-inner { grid-template-columns: 1.1fr 1fr; align-items: center; }
  .contact-cards { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,.7);
  border-top: 1px solid var(--line-dark);
  position: relative;
}
.footer-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 52px var(--gutter) 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-mark { width: 46px; height: auto; }
.footer-word { display: flex; flex-direction: column; line-height: 1.15; }
.fw-zh {
  font-family: var(--serif);
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .18em;
}
.fw-en {
  color: var(--gold);
  font-size: 10px;
  letter-spacing: .32em;
  margin-top: 3px;
  font-weight: 600;
}
.footer-desc {
  margin: 0;
  line-height: 1.9;
  font-size: 14px;
  color: rgba(255,255,255,.62);
  max-width: 24rem;
}
.footer-col-title {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .24em;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  font-family: var(--mono);
}
.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-list li {
  font-size: 14px;
  color: rgba(255,255,255,.76);
}
.footer-list a {
  color: rgba(255,255,255,.76);
  transition: color .2s;
}
.footer-list a:hover { color: var(--gold-2); }
.fl-label {
  display: inline-block;
  min-width: 40px;
  color: var(--gold);
  font-weight: 700;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  margin-right: 10px;
}

.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px var(--gutter) 28px;
  border-top: 1px solid var(--line-dark-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: rgba(255,255,255,.5);
  font-size: 12.5px;
  letter-spacing: .06em;
}
.footer-legal { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-legal a { color: rgba(255,255,255,.62); }
.footer-legal a:hover { color: var(--gold-2); }

@media (min-width: 720px) {
  .footer-main { grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-top: 72px; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ============================================================
   Tax page
   ============================================================ */
.page-hero--slim .hero-inner { padding-bottom: 44px; }
@media (min-width: 720px) {
  .page-hero--slim .hero-inner { padding-bottom: 56px; }
}

.tax-tools {
  background: linear-gradient(180deg, #f8f0dd 0%, #f4ecdc 100%);
  padding: 56px 0 76px;
}
.tax-tools .section-head {
  max-width: var(--max);
  margin: 0 auto 28px;
  padding: 0 var(--gutter);
}
.tax-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.tax-card {
  position: relative;
  padding: 32px 26px 28px;
  background: var(--paper-2);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s, box-shadow .35s, border-color .35s;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tax-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60%; height: 3px;
  background: linear-gradient(90deg, var(--gold-2), transparent);
}
.tax-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -25px rgba(155,120,62,.35);
  border-color: rgba(201,169,106,.4);
}
.tax-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1c1712 0%, #0f0d0b 100%);
  color: var(--gold);
  border: 1px solid rgba(201,169,106,.3);
  box-shadow: 0 12px 26px -12px rgba(15,13,11,.45);
}
.tax-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold-3);
  font-weight: 700;
}
.tax-card h3 {
  margin: 0 0 -4px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink);
}
.tax-desc {
  margin: 0;
  color: var(--text-2);
  line-height: 1.9;
  font-size: 14.5px;
}
.tax-meta {
  list-style: none;
  padding: 14px 16px;
  margin: 0;
  background: linear-gradient(180deg, #fffcf3 0%, #f8eed4 100%);
  border: 1px solid var(--paper-line);
  border-radius: 16px;
  display: grid;
  gap: 8px;
}
.tax-meta li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.tm-label {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--gold-3);
  font-weight: 700;
  padding: 2px 8px;
  background: rgba(201,169,106,.14);
  border-radius: 6px;
  margin-top: 2px;
  white-space: nowrap;
  text-transform: uppercase;
}
.tax-meta li > span:last-child { color: var(--text-2); font-weight: 500; }

.tax-cta {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 14px 20px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--gold-2) 0%, var(--gold) 100%);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: .1em;
  font-size: 14.5px;
  box-shadow: 0 16px 34px -14px rgba(155,120,62,.45);
  transition: transform .2s, box-shadow .2s;
}
.tax-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -14px rgba(155,120,62,.6);
}
.tax-cta svg { transition: transform .25s; }
.tax-cta:hover svg { transform: translate(2px, -2px); }

.repair-cta-panel {
  max-width: var(--max);
  margin: 40px auto 0;
  padding: 34px var(--gutter);
  background: linear-gradient(180deg, #1c1712 0%, #0f0d0b 100%);
  border: 1px solid rgba(201,169,106,.3);
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -25px rgba(15,13,11,.55);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.repair-cta-text h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--white);
}
.repair-cta-text p {
  margin: 0;
  color: rgba(255,255,255,.7);
  font-size: 13.5px;
  line-height: 1.9;
  max-width: 44rem;
}
.repair-cta-btn {
  flex-shrink: 0;
  gap: 10px;
}
.repair-cta-btn svg { transition: transform .25s; }
.repair-cta-btn:hover svg { transform: translate(2px, -2px); }

@media (min-width: 860px) {
  .repair-cta-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 34px 40px;
  }
}

.tax-note {
  max-width: var(--max);
  margin: 44px auto 0;
  padding: 30px var(--gutter);
}
.tn-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .32em;
  color: var(--gold-3);
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.tax-note p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
  max-width: 46rem;
}
.tn-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-ghost--dark {
  background: var(--white);
  color: var(--text-2);
  border-color: var(--paper-line);
}
.btn-ghost--dark:hover { border-color: var(--gold); color: var(--gold-3); }

@media (min-width: 720px) {
  .tax-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .tax-card { padding: 40px 32px 34px; }
  .tax-tools { padding: 76px 0 96px; }
  .tax-note { padding: 40px var(--gutter) 20px; }
}

/* ============================================================
   Skip-hidden helper
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}